CONTROL LINE AEROBATICS WHEN THE NEWCOMERS issue rolls around ponder make column useful interesting anyone may want participate Control Line CL modelingspecifically Precision Aerobatics PA difficult because PA/Stunt has major portion life almost 50 years time saw first real Stunter captivated airplanes beauty eloquence pattern flown pilot times interests have shifted activities such competitive pistol shooting restoring old PorschesTM very long thing has surprised throughout years PA can lifetime sport years ago Jim Silhavy noted flier 1950s 1960s rationalized because physical reasons wed over hill early 30s Thats feel Im better flier now years ago doesnt interest CL modeling wane throughout years Perhaps its diversity skills needed participate maybe its rare days weather mild breeze gentle airplane working say yourself realty Dont let end cant justice topic modeling mentioning wonderful people worldwide PA community brought together common interest could go Im satisfied Ive made think Maybe ought give try column last years newcomers issue tried put together starter package selected Fox 35 engine variety reasons least its ability stand test time factors primary importance get engine run reliably correct characteristicsI cant emphasize enough Recently fellow modeler good friend Don McClave sent paper wrote about work venerable Fox 35 has flown Foxes almost exclusively last few years can vouch fact really does have engines running well Don thanks sharing extensive knowledge some classic designs worthy newcomer airplanes Flying Foxes July 1958 attended first National Aeromodeling Championships Nats Glenview Naval Air Station north Chicago IL Beautiful Stunt models traced seemingly effortless figures sky airplanes powered popular Stunt engine daythe Fox 35 After absence two decades modeling resumed competition 1982 Nats Lincoln NE five open finalists puffed pipe flew updated version venerable Nobler design powered Fox great Bob Gieseke won five Nats titles awayhe finished close second 1982 Bobs graceful flying style brought back memories first Nats struck remarkable consistency During week 1982 Nats flying conditions ranged periods dead calm winds exceeding 25 mph Bobs pretty red Nobler didnt miss beat told setup close what fliers Foxes used late 1950slO x 6 propeller lines about 60 feet long measured handle aircrafts centerline wingspan 50-54 inches 525-575 square inches wing area flying weight 38-42 ounces Bobs airplane flew slowly through Stunt pattern said Fox 35 broke two-cycle just right places provide necessary power 1990 decided focus modeling energies new Classic Stunt event June1997 129 Gene Martines elegant SV12 XL PA 40 pipe Randy Smith Classic competition 1996 National Championships design consistent performer Aero Products Robin Sizemores Warburton Tonya great flier Bill Richs new Precision Aero Products Astra powered PA 51 Notice unusual wingtip shapes top fliers using Five Fantastic ng Favorites IFrom Worlds Leading Manufacturer Laser Cut Rubber Powered Model Aircraft great new kits value priced $1796 available better hobby shops around world available locally order direct Include $450 shipping kit $650 two kits Foreign orders contact us actual shipping full line catalog $200 Part attraction recreating designs grew up accurate respectsweight trim power Since Fox 35 1950s-vintage engine still production readily available bonus because majority airplanes Classic era powered Foxes would add projects authenticity Classic Stunt projects have included Nobler two Smoothies Pow Wow both versions Thunderbird Fierce Arrow current model Dee Rices fine Oriental Except Fierce Arrow models generally within size weight parameters mentioned earlier Ive competed Classic Stunt five Nats winning once never placing lower fiftieth Along way learned nearly-ancient art getting out Fox 35 have some thoughts about trimming flying Fox-powered Stunt models Fox 35 Stunt engine produced 1948 its basic design has remained unchanged Attempts modify improve engine have unsuccessful handful exceptions Attempts change its basic running character gentle change four-cycle operation level flight two-cycle operation maneuversits trademark Thats what makes Fox 35 suitable Stunt reason still popular Stunt engine ever Fox very light makes wonderful Stunt has small cooling fins limited ability dissipate heat Raising compression hopping up other ways raises engines operating temperature means engine will twocycle nearly time and/or excessively sensitive needle valve settingsthat isnt acceptable Fox 35s produced 1988 have 40th Anniversary logo side crankcase manufactured closer tolerances some previous production runs generally excellent quality few successful attempts improving Fox 35 Replacing Fox needle valve assembly SuperTigre Kustom Kraftmanship needle valve assembly resulting finer adjustment replacing Fox needle valve assembly has common practice decades Replacing stock cylinder head backplate stuffer backplate hemi head either Fox Foster/Smith version Together smooth out engine run improve fuel draw during maneuvers some competitors secretly made changes during 1950s Replacing engine bolts 4-40 Allen-head bolts cylinder head backplate can evenly tightened place Replacing Fox muffler very light RSM tongue muffler runs much better saves weight used setup Ive described Fox version hemi head 1994 Classic national champion Thunderbird engine provided quite enough power handle howling winds blew across Lubbock TX flying site However since Ive used L&J Fox engines prepared Larry Foster Mesa AZ contain improvements described above fitted balanced speeds break-in results 130 Model Aviation rlds Best Laser Cut Parts* PA international Ship captain Alberto Graber Italy displays stable Stunters Alberto says four-stroke engines biplanes trend itv Balsa Wooda * Precise Computer Ei neering* *Light Weight Colored flssue* *Authen tic Waterslide Decals* HERR ENGINEERING CORP 1431 CHAFFEE DR SUITE #3 lb TITUSVILLE FL 32780 407-264-2488 noticeable reduction engine vibration cost approximates new Fox plus replacement partsI highly recommend L&J already have Fox 35 make changes noted will work fine piston/liner seal important way get thoroughly breaking new Fox engine before use Heres 1 Mount engine test stand four-ounce tank 9 x 6 propetler install muffler during break-in 2 Fill fuel tank fuel going use recommend mixture 28% castor oil 10% nitromethane 62% methanol altitudes above 3500 ft increase nitro 15% drop methanol 57% similar Powermist added castor popular Detroit fliers other 1950s fliers FHS will custom-blend fuel you can purchase Sig 10/25 blend Taffs 10% PACeither acceptable substitute long-popular Fox Superfuel has 5% nitro produces less power blend Ive describedI dont recommend Under no circumstances should use off-the-shelf RC fuel Fox does have nearly enough oil oil does have mostly synthetic doesnt provide adequate lubrication crankshaft bearing facilitate carbon build-up cylinder helps form piston/liner seal 3 Start engine choking 2-3 times battery disconnected Flip engine several times work fuel through loosen bearing connect batterythe engine should start easily Little no choking required hot starts Run gallon fuel through engine fairly fast four-cycle Allow cool between tankfuls run engine blubbering rich may damage connecting rod During last 1/2 gallon pinch fuel line hold 5-10 seconds release engine should immediately snap back four-cycle Repeat process several times during test run steps take time will rewarded strong reliable engine will last years After break-in can install RSM muffler Mount Allen-head bolts screwdriver-type Allen wrench rather tongue wrenchit minimizes tendency overtighten perhaps distort crankcase gentle tighten evenly Next breaking fuel tank 1 Use four-ounce Taffinder Smith Tank Kit install plumbing using t/ copper tubing 2 Install uniflow vent facing airstream uniflow tube should 1- 1 inches front fuel pickup tube inside tank mounted level fuel pickup tube close tank Bob Palmers 1957 Thunderbird 3 Install vent tube wherever want Cap after filling through uniflow tube 4 In flight airstream provides ample positive pressure through uniflow tube use muffler pressure 5 Older modelers might remember being told mount engine tank flat against engine bearers needle valve fuel pickup tube would same level Instead shim engine 1/16 off engine bearers will equalize engine run upright inverted Foxes have long famous fourcycling level flight breaking smoothly two-cycle during maneuvers Heres set up Set well-broken-in engine ground two-cycle breaking four-cycle few seconds exact setting will depend angle attack airplane sits its wheels An airplane shallow angle attack needs engine set bit richer steep angle attack After airplane takes off should settle back fast four-cycle about lap Fast means engine just verge twocycling Lap times 60-foot lines 10 x 6 propeller should range 49-51 seconds Running Fox 35 manner will ensure its operating close its torque peak engine will generating plenty power 40ounce 550-square-inch Stunt model lap times 49-51 seconds may sound fast youre used flying larger modern airplanes longer lines its slower todays aircraftyoull see start flying maneuvers Now youre ready fly glow plug propeller choices recommendations Thunderbolt RC Long glow plugs have used years great success 45l05o temperatures 10 x 6 B-Y&O propellers Famous Y&O propellers now manufactured Clarence Bull using Henry Orwicks cruds worst nightmare. its unique dual filter design Great Planes Filling Station fuel can fitting set maximizes glow fuels purification engineers placed Precision Fuel Filters two strategic locationsin pickup filler probeto trap contaminants before can damage 1 engine disrupt fuel flow keep fuel fresh filler probe 0-ring forms tight seal shutting out moisture preventing spills Don Anderson President Founder Great Planes Model Manufacturing GREAT PLANES FILLING STATION er probePRECISION with____ FUEL FILTER PrecisionNo sfop fitter Fuel Filterelement tight manufacturing mtolerances prevents crud slipping past Its also easy remove cleaning Fuel cap 0-ring seal Fuel pickup Precision Fuel Filter Fits fuel can jug free brochure location dealer nearest please call 1 800-682 8948 ext 0414J MODEL MAOGUP rissIbaxe ExalAbAy ThoogO GREAT PiANOS MODEL DISTRIRUTORO COMPANY PO Boo 9021 Champaign IL 01920-9021 OCpyaIl973O72O ow cauSAVE$12 .When buy any4 I GreatPlanes hardware oraccessory items I Coapon Details Limit coupon per customer Void woere reottictod prohibited Customer moot pay applicable sales tax cash oalue 1/100 centThis coupon good 0010 tht USA participating sothorized retailers Great 010000 eaclooioe prodocto retail purchaten Good throogh 12/31/97 Retailer Instructions redeem send original coupon Ira I photocopies accepteh aiong wgh regular Great Planes inonice payment within 30 aays after eevirotior date shown Geduct tOe coupon oulue I your net inoolce P00 mont Proot 01 adeguate purchase may reguired L1 June1997 131 Years now youll still using ProGIo Unlike NoCd starter clips Great Planes ProGlo has no internal wires solder joints restrict maximum power transfer cause failures Thats several reasons ProGlo will last longer other starter clips also uses advanced electro-mechanical connections deliver MORE power efficiently because its powered easily replaceable rechargeable p sub-C NiCd ProGlos lifetime ually unlimited Don Anderson President Founder Great Planes Model Manufacturing 7 0 plungeral/glow securely onto plugsand stays until want off N Available 2 3 chrome plated sockets featuring vinyl tip _____ caps prevent shorts fouling Battery included ProGlo available night AC wall charger For free brochure location dealer nearest please call 1 800 682 8948 mentson code 04111r1 90siita Exaia um, GREAT PtANE5 M55fl DI5ThIBLJY5R5 COMPANY P5Sax 9021 Champaign II 61890-9521 aueae lairl60 ihlot Is— #W5451 5/i" i .When buy any4 GreatPlanes hardware oraccessory items Coupon Detnhls Limit coupon per customer Void whert restricted prohihited Customer moot pay epplicahie saltS tsx Cash nOlue 1/100 centThio rsuport good onip USA padcipstiflg outhsriotd rettilers ot Great Pisnes reclusive products rettil purchsses Good thrsugh 12/31/97I Retailer Inslrucllons tedeem send original coupon no phst pies scceptet sloog aith sop ntgulsr Orsat Planes Inoolce psyment I arYan 30 dayt sUer esplrstiso date shown Seduct coo n value lam net invoice pagment Proot adequate purchase may requir L original tooling perfect match Fox 35 Other acceptable choices 10 x 6W Rev-Up 10 x 6 Top Flite last item take care before fly control lines believe Bob Gieseke notion shorter better works best Fox Its no accident nearly Fox-powered Classic-era aircraft flown 60-foot linesthey compatible engines power strongly suggest using length least starting point Thats 60 feet handle centerline aircraft eyelet-to-eyelet length things youll quickly discover flying Fox-powered model 60-foot lines fivesecond-lap-time its relatively easy hit bottoms accurately wingovers square maneuvers because first light weight Fox results minimal weight extremities aircraft nose tail making easier start stop turns Second important airplane actually going quite slowly thus closing speed airplane approaches ground less larger airplane easier reflexes addition Fox 35 tends back off breaks back four-cycle airplane divinga braking effect mimicked todays tuned pipe setups can ask Five second laps much faster regular PAMPA Stunters 55-second laps True modern Stunters typically fly 70-foot lines An airplane flying five-second lap times 60-foot lines going slower airplane doing 55-second laps 70-foot lines 514 mph vs 545 mph can compare airspeeds favorite Stunter using formula airspeed mph x line length x # laps seconds properly broken-in Fox 35 set up manner Ive described still easy-to-operate competitive engine nearly half-century after its introduction Duke Foxs finest effort still standard against Stunt motors measured Bob Gieseke once told nothing runs like Fox some what Ive discussed applicable other Classic-era engines McCoy Veco OS Max Johnson 35s Fox 35 popular engine period airplanes originally designed its still production dont intend ignore individuals have converted modern Schnuerle-ported engines Stunt use success speaks itself However modelers may want experience Stunt flown 40 years ago putting Fox 35 nose great Classic-era airplanes way go hope article gets off good start Sources B-Y&O Propellers B-Y&O Industries Box 492 Harrisburg OR 97446 541 995-6509 Taffs Fuel Taffs Tank Kits Carolina-Taffinder 8345 Delhi Rd North Charleston SC 29406 803553-7169 Red Max Custom Fuel FHS Supply Inc Box 9 239 Bethel Church Rd Clover SC 29710 800 742-8484 Fox 35 Engines Fox Hemi Head & Stuffer Backplate Kits Fox Superfuel Fox Manufacturing Company 5305 Towson Ave Fort Smith AR 72901 501 646-1656 KK Needle Valve Assemblies Kustom Kraftmanship Box 1538 San Marcos CA 92079 619 761-0511 RSM Mufflers L&J Fox 35 Engines RSM Distribution 40 Calendula Rancho Santa Margarita CA 92668 714 858-8575 Fox 35 Engines Sig Fuel Rev-Up Propellers RSM Mufflers Sig Manufacturing Company 401 South Front St Montezuma IA 5017 1-9900 800 247-5008 Smiths Tank Kits Kenn Smith 521 Jansen Ave San Dimas CA 91773-1617 909 592-2100 Foster/Smith Hemi Heads SuperTigre Needle Valve Assemblies Thunderbolt R/C Long Glow Plugs Randy Smith 1880 Scenic Highway Snellville GA 30278 770 979-2035 Model Aviation xtured aluminum barrel removes easily quick battery \ replacement
Edition: Model Aviation - 1997/06
Page Numbers: 129, 130, 131, 132
Edition: Model Aviation - 1997/06
Page Numbers: 129, 130, 131, 132
CONTROL LINE AEROBATICS WHEN THE NEWCOMERS issue rolls around ponder make column useful interesting anyone may want participate Control Line CL modelingspecifically Precision Aerobatics PA difficult because PA/Stunt has major portion life almost 50 years time saw first real Stunter captivated airplanes beauty eloquence pattern flown pilot times interests have shifted activities such competitive pistol shooting restoring old PorschesTM very long thing has surprised throughout years PA can lifetime sport years ago Jim Silhavy noted flier 1950s 1960s rationalized because physical reasons wed over hill early 30s Thats feel Im better flier now years ago doesnt interest CL modeling wane throughout years Perhaps its diversity skills needed participate maybe its rare days weather mild breeze gentle airplane working say yourself realty Dont let end cant justice topic modeling mentioning wonderful people worldwide PA community brought together common interest could go Im satisfied Ive made think Maybe ought give try column last years newcomers issue tried put together starter package selected Fox 35 engine variety reasons least its ability stand test time factors primary importance get engine run reliably correct characteristicsI cant emphasize enough Recently fellow modeler good friend Don McClave sent paper wrote about work venerable Fox 35 has flown Foxes almost exclusively last few years can vouch fact really does have engines running well Don thanks sharing extensive knowledge some classic designs worthy newcomer airplanes Flying Foxes July 1958 attended first National Aeromodeling Championships Nats Glenview Naval Air Station north Chicago IL Beautiful Stunt models traced seemingly effortless figures sky airplanes powered popular Stunt engine daythe Fox 35 After absence two decades modeling resumed competition 1982 Nats Lincoln NE five open finalists puffed pipe flew updated version venerable Nobler design powered Fox great Bob Gieseke won five Nats titles awayhe finished close second 1982 Bobs graceful flying style brought back memories first Nats struck remarkable consistency During week 1982 Nats flying conditions ranged periods dead calm winds exceeding 25 mph Bobs pretty red Nobler didnt miss beat told setup close what fliers Foxes used late 1950slO x 6 propeller lines about 60 feet long measured handle aircrafts centerline wingspan 50-54 inches 525-575 square inches wing area flying weight 38-42 ounces Bobs airplane flew slowly through Stunt pattern said Fox 35 broke two-cycle just right places provide necessary power 1990 decided focus modeling energies new Classic Stunt event June1997 129 Gene Martines elegant SV12 XL PA 40 pipe Randy Smith Classic competition 1996 National Championships design consistent performer Aero Products Robin Sizemores Warburton Tonya great flier Bill Richs new Precision Aero Products Astra powered PA 51 Notice unusual wingtip shapes top fliers using Five Fantastic ng Favorites IFrom Worlds Leading Manufacturer Laser Cut Rubber Powered Model Aircraft great new kits value priced $1796 available better hobby shops around world available locally order direct Include $450 shipping kit $650 two kits Foreign orders contact us actual shipping full line catalog $200 Part attraction recreating designs grew up accurate respectsweight trim power Since Fox 35 1950s-vintage engine still production readily available bonus because majority airplanes Classic era powered Foxes would add projects authenticity Classic Stunt projects have included Nobler two Smoothies Pow Wow both versions Thunderbird Fierce Arrow current model Dee Rices fine Oriental Except Fierce Arrow models generally within size weight parameters mentioned earlier Ive competed Classic Stunt five Nats winning once never placing lower fiftieth Along way learned nearly-ancient art getting out Fox 35 have some thoughts about trimming flying Fox-powered Stunt models Fox 35 Stunt engine produced 1948 its basic design has remained unchanged Attempts modify improve engine have unsuccessful handful exceptions Attempts change its basic running character gentle change four-cycle operation level flight two-cycle operation maneuversits trademark Thats what makes Fox 35 suitable Stunt reason still popular Stunt engine ever Fox very light makes wonderful Stunt has small cooling fins limited ability dissipate heat Raising compression hopping up other ways raises engines operating temperature means engine will twocycle nearly time and/or excessively sensitive needle valve settingsthat isnt acceptable Fox 35s produced 1988 have 40th Anniversary logo side crankcase manufactured closer tolerances some previous production runs generally excellent quality few successful attempts improving Fox 35 Replacing Fox needle valve assembly SuperTigre Kustom Kraftmanship needle valve assembly resulting finer adjustment replacing Fox needle valve assembly has common practice decades Replacing stock cylinder head backplate stuffer backplate hemi head either Fox Foster/Smith version Together smooth out engine run improve fuel draw during maneuvers some competitors secretly made changes during 1950s Replacing engine bolts 4-40 Allen-head bolts cylinder head backplate can evenly tightened place Replacing Fox muffler very light RSM tongue muffler runs much better saves weight used setup Ive described Fox version hemi head 1994 Classic national champion Thunderbird engine provided quite enough power handle howling winds blew across Lubbock TX flying site However since Ive used L&J Fox engines prepared Larry Foster Mesa AZ contain improvements described above fitted balanced speeds break-in results 130 Model Aviation rlds Best Laser Cut Parts* PA international Ship captain Alberto Graber Italy displays stable Stunters Alberto says four-stroke engines biplanes trend itv Balsa Wooda * Precise Computer Ei neering* *Light Weight Colored flssue* *Authen tic Waterslide Decals* HERR ENGINEERING CORP 1431 CHAFFEE DR SUITE #3 lb TITUSVILLE FL 32780 407-264-2488 noticeable reduction engine vibration cost approximates new Fox plus replacement partsI highly recommend L&J already have Fox 35 make changes noted will work fine piston/liner seal important way get thoroughly breaking new Fox engine before use Heres 1 Mount engine test stand four-ounce tank 9 x 6 propetler install muffler during break-in 2 Fill fuel tank fuel going use recommend mixture 28% castor oil 10% nitromethane 62% methanol altitudes above 3500 ft increase nitro 15% drop methanol 57% similar Powermist added castor popular Detroit fliers other 1950s fliers FHS will custom-blend fuel you can purchase Sig 10/25 blend Taffs 10% PACeither acceptable substitute long-popular Fox Superfuel has 5% nitro produces less power blend Ive describedI dont recommend Under no circumstances should use off-the-shelf RC fuel Fox does have nearly enough oil oil does have mostly synthetic doesnt provide adequate lubrication crankshaft bearing facilitate carbon build-up cylinder helps form piston/liner seal 3 Start engine choking 2-3 times battery disconnected Flip engine several times work fuel through loosen bearing connect batterythe engine should start easily Little no choking required hot starts Run gallon fuel through engine fairly fast four-cycle Allow cool between tankfuls run engine blubbering rich may damage connecting rod During last 1/2 gallon pinch fuel line hold 5-10 seconds release engine should immediately snap back four-cycle Repeat process several times during test run steps take time will rewarded strong reliable engine will last years After break-in can install RSM muffler Mount Allen-head bolts screwdriver-type Allen wrench rather tongue wrenchit minimizes tendency overtighten perhaps distort crankcase gentle tighten evenly Next breaking fuel tank 1 Use four-ounce Taffinder Smith Tank Kit install plumbing using t/ copper tubing 2 Install uniflow vent facing airstream uniflow tube should 1- 1 inches front fuel pickup tube inside tank mounted level fuel pickup tube close tank Bob Palmers 1957 Thunderbird 3 Install vent tube wherever want Cap after filling through uniflow tube 4 In flight airstream provides ample positive pressure through uniflow tube use muffler pressure 5 Older modelers might remember being told mount engine tank flat against engine bearers needle valve fuel pickup tube would same level Instead shim engine 1/16 off engine bearers will equalize engine run upright inverted Foxes have long famous fourcycling level flight breaking smoothly two-cycle during maneuvers Heres set up Set well-broken-in engine ground two-cycle breaking four-cycle few seconds exact setting will depend angle attack airplane sits its wheels An airplane shallow angle attack needs engine set bit richer steep angle attack After airplane takes off should settle back fast four-cycle about lap Fast means engine just verge twocycling Lap times 60-foot lines 10 x 6 propeller should range 49-51 seconds Running Fox 35 manner will ensure its operating close its torque peak engine will generating plenty power 40ounce 550-square-inch Stunt model lap times 49-51 seconds may sound fast youre used flying larger modern airplanes longer lines its slower todays aircraftyoull see start flying maneuvers Now youre ready fly glow plug propeller choices recommendations Thunderbolt RC Long glow plugs have used years great success 45l05o temperatures 10 x 6 B-Y&O propellers Famous Y&O propellers now manufactured Clarence Bull using Henry Orwicks cruds worst nightmare. its unique dual filter design Great Planes Filling Station fuel can fitting set maximizes glow fuels purification engineers placed Precision Fuel Filters two strategic locationsin pickup filler probeto trap contaminants before can damage 1 engine disrupt fuel flow keep fuel fresh filler probe 0-ring forms tight seal shutting out moisture preventing spills Don Anderson President Founder Great Planes Model Manufacturing GREAT PLANES FILLING STATION er probePRECISION with____ FUEL FILTER PrecisionNo sfop fitter Fuel Filterelement tight manufacturing mtolerances prevents crud slipping past Its also easy remove cleaning Fuel cap 0-ring seal Fuel pickup Precision Fuel Filter Fits fuel can jug free brochure location dealer nearest please call 1 800-682 8948 ext 0414J MODEL MAOGUP rissIbaxe ExalAbAy ThoogO GREAT PiANOS MODEL DISTRIRUTORO COMPANY PO Boo 9021 Champaign IL 01920-9021 OCpyaIl973O72O ow cauSAVE$12 .When buy any4 I GreatPlanes hardware oraccessory items I Coapon Details Limit coupon per customer Void woere reottictod prohibited Customer moot pay applicable sales tax cash oalue 1/100 centThis coupon good 0010 tht USA participating sothorized retailers Great 010000 eaclooioe prodocto retail purchaten Good throogh 12/31/97 Retailer Instructions redeem send original coupon Ira I photocopies accepteh aiong wgh regular Great Planes inonice payment within 30 aays after eevirotior date shown Geduct tOe coupon oulue I your net inoolce P00 mont Proot 01 adeguate purchase may reguired L1 June1997 131 Years now youll still using ProGIo Unlike NoCd starter clips Great Planes ProGlo has no internal wires solder joints restrict maximum power transfer cause failures Thats several reasons ProGlo will last longer other starter clips also uses advanced electro-mechanical connections deliver MORE power efficiently because its powered easily replaceable rechargeable p sub-C NiCd ProGlos lifetime ually unlimited Don Anderson President Founder Great Planes Model Manufacturing 7 0 plungeral/glow securely onto plugsand stays until want off N Available 2 3 chrome plated sockets featuring vinyl tip _____ caps prevent shorts fouling Battery included ProGlo available night AC wall charger For free brochure location dealer nearest please call 1 800 682 8948 mentson code 04111r1 90siita Exaia um, GREAT PtANE5 M55fl DI5ThIBLJY5R5 COMPANY P5Sax 9021 Champaign II 61890-9521 aueae lairl60 ihlot Is— #W5451 5/i" i .When buy any4 GreatPlanes hardware oraccessory items Coupon Detnhls Limit coupon per customer Void whert restricted prohihited Customer moot pay epplicahie saltS tsx Cash nOlue 1/100 centThio rsuport good onip USA padcipstiflg outhsriotd rettilers ot Great Pisnes reclusive products rettil purchsses Good thrsugh 12/31/97I Retailer Inslrucllons tedeem send original coupon no phst pies scceptet sloog aith sop ntgulsr Orsat Planes Inoolce psyment I arYan 30 dayt sUer esplrstiso date shown Seduct coo n value lam net invoice pagment Proot adequate purchase may requir L original tooling perfect match Fox 35 Other acceptable choices 10 x 6W Rev-Up 10 x 6 Top Flite last item take care before fly control lines believe Bob Gieseke notion shorter better works best Fox Its no accident nearly Fox-powered Classic-era aircraft flown 60-foot linesthey compatible engines power strongly suggest using length least starting point Thats 60 feet handle centerline aircraft eyelet-to-eyelet length things youll quickly discover flying Fox-powered model 60-foot lines fivesecond-lap-time its relatively easy hit bottoms accurately wingovers square maneuvers because first light weight Fox results minimal weight extremities aircraft nose tail making easier start stop turns Second important airplane actually going quite slowly thus closing speed airplane approaches ground less larger airplane easier reflexes addition Fox 35 tends back off breaks back four-cycle airplane divinga braking effect mimicked todays tuned pipe setups can ask Five second laps much faster regular PAMPA Stunters 55-second laps True modern Stunters typically fly 70-foot lines An airplane flying five-second lap times 60-foot lines going slower airplane doing 55-second laps 70-foot lines 514 mph vs 545 mph can compare airspeeds favorite Stunter using formula airspeed mph x line length x # laps seconds properly broken-in Fox 35 set up manner Ive described still easy-to-operate competitive engine nearly half-century after its introduction Duke Foxs finest effort still standard against Stunt motors measured Bob Gieseke once told nothing runs like Fox some what Ive discussed applicable other Classic-era engines McCoy Veco OS Max Johnson 35s Fox 35 popular engine period airplanes originally designed its still production dont intend ignore individuals have converted modern Schnuerle-ported engines Stunt use success speaks itself However modelers may want experience Stunt flown 40 years ago putting Fox 35 nose great Classic-era airplanes way go hope article gets off good start Sources B-Y&O Propellers B-Y&O Industries Box 492 Harrisburg OR 97446 541 995-6509 Taffs Fuel Taffs Tank Kits Carolina-Taffinder 8345 Delhi Rd North Charleston SC 29406 803553-7169 Red Max Custom Fuel FHS Supply Inc Box 9 239 Bethel Church Rd Clover SC 29710 800 742-8484 Fox 35 Engines Fox Hemi Head & Stuffer Backplate Kits Fox Superfuel Fox Manufacturing Company 5305 Towson Ave Fort Smith AR 72901 501 646-1656 KK Needle Valve Assemblies Kustom Kraftmanship Box 1538 San Marcos CA 92079 619 761-0511 RSM Mufflers L&J Fox 35 Engines RSM Distribution 40 Calendula Rancho Santa Margarita CA 92668 714 858-8575 Fox 35 Engines Sig Fuel Rev-Up Propellers RSM Mufflers Sig Manufacturing Company 401 South Front St Montezuma IA 5017 1-9900 800 247-5008 Smiths Tank Kits Kenn Smith 521 Jansen Ave San Dimas CA 91773-1617 909 592-2100 Foster/Smith Hemi Heads SuperTigre Needle Valve Assemblies Thunderbolt R/C Long Glow Plugs Randy Smith 1880 Scenic Highway Snellville GA 30278 770 979-2035 Model Aviation xtured aluminum barrel removes easily quick battery \ replacement
Edition: Model Aviation - 1997/06
Page Numbers: 129, 130, 131, 132
CONTROL LINE AEROBATICS WHEN THE NEWCOMERS issue rolls around ponder make column useful interesting anyone may want participate Control Line CL modelingspecifically Precision Aerobatics PA difficult because PA/Stunt has major portion life almost 50 years time saw first real Stunter captivated airplanes beauty eloquence pattern flown pilot times interests have shifted activities such competitive pistol shooting restoring old PorschesTM very long thing has surprised throughout years PA can lifetime sport years ago Jim Silhavy noted flier 1950s 1960s rationalized because physical reasons wed over hill early 30s Thats feel Im better flier now years ago doesnt interest CL modeling wane throughout years Perhaps its diversity skills needed participate maybe its rare days weather mild breeze gentle airplane working say yourself realty Dont let end cant justice topic modeling mentioning wonderful people worldwide PA community brought together common interest could go Im satisfied Ive made think Maybe ought give try column last years newcomers issue tried put together starter package selected Fox 35 engine variety reasons least its ability stand test time factors primary importance get engine run reliably correct characteristicsI cant emphasize enough Recently fellow modeler good friend Don McClave sent paper wrote about work venerable Fox 35 has flown Foxes almost exclusively last few years can vouch fact really does have engines running well Don thanks sharing extensive knowledge some classic designs worthy newcomer airplanes Flying Foxes July 1958 attended first National Aeromodeling Championships Nats Glenview Naval Air Station north Chicago IL Beautiful Stunt models traced seemingly effortless figures sky airplanes powered popular Stunt engine daythe Fox 35 After absence two decades modeling resumed competition 1982 Nats Lincoln NE five open finalists puffed pipe flew updated version venerable Nobler design powered Fox great Bob Gieseke won five Nats titles awayhe finished close second 1982 Bobs graceful flying style brought back memories first Nats struck remarkable consistency During week 1982 Nats flying conditions ranged periods dead calm winds exceeding 25 mph Bobs pretty red Nobler didnt miss beat told setup close what fliers Foxes used late 1950slO x 6 propeller lines about 60 feet long measured handle aircrafts centerline wingspan 50-54 inches 525-575 square inches wing area flying weight 38-42 ounces Bobs airplane flew slowly through Stunt pattern said Fox 35 broke two-cycle just right places provide necessary power 1990 decided focus modeling energies new Classic Stunt event June1997 129 Gene Martines elegant SV12 XL PA 40 pipe Randy Smith Classic competition 1996 National Championships design consistent performer Aero Products Robin Sizemores Warburton Tonya great flier Bill Richs new Precision Aero Products Astra powered PA 51 Notice unusual wingtip shapes top fliers using Five Fantastic ng Favorites IFrom Worlds Leading Manufacturer Laser Cut Rubber Powered Model Aircraft great new kits value priced $1796 available better hobby shops around world available locally order direct Include $450 shipping kit $650 two kits Foreign orders contact us actual shipping full line catalog $200 Part attraction recreating designs grew up accurate respectsweight trim power Since Fox 35 1950s-vintage engine still production readily available bonus because majority airplanes Classic era powered Foxes would add projects authenticity Classic Stunt projects have included Nobler two Smoothies Pow Wow both versions Thunderbird Fierce Arrow current model Dee Rices fine Oriental Except Fierce Arrow models generally within size weight parameters mentioned earlier Ive competed Classic Stunt five Nats winning once never placing lower fiftieth Along way learned nearly-ancient art getting out Fox 35 have some thoughts about trimming flying Fox-powered Stunt models Fox 35 Stunt engine produced 1948 its basic design has remained unchanged Attempts modify improve engine have unsuccessful handful exceptions Attempts change its basic running character gentle change four-cycle operation level flight two-cycle operation maneuversits trademark Thats what makes Fox 35 suitable Stunt reason still popular Stunt engine ever Fox very light makes wonderful Stunt has small cooling fins limited ability dissipate heat Raising compression hopping up other ways raises engines operating temperature means engine will twocycle nearly time and/or excessively sensitive needle valve settingsthat isnt acceptable Fox 35s produced 1988 have 40th Anniversary logo side crankcase manufactured closer tolerances some previous production runs generally excellent quality few successful attempts improving Fox 35 Replacing Fox needle valve assembly SuperTigre Kustom Kraftmanship needle valve assembly resulting finer adjustment replacing Fox needle valve assembly has common practice decades Replacing stock cylinder head backplate stuffer backplate hemi head either Fox Foster/Smith version Together smooth out engine run improve fuel draw during maneuvers some competitors secretly made changes during 1950s Replacing engine bolts 4-40 Allen-head bolts cylinder head backplate can evenly tightened place Replacing Fox muffler very light RSM tongue muffler runs much better saves weight used setup Ive described Fox version hemi head 1994 Classic national champion Thunderbird engine provided quite enough power handle howling winds blew across Lubbock TX flying site However since Ive used L&J Fox engines prepared Larry Foster Mesa AZ contain improvements described above fitted balanced speeds break-in results 130 Model Aviation rlds Best Laser Cut Parts* PA international Ship captain Alberto Graber Italy displays stable Stunters Alberto says four-stroke engines biplanes trend itv Balsa Wooda * Precise Computer Ei neering* *Light Weight Colored flssue* *Authen tic Waterslide Decals* HERR ENGINEERING CORP 1431 CHAFFEE DR SUITE #3 lb TITUSVILLE FL 32780 407-264-2488 noticeable reduction engine vibration cost approximates new Fox plus replacement partsI highly recommend L&J already have Fox 35 make changes noted will work fine piston/liner seal important way get thoroughly breaking new Fox engine before use Heres 1 Mount engine test stand four-ounce tank 9 x 6 propetler install muffler during break-in 2 Fill fuel tank fuel going use recommend mixture 28% castor oil 10% nitromethane 62% methanol altitudes above 3500 ft increase nitro 15% drop methanol 57% similar Powermist added castor popular Detroit fliers other 1950s fliers FHS will custom-blend fuel you can purchase Sig 10/25 blend Taffs 10% PACeither acceptable substitute long-popular Fox Superfuel has 5% nitro produces less power blend Ive describedI dont recommend Under no circumstances should use off-the-shelf RC fuel Fox does have nearly enough oil oil does have mostly synthetic doesnt provide adequate lubrication crankshaft bearing facilitate carbon build-up cylinder helps form piston/liner seal 3 Start engine choking 2-3 times battery disconnected Flip engine several times work fuel through loosen bearing connect batterythe engine should start easily Little no choking required hot starts Run gallon fuel through engine fairly fast four-cycle Allow cool between tankfuls run engine blubbering rich may damage connecting rod During last 1/2 gallon pinch fuel line hold 5-10 seconds release engine should immediately snap back four-cycle Repeat process several times during test run steps take time will rewarded strong reliable engine will last years After break-in can install RSM muffler Mount Allen-head bolts screwdriver-type Allen wrench rather tongue wrenchit minimizes tendency overtighten perhaps distort crankcase gentle tighten evenly Next breaking fuel tank 1 Use four-ounce Taffinder Smith Tank Kit install plumbing using t/ copper tubing 2 Install uniflow vent facing airstream uniflow tube should 1- 1 inches front fuel pickup tube inside tank mounted level fuel pickup tube close tank Bob Palmers 1957 Thunderbird 3 Install vent tube wherever want Cap after filling through uniflow tube 4 In flight airstream provides ample positive pressure through uniflow tube use muffler pressure 5 Older modelers might remember being told mount engine tank flat against engine bearers needle valve fuel pickup tube would same level Instead shim engine 1/16 off engine bearers will equalize engine run upright inverted Foxes have long famous fourcycling level flight breaking smoothly two-cycle during maneuvers Heres set up Set well-broken-in engine ground two-cycle breaking four-cycle few seconds exact setting will depend angle attack airplane sits its wheels An airplane shallow angle attack needs engine set bit richer steep angle attack After airplane takes off should settle back fast four-cycle about lap Fast means engine just verge twocycling Lap times 60-foot lines 10 x 6 propeller should range 49-51 seconds Running Fox 35 manner will ensure its operating close its torque peak engine will generating plenty power 40ounce 550-square-inch Stunt model lap times 49-51 seconds may sound fast youre used flying larger modern airplanes longer lines its slower todays aircraftyoull see start flying maneuvers Now youre ready fly glow plug propeller choices recommendations Thunderbolt RC Long glow plugs have used years great success 45l05o temperatures 10 x 6 B-Y&O propellers Famous Y&O propellers now manufactured Clarence Bull using Henry Orwicks cruds worst nightmare. its unique dual filter design Great Planes Filling Station fuel can fitting set maximizes glow fuels purification engineers placed Precision Fuel Filters two strategic locationsin pickup filler probeto trap contaminants before can damage 1 engine disrupt fuel flow keep fuel fresh filler probe 0-ring forms tight seal shutting out moisture preventing spills Don Anderson President Founder Great Planes Model Manufacturing GREAT PLANES FILLING STATION er probePRECISION with____ FUEL FILTER PrecisionNo sfop fitter Fuel Filterelement tight manufacturing mtolerances prevents crud slipping past Its also easy remove cleaning Fuel cap 0-ring seal Fuel pickup Precision Fuel Filter Fits fuel can jug free brochure location dealer nearest please call 1 800-682 8948 ext 0414J MODEL MAOGUP rissIbaxe ExalAbAy ThoogO GREAT PiANOS MODEL DISTRIRUTORO COMPANY PO Boo 9021 Champaign IL 01920-9021 OCpyaIl973O72O ow cauSAVE$12 .When buy any4 I GreatPlanes hardware oraccessory items I Coapon Details Limit coupon per customer Void woere reottictod prohibited Customer moot pay applicable sales tax cash oalue 1/100 centThis coupon good 0010 tht USA participating sothorized retailers Great 010000 eaclooioe prodocto retail purchaten Good throogh 12/31/97 Retailer Instructions redeem send original coupon Ira I photocopies accepteh aiong wgh regular Great Planes inonice payment within 30 aays after eevirotior date shown Geduct tOe coupon oulue I your net inoolce P00 mont Proot 01 adeguate purchase may reguired L1 June1997 131 Years now youll still using ProGIo Unlike NoCd starter clips Great Planes ProGlo has no internal wires solder joints restrict maximum power transfer cause failures Thats several reasons ProGlo will last longer other starter clips also uses advanced electro-mechanical connections deliver MORE power efficiently because its powered easily replaceable rechargeable p sub-C NiCd ProGlos lifetime ually unlimited Don Anderson President Founder Great Planes Model Manufacturing 7 0 plungeral/glow securely onto plugsand stays until want off N Available 2 3 chrome plated sockets featuring vinyl tip _____ caps prevent shorts fouling Battery included ProGlo available night AC wall charger For free brochure location dealer nearest please call 1 800 682 8948 mentson code 04111r1 90siita Exaia um, GREAT PtANE5 M55fl DI5ThIBLJY5R5 COMPANY P5Sax 9021 Champaign II 61890-9521 aueae lairl60 ihlot Is— #W5451 5/i" i .When buy any4 GreatPlanes hardware oraccessory items Coupon Detnhls Limit coupon per customer Void whert restricted prohihited Customer moot pay epplicahie saltS tsx Cash nOlue 1/100 centThio rsuport good onip USA padcipstiflg outhsriotd rettilers ot Great Pisnes reclusive products rettil purchsses Good thrsugh 12/31/97I Retailer Inslrucllons tedeem send original coupon no phst pies scceptet sloog aith sop ntgulsr Orsat Planes Inoolce psyment I arYan 30 dayt sUer esplrstiso date shown Seduct coo n value lam net invoice pagment Proot adequate purchase may requir L original tooling perfect match Fox 35 Other acceptable choices 10 x 6W Rev-Up 10 x 6 Top Flite last item take care before fly control lines believe Bob Gieseke notion shorter better works best Fox Its no accident nearly Fox-powered Classic-era aircraft flown 60-foot linesthey compatible engines power strongly suggest using length least starting point Thats 60 feet handle centerline aircraft eyelet-to-eyelet length things youll quickly discover flying Fox-powered model 60-foot lines fivesecond-lap-time its relatively easy hit bottoms accurately wingovers square maneuvers because first light weight Fox results minimal weight extremities aircraft nose tail making easier start stop turns Second important airplane actually going quite slowly thus closing speed airplane approaches ground less larger airplane easier reflexes addition Fox 35 tends back off breaks back four-cycle airplane divinga braking effect mimicked todays tuned pipe setups can ask Five second laps much faster regular PAMPA Stunters 55-second laps True modern Stunters typically fly 70-foot lines An airplane flying five-second lap times 60-foot lines going slower airplane doing 55-second laps 70-foot lines 514 mph vs 545 mph can compare airspeeds favorite Stunter using formula airspeed mph x line length x # laps seconds properly broken-in Fox 35 set up manner Ive described still easy-to-operate competitive engine nearly half-century after its introduction Duke Foxs finest effort still standard against Stunt motors measured Bob Gieseke once told nothing runs like Fox some what Ive discussed applicable other Classic-era engines McCoy Veco OS Max Johnson 35s Fox 35 popular engine period airplanes originally designed its still production dont intend ignore individuals have converted modern Schnuerle-ported engines Stunt use success speaks itself However modelers may want experience Stunt flown 40 years ago putting Fox 35 nose great Classic-era airplanes way go hope article gets off good start Sources B-Y&O Propellers B-Y&O Industries Box 492 Harrisburg OR 97446 541 995-6509 Taffs Fuel Taffs Tank Kits Carolina-Taffinder 8345 Delhi Rd North Charleston SC 29406 803553-7169 Red Max Custom Fuel FHS Supply Inc Box 9 239 Bethel Church Rd Clover SC 29710 800 742-8484 Fox 35 Engines Fox Hemi Head & Stuffer Backplate Kits Fox Superfuel Fox Manufacturing Company 5305 Towson Ave Fort Smith AR 72901 501 646-1656 KK Needle Valve Assemblies Kustom Kraftmanship Box 1538 San Marcos CA 92079 619 761-0511 RSM Mufflers L&J Fox 35 Engines RSM Distribution 40 Calendula Rancho Santa Margarita CA 92668 714 858-8575 Fox 35 Engines Sig Fuel Rev-Up Propellers RSM Mufflers Sig Manufacturing Company 401 South Front St Montezuma IA 5017 1-9900 800 247-5008 Smiths Tank Kits Kenn Smith 521 Jansen Ave San Dimas CA 91773-1617 909 592-2100 Foster/Smith Hemi Heads SuperTigre Needle Valve Assemblies Thunderbolt R/C Long Glow Plugs Randy Smith 1880 Scenic Highway Snellville GA 30278 770 979-2035 Model Aviation xtured aluminum barrel removes easily quick battery \ replacement
Edition: Model Aviation - 1997/06
Page Numbers: 129, 130, 131, 132
CONTROL LINE AEROBATICS WHEN THE NEWCOMERS issue rolls around ponder make column useful interesting anyone may want participate Control Line CL modelingspecifically Precision Aerobatics PA difficult because PA/Stunt has major portion life almost 50 years time saw first real Stunter captivated airplanes beauty eloquence pattern flown pilot times interests have shifted activities such competitive pistol shooting restoring old PorschesTM very long thing has surprised throughout years PA can lifetime sport years ago Jim Silhavy noted flier 1950s 1960s rationalized because physical reasons wed over hill early 30s Thats feel Im better flier now years ago doesnt interest CL modeling wane throughout years Perhaps its diversity skills needed participate maybe its rare days weather mild breeze gentle airplane working say yourself realty Dont let end cant justice topic modeling mentioning wonderful people worldwide PA community brought together common interest could go Im satisfied Ive made think Maybe ought give try column last years newcomers issue tried put together starter package selected Fox 35 engine variety reasons least its ability stand test time factors primary importance get engine run reliably correct characteristicsI cant emphasize enough Recently fellow modeler good friend Don McClave sent paper wrote about work venerable Fox 35 has flown Foxes almost exclusively last few years can vouch fact really does have engines running well Don thanks sharing extensive knowledge some classic designs worthy newcomer airplanes Flying Foxes July 1958 attended first National Aeromodeling Championships Nats Glenview Naval Air Station north Chicago IL Beautiful Stunt models traced seemingly effortless figures sky airplanes powered popular Stunt engine daythe Fox 35 After absence two decades modeling resumed competition 1982 Nats Lincoln NE five open finalists puffed pipe flew updated version venerable Nobler design powered Fox great Bob Gieseke won five Nats titles awayhe finished close second 1982 Bobs graceful flying style brought back memories first Nats struck remarkable consistency During week 1982 Nats flying conditions ranged periods dead calm winds exceeding 25 mph Bobs pretty red Nobler didnt miss beat told setup close what fliers Foxes used late 1950slO x 6 propeller lines about 60 feet long measured handle aircrafts centerline wingspan 50-54 inches 525-575 square inches wing area flying weight 38-42 ounces Bobs airplane flew slowly through Stunt pattern said Fox 35 broke two-cycle just right places provide necessary power 1990 decided focus modeling energies new Classic Stunt event June1997 129 Gene Martines elegant SV12 XL PA 40 pipe Randy Smith Classic competition 1996 National Championships design consistent performer Aero Products Robin Sizemores Warburton Tonya great flier Bill Richs new Precision Aero Products Astra powered PA 51 Notice unusual wingtip shapes top fliers using Five Fantastic ng Favorites IFrom Worlds Leading Manufacturer Laser Cut Rubber Powered Model Aircraft great new kits value priced $1796 available better hobby shops around world available locally order direct Include $450 shipping kit $650 two kits Foreign orders contact us actual shipping full line catalog $200 Part attraction recreating designs grew up accurate respectsweight trim power Since Fox 35 1950s-vintage engine still production readily available bonus because majority airplanes Classic era powered Foxes would add projects authenticity Classic Stunt projects have included Nobler two Smoothies Pow Wow both versions Thunderbird Fierce Arrow current model Dee Rices fine Oriental Except Fierce Arrow models generally within size weight parameters mentioned earlier Ive competed Classic Stunt five Nats winning once never placing lower fiftieth Along way learned nearly-ancient art getting out Fox 35 have some thoughts about trimming flying Fox-powered Stunt models Fox 35 Stunt engine produced 1948 its basic design has remained unchanged Attempts modify improve engine have unsuccessful handful exceptions Attempts change its basic running character gentle change four-cycle operation level flight two-cycle operation maneuversits trademark Thats what makes Fox 35 suitable Stunt reason still popular Stunt engine ever Fox very light makes wonderful Stunt has small cooling fins limited ability dissipate heat Raising compression hopping up other ways raises engines operating temperature means engine will twocycle nearly time and/or excessively sensitive needle valve settingsthat isnt acceptable Fox 35s produced 1988 have 40th Anniversary logo side crankcase manufactured closer tolerances some previous production runs generally excellent quality few successful attempts improving Fox 35 Replacing Fox needle valve assembly SuperTigre Kustom Kraftmanship needle valve assembly resulting finer adjustment replacing Fox needle valve assembly has common practice decades Replacing stock cylinder head backplate stuffer backplate hemi head either Fox Foster/Smith version Together smooth out engine run improve fuel draw during maneuvers some competitors secretly made changes during 1950s Replacing engine bolts 4-40 Allen-head bolts cylinder head backplate can evenly tightened place Replacing Fox muffler very light RSM tongue muffler runs much better saves weight used setup Ive described Fox version hemi head 1994 Classic national champion Thunderbird engine provided quite enough power handle howling winds blew across Lubbock TX flying site However since Ive used L&J Fox engines prepared Larry Foster Mesa AZ contain improvements described above fitted balanced speeds break-in results 130 Model Aviation rlds Best Laser Cut Parts* PA international Ship captain Alberto Graber Italy displays stable Stunters Alberto says four-stroke engines biplanes trend itv Balsa Wooda * Precise Computer Ei neering* *Light Weight Colored flssue* *Authen tic Waterslide Decals* HERR ENGINEERING CORP 1431 CHAFFEE DR SUITE #3 lb TITUSVILLE FL 32780 407-264-2488 noticeable reduction engine vibration cost approximates new Fox plus replacement partsI highly recommend L&J already have Fox 35 make changes noted will work fine piston/liner seal important way get thoroughly breaking new Fox engine before use Heres 1 Mount engine test stand four-ounce tank 9 x 6 propetler install muffler during break-in 2 Fill fuel tank fuel going use recommend mixture 28% castor oil 10% nitromethane 62% methanol altitudes above 3500 ft increase nitro 15% drop methanol 57% similar Powermist added castor popular Detroit fliers other 1950s fliers FHS will custom-blend fuel you can purchase Sig 10/25 blend Taffs 10% PACeither acceptable substitute long-popular Fox Superfuel has 5% nitro produces less power blend Ive describedI dont recommend Under no circumstances should use off-the-shelf RC fuel Fox does have nearly enough oil oil does have mostly synthetic doesnt provide adequate lubrication crankshaft bearing facilitate carbon build-up cylinder helps form piston/liner seal 3 Start engine choking 2-3 times battery disconnected Flip engine several times work fuel through loosen bearing connect batterythe engine should start easily Little no choking required hot starts Run gallon fuel through engine fairly fast four-cycle Allow cool between tankfuls run engine blubbering rich may damage connecting rod During last 1/2 gallon pinch fuel line hold 5-10 seconds release engine should immediately snap back four-cycle Repeat process several times during test run steps take time will rewarded strong reliable engine will last years After break-in can install RSM muffler Mount Allen-head bolts screwdriver-type Allen wrench rather tongue wrenchit minimizes tendency overtighten perhaps distort crankcase gentle tighten evenly Next breaking fuel tank 1 Use four-ounce Taffinder Smith Tank Kit install plumbing using t/ copper tubing 2 Install uniflow vent facing airstream uniflow tube should 1- 1 inches front fuel pickup tube inside tank mounted level fuel pickup tube close tank Bob Palmers 1957 Thunderbird 3 Install vent tube wherever want Cap after filling through uniflow tube 4 In flight airstream provides ample positive pressure through uniflow tube use muffler pressure 5 Older modelers might remember being told mount engine tank flat against engine bearers needle valve fuel pickup tube would same level Instead shim engine 1/16 off engine bearers will equalize engine run upright inverted Foxes have long famous fourcycling level flight breaking smoothly two-cycle during maneuvers Heres set up Set well-broken-in engine ground two-cycle breaking four-cycle few seconds exact setting will depend angle attack airplane sits its wheels An airplane shallow angle attack needs engine set bit richer steep angle attack After airplane takes off should settle back fast four-cycle about lap Fast means engine just verge twocycling Lap times 60-foot lines 10 x 6 propeller should range 49-51 seconds Running Fox 35 manner will ensure its operating close its torque peak engine will generating plenty power 40ounce 550-square-inch Stunt model lap times 49-51 seconds may sound fast youre used flying larger modern airplanes longer lines its slower todays aircraftyoull see start flying maneuvers Now youre ready fly glow plug propeller choices recommendations Thunderbolt RC Long glow plugs have used years great success 45l05o temperatures 10 x 6 B-Y&O propellers Famous Y&O propellers now manufactured Clarence Bull using Henry Orwicks cruds worst nightmare. its unique dual filter design Great Planes Filling Station fuel can fitting set maximizes glow fuels purification engineers placed Precision Fuel Filters two strategic locationsin pickup filler probeto trap contaminants before can damage 1 engine disrupt fuel flow keep fuel fresh filler probe 0-ring forms tight seal shutting out moisture preventing spills Don Anderson President Founder Great Planes Model Manufacturing GREAT PLANES FILLING STATION er probePRECISION with____ FUEL FILTER PrecisionNo sfop fitter Fuel Filterelement tight manufacturing mtolerances prevents crud slipping past Its also easy remove cleaning Fuel cap 0-ring seal Fuel pickup Precision Fuel Filter Fits fuel can jug free brochure location dealer nearest please call 1 800-682 8948 ext 0414J MODEL MAOGUP rissIbaxe ExalAbAy ThoogO GREAT PiANOS MODEL DISTRIRUTORO COMPANY PO Boo 9021 Champaign IL 01920-9021 OCpyaIl973O72O ow cauSAVE$12 .When buy any4 I GreatPlanes hardware oraccessory items I Coapon Details Limit coupon per customer Void woere reottictod prohibited Customer moot pay applicable sales tax cash oalue 1/100 centThis coupon good 0010 tht USA participating sothorized retailers Great 010000 eaclooioe prodocto retail purchaten Good throogh 12/31/97 Retailer Instructions redeem send original coupon Ira I photocopies accepteh aiong wgh regular Great Planes inonice payment within 30 aays after eevirotior date shown Geduct tOe coupon oulue I your net inoolce P00 mont Proot 01 adeguate purchase may reguired L1 June1997 131 Years now youll still using ProGIo Unlike NoCd starter clips Great Planes ProGlo has no internal wires solder joints restrict maximum power transfer cause failures Thats several reasons ProGlo will last longer other starter clips also uses advanced electro-mechanical connections deliver MORE power efficiently because its powered easily replaceable rechargeable p sub-C NiCd ProGlos lifetime ually unlimited Don Anderson President Founder Great Planes Model Manufacturing 7 0 plungeral/glow securely onto plugsand stays until want off N Available 2 3 chrome plated sockets featuring vinyl tip _____ caps prevent shorts fouling Battery included ProGlo available night AC wall charger For free brochure location dealer nearest please call 1 800 682 8948 mentson code 04111r1 90siita Exaia um, GREAT PtANE5 M55fl DI5ThIBLJY5R5 COMPANY P5Sax 9021 Champaign II 61890-9521 aueae lairl60 ihlot Is— #W5451 5/i" i .When buy any4 GreatPlanes hardware oraccessory items Coupon Detnhls Limit coupon per customer Void whert restricted prohihited Customer moot pay epplicahie saltS tsx Cash nOlue 1/100 centThio rsuport good onip USA padcipstiflg outhsriotd rettilers ot Great Pisnes reclusive products rettil purchsses Good thrsugh 12/31/97I Retailer Inslrucllons tedeem send original coupon no phst pies scceptet sloog aith sop ntgulsr Orsat Planes Inoolce psyment I arYan 30 dayt sUer esplrstiso date shown Seduct coo n value lam net invoice pagment Proot adequate purchase may requir L original tooling perfect match Fox 35 Other acceptable choices 10 x 6W Rev-Up 10 x 6 Top Flite last item take care before fly control lines believe Bob Gieseke notion shorter better works best Fox Its no accident nearly Fox-powered Classic-era aircraft flown 60-foot linesthey compatible engines power strongly suggest using length least starting point Thats 60 feet handle centerline aircraft eyelet-to-eyelet length things youll quickly discover flying Fox-powered model 60-foot lines fivesecond-lap-time its relatively easy hit bottoms accurately wingovers square maneuvers because first light weight Fox results minimal weight extremities aircraft nose tail making easier start stop turns Second important airplane actually going quite slowly thus closing speed airplane approaches ground less larger airplane easier reflexes addition Fox 35 tends back off breaks back four-cycle airplane divinga braking effect mimicked todays tuned pipe setups can ask Five second laps much faster regular PAMPA Stunters 55-second laps True modern Stunters typically fly 70-foot lines An airplane flying five-second lap times 60-foot lines going slower airplane doing 55-second laps 70-foot lines 514 mph vs 545 mph can compare airspeeds favorite Stunter using formula airspeed mph x line length x # laps seconds properly broken-in Fox 35 set up manner Ive described still easy-to-operate competitive engine nearly half-century after its introduction Duke Foxs finest effort still standard against Stunt motors measured Bob Gieseke once told nothing runs like Fox some what Ive discussed applicable other Classic-era engines McCoy Veco OS Max Johnson 35s Fox 35 popular engine period airplanes originally designed its still production dont intend ignore individuals have converted modern Schnuerle-ported engines Stunt use success speaks itself However modelers may want experience Stunt flown 40 years ago putting Fox 35 nose great Classic-era airplanes way go hope article gets off good start Sources B-Y&O Propellers B-Y&O Industries Box 492 Harrisburg OR 97446 541 995-6509 Taffs Fuel Taffs Tank Kits Carolina-Taffinder 8345 Delhi Rd North Charleston SC 29406 803553-7169 Red Max Custom Fuel FHS Supply Inc Box 9 239 Bethel Church Rd Clover SC 29710 800 742-8484 Fox 35 Engines Fox Hemi Head & Stuffer Backplate Kits Fox Superfuel Fox Manufacturing Company 5305 Towson Ave Fort Smith AR 72901 501 646-1656 KK Needle Valve Assemblies Kustom Kraftmanship Box 1538 San Marcos CA 92079 619 761-0511 RSM Mufflers L&J Fox 35 Engines RSM Distribution 40 Calendula Rancho Santa Margarita CA 92668 714 858-8575 Fox 35 Engines Sig Fuel Rev-Up Propellers RSM Mufflers Sig Manufacturing Company 401 South Front St Montezuma IA 5017 1-9900 800 247-5008 Smiths Tank Kits Kenn Smith 521 Jansen Ave San Dimas CA 91773-1617 909 592-2100 Foster/Smith Hemi Heads SuperTigre Needle Valve Assemblies Thunderbolt R/C Long Glow Plugs Randy Smith 1880 Scenic Highway Snellville GA 30278 770 979-2035 Model Aviation xtured aluminum barrel removes easily quick battery \ replacement
