Radio Control Scale Bob Dolly Wischer OSHKOSH AGAIN EAA Experimental Aircraft Association convention fly-in again overwhelming success After first day Oshkosh airport completely covered aircraftand show planes wel come others diverted satellite fields nearby Fond du Lac Appleton noon second day Fond du Lac air port also saturated could hold no bringing total number aircraft fly-in 15000 17000 commute daily between home Wittman Field never cease smitten sight drive off high way ramp toward sea glistening aluminum also preview pass Fond du Lac see contingent warbirds parked pavement frequent Wisconsin summer time thundershowers can turn turf mud Oshkosh Because scattering warbird aircraft no way us count accurately can guess numbers until totals published Sport Aviation magazine esti mates 30 P-51s 60 T-6s 35 T-34s 30 T-28sand guesses probably low assemble Oshkosh part air show disperse again afterward Other warbird aircraft appeared quantities never seen before saw four Spitfires no two alike late Mark 21 Griffon engine five-bladed prop Its 2350 horsepower has definitely different sound air compared wish ordinary Merlins Another Spit twoseater trainer type sound Rolls-Royce Merlins became commonplace after third day spectators ceased gaze skyward new passing gaggle also numerous jet aircraft present including 13 US Marine Corps Harriers Dr Linton Keith scratch-built Giant Scale Northrop A-17 L Wylam plans engine OS 108 cu two-stroke weight 155 lb wingspan 84 Scale factor 168 Plane mid-Thirties design Billy Mcintoshs Ercoupe R scratch-built photos Its finish metallic MonoKote span 72 weight 85 lb power 05 60 four-stroker Scale factor 16 Ercoupe no rudder pedais Dennis Cains quarter-scale Navy N2Y-1 Fleet biplane L built Concept Models kit Power Supertigre 3000 finish Sig Koverail clear nitrate dope K&B epoxy Weight 21 lb realistic dummy engine made bass plywood Gus Rebensburg can justly proud Chilton DW-1 R Model built Dennis Tapaflelds plans weighs 15 ib spans 84 uses 05 120 four-stroke power Features inciude spring shock absorbers landing gear three-piece split flaps Finish Randolph dope over giass cloth 44 Model Aviation Highest flight scores 1987 FAI Scale team selection finals awarded Tom Czikk North American F-82B Twin Mustang its finish acrylic lacquer over glass cloth resin Scale 1828 weight 13 lb span 74 Power pair OS 4OFSRs Harrier demonstrations during air shows persons clasping hands over ears because proximity crowd noisy indeed regretted having soundlevel meter hand Foreign types warbirds also seen greater numbers year Swiss Pilatus P-2 trainer 12-cylinder Argus engine 550 horsepower unusual Except Marine Harriers Navy F-14 Tomcat exhibited warbirds privately owned Some painted resemble WW II aircraft have high-gloss Imron finishes produce really glamorous flying machines Any modeler searching spectacular prototype copy wide choice reproduction Gustav Whiteheads No 21 flying machine displayed No 21 air craft claimed have flown several years before Wrights reproduction has flown modern ultralight engines now awaits finished reproductions Whiteheads original power plants Because con troversy has generated exhibit received much attention Another popular display round-theworld Voyager tattered wing tips exposed see just flights end tail booms removed brought Oshkosh return visit immense flatbed trailera trip days slow speed vehicle required special permission drive through states route After EAA convention continued its journey National Air Space Museum Washington DC Dick Jeana along Burt Rutan spoke before capac ity crowds several occasions outdoor theater convention site EAA members extremely proud fellow members de signing building flying remarkable home-built Also exhibit Metal Masters Tsunami Unlimited Class racer Owner John Sandberg builder Bruce Boland both present airplane willingly answered nonstop ques tions racer flown prior afternoon air show giving hint its speed capabilities told watch slight plume steam emitted its belly cooling system dur ing speed dashes reduce cooling drag cooling-air intake mostly closed off spray bars ahead radiator water pumped over radiator core emitted rearward steam take remains open air through system slows airplane speeds above 500 mph pro peller acts brake As modelers sometimes concerned about incidence angle setting horizontal stabilizer Tsunami stab leading edge raised four times until arrived its present near-zero position done remove heavy loads control stick high speed Does train events sound familiar Scale modelers same reduce load elevator servo also reduce drag downward-deflected elevator Also interest observant modeler wedges balsa taped strategic locations fin rudder eliminate yaw problems di rectional instability high speed Only Osh kosh can average modeler make close observation such details home-built custom-built areas field saw hundred impressive masterpieces Continued page 141 Digital LCD tachometer has dual scale iox-i oox stable RPM readout Full scale voltmeter can used check/cycle TX/RX battery combos Reads load up 20 volts DC ammeter used check servo current Will find worn binding stalled servo conditions w/SCA1 Battery included 90 day warranty 4 Function Accu-TAcH 2$8995 4 Function Accu-TAcH 2A tach probe lack$9995 ACCESSORIES OSAl -Quarter Scete Adapter ATi & AT2-BOOma load$ 995 scAl-servo current Adapter Airtronica Futebe Kreft$ 995 TIBi-Volnege Probes$ 395 cd-carrying daae will hold ACCU-TAcH accessories$1295 TLC1-Test Lead Alligator clips$ 295 HC1-Halicopter Bracket$1295 TT1Tach Probe$1995 HcB1-High Current Box$1995 Send check MO NorCal Avionics A-B Tech Inc 5689 Glasgow Troy Ml 48098 1313828-8210 Mires add 4% tax Add $4 S&ll See dealer first WA s{iUh Charge Models Easy Never Flew Well Skyboy Schweizer shown Skykid ultimate free-flight rubber powered flight secret success sturdy foam models Bi-Matic Bentoms ex clusive 21 gear box preassembled included model An ideal first flying model kids well old reliable serious freeflight modelers CAL1FCNIA PO Box 1695 MODEL IMPORTS Garden Grove CA 92642 SCALE 0 VINTAGE sizes2/ 343/ 1334 11443/i 1145 17/i65/i SMOOTH CONTOUR 2 1314 114334 11/24h 2514 WHEELS 0 NEW BALLOON 2/z4/2 314514 3 CONTROL-UNE GOLDEN AGE sizes21/i 314 13 11443/i 1145 17/i6A SCALE PILOTS NDERS ENGINE KITS MACHINE GUN KITS PLASTIC DISPLAY MODELS AiLLZAJS Send $3 fully Illustrated catalog other kits accessories ~— DEPT MA PAWNEE ST SAN MARCOS CA 9 RADIO CONTROL December 1987 45 Available hobby stores coast Ia coast FREE-FLIGHT RC Aerobatics/Van Putte Continued page 137 success As says reward would appreciate would rush club members buy fly Fox motors Its obvious few serious competitors have already done just Almost everyone used Fox engines Control Line Combat years Nats Ron Van Putte 111 Sleepy Oaks Rd Ft Wal ton Beach FL 32548 RC Scale/Wischers Continued page 45 craftsmanship time highquality home-built airplane exception convention judges needed nitpickers find flaws especially planes com posite construction Ultrasmooth surfaces high-gloss finishes would show slightest blemish almost airplane Hinge gaps small 716-in visible close range almost-invisible line marked canopy outlines result painstaking effort fitting joints Performance matched appearance Bob Heren deen flew Glassair RG through blistering aerobatic routine speeds up 300 mph slender fiberglass fuselage withstood violent maneuvers Apprehensive spectators us wond ered about limits someone must know por tion field loaded intensely beautiful high-performance custom-built air craft main focus interest during four days Oshkosh centers around antique classic aircraft areas find examples type used young active full-scale flight hundreds classes approximately half near-mint condition some recently restored betterthan-new Recently adopted finishing techniques materials give lustrous gloss factory probably never achieved new ma terials have much longer livesThis place see photograph famous Wacos Stinsons Fairchilds Stearmans Beechcrafts Pipers Taylorcrafts well one-ofa-kind airplanes such Rawdon SE5 reproduction worth trip Oshkosh just see Jenny air sunlight penetrat ing through its fabric final flight Dean Crises t91 1 Curtiss pusher now bound museum recent past Nats EAA conven tion have held same week early Au gust two events different dates 1987 other Scale modelers could enjoy both Now hear events may overlap again 1988 probably means RC Scale Nats will flown dur ing portion Oshkosh week great est number aircraft presentthe first weekend midweek Nats participants could finally arrive Oshkosh desirable show planes will have already departed opinion effort should made separate two events permanently Scale enthusiasts can attend bothpreferably least week between Given choice Scale modelers would select Oshkosh Nats Scale attendance suffers met numerous AMA members Oshkosh year some come Nats R/C-56 glue other columns Wilhold R/C-56 glue has recommended cement ing metal wood canopy fuselage plastic painted surface other unusual combinations Its advantages flexibility after curing continues grip under conditions vibration dries clear also useful representing riv ets simulated metal airplane have found metal panels have adhered subsurface R/C-56 very difficult remove afterward de stroying either panel subsurface ever some modelers have informed us RIC-56 available searched substi tute found Weldhond glue has similar properties Recently visit local hobby shop purchased four-ounce bottle R/C-56 glue shelf No scarcity does have higher price tag now before $3 R/C-56 also continues advertised mail order catalogs Weldbond found hobby shops well hardware stores four-ounce larger sizes Balsa selection stack balsa sheets find weight difference about three-to-one heaviest sheet weighs about three times much lightest Because large variation has practice weigh sheet soon after purchase marking end ball-point pen small postal scale gradu ated -oz increments will job pre fer use Pelouze darkroom balance ordinarily used proportioning photographic chemicals Itis graduated grains avoirdupois 4375 grains per ounce accuracy Most balsa sheets standard 4 x 36 permits direct comparison between sheets also between various thicknesses example thickness varies 21 weight varies same wood equal density threeinch-wide sheets marked twice once true weight again weight would four-inch-wide sheet avoids guess work afterward bother weighing balsa Y16-in %2-in sheet particular sheets will tually become wing skins prevents sit uation finished wing badly out balance model has inclination turn direction know no warps cause turn its very likely result wing half being heavier Building wing near-equal weight half-panel becomes simple matter adding weights sheets side assure somewhere near equal Its true model has heavy wing wants turn direction can com pensate flight using aileron trim control leveling wings However compensation effective speed As speed reduced ailerons lose effect heavy wing drops less desirable using Down elevator trim correct sta bilizer incorrect incidence During loop example heavy wing offset ailerons will cause model corkscrew speed varies throughout maneuver Pattern fliers much aware problems Scale modelers because precision flight utmost importance will bury bits metal such nails solder wing tips Scale models wings may well suited such treatment Flying Scale model allerons offset also induces drag undesirable especially ship marginal power possibility tip stall also increased alleron de SEE YOUR DEALER FIRST U cant help you can order direct us sending Ihe full price plus $200 handling fee 10 116W 19th St PO Box U 511E6 HigginsviIIe MO 64037 call 816 584-7121 U U U U U U U U U uEUUUUUUUUUEUUUUEUU December 1987 141 NEW LITTLE GIANTS ULTRALOK* Travel Air 2000 Span 79 Length 58875 Wing Loading 14 lbs19 oz Introductory Price $15495 Travel Air D4000 D4D Span 785 Length 5675 Wing Loading 1 5 lbs z Clip Wing Span695 Introductory Price $17495 Fleet Model 2 Span 68 Length 51 Wing Loading 1 3 lbs z Introductory Price $15495 5 Sport Scale Miniature Aircraft Kighl Prefab Kit Form Featuring F TRALOK onsiriltI ion Techniques Super Fast Assembi able QO 2 vcle 2 Cubic Inch Gas Quarter Scale Travel Air2000 104 23 lbs Travel Air 4000 9925 lbs Mark 4 JB Special Convertible ow Wing 18 lbs 1 plan 2 versions Biplane 18 lbsI Fokker D-VII 88 German WWI Fighter Biplane 23 lbs Waco UPF-790 Biplane 23 lbs Sopwith Tripehound 80 WWt Triplane 17 lbs Sopwith Pup 80 WWI Biplane 20 lbs kits complete contain fiberglass parts preformed landing gear cabanas machined ft die cut wood full hardware package Plans included comprehensive construc tion manual containIng photos end additional drawings Full rIgging kits requIrIng lIttle skill IncludedAlso Available Preformed Landing Gear Cabanes ORDERING INFO orders shipped UPS Parcel Post Add $10 shipping charge Allow 4 weeks delivery Checks MO payable Bebrlan Corp fastest service send Postal Money Order bank check No COD orders Call write information NY State residents add appropriate sales tax * 1 Ti PDA FF117 internotched self-aligning goof-proof assembly method Construction fast simple ULJ 1IIt1LiL1I1 OU will able frame airplane about 25 hours Jerrq Belirens Air Kit Experts Behrlan Corp PO Box 174 Inwood NY 11696 718 337-6987 516 868-5194 pressed below wings surface acts same washin wing covered plas tic films correction imbalance needs done before covering fiberglass resintype finishes extra coat resin half can help especially applied near tip Resin doesnt evaporate volume substance added remains place making quite easy balance method Adding coats dope effort balance wing can quite frustrating weight changes due evaporation dope solvents over long period time much like try ing balance props adding coats anything evaporates common fault Scale models propen sity toward tail-heaviness Knowing weight balsa sheets workshop helps divert less weighty materials aft keep tail light Its too easy grab first sheet stack re gardless density just because looks good fact seem excellent-choice balsa un less weight-watchers warning warn us Carl Goldberg Models plant ob served kits being assembled skilled workers deft touch picked up pieces balsa end determine whether well suited intended purpose No doubt some modelers could same weighing tech nique eliminates guessing FIBERGLASS PARTS Over 237 cowls kit scratch built models Also over 34 round cowls ranging 4 1 4-7/8 diameter 55 duff size & shape wheel pants custom Make Parts Vacuum Form Canopies Please seed $1 complete flat T&D FIBERBLASS SPECIALTIES 30925 Block Dept 4 Garden city Ml 48135 PHONE 3131 421-6358 BRAZED & HEATIREAIEO WIRE GEARS & CABANES PHONE 1313261-9064 Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Soaring/Blakeslee Continued page 47 seventh place want com peting win 89 World Champion ships held home ground everyone agrees have work harder develop some new ideas Choosing entirely new group guys two yearshowever skilledis obviously get ting job done need programs spread formation F3B designs construction methods winches etc also need figure out get Sailplaners F3B-type flying en courage clubs hold events flown manon-man working time Fortunately Phil Renaud guys 87 team comtnitted continuing what have started helping new programs tf sufficient support form around country Eight people themselves cannot make win ning team supported team generously dollars 87 Champs Now need invest time thought well prepared 89 World Championships ideas would welcome Getting back Achmer moment first impression having watched 81 83 NE W US WWd 1 1WINUA6Rj KIT ONLY $7 95 MOVEABLE CONTROLS EASY ADJUSTMENT Hi PM TNi77 24 WI1VUSP4VI Wi DId 1r KIT ONLY $895 - - PECK UODILI EUUY DO FIVE MANY HARD TO FIND ITEMS FOR RUBBER MODELS - CPLEf CA FISH $2U Peck-Peymers BOX 2498 -MA LA MESA CA 92044 N...- PHONE t619 448-1818 142 Model Aviation championships overall pilot skills much better previous contests top half pilots outclassed bottom half Ach mer top half still betterbut much better teams knew what trying lacking equip ment experience top 10 pilots serious conten tion win top 20 very com petitive second impression airplane de signs have pretty much settled down influ ence RaIf Deckers planes very apparent Planes need about size need super strong get out modern slingshot-ping-zoom launch provided pow erful winches monofilament lines Sure subtle differences outward ap pearance planes pretty similar An interesting sidelight planes manufac tured Germany quite competitive Steve Work flew Comet made Hans Muller turned fastest Speed run contest 185 sec Herr Mullers planes feature wood wing skins over foam cores F/G Kevlar fuse lages workmanship simply beautiful Id like have hang living room objet dart Muller planes makes about 15 different ones can purchased country through Becker USA San Diego Write Dave Hice catalog 2820 Altaview Dr San -AlSO AEXONCA L16B/cHAI84 IN SPAN VULTEX BT-13 VALIANT 84 IN SPAIT K Full Kit $25000 $26000 $25000 $26000 $26000 $27500 $29000 $25000 AERONCA L3 FLYING SCAlESPORT NCA L3/EIHDER 105 IN 2 CYClE 90-13 II 4 CYClE 12-18 BOLIiD PlAN SETS-------- $20 EACH FIBERGlASS CGfLS------- *20 EACH ADD 12SHPINGNYS ADD 8TAX AERO PlANS elf PARTS PO BOX 939 OIEAN NY 14760 1 372
Edition: Model Aviation - 1987/12
Page Numbers: 44, 45, 141, 142
Radio Control Scale Bob Dolly Wischer OSHKOSH AGAIN EAA Experimental Aircraft Association convention fly-in again overwhelming success After first day Oshkosh airport completely covered aircraftand show planes wel come others diverted satellite fields nearby Fond du Lac Appleton noon second day Fond du Lac air port also saturated could hold no bringing total number aircraft fly-in 15000 17000 commute daily between home Wittman Field never cease smitten sight drive off high way ramp toward sea glistening aluminum also preview pass Fond du Lac see contingent warbirds parked pavement frequent Wisconsin summer time thundershowers can turn turf mud Oshkosh Because scattering warbird aircraft no way us count accurately can guess numbers until totals published Sport Aviation magazine esti mates 30 P-51s 60 T-6s 35 T-34s 30 T-28sand guesses probably low assemble Oshkosh part air show disperse again afterward Other warbird aircraft appeared quantities never seen before saw four Spitfires no two alike late Mark 21 Griffon engine five-bladed prop Its 2350 horsepower has definitely different sound air compared wish ordinary Merlins Another Spit twoseater trainer type sound Rolls-Royce Merlins became commonplace after third day spectators ceased gaze skyward new passing gaggle also numerous jet aircraft present including 13 US Marine Corps Harriers Dr Linton Keith scratch-built Giant Scale Northrop A-17 L Wylam plans engine OS 108 cu two-stroke weight 155 lb wingspan 84 Scale factor 168 Plane mid-Thirties design Billy Mcintoshs Ercoupe R scratch-built photos Its finish metallic MonoKote span 72 weight 85 lb power 05 60 four-stroker Scale factor 16 Ercoupe no rudder pedais Dennis Cains quarter-scale Navy N2Y-1 Fleet biplane L built Concept Models kit Power Supertigre 3000 finish Sig Koverail clear nitrate dope K&B epoxy Weight 21 lb realistic dummy engine made bass plywood Gus Rebensburg can justly proud Chilton DW-1 R Model built Dennis Tapaflelds plans weighs 15 ib spans 84 uses 05 120 four-stroke power Features inciude spring shock absorbers landing gear three-piece split flaps Finish Randolph dope over giass cloth 44 Model Aviation Highest flight scores 1987 FAI Scale team selection finals awarded Tom Czikk North American F-82B Twin Mustang its finish acrylic lacquer over glass cloth resin Scale 1828 weight 13 lb span 74 Power pair OS 4OFSRs Harrier demonstrations during air shows persons clasping hands over ears because proximity crowd noisy indeed regretted having soundlevel meter hand Foreign types warbirds also seen greater numbers year Swiss Pilatus P-2 trainer 12-cylinder Argus engine 550 horsepower unusual Except Marine Harriers Navy F-14 Tomcat exhibited warbirds privately owned Some painted resemble WW II aircraft have high-gloss Imron finishes produce really glamorous flying machines Any modeler searching spectacular prototype copy wide choice reproduction Gustav Whiteheads No 21 flying machine displayed No 21 air craft claimed have flown several years before Wrights reproduction has flown modern ultralight engines now awaits finished reproductions Whiteheads original power plants Because con troversy has generated exhibit received much attention Another popular display round-theworld Voyager tattered wing tips exposed see just flights end tail booms removed brought Oshkosh return visit immense flatbed trailera trip days slow speed vehicle required special permission drive through states route After EAA convention continued its journey National Air Space Museum Washington DC Dick Jeana along Burt Rutan spoke before capac ity crowds several occasions outdoor theater convention site EAA members extremely proud fellow members de signing building flying remarkable home-built Also exhibit Metal Masters Tsunami Unlimited Class racer Owner John Sandberg builder Bruce Boland both present airplane willingly answered nonstop ques tions racer flown prior afternoon air show giving hint its speed capabilities told watch slight plume steam emitted its belly cooling system dur ing speed dashes reduce cooling drag cooling-air intake mostly closed off spray bars ahead radiator water pumped over radiator core emitted rearward steam take remains open air through system slows airplane speeds above 500 mph pro peller acts brake As modelers sometimes concerned about incidence angle setting horizontal stabilizer Tsunami stab leading edge raised four times until arrived its present near-zero position done remove heavy loads control stick high speed Does train events sound familiar Scale modelers same reduce load elevator servo also reduce drag downward-deflected elevator Also interest observant modeler wedges balsa taped strategic locations fin rudder eliminate yaw problems di rectional instability high speed Only Osh kosh can average modeler make close observation such details home-built custom-built areas field saw hundred impressive masterpieces Continued page 141 Digital LCD tachometer has dual scale iox-i oox stable RPM readout Full scale voltmeter can used check/cycle TX/RX battery combos Reads load up 20 volts DC ammeter used check servo current Will find worn binding stalled servo conditions w/SCA1 Battery included 90 day warranty 4 Function Accu-TAcH 2$8995 4 Function Accu-TAcH 2A tach probe lack$9995 ACCESSORIES OSAl -Quarter Scete Adapter ATi & AT2-BOOma load$ 995 scAl-servo current Adapter Airtronica Futebe Kreft$ 995 TIBi-Volnege Probes$ 395 cd-carrying daae will hold ACCU-TAcH accessories$1295 TLC1-Test Lead Alligator clips$ 295 HC1-Halicopter Bracket$1295 TT1Tach Probe$1995 HcB1-High Current Box$1995 Send check MO NorCal Avionics A-B Tech Inc 5689 Glasgow Troy Ml 48098 1313828-8210 Mires add 4% tax Add $4 S&ll See dealer first WA s{iUh Charge Models Easy Never Flew Well Skyboy Schweizer shown Skykid ultimate free-flight rubber powered flight secret success sturdy foam models Bi-Matic Bentoms ex clusive 21 gear box preassembled included model An ideal first flying model kids well old reliable serious freeflight modelers CAL1FCNIA PO Box 1695 MODEL IMPORTS Garden Grove CA 92642 SCALE 0 VINTAGE sizes2/ 343/ 1334 11443/i 1145 17/i65/i SMOOTH CONTOUR 2 1314 114334 11/24h 2514 WHEELS 0 NEW BALLOON 2/z4/2 314514 3 CONTROL-UNE GOLDEN AGE sizes21/i 314 13 11443/i 1145 17/i6A SCALE PILOTS NDERS ENGINE KITS MACHINE GUN KITS PLASTIC DISPLAY MODELS AiLLZAJS Send $3 fully Illustrated catalog other kits accessories ~— DEPT MA PAWNEE ST SAN MARCOS CA 9 RADIO CONTROL December 1987 45 Available hobby stores coast Ia coast FREE-FLIGHT RC Aerobatics/Van Putte Continued page 137 success As says reward would appreciate would rush club members buy fly Fox motors Its obvious few serious competitors have already done just Almost everyone used Fox engines Control Line Combat years Nats Ron Van Putte 111 Sleepy Oaks Rd Ft Wal ton Beach FL 32548 RC Scale/Wischers Continued page 45 craftsmanship time highquality home-built airplane exception convention judges needed nitpickers find flaws especially planes com posite construction Ultrasmooth surfaces high-gloss finishes would show slightest blemish almost airplane Hinge gaps small 716-in visible close range almost-invisible line marked canopy outlines result painstaking effort fitting joints Performance matched appearance Bob Heren deen flew Glassair RG through blistering aerobatic routine speeds up 300 mph slender fiberglass fuselage withstood violent maneuvers Apprehensive spectators us wond ered about limits someone must know por tion field loaded intensely beautiful high-performance custom-built air craft main focus interest during four days Oshkosh centers around antique classic aircraft areas find examples type used young active full-scale flight hundreds classes approximately half near-mint condition some recently restored betterthan-new Recently adopted finishing techniques materials give lustrous gloss factory probably never achieved new ma terials have much longer livesThis place see photograph famous Wacos Stinsons Fairchilds Stearmans Beechcrafts Pipers Taylorcrafts well one-ofa-kind airplanes such Rawdon SE5 reproduction worth trip Oshkosh just see Jenny air sunlight penetrat ing through its fabric final flight Dean Crises t91 1 Curtiss pusher now bound museum recent past Nats EAA conven tion have held same week early Au gust two events different dates 1987 other Scale modelers could enjoy both Now hear events may overlap again 1988 probably means RC Scale Nats will flown dur ing portion Oshkosh week great est number aircraft presentthe first weekend midweek Nats participants could finally arrive Oshkosh desirable show planes will have already departed opinion effort should made separate two events permanently Scale enthusiasts can attend bothpreferably least week between Given choice Scale modelers would select Oshkosh Nats Scale attendance suffers met numerous AMA members Oshkosh year some come Nats R/C-56 glue other columns Wilhold R/C-56 glue has recommended cement ing metal wood canopy fuselage plastic painted surface other unusual combinations Its advantages flexibility after curing continues grip under conditions vibration dries clear also useful representing riv ets simulated metal airplane have found metal panels have adhered subsurface R/C-56 very difficult remove afterward de stroying either panel subsurface ever some modelers have informed us RIC-56 available searched substi tute found Weldhond glue has similar properties Recently visit local hobby shop purchased four-ounce bottle R/C-56 glue shelf No scarcity does have higher price tag now before $3 R/C-56 also continues advertised mail order catalogs Weldbond found hobby shops well hardware stores four-ounce larger sizes Balsa selection stack balsa sheets find weight difference about three-to-one heaviest sheet weighs about three times much lightest Because large variation has practice weigh sheet soon after purchase marking end ball-point pen small postal scale gradu ated -oz increments will job pre fer use Pelouze darkroom balance ordinarily used proportioning photographic chemicals Itis graduated grains avoirdupois 4375 grains per ounce accuracy Most balsa sheets standard 4 x 36 permits direct comparison between sheets also between various thicknesses example thickness varies 21 weight varies same wood equal density threeinch-wide sheets marked twice once true weight again weight would four-inch-wide sheet avoids guess work afterward bother weighing balsa Y16-in %2-in sheet particular sheets will tually become wing skins prevents sit uation finished wing badly out balance model has inclination turn direction know no warps cause turn its very likely result wing half being heavier Building wing near-equal weight half-panel becomes simple matter adding weights sheets side assure somewhere near equal Its true model has heavy wing wants turn direction can com pensate flight using aileron trim control leveling wings However compensation effective speed As speed reduced ailerons lose effect heavy wing drops less desirable using Down elevator trim correct sta bilizer incorrect incidence During loop example heavy wing offset ailerons will cause model corkscrew speed varies throughout maneuver Pattern fliers much aware problems Scale modelers because precision flight utmost importance will bury bits metal such nails solder wing tips Scale models wings may well suited such treatment Flying Scale model allerons offset also induces drag undesirable especially ship marginal power possibility tip stall also increased alleron de SEE YOUR DEALER FIRST U cant help you can order direct us sending Ihe full price plus $200 handling fee 10 116W 19th St PO Box U 511E6 HigginsviIIe MO 64037 call 816 584-7121 U U U U U U U U U uEUUUUUUUUUEUUUUEUU December 1987 141 NEW LITTLE GIANTS ULTRALOK* Travel Air 2000 Span 79 Length 58875 Wing Loading 14 lbs19 oz Introductory Price $15495 Travel Air D4000 D4D Span 785 Length 5675 Wing Loading 1 5 lbs z Clip Wing Span695 Introductory Price $17495 Fleet Model 2 Span 68 Length 51 Wing Loading 1 3 lbs z Introductory Price $15495 5 Sport Scale Miniature Aircraft Kighl Prefab Kit Form Featuring F TRALOK onsiriltI ion Techniques Super Fast Assembi able QO 2 vcle 2 Cubic Inch Gas Quarter Scale Travel Air2000 104 23 lbs Travel Air 4000 9925 lbs Mark 4 JB Special Convertible ow Wing 18 lbs 1 plan 2 versions Biplane 18 lbsI Fokker D-VII 88 German WWI Fighter Biplane 23 lbs Waco UPF-790 Biplane 23 lbs Sopwith Tripehound 80 WWt Triplane 17 lbs Sopwith Pup 80 WWI Biplane 20 lbs kits complete contain fiberglass parts preformed landing gear cabanas machined ft die cut wood full hardware package Plans included comprehensive construc tion manual containIng photos end additional drawings Full rIgging kits requIrIng lIttle skill IncludedAlso Available Preformed Landing Gear Cabanes ORDERING INFO orders shipped UPS Parcel Post Add $10 shipping charge Allow 4 weeks delivery Checks MO payable Bebrlan Corp fastest service send Postal Money Order bank check No COD orders Call write information NY State residents add appropriate sales tax * 1 Ti PDA FF117 internotched self-aligning goof-proof assembly method Construction fast simple ULJ 1IIt1LiL1I1 OU will able frame airplane about 25 hours Jerrq Belirens Air Kit Experts Behrlan Corp PO Box 174 Inwood NY 11696 718 337-6987 516 868-5194 pressed below wings surface acts same washin wing covered plas tic films correction imbalance needs done before covering fiberglass resintype finishes extra coat resin half can help especially applied near tip Resin doesnt evaporate volume substance added remains place making quite easy balance method Adding coats dope effort balance wing can quite frustrating weight changes due evaporation dope solvents over long period time much like try ing balance props adding coats anything evaporates common fault Scale models propen sity toward tail-heaviness Knowing weight balsa sheets workshop helps divert less weighty materials aft keep tail light Its too easy grab first sheet stack re gardless density just because looks good fact seem excellent-choice balsa un less weight-watchers warning warn us Carl Goldberg Models plant ob served kits being assembled skilled workers deft touch picked up pieces balsa end determine whether well suited intended purpose No doubt some modelers could same weighing tech nique eliminates guessing FIBERGLASS PARTS Over 237 cowls kit scratch built models Also over 34 round cowls ranging 4 1 4-7/8 diameter 55 duff size & shape wheel pants custom Make Parts Vacuum Form Canopies Please seed $1 complete flat T&D FIBERBLASS SPECIALTIES 30925 Block Dept 4 Garden city Ml 48135 PHONE 3131 421-6358 BRAZED & HEATIREAIEO WIRE GEARS & CABANES PHONE 1313261-9064 Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Soaring/Blakeslee Continued page 47 seventh place want com peting win 89 World Champion ships held home ground everyone agrees have work harder develop some new ideas Choosing entirely new group guys two yearshowever skilledis obviously get ting job done need programs spread formation F3B designs construction methods winches etc also need figure out get Sailplaners F3B-type flying en courage clubs hold events flown manon-man working time Fortunately Phil Renaud guys 87 team comtnitted continuing what have started helping new programs tf sufficient support form around country Eight people themselves cannot make win ning team supported team generously dollars 87 Champs Now need invest time thought well prepared 89 World Championships ideas would welcome Getting back Achmer moment first impression having watched 81 83 NE W US WWd 1 1WINUA6Rj KIT ONLY $7 95 MOVEABLE CONTROLS EASY ADJUSTMENT Hi PM TNi77 24 WI1VUSP4VI Wi DId 1r KIT ONLY $895 - - PECK UODILI EUUY DO FIVE MANY HARD TO FIND ITEMS FOR RUBBER MODELS - CPLEf CA FISH $2U Peck-Peymers BOX 2498 -MA LA MESA CA 92044 N...- PHONE t619 448-1818 142 Model Aviation championships overall pilot skills much better previous contests top half pilots outclassed bottom half Ach mer top half still betterbut much better teams knew what trying lacking equip ment experience top 10 pilots serious conten tion win top 20 very com petitive second impression airplane de signs have pretty much settled down influ ence RaIf Deckers planes very apparent Planes need about size need super strong get out modern slingshot-ping-zoom launch provided pow erful winches monofilament lines Sure subtle differences outward ap pearance planes pretty similar An interesting sidelight planes manufac tured Germany quite competitive Steve Work flew Comet made Hans Muller turned fastest Speed run contest 185 sec Herr Mullers planes feature wood wing skins over foam cores F/G Kevlar fuse lages workmanship simply beautiful Id like have hang living room objet dart Muller planes makes about 15 different ones can purchased country through Becker USA San Diego Write Dave Hice catalog 2820 Altaview Dr San -AlSO AEXONCA L16B/cHAI84 IN SPAN VULTEX BT-13 VALIANT 84 IN SPAIT K Full Kit $25000 $26000 $25000 $26000 $26000 $27500 $29000 $25000 AERONCA L3 FLYING SCAlESPORT NCA L3/EIHDER 105 IN 2 CYClE 90-13 II 4 CYClE 12-18 BOLIiD PlAN SETS-------- $20 EACH FIBERGlASS CGfLS------- *20 EACH ADD 12SHPINGNYS ADD 8TAX AERO PlANS elf PARTS PO BOX 939 OIEAN NY 14760 1 372
Edition: Model Aviation - 1987/12
Page Numbers: 44, 45, 141, 142
Radio Control Scale Bob Dolly Wischer OSHKOSH AGAIN EAA Experimental Aircraft Association convention fly-in again overwhelming success After first day Oshkosh airport completely covered aircraftand show planes wel come others diverted satellite fields nearby Fond du Lac Appleton noon second day Fond du Lac air port also saturated could hold no bringing total number aircraft fly-in 15000 17000 commute daily between home Wittman Field never cease smitten sight drive off high way ramp toward sea glistening aluminum also preview pass Fond du Lac see contingent warbirds parked pavement frequent Wisconsin summer time thundershowers can turn turf mud Oshkosh Because scattering warbird aircraft no way us count accurately can guess numbers until totals published Sport Aviation magazine esti mates 30 P-51s 60 T-6s 35 T-34s 30 T-28sand guesses probably low assemble Oshkosh part air show disperse again afterward Other warbird aircraft appeared quantities never seen before saw four Spitfires no two alike late Mark 21 Griffon engine five-bladed prop Its 2350 horsepower has definitely different sound air compared wish ordinary Merlins Another Spit twoseater trainer type sound Rolls-Royce Merlins became commonplace after third day spectators ceased gaze skyward new passing gaggle also numerous jet aircraft present including 13 US Marine Corps Harriers Dr Linton Keith scratch-built Giant Scale Northrop A-17 L Wylam plans engine OS 108 cu two-stroke weight 155 lb wingspan 84 Scale factor 168 Plane mid-Thirties design Billy Mcintoshs Ercoupe R scratch-built photos Its finish metallic MonoKote span 72 weight 85 lb power 05 60 four-stroker Scale factor 16 Ercoupe no rudder pedais Dennis Cains quarter-scale Navy N2Y-1 Fleet biplane L built Concept Models kit Power Supertigre 3000 finish Sig Koverail clear nitrate dope K&B epoxy Weight 21 lb realistic dummy engine made bass plywood Gus Rebensburg can justly proud Chilton DW-1 R Model built Dennis Tapaflelds plans weighs 15 ib spans 84 uses 05 120 four-stroke power Features inciude spring shock absorbers landing gear three-piece split flaps Finish Randolph dope over giass cloth 44 Model Aviation Highest flight scores 1987 FAI Scale team selection finals awarded Tom Czikk North American F-82B Twin Mustang its finish acrylic lacquer over glass cloth resin Scale 1828 weight 13 lb span 74 Power pair OS 4OFSRs Harrier demonstrations during air shows persons clasping hands over ears because proximity crowd noisy indeed regretted having soundlevel meter hand Foreign types warbirds also seen greater numbers year Swiss Pilatus P-2 trainer 12-cylinder Argus engine 550 horsepower unusual Except Marine Harriers Navy F-14 Tomcat exhibited warbirds privately owned Some painted resemble WW II aircraft have high-gloss Imron finishes produce really glamorous flying machines Any modeler searching spectacular prototype copy wide choice reproduction Gustav Whiteheads No 21 flying machine displayed No 21 air craft claimed have flown several years before Wrights reproduction has flown modern ultralight engines now awaits finished reproductions Whiteheads original power plants Because con troversy has generated exhibit received much attention Another popular display round-theworld Voyager tattered wing tips exposed see just flights end tail booms removed brought Oshkosh return visit immense flatbed trailera trip days slow speed vehicle required special permission drive through states route After EAA convention continued its journey National Air Space Museum Washington DC Dick Jeana along Burt Rutan spoke before capac ity crowds several occasions outdoor theater convention site EAA members extremely proud fellow members de signing building flying remarkable home-built Also exhibit Metal Masters Tsunami Unlimited Class racer Owner John Sandberg builder Bruce Boland both present airplane willingly answered nonstop ques tions racer flown prior afternoon air show giving hint its speed capabilities told watch slight plume steam emitted its belly cooling system dur ing speed dashes reduce cooling drag cooling-air intake mostly closed off spray bars ahead radiator water pumped over radiator core emitted rearward steam take remains open air through system slows airplane speeds above 500 mph pro peller acts brake As modelers sometimes concerned about incidence angle setting horizontal stabilizer Tsunami stab leading edge raised four times until arrived its present near-zero position done remove heavy loads control stick high speed Does train events sound familiar Scale modelers same reduce load elevator servo also reduce drag downward-deflected elevator Also interest observant modeler wedges balsa taped strategic locations fin rudder eliminate yaw problems di rectional instability high speed Only Osh kosh can average modeler make close observation such details home-built custom-built areas field saw hundred impressive masterpieces Continued page 141 Digital LCD tachometer has dual scale iox-i oox stable RPM readout Full scale voltmeter can used check/cycle TX/RX battery combos Reads load up 20 volts DC ammeter used check servo current Will find worn binding stalled servo conditions w/SCA1 Battery included 90 day warranty 4 Function Accu-TAcH 2$8995 4 Function Accu-TAcH 2A tach probe lack$9995 ACCESSORIES OSAl -Quarter Scete Adapter ATi & AT2-BOOma load$ 995 scAl-servo current Adapter Airtronica Futebe Kreft$ 995 TIBi-Volnege Probes$ 395 cd-carrying daae will hold ACCU-TAcH accessories$1295 TLC1-Test Lead Alligator clips$ 295 HC1-Halicopter Bracket$1295 TT1Tach Probe$1995 HcB1-High Current Box$1995 Send check MO NorCal Avionics A-B Tech Inc 5689 Glasgow Troy Ml 48098 1313828-8210 Mires add 4% tax Add $4 S&ll See dealer first WA s{iUh Charge Models Easy Never Flew Well Skyboy Schweizer shown Skykid ultimate free-flight rubber powered flight secret success sturdy foam models Bi-Matic Bentoms ex clusive 21 gear box preassembled included model An ideal first flying model kids well old reliable serious freeflight modelers CAL1FCNIA PO Box 1695 MODEL IMPORTS Garden Grove CA 92642 SCALE 0 VINTAGE sizes2/ 343/ 1334 11443/i 1145 17/i65/i SMOOTH CONTOUR 2 1314 114334 11/24h 2514 WHEELS 0 NEW BALLOON 2/z4/2 314514 3 CONTROL-UNE GOLDEN AGE sizes21/i 314 13 11443/i 1145 17/i6A SCALE PILOTS NDERS ENGINE KITS MACHINE GUN KITS PLASTIC DISPLAY MODELS AiLLZAJS Send $3 fully Illustrated catalog other kits accessories ~— DEPT MA PAWNEE ST SAN MARCOS CA 9 RADIO CONTROL December 1987 45 Available hobby stores coast Ia coast FREE-FLIGHT RC Aerobatics/Van Putte Continued page 137 success As says reward would appreciate would rush club members buy fly Fox motors Its obvious few serious competitors have already done just Almost everyone used Fox engines Control Line Combat years Nats Ron Van Putte 111 Sleepy Oaks Rd Ft Wal ton Beach FL 32548 RC Scale/Wischers Continued page 45 craftsmanship time highquality home-built airplane exception convention judges needed nitpickers find flaws especially planes com posite construction Ultrasmooth surfaces high-gloss finishes would show slightest blemish almost airplane Hinge gaps small 716-in visible close range almost-invisible line marked canopy outlines result painstaking effort fitting joints Performance matched appearance Bob Heren deen flew Glassair RG through blistering aerobatic routine speeds up 300 mph slender fiberglass fuselage withstood violent maneuvers Apprehensive spectators us wond ered about limits someone must know por tion field loaded intensely beautiful high-performance custom-built air craft main focus interest during four days Oshkosh centers around antique classic aircraft areas find examples type used young active full-scale flight hundreds classes approximately half near-mint condition some recently restored betterthan-new Recently adopted finishing techniques materials give lustrous gloss factory probably never achieved new ma terials have much longer livesThis place see photograph famous Wacos Stinsons Fairchilds Stearmans Beechcrafts Pipers Taylorcrafts well one-ofa-kind airplanes such Rawdon SE5 reproduction worth trip Oshkosh just see Jenny air sunlight penetrat ing through its fabric final flight Dean Crises t91 1 Curtiss pusher now bound museum recent past Nats EAA conven tion have held same week early Au gust two events different dates 1987 other Scale modelers could enjoy both Now hear events may overlap again 1988 probably means RC Scale Nats will flown dur ing portion Oshkosh week great est number aircraft presentthe first weekend midweek Nats participants could finally arrive Oshkosh desirable show planes will have already departed opinion effort should made separate two events permanently Scale enthusiasts can attend bothpreferably least week between Given choice Scale modelers would select Oshkosh Nats Scale attendance suffers met numerous AMA members Oshkosh year some come Nats R/C-56 glue other columns Wilhold R/C-56 glue has recommended cement ing metal wood canopy fuselage plastic painted surface other unusual combinations Its advantages flexibility after curing continues grip under conditions vibration dries clear also useful representing riv ets simulated metal airplane have found metal panels have adhered subsurface R/C-56 very difficult remove afterward de stroying either panel subsurface ever some modelers have informed us RIC-56 available searched substi tute found Weldhond glue has similar properties Recently visit local hobby shop purchased four-ounce bottle R/C-56 glue shelf No scarcity does have higher price tag now before $3 R/C-56 also continues advertised mail order catalogs Weldbond found hobby shops well hardware stores four-ounce larger sizes Balsa selection stack balsa sheets find weight difference about three-to-one heaviest sheet weighs about three times much lightest Because large variation has practice weigh sheet soon after purchase marking end ball-point pen small postal scale gradu ated -oz increments will job pre fer use Pelouze darkroom balance ordinarily used proportioning photographic chemicals Itis graduated grains avoirdupois 4375 grains per ounce accuracy Most balsa sheets standard 4 x 36 permits direct comparison between sheets also between various thicknesses example thickness varies 21 weight varies same wood equal density threeinch-wide sheets marked twice once true weight again weight would four-inch-wide sheet avoids guess work afterward bother weighing balsa Y16-in %2-in sheet particular sheets will tually become wing skins prevents sit uation finished wing badly out balance model has inclination turn direction know no warps cause turn its very likely result wing half being heavier Building wing near-equal weight half-panel becomes simple matter adding weights sheets side assure somewhere near equal Its true model has heavy wing wants turn direction can com pensate flight using aileron trim control leveling wings However compensation effective speed As speed reduced ailerons lose effect heavy wing drops less desirable using Down elevator trim correct sta bilizer incorrect incidence During loop example heavy wing offset ailerons will cause model corkscrew speed varies throughout maneuver Pattern fliers much aware problems Scale modelers because precision flight utmost importance will bury bits metal such nails solder wing tips Scale models wings may well suited such treatment Flying Scale model allerons offset also induces drag undesirable especially ship marginal power possibility tip stall also increased alleron de SEE YOUR DEALER FIRST U cant help you can order direct us sending Ihe full price plus $200 handling fee 10 116W 19th St PO Box U 511E6 HigginsviIIe MO 64037 call 816 584-7121 U U U U U U U U U uEUUUUUUUUUEUUUUEUU December 1987 141 NEW LITTLE GIANTS ULTRALOK* Travel Air 2000 Span 79 Length 58875 Wing Loading 14 lbs19 oz Introductory Price $15495 Travel Air D4000 D4D Span 785 Length 5675 Wing Loading 1 5 lbs z Clip Wing Span695 Introductory Price $17495 Fleet Model 2 Span 68 Length 51 Wing Loading 1 3 lbs z Introductory Price $15495 5 Sport Scale Miniature Aircraft Kighl Prefab Kit Form Featuring F TRALOK onsiriltI ion Techniques Super Fast Assembi able QO 2 vcle 2 Cubic Inch Gas Quarter Scale Travel Air2000 104 23 lbs Travel Air 4000 9925 lbs Mark 4 JB Special Convertible ow Wing 18 lbs 1 plan 2 versions Biplane 18 lbsI Fokker D-VII 88 German WWI Fighter Biplane 23 lbs Waco UPF-790 Biplane 23 lbs Sopwith Tripehound 80 WWt Triplane 17 lbs Sopwith Pup 80 WWI Biplane 20 lbs kits complete contain fiberglass parts preformed landing gear cabanas machined ft die cut wood full hardware package Plans included comprehensive construc tion manual containIng photos end additional drawings Full rIgging kits requIrIng lIttle skill IncludedAlso Available Preformed Landing Gear Cabanes ORDERING INFO orders shipped UPS Parcel Post Add $10 shipping charge Allow 4 weeks delivery Checks MO payable Bebrlan Corp fastest service send Postal Money Order bank check No COD orders Call write information NY State residents add appropriate sales tax * 1 Ti PDA FF117 internotched self-aligning goof-proof assembly method Construction fast simple ULJ 1IIt1LiL1I1 OU will able frame airplane about 25 hours Jerrq Belirens Air Kit Experts Behrlan Corp PO Box 174 Inwood NY 11696 718 337-6987 516 868-5194 pressed below wings surface acts same washin wing covered plas tic films correction imbalance needs done before covering fiberglass resintype finishes extra coat resin half can help especially applied near tip Resin doesnt evaporate volume substance added remains place making quite easy balance method Adding coats dope effort balance wing can quite frustrating weight changes due evaporation dope solvents over long period time much like try ing balance props adding coats anything evaporates common fault Scale models propen sity toward tail-heaviness Knowing weight balsa sheets workshop helps divert less weighty materials aft keep tail light Its too easy grab first sheet stack re gardless density just because looks good fact seem excellent-choice balsa un less weight-watchers warning warn us Carl Goldberg Models plant ob served kits being assembled skilled workers deft touch picked up pieces balsa end determine whether well suited intended purpose No doubt some modelers could same weighing tech nique eliminates guessing FIBERGLASS PARTS Over 237 cowls kit scratch built models Also over 34 round cowls ranging 4 1 4-7/8 diameter 55 duff size & shape wheel pants custom Make Parts Vacuum Form Canopies Please seed $1 complete flat T&D FIBERBLASS SPECIALTIES 30925 Block Dept 4 Garden city Ml 48135 PHONE 3131 421-6358 BRAZED & HEATIREAIEO WIRE GEARS & CABANES PHONE 1313261-9064 Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Soaring/Blakeslee Continued page 47 seventh place want com peting win 89 World Champion ships held home ground everyone agrees have work harder develop some new ideas Choosing entirely new group guys two yearshowever skilledis obviously get ting job done need programs spread formation F3B designs construction methods winches etc also need figure out get Sailplaners F3B-type flying en courage clubs hold events flown manon-man working time Fortunately Phil Renaud guys 87 team comtnitted continuing what have started helping new programs tf sufficient support form around country Eight people themselves cannot make win ning team supported team generously dollars 87 Champs Now need invest time thought well prepared 89 World Championships ideas would welcome Getting back Achmer moment first impression having watched 81 83 NE W US WWd 1 1WINUA6Rj KIT ONLY $7 95 MOVEABLE CONTROLS EASY ADJUSTMENT Hi PM TNi77 24 WI1VUSP4VI Wi DId 1r KIT ONLY $895 - - PECK UODILI EUUY DO FIVE MANY HARD TO FIND ITEMS FOR RUBBER MODELS - CPLEf CA FISH $2U Peck-Peymers BOX 2498 -MA LA MESA CA 92044 N...- PHONE t619 448-1818 142 Model Aviation championships overall pilot skills much better previous contests top half pilots outclassed bottom half Ach mer top half still betterbut much better teams knew what trying lacking equip ment experience top 10 pilots serious conten tion win top 20 very com petitive second impression airplane de signs have pretty much settled down influ ence RaIf Deckers planes very apparent Planes need about size need super strong get out modern slingshot-ping-zoom launch provided pow erful winches monofilament lines Sure subtle differences outward ap pearance planes pretty similar An interesting sidelight planes manufac tured Germany quite competitive Steve Work flew Comet made Hans Muller turned fastest Speed run contest 185 sec Herr Mullers planes feature wood wing skins over foam cores F/G Kevlar fuse lages workmanship simply beautiful Id like have hang living room objet dart Muller planes makes about 15 different ones can purchased country through Becker USA San Diego Write Dave Hice catalog 2820 Altaview Dr San -AlSO AEXONCA L16B/cHAI84 IN SPAN VULTEX BT-13 VALIANT 84 IN SPAIT K Full Kit $25000 $26000 $25000 $26000 $26000 $27500 $29000 $25000 AERONCA L3 FLYING SCAlESPORT NCA L3/EIHDER 105 IN 2 CYClE 90-13 II 4 CYClE 12-18 BOLIiD PlAN SETS-------- $20 EACH FIBERGlASS CGfLS------- *20 EACH ADD 12SHPINGNYS ADD 8TAX AERO PlANS elf PARTS PO BOX 939 OIEAN NY 14760 1 372
Edition: Model Aviation - 1987/12
Page Numbers: 44, 45, 141, 142
Radio Control Scale Bob Dolly Wischer OSHKOSH AGAIN EAA Experimental Aircraft Association convention fly-in again overwhelming success After first day Oshkosh airport completely covered aircraftand show planes wel come others diverted satellite fields nearby Fond du Lac Appleton noon second day Fond du Lac air port also saturated could hold no bringing total number aircraft fly-in 15000 17000 commute daily between home Wittman Field never cease smitten sight drive off high way ramp toward sea glistening aluminum also preview pass Fond du Lac see contingent warbirds parked pavement frequent Wisconsin summer time thundershowers can turn turf mud Oshkosh Because scattering warbird aircraft no way us count accurately can guess numbers until totals published Sport Aviation magazine esti mates 30 P-51s 60 T-6s 35 T-34s 30 T-28sand guesses probably low assemble Oshkosh part air show disperse again afterward Other warbird aircraft appeared quantities never seen before saw four Spitfires no two alike late Mark 21 Griffon engine five-bladed prop Its 2350 horsepower has definitely different sound air compared wish ordinary Merlins Another Spit twoseater trainer type sound Rolls-Royce Merlins became commonplace after third day spectators ceased gaze skyward new passing gaggle also numerous jet aircraft present including 13 US Marine Corps Harriers Dr Linton Keith scratch-built Giant Scale Northrop A-17 L Wylam plans engine OS 108 cu two-stroke weight 155 lb wingspan 84 Scale factor 168 Plane mid-Thirties design Billy Mcintoshs Ercoupe R scratch-built photos Its finish metallic MonoKote span 72 weight 85 lb power 05 60 four-stroker Scale factor 16 Ercoupe no rudder pedais Dennis Cains quarter-scale Navy N2Y-1 Fleet biplane L built Concept Models kit Power Supertigre 3000 finish Sig Koverail clear nitrate dope K&B epoxy Weight 21 lb realistic dummy engine made bass plywood Gus Rebensburg can justly proud Chilton DW-1 R Model built Dennis Tapaflelds plans weighs 15 ib spans 84 uses 05 120 four-stroke power Features inciude spring shock absorbers landing gear three-piece split flaps Finish Randolph dope over giass cloth 44 Model Aviation Highest flight scores 1987 FAI Scale team selection finals awarded Tom Czikk North American F-82B Twin Mustang its finish acrylic lacquer over glass cloth resin Scale 1828 weight 13 lb span 74 Power pair OS 4OFSRs Harrier demonstrations during air shows persons clasping hands over ears because proximity crowd noisy indeed regretted having soundlevel meter hand Foreign types warbirds also seen greater numbers year Swiss Pilatus P-2 trainer 12-cylinder Argus engine 550 horsepower unusual Except Marine Harriers Navy F-14 Tomcat exhibited warbirds privately owned Some painted resemble WW II aircraft have high-gloss Imron finishes produce really glamorous flying machines Any modeler searching spectacular prototype copy wide choice reproduction Gustav Whiteheads No 21 flying machine displayed No 21 air craft claimed have flown several years before Wrights reproduction has flown modern ultralight engines now awaits finished reproductions Whiteheads original power plants Because con troversy has generated exhibit received much attention Another popular display round-theworld Voyager tattered wing tips exposed see just flights end tail booms removed brought Oshkosh return visit immense flatbed trailera trip days slow speed vehicle required special permission drive through states route After EAA convention continued its journey National Air Space Museum Washington DC Dick Jeana along Burt Rutan spoke before capac ity crowds several occasions outdoor theater convention site EAA members extremely proud fellow members de signing building flying remarkable home-built Also exhibit Metal Masters Tsunami Unlimited Class racer Owner John Sandberg builder Bruce Boland both present airplane willingly answered nonstop ques tions racer flown prior afternoon air show giving hint its speed capabilities told watch slight plume steam emitted its belly cooling system dur ing speed dashes reduce cooling drag cooling-air intake mostly closed off spray bars ahead radiator water pumped over radiator core emitted rearward steam take remains open air through system slows airplane speeds above 500 mph pro peller acts brake As modelers sometimes concerned about incidence angle setting horizontal stabilizer Tsunami stab leading edge raised four times until arrived its present near-zero position done remove heavy loads control stick high speed Does train events sound familiar Scale modelers same reduce load elevator servo also reduce drag downward-deflected elevator Also interest observant modeler wedges balsa taped strategic locations fin rudder eliminate yaw problems di rectional instability high speed Only Osh kosh can average modeler make close observation such details home-built custom-built areas field saw hundred impressive masterpieces Continued page 141 Digital LCD tachometer has dual scale iox-i oox stable RPM readout Full scale voltmeter can used check/cycle TX/RX battery combos Reads load up 20 volts DC ammeter used check servo current Will find worn binding stalled servo conditions w/SCA1 Battery included 90 day warranty 4 Function Accu-TAcH 2$8995 4 Function Accu-TAcH 2A tach probe lack$9995 ACCESSORIES OSAl -Quarter Scete Adapter ATi & AT2-BOOma load$ 995 scAl-servo current Adapter Airtronica Futebe Kreft$ 995 TIBi-Volnege Probes$ 395 cd-carrying daae will hold ACCU-TAcH accessories$1295 TLC1-Test Lead Alligator clips$ 295 HC1-Halicopter Bracket$1295 TT1Tach Probe$1995 HcB1-High Current Box$1995 Send check MO NorCal Avionics A-B Tech Inc 5689 Glasgow Troy Ml 48098 1313828-8210 Mires add 4% tax Add $4 S&ll See dealer first WA s{iUh Charge Models Easy Never Flew Well Skyboy Schweizer shown Skykid ultimate free-flight rubber powered flight secret success sturdy foam models Bi-Matic Bentoms ex clusive 21 gear box preassembled included model An ideal first flying model kids well old reliable serious freeflight modelers CAL1FCNIA PO Box 1695 MODEL IMPORTS Garden Grove CA 92642 SCALE 0 VINTAGE sizes2/ 343/ 1334 11443/i 1145 17/i65/i SMOOTH CONTOUR 2 1314 114334 11/24h 2514 WHEELS 0 NEW BALLOON 2/z4/2 314514 3 CONTROL-UNE GOLDEN AGE sizes21/i 314 13 11443/i 1145 17/i6A SCALE PILOTS NDERS ENGINE KITS MACHINE GUN KITS PLASTIC DISPLAY MODELS AiLLZAJS Send $3 fully Illustrated catalog other kits accessories ~— DEPT MA PAWNEE ST SAN MARCOS CA 9 RADIO CONTROL December 1987 45 Available hobby stores coast Ia coast FREE-FLIGHT RC Aerobatics/Van Putte Continued page 137 success As says reward would appreciate would rush club members buy fly Fox motors Its obvious few serious competitors have already done just Almost everyone used Fox engines Control Line Combat years Nats Ron Van Putte 111 Sleepy Oaks Rd Ft Wal ton Beach FL 32548 RC Scale/Wischers Continued page 45 craftsmanship time highquality home-built airplane exception convention judges needed nitpickers find flaws especially planes com posite construction Ultrasmooth surfaces high-gloss finishes would show slightest blemish almost airplane Hinge gaps small 716-in visible close range almost-invisible line marked canopy outlines result painstaking effort fitting joints Performance matched appearance Bob Heren deen flew Glassair RG through blistering aerobatic routine speeds up 300 mph slender fiberglass fuselage withstood violent maneuvers Apprehensive spectators us wond ered about limits someone must know por tion field loaded intensely beautiful high-performance custom-built air craft main focus interest during four days Oshkosh centers around antique classic aircraft areas find examples type used young active full-scale flight hundreds classes approximately half near-mint condition some recently restored betterthan-new Recently adopted finishing techniques materials give lustrous gloss factory probably never achieved new ma terials have much longer livesThis place see photograph famous Wacos Stinsons Fairchilds Stearmans Beechcrafts Pipers Taylorcrafts well one-ofa-kind airplanes such Rawdon SE5 reproduction worth trip Oshkosh just see Jenny air sunlight penetrat ing through its fabric final flight Dean Crises t91 1 Curtiss pusher now bound museum recent past Nats EAA conven tion have held same week early Au gust two events different dates 1987 other Scale modelers could enjoy both Now hear events may overlap again 1988 probably means RC Scale Nats will flown dur ing portion Oshkosh week great est number aircraft presentthe first weekend midweek Nats participants could finally arrive Oshkosh desirable show planes will have already departed opinion effort should made separate two events permanently Scale enthusiasts can attend bothpreferably least week between Given choice Scale modelers would select Oshkosh Nats Scale attendance suffers met numerous AMA members Oshkosh year some come Nats R/C-56 glue other columns Wilhold R/C-56 glue has recommended cement ing metal wood canopy fuselage plastic painted surface other unusual combinations Its advantages flexibility after curing continues grip under conditions vibration dries clear also useful representing riv ets simulated metal airplane have found metal panels have adhered subsurface R/C-56 very difficult remove afterward de stroying either panel subsurface ever some modelers have informed us RIC-56 available searched substi tute found Weldhond glue has similar properties Recently visit local hobby shop purchased four-ounce bottle R/C-56 glue shelf No scarcity does have higher price tag now before $3 R/C-56 also continues advertised mail order catalogs Weldbond found hobby shops well hardware stores four-ounce larger sizes Balsa selection stack balsa sheets find weight difference about three-to-one heaviest sheet weighs about three times much lightest Because large variation has practice weigh sheet soon after purchase marking end ball-point pen small postal scale gradu ated -oz increments will job pre fer use Pelouze darkroom balance ordinarily used proportioning photographic chemicals Itis graduated grains avoirdupois 4375 grains per ounce accuracy Most balsa sheets standard 4 x 36 permits direct comparison between sheets also between various thicknesses example thickness varies 21 weight varies same wood equal density threeinch-wide sheets marked twice once true weight again weight would four-inch-wide sheet avoids guess work afterward bother weighing balsa Y16-in %2-in sheet particular sheets will tually become wing skins prevents sit uation finished wing badly out balance model has inclination turn direction know no warps cause turn its very likely result wing half being heavier Building wing near-equal weight half-panel becomes simple matter adding weights sheets side assure somewhere near equal Its true model has heavy wing wants turn direction can com pensate flight using aileron trim control leveling wings However compensation effective speed As speed reduced ailerons lose effect heavy wing drops less desirable using Down elevator trim correct sta bilizer incorrect incidence During loop example heavy wing offset ailerons will cause model corkscrew speed varies throughout maneuver Pattern fliers much aware problems Scale modelers because precision flight utmost importance will bury bits metal such nails solder wing tips Scale models wings may well suited such treatment Flying Scale model allerons offset also induces drag undesirable especially ship marginal power possibility tip stall also increased alleron de SEE YOUR DEALER FIRST U cant help you can order direct us sending Ihe full price plus $200 handling fee 10 116W 19th St PO Box U 511E6 HigginsviIIe MO 64037 call 816 584-7121 U U U U U U U U U uEUUUUUUUUUEUUUUEUU December 1987 141 NEW LITTLE GIANTS ULTRALOK* Travel Air 2000 Span 79 Length 58875 Wing Loading 14 lbs19 oz Introductory Price $15495 Travel Air D4000 D4D Span 785 Length 5675 Wing Loading 1 5 lbs z Clip Wing Span695 Introductory Price $17495 Fleet Model 2 Span 68 Length 51 Wing Loading 1 3 lbs z Introductory Price $15495 5 Sport Scale Miniature Aircraft Kighl Prefab Kit Form Featuring F TRALOK onsiriltI ion Techniques Super Fast Assembi able QO 2 vcle 2 Cubic Inch Gas Quarter Scale Travel Air2000 104 23 lbs Travel Air 4000 9925 lbs Mark 4 JB Special Convertible ow Wing 18 lbs 1 plan 2 versions Biplane 18 lbsI Fokker D-VII 88 German WWI Fighter Biplane 23 lbs Waco UPF-790 Biplane 23 lbs Sopwith Tripehound 80 WWt Triplane 17 lbs Sopwith Pup 80 WWI Biplane 20 lbs kits complete contain fiberglass parts preformed landing gear cabanas machined ft die cut wood full hardware package Plans included comprehensive construc tion manual containIng photos end additional drawings Full rIgging kits requIrIng lIttle skill IncludedAlso Available Preformed Landing Gear Cabanes ORDERING INFO orders shipped UPS Parcel Post Add $10 shipping charge Allow 4 weeks delivery Checks MO payable Bebrlan Corp fastest service send Postal Money Order bank check No COD orders Call write information NY State residents add appropriate sales tax * 1 Ti PDA FF117 internotched self-aligning goof-proof assembly method Construction fast simple ULJ 1IIt1LiL1I1 OU will able frame airplane about 25 hours Jerrq Belirens Air Kit Experts Behrlan Corp PO Box 174 Inwood NY 11696 718 337-6987 516 868-5194 pressed below wings surface acts same washin wing covered plas tic films correction imbalance needs done before covering fiberglass resintype finishes extra coat resin half can help especially applied near tip Resin doesnt evaporate volume substance added remains place making quite easy balance method Adding coats dope effort balance wing can quite frustrating weight changes due evaporation dope solvents over long period time much like try ing balance props adding coats anything evaporates common fault Scale models propen sity toward tail-heaviness Knowing weight balsa sheets workshop helps divert less weighty materials aft keep tail light Its too easy grab first sheet stack re gardless density just because looks good fact seem excellent-choice balsa un less weight-watchers warning warn us Carl Goldberg Models plant ob served kits being assembled skilled workers deft touch picked up pieces balsa end determine whether well suited intended purpose No doubt some modelers could same weighing tech nique eliminates guessing FIBERGLASS PARTS Over 237 cowls kit scratch built models Also over 34 round cowls ranging 4 1 4-7/8 diameter 55 duff size & shape wheel pants custom Make Parts Vacuum Form Canopies Please seed $1 complete flat T&D FIBERBLASS SPECIALTIES 30925 Block Dept 4 Garden city Ml 48135 PHONE 3131 421-6358 BRAZED & HEATIREAIEO WIRE GEARS & CABANES PHONE 1313261-9064 Bob Dolly Wischer S-221 Lapham Peak Rd Delafield WI 53018 RC Soaring/Blakeslee Continued page 47 seventh place want com peting win 89 World Champion ships held home ground everyone agrees have work harder develop some new ideas Choosing entirely new group guys two yearshowever skilledis obviously get ting job done need programs spread formation F3B designs construction methods winches etc also need figure out get Sailplaners F3B-type flying en courage clubs hold events flown manon-man working time Fortunately Phil Renaud guys 87 team comtnitted continuing what have started helping new programs tf sufficient support form around country Eight people themselves cannot make win ning team supported team generously dollars 87 Champs Now need invest time thought well prepared 89 World Championships ideas would welcome Getting back Achmer moment first impression having watched 81 83 NE W US WWd 1 1WINUA6Rj KIT ONLY $7 95 MOVEABLE CONTROLS EASY ADJUSTMENT Hi PM TNi77 24 WI1VUSP4VI Wi DId 1r KIT ONLY $895 - - PECK UODILI EUUY DO FIVE MANY HARD TO FIND ITEMS FOR RUBBER MODELS - CPLEf CA FISH $2U Peck-Peymers BOX 2498 -MA LA MESA CA 92044 N...- PHONE t619 448-1818 142 Model Aviation championships overall pilot skills much better previous contests top half pilots outclassed bottom half Ach mer top half still betterbut much better teams knew what trying lacking equip ment experience top 10 pilots serious conten tion win top 20 very com petitive second impression airplane de signs have pretty much settled down influ ence RaIf Deckers planes very apparent Planes need about size need super strong get out modern slingshot-ping-zoom launch provided pow erful winches monofilament lines Sure subtle differences outward ap pearance planes pretty similar An interesting sidelight planes manufac tured Germany quite competitive Steve Work flew Comet made Hans Muller turned fastest Speed run contest 185 sec Herr Mullers planes feature wood wing skins over foam cores F/G Kevlar fuse lages workmanship simply beautiful Id like have hang living room objet dart Muller planes makes about 15 different ones can purchased country through Becker USA San Diego Write Dave Hice catalog 2820 Altaview Dr San -AlSO AEXONCA L16B/cHAI84 IN SPAN VULTEX BT-13 VALIANT 84 IN SPAIT K Full Kit $25000 $26000 $25000 $26000 $26000 $27500 $29000 $25000 AERONCA L3 FLYING SCAlESPORT NCA L3/EIHDER 105 IN 2 CYClE 90-13 II 4 CYClE 12-18 BOLIiD PlAN SETS-------- $20 EACH FIBERGlASS CGfLS------- *20 EACH ADD 12SHPINGNYS ADD 8TAX AERO PlANS elf PARTS PO BOX 939 OIEAN NY 14760 1 372