Phil Cartler sells Gotcha 460 kit $65kid included Features Include carbon-fiber tail boom internal external controls openstyle fuel bladder compartment LAST SUMMER AMA Nats talked Phil Cartier about making some almost-ready-tofly ARF models us dont have time build too lazy etc came up model see picture features 460-sq-in wing carbon-fiber tail boom almost finished Models Ive gotten him past have required epoxying engine mount tail place hooking up controlsabout hours work altogether new models will sell $65 groups three isnt bad consider time worth anything order models get information can contact Phil recent FAI Combat event Detroit billed Kiev Kickoff Main Event Full FAI rules used round robin Top winners L-R Ed Brzys 2nd Paul Smith 1st Pat McKinzie 3rd Steve Kott 4th Bryz machine 12 years old Smiths 4 McKinzie Kott used good stuff Photo Paul Smith Greg Woiteckis Slow Combat Bosta two impressive models 88 AMA Nats other Cranfills 7-oz Cipolla engine helped bring planes weight down rumored 16 oz also gave bigtime power Note chicken-hopper fuel tank mod Cattier 760 Waltonville Rd Hummelstown PA cheaper alternativeif can spare 17036 would advantage get few hours workbenchwould Doc orders early orders will likely overwhelm Passens Fast Combat Hornet Slow Combat production crew once contest season starts Continued page 174 Mack Henrys 1/2A replica Doroshenkos world champion model L sports metal mount Cox TeeDee Controls external pacifier fuel tank has its own compartment Heres close look tail section Russian models World Champs R Note quick-change feature thread wrapped around hardwood parts keep splitting wing trailing edge isnt balsa Hardwood used keep out warps hold wing together case impact Workmanship appears very good 64 Model Aviation Cono Line Combat Charlie Johnson 3716 lnwuhanl St Sm Wego CA 92109 BOB HOLMAN HAS MORE THAN JUST PLANS Models built plans have won Toledo Best Show World Scale Meet Masters Can other service make claim plans British Magazine also have Most Scale Send $900 two British Plans Books Best Scale catalog F4U-1 EPOXY SMI KIT 75 SPAN TBF-C1 AVENGER EPOXY SMI KIT 82 SPAN Plan Fuselage cowl canopies Best Show Toledo $16195 pp FB VI MOSQUITO 82 SPAN Plan Nacels canopy Spinners Fuselage $19995 p p Plan Fuselage Cowl canopy Ribs Spinner SPITFIRE MKI EPOXY SMI KIT 72 SPAN $17195 pp Plan Fuselage Cowl Canopy Ribs Balsa F6F HELLCAT EPOXY KIT 64 SPAN $19195 pp PLANS Spitfire lA69 Mosquito Fee71 Kit tyhawk 1 A65 P47Thunderbolt . 61 Tempest561 BT-13 Valiant 73 F4U-1 Corsair 61 Harvard .. P-SlBandO61 Fw19OA-460 Btl9Oe61 BtllOc71 F6F-6 Hellcat64 Kawanishi George 64 Spitfire 14 & 19 . 69 OS2U Kingfisher . 56 Gladiator56 Hurricane I70 PLANS $25 EACH OR SHIPPING THE BEST IN SCALE Bob Holman PO Box 741-MA San Bernardino CA 92402 planning build Scale project visit might worthwhile obtain pictures take notes pocket tape recorder handy see firsthand details might incorporate model information call write US Air Force Museum Wright-Patterson AFB OH 45433-6518 Phone 513 255-3284 Documentation source note LF Jim Pepino president Scale Plans Photo Service says new 66-page catalog now available includes photo packs plans three-views Jim provides plan en largement reduction service Photo paeks depending size contain front side rear views plane well close-ups some finer details need landing gear flaps surfaces controls cock pit instrumentation Plan enlarging done using blueprint process Plans available major categories Scale modeling includ ing Control Line course listed RC could candidates conver sion CL wish catalog send $4 SPPS 3209 Madison Ave Greensboro NC 27403 CL Combat/Johnson Continued page 64 Wasp require little work Does kits include just about everything need ex cept adhesive sample kits sent balsa very nicely cut en gine mount assembly put together semi finished model features Voodoo-style leading edge has full-depth spar solid trailing edge just over 400 sq area Profes sional Combat fliers will likely have own fa vorite model wont bother offering slightly less serious Judging lot experience similar models would expect perform well enough place contests does give away foam kill advantage because its solid-wood wing leading edge Oh well get tired patching string cuts foam anyway Does Generix kits calls seem like really good values dollar could fin ished evening recommended super glue Doe holed up palatial estate Ja sonville during winter now would good time get touch him Does Gener tx PO Box Ill Jasonville IN 47438 Prices less $20 Combat kits has sport Stunt kits too What better power new model Nelson 15 examples now come configurations before more-orless standard model rear intake/rear ex haust AAC aluminum/aluminum/chrome piston cylinder constructionRMcM seen domestic foreign FAI Combat models variation engine side-exhaust rear intake original version wtth front intake side exhaust version probably FAI Combat rear intake/rear exhaust model wtth short front end Henry likes confuse other options such ABC liner/piston rather AAC titanium crankshafts just glowengine selection Dont ask about die sels Call Henry Nelson 412 538-5282 infor mation about line sophisticated engines Prices start $175 standard Combat en gine isnt cheapbut theyre best can buy After years battling other en gines Im taking easy way out using Nelson rear intake/rear exhaust AAC setup short nose help cut down weight shorten nose moment models still may win anythingbut Ill look spectac ular losing currently trend Combat model de sign toward rear-set engine prop some close leading edge wing cant get hand hold launch lightweight carbon tail boom has made possible shove engine way back wing such short nose moment model requires long tail moment keep wobbling across sky conventional wood tail booms too heavy made long enough stiff enough resist flying loads result frequently tail-heavy model much fun fly havent seen such model yet just pic ture conventional model boom Drill hole through trailing edge en gine mount Shove carbon fiber arrow shaft some epoxy mount tail feath ers Most modern designs also have controls mounted arrow shaft too small piece aluminum loops around shaft bellcrank bolted seems plenty strong Fast Combat models makes practically indestructible center section also another trend thats away external fuel bladderwhich proba bly good idea Weve found regular Fast Combat bladders work really well skinny tubes models tubing never expands size allowed 1 25-in-diameter tubes use FAI needle setting much better using tubing weve yet break Another plus dont have have special bladders model Cartiers group seems having good luck using open fuel pods models tubing allowed expand whatever size wants claims better performance using style conventional tubing compart ment Greg Hill used two compartments side engine mount equalize dis tribution weight suppose ultimate config uration would having tube front CG behind masses centered middle model know lot guys use outboardlocated fuel ballast lieu adding wing tip weight fuel burns off results plane getting looser lines makes landing thrill Doctor Design claims about nine grams wing tip weight required 48-in-span model offset tendency lines kick outside tip forward plane coming out turn Too much weight sure makes wing cock back turns maybe hes Onto something Wed eyeing Taipan 8 x 6 prop use Fast Combat models hub looked little small performance prop Fox better 8 x 6 wed using threw blade off buzzed up Hoffelt 36R Upon close inspection found air bub bles hub area made up about 30% area gulp failure Tai pan Ive encountered mainly because spun up way above its design limit de sign seems great wed better wait until its available carbon glass Continued page 176 174 Model Aviation S All- Balsa ARFs ZMP IN 4 SIIkHOI Su 26M 1/5th Sea/c span 68 arcaBSOsqins meter 4 stroke 120 equtr Preassustiled fuselage sheeted plug-in wings sheeted stabf & rudder 8 dia epoxy cowl texan canopy & illustrated assaibly manual see hobby dealer order direct IMPALA Masters Pattern span 66 area 800sq ins meter 4 stroke 120 60 rear Preassusisled fuselage veneered plugin wings & staba Epoxy cowl pipe cover rsaovable canopy Illustrated assembly manual MONARCH AMA Sport Pattorn span 66 area 750sqns motor 4 stroke 80 60cuin Preausustiled fuselage veneered wing shaped balsa perte texan canopy epoxy cowl illustratd assembly manual g ZIMPRO MARKETING ' P0505 5676 OAK ReGETN 37635 PHONE BiS4SS4iU about suggest buy control lines bulk somebody like Bear Manufac iuring noticed among new AMA rules proposals theres possibility going 021s Fast Slow along 40-size en gines FAI guys will just love FAI noise rule goes effect 1990 World Champs good part civilized world isnt going put up engines noise might quiet Nine ties Ive always felt use muffler need really puts people disadvan tage local meets using muffler rule have planes set up meet tougher noise limits international scene Steve Sacco sent note concerning safety thong issue point model flies across circle its gonna jerk lot harder just let handle fly loose No argument lets use wide safety thongs get someone design good us buy still think plane flying loose danger potential damage someones wrist arm least flier hurt some innocent bystander did some work Johnsons Not-So Scientific Testing Lab found can break 018 lines time good jerk difficult part trying 10 break both lines same time lines fixed solid object might harder model thered flex control system bellerank full 60 ft lines WAM Western Associated ModelersRMcM has used safety thongs decades problems Ive heard several AMA meets Ive flown required safety thongs because flown airports have pictures latest creation please send immediately can have spring gallery Combat models might also comment what think chances dur ing Combat season Ill follow-up fall dont get too carried away boasting about world-beater CL Navy Carrier/Perry Continued page 65 used OS carburetor K&B exhaust baffle swinging Rev-Up 9 x 7 prop Glenns MO-l span 375 wing area 275 sq weighed 3 lb 3 oz High speed event held Pete Ma zur 1127 mph unable finish low speed Petes 3 lb 12 oz 355 sq MO-l powered Webra Speed 61 using fuel meter carburetor exhaust slide pres sure fuel system Prop fiberglass copy Rev-Up 10 x SW Other models achieved speeds excess 90 mph powered almost mix large 60 65 cu small 41 46 cu engines four large three small equal mix large small engines throughout entries same dis tribution did exist among com pleted high-speed flights large engines successfully completed high speed over 90 mph However small engines greatly Out numbered large engines finishing high speed four large eight small larger engines usually equipped pressure fuel systems some suffered reliability problems smaller engines equipped suction fuel systems stock throttles seemed reliable Reliabilily com plex systems usually directly related amount time practice contestant can de vote event Best low speed day went author 158 sec 113 mph Glenn Simpson close behind 116 mph As Class increasing wing loading correlated very closely increas ing speed during slow flight As past dominant glow plug Fox propeller used contes tants Rev-Up popular size Pro file Class well smaller-engined Class II models 9 x 75 9 x 7 also popular Thats month As read hope well along building models next season snow will melting month two Im looking forward using vast expanse parking ramp Griffiss Air Force Base practice Argosy 1/Haught Continued page 70 paint Repeat procedures three dummy engines Too much work pro test results terrific looking Check out photos again see dont agree Fuselage Cut fuselage sides stiff sheets %-in balsa Glue plywood doublers corner blocks Cut out formers tAin plywood firewall formers C identical Wingspan 50 Area 562 sq in. Engine 40-502 cy 45-604 cy Length 45 Weight 4-4A lbs Symetrical Airfoil 4 Channel Kite Feature Machine cut B eanded parts rolled plane hardware pm-bent landing gear Check Money Order US FundsSASE InformatIon CRENSHAW AERO 423W Washington Shelbyville IN 46176 317-398-6528 M ll 400 pm ICST 176 Model Aviation PRE-FAB AIRCRAFT 4Oj65 SIZE p C Sedan Wingspan 70 Area 910 sq in. Engine 60604 cy 45-60 2 cy Length 54 Weight 6-6Y lbs Flat Bottom Wing 4 Channel SHARK 55 AN STRAIGHT SHOULDER WING SHARK ST 60SPAN TAPERED SHOULDER WING IDIWING CORD S7OSRiN 4 TOS5L5FISERGLASS COWL ALUMiNUM MAIN GEAR FLY AS TRIGEAR OR TAILDRAGGEF SALSA PRE-BUILT FUSALAGEBALSA SHEATEDILs FOAM CORE WING MACHINE CUT HAND SANDED STABLLiZER INTRODUCTORY PRICE EU 56993 5400 HANDLING MC VISA MO UPS CODA $275AMEIP b U ADDS I/% TAD IN TEXAS KINGSWAV ENTERPRISES *MPlO45O6wILDACREs SASEHOUSTON TEXAS 77072 FOR CATALOGCALLS-753-621 7782
Edition: Model Aviation - 1989/03
Page Numbers: 64, 174, 176
Phil Cartler sells Gotcha 460 kit $65kid included Features Include carbon-fiber tail boom internal external controls openstyle fuel bladder compartment LAST SUMMER AMA Nats talked Phil Cartier about making some almost-ready-tofly ARF models us dont have time build too lazy etc came up model see picture features 460-sq-in wing carbon-fiber tail boom almost finished Models Ive gotten him past have required epoxying engine mount tail place hooking up controlsabout hours work altogether new models will sell $65 groups three isnt bad consider time worth anything order models get information can contact Phil recent FAI Combat event Detroit billed Kiev Kickoff Main Event Full FAI rules used round robin Top winners L-R Ed Brzys 2nd Paul Smith 1st Pat McKinzie 3rd Steve Kott 4th Bryz machine 12 years old Smiths 4 McKinzie Kott used good stuff Photo Paul Smith Greg Woiteckis Slow Combat Bosta two impressive models 88 AMA Nats other Cranfills 7-oz Cipolla engine helped bring planes weight down rumored 16 oz also gave bigtime power Note chicken-hopper fuel tank mod Cattier 760 Waltonville Rd Hummelstown PA cheaper alternativeif can spare 17036 would advantage get few hours workbenchwould Doc orders early orders will likely overwhelm Passens Fast Combat Hornet Slow Combat production crew once contest season starts Continued page 174 Mack Henrys 1/2A replica Doroshenkos world champion model L sports metal mount Cox TeeDee Controls external pacifier fuel tank has its own compartment Heres close look tail section Russian models World Champs R Note quick-change feature thread wrapped around hardwood parts keep splitting wing trailing edge isnt balsa Hardwood used keep out warps hold wing together case impact Workmanship appears very good 64 Model Aviation Cono Line Combat Charlie Johnson 3716 lnwuhanl St Sm Wego CA 92109 BOB HOLMAN HAS MORE THAN JUST PLANS Models built plans have won Toledo Best Show World Scale Meet Masters Can other service make claim plans British Magazine also have Most Scale Send $900 two British Plans Books Best Scale catalog F4U-1 EPOXY SMI KIT 75 SPAN TBF-C1 AVENGER EPOXY SMI KIT 82 SPAN Plan Fuselage cowl canopies Best Show Toledo $16195 pp FB VI MOSQUITO 82 SPAN Plan Nacels canopy Spinners Fuselage $19995 p p Plan Fuselage Cowl canopy Ribs Spinner SPITFIRE MKI EPOXY SMI KIT 72 SPAN $17195 pp Plan Fuselage Cowl Canopy Ribs Balsa F6F HELLCAT EPOXY KIT 64 SPAN $19195 pp PLANS Spitfire lA69 Mosquito Fee71 Kit tyhawk 1 A65 P47Thunderbolt . 61 Tempest561 BT-13 Valiant 73 F4U-1 Corsair 61 Harvard .. P-SlBandO61 Fw19OA-460 Btl9Oe61 BtllOc71 F6F-6 Hellcat64 Kawanishi George 64 Spitfire 14 & 19 . 69 OS2U Kingfisher . 56 Gladiator56 Hurricane I70 PLANS $25 EACH OR SHIPPING THE BEST IN SCALE Bob Holman PO Box 741-MA San Bernardino CA 92402 planning build Scale project visit might worthwhile obtain pictures take notes pocket tape recorder handy see firsthand details might incorporate model information call write US Air Force Museum Wright-Patterson AFB OH 45433-6518 Phone 513 255-3284 Documentation source note LF Jim Pepino president Scale Plans Photo Service says new 66-page catalog now available includes photo packs plans three-views Jim provides plan en largement reduction service Photo paeks depending size contain front side rear views plane well close-ups some finer details need landing gear flaps surfaces controls cock pit instrumentation Plan enlarging done using blueprint process Plans available major categories Scale modeling includ ing Control Line course listed RC could candidates conver sion CL wish catalog send $4 SPPS 3209 Madison Ave Greensboro NC 27403 CL Combat/Johnson Continued page 64 Wasp require little work Does kits include just about everything need ex cept adhesive sample kits sent balsa very nicely cut en gine mount assembly put together semi finished model features Voodoo-style leading edge has full-depth spar solid trailing edge just over 400 sq area Profes sional Combat fliers will likely have own fa vorite model wont bother offering slightly less serious Judging lot experience similar models would expect perform well enough place contests does give away foam kill advantage because its solid-wood wing leading edge Oh well get tired patching string cuts foam anyway Does Generix kits calls seem like really good values dollar could fin ished evening recommended super glue Doe holed up palatial estate Ja sonville during winter now would good time get touch him Does Gener tx PO Box Ill Jasonville IN 47438 Prices less $20 Combat kits has sport Stunt kits too What better power new model Nelson 15 examples now come configurations before more-orless standard model rear intake/rear ex haust AAC aluminum/aluminum/chrome piston cylinder constructionRMcM seen domestic foreign FAI Combat models variation engine side-exhaust rear intake original version wtth front intake side exhaust version probably FAI Combat rear intake/rear exhaust model wtth short front end Henry likes confuse other options such ABC liner/piston rather AAC titanium crankshafts just glowengine selection Dont ask about die sels Call Henry Nelson 412 538-5282 infor mation about line sophisticated engines Prices start $175 standard Combat en gine isnt cheapbut theyre best can buy After years battling other en gines Im taking easy way out using Nelson rear intake/rear exhaust AAC setup short nose help cut down weight shorten nose moment models still may win anythingbut Ill look spectac ular losing currently trend Combat model de sign toward rear-set engine prop some close leading edge wing cant get hand hold launch lightweight carbon tail boom has made possible shove engine way back wing such short nose moment model requires long tail moment keep wobbling across sky conventional wood tail booms too heavy made long enough stiff enough resist flying loads result frequently tail-heavy model much fun fly havent seen such model yet just pic ture conventional model boom Drill hole through trailing edge en gine mount Shove carbon fiber arrow shaft some epoxy mount tail feath ers Most modern designs also have controls mounted arrow shaft too small piece aluminum loops around shaft bellcrank bolted seems plenty strong Fast Combat models makes practically indestructible center section also another trend thats away external fuel bladderwhich proba bly good idea Weve found regular Fast Combat bladders work really well skinny tubes models tubing never expands size allowed 1 25-in-diameter tubes use FAI needle setting much better using tubing weve yet break Another plus dont have have special bladders model Cartiers group seems having good luck using open fuel pods models tubing allowed expand whatever size wants claims better performance using style conventional tubing compart ment Greg Hill used two compartments side engine mount equalize dis tribution weight suppose ultimate config uration would having tube front CG behind masses centered middle model know lot guys use outboardlocated fuel ballast lieu adding wing tip weight fuel burns off results plane getting looser lines makes landing thrill Doctor Design claims about nine grams wing tip weight required 48-in-span model offset tendency lines kick outside tip forward plane coming out turn Too much weight sure makes wing cock back turns maybe hes Onto something Wed eyeing Taipan 8 x 6 prop use Fast Combat models hub looked little small performance prop Fox better 8 x 6 wed using threw blade off buzzed up Hoffelt 36R Upon close inspection found air bub bles hub area made up about 30% area gulp failure Tai pan Ive encountered mainly because spun up way above its design limit de sign seems great wed better wait until its available carbon glass Continued page 176 174 Model Aviation S All- Balsa ARFs ZMP IN 4 SIIkHOI Su 26M 1/5th Sea/c span 68 arcaBSOsqins meter 4 stroke 120 equtr Preassustiled fuselage sheeted plug-in wings sheeted stabf & rudder 8 dia epoxy cowl texan canopy & illustrated assaibly manual see hobby dealer order direct IMPALA Masters Pattern span 66 area 800sq ins meter 4 stroke 120 60 rear Preassusisled fuselage veneered plugin wings & staba Epoxy cowl pipe cover rsaovable canopy Illustrated assembly manual MONARCH AMA Sport Pattorn span 66 area 750sqns motor 4 stroke 80 60cuin Preausustiled fuselage veneered wing shaped balsa perte texan canopy epoxy cowl illustratd assembly manual g ZIMPRO MARKETING ' P0505 5676 OAK ReGETN 37635 PHONE BiS4SS4iU about suggest buy control lines bulk somebody like Bear Manufac iuring noticed among new AMA rules proposals theres possibility going 021s Fast Slow along 40-size en gines FAI guys will just love FAI noise rule goes effect 1990 World Champs good part civilized world isnt going put up engines noise might quiet Nine ties Ive always felt use muffler need really puts people disadvan tage local meets using muffler rule have planes set up meet tougher noise limits international scene Steve Sacco sent note concerning safety thong issue point model flies across circle its gonna jerk lot harder just let handle fly loose No argument lets use wide safety thongs get someone design good us buy still think plane flying loose danger potential damage someones wrist arm least flier hurt some innocent bystander did some work Johnsons Not-So Scientific Testing Lab found can break 018 lines time good jerk difficult part trying 10 break both lines same time lines fixed solid object might harder model thered flex control system bellerank full 60 ft lines WAM Western Associated ModelersRMcM has used safety thongs decades problems Ive heard several AMA meets Ive flown required safety thongs because flown airports have pictures latest creation please send immediately can have spring gallery Combat models might also comment what think chances dur ing Combat season Ill follow-up fall dont get too carried away boasting about world-beater CL Navy Carrier/Perry Continued page 65 used OS carburetor K&B exhaust baffle swinging Rev-Up 9 x 7 prop Glenns MO-l span 375 wing area 275 sq weighed 3 lb 3 oz High speed event held Pete Ma zur 1127 mph unable finish low speed Petes 3 lb 12 oz 355 sq MO-l powered Webra Speed 61 using fuel meter carburetor exhaust slide pres sure fuel system Prop fiberglass copy Rev-Up 10 x SW Other models achieved speeds excess 90 mph powered almost mix large 60 65 cu small 41 46 cu engines four large three small equal mix large small engines throughout entries same dis tribution did exist among com pleted high-speed flights large engines successfully completed high speed over 90 mph However small engines greatly Out numbered large engines finishing high speed four large eight small larger engines usually equipped pressure fuel systems some suffered reliability problems smaller engines equipped suction fuel systems stock throttles seemed reliable Reliabilily com plex systems usually directly related amount time practice contestant can de vote event Best low speed day went author 158 sec 113 mph Glenn Simpson close behind 116 mph As Class increasing wing loading correlated very closely increas ing speed during slow flight As past dominant glow plug Fox propeller used contes tants Rev-Up popular size Pro file Class well smaller-engined Class II models 9 x 75 9 x 7 also popular Thats month As read hope well along building models next season snow will melting month two Im looking forward using vast expanse parking ramp Griffiss Air Force Base practice Argosy 1/Haught Continued page 70 paint Repeat procedures three dummy engines Too much work pro test results terrific looking Check out photos again see dont agree Fuselage Cut fuselage sides stiff sheets %-in balsa Glue plywood doublers corner blocks Cut out formers tAin plywood firewall formers C identical Wingspan 50 Area 562 sq in. Engine 40-502 cy 45-604 cy Length 45 Weight 4-4A lbs Symetrical Airfoil 4 Channel Kite Feature Machine cut B eanded parts rolled plane hardware pm-bent landing gear Check Money Order US FundsSASE InformatIon CRENSHAW AERO 423W Washington Shelbyville IN 46176 317-398-6528 M ll 400 pm ICST 176 Model Aviation PRE-FAB AIRCRAFT 4Oj65 SIZE p C Sedan Wingspan 70 Area 910 sq in. Engine 60604 cy 45-60 2 cy Length 54 Weight 6-6Y lbs Flat Bottom Wing 4 Channel SHARK 55 AN STRAIGHT SHOULDER WING SHARK ST 60SPAN TAPERED SHOULDER WING IDIWING CORD S7OSRiN 4 TOS5L5FISERGLASS COWL ALUMiNUM MAIN GEAR FLY AS TRIGEAR OR TAILDRAGGEF SALSA PRE-BUILT FUSALAGEBALSA SHEATEDILs FOAM CORE WING MACHINE CUT HAND SANDED STABLLiZER INTRODUCTORY PRICE EU 56993 5400 HANDLING MC VISA MO UPS CODA $275AMEIP b U ADDS I/% TAD IN TEXAS KINGSWAV ENTERPRISES *MPlO45O6wILDACREs SASEHOUSTON TEXAS 77072 FOR CATALOGCALLS-753-621 7782
Edition: Model Aviation - 1989/03
Page Numbers: 64, 174, 176
Phil Cartler sells Gotcha 460 kit $65kid included Features Include carbon-fiber tail boom internal external controls openstyle fuel bladder compartment LAST SUMMER AMA Nats talked Phil Cartier about making some almost-ready-tofly ARF models us dont have time build too lazy etc came up model see picture features 460-sq-in wing carbon-fiber tail boom almost finished Models Ive gotten him past have required epoxying engine mount tail place hooking up controlsabout hours work altogether new models will sell $65 groups three isnt bad consider time worth anything order models get information can contact Phil recent FAI Combat event Detroit billed Kiev Kickoff Main Event Full FAI rules used round robin Top winners L-R Ed Brzys 2nd Paul Smith 1st Pat McKinzie 3rd Steve Kott 4th Bryz machine 12 years old Smiths 4 McKinzie Kott used good stuff Photo Paul Smith Greg Woiteckis Slow Combat Bosta two impressive models 88 AMA Nats other Cranfills 7-oz Cipolla engine helped bring planes weight down rumored 16 oz also gave bigtime power Note chicken-hopper fuel tank mod Cattier 760 Waltonville Rd Hummelstown PA cheaper alternativeif can spare 17036 would advantage get few hours workbenchwould Doc orders early orders will likely overwhelm Passens Fast Combat Hornet Slow Combat production crew once contest season starts Continued page 174 Mack Henrys 1/2A replica Doroshenkos world champion model L sports metal mount Cox TeeDee Controls external pacifier fuel tank has its own compartment Heres close look tail section Russian models World Champs R Note quick-change feature thread wrapped around hardwood parts keep splitting wing trailing edge isnt balsa Hardwood used keep out warps hold wing together case impact Workmanship appears very good 64 Model Aviation Cono Line Combat Charlie Johnson 3716 lnwuhanl St Sm Wego CA 92109 BOB HOLMAN HAS MORE THAN JUST PLANS Models built plans have won Toledo Best Show World Scale Meet Masters Can other service make claim plans British Magazine also have Most Scale Send $900 two British Plans Books Best Scale catalog F4U-1 EPOXY SMI KIT 75 SPAN TBF-C1 AVENGER EPOXY SMI KIT 82 SPAN Plan Fuselage cowl canopies Best Show Toledo $16195 pp FB VI MOSQUITO 82 SPAN Plan Nacels canopy Spinners Fuselage $19995 p p Plan Fuselage Cowl canopy Ribs Spinner SPITFIRE MKI EPOXY SMI KIT 72 SPAN $17195 pp Plan Fuselage Cowl Canopy Ribs Balsa F6F HELLCAT EPOXY KIT 64 SPAN $19195 pp PLANS Spitfire lA69 Mosquito Fee71 Kit tyhawk 1 A65 P47Thunderbolt . 61 Tempest561 BT-13 Valiant 73 F4U-1 Corsair 61 Harvard .. P-SlBandO61 Fw19OA-460 Btl9Oe61 BtllOc71 F6F-6 Hellcat64 Kawanishi George 64 Spitfire 14 & 19 . 69 OS2U Kingfisher . 56 Gladiator56 Hurricane I70 PLANS $25 EACH OR SHIPPING THE BEST IN SCALE Bob Holman PO Box 741-MA San Bernardino CA 92402 planning build Scale project visit might worthwhile obtain pictures take notes pocket tape recorder handy see firsthand details might incorporate model information call write US Air Force Museum Wright-Patterson AFB OH 45433-6518 Phone 513 255-3284 Documentation source note LF Jim Pepino president Scale Plans Photo Service says new 66-page catalog now available includes photo packs plans three-views Jim provides plan en largement reduction service Photo paeks depending size contain front side rear views plane well close-ups some finer details need landing gear flaps surfaces controls cock pit instrumentation Plan enlarging done using blueprint process Plans available major categories Scale modeling includ ing Control Line course listed RC could candidates conver sion CL wish catalog send $4 SPPS 3209 Madison Ave Greensboro NC 27403 CL Combat/Johnson Continued page 64 Wasp require little work Does kits include just about everything need ex cept adhesive sample kits sent balsa very nicely cut en gine mount assembly put together semi finished model features Voodoo-style leading edge has full-depth spar solid trailing edge just over 400 sq area Profes sional Combat fliers will likely have own fa vorite model wont bother offering slightly less serious Judging lot experience similar models would expect perform well enough place contests does give away foam kill advantage because its solid-wood wing leading edge Oh well get tired patching string cuts foam anyway Does Generix kits calls seem like really good values dollar could fin ished evening recommended super glue Doe holed up palatial estate Ja sonville during winter now would good time get touch him Does Gener tx PO Box Ill Jasonville IN 47438 Prices less $20 Combat kits has sport Stunt kits too What better power new model Nelson 15 examples now come configurations before more-orless standard model rear intake/rear ex haust AAC aluminum/aluminum/chrome piston cylinder constructionRMcM seen domestic foreign FAI Combat models variation engine side-exhaust rear intake original version wtth front intake side exhaust version probably FAI Combat rear intake/rear exhaust model wtth short front end Henry likes confuse other options such ABC liner/piston rather AAC titanium crankshafts just glowengine selection Dont ask about die sels Call Henry Nelson 412 538-5282 infor mation about line sophisticated engines Prices start $175 standard Combat en gine isnt cheapbut theyre best can buy After years battling other en gines Im taking easy way out using Nelson rear intake/rear exhaust AAC setup short nose help cut down weight shorten nose moment models still may win anythingbut Ill look spectac ular losing currently trend Combat model de sign toward rear-set engine prop some close leading edge wing cant get hand hold launch lightweight carbon tail boom has made possible shove engine way back wing such short nose moment model requires long tail moment keep wobbling across sky conventional wood tail booms too heavy made long enough stiff enough resist flying loads result frequently tail-heavy model much fun fly havent seen such model yet just pic ture conventional model boom Drill hole through trailing edge en gine mount Shove carbon fiber arrow shaft some epoxy mount tail feath ers Most modern designs also have controls mounted arrow shaft too small piece aluminum loops around shaft bellcrank bolted seems plenty strong Fast Combat models makes practically indestructible center section also another trend thats away external fuel bladderwhich proba bly good idea Weve found regular Fast Combat bladders work really well skinny tubes models tubing never expands size allowed 1 25-in-diameter tubes use FAI needle setting much better using tubing weve yet break Another plus dont have have special bladders model Cartiers group seems having good luck using open fuel pods models tubing allowed expand whatever size wants claims better performance using style conventional tubing compart ment Greg Hill used two compartments side engine mount equalize dis tribution weight suppose ultimate config uration would having tube front CG behind masses centered middle model know lot guys use outboardlocated fuel ballast lieu adding wing tip weight fuel burns off results plane getting looser lines makes landing thrill Doctor Design claims about nine grams wing tip weight required 48-in-span model offset tendency lines kick outside tip forward plane coming out turn Too much weight sure makes wing cock back turns maybe hes Onto something Wed eyeing Taipan 8 x 6 prop use Fast Combat models hub looked little small performance prop Fox better 8 x 6 wed using threw blade off buzzed up Hoffelt 36R Upon close inspection found air bub bles hub area made up about 30% area gulp failure Tai pan Ive encountered mainly because spun up way above its design limit de sign seems great wed better wait until its available carbon glass Continued page 176 174 Model Aviation S All- Balsa ARFs ZMP IN 4 SIIkHOI Su 26M 1/5th Sea/c span 68 arcaBSOsqins meter 4 stroke 120 equtr Preassustiled fuselage sheeted plug-in wings sheeted stabf & rudder 8 dia epoxy cowl texan canopy & illustrated assaibly manual see hobby dealer order direct IMPALA Masters Pattern span 66 area 800sq ins meter 4 stroke 120 60 rear Preassusisled fuselage veneered plugin wings & staba Epoxy cowl pipe cover rsaovable canopy Illustrated assembly manual MONARCH AMA Sport Pattorn span 66 area 750sqns motor 4 stroke 80 60cuin Preausustiled fuselage veneered wing shaped balsa perte texan canopy epoxy cowl illustratd assembly manual g ZIMPRO MARKETING ' P0505 5676 OAK ReGETN 37635 PHONE BiS4SS4iU about suggest buy control lines bulk somebody like Bear Manufac iuring noticed among new AMA rules proposals theres possibility going 021s Fast Slow along 40-size en gines FAI guys will just love FAI noise rule goes effect 1990 World Champs good part civilized world isnt going put up engines noise might quiet Nine ties Ive always felt use muffler need really puts people disadvan tage local meets using muffler rule have planes set up meet tougher noise limits international scene Steve Sacco sent note concerning safety thong issue point model flies across circle its gonna jerk lot harder just let handle fly loose No argument lets use wide safety thongs get someone design good us buy still think plane flying loose danger potential damage someones wrist arm least flier hurt some innocent bystander did some work Johnsons Not-So Scientific Testing Lab found can break 018 lines time good jerk difficult part trying 10 break both lines same time lines fixed solid object might harder model thered flex control system bellerank full 60 ft lines WAM Western Associated ModelersRMcM has used safety thongs decades problems Ive heard several AMA meets Ive flown required safety thongs because flown airports have pictures latest creation please send immediately can have spring gallery Combat models might also comment what think chances dur ing Combat season Ill follow-up fall dont get too carried away boasting about world-beater CL Navy Carrier/Perry Continued page 65 used OS carburetor K&B exhaust baffle swinging Rev-Up 9 x 7 prop Glenns MO-l span 375 wing area 275 sq weighed 3 lb 3 oz High speed event held Pete Ma zur 1127 mph unable finish low speed Petes 3 lb 12 oz 355 sq MO-l powered Webra Speed 61 using fuel meter carburetor exhaust slide pres sure fuel system Prop fiberglass copy Rev-Up 10 x SW Other models achieved speeds excess 90 mph powered almost mix large 60 65 cu small 41 46 cu engines four large three small equal mix large small engines throughout entries same dis tribution did exist among com pleted high-speed flights large engines successfully completed high speed over 90 mph However small engines greatly Out numbered large engines finishing high speed four large eight small larger engines usually equipped pressure fuel systems some suffered reliability problems smaller engines equipped suction fuel systems stock throttles seemed reliable Reliabilily com plex systems usually directly related amount time practice contestant can de vote event Best low speed day went author 158 sec 113 mph Glenn Simpson close behind 116 mph As Class increasing wing loading correlated very closely increas ing speed during slow flight As past dominant glow plug Fox propeller used contes tants Rev-Up popular size Pro file Class well smaller-engined Class II models 9 x 75 9 x 7 also popular Thats month As read hope well along building models next season snow will melting month two Im looking forward using vast expanse parking ramp Griffiss Air Force Base practice Argosy 1/Haught Continued page 70 paint Repeat procedures three dummy engines Too much work pro test results terrific looking Check out photos again see dont agree Fuselage Cut fuselage sides stiff sheets %-in balsa Glue plywood doublers corner blocks Cut out formers tAin plywood firewall formers C identical Wingspan 50 Area 562 sq in. Engine 40-502 cy 45-604 cy Length 45 Weight 4-4A lbs Symetrical Airfoil 4 Channel Kite Feature Machine cut B eanded parts rolled plane hardware pm-bent landing gear Check Money Order US FundsSASE InformatIon CRENSHAW AERO 423W Washington Shelbyville IN 46176 317-398-6528 M ll 400 pm ICST 176 Model Aviation PRE-FAB AIRCRAFT 4Oj65 SIZE p C Sedan Wingspan 70 Area 910 sq in. Engine 60604 cy 45-60 2 cy Length 54 Weight 6-6Y lbs Flat Bottom Wing 4 Channel SHARK 55 AN STRAIGHT SHOULDER WING SHARK ST 60SPAN TAPERED SHOULDER WING IDIWING CORD S7OSRiN 4 TOS5L5FISERGLASS COWL ALUMiNUM MAIN GEAR FLY AS TRIGEAR OR TAILDRAGGEF SALSA PRE-BUILT FUSALAGEBALSA SHEATEDILs FOAM CORE WING MACHINE CUT HAND SANDED STABLLiZER INTRODUCTORY PRICE EU 56993 5400 HANDLING MC VISA MO UPS CODA $275AMEIP b U ADDS I/% TAD IN TEXAS KINGSWAV ENTERPRISES *MPlO45O6wILDACREs SASEHOUSTON TEXAS 77072 FOR CATALOGCALLS-753-621 7782