ONE days may learn stay away controversial topics Probably though Its fun wait response column about cer tain topics downwind turn good etam pIe Radio Control Modelers Ken Willard have milked downwind turn arti cle doubt proponents either side have changed sides latest venture controversy pub lished March issue Model Aviation commented didnt think biplanes would ever truly competitive Pattern still dont think Nevertheless everyone agrees first letter subject John De den Missouri City TX started subject enthusiasm wrote Balderdash boy balderdash certainly cannot agree statement think biplane will ever able challenge monoplanes Pattern competition rest Certainly compromisesin both mono- biplanes perhaps bit difficult solve bipes Note say perhaps Ive seen many monoplanes sorts shapes sizes since Fifties Some did aerobatics quite well some average some poorly Ive often found also noted pilots proficiency can make huge difference Ive flown Pattern types monos could made example one- two- three-turn roll looked like model wire Some did rather easily especially rather high roll rates some required pilot use arms legs ears eyeballs sorted other parts model approximate reasonable axial roll Again though good roll 1 eyes beholder 2 due pro ficiency pilot 3 product planes dynamics power same applies maneuver Gee Ron bipes bad come 1 wee hI Pittses always clean up interna tional aerobatic competitions vs monos 2 guys flew TOC Vegas seemed pri marily opt bipes Hanno Chip cant nutseven bonuses Frackowi ak also bipe Currently example Ive slightly modi fied Phaeton II Saito 45 four-cycle Its roll rate can very high better 1800/sec can make appear pretty linear Im great shape loops round silver dol lars etc Nope no square stuff outside Im too old/slow/creakyand sides doesnt look right particular oldfashioned-type model Ron point low-powered bipe could easily compete monoin its power-to-weight-ratio class Bipe wings generally dont affect stab elevator twice net action two wings al constantly affects stab plus elevator should have said essentially constantly probable within some attitude/speed enve lope condition tail feathers might less affected monoplane well estab 40 Model Aviation Radio Control Sport Aerobatics Ron Van Putte ill Sleepy Oaks Rd Ft Walton Beach FL 32548 Tony Frackowiaks FygLeaf biplane beat monopianes 1989 US FAI Team Selection Finals Tony flanked photo feiiow team members Dean Koger L Chip Hyde Other foiks aiternate team member Bill Cunningham far left Team Manager John Britt far right Tony takes author Ron Van Putte task regarding recent statements about monopianes being inherently superior competition machines commpared biplanes Bud Wolfes modified Lou Andrews-designed Aeromaster looks good no threat monopianqs Pattern competition says author Van Putte Anybody else want comment Another goodiooking bipiane--but again threat Pattern competition procialma Ron lishedagain depending dynamics design conditionsthat wing downwash may may affect stabilizer 40 years ex perience real model planesboth bipes monosdoesnt quite match state ment So bonus no bonus Ill bet 25C stamp cup homemade coffee fliers de signers devote thought testing prac tice situation youll see more bipes opposed current once-youve-seenone-pattern-youve-seen-them-all-style monos Pattern events Still reeling letter picked up other Tony Frackowiak Sier ra Vista AZ may remember flier won F3A Team Selection Finals biplane what Tony say want thank kind comments piloting think underestimat ing abilities Ken Bonnemas design two areas say biplanes weak rolling point maneuvers Fyg-Leaf Ultimate extremely strong Ive never flown plane does better axial rolls Fyg-Leaf point rolls knifeedge capability Fyg-Leaf better model Ive flown true rolling input application rudder cur rent radios allow mixed out very easily tve felt mixing other portion pattern Point rolls reverse knife edge ridiculously easy perform compared monoplanes other strong areas spins snap rolls Fyg-Leaf performs true snap roll Avalanche very controllable heading easy maintain Spins slower also very controllable due very low aspect ratio biplane low moments inertia What weaknesses Fyg-Leaf difficult trim aircraft vertical climbing flight pitch axis primarily due lower power avail able Fyg-Leaf am now installing 120 four-stroke model expect verticals improve dramatically 61 installed lower power made high crosswinds difficult manage fast monoplane judges paying attention box both dis tance ends team tri als Fyg-Leaf has advantage over fast monoplanes Basically feel Fyg-Leaf outstand ing success What other project can think took such completely different approach FAL attempt no modifications won US team trials also key member World Championships team could have happier prouder being member team accomplished hat off Ken Bonnema Don Chapman engineering design exe cution Fyg-Leaf concept cannot re ceive enough credit having developed such innovative aircraft No no member US team won dividual World Champion title you know very few people have chance winning contest Also maybe hope opened few eyes fact have keep flying same cookie cut ter Pattern planes Yes plane piloted proud flew Continued page 164 receive AttentionAll Discriminating Flyers Should enjoy Ultimate Experience Precision Built Models dominate last Tournament Champions 1988 Ultimates placed 2nd 3rd 4th 5th out top 5 date 12 contestants have purchased competi tion planes 1990 T 0 C have world class flyer appreciate craftmanship airplanes re assured same quality kit regardless price Try l love Matched wings constructed unformly jigs foam ribs guarantee additional accuracy over balsa ribs tail assembly removes easy transporting parts numbered ease construction IMPORTANT hardware same used built up models sell world class competitors Custom cowl wheel pants epoxy glass built specs furnish finest canopies available Landing gears cabanes bent 6061-T6 aluminum foam wings parts shaped o tube holes cut Rolled plans instructions decals three views Kits Laser 200 1/4 1/3 scale sizes Ultimate 10 Dash 300 Biplane 20~7o 30% scale Extra 300 30% scak y fall r Now kits start $16900 Precision Built Models & Kits813-747-7006 1822 6th Av WBraden ton FL 34205 Perfect quick field repairs Just push button drop hold continuous bead Its also reloadable just drop Super Glue Refill Cat No 796 May 1990 41 Ideal Field Repairs Instant bonding c/a no-spill easy use push button applicator C Cartridge 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: 40, 41, 164
Edition: Model Aviation - 1990/05
Page Numbers: 40, 41, 164
ONE days may learn stay away controversial topics Probably though Its fun wait response column about cer tain topics downwind turn good etam pIe Radio Control Modelers Ken Willard have milked downwind turn arti cle doubt proponents either side have changed sides latest venture controversy pub lished March issue Model Aviation commented didnt think biplanes would ever truly competitive Pattern still dont think Nevertheless everyone agrees first letter subject John De den Missouri City TX started subject enthusiasm wrote Balderdash boy balderdash certainly cannot agree statement think biplane will ever able challenge monoplanes Pattern competition rest Certainly compromisesin both mono- biplanes perhaps bit difficult solve bipes Note say perhaps Ive seen many monoplanes sorts shapes sizes since Fifties Some did aerobatics quite well some average some poorly Ive often found also noted pilots proficiency can make huge difference Ive flown Pattern types monos could made example one- two- three-turn roll looked like model wire Some did rather easily especially rather high roll rates some required pilot use arms legs ears eyeballs sorted other parts model approximate reasonable axial roll Again though good roll 1 eyes beholder 2 due pro ficiency pilot 3 product planes dynamics power same applies maneuver Gee Ron bipes bad come 1 wee hI Pittses always clean up interna tional aerobatic competitions vs monos 2 guys flew TOC Vegas seemed pri marily opt bipes Hanno Chip cant nutseven bonuses Frackowi ak also bipe Currently example Ive slightly modi fied Phaeton II Saito 45 four-cycle Its roll rate can very high better 1800/sec can make appear pretty linear Im great shape loops round silver dol lars etc Nope no square stuff outside Im too old/slow/creakyand sides doesnt look right particular oldfashioned-type model Ron point low-powered bipe could easily compete monoin its power-to-weight-ratio class Bipe wings generally dont affect stab elevator twice net action two wings al constantly affects stab plus elevator should have said essentially constantly probable within some attitude/speed enve lope condition tail feathers might less affected monoplane well estab 40 Model Aviation Radio Control Sport Aerobatics Ron Van Putte ill Sleepy Oaks Rd Ft Walton Beach FL 32548 Tony Frackowiaks FygLeaf biplane beat monopianes 1989 US FAI Team Selection Finals Tony flanked photo feiiow team members Dean Koger L Chip Hyde Other foiks aiternate team member Bill Cunningham far left Team Manager John Britt far right Tony takes author Ron Van Putte task regarding recent statements about monopianes being inherently superior competition machines commpared biplanes Bud Wolfes modified Lou Andrews-designed Aeromaster looks good no threat monopianqs Pattern competition says author Van Putte Anybody else want comment Another goodiooking bipiane--but again threat Pattern competition procialma Ron lishedagain depending dynamics design conditionsthat wing downwash may may affect stabilizer 40 years ex perience real model planesboth bipes monosdoesnt quite match state ment So bonus no bonus Ill bet 25C stamp cup homemade coffee fliers de signers devote thought testing prac tice situation youll see more bipes opposed current once-youve-seenone-pattern-youve-seen-them-all-style monos Pattern events Still reeling letter picked up other Tony Frackowiak Sier ra Vista AZ may remember flier won F3A Team Selection Finals biplane what Tony say want thank kind comments piloting think underestimat ing abilities Ken Bonnemas design two areas say biplanes weak rolling point maneuvers Fyg-Leaf Ultimate extremely strong Ive never flown plane does better axial rolls Fyg-Leaf point rolls knifeedge capability Fyg-Leaf better model Ive flown true rolling input application rudder cur rent radios allow mixed out very easily tve felt mixing other portion pattern Point rolls reverse knife edge ridiculously easy perform compared monoplanes other strong areas spins snap rolls Fyg-Leaf performs true snap roll Avalanche very controllable heading easy maintain Spins slower also very controllable due very low aspect ratio biplane low moments inertia What weaknesses Fyg-Leaf difficult trim aircraft vertical climbing flight pitch axis primarily due lower power avail able Fyg-Leaf am now installing 120 four-stroke model expect verticals improve dramatically 61 installed lower power made high crosswinds difficult manage fast monoplane judges paying attention box both dis tance ends team tri als Fyg-Leaf has advantage over fast monoplanes Basically feel Fyg-Leaf outstand ing success What other project can think took such completely different approach FAL attempt no modifications won US team trials also key member World Championships team could have happier prouder being member team accomplished hat off Ken Bonnema Don Chapman engineering design exe cution Fyg-Leaf concept cannot re ceive enough credit having developed such innovative aircraft No no member US team won dividual World Champion title you know very few people have chance winning contest Also maybe hope opened few eyes fact have keep flying same cookie cut ter Pattern planes Yes plane piloted proud flew Continued page 164 receive AttentionAll Discriminating Flyers Should enjoy Ultimate Experience Precision Built Models dominate last Tournament Champions 1988 Ultimates placed 2nd 3rd 4th 5th out top 5 date 12 contestants have purchased competi tion planes 1990 T 0 C have world class flyer appreciate craftmanship airplanes re assured same quality kit regardless price Try l love Matched wings constructed unformly jigs foam ribs guarantee additional accuracy over balsa ribs tail assembly removes easy transporting parts numbered ease construction IMPORTANT hardware same used built up models sell world class competitors Custom cowl wheel pants epoxy glass built specs furnish finest canopies available Landing gears cabanes bent 6061-T6 aluminum foam wings parts shaped o tube holes cut Rolled plans instructions decals three views Kits Laser 200 1/4 1/3 scale sizes Ultimate 10 Dash 300 Biplane 20~7o 30% scale Extra 300 30% scak y fall r Now kits start $16900 Precision Built Models & Kits813-747-7006 1822 6th Av WBraden ton FL 34205 Perfect quick field repairs Just push button drop hold continuous bead Its also reloadable just drop Super Glue Refill Cat No 796 May 1990 41 Ideal Field Repairs Instant bonding c/a no-spill easy use push button applicator C Cartridge 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: 40, 41, 164
ONE days may learn stay away controversial topics Probably though Its fun wait response column about cer tain topics downwind turn good etam pIe Radio Control Modelers Ken Willard have milked downwind turn arti cle doubt proponents either side have changed sides latest venture controversy pub lished March issue Model Aviation commented didnt think biplanes would ever truly competitive Pattern still dont think Nevertheless everyone agrees first letter subject John De den Missouri City TX started subject enthusiasm wrote Balderdash boy balderdash certainly cannot agree statement think biplane will ever able challenge monoplanes Pattern competition rest Certainly compromisesin both mono- biplanes perhaps bit difficult solve bipes Note say perhaps Ive seen many monoplanes sorts shapes sizes since Fifties Some did aerobatics quite well some average some poorly Ive often found also noted pilots proficiency can make huge difference Ive flown Pattern types monos could made example one- two- three-turn roll looked like model wire Some did rather easily especially rather high roll rates some required pilot use arms legs ears eyeballs sorted other parts model approximate reasonable axial roll Again though good roll 1 eyes beholder 2 due pro ficiency pilot 3 product planes dynamics power same applies maneuver Gee Ron bipes bad come 1 wee hI Pittses always clean up interna tional aerobatic competitions vs monos 2 guys flew TOC Vegas seemed pri marily opt bipes Hanno Chip cant nutseven bonuses Frackowi ak also bipe Currently example Ive slightly modi fied Phaeton II Saito 45 four-cycle Its roll rate can very high better 1800/sec can make appear pretty linear Im great shape loops round silver dol lars etc Nope no square stuff outside Im too old/slow/creakyand sides doesnt look right particular oldfashioned-type model Ron point low-powered bipe could easily compete monoin its power-to-weight-ratio class Bipe wings generally dont affect stab elevator twice net action two wings al constantly affects stab plus elevator should have said essentially constantly probable within some attitude/speed enve lope condition tail feathers might less affected monoplane well estab 40 Model Aviation Radio Control Sport Aerobatics Ron Van Putte ill Sleepy Oaks Rd Ft Walton Beach FL 32548 Tony Frackowiaks FygLeaf biplane beat monopianes 1989 US FAI Team Selection Finals Tony flanked photo feiiow team members Dean Koger L Chip Hyde Other foiks aiternate team member Bill Cunningham far left Team Manager John Britt far right Tony takes author Ron Van Putte task regarding recent statements about monopianes being inherently superior competition machines commpared biplanes Bud Wolfes modified Lou Andrews-designed Aeromaster looks good no threat monopianqs Pattern competition says author Van Putte Anybody else want comment Another goodiooking bipiane--but again threat Pattern competition procialma Ron lishedagain depending dynamics design conditionsthat wing downwash may may affect stabilizer 40 years ex perience real model planesboth bipes monosdoesnt quite match state ment So bonus no bonus Ill bet 25C stamp cup homemade coffee fliers de signers devote thought testing prac tice situation youll see more bipes opposed current once-youve-seenone-pattern-youve-seen-them-all-style monos Pattern events Still reeling letter picked up other Tony Frackowiak Sier ra Vista AZ may remember flier won F3A Team Selection Finals biplane what Tony say want thank kind comments piloting think underestimat ing abilities Ken Bonnemas design two areas say biplanes weak rolling point maneuvers Fyg-Leaf Ultimate extremely strong Ive never flown plane does better axial rolls Fyg-Leaf point rolls knifeedge capability Fyg-Leaf better model Ive flown true rolling input application rudder cur rent radios allow mixed out very easily tve felt mixing other portion pattern Point rolls reverse knife edge ridiculously easy perform compared monoplanes other strong areas spins snap rolls Fyg-Leaf performs true snap roll Avalanche very controllable heading easy maintain Spins slower also very controllable due very low aspect ratio biplane low moments inertia What weaknesses Fyg-Leaf difficult trim aircraft vertical climbing flight pitch axis primarily due lower power avail able Fyg-Leaf am now installing 120 four-stroke model expect verticals improve dramatically 61 installed lower power made high crosswinds difficult manage fast monoplane judges paying attention box both dis tance ends team tri als Fyg-Leaf has advantage over fast monoplanes Basically feel Fyg-Leaf outstand ing success What other project can think took such completely different approach FAL attempt no modifications won US team trials also key member World Championships team could have happier prouder being member team accomplished hat off Ken Bonnema Don Chapman engineering design exe cution Fyg-Leaf concept cannot re ceive enough credit having developed such innovative aircraft No no member US team won dividual World Champion title you know very few people have chance winning contest Also maybe hope opened few eyes fact have keep flying same cookie cut ter Pattern planes Yes plane piloted proud flew Continued page 164 receive AttentionAll Discriminating Flyers Should enjoy Ultimate Experience Precision Built Models dominate last Tournament Champions 1988 Ultimates placed 2nd 3rd 4th 5th out top 5 date 12 contestants have purchased competi tion planes 1990 T 0 C have world class flyer appreciate craftmanship airplanes re assured same quality kit regardless price Try l love Matched wings constructed unformly jigs foam ribs guarantee additional accuracy over balsa ribs tail assembly removes easy transporting parts numbered ease construction IMPORTANT hardware same used built up models sell world class competitors Custom cowl wheel pants epoxy glass built specs furnish finest canopies available Landing gears cabanes bent 6061-T6 aluminum foam wings parts shaped o tube holes cut Rolled plans instructions decals three views Kits Laser 200 1/4 1/3 scale sizes Ultimate 10 Dash 300 Biplane 20~7o 30% scale Extra 300 30% scak y fall r Now kits start $16900 Precision Built Models & Kits813-747-7006 1822 6th Av WBraden ton FL 34205 Perfect quick field repairs Just push button drop hold continuous bead Its also reloadable just drop Super Glue Refill Cat No 796 May 1990 41 Ideal Field Repairs Instant bonding c/a no-spill easy use push button applicator C Cartridge 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
