NO OCR TEXT / - -7vTL_ 2 r \ 4 3/ i CAU KID author after something small economical simple zesty perfor mance its Pee Wee 02 has much May say has soul THERE number considerations influenced design California Kid size live miles closest suitable free flight area gasoline costs skyrocketing wanted design something would fit comfortably under hood old VW Bug second consideration limited too limited power wanted design satisfying performance yet stopping short sometimes hair-raising behavior all-out competition machine thats things worked out just barely Cox Pee Wee swinging its prop around 18000 rpm just 3 ounces all-up weight California Kid anything docile fact will perform right alongside very best 020 Replica machines Simplicity third consideration After building number intricate AMA gas designs wanted produce plane would go together quickly easily also wanted keep gadgetry absolute minimumhence no VIT auto rudder timer keeping things simple added virtue keeping costs down idea becomes attractive day perhaps single greatest consideration appearance become increasingly interested Old Timer movement wanted create plane incorporated luscious curves ellipses found best Golden Age designs suppose would have easier have just selected fine 020 Replica kits currently available dropped Pee Wee engine gone flying didnt turn out single OT design liked thoroughly design well-shaped fuselage rudder would awkward looking contour pylon looked good wing would too fat went Finally since didnt have adhere contest specifications anyway decided design own Thc California Kid result Preparation Before getting building want devote some space often overlooked May 1980 61 N w w w w -J -j Co z -J 0 w N -J -J UF quick glance could assume the. gorgeousolers tne intruaing hand makes startling Some mighty good things come small packages subject preparation Much important work youll design other design will take place before ever cut out first part First make sure youve gathered up tools youll need minimum collection should include razor blades X-Acto knife several # 11 blades two sanding blocks medium fine 24-in steel straightedge pins glue Elmers fine epoxy building board dont already have building board have full gouges glue daubs let suggest using all building surface takes pins easily costs very little about $4 4 X 8 sheet can cut up whatever sizes best suit needs suggest drywall because peculiar building technique use glue plan directly onto building board using either rubber cement 3M spray adhesive available art supply stores Because conventional method taping plan down covering wax paper virtually assures glue joints will poorly aligned begin have ripply usually folded plan refuses lay flat board taped down top add wavy surface wax paper So building board itself flat surface youre actually working anything flat example wing ribs often tend ride up leading trailing edges instead being flush bottoms So glue plan down same reason never use wax paper over build directly onto plan glue joints have dried set just slide razor blade under balsa structure cut free plan sand off whatever paper may have stock underside joints elect try method youll find yourself rewarded warp-free accurately aligned assemblies note caution however dry wall has little strength its own sure place top hard flat surface Now about wood selection Ill start wing since normally what build first use medium weight strength material leading edge main wing panels very strong material used greater damage will occur Murphys Law guides ship tree miles around because LE before breaks will fracture ribs several inches either side point impact making repair difficult time-consum ing use light/medium wood TE maln panels TE will aft CG want keep light possible consistent adequate strength spars main panels use medium/hard material adequate wing span ribs should made medium weight C-grain 1/16 sheet can identi1r C-grain stock its speckled appearance 1/16 sheet usually comes 36-in lengths hold up light youll probably find some variation density between area another fine Use wood hardest part ribs center wing make ribs progressively lighter progress outward toward end panel wing tips lighten up everything couple degreeslight/medium LE light TE medium spars light/medium ribs Keeping wing tips light enables plane recover its lateral stability quickly after being upset lumpy air helps increase duration stabilizer rudder likewise built light possible Pee Wee engine prop weighs less ounce doesnt give much weight counterbalance heavy tail So keep light last thing want add ballast fuselage longerons should least medium/hard uprights spacers can medium light/medium balsa block behind firewall can light since forward CG wont hurt use heavier material Construction OK lets build thing Con struction quite straight-forward few prob lem areas Im just going cover some important details First wing Use cardboard scrap balsa make dihedral gauge shown plans Youll use position end ribs correct angles sure notch trailing edge indicated dont covering material will pull back edge down shrinks leaving wing sort peculiar undercamber Its best cut notches top spars after ribs have already glued place final shaping LE has completed Just lay straightedge across ribs mark cut cut notches before ribs place youre likely end up meandering spars look bad create internal Continued page 120 62 Model Aviation Looking down business end Pee Weethatturns prop 18000 all-up weightof just 31/2 ounces Its anything docile says designer wanted exhilarating flight stopped just short hair-raising performance all-out comp machine other extremity DT fuse pop-up stab absolute necessity Design philosophy emphasizes simplicityno VIT auto-rudder timer Its money saver GET MORE THRUST FOR YOUR BIGGIE WITH EFFICIENT DURABLE GLASSFILLED PROPS FROM D YNA THRUST Designed conjunction Dave Platt Now NEW NEW NEW ROPE STARTING IS SAFE AND EASY WITH DYNAHUB $1200 Shipped Replaces stock hub motors 5/16 NF thread including QUADRA HUSKY ROPER EVRA others Can USED WITH SPINNER drilled six bolt Direct sales prices include shipping 18- 6 18-8 $800 20-8 20-10 $2000 15-6 $500 16 inchers coming soonl FF Old Timers/Haught continued page 716 find makes valuable trouble shooting aid field component failure suspected simply disconnect aircraft ignition system hook up test box system allows isolate engine problems ignition component problems much same glow plug technique allows separation problems few additional tips building unit used shown Housing electronics supply houses experimenter box battery box coil secured silicone rubber bathtub caulking cement 200 volt 1/10 MFD Radio Shack capacitor soldered next coil capacitor itself epoxy cemented directly coil Alkaline D cells eliminate need booster batteries leads exit box first knotted inside box strain relief Alligator clips external leads simplify connections Another useful device trouble shooting volt-amp meter check presence current system Lacking such meter simple 3 volt test light can useful An inexpen sive can made 3 volt bulb bulb socket two short test leads Use aids determine battery condition current points short circuits ground Theres nothing mysterious about trouble shoot ing thorough systematic approach will get back air minimal time San Diego Aeroneers old San Diego Aeroneers out recapture distinction being club San Diego have newsletter going now issue received reproduction glow plug instructions Check MO VISA MC COD shipped UPS DYNATHRUST/Raymond Colleli 2541 NE 11th Court Pompano Beach FL 33062 Phone 305 941 -9119 Arden engines listed two mix-it-your self fuel formulas Formula reveals its ignition era ancestry 25% SAE 70 oil 50% white gasoline 25% No Nitrophane mixture reputed very satisfactory gasoline-base fuel critical Formula B consisting 25% castor oil 37% Methanol 3Th% Nitromethane described An especially recommended alco hol-base fuel very hot critical far todays popular blends Interesting say least can contact San Diego Aero neers 2879 Marathon Drive San Diego CA 92123 Cyke Manual Richard Corey PO Box 597 415 Homer Road Minden LA 71055 repro ducing Super Cyclone operating instructions Nicely done original color format booklet includes trouble shooting disassembly instructions well operating procedures some dimensioned drawings Cost 16 page manual $4 postpaid New event Well sort Bob Stalick well-known free flight circles author active AMA official originator SAM name Society promoting Old Timer Scale event Currently flown during indoor season Willamette Model Club Albany Oregon event calls rubber powered replica Old Timer Antique Gas Model Maximum wingspan 24 Judged fidelity original duration Engine compartment propeller judged Sounds like loads fun elimi nates old excuses cant find engine building room too small old times too much work etc Clarence Haught Rt 5 Box 16 CouerdAlene ID 83814 California Kid/Hopkins continued page 62 stresses well use 1/16 gussets top bottom will help prevent diagonal wrinkles fre quently appear corners top surface after covering front spar stabilizer made 1/32 sq spruce can found hobby shop deals model railroad equipment available 1/16 sq balsa works fine Take extra care cutting out notches stab ribs overlay trailing edge joints must snug stabilizer built glue has set thoroughly remove board sand its finished shape cover material choice done cut holes between center ribs rudder LE TE spar build rudder Dont attempt build stab rudder same time becausewith type construction covering will nightmare made single unit hole rudder made using 5/32 od aluminum tubing drilljust twisting back forth until cuts through done cut 3/32-in ring off end tube epoxy hole Before settle down work main part fuselage laminate hard 1/16 sheet andthe two sheets medium hard 1/32 sheetto gether balsa plywood youll use pylon mixture 50% white glue 50% water makes fine bonding agent Note grain direction 1/16 vertical before place sheets together sure pin down thor oughly ply will dry free warps Allow dry overnight Next cut out firewalldrill four holes mounting screws epoxy blind nuts onto back indicated plan insure perfect alignment bolt engine right firewall allow epoxy dry thoroughly youve ever built scale model youll find fuselage construction familiar Pin longerons first side place over plan cut out uprights glue position Now add diagonal braces being careful cut ends shown plan Build second side directly over first glue both sides has dried thoroughly cut apart sliding razor blade between Place sides top edges pin place over plan glue bulkheads * 1 #2 position taking care keep sides alignment dry glue sides together rear add top bottom spacers behind bulkhead #2 Now carve sand balsa noseblock correct shape glue place between two sides front bulkhead #1 joints have dried thoroughly remove partially completed fuselage building board glue two pieces TE stock top structure Check make sure youve left enough too much room pylon slip through glue firewall place certain firewall set left down thrust angles shown plan glue drying cut pylon subrudder final shapes Now add tiny spacer blocks bottom stringer glue pylon assembly position add top space blocks stringer Add subrudder except few bits pieces final sanding ready cover Covering I used transparent MonoKote 120 Model Aviation NEW FIREBALL GLOW PLUGS ARE LEAKPROOF AND BLOWOUT PROOF EVEN FOR THE NEW MONSTER ENGINES BUT THEY ARE STILL THE OLD PRICE OF $110 WRITE NOWI SWANSON P0 Box 151 Wayne NJ 07470 BARRONS SCALE CLASSICS PLANS & CONSTR MANUAL Curtiss Hawk P6E Stinson Reliant SR9 1/ASCALE 94SSP $2250 1ASCALE 12BSP $2500 2SCALE SISPAN $1250 2~CALE 34SPAN $1500 1jSCALE 4SP$10S0SCALE 63SPAN $ 1250 Curtiss FIIC2 Curtiss Gulfhawk IA LASCALE 945SP $3000 I/4SCALE 94SSP $3000 2SCALE B3SP $1500 aSCALE 63SP $1500 PLEASE ADD *200 FOR P/H SEND $100 WRITE FOR MAILING INFORMAtION INCLUDE $100CATALOGE FOR CATA LOSE ~iRRILJ 1213 HOLLY SPRINg LANE GRAND BLANC Mi 4R439 HOT STUFF' THE ORIGINAL HOBBY CYANOACRYLATE ADHESIVE just way YOU want HOT STUFFM ORIGINAL CLEAR FORMULA low viscositydeep penetration INSTANT BOND RATE 3 10 sec started 142 GR oz395 7 GR z225 567 GR 1200 HOT STUFFM GAP FILLING EU LINEEFILLETING POSITIONABLE EXCLUSIVE VISIBLE FORMULAHIGH VISCOSITY low viscositydeep penetrationTIMED BOND 10 25 sec INSTANT BOND RATE 3 10 secUse like regular glue wait 142 GR oz 495142GR Z 7 GR oz 5 ALL u AT YOUR DEALERS NOW 567 GR 2 oz 1200 HOT STUFFM ezt*i2&5e Oe9 PO BOX 836 VALLEY CALIFORNIA USA e 805 522-0062 frequently fly brush-covered riverbed felt puncture resistence Mono Kote worth slight bit added weight Besides looks great works easily over compound curves outer ends wing stabilizer fly favorable environment use lightweight Silkspan 00 Japanese tissue youll save few grams covering fuselage bottom first sides top finally pylon cover sequence overlaps will face downward leaving no ridges fuel settle fuselage covered temporarily stick round toothpicks holes fire wall paint whole front end epoxy will completely fuelproof built wing panels flat its during covering induce warps use MonoKote just iron twisting panel applying heat cooling rapidly cover paper setting warps little laborious since youll have shim after coat 50/50 dope rest panel pinned weighted down landing gear always pain LG California Kid no exception although its less troublesome like can bend two pieces wire LG however made up four pieces assembled two units plug aluminum tubes side fuselage secured little epoxy Whichever way choose go Id recom mend fastening rear legs front ones method Bend wires correct shapes glue together just dab epoxy has dried bind joints thor oughly copper wire Now take epoxy rub over through wire tech nique works fine plane weight Flying Now comes moment truththe first flight before ever leave home sure wing warps match plan CG correct location incidence wing stabilizer built correct angle want avoid flyaway youll have run some experiments fuel consumption might well home too Begin running engine enough warm up thoroughy take eyedropper short length fuel line end draw small amount fuel can squeeze empty tank 020s misers doesnt require much adjust needle valve setting youll using flight start engine time long runs have determined what amount fuel good say 20-second engine run make some kind mark dropper neck future reference procedure works fine about 50% time would nearly foolproof except fact reed valve englnes just happy running backwards forward start backwards least half time use starting spring supplied englne odds will improve considerably Now Out flying field mythical place deep grass no breeze some test glides Youre am- ing smooth flat glide will land about zi feet front plane dives down far short mark shim up rear stab 1/32 time until diving tendency disappears Keep adding negative incidence stab until plane begins stall back offjust bit should set go couple final notes glide First certain release correct plane should leave hand slight downward angle release nose high will stall no matter well poorly adjusted second plane seems exhibit tendency dive stall try again again may what observed first time resulted bad launch mist wind Finally youre ready send California Kid up under power commonly used method test new high performance free flight gas ship begin reduced power short engine runs observe carefullymake minute adjustments needed slowly work up optimum trim California Kid method can used initially placing prop backwards reduce thrust riching fuel mixture both reduces power shortens engine run its final trim under full power youll want plane fly up fairly tight right spiral followed transition open right-hand circle hangs prop shim bit downthrust straight-up climb looks sensational usually results horrible transition dips right its first spiral add hair left thrust flies left go hobby store balsa Pylon planes rarely fly left once Good luck California Kid sure light DT fuse flight 3 ounces theres just much reason ever come down C-i /Coronel continued page 68 landing gear bolted plywood access hatch approximately 10 length turn bolted eight bolts belly air craft allowed access hatch landing gear removed unit thus allowing additional service room adjustment tilt control mechanisms radio 4 tail aircraft extended approximately 3 using removable tail cone 3 length designed fuselage allowed rapid ob struction-free access rudder control horn necessary 5 stabilizer converted T-tail configuration necessary tre mendous changes airflow about lower tail portion aircraft could expected actuation transverse wing system elevator control mechanism consisted Nyrod flexible pushrod attached end elevator horn elevator servo other end Installation Nyrod required cutting curved slot top rear vertical stabilizer bottom front allowed Nyrod proceed relatively straight through fuselage servo front rear sections vertical stabilizer pinned wood board Nyrod epoxied full curved length between Thin balsa sheeting next applied both sides vertical stabilizer allowed dry horizontal stabilizer installed top vertical stabilizer ngles joints removable access hatch top elevator covered elevator control horn provided ability adjustment elevator tilt limits tail unit installed additional 3 rear fuselage ngle blocks added joint additional support Care taken give stabilizer zero-zero angle incidence primary wing Both controllable elevator rudder given 20% increase surface area engine cowl turned out diffi May 1980 121
Edition: Model Aviation - 1980/05
Page Numbers: 60, 61, 62, 120, 121
NO OCR TEXT / - -7vTL_ 2 r \ 4 3/ i CAU KID author after something small economical simple zesty perfor mance its Pee Wee 02 has much May say has soul THERE number considerations influenced design California Kid size live miles closest suitable free flight area gasoline costs skyrocketing wanted design something would fit comfortably under hood old VW Bug second consideration limited too limited power wanted design satisfying performance yet stopping short sometimes hair-raising behavior all-out competition machine thats things worked out just barely Cox Pee Wee swinging its prop around 18000 rpm just 3 ounces all-up weight California Kid anything docile fact will perform right alongside very best 020 Replica machines Simplicity third consideration After building number intricate AMA gas designs wanted produce plane would go together quickly easily also wanted keep gadgetry absolute minimumhence no VIT auto rudder timer keeping things simple added virtue keeping costs down idea becomes attractive day perhaps single greatest consideration appearance become increasingly interested Old Timer movement wanted create plane incorporated luscious curves ellipses found best Golden Age designs suppose would have easier have just selected fine 020 Replica kits currently available dropped Pee Wee engine gone flying didnt turn out single OT design liked thoroughly design well-shaped fuselage rudder would awkward looking contour pylon looked good wing would too fat went Finally since didnt have adhere contest specifications anyway decided design own Thc California Kid result Preparation Before getting building want devote some space often overlooked May 1980 61 N w w w w -J -j Co z -J 0 w N -J -J UF quick glance could assume the. gorgeousolers tne intruaing hand makes startling Some mighty good things come small packages subject preparation Much important work youll design other design will take place before ever cut out first part First make sure youve gathered up tools youll need minimum collection should include razor blades X-Acto knife several # 11 blades two sanding blocks medium fine 24-in steel straightedge pins glue Elmers fine epoxy building board dont already have building board have full gouges glue daubs let suggest using all building surface takes pins easily costs very little about $4 4 X 8 sheet can cut up whatever sizes best suit needs suggest drywall because peculiar building technique use glue plan directly onto building board using either rubber cement 3M spray adhesive available art supply stores Because conventional method taping plan down covering wax paper virtually assures glue joints will poorly aligned begin have ripply usually folded plan refuses lay flat board taped down top add wavy surface wax paper So building board itself flat surface youre actually working anything flat example wing ribs often tend ride up leading trailing edges instead being flush bottoms So glue plan down same reason never use wax paper over build directly onto plan glue joints have dried set just slide razor blade under balsa structure cut free plan sand off whatever paper may have stock underside joints elect try method youll find yourself rewarded warp-free accurately aligned assemblies note caution however dry wall has little strength its own sure place top hard flat surface Now about wood selection Ill start wing since normally what build first use medium weight strength material leading edge main wing panels very strong material used greater damage will occur Murphys Law guides ship tree miles around because LE before breaks will fracture ribs several inches either side point impact making repair difficult time-consum ing use light/medium wood TE maln panels TE will aft CG want keep light possible consistent adequate strength spars main panels use medium/hard material adequate wing span ribs should made medium weight C-grain 1/16 sheet can identi1r C-grain stock its speckled appearance 1/16 sheet usually comes 36-in lengths hold up light youll probably find some variation density between area another fine Use wood hardest part ribs center wing make ribs progressively lighter progress outward toward end panel wing tips lighten up everything couple degreeslight/medium LE light TE medium spars light/medium ribs Keeping wing tips light enables plane recover its lateral stability quickly after being upset lumpy air helps increase duration stabilizer rudder likewise built light possible Pee Wee engine prop weighs less ounce doesnt give much weight counterbalance heavy tail So keep light last thing want add ballast fuselage longerons should least medium/hard uprights spacers can medium light/medium balsa block behind firewall can light since forward CG wont hurt use heavier material Construction OK lets build thing Con struction quite straight-forward few prob lem areas Im just going cover some important details First wing Use cardboard scrap balsa make dihedral gauge shown plans Youll use position end ribs correct angles sure notch trailing edge indicated dont covering material will pull back edge down shrinks leaving wing sort peculiar undercamber Its best cut notches top spars after ribs have already glued place final shaping LE has completed Just lay straightedge across ribs mark cut cut notches before ribs place youre likely end up meandering spars look bad create internal Continued page 120 62 Model Aviation Looking down business end Pee Weethatturns prop 18000 all-up weightof just 31/2 ounces Its anything docile says designer wanted exhilarating flight stopped just short hair-raising performance all-out comp machine other extremity DT fuse pop-up stab absolute necessity Design philosophy emphasizes simplicityno VIT auto-rudder timer Its money saver GET MORE THRUST FOR YOUR BIGGIE WITH EFFICIENT DURABLE GLASSFILLED PROPS FROM D YNA THRUST Designed conjunction Dave Platt Now NEW NEW NEW ROPE STARTING IS SAFE AND EASY WITH DYNAHUB $1200 Shipped Replaces stock hub motors 5/16 NF thread including QUADRA HUSKY ROPER EVRA others Can USED WITH SPINNER drilled six bolt Direct sales prices include shipping 18- 6 18-8 $800 20-8 20-10 $2000 15-6 $500 16 inchers coming soonl FF Old Timers/Haught continued page 716 find makes valuable trouble shooting aid field component failure suspected simply disconnect aircraft ignition system hook up test box system allows isolate engine problems ignition component problems much same glow plug technique allows separation problems few additional tips building unit used shown Housing electronics supply houses experimenter box battery box coil secured silicone rubber bathtub caulking cement 200 volt 1/10 MFD Radio Shack capacitor soldered next coil capacitor itself epoxy cemented directly coil Alkaline D cells eliminate need booster batteries leads exit box first knotted inside box strain relief Alligator clips external leads simplify connections Another useful device trouble shooting volt-amp meter check presence current system Lacking such meter simple 3 volt test light can useful An inexpen sive can made 3 volt bulb bulb socket two short test leads Use aids determine battery condition current points short circuits ground Theres nothing mysterious about trouble shoot ing thorough systematic approach will get back air minimal time San Diego Aeroneers old San Diego Aeroneers out recapture distinction being club San Diego have newsletter going now issue received reproduction glow plug instructions Check MO VISA MC COD shipped UPS DYNATHRUST/Raymond Colleli 2541 NE 11th Court Pompano Beach FL 33062 Phone 305 941 -9119 Arden engines listed two mix-it-your self fuel formulas Formula reveals its ignition era ancestry 25% SAE 70 oil 50% white gasoline 25% No Nitrophane mixture reputed very satisfactory gasoline-base fuel critical Formula B consisting 25% castor oil 37% Methanol 3Th% Nitromethane described An especially recommended alco hol-base fuel very hot critical far todays popular blends Interesting say least can contact San Diego Aero neers 2879 Marathon Drive San Diego CA 92123 Cyke Manual Richard Corey PO Box 597 415 Homer Road Minden LA 71055 repro ducing Super Cyclone operating instructions Nicely done original color format booklet includes trouble shooting disassembly instructions well operating procedures some dimensioned drawings Cost 16 page manual $4 postpaid New event Well sort Bob Stalick well-known free flight circles author active AMA official originator SAM name Society promoting Old Timer Scale event Currently flown during indoor season Willamette Model Club Albany Oregon event calls rubber powered replica Old Timer Antique Gas Model Maximum wingspan 24 Judged fidelity original duration Engine compartment propeller judged Sounds like loads fun elimi nates old excuses cant find engine building room too small old times too much work etc Clarence Haught Rt 5 Box 16 CouerdAlene ID 83814 California Kid/Hopkins continued page 62 stresses well use 1/16 gussets top bottom will help prevent diagonal wrinkles fre quently appear corners top surface after covering front spar stabilizer made 1/32 sq spruce can found hobby shop deals model railroad equipment available 1/16 sq balsa works fine Take extra care cutting out notches stab ribs overlay trailing edge joints must snug stabilizer built glue has set thoroughly remove board sand its finished shape cover material choice done cut holes between center ribs rudder LE TE spar build rudder Dont attempt build stab rudder same time becausewith type construction covering will nightmare made single unit hole rudder made using 5/32 od aluminum tubing drilljust twisting back forth until cuts through done cut 3/32-in ring off end tube epoxy hole Before settle down work main part fuselage laminate hard 1/16 sheet andthe two sheets medium hard 1/32 sheetto gether balsa plywood youll use pylon mixture 50% white glue 50% water makes fine bonding agent Note grain direction 1/16 vertical before place sheets together sure pin down thor oughly ply will dry free warps Allow dry overnight Next cut out firewalldrill four holes mounting screws epoxy blind nuts onto back indicated plan insure perfect alignment bolt engine right firewall allow epoxy dry thoroughly youve ever built scale model youll find fuselage construction familiar Pin longerons first side place over plan cut out uprights glue position Now add diagonal braces being careful cut ends shown plan Build second side directly over first glue both sides has dried thoroughly cut apart sliding razor blade between Place sides top edges pin place over plan glue bulkheads * 1 #2 position taking care keep sides alignment dry glue sides together rear add top bottom spacers behind bulkhead #2 Now carve sand balsa noseblock correct shape glue place between two sides front bulkhead #1 joints have dried thoroughly remove partially completed fuselage building board glue two pieces TE stock top structure Check make sure youve left enough too much room pylon slip through glue firewall place certain firewall set left down thrust angles shown plan glue drying cut pylon subrudder final shapes Now add tiny spacer blocks bottom stringer glue pylon assembly position add top space blocks stringer Add subrudder except few bits pieces final sanding ready cover Covering I used transparent MonoKote 120 Model Aviation NEW FIREBALL GLOW PLUGS ARE LEAKPROOF AND BLOWOUT PROOF EVEN FOR THE NEW MONSTER ENGINES BUT THEY ARE STILL THE OLD PRICE OF $110 WRITE NOWI SWANSON P0 Box 151 Wayne NJ 07470 BARRONS SCALE CLASSICS PLANS & CONSTR MANUAL Curtiss Hawk P6E Stinson Reliant SR9 1/ASCALE 94SSP $2250 1ASCALE 12BSP $2500 2SCALE SISPAN $1250 2~CALE 34SPAN $1500 1jSCALE 4SP$10S0SCALE 63SPAN $ 1250 Curtiss FIIC2 Curtiss Gulfhawk IA LASCALE 945SP $3000 I/4SCALE 94SSP $3000 2SCALE B3SP $1500 aSCALE 63SP $1500 PLEASE ADD *200 FOR P/H SEND $100 WRITE FOR MAILING INFORMAtION INCLUDE $100CATALOGE FOR CATA LOSE ~iRRILJ 1213 HOLLY SPRINg LANE GRAND BLANC Mi 4R439 HOT STUFF' THE ORIGINAL HOBBY CYANOACRYLATE ADHESIVE just way YOU want HOT STUFFM ORIGINAL CLEAR FORMULA low viscositydeep penetration INSTANT BOND RATE 3 10 sec started 142 GR oz395 7 GR z225 567 GR 1200 HOT STUFFM GAP FILLING EU LINEEFILLETING POSITIONABLE EXCLUSIVE VISIBLE FORMULAHIGH VISCOSITY low viscositydeep penetrationTIMED BOND 10 25 sec INSTANT BOND RATE 3 10 secUse like regular glue wait 142 GR oz 495142GR Z 7 GR oz 5 ALL u AT YOUR DEALERS NOW 567 GR 2 oz 1200 HOT STUFFM ezt*i2&5e Oe9 PO BOX 836 VALLEY CALIFORNIA USA e 805 522-0062 frequently fly brush-covered riverbed felt puncture resistence Mono Kote worth slight bit added weight Besides looks great works easily over compound curves outer ends wing stabilizer fly favorable environment use lightweight Silkspan 00 Japanese tissue youll save few grams covering fuselage bottom first sides top finally pylon cover sequence overlaps will face downward leaving no ridges fuel settle fuselage covered temporarily stick round toothpicks holes fire wall paint whole front end epoxy will completely fuelproof built wing panels flat its during covering induce warps use MonoKote just iron twisting panel applying heat cooling rapidly cover paper setting warps little laborious since youll have shim after coat 50/50 dope rest panel pinned weighted down landing gear always pain LG California Kid no exception although its less troublesome like can bend two pieces wire LG however made up four pieces assembled two units plug aluminum tubes side fuselage secured little epoxy Whichever way choose go Id recom mend fastening rear legs front ones method Bend wires correct shapes glue together just dab epoxy has dried bind joints thor oughly copper wire Now take epoxy rub over through wire tech nique works fine plane weight Flying Now comes moment truththe first flight before ever leave home sure wing warps match plan CG correct location incidence wing stabilizer built correct angle want avoid flyaway youll have run some experiments fuel consumption might well home too Begin running engine enough warm up thoroughy take eyedropper short length fuel line end draw small amount fuel can squeeze empty tank 020s misers doesnt require much adjust needle valve setting youll using flight start engine time long runs have determined what amount fuel good say 20-second engine run make some kind mark dropper neck future reference procedure works fine about 50% time would nearly foolproof except fact reed valve englnes just happy running backwards forward start backwards least half time use starting spring supplied englne odds will improve considerably Now Out flying field mythical place deep grass no breeze some test glides Youre am- ing smooth flat glide will land about zi feet front plane dives down far short mark shim up rear stab 1/32 time until diving tendency disappears Keep adding negative incidence stab until plane begins stall back offjust bit should set go couple final notes glide First certain release correct plane should leave hand slight downward angle release nose high will stall no matter well poorly adjusted second plane seems exhibit tendency dive stall try again again may what observed first time resulted bad launch mist wind Finally youre ready send California Kid up under power commonly used method test new high performance free flight gas ship begin reduced power short engine runs observe carefullymake minute adjustments needed slowly work up optimum trim California Kid method can used initially placing prop backwards reduce thrust riching fuel mixture both reduces power shortens engine run its final trim under full power youll want plane fly up fairly tight right spiral followed transition open right-hand circle hangs prop shim bit downthrust straight-up climb looks sensational usually results horrible transition dips right its first spiral add hair left thrust flies left go hobby store balsa Pylon planes rarely fly left once Good luck California Kid sure light DT fuse flight 3 ounces theres just much reason ever come down C-i /Coronel continued page 68 landing gear bolted plywood access hatch approximately 10 length turn bolted eight bolts belly air craft allowed access hatch landing gear removed unit thus allowing additional service room adjustment tilt control mechanisms radio 4 tail aircraft extended approximately 3 using removable tail cone 3 length designed fuselage allowed rapid ob struction-free access rudder control horn necessary 5 stabilizer converted T-tail configuration necessary tre mendous changes airflow about lower tail portion aircraft could expected actuation transverse wing system elevator control mechanism consisted Nyrod flexible pushrod attached end elevator horn elevator servo other end Installation Nyrod required cutting curved slot top rear vertical stabilizer bottom front allowed Nyrod proceed relatively straight through fuselage servo front rear sections vertical stabilizer pinned wood board Nyrod epoxied full curved length between Thin balsa sheeting next applied both sides vertical stabilizer allowed dry horizontal stabilizer installed top vertical stabilizer ngles joints removable access hatch top elevator covered elevator control horn provided ability adjustment elevator tilt limits tail unit installed additional 3 rear fuselage ngle blocks added joint additional support Care taken give stabilizer zero-zero angle incidence primary wing Both controllable elevator rudder given 20% increase surface area engine cowl turned out diffi May 1980 121
Edition: Model Aviation - 1980/05
Page Numbers: 60, 61, 62, 120, 121
NO OCR TEXT / - -7vTL_ 2 r \ 4 3/ i CAU KID author after something small economical simple zesty perfor mance its Pee Wee 02 has much May say has soul THERE number considerations influenced design California Kid size live miles closest suitable free flight area gasoline costs skyrocketing wanted design something would fit comfortably under hood old VW Bug second consideration limited too limited power wanted design satisfying performance yet stopping short sometimes hair-raising behavior all-out competition machine thats things worked out just barely Cox Pee Wee swinging its prop around 18000 rpm just 3 ounces all-up weight California Kid anything docile fact will perform right alongside very best 020 Replica machines Simplicity third consideration After building number intricate AMA gas designs wanted produce plane would go together quickly easily also wanted keep gadgetry absolute minimumhence no VIT auto rudder timer keeping things simple added virtue keeping costs down idea becomes attractive day perhaps single greatest consideration appearance become increasingly interested Old Timer movement wanted create plane incorporated luscious curves ellipses found best Golden Age designs suppose would have easier have just selected fine 020 Replica kits currently available dropped Pee Wee engine gone flying didnt turn out single OT design liked thoroughly design well-shaped fuselage rudder would awkward looking contour pylon looked good wing would too fat went Finally since didnt have adhere contest specifications anyway decided design own Thc California Kid result Preparation Before getting building want devote some space often overlooked May 1980 61 N w w w w -J -j Co z -J 0 w N -J -J UF quick glance could assume the. gorgeousolers tne intruaing hand makes startling Some mighty good things come small packages subject preparation Much important work youll design other design will take place before ever cut out first part First make sure youve gathered up tools youll need minimum collection should include razor blades X-Acto knife several # 11 blades two sanding blocks medium fine 24-in steel straightedge pins glue Elmers fine epoxy building board dont already have building board have full gouges glue daubs let suggest using all building surface takes pins easily costs very little about $4 4 X 8 sheet can cut up whatever sizes best suit needs suggest drywall because peculiar building technique use glue plan directly onto building board using either rubber cement 3M spray adhesive available art supply stores Because conventional method taping plan down covering wax paper virtually assures glue joints will poorly aligned begin have ripply usually folded plan refuses lay flat board taped down top add wavy surface wax paper So building board itself flat surface youre actually working anything flat example wing ribs often tend ride up leading trailing edges instead being flush bottoms So glue plan down same reason never use wax paper over build directly onto plan glue joints have dried set just slide razor blade under balsa structure cut free plan sand off whatever paper may have stock underside joints elect try method youll find yourself rewarded warp-free accurately aligned assemblies note caution however dry wall has little strength its own sure place top hard flat surface Now about wood selection Ill start wing since normally what build first use medium weight strength material leading edge main wing panels very strong material used greater damage will occur Murphys Law guides ship tree miles around because LE before breaks will fracture ribs several inches either side point impact making repair difficult time-consum ing use light/medium wood TE maln panels TE will aft CG want keep light possible consistent adequate strength spars main panels use medium/hard material adequate wing span ribs should made medium weight C-grain 1/16 sheet can identi1r C-grain stock its speckled appearance 1/16 sheet usually comes 36-in lengths hold up light youll probably find some variation density between area another fine Use wood hardest part ribs center wing make ribs progressively lighter progress outward toward end panel wing tips lighten up everything couple degreeslight/medium LE light TE medium spars light/medium ribs Keeping wing tips light enables plane recover its lateral stability quickly after being upset lumpy air helps increase duration stabilizer rudder likewise built light possible Pee Wee engine prop weighs less ounce doesnt give much weight counterbalance heavy tail So keep light last thing want add ballast fuselage longerons should least medium/hard uprights spacers can medium light/medium balsa block behind firewall can light since forward CG wont hurt use heavier material Construction OK lets build thing Con struction quite straight-forward few prob lem areas Im just going cover some important details First wing Use cardboard scrap balsa make dihedral gauge shown plans Youll use position end ribs correct angles sure notch trailing edge indicated dont covering material will pull back edge down shrinks leaving wing sort peculiar undercamber Its best cut notches top spars after ribs have already glued place final shaping LE has completed Just lay straightedge across ribs mark cut cut notches before ribs place youre likely end up meandering spars look bad create internal Continued page 120 62 Model Aviation Looking down business end Pee Weethatturns prop 18000 all-up weightof just 31/2 ounces Its anything docile says designer wanted exhilarating flight stopped just short hair-raising performance all-out comp machine other extremity DT fuse pop-up stab absolute necessity Design philosophy emphasizes simplicityno VIT auto-rudder timer Its money saver GET MORE THRUST FOR YOUR BIGGIE WITH EFFICIENT DURABLE GLASSFILLED PROPS FROM D YNA THRUST Designed conjunction Dave Platt Now NEW NEW NEW ROPE STARTING IS SAFE AND EASY WITH DYNAHUB $1200 Shipped Replaces stock hub motors 5/16 NF thread including QUADRA HUSKY ROPER EVRA others Can USED WITH SPINNER drilled six bolt Direct sales prices include shipping 18- 6 18-8 $800 20-8 20-10 $2000 15-6 $500 16 inchers coming soonl FF Old Timers/Haught continued page 716 find makes valuable trouble shooting aid field component failure suspected simply disconnect aircraft ignition system hook up test box system allows isolate engine problems ignition component problems much same glow plug technique allows separation problems few additional tips building unit used shown Housing electronics supply houses experimenter box battery box coil secured silicone rubber bathtub caulking cement 200 volt 1/10 MFD Radio Shack capacitor soldered next coil capacitor itself epoxy cemented directly coil Alkaline D cells eliminate need booster batteries leads exit box first knotted inside box strain relief Alligator clips external leads simplify connections Another useful device trouble shooting volt-amp meter check presence current system Lacking such meter simple 3 volt test light can useful An inexpen sive can made 3 volt bulb bulb socket two short test leads Use aids determine battery condition current points short circuits ground Theres nothing mysterious about trouble shoot ing thorough systematic approach will get back air minimal time San Diego Aeroneers old San Diego Aeroneers out recapture distinction being club San Diego have newsletter going now issue received reproduction glow plug instructions Check MO VISA MC COD shipped UPS DYNATHRUST/Raymond Colleli 2541 NE 11th Court Pompano Beach FL 33062 Phone 305 941 -9119 Arden engines listed two mix-it-your self fuel formulas Formula reveals its ignition era ancestry 25% SAE 70 oil 50% white gasoline 25% No Nitrophane mixture reputed very satisfactory gasoline-base fuel critical Formula B consisting 25% castor oil 37% Methanol 3Th% Nitromethane described An especially recommended alco hol-base fuel very hot critical far todays popular blends Interesting say least can contact San Diego Aero neers 2879 Marathon Drive San Diego CA 92123 Cyke Manual Richard Corey PO Box 597 415 Homer Road Minden LA 71055 repro ducing Super Cyclone operating instructions Nicely done original color format booklet includes trouble shooting disassembly instructions well operating procedures some dimensioned drawings Cost 16 page manual $4 postpaid New event Well sort Bob Stalick well-known free flight circles author active AMA official originator SAM name Society promoting Old Timer Scale event Currently flown during indoor season Willamette Model Club Albany Oregon event calls rubber powered replica Old Timer Antique Gas Model Maximum wingspan 24 Judged fidelity original duration Engine compartment propeller judged Sounds like loads fun elimi nates old excuses cant find engine building room too small old times too much work etc Clarence Haught Rt 5 Box 16 CouerdAlene ID 83814 California Kid/Hopkins continued page 62 stresses well use 1/16 gussets top bottom will help prevent diagonal wrinkles fre quently appear corners top surface after covering front spar stabilizer made 1/32 sq spruce can found hobby shop deals model railroad equipment available 1/16 sq balsa works fine Take extra care cutting out notches stab ribs overlay trailing edge joints must snug stabilizer built glue has set thoroughly remove board sand its finished shape cover material choice done cut holes between center ribs rudder LE TE spar build rudder Dont attempt build stab rudder same time becausewith type construction covering will nightmare made single unit hole rudder made using 5/32 od aluminum tubing drilljust twisting back forth until cuts through done cut 3/32-in ring off end tube epoxy hole Before settle down work main part fuselage laminate hard 1/16 sheet andthe two sheets medium hard 1/32 sheetto gether balsa plywood youll use pylon mixture 50% white glue 50% water makes fine bonding agent Note grain direction 1/16 vertical before place sheets together sure pin down thor oughly ply will dry free warps Allow dry overnight Next cut out firewalldrill four holes mounting screws epoxy blind nuts onto back indicated plan insure perfect alignment bolt engine right firewall allow epoxy dry thoroughly youve ever built scale model youll find fuselage construction familiar Pin longerons first side place over plan cut out uprights glue position Now add diagonal braces being careful cut ends shown plan Build second side directly over first glue both sides has dried thoroughly cut apart sliding razor blade between Place sides top edges pin place over plan glue bulkheads * 1 #2 position taking care keep sides alignment dry glue sides together rear add top bottom spacers behind bulkhead #2 Now carve sand balsa noseblock correct shape glue place between two sides front bulkhead #1 joints have dried thoroughly remove partially completed fuselage building board glue two pieces TE stock top structure Check make sure youve left enough too much room pylon slip through glue firewall place certain firewall set left down thrust angles shown plan glue drying cut pylon subrudder final shapes Now add tiny spacer blocks bottom stringer glue pylon assembly position add top space blocks stringer Add subrudder except few bits pieces final sanding ready cover Covering I used transparent MonoKote 120 Model Aviation NEW FIREBALL GLOW PLUGS ARE LEAKPROOF AND BLOWOUT PROOF EVEN FOR THE NEW MONSTER ENGINES BUT THEY ARE STILL THE OLD PRICE OF $110 WRITE NOWI SWANSON P0 Box 151 Wayne NJ 07470 BARRONS SCALE CLASSICS PLANS & CONSTR MANUAL Curtiss Hawk P6E Stinson Reliant SR9 1/ASCALE 94SSP $2250 1ASCALE 12BSP $2500 2SCALE SISPAN $1250 2~CALE 34SPAN $1500 1jSCALE 4SP$10S0SCALE 63SPAN $ 1250 Curtiss FIIC2 Curtiss Gulfhawk IA LASCALE 945SP $3000 I/4SCALE 94SSP $3000 2SCALE B3SP $1500 aSCALE 63SP $1500 PLEASE ADD *200 FOR P/H SEND $100 WRITE FOR MAILING INFORMAtION INCLUDE $100CATALOGE FOR CATA LOSE ~iRRILJ 1213 HOLLY SPRINg LANE GRAND BLANC Mi 4R439 HOT STUFF' THE ORIGINAL HOBBY CYANOACRYLATE ADHESIVE just way YOU want HOT STUFFM ORIGINAL CLEAR FORMULA low viscositydeep penetration INSTANT BOND RATE 3 10 sec started 142 GR oz395 7 GR z225 567 GR 1200 HOT STUFFM GAP FILLING EU LINEEFILLETING POSITIONABLE EXCLUSIVE VISIBLE FORMULAHIGH VISCOSITY low viscositydeep penetrationTIMED BOND 10 25 sec INSTANT BOND RATE 3 10 secUse like regular glue wait 142 GR oz 495142GR Z 7 GR oz 5 ALL u AT YOUR DEALERS NOW 567 GR 2 oz 1200 HOT STUFFM ezt*i2&5e Oe9 PO BOX 836 VALLEY CALIFORNIA USA e 805 522-0062 frequently fly brush-covered riverbed felt puncture resistence Mono Kote worth slight bit added weight Besides looks great works easily over compound curves outer ends wing stabilizer fly favorable environment use lightweight Silkspan 00 Japanese tissue youll save few grams covering fuselage bottom first sides top finally pylon cover sequence overlaps will face downward leaving no ridges fuel settle fuselage covered temporarily stick round toothpicks holes fire wall paint whole front end epoxy will completely fuelproof built wing panels flat its during covering induce warps use MonoKote just iron twisting panel applying heat cooling rapidly cover paper setting warps little laborious since youll have shim after coat 50/50 dope rest panel pinned weighted down landing gear always pain LG California Kid no exception although its less troublesome like can bend two pieces wire LG however made up four pieces assembled two units plug aluminum tubes side fuselage secured little epoxy Whichever way choose go Id recom mend fastening rear legs front ones method Bend wires correct shapes glue together just dab epoxy has dried bind joints thor oughly copper wire Now take epoxy rub over through wire tech nique works fine plane weight Flying Now comes moment truththe first flight before ever leave home sure wing warps match plan CG correct location incidence wing stabilizer built correct angle want avoid flyaway youll have run some experiments fuel consumption might well home too Begin running engine enough warm up thoroughy take eyedropper short length fuel line end draw small amount fuel can squeeze empty tank 020s misers doesnt require much adjust needle valve setting youll using flight start engine time long runs have determined what amount fuel good say 20-second engine run make some kind mark dropper neck future reference procedure works fine about 50% time would nearly foolproof except fact reed valve englnes just happy running backwards forward start backwards least half time use starting spring supplied englne odds will improve considerably Now Out flying field mythical place deep grass no breeze some test glides Youre am- ing smooth flat glide will land about zi feet front plane dives down far short mark shim up rear stab 1/32 time until diving tendency disappears Keep adding negative incidence stab until plane begins stall back offjust bit should set go couple final notes glide First certain release correct plane should leave hand slight downward angle release nose high will stall no matter well poorly adjusted second plane seems exhibit tendency dive stall try again again may what observed first time resulted bad launch mist wind Finally youre ready send California Kid up under power commonly used method test new high performance free flight gas ship begin reduced power short engine runs observe carefullymake minute adjustments needed slowly work up optimum trim California Kid method can used initially placing prop backwards reduce thrust riching fuel mixture both reduces power shortens engine run its final trim under full power youll want plane fly up fairly tight right spiral followed transition open right-hand circle hangs prop shim bit downthrust straight-up climb looks sensational usually results horrible transition dips right its first spiral add hair left thrust flies left go hobby store balsa Pylon planes rarely fly left once Good luck California Kid sure light DT fuse flight 3 ounces theres just much reason ever come down C-i /Coronel continued page 68 landing gear bolted plywood access hatch approximately 10 length turn bolted eight bolts belly air craft allowed access hatch landing gear removed unit thus allowing additional service room adjustment tilt control mechanisms radio 4 tail aircraft extended approximately 3 using removable tail cone 3 length designed fuselage allowed rapid ob struction-free access rudder control horn necessary 5 stabilizer converted T-tail configuration necessary tre mendous changes airflow about lower tail portion aircraft could expected actuation transverse wing system elevator control mechanism consisted Nyrod flexible pushrod attached end elevator horn elevator servo other end Installation Nyrod required cutting curved slot top rear vertical stabilizer bottom front allowed Nyrod proceed relatively straight through fuselage servo front rear sections vertical stabilizer pinned wood board Nyrod epoxied full curved length between Thin balsa sheeting next applied both sides vertical stabilizer allowed dry horizontal stabilizer installed top vertical stabilizer ngles joints removable access hatch top elevator covered elevator control horn provided ability adjustment elevator tilt limits tail unit installed additional 3 rear fuselage ngle blocks added joint additional support Care taken give stabilizer zero-zero angle incidence primary wing Both controllable elevator rudder given 20% increase surface area engine cowl turned out diffi May 1980 121
Edition: Model Aviation - 1980/05
Page Numbers: 60, 61, 62, 120, 121
NO OCR TEXT / - -7vTL_ 2 r \ 4 3/ i CAU KID author after something small economical simple zesty perfor mance its Pee Wee 02 has much May say has soul THERE number considerations influenced design California Kid size live miles closest suitable free flight area gasoline costs skyrocketing wanted design something would fit comfortably under hood old VW Bug second consideration limited too limited power wanted design satisfying performance yet stopping short sometimes hair-raising behavior all-out competition machine thats things worked out just barely Cox Pee Wee swinging its prop around 18000 rpm just 3 ounces all-up weight California Kid anything docile fact will perform right alongside very best 020 Replica machines Simplicity third consideration After building number intricate AMA gas designs wanted produce plane would go together quickly easily also wanted keep gadgetry absolute minimumhence no VIT auto rudder timer keeping things simple added virtue keeping costs down idea becomes attractive day perhaps single greatest consideration appearance become increasingly interested Old Timer movement wanted create plane incorporated luscious curves ellipses found best Golden Age designs suppose would have easier have just selected fine 020 Replica kits currently available dropped Pee Wee engine gone flying didnt turn out single OT design liked thoroughly design well-shaped fuselage rudder would awkward looking contour pylon looked good wing would too fat went Finally since didnt have adhere contest specifications anyway decided design own Thc California Kid result Preparation Before getting building want devote some space often overlooked May 1980 61 N w w w w -J -j Co z -J 0 w N -J -J UF quick glance could assume the. gorgeousolers tne intruaing hand makes startling Some mighty good things come small packages subject preparation Much important work youll design other design will take place before ever cut out first part First make sure youve gathered up tools youll need minimum collection should include razor blades X-Acto knife several # 11 blades two sanding blocks medium fine 24-in steel straightedge pins glue Elmers fine epoxy building board dont already have building board have full gouges glue daubs let suggest using all building surface takes pins easily costs very little about $4 4 X 8 sheet can cut up whatever sizes best suit needs suggest drywall because peculiar building technique use glue plan directly onto building board using either rubber cement 3M spray adhesive available art supply stores Because conventional method taping plan down covering wax paper virtually assures glue joints will poorly aligned begin have ripply usually folded plan refuses lay flat board taped down top add wavy surface wax paper So building board itself flat surface youre actually working anything flat example wing ribs often tend ride up leading trailing edges instead being flush bottoms So glue plan down same reason never use wax paper over build directly onto plan glue joints have dried set just slide razor blade under balsa structure cut free plan sand off whatever paper may have stock underside joints elect try method youll find yourself rewarded warp-free accurately aligned assemblies note caution however dry wall has little strength its own sure place top hard flat surface Now about wood selection Ill start wing since normally what build first use medium weight strength material leading edge main wing panels very strong material used greater damage will occur Murphys Law guides ship tree miles around because LE before breaks will fracture ribs several inches either side point impact making repair difficult time-consum ing use light/medium wood TE maln panels TE will aft CG want keep light possible consistent adequate strength spars main panels use medium/hard material adequate wing span ribs should made medium weight C-grain 1/16 sheet can identi1r C-grain stock its speckled appearance 1/16 sheet usually comes 36-in lengths hold up light youll probably find some variation density between area another fine Use wood hardest part ribs center wing make ribs progressively lighter progress outward toward end panel wing tips lighten up everything couple degreeslight/medium LE light TE medium spars light/medium ribs Keeping wing tips light enables plane recover its lateral stability quickly after being upset lumpy air helps increase duration stabilizer rudder likewise built light possible Pee Wee engine prop weighs less ounce doesnt give much weight counterbalance heavy tail So keep light last thing want add ballast fuselage longerons should least medium/hard uprights spacers can medium light/medium balsa block behind firewall can light since forward CG wont hurt use heavier material Construction OK lets build thing Con struction quite straight-forward few prob lem areas Im just going cover some important details First wing Use cardboard scrap balsa make dihedral gauge shown plans Youll use position end ribs correct angles sure notch trailing edge indicated dont covering material will pull back edge down shrinks leaving wing sort peculiar undercamber Its best cut notches top spars after ribs have already glued place final shaping LE has completed Just lay straightedge across ribs mark cut cut notches before ribs place youre likely end up meandering spars look bad create internal Continued page 120 62 Model Aviation Looking down business end Pee Weethatturns prop 18000 all-up weightof just 31/2 ounces Its anything docile says designer wanted exhilarating flight stopped just short hair-raising performance all-out comp machine other extremity DT fuse pop-up stab absolute necessity Design philosophy emphasizes simplicityno VIT auto-rudder timer Its money saver GET MORE THRUST FOR YOUR BIGGIE WITH EFFICIENT DURABLE GLASSFILLED PROPS FROM D YNA THRUST Designed conjunction Dave Platt Now NEW NEW NEW ROPE STARTING IS SAFE AND EASY WITH DYNAHUB $1200 Shipped Replaces stock hub motors 5/16 NF thread including QUADRA HUSKY ROPER EVRA others Can USED WITH SPINNER drilled six bolt Direct sales prices include shipping 18- 6 18-8 $800 20-8 20-10 $2000 15-6 $500 16 inchers coming soonl FF Old Timers/Haught continued page 716 find makes valuable trouble shooting aid field component failure suspected simply disconnect aircraft ignition system hook up test box system allows isolate engine problems ignition component problems much same glow plug technique allows separation problems few additional tips building unit used shown Housing electronics supply houses experimenter box battery box coil secured silicone rubber bathtub caulking cement 200 volt 1/10 MFD Radio Shack capacitor soldered next coil capacitor itself epoxy cemented directly coil Alkaline D cells eliminate need booster batteries leads exit box first knotted inside box strain relief Alligator clips external leads simplify connections Another useful device trouble shooting volt-amp meter check presence current system Lacking such meter simple 3 volt test light can useful An inexpen sive can made 3 volt bulb bulb socket two short test leads Use aids determine battery condition current points short circuits ground Theres nothing mysterious about trouble shoot ing thorough systematic approach will get back air minimal time San Diego Aeroneers old San Diego Aeroneers out recapture distinction being club San Diego have newsletter going now issue received reproduction glow plug instructions Check MO VISA MC COD shipped UPS DYNATHRUST/Raymond Colleli 2541 NE 11th Court Pompano Beach FL 33062 Phone 305 941 -9119 Arden engines listed two mix-it-your self fuel formulas Formula reveals its ignition era ancestry 25% SAE 70 oil 50% white gasoline 25% No Nitrophane mixture reputed very satisfactory gasoline-base fuel critical Formula B consisting 25% castor oil 37% Methanol 3Th% Nitromethane described An especially recommended alco hol-base fuel very hot critical far todays popular blends Interesting say least can contact San Diego Aero neers 2879 Marathon Drive San Diego CA 92123 Cyke Manual Richard Corey PO Box 597 415 Homer Road Minden LA 71055 repro ducing Super Cyclone operating instructions Nicely done original color format booklet includes trouble shooting disassembly instructions well operating procedures some dimensioned drawings Cost 16 page manual $4 postpaid New event Well sort Bob Stalick well-known free flight circles author active AMA official originator SAM name Society promoting Old Timer Scale event Currently flown during indoor season Willamette Model Club Albany Oregon event calls rubber powered replica Old Timer Antique Gas Model Maximum wingspan 24 Judged fidelity original duration Engine compartment propeller judged Sounds like loads fun elimi nates old excuses cant find engine building room too small old times too much work etc Clarence Haught Rt 5 Box 16 CouerdAlene ID 83814 California Kid/Hopkins continued page 62 stresses well use 1/16 gussets top bottom will help prevent diagonal wrinkles fre quently appear corners top surface after covering front spar stabilizer made 1/32 sq spruce can found hobby shop deals model railroad equipment available 1/16 sq balsa works fine Take extra care cutting out notches stab ribs overlay trailing edge joints must snug stabilizer built glue has set thoroughly remove board sand its finished shape cover material choice done cut holes between center ribs rudder LE TE spar build rudder Dont attempt build stab rudder same time becausewith type construction covering will nightmare made single unit hole rudder made using 5/32 od aluminum tubing drilljust twisting back forth until cuts through done cut 3/32-in ring off end tube epoxy hole Before settle down work main part fuselage laminate hard 1/16 sheet andthe two sheets medium hard 1/32 sheetto gether balsa plywood youll use pylon mixture 50% white glue 50% water makes fine bonding agent Note grain direction 1/16 vertical before place sheets together sure pin down thor oughly ply will dry free warps Allow dry overnight Next cut out firewalldrill four holes mounting screws epoxy blind nuts onto back indicated plan insure perfect alignment bolt engine right firewall allow epoxy dry thoroughly youve ever built scale model youll find fuselage construction familiar Pin longerons first side place over plan cut out uprights glue position Now add diagonal braces being careful cut ends shown plan Build second side directly over first glue both sides has dried thoroughly cut apart sliding razor blade between Place sides top edges pin place over plan glue bulkheads * 1 #2 position taking care keep sides alignment dry glue sides together rear add top bottom spacers behind bulkhead #2 Now carve sand balsa noseblock correct shape glue place between two sides front bulkhead #1 joints have dried thoroughly remove partially completed fuselage building board glue two pieces TE stock top structure Check make sure youve left enough too much room pylon slip through glue firewall place certain firewall set left down thrust angles shown plan glue drying cut pylon subrudder final shapes Now add tiny spacer blocks bottom stringer glue pylon assembly position add top space blocks stringer Add subrudder except few bits pieces final sanding ready cover Covering I used transparent MonoKote 120 Model Aviation NEW FIREBALL GLOW PLUGS ARE LEAKPROOF AND BLOWOUT PROOF EVEN FOR THE NEW MONSTER ENGINES BUT THEY ARE STILL THE OLD PRICE OF $110 WRITE NOWI SWANSON P0 Box 151 Wayne NJ 07470 BARRONS SCALE CLASSICS PLANS & CONSTR MANUAL Curtiss Hawk P6E Stinson Reliant SR9 1/ASCALE 94SSP $2250 1ASCALE 12BSP $2500 2SCALE SISPAN $1250 2~CALE 34SPAN $1500 1jSCALE 4SP$10S0SCALE 63SPAN $ 1250 Curtiss FIIC2 Curtiss Gulfhawk IA LASCALE 945SP $3000 I/4SCALE 94SSP $3000 2SCALE B3SP $1500 aSCALE 63SP $1500 PLEASE ADD *200 FOR P/H SEND $100 WRITE FOR MAILING INFORMAtION INCLUDE $100CATALOGE FOR CATA LOSE ~iRRILJ 1213 HOLLY SPRINg LANE GRAND BLANC Mi 4R439 HOT STUFF' THE ORIGINAL HOBBY CYANOACRYLATE ADHESIVE just way YOU want HOT STUFFM ORIGINAL CLEAR FORMULA low viscositydeep penetration INSTANT BOND RATE 3 10 sec started 142 GR oz395 7 GR z225 567 GR 1200 HOT STUFFM GAP FILLING EU LINEEFILLETING POSITIONABLE EXCLUSIVE VISIBLE FORMULAHIGH VISCOSITY low viscositydeep penetrationTIMED BOND 10 25 sec INSTANT BOND RATE 3 10 secUse like regular glue wait 142 GR oz 495142GR Z 7 GR oz 5 ALL u AT YOUR DEALERS NOW 567 GR 2 oz 1200 HOT STUFFM ezt*i2&5e Oe9 PO BOX 836 VALLEY CALIFORNIA USA e 805 522-0062 frequently fly brush-covered riverbed felt puncture resistence Mono Kote worth slight bit added weight Besides looks great works easily over compound curves outer ends wing stabilizer fly favorable environment use lightweight Silkspan 00 Japanese tissue youll save few grams covering fuselage bottom first sides top finally pylon cover sequence overlaps will face downward leaving no ridges fuel settle fuselage covered temporarily stick round toothpicks holes fire wall paint whole front end epoxy will completely fuelproof built wing panels flat its during covering induce warps use MonoKote just iron twisting panel applying heat cooling rapidly cover paper setting warps little laborious since youll have shim after coat 50/50 dope rest panel pinned weighted down landing gear always pain LG California Kid no exception although its less troublesome like can bend two pieces wire LG however made up four pieces assembled two units plug aluminum tubes side fuselage secured little epoxy Whichever way choose go Id recom mend fastening rear legs front ones method Bend wires correct shapes glue together just dab epoxy has dried bind joints thor oughly copper wire Now take epoxy rub over through wire tech nique works fine plane weight Flying Now comes moment truththe first flight before ever leave home sure wing warps match plan CG correct location incidence wing stabilizer built correct angle want avoid flyaway youll have run some experiments fuel consumption might well home too Begin running engine enough warm up thoroughy take eyedropper short length fuel line end draw small amount fuel can squeeze empty tank 020s misers doesnt require much adjust needle valve setting youll using flight start engine time long runs have determined what amount fuel good say 20-second engine run make some kind mark dropper neck future reference procedure works fine about 50% time would nearly foolproof except fact reed valve englnes just happy running backwards forward start backwards least half time use starting spring supplied englne odds will improve considerably Now Out flying field mythical place deep grass no breeze some test glides Youre am- ing smooth flat glide will land about zi feet front plane dives down far short mark shim up rear stab 1/32 time until diving tendency disappears Keep adding negative incidence stab until plane begins stall back offjust bit should set go couple final notes glide First certain release correct plane should leave hand slight downward angle release nose high will stall no matter well poorly adjusted second plane seems exhibit tendency dive stall try again again may what observed first time resulted bad launch mist wind Finally youre ready send California Kid up under power commonly used method test new high performance free flight gas ship begin reduced power short engine runs observe carefullymake minute adjustments needed slowly work up optimum trim California Kid method can used initially placing prop backwards reduce thrust riching fuel mixture both reduces power shortens engine run its final trim under full power youll want plane fly up fairly tight right spiral followed transition open right-hand circle hangs prop shim bit downthrust straight-up climb looks sensational usually results horrible transition dips right its first spiral add hair left thrust flies left go hobby store balsa Pylon planes rarely fly left once Good luck California Kid sure light DT fuse flight 3 ounces theres just much reason ever come down C-i /Coronel continued page 68 landing gear bolted plywood access hatch approximately 10 length turn bolted eight bolts belly air craft allowed access hatch landing gear removed unit thus allowing additional service room adjustment tilt control mechanisms radio 4 tail aircraft extended approximately 3 using removable tail cone 3 length designed fuselage allowed rapid ob struction-free access rudder control horn necessary 5 stabilizer converted T-tail configuration necessary tre mendous changes airflow about lower tail portion aircraft could expected actuation transverse wing system elevator control mechanism consisted Nyrod flexible pushrod attached end elevator horn elevator servo other end Installation Nyrod required cutting curved slot top rear vertical stabilizer bottom front allowed Nyrod proceed relatively straight through fuselage servo front rear sections vertical stabilizer pinned wood board Nyrod epoxied full curved length between Thin balsa sheeting next applied both sides vertical stabilizer allowed dry horizontal stabilizer installed top vertical stabilizer ngles joints removable access hatch top elevator covered elevator control horn provided ability adjustment elevator tilt limits tail unit installed additional 3 rear fuselage ngle blocks added joint additional support Care taken give stabilizer zero-zero angle incidence primary wing Both controllable elevator rudder given 20% increase surface area engine cowl turned out diffi May 1980 121
Edition: Model Aviation - 1980/05
Page Numbers: 60, 61, 62, 120, 121
NO OCR TEXT / - -7vTL_ 2 r \ 4 3/ i CAU KID author after something small economical simple zesty perfor mance its Pee Wee 02 has much May say has soul THERE number considerations influenced design California Kid size live miles closest suitable free flight area gasoline costs skyrocketing wanted design something would fit comfortably under hood old VW Bug second consideration limited too limited power wanted design satisfying performance yet stopping short sometimes hair-raising behavior all-out competition machine thats things worked out just barely Cox Pee Wee swinging its prop around 18000 rpm just 3 ounces all-up weight California Kid anything docile fact will perform right alongside very best 020 Replica machines Simplicity third consideration After building number intricate AMA gas designs wanted produce plane would go together quickly easily also wanted keep gadgetry absolute minimumhence no VIT auto rudder timer keeping things simple added virtue keeping costs down idea becomes attractive day perhaps single greatest consideration appearance become increasingly interested Old Timer movement wanted create plane incorporated luscious curves ellipses found best Golden Age designs suppose would have easier have just selected fine 020 Replica kits currently available dropped Pee Wee engine gone flying didnt turn out single OT design liked thoroughly design well-shaped fuselage rudder would awkward looking contour pylon looked good wing would too fat went Finally since didnt have adhere contest specifications anyway decided design own Thc California Kid result Preparation Before getting building want devote some space often overlooked May 1980 61 N w w w w -J -j Co z -J 0 w N -J -J UF quick glance could assume the. gorgeousolers tne intruaing hand makes startling Some mighty good things come small packages subject preparation Much important work youll design other design will take place before ever cut out first part First make sure youve gathered up tools youll need minimum collection should include razor blades X-Acto knife several # 11 blades two sanding blocks medium fine 24-in steel straightedge pins glue Elmers fine epoxy building board dont already have building board have full gouges glue daubs let suggest using all building surface takes pins easily costs very little about $4 4 X 8 sheet can cut up whatever sizes best suit needs suggest drywall because peculiar building technique use glue plan directly onto building board using either rubber cement 3M spray adhesive available art supply stores Because conventional method taping plan down covering wax paper virtually assures glue joints will poorly aligned begin have ripply usually folded plan refuses lay flat board taped down top add wavy surface wax paper So building board itself flat surface youre actually working anything flat example wing ribs often tend ride up leading trailing edges instead being flush bottoms So glue plan down same reason never use wax paper over build directly onto plan glue joints have dried set just slide razor blade under balsa structure cut free plan sand off whatever paper may have stock underside joints elect try method youll find yourself rewarded warp-free accurately aligned assemblies note caution however dry wall has little strength its own sure place top hard flat surface Now about wood selection Ill start wing since normally what build first use medium weight strength material leading edge main wing panels very strong material used greater damage will occur Murphys Law guides ship tree miles around because LE before breaks will fracture ribs several inches either side point impact making repair difficult time-consum ing use light/medium wood TE maln panels TE will aft CG want keep light possible consistent adequate strength spars main panels use medium/hard material adequate wing span ribs should made medium weight C-grain 1/16 sheet can identi1r C-grain stock its speckled appearance 1/16 sheet usually comes 36-in lengths hold up light youll probably find some variation density between area another fine Use wood hardest part ribs center wing make ribs progressively lighter progress outward toward end panel wing tips lighten up everything couple degreeslight/medium LE light TE medium spars light/medium ribs Keeping wing tips light enables plane recover its lateral stability quickly after being upset lumpy air helps increase duration stabilizer rudder likewise built light possible Pee Wee engine prop weighs less ounce doesnt give much weight counterbalance heavy tail So keep light last thing want add ballast fuselage longerons should least medium/hard uprights spacers can medium light/medium balsa block behind firewall can light since forward CG wont hurt use heavier material Construction OK lets build thing Con struction quite straight-forward few prob lem areas Im just going cover some important details First wing Use cardboard scrap balsa make dihedral gauge shown plans Youll use position end ribs correct angles sure notch trailing edge indicated dont covering material will pull back edge down shrinks leaving wing sort peculiar undercamber Its best cut notches top spars after ribs have already glued place final shaping LE has completed Just lay straightedge across ribs mark cut cut notches before ribs place youre likely end up meandering spars look bad create internal Continued page 120 62 Model Aviation Looking down business end Pee Weethatturns prop 18000 all-up weightof just 31/2 ounces Its anything docile says designer wanted exhilarating flight stopped just short hair-raising performance all-out comp machine other extremity DT fuse pop-up stab absolute necessity Design philosophy emphasizes simplicityno VIT auto-rudder timer Its money saver GET MORE THRUST FOR YOUR BIGGIE WITH EFFICIENT DURABLE GLASSFILLED PROPS FROM D YNA THRUST Designed conjunction Dave Platt Now NEW NEW NEW ROPE STARTING IS SAFE AND EASY WITH DYNAHUB $1200 Shipped Replaces stock hub motors 5/16 NF thread including QUADRA HUSKY ROPER EVRA others Can USED WITH SPINNER drilled six bolt Direct sales prices include shipping 18- 6 18-8 $800 20-8 20-10 $2000 15-6 $500 16 inchers coming soonl FF Old Timers/Haught continued page 716 find makes valuable trouble shooting aid field component failure suspected simply disconnect aircraft ignition system hook up test box system allows isolate engine problems ignition component problems much same glow plug technique allows separation problems few additional tips building unit used shown Housing electronics supply houses experimenter box battery box coil secured silicone rubber bathtub caulking cement 200 volt 1/10 MFD Radio Shack capacitor soldered next coil capacitor itself epoxy cemented directly coil Alkaline D cells eliminate need booster batteries leads exit box first knotted inside box strain relief Alligator clips external leads simplify connections Another useful device trouble shooting volt-amp meter check presence current system Lacking such meter simple 3 volt test light can useful An inexpen sive can made 3 volt bulb bulb socket two short test leads Use aids determine battery condition current points short circuits ground Theres nothing mysterious about trouble shoot ing thorough systematic approach will get back air minimal time San Diego Aeroneers old San Diego Aeroneers out recapture distinction being club San Diego have newsletter going now issue received reproduction glow plug instructions Check MO VISA MC COD shipped UPS DYNATHRUST/Raymond Colleli 2541 NE 11th Court Pompano Beach FL 33062 Phone 305 941 -9119 Arden engines listed two mix-it-your self fuel formulas Formula reveals its ignition era ancestry 25% SAE 70 oil 50% white gasoline 25% No Nitrophane mixture reputed very satisfactory gasoline-base fuel critical Formula B consisting 25% castor oil 37% Methanol 3Th% Nitromethane described An especially recommended alco hol-base fuel very hot critical far todays popular blends Interesting say least can contact San Diego Aero neers 2879 Marathon Drive San Diego CA 92123 Cyke Manual Richard Corey PO Box 597 415 Homer Road Minden LA 71055 repro ducing Super Cyclone operating instructions Nicely done original color format booklet includes trouble shooting disassembly instructions well operating procedures some dimensioned drawings Cost 16 page manual $4 postpaid New event Well sort Bob Stalick well-known free flight circles author active AMA official originator SAM name Society promoting Old Timer Scale event Currently flown during indoor season Willamette Model Club Albany Oregon event calls rubber powered replica Old Timer Antique Gas Model Maximum wingspan 24 Judged fidelity original duration Engine compartment propeller judged Sounds like loads fun elimi nates old excuses cant find engine building room too small old times too much work etc Clarence Haught Rt 5 Box 16 CouerdAlene ID 83814 California Kid/Hopkins continued page 62 stresses well use 1/16 gussets top bottom will help prevent diagonal wrinkles fre quently appear corners top surface after covering front spar stabilizer made 1/32 sq spruce can found hobby shop deals model railroad equipment available 1/16 sq balsa works fine Take extra care cutting out notches stab ribs overlay trailing edge joints must snug stabilizer built glue has set thoroughly remove board sand its finished shape cover material choice done cut holes between center ribs rudder LE TE spar build rudder Dont attempt build stab rudder same time becausewith type construction covering will nightmare made single unit hole rudder made using 5/32 od aluminum tubing drilljust twisting back forth until cuts through done cut 3/32-in ring off end tube epoxy hole Before settle down work main part fuselage laminate hard 1/16 sheet andthe two sheets medium hard 1/32 sheetto gether balsa plywood youll use pylon mixture 50% white glue 50% water makes fine bonding agent Note grain direction 1/16 vertical before place sheets together sure pin down thor oughly ply will dry free warps Allow dry overnight Next cut out firewalldrill four holes mounting screws epoxy blind nuts onto back indicated plan insure perfect alignment bolt engine right firewall allow epoxy dry thoroughly youve ever built scale model youll find fuselage construction familiar Pin longerons first side place over plan cut out uprights glue position Now add diagonal braces being careful cut ends shown plan Build second side directly over first glue both sides has dried thoroughly cut apart sliding razor blade between Place sides top edges pin place over plan glue bulkheads * 1 #2 position taking care keep sides alignment dry glue sides together rear add top bottom spacers behind bulkhead #2 Now carve sand balsa noseblock correct shape glue place between two sides front bulkhead #1 joints have dried thoroughly remove partially completed fuselage building board glue two pieces TE stock top structure Check make sure youve left enough too much room pylon slip through glue firewall place certain firewall set left down thrust angles shown plan glue drying cut pylon subrudder final shapes Now add tiny spacer blocks bottom stringer glue pylon assembly position add top space blocks stringer Add subrudder except few bits pieces final sanding ready cover Covering I used transparent MonoKote 120 Model Aviation NEW FIREBALL GLOW PLUGS ARE LEAKPROOF AND BLOWOUT PROOF EVEN FOR THE NEW MONSTER ENGINES BUT THEY ARE STILL THE OLD PRICE OF $110 WRITE NOWI SWANSON P0 Box 151 Wayne NJ 07470 BARRONS SCALE CLASSICS PLANS & CONSTR MANUAL Curtiss Hawk P6E Stinson Reliant SR9 1/ASCALE 94SSP $2250 1ASCALE 12BSP $2500 2SCALE SISPAN $1250 2~CALE 34SPAN $1500 1jSCALE 4SP$10S0SCALE 63SPAN $ 1250 Curtiss FIIC2 Curtiss Gulfhawk IA LASCALE 945SP $3000 I/4SCALE 94SSP $3000 2SCALE B3SP $1500 aSCALE 63SP $1500 PLEASE ADD *200 FOR P/H SEND $100 WRITE FOR MAILING INFORMAtION INCLUDE $100CATALOGE FOR CATA LOSE ~iRRILJ 1213 HOLLY SPRINg LANE GRAND BLANC Mi 4R439 HOT STUFF' THE ORIGINAL HOBBY CYANOACRYLATE ADHESIVE just way YOU want HOT STUFFM ORIGINAL CLEAR FORMULA low viscositydeep penetration INSTANT BOND RATE 3 10 sec started 142 GR oz395 7 GR z225 567 GR 1200 HOT STUFFM GAP FILLING EU LINEEFILLETING POSITIONABLE EXCLUSIVE VISIBLE FORMULAHIGH VISCOSITY low viscositydeep penetrationTIMED BOND 10 25 sec INSTANT BOND RATE 3 10 secUse like regular glue wait 142 GR oz 495142GR Z 7 GR oz 5 ALL u AT YOUR DEALERS NOW 567 GR 2 oz 1200 HOT STUFFM ezt*i2&5e Oe9 PO BOX 836 VALLEY CALIFORNIA USA e 805 522-0062 frequently fly brush-covered riverbed felt puncture resistence Mono Kote worth slight bit added weight Besides looks great works easily over compound curves outer ends wing stabilizer fly favorable environment use lightweight Silkspan 00 Japanese tissue youll save few grams covering fuselage bottom first sides top finally pylon cover sequence overlaps will face downward leaving no ridges fuel settle fuselage covered temporarily stick round toothpicks holes fire wall paint whole front end epoxy will completely fuelproof built wing panels flat its during covering induce warps use MonoKote just iron twisting panel applying heat cooling rapidly cover paper setting warps little laborious since youll have shim after coat 50/50 dope rest panel pinned weighted down landing gear always pain LG California Kid no exception although its less troublesome like can bend two pieces wire LG however made up four pieces assembled two units plug aluminum tubes side fuselage secured little epoxy Whichever way choose go Id recom mend fastening rear legs front ones method Bend wires correct shapes glue together just dab epoxy has dried bind joints thor oughly copper wire Now take epoxy rub over through wire tech nique works fine plane weight Flying Now comes moment truththe first flight before ever leave home sure wing warps match plan CG correct location incidence wing stabilizer built correct angle want avoid flyaway youll have run some experiments fuel consumption might well home too Begin running engine enough warm up thoroughy take eyedropper short length fuel line end draw small amount fuel can squeeze empty tank 020s misers doesnt require much adjust needle valve setting youll using flight start engine time long runs have determined what amount fuel good say 20-second engine run make some kind mark dropper neck future reference procedure works fine about 50% time would nearly foolproof except fact reed valve englnes just happy running backwards forward start backwards least half time use starting spring supplied englne odds will improve considerably Now Out flying field mythical place deep grass no breeze some test glides Youre am- ing smooth flat glide will land about zi feet front plane dives down far short mark shim up rear stab 1/32 time until diving tendency disappears Keep adding negative incidence stab until plane begins stall back offjust bit should set go couple final notes glide First certain release correct plane should leave hand slight downward angle release nose high will stall no matter well poorly adjusted second plane seems exhibit tendency dive stall try again again may what observed first time resulted bad launch mist wind Finally youre ready send California Kid up under power commonly used method test new high performance free flight gas ship begin reduced power short engine runs observe carefullymake minute adjustments needed slowly work up optimum trim California Kid method can used initially placing prop backwards reduce thrust riching fuel mixture both reduces power shortens engine run its final trim under full power youll want plane fly up fairly tight right spiral followed transition open right-hand circle hangs prop shim bit downthrust straight-up climb looks sensational usually results horrible transition dips right its first spiral add hair left thrust flies left go hobby store balsa Pylon planes rarely fly left once Good luck California Kid sure light DT fuse flight 3 ounces theres just much reason ever come down C-i /Coronel continued page 68 landing gear bolted plywood access hatch approximately 10 length turn bolted eight bolts belly air craft allowed access hatch landing gear removed unit thus allowing additional service room adjustment tilt control mechanisms radio 4 tail aircraft extended approximately 3 using removable tail cone 3 length designed fuselage allowed rapid ob struction-free access rudder control horn necessary 5 stabilizer converted T-tail configuration necessary tre mendous changes airflow about lower tail portion aircraft could expected actuation transverse wing system elevator control mechanism consisted Nyrod flexible pushrod attached end elevator horn elevator servo other end Installation Nyrod required cutting curved slot top rear vertical stabilizer bottom front allowed Nyrod proceed relatively straight through fuselage servo front rear sections vertical stabilizer pinned wood board Nyrod epoxied full curved length between Thin balsa sheeting next applied both sides vertical stabilizer allowed dry horizontal stabilizer installed top vertical stabilizer ngles joints removable access hatch top elevator covered elevator control horn provided ability adjustment elevator tilt limits tail unit installed additional 3 rear fuselage ngle blocks added joint additional support Care taken give stabilizer zero-zero angle incidence primary wing Both controllable elevator rudder given 20% increase surface area engine cowl turned out diffi May 1980 121