CLUB 500 Racing quite popular parts country think reasons simplicity event planes inexpensive easy build make fine sport planes Club 500 Racing has done best has kept simple Such type plane type engine easy follow set rules As types racing thing to go faster next guy some areas can use type engine fuel prop planes going fast some Formula Ones going just few years ago think areas will start decline participants intent type racing have plane new racer get started As event progresses speeds increase grows harder potential new racer get start Stop think about before sit down write nasty note have racing Club 500 type racers last several years dont notice change because have grown event want go faster time move another event like Formula Quarter Midget Dont try change slower events need events beginner Some us can remember Quarter Midget started fun simple easy event almost anyone could fly Now just competitive Formula Think about would like start some racing area have never done type thing few pointers pylon race fun both contes tant worker done correctly short help can get fliers take turns pylons timing run Club 500 type race need about 14 people will need timer plane pylon judge number pylon plane need cut judge number two three pylons also need starter helps have extra man number communicate starter regards cuts etc would also help have someone starter help relay information timers Around use Formula course described AMA rule book Course size selection uv fliers area Continued page 113 June1979 37 Pylon Race workers ShOuld D proxecteonote chain link barricade plywood bottom Author Bill Hager says thatthese officials ought wearing hard hats Note walkie-talkie held official leftused No 1 flagman can immediately notify lap counters cuts Club 500 racers very evenly matched speed potential its p110-- hat counts determining winners IT anything enhances competitivenessnote expressions faces race start Takeoff positions determined drawing straws Text explains manpower needed very comfortable doing inside loops stick movement appears natural Outside ioops quite another story Most pilots have orientation problems difficult figure out just what airplane comes out groove addition pushing stick top box awkward pilots put some aileron deflection same time hope above discussion help Dick Cline some rest Please send favorite/worst problem Ill share everyone else Lets hope potential solutions dont run quite long has Ron Van Putte 12 Connie Drive Shah mar FL 32579 RC Pylon/Hager continued page 37 will need protection workers would suggest use 3/4 plywood barriers need barriers three pylons timers would also recommend use hard hats Someone club may work construction may able borrow hard hats weekend will need flags number pylon must different color color plane should have walkie talkie some means communication between starter number pylon will aid calling cuts etc race ten laps long have room race-horse start best planes take off once enough room must start planes second intervals fast can drop flag will have draw straws flip coin determine takeoff order race over planes have finished ten laps plane has cut pylon must make up lap Two cuts gets zero race Scoring done pointsfirst place 4 points second place 3 points third place 2 points fourth place point zero cutting out finishing Watch out frequency conflicts Fly rounds can person end day has points winner can spice up contest little concession stand will help club earn little money just done local level can have barbecue picnic AMA will send Pylon Racing Contest Procedure Guide asking guide will give run-down safety procedures complete easy understand instructions run race guide put together National Miniature Pylon Racing Associa tion Heres contest report winter contests did attend Tangerine Pylon Races missed good ten rounds very exciting racing no sure winner until very end Fast time 115 Dennis OBrien FirstBob Reuther 2nd J Little 3rdJ Moorehead 4thDennis OBrien 5thClyde Yarbrough 6thG Jacobson want know what going Send us contest reports small write-up about what went will try print can sent directly Bill Hager 5200 Rye Drive Dayton OH 45424 CORRECTION The plan Frank Ful lers Seversky SEV-32 September 1978 shows dihedral angle outer wing panels similar Army P-35 incorrect Fullers machine upper surface wing straight no dihedral throughout its span fuselage weight pod held onto bottom wing 4-40 nylon screw hard landing screw breaks wing bulkhead Something must have worked Warren ended up third Standard Class An impressive bird showed up past contest season Dennis Harveys Starfire Six second places isnt bad track record eighth place out 34 Stan dard Class contest survival paramount isnt bad either Harvey molds own epoxy glass fuse lages Wings styrofoam cores covered 1/64-in plywood Root airfoil NACA 6409 tip airfoil NACA 4411 FOR PIN full-span flaps solid balsa actuated root flaps have unusual feature Harvey labled Pas sively Restrained Flapsan idea en tered LSF Best Technical Achieve ment category last summer flaps will drop 40 degrees reflex 10 degrees However pin wing tip prevents tip reflexing see sketch Therefore flap reflexed flap pinned both ends preventing flutter Startire has 985 wingspan weighs 62 ounces gives relatively high wing loading 128 ounces per square foot does perform well eats up windy weather June1979 113 RC Soaring/Pruss continued page 38
Edition: Model Aviation - 1979/06
Page Numbers: 37, 113
CLUB 500 Racing quite popular parts country think reasons simplicity event planes inexpensive easy build make fine sport planes Club 500 Racing has done best has kept simple Such type plane type engine easy follow set rules As types racing thing to go faster next guy some areas can use type engine fuel prop planes going fast some Formula Ones going just few years ago think areas will start decline participants intent type racing have plane new racer get started As event progresses speeds increase grows harder potential new racer get start Stop think about before sit down write nasty note have racing Club 500 type racers last several years dont notice change because have grown event want go faster time move another event like Formula Quarter Midget Dont try change slower events need events beginner Some us can remember Quarter Midget started fun simple easy event almost anyone could fly Now just competitive Formula Think about would like start some racing area have never done type thing few pointers pylon race fun both contes tant worker done correctly short help can get fliers take turns pylons timing run Club 500 type race need about 14 people will need timer plane pylon judge number pylon plane need cut judge number two three pylons also need starter helps have extra man number communicate starter regards cuts etc would also help have someone starter help relay information timers Around use Formula course described AMA rule book Course size selection uv fliers area Continued page 113 June1979 37 Pylon Race workers ShOuld D proxecteonote chain link barricade plywood bottom Author Bill Hager says thatthese officials ought wearing hard hats Note walkie-talkie held official leftused No 1 flagman can immediately notify lap counters cuts Club 500 racers very evenly matched speed potential its p110-- hat counts determining winners IT anything enhances competitivenessnote expressions faces race start Takeoff positions determined drawing straws Text explains manpower needed very comfortable doing inside loops stick movement appears natural Outside ioops quite another story Most pilots have orientation problems difficult figure out just what airplane comes out groove addition pushing stick top box awkward pilots put some aileron deflection same time hope above discussion help Dick Cline some rest Please send favorite/worst problem Ill share everyone else Lets hope potential solutions dont run quite long has Ron Van Putte 12 Connie Drive Shah mar FL 32579 RC Pylon/Hager continued page 37 will need protection workers would suggest use 3/4 plywood barriers need barriers three pylons timers would also recommend use hard hats Someone club may work construction may able borrow hard hats weekend will need flags number pylon must different color color plane should have walkie talkie some means communication between starter number pylon will aid calling cuts etc race ten laps long have room race-horse start best planes take off once enough room must start planes second intervals fast can drop flag will have draw straws flip coin determine takeoff order race over planes have finished ten laps plane has cut pylon must make up lap Two cuts gets zero race Scoring done pointsfirst place 4 points second place 3 points third place 2 points fourth place point zero cutting out finishing Watch out frequency conflicts Fly rounds can person end day has points winner can spice up contest little concession stand will help club earn little money just done local level can have barbecue picnic AMA will send Pylon Racing Contest Procedure Guide asking guide will give run-down safety procedures complete easy understand instructions run race guide put together National Miniature Pylon Racing Associa tion Heres contest report winter contests did attend Tangerine Pylon Races missed good ten rounds very exciting racing no sure winner until very end Fast time 115 Dennis OBrien FirstBob Reuther 2nd J Little 3rdJ Moorehead 4thDennis OBrien 5thClyde Yarbrough 6thG Jacobson want know what going Send us contest reports small write-up about what went will try print can sent directly Bill Hager 5200 Rye Drive Dayton OH 45424 CORRECTION The plan Frank Ful lers Seversky SEV-32 September 1978 shows dihedral angle outer wing panels similar Army P-35 incorrect Fullers machine upper surface wing straight no dihedral throughout its span fuselage weight pod held onto bottom wing 4-40 nylon screw hard landing screw breaks wing bulkhead Something must have worked Warren ended up third Standard Class An impressive bird showed up past contest season Dennis Harveys Starfire Six second places isnt bad track record eighth place out 34 Stan dard Class contest survival paramount isnt bad either Harvey molds own epoxy glass fuse lages Wings styrofoam cores covered 1/64-in plywood Root airfoil NACA 6409 tip airfoil NACA 4411 FOR PIN full-span flaps solid balsa actuated root flaps have unusual feature Harvey labled Pas sively Restrained Flapsan idea en tered LSF Best Technical Achieve ment category last summer flaps will drop 40 degrees reflex 10 degrees However pin wing tip prevents tip reflexing see sketch Therefore flap reflexed flap pinned both ends preventing flutter Startire has 985 wingspan weighs 62 ounces gives relatively high wing loading 128 ounces per square foot does perform well eats up windy weather June1979 113 RC Soaring/Pruss continued page 38