PRECISION MODEL PRODUCTS fZZZ~jyftNiV Made USA f44\ BARSTOCK ALUMINUM SPINNERS Part NoSize Ti-iSO-B .. 1-112 TT-175-8 . TT-200-B TT-225-B . 4 TT-226-B .. 2-114 FAll TT-250-B 112 TT-251-B -1/2FAI .. TT-275-B .. 23/4 TT-276-B .. 2-3/4 FAIl .. TT-300-B 11-301-B FAll TT-325-B . 4 11-350-B .. 3-1/2 11-375-B .. 3-3/4 TT-400-B RetailApprox PriceWeight $1395058 oz 1495095oz 1595100oz 1695160oz 1895150oz 1895190oz 2095170oz 2295220oz 2495200oz 2695260oz 289525002 369534002 499547002 5995520oz 6995570oz 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner Part NoSize TT-140-A.1/428 11-147-A 28/7mm 11-610-A6x 10mm 11710-A7 x 10mm 11516-A5/16-24 .. 11-518-A 5/16-24/8mm 11-810-A 10mm TT-825-A 125mm TT-375-A 24 . TT-125-A x 125mm RetailApprox PriceWeight $495 061 02 495 061 oz 495 . 063 02 495 . 082 02 495 076 oz 495 076 oz 49507602 495075oz 59511702 595 .llSoz 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 Taperwimg Typo reference article John Hun ton starting page 52 January 1989 issue Model Aviation typo near bottom page 53 line Dt xq 05 V Cd S term V should V2 next line obviously used 132 x 132 V2 ar rive value CdT agree 90 mph versus 79 mph GLH based simplified assumptions know nothing about either model would expect drag aerodynamically clean model would mostly arise skin friction case considered max speed very low CL relative speeds same engine prop fuel weight etc would depend mainly total model sur face area wing fuselage tail John W McKee Baytown TX enjoy reading Model Aviation article Taperwing 1/iA Pylon Racer no exception especially inter ested John Huntons performance com parisons GLH Taperwing previously calculated performance number CL Speed planes comparison purposes assumptions made resultant performance follows Assumptions Weight 05 lb Engine power 015 bhp Propulsive efficiency 70% Wing area 21 square inches re quired 30 mph takeoff Control lines two 010 diameter 42 ft long Results Total drag 043 lb Wing drag 12% Body drag 7% Line drag 81% Top speed 89 mph As calculation results show con trol lines far largest component total drag becomes immediately appar ent engine power propeller effi ciency important success Control Line Speed model Paul Rice Richland WA 1946 Enclosed two photos Control Line P-S 1 dad brought back 1946 prior December 5 aluminum ex Continued page 10 First Scale Rocket Dont Have Rocket Scientist Build MRC engineers decided design scale replica Sidewinder kept two things mind Hot performance ease construction Using state-of-the-art Computer Aided Designs CAD Sidewinder soars 1000 ft higher hitch dont know rockets authenticity good looks Sidewinder Arm yourself todaywith easy-to-assemble Sidewinder blast off good times Because its size complexity Sidewinder recommended modelers have built launched beginner kit Sidewinder. another leadership innovation MRC Sendforafree catalog See full line advanced MRC rockets hobby dealer cant help call us directly MRCG Model Rectifier Corporation 2500 Woodbndge Ave Edison NJ 08817 201 985-7800 8 Model Aviation ie rs TOIl e Editor letters will carefully considered general Interest used Send Model AviatIon 1810 Samuel Morse Dr Reston VA 22090 PROP NUT ADAPTORS production parts new American designed 060 powered helicop ter mostly made US house now LEGEND kits shipped worldwide daily Reception worlds top fliers has far exceeded ex pectations LEGEND revolutionary its simplistic design engineer inq though LEGEND mostly made steel aluminum lightest weight helicopter its size Eight different helicopters can created LEGEND system choosing what best suits just few LEGENDS features new industry EASY TO FLY FLYBARLESS HEAD ePREASSEMBLED SERVO TRAY CHOICE OF ROTOR HEADS SIMPLE TAIL BELT DRIVE OPREASSEMBLED ROTOR HEAD GEARBOX OR BELTDRIVE TAIL TRIPLE BEARINGS IN EACH TAIL BLADE HOLDER AND MAIN SHAFT informationwrite call today 81 8-992-0 1 95 FAX#81 8702011 7 b4 Gorham Model Products INC 23961 Craftsman Road Calabasas CA 91302 IVES Rush GMP flight demo video tape & catalog $2995 Add $3 postage handling/ $7 Federal Express Standard Air shipment Please indicate formatI IVHS IBETA JYES Rush me.cnl.GMPs illustrated color catalog $200 postpaid IVISA lMasterCard#exp date________ enclose check/money order amount of_____________________________ Name Zip L cept wooden wing stabilizer tips riv eted together two props have stamped Miniature Motors P-5 1 powered 29 Bullet engine flown twice both flights being successful Gordon T Bland Temple TX Pulsemaster 64 especially enjoyed article entitled Pulsemaster 64 Bernard L Stuecker December 1988 issue After reading considering seemed capable doing wrote author obtain software available connec tors Bernie especially prompt sup plying few days later able construct circuit results quite gratifying No problems encountered wiring software works just claimed interest use unit finally identified real cause erratic behavior RC models elevator servo defective has unusual amount what call over shoot about 120 its direction re versed No wonder kept chasing tails trying get model trimmed both physically electronically After replac ing servo almost brand new another similar type trimming snap Now model flies just felt should plan take test device along C-64 computer demonstrate its fea tures next club meeting theres enough interest will make up some ad apter connectors various kinds equip ment can tested Olin K McDaniel Florence SC BT-7 BT-9 Again letters section January 1989 issue discussion about BT-9 Continued page 12 10 Model Aviation Theyre Theyre 1 C E iSLE LIIVD, THEY HERE ZAP UNIVERSITY COLLEGE OF GLUE KNOWLEDGE IL@CTITE Tediqe LHC-07 HIGH TEMP RTV SILICONE Perfect use making gaskets minute High pressure temperature resistant Seals leaks no competition product Simply best Use High Temp RN Silicone for. CRANKCASE GASKETS t j FFLERS AND TUNED PIPES SEALING LEAKS AROUND CARBURETORS rnIl EXHAUST HEADERS Available qualfly hobby shops evuywhue Loctite isa registered trademark Loctite Corporation reference caption said Really BT-7 Mr Caton correct identification BT-9 Mr Kaman slightly correct saying BT-9 fixed gear version AT-6 Perhaps can clear up same time identifr two North American trainers knowledge have never modeled North American produced same time basic trainer BT-9 ad vanced trainer BC-i BC-i similar basic configuration BT-9 rounded vertical fin However BC-i larger engine retracts constant-speed prop BT-9 twospeed prop BC designation advanced trainer meant Basic Combat Later North American improved breed produced BT-14 AT-6 BT-14 AT-6 now-familiar sharp-pointed vertical fin same rugged construction same honest forgiving flight char acteristics forerunners BT-9 BC-i took basic training Randolph winter 1940 big push start ing produce pilots cadets di vided two flying sections flew 13T-9 other BT-i4s flew BT-9 went Brooks Field advanced training flew BC-i AT-6 Flight characteristics cockpit configura tion almost identical gradu ated Brooks stayed instructor cadet students experienced no difficulty whatsoever transitioning AT-6 BC-i vice versa Kelly Field also same mix BCis AT-6s Im retired USAF now travels have seen wonderful AT-6 around world Seems like no will see either AT-6 Gooney Bird Mr Caton mentioned flying AT-9 Curtiss-built twin-engine advanced trainer Cant understand Scale modelers havent discovered bird beautiful machine typical very skinny Cur tiss fuselage empennage large bulbous side-by-side cockpit flew Lubbock right sporty AT-9 designed give cadets ex perience twin-engine bird high wing loadingand did just chopped power dropped flaps gear youd better sure runway di rectly under plane because sure couldnt glide bird nick named Mole because bulbous nose seem recall Wylam once did drawings plane hope have clarified some differ ences planes BT-9 fixed-gear version BC-i BT-14 fixed-gear version AT-6 Del Wood Coeur dAlene ID 12 Model Aviation
Edition: Model Aviation - 1989/04
Page Numbers: 8, 10, 12
PRECISION MODEL PRODUCTS fZZZ~jyftNiV Made USA f44\ BARSTOCK ALUMINUM SPINNERS Part NoSize Ti-iSO-B .. 1-112 TT-175-8 . TT-200-B TT-225-B . 4 TT-226-B .. 2-114 FAll TT-250-B 112 TT-251-B -1/2FAI .. TT-275-B .. 23/4 TT-276-B .. 2-3/4 FAIl .. TT-300-B 11-301-B FAll TT-325-B . 4 11-350-B .. 3-1/2 11-375-B .. 3-3/4 TT-400-B RetailApprox PriceWeight $1395058 oz 1495095oz 1595100oz 1695160oz 1895150oz 1895190oz 2095170oz 2295220oz 2495200oz 2695260oz 289525002 369534002 499547002 5995520oz 6995570oz 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner Part NoSize TT-140-A.1/428 11-147-A 28/7mm 11-610-A6x 10mm 11710-A7 x 10mm 11516-A5/16-24 .. 11-518-A 5/16-24/8mm 11-810-A 10mm TT-825-A 125mm TT-375-A 24 . TT-125-A x 125mm RetailApprox PriceWeight $495 061 02 495 061 oz 495 . 063 02 495 . 082 02 495 076 oz 495 076 oz 49507602 495075oz 59511702 595 .llSoz 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 Taperwimg Typo reference article John Hun ton starting page 52 January 1989 issue Model Aviation typo near bottom page 53 line Dt xq 05 V Cd S term V should V2 next line obviously used 132 x 132 V2 ar rive value CdT agree 90 mph versus 79 mph GLH based simplified assumptions know nothing about either model would expect drag aerodynamically clean model would mostly arise skin friction case considered max speed very low CL relative speeds same engine prop fuel weight etc would depend mainly total model sur face area wing fuselage tail John W McKee Baytown TX enjoy reading Model Aviation article Taperwing 1/iA Pylon Racer no exception especially inter ested John Huntons performance com parisons GLH Taperwing previously calculated performance number CL Speed planes comparison purposes assumptions made resultant performance follows Assumptions Weight 05 lb Engine power 015 bhp Propulsive efficiency 70% Wing area 21 square inches re quired 30 mph takeoff Control lines two 010 diameter 42 ft long Results Total drag 043 lb Wing drag 12% Body drag 7% Line drag 81% Top speed 89 mph As calculation results show con trol lines far largest component total drag becomes immediately appar ent engine power propeller effi ciency important success Control Line Speed model Paul Rice Richland WA 1946 Enclosed two photos Control Line P-S 1 dad brought back 1946 prior December 5 aluminum ex Continued page 10 First Scale Rocket Dont Have Rocket Scientist Build MRC engineers decided design scale replica Sidewinder kept two things mind Hot performance ease construction Using state-of-the-art Computer Aided Designs CAD Sidewinder soars 1000 ft higher hitch dont know rockets authenticity good looks Sidewinder Arm yourself todaywith easy-to-assemble Sidewinder blast off good times Because its size complexity Sidewinder recommended modelers have built launched beginner kit Sidewinder. another leadership innovation MRC Sendforafree catalog See full line advanced MRC rockets hobby dealer cant help call us directly MRCG Model Rectifier Corporation 2500 Woodbndge Ave Edison NJ 08817 201 985-7800 8 Model Aviation ie rs TOIl e Editor letters will carefully considered general Interest used Send Model AviatIon 1810 Samuel Morse Dr Reston VA 22090 PROP NUT ADAPTORS production parts new American designed 060 powered helicop ter mostly made US house now LEGEND kits shipped worldwide daily Reception worlds top fliers has far exceeded ex pectations LEGEND revolutionary its simplistic design engineer inq though LEGEND mostly made steel aluminum lightest weight helicopter its size Eight different helicopters can created LEGEND system choosing what best suits just few LEGENDS features new industry EASY TO FLY FLYBARLESS HEAD ePREASSEMBLED SERVO TRAY CHOICE OF ROTOR HEADS SIMPLE TAIL BELT DRIVE OPREASSEMBLED ROTOR HEAD GEARBOX OR BELTDRIVE TAIL TRIPLE BEARINGS IN EACH TAIL BLADE HOLDER AND MAIN SHAFT informationwrite call today 81 8-992-0 1 95 FAX#81 8702011 7 b4 Gorham Model Products INC 23961 Craftsman Road Calabasas CA 91302 IVES Rush GMP flight demo video tape & catalog $2995 Add $3 postage handling/ $7 Federal Express Standard Air shipment Please indicate formatI IVHS IBETA JYES Rush me.cnl.GMPs illustrated color catalog $200 postpaid IVISA lMasterCard#exp date________ enclose check/money order amount of_____________________________ Name Zip L cept wooden wing stabilizer tips riv eted together two props have stamped Miniature Motors P-5 1 powered 29 Bullet engine flown twice both flights being successful Gordon T Bland Temple TX Pulsemaster 64 especially enjoyed article entitled Pulsemaster 64 Bernard L Stuecker December 1988 issue After reading considering seemed capable doing wrote author obtain software available connec tors Bernie especially prompt sup plying few days later able construct circuit results quite gratifying No problems encountered wiring software works just claimed interest use unit finally identified real cause erratic behavior RC models elevator servo defective has unusual amount what call over shoot about 120 its direction re versed No wonder kept chasing tails trying get model trimmed both physically electronically After replac ing servo almost brand new another similar type trimming snap Now model flies just felt should plan take test device along C-64 computer demonstrate its fea tures next club meeting theres enough interest will make up some ad apter connectors various kinds equip ment can tested Olin K McDaniel Florence SC BT-7 BT-9 Again letters section January 1989 issue discussion about BT-9 Continued page 12 10 Model Aviation Theyre Theyre 1 C E iSLE LIIVD, THEY HERE ZAP UNIVERSITY COLLEGE OF GLUE KNOWLEDGE IL@CTITE Tediqe LHC-07 HIGH TEMP RTV SILICONE Perfect use making gaskets minute High pressure temperature resistant Seals leaks no competition product Simply best Use High Temp RN Silicone for. CRANKCASE GASKETS t j FFLERS AND TUNED PIPES SEALING LEAKS AROUND CARBURETORS rnIl EXHAUST HEADERS Available qualfly hobby shops evuywhue Loctite isa registered trademark Loctite Corporation reference caption said Really BT-7 Mr Caton correct identification BT-9 Mr Kaman slightly correct saying BT-9 fixed gear version AT-6 Perhaps can clear up same time identifr two North American trainers knowledge have never modeled North American produced same time basic trainer BT-9 ad vanced trainer BC-i BC-i similar basic configuration BT-9 rounded vertical fin However BC-i larger engine retracts constant-speed prop BT-9 twospeed prop BC designation advanced trainer meant Basic Combat Later North American improved breed produced BT-14 AT-6 BT-14 AT-6 now-familiar sharp-pointed vertical fin same rugged construction same honest forgiving flight char acteristics forerunners BT-9 BC-i took basic training Randolph winter 1940 big push start ing produce pilots cadets di vided two flying sections flew 13T-9 other BT-i4s flew BT-9 went Brooks Field advanced training flew BC-i AT-6 Flight characteristics cockpit configura tion almost identical gradu ated Brooks stayed instructor cadet students experienced no difficulty whatsoever transitioning AT-6 BC-i vice versa Kelly Field also same mix BCis AT-6s Im retired USAF now travels have seen wonderful AT-6 around world Seems like no will see either AT-6 Gooney Bird Mr Caton mentioned flying AT-9 Curtiss-built twin-engine advanced trainer Cant understand Scale modelers havent discovered bird beautiful machine typical very skinny Cur tiss fuselage empennage large bulbous side-by-side cockpit flew Lubbock right sporty AT-9 designed give cadets ex perience twin-engine bird high wing loadingand did just chopped power dropped flaps gear youd better sure runway di rectly under plane because sure couldnt glide bird nick named Mole because bulbous nose seem recall Wylam once did drawings plane hope have clarified some differ ences planes BT-9 fixed-gear version BC-i BT-14 fixed-gear version AT-6 Del Wood Coeur dAlene ID 12 Model Aviation
Edition: Model Aviation - 1989/04
Page Numbers: 8, 10, 12
PRECISION MODEL PRODUCTS fZZZ~jyftNiV Made USA f44\ BARSTOCK ALUMINUM SPINNERS Part NoSize Ti-iSO-B .. 1-112 TT-175-8 . TT-200-B TT-225-B . 4 TT-226-B .. 2-114 FAll TT-250-B 112 TT-251-B -1/2FAI .. TT-275-B .. 23/4 TT-276-B .. 2-3/4 FAIl .. TT-300-B 11-301-B FAll TT-325-B . 4 11-350-B .. 3-1/2 11-375-B .. 3-3/4 TT-400-B RetailApprox PriceWeight $1395058 oz 1495095oz 1595100oz 1695160oz 1895150oz 1895190oz 2095170oz 2295220oz 2495200oz 2695260oz 289525002 369534002 499547002 5995520oz 6995570oz 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner Part NoSize TT-140-A.1/428 11-147-A 28/7mm 11-610-A6x 10mm 11710-A7 x 10mm 11516-A5/16-24 .. 11-518-A 5/16-24/8mm 11-810-A 10mm TT-825-A 125mm TT-375-A 24 . TT-125-A x 125mm RetailApprox PriceWeight $495 061 02 495 061 oz 495 . 063 02 495 . 082 02 495 076 oz 495 076 oz 49507602 495075oz 59511702 595 .llSoz 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 Taperwimg Typo reference article John Hun ton starting page 52 January 1989 issue Model Aviation typo near bottom page 53 line Dt xq 05 V Cd S term V should V2 next line obviously used 132 x 132 V2 ar rive value CdT agree 90 mph versus 79 mph GLH based simplified assumptions know nothing about either model would expect drag aerodynamically clean model would mostly arise skin friction case considered max speed very low CL relative speeds same engine prop fuel weight etc would depend mainly total model sur face area wing fuselage tail John W McKee Baytown TX enjoy reading Model Aviation article Taperwing 1/iA Pylon Racer no exception especially inter ested John Huntons performance com parisons GLH Taperwing previously calculated performance number CL Speed planes comparison purposes assumptions made resultant performance follows Assumptions Weight 05 lb Engine power 015 bhp Propulsive efficiency 70% Wing area 21 square inches re quired 30 mph takeoff Control lines two 010 diameter 42 ft long Results Total drag 043 lb Wing drag 12% Body drag 7% Line drag 81% Top speed 89 mph As calculation results show con trol lines far largest component total drag becomes immediately appar ent engine power propeller effi ciency important success Control Line Speed model Paul Rice Richland WA 1946 Enclosed two photos Control Line P-S 1 dad brought back 1946 prior December 5 aluminum ex Continued page 10 First Scale Rocket Dont Have Rocket Scientist Build MRC engineers decided design scale replica Sidewinder kept two things mind Hot performance ease construction Using state-of-the-art Computer Aided Designs CAD Sidewinder soars 1000 ft higher hitch dont know rockets authenticity good looks Sidewinder Arm yourself todaywith easy-to-assemble Sidewinder blast off good times Because its size complexity Sidewinder recommended modelers have built launched beginner kit Sidewinder. another leadership innovation MRC Sendforafree catalog See full line advanced MRC rockets hobby dealer cant help call us directly MRCG Model Rectifier Corporation 2500 Woodbndge Ave Edison NJ 08817 201 985-7800 8 Model Aviation ie rs TOIl e Editor letters will carefully considered general Interest used Send Model AviatIon 1810 Samuel Morse Dr Reston VA 22090 PROP NUT ADAPTORS production parts new American designed 060 powered helicop ter mostly made US house now LEGEND kits shipped worldwide daily Reception worlds top fliers has far exceeded ex pectations LEGEND revolutionary its simplistic design engineer inq though LEGEND mostly made steel aluminum lightest weight helicopter its size Eight different helicopters can created LEGEND system choosing what best suits just few LEGENDS features new industry EASY TO FLY FLYBARLESS HEAD ePREASSEMBLED SERVO TRAY CHOICE OF ROTOR HEADS SIMPLE TAIL BELT DRIVE OPREASSEMBLED ROTOR HEAD GEARBOX OR BELTDRIVE TAIL TRIPLE BEARINGS IN EACH TAIL BLADE HOLDER AND MAIN SHAFT informationwrite call today 81 8-992-0 1 95 FAX#81 8702011 7 b4 Gorham Model Products INC 23961 Craftsman Road Calabasas CA 91302 IVES Rush GMP flight demo video tape & catalog $2995 Add $3 postage handling/ $7 Federal Express Standard Air shipment Please indicate formatI IVHS IBETA JYES Rush me.cnl.GMPs illustrated color catalog $200 postpaid IVISA lMasterCard#exp date________ enclose check/money order amount of_____________________________ Name Zip L cept wooden wing stabilizer tips riv eted together two props have stamped Miniature Motors P-5 1 powered 29 Bullet engine flown twice both flights being successful Gordon T Bland Temple TX Pulsemaster 64 especially enjoyed article entitled Pulsemaster 64 Bernard L Stuecker December 1988 issue After reading considering seemed capable doing wrote author obtain software available connec tors Bernie especially prompt sup plying few days later able construct circuit results quite gratifying No problems encountered wiring software works just claimed interest use unit finally identified real cause erratic behavior RC models elevator servo defective has unusual amount what call over shoot about 120 its direction re versed No wonder kept chasing tails trying get model trimmed both physically electronically After replac ing servo almost brand new another similar type trimming snap Now model flies just felt should plan take test device along C-64 computer demonstrate its fea tures next club meeting theres enough interest will make up some ad apter connectors various kinds equip ment can tested Olin K McDaniel Florence SC BT-7 BT-9 Again letters section January 1989 issue discussion about BT-9 Continued page 12 10 Model Aviation Theyre Theyre 1 C E iSLE LIIVD, THEY HERE ZAP UNIVERSITY COLLEGE OF GLUE KNOWLEDGE IL@CTITE Tediqe LHC-07 HIGH TEMP RTV SILICONE Perfect use making gaskets minute High pressure temperature resistant Seals leaks no competition product Simply best Use High Temp RN Silicone for. CRANKCASE GASKETS t j FFLERS AND TUNED PIPES SEALING LEAKS AROUND CARBURETORS rnIl EXHAUST HEADERS Available qualfly hobby shops evuywhue Loctite isa registered trademark Loctite Corporation reference caption said Really BT-7 Mr Caton correct identification BT-9 Mr Kaman slightly correct saying BT-9 fixed gear version AT-6 Perhaps can clear up same time identifr two North American trainers knowledge have never modeled North American produced same time basic trainer BT-9 ad vanced trainer BC-i BC-i similar basic configuration BT-9 rounded vertical fin However BC-i larger engine retracts constant-speed prop BT-9 twospeed prop BC designation advanced trainer meant Basic Combat Later North American improved breed produced BT-14 AT-6 BT-14 AT-6 now-familiar sharp-pointed vertical fin same rugged construction same honest forgiving flight char acteristics forerunners BT-9 BC-i took basic training Randolph winter 1940 big push start ing produce pilots cadets di vided two flying sections flew 13T-9 other BT-i4s flew BT-9 went Brooks Field advanced training flew BC-i AT-6 Flight characteristics cockpit configura tion almost identical gradu ated Brooks stayed instructor cadet students experienced no difficulty whatsoever transitioning AT-6 BC-i vice versa Kelly Field also same mix BCis AT-6s Im retired USAF now travels have seen wonderful AT-6 around world Seems like no will see either AT-6 Gooney Bird Mr Caton mentioned flying AT-9 Curtiss-built twin-engine advanced trainer Cant understand Scale modelers havent discovered bird beautiful machine typical very skinny Cur tiss fuselage empennage large bulbous side-by-side cockpit flew Lubbock right sporty AT-9 designed give cadets ex perience twin-engine bird high wing loadingand did just chopped power dropped flaps gear youd better sure runway di rectly under plane because sure couldnt glide bird nick named Mole because bulbous nose seem recall Wylam once did drawings plane hope have clarified some differ ences planes BT-9 fixed-gear version BC-i BT-14 fixed-gear version AT-6 Del Wood Coeur dAlene ID 12 Model Aviation