LAST month discussed subject safety workers pylon course think should take look safety aircraft Obviously airframe should sound straight After few races airframe begins get little war weary thorough inspection basic airframe should performed before heat Some critical areas inspect control surface hinges wing center section stabilizer attach point firewall security loose firewall can cause severe vibration airframe literally shake airframe apart air Loose hinges can cause flutter high speed destroy attached surface seconds Particular attention should paid installation radio equipment battery pack should wrapped foam plastic baggie protect vibration fuel receiver should also wrapped foam plastic well Fifty 70% nitro can destroy battery receiver rather quickly fuel tank springs leak servos should shock mounted servo tray safetied will come loose flight have seen F-i lost because servo tray came loose devises should have keepers insure dont come off control horns short piece fuel tubing stretched over clevis works well pushrod attachments servo should also Continued page 103 April 1979 31 ...y Giertz fuels up preparation Formula race Ship Prather Little Toni powered Supertigre X-40 Tommy also flies CL Speed Picture taken 1978 Nationals young man right Peter Campo tOp Senior age Tiler Quarter Midget 1978 Nate Dad John behind planea Model Merchants Midget Mustang Roasi 15 spinnIng Rev-Up 7SN prop Jerry Small roregrouna cincnes aown wing uuiia un OhS powered LR1A foregroundJohn Jennings doing thing oehlnd Because type scoring AMA class would have received full credit detail superb craftsmanship question point appears Should certain added requirements insure high quality aircraft entered class competition Should follow pattern type rules mandatory advancement Sport Scale after three first place wins force good aircraft fliers class Should better quality trophies higher value prizes AMA class draw entries Manda tory AMA class aircraft exterior cockpit detail added answer Read AMA rule book requirements entering AMA class aircraft has necessary requirements change presentation book make scale ruler enter aircraft AMA class might find youll come out winner Bob Dolly Wischer Rt 1 S-221 Lapham Peak Roa4 Delafleld WI 53018 RC Pylon/Lane continued page 31 keepered Balsa pushrods recommended racing aircraft One-fourth inch dowel fiberglass arrow shafts safest personally like -in dowels The- arrow shafts eventually fatigue constant vibration Another important part aircraft landing gear gear should solidly attached wheels should true free wheeling racer has dumped takeoff has veered left right scattered people and/or destroyed equipment because wheel landing gear has failed Always check prop balance tightness crankshaft before flight sure spinner secure stuff electric starter against loose spinner heck breaks loose spinner prop flying directions blows heat usually may injure guy next Basically have safe plane will probably have safe race Obviously safe plane will eliminate prob lems would otherwise keep concentrating flying winning course Another thing keep mind racing keep airplane least pylon height around course fly below tops pylons dont leave margin error might good idea pilot worked pylons least once see what like racer comes 15 20 feet above ground 150 mph plus guarantee can make want dig hole crawl hurry So race pilots ought give workers fair shake fly couple feet above pylons least cut dont strain racer through pylon time writing NMPRA results looks like Bill Hager will new president 1979 hope everyone NMPRA will give Bill support make 1979 Banner Year NMPRA Lets face way racing can survive participants collectively voice wants needs hope F- 1 QM groups can work together 1979 benefit everyone concerned Someone once said united stand divided fall Go fast turn left RC Helicopters/Chesney continued page 32 right cyclic will course different individual helicopters since copter will vary engine power weight main rotor pitch therefore amount thrust needed counter torque generated combination static set-ups great start dont alarmed must change Now before leave lateral drift might add compensating drift cyclic trim helicopter may appear inclined right left stationary hover RC helicopters exactly full-scale counterparts main rotor shaft rather swash plate would inclined compensate lateral drift fuselage would therefore suspended level attitude during hover effect cyclic compensation less level attitude fuselage machine hovers will cause take offs landings skid first variety Hover practice what frustrating activity Like other skill proficiency flying RC helicopters comes practice work have done far will pay off unless persevere helicopter will try patience time practice efforts will seem worthless machine will seem anything obey commands hang real trick will keep machine piece repair quickly practice sessions can held close gether possible way keeping machine harm use training gear wider stance training gear will help keep machine tipping over didnt use training gear started got pretty good doing repairsparticularly rotor blade repairs training gear can expect least tip-over during practice keep new set rotor blades ready may also desire keep other spares stock Always repair machine quickly Ive found damaged chopper looks worse really pull out spares repair machine get back practice Training flights should made April 1979 103
Edition: Model Aviation - 1979/04
Page Numbers: 31, 103
LAST month discussed subject safety workers pylon course think should take look safety aircraft Obviously airframe should sound straight After few races airframe begins get little war weary thorough inspection basic airframe should performed before heat Some critical areas inspect control surface hinges wing center section stabilizer attach point firewall security loose firewall can cause severe vibration airframe literally shake airframe apart air Loose hinges can cause flutter high speed destroy attached surface seconds Particular attention should paid installation radio equipment battery pack should wrapped foam plastic baggie protect vibration fuel receiver should also wrapped foam plastic well Fifty 70% nitro can destroy battery receiver rather quickly fuel tank springs leak servos should shock mounted servo tray safetied will come loose flight have seen F-i lost because servo tray came loose devises should have keepers insure dont come off control horns short piece fuel tubing stretched over clevis works well pushrod attachments servo should also Continued page 103 April 1979 31 ...y Giertz fuels up preparation Formula race Ship Prather Little Toni powered Supertigre X-40 Tommy also flies CL Speed Picture taken 1978 Nationals young man right Peter Campo tOp Senior age Tiler Quarter Midget 1978 Nate Dad John behind planea Model Merchants Midget Mustang Roasi 15 spinnIng Rev-Up 7SN prop Jerry Small roregrouna cincnes aown wing uuiia un OhS powered LR1A foregroundJohn Jennings doing thing oehlnd Because type scoring AMA class would have received full credit detail superb craftsmanship question point appears Should certain added requirements insure high quality aircraft entered class competition Should follow pattern type rules mandatory advancement Sport Scale after three first place wins force good aircraft fliers class Should better quality trophies higher value prizes AMA class draw entries Manda tory AMA class aircraft exterior cockpit detail added answer Read AMA rule book requirements entering AMA class aircraft has necessary requirements change presentation book make scale ruler enter aircraft AMA class might find youll come out winner Bob Dolly Wischer Rt 1 S-221 Lapham Peak Roa4 Delafleld WI 53018 RC Pylon/Lane continued page 31 keepered Balsa pushrods recommended racing aircraft One-fourth inch dowel fiberglass arrow shafts safest personally like -in dowels The- arrow shafts eventually fatigue constant vibration Another important part aircraft landing gear gear should solidly attached wheels should true free wheeling racer has dumped takeoff has veered left right scattered people and/or destroyed equipment because wheel landing gear has failed Always check prop balance tightness crankshaft before flight sure spinner secure stuff electric starter against loose spinner heck breaks loose spinner prop flying directions blows heat usually may injure guy next Basically have safe plane will probably have safe race Obviously safe plane will eliminate prob lems would otherwise keep concentrating flying winning course Another thing keep mind racing keep airplane least pylon height around course fly below tops pylons dont leave margin error might good idea pilot worked pylons least once see what like racer comes 15 20 feet above ground 150 mph plus guarantee can make want dig hole crawl hurry So race pilots ought give workers fair shake fly couple feet above pylons least cut dont strain racer through pylon time writing NMPRA results looks like Bill Hager will new president 1979 hope everyone NMPRA will give Bill support make 1979 Banner Year NMPRA Lets face way racing can survive participants collectively voice wants needs hope F- 1 QM groups can work together 1979 benefit everyone concerned Someone once said united stand divided fall Go fast turn left RC Helicopters/Chesney continued page 32 right cyclic will course different individual helicopters since copter will vary engine power weight main rotor pitch therefore amount thrust needed counter torque generated combination static set-ups great start dont alarmed must change Now before leave lateral drift might add compensating drift cyclic trim helicopter may appear inclined right left stationary hover RC helicopters exactly full-scale counterparts main rotor shaft rather swash plate would inclined compensate lateral drift fuselage would therefore suspended level attitude during hover effect cyclic compensation less level attitude fuselage machine hovers will cause take offs landings skid first variety Hover practice what frustrating activity Like other skill proficiency flying RC helicopters comes practice work have done far will pay off unless persevere helicopter will try patience time practice efforts will seem worthless machine will seem anything obey commands hang real trick will keep machine piece repair quickly practice sessions can held close gether possible way keeping machine harm use training gear wider stance training gear will help keep machine tipping over didnt use training gear started got pretty good doing repairsparticularly rotor blade repairs training gear can expect least tip-over during practice keep new set rotor blades ready may also desire keep other spares stock Always repair machine quickly Ive found damaged chopper looks worse really pull out spares repair machine get back practice Training flights should made April 1979 103