BACK Good Old Days following WW II author flew Mustangs brown-shoe Army Air Force 40th Fighter Squadron based Johnson Air Base near Irumagawa Ja pan shared ramp 339th Night Fighter Squadron flew mighty twinengined Northrop P-61 Black Widow got know quite bit about bird two GIs 339th formed sum total John son Model Club flew Control Line craft bases baseball diamond source model supplies Honolulubut thats another story inspiration months column came Art Hershberger up Wisconsin Arts fas cinated Northrop P-6 pro cess designing 82-in-span RC version Black Widow two 60 glow engines extended phone call asked some assist ance yours truly Hed already decided hed compromise scale provide extended ailerons P-61 ailerons miniscule birds primary roll control spoilersa fea ture Art isnt going duplicate Hed also planned model booms crew nacelle tail surfaces fixed wing center sec tion monolithic structure wing tip pan els would removable facilitate transporting Black Widow make model simpler build sug gested composite wing structure Art cen ter section-of wing would made using ribs spars sort structure dif ficult task building modelaligning would much easier booms hor izontal stab elevator placed between would lot simpler square wing open structure could glued crew nacelle would tie open-structure wing center section well Since nacelle holds nose gear has fixed firmly place came Outer wing panels sug gested cut foam Easy make alignment problems arent overly stressed ailerons would hinged piece de resistance came Art sug gested using aluminum tube main wing spar tip panels using extended aluminum spar size could telescope main spar could slipped place fixed hidden setscrew top boom Since Art going use retracts itll simple get setscrews through main wheel wells Needless say Im looking forward seeing Arts drawingsbecause suspect plans will reflect easy-to-build school Giant Scale model design 42 Model Aviation Theres much time get ready nows time 10th annual festival Rally Giantsthe IMAAs big event yearis scheduled June 28-30 July 1st Osh kosh WI Giant models will flown Witt man Field home Experimental Aircraft As sociation well local lake Itll first time rally has included flying fa cilities float-equipped models flying boats amphibians Check spring issue High Flight IMAAs quarterly magazine specifics rally Theyre available writing Remember Oshkosh late June WarnerMay member him superb Fairchild 22 Clipped-Wing Monocoupe 110 Special Giant Scale drawings work Auburn University has cut designing time severely has A-scale Monocoupe drafting table Stay ing true favorite aircraft has found enough time build Ikon NWests Monocoupe 90-A A-scale kit Lynn indicated plans great model easy build Best said bird flew like proverbial homesick angel looking forward big Monocoupe plans Radio Control Giant Scale John de Vries Colonel USAF Ret 4610 Moffat Ln Colorado Springs CO 80915 An 81-in-wingspan DeHavilland Mosquito Bob Holman has copies drawings Giant Lynn Lockrows stunning Monocoupe 90A built Ikon NWest kit Model covered Permagloss Coverite cowl painted Black Baron epoxy Power comes ST 3000 uses 18 x 8-4 Zinger prop Wingspan 96 model flies beautifully looks Gene DeCooks quarter-scale Funk B-85-C Plane spans 105 weighs 181/4 lb ready fly Engine OS FS-1 20 prop 16 x 6 Plane replica Funk owned Scott Boyer Custar OH Paint scheme factory originalmaroon yellow Drawings available soon recently heard good friend Lynn Lockrow down Auburn AL will re Speaking Giant Scale designers letter Gene DeCook Canandaigua NY met Gene some years ago STARs Rally Glean NY event drew -scale plans Akron Funk B-85-C have marketed DGA Designs 135 E Main St Phelps NY 14532 Its marvelously obscure aircraft Gene has now drawn A-scale version Thirties-vintage high-wing monoplane 105-in span powered OS FS-61 Gene dicates larger Funk has flight characteristics prototype particularly what might rather small engine power would pure overkill quote Gene di rectly drawings big version Funk will available near future Bob Holman PO Box 741 San Bernardino CA 92402 advises us now has Mick Reeves Sopwith Camel drawings both Y3 scale along spun cowls scale wheels both sizes British WW fighter warbird addicts Bob indicates hell soon have drawings A-scale Supermarine Spit fire should some kind B-I-G model Getting back obscure Giant subjects Chuck Rhodes 3218 Fairacres Rd Huntsville AL 35805 has prepared drawings Fiat CR 170 low-winged acrobatic monoplane Sug gested power SuperTigre 2500/3000 spans just smidgen short Big Bird 74 Hes also working CR 270 acrobatic bipe Drop Chuck line youre inter ested something entirely different take flying field have followed column over years know Ive advocated modify ing Scale designs produce different models same similar aircraft Flight lines perk up theres increased variety Scale ships rather usual lineup Mustangs Cubs adequate documentation average Gi ant Scale modeler can update Spitfire modify Waco retaining moments areas incidence settings original drawings pro duce unique model Ive come across sterling example sort kit-bashing has produced great Giant About two summers ago Bob Hanson RC club Colorado flying Senior Kadet wing rubberbands gave up ghost fuselage made like javelin preordained results wing fluttered ground piece Bob took home hung up workshop Later casting about new model build Bob ran across plans Sig kit important noted similarity between Senior Kadet Lindberghs Spirit St Louis use old wing build Gi ant Scale model thought Bob wrote Smithsonian some three-views began con struction drawings hand Bob noted fuse lage moments Kadet darn close Spirit Using 15-in chord Kadet wing size proposed model scaled fuselage tail surfaces match 60in Kadet fuselage stretched about six inches mostly ahead wing mount simple modification reproduce Ryans fuselage outlines old wing rather short dihedral built Spirit has flat wing split original center maintain chosen 2A-in-to-the-ft scale added two feet span few extra ribs some spar splicing pro duced wingspan 102 1500 sq scaled-down size Spirit St Louis Continued page 164 Leader small Airfoil Technology Spinners New Master Airscrew series spinners four sizes Featuring aluminum backplate true running cones made red black engineering grade nylon strength resist starter burn spinners have excellent balance custom fit Master Airscrew propellers Available black red sizes V 1.. $325 2375 2..425 475 See Hobby Dealer MASTER AIRSCREW propellers accessories WINDSOR PROPELLER CO 3219 Monier Circle Rancho Cordova CA 95742 May 1990 43 PreBuilt MV-i Typhoon * Designed Ron Chidgey *1 000/o Gator RIG Products Components wing/stab tubes & adjusters canopy & cowl * 1000/a built up construction precision jigs * Bob Violetts Magnalite GB 125 used formers * Satisfaction Guaranteed WOODORAINS INC Rt 9 Box 122 Gumming GA 30130 404-889-4758 Tim Megan Richardson Ga Residents Add 6% Sales Tax HIGH QUALITY ULTRA SWITCH HARNESS Gold contacts inside switch AJI connectors manufactured Futaba Ultra low profile actuator Positive lock Mounting simply requires drill ing 1/4 inch hole * 100% tested custom cable lengths availbie upon request minimal cost ULTRA SWITCH HARNESS $1995 PLUS $250 SHIPPING & HANDLING Custom Tronics new company dedicated solely manufacture electronic prod ucts custom-designed gadgetry RC modeler offering system interested clubs Send stamped pread dressed business size # 11 envelope Cus tom Tronics PO Box 6151 Katy TX 77491 Telephone 1-713/855-6677 envelope will also receive first edition catalog companys brand-new product linefree RC Aerobatics/Van Putte Continued page 41 best pilot cannot win team trials inade quate airplane Am feeling properly chastised really since t still dont think biplane will ever truly competitive Pattern really believe biplanes aerodynamically inferior monoplanes mentioned March column another part reason prejudice will very hard convince some judges biplane can really perform Pattern maneuvers well judge team selection finals first impression Tonys Fyg-Leaf was trying make statement con vince airplane could fly maneu vers described rule book force myself ohjective believe t successful Tony earned scores gave him judge notable excep tion scores generally low relative rest judges However scores suddenly high relative rest judges Tonys biplane flew judge liked bi planes Boy cant wait get some mail biplane controversy RC Giant Scale/de Vries Continued page 43 tail surfaces looked rather small enlarged regain same areas Senior Kadet Bob used 45 power tate la mented Kadet figured new semiscale Spirit might need go installed Fox 60 uncovered form engine spinner wheels resulting model weighs 6 lb Bob estimates itll tip scales nine pounds ready fly aluminum Mono Kote covering Bob Hansons Spirit St Louis striking semiscale Giant No would ever imagine its basically Sig Senior Kadet price three-view bit balsa ply hes pro duced outstanding Scale model Hes commended skill insight Back next month RC Electrics/Kopski Continued page 45 may have missed col umn dealt differences between two cat egories speed controls frame-rate high-rate designs column showed total power system efficiency can dramatically influenced types used particular test results presented clearly show high-rate technology way goby big marginin applications speed control truly used way What mean have plane flown speed control controlling speed throughout flight opposed being used on/off device youre much better off avoid ing frame-rate designs sounds interest go find copy December 89 issue Related columns October 89 Janu ary 90 issues Other recent reader reaction includes varied comments BEC battery eliminator cir cuits topic also discussed recent columns BEC products use motor battery provide operating voltage receiver/servo system Aircraft versions intended automatically shut down motor still enough battery reserve safely run receiver Reader comments BEC mixed Several wrote expressing satisfaction BEC prod uct theyre using others quite oppo site say latter case crashed planes rea son negative reaction reader partic ular cautioned about using some RC car controls planesbecause BEC designs may al low flight-time margin very successful BEC-equipped product popular Futaha Elec tric receiver receiver also includes builtin frame-rate speed control recommendation dont know sure BEC product works well air plane dont use Personally Im staying separate receiver batteries speed controls now Another topic interest concern has 164 Model Aviation PLUS SIePP WJG & HANDLING Satisfaction Guaranteed SH-710 Pkg 24-$2 95 EAv HINEE THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier install other hinge No gouging picking messy epoxies Simply cut single knife slot hinge slide hinges place apply few drops favorite CA glue youre done SUPER FAST SUPER EASY SUPER STRONG 74e e4t /a9e4 /oa MFG CO INC.401-7 So Front St.Montezuma IA 50171 23-5154 0- SUPERTANKS & SUPERMUFFLERS ZINGER WOOD PROPS GIANT SCALE RIO PLANS UJ RA RT NEODESHA KS 66757 316325-2821 DEALERS CALL SEND $100 FOR COMPLETE CATALOG
Edition: Model Aviation - 1990/05
Page Numbers: 42, 43, 164
BACK Good Old Days following WW II author flew Mustangs brown-shoe Army Air Force 40th Fighter Squadron based Johnson Air Base near Irumagawa Ja pan shared ramp 339th Night Fighter Squadron flew mighty twinengined Northrop P-61 Black Widow got know quite bit about bird two GIs 339th formed sum total John son Model Club flew Control Line craft bases baseball diamond source model supplies Honolulubut thats another story inspiration months column came Art Hershberger up Wisconsin Arts fas cinated Northrop P-6 pro cess designing 82-in-span RC version Black Widow two 60 glow engines extended phone call asked some assist ance yours truly Hed already decided hed compromise scale provide extended ailerons P-61 ailerons miniscule birds primary roll control spoilersa fea ture Art isnt going duplicate Hed also planned model booms crew nacelle tail surfaces fixed wing center sec tion monolithic structure wing tip pan els would removable facilitate transporting Black Widow make model simpler build sug gested composite wing structure Art cen ter section-of wing would made using ribs spars sort structure dif ficult task building modelaligning would much easier booms hor izontal stab elevator placed between would lot simpler square wing open structure could glued crew nacelle would tie open-structure wing center section well Since nacelle holds nose gear has fixed firmly place came Outer wing panels sug gested cut foam Easy make alignment problems arent overly stressed ailerons would hinged piece de resistance came Art sug gested using aluminum tube main wing spar tip panels using extended aluminum spar size could telescope main spar could slipped place fixed hidden setscrew top boom Since Art going use retracts itll simple get setscrews through main wheel wells Needless say Im looking forward seeing Arts drawingsbecause suspect plans will reflect easy-to-build school Giant Scale model design 42 Model Aviation Theres much time get ready nows time 10th annual festival Rally Giantsthe IMAAs big event yearis scheduled June 28-30 July 1st Osh kosh WI Giant models will flown Witt man Field home Experimental Aircraft As sociation well local lake Itll first time rally has included flying fa cilities float-equipped models flying boats amphibians Check spring issue High Flight IMAAs quarterly magazine specifics rally Theyre available writing Remember Oshkosh late June WarnerMay member him superb Fairchild 22 Clipped-Wing Monocoupe 110 Special Giant Scale drawings work Auburn University has cut designing time severely has A-scale Monocoupe drafting table Stay ing true favorite aircraft has found enough time build Ikon NWests Monocoupe 90-A A-scale kit Lynn indicated plans great model easy build Best said bird flew like proverbial homesick angel looking forward big Monocoupe plans Radio Control Giant Scale John de Vries Colonel USAF Ret 4610 Moffat Ln Colorado Springs CO 80915 An 81-in-wingspan DeHavilland Mosquito Bob Holman has copies drawings Giant Lynn Lockrows stunning Monocoupe 90A built Ikon NWest kit Model covered Permagloss Coverite cowl painted Black Baron epoxy Power comes ST 3000 uses 18 x 8-4 Zinger prop Wingspan 96 model flies beautifully looks Gene DeCooks quarter-scale Funk B-85-C Plane spans 105 weighs 181/4 lb ready fly Engine OS FS-1 20 prop 16 x 6 Plane replica Funk owned Scott Boyer Custar OH Paint scheme factory originalmaroon yellow Drawings available soon recently heard good friend Lynn Lockrow down Auburn AL will re Speaking Giant Scale designers letter Gene DeCook Canandaigua NY met Gene some years ago STARs Rally Glean NY event drew -scale plans Akron Funk B-85-C have marketed DGA Designs 135 E Main St Phelps NY 14532 Its marvelously obscure aircraft Gene has now drawn A-scale version Thirties-vintage high-wing monoplane 105-in span powered OS FS-61 Gene dicates larger Funk has flight characteristics prototype particularly what might rather small engine power would pure overkill quote Gene di rectly drawings big version Funk will available near future Bob Holman PO Box 741 San Bernardino CA 92402 advises us now has Mick Reeves Sopwith Camel drawings both Y3 scale along spun cowls scale wheels both sizes British WW fighter warbird addicts Bob indicates hell soon have drawings A-scale Supermarine Spit fire should some kind B-I-G model Getting back obscure Giant subjects Chuck Rhodes 3218 Fairacres Rd Huntsville AL 35805 has prepared drawings Fiat CR 170 low-winged acrobatic monoplane Sug gested power SuperTigre 2500/3000 spans just smidgen short Big Bird 74 Hes also working CR 270 acrobatic bipe Drop Chuck line youre inter ested something entirely different take flying field have followed column over years know Ive advocated modify ing Scale designs produce different models same similar aircraft Flight lines perk up theres increased variety Scale ships rather usual lineup Mustangs Cubs adequate documentation average Gi ant Scale modeler can update Spitfire modify Waco retaining moments areas incidence settings original drawings pro duce unique model Ive come across sterling example sort kit-bashing has produced great Giant About two summers ago Bob Hanson RC club Colorado flying Senior Kadet wing rubberbands gave up ghost fuselage made like javelin preordained results wing fluttered ground piece Bob took home hung up workshop Later casting about new model build Bob ran across plans Sig kit important noted similarity between Senior Kadet Lindberghs Spirit St Louis use old wing build Gi ant Scale model thought Bob wrote Smithsonian some three-views began con struction drawings hand Bob noted fuse lage moments Kadet darn close Spirit Using 15-in chord Kadet wing size proposed model scaled fuselage tail surfaces match 60in Kadet fuselage stretched about six inches mostly ahead wing mount simple modification reproduce Ryans fuselage outlines old wing rather short dihedral built Spirit has flat wing split original center maintain chosen 2A-in-to-the-ft scale added two feet span few extra ribs some spar splicing pro duced wingspan 102 1500 sq scaled-down size Spirit St Louis Continued page 164 Leader small Airfoil Technology Spinners New Master Airscrew series spinners four sizes Featuring aluminum backplate true running cones made red black engineering grade nylon strength resist starter burn spinners have excellent balance custom fit Master Airscrew propellers Available black red sizes V 1.. $325 2375 2..425 475 See Hobby Dealer MASTER AIRSCREW propellers accessories WINDSOR PROPELLER CO 3219 Monier Circle Rancho Cordova CA 95742 May 1990 43 PreBuilt MV-i Typhoon * Designed Ron Chidgey *1 000/o Gator RIG Products Components wing/stab tubes & adjusters canopy & cowl * 1000/a built up construction precision jigs * Bob Violetts Magnalite GB 125 used formers * Satisfaction Guaranteed WOODORAINS INC Rt 9 Box 122 Gumming GA 30130 404-889-4758 Tim Megan Richardson Ga Residents Add 6% Sales Tax HIGH QUALITY ULTRA SWITCH HARNESS Gold contacts inside switch AJI connectors manufactured Futaba Ultra low profile actuator Positive lock Mounting simply requires drill ing 1/4 inch hole * 100% tested custom cable lengths availbie upon request minimal cost ULTRA SWITCH HARNESS $1995 PLUS $250 SHIPPING & HANDLING Custom Tronics new company dedicated solely manufacture electronic prod ucts custom-designed gadgetry RC modeler offering system interested clubs Send stamped pread dressed business size # 11 envelope Cus tom Tronics PO Box 6151 Katy TX 77491 Telephone 1-713/855-6677 envelope will also receive first edition catalog companys brand-new product linefree RC Aerobatics/Van Putte Continued page 41 best pilot cannot win team trials inade quate airplane Am feeling properly chastised really since t still dont think biplane will ever truly competitive Pattern really believe biplanes aerodynamically inferior monoplanes mentioned March column another part reason prejudice will very hard convince some judges biplane can really perform Pattern maneuvers well judge team selection finals first impression Tonys Fyg-Leaf was trying make statement con vince airplane could fly maneu vers described rule book force myself ohjective believe t successful Tony earned scores gave him judge notable excep tion scores generally low relative rest judges However scores suddenly high relative rest judges Tonys biplane flew judge liked bi planes Boy cant wait get some mail biplane controversy RC Giant Scale/de Vries Continued page 43 tail surfaces looked rather small enlarged regain same areas Senior Kadet Bob used 45 power tate la mented Kadet figured new semiscale Spirit might need go installed Fox 60 uncovered form engine spinner wheels resulting model weighs 6 lb Bob estimates itll tip scales nine pounds ready fly aluminum Mono Kote covering Bob Hansons Spirit St Louis striking semiscale Giant No would ever imagine its basically Sig Senior Kadet price three-view bit balsa ply hes pro duced outstanding Scale model Hes commended skill insight Back next month RC Electrics/Kopski Continued page 45 may have missed col umn dealt differences between two cat egories speed controls frame-rate high-rate designs column showed total power system efficiency can dramatically influenced types used particular test results presented clearly show high-rate technology way goby big marginin applications speed control truly used way What mean have plane flown speed control controlling speed throughout flight opposed being used on/off device youre much better off avoid ing frame-rate designs sounds interest go find copy December 89 issue Related columns October 89 Janu ary 90 issues Other recent reader reaction includes varied comments BEC battery eliminator cir cuits topic also discussed recent columns BEC products use motor battery provide operating voltage receiver/servo system Aircraft versions intended automatically shut down motor still enough battery reserve safely run receiver Reader comments BEC mixed Several wrote expressing satisfaction BEC prod uct theyre using others quite oppo site say latter case crashed planes rea son negative reaction reader partic ular cautioned about using some RC car controls planesbecause BEC designs may al low flight-time margin very successful BEC-equipped product popular Futaha Elec tric receiver receiver also includes builtin frame-rate speed control recommendation dont know sure BEC product works well air plane dont use Personally Im staying separate receiver batteries speed controls now Another topic interest concern has 164 Model Aviation PLUS SIePP WJG & HANDLING Satisfaction Guaranteed SH-710 Pkg 24-$2 95 EAv HINEE THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier install other hinge No gouging picking messy epoxies Simply cut single knife slot hinge slide hinges place apply few drops favorite CA glue youre done SUPER FAST SUPER EASY SUPER STRONG 74e e4t /a9e4 /oa MFG CO INC.401-7 So Front St.Montezuma IA 50171 23-5154 0- SUPERTANKS & SUPERMUFFLERS ZINGER WOOD PROPS GIANT SCALE RIO PLANS UJ RA RT NEODESHA KS 66757 316325-2821 DEALERS CALL SEND $100 FOR COMPLETE CATALOG
Edition: Model Aviation - 1990/05
Page Numbers: 42, 43, 164
BACK Good Old Days following WW II author flew Mustangs brown-shoe Army Air Force 40th Fighter Squadron based Johnson Air Base near Irumagawa Ja pan shared ramp 339th Night Fighter Squadron flew mighty twinengined Northrop P-61 Black Widow got know quite bit about bird two GIs 339th formed sum total John son Model Club flew Control Line craft bases baseball diamond source model supplies Honolulubut thats another story inspiration months column came Art Hershberger up Wisconsin Arts fas cinated Northrop P-6 pro cess designing 82-in-span RC version Black Widow two 60 glow engines extended phone call asked some assist ance yours truly Hed already decided hed compromise scale provide extended ailerons P-61 ailerons miniscule birds primary roll control spoilersa fea ture Art isnt going duplicate Hed also planned model booms crew nacelle tail surfaces fixed wing center sec tion monolithic structure wing tip pan els would removable facilitate transporting Black Widow make model simpler build sug gested composite wing structure Art cen ter section-of wing would made using ribs spars sort structure dif ficult task building modelaligning would much easier booms hor izontal stab elevator placed between would lot simpler square wing open structure could glued crew nacelle would tie open-structure wing center section well Since nacelle holds nose gear has fixed firmly place came Outer wing panels sug gested cut foam Easy make alignment problems arent overly stressed ailerons would hinged piece de resistance came Art sug gested using aluminum tube main wing spar tip panels using extended aluminum spar size could telescope main spar could slipped place fixed hidden setscrew top boom Since Art going use retracts itll simple get setscrews through main wheel wells Needless say Im looking forward seeing Arts drawingsbecause suspect plans will reflect easy-to-build school Giant Scale model design 42 Model Aviation Theres much time get ready nows time 10th annual festival Rally Giantsthe IMAAs big event yearis scheduled June 28-30 July 1st Osh kosh WI Giant models will flown Witt man Field home Experimental Aircraft As sociation well local lake Itll first time rally has included flying fa cilities float-equipped models flying boats amphibians Check spring issue High Flight IMAAs quarterly magazine specifics rally Theyre available writing Remember Oshkosh late June WarnerMay member him superb Fairchild 22 Clipped-Wing Monocoupe 110 Special Giant Scale drawings work Auburn University has cut designing time severely has A-scale Monocoupe drafting table Stay ing true favorite aircraft has found enough time build Ikon NWests Monocoupe 90-A A-scale kit Lynn indicated plans great model easy build Best said bird flew like proverbial homesick angel looking forward big Monocoupe plans Radio Control Giant Scale John de Vries Colonel USAF Ret 4610 Moffat Ln Colorado Springs CO 80915 An 81-in-wingspan DeHavilland Mosquito Bob Holman has copies drawings Giant Lynn Lockrows stunning Monocoupe 90A built Ikon NWest kit Model covered Permagloss Coverite cowl painted Black Baron epoxy Power comes ST 3000 uses 18 x 8-4 Zinger prop Wingspan 96 model flies beautifully looks Gene DeCooks quarter-scale Funk B-85-C Plane spans 105 weighs 181/4 lb ready fly Engine OS FS-1 20 prop 16 x 6 Plane replica Funk owned Scott Boyer Custar OH Paint scheme factory originalmaroon yellow Drawings available soon recently heard good friend Lynn Lockrow down Auburn AL will re Speaking Giant Scale designers letter Gene DeCook Canandaigua NY met Gene some years ago STARs Rally Glean NY event drew -scale plans Akron Funk B-85-C have marketed DGA Designs 135 E Main St Phelps NY 14532 Its marvelously obscure aircraft Gene has now drawn A-scale version Thirties-vintage high-wing monoplane 105-in span powered OS FS-61 Gene dicates larger Funk has flight characteristics prototype particularly what might rather small engine power would pure overkill quote Gene di rectly drawings big version Funk will available near future Bob Holman PO Box 741 San Bernardino CA 92402 advises us now has Mick Reeves Sopwith Camel drawings both Y3 scale along spun cowls scale wheels both sizes British WW fighter warbird addicts Bob indicates hell soon have drawings A-scale Supermarine Spit fire should some kind B-I-G model Getting back obscure Giant subjects Chuck Rhodes 3218 Fairacres Rd Huntsville AL 35805 has prepared drawings Fiat CR 170 low-winged acrobatic monoplane Sug gested power SuperTigre 2500/3000 spans just smidgen short Big Bird 74 Hes also working CR 270 acrobatic bipe Drop Chuck line youre inter ested something entirely different take flying field have followed column over years know Ive advocated modify ing Scale designs produce different models same similar aircraft Flight lines perk up theres increased variety Scale ships rather usual lineup Mustangs Cubs adequate documentation average Gi ant Scale modeler can update Spitfire modify Waco retaining moments areas incidence settings original drawings pro duce unique model Ive come across sterling example sort kit-bashing has produced great Giant About two summers ago Bob Hanson RC club Colorado flying Senior Kadet wing rubberbands gave up ghost fuselage made like javelin preordained results wing fluttered ground piece Bob took home hung up workshop Later casting about new model build Bob ran across plans Sig kit important noted similarity between Senior Kadet Lindberghs Spirit St Louis use old wing build Gi ant Scale model thought Bob wrote Smithsonian some three-views began con struction drawings hand Bob noted fuse lage moments Kadet darn close Spirit Using 15-in chord Kadet wing size proposed model scaled fuselage tail surfaces match 60in Kadet fuselage stretched about six inches mostly ahead wing mount simple modification reproduce Ryans fuselage outlines old wing rather short dihedral built Spirit has flat wing split original center maintain chosen 2A-in-to-the-ft scale added two feet span few extra ribs some spar splicing pro duced wingspan 102 1500 sq scaled-down size Spirit St Louis Continued page 164 Leader small Airfoil Technology Spinners New Master Airscrew series spinners four sizes Featuring aluminum backplate true running cones made red black engineering grade nylon strength resist starter burn spinners have excellent balance custom fit Master Airscrew propellers Available black red sizes V 1.. $325 2375 2..425 475 See Hobby Dealer MASTER AIRSCREW propellers accessories WINDSOR PROPELLER CO 3219 Monier Circle Rancho Cordova CA 95742 May 1990 43 PreBuilt MV-i Typhoon * Designed Ron Chidgey *1 000/o Gator RIG Products Components wing/stab tubes & adjusters canopy & cowl * 1000/a built up construction precision jigs * Bob Violetts Magnalite GB 125 used formers * Satisfaction Guaranteed WOODORAINS INC Rt 9 Box 122 Gumming GA 30130 404-889-4758 Tim Megan Richardson Ga Residents Add 6% Sales Tax HIGH QUALITY ULTRA SWITCH HARNESS Gold contacts inside switch AJI connectors manufactured Futaba Ultra low profile actuator Positive lock Mounting simply requires drill ing 1/4 inch hole * 100% tested custom cable lengths availbie upon request minimal cost ULTRA SWITCH HARNESS $1995 PLUS $250 SHIPPING & HANDLING Custom Tronics new company dedicated solely manufacture electronic prod ucts custom-designed gadgetry RC modeler offering system interested clubs Send stamped pread dressed business size # 11 envelope Cus tom Tronics PO Box 6151 Katy TX 77491 Telephone 1-713/855-6677 envelope will also receive first edition catalog companys brand-new product linefree RC Aerobatics/Van Putte Continued page 41 best pilot cannot win team trials inade quate airplane Am feeling properly chastised really since t still dont think biplane will ever truly competitive Pattern really believe biplanes aerodynamically inferior monoplanes mentioned March column another part reason prejudice will very hard convince some judges biplane can really perform Pattern maneuvers well judge team selection finals first impression Tonys Fyg-Leaf was trying make statement con vince airplane could fly maneu vers described rule book force myself ohjective believe t successful Tony earned scores gave him judge notable excep tion scores generally low relative rest judges However scores suddenly high relative rest judges Tonys biplane flew judge liked bi planes Boy cant wait get some mail biplane controversy RC Giant Scale/de Vries Continued page 43 tail surfaces looked rather small enlarged regain same areas Senior Kadet Bob used 45 power tate la mented Kadet figured new semiscale Spirit might need go installed Fox 60 uncovered form engine spinner wheels resulting model weighs 6 lb Bob estimates itll tip scales nine pounds ready fly aluminum Mono Kote covering Bob Hansons Spirit St Louis striking semiscale Giant No would ever imagine its basically Sig Senior Kadet price three-view bit balsa ply hes pro duced outstanding Scale model Hes commended skill insight Back next month RC Electrics/Kopski Continued page 45 may have missed col umn dealt differences between two cat egories speed controls frame-rate high-rate designs column showed total power system efficiency can dramatically influenced types used particular test results presented clearly show high-rate technology way goby big marginin applications speed control truly used way What mean have plane flown speed control controlling speed throughout flight opposed being used on/off device youre much better off avoid ing frame-rate designs sounds interest go find copy December 89 issue Related columns October 89 Janu ary 90 issues Other recent reader reaction includes varied comments BEC battery eliminator cir cuits topic also discussed recent columns BEC products use motor battery provide operating voltage receiver/servo system Aircraft versions intended automatically shut down motor still enough battery reserve safely run receiver Reader comments BEC mixed Several wrote expressing satisfaction BEC prod uct theyre using others quite oppo site say latter case crashed planes rea son negative reaction reader partic ular cautioned about using some RC car controls planesbecause BEC designs may al low flight-time margin very successful BEC-equipped product popular Futaha Elec tric receiver receiver also includes builtin frame-rate speed control recommendation dont know sure BEC product works well air plane dont use Personally Im staying separate receiver batteries speed controls now Another topic interest concern has 164 Model Aviation PLUS SIePP WJG & HANDLING Satisfaction Guaranteed SH-710 Pkg 24-$2 95 EAv HINEE THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier install other hinge No gouging picking messy epoxies Simply cut single knife slot hinge slide hinges place apply few drops favorite CA glue youre done SUPER FAST SUPER EASY SUPER STRONG 74e e4t /a9e4 /oa MFG CO INC.401-7 So Front St.Montezuma IA 50171 23-5154 0- SUPERTANKS & SUPERMUFFLERS ZINGER WOOD PROPS GIANT SCALE RIO PLANS UJ RA RT NEODESHA KS 66757 316325-2821 DEALERS CALL SEND $100 FOR COMPLETE CATALOG