RCSD Index - 2005
- 84 Jan,
Decker, R., et.al.,
The 1983 World Champion & his sailplane are discussed w/ 3 view drawing. Continued on page 3
- 84 Jan,
Gray, Jim,
Introduction to Editor Jim Gray and RCSD
- 84 Jan,
Gray, Jim,
F3B - CIAM Report dealing with rules changes Australia is selected for 1985 competition
- 84 Jan,
Stokely, Herk,
Soartech #2 is available. Subjects listed Strength of Balsa, Lat. Dir. Stab, V-tails, Design, The System RC Sailplane
- 84 Jan,
Swenson, Ross,
"Metrik" kit is reviewed with modifications suggested
- 84 Jan,
Cheney, Bob,
A clothes dryer pulley (cast aluminum) is suggested for a Winch turn-around. Someone else suggested using a front bicycle wheel not just the axle.
- 84 Feb,
Costlow, Red,
To plots airfoil data, first plot 20" chord, photograph & print to size.
- 84 Feb,
Costlow, Red,
Aid the clearing of CA dispenser tip using Vaseline. Aids the removal of hardened CA on the outside.
- 84 Feb,
Gray, Jim,
The future direction of the hobby is speculated.
- 84 Feb,
Anderson, Roy,
A plan for a flat adjustable building board is shown and discussed.
- 84 Feb,
Carr Peter,
A description of preparation and execution of LSF Level 5 slope task given.
- 84 Feb,
Haycroft, George,
The construction of a Grob powered sailplane from various parts is given. Parts from several planes are used.
- 84 Feb,
Gray, Jim,
"Antares" sailplane by S. Christensen shown in 3 View and discussed. A Top Flight model
- 84 Feb,
Baron, Charles,
Methods for making stressed skin wings including shell designs
- 84 Feb,
Blakeslee, Byron, et.al.,
Design considerations for winch line turn-arounds are discussed.
- 84 Mar,
Sealy, Bob,
"Olympic 650" one design contest is described.
- 84 Mar,
Stokely, Herk,
The F3B program program is discussed.
- 84 Mar,
Granger, Ed,
A Novathon (odd min. peaks) triathalon scoring program is listed.
- 84 Mar,
LSF,
Thirty level V members are listed. Addrs: LSF Box 647, Mundelein, IL 60060
- 84 Mar,
Metze, Scott,
The airfoil shapes of 15 Jack Chambers airfoils are shown.
- 84 Mar,
Thermalist, The,
The strength of wing rods can be calculated from size and hardness.
- 84 Mar,
Gray, Jim,
Use welding connectors for quick disconnect safety feature.
- 84 Apr,
Gray, Jim,
Dodgson "Windsong" is shown in 3 view and discussed.
- 84 Apr,
Sealy, Bob,
Dodgson "Windsong" (Unl.) sailplane kit is reviewed.
- 84 Apr,
Bonnell Rich,
Ben Thomas electrostatic autopilot used by Bonnell and J. Gunsallas
- 84 Apr,
Walbank, Sean,
"Puffin" flying wing & "Gryphon" V-tail designs are described.
- 84 Apr,
Watt, Coulter,
The plans for a foam core stabilizer are illustrated.
- 84 Apr,
Abell, Bruce,
The construction of a foam core wing is discussed.
- 84 Apr,
Murray, Lee,
The design features for the "Dynasoar" X-Country sailplane are discussed.
- 84 May,
Gray, Jim,
Sean Walbank's "Zephros" HLG sailplane design shown in and discussed.
- 84 May,
Spear, Charlie,
Considerations for selecting a sailplane or sailplane kit
- 84 May,
Rosner, Kurt,
Letter commenting on electric and gas motor powered sailplanes
- 84 May,
Murray, Lee,
A three view of "Dynasoar" X-country discussed in April issue.
- 84 May,
Watt, Coulter, et.al.,
"Hauff Twist" wingeron control mechanism is shown.
- 84 May,
Nicks, O.W., et.al.,
Effect of Wing Tip Shape on Climb Performance of Gliders
- 84 May,
Dodgson, Bob,
The designer takes issue with published review of "Windsong".
- 84 Jun,
Gray, Jim,
"Samun" 3 view drawing
- 84 Jun,
Drury, Rick,
German & French aerodynamic terms translated
- 84 Jun,
MacKay, Robert,
Construction of molded foam parts are described using 2 part urethane foam
- 84 Jun,
Gutman, Meyer,
Flaperon linkage and hinges are illustrated suitable for F3B competition
- 84 Jun,
Simons, Martin,
Quarter scale "Kirby Kite"
- 84 Jun,
Abell, Bruce,
FG/Epoxy molding repair instructions are given
- 84 Jun,
Witt, Elbert et al.,
Warps are removed using hot towels
- 84 Jul,
Abell, Peter,
"Petre III" 2M sailplane is shown in 3 view and discussed at length
- 84 Jul,
Folkening, Dale,
Instructions on drawing the airfoil from coordinates
- 84 Jul,
Arana, Jerry,
Stop aileron flutter using a "U" shaped paper clip
- 84 Jul,
Johnson, Dave,
Instructions for ironing skins on foam wings
- 84 Jul,
Montreal S.C., The,
Instructions for designing winglets given
- 84 Jul,
Watt, Coulter,
A spar construction for foam wings illustrated
- 84 Jul,
Gray, Jim,
Ham radio network for Sailplaners at 4 p.m. EST on 21.407 MHz
- 84 Jul,
Abell, Bruce,
Correction to 6/84 article
- 84 Jul,
McQueen, Ian L.,
Various engines recommended for launching
- 84 Jul,
Granger, Ed,
Triathalon Scoring program for HP 15C calculator
- 84 Aug,
Willard, Kent,
"Bounty Hunter" F3B model drawing and design by Don Chancey
- 84 Aug,
Murray, Lee,
Light aluminum pushrods are described
- 84 Aug,
Lightfoot, John,
Pushrod ends are illustrated
- 84 Aug,
Drury, Rich,
German to English aerodynamic terms translated
- 84 Aug,
Searcy, Marshall,
Central Valley RCSC laurels highlighted
- 84 Aug,
Abell, Bruce,
Making plywood bulkheads for FG fuselages
- 84 Aug,
Watt, Coulter,
Layout of straight foam wing parts for multi-tasking ship
- 84 Aug,
Beckett, Tony,
Unusual method of using Obeeche wood for wing skins
- 84 Aug,
O'Leary, Stephen,
"Zephyros" hand launch glider wing options discussed
- 84 Aug,
Beckett, Tony,
Documentation of conditions producing excellent thermal activity
- 84 Aug,
Timberlake, Dan,
A x-country course layout is described.
- 84 Aug,
Abell, Bruce,
Improvements to Sagitta 900 and 600 are proposed
- 84 Aug,
Spackman, Glen,
Video cassette exchange proposed
- 84 Sep,
Gray, Jim,
DFS Meise "Olympia" full size is shown in 3 view drawing
- 84 Sep,
Fraser, David,
Airfoil plotting service is described.
- 84 Sep,
Blanchard, Woody,
E-211 compared to Quabeck airfoils by R. Eppler. E-212 recommended for normal flying
- 84 Sep,
Stokely, Herk,
Use up to 15 deg flaps for launches & thermalling. Reflex for fast flight.
- 84 Sep,
Broggini, Don,
Instructions on trimming sailplanes for best flight performance
- 84 Sep,
Troy, Jeff,
Use of friskit masking paper described for use in placing trim on Monokote.
- 84 Sep,
Bates, Ken; et al,
Applying Monokote for a show finish
- 84 Sep,
Thornburg, Dave,
Helpful techniques for thermal soaring are given.
- 84 Sep,
Sealy, Bob,
Vertical blade spoiler design is illustrated
- 84 Oct,
Clarke, John,
Fire Hawk multitask sailplane shown in three views.
- 84 Oct,
Gray, Jim,
84 NATS Soaring Event review and NSS's roll in it.
- 84 Oct,
Stokely, Herk,
Comments are made about the '84 F3B team selection finals.
- 84 Oct,
Siren, Jim,
Preparation for & use of automotive acrylic lacquer for finishing Instructions for sanding, priming, painting, and polishing
- 84 Oct,
Gray, Jim,
Features of Scott's Models Tempest are discussed.
- 84 Oct,
Murray, Lee,
A simple design for a winch is illustrated.
- 84 Oct,
Edberg, Don,
Quantum 83 sailplane is shown in 3 views with some details.
- 84 Oct,
Johnson, Dave,
Good advice is given for landing sailplanes in contests. Fly close to self at 30 sec; go out & turn for landing; count up by 5 s.
- 84 Nov,
Gray, Jim,
2 Horten's Wings shown in 3 view
- 84 Nov,
Adams, Chris,
A carbon fiber fin post design for "T" tails is illustrated
- 84 Nov,
Champine, Bob,
"Gemini" by Ed Slobod is recommended
- 84 Nov,
Trim, John,
A one meter RC Glider class proposed as a challenge
- 84 Nov,
DeNoble, Ray,
A method is shown for producing sharp trailing edges with less work
- 84 Nov,
Shaw, Stan,
A strategy for finding thermals at contests is given
- 84 Nov,
Watt, Coulter,
Scarf joints for good strength are illustrated
- 84 Nov,
Bonnell, Rich,
'84 Florida X-Country Invitational results
- 84 Nov,
Murphy, Jeff,
CG position, horiz. tail volume coeff. defined & related to stability
- 84 Nov,
Caso, Rob,
A micro balloon/epoxy mixture fills balsa grain giving smooth surface
- 84 Dec,
Champine, Bob,
"Red Bird" 4 meter sailplane 3-view design & const. details given
- 84 Dec,
Benson, John,
72" Tempest sailplane reviewed
- 84 Dec,
Gray, Jim,
Airborne (tele) metering systems. List of people developing. Micro videos
- 84 Dec,
Gray, Jim,
List of sources given
- 84 Dec,
Anderson, Chuck,
Features of C-64 dot matrix printer airfoil plotting program listed
- 84 Dec,
Troy, Jeff,
Instructions on fiberglassing an airframe
- 84 Dec,
Mid-Pacific Soaring Society,
Method of using CA to join foam parts
- 84 Dec,
Gray, Jim,
List of RCSD subscribers
- ,
Walbank, Sean,
"Phase 6" kit is reviewed, 60" WS sheeted foam cores, E205, 10 Oz.
- 85 Jan,
Cook, Bob,
"Wizard" slope ship is illustrated in 3 view and discussed
- 85 Jan,
Troy, Jeff,
A spoiler return system is shown and discussed
- 85 Jan,
Troy, Jeff,
Comments on '84 Nats and thoughts on upcoming '85 Nats
- 85 Jan,
Tyrie, Jim,
An Aluminum plate wing joiner & hold down mechanism is illustrated. Mechanism directly couples wing & tow hook.
- 85 Jan,
Webb, Kevin,
'85 Western U. S. Soaring Championship announced
- 85 Jan,
Fraser, David,
Article on trimming and finding thermals
- 85 Jan,
Watt, Coulter,
Fuselage jig is illustrated and described
- 85 Jan,
Gillburg, George,
Comments of variety of subjects
- 85 Jan,
Typod, Don,
Comments on the Nov '84 article on trimming
- 85 Jan,
Mackey, Bob,
Wingeron sailplanes commented on. Spacer, Xingu, Xingu 100 & Xica
- 85 Feb,
Gray, Jim,
"Flipper" HLG is shown in 3-view & kit is evaluated
- 85 Feb,
Marsden, Eric,
Making notches for stringers in bulkheads w/o damaging wood
- 85 Feb,
Lupperger, John,
Guidelines for building & flying hand launch gliders
- 85 Feb,
Webb, Neil,
Rules for contests proposed
- 85 Feb,
Murray, Lee,
Selig's S3010 airfoil plots shown
- 85 Feb,
Gray, Jim,
A partial list of models being marketed is given
- 85 Feb,
Moskal, Steve,
A bibliography of reference materials on scale sailplanes
- 85 Feb,
Knight, Gerry,
A review of the 1/4 scale ASK-18 with photos
- 85 Mar,
Rondeau, Bob,
Hybrid "Saquila" built from mixed parts, 3 view drawing shown
- 85 Mar,
Gray, Jim,
Carl Goldberg dies leaving legacy of contributions
- 86 Mar,
Smiley, Clark,
Instructions on using glass cloth to strengthen improve appearance of fuse.
- 85 Mar,
Stokely, Herk,
Herk provides theoretical basis for Nov 84 article on trimming
- 86 Mar,
Fritz, Mike,
Using Monokote (bottom) and Coverite (top) gave exceptionally low sink rate Test performed on Sagitta 600
- 85 Mar,
Chernoff, Max,
The Neutral Point is predicted from other more identifiable parameters
- 85 Mar,
Lightfoot, John,
Compare trim with normal and inverted flight for best CG position
- 85 Mar,
Brock, Jim,
Wingeron sweep changes not a problem based on >38 hrs. of flight. Servo torque may be a problem at high speed.
- 85 Mar,
Stuhr, Ken,
Wingeron sweep change with rotation is not a problem based on tests
- 85 Mar,
Holley, Dwight,
A design for top and bottom air brakes are illustrated by Coulter Watt
- 85 Mar,
Benson, John,
J.'s experience in flying marginal slope lift with sundry models is shared
- 85 Apr,
Pfefferkorn, Dieter,
Three view drawing of "Tele-F" model flown by R. Decker is shown
- 85 Apr,
Walbank, Sean,
Three concepts of variable wing geometry are discussed. The three are: Oblique, Fowler wing, and Telescoping
- 85 Apr,
Lennon, Andy,
Aerodynamics of pitch stability are explained clearly
- 85 Apr,
Larsen, Orla,
18% more efficiency noted with an NACA airfoil on a wind generator
- 85 Apr,
Moore, Bud,
A bridle design sent in & discussed (not shown)
- 85 Apr,
Holland, Mike,
The location of good sites for 4 and 8 hr. LSF tasks discussed Phone (602) 337-2907 or (602) 282-1290
- 85 Apr,
Deck, Jim,
Ideas for a "pick your max time" contest
- 85 Apr,
Dietrich, Jack,
Aspect ratio discussed. Low A/R useful in wind & for small sailplanes
- 85 Apr,
Gray, Jim,
'85 WRAM show coverage
- 85 Apr,
Cheney, Bob,
Diagram, photos & description of controlled torque winch "Dagwood" Design by Murray Douglas
- 85 Apr,
Champine, Bob,
A chute pattern for winch is shown, instructions given
- 85 May,
Martin, Bob,
"Pussycat" 2M sailplane shown in 3-view
- 85 May,
Savage, Gerry,
Rechargeable lithium cells will offer higher power to weight efficiencies.
- 85 May,
Moore, Bud,
Diagram of towing bridle discussed in April issue
- 85 May,
Riggle, Jim,
Landing into a safety net is proposed to eliminate landing damage.
- 85 May,
Landreth, Dean,
Glendura, Ca. ridge site of LSF slope achievements & records. 714-629-8001
- 85 May,
Kahn, Raja,
Despite higher RN low aspect wings have lower performance.
- 85 May,
Decker, Jack,
The performance of low aspect ratio HLG sailplane is discussed. Plan is shown on page 8
- 85 May,
Carr, Peter,
Dwight Holley "Gobbler" is evaluated. Flight evaluation & kit modification
- 85 May,
Chernoff, Max,
Wing failures, causes and solutions discussed
- 85 May,
Murray, Lee,
A method of testing Nicad batteries is discussed
- 85 May,
Sawyer, Ty,
A simple way to hold wings against fuselage & remove them easily is shown.
- 85 May,
Rondeau, Bob,
Making clear canopy from balsa plug. Latch ideas also given
- 85 Jun,
Cook, Bob,
"Zinger" Hand Launch Glider discussed & shown in 3-view
- 85 Jun,
Holland, Chuck,
Extending the Oly II Std. class sailplane to 119" produces great perform.
- 85 Jun,
Schug, Peter,
A computer program w/artificial intelligence is theorized for automatic control w/specific tasks in mind.
- 85 Jun,
Bame, Mike,
Making wing cut-outs on round FG fuselages is shown
- 85 Jun,
Watson, Stan,
Points to consider when creating designs or modifications are given.
- 85 Jun,
Rondeau, Bob,
Flap/elevator & aileron/rudder mixing schemes are illustrated as used with Dodgson sailplanes.
- 85 Jun,
Champine, Bob,
Comments of Dodgson's "Camano"
- 85 Jun,
Champine, Bob,
Winch features: knife switch (safety), launch chute (RCSD), mounted foot switch & others. Photos
- 85 Jun,
Wright, Nic,
Summary of hill types & sailplane performance given
- 85 Jun,
Barry, Pat,
Linear motion transfer device overlooked as effective control device
- 85 Jul,
Marske, Jim,
"Monarch 'C'" sailplane shown in 3-view with specifications
- 85 Jul,
Custer, Wayne,
Preparing prefinished FG skins & applying them to foam cores
- 85 Jul,
Ferris, Jeff,
"Antares" Std. class sailplane evaluated. Fuselage strengthening recommended.
- 85 Jul,
DeNoble, Ray,
Method is shown for mounting monokote hinges
- 85 Jul,
Gray, Jim,
List of 34 Level V pilots shown
- 85 Jul,
Harden, Kale,
Summary of '83 World Championships held in York, England
- 85 Jul,
Champine, Bob,
Low cost turn-around of excellent design is illustrated & discussed
- 85 Jul,
Parsons, Dan,
Box oven for faster curing of epoxy resins is illustrated.
- 85 Aug,
Smiley, Clark & Jim Tyrie,
"Puffin" 2M sailplane is shown in 3-view and discussed.
- 85 Aug,
Cash, Jack,
A canopy hold down device is illustrated.
- 85 Aug,
Bonnell, Rich,
"No skid landings" achieved using inexpensive parts
- 85 Aug,
Simons, Martin,
Clark Y & E-211 compared; Girsberger & E-180 compared
- 85 Aug,
Chernoff, Max,
Aileron displacement angle as fctn. of aileron control horn length.
- 85 Aug,
Simmonds, Ken,
Ideas for strengthening wood fuselages are given.
- 85 Aug,
Murray, Lee,
An inexpensive method of testing nicads is proposed.
- 85 Aug,
O'Leary, Stephen,
Disagrees w/ Chernoff regarding flutter & divergent bending of model wings
- 85 Aug,
Sawyer, Ty,
"Alure" 2M sailplane mods are proposed to improve stability & performance
- 85 Sep,
Rondeau, Bob,
Dodgson's "Pivot" 60" sailplane shown in 3-view & discussed
- 85 Sep,
Tyrie, Jim,
Tips are given on making various construction guides. T.E. holes, aileron p/r exits, T/E sanding block & coupled spoilers/flaps
- 85 Sep,
Sawyer, Ty,
Kodak disk camera photos on '85 Nats site
- 85 Sep,
Gray, Jim,
Standings for thermal soaring at '85 Nats & comments
- 85 Sep,
Benson, John,
Flaps on slope gliders; comp. of slopes on bodies of water & inland slopes
- 85 Oct,
Rondeau, Bob,
"BLP" 2M sailplane shown in 3-view & discussion (p. 16)
- 85 Oct,
Murray, Lee,
Airtronics "Cumic" Std. class sailplane design & construction reviewed
- 85 Oct,
Bodul, Mirko,
List of slope ships seen in France
- 85 Oct,
Gunn, Ian,
Postal soaring contest proposed. Securing public land for flying sites
- 85 Oct,
Custer, Wayne,
Bonding skins to foam cores using epoxy applied in a pattern
- 85 Oct,
Abell, Bruce,
Discussion & photos of "Windjammer" original 2M electric
- 85 Oct,
Hampson, Craig,
"Rine/Oxford" 2M sailplane w/ option of English or German features
- 85 Nov,
Sawyer, Ty,
Jolly's "Flinger" HLG sailplane. 3-view and kit evaluation
- 85 Nov,
Gray, Jim,
Postal costs & problems with sending publications abroad
- 85 Nov,
Abell, Bruce,
LB-3 Airfoil discussed
- 85 Nov,
Martin, Bob,
Std. class version of "Pussycat" to be produced
- 85 Nov,
Gray, Jim,
Workbench from Workshop Concepts evaluated
- 85 Nov,
Raymond, Ron,
One time vinyl spackling found to be excellent filler
- 85 Nov,
Gray, Jim,
New fence type super spoilers from R/C Design & Dev. are announced.
- 85 Nov,
Currington, Ernest,
Eval. of theoretical perf. shows larger-lower loaded plane is prob. best
- 85 Dec,
Rondeau, Bob,
Helmut Lelke's "Heidi" electrostatically autopiloted 2M sailplane Interview w/Helmut
- 85 Dec,
Hampton, Craig,
Photo of "Oxford" 2M sailplane covered in V2, #10, p. 14
- 85 Dec,
Gracey, Bob,
"El Primero" HLG & "Stepp Two" 2M sailplane evaluated
- 85 Dec,
Abell, Bruce,
Important considerations for trailing edges
- 85 Dec,
Smith, J. Lee,
The Aerotow launch method is discussed (see V3, #3, p. 7)
- 85 Dec,
Sawyer, Ty,
A charging jack & method of turning on radio is illustrated.
- 85 Dec,
Rondeau, Bob,
"BLP" design is discussed in more detail (see V2, #10, p.0 & 16)
- 85 Dec,
Adams, Chris,
Multiple mixing in ship using an Ace transmitter w/modifications
- 85 Oct,
McLeod, Dan,
Winter flying notes
- 86 Jan,
Gray, Jim,
"Samun" Unl. class sailplane shown in 3-view & discussed (p. 7)
- 86 Jan,
Harden, Kale,
Results of International Postal Contest
- 86 Jan,
Currington, Ernest,
Flying at a speed greater than for minimum sink avoids probable stalls
- 86 Jan,
Metcalf, Howard,
Jet models appear on slopes of England. Specs of F-4
- 86 Jan,
Gray, Jim,
Hi Johnson business now with Superwings & Viking Models
- 86 Jan,
Carter, Ron,
"Touche'" Slope Soarer design is shown & discussed
- 86 Jan,
White, Clyde,
More on "Cumic" Sailplane construction
- 86 Jan,
Rondeau, Bob,
Continuation of "Heidi" article (V2, #12). Covers wing construction.
- 86 Jan,
Hallett, Richard,
Knots for winch lines & other uses
- 86 Jan,
Sawyer, Ty,
A recessed tow hook is illustrated
- 86 Feb,
Bird, Phil & Lowe, Al,
"LB-3" shown in 3-view drawing
- 86 Feb,
Gray, Jim,
Instructions for using RCSD decals
- 86 Feb,
Lober, Carl,
A unique towhook release action using flaps on "Antares"
- 86 Feb,
Jackson, Eric,
"Pteron" 2M sailplane plans & instructions available.
- 86 Feb,
Currington, Ernest,
Cures for wobble in H. stab. When cutting tapered parts, cut largest first. When you mis-cut a part it will work for a smaller part in the series.
- 86 Feb,
Beckett, Tony,
Further specifications for jack used w/Ty Sawyer's system (V2, #12)
- 86 Feb,
O'Brien, Oz,
Lithium batteries are volatile during charging. More info. needed.
- 86 Feb,
Spear, Charlie,
Article on converting the Davey "Prophet 941" to electric w/excel. results.
- 86 Feb,
Currington, Ernest,
120# test Kevlar line is 1/2 the diameter of 80# test nylon line.
- 86 Feb,
Lober, Carl,
1800'+ slope & contest in Cumberland, MD. For more info. contact Don Clark P.O. Box 117, Kensington, Md.
- 86 Feb,
Rondeau, Bob,
"BLP" modifications w/polyhedral wing (2M)
- 86 Feb,
Beckett, Tony,
Interglide '86 planned for Swalecliffe near Whitstable, Kent, England
- 86 Mar,
Gray, Jim,
"Hy-Bird" Sailplane shown in 3-view & discussed
- 86 Mar,
Fraser, David,
Comparison of Eppler 205 with NACA 2512
- 86 Mar,
Rondeau, Bob,
A combination fuselage holder & balancing stand is illustrated
- 86 Mar,
Abell, Bruce,
Bulkhead positioning in FG fuse. shown & discussed. Towhook design shown.
- 86 Mar,
Smith, J. Lee,
How to use the help of a power flier in aerotow launching
- 86 Mar,
Scidmore, Al,
Summary of '85 National Sailplane Symposium
- 86 Mar,
Slobod, Ed,
SFVSF postal x-country competition announced
- 86 Mar,
Currington, Ernest,
Sources of drag discussed
- 86 Mar,
Benson, John,
Slope flying the "Pivot" by Dodgson Designs
- 86 Mar,
Rondeau, Bob,
A double hinged rudder design used on BLP 2M design.
- 86 Apr,
Parker, Eric,
"Super Metisse" UNL Sailplane shown in 3-view & discussed
- 86 Apr,
Gray, Jim,
Projections for '86
- 86 Apr,
Tinker, Neil,
How to plot airfoil coordinates w/accuracy. Also comments on F3B.
- 86 Apr,
Breunig, Cal,
Sauk City, Wi. club calls for members.
- 86 Apr,
Webb, Kevin,
Announcing the '86 western US R/C Soaring championships
- 86 Apr,
Simons, Martin,
Super light "Martindale" HLG discussed
- 86 Apr,
Thomas, Ben,
Electrostatic pilot system options discussed
- 86 Apr,
Lightfoot, John,
1st International X-Country race results w/photos.
- 86 Apr,
Abell, Bruce,
General rules proposed for this specific (2M) class
- 86 Apr,
Reed, Mike,
Selig 54233-13G-84 compared to Clark Y
- 86 Apr,
Sawyer, Ty, et.al.,
3 illustrations of gapless hinges
- 86 Apr,
Fraser, David,
Part 1 of 2 on stability & tuck
- 86 May,
Cotton, Fred,
Pagliano's "Allure 79" F3B sailplane is shown in 3-view & discussed
- 86 May,
Gray, Jim,
AMA insurance changes
- 86 May,
Simons, Martin,
Issue taken w/induced drag formula (V3, #3, p. 14)
- 86 May,
Duino, John,
Selecting spars for wings
- 86 May,
Murray, Lee,
High start rubber examined for force vs. stretch after release
- 86 May,
Murray, Lee,
New program for flying wings announced.
- 86 May,
Lightfoot, John,
1st International X-Country Race, Pt. 2
- 86 May,
Fraser, David,
Pt. 2 of stability & sailplane tuck
- 86 May,
Beckett, Catherine,
Poem
- 86 May,
Dees, Gene,
Skip Schow becomes president of LSF
- 86 May,
Metcalf, Howard,
F4 Phantom power scale model discussed
- 86 May,
Gray, Jim,
RCSD book on thermal soaring announced
- 86 Jun,
Benson, John,
"Shark" low-slope aerobatic sailplane is shown in 3-views and discussed, p6.
- 86 Jun,
Riggle, Jim,
References are given for making a wind speed indicator.
- 86 Jun,
Carr, Pete,
- 86 Jun,
Marsden, Eric,
Fine tip pens are available for making scale markings on models.
- 86 Jun,
Blanchard, Stewart,
Extensive instructions for the construction of foam core wings
- 86 Jun,
Miller, Dick,
Comments on Aerotowing gives a summary of important factors for launching with a power plane.
- 86 Jun,
Gray, Jim,
E211 and HQ 1.5/9 airfoils are recommended for stated purposes.
- 86 Jun,
Gray, Jim,
A photo-contest is announced with winners shown in RCSD in Dec, '86 issue
- 86 Jun,
Sawyer, Ty, et.al.,
Nor-Ray foam wing cutter is evaluated and modifications are recommended.
- 86 Jun,
Gray, Jim,
Two new sailplanes unlimited sailplanes are announced from Metcalf Models
- 86 Jun,
Keyes, Charlie,
Construction and finishing recommendations are given White paint and the use of a UV absorber are listed.
- 86 Jul,
Sawyer, Ty,
Control scheme for aileron & flap servos controling flaperons & winglet Winglet rudder is coupled to flaperon
- 86 Jul,
Finch, Harry,
H. Metcalfe Models Phantom F4 Slope Glider is reviewed Construction is foam, obeeche sheeted
- 86 Jul,
Eberbach, Dieter,
Experiences of flying at high altitude in S. Africa. Several sailplanes mentioned in article.
- 86 Jul,
Boulouse, Elliott,
Town board of Morgantown, Pa. puts Elliot out of the building business. Complaint states that he conducts business in residential area.
- 86 Jul,
Houk, David,
Recommendations for two vendors. Futaba S133 back ordered 6 months. Lee Murray (laser cut airfoils and software) and Ron Carter (spoilers)
- 86 Jul,
Carr, Peter,
Pen pall for Lin Houng-Wen of Republic of China is requested
- 86 Jul,
Abell, Bruce,
Corrections to proposed Australian 2-M contest rules & new airfoil descr.
- 86 Jul,
Gale, Ferdinando,
Fuselages are too long. 3 M.A.C. is sufficient. Crocco's method used.
- 86 Jul,
Sasson, Jack,
Death of a New Sagitta or the Written Word as Paychotherapy
- 86 Aug,
S.O.A.R.,
Dan Pruss passes away leaving legacy of achievements and model to follow.
- 86 Aug,
Maynard Hill,
A description of how electrostatic autopilots achieve level flight
- 86 Aug,
Gray, Jim,
Comments on the flying Bob Dodgson's "Windsong" kit with autopilot.
- 86 Aug,
Jackson, Eric,
"Windsong" modifications for a stronger wing are recommended.
- 86 Aug,
Andrew, David,
A balsa stripper design is shown in good detail.
- 86 Aug,
Gracey, Bob, et.al.,
"Prophet" 2M sailplane kit and flight performance is discussed.
- 86 Sep,
Gray, Jim,
NATS winners, 1st to 5th, are listed for 1986. Winning sailplanes listed Paul Carlson with 100" Prodigy is shown on cover.
- 86 Sep,
Murray, Lee,
"Prodigy" 2M sailplane kit is reviewed with construction notes. Kit is by Off the Ground Models. Designer is Paul Carlson.
- 86 Sep,
Moss, Steve,
"Prodigy" 2M sailplane by Paul Carlson - Off the Ground Models is reviewed. Off The Ground Models, Inc. 606C W. Anthony Dr., Urbana IL 61801
- 86 Sep,
Gressman, Tom,
Comments are made about the winning sailplanes at the 86 NATS Prodigy-Carlson, Skyjack-Hamilton, Scooter-Kincaid
- 86 Sep,
Pentland, Geoff,
Photos of vintage sailplane models are shown. Book on subject announced. Kookaburra Technical Publications Pty Ltd.
- 86 Sep,
Metcalf, Clive & Howard,
Additional comments and price of Phantom scale model (see July 86 RCSD). F.W. TA-152 is also mentioned
- 86 Sep,
Morton, Jeff,
Features of "Accipiter CCT" 2M design with tipperons & flaps are discussed.
- 86 Sep,
Rondeau, Bob,
"BLP" design by Rondeau is flight tested and extensive comments given.
- 86 Sep,
Jorrey, F.F.,
An airfoil plotting guide is shown for plotting airfoils.
- 86 Oct,
Gray, Jim,
Schweizer Aircraft Corp. 2-33 Sailplane shown in three view
- 86 Oct,
Richardson, Pete,
Pete describes his interest and experience with R/C soaring and aeronautics. Pete is a mechanical/composite enngineer at McDonnell Helicopter Co.
- 86 Oct,
Gray, Jim,
86 AMA Soaring NATS award winners are listed
- 86 Oct,
Stoops, Matt,
Construction of the "Poquito Primero" by Buzz Waltz R/C Designs is covered. Article is brief.
- 86 Oct,
Mohs, Carl,
Agenda for the 3rd. Annual National Sailplane Symposium is listed. Madison Area Radio Control Society is the sponsor.
- 86 Oct,
Murray, Lee,
Information on using Kevlar is offered by Dupont. Address given.
- 86 Oct,
Morris, Pancho,
The use of a "Low Start" is described for launching HLG sailplanes
- 86 Oct,
Rondeau,
An adjustable tow hook design is illustrated which is more aerodynamic. Nothing made to date is mentioned.
- 86 Oct,
Abell, Bruce,
Coordinates for a B.A. 24 airfoil are given. Airfoil has been tested.
- 86 Oct,
Watson, Stan,
H. strength wing blades of spring steel are described and offered for sale.
- 86 Oct,
Crowley, Dick,
Valuable general instructions on building your first sailplane are given.
- 86 Oct,
Buzzard, The Old,
Instructions on doing simple aerobatics are given in humorous article.
- 86 Oct,
Chernoff, Max,
Max proposes that tail moments are too short for good pitch stability.
- 86 Oct,
Anderson, Chuck,
The use of "Z" bend pushrods and keepers is recommended for tight control.
- 86 Nov,
Kincaid, Leon,
"Scooter" unl. sailplane which won Unl Class and Hi Johnson Trophy is shown.
- 86 Nov,
Rondeau, Bob,
Bob tells of his experience in flying a Schweizer 2-33 for the first time.
- 86 Nov,
Olsen, Ozzie,
A good source of Sitka spruce is Posey Mfg. Co. .25" x 60"+ available P.O. Box 418, Hoquiam, WA 98550
- 86 Nov,
Gray, Jim,
Superwings out of business, Aerospace Composite Prod. has new address. Dept. "S" P.O. Box 16621, Irvine, CA 92714
- 86 Nov,
Gray, Jim,
"Accipiter CCT" tipperon-controlled sailplane kit ARF is introduced. See Calif. Soaring Products add on page 1.
- 86 Nov,
Murray, Lee,
RCSD data base is announced and published in part as a hard copy. Continuing updates available.
- 86 Nov,
Gray, Jim,
A new building board of light construction is easy to use and store Country Hobby Supplies, RR#1, Dundas, Ontario, Canada L9H 5E1
- 86 Nov,
Finch, Harry,
Polycarbonate (Lexan) is used for sheeting foam cores instead of balsa. Available w/ one shiny side and one dull side. 10 mils see plast. suply.
- 86 Nov,
Slates, Jerry,
Jerry requests information about sites for use of others in his catalog.
- 86 Nov,
Murray, Lee,
Servo with cam is mounted on Kodak pocket camera two sided tape. #64 rubber bands hold camera on side of any model for aerial photography.
- 86 Nov,
Jackson, Eric,
Flight performance of "Sunrise 66" is rated very high by Eric. 66.75" span 443 sq. inches. 11-13 oz. Cost is $34. Kit by Performance Designs
- 86 Nov,
Cherry, H.H.,
Plans and airfoil coordinates are available. Other information given. Ed. adds comments about about H.H. and flying wings.
- 86 Nov,
Currington, E & Sarskas, S,
A few ideas on how to rig switches for operation from outside fuse. String is used to pull switch to either position.
- 86 Nov,
Wagner, Gary,
Custom 2M design with concentric hinges at all hinge lines.
- 86 Nov,
Lightfoot, John,
Wing spars were made with F/G epoxy w/o balsa or spruce for most of span. Design was for XC purposes. Wing was strong and survived crash.
- 86 Dec,
Dvorak, John,
Brad Smith's Aermacchi scale jet slope soarer is shown in winning photo.
- 86 Dec,
Eberbach, Dieter,
News about flying sailplanes in South Africa. Dieter's address is 49 Highveld Rd., Kempton Park 1620, South Africa
- 86 Dec,
Dodgson, Bob,
New Address for Dodgson Designs: 21230 Damson Rd., Bothell, WA 98021
- 86 Dec,
Porter, Jim,
Jim responds to Ty Sawyer's idea using a plug/jack for On/Off & Chg. funct. Radio Shack part #274-1656 jack & 274-1567 plug specified.
- 86 Dec,
Jackson, Eric,
Eric says what's going on in Portland WA, Petron aileron ship is shown. Eric also talks about WA state X-country contest and other things
- 86 Dec,
Troy, Jeff,
Jeff discusses experience on being part of the MARCS Sailplane Symposium.
- 86 Dec,
Typond, Don,
Details of launching on top of a power plane are given & shown in photos.
- 86 Dec,
Abell, Bruce,
Tail moments and their importance are discussed in some detail.
- 86 Dec,
O'Brein, Ozzie,
Fabric for wing coverings is discussed with problems & benefits highlighted
- 86 Dec,
Banks, Gordon,
A new R/C magazine "R/C Report" is introduced. P.O. Box 1706, Huntsville, AL 35807 Ph: 205-539-3031
- 86 Dec,
Murray, et. al.,
Highlights of the USA F3B Team Selection Finals shown in photos & discussed Finishers: Steve Work, Rich Spicer, Steve Lewis, Larry Jolly (alternate)
- 86 Dec,
Champine, Bob,
Winch design is discussed along with line specs. Spars & T.E mods are shown Training edges of spruce & plastic, Cap spar:.0625"spruce/CF/.0625"spruce
- 86 Dec,
Gray, Jim,
Pushrod exit fairings are made with FG layups on balsa plug
- 86 Dec,
Murray, Lee,
Sources from RCSD are listed by alphabetically by key words Data base is available
- 86 Dec,
GDS&HS,
Hawk, Falcon & Accipiter silhouettes are shown
- 86 Dec,
Rondeau, Bob,
The design of a good balsa & spruce wing is illustrated
- 87 Jan,
Kincaid, Leon,
Leon's Mini-Scoot HLG design is shown and discussed
- 87 Jan,
Haley, W & S,
"Silver Ghost IV" winner of British Nats is shown in 2 views and discussed. 100" version wins '86 Radioglide contest.
- 87 Jan,
Murray, Lee,
M.A.R.C.S. 1986 Soaring Symposium is highlighted. Some details shared. Symposium Proceedings will be available from the MARCS club.
- 87 Jan,
Pettigrew, Bill,
Airtronics "Cumic" is reviewed and flight performance evaluated. Five ideas for weight reduction are offered.
- 87 Jan,
Jackson, Eric,
"Sunrise 66" kit is reviewed and a glowing report of performance is given. Good comments about flying technique are given.
- 87 Jan,
Teseo, Robert,
Author describes a low odor way to apply F/G epoxy to a fuselage in 1.5 Hr. Use Robart 007 spray attach cloth. Brush thinned epoxy. Apply epoxy filler.
- 87 Jan,
Smith, J. Lee,
Author has 1.5 hr. video on aero-towing & distributes for Sailpl. Internat. $12 VHS or Beta tape Phone (204) 663-3787 15 Ravenhill Rd Winnipeg R2K 3K4
- 87 Jan,
Sawyer, Ty,
A clean design for T-tail is illustrated and described using ball joint. Looks ideal for foam/balsa construction.
- 87 Jan,
Champine, Bob,
A "Stretched Gemini" is described with S4233 airfoil having low sink rate. Other modifications are described and illustrated.
- 87 Jan,
Murray, Lee,
The RCSD Data Base of REFERENCES and SOURCES is offered for Appleworks. Other databases programs may be used if obtained through modems.
- 87 Jan,
Currington, E.G.,
A humorous description of a very simple design is given.
- 87 Jan,
Hallett, Rick,
A low cost simple winch design is given. A coat-hanger resister is shown. Use of monofilament beyond the wind-in section. Pulley flanges used - drum
- 87 Jan,
Gray, Jim,
Back issue availability is laid out for RCSD in first 3 years.
- 87 Feb,
Gray, Jim,
Jim's experience in becoming sensitized to building materials is discussed. The use of good ventilation and other preventative measures are recommended
- 87 Feb,
Riggle, Jim,
Photos of PASS slope soaring activities in Pacific N.W.
- 87 Feb,
DeMattei, Bob,
The 21st Annual International Slope Race is announced for May 2 & 3. Davenport California Site, Phone: 408-732-3009 home or 415-723-2950 work
- 87 Feb,
Moore, E.B.,
Results of "Tangerine" sailplane contest are listed. Contest is held right after Thanksgiving in Florida.
- 87 Feb,
Kincaid, Leon,
Leon gives his design considerations for a hand launched glider.
- 87 Feb,
Edmonds, R.J. (Dick),
The Selig 3021 is evaluated with Algebra 2.5 M design w/ excellent results. Ideal airfoil for thermal sailplanes with low wing loadings
- 87 Feb,
Gray, Jim,
The "Accipiter CCT" 2M sailplane kit is reviewed by Jim. Construction comments only. Flight performance will come later.
- 87 Feb,
Holland, Chuck,
Complaint is made that AMA doesn't give appropriate attention to soaring.
- 87 Feb,
Gray, Jim,
A scale autotowing launch is proposed for development using an RC Car.
- 87 Feb,
Gray, Jim,
Jim makes one good sailplane form two wrecks and the result is excellent. Hy-Bird II is born.
- 87 Feb,
Abell, Bruce,
Photo's of Bruce's designs are shown. Scimitar, Windbreaker, Windsong
- 87 Mar,
Gray, Jim,
Jim outlines efforts to promote scale competitions and activities SOAR club is active in the development of scale
- 87 Mar,
Charlesworth, Cliff,
Scale Soaring activities at White Sheet Radio Flying Club Information on ASK13, Grunau Baby 26, Ka-3, Hunter 17, & LO-100
- 87 Mar,
Moskal, Steve,
The Schweizer I-26 history given. Reason's for its scale model also given. Colors and insignia placement are given
- 87 Mar,
Eisenbeiss, Duane,
LK-10A documentation is given
- 87 Mar,
Hiner, Jack,
Jack tells of his construction of the LK-10 scale sailplane. Slide docummentaton of N58085 from Duane Eisenbeiss.
- 87 Mar,
Gray, Jim,
Bop Cartwright and his Capstan T-49b sailplane model are shown & discussed Model was flown in 76 NATS
- 87 Mar,
Watkins, John G.,
1/4 Scale Kirby Kite, Avai 40P and AS-K13 are shown. Construction Features are given for the Kirby Kite model.
- 87 Mar,
Gray, Jim,
The World's Vintage Sailplanes 1908-45 by Kookaburra Technical Publns. Ltd. P.O. Box 648, Dondenong 3175, Victoria, Australia. $72 Australian ($48 US)
- 87 Mar,
Gray, Jim,
Modell Bauplane Catalog 1987-88 by Flug + Modell Technik Postfach 1128, 7570 Baden-Baden, W. Germany Price: 9DM ($4.50 US)
- 87 Mar,
Gray, Jim,
Aliante-Sailplanes by F. Gale, Via Marconi 10, 28042 Baveno NO, Italy Reference book of sailplanes with specifications for 24 sailplanes
- 87 Mar,
SOAR,
The SOAR Scale Uprising to be held Aug 1 & 2, 1987 CD J Slater & S Moskal 30 S. Kensington Ave, Lagrange IL 60525
- 87 Apr,
Williams, Dave,
Synergy II is shown in 3 views and technical data given in text 3 of four on US team are using Syneryg IIs
- 87 Apr,
Williams, Dave,
News of the World F3b Championship U.S. Soaring Team Mark Allen and Steve Work are working with Selig on new airfoil.
- 87 Apr,
Gray, Jim,
Canadian NATS 7-22&24, 87 Dash for Cash (Ontario) 7-16&17 *FAI License* F3H coming of age and was dream of Dan Pruss
- 87 Apr,
Weirich, Mike,
Photos and communications from Elkhart IN
- 87 Apr,
Thomas, John,
E. Iowa Soaring Society put on the 3rd. Building & Soaring Seminar. Speakers: G. Frank, P. Carlson, T. Edmonds, E. Haris, P. Waters
- 87 Apr,
Ayotte, Francois,
An inexpensive airfoil plotting program for IBM PCs and DMPs, many features $25 F. write: Ayotte, 6217 Robert Blvd., St. Leonard, QC H1P 1N2, Canada
- 87 Apr,
Selig, Michael,
Plan for testing airfoils is given w/ request for construction of airfoils ClkY,E193,E205,E214,FX6-100,HQ1.5/9&2.5/9,MB253515,S2027,S3002,S3021,S4061
- 87 Apr,
Acker, David,
Dave is now source of foam wing cores for Jerry Slates and H. Johnson 415-462-0672 Write to: 850 Concord St. Pleasanton, CA 94566
- 87 Apr,
Gray, Jim,
How to handle prints being sent in for publication. SASE for responses. Back issues available
- 87 Apr,
Fritz, Mike,
Modifications for XC-Sagittas and other models are discussed. Good ideas are listed.
- 87 Apr,
Sawyer, Ty,
Prodigy with wingeron control was built and evaluated. Diagrams & Photos
- 87 Apr,
Finch, Harry,
A new column introduced about slope soaring on the west coast.
- 87 May,
Gray, Jim,
Jim tells the public about his moving to the S.W. USA
- 87 May,
Rondeau, Bob,
"Algebra" 2.5M sailplane is shown in 3 view drawing 8.4-14.4 Oz/Ft^2 - Aileron Vers 10.5 - 16.5 Oz/Ft^2 Rudder Version
- 87 May,
Sealy, Bob,
A three view drawing of Bob's Constellation design is shown and discussed. 167" span, 1705 sq in, S4061 Airfoil, 71" length, 11.6-14.2 Oz/Sq Ft.
- 87 May,
Thomas, Jim,
Jim gives specific recommendations to those with sensitivity to glues/paint Masks offer no protection from vapors. Resporators recommended
- 87 May,
Currington, Ernie,
Specific values for working Horiz. Tail Volume Coeff. and another index gvn Volume coeff. = Stab area * Moment Arm/(Wing Area * Avg. W. Chord) avg=0.41
- 87 May,
Penton, D.N.,
Issue is taken with Andy Lennon's comments on stability in April 85 issue. When N.P. and C.G. become equal, this should be called Neutral Instability.
- 87 May,
Fraser, David,
Dave explains stability trade offs of moment arm, areas, static margin. Also the effect speed has on control sensitivity.
- 87 May,
Moore, Bud,
Bud sends photos of a canard design sailplane with other news from Florida.
- 87 May,
Murray, Lee,
Photos sent of model whose design appeared in Apr & May of 84. Model to attempt altitude record.
- 87 May,
Trapnell, Ben,
Bobcat by Bob Martin is given good marks for flying ability for beginners. Bob appreciates the Prodigy reviews given earlier.
- 87 May,
Kookabura Publns,
Martin Simon's Book Vintage Sailplanes only costs $40 not $48 Geoff Pentland, Mrg.
- 87 May,
McQueen, Ian,
Printed balsa models circa 30's & 40's to be reissued from Canada Eash Built Models, 15 Ontario St., Grimsby, Ontario, L3M, 3GH, Canada
- 87 May,
Jackson, Eric,
"Pivot" kit and flight performance are rated high. Tips given. Good article by Eric.
- 87 May,
Finch, Harry,
Light weight and convenience offered by Radio Shack switching phone jack. Remove plug and turns on radio. With plug in you may charge.
- 87 May,
Halleck, Al,
A flying wing design is shown and is described. 64" span
- 87 May,
Jackson, Eric,
Many tips on techniques for launching and flying are given.
- 87 May,
Moore, Kenneth,
A design for an inexpensive Ford long shaft starter motor winch are given. Uses PVC pipe.
- 87 Jun,
Able, Bruce,
Forward sweep design with BA25 airfoil is shown in 3 view and discussed. Larger spans are planned with flaps and ailerons.
- 87 Jun,
Loudon, Steve,
Large sailplanes well suited for windy Mid-West conditions. Cumic+, Meteor Large sailplanes fly well in wind.
- 87 Jun,
Gray, Jim,
F3H to become a recognized event in AMA rule book (Prediction)
- 87 Jun,
Harvey, Mike,
"I.S. Garth" Sailplane has heavy fuselage but can be ordered w/o coloring. Good launches require 10+ MPH wind.
- 87 Jun,
Smith, Brian,
SPLATS (spoilers-flaps) placed between spar and TE give good control. 15" long by 1.25" wide located on bottom between spar and TE.
- 87 Jun,
Slates, Jerry,
Hardened Drill Rod for W Joiners avail. from Blue Ridge Machinery & Tool P.O. Bopx 536, Hurricane, WV 25526 800-872-6500 or 562-3538 local
- 87 Jun,
Currington, E.G.,
Good information is given on preforming wood and advantage of scarf joints.
- 87 Jun,
Como, Bart,
Bart instructs how to use hair spray on carbon fiber tow for handling Use wax paper under tow to aid relocation to surface requiring fibers.
- 87 Jun,
Gray, Jim,
Sources for Building Boards, Foam Cores, Sagitta 900, Contest Scoring Contest scoring program is an overlay to Lotus 1.2.3.
- 87 Jun,
Thomas, Jim,
Servo control system for Windsong using Airtronics 7SP radio is shown Two servo's needed for Ailerons.
- 87 Jun,
Slates, Jerry,
Landing points system which is closer to real world condition w/ full scale Down wind leg, turn, fly thourgh gate and land in patterned area.
- 87 Jun,
Beckett, Tony,
"Kastaway" kit by Bridi is reviewed and shown. Good in light wind. Turbulated wing (59") gives strength. Fuse of 3/32 balsa. Wt=15 Oz
- 87 Jun,
Pettigrew, Bill,
Cumic II kit is reviewed and changes noted for weight reduction.
- 87 Jun,
Benson, John,
Cal. Slope Designs "S. of Savage" features & flight performance are reviewed. Abrupt stalls are due to tapered wings and flying it too slow.
- 87 Jun,
Finch, Harry,
Vacuum forming techniques and equipment are described.
- 87 Jun,
Sawyer, Ti,
Tail boom breaks ended with epoxy, carbon fiber and glass cloth (+3 oz). A glass fuse is available.
- 87 Jun,
Rondeau, Bob,
An all wood blade spoiler is shown in drawing. Looks good & light
- 87 Jul,
Smith, Frank,
"Minimoa" full size is shown in photo & 3 view with specifications.
- 87 Jul,
Gray, Jim,
Move to Arizona announced. Double issue planned for Aug-Sept. Post office to be announced.
- 87 Jul,
Finch, Harry,
Part 2 of 5 part article construction. Home Vacuum Forming 5-87 is Pt 1. How to form a conope or similar part is described in this section.
- 87 Jul,
Finch, Harry,
A proposal and one example of an electric ducted fan scale jet are given. An F86 jet flys in slope lift and fan is turned on when needed.
- 87 Jul,
Slates, Jerry,
Update on the first F3B team and practice at San Jose, CA.
- 87 Jul,
Williams, Dave,
A summary of the second practice session in Albuquerque, NM. CNN coverage was given as well as a 10 min spot on local TV.
- 87 Jul,
Rondeau, Bob,
Gull winged ornithoid is shown in sketch as a mind exercise.
- 87 Jul,
Chan, Steve,
ASW20 Glas Flugel model is shown as is Wurts's slope racer good photos.
- 87 Jul,
Stoner, Arlie,
LJMP "Comet" is reviewed and given a strong recommendation. HQ2/9 112" Two spars and sheeted center section, Kevlar Fuse, Faster than Sagitta XC
- 87 Jul,
Puppo, John,
The airfoil polar is described and related to sailplane design. Good for beginners.
- 87 Oct,
Astech Models,
A 2 view drawing and specifications for "Mistral" polyhedral design A new kit from Canada
- 87 Aug,
Reed, Mike & Mass, Carl,
Three View drawing and description of slope soaring aerobatic design
- 87 Oct,
Work, Steve,
87 world championship results are reviewed. Austria 1st USA 7th Reinhard Liese W. Germany 1st, Steve Work 18th, Steve Lewis, 28th.
- 87 Oct,
Gray, Jim, et.al.,
MARCS Soaring Symposium, GDS&HS dual meet & Mid Columbia RCSS Fun Fly GDS&HS = Greater Detroit Soaring & Hiking Society
- 87 Oct,
Eberhart, Dieter,
Dieter tells of his good experience with ASW-22 model and other activities. Activities include participation in the postal contests.
- 87 Oct,
Wiebalck, Rainar,
High Sky Thermal Mixer II is reviewed with letter by Cliff Oliver Device works by causing the airplane to circle when it is rising.
- 87 Oct,
Oldenburg, Ed,
Two ways to minimize tip stalls are covered: Nose Droop and + Tip Camber Diagram on how to use Noose Droop and more tip camber are given.
- 87 Oct,
Morris, Pancho,
Changes in "Poquito Primero" for lighter wt., stronger fuse, & imp. control Wood in wing & tail downsized, fuse laminated with 1/64 ply & carbon tow.
- 87 Oct,
Kaluf, William C.,
Aero-towing experiences with details on setup are given. - Good experiences Small spoilers & or canopy breaks are used for landing.
- 87 Oct,
Border, Rich,
"Manic Monday" design of foam/balsa flapped wings with E214 airfoil. Flying performance is good. 38-40 oz. Unusual cable hold down.
- 87 Oct,
Gray, Jim,
The flying performance of the "Algebra" design by Sean Bannister is covered.
- 87 Oct,
Finch, Harry,
"Slope Scene" asks readers for information on solpe sites
- 87 Nov,
Gray, Jim,
Jim comments on the roll F3B plays in the development of improved sailplane
- 87 Nov,
Gray, Jim,
Jim gets settled in new AZ home and talks about getting aerotowed
- 87 Nov,
Troy, Jeff,
Jeff reports on the 87 AMA NATS soaring event
- 87 Nov,
Reed, Mike,
Mike talks about his fine models and has submitted photos.
- 87 Nov,
Currington, E. G.,
Cardboard boxes used for holding models and parts also sink rate in turns. Table given for sink rate increase vs diameter of turn.
- 87 Nov,
Simpier, Bernard K.,
Airtronics & Futaba responds to question about 91 guidelines and conversion Prices listed and instructions for getting transmitters retuned &/or upgrad
- 87 Nov,
Underwood, Bob,
Frequently asked questions on new 72 MHz frequencies (channels) answered
- 87 Nov,
Trapnell, Ben,
A report on the Texas Dash (Aug 22-34) is given. $500 prize to J. Wurts. E374 used on Wurts airplane. Cliff Oliver has LJM Assoc. S/P Des. Model
- 87 Nov,
Scott, Tomas,
The Orlando Buzzards announce the 13th Annual Tangerine Soaring Chmps. Nov 27, 28, 29
- 87 Nov,
Devlin, Ed,
Advice on developing your color scheme to enhance the beauty of a model. Good article. Original and useful.
- 87 Nov,
Finch, Harry,
History of R/C slope soaring given. Locations and names given.
- 87 Nov,
Shaw, Stan,
132" span "Mistral" by ASTECH is discussed. E392 is used, $130 Canadian
- 87 Nov,
Yates, Richard,
Light weight tailplane designs given.
- 87 Dec,
Juschkus, Ray,
Eastern Soaring League comments on recent scale contest (with photos). PR Officer: Ray J. 7 Evergreen Ave., New Hyde Park, NY 11040 (516)352-0387
- 87 Dec,
Porter, Jim,
RC Report reprint of sources for info. about RC soaring.
- 87 Dec,
Raymond, Ron,
Power Scale Soaring Assoc. NL is discussed. Many 50's jets with foam const 52, Mountway, Waverton, Chester, England CH3 7QF
- 87 Dec,
Keith, Russell,
Flight Line winch is shown and described
- 87 Dec,
Entwhistle, Vaugn,
Questions & answers about RC Soaring to put into publications.
- 87 Dec,
Abell, Bruce,
Experiment shows + sweep better than -. High point of AF moved root to tip. Airfoil coordinates given in article.
- 87 Dec,
Slates, Jerry,
Jerry provides photos taken in Germany of world F3B competition.
- 87 Dec,
Blanchard, Stuart,
Calypso 8 sailplane design is shown and source is given. B.A.R.C. 17 Hepley Road, Poynton, Nr. Stockport, Cheshire, England
- ,
Gray, Jim,
Status report on RCSD and explanation of the second Scale Issue.
- ,
Cartwright, Bob,
The story of Bob's T53 Slingsby is given. Swept forward wing.
- ,
Watkins, John,
Some information about the construction of Kirby Kite I is given. John's address is is given but is too long for this space.
- ,
Watkins, John,
"Crested Wren" model is shown and described. Vintage Glider Club mentioned Watkins is from England.
- ,
McGown, Ray,
Photos of Jantar and SB-10 are shown. Very Nice!
- ,
Smith, Frank,
Info. and photos: Moatzagotl, Minimoa, Grob 109, Grunau Baby II, ASW-22 SG-38 "Schulgleitter" Frank is from Australia
- ,
Smiley, Everett,
Hobby Lobby provides scale planes, but documentation is needed. Jim Gray offers information on how to get documentation.
- ,
Hiner, Jack,
Jack adds information about the LK-10 Flat Top. SOAR scale activities also
- ,
Gray, Jim,
Sources of scale documentation given.
- ,
Moore, Bud, et.al.,
Photos:CG-4A Cargo Glider and TG-3, ASK-13, Hunter H-17, LO 100
- ,
Raymond, Ron,
Information about the activities of the Power Scale Soaring Assoc. + photos
- ,
Finch, Harry,
Information about the International Slope Race at Davenport CA. Interesting photos!
- ,
Finch, Harry,
Continuation of article on vacuum forming with good details.
- ,
Rondeau, Bob,
"Algebra 3M" is reviewed and good details are shown & described. Sheeted foam with with nice F/G fuse.
- ,
Smiley, Clark,
Use epoxy on both sides of balsa sheet covering foam core, paint with soln. of dope & epoxy add 0.6 oz glass cloth and continue with dope then paint.
- 88 Jan,
Gray, Jim,
Jim comments about the importance of F3b developemnts to thermal soaring.
- 88 Jan,
Stevens, John,
Design of light weight model shown 4.72 oz/ft^2, 14 oz total, S2031 60" span, 427 sq inches
- 88 Jan,
Love, Keith,
Paper tubes are great for holding stuff. Pay 'N' Pak has cheap sanding tools Diagram of paper tube rack shown. Tools are similar to Permagrit
- 88 Jan,
Mulligan,
Friction free hinge construction is described. Causes of friction given. Gapless feature described. Use of piano wire to align hinges are given.
- 88 Jan,
Mulligan, Don,
Technique for creating thin trailing edges with lower drag is given Sanding technique tapers balsa sheeting. 1/64" plywood gives sharp edge
- 88 Jan,
Rondeau, Bob,
Full size wing saddles aid construction of all kinds of wing constructions. Diagarams and instructions given.
- 88 Jan,
Devlin, Ed,
Accititer CCT is evaluated in its different configurations. Advanced Kit Photos are very good. E214, 2M, 723 in^2, 56 oz. 1.5 ft/sec sink, L/D=16
- 88 Jan,
Riggle, Jim,
Slope sites in Oregon, Washington, and California are given w/ maps. Goodnoe Hills, McKinley Ridge, Hebo, Cscade Head, Cyote Hills, Richland
- 88 Jan,
Gray, Jim,
Indexone cardboard slope soaring airplane is described
- 88 Jan,
Keith, Russell,
Flight Line Systems winches are described in more detail. Constant Tension
- 88 Jan,
Seaborg, Walt,
The proceedings of the MARCS Sailplane Symposium are offered.
- 88 Feb,
Slates, Jerry,
Multiplex Ka-6E soars a ridge in California
- 88 Feb,
Gray, Jim,
The problems & variety of Slope soaring activities are discussed.
- 88 Feb,
Harden, Kale,
Kale comments on his new 3.5 meter Discus and shows photo. Kale also runs postal contests. Kale lives in Florida
- 88 Feb,
Devlin, Ed,
Ed's sailplane has 9% thick Girsberger #15 upper/#12A lower airfoil. Fuselage has low drag nose. Airfoil plot is shown.
- 88 Feb,
Knight, Gerry,
Winch was built from a design shown in June 86 Model Builder. Looks Good! Winch uses Ford Long Shaft Starter w/ end bearing. Opt. cart holds battery.
- 88 Feb,
Sandroini, Hugo,
Hugo wins SULA's Modeler of the Month award for detailed Mini Nimbus. Photos of detailed cockpit and model are shown. Very Nice
- 88 Feb,
Kuhlman, Bill & Bunny,
An update on their flying wing experiences. Bill is active in design Bills address: P.O. Box 975 Olalla, WA 98359-0975
- 88 Feb,
Levin, Earl,
South Bay Soaring Society has 3 F3B contests/yr. Lewis and Spicer members F3B contests are rare in US. More competition is needed to make it go.
- 88 Feb,
Muligan, Don,
A retractible tow hook design is illustrated and discussed. Rondeau Illustration of spring to reteract mechanism
- 88 Feb,
Douglas, Ian,
Illustrated mechanical mixing for Flaps/Ailerons/Rudder/Spoilers Compound linkage is used in Trigonometry '77 by Ian Douglas
- 88 Feb,
MATS,
The size of wing rods needed for given size model is shown (span * Lbs) 3/32=25.4 1/8=58 5/32=109 3/16=181 7/32=275 1/4=392 17/64=461
- 88 Feb,
Gray, Jim,
Comments on Central Arizona Modelers shown & products in show. Photo of Jim and Peggy or Paggy(?)
- 88 Feb,
Voss, George,
Allure by Balsa USA is reviewed in construction and flight.
- 88 Feb,
Byers, Wil,
A fun fly is planned for May 27-29 in Richland, WA Directions Given
- 88 Mar,
Morris, Pancho,
Humorous article about the hiden intelligence of objects & gremlins. Good!
- 88 Mar,
Murray, Lee,
Photos of The Great Race taken in Plainfield IL SOAR Club Sponsors Held June 13 87
- 88 Mar,
Trapnell, Ben,
Response to High Start editorial about the value of F3b to thermal soaring F3b Said to be limited to professionals nor the common flyer.
- 88 Mar,
Gray, Jim,
A one class world wide RC Thermal Soaring event is suggested. An RC event would foster the development of sailplanes to best match rules.
- 88 Mar,
Mulligan, Don,
Response to High Start edit.on F3B Problems with F3B ships in TD events. F3B ships are too heavy, winches need to be specialized, fuses. too small
- 88 Mar,
Foster, Mark,
Video tape of scale slope soaring is described. Cost = $20 Mark Foster, 326 Oneonta Drive, S. Pasadena, CA 91030
- 88 Mar,
Hulme, Alan,
Covering foam with paper and white glue makes surface strong also painted. Wet paper, apply 50% glue, dry, sand, steel wool, prine, paint
- 88 Mar,
Mulligan, Don,
Sierra Vista Model Av. Club is having a power/launch soaring event. Don is CD (602) 458-7677 also Lou Crane (602) 459-0546
- 88 Mar,
Carlson, Paul,
123" Quasoar model prototype is shown. New product of Off the Ground Models Fiberglass Fuse, Foam Core Wing - Balsa Sheeted
- 88 Mar,
Winiecki, Don,
Response to HS article on F3b. F3B ships can handle X-Country abuses. Design features suggested: Polyhedral, Variable Camber, Sharp LE
- 88 Mar,
Morton, Jeff,
Tefalis CCT design with tiperons is shown and described. E214 Airfoil Calsoar P.O. Box 367, Topanga, CA 90290
- 88 Mar,
Selig, Michael & Donovan, John,
An update of the plans for wind tunnel testing at Princeton.
- 88 Mar,
Werner, Reinhard,
Eureka Flying wing design is shown and discussed. 3.5M span
- 88 Mar,
Carmichael, Asher,
3/8 or 1/4" glass or 2 counter tops are excellent building boards. Spray adhesive use listed.
- 88 Mar,
Gray, Jim,
Flug und Modelltechnik is a magazine with many articles and plans. Published by Verlag fur Technik und Handwerk, 7570 Baden-Baden W.Germany
- 88 Mar,
Murray, Lee,
RCSD databases for 1987 are published. References and Sources Appleworks discs and bulletin board listings available (414) 731-4848
- 88 Apr,
Chan, Steve,
Photo of slope soaring over Pacific Ocean
- 88 Apr,
Gray, Jim,
Advertising and mail problems and options are discussed as well as advice to subscribers who don't get their issues.
- 88 Apr,
Martin, Jim,
Jim shares his experience with electric sailplanes
- 88 Apr,
Kuhlman, Bill & Bunny,
Ways to avoid loss of control at low speeds is reviewed. Washout, Drooping LE, Turbulators, Fences, blowing or removing air on wings.
- 88 Apr,
Nankivil, Mark,
F3E World Championships for pylon racing, scale & aerobatics in St.Louis Parks College, Cahokia, IL August 17-20, 1988
- 88 Apr,
Kincaid, Leon,
Leon Displays his Scooter's airfoil section which is very close to E214
- 88 Apr,
Gibbs, Chip,
Chip shows some ideas for design. Cumic wing with Sealy fuse works well. Chip is looking for other sailplane flyers in Missippi
- 88 Apr,
Phoenix MAC Newsletter,
Rohacell is discussed, its properties shown and the source listed. Comes in 4 x 8' sheets. Cryo Industries, 25 Executive Blvd, Orange CT 06477
- 88 Apr,
Michaelis, Harley,
Airtronics Sailplane transmitter set-up is discussed in some detail. The model of the radio was not given
- 88 Apr,
Klassen, Doug,
A humorous story is told about the love of soaring and living in the desert.
- 88 Apr,
M.Columbia RCSS,
A Fun Fly and Soaring Social is announced with an adgenda. May 26 88
- 88 Apr,
Border, Rich,
Humorous story about being prepared for contests. - Good!
- 88 Apr,
Carmichael, Asher,
Inexpensive 1/16" piano wire serve as tension or compression clamps.
- 88 Apr,
Dvorak, john,
Cut an I Beam in 2 and use each side to compress wing while bonding skins. The beam weighs about 500+ lbs. Is ripped down sheer web.
- 88 Apr,
Hiner, Jack,
The 88 Scale Uprising will be Sept 10 & 11, 88 Application included
- 88 Apr,
Beckett, Tony,
Sweeping back the wing allows weight reduction. Brillig2 design is shown. UNL design is shown with some detail. Foam wings, 9-13 oz/ft^2
- 88 Apr,
CASA Newsletter,
A diagram on how to hook up a retriever is shown.
- 88 May,
Wyss, John,
Eclipse multitask sailplane is shown in 3 views. HQ2.5/9 airfoil 1220 Sq in, 128" span, 14.2 AR, 118-166 Oz, 13.9-19.6 Oz/Ft^2
- 88 May,
Gray, Jim,
AMA scratches 89 F3B finals in Va. Beach without consulting F3B flyers. Bad PR example. Problem of launch rules sited as the problem.
- 88 May,
Blakeslee, Byron,
A new Newsletter by Randy Reynolds for F3B is available from AMA for $5/Yr. Write Micheline Madison at AMA HQ.
- 88 May,
BARCS,
World Interglide '88 announced for England with social barbecue planned. Contact Sam Hitchman, 7 Verney Close, Lighthorne, Warwickshire, CV35-0AC
- 88 May,
Murray, Lee,
MaxSoar and PC-Soar are 2 new programs for Macintosh and IBM computers. Polars and several popular designs are on the main disc.
- 88 May,
Porter, Jim,
The National Soaring Skills Symposium is announced for Blakesburg, IA May 28 and 29 are the dates for 1988.
- 88 May,
Gray, Jim,
Aerodynamic Design of Radioguided Sailplanes by Ferdinando Gale' is reviewed Italian & English text by an engineering consultant for full size aircraft.
- 88 May,
Abell, Bruce,
The Bruce Mitchell Memorial Award is given to Ian Avery in Australia. Award is for contributions to the sport.
- 88 May,
Harvey, Mike,
Photo of English soaring club and comments about activities
- 88 May,
Anderson, Bill,
3M #77 spray adhesive should be used outside because of sticky overspray. Used on Fiberglass and for cutting out parts.
- 88 May,
Heintz, Herman,
Herman flies a large model and is looking for an electronic altimeter He is shown with a gull wing model.
- 88 May,
Abell, Bruce,
3 new airfoils printed BA25R14 (14%), BA25R12 (12%), & BA25R8 (8%) Coordinates not available at this time.
- 88 May,
Kincaid, Leon,
KME-214U or K3311 & K3312 airfoils shown w/ 9.5" chords & also coordinates. Leons winning airfoils similar to E214 and S2091
- 88 May,
Jackson, Eric,
Eric shows a discus like hand launch glider which reportedly flies well. Eric says this flies better than the Sunrise.
- 88 May,
Gray, Jim,
American Sailplane Design has a 38" HLG canard design - fast and aerobatic Wingloading = 9.4 oz/ft.
- 88 May,
Devlin, Ed,
Ed recommends Krylon or Sig Skybright 1 part epoxy paint. Good Instructions Remove tape after 10 min. Dry overnight. Prime/ file holes/ sand/ paint
- 88 May,
McCann, Tim,
Dragon's teeth stop model from sliding through spot. $2.95 McCann Tool and Electronics, P.O.Box 8155, Stockton, CA 95208
- 88 May,
Williame, Jim,
The NASA LE droop tested and working well on E205 airfoil.
- 88 Jun,
Sealy, Bob,
Ultima High Tech Thermal Duration Glider Design Shown in 3 views From Sealy's Quality Fiberglass 129" span, Polyhedral
- 88 Jun,
Henwood, Bernard,
Contests formats are discussed as practiced in different contries. An international thermal duration format should be developed.
- 88 Jun,
Gray, Jim,
Michael Selig to be a future contributer to RCSD. Princeton tests underway Additional models needed for testing.
- 88 Jun,
Jenkins, Wesley,
An electric powerpod design is shown for launching with Astro .05 motor. The system shown was marginal on 120" span model. 8 cells used.
- 88 Jun,
Bateson, Peter,
1/8" Balsa/Kevlar-Polyester Resin/1/32" Plywood lamination is used as sides. Very strong fuselages are obtained.
- 88 Jun,
Houk, David,
Good Products: Graupner Hinge Tape, H/L Wing Joiners, Safe-T-Poxy The Wing Joiner looks interesting.
- 88 Jun,
Spackman, Glen,
Soaring trends in New Zealand are reviewed. 8 min max w/ man-on-man replacing conventional 6 min max, 1 hour rounds.
- 88 Jun,
Devlin, Ed,
Finishing with cloth & dope is described in good detail to give fine finish Fiberglass cloth is used over balsa. Dope and baby powder used as filler.
- 88 Jun,
Morrey, Eric,
Geodetic wing construction gives lightweight but strong wings Computer program using HP computer was created. Provoker model shown.
- 88 Jun,
Carmichael, Asher,
A sanding block is shown to allow the user to inset 1/64" ply into balsa. Windsong flaps require this for stiffness.
- 88 Jun,
Pikes Peak SS,
A system for running two selanoids on a winch with test lights. A test button shows status of selanoids.
- 88 Jun,
Edmonds, Dick,
Algebra 4M is unveiled. Design uses S3021 or E392 A/R = 20:1 151" span
- 88 Jun,
Murray, Lee,
RCSD Databases are available free from Bear's Cave BBS as text files. (414) 727-1605
- 88 Jun,
Murray, Lee,
A powerstat is used to control the rate of charging of winches. A light timer controls the charging of radio and winch.
- 88 Jun,
Keer, Lenny,
The construction of a good turn-around is shown in some detail. Uses materials and tools which can be obtained by the average person.
- 88 Jun,
William, Jim,
Good results experienced with NASA leading edge droop on 2M ship.
- 88 Jul,
Gray, Jim,
RCSD subscription price going up due to postage costs
- 88 Jul,
Spackman & Elliott,
Schumann wing platform discussed as used on Tarantula and Epsilon. Straight trailing edge minimizes tip stalls. Used on Discus FS sailplane
- 88 Jul,
Gray, Jim,
5 wing profiles are compared. Strange leading edge gives high Cl & low Cd. Roughened LE or turbulator wire improves performance of some airfoils.
- 88 Jul,
Hawley, Dale A.,
Eastwing FF model by Jetco has retractible .049 power. 76" span Use for RC $10 price
- 88 Jul,
Horne, Doug,
Barbed hooks from fishing fly shop can be used for ends on dial chords CA glue holds hooks in. Diagram shows system.
- 88 Jul,
Carmichael, Asher,
An sanding bar is held at perp. to building brd for sanding LE and sheeting. "C" clamp holds T bar back against block and the buildling board.
- 88 Jul,
Rondeau, Bob,
A new Dodgson flap-aileron reflex trim is described and shown in diagrams. Very complex!
- 88 Jul,
Hickman, Mike,
Mike suggests that the best thermalling models do not have low wing loading Mike argues that agressive flying, covering lots of ground, pays off.
- 88 Jul,
Angevine, Wayne,
Wayne takes issue with M. Higgins and gives negatives to heavy models. Sink rate, damage when crashed, stall speed, landing speed, & launch height
- 88 Jul,
Currington, Ernie,
Ernie takes issue with M. Hickman and says light but strong. Add weight when needed at CG for penetration.
- 88 Jul,
Champine, Bob,
Stretch Gemini is shown and discussed. E392 will be used in a new model. Bob is working on his second progression to level V.
- 88 Jul,
Gray, Jim,
Standard Gauge Wire Chart is shown with decimal equivalents and weights Should be handy for design work.
- 88 Jul,
Paryz, Roman,
A repair of a pod and boom fuselage is described as well as wing parts. A good article for the first repair of glass fuselages.
- 88 Aug,
Palenthorpe, Tony,
Bill Kuhlman and large F.wing at Richland OR slope. Article follows Continued on page 7.
- 88 Aug,
Gray, Jim,
MARCS Symposium, Flying Wing Developments, Princeton Wind Tunnel News
- 88 Aug,
Roseberry, W.A.,
Directions to slopes in Arizona w/ descriptions given + photos of activity. Geier Flying Wing, F-20 Soarer, Shot of hill
- 88 Aug,
Palmer, Rick,
Talk of Arizona activity. Piano hinge air brakes are described - no diag. Ref. to Kit Planes article on leading edge droop. Articles to follow.
- 88 Aug,
Kuhlman, Bill,
88 National Mid Columbia RC Soarig Scale Fun Fly and Soaring Social Richmond slope looks ideal 40 deg, 1 mile long.
- 88 Aug,
Trapnell, Ben,
Big Wing by Carl Boddie of Houston TX reviewed and flown. Foam constrn. Inj. foam with plastic leading edge. Flat glide! ARF too! 40 oz $45
- 88 Aug,
Wurtz, Joe,
Joe sets a new FAI, & US record of 140 miles Decaired and Undeclaired Future story to follow.
- 88 Aug,
Klassen, Doug,
ASW-20 kit by American Sailplane Designs for $275 is very nice and large Much room is provided inside fuselage
- 88 Aug,
Klassen, Doug,
Cases for soaring gear by Matrix are shown. Size selection is large Transmitter cases to wings and other sizes as well.
- 88 Aug,
Kincaid, Leon,
Stabilizer hord bearing shown and trailing edge construction methods shown Good ideas from a champion.
- 88 Aug,
Voss, George,
George has ideas on spars with improved strength. Looks controversial George wants to put the strength members vertical.
- 88 Sep,
Kuhlman, Bill & Bunny,
SB-13 Flying wing is shown in 4 fiews and discussed in article (p2) An organization for the development of flying wings is indicated.
- 88 Sep,
Gray, Jim,
Specifications given for winches motors and batteries - no flywheels. Standards are hard to measure. Lighter sailplanes are being developed.
- 88 Sep,
Simons, Martin,
Evander 60" span sailplane is described and problems listed
- 88 Sep,
Eberbach, Dieter,
Cortina kit from Multiplex is reviewed. It's fast but stable.
- 88 Sep,
Gray, Jim,
Altimeter development status. A company at Toledo Show had telemetry eq. One of four functions were displayed on the ground. Details unknown.
- 88 Sep,
Becket, Thomas,
The Percentage Slot method of scoring is discussed. Resembles Man on Man Each round is divided up into slots and scores are based on longest flight.
- 88 Sep,
Champine, Bob,
Bob used his car parked in sun to cure FG fuse. Also current drain of radio. Two new receivers took 8.5 & 22 mA.
- 88 Sep,
Champine, Bob,
Reynolds Number vs flight speed & chord and Cl vs flight speed & W. loading Chart were ploted and displayed.
- 88 Sep,
Donovan, John & Selig, Michael,
Progress W/ Princeton wind tunnel discussed. Comparisons of polars given E205, E387, S3021 polars included
- 88 Sep,
Darling, Dave (?),
Apathy from AMA re: soaring activity may empower NSS to sponsor US contests CIAM and NAA being asked to sanction NSS to represent soaring enthusiasts.
- 88 Sep,
Gray, Jim,
Sources for RCSD database, soaring videos, RCSD decals, cables, etc given LJM associates database covers all issues of RCSD.
- 88 Sep,
Dodgson, Bob,
Bob takes issue with statements made about Lovesong and Windsong designs Bob looks at the whole design and discourages kit changes being promoted.
- 88 Sep,
Trapnell, Ben,
A modification to Ace sniffler is proposed to eliminate effect of elevator. A dapened venturi tube ignores pulling up of the nose by pilot.
- 88 Sep,
Smith, Keith,
Wax paper pulled over a fiberglass repair leavs a smooth surface.
- 88 Sep,
Taylor, Gerald R.,
Wing leading edges and wingtips were investigated. Qualitative results. Drooped LE = >sink rate, Schuman platform = 88 Oct,
Stevens, John,
Elimator 30 a 30" S3021 HLG w/ aileron control. 3 Views + article Doesn't fly inverted well and rolls very fast (twitchy).
- 88 Oct,
Beckett, Tony,
More information about the Eliminator 30 HLG, contrasted to Stevens article Tony is slope soaring. A big difference from thernalling.
- 88 Oct,
Ratliff, Bob,
Ben appreciates articles on F. Wings and J.Gray adds several good comments Strength of launching device = 3 lbs., Correct CG is very important
- 88 Oct,
Lightfoot,
Sagitta stabilizer wire is glued to fin and modification is made to collet No flutter resulted in 24 sec. speed run.
- 88 Oct,
Murray, Lee,
Dry weather brings excellent soaring to Anderson Sod Farm. Thermals seen. Telemaster 40 thermalled 9 minutes with engine off.
- 88 Oct,
Kotch, Stan,
Brilliant E electric sailplane evaluated and given good marks. 102" span Other kits for sale for $138.56 from Stan
- 88 Oct,
Berry, John,
3.5M kit and Futaba PCM 1024A Radio are reviewed. Not for beginners A wide speed range is evident. Also excellent performance.
- 88 Oct,
Carmichael, Asher,
Canopy construction is reviewed. Foam is used as a base for FG/Epoxy skin. Foam can be removed if needed. Good illustrations and article.
- 88 Oct,
Cheney, Bob,
Altimiter ideas are presented. Transmit digital signal to ground. Ideas might get people to thinking and building.
- 88 Oct,
Jackson, Eric,
Orbiter design is winning all in Portland area. Article to follow. Eric is a good flyer which may have something to do with Orbiter's success
- 88 Oct,
Klassen, Doug,
Index One at only $30 is a steal. Cardboard covered foam wings. Simple!
- 88 Oct,
Murray, Lee,
Walter Panknin makes a model which looks like a Dragon Fly w/ unusual parts Picture shown.
- 88 Oct,
Gray, Jim,
High Performance Wings provides materials for vacuum bagging and also wings 17902 NE 156th. St., Woodinville, WA 98072
- 88 Oct,
Gray, Jim,
Slope Soaring News announced. 2601 E. 19th St. #29, Signal Hill, CA 90804 Call Charley at (213) 494-3712 $15.95/yr. (12 issues)
- 88 Oct,
Gray, Jim,
89 F3B team = Larry Jolly, Seth Dawson, Rich Spicer, Gene Engelgau (alt) Decided Sept 17-18 88
- 88 Nov,
Jackson, Eric,
60" span Orbiter 60 HLG is sown in 2 views and discussed on page 2. Winning design from PASS club in Oregon
- 88 Nov,
Wilson, Edwin,
Quasoar 120" sailplane from Off the Ground models compared to Windsong. Kit is foam cores, FG fuse and planking.
- 88 Nov,
Gray, Jim,
Three new highstarts are available from C&D Enterprises for 2M, Std, & Unl. Kits are complete and high quality.
- 88 Nov,
Stevens, John,
A simple but effective tow hook is shown made from wood and .125 music wire. Hole is drilled at forward angle, attached with epoxy & heated when removed
- 88 Nov,
Kincaid, Leon,
Kincaid's K3311 airfoil used on Scooter) is similar to E214 airfoil Comparisons shown on plots.
- 88 Nov,
Kuhlman, Bill & Bunny,
Flying wing technology discussed. TE requirements, Selig airfoils, etc. S5010 and S5020 coordinates shown.
- 88 Nov,
Stevens, Peter,
A l5 hour flight in the quest for a new record (33 hours) is documented. Good reference material for level V LSF task
- 88 Nov,
Klassen, Doug,
PC-Soar by LJM Associates is reviewed and given good marks for capabilities Klassen a computer novice experienced some problems using the new program.
- 88 Dec,
Spicer, R.,
Synergy III is shown in 3 views on the cover & discussed on page 11 Smaller, lighter design for smaller winches 13.25 oz/in^2, 120" span
- 88 Dec,
Yates, Richard,
A tailplane pivot bearing for low wear is described. Like Prodigy's A one view drawing shows control horn bearing also on brass tube/bearing
- 88 Dec,
Kuhlman, Bill & Bunny,
Airfoils EMX07, ELINA & PHOENIX from Germany are with coordinates. 3 deg of twist recommended with 10 deg of wing sweep.
- 88 Dec,
Caso, Rob,
Instructions for painting insignias onto a model using an airbrush Instructions are specific and useful.
- 88 Dec,
Simons, Martin,
Martin takes issue with spar design of G. Voss (Aug 88). + Flying wing Martin things F3B flying wings are a possiblity for speed and distance.
- 88 Dec,
Moore, Kenneth,
Sig Riser 100 reviewed. Good speed range; recommended for 1st to 3rd model Fuselage formers were reinforced with triangle stock.
- 88 Dec,
Hohensee, John,
High vs low wing loading Prodigy analyzed by MaxSoar software (Macintosh) Flying in wind very often gives advantage to higher wing loadings.
- 88 Dec,
Clark, Gary,
Ding Duck Cartoon from Australia makes first appearance in RCSD.
- 88 Dec,
Connell, Martin,
Spar of lightest weight favors strongest members at maximum separation. Issue taken with George Voss article in Aug 88 issue.
- 88 Dec,
Thomas, Kevin,
Kevin analyzes strength of various spar configurations, Very Good! Sheer webs glued to one side of the spar offer very good performanc.
- 88 Dec,
Neitzke, Steve,
More comments on Dave Darlings views on NSS VS AMA for representing soaring
- 88 Dec,
Gibbs, Chip,
Algebra 3M sailplane built and flown with success. Thermal Navigator used Two wings provided: S3021 or E394 wing length can vary from 2 to 4M
- 88 Dec,
Darnell, D.O.,
A scratch built transmitter used for sailplanes. Special features used Contact Darnell for support in getting encoded ROM for sailplane Tx mixing.
- 88 Dec,
Como, Bart,
Multiplex Flamingo built w/ mods. and flown with Airtronics 7SP radio. Hinge tape recommended from Hisco Prod. 4318 Centergate, San Ant. TX
- 88 Dec,
Darnell, D.O.,
Response to Dave Darlings comments about AMA in Sept issue, p14.
- 88 Dec,
Blakeslee, Byron,
Comments on the F3B team selection finals are made.
- 89 Jan,
Reed, Mike,
Slopar with 52" span and S3021 airfoil is shown in 4 views and reviewed p10 Low wing model with no dihedral.
- 89 Jan,
Gray, Jim,
RCSD reaches 1000 subscriptions, Jim Gray announces retirement on July 1 AMA supported as the best alternative we have for repersentation.
- 89 Jan,
Kuhlman, Bill & Bunny,
Comments on downsized Blackbird HLGs and large flying wings
- 89 Jan,
Bayard, Bob,
Wood boxes .75 * 1" w/ all parallel grain are stronger than X-grain top/bot Confirmed but without numbers quoted. 70% improvement claimed.
- 89 Jan,
Lahde, R. & Bayard, R.,
Adhesive joints of carbon fiber preform to spruce, balsa, and CF compared Sanding is a must. Thin joints best CA>Epoxy(slow)>Epoxy(fast)>Alaphatic
- 89 Jan,
Smith,H. & Lightle,R.,
Rotor slope ship is reviewed. Fast and accurate & agile are attributes From VS Sailplanes Seattle, WA 98103
- 89 Jan,
Murray, Lee,
MARCS '89 National Soaring Symposium is reviewed with photos
- 89 Jan,
Boysen, Art,
Gemini 3M model w/stretched tip panels analyzed by MaxSoar (LJM Associates) Uses S4061
- 89 Jan,
Paryz, Roman,
Terms defined RN, Cl, Cm, Aspect Ratio for beginners.
- 89 Jan,
Searcy, Marshall,
The Discus shape wing is out according to Marshall - too much tip stall
- 89 Jan,
Beckett, Tony,
Bed and Breakfast is offered to modelers visiting Rutland England
- 89 Jan,
Teo, Jeremy,
60" Banzai slope soarer is introduced for combat and aerobatic flying. Banzi Enterprises, 2997 Anderson Ave, Port Alberni, BC Canada V9Y2V3
- 89 Feb,
Gray, Jim,
Sportsman F3B class would be popular based on response from RCSD question RCSD would publishe guidelines for competition.
- 89 Feb,
Kuhlman, Bill & Bunny,
BASIC listing for computing requirements for stable flying wings is given Sweep Ratio, Pitching Moment, Twist included
- 89 Feb,
Blettner, Harold,
Silicone hinge construction based on '86 Sailplane Symposium Article 6 Oz Fiberglass tape and RTV silicone is used
- 89 Feb,
Rebstock, Reiner,
Translation of MTB 1&2 where application of Eppler section are given. Good reference to keep. Originally from TMSS Newsletter
- 89 Feb,
Jenkins, W.H.,
Description of proper knife for balsa wood carving is described. Convex! A straight edge razor works best with non-folding handle.
- 89 Feb,
Murray, Lee,
Information about RCSD database given. Bear's Cave BBS is source of DB Discs with Appleworks.DB, or text files (IBM or Apple) are available.
- 89 Feb,
Berton, Ed,
Mariah 2M plan with Rud, Ail, Flaps & Pod & Boom construction is shown Design in 3 views and discussed on p12 and S4061, 34 to 37 Oz, 8.75 Oz/Ft^2
- 89 Feb,
Moore, E.B.,
Description of Tangerine Soaring Championship results for '88
- 89 Feb,
Devlin, Ed,
Airtronics Vision System announced, ATRCS upgrades available. Sheldon's to have Vision 8SP for $450. My check showed $500
- 89 Feb,
Byers, Wil,
'89 Nats to have many one day events over several areas of competition. Mon-XC, Tue-HLG & Slope, Wed-Scale & F3B, Thu-Unl, Tri-Std, Sat-2M
- 89 Feb,
Smith, Brian,
Sagitta 900 mods and hints to better performance are given.
- 89 Feb,
Hallett, Rick,
Olympic II can be modified to UNL class 136" sailplane and flys very well. Build 36" center section.
- 89 Mar,
Finlay, Grant,
Richochet 108" design w/ RG15 airfoil shown in 3 views 10.25" chord. 5 Deg dihedral, 6 to 7 lbs with ballast. Won New Zealand Nats in 87
- 89 Mar,
Gray, Jim,
More on 1 design F3B, loss of sites, electric flight on small fields
- 89 Mar,
Kuhlman, Bill & Bunny,
Continuation of discussion of flying wings, full size and models. + Flaps B2 "Stealth", YB-49 comments, flaps, twist.
- 89 Mar,
Palmer, Rick,
'89 Internat. Model Show - Pasadena is reviewed w/ many product comments. Good review with comments on many products
- 89 Mar,
Trapnell, Ben,
LSF new address: League of Silent Flight, P.O. Box 517, Winfield, IL 60190
- 89 Mar,
Gray, Jim,
Mark Foster's Slope Soaring Sites of the West is reviewed & given good mark Famous sites are shown as well as good flying and beautiful models.
- 89 Mar,
Poehls, Vern,
Flight Line Systems winch was reviewed. Worked well one hole year. Power is a little less than std Ford starter model with 12V battery.
- 89 Mar,
Search, Marshall,
Spoiler Hinge by Marshall Searcy is shown - looks light and strong Marshall Searcy, 308 N. 2nd. St. Porterville, CA 93457 (209) 782-1400
- 89 Mar,
C. A/C Eng. & Sup.,
Sucker kit for wing bagging is announced Composite Aircraft Eng. & Supply P.O. Box 866, Lapeer, MI 48446 (313) 797-4357
- 89 Mar,
LSF,
'89 LSF Soaring Nats is announced for May 6,7 in San Francisco
- 89 Mar,
Tri-City Soarers,
'89 Int. Scale RC Soaring Fun Fly is announced for May 26-28 in Richland WA
- 89 Mar,
Smith, Brian,
Photos, comments about flying and trying for LSF V goal & return.
- 89 Mar,
Levin, Carl,
Quasoar by Paul Carlson, is critiqued with suggestions for F3B use. 111" span is proposed, spruce LE, add ailerons, less dihedral
- 89 Mar,
Winiecki, Don,
Shueman tips for Windsong and comments on several different models Adante, Camano, Gobbler, Gemini MTS, Pivot
- 89 Mar,
Cole, S.,
Issue taken with Hohensee article on lead sleds, vs flyweights Don points out consequences of heavy weight in launching and sink rate
- 89 Mar,
Klingensmith, Myron,
Field repairs are assisted by plastic funnel to put baking soda on break Funnel is made from Monokote backing, Screwdriver used to meter flow.
- 89 Apr,
Chaney, Don,
Conquest F3B ship with HQ2.5/10 or RG15 airfoil shown in 3 views. 10-12.5 Oz loading, Sheeted Foam. Page 4 with more detail
- 89 Apr,
Gray, Jim,
Wilshire Hobbies closes after being a valuable resource for years.
- 89 Apr,
Blakeslee, Byron, et.al.,
Sportsman Contest comments are registered. It looks like this might work.
- 89 Apr,
Kuhlman, Bill & Bunnie,
Buettner flap control system using belts is discussed & illustrated A unique design and concept.
- 89 Apr,
Vivas, Felix,
Interest in F3E is solicited.
- 89 Apr,
Reed, Mike,
Slope Racing thoughts are shared. Airfoils between 6-15% should be used. Thin ones fly fast but loose on turns. Thick ones loose on straights.
- 89 Apr,
Granger, Ed,
Theory of Thermal Navigator is discussed. It is recommended for XC racing since the sniffler frequencies are crouded.
- 89 Apr,
English, Chris,
Olympic II sailplane wing attack should be adjusted 1/8" lower at LE A modification for spoiler adjustment is shown.
- 89 Apr,
Chan, Brian,
Cardboard playing cards work well for mixing epoxy, speading glue, cutting pad, templates, gussets, & heat shields.
- 89 Apr,
Bell, Paul,
Titanium Wing Rod strength, modulus & yield compared to steel and aluminum. Stress=(moment*10.2)/Diameter^3 Stiffness=0.049*Dia^4*(moment of inertia)
- 89 May,
Allen, Mark,
Falcon 880 contender in RCSD challenge is shown in 3 Views. Described p6 Kit available, 112 in span, 10 oz/sq ft., S3021-S3014, 60 Oz, Schuman TE
- 89 May,
Vivas, Feliz,
Column describes good equipment for electric sailplanes. Monthly column
- 89 May,
Kuhlman, Bill & Bunny,
Wing twist, airfoil selection and sweep and taper are discussed. Very good column
- 89 May,
Triebes, Mark,
Excalibur 1 is shown and plans for Excalibur 2 discussed
- 89 May,
Cox, Jim,
Aerotow account using Kadet is shown in photos and described
- 89 May,
Donovan, John,
Video of Princeton Wind Tunnel Tests available from J. Donovan 754 Stone Canyon Drive, Manchester, MO 63021
- 89 May,
English, Christopher,
Description of techniques for soaring on dam shown in diagram.
- 89 May,
Reed, Mike,
Mike used a cox model car to tow a glider into the air over a road. Tension was self regulating.
- 89 May,
Abell, Bruce,
Photos of models from Australia including Saab Gryphon Jet
- 89 May,
Don Wienecke,
Pivot modification is described to tail section to improve handling.
- 89 May,
Welwood, Bob,
1-2 oz glass cloth is attached to wood with CA at 1/2" spots. Epoxy added later (thinned) allow 2 days to dry before wet sanding. (Good Article)
- 89 May,
Reynolds, Waid,
Dodgson Lovesong kit is briefly evaluated. Instructions could be improved. New methods noted.
- 89 Jun,
Olsen, Ray,
Thunderbird MTS sailplane shown in 3 Views and described on page 11
- 89 Jun,
Gray, Jim,
Gamma Gull design is described with its predisors Baby Gull & Gull Models hang in Jim's office
- 89 Jun,
Vivas, Felix,
Balancing props, Airtronics Vision, Battery Packs discussed
- 89 Jun,
Kuhlman, Bill & Bunny,
The plan service offered thought B&B is described. Flutter also discussed P.O. Box 976, Olalla, WA 98359-0976
- 89 Jun,
Rauch, Bill,
Feather HLG is discussed, Orig. article in Model Builder May 88 Additional details given to augment the article in MB
- 89 Jun,
Agnew, Brian,
Ed Burton's (Competition Products) design is evaluated with bldg comments.
- 89 Jun,
Wagner, Ron & Karen,
The design of the Thunderbird model is discussed. Very impressive pedigree Uses LJM Associates laser templates & Lee's nose cone design.
- 89 Jun,
Gray, Jim,
Channel 1 Productions video is commented on with a diagram of cutting jig. Looks like a very useful set of videos and supporting information.
- 89 Jun,
Iafret, John,
Ways to make the Sportsman F3B event more fair are listed. Turn arounds
- 89 Jun,
Teo, Jeremy,
Comments made on FAST (foam and spar technique). Strong, light, durable Jeremy is from Banzi enterprises
- 89 Jul,
Dodgson, Bob,
Camano model with flaps and ailerons is shown in three views. This has been a std product for several years. Uses E214 airfoil
- 89 Jul,
Steele, Bob,
The level V members are listed along with the current officers and addrs.s Bob Steel-Pres,Jim Martin-Sec,Susie Lip-Treas, LSF Box 517 Winfield,IL60190
- 89 Jul,
Kuhlman, Bill & Bunny,
Discussion of the nerrits of flying wings from The Wing Is The Thing NL By Klaus Savier
- 89 Jul,
Thomas, Jim,
Plug in spoiler control linkage looks like a good idea and is used by Jim Fence spoiler disign for airbrakes is illustrated and discussed.
- 89 Jul,
Devlin, Edward,
Sealy Ultima Kit 129" span is reviewed. Flight characteristics are good Some design changes are recommended.
- 89 Jul,
McGowan, Ray,
Mark Allan's Falcon 880 is reviewed. S3021 airfoil, willing design, Good! Kit is available, Schumann platform, transition to S3014
- 89 Jul,
Gray, Jim,
Fun Fly was covered by Jim in Pasco, WA
- 89 Jul,
Jones, Peggy,
A wifes comments on learning to fly a sailplane and being with nature and H Good for wives to read.
- 89 Jul,
Web, Kevin,
Airtronics is coming out with a new model Legend to work with Vision Radio Legend is same as Falcon 880.
- 89 Aug,
Mills, Max,
Westwind RCSD Challenge entry is shown in three views S3021, Flaps & Ailerons, Crow Option
- 89 Aug,
Gray, Jim,
8 Entries to the RCSD Challenge have been made. Electrics in RCSD(?)
- 89 Aug,
Vival, Felix,
Contest formats are described. Mfgrs are heavily promoting electric soaring $2000 cash prize being offered for winner of Astro Flight contest.
- 89 Aug,
Kuhlman, Bill & Bunny,
The design of several models is discussed Elfe II, Nurflugel, JustInTime 87 Sweep and tip/winglet design is an issue as well as control surface placemt
- 89 Aug,
Klassen, Doug & Hanzlik, Chris,
The Klingberg Wing is reviewed with good marks for flying but not for kit. Construction details are rigerous and perhaps not the best approach.
- 89 Aug,
Halleck, Alan,
Alan's Clovis Point model is very fast and does axial rolls. Sheeted blue foam construction is heavy. Airfoil is a custom design.
- 89 Aug,
Gibbs, Chip,
Lovesong design shows improvements over Windsong eg spar to tips of wing. Changes recommended to control system to minimize slop.
- 89 Aug,
Blakeslee, Byron,
Rules for the sportsman F3B program were discussed and recommendations made 75 Oz max, Launch equipment host supplied, No relaunches, Normalized scores
- 89 Aug,
Rand, Rick & Alexander, Robert,
A nicad discharge monitor system is shown which is inexpensive to make. The parts are few but a circuit board would be nice.
- 89 Aug,
Various,
Several contributors present ideas about why contests are not more popular No easy answers here although the ideas may be valuable.
- 89 Sep,
Various,
This issue is dedicated to RC Scale Soaring
- 89 Sep,
Charlesworth, Cliff,
Mu13d Atalante sailplane shown in 3 views and discussed in High Start
- 89 Sep,
Gray, Jim,
NATS results are listed for XC, HL, F3b, Sports Scale, UNL, STD, 2M Joe Wurts winns three events.
- 89 Sep,
Smith, Frank,
Scale Documentation is discussed from an expert's perspective. Several tests are listed
- 89 Sep,
Watkins, John,
Vintage sailplanes are discussed along with the reasons for flying them. Olympia IIb and Crested Wren are shown
- 89 Sep,
Gray, Jim,
Mark Allen's Falcon 880 wins RCSD challenge for best sport F3b design. other entries: Camano, Conquest, Hustler, Odyssey, Pulsar, Quasoar, WestWnd
- 89 Oct,
Gray, Jim,
Special How-To Issue
- 89 Oct,
Gray, Jim,
Handicapping is discussed as a way to get more participation in Sport MTS. Skil levels and model type both used to compute handycap.
- 89 Oct,
Slates, Jerry,
Miter tray is described for sanding joint angles and setting wing rods. Piano hinge is used. Both sides rise off table so joiner would be level.
- 89 Oct,
Kuhlman, Bill & Bunny,
Flaps on planks can be used, light wing loadings are typical
- 89 Oct,
Michaelis, Harley,
Installation of rubber hinges from ACE R/C is discussed. Ailerons, Flaps
- 89 Oct,
Harger, Jim,
Super Zebco retriever is discussed which results in no twisting of line. Sounds live very good idea. Commercial model available. 314-443-6708
- 89 Oct,
Eberbach, Dieter,
Ideas on spotting and using thermals are offered along with trimming tips.
- 89 Oct,
Morris, Pancho,
Ideas on how to fly in wind are offered. Stay up wind, ballast, speed. Don't try to land crosswind, best upwind. If necessary land hot downwind.
- 89 Oct,
Klassen, Doug,
PC-Soar Version 1.3 for sailplane design and evaluation is reviewed. Wide list of features are listed and good marks given.
- 89 Oct,
PASS,
Spar strength data is offered for various types of construction. Good! 6 1/2 page article available from club.
- 89 Oct,
Bayard, Bob,
0.25" Carbon vs Steel wing rods, hardened and not hardened, are discussed. Steel rods bent as low as 25 lbs, brake <= 80 lbs, Carbon F broke at 45 lbs.
- 89 Oct,
Reiffer, Ray,
Turbulators provide corrections for bad wings, but may also cause problems
- 89 Nov,
Meinke, Harry,
Aluminum spoilers construction is described in Jer's Workshop article Looks a little heavy for thermalling models.
- 89 Nov,
Kuhlman, Bill & Bunny,
Wing sweep and twist is discussed along with construction methods/materials
- 89 Nov,
Selig, Michael,
What is takes to fly fast is discussed. Wing Loading and Drag are key.
- 89 Nov,
Gray, Jim,
Historical Basis for a one design contest is offered.
- 89 Nov,
Miller, Bill,
Bill describes good modifications to the Gentle Lady to improve durability. Double spar, reinforced stab, push rod selection, etc.
- 89 Nov,
Reynolds, Randy,
Specific airfoils suggested for specific kinds of soaring. Good! Methods of construction suggested along with appropriate airfoils.
- 89 Nov,
The Silent Flyer,
SD-7032 was created for RN <100,000 and has L/D 20% higher than E214.
- 89 Nov,
Gray, Jim,
The Complete Airfoiler (German) is a source of polars, plots & Coordinates NACA, HQ, Wortmann, Benedik, Isaacson, Eppler
- 89 Nov,
Sawyer, Tyson,
Sailplane Design by Dave Fraser is a bullet proof package for designing. Has plots and printout capability.
- 89 Nov,
Eberbach, Dieter,
Very large Red Monster is shown and problems with design discussed. BBS's for computers are listed. West Coast numbers + AC 201 ?
- 89 Nov,
Lindsay, Blair,
A simple spreadsheet approach for analysis of equip. changes to CG. List weights * distance from CG. Look for zero moment.
- 89 Nov,
PASS,
Dialog from USENET (UNIX) network Reed College lists Soartech 8 Source H.A. Stokely, 1504 Horseshoe Circle, Virginia Beach, VA 23451, $20
- 89 Nov,
Sierra Silent Soarers,
Relative dimensions for laying out a Schuemann wing platform are shown. BASIC code for the calculations is shown. Looks like something is missing.
- 89 Nov,
Chewning, Pat,
Characteristics of different kinds of airfoils are listed. Clark Y(Flat Bottom), E205(Philips E), E214(Undercambered), E374(Sym)
- 89 Nov,
Slates, Jerry,
Falcon 880 fuselage construction is mentioned with comments about staff. Flite Lite is company producing Falcon 880 by Mark Allen
- 89 Nov,
Klassen, Doug,
The Craftsman's Workshop BBS is listed as having a section for RC Soaring 602-491-3494 uses 8-N-1 protocol.
- 89 Dec,
Gray, Jim,
1989 milestones reviewed. X-C becomes the fun fly, Falcon 880 wins RCSD+ reaches 32 pages. Slates will publish RCSD from CA. EZ Retriever=S.Zebco
- 89 Dec,
Slates, Jerry,
Use foil tape to CF fuse boom for an antenna. Ant. inside doesn't work.
- 89 Dec,
Jones, Gordon,
Uses and types of Carbon Fiber are listed (tow, mat, rod). Trailing edges on foam cores, servo boxes, spars. Makes indestructible.
- 89 Dec,
Kuhlman, Bill & Bunny,
20 degree sweep with winglets is recommended for performance and stability. Avoid high sweep because of stability and launching problems.
- 89 Dec,
Morris, Pancho,
The test dive approach to setting CG is described once again. 30 deg dive after best glide is establised. Gentle recovery is desired.
- 89 Dec,
Bosco, Willie,
Robbie ASW-24 reviewed. 11.5' balsa sheeted foam wing & fuse are durable. Model crashed but went together well. UFO was useful in not attacking foam
- 89 Dec,
Gray, Jim,
Scale Glider Component products are listed. DG-202 kit, 5'*1/16" pushrods Scale retracts, high tech wing 8.5% E374 w/ CF
- 89 Dec,
Darnell, D.O.,
$19.95 videos on construction of specific models, Falcon 880, Ultima, etc. show quality of kit and go on to build the model showing tips. MCV-mfgr.
- 89 Dec,
Pipic, Thomas,
Weight conversions from grams for a sheet of balsa to lbs/cu ft density. Also volume chart for various sizes of balsa sheets.
- 89 Dec,
Berton, Ed,
Phoenix kit is released. Laser cut parts. S4061 wing w/ ailerons & flaps. Competition Products, Apollo Beach, FL 33572
- 89 Dec,
Devlin, Ed,
Ed reports that Ultima cable pushrods have too much flex and caused flutter and loss of model. He suggests fiberglass puchrods.
- 89 Dec,
Slates, Jerry,
Pete Bechtel imports kits and produces Cobra-17 and Kestrel-19 models Now a dealer for Fiber Glass Fluge Unlimited. Ads to follow.
- 90 Jan,
Gray, Jim,
HP-18A Sailplane shown in three views on cover
- 90 Jan,
Slates, Jerry,
Flight box for holding fuselages and tools is shown and discussed Project is simple to make from 8' x 6" x 1" pine board.
- 90 Jan,
Vilas, Felix,
Big prizes go to few contestants in F3E contests. Big rewards await. Astro 05 Cobalt motor with 7-900 ma cells with fast slope glider needed.
- 90 Jan,
Kuhlman, Bill & Bunny,
Winglet design and location is discussed as it relates to stability. Mounting angles are discussed.
- 90 Jan,
Simons, Martin,
1st. Article by Martin S. covers F3J & SP polars & other useful info. Rate of turns, min. sink, L/D., Lift = Model Weight * Cos (Glide Angle)
- 90 Jan,
N.E. Sailplane Products,
NSP company (Sal Defrancesco, Jay Kempf & Stan Eames) debuts at WRAM show To provide a new source of high tech articles for technical soaring buffs.
- 90 Jan,
Selig, Michael,
Square-Cube law and scaling for RC gliders explains why they appear slow. The effect is deceptive and you may loose an XC model by flying too fast.
- 90 Jan,
Gray, Jim,
Soartech 8 covering Princeton Wind Tunnel tests is published. Ordering Info Send $20 to HA Stokely 1504 N. Horseshoe Circle, Virginia Beach, VA 23451
- 90 Jan,
Murray, Lee & Palfery, John,
MARCS National Soaring Symposium '89 is reviewed. Princeton WT Data Review Flying Wings, F3B World Champ., Thermals, Sailplane Design, Airtronics Dev.
- 90 Jan,
Carr, Peter,
A trip to famous Harris Hill & contest is covered.
- 90 Jan,
Jones, Gordon,
Instructions on a ground school for new pilots convers basic in control. This understanding makes the learning go smoother.
- 90 Jan,
Murray, Lee,
PC-Soar Versions 2.0 and 3.0 are announced.
- 90 Feb,
Ealy, Jim,
The full size DFS Habicht is shown in 3 views. 13.6 M span AR= 11.7 Plans are available from Jim. (609) 448-8725
- 90 Feb,
Gray, Jim,
Sportsman multitask soaring event may be hindered by high wing loadings 75 Oz total weight does not limit the use of small wings.
- 90 Feb,
Hall, David,
Desert Union of Sailplane Thermallists (DUST) solicits members in CA David Hall, 3030 Cypress Rd. Palm Springs, CA 92262 (619) 320-5814
- 90 Feb,
Allen, Mark,
Designer of the Falcon 880 has comments to RCSD readers. 175 kits shipped
- 90 Feb,
Kuhlman, Bill& Bunny,
The future of flying wings looks bright unless banned for unfair advantages Wings are capable of the perf. required to win but piloting must improve.
- 90 Feb,
Slates, Jerry,
Foam rubber can fill the hinge gap and reduce drag.
- 90 Feb,
Palmer, Rick,
Rick uses a crow call to attract crows which like to find thermals. He has repeated this several times and uses it regularly.
- 90 Feb,
Reynolds, Waid,
Rick uses Excel spreadsheet to create helpful charts. Other spreadsheets with graphics should work as well.
- 90 Feb,
Jones, Gordon,
Gordon tests a rather flexible kit using a sheeted foam wing and one of two fuselage options. Dan Acker is the designer.
- 90 Feb,
Griffen, Len,
A program is offered for computing contest standings & end of year results Len Griffin, N9946 River Rd., Wisconsin Dells, WI 53965
- 90 Feb,
Griffen, Len,
Schueman Wing platform dimentions are computed based on target chord, span Loc. of flaps and ailerons comp. N9946 River Rd. Wisconsin Dells, WI 53965
- 90 Feb,
Palmer, Rick,
Silhouette kit by Douglas Aircraft Model Aviation was smooth & acrobatic Flew and landed faster than expected.
- 90 Feb,
Knox, Kenneth,
Sacramento Valley Soaring Soc. is accepting charter members Florin HS sports field at 9:30 AM Saturdays or call (916) 682-3400
- 90 Feb,
Simons, Martin,
Pt 2 continues to discuss polars & the consequences of lift & sink. Flying fast is required to minimize effects of down air.
- 90 Feb,
Edmonds, Terry,
Terry wants who wants to participate in setting FAI rules. Terry Edmonds, 1 Lakeview Dr. Iowa City, IA 52240
- 90 Feb,
Griffin, Len,
Len built three sizes of this model and discusses their relative perf. Aspect ratios should be lower for 2M. More poly for larger models.
- 90 Feb,
Greg Vasgerdsian,
Greg describes how Jerry Slates began his business and describes it now.
- 90 Mar,
Slates, Jerry,
Phoebus 48" HLG design photo from Am S/P Design shown. Model is 10 Oz, 1/32" sheeted foam wing design at $90
- 90 Mar,
Gray, Jim,
FMT Flug und Modell Technik is rated as an excellent periodical. Verlag fuer Technik und Handwerk GmbH, Postfach 1128, D-7570 Baden Baden WG
- 90 Mar,
Bogardus, Carl H.,
Aviation & Computer Enthusiasts (ACE) publication highlighted Write ACE 2009 Camelot Drive, Las Cruces, NM 88005
- 90 Mar,
Banka, Bob,
Scale Model Research announces offering of 3 view drawings for scale doc. 100 sailplane photo-packs, 21 powered sailplanes, most 3 views.
- 90 Mar,
Kuhlman, Bill & Bunny,
The process of foam cutting is discussed & illustrated for flying wings Two template method is shown.
- 90 Mar,
Slates, Jerry,
Ways to mount the cables in thin F/G fuselages is discussed. Balsa strips with holds for cables are mounted to sides and pinned in place
- 90 Mar,
Anthony, Don,
Mariah 2M S/P was difficult to build - Changes noted. Flying was good. Specific model was 39 oz. pod & boom designwith S4061 airfoil.
- 90 Mar,
Byers, Wil,
A E221 airfoil was tested. Results showed good penetration + good lift. 16.6 A/R 98" span, 14-28 oz/ft^2 loadings
- 90 Mar,
Simons, Martin,
Pt 2 Section 1 discusses effects of ballast and model weight on flight All aspects of optimized trim compromise some important aspect.
- 90 Mar,
Gray, Jim,
Casio Digital Barometer/Altimeter Watch is discussed. Features are listed Not too specific instructions are given.
- 90 Mar,
Bayard, Bob,
Instructions for foam cutting are illustrated and discusssed. .022 wire was recommended.
- 90 Mar,
Unknown,
Midland has a hands off walkie talkie which should be good for F3B practice 49 MHz design used ear microphone and speaker.
- 90 Apr,
Ferdinando Gale',
Laros (circa 1942) Free Flight model design is shown in three views 2.14M span, 160 mm mean chord, SL-1 Airfoil, Wing loading 3.23 Kg/m^2
- 90 Apr,
Gray, Jim,
Model Construction Video's Mariah Construction Tape is given good reviews. Denny Darnell has given birth to a series of teaching tapes for modelers.
- 90 Apr,
McGowan, Bob,
Hints of how to get radios into small spaces are presented. Removing battery cases is one good idea.
- 90 Apr,
Kuhlman, Bill & Bunny,
Faszination Nurflugel text on flying wings documents changes in designs. Lacks key theory but is otherwise a bargain at ~$20.
- 90 Apr,
Slates, Jerry,
More on installing pushrods in fuselages. Here larger models are covered. constructing partial formers and setting them is covered.
- 90 Apr,
Jones, Gordon,
Obechi comes in single sheet & is strong & light. Apply best with tape. Spray adhesive doesn't seem to work here according to Gordon.
- 90 Apr,
Cope, Gene,
Detailing the cockpit and pilots. Make doll clothes duplicate fabrics look up insignias, instrument positions etc. Look for details.
- 90 Apr,
Reynolds, Randy,
New Mailing Address: F3B USA, 122 E. Uintah St., Co.Springs, CO 80903 Latest change is hopefully last for a while.
- 90 Apr,
Palmer, Rick,
IMS-Pasadena show is reviewed. Several new models were shown.
- 90 Apr,
Slates, Jerry,
More on the IMS-Pasadena Show.
- 90 Apr,
Byers, Wil,
The Tri City Soarers International R/C Scale Fun Fly '90 is promoted It looks like a very nice event is taking place.
- 90 Apr,
Simons, Martin,
Part 2 Section 2 on Sources of Drag. The drag budgeting is discussed. The advantages of a good model are discussed.
- 90 Apr,
Radioglide 90,
Radioglide 90 entry form and a description of the event is covered.
- 90 May,
Murray, Lee,
RCSD Database available from Bears Cave BBS (24 hr/day)
- 90 May,
Mcolgan, Don,
Masters of S. Tournament results: McGowan, Koplan, Wurtz, George & Edberg Very close results & novel format (4 for 22 min, variable landing points)
- 90 May,
Welwood, Bob,
John Clarke's video on foam cutting and bagging offers advanced tips. Only $10 + 3 P&H 911 Covert Av., New Hyde Park, NY 11040
- 90 May,
Kuhlman, Bill & Bunnie,
Contributions of Ken Bates are reviewed. Ideas on design reviewed. No dihedral desired. Stability comes from more sweep. References.
- 90 May,
Harger, Jim,
Testing for improvements with turbulator strips by only doing one wing. Look for turning and changes in trim settings.
- 90 May,
Byers, Wil,
The Casio #510 altimeter wrist watch is discussed. Will hold max altitude. 13,120 ft max altitude and alarm functions in addition to chronograph ftns..
- 90 May,
Slates, Jerry,
Use Dremel router tool for spar slots in foam wings. Custom sanding blocks Save by using light spackling vs Model Majic which costs lots more.
- 90 May,
Soar Valley Soarers,
Very little weight savings found for using litespan vs solarfilm. Ideas for weight savings given.
- 90 May,
Simons, Martin,
Vortex drag is discussed along with RN effects. Clark Y still good - L.Spd Wing size shown to be a major effect in comparing performance.
- 90 May,
Slates, Jerry,
Los Banos Fun Fly photos & Review & directions to beautiful slope sight More photos on page 15, Good photography.
- 90 May,
Sanders, Eric,
The Vision radio by Airtronics can be modified to operate Futaba and others The change is to invert pulses. A diagram is shown. Looks good.
- 90 May,
Jones, Gordon,
The sucker kit by Composite Aircraft Engineering & Supply reviewed. A very pleased customer gets information via phone call.
- 90 May,
Anthony, Don,
Ideas for thermalling contests: Silent Timer, Novice Pilot, Opt. Duration Trimming and stability event. Plenty of ideas for having more fun.
- 90 Jun,
Morrey, Eric,
3 View plan on Prowler III design: geodesic ribs & blue foam, E193, Nice! British design, small plywood fuselage, 64 oz, 900 sq in., Alloy tube spar
- 90 Jun,
Slate, Judy,
Martin Simons is coming to California to visit Slates & meet modelers
- 90 Jun,
Scidmore, Al,
F3J contest with hand towing aids spectator enjoyment and was well received by contestants as well. Will be repeated in October of '90
- 90 Jun,
Spindler, John,
Additional modifications for Vision Radio reduces susceptibility to noise This is a follow up comment to last month's article on Vision Modifications
- 90 Jun,
Nankivil, Mark,
3 Events are described to be run during NATS this year. FIA F3E(7 Cell), RC Class A S/P Event 610 & 612
- 90 Jun,
Russel, Peter,
Brass output gears replaced on Airtronics 401 Servos 2086 Swensen Ct., SanJose, CA 95131 (408) 259-1081
- 90 Jun,
Kuhlman, Bill & Bunnie,
An Applesoft BASIC program offered to compute camber lines for wings This increases number of wings that can be used for flying wings.
- 90 Jun,
Darnell, Darrell,
Some comments about advantages of FG covered foam core wings on Falcon 880 Al tube LE, CF in TE, Joiner tubes inserted last, some details from Video
- 90 Jun,
Slates, Jerry,
Rohacell PROPERTIES, sources key bagging supplies, canopy antistats Rohacell is polymethacrylamide foam and is innert to most solvents
- 90 Jun,
Wehofer, Chuck,
The Southwest Regional Contest for 1990 is covered. Participation is up!
- 90 Jun,
Jones, Gordon,
How to have better and bigger contests is topic of article by Gordon
- 90 Jun,
Anthony, Don,
Programable ratios switched at contests, Don's planes got damaged. Confusion at the transmitter impound + bad communications is blamed.
- 90 Jun,
Simons, Martin,
Effects of aspect ratio are discussed in a series of articles by Martin S. Computer program is used to illustrate differences in wing platform.
- 90 Jun,
Readers,
Several letters discuss the implementation of S-MTS events. Experiences! Wayne Fredette - Soar has the experience
- 90 Jul,
Underwood, Robert,
No non-narrow band transmitters may be sold after March 1, 1993. From FCC news release to the model press.
- 90 Jul,
Slates, Jerry,
Laser templates and a wing press are discussed for the const of F.Core wing LJM Associates templates now in 2 piece design for easy use with F. cutters.
- 90 Jul,
La Siera Slope Soarers,
LS-1 Slope Soaring glider with 60" span is shown in 3 views, S3021 wing 24 Oz, box type fuselage, no dihedral, flaperons.
- 90 Jul,
Kuhlman, B^2,
Properties of airfoils for full size sailplanes compared:E662,HQ35/12.29... Du86-084/18
- 90 Jul,
Murray, Lee,
Laser cut templates in upper and lower design are discussed with costs. Available airfoils are listed.
- 90 Jul,
Simons, Martin,
Part 3 deals with use of theo. polars vs wind tunnel data and wing select. Use largest wing platform, then select profile. Don't expect miracles.
- 90 Jul,
Jones, Gordon,
Gordon suggests that you read Martin Simon's book then select airfoil. Get experience with airfoil before you select it for the world beter.
- 90 Jul,
Slates, Jerry,
Flying Elec. Powered Airplanes by D. Pratt is good guide for getting into electric flight. $12.95 from Tab Books Blue Ridge Sumit, PA 1729-2191
- 90 Jul,
Heinrich, John,
Buzzard pod and boom fuselage by Dave Acker was built for use w/ Riser wing. Dave Acker, Precision Foam Cores is source for kit.
- 90 Jul,
Vasgerdsian, Greg, et.al.,
Tri-City Soarers ...Scale Fun Fly is reviewed. + 8 Points on Drag Reduction. Flying plus symposium on model soaring. Excellent photos by J.Slates
- 90 Jul,
Voss, George,
The design of wing bags (covers) is discussed and shown. Can be made by most modelers or wives.
- 90 Jul,
Gewain, Gail,
Husband & wife start company to supply vacuum bagging supplies. Composite Structures Technology P.O. Box 4610, Lancaster, CA 93539
- 90 Jul,
Anthony, Don,
Ideas for fun fly are listed: bomb drop, aerobatics, landing circle
- 90 Aug,
Teo, Jeremy,
Achieve aileron differential by moving the zero position of servo arm.
- 90 Aug,
Jones, Gordon,
Gordon enjoys flying Aquila designs very much and has 2M to 120" versions
- 90 Aug,
Kuhlman, B^2,
Comments on E230 airfoil, FW airfoil developments, FW Bibliography Project Penumbra update.
- 90 Aug,
Anthony, Don,
Roll of dice duration contest idea suggested for fun fly. (see V7 #8)
- 90 Aug,
Cope, Gene,
How to make a light wheel is discussed. Use foam ala Dave Brown design
- 90 Aug,
Murray, Lee,
The Casio model 376 watch calibration is checked and features reported. Sampling is every 9 sec. up to 5 minutes. Temperature sensitivity a problm
- 90 Aug,
Smart, Mike,
Raven SC20 design with ailerons is shown in 2 views, Slope or Thermal. 8-9 oz/ft^2 32-36 oz, British design, part of several in a series
- 90 Aug,
Simons, Martin,
Coverage of large scale thermal duration contest in Waikerie, Australia. Nice photographic coverage and ideas for US contests. Several launch modes
- 90 Aug,
Reiffer, Ray,
Ideas on how to find lift and what kinds of lift exist. List from gravel pits and pine trees. Wait for lift over hot areas.
- 90 Sep,
Mellor, Michael,
Sanding block design is shown w/ cork sides & easy changing of paper. uses 3/4" wood with .25" cork sides and 3/8" dowel grove
- 90 Sep,
Jones, Gordon,
Ophthalmologist can help select the best sun glasses. Wing color ideas. Look at other's models to select best combinations.
- 90 Sep,
Kuhlman, B^2,
Review of Walter Panknin's presentation at the MARCS Soaring Symposium Listed LJM Associates for Flying Rainbow program
- 90 Sep,
McGowan, Ray,
A disconnecting switch for winch batteries is illustrated with source Bathurst, Inc. Box 27 Tyrone, PA 16686, $12.95
- 90 Sep,
Reiffer, Ray,
Techniques for flying in vortices, bubbles, columns, waves & slope soaring Controversial aspects to his ideas.
- 90 Sep,
Dodgson Designs,
Saber design is shown in 3 views & discussed on p 12, SD7037 w/ airfoil 14:1 AR, 121" span, 1030 sqin, 70 oz, FG fuselage, obechi skin, for Vision
- 90 Sep,
Simons, Martin,
Understanding T.S. sailplanes, Pt 3 discusses accuracy needs of wings SD6080 by Murray & Hohensee used as an example of accurate wing.
- 90 Sep,
Harding, Greg,
Greg takes Martin Simons to issue with turning radius as a function of WL Martin agrees in principle but in practice wing loading increases radius
- 90 Sep,
Darnell, D.O.,
1990 NATS comments + tapes of Selig & Donovan talk and Legend SP constrn. Building the Airtronics Legend tape to be produced soon.
- 90 Sep,
Cagan, Myron,
A book by Mitch Poling rated above several others listed in this article. Zeneth Books has this 76 page book @ $10
- 90 Oct,
Slates, J^2,
RCSD announces that with this issue there will be more pages in RCSD. List of sailplane enthusiasts in your area available from RCSD.
- 90 Oct,
Slates, Jerry,
Composite belcrank made from pattern and mold is described and illustrated. Jerry uses molding board with two part liquid rubber molding material.
- 90 Oct,
Kuhlman, B^2,
Proj. Penumbra at proof of concept stage is looking good for speed, therm. stabilty and durability. Longer spar, sheeting found to be improtant.
- 90 Oct,
Morrey, Eric,
Open Soarer by Richard Yates has 141" Span, 12.3 oz/sq ft, E193 Airfoil Blade spoilers, polyhedral design for thermal soaring. Discussion on pg 6
- 90 Oct,
Anthony, Don,
Pushrod design is shown for use with long fuselages. Good temp. stability 1/8" wood dowel runs through nylon outer guides and uses aluminum joiners.
- 90 Oct,
Simons, Martin,
Understanding Thermal Soaring Sailplanes, Pt. 3 Camber & Thickness 2 most important features of an airfoil. Lift is a function of camber
- 90 Oct,
Kamffer, Gert,
Aluminum litho plates used to make wing spars with 2 L shapes. Only one L shape spar was needed in tip panels. F3b launches were possible
- 90 Oct,
Stevens, Peter,
Advantages to hand towing are listed with information about modifications to existing equipment for the task. Good article on the subject.
- 90 Oct,
Jones, Gordon,
Description & rules given of F3J contest with comments about experience. Launching of heavy sailplanes does not require olympic effort.
- 90 Oct,
Hulme, Alan,
Features of a good scale powered slope model are listed. Construction tips. Loading target 16 Oz/Ft^2, good tail moment arm, low drag are some features
- 90 Oct,
Metze, Scott,
Description of Tempest kits & ARF models are shown. Costs $227-$488. Scott is an expert in the use of composites and part of Rutan's company.
- 90 Oct,
Metze, Scott,
Jack Chambers AF designer and professional model builder discussed JC Airfoils shown and information about getting in touch with him.
- 90 Oct,
Byers, Wil,
Vinylwrite has new stencil product which is paint resistant. .5 - 5.25" Proofs available. Complete instructions for use are included.
- 90 Oct,
Palmer, Rick,
Komet kit by Am. Sailplane Design @$70 is a durable good flying model. Balsa sheeted wing and f/g fuselage construction.
- 90 Oct,
Slates, Jerry,
Old Buzzard's Soaring Book by Dave Thornburg is recommended as good and informative reading. Pony X Press, 5 Montecicello Dr., Albuq. NM 87123
- 90 Oct,
Garrison, Paul,
Illustrated Ency. of Gen. Aviation good source for information about F.S. size
- 90 Oct,
Slates, J^2,
A Picture Postcard History of U.S. Aviation by J. Lengenfelder @$12.95 Collection of p.cards. Almar Press, 4105 Marietta Dr., Binghamton, NY 13903
- 90 Nov,
Slates, Jerry,
Reference given to source for wing rods and vacuum wing press. Also Chuck Anderson's airfoil plotting program is discussed.
- 90 Nov,
Anderson, Chuck,
Plotting programs for Commodore, IBM, Macintosh, Atari & Amiga computers available from Chuck Anderson. See Sources Database
- 90 Nov,
Kuhlman, B^2,
Coordinate sets for 3 John Yost airfoils are given. EH-1.0/9, 1.5/9 & 2/10 Used for constant chord wings of no or slight taper of <,= 20 deg
- 90 Nov,
Stevens, Peter,
Detailed instructions for launching using hand towing are given. Discuss communication rules ahead of time, keep antenna away from model.
- 90 Nov,
Jones, Gordon,
Gordon recounts visit with Martin Simons and his wife in California. Martin likes models to experiment with aerodynamic concepts.
- 90 Nov,
Simons, Martin,
Part 3 Understanding Thermal Soaring Sailplanes is continued Clark Y is compared to FX63-137 and NACA 6409
- 90 Nov,
Rosner, Kurt,
The Magic Wand RC channel analyzer by Jim Hauser is discussed/reviewed. The analyzer may be a major asset for clubs to use at field. $500
- 90 Nov,
Byers, Wil,
The X-347 computerized TrX by JR is discussed. Alternative to Vision Features of mixing may be greater than offered with other equipment.
- 90 Nov,
Metze, Scott,
Whale Fin Tempest by Scott Metze is shown in 3 views. 60", 9 Oz/Ft 18 Oz, 288 sq in, 12.5 AR, 29" fuse, 2 channel (ailerons & Elevator)
- 90 Nov,
Abell, Bruce,
Polyester Chiffon has been used to cover wings for many years. Advantages include less thermal expansion than shrinkable films. + light turbulence
- 90 Nov,
Byers, Wil,
Torrey Pines Scale Slope Soaring Fun Fly is covered with photos. Attraction = Competition, Leisure, Learning, & Comraderie
- 90 Nov,
Gray, Jim,
US team will be Jolly, Perkins, Wurtz & Dawson as alternate. B. Blakeslee was CD at compet. SMTS/F3B board listed. Rules discussed
- 90 Nov,
Anthony, Don,
Ideas for fun events are listed: Balloon Tag, L/R turn only, Can Jackpot Ideas are useful in creating fun events vs standard competitions.
- 90 Nov,
Palmer, Rick,
More photos and information about Torrey Pines Scale contest.
- 90 Nov,
Jones, Gordon,
Gordon reminds us that the rules for AMA competition are in the AMA rules and the MAA rules. Newcomers can learn about contests by reading rules.
- 90 Dec,
Slates, Jerry,
T-tail / H. stab mounting problems are addressed with a design tested by Jerry through several years of experience. Molded CF/Epoxy components
- 90 Dec,
Kuhlman, B^2,
The ASM-LRN-007 designed for Re between 250K and 500K in theory looks good. The design is for large models but is untested as yet. Look is unusual.
- 90 Dec,
Jones, Gordon,
Small servos are compared by size, power, and weight but not price. Users are wanting metal gears in servo's although this may be unwise.
- 90 Dec,
Weston, Frank,
Magic design by shown in 3 views & discussed, Schumann FX-60-100 wing, 138 in. A cumputer designed model with promising performance claims.
- 90 Dec,
Simons, Martin,
The design of the 'Magic' kit by Frank Weston draws comments from M.Simons Modern construction methods, good design, Schumann platoform, T-Tail
- 90 Dec,
Weston, Frank,
A course is offered by Frank on the use of vacuum bagging for making wings. Cost is free with purchase of kit. Registration cutoff is 12-15-90
- 90 Dec,
Cope, Gene,
Instructions on constructing a model from a 3 view drawing. PWS-101 glider Some suggestions for scaling the plans are given.
- 90 Dec,
Simons, Martin,
PWS-101 1/4 scale model by M.Simons is topic. Construction notes included Waclaw Czerwinski's original flew in 1936. Wing contains transitioning AF
- 90 Dec,
Byers, Wil,
Scaled down airfoils do not operate as well as an airfoil designed for that application having the target thickness. Theo. comparison is made.
- 90 Dec,
Metze, Scott,
Versions of the Tempest are described in more detail than earlier article 1.25M-R.E./JC-18 1.5M-R.E./JC-19 2.0M-R.E.A/JC-22 S.W.Exp/JC-16 52" span
- 90 Dec,
LSF,
New address given: LSF, P.O. Box 517 Winfield, IL 60190
- 90 Dec,
Murray, Lee,
RCSD database is available in forms for IBM computers. Contact L.Murray LJM Associates, 1300 Bay Ridge Road., Appleton, WI 54915 (414) 731-4848
- 90 Dec,
Slates, Jerry,
...Mid-America '90 ...Nats & Selig/Donovan talk tapes reviewed. D.Darnell Interviews with competitors, views of models, and talk by Selig/Donovan.
- 90 Dec,
Burr, George,
George is putting together an F3J newsletter - topics listed Write George at 1614 McCarthy Blvd., Wausau, WI 54401
- 91 Jan,
Spicer, Richard,
Synergy 91 is shown in 3 views on cover and discussed. 117" span SD2048 Schuemann planform, loading=12-20 oz. AR=13.1:1 975 sq in shoulder ht wing
- 91 Jan,
Fraser, David,
Theoretical polars by Frank Weston on the Magic is challenged but no details were provided. RCSD advises caution in using the info.
- 91 Jan,
Slates, Jerry,
Arrow shafts are used to make T tail mounting devices which are strong The aluminum shafts may are best in this application. 1/8" steel wire used
- 91 Jan,
Kuhlman, Bill & Bunny,
Z Turbulator strip source from Hobby Lobby. Lobo Kit for $50 discussed. 71 inch span. Has small body for servos.
- 91 Jan,
Simons, Martin,
Synergy manufacturing site is visited. Some details of construction given Rich Spicer and Richard Tiltman are partners in RnR business. Milpitas CA
- 91 Jan,
Russo, Guy,
A format for a variable max time event are discussed. The points awarded are variable. 50 flight points separate 5 7 and 9. Landing points decrease.
- 91 Jan,
Byers, Wil,
Logic given to determining the flying conditions at a slope. S6062 A/F Elements of the fun associated with slope soaring are discussed.
- 91 Jan,
Jones, Gordon,
A description of the LSF program is given and information about members.
- 91 Jan,
Stevens, Peter,
Knots for winch lines are illustrated and discussed. An important topic Other ideas for care of winches are given.
- 91 Jan,
Stump, Mike,
Troy Lawicki design has enjoyed success in NATS in other contests. S3021 S7037 S7032 airfoils have been used. Launches and flying is V good.
- 91 Jan,
Jones, Gordon,
A hatch design is illustrated with spring release. Looks good "T" is design puts a wire outside the hatch for opening.
- 91 Jan,
Simons, Martin,
Pt 3 of Understanding Thermal Soaring Sailplanes. Clark Y is exceptional Minimum sink rate of minimal use when comparing similar airfoils.
- 91 Jan,
Scidmore, Al,
A review of the Sept 90 contest and equipment used in Madison WI discussed.
- 91 Jan,
Morris, Pancho,
The Texas National Tournament (TNT) was discussed. 28 flyers competing
- 91 Jan,
Darnell, D.O.,
Video on the Airtronics Legend and Falcon 600 are now available from MCV Some information about the Visalia Soaring Contest.
- 91 Jan,
Sperger, Greg,
Greg makes comments about how to determine the wing area and loading Technique uses paper to make a scale wing and then measure paper basis wt.
- 91 Jan,
Gewain, Gail,
Unique products offered by Composite Structures Technology are listed. Teflon coated glass cloth with bleader felt applied makes fine texture
- 91 Jan,
Slates, Judy,
Questions answered about requirements for articles in RCSD. Disks files IBM or Macintosh formats, photos (B&W or Color). Printed articles ok.
- 91 Jan,
Breardsley, Rich,
California Slope Racers has elected Rich Beardsley as first chairman. R. Beardsley, 2401 Country Lane, Santa Maria, CA 93455
- 91 Feb,
Slates, Jerry,
Good illustrations & instructions on aero-towing are given. High wing model ideal with towline attached to top of wing.
- 91 Feb,
Clarke, John,
First Step training tape shows beginners those finer points not discussed in instructions. $19 911 Covert Ave. New Hyde Park, NY 11040
- 91 Feb,
Kuhlmen, Bill & Bunny,
Raven flying wing, plank design, is discussed along with claims of thermal ability. Dave Jones model. Also shown in Model Builder.
- 91 Feb,
Morris, Pancho,
Features of 100" Ehecatl sailplane are illustrated. Good ideas about construction are listed.
- 91 Feb,
Reiffer, Ray,
Ray discusses how a 1/5" Sperber flew. Tight turns were not a recommended however the model flew well in larger thermals. The L/D was impressive.
- 91 Feb,
Simons, Martin,
Clark-Y compares well to modern airfoils in theory and in practice. The airfoil should be built according to Clark Y's coordinates.
- 91 Feb,
Byers, Wil,
Etiquette - an important part of the hobby often too neglected. Relates to safety, keeping flying sites, friendship within clubs, public image.
- 91 Feb,
Glithero, Iain,
Raven SC20 by Mike Smart Designs with F/G Fuse and sheeted wings. <20 Hr construction time required. 32-28 OZ. 2M design
- 91 Feb,
Jones, Gordon,
Contest without wind proved to be work for contestants and helpers. Good instructions on epairing F/G fuselages are made.
- 91 Feb,
Simons, Martin,
A description is given of the Viking Cup slope race in Buxton in October. Details of strategy are given.
- 91 Feb,
Overton, Tom,
A hot box is made from a 400 watt heating blanket and a 75 watt bulb. the bulb controlls temp inside a cardboard box for curing F/G wing skins.
- 91 Feb,
Murray, Lee,
RCSD database part 1 discusses the database of references and sources. the value of the information is shown w/ instructions on how to use it.
- 91 Feb,
Paden, Tom,
Measuring wing area for SMTS contests can be done electronically. Tom gives details if you write. 100 N. Whismnan Rd., Mountain View, CA 94043
- 91 Mar,
Slates, Jerry,
Perseus scientific sailplane notes and remotely piloted vehicles or RPV's Bill Siruru's book on subject, Tab Books, Blue Ridge Summit, PA 17294-0840
- 91 Mar,
Kuhlman, B^2,
Dave Jones' Blackbird 2M wing recommended as 1st F.Wing for people w/ ail. experience. Thermals well and has beter performance than Raven.
- 91 Mar,
Dvorak, John,
Bob Periman is South Bay's good samaritan spends time training and flying Wife, Bettyanne has been a supporting partner.
- 91 Mar,
Morris, Panchio,
Crow with Airtronics Champ. 7 is achieved with Airtronics mixing modules. Other mixing functions are available for Flaperons, V-Tails, Elev-Spoiler
- 91 Mar,
Jones, Gordon,
Andersons Model Design Software is evaluated and the funtions described. Program can create a plan for a F/G fuselage plug. Also modifies airfoils.
- 91 Mar,
Eames, Stan,
Slope soaring adventure ob Stan & Sal of N.E.Sailplane Products is told.
- 91 Mar,
Jones, Gordon,
Wal-Mart sells rubber gloves. Fishing supply store can give you spools. Baking Soda doubles for microbaloons.
- 91 Mar,
Vasgerdsin, Greg,
50 minute video shows sites in CA, WA, OR, CO, HA & Australia. Scale ships shown. $25 Mark Foster, 926 Oneonta Dr. S.Pasadend CA 91030
- 91 Mar,
Simons, Martin,
Flaps is subject of Part 4 of Understanding Thermal Soaring Sailplanes. Use + for thermalling and launching and reflexed (-) for speed
- 91 Mar,
Beardsley, Rich,
Slope Racing practiced in california and in an official AMA event.
- 91 Mar,
Slates, Jerry,
IMS shown in Pasadena. Jerry talks to sailplane product vendors and passes on useful information.
- 91 Mar,
Byers, Wil,
Photos and comments about originals of classic scale gliders are included. Leters and photos from readers showing sites in MI, IN, WA.
- 91 Mar,
Stump, Mike,
1990 AMA Soaring Nationals in Vincennes, IN is reviewed in good detail.
- 91 Mar,
Winiecki, Don & Paden, Tom,
More discussion of using electronic integrators for measuring wing area on sailplanes for SMTS competitions.
- 91 Apr,
Varah, Dave,
Elite 100s standard class model design is shown in 3 views. Rib constrn. polyhedral design has 795 sq in., 11.5 Oz/Ft^2, E193 section
- 91 Apr,
Slates, Jerry,
Instructions are given on how to make one of a kind fuselages in F/G Plug is made from styrafoam and sanded to shape, glassed and foam dissolved
- 91 Apr,
B^2,
Airbrakes are needed for the fast wing designs. Guidelines are given to design optimum system. Hinge at 40%, 5% of wing area, 1/3 of span.
- 91 Apr,
Jones, Gordon,
A flying seat is shown which converts R/C control to pilot like controls. A joy stick is linked to the two control sticks on a transmitter.
- 91 Apr,
Simons, Martin,
Understanding Thermal Soaring Sailplanes - Part 4 talks about turbulation separation bubbles, boundry layers. SD8000 polar used as example.
- 91 Apr,
McCalmet, Chuck,
2M sailplanes best for young modelers. Good tips on training techniques are given. Safety and preparidness are stressed with good reason.
- 91 Apr,
Byers, Wil,
Models often chosen for wrong reason. Consider limitations: site, your personality and flying style when selecting next model. S2062-slope racing
- 91 Apr,
Champine, Bob,
Push pull designs are recommended for low friction & slop, high accuracy light weight. Several illustrations of designs are shown.
- 91 Apr,
Stump, Mike,
The Duck design includes foam wing design with flaps and ailerons S3021 model with F/G fuselage. Design by Troy Lowicki
- 91 Apr,
Marshall, Peter,
More on the IMS shown with comments about Ninja, Samural, Duralene, Coyote, Hobie Hawk to be made again! Jaguar, Cheetah, Lynx, Xingu
- 91 Apr,
Slates, J^2,
List of sources is given for slope soaring products with comments about function and name of products. Excellent!!
- 91 Apr,
Murray, Lee,
Part of Lee's article on databases for articles and sources in RCSD describes downloading information from a BBS and getting it onto a computer
- 91 Apr,
Abell, Bruce,
Dragonfly with forward swept wings shown in 3 views. Polyhedral design high A/R fin Wing transitions from 12 root to 8% at tip
- 91 May,
Slates, Jerry,
Background info. & sources for making models using thermosetting resins and reinforcing materials. Also info about Soaring Symposium Notes
- 91 May,
Kuhlman, B^2,
Basic program written in Applesoft and IBM Basic for computing wing twist and CG placement for flying wing designs. Free for $2 postage
- 91 May,
Murray, Lee,
Casio altimeter watch temperature sensitivity is defined. Caution to insulate is made. Also removing band instructions.
- 91 May,
Reiffer, Ray,
Snail shell thermal pattern noted with clear skies and light winds. V. strong thermals noted w/ very high altitude. Electric launching helps.
- 91 May,
Sile, Jack,
BARCS club organization and program explained. British Assoc. of RC Soarers F3J contest format used. Competition in regional contest basis of champion
- 91 May,
Jones, Gordon,
PC-Soar program is reviewed and illustrated. Program has features allowing evaluation of airfoils, model designs, polar data graphically shown.
- 91 May,
Simons, Martin,
Part 4 of 4 part article on understanding thermal soaring sailplanes Parasitic drag only important at high speeds. Flying wings have own problem
- 91 May,
Byers, Will,
Review of special considerations in slope soaring. Speed causes precise control to become a requirement.
- 91 May,
Welwood, Bob,
Diary of a Slope Soarer gives interesting article about the activity of several days in his life having to do with soaring and life.
- 91 May,
Stump, Mike,
'91 Toledo Model Show is covered from a sailplaner's point of view Photos of booths are interesting. Airtronics Infinity radio announced.
- 91 May,
Stump, Mike,
Rules for Multi-task soaring are listed. These will be used at the NATS other information also provided about this compeition.
- 91 May,
Stevens, A.B.,
knot design are illustrated for joining broken lines or connecting to fixtures. Barrel know and blood knot compared.
- 91 Jun,
Slates, Jerry,
Altimeter circuit of French design is available from RCSD in French. Terry Edmonds provided article.
- 91 Jun,
Slates, Jerry,
Jerry announces the start of a series of construction articles on building a model for the beginner which will become more complex with time.
- 91 Jun,
Murray, Lee,
A leading edge gauge made from a plot of the airfoil and 5 mil Mylar provides a reference for final sanding and correction of L.E. shapes.
- 91 Jun,
Kuhlman, B^2,
Tailless Aircraft, Their Layout and Qualities by Nickel and Wohlfahrt provides perhaps the most information about RC flying wings. Source given.
- 91 Jun,
Jones, Gordon,
Falcon 600 is reviewed with construction hints and flight evaluation. S3021->S3014 wing 10.4:1 AR 40 Oz, 9.6 Oz/Ft^2 Loading, $140 kit
- 91 Jun,
Davis, Ashley,
Spring Soaring Spectacular April 13-14 in Greenville, SC is described High Country S.S. provided the organization at W.Carolina R.C. Club field.
- 91 Jun,
Simons, Martin,
Understanding Thermal Soaring Sailplanes part 4 deals with tail prof. drag and the requirements as defined by Moment Arms and Tail Volumes. +Biography
- 91 Jun,
Simons, Martin,
Remarks about scale contests, launching problems, other preventable accidents such as ejecting your battery on launch.
- 91 Jun,
Byers, Wil,
Retraces by Gene Cope are effective and really scale in every way. Plans for Ka3 model are available from C.H. Chatsworth.
- 91 Jun,
Sleggers, Ed,
Virtually every producer of high performance models is working on an electric version of his model. These models will perform well.
- 91 Jun,
Deis, Frank,
A catapult launch is shown under development which is the answer to launching on short fields to get launches of 100-150 ft. Creative!
- 91 Jun,
McGolgan, Don,
Masters Soaring Championship results shown along with equipment description Airtronics Vision very popular, Legends and Falcons also prevalent.
- 91 Jun,
Slates, J^2,
A profile of Bob McGowan is given telling of his interest progressing from control line, to free flight to RC sailplanes where he has excelled.
- 91 Jun,
N.E.Sailpane Products,
Alcyone is a 121 in. model made with plywood and balsa using rib constrn. based on Chuperosa design that did well in '91 NATS.
- 91 Jun,
Soaring Stuff,
Airfoils to Go is a book of airfoil shapes that can be used to make models the product is described by the supplier. (505) 898-1129
- 91 Jun,
Slates, J^2,
Sources for information are listed including BBS numbers and special interest groups and seminars and workshops.
- 91 Jun,
Slates, J^2,
The results of the RCSD readers survey are presented. Thermal >2M >Slope >X-C >Scale >HLG >Slope? >F3B >Flying Wings >Aero-Tow >F3J >F3E
- 91 Jun,
Beardsley, Rich,
California Slope Racers at Miguelito Canyon and Los Banos covered. Next race is at Hughes Hill (Loyola U.) Good picture of slope activity in CA.
- 91 Jun,
Carr, Pete,
Using Silicon RTV on a wing saddle will prevent Nylon wing bolts from being sheered on low impact landings.
- 91 Jul,
Slates, Jerry,
Designing a Sailplane pt 2 deals with setting up incidence for the airfoil The airfoil selected is S-3021 an improved E-205.
- 91 Jul,
Slates, Jerry,
Denny Darnell of Model Construction Videos issues construction tape on the Legend.
- 91 Jul,
Kuhlman, B^2,
Unidirectional and bidirectional cloths give special properties. Application notes are given. Also JR 305 servo gear notes
- 91 Jul,
Stump, Mike,
Snow fly in Michigan is discussed with plenty of additional notes.
- 91 Jul,
Slegers, Ed,
Falcon 600 is modified for use with Keller 35/5 electric motor and 7 cells Instructions given for how to do the modification. Sources quoted
- 91 Jul,
Slatges, J^2,
Johny Clemens, AMA president 71-78, has his biography given in brief.
- 91 Jul,
Jones, Gordon,
NAA and FAI, their purposes and functions given: Records, Rules, Promotion FAI -> NAA -> AMA -> Clubs
- 91 Jul,
Maiers, Greg,
Dragonfly & S. Dragonfly models are discussed along with flight character. Both kits are wonderful and have a high Fun Factor.
- 91 Jul,
Collins, Taylor,
Building servo's into foam wings can cause problems. Taylor has a good solution to the problem by attaching servo to the cover and mounting cover.
- 91 Jul,
Simons, Martin,
Part 4 of Understanding the thermal soaring sailplanes deals with the horizontal tailplane and stability.
- 91 Jul,
Byers, Wil,
Quabeck 1.0-9 gives excellent speed results. Airfoils compared. Visit to H.Stokely and B.Champine - Excellent Allegheny Mtn. site.
- 91 Jul,
Satterlee, LeRoy,
The Alcyone Unl sailplane id discussed. Has features wanted on modern ship. Schumann planform, rib construction, S3021, designed like large Chuperosa.
- 91 Jul,
Murray, Lee,
The dangers of flying on stormy occasions (lightning) are discussed along with suggestions for safety.
- 91 Jul,
Great Northern Model Eng.,
Tow hook provides generous 1.5" of movement and cost only $2.5. Made of sheetmetal.
- 91 Jul,
Model Maniacs,
A database for RC Modeler is given which is similar to RCSD database gives references to articles on a variety of topics.
- 91 Aug,
Raley, John,
Vintage Sailplane Regatta, coverage of 4th Annual Vint.Sailplane Regatta with photos of DFS Habicht, Grunau Baby, Albatross, Schweizer I-26, TG2-8
- 91 Aug,
Slates, Jerry,
Designing a sailplane Pt III continues with info on cutting stack of ribs Using Cyano Acrylate glues also described for rib wings.
- 91 Aug,
Kuhlman, Bill & Bunny,
Serbe Krauss' Tailless Aircraft... test is discussed. 122 pages historic as well as informative articles on development of flying wings.
- 91 Aug,
Simons, Martin,
Pt 4 of 4 continued. Balance, trim and vortex drag are subjects of this section. Non-lifting tails produce models with lower total drag.
- 91 Aug,
Cope, Gene,
Instructions are given for donstructing scale spoilers. .025" aluminum and fiberglass is used with brass tubings for spoiler dog bones.
- 91 Aug,
Byers, Wil,
Description of the reasons for thermals is given and for when the air is stable. Lapse rate is defined and described as being very important.
- 91 Aug,
Slegers, Ed,
Some discussion on converting models, Falcon 600, Swift, Chuperosa-popular WACO 7-570 by weston is 38 oz and climbs out in 15-20 sec. Performance +
- 91 Aug,
Morris, Pancho,
A description is given on techniques for getting the most height from a launch. Throw straight, steep climb, transition, line release & climb
- 91 Aug,
Jones, Gordon,
LJM Plywood templates are reviewed and given good marks for achieving accuracy. Teflon tape added to laser cut 3/8" plywood.
- 91 Aug,
Murray, Lee,
Western States Soaring Championship '91 is reviewed with photos and descr. of trade fair items.
- 91 Aug,
Smith, Cliff,
Good thermal soaring experience in Alabama is discussed
- 91 Aug,
RCSD,
Sources listed in this issue: Seminars, Reference Materials, BBS's Special Interest groups.
- 91 Sep,
Abell, Bruce,
How to handle high starts in blackberry bushes and reason for addiction to hobby. Challenge! Very well written!
- 91 Sep,
Slates, Jerry,
Installation of releasable and adjustable tow hooks and options discussed. Sources given and illustrations, photos shown.
- 91 Sep,
Davis, Ashley,
Soaring the Low Country is about thermal soaring in the Carolinas
- 91 Sep,
Simons, Martin,
Stabilizer function and profiles are discussed. A dead spot may exist in the lift curve of symmetrical stabilizers of moderate thickness.
- 91 Sep,
Byers, Wil,
Dave Wood's slope ship with reinforced bagged wings is described and shown Spectra cloth used on tail surfaces for lightness. Wing has no spar.
- 91 Sep,
Kuhlman, Bill & Bunny,
Flutter and the causes of it with the Penumbera 2 flying wing is discussed Ideas for prevention (stiffening) are shown. D-Structures in wing help.
- 91 Sep,
Slegers, Ed,
Converting small gliders is shown. Astro .035 with 5 cells works well on Chuperosa. Hard wire to save weight of connectors.
- 91 Sep,
Collins, Taylor,
Instructions for use of winches and retrievers is given. Advantages over highstarts is also discussed.
- 91 Sep,
Jones, Gordon,
Instructing a new pilot and points that need to be made. A must for a new instructor.
- 91 Sep,
Deis, Frank,
Limitations and requirements for launching by elastic catapult To get a 400 ft launch on a 36 oz Talon requires >150 mph launch.
- 91 Oct,
Murray, Lee,
Sealy Constellation is fitted with electronic altimeter for altitude record attempt and for performance comparisons with theory.
- 91 Oct,
Fouquet, Chris,
Pacifica slope aerobatics contest report is given. 7 contestants Sponsored by San Fransisco Vultures.
- 91 Oct,
Brengman, Delbert,
A canard design is discussed with special requirements for the canard design. Dihedral in the canard is needed for stability.
- 91 Oct,
Slates, Jerry,
Test bed model is completed. Photos and stats about weight etc. given. A/R=14:1, AF=S3021, Span=120", H.Stab NACA-0010, V.stab=NACA-0005 G=85oz
- 91 Oct,
Aho, Craig,
Photos and story from Eagle Butte - Tri-Cities WA area Photos of vintage models ASK-18, Salto, Habich.
- 91 Oct,
Simons, Martin,
Pt 4 of 4 continued. Effect of Wing Camber, Tuck Under, V.Tail drag, Fuselage and drag, angle of incidence vs attack.
- 91 Oct,
Kuhlman, Bill & Bunny,
More on canard design and notes about Enalpria #18 model by Bill Kubiak Notes about CG location and tow hook location noted.
- 91 Oct,
Deis, Frank,
Instructions given on improving your landing scores at contests. Plan height and position by time before landing.
- 91 Oct,
Jones, Gordon,
Viking Special Edition Fuse is matched with cores, constructed and flown. HQ3/11 chosen w/ SD8020 stabs. The performace was excellent.
- 91 Oct,
Slegers, Ed,
Thermal Eagle by Mark Allen was evaluated and thought to be excellent. Flight Light Composits model. SD8000 AF, 62 oz, 9.7 oz/ft^2
- 91 Oct,
Palmer, Rick,
Lobo flying wing kit by Steve Steidl is built and tested. Instructions on first flight at slope and off high-start were informative.
- 91 Oct,
Bayard, Bob and Squires, Dave,
Steel wing rods are compared and calculations made about the force during launch based on wingspan of model. Good article comparing to carbon rod.
- 91 Oct,
Dvorak, John,
Bob Bayard is profiled. He is a Psychologist and has PhD in Physics Likes to discuss technical matters with RC glider pilots.
- 91 Oct,
Byers, Wil,
Cape Blanco, Oregon has a US Govt slope soaring site which is ideal for family vacation with beautiful flighting and sight seeing.
- 91 Oct,
Chun, Gregory,
Grecko Technologies describes their Modi 900 model which was created using CAD technologies. RG-15 or S3021 airfoil ARF or kit.
- 91 Oct,
Layne, David, et.al.,
Saturn 3.0 composite sailplane is described by builder. HQ2.5/9 78 oz 13.1:1 AR 11.47oz/in^2, 980 in^2, 117" span $500 + S&H
- 91 Oct,
Edberg, Don,
F.Y.I. quiet Flight from Dynamic Modeling is announced. A complete list of hard to find parts and major suppliers as well.
- 91 Oct,
Darling, David,
The first F3J contest in Czechslovokia was held on 7-27&28, '91 Interesting account of a contest in area where Westerners rarely go.
- 91 Nov,
Slates, Jerry,
Test bed model is competitive, try surfing shops for composite materials FYI Quiet flight by Don Edburg is available (714) 552-4922 $19.95
- 91 Nov,
Slegers, Ed,
Options for electric motor power are listed. Marine motors, Keller (thin), Astro Motors, and car motors with 18-20 turns.
- 91 Nov,
Selevurakis, John,
Author shows several photos and descriptions of good flying sites. Point of the Mountain, Utah is featured.
- 91 Nov,
Simons, Martin,
Understanding Thermal Soaring Sailplanes, Part 4 of 4 parts Continued Interference drag, control surface drag, intended and unwanted is covered.
- 91 Nov,
Kuhlman, B^2,
Red Tail flying wing design is reviewed. Veneer over foam, 82 in span, 22oz with fiberglass pod. Construction is very rapid. design by Willie Bosco
- 91 Nov,
Deis, Frank,
Hints as to planning your landing approach incl. being at places of height and position at particular times. Wind affects when downleg turn is made.
- 91 Nov,
Knight, Sherman,
Scorpion design by Mike Fox. Construction hints are made kit is still in development stage but quality of parts is good and complete. F/G fuse
- 91 Nov,
Jones, Gordon,
Part one of Foam Wing Construction covers preparations, planning, wing press Special tools are listed such as gauge block separators for the press.
- 91 Nov,
Reiffer, Ray,
A scale motor glider is shown which uses a .26-4 stroke O.S. surpass engine
- 91 Nov,
Byers, Will,
Theories for how sink rate relates to flight speed are given. There is room for some discussion as I believe L/D appears to be preceived as SR.
- 91 Nov,
Woods, Graham,
A carbon fiber wing joiner construction is shown using aluminum channel. This looks like R&R wing joiner. Square in X-Section with dihedral.
- 91 Nov,
Lohre, Chuck,
Weston Magic is discussed by a happy customer. Comparisons are made with full size models.
- 91 Nov,
Jarel Aircraft Design,
A product announcement says this V tail model has plastic fuse, foam cores, will launch from winch or use electric for under $80. Impulse from JADE
- 91 Nov,
VMC Flight,
VMC Model 20 retriever is discussed - video is available, (800) 973-0364 This may be one of the few designs which will work consistently.
- 91 Nov,
Scott, Brian,
Graupner MC radios with microprocessor is to be marketed in England 81 Victoria Rd, Netherfield, Nottingham NG4 2NN, England
- 91 Nov,
Stults, Tom,
Program for computing monoplane, biplane, tailless aircraft or gliders parameters is listed for $19 + 2.5 P&H 2504 Del Rio, Yukon, OK 73099
- 91 Dec,
Raley, John,
Author takes us through his Mexican Slope Safari: Rosarito, Cantamar Dunes Punda Mesquite, Punta Salsipuedes, Punta Banda & La Bufadora in Baja
- 91 Dec,
Slegers, Ed,
900 ma 2/3 sub C nicads give higher performance than sub C. + Best charger. Sanyo 2/3 sub C SCR grade best. HLG can use 1/2 sub C w/ 0.5 Cobalt motor
- 91 Dec,
Kuhlman, B^2,
Penumbera.4 swept, constant chord wing is discussed. Extra cloth and carbon fiber increases tortional strength. Launching method discussed.
- 91 Dec,
Jones, Gordon,
Pt 2 of Foam Wing Construction discusses mounting skins, spar construction, joiner boxes, wire troughs, control linkages, etc. Very good article
- 91 Dec,
Simons, Martin,
Launch and landing in wind and weather is discusses. Wind variation with altitude means you should understand implications on your model.
- 91 Dec,
Urwyler, Layne,
Saturn 3.0 kit discusses the features in their composite kit priced at $500 HQ 2.5/9, ARF design, must cut out flaps, ailerons, install LE and radio.
- 91 Dec,
Byers, Wil,
Reynolds number is defined as pVR/u. Significance on model's performance is given. Flying too slow causes increased drag and posibility of stall.
- 91 Dec,
Lehman, Robin,
Swiss aerotow scale event is documented with good pictures and story. Radios were more sophisticated w/ 5 frequencies. Contact listed.
- 91 Dec,
Dies, Frank,
Night Flying was done by attaching light sticks to wing tips and under the nose of the model. No bright lights are permitted. Instructions given.
- 91 Dec,
Mattingly, Barry,
Peregrine high tech sailplane kit is described by manufacturer. SD7037, 120" span, 11-12.6 oz/in^2, AR=14.3:1, 971 sq in
- 91 Dec,
Satterlee, LeRoy,
First Annual SIG/Eastern Iowa Soaring Society Contest reviewed
- 92 Jan,
Sandrioni, Hugo,
Photos of Hugo's projects and his participation in DUST club of Gardena CA. DUST field is best place to fly in S. CA according to Hugo
- 92 Jan,
Kuhlman, B^2,
Nanosaur Flying Wing is discussed w/ 13.5 inch chord, 122 inch span, 20 deg sweep with winglets covering last 75% of wing tip. Area:1620 sqin
- 92 Jan,
Kuhlman, B^2,
Charts are supplied to compute wing area and wing loading only knowing weight, span, and average chord. Bigger printing of chart is available.
- 92 Jan,
Morris, Pancho,
A low cost wing incidence meter is shown. It is similar to Robart model but can be made with simple materials.
- 92 Jan,
Slates, Judy & Jerry,
RCSD circulation reaches 1500. Distribution of subscribers is described.
- 92 Jan,
Simons, Martin,
The nuances of model flight in wind is discussed. Very helpful! Variation of wind speed is depicted + turbulance due to topographical features.
- 92 Jan,
Lohre, Charles,
Pilgrimage to Wasserkuppe shown in photos and described from experience. Useful items for doing this for yourself.
- 92 Jan,
Woods, Graham,
The chemistry and history of materials used in model construction discussed Kinds of Glass fibers, carbon fiber, Kevlar, Spectra & Dyneema, Quartz
- 92 Jan,
Slegers, Ed,
New models by flight-Lite Composites are described. The models are not quite ready but 60 in 28 oz 6 cells 05 motor are features.
- 92 Jan,
Byers, Wil,
Making vacuum bagged wings in cold rooms. FX-60-126 Airfoil of Month. Also Soaring Museum in Harris Hill NY also described as good place to visit
- 92 Jan,
Anderson, Norman,
NASA article on crescent shaped wings is abstracted for models. Higher lift with less pitching moment is advantage seen for these wings.
- 92 Jan,
Jones, Gordon,
Foam Wing Construction Pt 3. Wing joining, cutting troughs for tubes or wires, spar using Dremel router or sanding tool. Soda straws - wire trough
- 92 Jan,
Jones, Gordon,
MaxSoar performance analysis program is reviewed and compared to PC-Soar Airfoils and Sailplanes are compared. MaxSoar given high marks.
- 92 Jan,
Slates, Judy & Jerry,
New products: Fiberglass fuse for Alcyone, Pro heat guns, gapless hinges plug in wing servo connectors.
- 92 Jan,
Anderson, Chuck,
Data Sources are listed for airfoils and polars for airfoils. References are exact enough to obtain copies from literature sources.
- 92 Jan,
Siposs, George,
Two training devices are described for a beginner. both suspend the model so that action of rudder and elevator can be seen. Crashproof!
- 92 Jan,
Porter, Jim,
Modifications to Frank Dies catapult launch idea are offered. Cable vs chain, quick-links, spike to hold the main pole while setting cables.
- 92 Jan,
Schwerin, Alan,
91 NATS photos and information about the contest and contestants. Many different models shown.
- 92 Jan,
Olsen, Pete,
4th Masters of Soaring to be flown in March '92 is for LSF level V flyers and Level IV flyers with Level V competitive requirements met.
- 92 Feb,
Pearson, Phil,
Pivot was tested with SD7037, E387 & SD8000. SD7037 performance excellent. Used David Fraser performance analysis program which showed same trend.
- 92 Feb,
Stall, Gordy,
Gordy soars on west side of lake Michigan. Correct wind is not common. Gordy's models are shown including scale ASW-24 and Schwietzer.
- 92 Feb,
Slates, Jerry,
Using protractor to measure deflection on flaps and ailerons is shown.
- 92 Feb,
Kuhlman, B^2,
Function of rudders and elevons on flying wings is covered. Hinging and connection of two rudders with one servo is shown.
- 92 Feb,
Slegers, Ed,
Sources of parts and equipment for electric launching listed including speed controllers, small motors, sailplanes.
- 92 Feb,
Smith, Frank,
Flying in Australia is topic of article with plenty of photographs. GB.2b, GO.1 Wolf, Grunau Baby 2B, ASK-18, ELFE S-4, Kestrel
- 92 Feb,
Baker, Bill,
Comments on learning to thermal soar looking for the signs: birds, dust, movement of grass and trees.
- 92 Feb,
Jones, Gordon,
Foam Wing Construction Pt. 4 deals with covering for strength and ease of application Obechi, balsa, carbon fiber tow, F/G cloth reinforcement.
- 92 Feb,
Able, Bruce,
All the various options for launching are listed including Aero-Tow, slope Hand Launch, Highstart, Winch, Hand Towing-nylon monofilament preferred.
- 92 Feb,
Woods, Graham,
Making spars in place in foam wing is described using carbon fiber tow and epoxy resing. This looks like it could be very fast and do the job well.
- 92 Feb,
Simons, Martin,
Model responses to flying in turbulent air is described. Very Helpful! Helpful to recognize situation one is in when model pitches.
- 92 Feb,
Dies, Frank,
Computer used to analyze how to find the best decolage (angle of wing/fuse) Also the range of elevator trim is predicted from this analysis. Good!
- 92 Feb,
McCann, Tim,
Landing skids with several designs are available from Tim McCann P.O. Box 8155, Stockton, CA 95208
- 92 Feb,
RnR Products,
RnR announces first X-Country model with molded wings. 10.5 Lbs/180" wing. $800 RnR Products 1120 Wrigley Way, Milpitas, CA 95035
- 92 Feb,
Byers, Wil,
Basic rules for slope soaring are listed along with comments about formats for the contests.
- 92 Feb,
Julien, Pierre,
Spirit 100 kit was modified with flat wing, ailerons & flaps General kit was very good in quality and documentation.
- 92 Feb,
Davis, Ashley,
Southeastern Championships by High Country SS reviewed w/ standings. 2M Harris, Blanchard, Watson, Std Harris, McDonald, Morrow Unl Blanchard
- 92 Feb,
Smith, Scott,
A launching method with a short line gets people equal launches. Rules for the proposed modification suggested.
- 92 Mar,
Jones, Gordon,
The construction and flight of Saturn 3.0 kit by Layne/Urwyler is discussed This is a very complete article on this model. F/G Fuse, Foam Wing
- 92 Mar,
Berry, John,
In Malverne, Vicotria, Australia John uses a Piper Pawnee 1/4 scale to launch his models. Safety advantage over winch for large models.
- 92 Mar,
Murray, Lee,
Getting young people into the hobby is topic of this article. Ideas incl. Static shows, videos and books in library, intro. to club, group talks
- 92 Mar,
Kuhlman, B^2,
Stability of models is discussed including C.G. and reflexed airfoils. Literature references given for further study.
- 92 Mar,
Simons, Martin,
Stability, CG, Neutral Point, control of oscillation, thermal detection. These are topics of importance to the thermal soaring student.
- 92 Mar,
Marshal, Peter,
Slope soaring on Maui at Kahakuloa Head is discussed and shown in photos. Directions to site are given and a contacts are listed.
- 92 Mar,
Frame, Gene,
Instructions for small parts holder are shown. Fuji film holders are used.
- 92 Mar,
Deis, Frank,
Part 2 on trimming a model for CG trim. Plane pulls up fast from dive without pilot correction - CG too far forward.
- 92 Mar,
Woods, Graham,
Petranadon ingens is compared to slope soaring RC sailplanes. Interesting From Biomechanics of Pteranodon by C.D. Bramwell & G.R. Whitfield Royal Soc
- 92 Mar,
Slegers, Ed,
Chuperosa has 3 airfoils, E214-slower high lift section, SD4061 faster and launches higher, SD7037 - best overall low sinkrate. N.E. Sailplanes Kit
- 92 Mar,
Moris, Pancho,
Legend modifications: sheeted bottom, front wing bolt tied to spar, harder wood used in critical spots, Nylon bolts replaced by steel + other items.
- 92 Mar,
Siposs, George,
Free lead weights from auto alignment shop. Chopsticks for repairs, Winch turnaround from bicycle hub improved with larger hub.
- 92 Mar,
Byers, Wil,
Instructions on inspecting the site, wind direction, landing options, bushes, trees, rocks, lower landing site.
- 92 Mar,
Simons, Martin,
Camperdown, Victoria, Australia near melbourne may be perfect S.S. site. Scale Thermal Soaring at Waikerie also discussed.
- 92 Mar,
Micro Tek Products,
Multiple pack field charger is current regulated and switches to 0.01C rate after 15 hours of charge. $129.95 w/ Futaba plugs $95 w/o
- 92 Mar,
Weston, Frank,
Case for electric launching is made. Ft/Min = 210*Cells/Oz. Optimum model = 7 cells, 9.6 oz/ft^2, 15.6 oz airframe, 560 in^2, 37 oz total wt.
- 92 Mar,
Johnson, Bob,
100 minute club rules are detailed. Beginners get into hobby w/o stress. Experience with the format makes this a good program for new flyers.
- 92 Mar,
Stump, Mike,
LSF Soaring Championships for Vincennes in July look like an alternative to East Coast Nats for many.
- 92 Mar,
Danrich, Daniel,
Cooperation in the development of others is superior to competition when the goal is self gratification. Genuine concern for others pays benefits.
- 92 Apr,
Tinker, Brian,
Funny story about retrieving his model from the slope after things go wrong with the wind and recovering the model.
- 92 Apr,
Simons, Martin,
More on flying in wind. Do not confuse air speed and ground speed. Strong argument against upwind-down wind pitching theories.
- 92 Apr,
Jones, Gordon,
Gordon describes trimming of sheeting, alignment of panels, cutting out ailerons and flaps, making servo wells, control horns, and wire runs.
- 92 Apr,
Gilbert, Doug,
Safety for crowds: Qualify flyers (landing skills, flight skills, insurance) Model (24 oz max, 10 oz/ft^2, >min nose radius, wings mounted in rubber)
- 92 Apr,
Byers, Wil,
Landing and final approach considered. Rotors, wind angle, turbulence condition of surface of slope all factors in getting it down safely.
- 92 Apr,
Savoie, Steve,
One design slope plane, Sea Hawk model will be discussed and instructions given for its construction in the next three article.
- 92 Apr,
Slegers, Ed,
Electric Falcon is described. This is a report on work in progress. The electric Chuperosa with .035 motor and 6 cells is being developed.
- 92 Apr,
Kuhlman, B^2,
Pitch stability is described and compared to conventional designs. Eppler 220-230 series is well fitted for this purpose.
- 92 Apr,
Dies, Franks,
Frank describes hot to establish trim for minimum speed and maximum L/D Minimum speed allows controlled landings in wind without turning.
- 92 Apr,
Aho, Craig,
Dodgson Anthem with SD7037 is a Lovesong update. Computer radios required. Carbon fiber spar, obechi skins, 74 oz 134" span, 1075 in^2
- 92 Apr,
Morrison, Dan,
Goldberg Sophisticated Lady modifications are enumerated. Flying stab slotted flaps, wing profile was modified.
- 92 Apr,
Murray, Lee,
A vacuum feed through fitting design is shown and described. Leaks are minimized and bags can be easily sealed.
- 92 Apr,
Jentsch, Ed,
Spirit 100 construction tips are noted which offer improvements and corrections to original notes.
- 92 Apr,
C.R. Aircraft Models,
Contender 2M sailplane announced, Aerobatic 17-24 oz/ft^2 with pivoting wing. This is a product announcement
- 92 Apr,
Siposs, George,
A control system which functions on a rotating wire bent at 45 degrees. allows for clean and precise operation.
- 92 Apr,
Gray, Jim,
Ing. Ferdinando Gale' book Aerodynamic Design of Radio Guided Sailplanes Dual language book. Text appropriate includes airfoils, designs, equations
- 92 May,
Jentsch, Ed,
Ed suggests that F. Deis article on trimming and decolage advise adjusting decolage during building and final adjustments made with CG.
- 92 May,
Kohkohl, Mike,
35 CC engine powers a small winch described briefly. Centrifugal clutch + large muffler is also light and powerful.
- 92 May,
Nehring, Curt,
Sex Wax used on surf boards keeps flying stabs on their rods. Support for F3E team via T Shirt sales is promoted.
- 92 May,
Murray, Lee,
Help requested for logo for 100 minute club
- 92 May,
Selig, Michael,
Death of David Fraser, coauthor of Airfoils at Low Speed is announced Aviation accident near Wheeling, W Va. is cause.
- 92 May,
Kuhlman, B^2,
A Summary and interpretation of an article appearing in J. of Aircraft discusses factors to be considered in optimizing a design.
- 92 May,
Murray, Lee,
A vacuum system design is shown including a vacuum switch, ballast, check valve, and vacuum gauge.
- 92 May,
Simons, Martin,
Excellent article on wind and wather proves that stability problems of flying in wind are mental more than physical.
- 92 May,
Condon, Steve,
RNR Nova is reviewed. FG/Foam Wing, Egg shell stabs, Flight performance is excellent as shown by winning history of model.
- 92 May,
Jones, Gordon,
Specifics on the materials needed to construct a winch are given. Alternatives for low cost materials are included.
- 92 May,
Dies, Frank,
Lateral sideslip stability is described so one can evaluate a model's stability with and without ailerons.
- 92 May,
Condon, Steve and Valdes, Al,
After 8 year lull, Ca Slope Racers compete at Torrey Pines. RNR Nova wins divisions 1 and 2.
- 92 May,
Slegers, Ed,
'92 Wrams show slightly smaller but with electric models well represented.
- 92 May,
Byers, Will,
Hover Approach to landing works well in high winds. Landing damage is minimized. Hill and lip characteristics also mentioned.
- 92 May,
Raley, John,
Fuselages can be constructed using foam and wood. The foam is then removed with tools to make nice semi-scale models.
- 92 May,
Young, John,
Question is posed "How does a glider fly through air in zero gravity?" Answers to be judged and compared to actual test on space shuttle.
- 92 May,
Johnson, Wildey,
Excellent Article on recognizing and using thermal lift. Tail rising and increased speed are good indicators of lift.
- 92 May,
McColgan, Don,
Joe Wurts wins 1992 Masters of Soaring. Charts showning landing accuracy and radios used is interesting. Legend or Falcon and Vision radio popular.
- 92 Jun,
Reynolds, Bob,
A new BBS appears in Lakewood CA. Slope-Tech with 130 registered users. (310) 866-0924. Contributors from Hawaii, Canada, and both coasts.
- 92 Jun,
Gray, Jim,
Getting Started is the title of Ace R/C book with plenty of good hints for the flyer who is relatively new in the hobby.
- 92 Jun,
Kuhlman, B^2,
Dieter Paff's PN9f design is discussed with double tapered trailing edge and strainght leading edge. Rudder extends past TE. Slope flight only.
- 92 Jun,
Simons, Martin,
Flying in wind and weather continues with logic about turning in wind. Why does model jump up after completing a down wind turn?
- 92 Jun,
Deis, Frank,
Selecting the proper flight path is important to your success in contests Improper patterns will have you flying through the dead air seen earlier.
- 92 Jun,
Simons, Martin,
What it takes to compete in scale competition is listed in this informative article. You must have some drawings and photographs. Sources listed.
- 92 Jun,
Eames, Stan,
Cape Cod - the Sequel is the subject of this second trip to a Cape Cod slope soaring vacation among family and friends.
- 92 Jun,
Slegers, Ed,
A change in the NATS this year kept Ed from competing with this electric Falcon. The logic used by AMA is questioned.
- 92 Jun,
Jones, Gordon,
Comments about Chuck Anderson's upgrade for his popular plotting program. New program is backward compatible.
- 92 Jun,
Byers, Wil,
A list of European suppliers are listed on page 35-37. Instructions and warning for ordering is given. Know your shipping costs.
- 92 Jun,
Moris, Pancho,
Buget winch pedal should eliminate problems with failed selenoids since it uses just brass, springs, wood and a hinge.
- 92 Jun,
Siposs, George,
History of gliding is told from prospective of someone who saw some of it happening. George tells of his trip to Europe and his experiences there.
- 92 Jul,
Willouby, Dale,
Dale tells of his association with modeling, FAI, LSF, Windspiel Models, Scale Model Research. He looks for help in timing F3B speed events.
- 92 Jul,
Simons, Martin,
Martin takes issue with the desirability of neutral stability settings for competition models. MS prefers to have the CG further forward.
- 92 Jul,
Moran, Rich,
Humorous story from Madison WI club about accidents experienced with learning to slope soar and getting into it. Good article!
- 92 Jul,
Kuhlman, B^2,
Elevon mechanical mixer design is shown for Rattler model design. Will work on most models requiring mixing of ailerons and elevators.
- 92 Jul,
Foster, Mark,
Author gives us a partly ficticious story about flying his models and talking with his scale pilot who thinks the R/C pilot skills stink.
- 92 Jul,
Jones, Gordon,
A versatile trailer was constructed by Henry Bostic which holds his whole stable of models and launch equipment. Helps to get winches onto fields.
- 92 Jul,
Woods, Gram,
Technical articles about how it may be possible to climb and gain airspeed at the same time due to wind gradient. Stretching landings, or distances.
- 92 Jul,
Munkesoe, Morten,
Global postal contest for Sep 27, 1992 is described. Rules given. Two servos, 2M, High Start 6 kg max pull, Each round has 3,4,5,6,7 min.
- 92 Jul,
Slegers, Ed,
Electric Breeze is given good marks in performance, SD6060 wing from Douglas Aircraft Models. (213) 498-1737
- 92 Jul,
Greco Technologies,
Modi 900 w/ molded wings developed. Minimum effort to finish - less flash. Arrow shaft hinges used in wings. See sources for address of Greco Tech.
- 92 Jul,
Byers, Wil,
Northwest Slope Soaring Research Associates is organized to solve questions regarding performance of lagre scale models. Members are listed.
- 92 Jul,
Smith, Scott,
Experiences with first annual IMA Mini F3J contest. Ideal for 2M models.
- 92 Aug,
Silverado Soaring Soc.,
Formenbau und glasfasertechnik fur flugmodelle by Peter Holland provides diagrams for making canopies, reparing f/g fuselages and moldings.
- 92 Aug,
Simons, Martin,
First soaring occurred at Wasserkuppe byu schoolboys in 19911 and 1912. First contest was held in 1920. Correction to earlier comments in RCSD
- 92 Aug,
Willoughby, Dale,
Class 33 rules now say > Speed course now 100/200/100 meters for entry, base, and exit. Rules are available from Dale and FAI
- 92 Aug,
Pecker, Howard,
H. tells of his efforts to convince a skeptical beginner that pilot is more important than model in getting long flights.
- 92 Aug,
Kuhlman, B^2,
Adverse yaw cause and how to minimize rudder movement by differential ail. movement. V shape flying wings with elevons may need no differential.
- 92 Aug,
Simons, Martin,
Flying in wind compared to flying on an aircraft carrier & control line flt The perception of constant circles is different in wind.
- 92 Aug,
Slegers, Ed,
Chuperosa Electric developed w/ SD7032->SD7037 airfoil. 30 oz. w/ Astroflight 36 & 6 cells with ailerons.
- 92 Aug,
McGowan, Bob,
Soaring w/ ballast has advantages but how much is enough. How to recognize too much ballast. Guidelines are given.
- 92 Aug,
Sugar, Alvin,
Alvin's experience tells him that a 100M tow line offers more challenge and will improve models. Below 700 ft., thermals are weaker.
- 92 Aug,
Byers, Wil,
Coverage of 1992 Washington Fun Fly given with plenty of photographs. Discus, Schwitzer I-26, PWS-101, Fafnir, B-29, P-51, YB-49
- 92 Aug,
Able, Bruce,
Bruce describes making Reiher components from Viking Models. Model flight characteristics are described. Some corrections are noted to plans.
- 92 Aug,
Defrancesco, Sal,
Shadow by NPS is described. SD7037 Airfoil, 118" span, 10 Oz/Ft^2 Obechi covered wings with carbon fiber reinforcement, 994 sq in.
- 92 Aug,
Lavasseur, Charlie,
Merlin from Frank Weston flies very well w/ INA001 airfoil, 100 in span and 48 oz weight.
- 92 Aug,
Harden, Kale,
Best 5 scores of a club counted in international postal contest of Sept 6 Clubs mail in results of their efforts using a contest task described.
- 92 Aug,
Aerospace Composites,
Vacuum system design is shown with vacuum switch and ballast. $198 Compl. Vacuum system solves many problems when making wings.
- 92 Aug,
Slates, Jerry,
Shape of a handy template is shown for various and sundry airfoil and spinner shapes. A french curve template
- 92 Aug,
Jones, Gordon,
First part of a series on vacuum bagging talks about materials used and choice of resin.
- 92 Aug,
Jentsch, Ed,
Spirit 100 wings are prone to fold on winch. Potential causes and solutions are offered.
- 92 Aug,
Stump, Mike,
Installing servos (2 per wing) into a foam core wing. 4 pin deans connectors are recommended.
- 92 Aug,
Allen, Mark,
Flight Lite Composites is sold to Ron Vann. Production of Falcon series to continue at modern facility. P.O. Box 311, Windsor, CA 95492
- 92 Aug,
Simons, Martin,
Three accidents are recounted for our benefits so we don't repeat problem. Humorous!
- 92 Sep,
Lohre, Chuck,
Chuck has a scale bald eagle which was made with molded body and built-up wing. More to be made in this project.
- 92 Sep,
Slates, J^2,
Interglide 92 results. Great Race won by Joe Wurts, Pat Flynn, Ken Bates
- 92 Sep,
Kuhlman, B^2,
Differential ailerons and/or rudder deflection for flying wings is mathematically described.
- 92 Sep,
Simons, Martin,
Attitude of model in slope flight requires a downward pitch with high lift conditions to avoid stall. If model rises fast, attitude may be level.
- 92 Sep,
Slegers, Ed,
Surprise II (ARF) by Freudenthaler (Ger) has balsa sheeted wings w/ servo wires installed. 7-27 cells, gel coated kevlar fuse. Soarcraft mounts
- 92 Sep,
Jones, Gordon,
The creation of dihedral and root spars in foam wings discussed. A novel sub rib is described which greatly simplifies construction.
- 92 Sep,
Byers, Wil,
Large ships have high L/D ratios as well as higher speed and sink rate. They shouldn't be hand launched from a winch. ROG is proposed.
- 92 Sep,
Vasgerdsian, Gregory,
Mini-1 28.5" span, 10 oz. balsa, ply, foam cores uses 2 channel w/ ailerons 10 hours to build. Expert pilot may be required to fly this exciting model
- 92 Sep,
Child, Mark,
The design of a good club winch is described. Ford long shaft starter, Cost estimates are given at $80 includes parts and services.
- 92 Sep,
Dies, Frank,
Response to M.Simons critique of Franks dive test for CG position. R/C Pattern ships trim for level flight regardless of trim.(also symetrical AF)
- 92 Sep,
Long, Tom,
Corrections and clarifications are noted to instructions for the JR X374 radio. This radio has glider modifications which are available.
- 92 Sep,
Able, Bruce,
Polyester chiffon tape is used for hinges. Tape is coated with heat activated adhesive (Balsaright) to obtain adhesion of hinges to surfaces.
- 92 Sep,
Slates, J^2,
CST is source for unidirectional carbon fiber. Elf Engineering has obechi sheeted wings available in user selected lengths.
- 92 Sep,
N.E. Sailplane Products,
Grifter Sailplane is announced, ARF with f/g/ fuselage and gel coat. Balsa sheeted foam wings. Cost is $749.
- 92 Sep,
Able, Bruce,
Dial Cord (pull-pull) system is described. Wire control cables of a specific length will shield your receiver antenna and could cause crash.
- 92 Sep,
Riggs, Robbin,
Photos of models at 1992 11th annual Rose Bowl Soaring Festival are shown.
- 92 Sep,
Morris, Pancho,
Pancho makes a 2M legend using Falcon 600 fuselage.
- 92 Sep,
Simons, Martin,
Effects of Dihedral, aileron differential, rudder are discussed for inverted flight.
- 92 Oct,
Stall, Gordy,
Son Derek is pictured flying Mega slope of Platteville, Wisconsin. One of only a few good sights in Wisconsin.
- 92 Oct,
Siposs, George,
Flight service reports say much about conditions. Temp-Dew point/4.5 equals cloud base in thousands of feet. Also wind direction is mag.North
- 92 Oct,
Lightfoot, John,
Light servo mount provides easy installation for HLG. One screw secures tray holding two servos.
- 92 Oct,
Scidmore, Al,
8th Annual National Sailplane Symposium is announced for Madison WI on October 24 and 25th. after several years of inactivity. Speakers listed
- 92 Oct,
Simons, Martin,
A description of air movements in the atmosphere. Inversion and mixing in the boundry layer is described in detail. Good article.
- 92 Oct,
Jones, Gordon,
Gordon talks about preparations prior to pulling the vacuum. Pt3 of series Air wicking materials, wax paper, Mylar, Bag clips, Vacuum fitting.
- 92 Oct,
Young, Pete,
Answers to questions about flight path of a glider in zero gravity. Model flys an expanding helix or opening loop. J.Lightfoot & P.Jentsch winners.
- 92 Oct,
Kuhlman, B^2,
Reflex in flying planks can warp out with higher speed. Solution: inverted loop when recovery from a dive looks impossible. Connect controls to top.
- 92 Oct,
Kubiak, Bill,
Carving balsa propellers is covered in diagrams and equations. Light to medium balsa is best.
- 92 Oct,
Slates, Jerry,
Mid-South Soaring Championship is reviewed. June 27 and 28 1992 in Memphis area Soaring Society. Dates of major 1993 contests are given
- 92 Oct,
Byers, Wil,
Plenty of photos BD5J, Hellcat, Austria Elephant, Blohm-Voss BV188, ASK-13, ASW 20, Grunaubaby, P51, DG600, ASK18, ASW17, Jap Zero, P39
- 92 Oct,
Siposs, George,
Vacuum regulator is made from a water column gives 7" Hg vacuum with low cost supplies.
- 92 Oct,
Slegers, Ed,
Falcon 880 conversion to 10 cell electric is discussed. Ed is very satisfied with its performance. US F3E team is 1st in 1992 world comp.
- 92 Oct,
Slegers, Ed,
Banshee comes with a sheeted obechie wing and stab. Polyhedral has no break in covering. Servo wire traces are in and servo position are located
- 92 Oct,
Slates, J^2,
On board mixers for non-computer radios mix about everything you might think of at a small cost relative to the computer radios. Cost is minimal.
- 92 Oct,
Slates, J^2,
3M Raven by Viking Models is described. E193 AF. F/G fuse, Gull Wing very stylish!
- 92 Oct,
Bamberg, Mike,
An excellent explanation of understanding the slope, what to expect and executing launches and landings. Topographical illustrations.
- 92 Oct,
Murray, Lee,
Silent Wings by Gerard Devlin is a fascinating chronicle of the developments use and legacy of military gliders used in WWII. Photos of CG4A at EAA
- 92 Oct,
Griffin, David,
Instructions for setting up Futaba 7UAPS are clarified for launch, crow breaking, speed, and coupling ailerons, rudder, elevator and flaps.
- 92 Oct,
Thomas, Jim,
Alcyone by Leroy Satterlee and Culpepper Models is sort of a scaled up Chuperosa. It is a good 1st aileron ship.
- 92 Nov,
Bresler, Mark,
Slope soaring site photograph shows Blue Marsh Lake a few miles North of Reading PA on Rt 183. Good location for long flights and beautiful.
- 92 Nov,
Vann, Ron,
Visalia event draws 230 fliers. 18 models in air at once with no mid-airs. First place to Ben Clerx with Falcon 880
- 92 Nov,
Simons, Martin,
Excellent: Thermal convections - how they form - where & when to find them size and shapes. Models have advantage over full size sailplanes.
- 92 Nov,
Kuhlman, B^2,
Dieter Paff's PN11 design has diagonal wing design with 1 fin at rear tip. Despite problems, model flies well 960g, 8 oz/ft^2 loading.
- 92 Nov,
Jones, Gordon,
Composite wings Pt 4 continues with application of cloth and resin to Mylar and cores for skin, hinge and reinforcement purposes.
- 92 Nov,
Slegers, Ed,
Coverage of 92 Keystone R/C electric contest - largest in US perhaps. Mainly a fun fly and a display of wares type event complete with experts.
- 92 Nov,
Snead, Ned,
Ned describes in a humorous way a belt hook to hold a high start while getting ready to launch. Also a non-interfering, limp, TX antenna (wire).
- 92 Nov,
Abell, Bruce,
Design of Dragonfly model is reviewed by Ferdi Gale'. Model penetrates better than predicted. Wing is swept forward and is widest at break.
- 92 Nov,
Schwerin, Alan, et. al.,
Photo coverage of LSF nats are shown. M Selig uses new airfoil which is hybrid of S4061 and SD6080. Standings and interesting descriptions.
- 92 Nov,
Palmer, Rick,
Retractable wheel is described. 2.5x.75 in. operates smoothly with servo. Design was seen in Japaneese newsletter.
- 92 Nov,
Harden, Ken,
A spring latch mechanism is described which wuld be great for F/G fuselages Dying wood can be option to painting to keep weight down.
- 92 Nov,
Jentsch, Ed,
Ed discusses the differences between straight wing, dihedral and polyhedral wings when it comes to roll stability and flight behavior.
- 92 Nov,
Hawkins, Barry,
Ridge Writer column includes flying review of 33 expensive models including many European designs (F3b, Scale, Electric, Unlimited)
- 92 Nov,
Model and Yachts Unl.,
Model Sailboats with wheels allows RC modelers to play on parking lots.
- 92 Nov,
Aerospace Composites,
Listing of EZ-Lam products including 12 oz dispensing containers for resin and smaller containers for catalysts. Both have pumps for good delivery.
- 92 Nov,
Darnell, D.O.,
New video shows how to go about building a model from a fuselage and cores. Money can be saved over buying a complete kit. Video shown techniques.
- 92 Nov,
B.A.T.,
Foam cores are available for $10 per panel with special price for Legend type wing with small tips. (801) 571-6406
- 92 Nov,
Glass Flugel,
New models are announced and a description of models in present list of abailable products for these top of line scale models.
- 92 Nov,
Stump, Mike,
Vertigo by Brian Agnew has E387 wing, 59.75" span 14 oz/sq ft loading. Flight performance is very good and kit is of high quality.
- 92 Nov,
Raskin, Jeff,
4th annual precision slope aerobatics contest in Pacifica Californic attracts 100 people. Top 7 finishers are listed. Diagrams of manuvers
- 92 Nov,
Brabenec, Paul,
A method of casting nose weights using split shot is shown. Balance model with shot in bag, melt lead, pour into aluminum foil placed in sand.
- 92 Nov,
Sugar, Al,
A low power launch was used in texas with short line. A two speed winch is suggested for more control of launching with less power.
- 92 Nov,
Johnson, Wildey,
Ideas for making connections to high start rubber. Use wood dowel plug, insert thread loup through hole in dowel. Dowel is put into rubber.
- 92 Dec,
Stahl, Gordy,
Photo of Mining Hill in Plattville, WI where ME-163 is being flown. Pilot is Mirko Bobul who is quite active in Wisconsin slope soaring.
- 92 Dec,
Williams, W.D.,
Epoxy and cotton flox make an excellent filler for high stress areas of fuselages where joiner rods exit the fuselage and other places.
- 92 Dec,
Fogel, Gary B.,
Torrey Pines Gliderport is made a US Soaring National Landmark. The effort to keep the site protected from developlent is a deed to be addressed.
- 92 Dec,
Schwerin, Alan,
Gifted teenagers are given science training by building an RC Glider in a program in Lousiana at McNeese State Univ. with public and private funds.
- 92 Dec,
Jones, Gordon,
Pt 5 of series discusses the finishing of f/g covered wings once the wing has been bagged. Sanding methods, cutting out control surfaces.
- 92 Dec,
Simons, Martin,
Sailplane stabilizer designs are compared including considerations of thickness, turbulation, flying stabs vs hinged elevator. 7% thick. min.
- 92 Dec,
Bamberg, Mike,
Visual perception of speed and distance are discussed in a very objective and scientific way. Mike has professional background in this field.
- 92 Dec,
,
B.A.T. winch is evaluated. Product made by Bob Harman is of very high quality @ $185. It is also light and includes break.
- 92 Dec,
Kuhlman, B^2,
EH 2/12 and EH 3/12 airfoils are discussed. coordinates for both given and use for each is described as being for flying wings with aerodynamic twist.
- 92 Dec,
Ninham, Cameron,
Foam cutter uses a lever and pullies to pull the wire through at correct ratio for each root and tip chords. Equations given for use.
- 92 Dec,
N.AM.Scale Soaring Assoc.,
New North American Scale Soaring Association is being formed. Members are solicited. Power Slope; Vintage; Modern; Slope; and Thermal Scale interest
- 92 Dec,
Smith, Scott,
A self scoring form is described to take the burden off the CD and add some enjoyment to the contestants. Form is shown
- 92 Dec,
Raskin, Jef,
Jeff supports the position that a standard configuration for a sailplane is best. Other design aspects are thoughtfully considered.
- 92 Dec,
NE Sailplanes,
Culpepper Modles' Dove 2M sailplane is a minature full house sailplane which can handle from 2 to 6 servos for ultimate performance in a small package.
- 92 Dec,
Dynamic Modeling,
Sailplane computer radio comparison chart is available with bonus of Servo Conversion Chart as a bonus.
- 92 Dec,
Friant, David,
70 inch span of Thermal Grabber makes nice size for a model you take with you in case you might want to go soaring. Plenty of features included.
- 92 Dec,
Stump, Mike,
Use of products from Aerospace Composite Products is described with helpful hints for making bagged wings with skins of balsa or obechi.
- 92 Dec,
Lightfoot, John,
The importance of tow hook position is discussed along with instructions for making a simple hook from a cup hook. Find unstable point and go + 6mm
- 92 Dec,
Davis, Ashley,
Bristol Virginia soaring meet combined the beauty of the Blueridge Mts. and 1000 foot strip of mowed grass. Weather didn't cooperate much this year.
- 92 Dec,
Slegers, Ed,
Arcus by Robie is a good performing model although not the best thermalling or the fastest. It makes a good entry into electric modeling 7-10 cells.
- 93 Jan,
Raskin, Jef,
In response to the question, is there an optimim wing loading? Jef says no The need changes with conditions and within a flight.
- 93 Jan,
Selig, Michael,
Slight camber in stabs may reduce drag at low speeds. Thickness of H.Stab decreases need for size. Thinner red. Cl max but larger red. induced drag.
- 93 Jan,
Raskin, Jef,
Stabilizer type(flying or hinged) makes little difference. Flat plates have higher drag than sym. airfoils. SD8020 shows low dead band and drag.
- 93 Jan,
MARCS,
Comments on Marcs national sailplane symposium. Speakers: T.Edmons; S.Metz S.Neu; A.Doig; T.Renaud; M.Hill; Gene Chase; Martin Simons & others.
- 93 Jan,
Slates, Jerry,
Part I (Making a mold for fiberglass fuselage) takes ~80 hrs. Make plug, add dams, build tray, cut out tray, add stops, insert plug, and calk.
- 93 Feb,
Slates, Jerry,
(Cont.) Make keys, support mold with 5/8" plywood, trim edges, polish edges of access holes, polish surface with polishing compound, add feet.
- 93 Jan,
Simons, Martin,
Question: Is there an optimum wing loading? No! Because of changes in air velocity, flight speed should be adjusted to conditions.
- 93 Jan,
Slegers, Ed,
Experience with Graupner Ventus + Keller 40/10 motor gives 15-20 deg climb for 1.5 minutes. Flight Lite C. Falcon 800 Elec with T tail & RG15 airfoil
- 93 Jan,
Byers, Wil,
A review of Rolf Girsberger design objectives from Soartech 5. RG airfoils were modifications for Prof. Eppler's designs.
- 93 Jan,
Jones, Gordon,
Pt.6 of series gives some observations after making four wing pannels using slightly different materials. Suggests trying methods & using best ones 4U.
- 93 Jan,
Jentsch, Ed,
Optimum neutral stability and dive testing behavior are again explained with decalage being another way to judge if at neutral stability.
- 93 Jan,
Knight, Gerald,
Spalinger S18-][ is a good flying ship but G. uses the FX-1261 airfoil w/ symetrical tips. Flown fast there is not tip stall.
- 93 Jan,
Kuhlman, B^2,
The construction of a fast building wing is shown. Model is made of foam board 1/4 in with smooth sides. High fun/cost ratio - 1 night project.
- 93 Jan,
Tekerian, Yesso,
Anabat series slope soaring ships are described as having low sink rate and good maneuverability. Raskin WE008 symetrical section and comp. design.
- 93 Jan,
Tekerian, Yesso,
Anabat HLG uses symetrical airfoil WE008 by Jef Raskin, Kit is light weight foam - not easily damaged - no covering needed - low cost.
- 93 Jan,
Drought, Geoff,
RG15 Thermal Eagel is improvement over Falcon 880 for low weight, airfoil Can be ordered with obechi skins. Fill obechi with light spackle.
- 93 Jan,
Murray, Lee,
David Squires' AFEDIT program allows one to compare airfoil shapes on computer screen. Edited airfoil can be used in other plotting program.
- 93 Jan,
Palmer, Rick,
Rick reviews the 2 day contest he CDed in Arizona which had rain, wind calm and finally a thermal duration event of 3 for 15 minutes.
- 93 Jan,
Long, Tom,
Additional information on programming the X-347 computerized ratio with glider modifications. These provide crow configuration and camber change.
- 93 Jan,
Nicholson, Brian,
Stationary bike conversion stand for standard bike provided a way to make Brian's bike a human powered launching machine. Garilla launch you say!
- 93 Jan,
Knight, Sherman,
A contest format was made for the novice flyer which made things less intimidating for the beginner.
- 93 Jan,
Cuervo, Brian,
Composite wings can be made without vacuum. Use boards and concrete blocks together with mylar or acetate film to make good epoxy glass wings.
- 93 Feb,
Slates, Jerry,
Mold Making pt2: Application of Frekote 1711 release, BE-115 surface coat, 8 layers of glass fabric and West 105/206 epoxy & hardener (4 layers/day).
- 93 Feb,
Woods, Graham,
Reichmann's text suggests that wind sheer as low as .03 m/sec/m is good for FS glider. Suggestions for experiments w/ models are made.
- 93 Feb,
Simons, Martin,
Dynamic soaring is described in math for bird. Described by Rayleigh in 1883 when albatross could move upwind over sea without flapping wings.
- 93 Feb,
Kuhlman, B^2,
Box for wing joiner blades is described. From Alan Halleck. A slot routed in a plywood matrix. 1/16 inch blue spring steel is used. Source given.
- 93 Feb,
Jones, Gordon,
CompuFoil program by Eric Sanders provides template profiles for hot wire cutting of polystyrene foam. Many features make this a valuable program.
- 93 Feb,
Clancy, Mike,
Mike comments on the life of Tony Palethorpe, Jr. on his passing as a result of a heart attack. He was a member of Sacramento Valley Soaring So.
- 93 Feb,
Bamberg, Mike,
Servo in wing instructions use router and 1/32 ply floor + RTV. Knuckle hinges from Fourmost work well. New slope site in Hood River Oregon listed.
- 93 Feb,
Godfrey, David,
Steps: Remove release agents, sand w/ 220 paper, heavy lacquor primer, glaze compound, 360 grit paper, primer-sealer, base coat, clear coat.
- 93 Feb,
Stokely, Herk,
The Soartech series is described and prices given for back issues. This is a source of articles on technical topics. Also source of D.Fraser prod.
- 93 Feb,
Slegers, Ed,
Dave Hill's new 2M kit has moulded fuselage and E387 obechi skin wing @$200. Surprise III, Nordic III, and New Ron Vann - Flite Light Comp. model.
- 93 Feb,
Garwood, David,
Why are RC Sailplanes So Addicting? Challenging, contest with nature, blend of skill and knowledge, pure flight, rewarding, and satisfying.
- 93 Feb,
Precision Model Products,
Building boards made to last years are flat and designed to stay that way. Sure grip pins have large heads for good installation and removal.
- 93 Feb,
Slates, Jerry,
Libelle fuselage and canopy is now available from Viking Models. Jerry is back in production.
- 93 Feb,
RA Cores,
Custom wings are available at low prices from RA Cores, P.O. Box 863 Southbridge, MA 01550 (508) 765-9998
- 93 Feb,
Astro Flight,
Cobalt 90 now available has a 2 in. diameter and is 3.5 in. long. Takes 32 to 36 cells and can fly a quarter scale model.
- 93 Feb,
Richardson, Charley,
Climmax HLG was designed to win AMA events although it will do slope soaring. SD-7037 airfoil, 400 sq in. 14-16 oz. From CR Aircraft.
- 93 Feb,
Upgood, Yule B.,
66 inch Sparrow is pre-built with SD-8000 airfoil, V tail at $170 30 hours to complete, full size plan.
- 93 Feb,
Sugar, Al,
Differences in ability to perform in circling flight attributed to aspect ratio of wings. His conclusion is based on models he has built and flown.
- 93 Feb,
Raskin, Jef,
Anabat VI can be built in 4 hours and is inexpensive and fun. Rules for aerobatic competition reviewed.
- 93 Feb,
RCSD,
N. Am. Scale Soaring Soc. is proposing contest formats which would support a more active format for soaring scale models.
- 93 Feb,
Munkeso, Morten,
Results of world postal 2M soaring contest are posted with most of the winners coming from Denmark. Not a good showing for the USA.
- 93 Mar,
Slates, J^2,
Bear's Cave BBS closes. RCSD database is offered to other BBS sysops who are willing to post the files to the public.
- 93 Mar,
Slates, Jerry,
Pt. 3 of mold making deals with producing the first fuselage. Wax and buff mold, apply release agent, cut FG cloth strips, mix epoxy and add silica.
- 93 Mar,
Slates, Jerry,
Cont. 2oz cloth against mold. Mix epoxy w/o silica for other FG layers. Trim the glass on each half to allow some overlap. Combine mold & roll seam
- 93 Mar,
Simons, Martin,
Recognizing and using thermals is topic. Turn with steady bank and speed. Fly fast to return to field since you will be flying up wind and in sink.
- 93 Mar,
Byers, Wil,
Interview with Joe Wurts, World F3B Champ and Distance Record Holder. Thoughts of the design of slope racers is most of this interview.
- 93 Mar,
Slegers, Ed,
Layne/Urwyler Satern-E is under development for FAI05 motor and 7 cells. 85 in span is larger than most but model may be on the heavy side.
- 93 Mar,
Jones, Gordon,
Shadow 118 construction and flight performance is described. Gordon does a good job of telling us how the model goes together and its design.
- 93 Mar,
Siposs, George,
Hungary and Slovakia model soaring activities were reported on. Post Communist changes providing modelers with more equipment and freedoms.
- 93 Mar,
Jentsch, Ed,
Instructions on modifying a Futaba 4 ch. transmitter for Ail/Rud coupling. Also instructions for eliminating the diode for recycling the Trx batteries.
- 93 Mar,
Kuhlman, B^2,
A set of Flying Wing tasks for LSF members is proposed not requiring contest points but tasks. Too few FW contests exist to require contests.
- 93 Mar,
Johnson, Wildey,
Jupiter model is described.
- 93 Mar,
Johnson, Wildey E.,
Fuselage replacement is discussed using one of Bob Sealy's Jupiter fuses. A mechanism for flap control was installed keeping servo inside fulelage.
- 93 Mar,
Mike's Models,
One Design Racer #1 release is announced. 48 in. span 360 sq in. wing Introductory price of $50. Video for construction available for $20
- 93 Mar,
Viking Models,
Quarter scale Salto fuselage announced. 61 in long, 142.5 in Ritz 1 wing. V-tail mixing required. $135 w/o cores, $195 with wing cores.
- 93 Mar,
Zatloka, George,
Flying Buddy transmitter support is introduced which frees hands for other functions and is superior to neck straps.
- 93 Mar,
Northeast Sailplane Prod.,
Big Pink composite HLG has 36 in span, 198 sq in E386 wing, 6 oz. wt. Requires very small equipment and 50 ma batteries.
- 93 Mar,
Northeast Sailplane Prod,
Shadow is announced. 188 in span, 994 sq in SD7037 wing, 69 oz. composite sailplane. $374
- 93 Mar,
Layne/Urwyler,
Saturn 2.9T has HQ2.0/9 aifoil, aluminum wing joiner tube, 65-70 oz. obechi sheeted wings and many high tech features. $450-500.
- 93 Mar,
Future Flight,
Thermal Thing is agile, fast building 2M sailplane for $16. Rib constrn.
- 93 Mar,
Edberg, Don,
FYI, Servo conv. charts, Airfoil plotting program comparison charts, computer radio comparison charts available from Dynamic Modeling.
- 93 Mar,
Horizon Hobby Dist.,
JR credit card receivers for FM and PCM are discussed. .55*2.06*1.43 in. Uses two sided surface mount technology to achieve small size.
- 93 Mar,
Kennedy Composites,
2.9 & 4.5 oz unidirectional CF & CF/FG layup available. Obechi and black, obechi with color all the way through. Aerosil for epoxy thickening.
- 93 Mar,
USA F3B Team,
Official 1993 Team Merchandise Order Form. Shirts, Pins, Stickers, Patches
- 93 Mar,
Auserbach, Chuch & Wasserman, Alan,
Point of the Mountain in Bluffdale, Utah is an excellent flying site for those wanting to take a vacation where good flying & landing.
- 93 Mar,
Harmon, Bob,
A clinic was given by Intermountain Silent Flyers in Sandy UT on how to give a clinic on composite construction. Focus on critical steps.
- 93 Mar,
Williams, W.D.,
A hinging technique is shown which uses tubes held in place by FG tape. The hinge is comperable to a door hinge and is simple.
- 93 Apr,
Jentsch, Ed,
Use of solvents such as acetone can damace nervous system. It is also very volatile and can explode at room temperature when ignited.
- 93 Apr,
Watkins, Mike,
Hinges made of Spectra can be made easily, don't have problems with gaps. Care is needed when cutting the ailerons out of bagged wings when used.
- 93 Apr,
Woodhouse, David,
The points made about stability, decolage, CG position, all seem to have missed the point that free flight models can have CG at the trailing edge.
- 93 Apr,
Slates, Jerry,
Part IV of series in mold making answers questions not specifically addressed. Joining halves, making plugs, finishing plugs.
- 93 Apr,
Simons, Martin,
Shape of thermals and movement of air in thermals is topic of article. Circulation within thermal probably draws planes to center of thermal.
- 93 Apr,
Slegers, Ed,
WRAM '93 show is reviewed. Airtronics joins Flite Lite. Economy is improving and dealers are up beat.
- 93 Apr,
Slates, Judy,
Judy tells of her new model presents to Jerry who had not had time to change his selection of models from basically slope to Texas thermal soaring..
- 93 Apr,
Raskin, Jeff,
Jeff tells his view of the relative unimportance of wing loading. This seems like it is more a matter of point of view than a universal truth.
- 93 Apr,
Metze, Scott,
A system of dumpable water ballast is shown for scale ships. An ASW-20 and DG-600 1/5 scale was fitted with this system. A small pump used.
- 93 Apr,
Bamberg, Mike,
Frank Zaic's glider kits continue to be a great way to get young people soaring. Anabat aerobatic model reviewed. Samurai kit also reviewed.
- 93 Apr,
Kuhlman, B^2,
Authors romanticize their experiences with radios and models of the past. Citizen LT-3, Nomad, JR Century IV are mentioned.
- 93 Apr,
Wilson, Ray,
An article on Walt and Bill Good from the Kalamazoo College Quarterly is preproduced. Bill and Walt got it all going as pioneers in RC modeling.
- 93 Apr,
Jones, Gordon,
Thermal soaring in Texas varies considerably depending upon the region. Contests are well spaced around the state. Visitors welcome!
- 93 Apr,
California Carbon,
Available in CF, Kevlar, and S-Glass iron on unidirection fibers. Fibers are attached later with CA or just ironed on. New Co. of aerospace people.
- 93 Apr,
NSS,
National Soaring Society ad stating dues are $15 US and $20 overseas. Contact Robert Massmann, 282 Jodie Lane, Wilmington, Ohio 45177
- 93 Apr,
LSF,
LSF ad gives description of achievement goals and no dues policy. Contact LSF, 10173 St. Joe Rd., Ft. Wayne, IN 46835
- 93 Apr,
Viking Models,
DG-100 model kit comes with retracts and is available as fuselage or with cores at $175 and $250 plus $20 S&H. 147 inch span models 15 M wing FS.
- 93 Apr,
Northeast Saplplane Products,
Monarch DG Aerotech model has a fiberglass fuselage with pushrods attached. V tail foam wings. Micro gear is required. SD7037 11 oz.
- 93 Apr,
Northeast Sailplane Products,
A generic fuselage for Vertigo, Climmax, & Chuperosa is offered. SD7037 and E387 wings fit perfectly. Cost is $49.95
- 93 Apr,
Greco Technologies,
Pod and boom construction makes this a very nice model with minimized size of fuselage. SD7037 foam wings are obechi sheeted. 14 oz,. 5.3 oz/ft^2
- 93 Apr,
Tuk'N'Fly,
Quilted lightweight, easy to carry bags for fuselage and wings. Patterns and materials are supplied. 1035 Pintail Dr., Suisun City, CA 94585
- 93 Apr,
Windspiel Models,
Fiber Glas Flugel ASH-26, ASW-24, ASW-19, ASW-20L, Salto H101, Kimbo Std. Sithebe, DG-600 are discussed and prices given.
- 93 Apr,
LSF,
Schedule for the '93 LSF Masters of Soaring contest in Vincennes, IN F3J, F3B, HL, 2M, STD, UNL, XC, and SMT will be flown on different days.
- 93 Apr,
Woodhouse, David,
Dave describes the radio technology which is taken for granted by modelers. Information on interference and care of radios is given.
- 93 Apr,
Byers, Wil,
More information on the new NASSA organization for scale soaring inthusiasts There seems to be energy building and somethings should be happening.
- 93 Apr,
Clark, Al,
Incredible story of a childs parachute being droped from a powered model and thermalling for 32 minutes without radio control. It probably is true!
- 93 May,
Slates, Judy & Jerry,
Increase in pages from 32 in '90 to 70 in '93 in part due to contributors providing articles on C. disc. Glossy paper gives better abuse resistance.
- 93 May,
Slates, Judy & Jerry,
Marc Dufresne becomes French correspondent. Postal soaring contest promoted Northwest Soaring Society is a regional soaring group held together by NL.
- 93 May,
Slates, Jerry,
Iron on Carbon Fiber is available from California Carbon. Jerry made a spar 1.8 * 3/8 * 36 inches with carbon on one side weighing 7 grams.
- 93 May,
Griffin, David,
A 72 in. Tornado jet replica was buillt from plans by R.M.Green. E374 was used. 24 Oz/Ft^2. Flies very well on slope at Allendale, Christchurch, NZ
- 93 May,
Jones, Gordon,
Jack Hamilton and Gordon tell us about mounting servos on the cover which is mounted to the wing. This makes repairs easy and is not that difficult.
- 93 May,
Simons, Martin,
Circular movement of air in a dust devils and thermals is attributed to conservation of angular momemtum of air which is converging.
- 93 May,
Byers, Wil,
Interview with Joe Wurts continues regarding slope racing. Callers, Weight, Cost, Camber in turns, Best servo = A/T 141, 2 vs 4 man race, Best slopes.
- 93 May,
Lies, Albert,
A sanding block guide is described and illustrated which will allow straight edges to be sanded on balsa. Diagram of canopy latch is also shown.
- 93 May,
Dufresne, Marc,
Move to Europe, France, where many differences are being found. Frequency, style of equipment, models, etc. Experience to be intinued.
- 93 May,
Reith, Jim,
Jim describes how he made a bare bones slope ship from low cost materials which was slope worthy but Ungly as Sin, the name of the creation.
- 93 May,
Agnew, Brian,
Brian uses a launch and time method for finding the optimum trim settings and CG position. Flying is done at dawn in calm air.
- 93 May,
Vasgerdisan, Greg,
The wing saddle on FG models is often destroyed in slope soaring landings. Greg describes and diagrams the reinforcement needed for these models.
- 93 May,
Kuhlmans, B^2,
Toucan, swept forward design by Larry Renger was featured in Aug MAN. The model can be covered with low cost materials such as paper..
- 93 May,
Slegers, Ed,
For new interests: 2M span, RG15 A/F, 7 cell motor, 7 cell 1000 ma battery, peak detection charger, 8*5 folding prop. Several models and motors listed.
- 93 May,
Hammond, Jim,
Gliding in Taiwan is not common but the interest seems to be strong. Flying sites are rare due to mountains, trees and 10 ft. tall grass.
- 93 May,
Viking Models,
Viking models releases Kestrel simi kit of 15 and 19 meter scale models having w.s. of 167 and 187 in. Fuselage is Kevlar reinforced.
- 93 May,
Horixon Hobby Dist.,
JR X-388S fir the sailplane enthusiast has 8 model memory, 1024 resolution, 6 programmable mixers. Comes with smallest 9 ch rcvr sold.
- 93 May,
Foster, Mark,
RC Gliders Downunder is a video showing vintage R/C models, aero-towing and is very entertaining. Send $22.50 to Mark 826 Oneonta Dr. S. Pasadena, CA
- 93 May,
Goris, Greg,
A-10 Warthog kit is available from Greg for $40 + 4 for UPS shipping. construction is foam with high impact polystyrene fuselage and pods.
- 93 May,
Tekoa Center for Design,
Roger Chastain model is well designed for hard launches and performance once in the air. SD7037, 690 in^2, 9.3 oz/Ft^2, 45 oz. Sold by NESP
- 93 May,
Nichols Research,
Fantasque is all glass, ARF, flying wing capable or aerobatic flight. Model will fly on power as well. Sells for $210 retail.
- 93 Jun,
Slates, J^2,
Landowner Protection bill in CA is upheld protecting private property used for recreational purposes is immune from lawsuits. Summary Reference
- 93 Jun,
Robinson, Robin, et. al.,
Electric Turkey XC model may open a new class of soaring competition. Competitive event was invented by Pacific Area Soaring Soc.
- 93 Jun,
Friant, David,
David describes jos experience in constructing a F/G fuselage mold using Instructions from Jerry Slates. Fuselage was for HLG.
- 93 Jun,
Slates, Jerry,
Mold making tips + construction of Synergy III (ARF), adding a radio, and installing the JR X-388s complete with set-up instructions. It flies well!
- 93 Jun,
Simons, Martin,
Thermal air movement is very complex, the convective cell is subject of this article. This is a pattern of down current core surrounded by up currents.
- 93 Jun,
Condon, Steve,
Synergy III by RnR is reviewed. Steve relates his experience in learning to fly it and to do F3B tasks. His story is very positive.
- 93 Jun,
Wilson, Edwin,
Materials used in the construction and repair of golf clubs are listed. Powdered lead is very handy for trim balast. Coated braid good for controls
- 93 Jun,
Jones, Gordon,
An excellent way to mount alignment rods in foam stabs during construction The technique is valid anytime you have to make foam stabs.
- 93 Jun,
Jones, Gordon,
Continued: Make slots using described hot wire cutter. Fill slot with spackle. Put jigged tubes with wire rods into spackle. Sand, cover, finish
- 93 Jun,
Dufresne, Marc,
Marc comments on modeling in the French Aeromodeling Federation. Interesting Contrasts to US clubs. Most clubs have both power and gliders.
- 93 Jun,
Raskin, Jef,
The argument is made that a slightly up elevator should give the best glide since all of our wings are producing a negative pitching component.
- 93 Jun,
Slegers, Ed,
Good instructions on how to make solder connections between NiCads and using CA to join the batteries together after applying heat shrink tubing.
- 93 Jun,
Bamberg, Mike,
Modified rules were given for an aerobatic competition in Oregon. It was a follow the leader format with 3 attempts given each contestant.
- 93 Jun,
Bamberg, Mike,
Comments about the 3rd Annual Celebration of Silent Flight. PASS and a local power model club promote electric and glider flying.
- 93 Jun,
Kuhlman B^2,
Review of Hartmut Siegmann article in Flug und Modeltechnik. Airfoil coordinates for HS 3.0/9.0 (slope) and HS 3.4/12.0 (thermal) are given.
- 93 Jun,
Bauer, Barney,
Thermal Thing from Future Flight has a low cost kit. Some adjustment to 60 inch span is necessary, but it flies well. $16+$4 P&H.
- 93 Jun,
Bechtel, Peter,
Peter shares his slope soaring experiences and locations along the Oregon coast. Cascade HEad, Cape Blance, Hum Bug Mountain State Park on US 10.
- 93 Jun,
Slegers, Ed,
Avion generic fuselage is sell constructed and suitable for models with 7 to 8" wing chords. Has a vacuum formed canopy.
- 93 Jun,
D&D Specialties,
Shipping containers for storage and/or shipping of sailplanes. These are light weight and Post Office approved. The NEST comes in different Sizes.
- 93 Jun,
McLean's Models,
Sephyr is a composite sailplane for slope soaring and racing. Comes in dif. levels of completion. 450 in^2, 13.5:1 AR, 15-17 oz/in^2, SD7003 & 2 others
- 93 Jun,
Glidesigns,
Lance 60 ARF is good for slope and winch launch. Epoxy/glass fuselage and Aluminum tail boom construction builds in 2 or 3 evenings. 26 oz. S3021 AF
- 93 Jun,
Northeast S.P.,
Grifter E has 15 oz airframe SD7037 AF for 7 cell thermal duration. With FAI 05 cobalt motor, 7 cell battery sells for $230.95.
- 93 Jun,
Northeast S.P.,
Invader 42" HLG is A.R.F. with FG pod and boom construction. Needs 1 Hr to install radio. It is for slope soaring.
- 93 Jun,
Greco Tech.,
Hurricane 60" slope soaring racing sailplane has SD8000 AF. Area = 345 in^2 16 Oz 6.7, oz/Ft^2, Single taper wing. $80.
- 93 Jun,
Horizon Hobby Dist.,
JR 649S is smallest 9 ch. receiver made. 1.42L*2.0W*.63H and 1 oz. Surface mount technology is being used here.
- 93 Jun,
Clancy, Mike,
Good reasons to begin contest flying. Especially if you are a good flyer now. Competition brings new chalenges and enjoyment not available to most.
- 93 Jun,
Vasgerdisian, Greg,
Greg describes scope of scale movement: Sport Scale, True Scale, Power Ass. Myths include: difficult to build, too expensive, too large. Good Info.
- 93 Jul,
Slates, Jerry,
Jerry tells about his tricks in cutting foam core wings since 1960. He now uses an AMAP foam cutter, EICO-1064S power supply, and core grippers.
- 93 Jul,
Whitford, Tim,
Tim tells how he managed to crash a model in front of a whole crowd of spectators by not having the transmitter completely turned on.
- 93 Jul,
Simons, Martin,
Accounts of the Scale Soaring Assoc. of Australia meet in Swan Hill. Most modelers used aero-towing launches using 9 tugs. Improvements expected
- 93 Jul,
Simons, Martin,
Martin tells a great story about the birds including eagles at Swan Hill. Then recalls a story about testing canopies with chickens shot from a canon
- 93 Jul,
Stump, Mike,
JR-388S offers valuable features at a bargain price. 3 Modes, 8 Channels, 8 Models, Launch and Reflex presents, TE Camber, Crow, + many other features
- 93 Jul,
Slegers, Ed,
Hints on making the lightest models for electric power will make the models fly better and be more competitive. No paint, function not beauty.
- 93 Jul,
Jones, Fordon,
Keep the control rods/cables as straight as possible and attach them to the fuselage sides using foam or direct attachment for precise control.
- 93 Jul,
Byers, Wil,
All foam gliders are being made for fun flying on the slope. Strapping tape provides spar structure.
- 93 Jul,
Abell, Bruce,
Armidale Sailplane Expo report about all the various events which can take place on flat land including electric, F3b, Thermal Soaring, Scale, etc.
- 93 Jul,
Henwood, Bernard,
Various ideas used by the Sheffield flying team to make wings with aluminum tube spars for easy construction, balasting, strength with rib construction.
- 93 Aug,
Slates, J^2,
NASF/MASS 2nd annual Mid-South Soaring Championships.
- 93 Aug,
Lontz, Phil,
Account of a bicycle trek to a remote flying site in Marin Co. CA where they got some good flights in on a beautiful location, although remote.
- 93 Aug,
Love, Kieth,
A visit to Slegers International is the subject of this article. Ed has a wide selection of products and might find time to fly with you. Call first.
- 93 Aug,
Dufresne, Marc,
Paris International Modeling, Scale and Games trade show is covered. This is the largest in the world. It runs 10 days and fills the 30,000 M^2 hall.
- 93 Aug,
Kuhlman, B^2,
Hand launch model of Gale's Ubra model with vertical fins flew better without them. Explanations are solicited from the readers.
- 93 Aug,
Simons, Martin,
Instructions on slope soaring and how to select a good slope, how to avoid bad situations created by flying sites.
- 93 Aug,
Jones, Gordon,
Instructions on building servo trays in fuselages which will make the fuselages stronger and make the radio gear more resistant to detachment.
- 93 Aug,
Siler, Tom,
Blitz HL4 has 59" span, 390 sq in, 14-16 oz, SD7032, Ailerons, T-tail. Balsa and foam construction. A 125 ma battery was used.
- 93 Aug,
Reith, Jim,
Notes from a first time glider contest CD offers ideas for someone else who will be running a contest. Also good ideas for old CDs.
- 93 Aug,
Bamberg, Mike,
Pivoting wings seemed to be failing at high loads when flying fast. Be sure that pivot rods are supported well in the wing.
- 93 Aug,
Slegers, Ed,
Foam wings are often covered with obechi. Ed gives instructions for the finishing steps. Sand, remove dust, 2-3 coats of MinWax Polycrylic Clear.
- 93 Aug,
Slegers, Ed,
cont. or Flecto Varathane Diamond Finish. Apply with a paper towel over entire panel. Sand lightly w/ 400 grit, wipe off dust and repeat.
- 93 Aug,
Knight, Shermon,
Programming the JR X-347 Radio is the topic of this article. JR radio was selected because it fit his hands best and nobody in club had one.
- 93 Aug,
Jentsch, Ed,
Building foam wings are quite different than building rib wings and Ed lists many of the details that nobody ever told you before you got into it.
- 93 Aug,
NASSA,
Guidelines for tasks within the N. American Scale Soaring Association America
- 93 Sep,
Slates, J^2,
the 1993 FAI Sporting Code has been printed and is available from AMA. It is up to date on all rule changes dnd proposals for clarifications.
- 93 Sep,
Slates, J^2,
Proposals include F3B working time, F3J and F3I (aero towing) changes. It is up to date on all rule changes and proposals for clarifications.
- 93 Sep,
Nicholson, Bryan,
Brian shares the activity going on in his local club and talks about his 60" flying wing which he loves to fly. Come and visit - write first!
- 93 Sep,
Sheldon, John, et.al.,
Slope soaring at El Campo del Pajaro Planeador in New Mexico. A story of one of the best sites in the South West. Politics threatens its existance.
- 93 Sep,
Byers, Wil & Slates, Jerry,
First NASSA scale rally in Richland, WA attracted people from all over the USA. From scale seagulls to combat jets and modern gliders - it came.
- 93 Sep,
Jones, Gordon,
Selection of personal sunglasses and optimum color schemes will improve your ability to see your models and reduce damage to your eyes from looking up.
- 93 Sep,
Slegers, Ed,
A listing of winners in 7 cell, Unl cell, F3E, Old timer, HLG, Unl, 2M, Std, Unl-Sr, 2M-Sr. & Std-Sr. Well known names show up in the listing..
- 93 Sep,
Gray, Jim,
On the Wing - the book by Bill and Bunny Kuhlman, a bound compilation of flying wing articles is dedicated to Walter Panknin & his Flying Rainbow.
- 93 Sep,
Condon, Steve,
Renegade 60" slope racer is also good for general slope soaring. It is fast and agile, and very strong. Available from CR Aircraft.
- 93 Sep,
Kuhlman, B^2,
Martin Hepperle airfoils generate lift with less drag than equivalent Eppler sections. Flying wing airfoil coordinates for MH45, 60, 61, 62 & 64.
- 93 Sep,
Morris, Pancho,
A stand is made from an old styrafoam cooler or box which allows the set-up with a computer radio to be made when flaps drop below fuselage.
- 93 Sep,
Simons, Martin,
A wide variety of models can be flown in slope lift. Special requirements exist for launching, flying and lenading. Options are discussed.
- 93 Sep,
Johnsin, Wildey E.,
Ideas on improving horizontal stabilizer control systems are given. This has many ideas for low weight, strength, and adjusting decalage.
- 93 Sep,
Murray, Lee,
An evaluation of model size and its effect on performance is given. Statistics on 500 flights is given to support that larger models fly best.
- 93 Sep,
Michaelis, Harley,
Direct aileron drivers allow a very clean way to drive ailerons without protruding control horns. A bent (45 deg) wire is rotated in a slot.
- 93 Sep,
Off, Ted; Zaic, Frank; Whitford, Russ,
Proposed answers to why CG's for free flight models are so far rearward. Most answers have to do with the need for a wide speed range.
- 93 Sep,
Raskin, Jef,
Thinner vs thicker sections at wingtips - no clear answer. 8 deg of sweep doesn't cause yaw-roll coupling. Don't believe claims without proof.
- 93 Sep,
Woods, Grahm,
Greg Lewis flew Ellipse when dew was forming. The dew formed in a pattern on the wing. Question is posed. Is this the result of separation?
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Slates, J^2,
Michigan International Soaring Soc. flying site location is given. A brochure for prospective members is available with address given.
- ,
Bowlen, Clark,
Clark questions why forward CG caused Falcon 550E to fly and handle so poorly? If turning is an indication of trim is this a way to set CG?
- ,
Vasgerdsian, Greg,
Greq requests information on where to set the pivot point for "T" pivot rods for full flying T stabilizers.
- ,
Stahl, Gordy,
Electric Flight - U.K. quarterly newsletter is only one totally electric Magazine comes with membership in British Electric Flight Assoc.
- ,
Vasgerdsian, Greg,
Greg talks about his 1/5 scale partial Rhoenbussard kit from Viking Models. Greg applied some enginuity to install top/bottom spoilers & other mods.
- ,
Kuhlman, B^2,
Walking Beam control system for single direction movement of wingtip rudders is described. The device was protected by a patent which is now expired.
- ,
Jones, Gordon,
Gordon rediscovers high start launching and relays the secrets to good launches. He also gives part numbers for Ford long shaft starters.
- ,
Harden, Kale,
K-mart stool and tool box recommended. A very nice F3B fuselage is described using 45 deg glass, Kevlar and carbon fiber.
- ,
Brabenec, Paul,
Low cost slope scale models are available from House of Balsa. P51 and ME-109 are available in anniversary kits. Suitable for slope soaring.
- ,
Simons, Martin,
Soaring in variable lift, catching thermals on the slope, using lee waves. Where waves occur, which can be used by modelers.
- ,
Friant, David,
A push rod made from brass tubing, 1/16" music wire, shrink tubing and clevices allow the rod to change length before the servo gets stripped.
- ,
Slegers, Ed,
Solid state speed controllers do more than one function and are described in this article. Specific models are compared.
- ,
Slates, J^2,
World Championship Results show USA team in 3rd and Joe Wurtz in 2nd. Winning team is Germany. Winning Individual is Denis Duschesne, Belgium
- ,
Cope, Gene,
Gene builds a 1/6 scale Slingsby T-53a from scratch. The fuselage is made in foam then glassed. Flight performance is fast but very good considering.
- ,
Gray, Jim,
Book by Ferdinando Gale' Structural Dimensioning of Radio Guided Aeromodels Book contains material data, formulas, and charts to allow ...Continued
- ,
Gray, Jim,
structural design of models. Chapters on Materials, Loads, Stresses, Wings Fuselages, Conversion Table and Bibliography. Sold by B^2 Streamlines.
- ,
Dufresne, Marc,
Marc describes his efforts to prepare a Pulsar model for a French F3J contest. Rules of competition were different w/ discard rounds. Cont.-
- ,
Dufresne, Marc,
Launches were better than winch launches. Strong fuselages are needed due to abuse during landing. Several models will land at once.
- ,
Murray, Lee,
Sailplane Flight Times as a Function of Launch Methods, Wind Speed and Time of Year is topic of this statistical analysis of 600 flights.
- ,
Raskin, Jef,
Thoughts on "Model Builder" article by John Papillo regarding forward sweep. Advantages and disadvantages are listed.
- ,
Kuhlman, B^2,
Deep cycle batteries are better suited. New Die-Hard models provide visual indicators of charge and electrolyte level. Old batteries require more H2O.
- ,
Schmidt, Jerilyn,
'93 Int. Modelers Show (IMS) is best shown for glider enthusiasts. Many vendors were present. Many photos in this issue and Nov. issue.
- ,
TauCom,
R/C Power Duck antennas for R/C transmitters come in 5 colors and has high output. When pointed at model, power is highest. Airtronics radios only.
- ,
Scott's Models,
Alpha Stability Program for $15 predicts CG and area of elevator needed based on CG. (805) 822-9553
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Waltz, Buzz,
Buzz W. R/C Designs is now a distributor of Big Birdy, Soar Birdy, Little Birdy, Conquistador, and Predator. (619) 327-1775
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Viking Models,
ELF 2M generic fuselage is released at $65 and weighs 7.5 oz Condor 3M generic fuselage is released at $80 and weighs 10.5 oz.
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Dodgson Designs,
Sprite fiberglass fuselage uses single seam and tacco shell methods. Tow hook is attached to the wing joiner rod. Flaperon design is shown in plans.
- ,
ICARE Sailplanes,
ASW-19 semi-scale fuselage 1:7.5 scale for scratch builder Salto H 101 semi-scale fuselage uses GOE 795 a/f (514) 449-9094
- ,
Greco Technologies,
Voltz Servos Mini-Star II and Micro-Star II servos for wings. Feature metal gears, 5 yr. warranty, horizontal mountings. (213) 344-8166
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Sugar, Al,
Poker Soaring adds a dimension of matching completed tasks as cards in a hand.
- ,
Slates, J^2,
Texas National Tournament Champion Brian Agnew is shown holding handsome trophy won at the 1993 event.
- ,
Bostick, Henry,
9th. Annual TNT hosted by Soaring League of N. Texas at U.T.-Dallas. Event winners and prize winners. Interesting accounts of activities.
- ,
Morris, Pancho,
The history of the Texas National Tournament (TNT) is recounted.
- ,
Vasgerdsian, Greg,
"Soaring Down Under" was put together by Trevor Broadbent of Australia. Includes all the variety of R/C soaring interests around the world.
- ,
Fulmer, Dan,
P-38 and ME109 look very realistic and fly well on the slope.. The 100" aeorbatic model has light loading, manuvers, and is easy to land.
- ,
Jones, Gordon,
Multi-Pin connectors for connecting aileron and flap servos to a receiver in one connector are described. Molex connectors are widely available.
- ,
Kuhlman, B^2,
Fauvel AV36 wing was flown on Harris Hill and viewed by Jim Gray. The Plane would make an excellent model and would be east to bild and transport.
- ,
Hammond, Jim,
Sanding fiberglass or paint with wet or dry paper will go better when using dish soap in the rinse water. Paper life and quality of job is improved.
- ,
Hammond, Jim,
When making fillets on molds, instead of using colloidal silica for making edges, use glass rovings. This makes the mold much stronger.
- ,
Simons, Martin,
Notes from MARCS Symposium on F. Scale strategies for X-C soaring are given. Notes of historical significance about instruments are included.
- ,
Morris, Pancho,
Adding ballast doesn't change the glide angle but makes the model fly faster the increase can improve the ability to move around in windy conditions.
- ,
Smith, Scott,
Hand launch models improve skills, is beautiful, exciting, encourages risk, and facilitates experimentation. First Column by Scott in RCSD
- ,
Siposs, George,
Vintage Sailplane Assoc. each year has a gathering of vintage full size and RC models at Hemet, CA. A beautiful place to be each Memorial Day Weekend.
- ,
McComb, Jeff,
Experiences in Novice competition are humorous and an encouragement for other beginners. Well written!
- ,
Slegers, Ed,
Keystone RC (KRC) meet in E. PA is a well run meet where you can meet the best in electric flight and see the best models in the country.
- ,
Condlifffe, Rob & Griffin, David,
New Zealand soaring competition includes F3b and thermal soaring events in several formats. The competition between the two islands is intense.
- ,
Pearson, Phil,
Gurney flaps are thin tabs, 1% of chord, placed perpendicular to surface under trailing edge. 3" length in HLG models decreased tip stall.
- ,
Schmidt, Jerilyn,
1993 IMS show in S. Pasadena is reviewed. This is really the show for sailplaners. Plenty of photos and comments about suppliers and products.
- ,
Slates, Jerry,
The techniques of aero-towing and equipment needed is described. Experience of A-T at Los Banos is described. A must for scale modelers.
- ,
Byers, Wil,
Laminating skins to cores can be done in a press vs vacuum bag. The results can be lighter weight w/o separations. A description of equipment is given.
- ,
MM Glider Tech,
Sorcer-ESS is an aileron version of Merlin. ABS plastic Pod design, 50" spn S3016 A/F. $36 from MM Glider Tech, P.O. Box 39098, Downey CA 90239.
- ,
Boyd, Doug,
Special bearings and brush holders for Ford long shaft motors. These provide cooler running, low friction and longer life. $98 503-692-0363
- ,
Sailplane Works,
Aria HLG at $99.95 provides high tech small model. 13.5 to 15.5 oz. 3355 S. Dunkirk Way, Aurora, CO 80013 (303) 699-0467
- ,
Oakland Model Academy,
Ultra GP features hollow core molded wing, composite fuselage come ARF. has SD8000/SD7003 airfoil $300 (510) 839-0436
- ,
Sky-Bench Aerotech,
Lil Bird is a HLG version of Bird-of-time. Rib construction is very inexp. $29.95 + $6 P&H 69598 Brookhill Dr., Romeo, MI 48065
- ,
ICARE Sailplanes,
2M ASW-19 kit looks great and has F/G fuse, T-tail, 42 oz (12 oz/ft^2) presheeted wings, $130 from 381 Joseph-Huet, Boucherville, Qc J4B, Canada
- ,
Vencon Technologies,
Computer controlled battery analyzer plugs into IBM PC and produces an analysis of the discharge curve. $219 and $149 (416) 398-4534
- ,
Nuttler, Dale E.,
5th A. Masters of Soaring Invitational held 9/10-12 is discussed. Only LSF Level III and higher could compete. Event had 35 entrants.
- ,
Dies, Frank,
Colorado Short Winch Championships held. Line length was progressively shortened from 200 meters to 50 with 6 min max. Luck factor was too high.
- ,
Various,
Letters asking for donations for F3J NL. Experience with forgiving flap to servo connection. MAC vs pivot points for flying stabs.
- ,
Vasgerdsian, Greg.,
More feedback on J. Raskin's article on mounting stabs. Structurally mounted stab may be best bet for fast or heavy models.
- ,
Slates, J^2,
Soartech 10 is now available and includes several articles for using computers.
- ,
Stokely, Herk,
A list of 2500 different airfoil coordinates is on computer disc by Bender and Wiechers via Soartech. Price is $115 US from Stokely.
- ,
Willoughby, Dale,
A new category for Aero-Two competition has been started for FAI compet. 3.5 meter span min., canopy, wheel, and proportional fuse X-section.
- ,
Garwood, David,
Cold Weather Soaring is cover story. High Starts don't contract in cold. Flying on slope may be easier if you don't have a winch.
- ,
Mallett, Fred,
This is well written article about picking out flying sites while traveling cross country from Texas to the Northwest.
- ,
Cope, Gene,
Core One by Wil Byers was flown with very good results. 123" span, 5 lbs. Model looks like an F3b design with T-tail and fiberglass fuselage.
- ,
Slates, Jerry,
Repairs are described and illustrated for fuselages which really get damaged during flying. Materials are precisely mentioned and techniques described.
- ,
Jones, Gordon,
Details are given to final assembly of models for allignment, radio instal. setting control movement, inserting battery pack, setting CG & hand toss.
- ,
Simons, Martin,
Martin continues with his article on the similarities between full size and RC. Techniques for dealing with situations.
- ,
Rettig, Fred,
Humorous story about planning for equipment for an anticipated Christmas gift. Santa describes to Corn Fed the errors of his thoughts.
- ,
Morris, Pancho,
Place switch inside canopy to eliminate problems with switch being turned on or off when least expected.
- ,
Kuhlman, B^2,
History of Pioneer IID is traced. This full size plane was modeled by Bill and flown very much like conventional models. Jim Marske is info.source.
- ,
Knight, Sherman,
Genesis by R&R Products features ARF design w/ molded wings 8 pg of written instructions + 12 pages of photos. 113" span., 855 in^2, 11.7 Oz/In^2,.
- ,
Knight, Sherman,
Cont. SD7037 airfoil, 14.2 AR, 70 Oz weight. Ailerons use one skin as a hinge. Wings are pre-wired. A new rudder reduced by Sherman reduced model
- ,
Knight, Sherman,
Cont.: weight. Flight performance was excellent. Zooms high, no wing flex, slows down for spot landings. 35 Hrs to construct this model.
- ,
Bamberg, Mike,
Anabat comments. Low cost gliders needed for young modelers. Composite Gentle Lady wing .5 oz heavier than orig. Electric racing when wind dies.
- ,
Byers, Wil,
Soartech #10 topics are listed. This looks like one of the better issues with useful information. Also Airfoil Design & Data - by Richard Eppler.
- ,
Blakeslee, Byron,
listing of scale glider kits + sources included. Info. on aero-towing is given. Some mfgrs. are difficult to deal with.
- ,
Doig, Al,
Fall '93 Visalia S. Festival is biggest and best. 214 flyers entered and many more turned away. Plenty of vendors to purchase special items from.
- ,
Doig, Al,
Cont.: Sunday night BBQ, huge raffle, & 12 hours of flying. The site is 11 acres rented from a cotton farm. Winners listed with Darrel Perkins 1st.
- ,
Smith, Scott,
Shock proofing noses with shipping foam reduces damage. Two wing bolts for mounting wings works best. Other good ideas given.
- ,
Slegers, Ed,
Interview with Rudolf Freudenthaler, world champion in F3E. He discusses the models and equipment he uses. Specific equip. specifications given.
- ,
McComb, Jeff,
The experience of a novice pilot at the first big contest is related in an educational and entertaining way. Encouragement for new flyers.
- ,
Anderson, Chuck,
Airfoil Plot and Model Design programs are released for HP II LaserJet printers. You can design wings with five panels in heach 1/2 span.
- ,
Spectrum Enterprises,
Spectrum and Spectrum II designed by Ron Vann and Mark Triebes are released. Triple taper platform with S3021 airfoil. Obechi presheeted wings, F/G Fuse
- ,
Just Plane Models,
Soar Birdy of 70's is redesigned for zoom launches. Span=76" price=$40. Rib construction with clear plans. Std. Servos needed. Can be electric!
- ,
Raskin, Jef,
New Anabat handles larger servos or more small servos. Can be raced. The 5th Annual Precision Aerobatic Soaring Contest scratched - no wind.
- 94 Jan,
McColgan, Don,
1994 LSF Masters competition will be held May 14 and 15th in Covina, CA. Sponsored by Silent Wings Soaring Assoc. Limited to LSF Levels IV and V.
- 94 Jan,
Byers, Wil,
Lodging Listed for World Soaring Jamboree in Washington State in May 94.
- 94 Jan,
Penton, D.N.,
Good advise for selecting aspect ratio, taper ratio, sweep, sections for root and tip. Short but full of information.
- 94 Jan,
Morris, Pancho,
Using servos mounted to covers and not wings allows servos to be moved from one model to another without the expense having servos for each wing.
- 94 Jan,
Slegers, Ed,
Rocket by Mark Allen is discussed. The model was turned into a 2M glider and found to be very effective at 31 oz. Zooms are excellent.
- 94 Jan,
Weiland, Mark,
An improvement to the Feather Cut Foam Wing Cutter by Tekoa is noted. The change has to do with the mounting of a wheel. Diagram included.
- 94 Jan,
Kuhlman, B^2,
Zahlmann's Horten XV modifications for a 2.4 M RC model which will thermal. Model is 3 piece has two mid fins/fences and launches with a highstart.
- 94 Jan,
Steele, Bob,
"Do you Speak Airplane" by Dave Thornburg covers the modeling done during the 20's and 30's through 90 years of trials and accomplishments.
- 94 Jan,
Simons, Martin,
Martin continues with drecriptions of full size X-country soaring theories. Information used in his MARCS symposium persentation.
- 94 Jan,
Siposs, George,
2M Gnome was purchased from an unhappy owner. After the wing LE was redone and the wing servos minimized it flew much better.
- 94 Jan,
Smith. Scott,
Save weight on wings by using sanding sealer instead of film covering. Model Research Lab's Sanding Sealer and Glider polish was used
- 94 Jan,
Smith. Scott,
Match the weight of your model to your throwing ability. Heavy model requires a good arm. Technique is important..
- 94 Jan,
Rettig, Fred,
Great story about flying when someone's pet dog goes after your pant leg.
- 94 Jan,
Murray, Lee,
Question posed by a reader is answered. Why don't US flyers fly larger models.
- 94 Jan,
Liscomb, Bill,
Techniques for launching and flying large scale ships. This is not as easy as it seems. Slope launches and winch launches are both covered.
- 94 Jan,
Savole, Steve,
The Airtronics Infinity 600A and 660 Sailplane version are compared. Same case, trainer cords to other infinities, data reset, servo centering,
- 94 Jan,
Savole, Steve,
Cont. servo endpoints, Failsafe, PPC/PCM, elevon mixing, 2 lines of LCD output including stop watch, count down, voltage, mix any of 6 channels..
- 94 Jan,
Woods, Graham,
Repair of a broken fuselage is described using repair parts molded from the outside but installed on the inside of the model. Pretty slick!
- 94 Jan,
Hazel, John,
Simulation was made of winch launching. The mathematical model is described the vectors being included in the model.
- 94 Jan,
Deis, Frank,
Hinging spoilers on forward side seems to minimize pitching down moment and also improves elevator compensation on computer radios.
- 94 Jan,
Siposs, George,
Using a pin extension of transmitter trim ratchet helps find the trim. Use thermoformed packages for mixing epoxy.
- 94 Jan,
Jones, Gordon,
Instructions for installing wing rod carrier tubes and alignment pins in a fuselage are discussed. Good practical information.
- 94 Jan,
Sugar, Al,
Turbulator experiments by Al show that the average model can benefit from turbulators placed at 60% of chord. One of the best articles on the topic.
- 94 Jan,
Weiland, Mark,
A method for installing removable servos in hollow core wings is described. Photographs included. Robbe Servo Lock servo mounting device used.
- 94 Jan,
Vasgerdsian, Greg.,
NASSA organization news is discussed and dues structure for 1994. AMA numbers of members are needed.
- 94 Jan,
Future Flight,
Klingberg Rocket Wing is 52" version of 2M klingberg wing with rocket launch capability. Can be launched from a highstart. "E" motor launches to 600'.
- 94 Jan,
USR&D Corp.,
Aero*Comp software allows calculation of performance indexs such as climb rate for different motors, weights, cells, model weight, gear ratio.
- 94 Jan,
ICARE Sailplanes,
Pick 20 scale fuselages are available in different colors and set up for HQ airfoils. (514) 449-9094
- 94 Feb,
Brabenec, Paul,
Beautiful photographs taken from model of Jackson Hole Wyoming. The method is a camera mounted to photograph the wing and the horizon from canopy.
- 94 Feb,
Morris, Pancho,
Beginners are prone to fly too slow when coming in for a landing. A better approach is to fly the model to the ground and not risk stalls or gusts.
- 94 Feb,
Simons, Martin,
Properties of this class of model should enhance visibility, be stronger than normal, carry a larger battery, and be aerodynamically stable.
- 94 Feb,
Rettig, Fred,
Humorous account when Fred tagged along with Troy Lawicki at the Mid South Soaring Championship.
- 94 Feb,
Johnson, Wildey,
Survey of soaring participant interest if given: Sailplane Design #1, Construction Tech. #2, Flying Techniques #3., Last-Competition Results
- 94 Feb,
Jones, Gordon,
ARF Spectrum kit by Triebes and Van has obechi sheeted wings and stabs. The quality is very good and the 104" version flies very well.
- 94 Feb,
Kuhlman, B^2,
Jeff Rankin's Max Plank (plank design) is aerobatic and very durable. 36" span and 8" chord. A real fun plane to have. Easy to fly. Airfoil Coord.
- 94 Feb,
Smith, Scott,
Left handers have an advantage in hand launching?? Two finger launches are higher. A tow line: 75' line, 5' rubber. A sling-shot is proposed.
- 94 Feb,
Deis, Frank,
Howling Coyote 3 Night Fly contest was another success. Nearly everyone made 3 flights to 15 minutes. An interesting idea.
- 94 Feb,
Siposs, George,
Flaps used with spoilers gives good control on landing. It is like a poor mans Crow landing option without the cost of the computer radio.
- 94 Feb,
Cope, Gene,
Rules for scale competition are discussed. Requirements for appearance, flight performance and landing expectation. New Selig airfoil tests.
- 94 Feb,
Schwerin, Alan,
Photos and comments on what went on at the 1993 LSF Nationals. Winch lines were retrieved with golf carts and youngsters.
- 94 Feb,
Smith, Jim,
20th. Annual Soaring Tangerine contests is the longest running soaring event in the US. Two days of 2M and Unl soaring with prized for both days.
- 94 Feb,
Savoie, Steven,
A table saw is used to make tapered trailing edges from 1/16 and 1/32" balsa sheeting. A jig is made and spruce strips apply constant pressure
- 94 Feb,
Savoie, Steven,
(Continued) to the stock as it is moved through the blade which is pitched at about a 3 deg angle. A carbide blade was used.
- 94 Feb,
Slegers, Ed,
Vertigo modifications for a Speed 400 motor, small speed controller, battery would deliver a total weight of 19.5 oz. Motor only costs $15
- 94 Feb,
Selig, Michael,
A new series of wind tunnel tests are proposed a the Univ. of IL - Urbana Needs: HLG, flapped A/F, aerobatic, electric, free flight model airfoils.
- 94 Feb,
Selig, Michael,
Cont. Also effects of turbulators and flaps. Companion A/F also a goal. Templates available from coordinator J.J. Guglielmo at U of IL.
- 94 Feb,
Jentsch, Ed,
Story telling way of describing the function of horizontal and vertical stabilizers. Yaw stab., Dutch Roll, Lateral Stab., Moment of Inertia
- 94 Feb,
Fulmer, Dan,
Dan tells of flying on an exceptionally windy day with winds above 40 mph and successfully flying with his made for the occasion sailplane.
- 94 Feb,
Abell, Bruce,
"Mostly Sailplanes" by David Craddock covers Australian designed gliders from 1931-36. Three Volumes. A source of info. for unique scale models.
- 94 Feb,
Lafret, Jack,
Nostalgia Sailplane Event to be in '94 NATS. Rules are posted in this article. Designs must have been public prior to Jan 1 1977.
- 94 Feb,
Aero Scientific,
Ni-Spy IV is a rcvr battery monitor that indicates when the battery voltage goes below safe limits. P.O. Box 292, Grayslake, IL 60030 (708) 233-9066
- 94 Feb,
Scale Model Research,
New catalog is available for drawings and photographs to document scale model construction and judging. (714) 979-8058
- 94 Feb,
Wings,
A new service will cut wings with a stepper motor and no templates. Good prices are indicated. 3198 Shady Oak Lane, Verona, WI 53593 (608) 845-7961
- 94 Feb,
Layne/Urwyler,
2M and HLG versions of the Saturn are produced. HLG uses E387 and 2M uses HQ3/10 & 3/9. 1808 Applegate Dr., Modesto, CA 95350 (209) 529-8457
- 94 Feb,
Wright Manufacturing,
Liberty 2M generic fuselage is produced with Kevlar and is only 6 Oz. Flying stabs intended, plug in 9 to 10" wings. (201) 366-0880 Slegers
- 94 Mar,
Frame, Gene,
T.U.F.Line plus from Western Filament Inc. has a 30 lb test value and is very small. High starts perform much better because of the lower drag.
- 94 Mar,
Lightfoot, John,
Cover story of slope soaring in S.Africa includes soaring off small seaside slopes or from larger seaside hills.
- 94 Mar,
Morris, Pancho,
Low humidity is a major contribution in the buoyancy of air according to P. Pancho believes that humidity keeps the air from heating faster.
- 94 Mar,
Dufresne, Marc,
Obtaining a good radio in France may mean that you look at the Super TEF. Mr. Thobois is a retired teacher who builds these great radios.
- 94 Mar,
Slates, Jerry,
Mounting wing rods in fuselages can be tricky. Using tracing paper and a pencil to note the position of the wing rod at the root is a good tool.
- 94 Mar,
Jones, Gordon,
Light article about how sailplanes and cars often share the same names: Falcon, Comet, Nova, Cobra, Tempest, Legend, Eagle, Mirage, Spirit, Saturn..
- 94 Mar,
Byers, Wil,
Point of the Mountain in Utah is an excellent flying site with an good LZ and opportunities for very high altitudes. Primary slope is 500' high.
- 94 Mar,
B^2,
Ubara flying wing design comments are continued from previous article. Analysis of why tip removal improved performance. Less Drag!
- 94 Mar,
Friant, David,
A description of what it will be like to go soaring with virtual reality but not yet accomplished although possible.
- 94 Mar,
Simons, Martin,
X-Country Soaring Cont. Causes and cures of Pitch Oscillation, Trim Range, Penetration, Low sink rate turns, Low Speed Handling, Adverse Yaw.
- 94 Mar,
Siposs, George,
Sewn thread hinges eliminate several problems associated with high friction gaps, hinging from one surface or the other.
- 94 Mar,
Smith, Scott,
Formats for competition are discussed with the logic about the selections given. Characteristics of typical competitive model are given.
- 94 Mar,
Carmichael, Asher,
A FAA database/library of aircraft and owners of full size aircraft. The database gives names and addresses which can results in needed info.
- 94 Mar,
Siposs, George,
Stability considerations for dihedral and polyhedral wings are considered. There is interactions between rudder/fin size and polyhedral.
- 94 Mar,
Vasgerdsian, Greg.,
More information about the NASSA organization and goals. The achievement program includes achievement for building and flying. $3 Transaction Fee.
- 94 Mar,
Willoghby, Dale,
F3I aero towing provisional rules are listed. The automatic altimeter is described which will transmit a signal to back to earth. Sources given.
- 94 Mar,
Slegers, Ed,
More info on speed controllers. On/Off control is not recommended for gear reducers. Soft start and BEC features have value. BEC works for <10 cells.
- 94 Mar,
Slegers, Ed,
Continued. More info on how these controllers handle over heating, high current, breaking, opto-coupling.
- 94 Mar,
Raskin, Jef,
AMA has a training tape on judging glider aerobatics. Larger Anabats are in production & new models under development using the same technology.
- 94 Mar,
Raskin, Jef,
Jeff attempts to educate RCSD readers about the use of the term modified with respect to a named airfoil. Nothing can be said about the performance.
- 94 Mar,
Rettig, Fred,
Another entertaining article about trimming.
- 94 Mar,
Noran, Richard,
An area approach is used to determine the position of the pivoting point for wingerons. 33% of MAC is determined by calculations.
- 94 Mar,
Kukral, Ronald,
SOAR club of Chicago shows their metal by flying on New Years Day in bad weather. Photo of participants is shown.
- 94 Mar,
Morris, Pancho,
A tip stall on launch will destroy your model. Pull tension, throw the model forward like you didn't have a winch.
- 94 Mar,
MM Glider Tech,
The Merlin is a 50" HLG with plastic pod and boom construction with built up wing. The Modis is only $36.95 + $5 S&H. (301) 923-2414
- 94 Mar,
SMaL Enterprises,
F3B Eagle is a moulded composite sailplane for F3B use. 112" Span, RG-15 13.5:1 AR, 935 sq in. Winning record. (408) 554-8539
- 94 Apr,
Quiet Flight,
Quiet Flight Communications is 24 page publications for gliders, electrics kites and rockets. Editor Dave Jones.
- 94 Apr,
Sanders, Eric,
CompuFoil Professional V 1.7 has a new feature to print all the ribs of a wing of a defined shape in one pass. (513) 299-7684
- 94 Apr,
Nutter, Dale,
Photos of the 5th Masters of Soaring competition. Also comments on reducing wing area vs adding ballast. It makes sense.
- 94 Apr,
Slates, Jerry,
Simple tools for building are listed. Jerry tells of his early building. When it comes down to it you don't have to have much to construct a model.
- 94 Apr,
Morris, Pancho,
The duties of a thermal duration timer are discussed: Ready when flyer is. Have a watch he can operate, Bring the winch line, Count down as instructed
- 94 Apr,
Jones, Gordon,
Suggestions for finding and marking the center of gravity. Use shot and add small amounts at a time. Re-adjust CG after adding balast.
- 94 Apr,
Reith, Jim,
A foam cutting bow is described which is made from a 2x2, music wire for wire tension when bent and the Nichrome cutting wire available from SIG.
- 94 Apr,
Reith, Jim,
Cont.: Skinning cores can be done with simple methods and even brown paper to limit the costs. Jim is a source of cores made with computer control.
- 94 Apr,
Rettig, Fred,
Great information about putting things in perspective. Memories are what you should be collecting. Take time to collect them. I Agree!
- 94 Apr,
Smith, Scott,
One can damage tendons throwing. Attributes of HLG models, Ballast vs wind speed, turbulator strips specifications are given for HLG models.
- 94 Apr,
Woods, Graham,
Graham highlights many incredible records from the world of nature. Highest, longest, most distant, flights. Wing attributes compared.
- 94 Apr,
Squires, David,
Dave begins his design of Raptor 135 using theoretical analysis of this design using a computer. Good examples of engineering applications.
- 94 Apr,
28,
Slope soaring accommodates the use of all kinds of models. Electric models work well on slopes since the consequence of losing lift is eliminated.
- 94 Apr,
Simons, Martin,
Tip stalling caused by platform shape. Camber effects. Thickness vs Drag. Flaps vs camber changing. Benefits and penalty from camber & thickness.
- 94 Apr,
Slegers, Ed,
WRAM 94 show is reviewed with photos of vendors with electric merchandise. Video tape of show available from John Clarke for $8.
- 94 Apr,
Kuhlman, B^2,
German Akaflieg institutions history of sailplane dev. Interesting history of the contributions of these groups to the development of technology.
- 94 Apr,
Willoughby, Dale,
Special Report on Int. Slope Soaring Races at Torrey Pines on May 1, 1993 Jerry Bridgeman flew his Murphy damaged by a crash back up to land.
- 94 Apr,
Skjerseth, Doug,
Humorous Article
- 94 Apr,
Byers, Wil; Slates, Judy,
World Soaring Jamboree Promotion lists events to take place. A very fine event is planned with social events, lectures, contests for all gliders.
- May-94,
Avery, Bob & Dies, Frank,
A study of thermal airflows is made using Smoke-riter from Tower Hobbies. description of installation and results of tests they ran are included.
- May-94,
Avery, Bob & Dies, Frank,
Cont.: calculations can be made by using model dimensions. Shape of thermal are bell shaped. Motion of thermals & sink is discussed.
- May-94,
Slates, Jerry,
Jerry continues his discussion on tools, work benches, safety equipment, vice, Dremel tool, table saw, belt sander. Check flea markets for bargains.
- May-94,
Jentsch, Ed,
A list of valuable tools and items for the flight box are given. Nice to have list includes non-essential items which make life easier.
- May-94,
Jones, Gordon,
A cart is shown which holds the winch, battery and some other essentials. It is fashioned after F3b designs.
- May-94,
Slegers, Ed,
Instructions are given for a light finish of fiberglass fuselage. Finishing of fuselages can add considerable weight. Krylon paint is recommended.
- May-94,
Rettig, Fred,
Great humor about how fate makes us humble at times during contests.
- May-94,
Byers, Wil,
Max slope flying time is related to # of servos, load placed on servos by flying speed, and friction in the control linkage.
- May-94,
Kuhlman, B^2,
Techniques are described for making a box spar by removing a section of a foam wing, wrapping it with FG, replace it, and vacuum bag the whole wing.
- May-94,
Morris, Pancho,
Infinity 600A radio has a compression mixer which should be set at 100% When Crow is employed, flaps will activate otherwise they may not.
- May-94,
King, Dale,
SD6080 airfoil, 1.7 oz. FG fuselage, sheeted foam wings. Model launches high and flies very well.
- May-94,
Siposs, George,
Wing rotation control eliminates the need to control surfaces on tail. The drag for the model is reduced and the weight is reduced by about 4 oz.
- May-94,
Thomas, Jim,
Servo mounting in a foam wing is done using blue foam to friction hold the servo in place. Tape the cover over the servo to hold servo in wing.
- May-94,
Sugar, Al,
The Legionair philosophy was to build light and use a thin airfoil. It was made for highstarts and 6v winches. 16' span, 2000 sqin.
- May-94,
Sugar, Al,
Continued: The model permits a style of soaring which might be popular today with limitations on winches limited to 1/4 horsepower and 300 meters.
- May-94,
Munkesoe, Morten,
Results of an international two meter postal contest.
- May-94,
Smith, Scott,
Treat your damaged arm w/ weights which you can do 10-15 reps and 3 sessions Another exercise offered. Also thinner sectioins with less loading.
- May-94,
Savone, Steve,
A wheel collar on a Dremel routing bit can serve as a depth limit when the bit is operated through a 1/8" sheet of plexiglas.
- May-94,
Slates, J^2,
A list of the newsletters which are being sent to RCSD, the editors, addresses and phone numbers.
- Jun-94,
Kuhlman, B^2,
Swift FAI Class II hang glider is a flying wing design by Steve Morris. Kuhlmans met Steve on a flying field where he was flying an RC Helicopter.
- Jun-94,
Lehman, Robin,
Winglets seem to be most beneficial to scale models where wing tips are smaller. Several examples shown. Also excellent photos of scale ships.
- Jun-94,
Morris, Pancho,
Light ply seems to be brittle when models have bad landings. Pancho urges it manufacturers to use hard balsa with stringers for fuselages.
- Jun-94,
Slegers, Ed,
Kirk Massey of New Creations R/C has information on what props work best with various motors.
- Jun-94,
Massey, Kirk,
A multitude to ideas on how to get performance out of electric sailplanes. Speed controllers compared. Tuning instructions for motors. Prop prep.
- Jun-94,
Massey, Kirk,
Battery size also relates to the available power drain. Battery connector strips add resistance and should be replaced. Excellent but condensed.
- Jun-94,
Slates, Jerry,
A travel kit: Extension cord, 5 & 30 min epoxy, paper towels, CA glue, T-pins, knife, drill & bits, sandpaper, sunscreen, sunglasses, hat, MODEL.
- Jun-94,
Smith, Scott,
Device to achieve a higher launch, small highstarts. Wings skill award. Contest rules with handicaps for skill levels & man on man format.
- Jun-94,
Siposs, George,
a Bellcrank can be made out of a soda or beer can in an emergency.
- Jun-94,
Rettig, Fred,
A mixture of wisdom and humor about flying hand launch gliders and how to get results with the small models.
- Jun-94,
Klein, Ameil,
Humorous account of having a model go into a tree.
- Jun-94,
Jones, Gordon,
Pro-Case is a thought out solution to the problem of getting your model to the distant contest where you have to use commercial carriers (UPS or Air).
- Jun-94,
Jones, Gordon,
The cases are matched to specific sailplanes & accommodates the transmitters A larger model accommodates 2 to 3 models with little additional cost.
- Jun-94,
Siposs, George,
Static testing of wings as is done with full size planes can determine if a model will withstand launching and turning loads. Instructions given.
- Jun-94,
Jentsch, E. H,
Instructions on how to finish wings, cautions, and options given. A good article on how best to finish wood surface wings. Varnish, Lacquer, Enamel
- Jun-94,
Ninham, Cameron,
A method to determine the proper settings for a Feather Cut foam cutter. The root and tip ratio must be set for getting the best results.
- Jun-94,
Michaelis, Harley,
Genie is a bagged wing model design for getting the ultimate from a model costing $150 and competitive with ones costing $1000. Decoration in bag.
- Jun-94,
Michaelis, Harley,
Plans are available from Harley as are some parts. Cores are available from Harry Smith for $55. A decal is also available for $2.
- Jun-94,
Hazel, John,
Computer simulation of winch launch height shows small differences between launches with tension, area, span, and max Cl. Low A/R models do better.
- Jun-94,
Siposs, George,
Hodge-Podge Canard was chosen because of all the spare parts he had sitting around. High tech too often means high cost. This is low cost - high tech.
- Jun-94,
Siposs, George,
Servo wiring protocols are defined for Futaba G & J, JR, & Airtronics. This helps in making conversions between different receivers & servos.
- Jun-94,
Siposs, George,
Due to repairs or building flaws, models tend to naturally turn in one direction. George says we should plan to turn in the natural direction.
- Jun-94,
Siposs, George,
Instructions for making gapless hinges from strips of plastic tape on top of and underneath the hinge gap. Deflect surfaces when applying tape.
- Jun-94,
Renaud, Tim,
Airtronics is suspending production of wood kits. They are in business to stay but due to labor costs is going to composite models for now.
- Jun-94,
Edmonds, Terry,
A CIAM report about proposals for changes in F3B and F3J competition. Issues: # of models, charging batteries, # of timekeepers, pulleys.
- Jun-94,
Sile, Jack,
Jack reports that interest at the plenary meeting was insufficient to get any action on the proposals. Next year perhaps.
- Jun-94,
Castilly, Jerry,
DG-600 by Thermal Flugel via Mark Foster of Pasadena has 3.8/4.4 M span, sheeted wings, decals,and gel coated fuse. Rated as excellent.
- Jun-94,
50,
Jouster 1.5M design by Harley Michaelis uses SD7032 a/f & full flying stab. Kit is available as basic kit and ARF kit. Sky Bench Aerotech is producer.
- Jun-94,
Wise Owl Publications,
Silent Flight a unique British magazine for electric models and sailplane models. It covers slope, thermal, scale, international classes. $35/yr.
- Jun-94,
Pro-Case,
Pro-Case are shipping containers for models. Partitions can be placed at 1" increments. Handles are flush. From Mikes Hobby Hanger, Carrollton, TX
- Jun-94,
Hayes, Ray,
WINGS flight achievement program for 1.5 M models has 6 levels for duration, landing, aerobatics for HLG or Hi-Start launched models. Newsletter also.
- Jun-94,
Vasgerdsian, Greg.,
NASSA organization is starting to function. Sponsorship of meets will be coming shortly. Achievement certificates are described. Other news.
- Jun-94,
Sowder, Bob,
Details of the features of the Mid-South Soaring Championship to be held at different locations for X-country, HL gliding, Thermal Soaring.
- Jul-94,
Mallett, Fred,
New column called "This Old Plane" will include a uniform description of each model talked about.
- Jul-94,
Slates, Jerry,
Los Banos Scale Fun Fly was covered with some fine photographs from a great looking slope.
- Jul-94,
Jones, Gordon,
World Soaring Jamboree Coverage highlights the many events which occurred. A wide variety of competition plus talks by Selig, & Eppler.
- Jul-94,
Slegers, Ed,
Ed adds his comments on the World Soaring Jamboree which he felt was well
- Jul-94,
Slates, Jerry,
Jerry gives credit for the efforts which led to the landmark event. Wil & Mary Jo Byers, Dorothy & Charley Harris, HiTec Hobbies named.
- Jul-94,
Kuhlman, B^2,
Winglets at tips seem to predominate on winning thermal ships while center fins seem to control best for slope flying.
- Jul-94,
Rettig, Fred,
Very humorous description of a new launch method using a pick-up truck, a bean bag chair, mattress, rope, line, tape....
- Jul-94,
Morris, Pancho,
Beginners tend to fly their models too slow making them difficult to control Flying faster will improve control and abiltiy to find thermals.
- Jul-94,
Slegers, Ed,
Ultracote Plus has tacky adhesive back, requires no heat, and is light and easy to use. Instructions are given to apply over obechi. See following:
- Jul-94,
Slegers, Ed,
Cont. 1. Sand 2. Apply 2 coats of Balsarite, and sand again. 3. Apply Ultracote from root to tip. 4. Trim and Seal edges with iron.
- Jul-94,
Mallett, Fred,
Flying sites are described on Corpus Christi Bay, TX. Ropes Park, Oreander Point. New airfoils and designs are more practical for variable conditions.
- Jul-94,
Blum, Jim,
Large 4M scale ships can thermal very well as shown in a 1992 PAS event. Launches from winches and over windless slopes resulted in spec outs.
- Jul-94,
Blum, Jim,
Cont. Aero Towing with a 1/4 scale ASW 18 with Sr. Telemaster gave 1000 ft. launches. Large models are a rewarding aspect of hobby.
- Jul-94,
Johnson, Wildey,
The equation for an ellipse Y=(a/b)^.5*(B^2-X^2) where y=chord, x=spanwise distance from center, a=root chord, b=half span of wing for elliptical wing
- Jul-94,
Szymanski, Al J.,
A BASIC computer program list is given to compute and plot an ellyptical wing planform with a straight trailing edge if you wish.
- Jul-94,
Fulmer, Dan,
Dan tells of his design and optimization of a scale spitfire slope soaring model. Several changes were made to make a reasonable slope soaring model.
- Jul-94,
Sugar, Al,
Using asymmetric controls, rudders, and now elevators and flaps may make sense in spite of having to use multiple functions at once.
- Jul-94,
Murray, Lee,
Lee talks about his problems with flying on Mother's Day when his planes seem to disappear. Efforts to retrieve model are discussed. Light reading!
- Jul-94,
Smith, Scott,
Joe Wurts wins ISS HLG contest and then gives lesson in sky-out techniques. Joe apparently knows where thermals will be coming through. Very Good Tips!
- Jul-94,
Simons, Martin,
Center of Pressure is discussed with respect to wing camber and Aerodynamic Center, Camber, Reflexed Training Edges. Speed failure modes discussed.
- Jul-94,
Morris, Pancho,
Pancho makes fun at how to select an airfoil. His idea is to use whatever sports shoe is popular that year and take the shape from that.
- Jul-94,
McColgan, Don,
1994 Masters of Soaring competition report. D.Perkins, J.Wurts, R.Lackey R.Spencer finished in that order. Equipment and models used is listed.
- Jul-94,
Mellor, Michael,
Viking Models ASW-17 fuselage and plans used to build the model. Mike tells us of his project and experiences in flying big models.
- Jul-94,
Perret's Studio,
Lasoar 650, 92" span, E387 obechi presheeted foam wings, Kevlar fuse for geared 05 motor w/ 7 cells. Contest winning performance. New Orleans, LA
- Jul-94,
PEP Aviation,
Sky Shine holographic self sticking mylar films for high visibility trim. Available for $15/ft^2 1112E Geneva Dr., Tempe, AZ 85282-3638 602-966-6383
- Jul-94,
MM Glider Tech.,
SD7084 wing, 480 in^2, 13 oz model has good performance and is very stable kit is $42 from P.O. Box 39098, Downey, CA 90239 (310) 923-2414
- Jul-94,
Dynamic Modelling,
Diamant 98" model imported from Slovakia is egg shell wing construction. Wing loading is 12 oz/ft^2 $550 4922 Rochelle Ave, Irvine, CA 92714-2941
- Jul-94,
Soaring Stuff & Pony XPRESS,
Training series of videos from Old Buzzard. Lots of flying footage. $25 9140 Guadalupe Trail N.W. Albuquerque, NM 87114 (505) 898-8281
- Aug-94,
Sklavos, Nick,
Sky Hawk by Mark Allen is shown on cover being recorded for a future Video by Nick of Tallant Productions. Series on RC Soaring to follow.
- Aug-94,
Slates, J^2,
"Gliding w/ R/C" is Martin Simon's latest book to help beginners avoid frustrating errors. This is not theoretical book but quite readable.
- Aug-94,
Sowder, Bob & Kelly, Mike,
'94 Mid-South Soaring Championships reviewed with photo's and text covering several events conducted. XC, HL, Thermal Duration and Raffle.
- Aug-94,
Simons, Martin,
Wings and stabs should be strong but how much is needed? The discussion deals with technology to stay light and provide the strength needed.
- Aug-94,
Stump, Mike,
Kanza kit has f/g fuselage, and foam cores comes in all three class sizes. Construction and methods used is included. Very rugged! Matney's Models
- Aug-94,
Rettig, Fred,
Funny Cornfed story about watermelon and making your contest landings. Make your landings as slowly as possible with good control stand back 5 ft.
- Aug-94,
Phillips, Hewitt,
An historical perspective of Wright brothers dune soaring at Kitty Hawk. Instructions on how to soar on sand dunes. A unique and valuable article.
- Aug-94,
Kuhlman, B^2,
Swept wings often have spanwise separation problems which cause poor high speed turn performance. Vertical slots in wing L.E. may be the solution.
- Aug-94,
Stump, Mike,
Saturn 2.9T has HQ 2.0/9 > 2.0/8 AF 113" Span, 10-11 Oz/Ft^2, 65-72 Oz. Aluminum tube joiner stab control rods molded in fg fuselage.
- Aug-94,
Stump, Mike,
Cont. The article contains helpful hints on its construction. Not a kit for beginners. The sheeted wing option reduced construction time to 25 Hr.
- Aug-94,
Smith, Scott,
Hawaii's thermals are perfect for HLG. World HL Jamboree to be held 10-29,30 Instructions for vacuum bagging 1/32" balsa skins onto white foam.
- Aug-94,
Condon, David,
Elevating winch and turn around reduced line breaks and made contests run smoothly. Turn around designs must handle line being dropped past it.
- Aug-94,
Thomas, Jim,
Installing servo wires in foam core wings. Two methods (before & After sheeting). Before-insert wires in a knife cut. After-melt a 3/16" hole.
- Aug-94,
Inventec Corp.,
Esteem uses 110" SD7080 multi taper wing, 57 oz., 0.5" tubular CF spar. (215) 953-1736 Bucks County, Pennsylvania.
- Aug-94,
Tallant Productions,
"1994 International Slope Race - Return to Davenport" the topic of current video is available for $25 + $5 S&H. Professionally produced.
- Aug-94,
Tau, Manny,
Rubber duck antenna issues are discussed. SWR, tip radiation, memory loss, low battery conditions causing memory loss, system failures are covered.
- Aug-94,
Kempf, Ed,
Kansas Flatland Open '94 is reported on. Contestants came from Washington, Iowa, Oaklahoma, Nebraska. Winners listed.
- 94 Sep,
Garwood, David,
Photographs of World Soaring Jamboree soaring events and the participants.
- 94 Sep,
Slates, Jerry,
Jerry describes making a plug for molding fiberglass fuselages that he markets (Viking Models).
- 94 Sep,
Rettig, Fred,
Too much stick movement causes model to come down faster than desired in contests.
- 94 Sep,
Smith, Scott,
RX-1 launches to 300' with catapult. 36" wingspan, 9 oz model trim is critical to the success given the velocity achieved.
- 94 Sep,
Smith, Scott,
Diagram and description of spring loaded finger hole cover for HLG.
- 94 Sep,
Jones, Gordon,
A list of airfoil sources obtained from InterNet is given. 16 texts and 11 misc. publications. Coordinates and Polars
- 94 Sep,
Eiche, Erik,
Martin Simon's "The World's Vintage Sailplane" has been an excellent source of 3 view drawings which have been blown up for construction.
- 94 Sep,
Mallett, Fred,
Ways to limit damage to models: Very light and small, Use weak links for easy repair, Build strong, Attach tail to break free for slope.
- 94 Sep,
Mallett, Fred,
Cont. For planes up to 35 oz. use 2 4-40 or 6-32 nylon bolts. HLG bolt size should be 4-40. Installation instructions. Use shot for ballast.
- 94 Sep,
Kuhlman, B^2,
Novel actuator connects servo to surface w/o protrusions into air flow. Uses telescoping tubes and pivot on servo wheel.
- 94 Sep,
Squires, David,
Pt 2 of Raptor 135 design deals with evaluating the performance using Airfoil-ii and spreadsheets. Math relationships given for other's use.
- 94 Sep,
Siposs, George,
A simple wind tunnel demonstration setup is shown where one can evaluate wings in a simple setup made with a fan and other simple devices.
- 94 Sep,
Edwards, Harry,
Night Hawk, sold by Ed Slegers, is a Mark Allen design with D. Perkins Fuse. Can be assembled in 16 hours. RG15 Error in CG location noted.
- 94 Sep,
Jentsch, Ed. H.,
Guidelines are given to achieving good results when constructing a model. Topics: Symmetry, Decalage, COG/CG, Tow Hook Location, Radio Installation
- 94 Sep,
Jentsch, Ed. H.,
Cont. Building Board Specs (+/- 1/32) Hollow core door recommended. Cover with cork and place on a work bench, and shim to achieve flattness.
- 94 Sep,
Raskin, Jef,
Swept forward and backward wings are discussed with some reasons for each and the consequences of each from John Rapillo's articles in Model Builder
- 94 Sep,
Simons, Martin,
Australian Scale Soaring Weekend (Aug 94) coverage. Models were aerotowed with tug model having Xenoha G62 engine. Two large scale models shown.
- 94 Sep,
Vasgerdsian, Greg.,
NASSA news, roster and source packet has been mailed to 134 members. More members are wanted in order to promote regional contests.
- 94 Sep,
Vasgerdsian, Greg.,
A releasable towhook for aero-towing is shown. This is based on a loop on the end of the lowline being released from a pin which is pulled out.
- 94 Sep,
Sowder, Bob,
Mid South Soaring Championships in Memphis was a very friendly event with
- ,
Waltz, Buzz,
Cover photo of Empire Polo Club's Flight Park in Indio, CA. Contest sched. for Dec 10 and 11th sponsored by DUST club.
- ,
Slates, Jerry,
Part III in a series dealing with making a plug and mold for fiberglass fuselages. Placing dams around plug...where to place them and how.
- ,
Savoie, Steve,
A low tech tow hook made from a nail is described. #16d nail is bent to shape. Make 8-32 treads are made. Hardwood block is drilled and threaded.
- ,
Mallett, Fred,
Corn Dogger by Chris Boultinghouse is a obechi sheeted foam wing design. Good Thermal Perf. $80 from CAB Designs, Cedar Park, TX (512) 259-4748
- ,
Gell, Jim,
Colored paper tissue covering attached to sheeting with epoxy is fast, inexpensive, and cheep. scrape off excess epoxy.
- ,
Kuhlman. B^2,
Four basic principles: CG, aerodynamic center, static margin, pitching moment, sweep angle, wing twist. Equations by Walter Panknin referenced.
- ,
Lightfoot, John,
A grinder is converted to a disc sander. A vacuum cleaner is used to collect the dust which is generated. Vac is powered from switch on sander.
- ,
Gray, Jim,
Martin Simons has authored book for beginners. Advice on getting started, "Gliding with R/C - A Beginner's Guide to Building & Flying" B2 Streamlines
- ,
Donaldson, John,
Koorawatha Soaring Challenge 1994 - Bororen, Australia was held in May 94 The event is reviewed. A very popular social and flying event.
- ,
Smith, Scott,
1st HL Jamboree announced. Exercises for building launching skills is described. Flexibility must be developed to minimize injuries.
- ,
Gell, Jim,
The FAA can be helpful in identifying flying restrictions for prospective fields. Currently they only restrict max height to 400' within 3 miles.
- ,
Jones, Gordon,
U of IL wind tunnel tests due to start in Oct. Updates to be in Soartech. Winch line sources, types and strength recommendations.
- ,
Jones, Gordon,
Copy machines may distort a copy of a printed airfoil. Look out when making templates.
- ,
Rinklieb, Bill,
Sacramento Valley Soaring Society (SVSS) put on a Spring Fling in May. The Contest is reviewed. Teams from other clubs were in attendance.
- ,
Glover, Rob,
Obechi Finishing:220 grit sandpaper; apply light spackling to wood with plastic squeege' sand again w/ 220; pply color & finish with Varathane.
- ,
Lightfoot, John,
Servo current drain estimates are usually too low. John determines the avg. drain to be 70-150 ma depending upon the load and frequency of movement.
- ,
Glithero, Iain,
Interglide F3J Walsall, Staffordshire, GB is reviewed. Contest features were recounted. Excellent format for competition.
- ,
Pasierb, Steve,
Theories on why Thermal Snifflers are no longer seen at contests are put forward. Too noisy for purists. Not compatible with silent flight.
- ,
Willoughby, Dale,
Wilfried Klinger was a German scale it mfgr of 25 years ago. Dale gives us a report on what remains of his family's business which still survives.
- ,
Murray, Lee,
Lil' Scorpion kit is reviewed along with theoretical comparisons of flight performance to several previous popular kits. Several changes in kit.
- ,
Rettig, Fred,
Fred finally finds some success in competition but remembers that it is only a hobby but one with chances to socialize and improve yourself.
- ,
Slates, Judy & Jerry,
RCSD will be discontinuing the 3 class mailing of issues. The move will make RCSD more efficient and decrease costs in the long run.
- ,
Slegers, Ed,
FX35D speed controller from AI/Robotics provides about all the features needed for electric flight. BEC, 50A max, soft start/stop, overload prot.
- ,
Sky Bench Aerotech,
1.5M Sagitta is available in SD7032 or SD3021 AF. Flying wt: 10 to 16 oz. Bolt on foam wing sheeted with 1/32 balsa. Fuse is balsa & 1/64 ply.
- ,
Clerx Aeronautics,
Mako sailplane has winning record with SD7037 AF, 114" WS, 70-74 Oz., 11 Oz/Ft^2 loading, Obechi wings w/ FG-CF reinforcing $375/$185 kit
- ,
Performance Composites,
Starling and Starship are two models with 60" and 2M spans respectively. Uses high tech composites in fuselage and wings. (707) 253-8029
- ,
Clerx Aeronautics,
Mako, 114" composite model comes with obechi sheeting on SD7037 wing. Alternate RG 15 A/F. Removable nose cone on FG fuselage.
- ,
Performance Composites,
Starling and Starship models have RG-15 AF, 60" and 2M wings are for slope and thermal flying. Model weights are 30 and 39 oz.
- ,
Slates, J^2,
Likes and dislikes from reader's survey is shown.
- ,
Slates, J^2,
Cover and story about Texas National Tournament, DUST, Vintage Sailplane Association, SOAR builds membership and flying sites.
- ,
Murray, Lee,
Cost of RCSD is analyzed and corrected for number of pages and cost of living. RCSD has continued a trend to be more valuable with time.
- ,
Slegers, Ed,
Kansas City RC club contest is foremost US event for electrics. A wide variety of models and equipment are flown and displayed. Photos
- ,
Slates, Jerry,
Jerry covers the parting tray in the process of making molds for making fiberglass fuselages. Plug shape is cut out of flat board - 1 side finished.
- ,
Kuhlman, B^2,
2nd part of 4 basic concepts. EH airfoils offer high lift at low Cm values. Inverting tip airfoil or those with very + Cm values minimize twist values.
- ,
Good, Walter,
"V" tail mounting problems for the Magic were dealt with by using a f/g tube between the two surfaces and a screw mounting for the tail assembly.
- ,
Rettig, Fred,
Winter flying gives Fred some good flights. Back side of NW weather cold fronts provide good flying.
- ,
Jones, Gordon,
Univ. of IL will be doing wind tunnel tests at this time. Contributions are needed to support testing. Results will be in Soartech.
- ,
Dorig, Etienne,
Hinge tape made from 3M Blenderm seems to be an excellent tape. It is an OTC medical product. Clear, flexible, tear resistant, tacky, long life.
- ,
Mallett, Fred,
Shred-Air slope plane construction is discussed. Painted Mylars, finished leading edges, fuselage fairing, mounting stabs, etc. Bobby Dumas creator.
- ,
Pearson, Kitty,
Kitty describes the basics of communicating and training a new flyer using an RC sailplane. Ground Training, Clock Positions, Trainer Cords.
- ,
Lehman, Robin,
Launch line provides for control of relative altitude (tug - glider) using a flag. Other features are swivels, bungee cord & leader. Helps tug land.
- ,
Pasierb, Steve,
SD7037, RG15, S3021, E205, SD7032, E214, SD7080 Advantages & Disadvantages. Esteeme 3194 by Inventec uses ideas of author to achieve best performance.
- ,
Morris, Pancho,
People at contests should have timers before coming to the winch. A bad timer can ruin a contestants chances of doing well.
- ,
Griffin, David,
Joe Wurts visit to New Zealand resulted in a number of people learning how to improve their speed and distance capability.
- ,
Swinehart, Ron,
7th. Annual Alabama Silent Flyer Contest is reported on. Each round worth 1000 pts. Max times of 3, 5, 7, 9 & 11 min. Flown in any order.
- ,
Smith, Scott,
Technique hints for launching. Question is posed: What will a HLG model do if the rudder falls off during a launch? Answers solicited.
- ,
Murray, Lee,
Reasons given for not launching given during a down air cycle. The answers are taken from Compuserve's MODELNET.
- ,
Siposs, George G.,
Light colors are difficult to see in the sky. Dark colors are better but striped dark/light gives the best response at a distance. Metallic LE
- ,
Murray, Lee,
Instructions are given for obtaining the RCSD article database from Compuserve or directly as a text, Word Perfect or database file.
- ,
SkyBench Aerotech,
Cannon Radios are worlds smallest. Onboard flight packs weights: Rcvr 0.52 oz, CE4D servos 0.35 oz, Small batteries with switches.
- ,
Inventec Corp.,
Esteem 122EL is designed for 800 ft/min climb with 10 1000 ma cells, 3.5:1 gear reduction, 11/7 prop. Wing loading is low at 9.7 oz/ft^2
- ,
TLAR Enterprizes,
BAe Hawk/T-45 Goshawk kit features obechi sheeted foam wings and F/G fuse. The models kits are of good quality and are well suited for slope soaring.
- ,
Scanlogic,
KP-Soar indicates battery condition through rudder movements left or right. Audio alarms for used RC Channel, low bat., lost model. Aux battery plug.
- ,
ICARE,
Gel coated fuselages of 2M Ka-6e and ASK-21 gliders are of good quality The wing sections for each are quoted in the article.
- ,
Simons, Martin,
Elementary Stressing, Pt 2 gives 9 steps to determine if a spar design will stand up to the stress you intend to give the model. Excellent!
- ,
Murray, Lee,
Prescription sun glasses can be made from your old prescription glasses by having them tinted. Cost was $7 at Shopko a Midwest department store.
- ,
Rettig, Fred,
Corfed takes to Visalia CA for the annual contest. He presents photos and an account of the experience.
- ,
Williams, W.D.,
Sandwiches made with honeycomb material has greater adhesion than balsa or Rohacell. Weight is light. Thin (1/8 in) sheets are available.
- ,
Slates, Jerry,
Jerry goes through the process of making a fuselage from the plug and mold which was created in previous articles. Mold separation, Joining Fuselages
- ,
Slegers, Ed,
Ed makes a valuable list of equipment needed to get started in electric soaring. Specific chargers, motors, controllers, props, batteries, plane.
- ,
Pearson, Kitty,
Kitty shares more of her experience in learning to fly. The valuable aspects are shared.
- ,
Kuhlman, B^2,
Pt 3 of section on four basic concepts. A summary of Pts 1 and 2 plus Bill's preference with regards to a number of parameters.
- ,
Siposs, George G.,
"V" tail design advantages are discussed. A 9% savings is weight & area. A 102 deg angle is about optimum. Less control movement is needed in turn.
- ,
Simons, Martin,
Calculations for computing bending moments of wings gives insight to the strength of the wing near the root. Examples are given.
- ,
Eckel, Richard,
Programming the JR X-388S radio in not very difficult, but the instructions are. Rcvr channel IDs differ for power and sailplane. Start with defaults.
- ,
Clark, Paul,
RC hand launch flying has taken off in Japan. TDKH club is promoting the sport which seems to be well suited to restricted flying sites.
- ,
Murray, Lee,
Notes about preparations for vacuum bagging, making spar notches, (tools illustrated). Clean Mylar, put down white paint, put down silver paint.
- ,
Trubov, Nick,
Flying too high often results from letting the model fly itself. Take control before you get too high. Avoid steep dives with clean ships.
- ,
Sowder, Bob,
Bob begins a new column for local club activity: Miss. Valley Soaring Ass. and the Thomas's of Memphis TN are highlighted in this column.
- ,
Smith, Jim,
Comments about the safety of flying within 10 miles of an airport. At 10 mi commercial aircraft would be at about 3,000 ft.
- ,
Smith, Jim,
Continued: Blue blockers seem to bother eyes. Green is better. Smallest commercial aircraft would be at about 3,000 ft.
- ,
Smith, Scott,
World Handlaunch Jamboree review: Joe Wurts wins w/ aileron custom design. Polyhedral ships may have been generally more competitive. Low drag A/F
- ,
Smith, Scott,
Cont.: are expected to become more popular. Constant chord wings gaining popularity. Balsa sheets bagged on with white glue for very light F/G.
- ,
Michalis, Harley,
Instructions for finishing the leading edge of bagged wings when the Mylars are painted. 4 Steps: Cut Mylar, Clean off LE, Add wood LE, Finish.
- ,
Vasgerdsian, Greg.,
NASSA is the process of developing policies and procedures to organize the functioning of the organization to promote scale competition and newsletter.
- ,
Waltz, Buzz,
1st Annual Winter Soaring Festival is announced for Dec 10 at Empire Polo Field. Several full size sailplanes are to fly in.
- ,
Jones, Gordon,
Attributes of good photographs for publication are listed. 3/4 view, good lighting, cropped, appropriate detail shown, focus, plain background.
- ,
Composite Structures Technology,
Spider foam for hot wire cutting has much greater compressive strength with only 10% more weight. Skin weight can be cut to decrease total weight.
- 95 Jan,
Lehman, Robin,
Photograph of very large (1:2.5) Mueller LS-4 model of Long Island Skyhawks Club. Model owned by Bob Smith.
- 95 Jan,
Yan, Robert,
Thermal soaring activity in Hong Kong is included in a video provided by Robert. Photos of models included.
- 95 Jan,
Woods, Graham & Woods, David,
Words from England that the Internet now provides link with US hobbyists. Internet Address: dwoods@cix compulink.co.uk Wants US E-mail addresses.
- 95 Jan,
Stokely, Herk,
The Univ of IL will be testing early in 1995 the results will be issued as part of a several distinct issues of Soartech.
- 95 Jan,
Slates, Jerry,
Easily made spar. A 4" wide lamination of balsa and carbon fiber is made, cut into strips, the carrier tube is installed, box made, the spar tapered.
- 95 Jan,
Sleggers, Ed,
Good ideas on how to successfully help young people get into and get established in RC Soaring.
- 95 Jan,
Jones, Gordon,
Making fuselage and wing holders out of foam to aid in holding your work while under construction. Blue or pink foam is recommended.
- 95 Jan,
Yan, Robert,
Bamboo leading edges are very abuse resistant and weight efficient due to long straight grain. Apply water and heat to restore compressed wood.
- 95 Jan,
Sowder, Bob,
Ten reasons are given for having regular contests in our club. The club of the month is North Alabama Silent Flyers. Feature person is Mark Vlasak.
- 95 Jan,
Sowder, Bob,
When flying off rough terrain you can reduce wear and tear on winch line by using an elevated turn-around and intermediate support pulley.
- 95 Jan,
Rittig, Fred,
Corfed Talks about his dogs, how they are his best flying buddies. His dogs are always ready to take the anger and abuse when his thumbs get real thick.
- 95 Jan,
Eckel, Richard A.,
Part II dealing with the function set-up mode of the JR Propo X-388S Trx. Extensive user defined mixing options are defined.
- 95 Jan,
Kuhlman, B^2,
Part 4 of four basic concepts. Airfoil selection logic is articulated. Concept = low pitching moment for root, negative camber at tip, low twist.
- 95 Jan,
Smith, Scott,
Reason for success of aileron ships. Manual launching devices. Dec.Riddle answer: Model w/o fin and rudder will not turn but will fly straight.
- 95 Jan,
Pearson, Kitty,
Humorous list of things being carried in packs by R/C glider hobbyists. What things go on with flying isn't feasible.
- 95 Jan,
Savoie, Steven,
Coyote, "57 Chevy of Slope Soaring" modifications are suggested after years of experience. The suggestions are practical and best done when building.
- 95 Jan,
Simons, Martin,
Start of a series on basics: Theories, the Scientific Attitude, Forces & Flight, Mass, Weight, CG, Inertia, Action & Reaction.
- 95 Jan,
Bowlen, Clark,
An article on how a fuselage was designed for Clark's Monarch HLG. The new fuselage is slightly heavier but is durable enough to survive while learning
- 95 Jan,
Hazel, John,
Results of a computer winch launching study indicated that a "petal to the medal" launch produces the highest launch height if model and line survive.
- 95 Jan,
Tau, Manny, Uminski, Andrzej,
A list of German terms is translated to make the German publications more valuable to Americans with limited knowledge of technical German.
- 95 Jan,
Glover, Rob,
The author communicates his XC experience using his model, The Sacred Cow. Sounds like fun.
- 95 Jan,
Knowles, Christopher,
2nd Annual X-Country Flyers XC contest results are described. Pat Flinn team was first. Second to Dwight King.
- 95 Jan,
Vasgerdsian, Greg,
NASSA news update. Erik Eiche photos of OBS scale glider.
- 95 Jan,
Eckel, Richard,
Part III, setting up the JR X-388S Radio. This section for setting up surface limits and trim (flaps, crow, mixing options, proportions).
- 95 Jan,
Iafret, Jack,
Updated rules for a Nostalgia Sailplane Event for '95 LSF NATS are listed. Design publication before Jan 1 '80, original airfoil, plan form, Constrn.
- 95 Jan,
ICARE,
ICARE Sailplanes releases a 2M version of ASK-21 comes with obechi sheeted foam wings or built up wings and fiberglass fuselage.
- 95 Jan,
Ikona, Paul,
California Soaring Products opens and will handle soaring products including Slegers International products, used sailplanes, etc.
- 95 Feb,
Sharif, Sean,
Los Banos slope site is excellent. Cover photo shows DG-600 in flight over reservoir at Los Banos, CA.
- 95 Feb,
Sowder, Bob,
Plan for your contest by eliminating problems before the occur, advertise in magazines and send out flyers. Keep a to-do list. Flying with a flying
- 95 Feb,
Sowder, Bob,
[Cont.] buddy provides competition which sharpens skills. Mark Nankivil is the feature flyer of the month.
- 95 Feb,
Lehman, Robin,
Attributes of a good tow plane are listed. Large enough wing for visibility excess power, rugged landing gear, large fuel tank, slow flying.
- 95 Feb,
Williams, W.D.,
Author suggests that Graham Woods's observation that condensation occurs on the back side of the wing is to cooling rates/mass relationships.
- 95 Feb,
Kuhlman, B^2,
The design Essence by Alan Schwerin is discussed. SD3037 root SD8020 tip used in the model with success. Model has fences.
- 95 Feb,
Slates, Jerry,
1/2" foam carpet pads make a good wing friendly surface for a workbench. Krylon epoxy paint for fuselages. Bass Wood for leading edges recommended.
- 95 Feb,
Retig, Fred,
Valuable information on making good contest landings. Plan to be at a spot and altitude at T-30 sec., turn onto final lined up to spot. Control speed!
- 95 Feb,
Slegers, Ed,
Build light (ideas given), use thin airfoil, mount battery as far forward as possible, no switch, Z bends, no clevis. Ballast can always be added.
- 95 Feb,
Mallett, Fred,
Traveler design is discussed. The model was for someone who might want to fly while on business trips. The model does most tasks ok. Good info.
- 95 Feb,
Stahl, Gordy,
Gordy visits the Fox family in Iowa for a flying session. Gordy describes Charlie Fox's Genesis flying wing project and describes how the models flew.
- 95 Feb,
Pearson, Kitty,
Launching technique: retrieving the model: turn off Rcvr first: landing approach is very important. Good article with some humor included.
- 95 Feb,
Stricklett, Steven,
Internat. HLG Festival (Oct 94 San Diego) had 10 rounds of man-on-man comp. Different. Increasing flight times, target flight times.
- 95 Feb,
Jones, Gordon,
An optimum design for an RC Sailplane depends upon objectives. Equations for Panel Area and Aspect Ratio. Wing area is from sum of panels.
- 95 Feb,
Freeman, Fred,
A device which holds the model and highstart in place on the ground while you get in position with your transmitter. For flying by yourself.
- 95 Feb,
Morris, Pancho,
Pauncho suggests that the optimum CG can be discerned if the model when a gradual turn will not tighten. Other theories of model stability.
- 95 Feb,
Fogel, Gary & Scharf, Dan,
Automobile-towing models is evaluated. 900'launches achieved with 1000'line Visibility was a problem because of distance needed. Strong wings needed.
- 95 Feb,
Jones, Gordon,
Saturn 2.0 is similar to 2.9T model. HQ3/10 root 3/9 tip airfoils available w/ or w/o presheeted wings & stabs. PVC-T6 Aluminum spar. Good design for
- 95 Feb,
Jones, Gordon,
Cont: Tail boom can support V or T tail. Handles light lift well. Flies like a larger model.
- 95 Feb,
David Layne Designs,
Name of Layne/Urwyler is changed to David Layne Designs. A new 130" version is available with HQ 3.0/9 airfoil.
- 95 Feb,
Viking Models,
Steleto HQ 2.5/9 fuselages for 10" root chords and spans up to 114". Has S-Glass, Kevlar & Epoxy construction. Extra reinforcement available.
- 95 Mar,
Fogel, Gary,
Cumulus Clouds intensify UV-b Radiation during summer days when near the sun causing unexpected exposure. From Nature V371, p291
- 95 Mar,
Voss, George,
RCSD "T" shirts are available for $14.95 + $3 P&H. 1403 Linconshire Rd., OKC, OK 73159
- 95 Mar,
Blalock, Alan J.,
Building on plans best accomplished by taping plans to board, cover with plastic film, held in place with 2 side tape. Use 3M 77 to hold parts.
- 95 Mar,
Sowder, Bob,
AMA Rulebook should be changed to attract new contestants. Skill levels are needed. CASA club history is outlined with its prestigious members.
- 95 Mar,
Whiteside, Don,
Visionary by Hanger 4 Models is a foam wings & fuselage model. For low cost and fast building. Modifications listed. Wt=23 oz Loading=6.5
- 95 Mar,
Morris, Pancho,
Contest models & radios have gotten too expensive & the contestants too serious. We are intimidating would be contestants. Changes needed.
- 95 Mar,
Kuhlman, B^2,
Kevlar hinges tend to break after repeated flexing. Wax pen can hold out resin from the Kevlar to eliminate the problem. Constrn. steps are listed.
- 95 Mar,
Slates, Jerry,
Jerry goes through his preferred way to plan and make a foam wing. First Pt. covers templates, spar, inlaid balsa, hold down bolt hart point.
- 95 Mar,
Slegers, Ed,
Ed believes the US lags other countries in training youth in RC modeling. New book by Steve Bergmeyer on RC Soaring from Pitsco is part of series.
- 95 Mar,
Smith, Scott,
Long Beach & Pasadena model shows showed more HLG models than all other gliders. New entries: Dragonfly, Viper, Quest, Avenger, Illusion, Whipit
- 95 Mar,
Pearson, Kitty,
Kitty tells of her experience in learning to fly slope using her Sunspot. Column continues to be of interest to new entries into hobby.
- 95 Mar,
Steere, David,
Old Buzzard Goes Flying video is reviewed. It includes much of Dave's charm and savvy about training. Flying demonstrations are used.
- 95 Mar,
Osoba, Gary & Gell, Jim,
Jim wrote an article from Sailplane Builder about the use of microlift in full size soaring. Instructions are informative to R/C modelers.
- 95 Mar,
Rittig, Fred,
Corfed comments on his preparations for the flying season.
- 95 Mar,
Murray, Lee,
Wingmaster Model Wind Designer Ver 1.1 enables modelers to create rib or foam wings with incredible flexibility to specify curvature, sweep, (cont.)
- 95 Mar,
Murray, Lee,
(Cont.) Airfoil transitions. Outputs create wing planforms, ribs and templates directly or indirectly to plotters, CAD programs, or printers.
- 95 Mar,
Simons, Martin,
Martin embarks on a series to describe flight w/o using mathematics. First part deals with lift, drag, thrust, streamlined and separated airflow.
- 95 Mar,
Cleveland, Don,
The 1994 Tangerine Soaring Championship is a 3 day contest with skill classes. Held just following Thanksgiving. This year marked 21st event.
- 95 Mar,
Murray, Lee,
SMG Model Sailplane Catalog & Book by Walter Gerten is both a sales catalog and text describing performance of sailplanes and electric sailplanes.
- 95 Mar,
Murray, Lee,
(cont.) The software is mostly in German but the data can be discerned by the informed sailplane enthusiast. Lee offers free copies.
- 95 Mar,
Scharck, Ron,
HL Glider Festival 95 will be held May 20-21 by Torrey Pines Gulls of San Diego. Format is described with other associated social events.
- 95 Mar,
Harman, Bob,
The Wasatch Mountain Scale Soaring Festival will be held July 21-24 and will include slope, thermal, XC and Fun Fly events. Site is Salt Lake City, UT
- 95 Apr,
Gressman, Tom,
Joe Wurts is shown with high tech Blackhawk Unl class model.
- 95 Apr,
Nankivil, Mark,
A new silent flight club is born in St. Louis called the St. Louis Chargers. Contact Mark or president Peter George at 314-664-6613.
- 95 Apr,
Blakeslee, Byron,
Tower Hobbies has a 16.5" * 11.75" case for holding two transmitters and some additional items. Sam's Club has a similar box for slightly less.
- 95 Apr,
Gressman, Tom,
1995 7th. Annual S.W. Winter Soaring Contest held Feb 5th is reviewed. Several photos of fine models and competitors of note.
- 95 Apr,
Smith, Scott,
HLG models may be ideal for new flyers. Pros & Cons listed. Scott Smith strives to make his models easy to build. E-mail: 73541.3654@compuserve
- 95 Apr,
Slates, Jerry,
Part II of this article deals with the application of obechi onto foam. Specific and helpful details are given to insure success.
- 95 Apr,
Jones, Gordon,
Design Thoughts Pt. III deals with the dimensions of the nose, tail boom rudder, and stabilizers.
- 95 Apr,
Rettig, Fred,
Hints on thermalling come from a Buzzard as he eats Corn Fed's possum cleanings. Being observant of nature is an important aspect.
- 95 Apr,
Dunshire, Bob,
Requirements of aerobatic models includes 3 axis control, large rudder, nearly symmetrical airfoil, large control surfaces and deflections.
- 95 Apr,
Slegers, Ed,
1995 WRAMs show is covered in a series of photos of key players in the R/C Soaring industry.
- 95 Apr,
Kuhlman, B^2,
AR193-S75, AR2411-S77, AR2610-S80 are the topics of this article. Alfons Reiger is the source. Coordinates are given.
- 95 Apr,
Bostic, Henry,
The Soaring League of Texas is the club of the month. Thermalling is the principle function but soaring done off a landfill.
- 95 Apr,
Mallett, Fred,
A method of making wing saddles on fuselages by molding a stiff epoxy mix between the protected lower surface of the wing and the protected fuselage.
- 95 Apr,
Thomas, Jim,
Vulcan 2M from Slegers International is a Mark Allen design which features Balsa spar-CF caps inside obechi sheeted wing. V-tail 36.5 oz.
- 95 Apr,
Simons, Martin,
Details of flight are described in easy to understand terms. Bernoulli effect, mass vs force, stall angle, aerodynamic zero, lift, drag.
- 95 Apr,
Whiteside, Don,
Instructions for programming the Futaba 7UAFS, Super 7 Radio to have features offered on more expensive radios.
- 95 May,
Lackey, Roger,
Guatamala's Mayan Soaring Match '95 was attended by several Americans. Held on a terrace in the mountains at 6000 ft. 20 Contestants 40 guests.
- 95 May,
Harden, Kale,
Vulcan 2M from Slegers Int. is for experienced builder (no plans). FG fuse is beautiful and strong solid balsa V tail. Obechi 3 piece wing.
- 95 May,
Slates, Jerry,
Instructions on attaching wing skins to cores with various methods. Expense need not be high.
- 95 May,
Jones, Gordon,
Pt. 4 of series continues with an overview for creating you own sailplane design.
- 95 May,
Slegers, Ed,
New products #211 speed controller w/ brake; Astro Flight field charger 115D is peak detection AC/DC charger. Skyshine is a highly reflective
- 95 May,
Slegers, Ed,
Continued: sheet product. Also comes as round servo cover; Litco battery charger/discharger has controlled charge rates.
- 95 May,
Eiche, Erik,
Cutting holes using brass or steel tubing in a range of materials. Guides are described which make the job more precise.
- 95 May,
Sowder, Bob,
Landing Skegs are not a safety issue. Airtronics & JR servo arms can be exchanged. Central Ontario Glider Club is club of month.
- 95 May,
Ritig, Fred,
More hints from The Buzzard to progress on your thermalling skills.
- 95 May,
Bailey, Don,
Comparisons are drawn between full size and model gliding. The joy of flying a scale ship compares favorably with full size and F3B models.
- 95 May,
Thomas, Joe,
Our initial basic models hold a special place in our hearts. Keep the models for slope soaring or for times when the risk is higher.
- 95 May,
Kuhmlan, B^2,
Graphical procedure for finding neutral point of a graphical procedure for finding neutral point of wings. Significance of CG and NP.
- 95 May,
Mallet, Fred,
A thermal duration design is discussed. 70" span triple taper white foam wing, obechi wing, lost foam FG pod & boom structure V tail. Vac. bagged.
- 95 May,
Kukral, Ron,
SOAR new years day 95 slope soar on Lakeside slope in IL. Mt. Baldy
- 95 May,
Bailey, Tom,
Good instructions on talking to interested members of the public. It's in our best interest to build and maintain our club memberships.
- 95 May,
Simons, Martin,
Lift is a function of speed squared. High wing loads require higher flight speeds. Disc. of Relative Wind and Ground Speed vs Flight Speed.
- 95 May,
Carson, Bernardo,
Euromeeting VAL DI FASSA was a super scale soaring event in the Dolomiti Mts. of Italy. Beautiful photographs and interesting descriptions.
- 95 May,
MM Glider Tech,
Entry level competition glider uses rib construction. 250 ma bat, SD7084 triple taper 55.25" rib wing. Wt 11 to 13 oz. $42 310-923-2414.
- 95 May,
Hayes, Ray,
WINGS 1.5M flight training program celebrated. 1st NATS event at LSF Nats in Muncie. 30' 1/8" ID tube, 120' line highstart. Targeted to train.
- 95 Jun,
Hoopes, Tom,
Point of the mountain, wasatch Mtn., Scale Soaring Festival is promoted for 7/21-23/95. Location and plans are discussed.
- 95 Jun,
Edmonds, Terry,
2nd Pt. of Mayan Soaring Match coverage from Guatemala City. 3 flights for 15 min. was task. The event was comb. of tourism and competition.
- 95 Jun,
Walz, Buzz,
Coverage of the Dec 10, 94 scale contest. A thermo Flugel ASW-24 had the longest thermal flight of 15 minutes.
- 95 Jun,
Pearson, Kitty,
The virtues of a buddy box are discussed. Eliminates crashes and makes training a rapid and sure operation.
- 95 Jun,
Slates, Jerry,
Custom made control horns from PCB stock is described. Jerry uses a #53 drill (0.0593") to get a tight fit with Dubro Kwik-Links (0.060").
- 95 Jun,
Slegers, Ed,
Beginners are cost conscious. Speed 400 motor for $15 comes for 4-6 cells. They are limited to 10A. Prop gear combinations listed. Controllers listed
- 95 Jun,
Sowder, Bob,
Skill categories are needed, competition ships discourage new entries to hobby. Promote flying skills not competing. Ray Hayes WINGS program.
- 95 Jun,
Kinkaid, Leon,
Leon Summarizes his long modeling life adding spice from a few experiences.
- 95 Jun,
Rettig, Fred,
California Soaring Products has a fine line of soaring products. Phone No. is 818-966-7215
- 95 Jun,
Knight, Sherman,
V tail mixing with the JR X-374 and 388 computer radio. Covers mode Setting, Function Setting Mode, Rudder & Elev. or Rt. Stick, Control Throws.
- 95 Jun,
Boysen, Art,
Fred Sage caries V tail conversion kits for a range of gliders. V-Tails reduce nose and total wt. of model. Sensitivity to thermals is improved.
- 95 Jun,
Kuhlman, B^2,
The "W version of Horton XV by Hermann Zahlman is described. Improved performance is demonstrated.
- 95 Jun,
Jones, Gordon,
Rule change proposals considered. Landing arresting devices. F3B was made a formal event. CAIM wants not to run both F3J and F3B.
- 95 Jun,
Savoie, Steve,
A drilling jig is described for drilling parallel holes in the root ribs
- 95 Jun,
Simons, Martin,
Flight Without Figuring pt 4., Downwash -how air flows around airfoils and its relationship to lift and drag; Induced Angle of Attack; Pitching Moment
- 95 Jun,
Simons, Martin,
Continued: Aerodynamic Center; Aerodynamic Center of Pressure; Center of Gravity; Stability Margin.
- 95 Jun,
Thomas, Jim,
Fox models Wasp is a pod & boom, white foam SD7037 thripple taper winged HLG model. A series of modifications were made and evaluated.
- 95 Jun,
Thomas, Jim,
Continued: Modifications: flaperons, polyhedral to dihedral with tipplets, S4083 airfoil, gray foam.
- 95 Jun,
Slates, J^2,
Silent Wings Soaring Association, SWSA, includes Paul Ikona (Cal. Soaring Products), Curt Nehring (RCSD Cartoonist), and Mike Deckman.
- 95 Jun,
Slates, J^2,
Rose Bowl Soaring Festival is a 2 day event. One of three in CA. Highlights of models and vendors. Good photography.
- 95 Jun,
Beck, Dave,
AERO* Comp by Paul Ogoshwitz is an electric model performance analysis program. Optimize prop., motor, battery, model dimensions, airfoil.
- 95 Jun,
Beck, Dave,
Cont. Over 200 motors are included. Airfoils from Soartech 87 are included.
- 95 Jun,
Raley, John,
Astro Electric Cargo Plane weight lifting contest is described. Rules: 7 cells, take off in 150 ft., 1 min. flight. Record is 12 lbs.
- 95 Jul,
Jaffee, Brett,
Review of Birdworks' Rubber Duck flying wing is a low cost abuse resistant model which is ideal for fun flying without fear of expensive accidents.
- 95 Jul,
Ealy, Jim,
25 pupils of Peddie School in Princeton, NJ are participating in a training program w/ a grant from Toyota to learn science in a calculator based lab.
- 95 Jul,
Ealy, Jim,
Cont. The program will collect data from glider models. Alternate wings will be tested. School has a home page on the World Wide Web.
- 95 Jul,
Spoer, Johnathan,
An imaginary trip to a monthly contest is intended to encourage people to compete and improve their skills, and enjoy your self.
- 95 Jul,
Pearson, Kitty,
A discussion of 4 and 5 cell batteries, how to treat your batteries. NiCad batteries will take many charges.
- 95 Jul,
Jones, Gordon,
Status report from Selig et al wind tunnel tests from the Univ. of IL. Data to be published in print in SoarTech and on data disc from SoarTech.
- 95 Jul,
Baker, Bill,
A soaring vacation in Big Bend National Park is discussed. Most sites were not ideal. Landing sites are a problem. A hand launch glider may be best.
- 95 Jul,
Slates, Jerry,
1/5 and 1/4 scale landing gear for sailplanes are discussed. Gene Cope now sells retract kits which go together in 40 minutes. Works well
- 95 Jul,
Knight, Sherman L.,
Retrievers: manage twist, tie proper knots, swivel specs, don't pulse. Procedure for new brushes. Split rings, Line size, Turn Arounds.
- 95 Jul,
Rettig, Fred,
The 95 Masters of Soaring contest in LA was covered from a personal perspective of Cornfed.
- 95 Jul,
Kuhlman, B^2,
An examination of multiple control surface systems. Up to 8 surfaces can be used to optimize the control functions on a flying wing.
- 95 Jul,
Deckman, Nehring & Ikona,
Southern CA Soaring Clubs (SC)2 is featured. Competition and camaraderie are promoted. Classes: Sportsman, Expert, Master & 60+ (All Unlimited)
- 95 Jul,
Smith, Scott,
Hand launch events have evolved from primitive to matured. Multichannel models now required for winning. A Std. HLG class is needed (2 ch. max).
- 95 Jul,
Mallett, Fred,
Foameron is a 62" model with wingeron control. It is extremely rugged and flies well. Wing turns on arrow shaft spar/bearing.
- 95 Jul,
Sharif, Sean,
An account of the Los Banos Slope Scale Soar-In is given with photos and descriptions of scale and PSS models.
- 95 Jul,
Simons, Martin,
Pt 5 of Flight w/o Figuring. Philips Entry explained. Camber is explained as being a line midway between the upper and lower surfaces.
- 95 Jul,
Willoughby Enterprises,
T.U.F. line is Spectra line. Small size for strength gives high launches. 300 yds is $13. Longer length are available. 925-539-9666
- 95 Jul,
McCann, Tim,
Skegs and skids for contest work or rough landing areas are available Costs are $5 each. P.O. box 2091, Harrison, AR 72602
- 95 Jul,
Soaring Specialties,
Lancer features balsa sheeted foam wing, glass/Kevlar fuse., and built up stabs. 522 in^2 wing is SD7037. Wing is sheeted but must be joined.
- 95 Jul,
F.K.H. Enterprises,
A RC transmitter tray and performance pad was designed for confort. Fatigue is reduced. Cost is $39.
- 95 Jul,
Slates, J^2,
- 95 Aug,
Barter, Ernie and Jo Ann,
Ernie's full size 707 is described a scale glider.
- 95 Aug,
Turner, Craig,
The thrill of thermal soaring is comparable to catching a fish. The task of finding a thermal would be bore if it were a certainty.
- 95 Aug,
Mallett, Fred,
Texas National Tournament 95 (TNT) report. Tasks 3,5,7,9,11 max pilots choice (day 1) and 3 flights for 21 min on second day. Full Report
- 95 Aug,
Mallett, Fred,
The role of a timer is discussed as well as some safety issues. The loss of 8 models at the TNT was provided some examples.
- 95 Aug,
Eckel, Rick,
The spin maneuver created by full rudder and up elevator can help you find a model when you loose site of it and can limit damage. Avoid spiral dive.
- 95 Aug,
Deckman, Nehring & Ikona,
Elements for succeeding in contests include: attitude, skill, talent, equipment, practice, and timer.
- 95 Aug,
Kuhlman, Bill and Bunny,
Javelin balsa skinned foam core flying wing by Quality Fiberglass is reviewed. Steve Savoie provided input to article.
- 95 Aug,
Smith, Scott,
America On Line (AOL) and the Internet was tapped for ideas. Web sites are listed. Some ideas from these sources are listed.
- 95 Aug,
Jones, Gordon,
Selig Airfoil Book "Summary of Low-Speed Airfoil Data - Volume #1" is now available from SoarTech Publications. More issues to follow.
- 95 Aug,
Sowder, Bob,
The landing task in contests is discussed. Does it count too much or is it ok as now used?
- 95 Aug,
Slegers, Ed,
Mark Allen's Vulcan 2M sailplane was converted to electric w/ conventional tail. The model flies very well. Conversion notes are offered.
- 95 Aug,
Decker, Jay S.,
Thermal Buster glider by K&A Models Unlimited is reviewed. Quality wood parts build into polyhedral 13 oz model. Airfoil is E205. Price: $30
- 95 Aug,
Conrad, Joseph,
Gun Slinger format described (21 flights of successively increasing flight times. The Seattle Area Soaring Soc. HLG contest of Apr 15, 1995
- 95 Aug,
Knight, Sherman,
The Monarch by Joe Hahn has undergone changes more reinforcement in fuse. Wing has been made even thinner. Four custom modifications are discussed.
- 95 Aug,
Lehman, Robin,
Testing large batteries in your model requires that testing under load in order to judge remaining charge. Appropriate chargers are also needed.
- 95 Aug,
Simons, Martin,
Flight without Figuring Pt 5 cont. Camber line defined and discussed. Terms Undercamber, bi-convex, semi symmetrical. Finding the camber line.
- 95 Aug,
Garwood, David,
Olympus Trim MD camera is put into Paragon fuselage and photographs are taken. Diagram of mechanism from operating shutter release is shown.
- 95 Aug,
Hollidge, George & Whiteside, Don,
Repairing R&R molded wings is described. The R&R construction can be repaired while European molded wings cannot. Good reference article.
- 95 Aug,
Thomas, Jim,
Jim laments the passing of Earle Latimer and reflects on Fred Rettig's advice: Keep perspective in our lives and recognize those things that are
- 95 Aug,
Thomas, Jim,
Continued: ...truly important as opposed to those that we assign more importance to than they truly deserve.
- 95 Aug,
Fulmer, Daniel,
Dynaflight Freedom glider modifications were listed. Experienced based improvements were developed: control systems, rudder, slots.
- 95 Aug,
Gray, Jim,
The Mistery Ship by Bob Martin is a 118" span SD7037 airfoil ship with wood laser cut parts and "T" tail. Sells for $150.
- 95 Sep,
Mallet, Fred & Griggs, Bill,
Cover shows Fred and Bill talking about CG on an A-6 power assisted scale model at Francis Peak. Photo by Dave Garwood
- 95 Sep,
Chovan, Joe & Garwood, David,
Reasons 'Why RC Sailplanes are so Addicting' are listed. Responses are gathered by E-mail in cyberspace. Interesting philosophy about our hobby.
- 95 Sep,
Slates, Jerry,
Jerry tells of his trials in preparing for and going to Mid-South Soaring Championship. Then his experience with Martin Simons at Caddo Mills.
- 95 Sep,
Booth, Richard,
July Jubilee sponsored by the Richardson Radio Control Club raised money for Spina Bifica Association.
- 95 Sep,
Smith, Scott,
Retraction of earlier statement that winners of ISS HLG contest were full house models. All were rudder elevator models. Dodson's Orbiter specs.
- 95 Sep,
Smith, Scott,
[Cont.] Mini phone jacks used as on off switches and charging jacks on HLG models. Info. from Internet E-mail add: scott@stateofheart.com
- 95 Sep,
Kuhlman, B^2,
Dr. Martin Lichte's EMX 07 and 14 low pitching moment airfoils are discussed. Coordinates are include. EMX 14 is for moderate sweep models.
- 95 Sep,
Jones, Gordon,
Wings are being tested in Texas which transition from one airfoil at the root and another at the tip. This allows very slow flight w/ no tip stalls.
- 95 Sep,
Slegers, Ed,
Large electric models are becoming more popular. The electric Skyhawk provides ample room for equipment w/ 10 cells. Performance is impressive.
- 95 Sep,
Rettig, Fred,
Preparing for contests is a basic part of success and taking advantage of luck which might come your way. Get your landing! Don't give up points.
- 95 Sep,
Selig, Michael,
Objectives for future tests: Popular thermal airfoils with flaps; Tail airfoils with less deadband (S8025); SD7037-RG15 compromise SD7080.
- 95 Sep,
Abell, Bruce,
A hot wire cutter is described for making spar groves & wire traces in foam core wings. It is powered by a 6V soldering iron transformer.
- 95 Sep,
Deckman, Nehring & Ikona,
SWSA 2M Soarfest '96 plans are discussed. A 2 day event w/ 3-10 min max. Registration limited to 100 with cut of by April 15th. Raffle included.
- 95 Sep,
Deckman, Nehring & Ikona,
[Cont.] 2M Revival is in progress. A broad range of models are expected for the June 8 and 9 contest by SWSA.
- 95 Sep,
Thomas, Jim,
CR Blazer has a 60" S3014 balsa sheeted tapered foam wing and FG Fuselage. V-Tail. Good construction notes Good light air model $100 price.
- 95 Sep,
deVries, Daniel,
TRC Impulse 2D metal hydride microprocessor controlled fast charger/cycler uses the latest technology for charging these batteries. NiCad Chargers.
- 95 Sep,
deVries, Daniel,
[Cont.] Information about battery technology useful to modelers. Terms: Endothermic charging, soft peak, dendrite growth, balance.
- 95 Sep,
Wahl, Ron,
Rodel Modellbau 1/4 Scale ASK 21 is reviewed has FG fuse and balsa sheeted foam core wings. $495 from Sailplanes Unlimited. Spoilers extra.
- 95 Sep,
Garwood, David,
Soar Utah 95 review by David Garwood. Five days of real fun filled Dave with memories. Thermalling over valley was done when wind speed fell.
- 95 Sep,
Voss, George,
Wasatch Mountain Slope Soaring Festival X-country effort of author is discussed. George gets bumped out of the truck and still wins event.
- 95 Sep,
Fiederlein, Taylor,
Long Island Silent Flyers held 18th Annual Empire State Soaring Classic at Syosset, LI on 6-17 & 18. Only 20 mi from NY city. Lists of most popular
- 95 Sep,
Fiederlein, Taylor,
[cont] sailplanes and radios. Weston Magic(7) and Vision (18). List of winners given.
- 95 Sep,
Dream Catcher Hobby, Inc.,
Tom Williams - Craft-Aire Sailaire is being re-released at $160. PO Box 77, Bristol, IN 46507 ph: (209) 848-1427.
- 95 Sep,
Sky Bench Aerotech,
1.5M Osprey is a HLG model with optional T tail, laser cut ribs with extra wood removed. Wing is fully sheeted. $90
- 95 Sep,
L&H Distributors,
Mystery Ship by L&H is a 3M 118" is a built up wing design all wood model. Lite ply fuse with T tail. SD7037 airfoil. (520) 855-6900
- 95 Sep,
Morris, Pancho,
A Winch-Retriever Bridle is shown which keeps the retriever line from getting wrapped around the model. Bridle is 3' long, there is a steel
- 95 Sep,
Morris, Pancho,
[cont] leader (18 in) for the retriever attached to one end of bridle. Ring at other end goes to the model. Winch line attaches on ring slide.
- 95 Sep,
Chapman, Scot,
Cool Band is placed around neck and when wet, keeps you cool in the hot sun. Summer of 95 was very hot. This is a cool tip.
- ,
Fortorny, Kevin,
First digital photograph of full scale sailplane in flight taken from another appears on RCSD cover. More photographs to follow. Kodak DCS 200
- ,
Blanco, Scott,
Several photos of slope soaring adventure to Cape Blanco, Oregon where several days of slope soaring were experienced. Photos
- ,
Savoie, Steve,
Steve reviews four construction methods used to construct foam wings. Designs are compromises between strength and weight.
- ,
Lehman, Robin,
A trip to visit Roland Kern (Roke Modell) 30 km south of Frankfort. Signs in town actually direct people to Roland's home.
- ,
Slates, Jerry,
'Building Hollow Composite Wings' is the subject of a video from Soaring Stuff. Topics: making, plugs, molds, spar design. 75 minutes.
- ,
Kuhlman, B^2,
T.W.I.T.T reports the design of a new stealth fighter which looks like the B2. Scale model construction is promoted.
- ,
Sowder, Bob,
Information about the RCSD entry level design are answered. Bob is the key person to communicate with on this ELD contest.
- ,
Deckman, Mike, et.al.,
Short fields and contests often require hot launches. Prism by Ben Matsumoto has been up to task. Q&A about its features and options.
- ,
Deckman, Mike, et.al.,
[cont.] Spider foam, wing rod options, triple taper, color selection, Krylon paint, flutter, hinging. S7077 Airfoil may be new floater std.
- ,
Jones, Gordon,
Modern software allows modelers to change airfoil thickness and camber and mix top and bottom surfaces. Wind tunnel testing may not translate.
- ,
Lehman, Robin,
Glider Tow Fun Fly site is requested in Pennsylvania, Ohio, Delaware area. The event is envisioned to emulate the Swiss I.G.G. event. (RCM Nov 92)
- ,
Savoie, Steve,
Airtronics Infinity 600 programming tricks are listed. Flaps on a switch, Aileron to Elevator Slope Mix, Elevator Preset, Crow & Camber, Neg. Diff.
- ,
Simons, Martin,
Pt.5 of Flight Without Figuring, continued. Lift Curve, Camber, Slope of Lift Curve, Aerodynamic Zero.
- ,
Gray, Jim,
Sailplanes-A digest for Scale Modelers by Ferdinando Gale and Aldo Calza is reviewed. A reference for scale modelers wanting proven unusual designs.
- ,
Stipis, Yanni, et.al.,
Summary of flight development up to the three Write Brothers' gliders. Pioneers: DeVinci, Cayley, Lilienthal Flying Site: Kitty Hawk
- ,
Knight, Sherman L.,
Hand launch models are evolving from polyhedral designs to multifunction sailplanes. Mods to the Monarch are detailed and evaluated.
- ,
Knight, Sherman L.,
[cont.] Items modified include dihedral, tip angle, depth of flap and ail. Tail control surface control points, wing incidence. Good Article!
- ,
Swinehart, Ron,
Review of Mid South Soaring Championships. Man-on-man format with max times of 3,5,7,7,7 for 900 pts + 100 pts for 4L landing. Photos & Standings
- ,
Glover, Rob,
As part of the Mid-South Soaring Championships, the XC event is covered in a nice report with photos showing models flown and standings.
- ,
Slegers, Ed,
KRC-95 electric meet was again held in Quakertown, PA. Several photos and a few words to describe the participants and the event.
- ,
ICARE Sailplanes,
Spark 1 and 2 are 53" & 71" span models for acrobatic and thermal tasks respectively. FG fuselage with foam core wings.
- ,
Fisher, Charles,
Sky Jack by Jack Hamilton is shown on cover. Chuck Fisher is the artist and was done as a watercolor painting.
- ,
Slates, Judy & Jerry,
Due to increased paper costs and elimination of 2nd class mail, RCSD costs are up and in response, the size of the publication is being reduced.
- ,
Lehman, Robin,
White sailplanes are subject to disappearing at high altitude. White keeps planes cool & causes visibility problems. Contrasting stripes recommended.
- ,
Gray, Jim,
"Understanding Polars Without Math" by B"^2Streamlines tells the common modeler how to take advantage of the information on airfoil polars.
- ,
Slates, Jerry,
A description of the LASOAR 650 by Perret's studio. Model comes out light by finishing the wing with sanding sealer, light spackle & urethane.
- ,
Slates, J^2,
A list of videos of interest to RCSD readers is given. Foam cores, hollow composite wings, thermal soaring, getting started, aerospace composites
- ,
Cope, John,
The Wonka Web Service will help you create a web page. Check out the Pacific Northwest R/C soaring page at http://www.wolfenet.com/~gcope
- ,
Scharck, Ron,
117" Airtronics Peregrine is given high marks for easy construction, flying ability and landing ability. Plane flew perfectly the first time.
- ,
Scharck, Ron,
[cont.] Tips are given for control rod installation, longer servo trays strengthening tips, beveling control surf., finishing.
- ,
Kuhlman, B^2,
Discussion of F. Gale's Ubara bat wing design. The typical CG calculation would be too forward due to constant chord swept wing considerations.
- ,
Cope, Gene,
A scale fun fly is covered in Yakima, WA. Aero towing was used. Some very long flights were recorded in both Vintage and Modern categories. Photos!
- ,
Whiteside, Don,
Starling by Performance Composites is evaluated. This is a 60" span ARF V tail model. Obechi sheeted foam wing. Options affect price.
- ,
Whiteside, Don,
[cont.] building procedures described. Servo wells can be routed by P.C. Options: plywood tips & ballast mounting screw. Flying was excellent.
- ,
Deckman, Mike, et. al.,
Visalia Fall Soaring Festival and the host city is described. Winners and their models and radios are listed. Description of new kits: Mako 2, Prism
- ,
Deckman, Mike, et. al.,
[cont.] Dazzle, V-tail Prism. Bob Harrold makes aluminum mini gliders. Sponsor is Central Valley R/C Soaring Club.
- ,
Whiteside, Don,
Don does a follow up to his Mar/95 RCSD article on the Visionary. Mods are listed based on some additional experience. Hanger 4 is producer.
- ,
Cameron, Steve,
A review of the HL events at Muncie AMA/LSF nationals. Heat and humidity were significant factors. Steve flew an Orbiter.
- ,
Botha, Gavin,
BS Engineering (Botha & Spicer) releases an FAA legal F3B winch. Different spool options make it useful for thermal duration. (408) 338-0662
- ,
Hahn, Joe,
Monarch C now has carbon fiber in the fuselage, wider tip chords, FG tips glue onto tip rib. Pre-sheeted wings are Std. DJ Aerotech (513)773-6772
- ,
Simons, Martin,
IVSM-95 demonstration of aerotowing is captured in cover and description on page 4. International Vintage Sailplane Meet. Robin Lehman's LS-4 shown.
- ,
Derstine, John,
The full size International Vintage Sailplane Meet at Elmira NY had an RC aerotow demo. This is an account of the whole event with photos.
- ,
Simons, Martin,
Martin extends comments made by others at Elmira. Sailplane pilots were often modelers. Full size vintage planes were listed.
- ,
Lehman, Robin,
Robin indicates that there is growing interest in aerotowing and scale. It seems the two may foster a needed symbiosis to allow both to grow.
- ,
Foster, Mark,
Most scale models come from Germany. Sailplanes Unlimited and Windspiel Models are the recommended ways to get imported models. Also Aero Towing.
- ,
Slates, Judy,
Obtaining imported models is time consuming and expensive. Robin Lehman accepted the task of communicating with RCSD readers on the scale seen.
- ,
Slates, Jerry,
Horizontal stabilizers can distort over time especially if one side is finished differently. Be sure to check for warpage with time.
- ,
Slates, Jerry,
The best spars provide bending & torsional strength at minimal weight. Tensile strengths are given for E & S-Glass, Aramid, Carbon and Balsa.
- ,
Deckman, Mike, et.al.,
Information given on spotting thermals. Clues include: seeing the model's flight change, seeing the thermal w/ blue blocker, look for lift near sink,
- ,
Deckman, Mike, et.al.,
[cont.] watch for lulls in wind then go upwind, fly toward shifts in wind direction, recognize wave vs thermal lift.
- ,
Knowles, N. Christopher,
1995 X-Country and Pig Roast is described with photos and list of finishers. Pat Flinn from Mich. wins event.
- ,
Martin, Bob,
The Mistery Ship by Major Hobby is the first all laser cut wood kit. No composities used. 118" model,~70 oz SD-7037. Excellent ship on a budget.
- ,
Schmitz, Charles,
Wing platforms are compared graphically for Falcon 880, Legend, Waco 10-550 Falcon 550E, Thermal Eagle, Genesis, Shadow. Data from MaxSoar data files
- ,
Sowder, Bob,
Helping new flyers is important to clubs. Valley Aero Modelers have a contest format which has been successful for years with easy rules.
- ,
Sowder, Bob,
Contestant chooses from three different tasks upon landing. Landing points = 25. List of contest turn offs. VAM club has AMA Award of Excellent.
- ,
Galletti, Joe,
Joe describes the elements of frustration which he has tried to eliminate or minimize. This enhances his enjoyment of the sport. Excellent Article!
- ,
Lehman, Robin,
Rather than a student being a receiver of an instructor's verbal commands, a student learns by way of a small hand held R/C model to correct situations
- ,
Lehman, Robin,
[cont.] Level wings, Fly model in a circle. Work on pitch control. Turns with pitch control. Later use of a training chord is highly advised.
- ,
Bowlen, Clark,
Part II of article on The Puma describes the fuselage and flying V tail. An alternate wing was made. Model weighs 10.5 oz. Cores are available.
- ,
Sile, Jack,
Radio Glide is a the British Assoc. of RC Soarers, BARCS contest. Middle Wallop was the 95 site. Coverage with photographs is given.
- ,
Mattes, Pat,
A poem "To Soar with Eagles" is presented. It is a poem written from the perspective of the eagle seeing R/C sailplanes.
- ,
Perret's Studio,
Lasoar 1200 by Paul Perret is the winner of 94 and 95 Electric Nats. 139" span SD7037 airfoil models for 25 and 40 size motors.
- ,
Sky Bench Aerotech,
The 2M Osprey kit uses foam core wing with optional configuration, Schuemann planform, S3014 wing, 43 oz, bolt on or 2 piece wing option.
- ,
Eckel, Rick,
Instructions for mixing full house sailplanes using computer radios. Terms. are defined. Logic of flight modes are discussed.
- 96 Jan,
Lehman, Robin,
Photograph of very large (1:2.5) Mueller LS-4 model of Long Island Skyhawks Club. Model owned by Bob Smith.
- 96 Jan,
Widel, Ron,
Steve Hinderks of The Birdworks shows off his 165" wing area is shown on cover. The design is not very stable but looks like the real thing.
- 96 Jan,
Simons, Martin,
Photos from various events and places: Monarch, Spalinger 18, ASW 23 HLG contest 7-9-95
- 96 Jan,
Gray, Jim,
Gene Zika's, "RC Soaring... A Laughing Matter" is reviewed. Gene Zika is a degreed musician and has a masters in Computer in Education.
- 96 Jan,
Widel, Ron,
Photos of Joe Newland's F9F, RnR Products SB/XC, group of sailplaners.
- 96 Jan,
Savoie, Steve,
Aerospace Composite Products Auto Vac Vacuum unit is reviewed. The unit is perfectly sized, reliable, and maintenance free.
- 96 Jan,
Slates, Jerry and Skinner, Jim,
Spyder Foam is a bit more dense than blue foam. Cuts easily. The design of the Prism is discussed along with its mode of failure in a test.
- 96 Jan,
Sowder, Bob,
Modeling clubs of Memphis has a Model Expo to promote wide range of model aviation in a city park.
- 96 Jan,
Sowder, Bob,
[cont.] The history and status of Coffee Airfoilers of Tullahoma, TN is described. Prominent include Chuck Anderson, Lee Webster, Ben Cleveland
- 96 Jan,
Lehman, Robin,
The wisdom of using a training chord for new pilots is explained. The steps for setting up a chord is included.
- 96 Jan,
Boyd, Douglas,
The details of a proper zoom launch are defined along with a touch of humor by the Winch Doctor
- 96 Jan,
Enhuei, Joe,
Large scale models offer a unique experience and can be enjoyed on small fields with electric power. Advantaged and disadvantages are discussed.
- 96 Jan,
Enhuei, Joe,
[cont.] details of installation and weight gain are included giving user a good picture of what to expect, including costs.
- 96 Jan,
Wilson, Oliver,
Optimizing model design must include selection of airfoil, aspect ratio, wing loading, and strength. David Fraser's Sailplane Design software used.
- 96 Jan,
Simons, Martin,
Flight w/o Figuring Pt 6 Topics covered include: Camber, Balance, Pitching Moment, Center of Gravity, Center of Pressure, Diving and Airspeed Effects.
- 96 Jan,
Siposs, George,
Stress concentration is defined and ways to avoid failures related to this phenomenon is discussed. spars, joints, sheer webs, testing
- 96 Jan,
Darnell, D.O.,
A 2M ship is made from wing and fuselage from different sources. Tekoa wings cost $1/inch. Instructions given to use Levoe Design fuselage.
- 96 Jan,
Kuhlman, B^2,
EH 0/9.0 airfoil by John Yost is a good choice for vertical fins and stabs Don't thin to less than 7%. Program for computing reflexed camber lines.
- 96 Jan,
Hayes, Ray,
Great Lakes Soaring League 1995 Fall R/C Soaring Festival Results Event is for 2M and HLG models. 4 best flights in 2 hours prior to lunch
- 96 Jan,
Hayes, Ray,
[cont.] six rounds of Man on Man short start competition for 1.5M ship. HLG contest had 4 10 minute rounds with 2 min maxes.
- 96 Jan,
Nutter, Dale,
TULSOAR contest review The Tulsa RC Soaring Club sponsored this 2 day event. 2M, Unl, Sportsman. 12 Rounds were flown.
- 96 Jan,
Scharck, Ron,
International Hand Launch Glider Festival '95 is reviewed. Ten rounds of varied tasks over two days. Joe Wurts wins.
- 96 Feb,
Ben Clerx,
Cover photo of Ben launching his Mako Unl Sailplane was taken by the late George Siposs.
- 96 Feb,
Slates, J^2,
Survey indicates readers want to read RCSD on Airplanes, Beds, Bathtub, and Breakfast, and in Car. Little interest in an electronic version of RCSD.
- 96 Feb,
Derstine, John et.al.,
Photographs of International Vintage Sailplane Meet IVSM-95 at Elmira, NY Beautiful photographs of Minimoa, KA6C, Baby Bowlus, Schweizer I-34
- 96 Feb,
Derstine, John et.al.,
[cont] Goevier (2 place Minimoa) Goevier Plaque, French pre-war trainer. An RC aerotow demonstration was flown. Historic event, location, sailplanes
- 96 Feb,
Boyd, Douglass,
Recollection of using first winches. Modifying winches for max speed is discussed. Part numbers given for parts & Real Balls end plates.
- 96 Feb,
Slates, Jerry,
Vacuum system is described which can be used for making wings, stabs etc. The best bag material would be a Nylon containing tube. Clamp or tape ends.
- 96 Feb,
Scharck, Ron,
More photos of Visalia '95. Photos of live band, CD, Man retrieving model from field, Tim Renaud launching at start of first round.
- 96 Feb,
Kuhlman, B^2,
A-12 Avenger (Dorito) design is shown. Potential replacement for Navy A-6. Dimensions are given. Would make a good PSS model?
- 96 Feb,
Lehman, Robin,
A simple fish scale will predict the towing power of a aerotow plane. This static test will specify the best prop. Motor/prop results are shown.
- 96 Feb,
Deckman, Mike, et. al.,
Pasadena Soaring Society Contest is reviewed. BBQ was provided. Format: 3 10+ min rounds with 5 attempts. Landing points after 10 minute flights.
- 96 Feb,
Deckman, Mike, et. al.,
[Cont] 2nd Annual Winter Scale Soaring Festival held by DUST was attended by 20 contestants. Beautiful photographs of scale models.
- 96 Feb,
Simons, Martin,
Wing Drag (induced and profile). Stabilizers should be symmetrical - wings semisymmetrical. Reading airfoil polar plots. Selecting camber by purpose.
- 96 Feb,
McLean's Models,
60" Vindicator by McLean's Models features a fast design with V tail. Different versions for ailerons or ail. & flaps of channels of control.
- 96 Feb,
Hayes, Ray,
Sky Bench Aerotech has a new catalog and Osprey 1 R/C HL glider. Laser cut parts. Model is available in several forms from kit to RTF.
- 96 Feb,
Inventec Corporation,
Grand Esteem 110" and 120" versions offered. T tail or full flying options Delivery in 2 to 4 wks.
- 96 Feb,
Tau, Manny,
NC Eagle Fuselage is a nose cone version of the popular Thermal Eagle. Kevlar strips in sides and tail skid adds value. Ideal replacement.
- 96 Mar,
Slates, J^2,
Steve Savoie will be starting a new column in April. Soaring Site references are proving valuable to the soaring community.
- 96 Mar,
Clark, Paul,
First Japanese HLG contest was held in Tokyo preceding the great earthquake. Joe Wurts, Gordon Jennings and Paul Clark all from USA were there.
- 96 Mar,
Derstine, John,
First Annual Northeast Aerotowing Fly-In at Elmira, NY is slated for June 1 and 2 1996. Event will be tied to full scale soaring.
- 96 Mar,
Slates, Jerry,
Making a vacuum bag is the subject of this article. Getting a durable bag material is key to good results. Use a nylon tube with at least 18" width.
- 96 Mar,
Slates, Jerry,
[cont.] It is also important to instal the vacuum line without a leak. Hints are given to fix defects and protect bag from damage.
- 96 Mar,
Sowder, Bob,
New board of directors for LSF is announced. Joint LSF/AMA nationals will again be held in Muncie, IN. X-country models are shown and discussed.
- 96 Mar,
Sowder, Bob,
AnEan sailplane originally designed as a slope model in '89 was modified with SD7037/7032 combination and flying stab to improve TD performance.
- 96 Mar,
Fulmer, Daniel,
Dan keeps database on where he flies, how long, what model. He flies most in an area for hang gliders. Wind speed statistics given.
- 96 Mar,
Fulmer, Daniel,
His data indicates that more time is spent in building a model than flying. most in an area for hang gliders. Wind speed statistics given.
- 96 Mar,
Deckman, Mike, et.al.,
Avocet Vartech altimeter watch has excellent performance rating. Source is given. Instructions for using wave lift from trees, roofs, etc.
- 96 Mar,
Mallet, Fred,
Instructions for making 2 piece HLG wings so they can be transported more easily. The Corn Dogger model was what he was modifying.
- 96 Mar,
Kuhlman, B^2,
1/4" scale Pioneer II-D design was rebuilt from a crash and flown as a thermal duration model. Tip stalls were treated by trip strip and retrim.
- 96 Mar,
Lehman, Robin,
Telemaster is an excellent tow plane with OS 108 2 cycle motor and 15x8 prop. With a BGX-1 and 20x8 prop planes up to 14 lbs can be launched.
- 96 Mar,
Lehman, Robin,
Requirements for the job are listed. Hobby Lobby is a source for the plane. Use the larger BGX-1 for the Sr. Telemaster. Modifications are detailed.
- 96 Mar,
Fulmer, Dan,
Design criterion for aerobatic models - wingspan, camber, size, crash survivability. Good dimensions: 45-50", 9" root, 6" tip, no sweep in
- 96 Mar,
Fulmer, Dan,
[cont.] spar, light loading, SD-8020 airfoil, balsa fuselage, solid balsa tail surfaces, strip ail., full span, 22% elevator/h.flap, 50% of rudder.
- 96 Mar,
Simons, Martin,
Flight w/o figuring continued. Drag & camber, measuring camber, NACA airfoil naming, reflex camber. Helmut Quabeck airfoils airfoil naming.
- 96 Mar,
Gray, Jim,
Skysheen trim tape shines bright in sunlight with flashing colors. The Tape seems to work in a wide range of lighting. Phil Pearce 602-966-6384
- 96 Mar,
Wright, Paul and Harris Ed,
Wilson Reservoir of Salina, KS is one of the 10 best locations in the US. Photos and account of Sig/LASS. Many events were scheduled. Sig gifts.
- 96 Mar,
Leppla, Frank,
A new WWW Home Page dedicated to RC Soaring is http:/WWW/rcsoaring.com Location is La Canada, California
- 96 Mar,
Schorz, Hank,
Southern California Thermal Soaring League (SCTSL) has been established in San Fernando Santa Clarita Valley area. The group joins clubs in the area.
- 96 Mar,
Munkeso, Morton,
Results of 1995 2M postal contest is shown. Stig Christensen, of Denmark wins first 1st followed by Alan Schwerin of USA.
- 96 Mar,
Slates, J^2,
Mid south Soaring Championships are advertised.
- 96 Mar,
Dream Catcher Hobby, Inc.,
ASW-19 is a 12 lb ARF 1/3 scale sailplane. Dream Catcher models provides US made sailplanes to US customers.
- 96 Mar,
Allen, Mark,
Pocket Rocket by Allen Development is a 62" RG-15 model for 7 cells. Larger 72" Rocket w/ 7037 airfoil is good for last down competition.
- 96 Apr,
Sharif, Sean,
Photo on cover is of the Los Banos Slope Scale Soar-In 1995. 1996 event is scheduled for May 17-19.
- 96 Apr,
Charmichael, Asher,
Winch launches don't always provide the launch that is needed for scale ships. Aero towing instructions are given in excellent detail.
- 96 Apr,
Lehman, Robin,
More information on Telemaster tug with Walker 3.2 cu in motor. It pulls 23 lbs of thrust with 20 x 6.1 prop. This gets 1/3 scale models up fast.
- 96 Apr,
Lehman, Robin,
Tie wraps keep wings on models in storage without the stain from rubber bands. Jomar Battery Backer is evaluated.
- 96 Apr,
Slates, Jerry,
Instructions on making and using vacuum bags. Preparation of core, sizing of components. Leading edge treatment, spreading epoxy, curing the layup.
- 96 Apr,
Mallett, Fred,
A quick method for making fuselage molds with plaster is discussed. Also pull-pull systems for elevators even for V tails.
- 96 Apr,
Kuhlman, B^2,
Joined 1 is a fast glider from Germany with 150 mph capability. EH 1.0/7.0 is the airfoil. Attributes: constant chord, thin section.
- 96 Apr,
Masiello, John,
The Tangerine Soaring Championship report is held in central FL in Nov. A description of the 95 event is given with photographs and standings.
- 96 Apr,
Schmitz, Charles,
MaxSoar is used to compare Olympic II and Thermal Eagle. The parameters are are identified which affect Sink Rate, Induced Drag, Parasitic Drag, L/D.
- 96 Apr,
Schmitz, Charles,
[cont.] Explanations are given on how various parameters are evaluated.
- 96 Apr,
Blum, Jim,
Roke ASK-18 1/4 scale kit is evaluated. Original by Schleicher-Germany Kit by Sailplanes Unlimited. Gel coated fuselage was easy to paint.
- 96 Apr,
Blum, Jim,
[cont.] details of the construction are given. Model was built for aerotowing. Sailplane is a real floater and will fly hands off.
- 96 Apr,
Savoie, Steve,
Steve Savoie is a Naval Engineer in the Coast Guard with 22 yrs of service. He was a member of SOAR and now with DownEast Soaring Club.
- 96 Apr,
Savoie, Steve,
Diagram of device to melt out a channel to string servo wires in foam core wings. A heater is put into a tube and extended with guides into foam core.
- 96 Apr,
Scharck, Ron,
Torrey Pines Gulls is sponsoring the '96 International Hand Launch Glider Festival to be held June 15 and 16 in Poway, CA. Airtronics GEM HLG
- 96 May,
Slates, Jerry,
Dale King of ELF Engineering is shown launching his Raven 3M sailplane. Cover Photo
- 96 May,
Slates, J^2,
RCSD gets net address of RCSDigest@aol.com Articles and photos now can be sent via E-mail
- 96 May,
Lehman, Robin,
A Tellemaster is offered as a trainer for someone learning to fly. Flights last longer, altitude control is achieved, transitions to sailplanes easy.
- 96 May,
Dufresne, Marc,
Nuremberg 1996 was a good place to read future trends. Electric ARF models are the trend w/ less space to build. Aeronaut leads the way in electric
- 96 May,
Dufresne, Marc,
[cont.] propulsion systems (motors, yokes, shaft adapters, fans, gliders). Multiplex adds Flamingo 2001 to line of competition sailplanes.
- 96 May,
Thomas, Jim,
Slegers Internat. Spectrum 2M uses SD7037 to achieve less tip stalls. Ed tested many wings before settling on this one. T-tail w/ slip on nose cone.
- 96 May,
McColgan, Don,
JR783 was used with a 2M Super-V. Mike copied program he got out of a Magazine. 8 Memories, 6 mixing channels, trim offsets, extras sold separate
- 96 May,
Slates, Jerry,
Faceless hinge line construction is revised. 5/8" wide balsa replaces foam at hinge line of foam before sheeting. Controls are cut appart in balsa.
- 96 May,
Gell, James,
Mental resources are compared to money and budgets. Excellent article includes needs for developing habits, planning ahead, computer radios, etc.
- 96 May,
Savoie, Steve,
Planform blanks are cut hands off with this simple design. Diagrams and photographs show a simple design for this one person hands free cutter.
- 96 May,
Collier, Dale,
Legend of an Hawaiian hawk. Dale and son set records at Kahakaloa on Maui in 1988 and 1989. Great accounts of personal experiences at this spot.
- 96 May,
Kuhlman, B^2,
Adverse yaw in plank platforms are a function of aileron differential. Frise ailerons provide equal drag above and below hinge.
- 96 May,
Simons, Martin,
Wrong assumptions & theories of times past continue to cloud a clear understanding of camber and assumption of profile characterization.
- 96 May,
Simons, Martin,
[cont.] aerodynamic zero, maximum lift, Phyllips entry, thickness, stall angle, semi-symmetrical, drag bucket, thick vs thin wings.
- 96 May,
Teisan, Jerry,
Zagi foamy combat wing from Trick R/C provides a durable fast building model for slope combat. Will fly without computer radio with mech. mixer.
- 96 May,
Teisan, Jerry,
[cont.] 48" 16 oz. requires a 2 channel radio. Model is aerobatic. Assembly time is 3 hrs. Price is $30 + $5 S&H.
- 96 May,
Sailplanes Unlimited,
PZL 104 Frisch Wilga tow plane is now available as an import. 109" WS 79" long 20-23 lbs.
- 96 May,
Sailplanes Unlimited,
Muller 1/3 Scale Discus, 5M span, HQ2/12 20 lbs. also with E209-207-205 2M DG800 ARF for first time scale model. 1/3 Scale ASW-24 and ASH 26 + other
- 96 May,
Sailplanes Unlimited,
1/3 Scale instrument and hardware sets are available for $35.
- 96 May,
Slates, J^2,
A biography of Martin Simons indicates a life long fascination with soaring. Soaring accident, Teaching, Military Service, Move to Australia
- 96 May,
Botha, Gavin,
Davenport Cash Trophy Slope Race is reviewed. May25-26 '96 in California 15 miles N. of Santa Cruz.
- 96 Jun,
Savoie, Steve,
This 48" Zipper is a plywood covered foam core model with strong F/G fuse. and fin. It uses EH2-10 airfoil. Model is strong, easily repaired.
- 96 Jun,
Sowder, Bob,
AMA recognizes LSF as its R/C Soaring Special Interest group. Warning given to plan ahead: Reservations, Charged Bat., Cash, Wing Rods, Stabs, etc.
- 96 Jun,
Stahl, Gordy,
SC or SCE Type fit most uses outside of a blast charge. AR, SCR & SCRC R=higher voltage at high current. E=extra energy but at lower output I.
- 96 Jun,
Stahl, Gordy,
[cont.] Sizes are defined 800 AR and 1000 SCR's used most for limited space 1400 and 1700 when space is ample. Test for balanced cells.
- 96 Jun,
Stahl, Gordy,
[cont.] Selection of chargers, wire, propeller, connector.
- 96 Jun,
Lehman, Robin,
Dortmund Intermodellbau 96 show is reviewed. Held each march, this may be the biggest in the world. 50% of models are sailplanes and most are scale.
- 96 Jun,
Deckman, Mike,
Climmax 7037 HLG/ARF by C.R. Aircraft flies exceptionally well. 2M Barracuda by Brian Agnew by 7037 is said to fly like a Super V.
- 96 Jun,
Slates, Jerry,
Aileron differential is required to produce efficient turns. A protractor makes a good gauge on setting up the proper movement. Diagrams provided.
- 96 Jun,
Boyd, Douglas,
Humorous but informative account of experiencing catapult gliders. Light ideas for a carrier competition is suggested.
- 96 Jun,
Johnson, Wildey,
Inland slope / thermal soaring on a closed landfill 200' high is described. The performance of several HLG models are discussed.
- 96 Jun,
Carmichael, Asher,
Five different designs for aerotowing release mechanisms are illustrated. Having this part properly designed is a key to success.
- 96 Jun,
Kuhlman, B^2,
Tip Stalling can be a problem on swept wings if aileron differential is used. Keep tip RN above critical limits. Use proper sweep angle.
- 96 Jun,
Anderson, Charles,
Airfoil Plot and Model Design plotting program prices have been reduced. Airfoil Plot, Airfoil Plot Pro, AFEdit, Model Design & Model Design Pro
- 96 Jul,
O'Donnell, Mike,
Photo of Paul Siegel and his son Vinnie at the Cincinnati Soaring Soc. HLG contest. Article follows on pg 4
- 96 Jul,
Siegel, Paul,
The Cincinnati S.S. hosted its first HLG championship on April 27-28. Models flown; event description. Hand launch golf was part of contest.
- 96 Jul,
Lehman, Robin,
Los Banos 2 day Slope Scale Soar-In is described. Lots of participants and lots of action was described. Some aero tows given by Dick Miller's WACO.
- 96 Jul,
Lehman, Robin,
[cont.] lots of photos and good stories. Seagull, PSS, Eagle, Discus Schweitzer, ASH26, Elephant, Frisch Wilga, ASK13, ASW17.
- 96 Jul,
Mallett, Fred,
Fred provides information about the weight and dimensions of HLG fuselages The costs and source of each is given plus descriptions of each. GOOD!
- 96 Jul,
Kuhlman, B^2,
Comments & drawings for 5 members of the ME series rocket powered tailless aircraft researched in Germany in the 1940's.
- 96 Jul,
Savoie, Steve,
Construction of simple spar made from CF/Spruce/Spider Foam/Spruce/CF. Syringes from hardware store are good way to mix epoxy in correct ratios.
- 96 Jul,
Deckman, Mike, et.al.,
112 in Condor by Allen, Van & Hug is given high marks due to reputation of designers and performance. No tip stalls, wide speed rang, stable.
- 96 Jul,
Slates, Jerry,
Switch for controlling vac. pumps: Penn Controls Model 1003 type 155BV01 Foam cutter plan: $5 Bob Harman 10424 Golden Willow Dr. Sandy UT 84070
- 96 Jul,
Nankivil, Mark,
Electric model technology is developing quickly. New equipment is being developed and performance if improving rapidly. Information on equipment
- 96 Jul,
Nankivil, Mark,
[cont.] is provided such as motor and bat. pack weights. Recommendations for models is given. Future articles will deal more specifically with each.
- 96 Jul,
Nankivil, Mark,
The Art of Thermalling - A User Friendly Guide to Finding and Using Thermals and Thermal Streets by Bob Wander is useful for RC Soaring
- 96 Jul,
Sanders, David,
Slope Etiquette and the nature of conflicts having to do with models flying at different speeds and those with expensive ships waiting to fly in safety.
- 96 Jul,
Foster, Mark,
Thermoflugel kits are available from Mark Foster at 213-257-4573. ASK-23, DG-300 and DG-600 area available at this time.
- 96 Jul,
Godfrey, David,
North Alabama Silent Flyer retrievers are available from Dave. They are contest proven and robust enough to last for years. 205-534-0251
- 96 Aug,
Derstine, John,
An aerotow dolly is described for launching using aerotow or winch. The materials are 6 in. wheels, 3/4 in plywood and foam tape.
- 96 Aug,
Derstine, John & Savoie, Steve,
1st annual NE Aerotowing Fly-In in Elmira, NY held 5-31->6-2 at Harris Hill attracted people from many states. Aerotowing was provided to all with
- 96 Aug,
Derstine, John & Savoie, Steve,
[Cont.] scale models. Full scale glider rides. Electric sailplanes were demonstrated. A video will be produced. Instructions for a contest.
- 96 Aug,
Kuhlman, B^2,
The pitching stability of flying wings and conventional designs is described. Pitching moment, neutral point, CG, Airfoil Cm table.
- 96 Aug,
Sanders, David,
New foamie combat format allows new people to compete for top honors. Them format for racing is comparable to a roller derby. Most laps in allowed
- 96 Aug,
Sanders, David,
[cont.] time wins heat. Event held in Fairview Regional Park. After SS race a thermal duration event was held. Foam slope kits availability.
- 96 Aug,
Lehman, Robin,
Scale Event at Fayetteville is reviewed. 50-100 groups are trying new scale event. Tow planes listed. Scale models also listed.
- 96 Aug,
McCullough, John,
Reports on Past and Future of Fayetteville, NC 2nd Annual Southeast Aerotowing and Scale Fun Fly.
- 96 Aug,
Garwood, Paula,
Instructions for making a profile pilot or pilots for a scale model. A photograph is printed in reverse for back side.
- 96 Aug,
Sailplanes Unlimited,
DG800 from EMS has styrofoam/Balsa/Oracover wing, Plug in winglets, 3.7 & 4.2 M spans. HQ 2.5/14 Airfoil. Also Roke DG202 & Roedelmodell Ka6E.
- 96 Aug,
Garwood, Dave,
ICARE Sailplanes ASK-21 originally designed by Rudolf Kaiser in 1980 as a 2 place trainer also can do aerobatics. Plane was built by Schleicher.
- 96 Aug,
Garwood, Dave,
[cont.] 580 planes were produced. Two are in used at Elmira. Model has white gel coat. Ailerons are cut out and finished. Servo holes routed.
- 96 Aug,
Garwood, Dave,
[cont.] Weight loading of 13.0 oz/ft^2, 46.2 oz., LE & TE installed. $185 sale price makes this a great bargain.
- 96 Aug,
Stokely, Herk,
'Summary of Low Speed Airfoil Data - Volume 2' is now being distributed. 25 new airfoils tested many with flaps and turbulators. Improved wind
- 96 Aug,
Stokely, Herk,
[cont.] tunnel and data reduction system should provide excellent data. Cost is $25 P&H $4 Optional disc is $15 through Soartech Productions.
- 96 Aug,
Collier, Dale,
Poem of experiencing the first day's slope lift and sharing it with an owl.
- 96 Sep,
Lehman, Robin,
Review of winglet use of full size, scale model use. Benefits: higher lift low speed turns, less tip stalls. Photos included.
- 96 Sep,
Garwood, David,
Account of 1996 Canadian slope racing trip which was altered due to low wind Account of alternate HLG flying and international friendship.
- 96 Sep,
Boyd, Douglas,
Problems of using TD tow hooks for aerotowing. A design is described which can be used to TD planes with almost no alterations to the sailplane.
- 96 Sep,
Mallett, Fred,
The catapult launch of the Bullet Bird is most impressive and might be termed slope flying on the flying field. Details given on idea.
- 96 Sep,
Sayers, Lee,
First part of construction tips. Bagged FG skin wings perform better than wood skins. User friendly equipment and materials are more widely...
- 96 Sep,
Sayers, Lee,
[cont.] widely available today. The method is now high mess not high tech. Preparing the cores and Mylar carriers Transferring paint and adding color.
- 96 Sep,
Tsipis, Yanni,
The M321 was the largest aircraft (glider) built in WWII. Brief history of German Aerospace dev. DFS230 Gigant, Gotha 242 References given.
- 96 Sep,
Savoie, Steve,
Construction of the Krause ASW 24/27. Fuse is white gel coated but 2 lbs. About 2X of Viking fuselage. Details given on how to complete construction.
- 96 Sep,
Deckman, Mike, et al.,
The first annual 2M Soaring Festival was reviewed. It was a 2 day contest with all the elements of an established national contest. Comments given
- 96 Sep,
Deckman, Mike, et al.,
[cont.] comments on Laser, ARF Windstar. The development of 2M designs included Gnome, Falcon 600, Banchee, Super V, Vaquero, Barracuda, 2M Laser.
- 96 Sep,
Agnew, Brian,
Tall Barracuda fuselage permits landing with full flaps, use of multiple wings are possible on flat sides of fuse. SD7080. Brian feel that
- 96 Sep,
Agnew, Brian,
[cont.] the SD7037 is not optimal for normal sailplanes. It may be for light loadings. Wing platform is that of Ron Van's Spectrum 2M.
- 96 Sep,
Murray, Lee,
Comments on the '96 Nid South Soaring Championship including comments on the XC Competition, Banquet, flights near the motel, and Memphis sights.
- 96 Sep,
Hossom, Jerry,
A memorable launch at the MSSC resulted in model safely crashing into a tent. The contestants first contest ended up being successful.
- 96 Sep,
Sanders, David M,
Foam based slope planes loose performance when they get dents in the foam. The Roughneck by Pt Bowman is made of expanded polypropylene foam (EPP).
- 96 Sep,
Sanders, David M,
[cont.] The new foam recovers from compression, is resistant to chemicals, UV resistant. Contact cement or silicone adh. is needed to attach things.
- 96 Sep,
Sanders, David M,
[cont.] Black Ultracote stuck to 3M 77 over the foam through heat and abuse. Instructions for finishing EPP foam models to do battle at the slope.
- 96 Sep,
Bits, Critter,
Servo Cans for Airtronics 141 servos. 1 grams round ABS mounts in wing and allows easy removal of servos. $10/set
- 96 Sep,
ICARE Sailplanes,
Swift S-1 1.9 Meter sailplane has S7012 airfoil. Micro servos fit in the wing. 39 oz, 457 sq.in., 75" span.
- 96 Sep,
Abell, Bruce,
Bruce covers experiments of design changes having to do with wing sweep, tail surface size, nose length to make handling and performance better.
- 96 Sep,
Kuhlman, B^2,
CO7 design by Hans Jurgen is for F3B, F3J competition. It is a swept narrow chord design, carbon fiber spar, composite construction.
- 96 Sep,
Kuhlman, B^2,
[cont.] design has a higher sweep (25 deg), Semicrescent planform, winglets in middle of wing, complex twist geometry.
- 96 Sep,
Slates, Jerry,
Hollow core wing Pt. I. A simple rectangular wing was selected from the Facctor design. Project was started making spider foam cores with vacuum
- 96 Sep,
Slates, Jerry,
[cont.] bagged skins was used as a plug for the molds. Details are given on how the plug was prepared.
- 96 Sep,
Slates, Jerry,
The results of the Entry Level Design Contest was discussed. Tyro design costs $76.67 Oliver Wilson of Pt. Charlotte F> designed, built and flew
- 96 Sep,
Slates, Jerry,
the model at the Mid South Soaring Championship. S4233 section was used. Featured is a strong D-tube which will take strong winch launches.
- ,
Mallett, Fred,
Fred is shown catching his HLG which is approaching his midsection inverted.
- ,
Slates, Jerry,
Pt II of article on making hollow core wings. The wing plugs were finished and then a parting tray was constructed. Spackle used to caulk gaps to dam.
- ,
Peale, David,
Plaster molds can be made with less expense than with epoxy molds. Details are provided which will allow someone to make plaster molds at home.
- ,
Deetz, Wesley,
Mark the center of a landing circle using a 2 liter soda bottle. Remove the top, paint the inside, slit the sides and nail bottom to center of spot.
- ,
Kuhlman, B^2,
Three airfoils used on the CO7 (sept 96) are shown and discussed. RS001T10 Symmetrical, RS001M05 Center, RS001 Root
- ,
Pugh, Sandy,
Train wife to fly and spend more time in hobby. Std. Class floater, low wind practice days, build confidence, be patient, go to mtgs, join LSF.
- ,
Michaelis, Harley,
An event was set up in Pasco WA to assist aspirants in meeting slope, XC goal & return flights, TD. Large models work best. Will repeat in 1997.
- ,
Savoie, Steve,
A 3 position switch installation and transmitter mixing options described to give flap presets on Airtronics Infinity 600. Kraft Midwest can do.
- ,
Nankivil, Mark,
DJ Aerotech Monarch EX has larger fuse. but weights 1.8 oz. Pre-sheeted wings & V tail.
- ,
Nankivil, Mark,
League of Electric Soaring (LES) has a program like LSF with 6 levels and no dues. Ken Cashion - Recorder, 157 Tennyson Cove, Picuyane, MS 39466
- ,
Mallett, Fred,
V-tails and their advantages: appearance & stacking. Instructions for mounting and alignment using incidence meter. Details are given
- ,
Mallett, Fred,
[cont.] Use 0.5 deg for fast flight, 1.5 to 2 for thermal duration Establish V angle then mount both panels to fuse at desired angle.
- ,
Dvorak, John,
John rebuts RCSD published advice to use a power plane to train glider pilots. John suggests slope soaring since flights are even longer.
- ,
Lehman, Robin,
Reasons for not using a power plane to teach people to fly gliders. Reasons include vibration, danger from propellers, fuel spills, fire, expense, time.
- ,
Lehman, Robin,
[cont.] Flying power does teach 2 stick skills, useful in flying scale, multichannel aircraft and in aerotowing.
- ,
Finney, Greg,
A launching trailer was developed for Rahm winch and retriever. Total cost was about $1,500. Rig has proven to be quite useful.
- ,
Stahl, Gordy,
Gordy travels much and tries to visit people and places. This article regards his attempt to visit W.D. Williams of Gravel Switch, KY.
- ,
Stahl, Gordy,
Gordy's quest for W.D. Williams was finally rewarded but not after additional efforts. See page 28 for background.
- ,
Sayers, Lee,
Pt II of a series talks about the vacuum bagging process itself. Multiple layers of cloth and unidirectional CF allow the construction of a 60 inch
- ,
Sayers, Lee,
[cont.] wing pannel weighing 16 oz. Bag setup is covered in detail: bag/breather cloth/wax paper/peel ply. Avoid puncturing bag with Mylar.
- ,
Enhuei, Joseph,
6M ARF Nimbus-4 is electrified with an Ultra-2000 motor, gear drive, 24 cell battery pack 16.5 x 15 prop. Flight performance was excellent.
- ,
Bowlen, Clark,
Pt. III of a series. A speed 400 motor, 2:1 gearbox, 500 ma bat. was used w/ larva fuselage. Fuse sides laminated with .2 oz CF, .75" FG + Kevlar.
- ,
Eckel, Rick,
Laser 2M from Slegers Int. has a 2 piece pre-sheeted wing, slip on nose cone, Kevlar reinforced fuse. Laser wins contest first time out.
- ,
Bailey, Don,
The reasons for flying gas-bag, rib construction, models. New models have become specialized to specific tasks and lack the character of a fun model.
- ,
Keller, James E.,
A list of article topics he would like to have appear in RCSD is presented. Plug-in, Wiring Servos, Attaching Ballast, CG Location by Airfoil.
- ,
Slegers International,
Condor 112.5" s/ SD7037 is promoted and a full description is given as part of an advertisement. Informative article!
- ,
Lehman, Robin,
Photo of 8 month old Rolfie Lehman in his dads Twin Acro scale model. He fits like a scale pilot although is head isn't quite at scale.
- ,
Slates, J^2,
Some people have an allergy to latex gloves. Symptoms - from itching to asthma and to anaphylactic shock in extreme cases. Ref: www.latex.org
- ,
Slates, Jerry,
Pt III of article on making hollow core wings. Surface epoxy applied and an allignment key ground into the flange. A frame for the other part of
- ,
Slates, Jerry,
[cont.] the mold. Release agent was applied to the other half of the plug. Repeat steps used on other half. Remove plug and polish the mold.
- ,
Johnson, Bob,
A proposed new definition for the Standard Class is given for AMA competition which limits control functions to rudder, elevator and
- ,
Johnson, Bob,
[cont.] spoiler. Span: 110 in. max. The trailing edge cannot move. There cannot be any landing assist devices to aid in the stopping of the model.
- ,
Kuhlman, B^2,
Joined 1 & 2 F.Wing were designed for world's speed record attempts. Speeds up to 223.7 mph. Ver. 2 was better to control and land.
- ,
Mallett, Fred,
1996 Texas Nat. Tournament (TNT) is reviewed. CD was Bud Black. Rules for HLG given. Winners in all classes are listed. Photos and stories.
- ,
Savoie, Steve,
A light weight servo tray is discussed made from Rohacell, CF cloth and epoxy. Two radios were needed to control the functions including retracts.
- ,
Sanders, David M.,
Santa Clarita Soaring Assoc. held its semi-annual Night Crash and Bash An account of the event is given with photos. How to fly at night.
- ,
Sanders, David M.,
[cont.] Information about Roughneck & Foam Survivor for combat and how to build them. V1 missile by Fred Guifoyle
- ,
Nagel, Tom,
A flat land flyer tries slope soaring. His enthusiasm boils over as he compares thermal and slope soaring.
- ,
Lehman, Robin,
Scale soaring allows a range of participation from buy and fly to extreme detailing with little flying, slope racing, static judging, thermal soaring
- ,
Lehman, Robin,
[cont.] aerotowing, winch launches, aerobatics, scale flying, fun fly events, combinations of above.
- ,
Knight, Gerry,
Genessee Valley Aero Modelers in New York put on a scale aerotowing fun fly. Gerry recounts his experience flying his Olympia RC Glider.
- ,
Knight, Gerry,
G.N.A.T.S put on a scale fly in with the help of Robin Lehman, Jim Blum and John Derstine. Plenty of photos of scale models and Spacewalker tug.
- ,
Kid, Bob,
Bob gives reasons to attend the AMA nats in Muncie. His + experiences are talked about. The people, the location, the friendships, the event.
- ,
Halsey, Albert,
The Nostalgia class fits the newcomer and occasional competitor just fine. Features are low cost and minimal skills and experience required.
- ,
Gray, Jim,
Martin Simons' book 'Slingsby Sailplanes' on Slingsby company gliders is covered. It has 255 pages with b&w photos. 44.95 English pounds.
- ,
Hayes, Ray,
A short summary of the 1996 Spring R/C Soaring Festival is given. 2M & 1.5M events won by Paul Sherman
- ,
Abell, Bruce,
Bruce has made available plans for his 120" version of the Scimitar which was published in the Austrailian Mag. Airborne. Rudder, Elev., Spoiler
- ,
Waltz, Buzz,
Buzz reveals his plans to close Just Plane Fun Models and will reopen Buzz Waltz Designs to sell his 20 models on order and selling plans.
- ,
Waltz, Buzz,
[cont.] A Slingsby T-31B Tandem Tutor sailplane a 100" sport scale model.
- ,
Blacksten, Raul,
Raul is the archivist for the Vintage Sailplane Association offers some corrections to photo's appearing in RCSD as part of coverage for VSA meet.
- ,
Murray, Lee,
Dave Beck needs assistance for a solar powered XC world record in the Southwest.
- ,
Brengman, Del,
M-one-Y is a molded 60" model w/ RG-14 has excellent flying abilities both on slope and high start. Triple taper wing $295.
- ,
Palmer, Rick,
Cover shows a HLG stuck in a Christmas tree in Rick's home
- ,
Slates, Jerry,
Molded hollow core wing construction Pt. IV talks about selection of the substrate for making the skins. Spider foam cut into 1/16" slabs was used.
- ,
Simons, Martin,
Tape Hinges can be made using double sided tape and a tape to cover the sticky surface where you don't want it to stick. Diagram shown.
- ,
Kuhlman, B^2,
Hans-Jurgen Unverferth is a prolific designer of tailless aircraft. His work is discussed in an interesting way. Despite high L/D ratios FW have
- ,
Kuhlman, B^2,
[cont.] high sink rates because they fly faster. Hans-Jurgen is testing RC systems to move the CG and achieve improved flight performance.
- ,
Gray, Jim,
Don Typond created a video on how to finish a Williams Brothers molded pilot figure but the methods apply to any figures. Water based acrylics
- ,
Gray, Jim,
[cont.] are used. How to avoid problems and create pitfalls. $19.95 Robins View Prod., 205 E. Center St., Box 68, Stockertown, PA 18083
- ,
Nankivil, Mark,
Comments about the 1996 F5B Wold Championships in Prague, Czech Republic. USA team finished 2 with Pils, Bridgeman and Neu finishing 6, 7, 8.
- ,
Nankivil, Mark,
Monarch EX Review continued from July issue. Specifics on how Mark built and finished his Monarch are given. Servo selection mentioned.
- ,
Mallett, Fred,
Fred gives us a list of helpful hints for cleaning Mylars, caulking vac. bags, best fiberglass cloth, artist brushes, squirt bottles & shelf liner.
- ,
Savoie, Steve,
A vacuum bag frame is described for making small parts. It aids in ease of final assembly. PVC pipe is used.
- ,
Lehman, Robin,
Robin recounts the progress to highly efficient models used today in scale soaring. The modern prefabricated model offers much despite the price.
- ,
Lehman, Robin,
[Cont.] Issues you need to consider to evaluate their use of a scale model Issues include Price, Appearance, How you might launch & fly your model.
- ,
Foreman, Craig,
Lehman and Dvorak previously debated use of power plane and glider for training. A case is made for training on full size gliders.
- ,
Swingle II, William G.,
A good slope include Access, Consistency of wind and Topography. Bill finds a new slope using maps. What things to take with you to the slope.
- ,
Swingle II, William G.,
[cont.] How to assemble your hiking pack and attach your model to the pack. don't let things hang below. Result is that a beautiful site was used.
- ,
Ivansen, Lars,
Lars tells us of how the internet is of value to sailplaners. References to RC Soaring Exchange (RCSE), weather reports & maps, E-mail, access to
- ,
Ivansen, Lars,
[cont.] experts i.e. Joe Wurts, Michael Selig's database of airfoils. Usenet news, WWW surfing to suppliers, FTP to send and receive files.
- ,
Kennedy, Barry,
Tubular wing spars are described which dramatically increase the strength of foam core wings. Long tubes are fit into cores. Bend in joiner rods.
- ,
Savoie, Steve,
Photo of Jim Armstrong's Spirit piggy backed on a Telemaster fitted with skis.
- ,
Stokely, Herk,
One cannot take the balance point of model and apply it to another model with the same airfoil without knowing wing planform, and tail layout.
- ,
Keeffe, Brian,
Brian linked up with Austrailian modelers before his trip there. He was able to fly on several splendid beach bluffs. Photographs
- ,
Hobby Horizon,
High quality packs available from Hangar 9, JR 351 servos with brass gears has low slack and only .5" thick. Transmitters and Receivers.
- ,
Scale Model Research,
A 1997 Scale Aircraft Documentation and Resource Guide is added to products at $8.00 714-979-8058.
- ,
Trick R/C,
The Razor is an EPP foam flying wing glider. Only $65 buys comes in very complete kit. 310-301-1614.
- ,
McCann, Tom,
Shark's tooth (Hooktooth) landing aid skeg is offered for only $3.95 A skeg is also offered for $4.95.
- ,
Foster, Mark,
1/4 scale DG-600 is now available from Mark Foster. Also available is the DG-300.
- ,
ICARE Sailplanes,
A semi scale DG-200/17 is now available for $239. Kit has epoxy glass fuse with CF reinforcement. Veneer sheeted fiberglass reinforced foam wings.
- ,
Scidmore, Al,
Mathematics of high starts is discussed. Products available and potential for launch altitude and breaking the wings. Assembly instructions.
- ,
Slates, Jerry,
The video is of the Elmira Aerotow 96. This is a great way to evaluate the Event and scale soaring.
- 97 Jan,
Kuhlman, Bill,
Hobby Dog poses with Bill Kuhlman's Trick RC Zagi PPE foam flying wing.
- 97 Jan,
Slates, Jerry,
Pt V of series on molded hollow core wings. Molds are waxed, buffed, PVA mold release applied, painted w/ K&B Superpoxy. The epoxy is applied
- 97 Jan,
Slates, Jerry,
[cont.] then FG, Spyder foam sheet, more glass and epoxy, vacuum bagged against mold surface. After cure, the spar was installed to bottom skin.
- 97 Jan,
Slates, Jerry,
The halves are joined. Instructions for each step is included. The process if fast once the materials and mold are ready.
- 97 Jan,
Kuhlman, B^2,
Tric R/C Zagi by Jerry Teisan is reviewed. It goes together fast. Radio installation varies with radio capability. Improvement suggestions made.
- 97 Jan,
Kuhlman, B^2,
[cont.] Flight performance is fast in pitch and roll. It repairs fast and performance is unaffected. $45 US 310-301-1614
- 97 Jan,
Savoie, Steve,
Using double edge razor blades works better than single edge and Xacto. Warm Krylon paint and warm fuselage gives excellent finish.
- 97 Jan,
Savoie, Steve,
Light timer works well to maintaining a charge on batteries (1 Hr/day). Rosin paper is used to maintain a clean building surface on bench.
- 97 Jan,
Savoie, Steve,
[cont.] Heavy felt from fabric store is hot glued together on 3 sides then turned inside-out to make wing bags for scale ship.
- 97 Jan,
Garwood, David,
This is a valuable set of 10 hints on how to take better photographs of models, flyers, scenes etc. Dave is a professional photographer.
- 97 Jan,
Sanders, David M.,
Scoring of slope 'foamy' combat contests is discussed. Contestants must do a roll or loop before & after kill score. Laguna Niguel Slope Soaring Guild
- 97 Jan,
Sanders, David M.,
[cont.] push rods tend to get damaged in slope combat. Servo damage can be minimized by servo savers. Expanded polypropylene foam EPP wing shaping.
- 97 Jan,
Nankivil, Mark & Burkart, Jay,
96 SAM Camps is the topic of this article with photos. These old timer contests are reported to be very relaxing and great fun.
- 97 Jan,
Lehman, Robin,
Flying scale sailplanes in thermal conditions with a good launch will allow very long flights. Put several models up to give comparison of performance.
- 97 Jan,
Fiederlein, Taylor,
Zev and Taylor were flying on a beautiful day. Their models had a mid air. The tail of one ended up in the wing of the other. Damage minimal.
- 97 Jan,
Stahl, Gordy,
Gordy tells of his experience flying at an overlook near Niagara Falls. He describes the thrill of flying across the river and back and making landing.
- 97 Jan,
Register, Dave,
A Zip Start is described with gives a 50' launch and limits the extension of the rubber to 3:1. Details given: Dacron line, rubber dimensions, etc.
- 97 Jan,
Godfrey, David,
A response to Bob Johnson's rules change proposal: Skill classes are regarded as being more important than plane class changes.
- 97 Jan,
DJ Aerotech,
Crysalis HLG is an all wood, laser cut, entry model glider from a company well regarded for its models. V tail or std tail option, 2 piece wing opt.
- 97 Jan,
DJ Aerotech,
A HLG model well suited for HL golf, aerobatics, occasional slope soaring. Fuselage is CF reinforced FG. V-tail Four micro servos are required.
- 97 Jan,
Sailplanes Unlimited,
New models include the 2 place Fox in several different sizes from different manufacturers.
- 97 Jan,
Hobby Distributors,
JR XPS8103 is an 8 ch. computer radio, with big LCD screen with software to make programming easier. Mix any channel with another.
- 97 Jan,
Rahm,
Rom winch and retriever enables a launch each 60 seconds, retrieve every 20 seconds.
- 97 Jan,
Unbeaten Path Imports,
Simprop models: Solutions, Fashion, X-Models, Little Star, DG200 Pilatus B4, LO100, L33 Solo. http://www.unbeatenpath.com
- 97 Jan,
Specked Soaring Equipment,
Line of swept M wing models M60A, M60P, M2, M100, M12 SSE P.O. Box 734, Lapwai, ID 83540 (208) 843-5564
- 97 Jan,
Dream Catcher Hobby, Inc.,
Allure, Nomad 100", Breazy, Toucan T60R Kits are available for reasonable prices. 219-848-1427 E-mail: DCHOBBY@skynet.net
- 97 Jan,
Wood, Dave,
Good story about the 19th. Empire State Soaring Classic of the Long Island Soaring Soc. Due to rain, the event was only one round and a raffle.
- 97 Feb,
Slates, Jerry,
Pt 6 of series with hollow core wings. Hinge lines are notched & cut. Upper and lower halves are joined. Hinge line gap filler is made & applied.
- 97 Mar,
Swinnich, James,
US Soaring Hall of Fame Weekend will include induction of Carl Harold and E. Gene Hammond. Lehman and Derstine will fly on May 3rd. Paul Schweizer
- 97 Feb,
Kuhlman, B^2,
The EH series can be used to replace symmetrical & other airfoils for delta PSS, swept wing and high performance flying wings. Coordinate references.
- 97 Feb,
Norsworthy, Greg,
An old servo can be modified into a router for making servo wells in foam wings. A diagram is provided. Contact with Greg may be required.
- 97 Feb,
Smith, Brian,
Dan Banko is the 1996 Tennessee State Soaring Champion. Rules for competition are listed. Dan learned to fly with Dave Brown simulator.
- 97 Feb,
Savoie, Steve,
Single wire single template method for making foam wing and stab core. One of wire is fixed and the other is manipulated.
- 97 Feb,
Mallett, Fred,
Adjust your template heights so that the wing can be built with dihedral in mind. The wing can be bagged as single piece. Medical scissors for flash.
- 97 Feb,
Murray, Lee,
Prism Sailplane by Ron Van is reviewed. Comments given to aid in building. Flight performance is good according to PC-Soar and by flight experience.
- 97 Feb,
Lehman, Robin,
The Great Pensacola Scale Airtow Fly-In is covered with plenty of photos of participants and models. Site was large and perfectly suited.
- 97 Feb,
Lehman, Robin,
[cont.] Asher Carmichael made beautiful ASW20 desk scale models for awards. Mike Watson' 1:1.27 ASW-20 was launched by ST 3000 Telemaster
- 97 Feb,
Lehman, Robin, Meeks, D.E.,
EMS DG-800 kit went together precisely without adjustments. Tip stalls could be forced. Straight stalls easily recovered. Winglets & Extensions
- 97 Feb,
Lehman, Robin,
Proposal for new AMA Scale Soaring Event aimed at eliminating problems deadline was waved for a quick response. A German contest format was
- 97 Feb,
Lehman, Robin,
DMFV Scale Master Event does not require builder flyer rule. A discussion of the competition are listed in detail.
- 97 Feb,
Carmichael, Asher,
Asher gets coaching on using his left hand/thumb to taxi a tow plane for later use in aerotowing. Don't expect quick success when you try.
- 97 Feb,
Unbeaten Path Imports,
126" L33 Solo, 59" Fashion, 1:8 scale DG 200/17, L0100 1:6.15 kits are now available. P.O. Box 271, Oconomowoc, WI 53066 414/569-5915
- 97 Feb,
Edmonds, Terry,
Photo and names of teams which competed in the team selection finals. Final Team: Randy Spencer, Joe Wurts, Gordon Jennings, B.J.Weisman
- 97 Feb,
Edmonds, Terry,
[cont.] Other teams shown include Albuquerque A Team, Los Angeles Team, Colorado Team, Team USA.
- 97 Feb,
Harden, Kale,
Inter. Postal Contest (IPS) results. In 13th year has grown to include many teams. 4 rounds of 6 min duration flow in spring & Fall
- 97 Feb,
Cason, Bernardo,
Euromeeting 95 is covered with lots of photos. Beautiful grass slope 2500 meters above sea level had 160 participants. Awards and drawings
- 97 Feb,
Siegel, Paul,
Immediate Results Scoring (IRS) system was used at the Cincinnati Soaring Society HLG Championships. Normalized scores produced by timers.
- 97 Feb,
Siegel, Paul,
[cont.] 8 rounds were flown with goals ranging from 1 to 5 minutes. One round was the best three flights with a penalty for more than three.
- 97 Mar,
Beck, Dave,
Photograph of Dave Beck's record setting solar powered sailplane used to set a 24.1 mile distance in a straight line.
- 97 Mar,
Norworthy, Greg,
An improved diagram of the servo motor router for making servo wells in foam core wing. Original diagram appeared in Feb. issue.
- 97 Mar,
Swinnich, James,
National Soaring Museum in Elmira will have an exhibit celebrating the 50th. anniversary of RC sailplane flight on May 3, 1997
- 97 Mar,
Swinnich, James,
[cont.] and Martin Simons. On June 13-15 Elmira Aerotow will include Paul Schweizer. Martin Simons will return to Australia on May 8th from Wylie, TX
- 97 Mar,
Slates, Jerry,
A models weight can often be reduced by decreasing the weight of tail components. Cutting holes in sheeted foam stabs and covering is covered.
- 97 Mar,
Murray, Lee,
The RCSD Index can get you back on some time you are spending on your computer by helping you find things in RCSD. Locations of the Index listed
- 97 Mar,
Beck, Dave; Murray, Lee,
Information about how to select and pursue an AMA or World Record. Information sources cited and documentation requirements discussed.
- 97 Mar,
Kuhlman, B^2,
Andrew MacDonald and Herk Stokely both sent information about HLG flying wing designs. Both use wing twist to counter pitching moments of the
- 97 Mar,
Kuhlman, B^2,
[cont.] airfoils used (SD-7037 / S-8020 tip) for HS and RS001 for HansJurgen's design. Herk's design appears in Feb 97 Flying Models.
- 97 Mar,
Garwood, Dave,
Vaquero sailplane with hollow molded wings, has a high level of prefab. design requires minimal trim ballast. Flies very well and indicates lift.
- 97 Mar,
Garwood, Dave,
[cont.] There were incidents with a high speed loads which caused the stab to fail. Stab was modified to pivot from the forward point.
- 97 Mar,
Sanders, David,
1997 International Model Show (IMS) show is reviewed with specific comments Studio B, Trick R/C, MM Glidertech, K&A Models Unlimited, Carl Goldberg
- 97 Mar,
Wright, Paul,
Events of the Sig/Lass Midwest Slope Challenge is recounted. Night flying, rocket launched sailplane and plenty of fellowship. This year 5-16>18
- 97 Mar,
Lehman, Robin,
Decoupling ailerons and rudder is needed for aerotowing. A scale trailer (car top carrier) protects model and adds utility of smaller vehicles.
- 97 Mar,
Lehman, Robin,
[cont.] discussion on Beech 1900D winglets. Elmira Aerotow event will take place during June 13-15. Full scale activities described.
- 97 Mar,
Mallett, Fred,
International Hand Launch Glider Festival '96, '97 scoring methods. One hour of flight time per contestant. well organized, fun contest
- 97 Mar,
Scharck, Ron,
Torrey Pines Gulls International Hand Launch Glider Festival IHLGF will take place at TPG Poway Flight Center on June 7 and 8, 1997
- 97 Mar,
Hobby Hangar,
The Windfree, winner of 70-74 nationals is being revived and being sold by Hobby Hangar for $60.
- 97 Mar,
Savoie, Steve,
E.M.S. DG800 comes with prepainted fuselage and much of the work already done. Wings are covered with spoilers installed. Tail surfaces surfaced.
- 97 Mar,
Savoie, Steve,
[cont.] Kit has many features. Wing extensions and winglet options. Winglets make the plane more responsive. Performance and quality excellent
- 97 Mar,
Lockwood, Bob,
Photos of four small RC flying wings. The smallest is 16 inches and weights 88 grams.
- 97 Mar,
Lighcap, Ed,
Two Viking fuselages were used to make scale ships: Libelle 150 inch E203 A SZD 30 Pirate suffered from tip stalls and may not be rebuilt.
- 97 Mar,
Foster, Mark,
Southern CA Scale Soaring Festival report indicates a well run event. Photos and accounts of models present.
- 97 Mar,
Norris, Ken,
Ken shows photos of the 96 Soar Nats in Ontario Canada.
- 97 Mar,
Dream Catcher Hobby, Inc.,
Viper-S comes in 2 channel and aileron version. SD7037 Airfoil with Kevlar FG fuselage. Other kits from this Mfgr. are listed and described.
- 97 Mar,
Dynamic Modelling,
Guide Computer Radio Control Systems by Don Edberg for $17.95 can help you decide which radio to buy and how to program it.
- 97 Mar,
Sky Bench Aero Tech,
Otto Heithcker's Challenger which performed well in the 70's was revived and updated for zoom launches. Clark Y Airfoil 145" and 1242 sq.in.
- 97 Mar,
Sky Bench Aero Tech,
Lil' Bird 2 is a miniature bird of time. S3014 airfoil makes it easy to fly. All wood kit for $50.
- 97 Mar,
Sky Bench Aero Tech,
Osprey 2M design has FG fuselage with Kevlar reinforcement. Wing loading is 8.5 oz/in^2. Laser cut rib construction. Price is $120.
- 97 Mar,
Sailplanes Unlimited,
PriBek is releasing a 1/2 size ASW-27 7.5 meter wing span. Contact Sailplanes Unlimited at 2125-879-1634
- 97 Mar,
Grammer, Les,
The Northwest Soaring Society (NWSS) includes flyers from 7 states. The annual tournament is conducted. Les discusses the 1996 event.
- 97 Mar,
Dave's Aircraft Works,
EPP trainer glider at 71" is a fun way to learn to fly. Takes standard radio equipment. $70.
- 97 Apr,
Garwood, David,
Garwood photo of scale model at Los Banos Slope Scale Soar-In shows a beautiful photo on the cover or RCSD.
- 97 Apr,
Kuhlman, B^2,
A Messerschmitt Design Bureau entry into a 1944 competition was built in a model. The construction is discussed. Flying after trimming was good.
- 97 Apr,
Thomas, Jim,
Fazer 2M ship by Slegers International is similar to the former Laser. The changes include change in platform, thinner tip section, smaller stab.,
- 97 Apr,
Thomas, Jim,
[cont.] only a small amount of lead needed to balance. Flight performance is more like a 100 inch model. Launches high and is stable.
- 97 Apr,
Swingle II, William G.,
Ballast and penetration are the topics of this article. A plane's versatility and your enjoyment can be increased by ballasting.
- 97 Apr,
Savoie, Steve,
Describes process of making wings for Vikings Model's Salto Scale model Aerospace Composites video describes making templates to vacuum bagging.
- 97 Apr,
Knight, Sherman,
JR XP8103 radio offers new features, FM & PCM mode, trainer function, two programming modes, 2x larger display window, smooth flap transition.
- 97 Apr,
Knight, Sherman,
[cont.] trim offset, better function description on screen, graphic disp. + all standard programming functions expected on a computer radio.
- 97 Apr,
Sanders, David,
Torrey Pines Gull's 1st. Annual President's Cup Challenge was designed to be an easy entry for new competitors. 2 channel only Lots of good ideas.
- 97 Apr,
Sanders, David,
[cont.] Features 25 minutes, add them up feature, 25 landing points for first 4 landings. President buys pizza for people who beat him.
- 97 Apr,
Savoie, Steve,
Interview with Ed Slegers of Slegers International. Many interesting questions are posed of this former motorcycle racer - shop owner.
- 97 Apr,
Stahl, Gordy,
Gordy visits Paul Perret, designer of the LASOARS electric sailplanes. These are unique and beautiful models which fly well. AMA Championships
- 97 Apr,
Nankivil, Mark,
Monarch EX is an electrified HLG model for a Speed 400 motor. Details of
- 97 Apr,
Nankivil, Mark,
[cont.] Other ElectroSlot models shown include the Voyager and Odyssey from Ken Williams at K&A Models Unlimited 9300 Yvonne Marie Dr. NW, Albuq., NM
- 97 Apr,
Register, David,
Jane's US Navy Fighters is recommended as the most realistic of all the flight simulators. 30 military aircrafts. There is no sailplane option.
- 97 Apr,
Register, David,
[cont.] Microsoft Flight Simulator does have a sailplane (SFS). Dave gives instructions for optimizing the MS sailplane setup.
- 97 Apr,
Garwood, David,
RC flight simulators are developing rapidly and can be complex but offer more capability to learn & perfect skills and play with partners.
- 97 Apr,
Derstine, John,
SFSPC is a German flight simulator is the most realistic for sailplanes. Dave Brown's RCFC Version 4 is good for nuts and bolts RC flying.
- 97 Apr,
Stagmaier, Kurt,
Flight Unlimited by Looking Glass Technologies provides Grob G-103A and Akrosailplane. It is very accurate and even has aerotowing from fields.
- 97 Apr,
Stagmaier, Kurt,
[cont.] Requires DX33 or better, MS DOS 5.0 or higher 8 megs of RAM SVGA, 25 megs of disk space. Comes on CD-ROM
- 97 Apr,
Gell, James,
SFSPC flight simulator by G.E.E. Wiz, Inc. is dedicated to soaring flight. Developed in Germany w/ 4 sailplanes + RC. in Michigan: 810-932-0825
- 97 Apr,
Rosner, Kurt,
A comparison is made between Microsoft Flight Simulator and Flight Unlimited by Looking Glass Technologies. Good comparisons made.
- 97 Apr,
Lehman, Robin,
Flight Unlimited for Macintosh is reviewed. Grob G103 is a very good sim. of the real thing. Can set wind and thermal conditions. Demo flights.
- 97 Apr,
Applebay, George,
SW Vintage & Classic Sailplane Rally (SVCSR) will be held June 15-21 in Moriarty, NM. Some connection with RC Scale is desired.
- 97 Apr,
Derstine, John,
Aerotow 97 at Elmira and Harris Hill is planned for June. Info. on the Internet: http:/www.soaringmuseum.org and other listed sites.
- 97 Apr,
Dorig, Etienne,
Perhaps the first attempt to aerotow scale sailplanes using an electric tug. Astro 40G & 16 cells used on a Piper Cub w/ 15 M line, w/ 30# test link.
- 97 Apr,
Martin, Randy,
A wiring harness with plugs for wing connections is shown. Material specifications are given for the connectors.
- 97 May,
Canning, Peter,
Cover Photo of Peters wonderful 53 minute flight with his Gentle Lady in Alta Vista. Peter says he is fanatically devoted to R/C Soaring.
- 97 May,
Slates, Jerry,
1997 SSA Convention in Arlington TX was a display of many full scale gliders including LS-8, DG-800, ASW-27 and Windex self launching SP.
- 97 May,
Slates, Jerry,
Don Edberg of Dynamic Modeling has a Guide to Computer Radio Control Systems. (714) 552-1812 and 72417,2067 @ compuserve.com
- 97 May,
Via, Ivan,
The Geek from Birdworks is a flying wing with fixed fin/rudder. Durable foam construction is taped and cemented together.
- 97 May,
Sanders, David,
'Foamy' airframes are becoming popular. This is a general article on building foam models. Spray contact cement, let dry, apply Tesa Strap tape
- 97 May,
Sanders, David,
[cont.] without tension. Use cotton rag to press down. When covering use heat cautiously to shrink them. Let them cool in the saddles. Good Article
- 97 May,
Knight, Sherman,
Continuation of earlier article on JRX8103 radio has details for setting flap, elevator, camber, aileron mixing w/ multipoint mixing which
- 97 May,
Knight, Sherman,
[cont.] eliminates bumps with flap deployment. Ail->Rudder, Elev->Flap V-tail, Throws, V-tail differential up/down.
- 97 May,
Nankivil, Mark,
An account of Scott Lennon's preparations for 96 F5B World Championships in the Czech Republic.
- 97 May,
Stahl, Gordy,
Midwest Essence has precisely die-cut parts with notches for easy construction. Front former is drilled for a motor. V or Conventional
- 97 May,
Stahl, Gordy,
[cont.] tail option. A Du-Bro mechanical mixer is provided. S3010 airfoil, 32 oz with 100 ma battery. Seven building tips provided.
- 97 May,
Kuhlman, B^2,
Facts and figures on the X-36 fighter. 20% model was test flown as a scale model. Photograph of model is shown.
- 97 May,
Savoie, Steve,
Zagi-LE combat ship was EPP leading edge. Plane was built in 3 hrs. by 6 members of the Down East Soaring Club. Flying went well in light lift.
- 97 May,
Lehman, Robin,
This is an overview of what is happening in the growing Scale Glider seen: New ANA scale event, US events, European events, Motor Gliders
- 97 May,
Simons, Martin,
Discussion of Michael Selig's airfoils and test data. Selection of the airfoil depends upon design goals. Wind tunnel data quality has improved.
- 97 May,
Swingle II, William G.,
A slope flying experience at Los Banos reservoir is told. N. facing slope is best. $5 charge paid to park ranger. Good light reading!
- 97 May,
Lehman, Robin,
Learn to adjust your trim tabs w/o looking. Use different trims during flight to optimize your flying performance.
- 97 May,
Border, Rich,
ASK-21 from Sailplanes Unlimited was reviewed. Model is easily built, is easy to fly and costs only $450 - about the same cost as conventional.
- 97 Jun,
Anderson, Chuck,
Chuck Anderson, a retired Air Force Lt. Col. is shown launching his Spica sailplane. Chuck is the speaker at the Mid-South Soaring Championship.
- 97 Jun,
Murray, Lee,
Prospects of a dream retirement community are discussed. The attributes which can be used to compare locations are listed. Responses requested
- 97 Jun,
Slates, Jerry,
Ways to install a servo wire conduit in the foam are discussed. Methods include a portable hot wire cutter and heated steel rod.
- 97 Jun,
Barter, Ernie,
The RnR Genesis SE is given high marks and Ernie says were the optimum CG is in his opinion. He likes the handling and landing.
- 97 Jun,
Kuhlman, B^2,
Akaflieg Berlin B11 flying wing is shown in 3 views and discussed. Virtues and problems of excessive wing sweep are discussed.
- 97 Jun,
Chovan, Joseph,
Interview with David Sanders of Dave's Aircraft Works. His primary business if making scale EPP kits for slope and thermal soaring. Good!!
- 97 Jun,
Stahl, Gordy,
Gordy tells the story of Cecil Haga, designer of the Legionair. The design objectives are discussed (74 Nats Win). First Al tube spar and tail boom.
- 97 Jun,
Savoie, Steve,
The construction and design philosophy for bagged wings & stabs are discussed. CF-Glass cloth, CF cloth, Spectra cloth for LE reproduction.
- 97 Jun,
Lehman, Robin,
Polarized sun glasses are inferior to Blue Blockers for bright skies. The theory was tested and showed more contrast on very high models.
- 97 Jun,
Simons, Martin,
Pt II of series on wind tunnel tests. Reynolds numbers (Re) and their impact on low speed flight. History of Pre WWII wind tunnel tests
- 97 Jun,
Simons, Martin,
[cont.] usually troubled with turbulence in the tunnel. Comments on NACA, F.W. Schmitz, J. Lnenicka testing.
- 97 Jun,
Fulmer, Dan,
Dan addresses the reason for so few large slope scale models: cost, scratch building, time to complete, lack of CG info, airfoils, etc.
- 97 Jun,
Fulmer, Dan,
[cont.] Wing Cube Loading theory. WCL = (Oz/Ft^2)/Ft^2 WCL of 7 to 9 seems to be the target. Flying and trimming hints
- 97 Jun,
Swingle II, William G.,
Story of trying to fly a heavily ballasted foameron in a 50 mph gale.
- 97 Jun,
Thompson, Colin,
Site of 1997 F3J International event is described.
- 97 Jun,
Beck, Dave,
Plans for an Arizona solar distance in a straight line record are discussed. Arizona is chosen for best solar coverage and long distance in a line.
- 97 Jun,
Tod, John H.,
A good reflective piece about training a friend to do touch and go landings as well as training in general. Instructive as well as entertaining.
- 97 Jun,
Polapink, Tom,
Advice in acquiring documentation for an aircraft. Choose model after you choose the documentation - its the easier way. Sources given
- 97 Jun,
Cusack, Terry; Veatch, David and Rierson, Rob,
23rd Annual Tangerine Soaring Championship in Orlando is presented by Orlando Buzzards Soaring Society. 75 contestants from 14 states.
- 97 Jul,
Slates, Jerry,
Early polyhedral gliders used 2 ch. control. Advanced models had spoilers. These models can be built today using foam cores, Kevlar, CF and other
- 97 Jul,
Slates, Jerry,
[cont.] new materials to make them compatible with modern launch equipment. First section covers making foam core wings for these models.
- 97 Jul,
Chovan, Joseph,
4th annual Los Banos slope scale soar-in was held May 16-18 at Los Banos Reservoir. Opened w/ a full size fly-by by Paul Grieshaber. Good Report!
- 97 Jul,
Kuhlman, B^2,
Panknin wing twist program, downloaded from http://www.halcyon.com/bsquared A design is discussed which used this program. Some adjustments were made.
- 97 Jul,
Murray, Lee,
Existing AMA Rule Book TD events have fostered the development of models which improve performance. The successful competitor must invest lots
- 97 Jul,
Murray, Lee,
[cont.] of money to win outside of HLG. The definition of a simple contest format supported by a consensus of flying will benefit T. Soaring.
- 97 Jul,
Savoie, Steve,
Steve describes his fitting CF bagged wings on a 1/6 scale Salto from Viking Models. The use of Ultracote Plus (the sticky stuff) is described.
- 97 Jul,
Sanders, David M.,
PSSA Quarterly Newsletter from GB's Power Scale Soaring Association is referred as a great source of information on PSS. EPP Corsairs at Los Banos
- 97 Jul,
Lehman, Robin,
NiCad batteries should be checked at the field for the reasons: may have a weak cell, charged may have quit at a shallow charge, longer use than
- 97 Jul,
Lehman, Robin,
[cont.] expected. Test batteries under load. Cycle batteries on occasion Low capacity happens due to a weak cell. A low 12V source is a problem.
- 97 Jul,
Weaver, Ron,
Very funny article on the art of making the best out of an off field landing. By carefully selecting options you can raise your esteem w/ peers.
- 97 Jul,
Beck, Dave,
Update on ill fated attempt to extend the XC world record beyond 25 miles in Tucson AZ. Mother's Day curse may have taken it's toll.
- 97 Jul,
Edmonds, Terry,
CAIM report on F3b, F3j rules changes. Turn-around safety rules go into effect now. 10 min max rule is effective 2001, J3j last flight in a
- 97 Jul,
Edmonds, Terry,
[cont.] working time is the official time vs picking the best flight. Rules for dealing with ties.
- 97 Jul,
Knowles, Christopher,
4th. Annual Western Flyers swift XC-96 Report and announcing the 97 event on Aug. 9 & 10 in Omaha, Nebraska
- 97 Jul,
Simons, Martin,
Pt III of series. Stuttgart test under Wortmann was issued in 1980 and 85. Clear advantages not seen for particular profiles with same camber &
- 97 Jul,
Simons, Martin,
[cont.] thickness. E-193 is about the same as a Clark Y about 1923.
- 97 Jul,
Nankivil, Mark,
MVSA (Mississippi Valley S. Assoc.) Spring Soaring Contest May 3 & 4 is reported on. 19 contestants Winds gusting to 26 on Sat. Photos
- 97 Jul,
Mallett, Fred,
Hints on reading the location of lift from sign your model gives you. The tail of the model shows lift or sink and direction to lift.
- 97 Jul,
Borden, M.S.,
when installing pushrods attach every 6-8 in. and keep straight as possible. Instructions for using aluminum tube segments to attach to fuse.
- 97 Jul,
Borden, M.S.,
[cont.] Use music wire to keep the control rod tubes straight while installing them in fuselage. Use epoxy fillets.
- 97 Jul,
Borden, M.S.,
Getting a flat building board is important but hollow core doors are usually not flat. Instructions making a flat board w/ 5/8" particle board.
- 97 Jul,
Sailplanes Unlimited,
1/4 scale DG800M cores with belt driven prop for self launching and retraction. (202) 781-9175
- 97 Jul,
Nankivil, Mark,
Car top carriers for models keep your models safe and dry. Good for small cars. (314) 781-9175
- 97 Aug,
Slates, Judy & Jerry,
RCSD is on the Internet as part of Bill Kuhlman's page with links to 15 other Information and product sources. Late breaking news will appear on
- 97 Aug,
Slates, Judy & Jerry,
[cont.] this page under RCSD news and upcoming articles. http://www.hallcyon.com/bsquared/RCSD.html
- 97 Aug,
Slates, Jerry,
Part II of series about building a 2 channel polyhedral glider deals with making the polyhedral joint after sheeting the whole wing while flat.
- 97 Aug,
Keller, Jim,
The Zephyrus design and construction is described in some detail. 48 in span, 23 deg sweep, RG15 foam core, 4 deg washout, 12in root, 7in tip
- 97 Aug,
Slates, Jerry, et.al.,
e-mail interview with Martin Simons, He talks about early experiences Born 6 mi. from Camphill where he first flew. Martin flew a vintage meet
- 97 Aug,
Slates, Jerry, et.al.,
[cont.] with winch launches. English glider pilots are having trouble w/ entry in French FS contests. Martins describes his development of interest.
- 97 Aug,
Garwood, Dave,
1997 Sig/LASS Midwest Slope Challenge is covered w/ photos. The event was held in Russell County, KS. Lake Wilson may be future site.
- 97 Aug,
Slates, Jerry, et.al.,
[cont.] How to publish and how to select the best route to sell your work. Stab Design and comments on winglet design.
- 97 Aug,
Melnyk, Dave,
Stories of several ill-fated experiences of an over enthusiastic modeler.
- 97 Aug,
Norsworthy, Gregory,
A modified Mylar tape hinge is described which keeps the entire surface from warping with a long strip of tape as a hinge.
- 97 Aug,
Stahl, Gordy,
Gordy tells the story of Mike Popescu, owner of Inventec and designer of the Esteem, Grand Esteem, and Pelikan
- 97 Aug,
Stahl, Gordy,
Gordy Flies with eastern soaring league and talks about Chris Sanders age 12.
- 97 Aug,
MM Glider Tech,
EPP Aileron slope glider comes with Packaging tape, 2 channels, tow hook can be added. $42 PO Box 39098, Downey, CA e-mail: mmglidrt@keyway.net
- 97 Aug,
ICARE Sailplanes,
DG800 1/5 semi scale of 15M and 18M gliders w/ SD7077 A/F sheeted foam w/ CF/FG reinforcement & installed features 514-449-9094 ICARE@telts.com
- 97 Aug,
Capable Computing, Inc.,
Motocalc predicts current, V, Power in & out, efficiency, RPM, thrust run time $35 http://www.capable.on.ca/rcstuff.htm
- 97 Aug,
Tim McCann,
Super Skeg Parts, Reasonable prices, P.O. Box 2091, Harrison, AR 72602 (807) 305-0023
- 97 Aug,
Unbeaten Path Imports,
B25 Mitchell, Pterosaurs and other scale models. PO Box 271, Oconomowoc, WI 53066 e-mail www.unbeatenpath.com
- 97 Aug,
Lehman, Robin,
Fayetteville 97 Air Tow Fly-in by Piedmont Aeromodelers was on April 25/26 in NC. Models performed scored aerobatics in competition. Good turn out
- 97 Aug,
Simons, Martin,
Pt IV of Series comments on differences between UIUC and Princeton wind tunnels used by M.Selig. More on how to read Cl vs Cd plots.
- 97 Aug,
Fogel, Gary,
Los Banos 96-97 is a video production of Gliders Downunder. Positive Review Positive Review. Torrey Pines scale, Austrians, aerotowing, winching, etc.
- 97 Aug,
Carmichael, Asher,
1/3.75 Polish MDM Fox 2 place aerobatic glider kit is reviewed. Model is stable.
- 97 Sep,
Enhuei, Joseph,
13 tips on how to fly a large scale glider and avoid tip stalls. Tips include, CG, positive linkages, winglets, coordinate turns, fly faster.
- 97 Sep,
Slates, Jerry,
Part III of series about building a 2 channel polyhedral glider deals with fitting wings to fuselage and evaluating it. Wing loading was 9 oz/ft^2
- 97 Sep,
Slates, Jerry,
- 97 Sep,
Kuhlman, B^2,
B-2 Stealth Bomber - the Spirit is discussed and compared to the YB-49. The Stealth is not that radical of a design and should be stable.
- 97 Sep,
Sanders, David M.,
A system is defined for organizing a slope soaring combat event. Matrix card format, contest matrix board. Max of 12 pilots in 5 heats/round.
- 97 Sep,
Sanders, David M.,
(cont.) Hand launch 'foamy' gliders which weigh 16 oz may not perform like an 11 oz model but it is valuable for practice and learning.
- 97 Sep,
Lehman, Robin,
The first flights of a new model should be without mixing. Evaluate the interactions then set up mixing. Fred Rettig excellent Reiher is shown.
- 97 Sep,
Derstine, John,
Soaring Hall of Fame and National Soaring Museum dedicates a new exhibit. The exhibit details progress in R/C soaring from 1937 to present.
- 97 Sep,
Murray, Lee,
Readers respond to Lee's article on the best place to retire by proposing Las Vegas, NV and Thousand Oaks, CA with supporting information.
- 97 Sep,
Cook, Jim,
Las Vegas Soaring Club and its flying site are described. The flying site is a drainage basin not expected to flood. Spot landings on carpet
- 97 Sep,
Simons, Martin,
66 of 74 sailplanes in St. Auban Fr contest had winglets. One turned down with rub strip, some had Horner winglets, one turned up tip. Design of
- 97 Sep,
Simons, Martin,
(cont.) winglets was the topic of OSTIV Congress held during the contest. Bug wipers for leading edge. Ballasting. Model flown discussed.
- 97 Sep,
Eckel, Rick,
Programming flaps on the JR radios 374, 388, 783, 8103. Flaps should be the first function programmed. A description of how to set presets, crow.
- 97 Sep,
Simons, Martin,
Wind tunnel testing Pt V. Limitations to wind tunnel measurements and how drag is measured by slowed air velocity caused by the test airfoil.
- 97 Sep,
Swinehart, Ron,
Mid South Soaring Championships June 19-22 are reviewed. The XC event and HLG event hampered by rain. Chuck Anderson talked on SP design and future.
- 97 Sep,
Swinehart, Ron,
Mid South Soaring Championships, June 19-22 in Huntsville, AL are reviewed. Rain hampered XC and HLG events. Chuck Anderson spoke at Banquet.
- 97 Sep,
Wilson, Ed,
Ed previews Louisville, Mid South Soaring Championships for 1998. Nostalgia event on Friday replaces XC event. HL golf on Friday PM.
- 97 Sep,
Kuhl, Bill,
Bill re-enters RC flying after a 10 year break. Bill finds hand launch gliders are a great skill builder and reinvigorates interest.
- 97 Sep,
King, Dale,
Dale talks about a fuselage/tail platform for evaluation different airfoils Airfoils: SD7080, K-model, SD7080/7037, SD7037, SD7032.
- 97 Sep,
Register, Dave,
An analytical explanation of why adding lead to a model & reflexing the wing increases the distance that can be covered when flying upwind.
- 97 Sep,
Sanders, David M.,
Review of the TPG annual International HL Glider contest which attracted 62 entrants. Different tasks for each of 13 rounds are described.
- 97 Sep,
Weston, Adam,
Requirements for a HLG contest are listed: A field, prizes, participants, a scoring system and good weather. Info. about details on score cards.
- 97 Sep,
Weston, Adam,
(Continued) Check the following pages: http://www.bright.net/~djwerks http://widget.ecn,purdue.edu/~aweston/hlgcomp.html
- 97 Oct,
Garwood, Dave,
Cover photo of Gordy Stahl catching Vaquero Ninja by the Mohawk River in Schenectady, NY.
- 97 Oct,
Slates, Jerry,
A storage and travel box is constructed from fluted polypro (polypropylene) The easily made box uses Glue Buddy adhesive and costs about $15 total.
- 97 Oct,
Kuhlman, B^2,
Follow ups to former articles: EPP Me 163A Komet zip starts to winch altitude, Zagi-LE popular world round, more on X-36, Jack Wabbit, Zephyrus
- 97 Oct,
Mallett, Fred,
Fred describes how to make a two piece wing from a foam core HLG model wing Seven steps describe the construction which adds little weight.
- 97 Oct,
Little Big Winch,
Small easy to carry 16 lb. winch is shown which will put your open class sailplane in the air. Battery separate. $445 e-mail wdimick@aol.com
- 97 Oct,
Swingle II, William G.,
Bill flies TG-3 EPP model in park while son takes piano lessons. TG-2 gets stuck in tree and provides good story of how the problem is resolved.
- 97 Oct,
Lehman, Robin,
Aerobatics provide entertaining relief from normal flying, improves skill. You must get back to individual (unmixed) controls and learn to really fly.
- 97 Oct,
Lehman, Robin,
Instructions are given for straight & level flight as well as loops, flying inverted, the use for your rudder.
- 97 Oct,
Savoie, Steve,
Uses for Thermal Sniffers are listed: Pitch control at high altitudes Finding sink when in lots of lift, evaluating performance of models.
- 97 Oct,
Murray, Lee,
Statistical analysis of 1080 flights show effect of wingspan, designs, winch capability, seasonal differences, flight time vs construction time.
- 97 Oct,
Nankivil, Mark,
Report on 1st. Annual Land of Lincoln E-Fly with photographs.
- 97 Oct,
Trick R/C,
Wing gloves from EPP Foam will keep your wings in good shape in storage and while traveling. 938 Victoria Ave, Venice, CA 90291 http://www.Zagi.com
- 97 Oct,
Soaring Stuff,
Everything you Always Wanted to Know About Airfoils video covers basics to interpretation of wind tunnel data. Produced with M.Selig of UIUC.
- 97 Oct,
Stahl, Gordy,
Account of 97 Muncie NATS. Gordy teams up with Dave Garwood for photos to give a very nice report of the NATS activities.
- 97 Oct,
Simons, Martin,
Pt VI of series on wind tunnel testing covers boundary layer and separation bubbles. Separations cause higher drag and usually precede stall.
- 97 Oct,
DeVisser, Bruce, et.al.,
An account of Aerotow 97 at Elmira, NY describes activities at the event plus the tow planes & models flown. Many photos and description of equip.
- 97 Oct,
DeVisser, Bruce, et.al.,
A German Thermal Sniffer was described which has a low flight pack alarm. The source is given.
- 97 Oct,
Enhuei, Joseph,
An account of Elmira 97 describing the preflight inspection which caught several problems. Best of Class Awards for Best Pilot, Vintage, Modern
- 97 Oct,
Enhuei, Joseph,
[cont.] Sponsor. Sold out banquet at the National Museum. Many prizes June 11 to 14 1988 is date set for next event.
- 97 Oct,
Swingle II, William G.,
Bill tells of a great day he flew at 3 sites w/ different lift conditions. Bill ends up in friendly 'foamy' combat.
- 97 Oct,
Wilson, Oliver,
Nylon wing bolts are usually sized too large to minimize damage to the model in a crash. Using 2 screws holds wings together and aids sheering.
- 97 Nov,
Ilac, Tania,
Photo of 'foamy' model soaring with a gull at Torquay Beach in Geelong, a southern beach of Victoria, Australia Photographer is well known.
- 97 Nov,
Slates, Judy & Jerry,
RCSD goes to new format after 13 years of half page size. Change enables RCSD to self publish saving cost and difficulty in putting out magazine.
- 97 Nov,
Kuhlman, B^2,
Information about the popular full size Genesis 1 including objectives current status and comments about the model built by Charlie Fox.
- 97 Nov,
Lehman, Robin,
Aerobatics bring a new level of excitement for scale flyers. This article discusses the split-S and roll, the first steps in learning aerobatics.
- 97 Nov,
Derstine, John,
Elmira 98 will take place June 11-14. 11-open soaring no full size traffic 12-1st official day, evening picnic, 13 & 14-open soaring + FS rides
- 97 Nov,
Sanders, David,
DAP Welwood contact cement is good for building EPP models. Using Ultracote works well and sticks to the glue so well that it is hard to remove.
- 97 Nov,
Sanders, David,
[cont.] Ed Harris says that ThermalSpan is a good paintable surface. Rules are discussed - two classes one for flying wings and one unlimited.
- 97 Nov,
Roe, John,
John tells of story of landing at the wrong end of the landing tape, making a ill fated attempt to get the score changed and the succeeding in contest.
- 97 Nov,
Nankivil, Mark,
Simprop Fashion-S4083 HLG is reviewed. It can be built with a Speed 400. It is well designed with good features. Glass Fuse, sheeted wings, 16.5 oz.
- 97 Nov,
Chovan, Joseph,
Much of what attracts us flyers is the beauty of form. This is what makes the eagle in flight and the cheetah in stride attractive. Models can
- 97 Nov,
Chovan, Joseph,
[cont.] do what manned planes cannot. Requirements of speed and other performance functions create beauty in the modeler's eye.
- 97 Nov,
Register, David,
TulSoar's Last Fling of Summer Contest is reviewed. In addition to HLG, 2M and Unlimited there were scale models entered and Banzai launches.
- 97 Nov,
Register, David,
[cont.] Top 10 finishers in Unl. and 2M and their models are listed. Also top 5 finishers in HLG are listed with models. Good Review!
- 97 Nov,
Savoie, Steve,
A description is given for making a simple spar for a HLG or small slope ship. Construction time is 2 hours not including curing time.
- 97 Nov,
Clark, Paul,
Third annual Joe Wurts RCHLG Cup Fly sponsored by the Takatsuki Openfield Flyers is reviewed. Run by Buzz Tokunaga who had visited the US recently.
- 97 Nov,
Wilson, Oliver,
Instructions and justification for using nylon wing mounting bolts is given. Already built models can be modified giving you better L/D and faster flight
- 97 Nov,
Weaver, Ron,
Instructions on how to get involved in competition. It's not for everyone but it offers encouragement to those who are thinking about competition.
- 97 Nov,
Swingle II, William G.,
Entertaining story of wishing to have a highstart, finding the materials and putting it together.
- 97 Nov,
Fogel, Gary,
Avocet Vertech Pilot Wristwatch provides a light and compact device to document maximum altitude, No. of thermals, rate of climb and more.
- 97 Nov,
Swingle II, William G.,
Bill notes that some people driving by an active slope soaring site never look to see what is going on. The quest for the reason continues.
- 97 Nov,
Brengman, Del,
Article describes the construction of a heated box with control equipment to keep curing rates up after the laminations are complete. Good article!
- 97 Nov,
Simons, Martin,
Pt VII of wind tunnel tests of wing profiles deals with local variations in drag across the wind tunnel. Averaging is used to obtain useful data.
- 97 Nov,
Simons, Martin,
[cont.] The variability is worse at low RN. Air velocity behind wing is used to compute drag. Two dimensional flow is assumed but always achieved.
- 97 Dec,
Slates, Jerry,
Viking Models fuselage production has been put on hold due to an allergy. Vacuum formed canopies will be in production as normal.
- 97 Dec,
Kuhlman, B^2; MacDonald, Andrew,
Christian Behrens and Christian Tollmien have designed a high performance flying wing which is competitive in T.D. with enough lift to break lines.
- 97 Dec,
Kuhlman, B^2; MacDonald, Andrew,
[cont.] Sport and competition versions of the designs are available from Behrens. Details on A. MacDonald's web page linked from www.halcyon.com
- 97 Dec,
Slates, Jerry,
Kevlar Provides an airtight hinge when put between the foam core and the skin materials. Cut through to the hinge line with razor saw or blade
- 97 Dec,
Slates, Jerry,
[cont.] and cut through to the Kevlar. A triangle file and sanding block are recommended to clean epoxy from Kevlar for easier movement.
- 97 Dec,
Lehman, Robin,
A flight simulator can help flyers learn aerobatic maneuvers during nonflying months. Half and full Cuban 8s are described.
- 97 Dec,
Roe, John & Sanders, David,
Visalia Contest report w/ standings. 272 Pilots entered the largest RC sailplane contest in the world. Events: Gray cup for over 55, Nostalgia
- 97 Dec,
Roe, John & Sanders, David,
[cont.] plus Open and 2 Meter TD. Weather was excellent. Highlights Catapult warp speed launches, night flights, HLG fun events, 'foamies'
- 97 Dec,
Roe, John & Sanders, David,
Trade show included 3 new companies coming from Airtronics: Whyte Wings for kits, Renaud Designs for new Emerald and Airtronics (Sanwa) for radios.
- 97 Dec,
Stahl, Gordy,
Part II of interview with Mike Popescu and his Vision. Airfoil technology is as good as we need. Inventec looks at lower drag in total design, low
- 97 Dec,
Stahl, Gordy,
[cont.] weight with adequate strength, improved control with minimal disturbance when using control deflections.
- 97 Dec,
Stahl, Gordy,
Pelican design is evaluated and compared with Grand Esteem. Four flyers comments from Internet. Kit uses SD7080 root and SD7084 tip airfoils.
- 97 Dec,
Savoie, Steve,
Soaring Stuff offers a video which is a must for the club library which takes a new modeler from learning tools & techniques to the first flight.
- 97 Dec,
Nankivil, Mark,
Coverage of 1st. US F3J team selection process at Grand Ledge, MI. A team of expert flyers and advanced models participated. Contest format given.
- 97 Dec,
Christensen, Scott,
Scott recounts the origins of RC soaring at Del Mar High School in 1965. Early 6V winch had no turn-around. Origins of LSF tasks and landing tasks.
- 97 Dec,
Christensen, Scott,
Article traces the formation of interested flyers into an organization. The people responsible for a self advancement program and later connecting
- 97 Dec,
Christensen, Scott,
[cont.] with the AMA. An excellent review of the history of RC Soaring in the USA.
- 97 Dec,
Kurath, Barry,
Barry tells of his climb to Level V and the troubles and strategies used to achieve this level. Successes were sometimes quick others not so quick.
- 97 Dec,
Vennerholm, John,
A description of the LSF today with membership of 7,330 including 1890 in other countries. How to get involved and what to expect.
- 97 Dec,
Vennerholm, John,
John tells his story of advancing in LSF and his attempts at the 8 hour slope soaring task including the last at Butler Mtn. near Asheville, NC.
- 97 Dec,
Postuma, Cal,
Cal, a disabled flyer, advances through to Level V. Help from friends & Cal's excellent flying abilities made it happen. Good story of teamwork.
- 97 Dec,
Howard, Mark,
Story of Matt Sheldon achieving his 2 hour thermal duration flight in which he often couldn't see the model.
- 97 Dec,
Munkeso, Morten,
Results of an International 2M Postal Event which turned out to be a Denmark event due to lack of foreign participation.
- 97 Dec,
Derstine, John,
A 1/3 scale pilots are available. Dieter has rubber head, hands and feet. Available from Johann via John Derstine at 717-596-4392
- 97 Dec,
Sailplanes Unlimited,
A 1:4.5 scale all glass Pilatus Turbo Porter PC-6 makes a good tow plane with real scale features. 212-879-1634
- 97 Dec,
Sailplanes Unlimited,
1:2.5 Fox by Bruckmann is available. Span is 222 inches and weight is 30 lbs. Obechi sheeted wings. Everything else is finished.
- 97 Dec,
Sky Bench Aero Tech,
Bowlus Baby Albatross is a 122" laser cut short kit. This is a built up with good accuracy and plans at under $100.
- 97 Dec,
Slates, Judy,
Coming events listed for Los Banos Slope Scale Soar-In, Elmira Aerotow 98 Mid South Soaring Championship.
- 98 Jan,
Kagi, Jack,
Yves Berkhardt is shown on cover doing inverted flight in aerobatic contest in Switzerland. Very remarkable photograph.
- 98 Jan,
Kagi, Jack,
Yves Berkhardt is shown on cover doing inverted flight in aerobatic contest in Switzerland. Very remarkable photograph.
- 98 Jan,
Slates, Jerry,
Building from Plans is saves costs and provides ability to own models which are not available in kits. Jerry modifies the Paragon to be stronger.
- 98 Jan,
Slates, Jerry,
[cont.] There is a description of how to make ribs in a stack both for tapered and non-tapered sections.
- 98 Jan,
Slates, Jerry,
Building from Plans is saves costs and provides ability to own models which are not available in kits. Jerry modifies the Paragon to be stronger.
- 98 Jan,
Slates, Jerry,
[cont.] There is a description of how to make ribs in a stack both for tapered and non-tapered sections.
- 98 Jan,
Murray, Lee,
The RCSD database is described as well as how to get it and how to use it. The address for the database: http://www.halcon.com/bsquared/RCSD.html
- 98 Jan,
Murray, Lee,
The RCSD database is described as well as how to get it and how to use it. The address for the database: http://www.halcon.com/bsquared/RCSD.html
- 98 Jan,
Sanders, David M.,
An excellent list w/ photos of new models which are available for slope soaring and combat. Also some EPP scale models. Boomerang, Nemesis,
- 98 Jan,
Sanders, David M.,
[cont.] Vulcan, F7U-3 Cutlass, Me P.1111 &2, BAE Hawk, Yak-9, F4U Corsair F-21 Predator, AVRO Vulcan & Mig-3. Also night flying lights.
- 98 Jan,
Sanders, David,
An excellent list w/ photos of new models which are available for slope soaring and combat. Also some EPP scale models. Boomerang, Nemesis,
- 98 Jan,
Sanders, David,
[cont.] Vulcan, F7U-3 Cutlass, Me P.1111 &2, BAE Hawk, Yak-9, F4U Corsair F-21 Predator, AVRO Vulcan & Mig-3. Also night flying lights.
- 98 Jan,
Swingle II, William G.,
Bill tells us how he developed his life long interest in soaring when he discovered he could fly a glider above his head without an engine.
- 98 Jan,
Swingle II, William G.,
Bill tells us how he developed his life long interest in soaring when he discovered he could fly a glider above his head without an engine.
- 98 Jan,
Kuhlman, B^2,
Comparisons between nature and man's flying inventions reveals that we are still trying to catch up. The function of bird's tail is more than a stab.
- 98 Jan,
Kuhlman, B^2,
Comparisons between nature and man's flying inventions reveals that we are still trying to catch up. The function of bird's tail is more than a stab.
- 98 Jan,
Lehman, Robin,
Report on the First French Aerotow Event in Normandy. Excellent photos punctuate the report about the event. Aerobatics require right amount of
- 98 Jan,
Lehman, Robin,
[cont.] airspeed. Airspeed vs upwind and downwind is discussed. Preception is that downwind turns cause crashes. Discussion about relative speed.
- 98 Jan,
Lehman, Robin,
Report on the First French Aerotow Event in Normandy. Excellent photos punctuate the report about the event. Aerobatics require right amount of
- 98 Jan,
Lehman, Robin,
[cont.] airspeed. Airspeed vs upwind and downwind is discussed. Perception is that downwind turns cause crashes. Discussion about relative speed.
- 98 Jan,
Kriesen, Art,
Scale Electric makes sense since winch launches are low and aerotowing is not an option in most places. Getting a model which is light enought is
- 98 Jan,
Kriesen, Art,
[cont.] a problem. Kevlar fuselage, obechi sheeted foam wings permitted construction to be equal to batteries, motor and prop. Excellent article!
- 98 Jan,
Kriesen, Art,
Scale Electric makes sense since winch launches are low and aerotowing is not an option in most places. Getting a model which is light enough is
- 98 Jan,
Kriesen, Art,
[cont.] a problem. Kevlar fuselage, obechi sheeted foam wings permitted construction to be equal to batteries, motor and prop. Excellent article!
- 98 Jan,
Johnson, Bob,
Keeping trailing edges straight with rib constrn. is a challenge. Properly oriented 1/64" plywood laminated to under side of balsa TE does the trick.
- 98 Jan,
Johnson, Bob,
Keeping trailing edges straight with rib constrn. is a challenge. Properly oriented 1/64" plywood laminated to under side of balsa TE does the trick.
- 98 Jan,
Clark, Paul,
A new (750 mm) Mosquito Class of sailplane competition has been started in Japan. 13 entries in first contest. New rules for shorter flights.
- 98 Jan,
Clark, Paul,
[cont.] Information about weight requirements, photos, lithium batteries. Airfoil selections included SD7037, S4083, SA7036.
- 98 Jan,
Clark, Paul,
A new (750 mm) Mosquito Class of sailplane competition has been started in Japan. 13 entries in first contest. New rules for shorter flights.
- 98 Jan,
Clark, Paul,
[cont.] Information about weight requirements, photos, lithium batteries. Airfoil selections included SD7037, S4083, SA7036.
- 98 Jan,
Neber, Jeff,
Instructions to laminate HLG wings by Chris Boultinghouse of CAB Designs. Put FG or Kevlar on LE Use .014" Mylar, cloth weights, waxing Mylar
- 98 Jan,
Neber, Jeff,
[cont.] vacuum levels to use. Painting Mylars for paint transfer reinforcing certain areas.
- 98 Jan,
Neber, Jeff,
Instructions to laminate HLG wings by Chris Boultinghouse of CAB Designs. Put FG or Kevlar on LE Use .014" Mylar, cloth weights, waxing Mylar
- 98 Jan,
Neber, Jeff,
[cont.] vacuum levels to use. Painting Mylars for paint transfer reinforcing certain areas.
- 98 Jan,
Savoie, Steve,
A description is given of how to make a rigging to launch a scale model on a winch to control the angle of attack.
- 98 Jan,
Savoie, Steve,
A description is given of how to make a rigging to launch a scale model on a winch to control the angle of attack.
- 98 Jan,
Nagel, Tom H.,
William Hoelcher of Western Ohio set an AMA Class A (HLG) record of 2:08:39 Team effort by Columbus Area Sailplane Club using a highly modified model.
- 98 Jan,
Nagel, Tom H.,
William Hoelcher of Western Ohio set an AMA Class A (HLG) record of 2:08:39 Team effort by Columbus Area Sailplane Club using a highly modified model.
- 98 Jan,
Simons, Martin,
Wind Tunnel Testing Part VIII deals with velocity distribution, transition of flow types, separation bubbles, bubble ramp.
- 98 Jan,
Simons, Martin,
Wind Tunnel Testing Part VIII deals with velocity distribution, transition of flow types, separation bubbles, bubble ramp.
- 98 Jan,
Pesznecker, Don,
Don gets the help of the Portland Area Soaring Society and thier XC teams to complete the course for the LSF 10K goal and return flight.
- 98 Jan,
Pesznecker, Don,
Don gets the help of the Portland Area Soaring Society and their XC teams to complete the course for the LSF 10K goal and return flight.
- 98 Jan,
Grenewetzki, Dave,
The Kodak DC20 digital camera was mounted to a model. A interface board was made to control the camera and keep it from turning off.
- 98 Jan,
Grenewetzki, Dave,
The Kodak DC20 digital camera was mounted to a model. A interface board was made to control the camera and keep it from turning off.
- 98 Feb,
St. John, Michael,
105" Flying wing Tarantula weighs 61 oz. appears on Front Page of this issue.
- 98 Feb,
Slates, J^2,
RCSD web page has two articles by Michael Selig describing the effect of drag on speed and scale effects. www.halcyon.com/bsquared/FlysFaster.html
- 98 Feb,
Slates, Judy and Jerry,
RCSD web page has two articles by Michael Selig describing the effect of drag on speed and scale effects. www.halcyon.com/bsquared/FlysFaster.html
- 98 Feb,
Slates, Jerry,
Building from plans, Pt II describes the addition of lower sheeting, & the addition of strength components such as joiner box and a CF joiner blade.
- 98 Feb,
Slates, Jerry,
Building from plans, Pt II describes the addition of lower sheeting, & the addition of strength components such as joiner box and a CF joiner blade.
- 98 Feb,
Wilson, Oliver,
Wood can be used to make strong spars which will not fail under heavy loads. This is done by changes in design allowing greater x-sections of spar caps.
- 98 Feb,
Wilson, Oliver,
[cont.] Changes in cap width and thickness can be considered as well as the use of taper. Paragon Design by Ed. Slobod is example of good design.
- 98 Feb,
Wilson, Oliver,
Wood can be used to make strong spars which will not fail under heavy loads. This is done by changes in design allowing greater x-sections of spar caps.
- 98 Feb,
Wilson, Oliver,
[cont.] Changes in cap width and thickness can be considered as well as the use of taper. Paragon Design by Ed. Slobod is example of good design.
- 98 Feb,
Kuhlman, B^2,
TFW-01 by Aldo Toni is a thermal soaring flying wing (unusual). There is aerodynamic twist and washout. The Panknin formulas were used to make
- 98 Feb,
Kuhlman, B^2,
[cont.] calculations for wing twist. Good illustration of construction and design.
- 98 Feb,
Kuhlman, B^2,
TFW-01 by Aldo Toni is a thermal soaring flying wing (unusual). There is aerodynamic twist and washout. The Panknin formulas were used to make
- 98 Feb,
Kuhlman, B^2,
[cont.] calculations for wing twist. Good illustration of construction and design.
- 98 Feb,
Lehman, Robin,
1997 Aero-Cup photo. Heavier models may perform aerobatics better because they can retain energy better. Immelman & Rev. Immelman are illustrated.
- 98 Feb,
Lehman, Robin,
1997 Aero-Cup photo. Heavier models may perform aerobatics better because they can retain energy better. Immelman & Rev. Immelman are illustrated.
- 98 Feb,
Gray, Jim,
Aerodynamic Design of Radioguided Sailplanes by Ferdinando Gale' is given a recommendation for RC modelers. Fundamentals, Airfoils, Wing, Fuselage
- 98 Feb,
Gray, Jim,
[cont.] Fuselage, Empennages, Stability, Maneuverability, Math & Physics Examples and problems with solutions.
- 98 Feb,
Gray, Jim,
Aerodynamic Design of Radioguided Sailplanes by Ferdi Gale' is given a recommendation for RC modelers. Fundamentals, Airfoils, Wing, Fuselage
- 98 Feb,
Gray, Jim,
[cont.] Fuselage, Empennages, Stability, Maneuverability, Math & Physics Examples and problems with solutions.
- 98 Feb,
Schifano, Donn,
Comments on getting excited about power slope soaring models being flown at Las Banos Soar In '98. Events listed. Issue discussed with flying time
- 98 Feb,
Schifano, Donn,
[cont.] flight speed of scale gliders and scale fighters such as Spitfires Author suggests haveing separate events for PSS and Scale.
- 98 Feb,
Schifano, Donn,
Comments on getting excited about power slope soaring models being flown at Las Banos Soar In '98. Events listed. Issue discussed with flying time
- 98 Feb,
Schifano, Donn,
[cont.] flight speed of scale gliders and scale fighters such as Spitfires Author suggests having separate events for PSS and Scale.
- 98 Feb,
Gray, Jim,
Volume 2 of On the Wing...the book is now in print. It includes articles from RCSD 1993 through 1997 is entertaining is is one of a very few sources.
- 98 Feb,
Little Big Winch,
A new sport which is back on the market which is small and lightweight with line, turn around, parachute, steaks, foot pedal switch. for $445.
- 98 Feb,
Gray, Jim,
Volume 2 of On the Wing...the book is now in print. It includes articles from RCSD 1993 through 1997 is entertaining is one of a very few sources.
- 98 Feb,
Little Big Winch,
A new sport which is back on the market which is small and lightweight with line, turn around, parachute, steaks, foot pedal switch. for $445.
- 98 Feb,
Cusack, Terry, et al.,
24th Annual Tangarine Soaring Championship is reviewed. Event included a 2M and two Unlimited days of compeititon with three skill classes.
- 98 Feb,
Cusack, Terry, et al.,
24th Annual Tangerine Soaring Championship is reviewed. Event included a 2M and two Unlimited days of competition with three skill classes.
- 98 Feb,
Savoie, Steve,
Interview with George Sparr of Aerospace Composite Products deals with a number of topics on handling and use of composite materials. Good Reference!
- 98 Feb,
Savoie, Steve,
[cont.] Topics include products made by ACP. Pre-Impregnated systems Extended cure products, Kevlar, Carbon Fiber, S-Glass, Spectra, Spyder Foam
- 98 Feb,
Savoie, Steve,
Interview with George Sparr of Aerospace Composite Products deals with a number of topics on handling and use of composite materials. Good Reference!
- 98 Feb,
Savoie, Steve,
[cont.] Topics include products made by ACP. Pre-Impregnated systems Extended cure products, Kevlar, Carbon Fiber, S-Glass, Spectra, Spyder Foam
- 98 Feb,
Swingle, William G,
Bill has some fun with a TG-3 Foamy and sites advantages for flying these models. Can't hurt it, and it can't hurt you.
- 98 Feb,
Swingle II, William G.,
Bill has some fun with a TG-3 Foamy and sites advantages for flying these models. Can't hurt it, and it can't hurt you.
- 98 Feb,
Simons, Martin,
Wind Tunnel Tests of Wing Profiles Pt. IX Turbulators prevent separation bubbles but cause higher drag. Underside turbulators used on full size
- 98 Feb,
Simons, Martin,
[cont.] gliders at 70% of chord. Accuracy in airfoils a problem for a number of reasons (bug strikes, paint, surface waves) Need more research e.g. UIUC.
- 98 Feb,
Simons, Martin,
Wind Tunnel Tests of Wing Profiles Pt. IX Turbulators prevent separation bubbles but cause higher drag. Underside turbulators used on full size
- 98 Feb,
Simons, Martin,
[cont.] gliders at 70% of chord. Accuracy in airfoils a problem for a number of reasons (bug strikes, paint, surface waves) Need more research e.g. UIUC.
- 98 Feb,
Siegel, Rudy,
Review of 5th Annual Sailaire One Design Contest held Sept 13 and 14 1997 by Cincinnati Soaring Society. This clasic event will repeat in 1998
- 98 Feb,
Siegel, Rudy,
Review of 5th Annual Sailaire One Design Contest held Sept 13 and 14 1997 by Cincinnati Soaring Society. This classic event will repeat in 1998
- 98 Feb,
Fogel, Gary,
Scale Cross Country Challenge was held in the desert north of Los Angeles A triangle with 0.5 mi legs was used. Scale models performed like SB-XC.
- 98 Feb,
Fogel, Gary,
Scale Cross Country Challenge was held in the desert north of Los Angeles A triangle with 0.5 mi legs was used. Scale models performed like SB-XC.
- 98 Feb,
Olsen, Bernie,
Competition is becoming less attractive because it focuses on a degree of landing skill which has no value. RCSD focus should be on what built hobby.
- 98 Feb,
Derstine, John,
A one hour video of the Elmira 97 event is available for $24.95 + $3 S&H 717-596-4392 and http://www.Geocites.com
- 98 Feb,
Hough, Chuck,
A sip launched foam delta wing glider, Pibros, was flown in a park with lots of fun. Craft is inexpensive and Chuck is testing different materials.
- 98 Feb,
Olsen, Bernie,
Competition is becoming less attractive because it focuses on a degree of landing skill which has no value. RCSD focus should be on what built hobby.
- 98 Feb,
Hough, Chuck,
A sip launched foam delta wing glider, Pibros, was flown in a park with lots of fun. Craft is inexpensive and Chuck is testing different materials.
- 98 Feb,
Derstine, John,
A one hour vido of the Elmira 97 event is available for $24.95 + $3 S&H 717-596-4392 and http://www.Geocites.com
- 98 Feb,
Axel's Pilots,
A beautiful scale pilots are available in old and modern sailplane pilots. Available from Sailplanes Unlimited.
- 98 Feb,
Sailplanes Unlimited,
Platus Porter PC-6 Turbo which is the largest plane used to launch full size sport planes. Model is 1/4 scale.
- 98 Feb,
Sailplanes Unlimited,
Platus Porter PC-6 Turbo which is the largest plane used to launch full size sport planes. Model is 1/4 scale.
- 98 Feb,
Axel's Pilots,
A beautiful scale pilots are available in old and modern sailplane pilots. Available from Sailplanes Unlimited.
- 98 Mar,
Slates, Jerry,
Pt. 3 of series of building from plans deals with the installation of spoilers with positive servo action. Changes made to Paragon plans include
- 98 Mar,
Slates, Jerry,
[cont.] add CF to bottom of spars, sheeted leading edge, add hard points for wing screws, replaced plywood joiners with CF.
- 98 Mar,
Wilson, Oliver,
Nostalgia Event models originally lacked sufficient strength in spar. Tapering spars can give 3x strength with same weight as original.
- 98 Mar,
Kuhlman, B^2,
Michael St. John's Tarantula wing design is discussed. Design features include air brakes, vertical fins, swept forward tips for CG consideration.
- 98 Mar,
Garwood, Dave,
Chip Vignoli's Ariel HLG kit is a well designed inexpensive model which builds quick and has excellent performance. Low part count.
- 98 Mar,
Garwood, Dave,
Can be built in 3 evenings. Pink foam wings. Dave built a conventional tail vs the V tail in plans. High launches are acheieved.
- 98 Mar,
Schifano, Donna,
Airborne to be Wild video by Studio 'B' Design and Production is a 55 min video narrated by Lex Liberato showing PSS and Scale slope soaring.
- 98 Mar,
Schifano, Donna,
[cont.] Safety is in stressed as well as great soaring shots of SR-7 F4 Phantom, a real falcon. $25 + S&H 808-968-8721
- 98 Mar,
Lehman, Robin,
Aerobatic routines can be created by developing a few skills and putting them together. A list of tasks is given to develop your skills.
- 98 Mar,
Lehman, Robin,
[cont.] Maneuver descriptions: Stall Turn, Reverse Cuban 8, Reverse 1/2 Cuban 8 (Split S)
- 98 Mar,
Swingle II, William G.,
EPP Foamy planes have made slope combat a more practical mode of enjoying soaring. Repairs are more practical than ever before.
- 98 Mar,
Sanders, David,
Mattes Models and Garrison Aerodrome have brought electric foamy models to market. Speed 400 Push-E Cat 8 minute flights are common w/ 600 ma bat.
- 98 Mar,
Sanders, David,
The choice of wood tail surfaces or Coroplast is discussed. Coroplast is probably best for combat and new beginners.
- 98 Mar,
Sanders, David,
'Airborne to be Wild' video is reviewed. shot in Hawaii and Australia. Good tape to have in your library. EPP Combat and more.
- 98 Mar,
Sanders, David,
'Dynamic Soaring by John Roe' shows Joe Wurts doing amazing things on Parker Mtn. in CA. plus HLG flying at IHLGF in Poway CA.
- 98 Mar,
Register, David,
Three new TD airfoils are made available in Summary of Low-Speed Airfoil Data - Volume 3 which is available from H.Stokely in Virginia Beach VA.
- 98 Mar,
Register, David,
[cont.] The airfoils are mods. of SD7037. The book provides a good source of information for the technical modeler. Michael Selig at UIUC is source
- 98 Mar,
Wilson, Oliver,
Making lost foam fuselages is described with considerable detail on how. Small diameter fuselages are stronger than large ones of same weight.
- 98 Mar,
Carmichael, Asher,
Pensacola '97 scale fly in is shown with beautiful photos. There were long flights. 20 pilots attended.
- 98 Mar,
ICARE Sailplanes,
Carbon D-Light is a high performance sailplane with a 2 oz FG fuselage Molded carbon D-box of S4083. 3.9 oz/ft^2
- 98 Apr,
McLeod, Rod,
Cover photo of Grunau 2B is shown from Jim Ealy plan 15 years ago.
- 98 Apr,
Slates, Judy and Jerry,
Encouragement is given to readers to send articles and photos to RCSD to help broaden and enrich the content of RCSD.
- 98 Apr,
Slates, Jerry,
Spring cleaning and replacement of stop watch batteries. Modellbau Markt 98 is a catalog of 116 pages of models at Nurenberger Toy Fair.
- 98 Apr,
Derstine, John,
Aerotow '98 is planned for Elmira. Invetations are offered to vendors to advertise. The list of foreign participants is growing.
- 98 Apr,
Marshall, Scott,
The InterMountain Silent Flyers will will host Soar Utah '98 on Sept 5-7 Labaor Day weekend. Thermal and slope soaring sites.
- 98 Apr,
Kuhlman, B^2,
Hidemi Akaba aka Aka-bee is an engineer working on RPVs in the Seattle area His flying wing design is advanced with respect to material usage.
- 98 Apr,
Lehman, Robin,
Spacewalker makes a good tow plane but like other tow planes the CG can shift when the model is towing another model. Advice is given.
- 98 Apr,
Lehman, Robin,
The spin maneuver is discussed. It is good for when model is moving slow. Spin can save your plane from a high altitude situation.
- 98 Apr,
Stahl, Gordy,
Gordy visits Sacramento Valley S.S. and is impressed with the skill of this group of flyers. Volz servos provide a new standard of performance for
- 98 Apr,
Stahl, Gordy,
[cont.] strength, speed & longevity (5 yr. warranty). There are models for wings and a dual servo.
- 98 Apr,
Wilson, Oliver,
A straight forward approach to designing the construction of an optimum composite wing designed for launch stresses and high speed lift force.
- 98 Apr,
Simons, Martin,
UIUC tests have improved pitching moment data. The aerodynamic center is in theory at 25% but in practice +/- 2% greater; with separation.
- 98 Apr,
Clark, Paul,
The Mosquito class declared earlier is expanding with manufacturers rushing to get models on the market. Several models are shown and discussed.
- 98 Apr,
Swingle II, William G.,
Bill participates in a group construction of Ruffneck Cutlass foamy models The planes flew great even of high-starts. Mods and group interactions.
- 98 Apr,
Savoie, Steve,
White Planes, NY, WRAM Show Review. George Sparr (Aerospace Composites) gave demonstrations of composite product use. Airtronics has a new
- 98 Apr,
Savoie, Steve,
[cont.] universal servo connector. Adapters will be available to use the new servos on older Airtronics connectors. Ed Slegers had his new
- 98 Apr,
Savoie, Steve,
[cont.] There were replacement Monarch fuselages. Hobby Lobby gave help to those wanting information on electric flight
- 98 Apr,
Schifano, Donna,
Soldering tips from an expert. Details on what kind of iron, tinning your iron, applying heat, applying solder, cooling without blowing or movement.
- 98 Apr,
Blain, Jacques,
Second Coupe du Quebec slope soaring 3 day event was held and reviewed. Location described as being ideal for parking, landing & low turbulence.
- 98 May,
Lehman, Robin,
Cover shows Steve Dentz Ripo Duo Discus scale model. Model weighs 38 lbs is a 6.75 meter span.
- 98 May,
Slates, Jerry,
Details on how to cover wings with heat shrinkable coverings. Use the recommended temperature ranges and methods. Coverite thermometer used.
- 98 May,
Arrien, Angeles; Olsen, Milton,,
Lessons from Geese is reprinted from earlier article and work which points out lessons to be learned from geese. Good reading!
- 98 May,
Kuhlman, B^2,
Comments on Hans-Jurgen Unverferth CO8. Wing uses RS004A airfoil the coordinates of which are given. Notes on EH Airfoils and PROFILEplus
- 98 May,
Simons, Martin,
Scale Pterosaurs built by Prof. Adam Lockett is shown and discussed. Special control requirements discussed. Kit is available from England.
- 98 May,
Register, David,
BOB is a 60" competition ready blue foam HLG. The model is light and has reinforcement at key places. Flight wt is 9.5 to 10.5 oz.
- 98 May,
Sanders, David,
Taking models to flying events often means that the parts have to come apart. The design of joiners for custom models is discussed.
- 98 May,
Anderson, Chuck,
A review of thermal soaring up to 1977. Launch methods, winch & model development LSF, SOAR, ECSS, SAC, NSS. Good article!
- 98 May,
Lehman, Robin,
Interest and participation in scale events is growing and is very popular in Europe. Germans use aerotow in competition. Scale in XC events.
- 98 May,
Lehman, Robin,
[cont.] Slope racing also is an opportunity for scale ships. The tail slide is described as an aerobatic maneuver.
- 98 May,
Nankivil, Mark,
Great Hobby Shop is Hobbies 'N Stuff in Albuquerque. Lavoe Varmit with Speed 400 and Astro Flight Mini-Challenger are briefly discussed.
- 98 May,
Register, David,
Comparisons of various mathematical indices for stability. Lifting stabs. canards, center of pressure, pitching moment, RVC, TVC, static margin, ISF
- 98 May,
Register, David,
[cont.] Various popular models are compared. Hi Johnson design philosophy. Sailplane software.
- 98 May,
Buzz Waltz R/C,
Can-Winch is a 1/4" dia rubber based highstart which comes in a pail vs a real. Cost is $45 760-327-1775
- 98 May,
Durable Aircraft Models,
EPP P-51 power slope soaring PSS models are 65.5" wing span, 70-74 oz will fly in 10 mph wind. 714-368-9222
- 98 May,
Hanley Innovations,
VisualFoil and WingSections programs allow one to evaluate airfoils. Access to thousands of airfoil performance polars. Airfoil plotting
- 98 May,
Hanley Innovations,
[cont.] Files can be exported in DXF format for printing and drafting problems.
- 98 Jun,
Sanders, David and Chovan, Joseph,
Cover photo of two WWW II foamy fighters doing combat on the slope.
- 98 Jun,
Allison, Rick,
Canopy lost on slope above Pudget Sound was returned from Japan when it was found in the stomach of a tuna.
- 98 Jun,
Slates, Jerry,
A pull-pull elevator system was installed on a ship using brass pulleys from a model ship supply. Kevlar string weighs much less than pushrods.
- 98 Jun,
Kuhlman, B^2,
CO8 Pt 2 deal with a comparison between the CO7 and CO8. higher sweep on CO8 was needed because of the negative pitching moment. CO7 uses lack
- 98 Jun,
Kuhlman, B^2,
[cont.] CO8 is constant taper, CO7 not. CO7 has anhedral to compensate for sweep and effective dihedral it creates. CO8 L/D ratio is 22.5
- 98 Jun,
Slates, Jerry,
98 Midwest Slope Challenge at Wilson Reservoir in KS. Jerry takes in foamy combat. Dave Register flew out from CA and ran contest.
- 98 Jun,
Slates, Jerry,
[cont.] The race day had no wind in AM. HLG and electric models brought out. 60" class, Unlimited, Samuri class (single design).
- 98 Jun,
Schifano, Donn,
'98 Los Banos Scale Sailplane Soar-In is described in considerable detail. Event was restricted to scale sailplanes and attendance was down somewhat.
- 98 Jun,
Schifano, Donn,
[cont.] Lots of photos and description of participants, their models the sponsors.
- 98 Jun,
Register, David,
An example is given of actually designing a model which will have stability in pitch, roll and yaw. Criteria given for designing the model.
- 98 Jun,
Register, David,
[cont.] V-tail theory is applied to the theories for cruciform tails. Differences between V and + are explained and how they apply in practice.
- 98 Jun,
Lehman, Robin,
The first aerobatic scale glider competition will be in Fayetteville, NC Oct 2-4. Maneuvers for Sportsman and Advanced appear in articles.
- 98 Jun,
Swingle II, William G,
A different way to enjoy combat flying is to get into the middle of a combat situation but avoid the contact. Compared to dancing in the sky.
- 98 Jun,
Blum, Jim,
L-Spatz 55 was used by soaring clubs during 1955-62. 300 were built. This is a 1/4 scale version built from full size plans and parts lists. The
- 98 Jun,
Blum, Jim,
[cont.] fuselage is made of plywood formers and longerons. Wing construction is typical spruce caps and D section. It is a floater at 8 lb
- 98 Jun,
Dave's Aircraft,
Dragonette is a foamie, micro-hand-launch glider with 2 channel control. Price is only $40. 949-248-2773
- 98 Jun,
Horizon Hobby,
CM's 3 in 1 simulator uses your transmitter and software to emulate flight of a glider with 4 servos with mixing.
- 98 Jun,
PlaneTalk,
This is an airborne video camera with telemetry to display or record the image on the ground. Price is $1795. 714-650-5004
- 98 Jul,
Garwood, David,
Photo cover shows Chuck Anderson launching his Sailaire at 1996 NATS in Muncie, IN
- 98 Jul,
Slates, Judy and Jerry,
El Nino takes its wrath on South making life for many. Contestants at events are advised to take plenty of water, stay in shade, watch friends.
- 98 Jul,
Slates, Jerry,
Zurich R/C Sunglasses fit over regular sunglasses and offer more protection. 98-99 Plans Catalog from Traplet Publns. (UK) is only $8. Plenty of plans.
- 98 Jul,
Unknown,
A pattern of stripes on bottom of wing can be used to estimate altitude. Stripes range in width from 6 to 1/2 inch.
- 98 Jul,
Kuhlman, B^2,
Computer stabilized flying wing using a Motorola 6800 was tested and demonstrated that a 6.5% static instability flys. Steve Morris designer
- 98 Jul,
Swingle II, William G.,
Story about seeing buzzards thermalling during the morning hours and mocking him. He later concedes that all lift should be enjoyed.
- 98 Jul,
Swinehart, Ron,
RnR's Synergy 914 (91 w/ RG-14 airfoil) is lighter than previous versions is more stable and lands slower while maintaining flight performance.
- 98 Jul,
Register, David,
A continuation of design considerations for HLGs. A study of Aspect Ratio on a custom HLG is done for an example. Airfoil selection shown.
- 98 Jul,
Harvey, Robert,
The first project was to launch a Pussycat on top of a Robin. The next project was to launch a Bobcat. The changes made are listed. A good
- 98 Jul,
Harvey, Robert,
[cont.] description is given of what was done, and the problems experience. A Bird-of-Time was also aerotowed.
- 98 Jul,
Leyman, Robin,
4th annual gliderfest in Fayetteville, NC. is covered with photos and description of the activity. Unique tug by Landon Grindstaff.
- 98 Jul,
Leyman, Robin,
[cont.] Scale sailplanes listed and the tow-planes were also listed. Aerobatic maneuvers discussed: Chandelle and Procedure Turn.
- 98 Jul,
Carmichael, Asher,
Elmira Aerotow '98 is covered. Weather was a factor in this years event. Friday catered evening picnic and fun. Beautiful description of large event.
- 98 Jul,
Swingle II, William G.,
Flying wings is designed & cut from foam (EPP LE and White foam behind). Tape spar and covering is added. Discussion of good results.
- 98 Aug,
Slates, Jerry,
Jerry Talks about making a built up stab and covering it with silk. Weight savings at tail is important. Steps in making a silk covered stab given.
- 98 Aug,
Murray, Lee,
Unusual weather in Wisconsin in 1998 gives rise to exceptional lift. An explanation to an usual day is sought. Humidity, Temp. variation factors.
- 98 Aug,
Savoie, Steve,
Carbon D-Light from ICARE 60 70" span models comes with finished FG fuse, blue canopy w/ installed pushrods for V-tial and wing hold downs.
- 98 Aug,
Savoie, Steve,
[cont.] description of construction. Built up wing. Hot glue used to mount servos & Rohacell to fues. Completed model flies and launches well.
- 98 Aug,
Register, David,
NATS Unlimited class was dominated by 3M molded ships. 2M ships were at times longer than 2M required some on field trim, cut, and sand.
- 98 Aug,
Register, David,
[cont.] HLG class had the most variety of designs and is the most dynamic. The 9 oz. Logic won event with long boom an small tail surfaces.
- 98 Aug,
Register, David,
SD7080, S6062, S6063, MA409 Compared test in death air show good agreement with theory. V-tail design optimized with TVC = 0.40, RVC = 0.038
- 98 Aug,
Nagel, Tom,
Tom's experience w/ Sleeping Bear Dunes will leave you rolling in laughter. Good directions to using the dunes, getting permits, and keeping straight.
- 98 Aug,
Nankivil, Mark,
Multi-engine models are more secure with electric power. Lincoln E-fly Scale E-fighters available from Ryan Aircraft and Tim McDonough.
- 98 Aug,
Kuhlman, B^2,
Greg Doe's 1/2A delta (Nov 78 MAN) was modified w/ speed 400 motor. The small model proved to be difficult to launch. Zip start used to launch.
- 98 Aug,
Lehman, Robin,
The hesitation roll is described and readers are urged to use their transmitters to teach themselves the moves which are needed.
- 98 Aug,
Murray, Lee,
A new altitude record for a solar powered electric model is achieved by Dave Beck on Aug 15th. The altitude was about 4,500.
- 98 Aug,
Stahl, Gordy,
Gordy gets interview with Don Stackhouse and Joe Hahn. History of their company DJ-Aerotech, their products and design strategies. High Tech!
- 98 Aug,
Enhuei, Joe,
Joe tells of his excellent experience soaring in a Grob 103 out of Crystal Soaring, east of LA. Flying over San Gabriel Mountains.
- 98 Aug,
Buzz Waltz R/C Designs,
P.S. Flyer is a 28" cabin model with 660 in^2 wing. It is an inexpensive good flyer.
- 98 Sep,
Garwood, Dave,
Cover Photo of Steve Savoie launching 90" Viking Models Salto into the lift at Petersburg Pass, NY
- 98 Sep,
Slates, Jerry,
Pull-pull elevator control system feedback. Fabric coverings can add graphics. Instructions for finishing models with printed patterns. Pilatus B-4 Project.
- 98 Sep,
Kuhlman, B^2,
AVRO CF-105 Arrow was developed in Canada and represented a great advance in technology. The project is discussed as well as impact.
- 98 Sep,
CR High Performance Products,
One design Slope racer for $80. Fiberglass Fuselage, presheeted wings.
- 98 Sep,
Sanders, David,
Midwest Slope Challenge at Lake Wilson in Kansas was sponsored by the Lincoln Area Soaring Society. Comments about Ed Harris' Foamies and
- 98 Sep,
Sanders, David,
[cont.] DAW's Ka6. Covering with ThermalSpan
- 98 Sep,
Aerospace Composite Products,
EPP foam sheets are available for scratch builders.
- 98 Sep,
Sanders, David,
Thermal Span provides a smooth durable finish for EPP models. It goes around curves. Adhesive is 3M77. Water based acrylic is applied for gloss.
- 98 Sep,
Nankivil, Mark,
Very low cost electric models were used for a 1 design contest at Fort Wayne, IN last February. Kit is available www.rc-aero.com
- 98 Sep,
Nankivil, Mark,
Land of Lincoln E-Fly Comments and photos.
- 98 Sep,
Swingle II, William G.,
Choosing a color scheme can keep your model from becoming indistinguishable from others. Having different colors from each wing and adding contrast
- 98 Sep,
Swingle II, William G.,
[cont.] can really help older pilots. Bill chooses contrasting fluorescent colors on fuselage and wings.
- 98 Sep,
Nagel, Tom & Mulder, Bill,
Bill tells of his experience flying on the trail to Ellis Peak near Lake Tahoe, CA. The point looks over a vast area. Access was difficult w/
- 98 Sep,
Nagel, Tom & Mulder, Bill,
[cont.] slow in July but had a soft green landing area. Digital camera was on-board the Python 60 foamy. Model transports easily on back pack.
- 98 Sep,
Buzz Waltz R/C Designs,
Maria V-tail HLG costs only $37. Multitask sailplane at 58"
- 98 Sep,
Lehman, Robin,
Benefits of aerobatics, competition, pursuit of perfection. Fayetteville competition sideslip maneuver can help when landing and too high.
- 98 Sep,
Register, David,
Building instructions for a pod & Boom 2 channel model, Tahlequah. A plan is provided and e-mail address for consulting the designer/columnist.
- 98 Sep,
Mankivil, Mark,
The Mississippi Valley Soaring Soc. annual Gateway Soaring Open is covered w/ standings & photos. 31 contestants from 8 states participated.
- 98 Sep,
Sailplanes Unlimited,
ASW-27 and 24 1:3.75 scale HQ 3/12 with white glass fuse w/ retractable wheel. Model is very prefabricated.
- 98 Sep,
Sailplanes Unlimited,
Ventus 2C 1:3 scale HQ 3/15, 12, 10, 8 wing is suitable for slope or TS. Glass gel coat fuselage needs no finishing.
- 98 Oct,
Garwood, Dave,
Dave Reese flies a CR High Performance Contender at Sunset Beach State Park near Watsonville.
- 98 Oct,
Slates, Judy & Jerry,
RCSD Web page now contains coverage of contests and photographs which makes RCSD an optimized of electronic and printed communications.
- 98 Oct,
Slates, Jerry,
Jerry chooses a 1/5 scale Pilatus B-4 to build this winter. A list of materials is made and the first step will be to build a straight fuselage.
- 98 Oct,
Slates, Judy and Jerry,
The 1999 California triad contests are listed: SW Classic, Pasadena Rosebowl and Visalia Fall-Fest. The SW Clasic will be in Queen Creek, AZ
- 98 Oct,
Swingle II, William G.,
Mongo by BASH Enterprises is a very large foam flying wing. It has an 8 ft span and difficult to transport. Flight performance if very stable.
- 98 Oct,
Carris, Mike,
The Swallow is a double taper swept flying wing with 120" span. There is a 2" x 24" fuselage. EH2.0/10 airfoil. Problems in launching being studied.
- 98 Oct,
Register, David,
Drive Systems for ailerons and flaps include DAD, RADS and RFDS allow low slop control. See Harley Michaelis page www.rc-areo.com
- 98 Oct,
Register, David,
[cont.] elements = coupler to the output gear, a pocket on the surface & rotating shaft. 5-10% of drag can be caused by external control hardware.
- 98 Oct,
Register, David,
[cont.] Rotation for 90 deg flap requires a 90 deg bend in wire and servo mounted at an 45 deg angle. Specific instructions for successful appln.
- 98 Oct,
Stahl, Gordy,
Little Big Winch is a sport winch with improvements other the former sport winch which we all put off buying but needed. Comes complete!
- 98 Oct,
Garwood, Dave,
[cont.] You can't fly out of lift in control. No possibility of recovering model if you can't land on top. Bring a model you can fly well.
- 98 Oct,
Nagel, Tom; Garwood, Dave,
Petersburg Pass Slope Site is discussed. Location if close to MA, VT & NY common borders. On Rt. 2 between Petersburg, NY and Williamstown, MA.
- 98 Oct,
Garwood, Dave; Sanders, Dave,
Humor is used to describe 7 stages of becoming addicted to slope soaring. Advances in models, flying conditions, commitments are sited.
- 98 Oct,
Savoie, Steve,
Steve tells of removing covering from a bagged wing which was covered with Ultracote Plus. Residual adhesive removed with dope thinner and Scotchbrite
- 98 Oct,
Savoie, Steve,
Tip stalling on a scale model was fixed by warping the wing under a 150 W halogen shop light. Incidence meter used to set the proper washout.
- 98 Oct,
Lehman, Robin,
Slope soaring offers more opportunities to do aerobatics than having a power plane. The Chandelle maneuver is revisited.
- 98 Oct,
Cottrill, Gordon,
Gordon talks about the joys of flying his Paragon and also enjoying long thermal flights at his productive field at St. Mary's College in MD.
- 98 Nov,
Garwood, Dave,
Cover page shows DAW FoaMe-109 and Kawafoamie-61 dueling in combat at Laguna Niguel CA.
- 98 Nov,
Slates, Jerry,
Construction of Pilatus B-4 continues with the fuselage. Building board, stand-offs for formers, stringers, datum line are discussed.
- 98 Nov,
Savoie, Steve,
Keep track of age of batteries. Don't rely completely on cycling. Large fuselages give opportunity for battery to shift. Use ESVs for testing.
- 98 Nov,
Kuhlman, B^2,
Horton H XIII flying wing has high sweep rate gave the craft poor control at high speed. Other properties are discussed including modeling hints.
- 98 Nov,
Mallett, Fred,
Nice story about getting a bystander involved in slope soaring. Slower aerobatics impressed the lady who eventually asked how to get one.
- 98 Nov,
Nagel, Tom,
Christmas Gift Ideas under $10: Zap, squeeze bulb applicators, X-acto blades leading edge dazzle tape, Trio sun screen, bug repellent, skin lotion, maps
- 98 Nov,
Nagel, Tom,
[cont] Gifts over 10, less than 100: Zagie THL, altimeter watch, Hitec 3G 3-channel radio, Lava lamp, Ultimate Hat, field charger, sailplane ride
- 98 Nov,
Savoie, Steve,
Favorite gift ideas: Razor Plane, Plans for models, Zagi Combat Model
- 98 Nov,
Nankivil, Mark,
Under $10 - Quick Grip Micro Bar Clamp. Over $10: See listed web pages for merchandise.
- 98 Nov,
Register, David,
Christmas Gift List: Scroll sander, Items from Micro-Mark catalog including square, table saw, jeweler's drill price & vice, router, etc.
- 98 Nov,
Sanders, David,
Christmas Gifts under $10: Hex ball drivers. Hinge Tape Over $100 - HS-80 servos. A fresh combat plane.
- 98 Nov,
Slates, Jerry,
Christmas Gift ideas: CA glue, Badger air burshes, X-Acto tool set, Weller cordless soldering tool, Hangar 9 transmitter case.
- 98 Nov,
Stahl, Gordy, Chovan, Joe,
Gift ideas include Accusplit Stopwatch, Socket head cap screws Kimbrough servo savers, slope scale warbird.
- 98 Nov,
Garwood, Dave,
Slope Scale Gifts: Kimbrough Servo-Savers, slope scale warbirds, dream slope soaring trip.
- 98 Nov,
Enhuei, Joe,
Gropner Cumulus 1.87 m from Hobby Lobby is an ARF design with FG fuselage and built up wings and V-tail. It has an option for HLG or Electric.
- 98 Nov,
Enhuei, Joe,
[cont.] Joe obtained this model to fly with others in his club who have converted to electric flight. Cumulus penetrates but senses thermals.
- 98 Nov,
Lehman, Robin,
German modelers seem to involve their families more than in the US. Young fliers were more common.
- 98 Nov,
Lehman, Robin,
A 1/3 scale clipped wing Cub was evaluated. Available from Nick Zirolli, a Byron Distributor. Power is from a recommended Brison 4.2, G62 or equiv.
- 98 Nov,
Lehman, Robin,
[cont] Comments on working with young people. It should be fun, don't try to hold their attention, let them help you, give them little airplanes
- 98 Nov,
Lehman, Robin,
[cont] Let them build simple parts, show them some aerobatics, give them a car to learn to steer, use simulators, use trainer chords.
- 98 Nov,
Stahl, Gordy,
Blinki battery and airborne system monitor from RC-Direct provides info. which can keep your model from crashing. $39 619-277-4531 www.RC-DIRECT.com
- 98 Nov,
Nagel, Tom; Vigour, John,
John tells us where the good places to soar are on the Outer Banks of North Carolina. Dunes from 9 to 30 feet are flyable. Sand can be a problem.
- 98 Nov,
Register, David,
Ten sources of foam cores are listed along with features available and costs involved. The phone numbers and URL addresses are provided.
- 98 Nov,
Derstine, John,
Elmira 99 is scheduled for June 13, 99. This will be the third annual event at Harris Hill Soaring Corp. and National Soaring Museum.
- 98 Nov,
Airlife Publishing Ltd.,
Sailplanes by Schweizer tells the story of 22 Schweizer sailplane types. 3 view drawings by Martin Simons. price is 25 English Pounds.
- 98 Nov,
Horizon Hobby Dist.,
JR 3121 mini servo is a replacement for 3021 servo. It is a precise servo for many applications. List price = $89.95
- 98 Dec,
Garwood, Dave,
Bob Powers and Lou Garwood fly a pair of Culpeper Models Chuperosas in light lift over the Atlantic Ocean at Cape Cod, MA on Cover of RCSD
- 98 Dec,
Slates, Judy and Jerry,
Additions to RCSD web site includes article on scale soaring. Links to Pages includes PASS, SLNT, RMSA, CASL, TULSOPAR, and LASS.
- 98 Dec,
Slates, Jerry,
Pilatus B-4, Part III deals with installing the fin, rudder push-pull cable elevator belcrank, finally fuselage planking.
- 98 Dec,
Kuhlman, B^2,
Tier III Minus Dark Star built by Skunkworks is an unmanned aerial reconnaissance aircraft with a programmed flight path. History of project
- 98 Dec,
Stahl, Gordy,
A new stop watch, the Accusplit Alliance 620 is described. Cost is <$30 It has multiple splits and beeps to que you on remaining time.
- 98 Dec,
Sanders, David,
EPP model development where it came from and where it should go based on DAW customer feedback. Mongo models and mit by BASH Enterprises
- 98 Dec,
Sanders, David,
[cont.] California Combat Video is available from Doug Hetzler has video from a camera on a foamy combat ship.
- 98 Dec,
Nagel, Tom H.,
Three slope soaring locations are identified off I-70 in Ohio near Springfield, Buena Vista, and Plainfield.
- 98 Dec,
Register, David,
A review of options for hot wire cutting foam wings. Commercial and Semicommercial equipment, effect of voltage, cutting wire. Only Commercial
- 98 Dec,
Register, David,
[cont.] cutter is the Feather Cut. Compu-Foil plotting program creates templates for the FC. Del Bergman has plans for one you can build.
- 98 Dec,
Register, David,
[cont.] Wire sources include Bass Pro Shops 1-800-463-3746 and Power supply components are discussed as well as power demands for cutting.
- 98 Dec,
Lehman, Robin,
Comments on German scale contests indicate that they are more of a family & socialization affair. Teamwork and sportsmanship abound. Tow planes have
- 98 Dec,
Lehman, Robin,
[cont.] sound level limits of only 82 dB. As a result effective mufflers are available. Seglerschlepp contest format is discussed and recommended.
- 98 Dec,
Mallett, Fred,
Fred tells of his good experience flying his Salto for several years with a crow pilot he called Joe Crow. Good Reading!
- 98 Dec,
Savoie, Steve,
Steve and Dave Garwood take on a project to build a U-2 power slope soarer and to write about it. Plans for the project were discussed.
- 98 Dec,
Radio Carbon Art,
Endless Lift II is released to the public. Includes contest sequences, Hand launch events, dynamic soaring, scale events. 541-752-9661
- 99 Jan,
Slates, Jerry,
1/5th scale Pilatus B-4 before covering is on the cover of RCSD. The model has all wood fuselage. Construction photo's and notes are on Web page
- 99 Jan,
Slates, Jerry,
Pt.5 of series is about mounting the wings to the fuselage. Clamps used to set carrier tube in fuse to set alignment. Skin planking is placed. Pilatus
- 99 Jan,
Kuhlman, B^2,
Paul MacCready of AeroVironment is developing proof of concept high alt. solar-electric powered crafts. Pathfinder, Pathfinder+, Centurion
- 99 Jan,
Kuhlman, B^2,
[cont.] NASA's ERAST is also discussed. These crafts have set altitude records of 67,350, 80,285 with potential for much higher.
- 99 Jan,
Register, David,
The strength requirements of a foam cutting bow is described. Stress-strain curves with yield are explained. Wire sags behind end during cut.
- 99 Jan,
Simons, Martin; Murray, Lee,
Martin leads off a new column The Natural Side of Thermal Soaring with a discussion of lapse rates, wet vs dry land, thermal trigger w/ an example.
- 99 Jan,
Stahl, Gordy,
A round Optima lead acid battery is discussed. Features: tough, won't spill better suited to high loads & deep cycles than Deep Cycle & Starter bat.
- 99 Jan,
Lehman, Robin,
Good tips on what makes a good landing - a good pattern, planning ahead altitude management, proper alignment with runway, practice.
- 99 Jan,
Savoie, Steve,
Steve Jerry S. & Dave Garwood plan the construction of their U2 scale model. use of 1/100 scale plans were transferred to a CAD file and scaled to 1/12"
- 99 Jan,
Savoie, Steve,
[cont.] Rohacell was used on the fuselage plug which was cut out on a band saw. The HQ 10/2 used for the root and HQ12/2.5 at tip with 2% washout.
- 99 Jan,
Nagel, Tom; Grammer, Les,
Learning to fly in adverse conditions does a lot for confidence and skill. Les tells of having to fly a contest on plowed and leveled dirt fields.
- 99 Feb,
Slates, Jerry,
Planking w/ balsa strips complete sanding blocks and tools used to refine fuselage shape. Careful comparison to final shape needed. Use fillers
- 99 Feb,
Slates, Jerry,
[cont.] before final sanding. Masking tape protects areas which shouldn't be sanded.
- 99 Feb,
Murray, Lee,
Index to RCSD have been posted to the URLs listed for RCSD and PC-Soar. ASCII files are zipped into packets of two or more years.
- 99 Feb,
Kuhlman, B^2,
Adding a rectangular center section moves the neutral point forward. Calculations given making changes. Approach is flawed for increasing size.
- 99 Feb,
Register, David,
Discussion of the requirements for 1 or 2 piece hot wire templates. Edge of templates must be very smooth. Materials compared.
- 99 Feb,
Savoie, Steve,
Bad landing with foamy can strip servos with nylon gears. Servo savers are easily made. Instructions given.
- 99 Feb,
Savoie, Steve,
The U2 project is updated. Instructions on how to make a foam plug. Don't use water borne adhesives...they won't dry.
- 99 Feb,
Nankivil, Mark,
Vortex SP electric sport plane by Cavazos Sailplane Design reviewed. Model comes from pylon race heritage. 46" span 273 sq.in. foam wing, FG fuse.
- 99 Feb,
Nagel, Tom & Davis, Jim,
Description of flying at Morningside Flight Park in Ballteboro, NH. Flying off a hang-glider park with RC equipment. Camping available.
- 99 Feb,
Sanders, David,
A new wrinkle in foamy slope racing may be emerging at Poway, CA where a pylon race was run using these fun models.
- 99 Feb,
Sanders, David,
Patton Aircraft produces a number of large foamy scale models including A5M5, Me262, P-63 King Cobra. These are 414 sq in, $60-80 also Bf109g
- 99 Feb,
Sanders, David,
QE Sealing iron works on 12V DC for field repairs. From Bass Lake Aeronautics $22.50 + S&H
- 99 Feb,
Lehman, Robin,
Review of '98 Akro-Cup in Germany. Large scale models fly better than small ones. Aerobatics done on tow with tug and sailplane doing tricks.
- 99 Feb,
Lehman, Robin,
[cont.] Description of scoring. Weather was a factor but didn't stop contest. Excellent sportsmanship, food and fellowship.
- 99 Feb,
Derstine, John,
Ultimate Scale Soaring is a new video covering several events including Elmira 98, Akro Cup, Wasserkuppe, full size and giant scale. $25 + S&H
- 99 Feb,
ICARE Sailplanes,
Hera F3J with SA7037 and Hades F3F with RG15 are announced have hollow core molded wings, gapless hinges.
- 99 Feb,
Johnson, Bob,
Discussion of a proposed RES AMA class for rudder, elevator and spoiler control. Proposal is discussed along with fate of revised Std. Class.
- 99 Feb,
Johnson, Bob,
[cont.] RES Class is targeted to beginning modelers and those who want to participate in competition without spending lots of money.
- 99 Feb,
Barter, Ernest,
The VMC Model 20 retriever is no longer available. Parts are only available from primary sources. Dual swivel is a replacement for propeller.
- 99 Mar,
Slates, Judy,
Eric Sanders of CompuFoil fame has moved and his ad has not caught up yet. New address: 7682 Winfield Dr. Brighton, MI 48116 810-225-1165
- 99 Mar,
Slates, Jerry,
Information on the Pilatus B-4 building project. Full size model is a metal skin sailplane which is ideal for a fairly new pilot. Plan source
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