Control JIM Racing Bill Lee IT SEEMS THAT some things racing setups normal forget just what doing case point fillowing information Im taking 1976 issue Duke City Dope Shee4 club publication Albuquerque NM Thun&r birds short article originally authored Phil Shew titled Landing Gear Setup ~-PLAJE BALAI4CD OIJ WHEEL5 earlier newsletter pointed out order get plane roll wheels during hot landing wheels should contact ground 15 degrees ahead CG sure 15 degrees Set plane its wheels lift tail until plane balances CG now vertical line through center wheeL point fuselage should nose-down 15 deg angle An easy way measure divide wing chord fourthe trailing edge should much higher leading edge Example Say wing chord 8 8 4 ing ruler measure height both leading edge trailing edge difference should 2 plane balances much 15 deg count lots bouncing its 15 deg slightly less youll able grease plane high speed just like pros makes life whole lot easier both pilot pitman might earn higher landing points Stunt fliers Now being Stunt excuse Precision Aerobatics flier cannot vouch effectiveness technique models own experience has shown what Phil has writ ten works quite well racing airplanes couple years ago built Ringmaster use Big Goodyear event As allowed modifications kit replaced stock gear bent heavier wire doing placed wheels looked right During practice pilot having no end grief getting thing down safely landing Bounce bounce bounce Nose overbroken propswailing gnashing teeth brought attention too gently Stunt oops Precision Aerobatics flier friend wheels too far forward reminded 15 deg rule Being severely chas tised went home bent new gear put ting wheels right 15 deg Suddenly smooth landings much peace harmo ny between pit crew pilot Believe simple rule really does work Its ob vious seem forget some very inopportune times subject often-overlooked items must bring up topic fuel tanks once again What Im going to lay out what approach no real attempt explain works beginner racing way will work First arrangement will work either suction event allows pressure fuel system fuel tank fuel used replaced tank air either pressure tap pressure system through vents suction system As fuel used level fuel head changes causes engine transition rich lean trick place air inlet tank such position ends up inside tank far outboard possible suction system should vent left open Any other vents should tightly capped after filling tank pressure system vent should vent pressure supplied tank Now know pros will scoff suggestion having troubles racer wanting lean out fuel Continued page 131 64 Model Aviation Sheldon Ybanez 1 Robin Shaw flying /2A Racers Washington DC contest George Caidweil pits DickTyndallsA Goodyear CL championships Winston-Salem NC IL n tmenj ana mommy .arr discuss Tommys Y2A Mouse Class model Norfolk contest Event well-attended Tyndall after winning /2A Scale Race St Virginia State Champs Norfolk Ran 525 Bill Waggonnerirom Greenville NCwithhis1/2A engine made junk parts Mouse Class model Norfolk contest Detroit area good fortune having prototype available can duplicate its detail ing model took over seven years build obviously has quality would expect investment much time hope able observe person sometime Looking 3-views Mr Steve Ashby 1548 Sedlak Court Indianapolis IN 46229 look ing 3-views MU-2 stretched fuselage version anybody knows whereabouts availability 3-view please contact Steve directly Richard P Byron 2506 So 16 1st Circle Omahn Nebraska 68130 CL Racing/Lee Continued page 64 used give suggestion try might surprised difference some pros might want try TR info Heres interesting view engine cooling related items TR Im borrow ing Walt Perkins father Gator Tales driving force behind Shadow Racing want stuff firsthand instead late contact Walt get mailing list Engine cooling has popular topic year seems magic clearance di mension between cylinder cooling duct. no quite sure what have opinion Sure s criticall three years have using molded cooling ducts assembled right engine cylinder largest cylinder own couple layers cellophane tape wrapped around After model flown can always find evidence cylinder touching duct somewhere. dont care duct has standard geometry -in wide entry 7/16in wide exit can easily reproduced balsa Weve used same model record approximately same times 45 deg weather Poland 110 deg weatherTexas doesnt matter use aiuminum case magnesium case short dont won-y much about cylinder cooling opinion lot problems people blaming engine bad cooling actually caused something else illustrate two case histories modeler wrote couldnt get mag engine run well same day aluminum case engine Well cant either swap engines e adjust tank position counteract change center gravity caused lighter motor Some people will argue model flies same angle tangentially regardless CG position can tell have make tank adjust ment change engines Another modeler wrote mag engine went like gangbusters early English spring couldnt get Out its own way summer heat Instead looking improved cylinder cooling suggested consider better crankcase cooling Magnesium titanium have vastly different coefficients thermal expansion sounded cold air spring providing enough cooling keep bearings happy warmer weather havent heard back modeler yet what thought suggestion could wrong thats what experience has shown us dirty motor will also make think have other problems team West Coast FEATURES INCLUDE Space battery & meter panel Transmitter compartment Room gallon fuel PO Box 112 ATTENTION ERS FLIGHTBOX KIT Master Airscrew Flight Box has features larger boxes compact handy arrangement parts cut imported mahogany plywood will take stain varnish paint finishes overall size 19Y2x 9Y2x 12 high 495 dealer $3 postpaid California add 6% Sales Tax Propeller storage Gravity closed small parts storage 7/8 aluminum handle Complete instructions & fasteners Windsor CA 95492 WINDSOR PROPELLER CO 1/4 Scale World War WWI SE5.A KN#RCQS-7 Plan Set $2495 SOY Wingspan 4 Cu Engines wgt iO% lbs wlo radio 35 channels R/C FOKKER TRIPLANE DR-i #RCQS-6 Plan Set $2495 70 Span nonuvrabl flys limited area fie ds Prices Complete Plans Sub Assembly ana Detailed Parts Lists Add $200 Mailing Tube Send Brochure Details new designs & great thin9s come Send $100 Irefundablel information February 1982 131 MAsTER AIRSCRUW EPOXY GLASS COWLS FOR NOSER/ PICA Sb MORGAN BALSA USA PLA TT CONCEPT FLEET HOSTETLER ACM T-CRAFT SHEBER PITTS & SCALE SUPER CUB FOEKER 0-7 BOEING P12 P-2B F4B2 F4B4 SPARROW HA WK GEE BEE MOO Y MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELL4S STARDUSTER II A SCALE J3-BI BABY FLYBABY AIRCAMPER PILOT JUNGMANN 735 SCALE ft OTHERS WHEEL PANTS FOR CITABRIA STAROUS TEA II PITTS SKYBOLT LIBER TV SPORT CHRIS TEN EAGLE PSEHA WK STEARMAN STINSON SR-B MULLIGAN & OTHERS BRAZED ft HEAT-TREATED WIRE GEARS&CABANES LARGE SCALE PLANS AVAILABLE DISCOUNT ON COWL WHEN PLANS ARE PURCHASED Send SASE latest list supply Modelers fiberglass parts plansWrite call us T a D FIBERGLASS SPECIALTIES 30925 BLOcK GARDEN CITY MI 48735 PHONE 313 421-6358 IL@CTITE Corporation major supplier industrial adhesives 60 years entering HOBBY AND CRAFTS field best Cyanoacrylate INSTANT GLUE available anywhere Only BEST everything things asked IL@CTITL CATMTheBEST FORMULA model crafts wood IL@CTITL CA The BEST DISPENSING NOZZLE non clogging custom design A@CTITL CA L@CTITL CA IL@CTITE CA /L@CTITE CA /L@CTI1Z CA BEST PRICE almost twice much money BEST BOTTLE hi-density opaque best ultra violet stability BEST SHELF LIFE 1 year plus BEST GUARANTEE 1 year replacement BEST AVAILABILITY 3 regional warehouse/sales offices IL@CTITE CA THIN FORMULA 1 full fluid ounce-S498 /L@CTITE CA PLUSTM GAP FILLING FORMULA 1 full fluid ounce-$498 ounce competitive adhesive could cost $900 IL@CTITE Reg TM Loctite Corp Regional Warehousing Sales Offices See booth following trade ShOWS MS 5140W-Pasadena California________________ WRAMS SHOW-White Plains New YorkWest House Balsa Central kaI East HIAA SHOW-Dallas Booth No1135MW WUUE TOLEDO SHOW-Todo OhioNO ENR SS MACS SHOW-Long Beach California 34 STATE FAR 95 CERR TOO CARS 0 NG9T05 recently chased after good setting weekend discover real problem dirty motor J E Albritton have spent time vain looking wrong area solve problem discover real culprit somewhere else learned hard way too Bill Lee 3522 Tamarisk Ln Missouri City TX 77459 CL Combat/Johnson Continued page 65 can qualify during meet youre going contest cold turkey let prepare what will come will need sanction contest through AMA pick date several months away will time get announcement Competition Newsletter section magazine great publicity worth about thousand ordinary announcement flyers Since promoting contest will need person act Contest Director person should familiar contest procedures have some knowledge event announcements should list name Contest Director sponsors pertinent information flying exactly prescribed AMA rules must notice ie 3-mm matches kill added Slow Combat Competitors expect fly under known set rules something different about flying site very tall grass carpet over desert should up front about front AMA rule book has lot information youll need know Youd better memorize entire portion pertaining Combatmany competitors can recite backwards Assuming have now sanctioned con test have lots publicity should worrying next about people help run meet fun-fly type meet possible friend decent job kind serious competition must have least two other full-time people two timers circle marshall can also pull-testing other processing pits found very easy way organize pits tightly stretched 50-ft rope acted guideline center model two other ropes 59 ft 6 60 ft 6 acted legal zone handles Combat fliers like cut lines proper lengthmany cant get length within foot two anyway want get tricky place P0 Box 3957 Torrance CA 90510 y2S 1arterll ourV Jt SsCoutna WySess tcS tX es devoted 0xoduX tev~XXssc ~usuaXtO~0 rib" valuable 0ftelf pageS $0Wlede aeroWautsC j Wsaa~j Gatbet recoWeWaX5X dV copy71t6-A2CampfieldRd SendimoreMD 21207 February 1 982 1 33 RUBBER STRIP FAI RUBBERMade uSA SIZES 1/4 3/16 1/8 3/32 1/16 1mm thick 042 BOXED 16 ounces rubber per box PRICE $1200 per box postpaid SA NEW PIRELLI SIZES 6mm 3mm 1mm thick PRICE $1800 per hankapprox 1/2 kg TIMERS KSB FueIand DT $ll5Oea plus 10% us Sole us Distributors & World-wide Sales Send 25 1981 catalog TOCK FOR IMMEDIATE SHIPMENT -New SUPER QUADRA $8995 ORISIGHELA FLYWHEELs1069R QUADRA MARINE eg ne s1249s QUADRA REPAIR51000 eUs eSSIS KIORITZ engne 1244 c51R59S Je Messe ERCOUPEPLAES 23 95 II $22995 inn Mesne TOMAHAWKPLANS $2395 KIT $23995 5ALSA end BASSWOOD eli SCeSI35S OFF Conneps FLEETKIT 5517995 PO Conel $1995 QUADRA 11 leEks6 oz 5695 32 oz 57 95 1/3 VICKERS os EWIS MACHINE DUN KITS$1495 10 e COVERED WHEEnS los 154 Peps2RRS PLANS SUPER STEARMAN 1 4 10055I50y1R2800 STARDUSTER TOO 1 4 BosoEsIle52995 1 3 see i-S Ce NoIseR29 95 VOLESPLANE 1 3 CEns CUes el521 95 FLY 5455 3 51R SE SE-S 1 3Rancn92495 COCKPIT KITS Sleesesee Fleel F4U-t$2195 Escoope $1795 Tosnehoenk $21 50 Csess,S2495 3-3 Cob $1950 ME-109 $2150 Spsfse$2195 PISEAGLASS ARROW SHAFTS 5/16 32 10555 6/91000 24-Hour Service $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 valley View DrAllegany NY 14706
Edition: Model Aviation - 1982/02
Page Numbers: 64, 131, 133
Control JIM Racing Bill Lee IT SEEMS THAT some things racing setups normal forget just what doing case point fillowing information Im taking 1976 issue Duke City Dope Shee4 club publication Albuquerque NM Thun&r birds short article originally authored Phil Shew titled Landing Gear Setup ~-PLAJE BALAI4CD OIJ WHEEL5 earlier newsletter pointed out order get plane roll wheels during hot landing wheels should contact ground 15 degrees ahead CG sure 15 degrees Set plane its wheels lift tail until plane balances CG now vertical line through center wheeL point fuselage should nose-down 15 deg angle An easy way measure divide wing chord fourthe trailing edge should much higher leading edge Example Say wing chord 8 8 4 ing ruler measure height both leading edge trailing edge difference should 2 plane balances much 15 deg count lots bouncing its 15 deg slightly less youll able grease plane high speed just like pros makes life whole lot easier both pilot pitman might earn higher landing points Stunt fliers Now being Stunt excuse Precision Aerobatics flier cannot vouch effectiveness technique models own experience has shown what Phil has writ ten works quite well racing airplanes couple years ago built Ringmaster use Big Goodyear event As allowed modifications kit replaced stock gear bent heavier wire doing placed wheels looked right During practice pilot having no end grief getting thing down safely landing Bounce bounce bounce Nose overbroken propswailing gnashing teeth brought attention too gently Stunt oops Precision Aerobatics flier friend wheels too far forward reminded 15 deg rule Being severely chas tised went home bent new gear put ting wheels right 15 deg Suddenly smooth landings much peace harmo ny between pit crew pilot Believe simple rule really does work Its ob vious seem forget some very inopportune times subject often-overlooked items must bring up topic fuel tanks once again What Im going to lay out what approach no real attempt explain works beginner racing way will work First arrangement will work either suction event allows pressure fuel system fuel tank fuel used replaced tank air either pressure tap pressure system through vents suction system As fuel used level fuel head changes causes engine transition rich lean trick place air inlet tank such position ends up inside tank far outboard possible suction system should vent left open Any other vents should tightly capped after filling tank pressure system vent should vent pressure supplied tank Now know pros will scoff suggestion having troubles racer wanting lean out fuel Continued page 131 64 Model Aviation Sheldon Ybanez 1 Robin Shaw flying /2A Racers Washington DC contest George Caidweil pits DickTyndallsA Goodyear CL championships Winston-Salem NC IL n tmenj ana mommy .arr discuss Tommys Y2A Mouse Class model Norfolk contest Event well-attended Tyndall after winning /2A Scale Race St Virginia State Champs Norfolk Ran 525 Bill Waggonnerirom Greenville NCwithhis1/2A engine made junk parts Mouse Class model Norfolk contest Detroit area good fortune having prototype available can duplicate its detail ing model took over seven years build obviously has quality would expect investment much time hope able observe person sometime Looking 3-views Mr Steve Ashby 1548 Sedlak Court Indianapolis IN 46229 look ing 3-views MU-2 stretched fuselage version anybody knows whereabouts availability 3-view please contact Steve directly Richard P Byron 2506 So 16 1st Circle Omahn Nebraska 68130 CL Racing/Lee Continued page 64 used give suggestion try might surprised difference some pros might want try TR info Heres interesting view engine cooling related items TR Im borrow ing Walt Perkins father Gator Tales driving force behind Shadow Racing want stuff firsthand instead late contact Walt get mailing list Engine cooling has popular topic year seems magic clearance di mension between cylinder cooling duct. no quite sure what have opinion Sure s criticall three years have using molded cooling ducts assembled right engine cylinder largest cylinder own couple layers cellophane tape wrapped around After model flown can always find evidence cylinder touching duct somewhere. dont care duct has standard geometry -in wide entry 7/16in wide exit can easily reproduced balsa Weve used same model record approximately same times 45 deg weather Poland 110 deg weatherTexas doesnt matter use aiuminum case magnesium case short dont won-y much about cylinder cooling opinion lot problems people blaming engine bad cooling actually caused something else illustrate two case histories modeler wrote couldnt get mag engine run well same day aluminum case engine Well cant either swap engines e adjust tank position counteract change center gravity caused lighter motor Some people will argue model flies same angle tangentially regardless CG position can tell have make tank adjust ment change engines Another modeler wrote mag engine went like gangbusters early English spring couldnt get Out its own way summer heat Instead looking improved cylinder cooling suggested consider better crankcase cooling Magnesium titanium have vastly different coefficients thermal expansion sounded cold air spring providing enough cooling keep bearings happy warmer weather havent heard back modeler yet what thought suggestion could wrong thats what experience has shown us dirty motor will also make think have other problems team West Coast FEATURES INCLUDE Space battery & meter panel Transmitter compartment Room gallon fuel PO Box 112 ATTENTION ERS FLIGHTBOX KIT Master Airscrew Flight Box has features larger boxes compact handy arrangement parts cut imported mahogany plywood will take stain varnish paint finishes overall size 19Y2x 9Y2x 12 high 495 dealer $3 postpaid California add 6% Sales Tax Propeller storage Gravity closed small parts storage 7/8 aluminum handle Complete instructions & fasteners Windsor CA 95492 WINDSOR PROPELLER CO 1/4 Scale World War WWI SE5.A KN#RCQS-7 Plan Set $2495 SOY Wingspan 4 Cu Engines wgt iO% lbs wlo radio 35 channels R/C FOKKER TRIPLANE DR-i #RCQS-6 Plan Set $2495 70 Span nonuvrabl flys limited area fie ds Prices Complete Plans Sub Assembly ana Detailed Parts Lists Add $200 Mailing Tube Send Brochure Details new designs & great thin9s come Send $100 Irefundablel information February 1982 131 MAsTER AIRSCRUW EPOXY GLASS COWLS FOR NOSER/ PICA Sb MORGAN BALSA USA PLA TT CONCEPT FLEET HOSTETLER ACM T-CRAFT SHEBER PITTS & SCALE SUPER CUB FOEKER 0-7 BOEING P12 P-2B F4B2 F4B4 SPARROW HA WK GEE BEE MOO Y MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELL4S STARDUSTER II A SCALE J3-BI BABY FLYBABY AIRCAMPER PILOT JUNGMANN 735 SCALE ft OTHERS WHEEL PANTS FOR CITABRIA STAROUS TEA II PITTS SKYBOLT LIBER TV SPORT CHRIS TEN EAGLE PSEHA WK STEARMAN STINSON SR-B MULLIGAN & OTHERS BRAZED ft HEAT-TREATED WIRE GEARS&CABANES LARGE SCALE PLANS AVAILABLE DISCOUNT ON COWL WHEN PLANS ARE PURCHASED Send SASE latest list supply Modelers fiberglass parts plansWrite call us T a D FIBERGLASS SPECIALTIES 30925 BLOcK GARDEN CITY MI 48735 PHONE 313 421-6358 IL@CTITE Corporation major supplier industrial adhesives 60 years entering HOBBY AND CRAFTS field best Cyanoacrylate INSTANT GLUE available anywhere Only BEST everything things asked IL@CTITL CATMTheBEST FORMULA model crafts wood IL@CTITL CA The BEST DISPENSING NOZZLE non clogging custom design A@CTITL CA L@CTITL CA IL@CTITE CA /L@CTITE CA /L@CTI1Z CA BEST PRICE almost twice much money BEST BOTTLE hi-density opaque best ultra violet stability BEST SHELF LIFE 1 year plus BEST GUARANTEE 1 year replacement BEST AVAILABILITY 3 regional warehouse/sales offices IL@CTITE CA THIN FORMULA 1 full fluid ounce-S498 /L@CTITE CA PLUSTM GAP FILLING FORMULA 1 full fluid ounce-$498 ounce competitive adhesive could cost $900 IL@CTITE Reg TM Loctite Corp Regional Warehousing Sales Offices See booth following trade ShOWS MS 5140W-Pasadena California________________ WRAMS SHOW-White Plains New YorkWest House Balsa Central kaI East HIAA SHOW-Dallas Booth No1135MW WUUE TOLEDO SHOW-Todo OhioNO ENR SS MACS SHOW-Long Beach California 34 STATE FAR 95 CERR TOO CARS 0 NG9T05 recently chased after good setting weekend discover real problem dirty motor J E Albritton have spent time vain looking wrong area solve problem discover real culprit somewhere else learned hard way too Bill Lee 3522 Tamarisk Ln Missouri City TX 77459 CL Combat/Johnson Continued page 65 can qualify during meet youre going contest cold turkey let prepare what will come will need sanction contest through AMA pick date several months away will time get announcement Competition Newsletter section magazine great publicity worth about thousand ordinary announcement flyers Since promoting contest will need person act Contest Director person should familiar contest procedures have some knowledge event announcements should list name Contest Director sponsors pertinent information flying exactly prescribed AMA rules must notice ie 3-mm matches kill added Slow Combat Competitors expect fly under known set rules something different about flying site very tall grass carpet over desert should up front about front AMA rule book has lot information youll need know Youd better memorize entire portion pertaining Combatmany competitors can recite backwards Assuming have now sanctioned con test have lots publicity should worrying next about people help run meet fun-fly type meet possible friend decent job kind serious competition must have least two other full-time people two timers circle marshall can also pull-testing other processing pits found very easy way organize pits tightly stretched 50-ft rope acted guideline center model two other ropes 59 ft 6 60 ft 6 acted legal zone handles Combat fliers like cut lines proper lengthmany cant get length within foot two anyway want get tricky place P0 Box 3957 Torrance CA 90510 y2S 1arterll ourV Jt SsCoutna WySess tcS tX es devoted 0xoduX tev~XXssc ~usuaXtO~0 rib" valuable 0ftelf pageS $0Wlede aeroWautsC j Wsaa~j Gatbet recoWeWaX5X dV copy71t6-A2CampfieldRd SendimoreMD 21207 February 1 982 1 33 RUBBER STRIP FAI RUBBERMade uSA SIZES 1/4 3/16 1/8 3/32 1/16 1mm thick 042 BOXED 16 ounces rubber per box PRICE $1200 per box postpaid SA NEW PIRELLI SIZES 6mm 3mm 1mm thick PRICE $1800 per hankapprox 1/2 kg TIMERS KSB FueIand DT $ll5Oea plus 10% us Sole us Distributors & World-wide Sales Send 25 1981 catalog TOCK FOR IMMEDIATE SHIPMENT -New SUPER QUADRA $8995 ORISIGHELA FLYWHEELs1069R QUADRA MARINE eg ne s1249s QUADRA REPAIR51000 eUs eSSIS KIORITZ engne 1244 c51R59S Je Messe ERCOUPEPLAES 23 95 II $22995 inn Mesne TOMAHAWKPLANS $2395 KIT $23995 5ALSA end BASSWOOD eli SCeSI35S OFF Conneps FLEETKIT 5517995 PO Conel $1995 QUADRA 11 leEks6 oz 5695 32 oz 57 95 1/3 VICKERS os EWIS MACHINE DUN KITS$1495 10 e COVERED WHEEnS los 154 Peps2RRS PLANS SUPER STEARMAN 1 4 10055I50y1R2800 STARDUSTER TOO 1 4 BosoEsIle52995 1 3 see i-S Ce NoIseR29 95 VOLESPLANE 1 3 CEns CUes el521 95 FLY 5455 3 51R SE SE-S 1 3Rancn92495 COCKPIT KITS Sleesesee Fleel F4U-t$2195 Escoope $1795 Tosnehoenk $21 50 Csess,S2495 3-3 Cob $1950 ME-109 $2150 Spsfse$2195 PISEAGLASS ARROW SHAFTS 5/16 32 10555 6/91000 24-Hour Service $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 valley View DrAllegany NY 14706
Edition: Model Aviation - 1982/02
Page Numbers: 64, 131, 133
Control JIM Racing Bill Lee IT SEEMS THAT some things racing setups normal forget just what doing case point fillowing information Im taking 1976 issue Duke City Dope Shee4 club publication Albuquerque NM Thun&r birds short article originally authored Phil Shew titled Landing Gear Setup ~-PLAJE BALAI4CD OIJ WHEEL5 earlier newsletter pointed out order get plane roll wheels during hot landing wheels should contact ground 15 degrees ahead CG sure 15 degrees Set plane its wheels lift tail until plane balances CG now vertical line through center wheeL point fuselage should nose-down 15 deg angle An easy way measure divide wing chord fourthe trailing edge should much higher leading edge Example Say wing chord 8 8 4 ing ruler measure height both leading edge trailing edge difference should 2 plane balances much 15 deg count lots bouncing its 15 deg slightly less youll able grease plane high speed just like pros makes life whole lot easier both pilot pitman might earn higher landing points Stunt fliers Now being Stunt excuse Precision Aerobatics flier cannot vouch effectiveness technique models own experience has shown what Phil has writ ten works quite well racing airplanes couple years ago built Ringmaster use Big Goodyear event As allowed modifications kit replaced stock gear bent heavier wire doing placed wheels looked right During practice pilot having no end grief getting thing down safely landing Bounce bounce bounce Nose overbroken propswailing gnashing teeth brought attention too gently Stunt oops Precision Aerobatics flier friend wheels too far forward reminded 15 deg rule Being severely chas tised went home bent new gear put ting wheels right 15 deg Suddenly smooth landings much peace harmo ny between pit crew pilot Believe simple rule really does work Its ob vious seem forget some very inopportune times subject often-overlooked items must bring up topic fuel tanks once again What Im going to lay out what approach no real attempt explain works beginner racing way will work First arrangement will work either suction event allows pressure fuel system fuel tank fuel used replaced tank air either pressure tap pressure system through vents suction system As fuel used level fuel head changes causes engine transition rich lean trick place air inlet tank such position ends up inside tank far outboard possible suction system should vent left open Any other vents should tightly capped after filling tank pressure system vent should vent pressure supplied tank Now know pros will scoff suggestion having troubles racer wanting lean out fuel Continued page 131 64 Model Aviation Sheldon Ybanez 1 Robin Shaw flying /2A Racers Washington DC contest George Caidweil pits DickTyndallsA Goodyear CL championships Winston-Salem NC IL n tmenj ana mommy .arr discuss Tommys Y2A Mouse Class model Norfolk contest Event well-attended Tyndall after winning /2A Scale Race St Virginia State Champs Norfolk Ran 525 Bill Waggonnerirom Greenville NCwithhis1/2A engine made junk parts Mouse Class model Norfolk contest Detroit area good fortune having prototype available can duplicate its detail ing model took over seven years build obviously has quality would expect investment much time hope able observe person sometime Looking 3-views Mr Steve Ashby 1548 Sedlak Court Indianapolis IN 46229 look ing 3-views MU-2 stretched fuselage version anybody knows whereabouts availability 3-view please contact Steve directly Richard P Byron 2506 So 16 1st Circle Omahn Nebraska 68130 CL Racing/Lee Continued page 64 used give suggestion try might surprised difference some pros might want try TR info Heres interesting view engine cooling related items TR Im borrow ing Walt Perkins father Gator Tales driving force behind Shadow Racing want stuff firsthand instead late contact Walt get mailing list Engine cooling has popular topic year seems magic clearance di mension between cylinder cooling duct. no quite sure what have opinion Sure s criticall three years have using molded cooling ducts assembled right engine cylinder largest cylinder own couple layers cellophane tape wrapped around After model flown can always find evidence cylinder touching duct somewhere. dont care duct has standard geometry -in wide entry 7/16in wide exit can easily reproduced balsa Weve used same model record approximately same times 45 deg weather Poland 110 deg weatherTexas doesnt matter use aiuminum case magnesium case short dont won-y much about cylinder cooling opinion lot problems people blaming engine bad cooling actually caused something else illustrate two case histories modeler wrote couldnt get mag engine run well same day aluminum case engine Well cant either swap engines e adjust tank position counteract change center gravity caused lighter motor Some people will argue model flies same angle tangentially regardless CG position can tell have make tank adjust ment change engines Another modeler wrote mag engine went like gangbusters early English spring couldnt get Out its own way summer heat Instead looking improved cylinder cooling suggested consider better crankcase cooling Magnesium titanium have vastly different coefficients thermal expansion sounded cold air spring providing enough cooling keep bearings happy warmer weather havent heard back modeler yet what thought suggestion could wrong thats what experience has shown us dirty motor will also make think have other problems team West Coast FEATURES INCLUDE Space battery & meter panel Transmitter compartment Room gallon fuel PO Box 112 ATTENTION ERS FLIGHTBOX KIT Master Airscrew Flight Box has features larger boxes compact handy arrangement parts cut imported mahogany plywood will take stain varnish paint finishes overall size 19Y2x 9Y2x 12 high 495 dealer $3 postpaid California add 6% Sales Tax Propeller storage Gravity closed small parts storage 7/8 aluminum handle Complete instructions & fasteners Windsor CA 95492 WINDSOR PROPELLER CO 1/4 Scale World War WWI SE5.A KN#RCQS-7 Plan Set $2495 SOY Wingspan 4 Cu Engines wgt iO% lbs wlo radio 35 channels R/C FOKKER TRIPLANE DR-i #RCQS-6 Plan Set $2495 70 Span nonuvrabl flys limited area fie ds Prices Complete Plans Sub Assembly ana Detailed Parts Lists Add $200 Mailing Tube Send Brochure Details new designs & great thin9s come Send $100 Irefundablel information February 1982 131 MAsTER AIRSCRUW EPOXY GLASS COWLS FOR NOSER/ PICA Sb MORGAN BALSA USA PLA TT CONCEPT FLEET HOSTETLER ACM T-CRAFT SHEBER PITTS & SCALE SUPER CUB FOEKER 0-7 BOEING P12 P-2B F4B2 F4B4 SPARROW HA WK GEE BEE MOO Y MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGHELL4S STARDUSTER II A SCALE J3-BI BABY FLYBABY AIRCAMPER PILOT JUNGMANN 735 SCALE ft OTHERS WHEEL PANTS FOR CITABRIA STAROUS TEA II PITTS SKYBOLT LIBER TV SPORT CHRIS TEN EAGLE PSEHA WK STEARMAN STINSON SR-B MULLIGAN & OTHERS BRAZED ft HEAT-TREATED WIRE GEARS&CABANES LARGE SCALE PLANS AVAILABLE DISCOUNT ON COWL WHEN PLANS ARE PURCHASED Send SASE latest list supply Modelers fiberglass parts plansWrite call us T a D FIBERGLASS SPECIALTIES 30925 BLOcK GARDEN CITY MI 48735 PHONE 313 421-6358 IL@CTITE Corporation major supplier industrial adhesives 60 years entering HOBBY AND CRAFTS field best Cyanoacrylate INSTANT GLUE available anywhere Only BEST everything things asked IL@CTITL CATMTheBEST FORMULA model crafts wood IL@CTITL CA The BEST DISPENSING NOZZLE non clogging custom design A@CTITL CA L@CTITL CA IL@CTITE CA /L@CTITE CA /L@CTI1Z CA BEST PRICE almost twice much money BEST BOTTLE hi-density opaque best ultra violet stability BEST SHELF LIFE 1 year plus BEST GUARANTEE 1 year replacement BEST AVAILABILITY 3 regional warehouse/sales offices IL@CTITE CA THIN FORMULA 1 full fluid ounce-S498 /L@CTITE CA PLUSTM GAP FILLING FORMULA 1 full fluid ounce-$498 ounce competitive adhesive could cost $900 IL@CTITE Reg TM Loctite Corp Regional Warehousing Sales Offices See booth following trade ShOWS MS 5140W-Pasadena California________________ WRAMS SHOW-White Plains New YorkWest House Balsa Central kaI East HIAA SHOW-Dallas Booth No1135MW WUUE TOLEDO SHOW-Todo OhioNO ENR SS MACS SHOW-Long Beach California 34 STATE FAR 95 CERR TOO CARS 0 NG9T05 recently chased after good setting weekend discover real problem dirty motor J E Albritton have spent time vain looking wrong area solve problem discover real culprit somewhere else learned hard way too Bill Lee 3522 Tamarisk Ln Missouri City TX 77459 CL Combat/Johnson Continued page 65 can qualify during meet youre going contest cold turkey let prepare what will come will need sanction contest through AMA pick date several months away will time get announcement Competition Newsletter section magazine great publicity worth about thousand ordinary announcement flyers Since promoting contest will need person act Contest Director person should familiar contest procedures have some knowledge event announcements should list name Contest Director sponsors pertinent information flying exactly prescribed AMA rules must notice ie 3-mm matches kill added Slow Combat Competitors expect fly under known set rules something different about flying site very tall grass carpet over desert should up front about front AMA rule book has lot information youll need know Youd better memorize entire portion pertaining Combatmany competitors can recite backwards Assuming have now sanctioned con test have lots publicity should worrying next about people help run meet fun-fly type meet possible friend decent job kind serious competition must have least two other full-time people two timers circle marshall can also pull-testing other processing pits found very easy way organize pits tightly stretched 50-ft rope acted guideline center model two other ropes 59 ft 6 60 ft 6 acted legal zone handles Combat fliers like cut lines proper lengthmany cant get length within foot two anyway want get tricky place P0 Box 3957 Torrance CA 90510 y2S 1arterll ourV Jt SsCoutna WySess tcS tX es devoted 0xoduX tev~XXssc ~usuaXtO~0 rib" valuable 0ftelf pageS $0Wlede aeroWautsC j Wsaa~j Gatbet recoWeWaX5X dV copy71t6-A2CampfieldRd SendimoreMD 21207 February 1 982 1 33 RUBBER STRIP FAI RUBBERMade uSA SIZES 1/4 3/16 1/8 3/32 1/16 1mm thick 042 BOXED 16 ounces rubber per box PRICE $1200 per box postpaid SA NEW PIRELLI SIZES 6mm 3mm 1mm thick PRICE $1800 per hankapprox 1/2 kg TIMERS KSB FueIand DT $ll5Oea plus 10% us Sole us Distributors & World-wide Sales Send 25 1981 catalog TOCK FOR IMMEDIATE SHIPMENT -New SUPER QUADRA $8995 ORISIGHELA FLYWHEELs1069R QUADRA MARINE eg ne s1249s QUADRA REPAIR51000 eUs eSSIS KIORITZ engne 1244 c51R59S Je Messe ERCOUPEPLAES 23 95 II $22995 inn Mesne TOMAHAWKPLANS $2395 KIT $23995 5ALSA end BASSWOOD eli SCeSI35S OFF Conneps FLEETKIT 5517995 PO Conel $1995 QUADRA 11 leEks6 oz 5695 32 oz 57 95 1/3 VICKERS os EWIS MACHINE DUN KITS$1495 10 e COVERED WHEEnS los 154 Peps2RRS PLANS SUPER STEARMAN 1 4 10055I50y1R2800 STARDUSTER TOO 1 4 BosoEsIle52995 1 3 see i-S Ce NoIseR29 95 VOLESPLANE 1 3 CEns CUes el521 95 FLY 5455 3 51R SE 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