Control S ilIAC Racing Bill Lee THE 1981 NATS rapidly approaching being couple months away time read couple columns back indicated would fly fun events Texas area Super Slow Rat Race un official event Now word comes Rocky Mountain Aeromodelers Denver have requested another event Big Goodyear also flown unofficial event Big Goodyear event spawned Southwest has become popular event flown contests area As example Buckeye January year Big Goodyear claimed 18 entries compared 10-12 other racing events Additionally event has also caught several other areas countryI have heard event being flown far away New England states Russ Brown Rocky Mountain Aero modelers called other night relayed information would sponsoring two separate classes Big Goodyear Class being open engine satisfies engine rules event Class II restricted front-intake single-bypass PDP ok engines Fox Combat Special being added class everbodys benefit am reprinting existing rules Big Goodyearas will flown Nats Big Goodyear Bia Goodyear intended racing event beginners may compete more-or-less basis experienced competitors using models resemble real airplanes end philosophy simplicity realism readily-available equipment has adopted intent airplane kit engine built/used come out box recognized parts break reason able substitutions should allowed 1 All regulations AMA Rat Racing shall apply except specified below 2 The airplane must commerically-avail able profile kit having side-mounted engine rudder stab elevator canopy minimum 375 square inches wing area mini mum two-wheel landing gear shown plans Any size wheels may used landing gear modifications shown plans per mitted long least two wheels used 3 Contemporary building techniques ma terials change design may used reinforce strength model Substituting wood lengthening motor mounts enlarging plywood doublers strengthen ing bellcrank mount permitted Sheet ing wing leading edge unless called plans permitted 4 Planes should brightly painted Junior Uoodyearwlnners anne uo Nets kneel ing Tim Ong 1st CL Mitchell Cleveland 2nd R Jimmy Ricketts 3rd canopy should outlined painted contrast ing color No clear finishes permitted 5 Planes must have racing numbers side fuselage rudder upper left inboard wing 6 Engines shall limited commerically produced engines maximum stock displace ment of36 cu No destroked debored 40s permitted No pressure systems exhaust extensions permitted Mufflers may used engines supplied 7 Tanks shall limited maximum capa city two oz Vents may bent relocated take advantage airstream Uni-flow tanks permitted Tanks must filled through vent having maximum outside diameter no Ys 8 No hot gloves internal line connectors permitted Fuel shutoffs may present aircraft cannot used during course race Use fuel shutotiduring race will result disqualification However once race completed shutoff may used terminate flight penalty 9 Propellers shall limited commer cially available 9-in diameter 7-in pitch size shall re-worked except balancing 10 Lines shall stranded have mini mum diameter 018 distance center airplane center handle Continued page 129 July 1981 57 Senior Goodyearwinners 80 Nats kneel ing Tom Fluker 1st L Doug Hinkley 3rd R Bill Hughes 2nd can Fluker go fast such small engine plane ne arnoen nacing learn Ifl action IL nargia ropb LdiTlU~L bFIUb 111 ui LIIUII IIUIIPIll bull lJI.P IIUIUb VII liUy LU dliiUli thU DUblifl AMA racing event having won Rat Goodyear recent Nets Daytona oUai.rl Point Orange FL enjoyable compete Nats however event directors judges both flight static would no Nats have desire compete someday experience information gained judging can ex tremely important developing competitive air craft future year will selecting Scale team both Control Line RC 1982 Scale World Championships tentative ly held Russia important get qualified help static flight judging Any body interested please contact John Preston mail 7012 Elvira Court Falls Church VA 22042 call 703 532-2417 office phone 301 492-6604 can help just little will much appreciated Duplicating machine guns pictures month machine gun cannon used Zero cannon left formed using aluminum tubing placed against block wood awl driven end expand cannon flash suppressor muzzle giving th bell mouth effect method simple very quick two attempts being necessary duplicate initial cannon air-cooled machine gun barrel pictured formed using several sizes brass tubing outer size brass tubing -in multiple holes drilled through give air-cooled barrel effect end being slotted hammered dowp inside cone Cox TD half-A propeller spinner compress tube smallest diameter barrel itself -in diameter brass tubing has supported center -in tubing small rings telescoped brass tubing appropriate diameters go -in -in Again very simple quite easy duplicate painted Testors enamel steel metal grey Although fuelproof no problems have encountered Richard Bryon 2506 So 161st Circle Omaha NE 68130 402 333-0796 CL Racing/Lee Continued page 57 shall 60 ft ntrol system shall subjected pull test 35 pounds 11 One pit stop required current hot set-up Big Goodyear still Tune-Hill 36 running Ringmaster engine gives very good range along much horsepower other engine available Ringmaster model just meets rules size appears trick plane use particular current kit Ringmaster uses modem wing con struction method original including sheeted leading edge rather solid club old kit Because limited fuel capacity rule fuel mixing definiate part event number chemicals can help some readily available others have found xylol reasonable range extender used about 1045% fuel can purchased Cooks paint store Cooks #357 Thinner Another chemical ethanol grain alcohol kind found mixed drink Word Big Boys Denver fuel doesnt contain anything cant buy hobby shop liquor store own setup Big Goodyear Ringmaster K&B front rotor 58 used venturi K&B 35 U/C motor standard K&B spraybar needle valve venturi has FACTOR Y AUTHORIZED SER VICE FOR ALL OF THE FOLLOWING BRANDS Ace Aero Sport Cannon Cirrus Kraft*Pro LineRS Systems* World EnginesOrbitRoyal EK LogictrolMathes*Simprop Micro AvionicsMRCJerobee *ALSO WARRANTY SERVICE QUALITYSER VICE FOR ALL BRANDS Z Don McCarthy Factory trained technicians over 15 years Radio Control Electronics HOURS Closed Sun & Mon lOam-S pmWedFri lOam-6pm Sat 10 am-2 pm 714 639-8886 941 N MAIN ST. ORANGE CALIFORNIA 92667 July 1981 129 -- M 1/zA ATD Brake Kit no 101 $275 size U FAi AB Brake Kit no 102 $325 B ake Kit no 103 $375 1 ea size $8503 FAI Adaptor Cox 15 kit no 107 $150 used Kit no 102 PA Residents Add 6% Sales Tax K&W ENTERPRISES 7824 Lexington Ave Philadelphia Penna 19152 \uthodzed IQdio CntvoI ervice 1 LACEY Al-b 11 PEANUT KITS $495 EACH LACEY MIOCOUGARMUSTANG PIETENPOLGIPSY MOTHZERO PIPER CUBGANAGOBIEMILES MIB ANDRESONDRUINE COAIPLETE C4T#U0G $100 HARD TO FIND ACCESSORIES KITS AND PLANS FOR RUBBER POWERED MODELS P 0 BOX 24MA pp w*Sn.wwMMAF LA MESA CALIF 92041 \ ONE 714 4699975 o 714 4424636 diameter about 345 needle valve assembly being 155-in thick engine will draw adequately setup although initial acceleration burst will sometimes cause engine sageven die once awhile fuel same fuel use AMA Slow Rat 60% nitro 20% oil 20% alky am able run 47-48 laps mixture 7lap time mid high iSs know kind setup fly Big Goodyear normally run never have $18500 claimed normal may recall year ago reported Buckeye contest January Arizona suggested Big Goodyear competitors going faster pitting oftenbut betterwould yield winning combination True way race run still audacity suggest maybe better way Well year combination won Big Goodyear Buck eye aK&BS8 onaRingmasterrunningmidto high iSs 47-48 laps tank twogood pits Will Nats see repeat see W R Lee 3522 Tamarisk Lane Missouri City TX 77459 CL Combat/Johnson Continued page 58 vent line open air assumed feed line open too feed line should pick up fuel outboard rear portion tank exit position tank should determined engine/needle valve configuration dont aim cylinder head Put vent line inboard feed line slightly front it outboard air coming might get sucked feed line rather fuel Exit location didnt make difference far running preferred location inboard side avoid siphoning fuel 2 Tank width didnt make much difference Randys tank about widest because ofthe pronounced wedge really didnt suffer much change setting during run Variations ventingand particularly condi tion enginehad greater effect 3 Brass tanks fall apart rather easily 4 Either use tank large enough run entire five minutes gives around two half minutes anything less five minutes youll have make pit stop anyway carry around excess weight nose plane As guide found fuel-efficient Tigre 35 used about ounce per minute bushing Tigre used over two ounces per minute high state tune thirsty engine tried Fast Combat Tigre gulped 32 ounces 50% nitroin 40 seconds 5 I tried steel wool pieces foam tank cut down fuel sloshing around no change Save cleaning pots pans 6 Clunk tanks worked better additional line put vent tube tied pickup weight gave about same effect uniflow tank having vent always fuel found some silicone tubing Indy RC worked well small diameter flexible stays 10000 mile roadtestofthe Fox15/Cartier Tantrum model still progress after year half still going strong love flying setup because trouble-free now have Cartier exposed-leadout Slow Combat model Tigre 35 looks like another winner 15 model gets 10-14 minutes flying time 130 Model Aviation EXCITING NEW KITS AND 80% COMPLETED AftF R/C MODELS . FROM THE BEST IN JAPAN! CANDY TWISTER YAMATO 80% completed factory built tnodels traditional balsa plywood ma teria shown photo right SKY MATE complete kit al/parts pre cut exact size Add $200 kit postage handling Arizona residents add 4% Sales Tax Color Catalog Items $200 [iiTRON 344 Lnndon Rridge Plaza Suite D 6403 Republic Seabee Grumman Widgeon $25000 PBY-5 Catalina $40000 See Dealer Mr Gs Products & Supply 1010 Gratiot Marysville Ml 48040
Edition: Model Aviation - 1981/07
Page Numbers: 57, 129, 130
Control S ilIAC Racing Bill Lee THE 1981 NATS rapidly approaching being couple months away time read couple columns back indicated would fly fun events Texas area Super Slow Rat Race un official event Now word comes Rocky Mountain Aeromodelers Denver have requested another event Big Goodyear also flown unofficial event Big Goodyear event spawned Southwest has become popular event flown contests area As example Buckeye January year Big Goodyear claimed 18 entries compared 10-12 other racing events Additionally event has also caught several other areas countryI have heard event being flown far away New England states Russ Brown Rocky Mountain Aero modelers called other night relayed information would sponsoring two separate classes Big Goodyear Class being open engine satisfies engine rules event Class II restricted front-intake single-bypass PDP ok engines Fox Combat Special being added class everbodys benefit am reprinting existing rules Big Goodyearas will flown Nats Big Goodyear Bia Goodyear intended racing event beginners may compete more-or-less basis experienced competitors using models resemble real airplanes end philosophy simplicity realism readily-available equipment has adopted intent airplane kit engine built/used come out box recognized parts break reason able substitutions should allowed 1 All regulations AMA Rat Racing shall apply except specified below 2 The airplane must commerically-avail able profile kit having side-mounted engine rudder stab elevator canopy minimum 375 square inches wing area mini mum two-wheel landing gear shown plans Any size wheels may used landing gear modifications shown plans per mitted long least two wheels used 3 Contemporary building techniques ma terials change design may used reinforce strength model Substituting wood lengthening motor mounts enlarging plywood doublers strengthen ing bellcrank mount permitted Sheet ing wing leading edge unless called plans permitted 4 Planes should brightly painted Junior Uoodyearwlnners anne uo Nets kneel ing Tim Ong 1st CL Mitchell Cleveland 2nd R Jimmy Ricketts 3rd canopy should outlined painted contrast ing color No clear finishes permitted 5 Planes must have racing numbers side fuselage rudder upper left inboard wing 6 Engines shall limited commerically produced engines maximum stock displace ment of36 cu No destroked debored 40s permitted No pressure systems exhaust extensions permitted Mufflers may used engines supplied 7 Tanks shall limited maximum capa city two oz Vents may bent relocated take advantage airstream Uni-flow tanks permitted Tanks must filled through vent having maximum outside diameter no Ys 8 No hot gloves internal line connectors permitted Fuel shutoffs may present aircraft cannot used during course race Use fuel shutotiduring race will result disqualification However once race completed shutoff may used terminate flight penalty 9 Propellers shall limited commer cially available 9-in diameter 7-in pitch size shall re-worked except balancing 10 Lines shall stranded have mini mum diameter 018 distance center airplane center handle Continued page 129 July 1981 57 Senior Goodyearwinners 80 Nats kneel ing Tom Fluker 1st L Doug Hinkley 3rd R Bill Hughes 2nd can Fluker go fast such small engine plane ne arnoen nacing learn Ifl action IL nargia ropb LdiTlU~L bFIUb 111 ui LIIUII IIUIIPIll bull lJI.P IIUIUb VII liUy LU dliiUli thU DUblifl AMA racing event having won Rat Goodyear recent Nets Daytona oUai.rl Point Orange FL enjoyable compete Nats however event directors judges both flight static would no Nats have desire compete someday experience information gained judging can ex tremely important developing competitive air craft future year will selecting Scale team both Control Line RC 1982 Scale World Championships tentative ly held Russia important get qualified help static flight judging Any body interested please contact John Preston mail 7012 Elvira Court Falls Church VA 22042 call 703 532-2417 office phone 301 492-6604 can help just little will much appreciated Duplicating machine guns pictures month machine gun cannon used Zero cannon left formed using aluminum tubing placed against block wood awl driven end expand cannon flash suppressor muzzle giving th bell mouth effect method simple very quick two attempts being necessary duplicate initial cannon air-cooled machine gun barrel pictured formed using several sizes brass tubing outer size brass tubing -in multiple holes drilled through give air-cooled barrel effect end being slotted hammered dowp inside cone Cox TD half-A propeller spinner compress tube smallest diameter barrel itself -in diameter brass tubing has supported center -in tubing small rings telescoped brass tubing appropriate diameters go -in -in Again very simple quite easy duplicate painted Testors enamel steel metal grey Although fuelproof no problems have encountered Richard Bryon 2506 So 161st Circle Omaha NE 68130 402 333-0796 CL Racing/Lee Continued page 57 shall 60 ft ntrol system shall subjected pull test 35 pounds 11 One pit stop required current hot set-up Big Goodyear still Tune-Hill 36 running Ringmaster engine gives very good range along much horsepower other engine available Ringmaster model just meets rules size appears trick plane use particular current kit Ringmaster uses modem wing con struction method original including sheeted leading edge rather solid club old kit Because limited fuel capacity rule fuel mixing definiate part event number chemicals can help some readily available others have found xylol reasonable range extender used about 1045% fuel can purchased Cooks paint store Cooks #357 Thinner Another chemical ethanol grain alcohol kind found mixed drink Word Big Boys Denver fuel doesnt contain anything cant buy hobby shop liquor store own setup Big Goodyear Ringmaster K&B front rotor 58 used venturi K&B 35 U/C motor standard K&B spraybar needle valve venturi has FACTOR Y AUTHORIZED SER VICE FOR ALL OF THE FOLLOWING BRANDS Ace Aero Sport Cannon Cirrus Kraft*Pro LineRS Systems* World EnginesOrbitRoyal EK LogictrolMathes*Simprop Micro AvionicsMRCJerobee *ALSO WARRANTY SERVICE QUALITYSER VICE FOR ALL BRANDS Z Don McCarthy Factory trained technicians over 15 years Radio Control Electronics HOURS Closed Sun & Mon lOam-S pmWedFri lOam-6pm Sat 10 am-2 pm 714 639-8886 941 N MAIN ST. ORANGE CALIFORNIA 92667 July 1981 129 -- M 1/zA ATD Brake Kit no 101 $275 size U FAi AB Brake Kit no 102 $325 B ake Kit no 103 $375 1 ea size $8503 FAI Adaptor Cox 15 kit no 107 $150 used Kit no 102 PA Residents Add 6% Sales Tax K&W ENTERPRISES 7824 Lexington Ave Philadelphia Penna 19152 \uthodzed IQdio CntvoI ervice 1 LACEY Al-b 11 PEANUT KITS $495 EACH LACEY MIOCOUGARMUSTANG PIETENPOLGIPSY MOTHZERO PIPER CUBGANAGOBIEMILES MIB ANDRESONDRUINE COAIPLETE C4T#U0G $100 HARD TO FIND ACCESSORIES KITS AND PLANS FOR RUBBER POWERED MODELS P 0 BOX 24MA pp w*Sn.wwMMAF LA MESA CALIF 92041 \ ONE 714 4699975 o 714 4424636 diameter about 345 needle valve assembly being 155-in thick engine will draw adequately setup although initial acceleration burst will sometimes cause engine sageven die once awhile fuel same fuel use AMA Slow Rat 60% nitro 20% oil 20% alky am able run 47-48 laps mixture 7lap time mid high iSs know kind setup fly Big Goodyear normally run never have $18500 claimed normal may recall year ago reported Buckeye contest January Arizona suggested Big Goodyear competitors going faster pitting oftenbut betterwould yield winning combination True way race run still audacity suggest maybe better way Well year combination won Big Goodyear Buck eye aK&BS8 onaRingmasterrunningmidto high iSs 47-48 laps tank twogood pits Will Nats see repeat see W R Lee 3522 Tamarisk Lane Missouri City TX 77459 CL Combat/Johnson Continued page 58 vent line open air assumed feed line open too feed line should pick up fuel outboard rear portion tank exit position tank should determined engine/needle valve configuration dont aim cylinder head Put vent line inboard feed line slightly front it outboard air coming might get sucked feed line rather fuel Exit location didnt make difference far running preferred location inboard side avoid siphoning fuel 2 Tank width didnt make much difference Randys tank about widest because ofthe pronounced wedge really didnt suffer much change setting during run Variations ventingand particularly condi tion enginehad greater effect 3 Brass tanks fall apart rather easily 4 Either use tank large enough run entire five minutes gives around two half minutes anything less five minutes youll have make pit stop anyway carry around excess weight nose plane As guide found fuel-efficient Tigre 35 used about ounce per minute bushing Tigre used over two ounces per minute high state tune thirsty engine tried Fast Combat Tigre gulped 32 ounces 50% nitroin 40 seconds 5 I tried steel wool pieces foam tank cut down fuel sloshing around no change Save cleaning pots pans 6 Clunk tanks worked better additional line put vent tube tied pickup weight gave about same effect uniflow tank having vent always fuel found some silicone tubing Indy RC worked well small diameter flexible stays 10000 mile roadtestofthe Fox15/Cartier Tantrum model still progress after year half still going strong love flying setup because trouble-free now have Cartier exposed-leadout Slow Combat model Tigre 35 looks like another winner 15 model gets 10-14 minutes flying time 130 Model Aviation EXCITING NEW KITS AND 80% COMPLETED AftF R/C MODELS . FROM THE BEST IN JAPAN! CANDY TWISTER YAMATO 80% completed factory built tnodels traditional balsa plywood ma teria shown photo right SKY MATE complete kit al/parts pre cut exact size Add $200 kit postage handling Arizona residents add 4% Sales Tax Color Catalog Items $200 [iiTRON 344 Lnndon Rridge Plaza Suite D 6403 Republic Seabee Grumman Widgeon $25000 PBY-5 Catalina $40000 See Dealer Mr Gs Products & Supply 1010 Gratiot Marysville Ml 48040
Edition: Model Aviation - 1981/07
Page Numbers: 57, 129, 130
Control S ilIAC Racing Bill Lee THE 1981 NATS rapidly approaching being couple months away time read couple columns back indicated would fly fun events Texas area Super Slow Rat Race un official event Now word comes Rocky Mountain Aeromodelers Denver have requested another event Big Goodyear also flown unofficial event Big Goodyear event spawned Southwest has become popular event flown contests area As example Buckeye January year Big Goodyear claimed 18 entries compared 10-12 other racing events Additionally event has also caught several other areas countryI have heard event being flown far away New England states Russ Brown Rocky Mountain Aero modelers called other night relayed information would sponsoring two separate classes Big Goodyear Class being open engine satisfies engine rules event Class II restricted front-intake single-bypass PDP ok engines Fox Combat Special being added class everbodys benefit am reprinting existing rules Big Goodyearas will flown Nats Big Goodyear Bia Goodyear intended racing event beginners may compete more-or-less basis experienced competitors using models resemble real airplanes end philosophy simplicity realism readily-available equipment has adopted intent airplane kit engine built/used come out box recognized parts break reason able substitutions should allowed 1 All regulations AMA Rat Racing shall apply except specified below 2 The airplane must commerically-avail able profile kit having side-mounted engine rudder stab elevator canopy minimum 375 square inches wing area mini mum two-wheel landing gear shown plans Any size wheels may used landing gear modifications shown plans per mitted long least two wheels used 3 Contemporary building techniques ma terials change design may used reinforce strength model Substituting wood lengthening motor mounts enlarging plywood doublers strengthen ing bellcrank mount permitted Sheet ing wing leading edge unless called plans permitted 4 Planes should brightly painted Junior Uoodyearwlnners anne uo Nets kneel ing Tim Ong 1st CL Mitchell Cleveland 2nd R Jimmy Ricketts 3rd canopy should outlined painted contrast ing color No clear finishes permitted 5 Planes must have racing numbers side fuselage rudder upper left inboard wing 6 Engines shall limited commerically produced engines maximum stock displace ment of36 cu No destroked debored 40s permitted No pressure systems exhaust extensions permitted Mufflers may used engines supplied 7 Tanks shall limited maximum capa city two oz Vents may bent relocated take advantage airstream Uni-flow tanks permitted Tanks must filled through vent having maximum outside diameter no Ys 8 No hot gloves internal line connectors permitted Fuel shutoffs may present aircraft cannot used during course race Use fuel shutotiduring race will result disqualification However once race completed shutoff may used terminate flight penalty 9 Propellers shall limited commer cially available 9-in diameter 7-in pitch size shall re-worked except balancing 10 Lines shall stranded have mini mum diameter 018 distance center airplane center handle Continued page 129 July 1981 57 Senior Goodyearwinners 80 Nats kneel ing Tom Fluker 1st L Doug Hinkley 3rd R Bill Hughes 2nd can Fluker go fast such small engine plane ne arnoen nacing learn Ifl action IL nargia ropb LdiTlU~L bFIUb 111 ui LIIUII IIUIIPIll bull lJI.P IIUIUb VII liUy LU dliiUli thU DUblifl AMA racing event having won Rat Goodyear recent Nets Daytona oUai.rl Point Orange FL enjoyable compete Nats however event directors judges both flight static would no Nats have desire compete someday experience information gained judging can ex tremely important developing competitive air craft future year will selecting Scale team both Control Line RC 1982 Scale World Championships tentative ly held Russia important get qualified help static flight judging Any body interested please contact John Preston mail 7012 Elvira Court Falls Church VA 22042 call 703 532-2417 office phone 301 492-6604 can help just little will much appreciated Duplicating machine guns pictures month machine gun cannon used Zero cannon left formed using aluminum tubing placed against block wood awl driven end expand cannon flash suppressor muzzle giving th bell mouth effect method simple very quick two attempts being necessary duplicate initial cannon air-cooled machine gun barrel pictured formed using several sizes brass tubing outer size brass tubing -in multiple holes drilled through give air-cooled barrel effect end being slotted hammered dowp inside cone Cox TD half-A propeller spinner compress tube smallest diameter barrel itself -in diameter brass tubing has supported center -in tubing small rings telescoped brass tubing appropriate diameters go -in -in Again very simple quite easy duplicate painted Testors enamel steel metal grey Although fuelproof no problems have encountered Richard Bryon 2506 So 161st Circle Omaha NE 68130 402 333-0796 CL Racing/Lee Continued page 57 shall 60 ft ntrol system shall subjected pull test 35 pounds 11 One pit stop required current hot set-up Big Goodyear still Tune-Hill 36 running Ringmaster engine gives very good range along much horsepower other engine available Ringmaster model just meets rules size appears trick plane use particular current kit Ringmaster uses modem wing con struction method original including sheeted leading edge rather solid club old kit Because limited fuel capacity rule fuel mixing definiate part event number chemicals can help some readily available others have found xylol reasonable range extender used about 1045% fuel can purchased Cooks paint store Cooks #357 Thinner Another chemical ethanol grain alcohol kind found mixed drink Word Big Boys Denver fuel doesnt contain anything cant buy hobby shop liquor store own setup Big Goodyear Ringmaster K&B front rotor 58 used venturi K&B 35 U/C motor standard K&B spraybar needle valve venturi has FACTOR Y AUTHORIZED SER VICE FOR ALL OF THE FOLLOWING BRANDS Ace Aero Sport Cannon Cirrus Kraft*Pro LineRS Systems* World EnginesOrbitRoyal EK LogictrolMathes*Simprop Micro AvionicsMRCJerobee *ALSO WARRANTY SERVICE QUALITYSER VICE FOR ALL BRANDS Z Don McCarthy Factory trained technicians over 15 years Radio Control Electronics HOURS Closed Sun & Mon lOam-S pmWedFri lOam-6pm Sat 10 am-2 pm 714 639-8886 941 N MAIN ST. ORANGE CALIFORNIA 92667 July 1981 129 -- M 1/zA ATD Brake Kit no 101 $275 size U FAi AB Brake Kit no 102 $325 B ake Kit no 103 $375 1 ea size $8503 FAI Adaptor Cox 15 kit no 107 $150 used Kit no 102 PA Residents Add 6% Sales Tax K&W ENTERPRISES 7824 Lexington Ave Philadelphia Penna 19152 \uthodzed IQdio CntvoI ervice 1 LACEY Al-b 11 PEANUT KITS $495 EACH LACEY MIOCOUGARMUSTANG PIETENPOLGIPSY MOTHZERO PIPER CUBGANAGOBIEMILES MIB ANDRESONDRUINE COAIPLETE C4T#U0G $100 HARD TO FIND ACCESSORIES KITS AND PLANS FOR RUBBER POWERED MODELS P 0 BOX 24MA pp w*Sn.wwMMAF LA MESA CALIF 92041 \ ONE 714 4699975 o 714 4424636 diameter about 345 needle valve assembly being 155-in thick engine will draw adequately setup although initial acceleration burst will sometimes cause engine sageven die once awhile fuel same fuel use AMA Slow Rat 60% nitro 20% oil 20% alky am able run 47-48 laps mixture 7lap time mid high iSs know kind setup fly Big Goodyear normally run never have $18500 claimed normal may recall year ago reported Buckeye contest January Arizona suggested Big Goodyear competitors going faster pitting oftenbut betterwould yield winning combination True way race run still audacity suggest maybe better way Well year combination won Big Goodyear Buck eye aK&BS8 onaRingmasterrunningmidto high iSs 47-48 laps tank twogood pits Will Nats see repeat see W R Lee 3522 Tamarisk Lane Missouri City TX 77459 CL Combat/Johnson Continued page 58 vent line open air assumed feed line open too feed line should pick up fuel outboard rear portion tank exit position tank should determined engine/needle valve configuration dont aim cylinder head Put vent line inboard feed line slightly front it outboard air coming might get sucked feed line rather fuel Exit location didnt make difference far running preferred location inboard side avoid siphoning fuel 2 Tank width didnt make much difference Randys tank about widest because ofthe pronounced wedge really didnt suffer much change setting during run Variations ventingand particularly condi tion enginehad greater effect 3 Brass tanks fall apart rather easily 4 Either use tank large enough run entire five minutes gives around two half minutes anything less five minutes youll have make pit stop anyway carry around excess weight nose plane As guide found fuel-efficient Tigre 35 used about ounce per minute bushing Tigre used over two ounces per minute high state tune thirsty engine tried Fast Combat Tigre gulped 32 ounces 50% nitroin 40 seconds 5 I tried steel wool pieces foam tank cut down fuel sloshing around no change Save cleaning pots pans 6 Clunk tanks worked better additional line put vent tube tied pickup weight gave about same effect uniflow tank having vent always fuel found some silicone tubing Indy RC worked well small diameter flexible stays 10000 mile roadtestofthe Fox15/Cartier Tantrum model still progress after year half still going strong love flying setup because trouble-free now have Cartier exposed-leadout Slow Combat model Tigre 35 looks like another winner 15 model gets 10-14 minutes flying time 130 Model Aviation EXCITING NEW KITS AND 80% COMPLETED AftF R/C MODELS . FROM THE BEST IN JAPAN! CANDY TWISTER YAMATO 80% completed factory built tnodels traditional balsa plywood ma teria shown photo right SKY MATE complete kit al/parts pre cut exact size Add $200 kit postage handling Arizona residents add 4% Sales Tax Color Catalog Items $200 [iiTRON 344 Lnndon Rridge Plaza Suite D 6403 Republic Seabee Grumman Widgeon $25000 PBY-5 Catalina $40000 See Dealer Mr Gs Products & Supply 1010 Gratiot Marysville Ml 48040