CONTROL LINE SPEED SPRING What wonderful word us living up long cold winters first Speed contest year two weeks away write early May As usual dont have airplanes ready should Ive working 21 29 40 65 engines Im rechroming some some getting new heads things like havent touched jets since last year want try suction fuel feed instead pressure year Lafayette Esquadrille Control Line Club St Louis has scheduled Speed Racing contest May 19 tried early last year spring flooding put six feet water flying field Buder Park very little snow winter maybe wont happen again Lapping My column about engine-lapping techniques May issue has generated lot interest among RC fliers Several have talked said Gee really works couple picked up 1000 rpm flying prop after removing shiny spots lower part sleeve flier improved Cox engine 23000 rpm 27000 drawings made internal external laps models use theyre necessarily types will work Commercial laps available can purchased industrial-supply firms kind has split-bronze sleeve tapered arbor screw end expands bronze buy oversize turn down outside diameter OD fit sleeve diameter type lap works very well hop-up procedures have facilities make own laps look around check machine-tool supply companies areayou may able find what need Ellipses Speed flyers building 21 Proto models should have quite turnout Nats Im building forgot much work isthe last Proto built old SuperTigre 29-powered model back 60s Im using same elliptical planform wing stabilizer used original Since must have 125 square inches area wing important draw build accurate ellipse can accurately calculate its area area true elliptical wing stab pi 314 multiplied one-half wingspan multiplied one-half chord An approximate method can used check calculations measure chord location 1/6 wingspan wingtip multiply dimension wingspan give area Race Cars may remember gas-powered model race cars popular 40s SOs went fast made lot noise just like airplanes now Some best engines D Speed came race car modelers such Dick McCoy Dooling brothers model cars popular race tracks over country Most think rail tracks vertical- slanted-board tracks flanged rails bolted rails retained guided cars Pairs ball bearings front rear car ran against rails Some tracks allowed six cars race against other Can imagine five six snorting roaring smoke-belching 60-powered cars going against other same time must have wild early Rat Racing would fly four airplanes circle US FAI Speed Team standing L-R Will Naemura Tommy Jerry Thomas test stand measures jet-engine thrust Engine Brown Billy Hughes Junior Bobby Fogg front compresses spring thrust indicated dial 128 Model Aviation Hanbeck built model elliptical wing stab 21 Sport Speed K&B 21 turns 65 x 6 APC prop race car fans just like Speed fliers wanted faster faster models found out tethered cars flat track would go faster wasnt long before rail tracks disappeared Just Control Line speeds started below 100 mph gradually increased glow plugs nitromethane phased Revival Interest tether cars has kindled once again Modelers over country others collecting making race cars engines like before prices original cars engines have skyrocketedthe McCoy Dooling engines like gold heard rumor new race track may built Long Island tracks know present time Anderson Indiana California near Whittier Narrows know almost nothing about race car club rules am trying collect information heard rumor might try organize race Anderson weekend after Control Line Nats could see run isnt far Muncie Anderson dont know car racing faded away wouldnt surprised see revival individuals have new cars produced exactly like old ones have installed engines like K&B RC take side-exhaust nonpiped engines should confused streamliner cars use new Picco engines full tuned pipes cars go 200 mph FAI-type no nitro fuel old side-exhaust ringedengine cars went close 160 mph burning high-nitro fuel wouldnt surprised ABC setup could beat think would fun run old car nostalgia class again Start oldest reference have seen concerning race cars set plans 1936 book called Giant Home Workshop Manual plans tether car called Tiny Tornadoit reached fantastic speed 562 miles per hour designed built Gordon Babb Pasadena California claimed built first midget racer started hobby Tiny Tornado used 10cc modelairplane spark-ignition engine rotated faucet washer against disk drove front wheels Other features included remote carburetor eliminate vapor lock air cleaner packed copper scouring wool roller-bearing-supported wheels spring suspension built balsa hardwood August 1951 issue Air Trails excellent article about Doolings started race car business following information came article Famous film actor Reginald Denny saw car Tom Dooling built 1936 after Tom crashed six seven model airplanes Mr Denny producing Dennymite engines time ordered 25 cars would take Dennymite engine sell Hollywood model shop Tom Dooling Jr father Tom Sr brothers Russell Harris formed Dooling Brothers Manufacturing Company company produced 25000 model race cars before World War II cars made magnesium aluminum castings some fiberglass tops 50-foot-diameter vacant lot next door company became first Los Angeles race track During war Dooling machine shop worked military contracts including experimental bazookas other classified projects After war Doolings wanted build good model engine four men working full-time two years built least 12 experimental engines cost $50000 dynamometer built model engines cost $3000 12 engines included two-stroke four-stroke types twincylinder Various porting designs intake valving bore-stroke ratios tried four-stroke engine rotating divided tube across top driven train spur gears up rear engine Fuel air compressed case piston came down inducted cylinder through 3600 ports case-supercharging feature also provided lubrication gears bearings engine would start easily rev up 28000 rpm lock up tightthrowing off flywheel would hit floor scoot away like rocket engine finally arrived produced famous Dooling 61 used race cars Control Line Speed airplanes years featured oversquare bore-stroke ratio 1015 bore 750 stroke also featured ball-bearing-supported crankshaft rear-rotary-valve intake needle bearings lower end conrod two piston rings highly domed piston bypass induction through holes piston sidewall Bill Wisniewski won Senior D Speed Nats year Dooling speed 148 mph West Coast flying pals eventually attained speeds 180 mph modifications like Dykes rings flat-top pistons Schnuerle porting ABC alloys outpaced old engines around 1965 tuned pipes OPS engines put cars speeds immediately jumped 170s 180s 200 mphjust did airplanes Dooling also produced nice 29 flew B Speed years too collectors engines now 4Czech-MP JET 061 RC Flight Training Beginner advanced tailored individual long-time modeler full size airplane flight instruc tor will make progress fun easy during week stay beautiful far westem North Carolina Write call information RC Flight Training U 704 3894968 September1996 129 Plain Bearing Glow 5000 5500 6000 Ball Bearing Glow 650070007500 Ball Bearing Diesel 650070007500 engines include silencer Add $500 P&H per Order Visa & Mb OK 7e& Cd Sdctiaa Carison Engine Imports- 814 E Marconi Ave Phoenix Az USA 85022- Ph/Fax 602-863-1684
Edition: Model Aviation - 1996/09
Page Numbers: 128, 129
Edition: Model Aviation - 1996/09
Page Numbers: 128, 129
CONTROL LINE SPEED SPRING What wonderful word us living up long cold winters first Speed contest year two weeks away write early May As usual dont have airplanes ready should Ive working 21 29 40 65 engines Im rechroming some some getting new heads things like havent touched jets since last year want try suction fuel feed instead pressure year Lafayette Esquadrille Control Line Club St Louis has scheduled Speed Racing contest May 19 tried early last year spring flooding put six feet water flying field Buder Park very little snow winter maybe wont happen again Lapping My column about engine-lapping techniques May issue has generated lot interest among RC fliers Several have talked said Gee really works couple picked up 1000 rpm flying prop after removing shiny spots lower part sleeve flier improved Cox engine 23000 rpm 27000 drawings made internal external laps models use theyre necessarily types will work Commercial laps available can purchased industrial-supply firms kind has split-bronze sleeve tapered arbor screw end expands bronze buy oversize turn down outside diameter OD fit sleeve diameter type lap works very well hop-up procedures have facilities make own laps look around check machine-tool supply companies areayou may able find what need Ellipses Speed flyers building 21 Proto models should have quite turnout Nats Im building forgot much work isthe last Proto built old SuperTigre 29-powered model back 60s Im using same elliptical planform wing stabilizer used original Since must have 125 square inches area wing important draw build accurate ellipse can accurately calculate its area area true elliptical wing stab pi 314 multiplied one-half wingspan multiplied one-half chord An approximate method can used check calculations measure chord location 1/6 wingspan wingtip multiply dimension wingspan give area Race Cars may remember gas-powered model race cars popular 40s SOs went fast made lot noise just like airplanes now Some best engines D Speed came race car modelers such Dick McCoy Dooling brothers model cars popular race tracks over country Most think rail tracks vertical- slanted-board tracks flanged rails bolted rails retained guided cars Pairs ball bearings front rear car ran against rails Some tracks allowed six cars race against other Can imagine five six snorting roaring smoke-belching 60-powered cars going against other same time must have wild early Rat Racing would fly four airplanes circle US FAI Speed Team standing L-R Will Naemura Tommy Jerry Thomas test stand measures jet-engine thrust Engine Brown Billy Hughes Junior Bobby Fogg front compresses spring thrust indicated dial 128 Model Aviation Hanbeck built model elliptical wing stab 21 Sport Speed K&B 21 turns 65 x 6 APC prop race car fans just like Speed fliers wanted faster faster models found out tethered cars flat track would go faster wasnt long before rail tracks disappeared Just Control Line speeds started below 100 mph gradually increased glow plugs nitromethane phased Revival Interest tether cars has kindled once again Modelers over country others collecting making race cars engines like before prices original cars engines have skyrocketedthe McCoy Dooling engines like gold heard rumor new race track may built Long Island tracks know present time Anderson Indiana California near Whittier Narrows know almost nothing about race car club rules am trying collect information heard rumor might try organize race Anderson weekend after Control Line Nats could see run isnt far Muncie Anderson dont know car racing faded away wouldnt surprised see revival individuals have new cars produced exactly like old ones have installed engines like K&B RC take side-exhaust nonpiped engines should confused streamliner cars use new Picco engines full tuned pipes cars go 200 mph FAI-type no nitro fuel old side-exhaust ringedengine cars went close 160 mph burning high-nitro fuel wouldnt surprised ABC setup could beat think would fun run old car nostalgia class again Start oldest reference have seen concerning race cars set plans 1936 book called Giant Home Workshop Manual plans tether car called Tiny Tornadoit reached fantastic speed 562 miles per hour designed built Gordon Babb Pasadena California claimed built first midget racer started hobby Tiny Tornado used 10cc modelairplane spark-ignition engine rotated faucet washer against disk drove front wheels Other features included remote carburetor eliminate vapor lock air cleaner packed copper scouring wool roller-bearing-supported wheels spring suspension built balsa hardwood August 1951 issue Air Trails excellent article about Doolings started race car business following information came article Famous film actor Reginald Denny saw car Tom Dooling built 1936 after Tom crashed six seven model airplanes Mr Denny producing Dennymite engines time ordered 25 cars would take Dennymite engine sell Hollywood model shop Tom Dooling Jr father Tom Sr brothers Russell Harris formed Dooling Brothers Manufacturing Company company produced 25000 model race cars before World War II cars made magnesium aluminum castings some fiberglass tops 50-foot-diameter vacant lot next door company became first Los Angeles race track During war Dooling machine shop worked military contracts including experimental bazookas other classified projects After war Doolings wanted build good model engine four men working full-time two years built least 12 experimental engines cost $50000 dynamometer built model engines cost $3000 12 engines included two-stroke four-stroke types twincylinder Various porting designs intake valving bore-stroke ratios tried four-stroke engine rotating divided tube across top driven train spur gears up rear engine Fuel air compressed case piston came down inducted cylinder through 3600 ports case-supercharging feature also provided lubrication gears bearings engine would start easily rev up 28000 rpm lock up tightthrowing off flywheel would hit floor scoot away like rocket engine finally arrived produced famous Dooling 61 used race cars Control Line Speed airplanes years featured oversquare bore-stroke ratio 1015 bore 750 stroke also featured ball-bearing-supported crankshaft rear-rotary-valve intake needle bearings lower end conrod two piston rings highly domed piston bypass induction through holes piston sidewall Bill Wisniewski won Senior D Speed Nats year Dooling speed 148 mph West Coast flying pals eventually attained speeds 180 mph modifications like Dykes rings flat-top pistons Schnuerle porting ABC alloys outpaced old engines around 1965 tuned pipes OPS engines put cars speeds immediately jumped 170s 180s 200 mphjust did airplanes Dooling also produced nice 29 flew B Speed years too collectors engines now 4Czech-MP JET 061 RC Flight Training Beginner advanced tailored individual long-time modeler full size airplane flight instruc tor will make progress fun easy during week stay beautiful far westem North Carolina Write call information RC Flight Training U 704 3894968 September1996 129 Plain Bearing Glow 5000 5500 6000 Ball Bearing Glow 650070007500 Ball Bearing Diesel 650070007500 engines include silencer Add $500 P&H per Order Visa & Mb OK 7e& Cd Sdctiaa Carison Engine Imports- 814 E Marconi Ave Phoenix Az USA 85022- Ph/Fax 602-863-1684
