Control Line. Speed Gene Hempel &TomUpton WITH Nats over have opportunity print information some let ters have received First congratula tions Glen Van Sant entered Cleveland Junior Air Races Ohio July 1st 2nd 1978 Glen won beau tiful high point trophy 50 point mar gin over Quay Barber previously won two years Also missed BRM Speed Meet Robert Moher CD indicated speeds very good rain holding off until awards given out several records set Glen Van Sant Quay Barber Texas gang held Annual South western Model Championships Hobby Park over Labor Day weekend Dallas Texas missed con test missed goodie Al Stegens Cleveland Ohio Ytuarte family New York made down Numerous records established majority going Dennis Ytuarte New York trophies beautiful etched glass vases something certainly different usual pot metal trophy Saturday night saw dinner banquet Bedfords Steak House everyone enjoyed selves chow wasnt too bad either time wish announce formation new speed team composed Charlie Davis wife Lynn Davis Franco Marcenario known have dubbed Mickey Mouse Team So said Charlie turned 20995 mph first Jet Speed Southwestern Model Championships using modified Raven head sidewinder mode fuel mixture 2 parts nitro 1 part prop hoping knock Bill Pardue jet throne Would jet fliers write tell us about some activity concerns Cant write about dont write us Richard Shannon Dresden TN made Texas chat see what D Continued page 102 Scenes trom Southwestern ihampionships Leit dubbed key Mouse learn land somehow mysteriously appearingi fast group Jet20995 mph Southwestern L-R Lynn Davis Charlie Davis Franco Marcenario Right Several fliers huddle includ ing Dub Jett modell Johnny Shannon Al Stegens Ohiol Al seems saying Dubby would believe left good 1/2A home 38 Model Aviation Next engine tank perhaps important quest consisieni iop speed Photos show specs authors Class B tankcritical details outlined text Silastic Gop used fixing tank pan Pilot does final tweaking height flight groove Authors B venturi uses ST X-40 parts PAMPA members nearby Days Inn further info motel reservations King Orange International call Gene 904 743-1737 Joe Mead 904 388-7454 information PA MPA stunt write Wynn Paul 1640 May wick Drive Lexington KY40504 CL Speed/Hempel/Upton continued page 38 Speed has offer currently terested observing D Speed operating new mini-pipe rule Hope Richard returns flying Tom Upton has decided hang flying hat product review product review product review product review product review product review product review product review product review Mammoth Scale Pilots Separate goggles featured easy-to-paint high-impact styrenefigures Intended mammoth scale models pilot measures 4-in high Price $295 Williams Bros 181 Pawnee St San Marcos CA 92069 Muff-L-Aire Muff-L-Aire unique fully adjustable universal muffler Mini-Muff L-Aire fits engines 09 25 $695 Universal Muff-L-Aire $895 fits engines 29 80 Special K&B 40 muffler $895 same Universal muffler ex cept two additional exhaust port plugs included three mufflers fitted stainless steel spring adjustable screw control noise level backpressure preference Clean running sends exhaust straight away plane Ready stallation includes optional bolt-on pressure fitting install desired Both Universal K&B 40 mufflers can shortened up 1 fit inside cowl Mini-Muffler can shortened Black anodized fit almost installation Du-Bro Products Inc 480 Bonner Rd Wauconda IL 60084 Great Lakes Trainer Another sparkling series authentic classic aircraft Flyline 1 A-in scale 15-to 25-powered windin-the-wires biplane bit ambitious previous models line bigger featuring full-house control maximum realism $3495 Flyline Models Inc 2820 Dorr Ave B-2 Fairfax VA 22031 Finishing Book 16-pg book let written Jerry Schwartz Pactra covering aspects finishing basic materials such foam balsa fiberglassin dopes paints iron-ons such well-pre sented thoroughly done job recom mend modeler beginner expert have reference library should answer question anyone would ever raise interest boat car builders well aircrafters fact-packed clearly organized illustrated photos drawings $100 far superior single article subject ever presented magazine Recommend yourfriendsand lost souls flying field Though related Pactra products crash course what everyone needs know about finishing Pactra Indus tries Inc 7060 Hollywood Blvd Los Angel es CA 90028 Auto Mix/Super Pumper Auto Mix intend ed applications unusual conditions exist such non-pump-compatible carbur etors carburetors poor low-speed tering displacements below 401 com bination fuel system requirements make critical adjustments Robert PO Box 122 Wheaton IL 60187 RS-205 REPLA-SKETCH _t-J F CROPOUSTER New Repla-Tech Described fresh stimulating approach RC building firm fers 5 new products 1 Flying scale plans models actually structured built RC subjects first two being 1978 Cessna Agwag 2 sheets new Zlin Z-50-L Aerobatic 4 sheets 21 Repla-Build Booklets abundant photos instructions building models 3 Repla-Sketch Booklets scale data actual airplane history pix 3views sketches descriptions 4 Photo pack ets 3 x 5 color groups model airplane plus b&ws actual plane 51 Plastic parts such cockpit canopy Repla-Tech has accur ate finely drawn plans aircraft missiles ships Aircraft drawings range series 3-views detailed drawings super de tailed Catalog$100 Morrison Repla-Tech 48500 McKenzie Hwy Vida OR 97488 product review product review product review product review product review product review product review product review product review 102 ModelAviation OUR AIM IS TO KEEP SPORT FLYING SPECIALIZING IN OT FF KITS AND ENGINES FOR THE COMPETITOR WE HAVE THE HOT EQUIPMENT 1s Enterprises PLANES1356 Ervin Road BOATSP 0 Box 227 CARSPangles Center TRAINSVan Wert OH 45896 4 Joe Guylas 419 238-2645 WE BUY OR TRADE OLD ENGINES AND KITS rack againfor times now Hes decided try boats 200-mph B Speed model something has hit upon us some pain have experimenting fuel sys tem B Speed approximately three years Just felt fuel system perfected another ugly gremlin would stick head up shoot us down assistance Dub Jett David Layman hopefully now have something performs well consistent As have preached past no speed secrets just plain hard work Only can make go follow ideas suggestions will greatly increase chances success achieving 200 mph flight have numerous articles printed about tanks other fuel sys tems have found tank system described below offers consistent run time engine tank system have married together per form single unit three good 29 engines know will turn 200 mph K&B 29 Tigre X-29 DJS29 tank system enables operation higher exhaust timing normal high exhaust timing bladder fuel system usually burn engine cause difficult get good needle setting tank eliminates engine burn ing certain point unfortunately still can happen have operated K&B 29 up 1820 exhaust timing Dub Jett David Layman have operated X-29s DJS 29s up 1790 ex haust timing First start obtaining some 0 10 shim stock similar material Dimensions given B tank can calculate size tank wish construct model probably will have some modifying will fit pan choice can apply 1/32/3 rule bend wedge Tuned Pipes HB Engines pipe adapter kits fit HB 40 HB 50 HB 61 en gines Distinctive black finish provides effective heat dissipation necessary hard ware adequate amount sili cone tubing Shown tuned pipe 501 tuned pipe 61 adapter kit HB 40 HB 501 adapter kit IHB 611 adapter kit extend ed manifold HB 61 information Bavar ian Precision Products Co PO Box 6 22 E Ave New Canaan CT 06840 product review product review product review tank fuel ram-air tubes placed example B tank 1/3 375 would place wedge bend 125 front tank width will adjusted fit pan volume cubic centimeters recommended tank follows l/2A 20cc B D tubing size used l/2A 3/32 OD B D 1/8 OD plac ing fuel pick-up necessary bottom tank can let come up approximately 1/32 bottom ram-air tube must placed tube OD above fuel pick up important tank system work Leland Morton suggests pull fuel pick up tube 1/32 forward ramair tube D tank also place baffle holes punched remove weight fuel pick up tube Another important factor distance ram-air tube edge fuselage have found good order make engine go rich lean can bend ram-air tube out relative airstream make engine go rich bending tube inward will make run lean Another way pinch ramair tube half closed method worked best us After finish conceiving master piece make sure tank sets horizontal level flat whatever necessary achieve thisvery important may have mill grind away pan achieve level position Another important factor place fuel pick-up tube close centerline carburetor possible tank installed fuel pick-up tube 1/16 outside centerline carburetor next item venturi diameter placement suction pick-up tube venturi venturi diameters use 234 B D 370 B use X 40 venturi aluminum insert pressed make inside diameter smaller can utilize needle valve parts make lower assembly will screw venturi outside diameter B suction tit l/8 may have solder piece 1/8 tubing onto tube correct size necessary fuel suction placement suction tit ven turi throat 1/3 ID could vary slightly Note photo next step go out try will have experiment find right combination make system work have found set engine peak turn needle valve out 1/4 turn ready fly can adjust needle valve small crements come just right flying pilot will set needle sounds crazy now fly high engine will try run rich fly low engine leans out will have learn flying bunch Hope will help someone go 200 mph New Products Received some neat goodies Hobbypoxy guys might like items used repair dents dings called P F C Poly ester Filler Compound Also have some new Hobbypoxy glue doesnt run apply called Formula 3 Thixotrophic Epoxy Glue Try might like custom chrome work ma chine job contact Gene Hempel P&G Metal Shop 301 N Yale Drive Garland January1979 103 REALISM SCALE ACCESSORIES WILLIAMS BROTHERS RADIO CONTROL SCALE PILOTS E WHEELS CONTROL-LINECYLINDERS ENGINE KITS MACHINE GUN KITS FREE-FLIGHT STIC DISPLAY MODELS SEND 5O FOR COMPLETE ILLUSTRATED CATALOG DEPT MA 181 PAWNEE STREET SAN MARCOS CA S 92069 oroduct review oroduct review oroduct review SCALE CLASEiCS 7Plans & Construction Manual CURTISS HAWK PEE STINSONRELIANT SR9 SoaI94oSpan 62200MScaI 12r Span$2500 2SoaIa 63 Span 12002Scale 84 Spanj500 lVoSoaIa47Span 1OliScale 63 Span$1200 CUF1TISS GOSHAWK FilCO 2 Scala 03 Span51590 CURTISS GULFHAWK lA . 2Soala 63 Span 51500 Scale 94i Span 53OP P1000 Add $100 Pestg 04 HondlIng 00t01d US Add SS00MO oil Poymonte toRichard G Barron1213 Hol SprIng Ln Grand Blanc MichIgan 48439 Bald 010 0 C0npt Infe-otlon TX 75042 Phone 214 272-5210 Gene Hempel Tom Upton 301 N Yale Dr Garland TX 75042 CL Navy Carrier/Perry continued page 39 Ive trying get across years doesnt take machine shop trick air plane large bankroll enjoy Car rier flying well Profile won using commercially available equipment minor modifications dis cussed length magazineno secrets fuel right off dealers shelf Class almost different engines entries other 40-size events have encouraged engine manufacturers produce wide variety good 40 engines technology spreading RC 40s well Most good hobby shops should have selection engines would good Class mention Pylon Rat engines cast away because no longer restart well enough Class II fewer engine types Webra Supertigre Rossi no dominant engines manufacturers building new 60s RC Pattern should really great Class II come throttles dont put down suction fuel systems either sec ond highest Class II flight score NATS 1576 went MO-I nothing moveable elevator top speed 2 mph behind leader engine used stock Super tigre carburetor suction fuel system Profile 73% engines Supertigre 5T35 three Fox Profile Carrier Specials TWA did fly because damage model Supertigres took trophies So pass word get friends out fly Carrier Take Profile ships field weekends pass handle around Once someone has flown throttle its hard go back just two lines last few issues have listed new rules proposals current cycle havent read means Some proposals may sound good others may turn stomach whatever opinion owe self make thoughts known CLCB representative Hurry want heard addresses Competition Newsletter section CLCB members dont have crystal balls tell what want have hear Invest few minutes future event Richard L Perry 5016 ngelita Ave Dayton OH 45424 CL Scale/Gretz continued page 40 Keep model light possible want fly well somehow make lighter hope aerobatics Should bellcrank leadouts imbedded wing should belicrank mounted middle heightwise fuselage leadouts projecting straight out real answer depends great extent layout subject aircraft scale detail ing involved So far aircraft Ive modeled preference has mount bellcrank inside fuselage instead wing simply because avoids problem having elevator throttle pushrod disconnect bellcrank wing removed leadouts can located wingtip plastic plywood wire guide Make holes leadout guide large enough allow flexible leadouts pulled through guide pushed fuselage during static judging transit Locate fore aft bellcrank leadout positions relation aver age chord wing puts con trol system direct easy understand trace relationship aircrafts Center Gravity Center Pressure works almost normal shape arrangement wingsmonoplanes bi planes constant chord tapered delta etc accompanying drawing shows gen eral relationship control system average chord start own CL designs scale can find average chord models wing draw full-size plan exact locations control system components can determined model bellcrank position can varied slightly necessary allow room cockpit landing gear details etc Figure 33% average chord rearward limit have moved bellcrank much 2 ahead point no ill effects Mount bellcrank least /s thick plywood 5-ply 3-ply accord ing manufacturers instructions center leadout group should slightly behind 33% average chord point isnt necessary have adjustable leadouts get general location Spacing between leadouts isnt really critical Some CL stunt designs have leadouts right top other others have anywhere tween leadouts avoid chance line connectors becoming tangled suggest spacing leadouts 3-line system shown drawing best build separate moveable aileron rudder surfaces rather using drawn ink facsimilies maximum scale points model can fully flight trimmable Depending upon factors some degree aileron de flection may needed get model fly shoulder height wings perfectly level Use about 1 2 ounces outboard wingtip weight rudder should offset out side flight circle normal CL models Right engine offset isnt normally used scale model usually impossible build model being detectable nose contours isnt really needed larger size scale model smaller lighter sport model Westland Whirlwind Story fullscale military aviation history Westland Whirlwind has distinction being 104 Model Aviation new LAssIC kit FLYLINI 11/2 scaLe GREATLAKES Trainer 40 span 09-25 power 4 channels nc 5 complete catalog 25 FLYLINE MODELS INC 4 2820 DOAR AVENUE 52 FAIRFAX VIRGINIA 22021703 573-2030
Edition: Model Aviation - 1979/01
Page Numbers: 38, 102, 103, 104
Control Line. Speed Gene Hempel &TomUpton WITH Nats over have opportunity print information some let ters have received First congratula tions Glen Van Sant entered Cleveland Junior Air Races Ohio July 1st 2nd 1978 Glen won beau tiful high point trophy 50 point mar gin over Quay Barber previously won two years Also missed BRM Speed Meet Robert Moher CD indicated speeds very good rain holding off until awards given out several records set Glen Van Sant Quay Barber Texas gang held Annual South western Model Championships Hobby Park over Labor Day weekend Dallas Texas missed con test missed goodie Al Stegens Cleveland Ohio Ytuarte family New York made down Numerous records established majority going Dennis Ytuarte New York trophies beautiful etched glass vases something certainly different usual pot metal trophy Saturday night saw dinner banquet Bedfords Steak House everyone enjoyed selves chow wasnt too bad either time wish announce formation new speed team composed Charlie Davis wife Lynn Davis Franco Marcenario known have dubbed Mickey Mouse Team So said Charlie turned 20995 mph first Jet Speed Southwestern Model Championships using modified Raven head sidewinder mode fuel mixture 2 parts nitro 1 part prop hoping knock Bill Pardue jet throne Would jet fliers write tell us about some activity concerns Cant write about dont write us Richard Shannon Dresden TN made Texas chat see what D Continued page 102 Scenes trom Southwestern ihampionships Leit dubbed key Mouse learn land somehow mysteriously appearingi fast group Jet20995 mph Southwestern L-R Lynn Davis Charlie Davis Franco Marcenario Right Several fliers huddle includ ing Dub Jett modell Johnny Shannon Al Stegens Ohiol Al seems saying Dubby would believe left good 1/2A home 38 Model Aviation Next engine tank perhaps important quest consisieni iop speed Photos show specs authors Class B tankcritical details outlined text Silastic Gop used fixing tank pan Pilot does final tweaking height flight groove Authors B venturi uses ST X-40 parts PAMPA members nearby Days Inn further info motel reservations King Orange International call Gene 904 743-1737 Joe Mead 904 388-7454 information PA MPA stunt write Wynn Paul 1640 May wick Drive Lexington KY40504 CL Speed/Hempel/Upton continued page 38 Speed has offer currently terested observing D Speed operating new mini-pipe rule Hope Richard returns flying Tom Upton has decided hang flying hat product review product review product review product review product review product review product review product review product review Mammoth Scale Pilots Separate goggles featured easy-to-paint high-impact styrenefigures Intended mammoth scale models pilot measures 4-in high Price $295 Williams Bros 181 Pawnee St San Marcos CA 92069 Muff-L-Aire Muff-L-Aire unique fully adjustable universal muffler Mini-Muff L-Aire fits engines 09 25 $695 Universal Muff-L-Aire $895 fits engines 29 80 Special K&B 40 muffler $895 same Universal muffler ex cept two additional exhaust port plugs included three mufflers fitted stainless steel spring adjustable screw control noise level backpressure preference Clean running sends exhaust straight away plane Ready stallation includes optional bolt-on pressure fitting install desired Both Universal K&B 40 mufflers can shortened up 1 fit inside cowl Mini-Muffler can shortened Black anodized fit almost installation Du-Bro Products Inc 480 Bonner Rd Wauconda IL 60084 Great Lakes Trainer Another sparkling series authentic classic aircraft Flyline 1 A-in scale 15-to 25-powered windin-the-wires biplane bit ambitious previous models line bigger featuring full-house control maximum realism $3495 Flyline Models Inc 2820 Dorr Ave B-2 Fairfax VA 22031 Finishing Book 16-pg book let written Jerry Schwartz Pactra covering aspects finishing basic materials such foam balsa fiberglassin dopes paints iron-ons such well-pre sented thoroughly done job recom mend modeler beginner expert have reference library should answer question anyone would ever raise interest boat car builders well aircrafters fact-packed clearly organized illustrated photos drawings $100 far superior single article subject ever presented magazine Recommend yourfriendsand lost souls flying field Though related Pactra products crash course what everyone needs know about finishing Pactra Indus tries Inc 7060 Hollywood Blvd Los Angel es CA 90028 Auto Mix/Super Pumper Auto Mix intend ed applications unusual conditions exist such non-pump-compatible carbur etors carburetors poor low-speed tering displacements below 401 com bination fuel system requirements make critical adjustments Robert PO Box 122 Wheaton IL 60187 RS-205 REPLA-SKETCH _t-J F CROPOUSTER New Repla-Tech Described fresh stimulating approach RC building firm fers 5 new products 1 Flying scale plans models actually structured built RC subjects first two being 1978 Cessna Agwag 2 sheets new Zlin Z-50-L Aerobatic 4 sheets 21 Repla-Build Booklets abundant photos instructions building models 3 Repla-Sketch Booklets scale data actual airplane history pix 3views sketches descriptions 4 Photo pack ets 3 x 5 color groups model airplane plus b&ws actual plane 51 Plastic parts such cockpit canopy Repla-Tech has accur ate finely drawn plans aircraft missiles ships Aircraft drawings range series 3-views detailed drawings super de tailed Catalog$100 Morrison Repla-Tech 48500 McKenzie Hwy Vida OR 97488 product review product review product review product review product review product review product review product review product review 102 ModelAviation OUR AIM IS TO KEEP SPORT FLYING SPECIALIZING IN OT FF KITS AND ENGINES FOR THE COMPETITOR WE HAVE THE HOT EQUIPMENT 1s Enterprises PLANES1356 Ervin Road BOATSP 0 Box 227 CARSPangles Center TRAINSVan Wert OH 45896 4 Joe Guylas 419 238-2645 WE BUY OR TRADE OLD ENGINES AND KITS rack againfor times now Hes decided try boats 200-mph B Speed model something has hit upon us some pain have experimenting fuel sys tem B Speed approximately three years Just felt fuel system perfected another ugly gremlin would stick head up shoot us down assistance Dub Jett David Layman hopefully now have something performs well consistent As have preached past no speed secrets just plain hard work Only can make go follow ideas suggestions will greatly increase chances success achieving 200 mph flight have numerous articles printed about tanks other fuel sys tems have found tank system described below offers consistent run time engine tank system have married together per form single unit three good 29 engines know will turn 200 mph K&B 29 Tigre X-29 DJS29 tank system enables operation higher exhaust timing normal high exhaust timing bladder fuel system usually burn engine cause difficult get good needle setting tank eliminates engine burn ing certain point unfortunately still can happen have operated K&B 29 up 1820 exhaust timing Dub Jett David Layman have operated X-29s DJS 29s up 1790 ex haust timing First start obtaining some 0 10 shim stock similar material Dimensions given B tank can calculate size tank wish construct model probably will have some modifying will fit pan choice can apply 1/32/3 rule bend wedge Tuned Pipes HB Engines pipe adapter kits fit HB 40 HB 50 HB 61 en gines Distinctive black finish provides effective heat dissipation necessary hard ware adequate amount sili cone tubing Shown tuned pipe 501 tuned pipe 61 adapter kit HB 40 HB 501 adapter kit IHB 611 adapter kit extend ed manifold HB 61 information Bavar ian Precision Products Co PO Box 6 22 E Ave New Canaan CT 06840 product review product review product review tank fuel ram-air tubes placed example B tank 1/3 375 would place wedge bend 125 front tank width will adjusted fit pan volume cubic centimeters recommended tank follows l/2A 20cc B D tubing size used l/2A 3/32 OD B D 1/8 OD plac ing fuel pick-up necessary bottom tank can let come up approximately 1/32 bottom ram-air tube must placed tube OD above fuel pick up important tank system work Leland Morton suggests pull fuel pick up tube 1/32 forward ramair tube D tank also place baffle holes punched remove weight fuel pick up tube Another important factor distance ram-air tube edge fuselage have found good order make engine go rich lean can bend ram-air tube out relative airstream make engine go rich bending tube inward will make run lean Another way pinch ramair tube half closed method worked best us After finish conceiving master piece make sure tank sets horizontal level flat whatever necessary achieve thisvery important may have mill grind away pan achieve level position Another important factor place fuel pick-up tube close centerline carburetor possible tank installed fuel pick-up tube 1/16 outside centerline carburetor next item venturi diameter placement suction pick-up tube venturi venturi diameters use 234 B D 370 B use X 40 venturi aluminum insert pressed make inside diameter smaller can utilize needle valve parts make lower assembly will screw venturi outside diameter B suction tit l/8 may have solder piece 1/8 tubing onto tube correct size necessary fuel suction placement suction tit ven turi throat 1/3 ID could vary slightly Note photo next step go out try will have experiment find right combination make system work have found set engine peak turn needle valve out 1/4 turn ready fly can adjust needle valve small crements come just right flying pilot will set needle sounds crazy now fly high engine will try run rich fly low engine leans out will have learn flying bunch Hope will help someone go 200 mph New Products Received some neat goodies Hobbypoxy guys might like items used repair dents dings called P F C Poly ester Filler Compound Also have some new Hobbypoxy glue doesnt run apply called Formula 3 Thixotrophic Epoxy Glue Try might like custom chrome work ma chine job contact Gene Hempel P&G Metal Shop 301 N Yale Drive Garland January1979 103 REALISM SCALE ACCESSORIES WILLIAMS BROTHERS RADIO CONTROL SCALE PILOTS E WHEELS CONTROL-LINECYLINDERS ENGINE KITS MACHINE GUN KITS FREE-FLIGHT STIC DISPLAY MODELS SEND 5O FOR COMPLETE ILLUSTRATED CATALOG DEPT MA 181 PAWNEE STREET SAN MARCOS CA S 92069 oroduct review oroduct review oroduct review SCALE CLASEiCS 7Plans & Construction Manual CURTISS HAWK PEE STINSONRELIANT SR9 SoaI94oSpan 62200MScaI 12r Span$2500 2SoaIa 63 Span 12002Scale 84 Spanj500 lVoSoaIa47Span 1OliScale 63 Span$1200 CUF1TISS GOSHAWK FilCO 2 Scala 03 Span51590 CURTISS GULFHAWK lA . 2Soala 63 Span 51500 Scale 94i Span 53OP P1000 Add $100 Pestg 04 HondlIng 00t01d US Add SS00MO oil Poymonte toRichard G Barron1213 Hol SprIng Ln Grand Blanc MichIgan 48439 Bald 010 0 C0npt Infe-otlon TX 75042 Phone 214 272-5210 Gene Hempel Tom Upton 301 N Yale Dr Garland TX 75042 CL Navy Carrier/Perry continued page 39 Ive trying get across years doesnt take machine shop trick air plane large bankroll enjoy Car rier flying well Profile won using commercially available equipment minor modifications dis cussed length magazineno secrets fuel right off dealers shelf Class almost different engines entries other 40-size events have encouraged engine manufacturers produce wide variety good 40 engines technology spreading RC 40s well Most good hobby shops should have selection engines would good Class mention Pylon Rat engines cast away because no longer restart well enough Class II fewer engine types Webra Supertigre Rossi no dominant engines manufacturers building new 60s RC Pattern should really great Class II come throttles dont put down suction fuel systems either sec ond highest Class II flight score NATS 1576 went MO-I nothing moveable elevator top speed 2 mph behind leader engine used stock Super tigre carburetor suction fuel system Profile 73% engines Supertigre 5T35 three Fox Profile Carrier Specials TWA did fly because damage model Supertigres took trophies So pass word get friends out fly Carrier Take Profile ships field weekends pass handle around Once someone has flown throttle its hard go back just two lines last few issues have listed new rules proposals current cycle havent read means Some proposals may sound good others may turn stomach whatever opinion owe self make thoughts known CLCB representative Hurry want heard addresses Competition Newsletter section CLCB members dont have crystal balls tell what want have hear Invest few minutes future event Richard L Perry 5016 ngelita Ave Dayton OH 45424 CL Scale/Gretz continued page 40 Keep model light possible want fly well somehow make lighter hope aerobatics Should bellcrank leadouts imbedded wing should belicrank mounted middle heightwise fuselage leadouts projecting straight out real answer depends great extent layout subject aircraft scale detail ing involved So far aircraft Ive modeled preference has mount bellcrank inside fuselage instead wing simply because avoids problem having elevator throttle pushrod disconnect bellcrank wing removed leadouts can located wingtip plastic plywood wire guide Make holes leadout guide large enough allow flexible leadouts pulled through guide pushed fuselage during static judging transit Locate fore aft bellcrank leadout positions relation aver age chord wing puts con trol system direct easy understand trace relationship aircrafts Center Gravity Center Pressure works almost normal shape arrangement wingsmonoplanes bi planes constant chord tapered delta etc accompanying drawing shows gen eral relationship control system average chord start own CL designs scale can find average chord models wing draw full-size plan exact locations control system components can determined model bellcrank position can varied slightly necessary allow room cockpit landing gear details etc Figure 33% average chord rearward limit have moved bellcrank much 2 ahead point no ill effects Mount bellcrank least /s thick plywood 5-ply 3-ply accord ing manufacturers instructions center leadout group should slightly behind 33% average chord point isnt necessary have adjustable leadouts get general location Spacing between leadouts isnt really critical Some CL stunt designs have leadouts right top other others have anywhere tween leadouts avoid chance line connectors becoming tangled suggest spacing leadouts 3-line system shown drawing best build separate moveable aileron rudder surfaces rather using drawn ink facsimilies maximum scale points model can fully flight trimmable Depending upon factors some degree aileron de flection may needed get model fly shoulder height wings perfectly level Use about 1 2 ounces outboard wingtip weight rudder should offset out side flight circle normal CL models Right engine offset isnt normally used scale model usually impossible build model being detectable nose contours isnt really needed larger size scale model smaller lighter sport model Westland Whirlwind Story fullscale military aviation history Westland Whirlwind has distinction being 104 Model Aviation new LAssIC kit FLYLINI 11/2 scaLe GREATLAKES Trainer 40 span 09-25 power 4 channels nc 5 complete catalog 25 FLYLINE MODELS INC 4 2820 DOAR AVENUE 52 FAIRFAX VIRGINIA 22021703 573-2030
Edition: Model Aviation - 1979/01
Page Numbers: 38, 102, 103, 104
Control Line. Speed Gene Hempel &TomUpton WITH Nats over have opportunity print information some let ters have received First congratula tions Glen Van Sant entered Cleveland Junior Air Races Ohio July 1st 2nd 1978 Glen won beau tiful high point trophy 50 point mar gin over Quay Barber previously won two years Also missed BRM Speed Meet Robert Moher CD indicated speeds very good rain holding off until awards given out several records set Glen Van Sant Quay Barber Texas gang held Annual South western Model Championships Hobby Park over Labor Day weekend Dallas Texas missed con test missed goodie Al Stegens Cleveland Ohio Ytuarte family New York made down Numerous records established majority going Dennis Ytuarte New York trophies beautiful etched glass vases something certainly different usual pot metal trophy Saturday night saw dinner banquet Bedfords Steak House everyone enjoyed selves chow wasnt too bad either time wish announce formation new speed team composed Charlie Davis wife Lynn Davis Franco Marcenario known have dubbed Mickey Mouse Team So said Charlie turned 20995 mph first Jet Speed Southwestern Model Championships using modified Raven head sidewinder mode fuel mixture 2 parts nitro 1 part prop hoping knock Bill Pardue jet throne Would jet fliers write tell us about some activity concerns Cant write about dont write us Richard Shannon Dresden TN made Texas chat see what D Continued page 102 Scenes trom Southwestern ihampionships Leit dubbed key Mouse learn land somehow mysteriously appearingi fast group Jet20995 mph Southwestern L-R Lynn Davis Charlie Davis Franco Marcenario Right Several fliers huddle includ ing Dub Jett modell Johnny Shannon Al Stegens Ohiol Al seems saying Dubby would believe left good 1/2A home 38 Model Aviation Next engine tank perhaps important quest consisieni iop speed Photos show specs authors Class B tankcritical details outlined text Silastic Gop used fixing tank pan Pilot does final tweaking height flight groove Authors B venturi uses ST X-40 parts PAMPA members nearby Days Inn further info motel reservations King Orange International call Gene 904 743-1737 Joe Mead 904 388-7454 information PA MPA stunt write Wynn Paul 1640 May wick Drive Lexington KY40504 CL Speed/Hempel/Upton continued page 38 Speed has offer currently terested observing D Speed operating new mini-pipe rule Hope Richard returns flying Tom Upton has decided hang flying hat product review product review product review product review product review product review product review product review product review Mammoth Scale Pilots Separate goggles featured easy-to-paint high-impact styrenefigures Intended mammoth scale models pilot measures 4-in high Price $295 Williams Bros 181 Pawnee St San Marcos CA 92069 Muff-L-Aire Muff-L-Aire unique fully adjustable universal muffler Mini-Muff L-Aire fits engines 09 25 $695 Universal Muff-L-Aire $895 fits engines 29 80 Special K&B 40 muffler $895 same Universal muffler ex cept two additional exhaust port plugs included three mufflers fitted stainless steel spring adjustable screw control noise level backpressure preference Clean running sends exhaust straight away plane Ready stallation includes optional bolt-on pressure fitting install desired Both Universal K&B 40 mufflers can shortened up 1 fit inside cowl Mini-Muffler can shortened Black anodized fit almost installation Du-Bro Products Inc 480 Bonner Rd Wauconda IL 60084 Great Lakes Trainer Another sparkling series authentic classic aircraft Flyline 1 A-in scale 15-to 25-powered windin-the-wires biplane bit ambitious previous models line bigger featuring full-house control maximum realism $3495 Flyline Models Inc 2820 Dorr Ave B-2 Fairfax VA 22031 Finishing Book 16-pg book let written Jerry Schwartz Pactra covering aspects finishing basic materials such foam balsa fiberglassin dopes paints iron-ons such well-pre sented thoroughly done job recom mend modeler beginner expert have reference library should answer question anyone would ever raise interest boat car builders well aircrafters fact-packed clearly organized illustrated photos drawings $100 far superior single article subject ever presented magazine Recommend yourfriendsand lost souls flying field Though related Pactra products crash course what everyone needs know about finishing Pactra Indus tries Inc 7060 Hollywood Blvd Los Angel es CA 90028 Auto Mix/Super Pumper Auto Mix intend ed applications unusual conditions exist such non-pump-compatible carbur etors carburetors poor low-speed tering displacements below 401 com bination fuel system requirements make critical adjustments Robert PO Box 122 Wheaton IL 60187 RS-205 REPLA-SKETCH _t-J F CROPOUSTER New Repla-Tech Described fresh stimulating approach RC building firm fers 5 new products 1 Flying scale plans models actually structured built RC subjects first two being 1978 Cessna Agwag 2 sheets new Zlin Z-50-L Aerobatic 4 sheets 21 Repla-Build Booklets abundant photos instructions building models 3 Repla-Sketch Booklets scale data actual airplane history pix 3views sketches descriptions 4 Photo pack ets 3 x 5 color groups model airplane plus b&ws actual plane 51 Plastic parts such cockpit canopy Repla-Tech has accur ate finely drawn plans aircraft missiles ships Aircraft drawings range series 3-views detailed drawings super de tailed Catalog$100 Morrison Repla-Tech 48500 McKenzie Hwy Vida OR 97488 product review product review product review product review product review product review product review product review product review 102 ModelAviation OUR AIM IS TO KEEP SPORT FLYING SPECIALIZING IN OT FF KITS AND ENGINES FOR THE COMPETITOR WE HAVE THE HOT EQUIPMENT 1s Enterprises PLANES1356 Ervin Road BOATSP 0 Box 227 CARSPangles Center TRAINSVan Wert OH 45896 4 Joe Guylas 419 238-2645 WE BUY OR TRADE OLD ENGINES AND KITS rack againfor times now Hes decided try boats 200-mph B Speed model something has hit upon us some pain have experimenting fuel sys tem B Speed approximately three years Just felt fuel system perfected another ugly gremlin would stick head up shoot us down assistance Dub Jett David Layman hopefully now have something performs well consistent As have preached past no speed secrets just plain hard work Only can make go follow ideas suggestions will greatly increase chances success achieving 200 mph flight have numerous articles printed about tanks other fuel sys tems have found tank system described below offers consistent run time engine tank system have married together per form single unit three good 29 engines know will turn 200 mph K&B 29 Tigre X-29 DJS29 tank system enables operation higher exhaust timing normal high exhaust timing bladder fuel system usually burn engine cause difficult get good needle setting tank eliminates engine burn ing certain point unfortunately still can happen have operated K&B 29 up 1820 exhaust timing Dub Jett David Layman have operated X-29s DJS 29s up 1790 ex haust timing First start obtaining some 0 10 shim stock similar material Dimensions given B tank can calculate size tank wish construct model probably will have some modifying will fit pan choice can apply 1/32/3 rule bend wedge Tuned Pipes HB Engines pipe adapter kits fit HB 40 HB 50 HB 61 en gines Distinctive black finish provides effective heat dissipation necessary hard ware adequate amount sili cone tubing Shown tuned pipe 501 tuned pipe 61 adapter kit HB 40 HB 501 adapter kit IHB 611 adapter kit extend ed manifold HB 61 information Bavar ian Precision Products Co PO Box 6 22 E Ave New Canaan CT 06840 product review product review product review tank fuel ram-air tubes placed example B tank 1/3 375 would place wedge bend 125 front tank width will adjusted fit pan volume cubic centimeters recommended tank follows l/2A 20cc B D tubing size used l/2A 3/32 OD B D 1/8 OD plac ing fuel pick-up necessary bottom tank can let come up approximately 1/32 bottom ram-air tube must placed tube OD above fuel pick up important tank system work Leland Morton suggests pull fuel pick up tube 1/32 forward ramair tube D tank also place baffle holes punched remove weight fuel pick up tube Another important factor distance ram-air tube edge fuselage have found good order make engine go rich lean can bend ram-air tube out relative airstream make engine go rich bending tube inward will make run lean Another way pinch ramair tube half closed method worked best us After finish conceiving master piece make sure tank sets horizontal level flat whatever necessary achieve thisvery important may have mill grind away pan achieve level position Another important factor place fuel pick-up tube close centerline carburetor possible tank installed fuel pick-up tube 1/16 outside centerline carburetor next item venturi diameter placement suction pick-up tube venturi venturi diameters use 234 B D 370 B use X 40 venturi aluminum insert pressed make inside diameter smaller can utilize needle valve parts make lower assembly will screw venturi outside diameter B suction tit l/8 may have solder piece 1/8 tubing onto tube correct size necessary fuel suction placement suction tit ven turi throat 1/3 ID could vary slightly Note photo next step go out try will have experiment find right combination make system work have found set engine peak turn needle valve out 1/4 turn ready fly can adjust needle valve small crements come just right flying pilot will set needle sounds crazy now fly high engine will try run rich fly low engine leans out will have learn flying bunch Hope will help someone go 200 mph New Products Received some neat goodies Hobbypoxy guys might like items used repair dents dings called P F C Poly ester Filler Compound Also have some new Hobbypoxy glue doesnt run apply called Formula 3 Thixotrophic Epoxy Glue Try might like custom chrome work ma chine job contact Gene Hempel P&G Metal Shop 301 N Yale Drive Garland January1979 103 REALISM SCALE ACCESSORIES WILLIAMS BROTHERS RADIO CONTROL SCALE PILOTS E WHEELS CONTROL-LINECYLINDERS ENGINE KITS MACHINE GUN KITS FREE-FLIGHT STIC DISPLAY MODELS SEND 5O FOR COMPLETE ILLUSTRATED CATALOG DEPT MA 181 PAWNEE STREET SAN MARCOS CA S 92069 oroduct review oroduct review oroduct review SCALE CLASEiCS 7Plans & Construction Manual CURTISS HAWK PEE STINSONRELIANT SR9 SoaI94oSpan 62200MScaI 12r Span$2500 2SoaIa 63 Span 12002Scale 84 Spanj500 lVoSoaIa47Span 1OliScale 63 Span$1200 CUF1TISS GOSHAWK FilCO 2 Scala 03 Span51590 CURTISS GULFHAWK lA . 2Soala 63 Span 51500 Scale 94i Span 53OP P1000 Add $100 Pestg 04 HondlIng 00t01d US Add SS00MO oil Poymonte toRichard G Barron1213 Hol SprIng Ln Grand Blanc MichIgan 48439 Bald 010 0 C0npt Infe-otlon TX 75042 Phone 214 272-5210 Gene Hempel Tom Upton 301 N Yale Dr Garland TX 75042 CL Navy Carrier/Perry continued page 39 Ive trying get across years doesnt take machine shop trick air plane large bankroll enjoy Car rier flying well Profile won using commercially available equipment minor modifications dis cussed length magazineno secrets fuel right off dealers shelf Class almost different engines entries other 40-size events have encouraged engine manufacturers produce wide variety good 40 engines technology spreading RC 40s well Most good hobby shops should have selection engines would good Class mention Pylon Rat engines cast away because no longer restart well enough Class II fewer engine types Webra Supertigre Rossi no dominant engines manufacturers building new 60s RC Pattern should really great Class II come throttles dont put down suction fuel systems either sec ond highest Class II flight score NATS 1576 went MO-I nothing moveable elevator top speed 2 mph behind leader engine used stock Super tigre carburetor suction fuel system Profile 73% engines Supertigre 5T35 three Fox Profile Carrier Specials TWA did fly because damage model Supertigres took trophies So pass word get friends out fly Carrier Take Profile ships field weekends pass handle around Once someone has flown throttle its hard go back just two lines last few issues have listed new rules proposals current cycle havent read means Some proposals may sound good others may turn stomach whatever opinion owe self make thoughts known CLCB representative Hurry want heard addresses Competition Newsletter section CLCB members dont have crystal balls tell what want have hear Invest few minutes future event Richard L Perry 5016 ngelita Ave Dayton OH 45424 CL Scale/Gretz continued page 40 Keep model light possible want fly well somehow make lighter hope aerobatics Should bellcrank leadouts imbedded wing should belicrank mounted middle heightwise fuselage leadouts projecting straight out real answer depends great extent layout subject aircraft scale detail ing involved So far aircraft Ive modeled preference has mount bellcrank inside fuselage instead wing simply because avoids problem having elevator throttle pushrod disconnect bellcrank wing removed leadouts can located wingtip plastic plywood wire guide Make holes leadout guide large enough allow flexible leadouts pulled through guide pushed fuselage during static judging transit Locate fore aft bellcrank leadout positions relation aver age chord wing puts con trol system direct easy understand trace relationship aircrafts Center Gravity Center Pressure works almost normal shape arrangement wingsmonoplanes bi planes constant chord tapered delta etc accompanying drawing shows gen eral relationship control system average chord start own CL designs scale can find average chord models wing draw full-size plan exact locations control system components can determined model bellcrank position can varied slightly necessary allow room cockpit landing gear details etc Figure 33% average chord rearward limit have moved bellcrank much 2 ahead point no ill effects Mount bellcrank least /s thick plywood 5-ply 3-ply accord ing manufacturers instructions center leadout group should slightly behind 33% average chord point isnt necessary have adjustable leadouts get general location Spacing between leadouts isnt really critical Some CL stunt designs have leadouts right top other others have anywhere tween leadouts avoid chance line connectors becoming tangled suggest spacing leadouts 3-line system shown drawing best build separate moveable aileron rudder surfaces rather using drawn ink facsimilies maximum scale points model can fully flight trimmable Depending upon factors some degree aileron de flection may needed get model fly shoulder height wings perfectly level Use about 1 2 ounces outboard wingtip weight rudder should offset out side flight circle normal CL models Right engine offset isnt normally used scale model usually impossible build model being detectable nose contours isnt really needed larger size scale model smaller lighter sport model Westland Whirlwind Story fullscale military aviation history Westland Whirlwind has distinction being 104 Model Aviation new LAssIC kit FLYLINI 11/2 scaLe GREATLAKES Trainer 40 span 09-25 power 4 channels nc 5 complete catalog 25 FLYLINE MODELS INC 4 2820 DOAR AVENUE 52 FAIRFAX VIRGINIA 22021703 573-2030
Edition: Model Aviation - 1979/01
Page Numbers: 38, 102, 103, 104
Control Line. Speed Gene Hempel &TomUpton WITH Nats over have opportunity print information some let ters have received First congratula tions Glen Van Sant entered Cleveland Junior Air Races Ohio July 1st 2nd 1978 Glen won beau tiful high point trophy 50 point mar gin over Quay Barber previously won two years Also missed BRM Speed Meet Robert Moher CD indicated speeds very good rain holding off until awards given out several records set Glen Van Sant Quay Barber Texas gang held Annual South western Model Championships Hobby Park over Labor Day weekend Dallas Texas missed con test missed goodie Al Stegens Cleveland Ohio Ytuarte family New York made down Numerous records established majority going Dennis Ytuarte New York trophies beautiful etched glass vases something certainly different usual pot metal trophy Saturday night saw dinner banquet Bedfords Steak House everyone enjoyed selves chow wasnt too bad either time wish announce formation new speed team composed Charlie Davis wife Lynn Davis Franco Marcenario known have dubbed Mickey Mouse Team So said Charlie turned 20995 mph first Jet Speed Southwestern Model Championships using modified Raven head sidewinder mode fuel mixture 2 parts nitro 1 part prop hoping knock Bill Pardue jet throne Would jet fliers write tell us about some activity concerns Cant write about dont write us Richard Shannon Dresden TN made Texas chat see what D Continued page 102 Scenes trom Southwestern ihampionships Leit dubbed key Mouse learn land somehow mysteriously appearingi fast group Jet20995 mph Southwestern L-R Lynn Davis Charlie Davis Franco Marcenario Right Several fliers huddle includ ing Dub Jett modell Johnny Shannon Al Stegens Ohiol Al seems saying Dubby would believe left good 1/2A home 38 Model Aviation Next engine tank perhaps important quest consisieni iop speed Photos show specs authors Class B tankcritical details outlined text Silastic Gop used fixing tank pan Pilot does final tweaking height flight groove Authors B venturi uses ST X-40 parts PAMPA members nearby Days Inn further info motel reservations King Orange International call Gene 904 743-1737 Joe Mead 904 388-7454 information PA MPA stunt write Wynn Paul 1640 May wick Drive Lexington KY40504 CL Speed/Hempel/Upton continued page 38 Speed has offer currently terested observing D Speed operating new mini-pipe rule Hope Richard returns flying Tom Upton has decided hang flying hat product review product review product review product review product review product review product review product review product review Mammoth Scale Pilots Separate goggles featured easy-to-paint high-impact styrenefigures Intended mammoth scale models pilot measures 4-in high Price $295 Williams Bros 181 Pawnee St San Marcos CA 92069 Muff-L-Aire Muff-L-Aire unique fully adjustable universal muffler Mini-Muff L-Aire fits engines 09 25 $695 Universal Muff-L-Aire $895 fits engines 29 80 Special K&B 40 muffler $895 same Universal muffler ex cept two additional exhaust port plugs included three mufflers fitted stainless steel spring adjustable screw control noise level backpressure preference Clean running sends exhaust straight away plane Ready stallation includes optional bolt-on pressure fitting install desired Both Universal K&B 40 mufflers can shortened up 1 fit inside cowl Mini-Muffler can shortened Black anodized fit almost installation Du-Bro Products Inc 480 Bonner Rd Wauconda IL 60084 Great Lakes Trainer Another sparkling series authentic classic aircraft Flyline 1 A-in scale 15-to 25-powered windin-the-wires biplane bit ambitious previous models line bigger featuring full-house control maximum realism $3495 Flyline Models Inc 2820 Dorr Ave B-2 Fairfax VA 22031 Finishing Book 16-pg book let written Jerry Schwartz Pactra covering aspects finishing basic materials such foam balsa fiberglassin dopes paints iron-ons such well-pre sented thoroughly done job recom mend modeler beginner expert have reference library should answer question anyone would ever raise interest boat car builders well aircrafters fact-packed clearly organized illustrated photos drawings $100 far superior single article subject ever presented magazine Recommend yourfriendsand lost souls flying field Though related Pactra products crash course what everyone needs know about finishing Pactra Indus tries Inc 7060 Hollywood Blvd Los Angel es CA 90028 Auto Mix/Super Pumper Auto Mix intend ed applications unusual conditions exist such non-pump-compatible carbur etors carburetors poor low-speed tering displacements below 401 com bination fuel system requirements make critical adjustments Robert PO Box 122 Wheaton IL 60187 RS-205 REPLA-SKETCH _t-J F CROPOUSTER New Repla-Tech Described fresh stimulating approach RC building firm fers 5 new products 1 Flying scale plans models actually structured built RC subjects first two being 1978 Cessna Agwag 2 sheets new Zlin Z-50-L Aerobatic 4 sheets 21 Repla-Build Booklets abundant photos instructions building models 3 Repla-Sketch Booklets scale data actual airplane history pix 3views sketches descriptions 4 Photo pack ets 3 x 5 color groups model airplane plus b&ws actual plane 51 Plastic parts such cockpit canopy Repla-Tech has accur ate finely drawn plans aircraft missiles ships Aircraft drawings range series 3-views detailed drawings super de tailed Catalog$100 Morrison Repla-Tech 48500 McKenzie Hwy Vida OR 97488 product review product review product review product review product review product review product review product review product review 102 ModelAviation OUR AIM IS TO KEEP SPORT FLYING SPECIALIZING IN OT FF KITS AND ENGINES FOR THE COMPETITOR WE HAVE THE HOT EQUIPMENT 1s Enterprises PLANES1356 Ervin Road BOATSP 0 Box 227 CARSPangles Center TRAINSVan Wert OH 45896 4 Joe Guylas 419 238-2645 WE BUY OR TRADE OLD ENGINES AND KITS rack againfor times now Hes decided try boats 200-mph B Speed model something has hit upon us some pain have experimenting fuel sys tem B Speed approximately three years Just felt fuel system perfected another ugly gremlin would stick head up shoot us down assistance Dub Jett David Layman hopefully now have something performs well consistent As have preached past no speed secrets just plain hard work Only can make go follow ideas suggestions will greatly increase chances success achieving 200 mph flight have numerous articles printed about tanks other fuel sys tems have found tank system described below offers consistent run time engine tank system have married together per form single unit three good 29 engines know will turn 200 mph K&B 29 Tigre X-29 DJS29 tank system enables operation higher exhaust timing normal high exhaust timing bladder fuel system usually burn engine cause difficult get good needle setting tank eliminates engine burn ing certain point unfortunately still can happen have operated K&B 29 up 1820 exhaust timing Dub Jett David Layman have operated X-29s DJS 29s up 1790 ex haust timing First start obtaining some 0 10 shim stock similar material Dimensions given B tank can calculate size tank wish construct model probably will have some modifying will fit pan choice can apply 1/32/3 rule bend wedge Tuned Pipes HB Engines pipe adapter kits fit HB 40 HB 50 HB 61 en gines Distinctive black finish provides effective heat dissipation necessary hard ware adequate amount sili cone tubing Shown tuned pipe 501 tuned pipe 61 adapter kit HB 40 HB 501 adapter kit IHB 611 adapter kit extend ed manifold HB 61 information Bavar ian Precision Products Co PO Box 6 22 E Ave New Canaan CT 06840 product review product review product review tank fuel ram-air tubes placed example B tank 1/3 375 would place wedge bend 125 front tank width will adjusted fit pan volume cubic centimeters recommended tank follows l/2A 20cc B D tubing size used l/2A 3/32 OD B D 1/8 OD plac ing fuel pick-up necessary bottom tank can let come up approximately 1/32 bottom ram-air tube must placed tube OD above fuel pick up important tank system work Leland Morton suggests pull fuel pick up tube 1/32 forward ramair tube D tank also place baffle holes punched remove weight fuel pick up tube Another important factor distance ram-air tube edge fuselage have found good order make engine go rich lean can bend ram-air tube out relative airstream make engine go rich bending tube inward will make run lean Another way pinch ramair tube half closed method worked best us After finish conceiving master piece make sure tank sets horizontal level flat whatever necessary achieve thisvery important may have mill grind away pan achieve level position Another important factor place fuel pick-up tube close centerline carburetor possible tank installed fuel pick-up tube 1/16 outside centerline carburetor next item venturi diameter placement suction pick-up tube venturi venturi diameters use 234 B D 370 B use X 40 venturi aluminum insert pressed make inside diameter smaller can utilize needle valve parts make lower assembly will screw venturi outside diameter B suction tit l/8 may have solder piece 1/8 tubing onto tube correct size necessary fuel suction placement suction tit ven turi throat 1/3 ID could vary slightly Note photo next step go out try will have experiment find right combination make system work have found set engine peak turn needle valve out 1/4 turn ready fly can adjust needle valve small crements come just right flying pilot will set needle sounds crazy now fly high engine will try run rich fly low engine leans out will have learn flying bunch Hope will help someone go 200 mph New Products Received some neat goodies Hobbypoxy guys might like items used repair dents dings called P F C Poly ester Filler Compound Also have some new Hobbypoxy glue doesnt run apply called Formula 3 Thixotrophic Epoxy Glue Try might like custom chrome work ma chine job contact Gene Hempel P&G Metal Shop 301 N Yale Drive Garland January1979 103 REALISM SCALE ACCESSORIES WILLIAMS BROTHERS RADIO CONTROL SCALE PILOTS E WHEELS CONTROL-LINECYLINDERS ENGINE KITS MACHINE GUN KITS FREE-FLIGHT STIC DISPLAY MODELS SEND 5O FOR COMPLETE ILLUSTRATED CATALOG DEPT MA 181 PAWNEE STREET SAN MARCOS CA S 92069 oroduct review oroduct review oroduct review SCALE CLASEiCS 7Plans & Construction Manual CURTISS HAWK PEE STINSONRELIANT SR9 SoaI94oSpan 62200MScaI 12r Span$2500 2SoaIa 63 Span 12002Scale 84 Spanj500 lVoSoaIa47Span 1OliScale 63 Span$1200 CUF1TISS GOSHAWK FilCO 2 Scala 03 Span51590 CURTISS GULFHAWK lA . 2Soala 63 Span 51500 Scale 94i Span 53OP P1000 Add $100 Pestg 04 HondlIng 00t01d US Add SS00MO oil Poymonte toRichard G Barron1213 Hol SprIng Ln Grand Blanc MichIgan 48439 Bald 010 0 C0npt Infe-otlon TX 75042 Phone 214 272-5210 Gene Hempel Tom Upton 301 N Yale Dr Garland TX 75042 CL Navy Carrier/Perry continued page 39 Ive trying get across years doesnt take machine shop trick air plane large bankroll enjoy Car rier flying well Profile won using commercially available equipment minor modifications dis cussed length magazineno secrets fuel right off dealers shelf Class almost different engines entries other 40-size events have encouraged engine manufacturers produce wide variety good 40 engines technology spreading RC 40s well Most good hobby shops should have selection engines would good Class mention Pylon Rat engines cast away because no longer restart well enough Class II fewer engine types Webra Supertigre Rossi no dominant engines manufacturers building new 60s RC Pattern should really great Class II come throttles dont put down suction fuel systems either sec ond highest Class II flight score NATS 1576 went MO-I nothing moveable elevator top speed 2 mph behind leader engine used stock Super tigre carburetor suction fuel system Profile 73% engines Supertigre 5T35 three Fox Profile Carrier Specials TWA did fly because damage model Supertigres took trophies So pass word get friends out fly Carrier Take Profile ships field weekends pass handle around Once someone has flown throttle its hard go back just two lines last few issues have listed new rules proposals current cycle havent read means Some proposals may sound good others may turn stomach whatever opinion owe self make thoughts known CLCB representative Hurry want heard addresses Competition Newsletter section CLCB members dont have crystal balls tell what want have hear Invest few minutes future event Richard L Perry 5016 ngelita Ave Dayton OH 45424 CL Scale/Gretz continued page 40 Keep model light possible want fly well somehow make lighter hope aerobatics Should bellcrank leadouts imbedded wing should belicrank mounted middle heightwise fuselage leadouts projecting straight out real answer depends great extent layout subject aircraft scale detail ing involved So far aircraft Ive modeled preference has mount bellcrank inside fuselage instead wing simply because avoids problem having elevator throttle pushrod disconnect bellcrank wing removed leadouts can located wingtip plastic plywood wire guide Make holes leadout guide large enough allow flexible leadouts pulled through guide pushed fuselage during static judging transit Locate fore aft bellcrank leadout positions relation aver age chord wing puts con trol system direct easy understand trace relationship aircrafts Center Gravity Center Pressure works almost normal shape arrangement wingsmonoplanes bi planes constant chord tapered delta etc accompanying drawing shows gen eral relationship control system average chord start own CL designs scale can find average chord models wing draw full-size plan exact locations control system components can determined model bellcrank position can varied slightly necessary allow room cockpit landing gear details etc Figure 33% average chord rearward limit have moved bellcrank much 2 ahead point no ill effects Mount bellcrank least /s thick plywood 5-ply 3-ply accord ing manufacturers instructions center leadout group should slightly behind 33% average chord point isnt necessary have adjustable leadouts get general location Spacing between leadouts isnt really critical Some CL stunt designs have leadouts right top other others have anywhere tween leadouts avoid chance line connectors becoming tangled suggest spacing leadouts 3-line system shown drawing best build separate moveable aileron rudder surfaces rather using drawn ink facsimilies maximum scale points model can fully flight trimmable Depending upon factors some degree aileron de flection may needed get model fly shoulder height wings perfectly level Use about 1 2 ounces outboard wingtip weight rudder should offset out side flight circle normal CL models Right engine offset isnt normally used scale model usually impossible build model being detectable nose contours isnt really needed larger size scale model smaller lighter sport model Westland Whirlwind Story fullscale military aviation history Westland Whirlwind has distinction being 104 Model Aviation new LAssIC kit FLYLINI 11/2 scaLe GREATLAKES Trainer 40 span 09-25 power 4 channels nc 5 complete catalog 25 FLYLINE MODELS INC 4 2820 DOAR AVENUE 52 FAIRFAX VIRGINIA 22021703 573-2030