CONTROL LINE ~LD Glenn Lee 819 Mandrake Batavia IL 60510 AS WRITE Nationals two weeks away Im busy filing new props getting airplanes engines ready new rules requirement 10%-nitro fuel will necessitate radical changes propeller size possibly engine tolerances havent chance test-flying Ill test-fly Nationals Recent contests West Coast Cleveland have shown what kind speeds can expect Class D ships turning near 180 mph larger lines 21 Sport Speed 150 mph has already flown have slowed down much did restricted fuel D fuel 21 has always 10% little experimentation needed Early Class speeds have also around 150 mph Im sure speeds will rise summer after fliers have competed Since havent flown larger engines new fuel Im just guessing what size props use time K&B 65 have some 9-in-diameter l0-in-pitch ones ready Ill also try some 81I2 8314-in diameter 11- 12-in pitch An original Jim Walker Fireball powered ignition Forster 29 engine first UControl airplane its inventor granted patents engine used turn full 9 x 13 prop 19000 rpm 10% fuel turns 9 x 10 17000 might necessary reduce prop size lot until can get rpm up point usable horsepower available will undoubtedly comparing note ignition Hornet 60-powered job placed Plymouth International contest Detroit model set up clockwise flying watching what other fliers using Nationals lower power will allow us again use wooden props safely expensive fiberglass carbon fiber types should necessary FAT speeds did go up until small single-bladed props developed Most likely similar ones will work larger airplanes some would try takes time make molds thats development next year First reports Jet Speed very encouraging 80%-methanol 20%MEK fuel doesnt want start doesnt want run Texas boys have using mixture Sport Jet several years putting up flight after flight few troubles complications Does fuel work Texas weather hot low humidity need ignitor such propylene oxide get stuff work Again no place around test-flying test-running noisy beasts Ill have wait until get Nationals No Jet flier know wanted go back white gasoline jet fuel 80-20 alky mix seemed best alternative could give reasonable slower speeds get within Safety Committee guidelines Read next column will report Nationals information new rules produce conditions similar during early days Speed Continued page 154 September 1992 83 1950s-vintage Class B model powered McCoy Redhead 29 Note two-line control large Froom spinner Tornado Plasticote propeller simple three-wheel drop-off dolly An early racer powered O&R 60 steel head engine name model builder unknown note use fishing line flying lines photos sent Dave Wehrly Fort Wayne Indiana adding weight opposite wingin case right wing add weight CG line usually add weight 1/4 oz time Tape weight top wing tape underneath wing will just get torn off plane turns out right add weight left wing until plane flies straight around number pylon After have made correct weight adjustments may want cut small hole wing tip insert weight have added key good-flying airplane keep airflow thrust rudder straight line can get rightno matter what takesyou can make just about plane fly set plane up fly straight through turns adjust severe trim corrections will find dont have go back building board after once-hard-to-fly plane will fly just great can spend time engines props Good Luck CL SpeedlLee Continued page 83 flying Everything new milestones reached slowly lot flying comes outstanding finish makes model rise above rest Hobbypoxy Enamel winner hands down Hobbypoxy super-strong two-part epoxy finish formulated give model durable flexible finish will stand up wear water racing fuels chipping cracking peeling single coat Hobbypoxy equal other finish Two coats will put model class itself Brushed sprayed Hobbypoxy adheres iron-on films woven fabric iron-on coverings matches films 16 standard colors its easy find shade need Select high gloss flat finishes add Hobbypoxy Custom Metallizer superb metallic lusters Granger Williams sent Story V G Racer last year thought might like hear what like Speed just starting VG also spelled Vee Gee originally named Williams Clark Special designed built Granger Williams renamed VG Barney Snyder Modelcraft kitted early part World War II Granger Williams Virgil Clark decided build racing models second annual Speed contest Long Beach California Granger built two airplanes along general lines full-size Keith Ryder racers using Atwood Champion Ray Snow Hornet engines entry 60-size Class C event Virgil built modified Jim Walker Fireball powered Atwood Torpedo 29 Class scale Messerschmitt 109 using Bunch 45 engine Class B contest allowed entry per class Grangers Atwood model took first place Hornet came very close second Virgil won both B classes models used light rechargeable batteries developed Virgil later manufactured X-Cell Before next contest Granger built smaller version Ryder design powered Atwood 29 Class airplane kitted VG because Snyder thought name Williams Clark Special too long models state-of-the-art time inverted fully enclosed engines streamlined swept-forward wheels Granger built three modified models increased wing area less taper larger Hornet engines using backplate screws radial mounting engines lightened four ounces drilling out crankshaft plugging hole magnesium disk cutting off such heavy parts mounting lugs turning down head fins Virgil painted airplanes red white blue next contest entered Williams Clark Speed Team Granger won first 112 mph Virgil took second 110 29-powered model won Class 99 mph inspired Granger build twin-engined model using two 29s two fuselageseven before North American built Twin Mustang result first place 106 mph next contest After much propeller testing done Grangers Class C model consistently turning over 120 mph fantastic speed time airplane cleaned up repainted tuned up next contest takeoff dolly being used time two men decided test-fly takeoff model accelerated faster ever Granger trouble keeping up up line broke handle airplane totally destroyed crash because neglected check lines pull test before flying Fortunately no spectators 154 Model Aviation injured contest wonbut themat 113 mph Granger built new revised model called military service Things havent changed much last 50 years have erobaticslMcMillan Continued page 85 Still doesnt conclusively say what means us respect helping trim problems experience four airplanes planes turned quicker suppose demonstrated improved lift planes basic problem falling out hard corners didnt cure add flap area Ive experienced consistent characteristics really significant Lets digress bit give reason sealing hinge line modern planes mating stationary edges have flat square line forward edgeie wing stab forward edge movable surface usually triangle thats problem sometimes arises hinges set too far back flap edge flap will rotate away stationary flat surface creating gap can bleed air thereby destroying lift Bad can can worse still airflow disruption can uneven depending uniformly hinges set controls deflected can severe rolling wing banging plane can simply refuse groove some times inverted experience shows flaps seem affected sealing procedure would first choice start problems persist course go ahead elevators fly ship can hope negative characteristics simply will However some characteris tics evident will need make adjustments result labors will improvement performance will find helpful understand some effects adjustments will make Since controls now effective plane will naturally turn quickly want get locked-in feeling back will have consider either nose weight increasing distance between control lines control handle Adding nose weight will result line tension improvement tracking through maneuvers Too much nose weight will make plane want push out round loops turn through cleanly approach Ive settled carry enough additional nose weight approxi mately /2 oz feel start solid stability adjust line-spread handle handle posts can lengthened add about I/ slightly desensitizes controls around neutral still retaining same control authority will have own preferences planes characteristics may different least now know some options foregoing discussion would expect airplane will act friendlier predictably will So now lets look doing job material used 3M clear plastic tape Decorate Repair tape 23-8085 best place find True Value hardware stores As recall Bob Whitley tipped off stuff 1/2-in-wide size convenient use first experiment take field after youve flown plane clean surfaces either methanol Prepsol degreaser just pull full-length strip apply Start movable surface eyeball about half width Stick material down thin stiff tool credit card piece 1132-in ply will work Apply tape course bottom plane Deflect surface full travel use tool roll tape hinge up stationary surface procedure has well known years RC circles allows maintain full control will hold lengthy flying session dont recommend permanent approach Continued page 160 ftYou Can Hold Boat Statler Power twice tork starter hot can handle Because Sullivan Model 4 Starter has its own handle Just push switch youre ready make waves Model 4 comes complete front ball bearings control side thrust staked 2-speed pulley safety 600 inch-ounces tork Thats twice powerof other boat starters Powered 12 24 volts Sullivan Model 4 Starter will get you want go Fast Just hook starter belt motor boat lift up hit switch Think can handle it~IJijjj Sullivan Model 4 Starter Its gotPRODUCtS handle So pick up todayP0 nx51tuItimore MD 21224 Getting Better Ideas 011 Ground September 1992 155
Edition: Model Aviation - 1992/09
Page Numbers: 83, 154, 155
CONTROL LINE ~LD Glenn Lee 819 Mandrake Batavia IL 60510 AS WRITE Nationals two weeks away Im busy filing new props getting airplanes engines ready new rules requirement 10%-nitro fuel will necessitate radical changes propeller size possibly engine tolerances havent chance test-flying Ill test-fly Nationals Recent contests West Coast Cleveland have shown what kind speeds can expect Class D ships turning near 180 mph larger lines 21 Sport Speed 150 mph has already flown have slowed down much did restricted fuel D fuel 21 has always 10% little experimentation needed Early Class speeds have also around 150 mph Im sure speeds will rise summer after fliers have competed Since havent flown larger engines new fuel Im just guessing what size props use time K&B 65 have some 9-in-diameter l0-in-pitch ones ready Ill also try some 81I2 8314-in diameter 11- 12-in pitch An original Jim Walker Fireball powered ignition Forster 29 engine first UControl airplane its inventor granted patents engine used turn full 9 x 13 prop 19000 rpm 10% fuel turns 9 x 10 17000 might necessary reduce prop size lot until can get rpm up point usable horsepower available will undoubtedly comparing note ignition Hornet 60-powered job placed Plymouth International contest Detroit model set up clockwise flying watching what other fliers using Nationals lower power will allow us again use wooden props safely expensive fiberglass carbon fiber types should necessary FAT speeds did go up until small single-bladed props developed Most likely similar ones will work larger airplanes some would try takes time make molds thats development next year First reports Jet Speed very encouraging 80%-methanol 20%MEK fuel doesnt want start doesnt want run Texas boys have using mixture Sport Jet several years putting up flight after flight few troubles complications Does fuel work Texas weather hot low humidity need ignitor such propylene oxide get stuff work Again no place around test-flying test-running noisy beasts Ill have wait until get Nationals No Jet flier know wanted go back white gasoline jet fuel 80-20 alky mix seemed best alternative could give reasonable slower speeds get within Safety Committee guidelines Read next column will report Nationals information new rules produce conditions similar during early days Speed Continued page 154 September 1992 83 1950s-vintage Class B model powered McCoy Redhead 29 Note two-line control large Froom spinner Tornado Plasticote propeller simple three-wheel drop-off dolly An early racer powered O&R 60 steel head engine name model builder unknown note use fishing line flying lines photos sent Dave Wehrly Fort Wayne Indiana adding weight opposite wingin case right wing add weight CG line usually add weight 1/4 oz time Tape weight top wing tape underneath wing will just get torn off plane turns out right add weight left wing until plane flies straight around number pylon After have made correct weight adjustments may want cut small hole wing tip insert weight have added key good-flying airplane keep airflow thrust rudder straight line can get rightno matter what takesyou can make just about plane fly set plane up fly straight through turns adjust severe trim corrections will find dont have go back building board after once-hard-to-fly plane will fly just great can spend time engines props Good Luck CL SpeedlLee Continued page 83 flying Everything new milestones reached slowly lot flying comes outstanding finish makes model rise above rest Hobbypoxy Enamel winner hands down Hobbypoxy super-strong two-part epoxy finish formulated give model durable flexible finish will stand up wear water racing fuels chipping cracking peeling single coat Hobbypoxy equal other finish Two coats will put model class itself Brushed sprayed Hobbypoxy adheres iron-on films woven fabric iron-on coverings matches films 16 standard colors its easy find shade need Select high gloss flat finishes add Hobbypoxy Custom Metallizer superb metallic lusters Granger Williams sent Story V G Racer last year thought might like hear what like Speed just starting VG also spelled Vee Gee originally named Williams Clark Special designed built Granger Williams renamed VG Barney Snyder Modelcraft kitted early part World War II Granger Williams Virgil Clark decided build racing models second annual Speed contest Long Beach California Granger built two airplanes along general lines full-size Keith Ryder racers using Atwood Champion Ray Snow Hornet engines entry 60-size Class C event Virgil built modified Jim Walker Fireball powered Atwood Torpedo 29 Class scale Messerschmitt 109 using Bunch 45 engine Class B contest allowed entry per class Grangers Atwood model took first place Hornet came very close second Virgil won both B classes models used light rechargeable batteries developed Virgil later manufactured X-Cell Before next contest Granger built smaller version Ryder design powered Atwood 29 Class airplane kitted VG because Snyder thought name Williams Clark Special too long models state-of-the-art time inverted fully enclosed engines streamlined swept-forward wheels Granger built three modified models increased wing area less taper larger Hornet engines using backplate screws radial mounting engines lightened four ounces drilling out crankshaft plugging hole magnesium disk cutting off such heavy parts mounting lugs turning down head fins Virgil painted airplanes red white blue next contest entered Williams Clark Speed Team Granger won first 112 mph Virgil took second 110 29-powered model won Class 99 mph inspired Granger build twin-engined model using two 29s two fuselageseven before North American built Twin Mustang result first place 106 mph next contest After much propeller testing done Grangers Class C model consistently turning over 120 mph fantastic speed time airplane cleaned up repainted tuned up next contest takeoff dolly being used time two men decided test-fly takeoff model accelerated faster ever Granger trouble keeping up up line broke handle airplane totally destroyed crash because neglected check lines pull test before flying Fortunately no spectators 154 Model Aviation injured contest wonbut themat 113 mph Granger built new revised model called military service Things havent changed much last 50 years have erobaticslMcMillan Continued page 85 Still doesnt conclusively say what means us respect helping trim problems experience four airplanes planes turned quicker suppose demonstrated improved lift planes basic problem falling out hard corners didnt cure add flap area Ive experienced consistent characteristics really significant Lets digress bit give reason sealing hinge line modern planes mating stationary edges have flat square line forward edgeie wing stab forward edge movable surface usually triangle thats problem sometimes arises hinges set too far back flap edge flap will rotate away stationary flat surface creating gap can bleed air thereby destroying lift Bad can can worse still airflow disruption can uneven depending uniformly hinges set controls deflected can severe rolling wing banging plane can simply refuse groove some times inverted experience shows flaps seem affected sealing procedure would first choice start problems persist course go ahead elevators fly ship can hope negative characteristics simply will However some characteris tics evident will need make adjustments result labors will improvement performance will find helpful understand some effects adjustments will make Since controls now effective plane will naturally turn quickly want get locked-in feeling back will have consider either nose weight increasing distance between control lines control handle Adding nose weight will result line tension improvement tracking through maneuvers Too much nose weight will make plane want push out round loops turn through cleanly approach Ive settled carry enough additional nose weight approxi mately /2 oz feel start solid stability adjust line-spread handle handle posts can lengthened add about I/ slightly desensitizes controls around neutral still retaining same control authority will have own preferences planes characteristics may different least now know some options foregoing discussion would expect airplane will act friendlier predictably will So now lets look doing job material used 3M clear plastic tape Decorate Repair tape 23-8085 best place find True Value hardware stores As recall Bob Whitley tipped off stuff 1/2-in-wide size convenient use first experiment take field after youve flown plane clean surfaces either methanol Prepsol degreaser just pull full-length strip apply Start movable surface eyeball about half width Stick material down thin stiff tool credit card piece 1132-in ply will work Apply tape course bottom plane Deflect surface full travel use tool roll tape hinge up stationary surface procedure has well known years RC circles allows maintain full control will hold lengthy flying session dont recommend permanent approach Continued page 160 ftYou Can Hold Boat Statler Power twice tork starter hot can handle Because Sullivan Model 4 Starter has its own handle Just push switch youre ready make waves Model 4 comes complete front ball bearings control side thrust staked 2-speed pulley safety 600 inch-ounces tork Thats twice powerof other boat starters Powered 12 24 volts Sullivan Model 4 Starter will get you want go Fast Just hook starter belt motor boat lift up hit switch Think can handle it~IJijjj Sullivan Model 4 Starter Its gotPRODUCtS handle So pick up todayP0 nx51tuItimore MD 21224 Getting Better Ideas 011 Ground September 1992 155
Edition: Model Aviation - 1992/09
Page Numbers: 83, 154, 155
CONTROL LINE ~LD Glenn Lee 819 Mandrake Batavia IL 60510 AS WRITE Nationals two weeks away Im busy filing new props getting airplanes engines ready new rules requirement 10%-nitro fuel will necessitate radical changes propeller size possibly engine tolerances havent chance test-flying Ill test-fly Nationals Recent contests West Coast Cleveland have shown what kind speeds can expect Class D ships turning near 180 mph larger lines 21 Sport Speed 150 mph has already flown have slowed down much did restricted fuel D fuel 21 has always 10% little experimentation needed Early Class speeds have also around 150 mph Im sure speeds will rise summer after fliers have competed Since havent flown larger engines new fuel Im just guessing what size props use time K&B 65 have some 9-in-diameter l0-in-pitch ones ready Ill also try some 81I2 8314-in diameter 11- 12-in pitch An original Jim Walker Fireball powered ignition Forster 29 engine first UControl airplane its inventor granted patents engine used turn full 9 x 13 prop 19000 rpm 10% fuel turns 9 x 10 17000 might necessary reduce prop size lot until can get rpm up point usable horsepower available will undoubtedly comparing note ignition Hornet 60-powered job placed Plymouth International contest Detroit model set up clockwise flying watching what other fliers using Nationals lower power will allow us again use wooden props safely expensive fiberglass carbon fiber types should necessary FAT speeds did go up until small single-bladed props developed Most likely similar ones will work larger airplanes some would try takes time make molds thats development next year First reports Jet Speed very encouraging 80%-methanol 20%MEK fuel doesnt want start doesnt want run Texas boys have using mixture Sport Jet several years putting up flight after flight few troubles complications Does fuel work Texas weather hot low humidity need ignitor such propylene oxide get stuff work Again no place around test-flying test-running noisy beasts Ill have wait until get Nationals No Jet flier know wanted go back white gasoline jet fuel 80-20 alky mix seemed best alternative could give reasonable slower speeds get within Safety Committee guidelines Read next column will report Nationals information new rules produce conditions similar during early days Speed Continued page 154 September 1992 83 1950s-vintage Class B model powered McCoy Redhead 29 Note two-line control large Froom spinner Tornado Plasticote propeller simple three-wheel drop-off dolly An early racer powered O&R 60 steel head engine name model builder unknown note use fishing line flying lines photos sent Dave Wehrly Fort Wayne Indiana adding weight opposite wingin case right wing add weight CG line usually add weight 1/4 oz time Tape weight top wing tape underneath wing will just get torn off plane turns out right add weight left wing until plane flies straight around number pylon After have made correct weight adjustments may want cut small hole wing tip insert weight have added key good-flying airplane keep airflow thrust rudder straight line can get rightno matter what takesyou can make just about plane fly set plane up fly straight through turns adjust severe trim corrections will find dont have go back building board after once-hard-to-fly plane will fly just great can spend time engines props Good Luck CL SpeedlLee Continued page 83 flying Everything new milestones reached slowly lot flying comes outstanding finish makes model rise above rest Hobbypoxy Enamel winner hands down Hobbypoxy super-strong two-part epoxy finish formulated give model durable flexible finish will stand up wear water racing fuels chipping cracking peeling single coat Hobbypoxy equal other finish Two coats will put model class itself Brushed sprayed Hobbypoxy adheres iron-on films woven fabric iron-on coverings matches films 16 standard colors its easy find shade need Select high gloss flat finishes add Hobbypoxy Custom Metallizer superb metallic lusters Granger Williams sent Story V G Racer last year thought might like hear what like Speed just starting VG also spelled Vee Gee originally named Williams Clark Special designed built Granger Williams renamed VG Barney Snyder Modelcraft kitted early part World War II Granger Williams Virgil Clark decided build racing models second annual Speed contest Long Beach California Granger built two airplanes along general lines full-size Keith Ryder racers using Atwood Champion Ray Snow Hornet engines entry 60-size Class C event Virgil built modified Jim Walker Fireball powered Atwood Torpedo 29 Class scale Messerschmitt 109 using Bunch 45 engine Class B contest allowed entry per class Grangers Atwood model took first place Hornet came very close second Virgil won both B classes models used light rechargeable batteries developed Virgil later manufactured X-Cell Before next contest Granger built smaller version Ryder design powered Atwood 29 Class airplane kitted VG because Snyder thought name Williams Clark Special too long models state-of-the-art time inverted fully enclosed engines streamlined swept-forward wheels Granger built three modified models increased wing area less taper larger Hornet engines using backplate screws radial mounting engines lightened four ounces drilling out crankshaft plugging hole magnesium disk cutting off such heavy parts mounting lugs turning down head fins Virgil painted airplanes red white blue next contest entered Williams Clark Speed Team Granger won first 112 mph Virgil took second 110 29-powered model won Class 99 mph inspired Granger build twin-engined model using two 29s two fuselageseven before North American built Twin Mustang result first place 106 mph next contest After much propeller testing done Grangers Class C model consistently turning over 120 mph fantastic speed time airplane cleaned up repainted tuned up next contest takeoff dolly being used time two men decided test-fly takeoff model accelerated faster ever Granger trouble keeping up up line broke handle airplane totally destroyed crash because neglected check lines pull test before flying Fortunately no spectators 154 Model Aviation injured contest wonbut themat 113 mph Granger built new revised model called military service Things havent changed much last 50 years have erobaticslMcMillan Continued page 85 Still doesnt conclusively say what means us respect helping trim problems experience four airplanes planes turned quicker suppose demonstrated improved lift planes basic problem falling out hard corners didnt cure add flap area Ive experienced consistent characteristics really significant Lets digress bit give reason sealing hinge line modern planes mating stationary edges have flat square line forward edgeie wing stab forward edge movable surface usually triangle thats problem sometimes arises hinges set too far back flap edge flap will rotate away stationary flat surface creating gap can bleed air thereby destroying lift Bad can can worse still airflow disruption can uneven depending uniformly hinges set controls deflected can severe rolling wing banging plane can simply refuse groove some times inverted experience shows flaps seem affected sealing procedure would first choice start problems persist course go ahead elevators fly ship can hope negative characteristics simply will However some characteris tics evident will need make adjustments result labors will improvement performance will find helpful understand some effects adjustments will make Since controls now effective plane will naturally turn quickly want get locked-in feeling back will have consider either nose weight increasing distance between control lines control handle Adding nose weight will result line tension improvement tracking through maneuvers Too much nose weight will make plane want push out round loops turn through cleanly approach Ive settled carry enough additional nose weight approxi mately /2 oz feel start solid stability adjust line-spread handle handle posts can lengthened add about I/ slightly desensitizes controls around neutral still retaining same control authority will have own preferences planes characteristics may different least now know some options foregoing discussion would expect airplane will act friendlier predictably will So now lets look doing job material used 3M clear plastic tape Decorate Repair tape 23-8085 best place find True Value hardware stores As recall Bob Whitley tipped off stuff 1/2-in-wide size convenient use first experiment take field after youve flown plane clean surfaces either methanol Prepsol degreaser just pull full-length strip apply Start movable surface eyeball about half width Stick material down thin stiff tool credit card piece 1132-in ply will work Apply tape course bottom plane Deflect surface full travel use tool roll tape hinge up stationary surface procedure has well known years RC circles allows maintain full control will hold lengthy flying session dont recommend permanent approach Continued page 160 ftYou Can Hold Boat Statler Power twice tork starter hot can handle Because Sullivan Model 4 Starter has its own handle Just push switch youre ready make waves Model 4 comes complete front ball bearings control side thrust staked 2-speed pulley safety 600 inch-ounces tork Thats twice powerof other boat starters Powered 12 24 volts Sullivan Model 4 Starter will get you want go Fast Just hook starter belt motor boat lift up hit switch Think can handle it~IJijjj Sullivan Model 4 Starter Its gotPRODUCtS handle So pick up todayP0 nx51tuItimore MD 21224 Getting Better Ideas 011 Ground September 1992 155