I Combat 0 Charlie Johnson ONE PROBLEM competition sport fliers have common water con tamination fuel leave gallon can open length time youll notice telltale signs contami nation indicated milky appearance Low power higher normal operating temperatures poor needle settings some results stumbled across product used keep photo finishing chemicals free con tamination Its called XDL made Bessler convenient spray cans inert heavier-than-air gas will settle top fuel thus displacing moisture-laden air Storage life parti ally filled photo chemical bottles will increased completely full bottles model fuel doesnt generally deterior ate age does photo stuff might possible exclude air ever long takes burn up gallon fuel use spray shoot few seconds worth inside con tainer should never get out have vent fill tubes soldered cap always use filter fill line Power Blessing World Engines recently released MK-2 Supertigre will compete Fox K&B super-potent 35 class new engine features much rugged case heavier too Perry ports new crank rear bearing setup biggest complaint about Tigres has appetite crankshafts Hopefully problem will have solved new 15mm OD shaft larger 9-ball rear bearing intake port crank gigantic something like 15mm 11mm although gas passage through crank mere 10mm area intake port about double passge through crank No doubt engine will make lot power previous models beefier bottom end will probably live lot longer too recent contest spent great deal time keeping track much time spent actual combat know match goes five minutes wanted know much time spent both planes air engaged com bat What found out may no surprise some competition fliers 30% matches lasted less 10 seconds 50% lasted less 30 90% never made minute generous awarding times started watch second plane launched stopped kill Continued page 93 May1978 35 Original Fox-powered design Larry Driskill has some interesting structural points Lopez pic Modeling latest FAI headgear Rich Lo pezwe think Full face coverage bad idea high revving engines Federal helmet testing standards include phase similar model impacting helmet Rich Lopez pic Running 60% nitro 20% propylene oxide re sulted numerous scores piston burned hole through top Johnson pic Soapy water works best checking pressure leaksWow away ouooies ana suomerge engine Sticky paper rubberbands used seal small piece plastic baggie over intake exhaust dont have seal exhaust piston TOC piston skirt isnt cut away Johnson plc rN DU-BRO SNAP-ON LINKS BOLT-ON LINK 3-piece ball link set No180 must helicopters readily adaptable rudder elevator servo linkage RIC planes boats cars Ball joint action eliminates binding neat clean appearance OnlV 85C TOUGH NYLON LINK SNAPS-ON AND HOLDS TIGHT TAKES CARE OF ANY MISALIGNMENT THREADED LINK MAKES5-Pieceball link set No 181 THROTTLEexcellent off-set steering eHOOK-UPSthrottle servo hookups EASY IIncludes steel ball assembly /2-56 thread washer nut threaded coupler nylon ball link Easily adjustable Only 85C 4 DUBRO PRODUCTS / INC BONNER ROAD DUWAUCON DA ILL 60084 cant have cabin detail say judges arent give points guy wants take Nobler paint like Mus tang thats business same token want take Sigs Cub kit end up model looks like original flies like shouldbut does conform scale sizes etcthats business Weve spent months building models rule book its imperative its used bother building dont need rules just competent judging Besides no body ever said idea event give away trophies anybody thinks should have build rules fly rules youll probably win rules youre ready accept dont enter event last thought lest think bunch screamers down take punch learn think Dick stated very well several important points Anyone competes competitive event based human subjective judging can relate Dicks experiences Perfect judging ideal strive usually dont achieve Its simple fact life dif ferent people see things differently com petitor must learn accept basic fact winners know follow rule book letter demand others same Only will see improvement judging Luckily singled out examples questionable judging have seldom discouraged true competitor Thanks Sport Scale noticing steady increase participation CL Scale flying contests Scale Grapevine.. Dont forget deadline submitting AMA rules change proposals next cycle Sept 1 1978 procedure making proposal noted Feb 78 Model Aviation. Combined CL FF RC Scale contests may catching three scale categories being included St Louis Scale Fly-In held July 2 1978 site will probably Buder Park according Bob Underwood 4109 Concord Oaks Dr St Louis MO 63128 can furnish details. veland Prop Busters busy catchy idea sounds like fun Quoting Dick Ruckel again Take scale drawing magazine like Model viat ion spread build profileto size Mount 010 have ball have carrier hook Mike Gretz Box 162 Montezuma IA 50171 CL Combat/Johnson continued page 35 PIN ROTATES 900 BY 4TH LINE SPRING LOADED FOR RETURN SLOT IN BOMB OR DROP TANK Released Ray Smiths Bomb-Drop Pin operated fourth line simplifies dropping bombs drop tanks made or both planes hit ground Ive lot non-flying friends tell like watch combat re marked took long get match ready have end quickly won der theyd like have spent six hours building plane destroyed badly damaged 35% matches Mick Tiernan excellent article January 1978 issue AeroModeller commenting sad state combat Europe youre wondering Mick Tiernan let say hes won British Nationals probably four five best FAI pilots world Mick admits being old school combat planes went slower lasted long time did matches Theres slow escalation USA Europe radical change two years ago 70-mph diesels 90-100-mph glows current breed horsepower motors has enabled rankest beginner ac quire means 120-mph model held under control 60-mph skill re flexes What easy build Slow Combat ship like scratch-build ship Id suggest Cheater Slow Dan May1978 93 U Rutherford May 1977 MA maybe Slow form Rich Brashers Rotation Station kit-type plane might start Nemesis Voodoo add longer motor mounts make 5-in minimum leading edge thrust washer remember no prop extensions extra thick thrust washers allowed boom-type body can made out i/i balsa capped 3/16 spruce bass top bottom get plane balance properly might make extra long body first attempt cut length once proper balance achieved guys have used flaps worth try especially use mylar binges since could add subtract flaps ease Probably 30 flap movement enough coupled 15 elevator plane doesnt turn tightly enough 15 elevator too nose-heavy wing loading too high youre mood building original Fast Combat designs might modify Nemesis Voodoo Add 7-in monoboom 3 12 stabilator recess engine far possible probably can get away oo since bladder tube will reinforce leading edge its hard get engine very far back plane Neme sis construction Voodoo kits come very heavy leading edges perfor mance boost might replace commercial variety selected lightness Make some giant wing tips out 4-in wide wood sure read articles airfoils because will confuse mystery poor needle setting may solved perform following test Screw pressure fitting backplate make sure hole goes through seal up exhaust port venturi front bearing want make engine waterproof because will dunk soapy water use syringe put couple pounds pressure inside case Air escaping past backplate gasket through bad casting may give hint its tempermental ways Pull tape/baggies/rubberbands off front engine see much air leaks out past crank looks like Lawrence Welks bubble machine inside motor might think about using grav ity feed future remedy leak backplate try lapping case re moving burrs second gasket works too little leakage out front normal bubbles come out some other place case try coating epoxy 2-ounce cloth must use metal bellcranks flexible leadouts try method bushing suggested Mike Hoffelt Use heat shrink tubing drill holes snug fit Next grind out side bell shape avoid sharp corners tub ing inserted hot conical object used flair tubing both sides results nice bushing wont fall wear out Nylon works too requires heat didnt think Id make way through saying something about FAI did Mention made FAJ Gazette racing speed fliers bible about recent drop Rossi qual ity Rossi 15 still champ Ive noticed several latest engines have dogs compared engines Ive purchased years ago Replacing cranks two seemed help though could detect nary crack bend originals drop quality blamed artificial limit over-the-counter cost engine approximately $60 meet Quarter Midget require ments Apparently engine needs sell nearer $90 separate engine parts priced accordingly Something give day Rossi may join ranks other well-known engines really storm replace crank super trick item bearings new head re fit moving parts Special T-shirts atailable Debi Imboff 524 Sinclair NE Grand Rapids MI 49503 can first fly ing site have shirt bodly pro claims Combact Fliers Get Tail Price $495 shirt 75 postage handling plus $100 extra name pocket up 10 letters send Debi check $670 sure clude name address size shirt desired Charlie Johnson 3716 Ingraham St San Diego CA 92109 CL Aerobatics/Paul continued page 36 Oaks Irving Texas 75060 tel 214 254 5096 Foam Wings. two three used have Bob Hunt Arnold Stott foam wing supplies Arnold retired moved Texas havent heard him since Bob announced typewritten letter writer dated December 27 1977 discon tinue foam wings because material shortages namely balsa John T Poynter Kirk Mullinnix Cypress California announced enter ing foam wing business will call themselves J K Custom Foam Wings have received wings appears competitive wing foam cutting good /8-in spar covering good would prefer slightly thicker trailing edge have always accused building planes could withstand Pappy Boyingtons landings wing pretty light 135 grams left 125 right plan produce four 35-size wings Genesis Nobler Gieseke Nobler Stiletto three 46-size wings Genesis Shark Stiletto 46 Half-A wing Cost core will $1500 postpaid core covered balsa spar $3600 postpaid core covered balsa spar leading edge $3900 postpaid Half-A wing will go $1850 covered balsa postpaid will $500 template 94 Model Aviation 4 NLY KITS OF WORLD CLASSIC AIRCRAFT FROM FLYLINE A99AIs9jpgb3jf LU TON Minor 9W50 Sd 031189921 ignI gi9g9 Pg 53012 530 flg i2192999.S.32295 K 55 259 29555 p530 big 2921 1999 ig29g9 high) gAol 92593025 Send 254 catalog See yourdealer oil FLYLINEs classic kits NOW FLYLINE MODELS INC 9092 593 2030 HEINKEL HelOOD 9505*LS2530 Afl29 pgs9g553052 552555 5i2299952259315.-525 925030 9 925322 sd 330 9Ol939fl8392g5522 65 OVER 54808 8 CA OGE SCALE ORA,S~ no ___1j 8028 SON A TECH 48500 M KENZ E HWYV DA OR 9 488 RCPlanes Cars BoatsCL FF HOAFX TYCO PLASTICS TRAINS Complete Hobby Store send 50 new 1978 catalog HOBBIES 507 WMaple Ave Vienna Va 22180 ARTICLES WANTED Have design youd like have pub lished topic youd like write about tell editor about idea may worth money
Edition: Model Aviation - 1978/05
Page Numbers: 35, 93, 94
I Combat 0 Charlie Johnson ONE PROBLEM competition sport fliers have common water con tamination fuel leave gallon can open length time youll notice telltale signs contami nation indicated milky appearance Low power higher normal operating temperatures poor needle settings some results stumbled across product used keep photo finishing chemicals free con tamination Its called XDL made Bessler convenient spray cans inert heavier-than-air gas will settle top fuel thus displacing moisture-laden air Storage life parti ally filled photo chemical bottles will increased completely full bottles model fuel doesnt generally deterior ate age does photo stuff might possible exclude air ever long takes burn up gallon fuel use spray shoot few seconds worth inside con tainer should never get out have vent fill tubes soldered cap always use filter fill line Power Blessing World Engines recently released MK-2 Supertigre will compete Fox K&B super-potent 35 class new engine features much rugged case heavier too Perry ports new crank rear bearing setup biggest complaint about Tigres has appetite crankshafts Hopefully problem will have solved new 15mm OD shaft larger 9-ball rear bearing intake port crank gigantic something like 15mm 11mm although gas passage through crank mere 10mm area intake port about double passge through crank No doubt engine will make lot power previous models beefier bottom end will probably live lot longer too recent contest spent great deal time keeping track much time spent actual combat know match goes five minutes wanted know much time spent both planes air engaged com bat What found out may no surprise some competition fliers 30% matches lasted less 10 seconds 50% lasted less 30 90% never made minute generous awarding times started watch second plane launched stopped kill Continued page 93 May1978 35 Original Fox-powered design Larry Driskill has some interesting structural points Lopez pic Modeling latest FAI headgear Rich Lo pezwe think Full face coverage bad idea high revving engines Federal helmet testing standards include phase similar model impacting helmet Rich Lopez pic Running 60% nitro 20% propylene oxide re sulted numerous scores piston burned hole through top Johnson pic Soapy water works best checking pressure leaksWow away ouooies ana suomerge engine Sticky paper rubberbands used seal small piece plastic baggie over intake exhaust dont have seal exhaust piston TOC piston skirt isnt cut away Johnson plc rN DU-BRO SNAP-ON LINKS BOLT-ON LINK 3-piece ball link set No180 must helicopters readily adaptable rudder elevator servo linkage RIC planes boats cars Ball joint action eliminates binding neat clean appearance OnlV 85C TOUGH NYLON LINK SNAPS-ON AND HOLDS TIGHT TAKES CARE OF ANY MISALIGNMENT THREADED LINK MAKES5-Pieceball link set No 181 THROTTLEexcellent off-set steering eHOOK-UPSthrottle servo hookups EASY IIncludes steel ball assembly /2-56 thread washer nut threaded coupler nylon ball link Easily adjustable Only 85C 4 DUBRO PRODUCTS / INC BONNER ROAD DUWAUCON DA ILL 60084 cant have cabin detail say judges arent give points guy wants take Nobler paint like Mus tang thats business same token want take Sigs Cub kit end up model looks like original flies like shouldbut does conform scale sizes etcthats business Weve spent months building models rule book its imperative its used bother building dont need rules just competent judging Besides no body ever said idea event give away trophies anybody thinks should have build rules fly rules youll probably win rules youre ready accept dont enter event last thought lest think bunch screamers down take punch learn think Dick stated very well several important points Anyone competes competitive event based human subjective judging can relate Dicks experiences Perfect judging ideal strive usually dont achieve Its simple fact life dif ferent people see things differently com petitor must learn accept basic fact winners know follow rule book letter demand others same Only will see improvement judging Luckily singled out examples questionable judging have seldom discouraged true competitor Thanks Sport Scale noticing steady increase participation CL Scale flying contests Scale Grapevine.. Dont forget deadline submitting AMA rules change proposals next cycle Sept 1 1978 procedure making proposal noted Feb 78 Model Aviation. Combined CL FF RC Scale contests may catching three scale categories being included St Louis Scale Fly-In held July 2 1978 site will probably Buder Park according Bob Underwood 4109 Concord Oaks Dr St Louis MO 63128 can furnish details. veland Prop Busters busy catchy idea sounds like fun Quoting Dick Ruckel again Take scale drawing magazine like Model viat ion spread build profileto size Mount 010 have ball have carrier hook Mike Gretz Box 162 Montezuma IA 50171 CL Combat/Johnson continued page 35 PIN ROTATES 900 BY 4TH LINE SPRING LOADED FOR RETURN SLOT IN BOMB OR DROP TANK Released Ray Smiths Bomb-Drop Pin operated fourth line simplifies dropping bombs drop tanks made or both planes hit ground Ive lot non-flying friends tell like watch combat re marked took long get match ready have end quickly won der theyd like have spent six hours building plane destroyed badly damaged 35% matches Mick Tiernan excellent article January 1978 issue AeroModeller commenting sad state combat Europe youre wondering Mick Tiernan let say hes won British Nationals probably four five best FAI pilots world Mick admits being old school combat planes went slower lasted long time did matches Theres slow escalation USA Europe radical change two years ago 70-mph diesels 90-100-mph glows current breed horsepower motors has enabled rankest beginner ac quire means 120-mph model held under control 60-mph skill re flexes What easy build Slow Combat ship like scratch-build ship Id suggest Cheater Slow Dan May1978 93 U Rutherford May 1977 MA maybe Slow form Rich Brashers Rotation Station kit-type plane might start Nemesis Voodoo add longer motor mounts make 5-in minimum leading edge thrust washer remember no prop extensions extra thick thrust washers allowed boom-type body can made out i/i balsa capped 3/16 spruce bass top bottom get plane balance properly might make extra long body first attempt cut length once proper balance achieved guys have used flaps worth try especially use mylar binges since could add subtract flaps ease Probably 30 flap movement enough coupled 15 elevator plane doesnt turn tightly enough 15 elevator too nose-heavy wing loading too high youre mood building original Fast Combat designs might modify Nemesis Voodoo Add 7-in monoboom 3 12 stabilator recess engine far possible probably can get away oo since bladder tube will reinforce leading edge its hard get engine very far back plane Neme sis construction Voodoo kits come very heavy leading edges perfor mance boost might replace commercial variety selected lightness Make some giant wing tips out 4-in wide wood sure read articles airfoils because will confuse mystery poor needle setting may solved perform following test Screw pressure fitting backplate make sure hole goes through seal up exhaust port venturi front bearing want make engine waterproof because will dunk soapy water use syringe put couple pounds pressure inside case Air escaping past backplate gasket through bad casting may give hint its tempermental ways Pull tape/baggies/rubberbands off front engine see much air leaks out past crank looks like Lawrence Welks bubble machine inside motor might think about using grav ity feed future remedy leak backplate try lapping case re moving burrs second gasket works too little leakage out front normal bubbles come out some other place case try coating epoxy 2-ounce cloth must use metal bellcranks flexible leadouts try method bushing suggested Mike Hoffelt Use heat shrink tubing drill holes snug fit Next grind out side bell shape avoid sharp corners tub ing inserted hot conical object used flair tubing both sides results nice bushing wont fall wear out Nylon works too requires heat didnt think Id make way through saying something about FAI did Mention made FAJ Gazette racing speed fliers bible about recent drop Rossi qual ity Rossi 15 still champ Ive noticed several latest engines have dogs compared engines Ive purchased years ago Replacing cranks two seemed help though could detect nary crack bend originals drop quality blamed artificial limit over-the-counter cost engine approximately $60 meet Quarter Midget require ments Apparently engine needs sell nearer $90 separate engine parts priced accordingly Something give day Rossi may join ranks other well-known engines really storm replace crank super trick item bearings new head re fit moving parts Special T-shirts atailable Debi Imboff 524 Sinclair NE Grand Rapids MI 49503 can first fly ing site have shirt bodly pro claims Combact Fliers Get Tail Price $495 shirt 75 postage handling plus $100 extra name pocket up 10 letters send Debi check $670 sure clude name address size shirt desired Charlie Johnson 3716 Ingraham St San Diego CA 92109 CL Aerobatics/Paul continued page 36 Oaks Irving Texas 75060 tel 214 254 5096 Foam Wings. two three used have Bob Hunt Arnold Stott foam wing supplies Arnold retired moved Texas havent heard him since Bob announced typewritten letter writer dated December 27 1977 discon tinue foam wings because material shortages namely balsa John T Poynter Kirk Mullinnix Cypress California announced enter ing foam wing business will call themselves J K Custom Foam Wings have received wings appears competitive wing foam cutting good /8-in spar covering good would prefer slightly thicker trailing edge have always accused building planes could withstand Pappy Boyingtons landings wing pretty light 135 grams left 125 right plan produce four 35-size wings Genesis Nobler Gieseke Nobler Stiletto three 46-size wings Genesis Shark Stiletto 46 Half-A wing Cost core will $1500 postpaid core covered balsa spar $3600 postpaid core covered balsa spar leading edge $3900 postpaid Half-A wing will go $1850 covered balsa postpaid will $500 template 94 Model Aviation 4 NLY KITS OF WORLD CLASSIC AIRCRAFT FROM FLYLINE A99AIs9jpgb3jf LU TON Minor 9W50 Sd 031189921 ignI gi9g9 Pg 53012 530 flg i2192999.S.32295 K 55 259 29555 p530 big 2921 1999 ig29g9 high) gAol 92593025 Send 254 catalog See yourdealer oil FLYLINEs classic kits NOW FLYLINE MODELS INC 9092 593 2030 HEINKEL HelOOD 9505*LS2530 Afl29 pgs9g553052 552555 5i2299952259315.-525 925030 9 925322 sd 330 9Ol939fl8392g5522 65 OVER 54808 8 CA OGE SCALE ORA,S~ no ___1j 8028 SON A TECH 48500 M KENZ E HWYV DA OR 9 488 RCPlanes Cars BoatsCL FF HOAFX TYCO PLASTICS TRAINS Complete Hobby Store send 50 new 1978 catalog HOBBIES 507 WMaple Ave Vienna Va 22180 ARTICLES WANTED Have design youd like have pub lished topic youd like write about tell editor about idea may worth money
Edition: Model Aviation - 1978/05
Page Numbers: 35, 93, 94
I Combat 0 Charlie Johnson ONE PROBLEM competition sport fliers have common water con tamination fuel leave gallon can open length time youll notice telltale signs contami nation indicated milky appearance Low power higher normal operating temperatures poor needle settings some results stumbled across product used keep photo finishing chemicals free con tamination Its called XDL made Bessler convenient spray cans inert heavier-than-air gas will settle top fuel thus displacing moisture-laden air Storage life parti ally filled photo chemical bottles will increased completely full bottles model fuel doesnt generally deterior ate age does photo stuff might possible exclude air ever long takes burn up gallon fuel use spray shoot few seconds worth inside con tainer should never get out have vent fill tubes soldered cap always use filter fill line Power Blessing World Engines recently released MK-2 Supertigre will compete Fox K&B super-potent 35 class new engine features much rugged case heavier too Perry ports new crank rear bearing setup biggest complaint about Tigres has appetite crankshafts Hopefully problem will have solved new 15mm OD shaft larger 9-ball rear bearing intake port crank gigantic something like 15mm 11mm although gas passage through crank mere 10mm area intake port about double passge through crank No doubt engine will make lot power previous models beefier bottom end will probably live lot longer too recent contest spent great deal time keeping track much time spent actual combat know match goes five minutes wanted know much time spent both planes air engaged com bat What found out may no surprise some competition fliers 30% matches lasted less 10 seconds 50% lasted less 30 90% never made minute generous awarding times started watch second plane launched stopped kill Continued page 93 May1978 35 Original Fox-powered design Larry Driskill has some interesting structural points Lopez pic Modeling latest FAI headgear Rich Lo pezwe think Full face coverage bad idea high revving engines Federal helmet testing standards include phase similar model impacting helmet Rich Lopez pic Running 60% nitro 20% propylene oxide re sulted numerous scores piston burned hole through top Johnson pic Soapy water works best checking pressure leaksWow away ouooies ana suomerge engine Sticky paper rubberbands used seal small piece plastic baggie over intake exhaust dont have seal exhaust piston TOC piston skirt isnt cut away Johnson plc rN DU-BRO SNAP-ON LINKS BOLT-ON LINK 3-piece ball link set No180 must helicopters readily adaptable rudder elevator servo linkage RIC planes boats cars Ball joint action eliminates binding neat clean appearance OnlV 85C TOUGH NYLON LINK SNAPS-ON AND HOLDS TIGHT TAKES CARE OF ANY MISALIGNMENT THREADED LINK MAKES5-Pieceball link set No 181 THROTTLEexcellent off-set steering eHOOK-UPSthrottle servo hookups EASY IIncludes steel ball assembly /2-56 thread washer nut threaded coupler nylon ball link Easily adjustable Only 85C 4 DUBRO PRODUCTS / INC BONNER ROAD DUWAUCON DA ILL 60084 cant have cabin detail say judges arent give points guy wants take Nobler paint like Mus tang thats business same token want take Sigs Cub kit end up model looks like original flies like shouldbut does conform scale sizes etcthats business Weve spent months building models rule book its imperative its used bother building dont need rules just competent judging Besides no body ever said idea event give away trophies anybody thinks should have build rules fly rules youll probably win rules youre ready accept dont enter event last thought lest think bunch screamers down take punch learn think Dick stated very well several important points Anyone competes competitive event based human subjective judging can relate Dicks experiences Perfect judging ideal strive usually dont achieve Its simple fact life dif ferent people see things differently com petitor must learn accept basic fact winners know follow rule book letter demand others same Only will see improvement judging Luckily singled out examples questionable judging have seldom discouraged true competitor Thanks Sport Scale noticing steady increase participation CL Scale flying contests Scale Grapevine.. Dont forget deadline submitting AMA rules change proposals next cycle Sept 1 1978 procedure making proposal noted Feb 78 Model Aviation. Combined CL FF RC Scale contests may catching three scale categories being included St Louis Scale Fly-In held July 2 1978 site will probably Buder Park according Bob Underwood 4109 Concord Oaks Dr St Louis MO 63128 can furnish details. veland Prop Busters busy catchy idea sounds like fun Quoting Dick Ruckel again Take scale drawing magazine like Model viat ion spread build profileto size Mount 010 have ball have carrier hook Mike Gretz Box 162 Montezuma IA 50171 CL Combat/Johnson continued page 35 PIN ROTATES 900 BY 4TH LINE SPRING LOADED FOR RETURN SLOT IN BOMB OR DROP TANK Released Ray Smiths Bomb-Drop Pin operated fourth line simplifies dropping bombs drop tanks made or both planes hit ground Ive lot non-flying friends tell like watch combat re marked took long get match ready have end quickly won der theyd like have spent six hours building plane destroyed badly damaged 35% matches Mick Tiernan excellent article January 1978 issue AeroModeller commenting sad state combat Europe youre wondering Mick Tiernan let say hes won British Nationals probably four five best FAI pilots world Mick admits being old school combat planes went slower lasted long time did matches Theres slow escalation USA Europe radical change two years ago 70-mph diesels 90-100-mph glows current breed horsepower motors has enabled rankest beginner ac quire means 120-mph model held under control 60-mph skill re flexes What easy build Slow Combat ship like scratch-build ship Id suggest Cheater Slow Dan May1978 93 U Rutherford May 1977 MA maybe Slow form Rich Brashers Rotation Station kit-type plane might start Nemesis Voodoo add longer motor mounts make 5-in minimum leading edge thrust washer remember no prop extensions extra thick thrust washers allowed boom-type body can made out i/i balsa capped 3/16 spruce bass top bottom get plane balance properly might make extra long body first attempt cut length once proper balance achieved guys have used flaps worth try especially use mylar binges since could add subtract flaps ease Probably 30 flap movement enough coupled 15 elevator plane doesnt turn tightly enough 15 elevator too nose-heavy wing loading too high youre mood building original Fast Combat designs might modify Nemesis Voodoo Add 7-in monoboom 3 12 stabilator recess engine far possible probably can get away oo since bladder tube will reinforce leading edge its hard get engine very far back plane Neme sis construction Voodoo kits come very heavy leading edges perfor mance boost might replace commercial variety selected lightness Make some giant wing tips out 4-in wide wood sure read articles airfoils because will confuse mystery poor needle setting may solved perform following test Screw pressure fitting backplate make sure hole goes through seal up exhaust port venturi front bearing want make engine waterproof because will dunk soapy water use syringe put couple pounds pressure inside case Air escaping past backplate gasket through bad casting may give hint its tempermental ways Pull tape/baggies/rubberbands off front engine see much air leaks out past crank looks like Lawrence Welks bubble machine inside motor might think about using grav ity feed future remedy leak backplate try lapping case re moving burrs second gasket works too little leakage out front normal bubbles come out some other place case try coating epoxy 2-ounce cloth must use metal bellcranks flexible leadouts try method bushing suggested Mike Hoffelt Use heat shrink tubing drill holes snug fit Next grind out side bell shape avoid sharp corners tub ing inserted hot conical object used flair tubing both sides results nice bushing wont fall wear out Nylon works too requires heat didnt think Id make way through saying something about FAI did Mention made FAJ Gazette racing speed fliers bible about recent drop Rossi qual ity Rossi 15 still champ Ive noticed several latest engines have dogs compared engines Ive purchased years ago Replacing cranks two seemed help though could detect nary crack bend originals drop quality blamed artificial limit over-the-counter cost engine approximately $60 meet Quarter Midget require ments Apparently engine needs sell nearer $90 separate engine parts priced accordingly Something give day Rossi may join ranks other well-known engines really storm replace crank super trick item bearings new head re fit moving parts Special T-shirts atailable Debi Imboff 524 Sinclair NE Grand Rapids MI 49503 can first fly ing site have shirt bodly pro claims Combact Fliers Get Tail Price $495 shirt 75 postage handling plus $100 extra name pocket up 10 letters send Debi check $670 sure clude name address size shirt desired Charlie Johnson 3716 Ingraham St San Diego CA 92109 CL Aerobatics/Paul continued page 36 Oaks Irving Texas 75060 tel 214 254 5096 Foam Wings. two three used have Bob Hunt Arnold Stott foam wing supplies Arnold retired moved Texas havent heard him since Bob announced typewritten letter writer dated December 27 1977 discon tinue foam wings because material shortages namely balsa John T Poynter Kirk Mullinnix Cypress California announced enter ing foam wing business will call themselves J K Custom Foam Wings have received wings appears competitive wing foam cutting good /8-in spar covering good would prefer slightly thicker trailing edge have always accused building planes could withstand Pappy Boyingtons landings wing pretty light 135 grams left 125 right plan produce four 35-size wings Genesis Nobler Gieseke Nobler Stiletto three 46-size wings Genesis Shark Stiletto 46 Half-A wing Cost core will $1500 postpaid core covered balsa spar $3600 postpaid core covered balsa spar leading edge $3900 postpaid Half-A wing will go $1850 covered balsa postpaid will $500 template 94 Model Aviation 4 NLY KITS OF WORLD CLASSIC AIRCRAFT FROM FLYLINE A99AIs9jpgb3jf LU TON Minor 9W50 Sd 031189921 ignI gi9g9 Pg 53012 530 flg i2192999.S.32295 K 55 259 29555 p530 big 2921 1999 ig29g9 high) gAol 92593025 Send 254 catalog See yourdealer oil FLYLINEs classic kits NOW FLYLINE MODELS INC 9092 593 2030 HEINKEL HelOOD 9505*LS2530 Afl29 pgs9g553052 552555 5i2299952259315.-525 925030 9 925322 sd 330 9Ol939fl8392g5522 65 OVER 54808 8 CA OGE SCALE ORA,S~ no ___1j 8028 SON A TECH 48500 M KENZ E HWYV DA OR 9 488 RCPlanes Cars BoatsCL FF HOAFX TYCO PLASTICS TRAINS Complete Hobby Store send 50 new 1978 catalog HOBBIES 507 WMaple Ave Vienna Va 22180 ARTICLES WANTED Have design youd like have pub lished topic youd like write about tell editor about idea may worth money