THE PAST few years have seen more CL Aerobatics fliers harking back smaller 35-size aircraft trend may have fueled popularity Old-Timer Nostalgia models Whatever reasons know its Ive really enjoyed fun smaller designs apparent problem though has lack suitable engines After 05 35S perhaps best 35 hasnt produced years Sure venerable Fox 35 still us really looking power Fortunately result error Nats issue November now have Magnum 40 GP evaluate Derek Barry won Junior class Nats using Tom Dixons Magnums hope youre familiar now services Tom Dixon provides including Bolly props kits plans custom engines Stunt Write Tom extensive catalog Suite 401 1938 Peachtree Road Atlanta GA 30309 Tom has developing Magnum 40 GP about four years docile alternative OS 40 FP direct copy What tames newer engine Toms changes liner timing addition retiming liner Tom adds small Kustom Kraftsmanship needle assembly fine 2-56 thread sembly sealed case five-minute ep oxy prevent air leaks good idea use engines silicone would work well too 280-in-bore venturi completes basic package As Schnuerle-ported engine need keep fire going Tom recommends Fox 1-volt RC short plug shields ele ment incoming fuel mixture stable run Just make sure have hot plug engines seem run well 11 x 6 twobladed props equivalent Bollys course always good choice either 10 x 614 three-bladed version 9 x 6 four bladed version works great 46-oz 595sq-in Thunderbird Tom likes use four bladed Holly 65-ft lines youre serious about plain-bearing engines youd better pay attention fuel All-castor lube absolute must want hold main bearing length time cylinder-and-piston combination isnt critical engine ABNaluminum piston brass sleeve nickel-plated Stay blend thats least 24% castor lubing cylinder pis ton youll extremely pleased Taffinders PAC fuel mix 5% 10% nitro mixture makes superior choice Judging several Ive seen Magnum 40s run well really perk up 35-size ships moderate weight good news weighs just 244 grams talking about new engines Tom has also working replacement ST-46 Boy thats tough Ive seen some greatrunning ST-46s recently understand Mike Rogers planning go next year Anyway need engine Sig Magnum Royal 40 ticket Tom flew model 70-ft lines 10%-nitro fuel 11 x 6 two-bladed prop Generally same kind modifications described Magnum 40 work well engine As might ex pect Tom reports Royal 40 45 beginning prevail Southeast Best both engines readily available Good news George Aldrich back engine business years George has enjoyed repu tation producing superior-fitting engines Ive Continued page 173 Left This ones real showstopper its spectacular flame-red doped finish Warren Tiaharts Stunt Rocket oid-time Stunter rivals best front row bunch Nate Right Ted Fancher used fly great-looking Stunter ST-46 Retrofitting OS 40 brought him big gain performance 54 Model Aviation Conot Line Aerobatics Frank McMiIIan 12106 Gunter Grove San Antonio TX 78231 Zim taking break normal judging role old-time Barnstormer Nats Bill Zimmer enjoys low-keyHeres clever adjustable Control Line han quality Old-Timer competitiondle developed James Lee Topeka KS Note adjustable line spacing simple up/down adjusting screw Senior flier Todd Lee Topeka KS flew long-nosed Nobler Twin two Fox 19s Nate CA RCDIS&Ii Service Ctr FL Radie South Steve EwohlioTony Stiliroan P0 408 988-1214Ph 904 478-6745 Authorized WC Service Don McCartOy P0 619 728-0440 GSR Products George Steiner Ph 816 362-1962 FL Southeru R/C Daoid Steoeos Ph 813 775-1554 Wollitz R/C Caloio Woitz Ph 904 771-0613 IL Pete Colvogna Ph 615 233-5646 MI 0 & J Electronics Daoe Coihogs Ph 517546-2644 Charlies Hohhieskrett Midwest Charlie PouhonPete Waters Ph 013 802-4007Ph 313 348-0095 Jims R/C ServiceNJOcean Cuouty WC Jim StewartJim Maraldo P0 305 021 -1192P0 201 505-9477 pj RJL Control Systems Rock Leone Ph 201 627-7070 NY Lens R/C Service [on Sauter Ph 315 695-2448 OH Acre Models Terry Banon Ph 216 948-1675 TN Rivergate Hohhy Ctr Ed Branoan Ph 615 859-3455 TX DoMoud WC Service WA Auythiug IVC Joe DaMondRichard Carson Ph 214 242-5500Ph 509 327-4579 Steve WhisenhuutWIGalaxy Scieuce & Hohhy Steoe WhiseohootWade Van Ryzin Ph 817 246-6349Ph 414 730-9220 RCD Redlo Control Development Inc 9419 Abraham Wan ee CA 92071 PH 16191 449-1112 FAX 10191 449-1002 Als Hohbies Al Rohies Ph 713 944-0607 Custom-Tronics Richard Slate Ph 713 460-1290 Paul Smith reached top speed 107 mph ST G-2 1 compared slightly over 70 mph Redhead engines McCoy manufac ture Johnson Combat Special no match Pauls model Since first meet meane fun no really minded what en gines being used its issue thatll need lied down contests run future easygoing competition Flying Saucers threatening sweep contest un til about third round got hit other killed Most matches ended kills Current rules usedno worrying about multicolored streamers collision zones rest early days Someone brought copies late-1950s rules Theyre much complicated harder judge use today reason old engines ran well everyone using either bladders pacifiers old hard tanks seemed promote bad set tings lean runs seizures 9 x 8 props used use just didnt workor maybe ears tuned pitch Taipan 8 x 6 produces multitude suggestions made about engine problem thought 80-mph limit might helpful could go 80 mph old engines fear blowing up something dont want risk since spare parts arent readily available Maybe could try 80-mph limit bonus 10 points honest-to-goodness legal 1961and-earlier engine Next year Doc plans either hold meet Jasonville tie much larger OldTime meet would include other events Kits plans available engine problem will have nailed down Some better designs such Equalizer could used backup models regular Fast Combat meets go weird can build Saucer amaze friends local Con trol Line field Watch announcement 1991 meet CL Aerobatics/McMiIIan Continued page 54 watched him hone cylinder Sun nen shaping fitting rings pistons can tell theres no better George also has access superior chroming may want consider chromed liner 60 46 Another service might want think about parts restoration older engines George has developed technique grow pis tons restore liner fits can contact George 12822 Tarrytown San Antonio TX 78233 telephone 1-512/656-2021 Tech tip Texas winters get cold enough qualify official building season thinking about plans new ship got con versation compadre thats Texan good bud4y John Hill some problems encount ering ink lines new model dis cussed some points havent seen print some time Ill pass along sake newcomers hobby topic talcum powderthat lovely stuff makes babys bottoms feel like Stunt ships wing Yes strangely enough couple modeling uses unscented variety really come handy Im sure youve heard about possibly other Stealthbat ARF born NEWCONGEPTINAEROOYNAMIG DESIGN FOR LEARNING TO FLYR/CAIRCEA91 THE FUN WAYTO FLY VISA & MASTERCARD Toss nod control ACCEPTED PHONE Too op litre kite nod reteone 309/3423009Loop ond dire Hi-Start launch Stopenonrit Strap power pod go OIoo odrrira diect ord requirrdoerort niong nOt $1250 foriippirp Wirg Atg 300 Eo1 Sirrrror CoIeOorg IL 01401 illinois ttesderO odd 7% too February 1991 173 AVAILABLE THROUGH YOUR DEALER OR DIRECT FROM WING MPGSend $450 catalog Mode America American Technology yMOO END ES RJL Manufactures USA RJL RIC & U/C ENGiNES 15 thru 61 Forster Glow & Ignition Engines FACTORY PARTS & SERVICE FOR HB Engines Cox Conquest 15 Kraft 61 Taipan 40 HGK Engines Testor/McCoy Series 21 Forster Remco Viking twin Collar wrre free irrfsrmorion RJL Industries PO Box 5 Sierra Madre CA 91025 Cmtittucd Ott page /75818 359-0016 Electric F ight / Has Broke2 month Lightweight 12 oo Adjostoble switching pointmoney bock Snideness tenojool easy hookop ON/OFF Controller $2995 Power sore weight 120 Sine 22s13n63 v high efficiency 006V loss Add $100 shippiog Colitonria rroideOs odd 725% $217 Tar Send Check money order Comenoi1tHigh Sky Ptnnhn eoooertoe3929 Kansas St #9 othoesoorSan DlegoCA 92104 Using talcum powder filling material dope has around long time remem ber hearing vague references talc dope fill ers far back early Fifties Later some East Coast fliers gave us detailed propor tions modelers myself included still using same technique today base sealer begins equal quantities 4 oz clear thinnerin dark color like blueand talc Dissolve talc thinner add remaining ingredients consis tency will probably serve well brushing requires thinning spraying like spraying since produces nice base brushing works well too Caution material quite heavy youll need sand off Thats dark color helpful sand away filler color highlights low spots Block sand until youve removed colored filler except dings grainy areas sand down sur face recoat sealer resand Re peat necessary until base perfect Thoroughly clean entire plane Prep sol equivalent continue fin ishing procedure Youll probably want give plane coat clear dope point seal filler Now less commonly known use tal cum powder Its helpful youre drawing ink lines Quite often though surface clean aiid free fingerprints youll have areas simply wont accept ink Sometimes re tracing lines will trickbut run risk indenting surface doing better way dust surface talc wipe off significant residue ink lines works like magic youve finished inking wipe plane Prep-sol remove talc Actually can spray right over talc will disappear I] CL Scale/Boss Continued page 55 ply described modification necessary because signal generated encoder passed over control lines series wave forms synchronization pulses certain shape polarity Upon receiving pulses modified de IGLOWUG DESIGNED Puts ma e St ng n engine FOR LONGER HIGHER RPMS Get starts GloBee Unique flat-wound spiral coil element anc high temperature glass-to-metal seal add up faster ignition increased RPM GloBee plugs specified original engine manufacturers purchased over over again Pylon control line racers find GloBee plugs best GloBee plugs designed fit popular engines used today unavailable locally write call Twinn-K collect pricing & delivery information & FREE Catalog MAKE THE GLOBEE / INDY CONNECTION Twinn-K Inc 10296 W Washington St Indianapolis IN 46231 Telephone 317-839-6579 FAX 317-839-8928 coder passes through series inverters contained IC-i finally onto IC-2 further processes synchronizes pulse train provide positive output pulse required op erate servo did remove transistor encoder output would pass through extra stage would reverse pulse polarity time too servos would operate Channel wiring prewired decoder used seven channels wired close examina tion wiring will show output leads channels 1 3 4 odd-colored wire grouped together have common set red k - battery leads grouping intended terminate Deans connector block channels 2 4 through 7 would terminated individual female three-pin Deans connectors wiring setup intended use receiver can use same wiring arrange ment wish build system four working channels some reason channels individually wired red black battery supply leads would have wired channels 3 4 Spare holes pur pose can found dotted line areas marked B area marked C contains spare holes isolated rest circuitry thus no use us project modified decoder used project shown photos Note leads channels 5 through 7 have removed Battery supply leads intended channels used individually wire channels 1 through 4 channels 1 2 used proj ect channels 3 4 wired use future project will have four operating features Pictured Aces R/C Commander Bantam servos other servos used sure con nectors compatible Otherwise will have change connectors either servo de coder channel leads soldering servo connectors remember red lead pos itive side battery black lead neg ative side odd-colored lead servo signal lead System operation control adjustment Before continuing lets briefly examine encoder control circuitry system operation op erational theory too complex general explanation youll need some basic knowledge order properly adjust input controls As noted last months column input con trols two basic types 1 switch operation 2 AUX/LEVER variable resistor inFebruary 1991 175 PINSPATCHES i2U~Q rngLim C0 CUSTOM ENAMEL PINS & EMBROIDERED PATCHES MADE TO YOUR DESIGN 303 667-4940 P0 Box 1615Loveland CO80539 RAINBOW RUNNER r 45 Gm PRECISION PROILJCTS IN. 714 592-5144 510 E Arrow Highway San Dimas CA 91773 WHEN YOU FORGET\OUR UNITS REMEMBER RC System NICd Batteries AU chargers need padageI Fits48V Ax andpacksPlus $5 SEtH GO~For Cycler-Chargec$23995 eeceeGelled Cell TrIckIer#IC~ *Regular Model- $4896 ForPlus $3 SEtH~iaC4For field kit smallPlus $3 SEtH MufteO%electric boat batteriesSpecify 612 24V Heavy Duty Model$5895 sport winch large boat andPlus $4 SEtH electric power charging batteriesSpecify 6 2v CaRa Products5A5EiVn PO Box 221 605-987-5924Dealer inquiries inviledcanton SD 57013
Edition: Model Aviation - 1991/02
Page Numbers: 54, 173, 175
THE PAST few years have seen more CL Aerobatics fliers harking back smaller 35-size aircraft trend may have fueled popularity Old-Timer Nostalgia models Whatever reasons know its Ive really enjoyed fun smaller designs apparent problem though has lack suitable engines After 05 35S perhaps best 35 hasnt produced years Sure venerable Fox 35 still us really looking power Fortunately result error Nats issue November now have Magnum 40 GP evaluate Derek Barry won Junior class Nats using Tom Dixons Magnums hope youre familiar now services Tom Dixon provides including Bolly props kits plans custom engines Stunt Write Tom extensive catalog Suite 401 1938 Peachtree Road Atlanta GA 30309 Tom has developing Magnum 40 GP about four years docile alternative OS 40 FP direct copy What tames newer engine Toms changes liner timing addition retiming liner Tom adds small Kustom Kraftsmanship needle assembly fine 2-56 thread sembly sealed case five-minute ep oxy prevent air leaks good idea use engines silicone would work well too 280-in-bore venturi completes basic package As Schnuerle-ported engine need keep fire going Tom recommends Fox 1-volt RC short plug shields ele ment incoming fuel mixture stable run Just make sure have hot plug engines seem run well 11 x 6 twobladed props equivalent Bollys course always good choice either 10 x 614 three-bladed version 9 x 6 four bladed version works great 46-oz 595sq-in Thunderbird Tom likes use four bladed Holly 65-ft lines youre serious about plain-bearing engines youd better pay attention fuel All-castor lube absolute must want hold main bearing length time cylinder-and-piston combination isnt critical engine ABNaluminum piston brass sleeve nickel-plated Stay blend thats least 24% castor lubing cylinder pis ton youll extremely pleased Taffinders PAC fuel mix 5% 10% nitro mixture makes superior choice Judging several Ive seen Magnum 40s run well really perk up 35-size ships moderate weight good news weighs just 244 grams talking about new engines Tom has also working replacement ST-46 Boy thats tough Ive seen some greatrunning ST-46s recently understand Mike Rogers planning go next year Anyway need engine Sig Magnum Royal 40 ticket Tom flew model 70-ft lines 10%-nitro fuel 11 x 6 two-bladed prop Generally same kind modifications described Magnum 40 work well engine As might ex pect Tom reports Royal 40 45 beginning prevail Southeast Best both engines readily available Good news George Aldrich back engine business years George has enjoyed repu tation producing superior-fitting engines Ive Continued page 173 Left This ones real showstopper its spectacular flame-red doped finish Warren Tiaharts Stunt Rocket oid-time Stunter rivals best front row bunch Nate Right Ted Fancher used fly great-looking Stunter ST-46 Retrofitting OS 40 brought him big gain performance 54 Model Aviation Conot Line Aerobatics Frank McMiIIan 12106 Gunter Grove San Antonio TX 78231 Zim taking break normal judging role old-time Barnstormer Nats Bill Zimmer enjoys low-keyHeres clever adjustable Control Line han quality Old-Timer competitiondle developed James Lee Topeka KS Note adjustable line spacing simple up/down adjusting screw Senior flier Todd Lee Topeka KS flew long-nosed Nobler Twin two Fox 19s Nate CA RCDIS&Ii Service Ctr FL Radie South Steve EwohlioTony Stiliroan P0 408 988-1214Ph 904 478-6745 Authorized WC Service Don McCartOy P0 619 728-0440 GSR Products George Steiner Ph 816 362-1962 FL Southeru R/C Daoid Steoeos Ph 813 775-1554 Wollitz R/C Caloio Woitz Ph 904 771-0613 IL Pete Colvogna Ph 615 233-5646 MI 0 & J Electronics Daoe Coihogs Ph 517546-2644 Charlies Hohhieskrett Midwest Charlie PouhonPete Waters Ph 013 802-4007Ph 313 348-0095 Jims R/C ServiceNJOcean Cuouty WC Jim StewartJim Maraldo P0 305 021 -1192P0 201 505-9477 pj RJL Control Systems Rock Leone Ph 201 627-7070 NY Lens R/C Service [on Sauter Ph 315 695-2448 OH Acre Models Terry Banon Ph 216 948-1675 TN Rivergate Hohhy Ctr Ed Branoan Ph 615 859-3455 TX DoMoud WC Service WA Auythiug IVC Joe DaMondRichard Carson Ph 214 242-5500Ph 509 327-4579 Steve WhisenhuutWIGalaxy Scieuce & Hohhy Steoe WhiseohootWade Van Ryzin Ph 817 246-6349Ph 414 730-9220 RCD Redlo Control Development Inc 9419 Abraham Wan ee CA 92071 PH 16191 449-1112 FAX 10191 449-1002 Als Hohbies Al Rohies Ph 713 944-0607 Custom-Tronics Richard Slate Ph 713 460-1290 Paul Smith reached top speed 107 mph ST G-2 1 compared slightly over 70 mph Redhead engines McCoy manufac ture Johnson Combat Special no match Pauls model Since first meet meane fun no really minded what en gines being used its issue thatll need lied down contests run future easygoing competition Flying Saucers threatening sweep contest un til about third round got hit other killed Most matches ended kills Current rules usedno worrying about multicolored streamers collision zones rest early days Someone brought copies late-1950s rules Theyre much complicated harder judge use today reason old engines ran well everyone using either bladders pacifiers old hard tanks seemed promote bad set tings lean runs seizures 9 x 8 props used use just didnt workor maybe ears tuned pitch Taipan 8 x 6 produces multitude suggestions made about engine problem thought 80-mph limit might helpful could go 80 mph old engines fear blowing up something dont want risk since spare parts arent readily available Maybe could try 80-mph limit bonus 10 points honest-to-goodness legal 1961and-earlier engine Next year Doc plans either hold meet Jasonville tie much larger OldTime meet would include other events Kits plans available engine problem will have nailed down Some better designs such Equalizer could used backup models regular Fast Combat meets go weird can build Saucer amaze friends local Con trol Line field Watch announcement 1991 meet CL Aerobatics/McMiIIan Continued page 54 watched him hone cylinder Sun nen shaping fitting rings pistons can tell theres no better George also has access superior chroming may want consider chromed liner 60 46 Another service might want think about parts restoration older engines George has developed technique grow pis tons restore liner fits can contact George 12822 Tarrytown San Antonio TX 78233 telephone 1-512/656-2021 Tech tip Texas winters get cold enough qualify official building season thinking about plans new ship got con versation compadre thats Texan good bud4y John Hill some problems encount ering ink lines new model dis cussed some points havent seen print some time Ill pass along sake newcomers hobby topic talcum powderthat lovely stuff makes babys bottoms feel like Stunt ships wing Yes strangely enough couple modeling uses unscented variety really come handy Im sure youve heard about possibly other Stealthbat ARF born NEWCONGEPTINAEROOYNAMIG DESIGN FOR LEARNING TO FLYR/CAIRCEA91 THE FUN WAYTO FLY VISA & MASTERCARD Toss nod control ACCEPTED PHONE Too op litre kite nod reteone 309/3423009Loop ond dire Hi-Start launch Stopenonrit Strap power pod go OIoo odrrira diect ord requirrdoerort niong nOt $1250 foriippirp Wirg Atg 300 Eo1 Sirrrror CoIeOorg IL 01401 illinois ttesderO odd 7% too February 1991 173 AVAILABLE THROUGH YOUR DEALER OR DIRECT FROM WING MPGSend $450 catalog Mode America American Technology yMOO END ES RJL Manufactures USA RJL RIC & U/C ENGiNES 15 thru 61 Forster Glow & Ignition Engines FACTORY PARTS & SERVICE FOR HB Engines Cox Conquest 15 Kraft 61 Taipan 40 HGK Engines Testor/McCoy Series 21 Forster Remco Viking twin Collar wrre free irrfsrmorion RJL Industries PO Box 5 Sierra Madre CA 91025 Cmtittucd Ott page /75818 359-0016 Electric F ight / Has Broke2 month Lightweight 12 oo Adjostoble switching pointmoney bock Snideness tenojool easy hookop ON/OFF Controller $2995 Power sore weight 120 Sine 22s13n63 v high efficiency 006V loss Add $100 shippiog Colitonria rroideOs odd 725% $217 Tar Send Check money order Comenoi1tHigh Sky Ptnnhn eoooertoe3929 Kansas St #9 othoesoorSan DlegoCA 92104 Using talcum powder filling material dope has around long time remem ber hearing vague references talc dope fill ers far back early Fifties Later some East Coast fliers gave us detailed propor tions modelers myself included still using same technique today base sealer begins equal quantities 4 oz clear thinnerin dark color like blueand talc Dissolve talc thinner add remaining ingredients consis tency will probably serve well brushing requires thinning spraying like spraying since produces nice base brushing works well too Caution material quite heavy youll need sand off Thats dark color helpful sand away filler color highlights low spots Block sand until youve removed colored filler except dings grainy areas sand down sur face recoat sealer resand Re peat necessary until base perfect Thoroughly clean entire plane Prep sol equivalent continue fin ishing procedure Youll probably want give plane coat clear dope point seal filler Now less commonly known use tal cum powder Its helpful youre drawing ink lines Quite often though surface clean aiid free fingerprints youll have areas simply wont accept ink Sometimes re tracing lines will trickbut run risk indenting surface doing better way dust surface talc wipe off significant residue ink lines works like magic youve finished inking wipe plane Prep-sol remove talc Actually can spray right over talc will disappear I] CL Scale/Boss Continued page 55 ply described modification necessary because signal generated encoder passed over control lines series wave forms synchronization pulses certain shape polarity Upon receiving pulses modified de IGLOWUG DESIGNED Puts ma e St ng n engine FOR LONGER HIGHER RPMS Get starts GloBee Unique flat-wound spiral coil element anc high temperature glass-to-metal seal add up faster ignition increased RPM GloBee plugs specified original engine manufacturers purchased over over again Pylon control line racers find GloBee plugs best GloBee plugs designed fit popular engines used today unavailable locally write call Twinn-K collect pricing & delivery information & FREE Catalog MAKE THE GLOBEE / INDY CONNECTION Twinn-K Inc 10296 W Washington St Indianapolis IN 46231 Telephone 317-839-6579 FAX 317-839-8928 coder passes through series inverters contained IC-i finally onto IC-2 further processes synchronizes pulse train provide positive output pulse required op erate servo did remove transistor encoder output would pass through extra stage would reverse pulse polarity time too servos would operate Channel wiring prewired decoder used seven channels wired close examina tion wiring will show output leads channels 1 3 4 odd-colored wire grouped together have common set red k - battery leads grouping intended terminate Deans connector block channels 2 4 through 7 would terminated individual female three-pin Deans connectors wiring setup intended use receiver can use same wiring arrange ment wish build system four working channels some reason channels individually wired red black battery supply leads would have wired channels 3 4 Spare holes pur pose can found dotted line areas marked B area marked C contains spare holes isolated rest circuitry thus no use us project modified decoder used project shown photos Note leads channels 5 through 7 have removed Battery supply leads intended channels used individually wire channels 1 through 4 channels 1 2 used proj ect channels 3 4 wired use future project will have four operating features Pictured Aces R/C Commander Bantam servos other servos used sure con nectors compatible Otherwise will have change connectors either servo de coder channel leads soldering servo connectors remember red lead pos itive side battery black lead neg ative side odd-colored lead servo signal lead System operation control adjustment Before continuing lets briefly examine encoder control circuitry system operation op erational theory too complex general explanation youll need some basic knowledge order properly adjust input controls As noted last months column input con trols two basic types 1 switch operation 2 AUX/LEVER variable resistor inFebruary 1991 175 PINSPATCHES i2U~Q rngLim C0 CUSTOM ENAMEL PINS & EMBROIDERED PATCHES MADE TO YOUR DESIGN 303 667-4940 P0 Box 1615Loveland CO80539 RAINBOW RUNNER r 45 Gm PRECISION PROILJCTS IN. 714 592-5144 510 E Arrow Highway San Dimas CA 91773 WHEN YOU FORGET\OUR UNITS REMEMBER RC System NICd Batteries AU chargers need padageI Fits48V Ax andpacksPlus $5 SEtH GO~For Cycler-Chargec$23995 eeceeGelled Cell TrIckIer#IC~ *Regular Model- $4896 ForPlus $3 SEtH~iaC4For field kit smallPlus $3 SEtH MufteO%electric boat batteriesSpecify 612 24V Heavy Duty Model$5895 sport winch large boat andPlus $4 SEtH electric power charging batteriesSpecify 6 2v CaRa Products5A5EiVn PO Box 221 605-987-5924Dealer inquiries inviledcanton SD 57013
Edition: Model Aviation - 1991/02
Page Numbers: 54, 173, 175
THE PAST few years have seen more CL Aerobatics fliers harking back smaller 35-size aircraft trend may have fueled popularity Old-Timer Nostalgia models Whatever reasons know its Ive really enjoyed fun smaller designs apparent problem though has lack suitable engines After 05 35S perhaps best 35 hasnt produced years Sure venerable Fox 35 still us really looking power Fortunately result error Nats issue November now have Magnum 40 GP evaluate Derek Barry won Junior class Nats using Tom Dixons Magnums hope youre familiar now services Tom Dixon provides including Bolly props kits plans custom engines Stunt Write Tom extensive catalog Suite 401 1938 Peachtree Road Atlanta GA 30309 Tom has developing Magnum 40 GP about four years docile alternative OS 40 FP direct copy What tames newer engine Toms changes liner timing addition retiming liner Tom adds small Kustom Kraftsmanship needle assembly fine 2-56 thread sembly sealed case five-minute ep oxy prevent air leaks good idea use engines silicone would work well too 280-in-bore venturi completes basic package As Schnuerle-ported engine need keep fire going Tom recommends Fox 1-volt RC short plug shields ele ment incoming fuel mixture stable run Just make sure have hot plug engines seem run well 11 x 6 twobladed props equivalent Bollys course always good choice either 10 x 614 three-bladed version 9 x 6 four bladed version works great 46-oz 595sq-in Thunderbird Tom likes use four bladed Holly 65-ft lines youre serious about plain-bearing engines youd better pay attention fuel All-castor lube absolute must want hold main bearing length time cylinder-and-piston combination isnt critical engine ABNaluminum piston brass sleeve nickel-plated Stay blend thats least 24% castor lubing cylinder pis ton youll extremely pleased Taffinders PAC fuel mix 5% 10% nitro mixture makes superior choice Judging several Ive seen Magnum 40s run well really perk up 35-size ships moderate weight good news weighs just 244 grams talking about new engines Tom has also working replacement ST-46 Boy thats tough Ive seen some greatrunning ST-46s recently understand Mike Rogers planning go next year Anyway need engine Sig Magnum Royal 40 ticket Tom flew model 70-ft lines 10%-nitro fuel 11 x 6 two-bladed prop Generally same kind modifications described Magnum 40 work well engine As might ex pect Tom reports Royal 40 45 beginning prevail Southeast Best both engines readily available Good news George Aldrich back engine business years George has enjoyed repu tation producing superior-fitting engines Ive Continued page 173 Left This ones real showstopper its spectacular flame-red doped finish Warren Tiaharts Stunt Rocket oid-time Stunter rivals best front row bunch Nate Right Ted Fancher used fly great-looking Stunter ST-46 Retrofitting OS 40 brought him big gain performance 54 Model Aviation Conot Line Aerobatics Frank McMiIIan 12106 Gunter Grove San Antonio TX 78231 Zim taking break normal judging role old-time Barnstormer Nats Bill Zimmer enjoys low-keyHeres clever adjustable Control Line han quality Old-Timer competitiondle developed James Lee Topeka KS Note adjustable line spacing simple up/down adjusting screw Senior flier Todd Lee Topeka KS flew long-nosed Nobler Twin two Fox 19s Nate CA RCDIS&Ii Service Ctr FL Radie South Steve EwohlioTony Stiliroan P0 408 988-1214Ph 904 478-6745 Authorized WC Service Don McCartOy P0 619 728-0440 GSR Products George Steiner Ph 816 362-1962 FL Southeru R/C Daoid Steoeos Ph 813 775-1554 Wollitz R/C Caloio Woitz Ph 904 771-0613 IL Pete Colvogna Ph 615 233-5646 MI 0 & J Electronics Daoe Coihogs Ph 517546-2644 Charlies Hohhieskrett Midwest Charlie PouhonPete Waters Ph 013 802-4007Ph 313 348-0095 Jims R/C ServiceNJOcean Cuouty WC Jim StewartJim Maraldo P0 305 021 -1192P0 201 505-9477 pj RJL Control Systems Rock Leone Ph 201 627-7070 NY Lens R/C Service [on Sauter Ph 315 695-2448 OH Acre Models Terry Banon Ph 216 948-1675 TN Rivergate Hohhy Ctr Ed Branoan Ph 615 859-3455 TX DoMoud WC Service WA Auythiug IVC Joe DaMondRichard Carson Ph 214 242-5500Ph 509 327-4579 Steve WhisenhuutWIGalaxy Scieuce & Hohhy Steoe WhiseohootWade Van Ryzin Ph 817 246-6349Ph 414 730-9220 RCD Redlo Control Development Inc 9419 Abraham Wan ee CA 92071 PH 16191 449-1112 FAX 10191 449-1002 Als Hohbies Al Rohies Ph 713 944-0607 Custom-Tronics Richard Slate Ph 713 460-1290 Paul Smith reached top speed 107 mph ST G-2 1 compared slightly over 70 mph Redhead engines McCoy manufac ture Johnson Combat Special no match Pauls model Since first meet meane fun no really minded what en gines being used its issue thatll need lied down contests run future easygoing competition Flying Saucers threatening sweep contest un til about third round got hit other killed Most matches ended kills Current rules usedno worrying about multicolored streamers collision zones rest early days Someone brought copies late-1950s rules Theyre much complicated harder judge use today reason old engines ran well everyone using either bladders pacifiers old hard tanks seemed promote bad set tings lean runs seizures 9 x 8 props used use just didnt workor maybe ears tuned pitch Taipan 8 x 6 produces multitude suggestions made about engine problem thought 80-mph limit might helpful could go 80 mph old engines fear blowing up something dont want risk since spare parts arent readily available Maybe could try 80-mph limit bonus 10 points honest-to-goodness legal 1961and-earlier engine Next year Doc plans either hold meet Jasonville tie much larger OldTime meet would include other events Kits plans available engine problem will have nailed down Some better designs such Equalizer could used backup models regular Fast Combat meets go weird can build Saucer amaze friends local Con trol Line field Watch announcement 1991 meet CL Aerobatics/McMiIIan Continued page 54 watched him hone cylinder Sun nen shaping fitting rings pistons can tell theres no better George also has access superior chroming may want consider chromed liner 60 46 Another service might want think about parts restoration older engines George has developed technique grow pis tons restore liner fits can contact George 12822 Tarrytown San Antonio TX 78233 telephone 1-512/656-2021 Tech tip Texas winters get cold enough qualify official building season thinking about plans new ship got con versation compadre thats Texan good bud4y John Hill some problems encount ering ink lines new model dis cussed some points havent seen print some time Ill pass along sake newcomers hobby topic talcum powderthat lovely stuff makes babys bottoms feel like Stunt ships wing Yes strangely enough couple modeling uses unscented variety really come handy Im sure youve heard about possibly other Stealthbat ARF born NEWCONGEPTINAEROOYNAMIG DESIGN FOR LEARNING TO FLYR/CAIRCEA91 THE FUN WAYTO FLY VISA & MASTERCARD Toss nod control ACCEPTED PHONE Too op litre kite nod reteone 309/3423009Loop ond dire Hi-Start launch Stopenonrit Strap power pod go OIoo odrrira diect ord requirrdoerort niong nOt $1250 foriippirp Wirg Atg 300 Eo1 Sirrrror CoIeOorg IL 01401 illinois ttesderO odd 7% too February 1991 173 AVAILABLE THROUGH YOUR DEALER OR DIRECT FROM WING MPGSend $450 catalog Mode America American Technology yMOO END ES RJL Manufactures USA RJL RIC & U/C ENGiNES 15 thru 61 Forster Glow & Ignition Engines FACTORY PARTS & SERVICE FOR HB Engines Cox Conquest 15 Kraft 61 Taipan 40 HGK Engines Testor/McCoy Series 21 Forster Remco Viking twin Collar wrre free irrfsrmorion RJL Industries PO Box 5 Sierra Madre CA 91025 Cmtittucd Ott page /75818 359-0016 Electric F ight / Has Broke2 month Lightweight 12 oo Adjostoble switching pointmoney bock Snideness tenojool easy hookop ON/OFF Controller $2995 Power sore weight 120 Sine 22s13n63 v high efficiency 006V loss Add $100 shippiog Colitonria rroideOs odd 725% $217 Tar Send Check money order Comenoi1tHigh Sky Ptnnhn eoooertoe3929 Kansas St #9 othoesoorSan DlegoCA 92104 Using talcum powder filling material dope has around long time remem ber hearing vague references talc dope fill ers far back early Fifties Later some East Coast fliers gave us detailed propor tions modelers myself included still using same technique today base sealer begins equal quantities 4 oz clear thinnerin dark color like blueand talc Dissolve talc thinner add remaining ingredients consis tency will probably serve well brushing requires thinning spraying like spraying since produces nice base brushing works well too Caution material quite heavy youll need sand off Thats dark color helpful sand away filler color highlights low spots Block sand until youve removed colored filler except dings grainy areas sand down sur face recoat sealer resand Re peat necessary until base perfect Thoroughly clean entire plane Prep sol equivalent continue fin ishing procedure Youll probably want give plane coat clear dope point seal filler Now less commonly known use tal cum powder Its helpful youre drawing ink lines Quite often though surface clean aiid free fingerprints youll have areas simply wont accept ink Sometimes re tracing lines will trickbut run risk indenting surface doing better way dust surface talc wipe off significant residue ink lines works like magic youve finished inking wipe plane Prep-sol remove talc Actually can spray right over talc will disappear I] CL Scale/Boss Continued page 55 ply described modification necessary because signal generated encoder passed over control lines series wave forms synchronization pulses certain shape polarity Upon receiving pulses modified de IGLOWUG DESIGNED Puts ma e St ng n engine FOR LONGER HIGHER RPMS Get starts GloBee Unique flat-wound spiral coil element anc high temperature glass-to-metal seal add up faster ignition increased RPM GloBee plugs specified original engine manufacturers purchased over over again Pylon control line racers find GloBee plugs best GloBee plugs designed fit popular engines used today unavailable locally write call Twinn-K collect pricing & delivery information & FREE Catalog MAKE THE GLOBEE / INDY CONNECTION Twinn-K Inc 10296 W Washington St Indianapolis IN 46231 Telephone 317-839-6579 FAX 317-839-8928 coder passes through series inverters contained IC-i finally onto IC-2 further processes synchronizes pulse train provide positive output pulse required op erate servo did remove transistor encoder output would pass through extra stage would reverse pulse polarity time too servos would operate Channel wiring prewired decoder used seven channels wired close examina tion wiring will show output leads channels 1 3 4 odd-colored wire grouped together have common set red k - battery leads grouping intended terminate Deans connector block channels 2 4 through 7 would terminated individual female three-pin Deans connectors wiring setup intended use receiver can use same wiring arrange ment wish build system four working channels some reason channels individually wired red black battery supply leads would have wired channels 3 4 Spare holes pur pose can found dotted line areas marked B area marked C contains spare holes isolated rest circuitry thus no use us project modified decoder used project shown photos Note leads channels 5 through 7 have removed Battery supply leads intended channels used individually wire channels 1 through 4 channels 1 2 used proj ect channels 3 4 wired use future project will have four operating features Pictured Aces R/C Commander Bantam servos other servos used sure con nectors compatible Otherwise will have change connectors either servo de coder channel leads soldering servo connectors remember red lead pos itive side battery black lead neg ative side odd-colored lead servo signal lead System operation control adjustment Before continuing lets briefly examine encoder control circuitry system operation op erational theory too complex general explanation youll need some basic knowledge order properly adjust input controls As noted last months column input con trols two basic types 1 switch operation 2 AUX/LEVER variable resistor inFebruary 1991 175 PINSPATCHES i2U~Q rngLim C0 CUSTOM ENAMEL PINS & EMBROIDERED PATCHES MADE TO YOUR DESIGN 303 667-4940 P0 Box 1615Loveland CO80539 RAINBOW RUNNER r 45 Gm PRECISION PROILJCTS IN. 714 592-5144 510 E Arrow Highway San Dimas CA 91773 WHEN YOU FORGET\OUR UNITS REMEMBER RC System NICd Batteries AU chargers need padageI Fits48V Ax andpacksPlus $5 SEtH GO~For Cycler-Chargec$23995 eeceeGelled Cell TrIckIer#IC~ *Regular Model- $4896 ForPlus $3 SEtH~iaC4For field kit smallPlus $3 SEtH MufteO%electric boat batteriesSpecify 612 24V Heavy Duty Model$5895 sport winch large boat andPlus $4 SEtH electric power charging batteriesSpecify 6 2v CaRa Products5A5EiVn PO Box 221 605-987-5924Dealer inquiries inviledcanton SD 57013