CONTROL LINE SCALE ELECTRONICS vs THREE-LINE BELLCRANK systems continues topic discussion among readers column June issue spoke about merits system use other combination two systems would probably satisfy CL Scale modelers guess serenity difference opinion has expressed system best they/it should used feel electronic systems should used very sophis ticated models like flown Preci sion event three-line belicrank pushrod systems five- six-channel electronic systems would adequate Sport Scale other hand feel electronics way go operating features should actuated type systemthat bellcrank required should two-line bellcrank elevator operation line termination Comment also made about reliability general operation both systems respondent noted has used electronic system hundreds flights failure properly built maintained failure should encountered Exactly same thing can said three-line bellcrank system has used successfully many years Regardless system used well its maintained always chance failure Both systems use pushrod control horns connectors various sortsall subject model vibrations stress wear electronic system has addition batteries servos wiring present own set possible problems goes saying proper attention main tenance will greatly reduce possibility failure either system Proponents electronic system also note line tension needed its basic operation model better controlled ground An engine easily shut down groundloop situation its throttle servo operated may distinct advantage over mechanical system often does ground-loop situation occur suppose now youre asking yourself what leading Well believe bottom line use particular system possible problems either strictly choice individual modeler nothing competition rules whether Precision Sport Profile events stipulates system used modeler accomplishes operating fea tures such flaps throttle bomb bay doors cowl flaps tank drops crop dusting banner towing personal choice Comment has also made use multichannel electronics multiple operating features sport models puts less-complicated model such Piper Cub biplane distinct disadvantage competition Fred Cronenwett Canoga Park Cali fornia ardent proponents electronic systems said should stop right hereand look once rules Regardless system used Sport model 84 Model Aviation ile Scale 5-25 work Bill Great-looking Fokker Drl work Barber Woodland Hills CA model Ed Robinson Hastings Hudson held Bills daughter Brittany NY model built VK Kit Proctor powered SuperTigre 60 Color markings WW German ace Von Richtofen Note position ailerons inboard wing down outboard wing up used help keep model flying toward outside circle keeping lines taught Jim Pepinos Scale Plans Photo Ser vice can help model plans 3-views photos plan enlarging research Continued page 88 Control line test bed model FredFred Cronenwett Grant Heistand Cronenwett Canoga Park Ca has astand center flying circle 35mm camera mounted aerialthe model Fred flying takes photographspicture Grant Heistands PT-19 caught flight camera mounted plane tail visible foreground picture flown Fred Cronenwett During years popular Fox 45BB motor has refined has maintained its excellent reputation power durability newest Fox 45s light weight extremely user friendly now equipped new Fox Single Needle E-Z Carbi youre looking little extra power same user friendly' characteristics try FOX 50DB RC Fox motors backed limited Lifetime Warranfy motor fails prematurely due factory detect abuse use synthetic fuels repaired no charge POWER YOUR AIRPLANE WITH PROVEN PERFORMER FLY FOXI MOTOR REPAIR POLICY interest Fox motors perform well field reason repair policy intended insure repaired Fox motors will run well possible customers leel repair charges reasonable following basis will follow until further notice 1 Any motor sent us disassembled inspected necessary parts replaced reassembled check run insure its proper pertormance Only motor runs well returned customer Otherwise pulled down second time parts replaced 2 The charges made basis retail price parts used charge labor charges less $1000 $1000 charged price parts exceeds 50% current retail price motor 50% maximum charged necessary replace part way can assured whatever condition motor send us will get good running motor back will cost new 3 Of course inspection shows part failed prematurely due factory defect would make no charge 4 Please ask give estimates An estimate made disassembling motor just guess time motor logged disassembled inspected letter written cost almost great completing repair 5 If give us Visa Mastercard number expiration date motor will returned prepaid Otherwise motor will returned COO FOX MANUFACTURING COMPANY 5305 Towson Avenue 57 Fort Smith AR 72901 Phone 501-646-1656 FOXFAX 501-646-17- CL ScalelBoss Continued page 84 required perform six flight options simptest models engine control should able accomplish making equally competitive complicated models less-complicated throttle-controlled model should able following six options taxi lap touch-and-go worth two options engine control three laps circle 45O addition prototype may have performed banner towing crop dusting various aerobatic maneuvers little research prototype should reveal what model should capable doing up modeler prac rice flight features done well makes less sophisticated model equally competitive real bottom line modeler chooses model control system wishes build fly skills abilities determine well modet will perform competition also believe should restrictive way about control system used given event want see CL Scate events grow electronic controls improve numbers activity appears number requests have received Electronic System Mini-Guide theyre still coming interest use electronics CL models high As use promotion stand ard three-line system am ready willing present information new ideas operation model operating feature Control Line aerial photography new scale option Fred Cronenwett does very simply attach 35mm camera model get airborne snap away Fred CL modeters afraid try anything once accompanying photos show aerial shot CL circles Whittier Narrows flying site 35mm Nikon camera mounted 60-powered 71-inch-span model used Fred experimentation development electronic control systems way camera belongs Freds friend Grant Heistandyou didnt think hed use own camera did camera mounted special platform allows faced direction picture taking camera operated servo actuating shutter release film advance automatic about taking pictures contest rushing film one-hour lab presenting proof judges before contest over wonder points option would worth am sort joking about wouldnt surprised its done someday about Fred Scale Plans Photo Service Jim Pepino largest commercial service offering both scale aircraft documentation scale modet plans continues expand its coltection Jim providing four new catatogs tisting various scale plans three-views photos catalogs 1 Scale Documentation Catalog 93-2 contains listing over 120000 color photos aircraft plus three-views drawings plans kits 2 Superscale Plans Catalog 93-3 lists over 130 construction plans scale model aircraft 3 Model Aircraft Plans Handbook 93 Argus Specialty Publications ASP has outstanding scale plans English designers English Scale magazines 4 Scale Drawing Plans Book ASP provides best accurate three-view drawings scale documentation Catalogs $5 postpaid USA Canada Add $5 postage overseas airmail four catalogs addition catalogs Scale Plans Photo Service offers ptan enlarging research services SASE will bring pricing data Write Jim Pepino s Scale Plans Photo Services 3209 Madison Avenue Greensboro NC 27403 Tel 919 292-5239 Please send ideas notices upcoming CL Scale events contest reports especially photos CL Scale activity address very top column port&ScalelWarner Continued page 77 large self-addressed stampedenvelope 52 cents postage address heading up column non-profit list exists because isnt space give guys attention deserve cant afford much advertising Well until next time gang protect prop hooks plastic tubing strain fuel give wife well-deserved bunch roses putting up com petition Free Flight Scale ylonlHager Continued paqe 74 Tom Powmall Jimmy Bartels Todd Miller lanes 1 2 3 checkered flag dropped Jim Tom took off togetherand met about 30 feet later Toms plane came down top Jimmys Toms prop hitting right middle Jimmys right wing contact over Jimmys plane looked like attacked Jaws chunk missing out plane about 2 inches wide trail ing edge extended about four inches ward entire aileron gone plane kept flying Continued page 90 88 Model Aviation
Edition: Model Aviation - 1993/10
Page Numbers: 84, 88
Edition: Model Aviation - 1993/10
Page Numbers: 84, 88
CONTROL LINE SCALE ELECTRONICS vs THREE-LINE BELLCRANK systems continues topic discussion among readers column June issue spoke about merits system use other combination two systems would probably satisfy CL Scale modelers guess serenity difference opinion has expressed system best they/it should used feel electronic systems should used very sophis ticated models like flown Preci sion event three-line belicrank pushrod systems five- six-channel electronic systems would adequate Sport Scale other hand feel electronics way go operating features should actuated type systemthat bellcrank required should two-line bellcrank elevator operation line termination Comment also made about reliability general operation both systems respondent noted has used electronic system hundreds flights failure properly built maintained failure should encountered Exactly same thing can said three-line bellcrank system has used successfully many years Regardless system used well its maintained always chance failure Both systems use pushrod control horns connectors various sortsall subject model vibrations stress wear electronic system has addition batteries servos wiring present own set possible problems goes saying proper attention main tenance will greatly reduce possibility failure either system Proponents electronic system also note line tension needed its basic operation model better controlled ground An engine easily shut down groundloop situation its throttle servo operated may distinct advantage over mechanical system often does ground-loop situation occur suppose now youre asking yourself what leading Well believe bottom line use particular system possible problems either strictly choice individual modeler nothing competition rules whether Precision Sport Profile events stipulates system used modeler accomplishes operating fea tures such flaps throttle bomb bay doors cowl flaps tank drops crop dusting banner towing personal choice Comment has also made use multichannel electronics multiple operating features sport models puts less-complicated model such Piper Cub biplane distinct disadvantage competition Fred Cronenwett Canoga Park Cali fornia ardent proponents electronic systems said should stop right hereand look once rules Regardless system used Sport model 84 Model Aviation ile Scale 5-25 work Bill Great-looking Fokker Drl work Barber Woodland Hills CA model Ed Robinson Hastings Hudson held Bills daughter Brittany NY model built VK Kit Proctor powered SuperTigre 60 Color markings WW German ace Von Richtofen Note position ailerons inboard wing down outboard wing up used help keep model flying toward outside circle keeping lines taught Jim Pepinos Scale Plans Photo Ser vice can help model plans 3-views photos plan enlarging research Continued page 88 Control line test bed model FredFred Cronenwett Grant Heistand Cronenwett Canoga Park Ca has astand center flying circle 35mm camera mounted aerialthe model Fred flying takes photographspicture Grant Heistands PT-19 caught flight camera mounted plane tail visible foreground picture flown Fred Cronenwett During years popular Fox 45BB motor has refined has maintained its excellent reputation power durability newest Fox 45s light weight extremely user friendly now equipped new Fox Single Needle E-Z Carbi youre looking little extra power same user friendly' characteristics try FOX 50DB RC Fox motors backed limited Lifetime Warranfy motor fails prematurely due factory detect abuse use synthetic fuels repaired no charge POWER YOUR AIRPLANE WITH PROVEN PERFORMER FLY FOXI MOTOR REPAIR POLICY interest Fox motors perform well field reason repair policy intended insure repaired Fox motors will run well possible customers leel repair charges reasonable following basis will follow until further notice 1 Any motor sent us disassembled inspected necessary parts replaced reassembled check run insure its proper pertormance Only motor runs well returned customer Otherwise pulled down second time parts replaced 2 The charges made basis retail price parts used charge labor charges less $1000 $1000 charged price parts exceeds 50% current retail price motor 50% maximum charged necessary replace part way can assured whatever condition motor send us will get good running motor back will cost new 3 Of course inspection shows part failed prematurely due factory defect would make no charge 4 Please ask give estimates An estimate made disassembling motor just guess time motor logged disassembled inspected letter written cost almost great completing repair 5 If give us Visa Mastercard number expiration date motor will returned prepaid Otherwise motor will returned COO FOX MANUFACTURING COMPANY 5305 Towson Avenue 57 Fort Smith AR 72901 Phone 501-646-1656 FOXFAX 501-646-17- CL ScalelBoss Continued page 84 required perform six flight options simptest models engine control should able accomplish making equally competitive complicated models less-complicated throttle-controlled model should able following six options taxi lap touch-and-go worth two options engine control three laps circle 45O addition prototype may have performed banner towing crop dusting various aerobatic maneuvers little research prototype should reveal what model should capable doing up modeler prac rice flight features done well makes less sophisticated model equally competitive real bottom line modeler chooses model control system wishes build fly skills abilities determine well modet will perform competition also believe should restrictive way about control system used given event want see CL Scate events grow electronic controls improve numbers activity appears number requests have received Electronic System Mini-Guide theyre still coming interest use electronics CL models high As use promotion stand ard three-line system am ready willing present information new ideas operation model operating feature Control Line aerial photography new scale option Fred Cronenwett does very simply attach 35mm camera model get airborne snap away Fred CL modeters afraid try anything once accompanying photos show aerial shot CL circles Whittier Narrows flying site 35mm Nikon camera mounted 60-powered 71-inch-span model used Fred experimentation development electronic control systems way camera belongs Freds friend Grant Heistandyou didnt think hed use own camera did camera mounted special platform allows faced direction picture taking camera operated servo actuating shutter release film advance automatic about taking pictures contest rushing film one-hour lab presenting proof judges before contest over wonder points option would worth am sort joking about wouldnt surprised its done someday about Fred Scale Plans Photo Service Jim Pepino largest commercial service offering both scale aircraft documentation scale modet plans continues expand its coltection Jim providing four new catatogs tisting various scale plans three-views photos catalogs 1 Scale Documentation Catalog 93-2 contains listing over 120000 color photos aircraft plus three-views drawings plans kits 2 Superscale Plans Catalog 93-3 lists over 130 construction plans scale model aircraft 3 Model Aircraft Plans Handbook 93 Argus Specialty Publications ASP has outstanding scale plans English designers English Scale magazines 4 Scale Drawing Plans Book ASP provides best accurate three-view drawings scale documentation Catalogs $5 postpaid USA Canada Add $5 postage overseas airmail four catalogs addition catalogs Scale Plans Photo Service offers ptan enlarging research services SASE will bring pricing data Write Jim Pepino s Scale Plans Photo Services 3209 Madison Avenue Greensboro NC 27403 Tel 919 292-5239 Please send ideas notices upcoming CL Scale events contest reports especially photos CL Scale activity address very top column port&ScalelWarner Continued page 77 large self-addressed stampedenvelope 52 cents postage address heading up column non-profit list exists because isnt space give guys attention deserve cant afford much advertising Well until next time gang protect prop hooks plastic tubing strain fuel give wife well-deserved bunch roses putting up com petition Free Flight Scale ylonlHager Continued paqe 74 Tom Powmall Jimmy Bartels Todd Miller lanes 1 2 3 checkered flag dropped Jim Tom took off togetherand met about 30 feet later Toms plane came down top Jimmys Toms prop hitting right middle Jimmys right wing contact over Jimmys plane looked like attacked Jaws chunk missing out plane about 2 inches wide trail ing edge extended about four inches ward entire aileron gone plane kept flying Continued page 90 88 Model Aviation
