Scale FUNNY THING happened contest other day seems Stand-oflScale attract ing types aircraftwhich good want flying machines able compete thats what its about Now a-contest summer serious modeler asked could enter helicopter Stand-off Scale anyone else should denied- enter thing helicopter ornithopter thats wing-flapper son everything between problem rules stand less conventional-type air craft think need expand Stand-off AMA Scale rules somehow allow less unorthodox aircraft maybe set side rules speak Helicopters cant dont rule loop roll know its done Mike Bosh Germany saw per formed last years Nats generally speak ing full-size copters dont cant maneu vers like also point bring up standard fixed-wing aircraft some reason able proof should given maneuvers per formed full-size aircraft Im sure C-47 didnt rolls J-3 Cub out-side loops back unorthodox aircraft have done some model copter flying myself am acquainted what average cop ter can compared its full-size counterpart instance smooth take-off course mandatory maneuver figure-eight fly-by etc copter can do- straIght out return touch-and-gosay spot touch set down go take-off capable wingover wingsI think know what Helicopters ALMOST EVERYONE has pet engine invariably install new model build will cases fulfill power needs particulr model however helicopter different breed start favorite engine ran out front fastmoving model never loaded until verti cal climb called Also 11-12 fan turning somewhere near 12000 rpm Walt Schoonard forcing -a great deal cool fresh air over head ideal conditions favor ite engine - None holds true helicopter start engine usually completely closed has loaded condition about 4000 14000 rpm also has muffler radi ating heat like pot-belly stove cooling fan never 3 4 in diameter quite inefficient end result favorite engine has created unbelievable lack power problem lack power makes sloppy control lack blade speed and- untrimmable helicopter Bedause machine wont lift off tail swings around oppo site rotor direction begin add pitch main tail-rotor problem gets worse You-then tweak needle valve get -few revs engine gets hotter sodo After flyless day conclude fault crazy machines friend told would fly anyhow crazy machines will fly beyond wildest imagination Never too much power answer dont mean put down particular helicopter machine designed around specific engine going problem sooner later need power have re-engineer whole set up have discussed problem length now time talk about solution solu tion Schnuerle ported engine best two far Webra Speed 0S Max Schnuerle engines run very cool have broad power curve produce amazing power running blubbering rich recent Florida RC helicopter fly-in were least three well-built properly set up helicopters experts could -not get fly because victims pet engine problems couple others limited specific engine could hardly fly hands experts Dupli cates of machines flying day long difference speak plenty power Schnuerle engines- continued page 84 December1975 31 Bud Atkinson readers let wihes n y ile contest board members cnopper bugs can come up realistic heli something interest scale build copter maneuvers about Walt Schoon ers RC AMA Stand-off Scale Im ard old buddie essence whole thing sure Control-line Scale Ira Keeler 331 Azalea allow everyone type aircraft Way Vacaville Calif 95668 custom building about Hindenburg other maga scain props Nieuport a- B-17 just zine wouldnt something * dirigible about other aircraft scale props r dont know pilot would fly five hand-carved hardwood -very detailed transmitters required movie model also will lathe turn- scale spinners Scale expanding leaps bounds can prop Ira has listing 20-25 stand become popular After what -ard aircraft props such P-51 Spitfire Hellthe-spectators contest want see Realism continued page 74 Straight level gnat eyebrow Pay Peapies guides scratch-built helicopter Autkor states proper treining procedures ate required icIer AND Fieldrester Combined The Plane Saving Gift Automatic charge after discharge 0 restr icted eight transmitter/ four receiver cells cycles devices having up TWENTY cells 0 Cycles transmitter/receiver simultaneous ly separatelygSelectable charge current 25/50 mA- trickle pot S cords remov able neat field operation quick chanje other R/C systems S Includes nine-page manual power cord 90day guarantee $4995 built-in meter $5945 SALES CNPURDY S IaYSTEMS Box 8104004 Tom Read Drive StaA Marietta Ga 300423 Marietta GEORGIA 3iiflt RC Helicopters/Schoonard continued page 31 Trimming Helicopter great deal has printed some publications about training devices table marbles bicycle wheels old shock absorbers furniture casters name dust has cleared away helicopter has set free allowed fly ever going trimmed Out going learn fly must have trimmed helicopter As built machine lets hope gave special attention align ment shafts bearings alignment en gine clutch transmission What am try ing say must line free Any misalignment will mean loss power thereby lack control rotors should spin-free What mean turned should spin freely such turntable good stereo system servos should mounted factory indicates rudder tail-rotor control transmitter neutral tail-rotorcontrol arm should neutral allowing equal travel right left sure command control comes back same neutral after right left command does look bind linkage con trol cable Make sure accomplish fore go further Now set pitch tail-rotor designer indicated roll aileron servo neutral transmitter trim neutral swash plate should level output shaft easy check using small 90-degree square swash-plate output shaft Now make sure fore aft servo ele vator neutral Adjust ball links bring swash-plate perpendicular output shaft direction fly-bar control should now neutral equal travel both directions accomplished make sure fly-bar paddles parallel other swash-plate Now should go through flight controls make sure travel tilt swash-plate meets designers specifications have properly balanced blades simple good method Weigh blade determine natural center grav ity heaviest blade Add enough weight lighter blade make weigh same Move weight around blade get identical center gravity Drill hole hardwood part blade epoxy weight Cover blades assemble head Now balance entire head assembly set lead lag specified Add colored foil blade ends aid tracking Set pitch specified may notice havent said anything about setting up engine carburetor Engine Carburetor criti cal part important carburetor should move freely pushrod should have nylon clevis fastened carburetor arm needs safety made fuel tubing small copper wire just cannot come off during flight pushrod should piece run directly carburetor servo possible carburetor does have good linear response cant modify does replace Kavan am endorsing particular brand really works well right out box Set carburetor will shut off engine transmitter trim control should able start engine throt tle control full slow trim half fast Full trim should engage clutch Operate throttle engine started several times make sure works perfectly Now make sure helicopter balanced specified have done homework prop erly up point best thing get contact good helicopter pilot talk him doing test flights Maybe live out East Burlap some place dont know single other helicopter person world could call possibly could steer onto someone get touch Don Dewey RC Modeler membership list could locate someone said best maybe will have next best self Find clean unobstructed paved area wont bothered spectators Take someone patience help lets try fly work art going need electric starter 12-volt battery recom mend separate power supply glowplug Fill tank K&B 500 fuel sure have filter does leak between tank engine fill tank through filter Turn radio transmitter put motor control full slow trim half Hook up glow power good idea check glow-plug see operating properly should idle-bar type Fox plugs have worked well sure hold rotor starting have very neat start84 Model Aviation L/PFA5L7ILE WWII SCALE AIRCRAFT PLANS Send $100 catalogue containing copy ot Superscale drawing Superscale 6ox 201 Arlington Texas 76012 U ing stand will describe next article engine should start right up should set idle glow heat disconnected good place stand left rear about ten feet helicopter Have helicopter facing wind slowly advance motor trim engage clutch Slowly rev up engine about lift-off speed Check rotor blades tracking should track perfectly smooth operation recommend flying nose tail mean right rudder turns nose right left turns nose left As advance power helicopter may turn way other Trim tail rotor until does change direction add power helicopter slips right left trim swash-plate until helicopter does move right left added power helicopter should rise straight up Add enough power achieve desired altitude Swim ming helicopter can corrected swash plate command set helicopter down remove power slowly should practice lifting helicopter up slowly advancing motor speed gently setting down slowly retarding motor speed instructions have fixed-pitch machine will write later fur ther instruction collective helicopter need further help let hear Director correspondence Walt Schoon ard 2080 Sharon Rd Winter Park Fla 32789 Phone305-647-1335evenings consistently well really demands great upgrading ability will overcome bad luck too much expect am convinced pick good teams year also feel need team selection program weeds out fliers bothered pressure com petition Pressure World Cham pionships greater due strange languages strange field strange food well knowing competi tion greater team selec tion finals Therefore see need finals pressure-packed though language food no problem feel one-day con test pick team insufficient generate pressure hotel following contest team members visited other competitors inspecting ships equipment benefit interpreters Swedes partied night man Olofsson having won Power Dave Rounsaville provided music guitar awarding prizes held Communist Party building center Plovdiv Quite impressive went off quite quickly Afterwards entertained concert con sisting singing dancing playing old period musical instruments dinner held nearby hotel people giving gifts memen tos others fitting end great contest So have weather never determining factor al though overcast windy during fly-off rounds No downpouring rain nor high winds Fliers eastern countries no terpreters time extremely friendly both field hotel stayed can say sure lasting friendships made contest real reason US people have gone contest watch year well past trying US team have chance become world champion fly among best world make friends over world got Eng lish want talk Europeans learn German also wife Jean did invaluable instances during trip team indebted Bob Hatschek j~wNMOWES plANS NOW AVAIABI 2151 plalIStabs /itmu6tO build- jast ot tome mud bmli5 64 TEISLERSj mO YARDBIRD 941 SHERWOOD DR LA GRANCE MRK ILLINOIS 60525 December 1975 85 Free Flight WC/Bogart continued fnm nAnm 7 Bob Hatschek launched US glider flights releases Bob lsaacsons model seven maxes Accidental unlatch dropped lsaacson 32nd 42-man fly-off ROSSI 15RC # CLOSE OUT SPECIAL iT FINLEY DIST 6540 E CENTRAL WICHITA KS61206 ADD 300 PQSTHNDL
Edition: Model Aviation - 1975/12
Page Numbers: 31, 84, 85
Scale FUNNY THING happened contest other day seems Stand-oflScale attract ing types aircraftwhich good want flying machines able compete thats what its about Now a-contest summer serious modeler asked could enter helicopter Stand-off Scale anyone else should denied- enter thing helicopter ornithopter thats wing-flapper son everything between problem rules stand less conventional-type air craft think need expand Stand-off AMA Scale rules somehow allow less unorthodox aircraft maybe set side rules speak Helicopters cant dont rule loop roll know its done Mike Bosh Germany saw per formed last years Nats generally speak ing full-size copters dont cant maneu vers like also point bring up standard fixed-wing aircraft some reason able proof should given maneuvers per formed full-size aircraft Im sure C-47 didnt rolls J-3 Cub out-side loops back unorthodox aircraft have done some model copter flying myself am acquainted what average cop ter can compared its full-size counterpart instance smooth take-off course mandatory maneuver figure-eight fly-by etc copter can do- straIght out return touch-and-gosay spot touch set down go take-off capable wingover wingsI think know what Helicopters ALMOST EVERYONE has pet engine invariably install new model build will cases fulfill power needs particulr model however helicopter different breed start favorite engine ran out front fastmoving model never loaded until verti cal climb called Also 11-12 fan turning somewhere near 12000 rpm Walt Schoonard forcing -a great deal cool fresh air over head ideal conditions favor ite engine - None holds true helicopter start engine usually completely closed has loaded condition about 4000 14000 rpm also has muffler radi ating heat like pot-belly stove cooling fan never 3 4 in diameter quite inefficient end result favorite engine has created unbelievable lack power problem lack power makes sloppy control lack blade speed and- untrimmable helicopter Bedause machine wont lift off tail swings around oppo site rotor direction begin add pitch main tail-rotor problem gets worse You-then tweak needle valve get -few revs engine gets hotter sodo After flyless day conclude fault crazy machines friend told would fly anyhow crazy machines will fly beyond wildest imagination Never too much power answer dont mean put down particular helicopter machine designed around specific engine going problem sooner later need power have re-engineer whole set up have discussed problem length now time talk about solution solu tion Schnuerle ported engine best two far Webra Speed 0S Max Schnuerle engines run very cool have broad power curve produce amazing power running blubbering rich recent Florida RC helicopter fly-in were least three well-built properly set up helicopters experts could -not get fly because victims pet engine problems couple others limited specific engine could hardly fly hands experts Dupli cates of machines flying day long difference speak plenty power Schnuerle engines- continued page 84 December1975 31 Bud Atkinson readers let wihes n y ile contest board members cnopper bugs can come up realistic heli something interest scale build copter maneuvers about Walt Schoon ers RC AMA Stand-off Scale Im ard old buddie essence whole thing sure Control-line Scale Ira Keeler 331 Azalea allow everyone type aircraft Way Vacaville Calif 95668 custom building about Hindenburg other maga scain props Nieuport a- B-17 just zine wouldnt something * dirigible about other aircraft scale props r dont know pilot would fly five hand-carved hardwood -very detailed transmitters required movie model also will lathe turn- scale spinners Scale expanding leaps bounds can prop Ira has listing 20-25 stand become popular After what -ard aircraft props such P-51 Spitfire Hellthe-spectators contest want see Realism continued page 74 Straight level gnat eyebrow Pay Peapies guides scratch-built helicopter Autkor states proper treining procedures ate required icIer AND Fieldrester Combined The Plane Saving Gift Automatic charge after discharge 0 restr icted eight transmitter/ four receiver cells cycles devices having up TWENTY cells 0 Cycles transmitter/receiver simultaneous ly separatelygSelectable charge current 25/50 mA- trickle pot S cords remov able neat field operation quick chanje other R/C systems S Includes nine-page manual power cord 90day guarantee $4995 built-in meter $5945 SALES CNPURDY S IaYSTEMS Box 8104004 Tom Read Drive StaA Marietta Ga 300423 Marietta GEORGIA 3iiflt RC Helicopters/Schoonard continued page 31 Trimming Helicopter great deal has printed some publications about training devices table marbles bicycle wheels old shock absorbers furniture casters name dust has cleared away helicopter has set free allowed fly ever going trimmed Out going learn fly must have trimmed helicopter As built machine lets hope gave special attention align ment shafts bearings alignment en gine clutch transmission What am try ing say must line free Any misalignment will mean loss power thereby lack control rotors should spin-free What mean turned should spin freely such turntable good stereo system servos should mounted factory indicates rudder tail-rotor control transmitter neutral tail-rotorcontrol arm should neutral allowing equal travel right left sure command control comes back same neutral after right left command does look bind linkage con trol cable Make sure accomplish fore go further Now set pitch tail-rotor designer indicated roll aileron servo neutral transmitter trim neutral swash plate should level output shaft easy check using small 90-degree square swash-plate output shaft Now make sure fore aft servo ele vator neutral Adjust ball links bring swash-plate perpendicular output shaft direction fly-bar control should now neutral equal travel both directions accomplished make sure fly-bar paddles parallel other swash-plate Now should go through flight controls make sure travel tilt swash-plate meets designers specifications have properly balanced blades simple good method Weigh blade determine natural center grav ity heaviest blade Add enough weight lighter blade make weigh same Move weight around blade get identical center gravity Drill hole hardwood part blade epoxy weight Cover blades assemble head Now balance entire head assembly set lead lag specified Add colored foil blade ends aid tracking Set pitch specified may notice havent said anything about setting up engine carburetor Engine Carburetor criti cal part important carburetor should move freely pushrod should have nylon clevis fastened carburetor arm needs safety made fuel tubing small copper wire just cannot come off during flight pushrod should piece run directly carburetor servo possible carburetor does have good linear response cant modify does replace Kavan am endorsing particular brand really works well right out box Set carburetor will shut off engine transmitter trim control should able start engine throt tle control full slow trim half fast Full trim should engage clutch Operate throttle engine started several times make sure works perfectly Now make sure helicopter balanced specified have done homework prop erly up point best thing get contact good helicopter pilot talk him doing test flights Maybe live out East Burlap some place dont know single other helicopter person world could call possibly could steer onto someone get touch Don Dewey RC Modeler membership list could locate someone said best maybe will have next best self Find clean unobstructed paved area wont bothered spectators Take someone patience help lets try fly work art going need electric starter 12-volt battery recom mend separate power supply glowplug Fill tank K&B 500 fuel sure have filter does leak between tank engine fill tank through filter Turn radio transmitter put motor control full slow trim half Hook up glow power good idea check glow-plug see operating properly should idle-bar type Fox plugs have worked well sure hold rotor starting have very neat start84 Model Aviation L/PFA5L7ILE WWII SCALE AIRCRAFT PLANS Send $100 catalogue containing copy ot Superscale drawing Superscale 6ox 201 Arlington Texas 76012 U ing stand will describe next article engine should start right up should set idle glow heat disconnected good place stand left rear about ten feet helicopter Have helicopter facing wind slowly advance motor trim engage clutch Slowly rev up engine about lift-off speed Check rotor blades tracking should track perfectly smooth operation recommend flying nose tail mean right rudder turns nose right left turns nose left As advance power helicopter may turn way other Trim tail rotor until does change direction add power helicopter slips right left trim swash-plate until helicopter does move right left added power helicopter should rise straight up Add enough power achieve desired altitude Swim ming helicopter can corrected swash plate command set helicopter down remove power slowly should practice lifting helicopter up slowly advancing motor speed gently setting down slowly retarding motor speed instructions have fixed-pitch machine will write later fur ther instruction collective helicopter need further help let hear Director correspondence Walt Schoon ard 2080 Sharon Rd Winter Park Fla 32789 Phone305-647-1335evenings consistently well really demands great upgrading ability will overcome bad luck too much expect am convinced pick good teams year also feel need team selection program weeds out fliers bothered pressure com petition Pressure World Cham pionships greater due strange languages strange field strange food well knowing competi tion greater team selec tion finals Therefore see need finals pressure-packed though language food no problem feel one-day con test pick team insufficient generate pressure hotel following contest team members visited other competitors inspecting ships equipment benefit interpreters Swedes partied night man Olofsson having won Power Dave Rounsaville provided music guitar awarding prizes held Communist Party building center Plovdiv Quite impressive went off quite quickly Afterwards entertained concert con sisting singing dancing playing old period musical instruments dinner held nearby hotel people giving gifts memen tos others fitting end great contest So have weather never determining factor al though overcast windy during fly-off rounds No downpouring rain nor high winds Fliers eastern countries no terpreters time extremely friendly both field hotel stayed can say sure lasting friendships made contest real reason US people have gone contest watch year well past trying US team have chance become world champion fly among best world make friends over world got Eng lish want talk Europeans learn German also wife Jean did invaluable instances during trip team indebted Bob Hatschek j~wNMOWES plANS NOW AVAIABI 2151 plalIStabs /itmu6tO build- jast ot tome mud bmli5 64 TEISLERSj mO YARDBIRD 941 SHERWOOD DR LA GRANCE MRK ILLINOIS 60525 December 1975 85 Free Flight WC/Bogart continued fnm nAnm 7 Bob Hatschek launched US glider flights releases Bob lsaacsons model seven maxes Accidental unlatch dropped lsaacson 32nd 42-man fly-off ROSSI 15RC # CLOSE OUT SPECIAL iT FINLEY DIST 6540 E CENTRAL WICHITA KS61206 ADD 300 PQSTHNDL
Edition: Model Aviation - 1975/12
Page Numbers: 31, 84, 85
Scale FUNNY THING happened contest other day seems Stand-oflScale attract ing types aircraftwhich good want flying machines able compete thats what its about Now a-contest summer serious modeler asked could enter helicopter Stand-off Scale anyone else should denied- enter thing helicopter ornithopter thats wing-flapper son everything between problem rules stand less conventional-type air craft think need expand Stand-off AMA Scale rules somehow allow less unorthodox aircraft maybe set side rules speak Helicopters cant dont rule loop roll know its done Mike Bosh Germany saw per formed last years Nats generally speak ing full-size copters dont cant maneu vers like also point bring up standard fixed-wing aircraft some reason able proof should given maneuvers per formed full-size aircraft Im sure C-47 didnt rolls J-3 Cub out-side loops back unorthodox aircraft have done some model copter flying myself am acquainted what average cop ter can compared its full-size counterpart instance smooth take-off course mandatory maneuver figure-eight fly-by etc copter can do- straIght out return touch-and-gosay spot touch set down go take-off capable wingover wingsI think know what Helicopters ALMOST EVERYONE has pet engine invariably install new model build will cases fulfill power needs particulr model however helicopter different breed start favorite engine ran out front fastmoving model never loaded until verti cal climb called Also 11-12 fan turning somewhere near 12000 rpm Walt Schoonard forcing -a great deal cool fresh air over head ideal conditions favor ite engine - None holds true helicopter start engine usually completely closed has loaded condition about 4000 14000 rpm also has muffler radi ating heat like pot-belly stove cooling fan never 3 4 in diameter quite inefficient end result favorite engine has created unbelievable lack power problem lack power makes sloppy control lack blade speed and- untrimmable helicopter Bedause machine wont lift off tail swings around oppo site rotor direction begin add pitch main tail-rotor problem gets worse You-then tweak needle valve get -few revs engine gets hotter sodo After flyless day conclude fault crazy machines friend told would fly anyhow crazy machines will fly beyond wildest imagination Never too much power answer dont mean put down particular helicopter machine designed around specific engine going problem sooner later need power have re-engineer whole set up have discussed problem length now time talk about solution solu tion Schnuerle ported engine best two far Webra Speed 0S Max Schnuerle engines run very cool have broad power curve produce amazing power running blubbering rich recent Florida RC helicopter fly-in were least three well-built properly set up helicopters experts could -not get fly because victims pet engine problems couple others limited specific engine could hardly fly hands experts Dupli cates of machines flying day long difference speak plenty power Schnuerle engines- continued page 84 December1975 31 Bud Atkinson readers let wihes n y ile contest board members cnopper bugs can come up realistic heli something interest scale build copter maneuvers about Walt Schoon ers RC AMA Stand-off Scale Im ard old buddie essence whole thing sure Control-line Scale Ira Keeler 331 Azalea allow everyone type aircraft Way Vacaville Calif 95668 custom building about Hindenburg other maga scain props Nieuport a- B-17 just zine wouldnt something * dirigible about other aircraft scale props r dont know pilot would fly five hand-carved hardwood -very detailed transmitters required movie model also will lathe turn- scale spinners Scale expanding leaps bounds can prop Ira has listing 20-25 stand become popular After what -ard aircraft props such P-51 Spitfire Hellthe-spectators contest want see Realism continued page 74 Straight level gnat eyebrow Pay Peapies guides scratch-built helicopter Autkor states proper treining procedures ate required icIer AND Fieldrester Combined The Plane Saving Gift Automatic charge after discharge 0 restr icted eight transmitter/ four receiver cells cycles devices having up TWENTY cells 0 Cycles transmitter/receiver simultaneous ly separatelygSelectable charge current 25/50 mA- trickle pot S cords remov able neat field operation quick chanje other R/C systems S Includes nine-page manual power cord 90day guarantee $4995 built-in meter $5945 SALES CNPURDY S IaYSTEMS Box 8104004 Tom Read Drive StaA Marietta Ga 300423 Marietta GEORGIA 3iiflt RC Helicopters/Schoonard continued page 31 Trimming Helicopter great deal has printed some publications about training devices table marbles bicycle wheels old shock absorbers furniture casters name dust has cleared away helicopter has set free allowed fly ever going trimmed Out going learn fly must have trimmed helicopter As built machine lets hope gave special attention align ment shafts bearings alignment en gine clutch transmission What am try ing say must line free Any misalignment will mean loss power thereby lack control rotors should spin-free What mean turned should spin freely such turntable good stereo system servos should mounted factory indicates rudder tail-rotor control transmitter neutral tail-rotorcontrol arm should neutral allowing equal travel right left sure command control comes back same neutral after right left command does look bind linkage con trol cable Make sure accomplish fore go further Now set pitch tail-rotor designer indicated roll aileron servo neutral transmitter trim neutral swash plate should level output shaft easy check using small 90-degree square swash-plate output shaft Now make sure fore aft servo ele vator neutral Adjust ball links bring swash-plate perpendicular output shaft direction fly-bar control should now neutral equal travel both directions accomplished make sure fly-bar paddles parallel other swash-plate Now should go through flight controls make sure travel tilt swash-plate meets designers specifications have properly balanced blades simple good method Weigh blade determine natural center grav ity heaviest blade Add enough weight lighter blade make weigh same Move weight around blade get identical center gravity Drill hole hardwood part blade epoxy weight Cover blades assemble head Now balance entire head assembly set lead lag specified Add colored foil blade ends aid tracking Set pitch specified may notice havent said anything about setting up engine carburetor Engine Carburetor criti cal part important carburetor should move freely pushrod should have nylon clevis fastened carburetor arm needs safety made fuel tubing small copper wire just cannot come off during flight pushrod should piece run directly carburetor servo possible carburetor does have good linear response cant modify does replace Kavan am endorsing particular brand really works well right out box Set carburetor will shut off engine transmitter trim control should able start engine throt tle control full slow trim half fast Full trim should engage clutch Operate throttle engine started several times make sure works perfectly Now make sure helicopter balanced specified have done homework prop erly up point best thing get contact good helicopter pilot talk him doing test flights Maybe live out East Burlap some place dont know single other helicopter person world could call possibly could steer onto someone get touch Don Dewey RC Modeler membership list could locate someone said best maybe will have next best self Find clean unobstructed paved area wont bothered spectators Take someone patience help lets try fly work art going need electric starter 12-volt battery recom mend separate power supply glowplug Fill tank K&B 500 fuel sure have filter does leak between tank engine fill tank through filter Turn radio transmitter put motor control full slow trim half Hook up glow power good idea check glow-plug see operating properly should idle-bar type Fox plugs have worked well sure hold rotor starting have very neat start84 Model Aviation L/PFA5L7ILE WWII SCALE AIRCRAFT PLANS Send $100 catalogue containing copy ot Superscale drawing Superscale 6ox 201 Arlington Texas 76012 U ing stand will describe next article engine should start right up should set idle glow heat disconnected good place stand left rear about ten feet helicopter Have helicopter facing wind slowly advance motor trim engage clutch Slowly rev up engine about lift-off speed Check rotor blades tracking should track perfectly smooth operation recommend flying nose tail mean right rudder turns nose right left turns nose left As advance power helicopter may turn way other Trim tail rotor until does change direction add power helicopter slips right left trim swash-plate until helicopter does move right left added power helicopter should rise straight up Add enough power achieve desired altitude Swim ming helicopter can corrected swash plate command set helicopter down remove power slowly should practice lifting helicopter up slowly advancing motor speed gently setting down slowly retarding motor speed instructions have fixed-pitch machine will write later fur ther instruction collective helicopter need further help let hear Director correspondence Walt Schoon ard 2080 Sharon Rd Winter Park Fla 32789 Phone305-647-1335evenings consistently well really demands great upgrading ability will overcome bad luck too much expect am convinced pick good teams year also feel need team selection program weeds out fliers bothered pressure com petition Pressure World Cham pionships greater due strange languages strange field strange food well knowing competi tion greater team selec tion finals Therefore see need finals pressure-packed though language food no problem feel one-day con test pick team insufficient generate pressure hotel following contest team members visited other competitors inspecting ships equipment benefit interpreters Swedes partied night man Olofsson having won Power Dave Rounsaville provided music guitar awarding prizes held Communist Party building center Plovdiv Quite impressive went off quite quickly Afterwards entertained concert con sisting singing dancing playing old period musical instruments dinner held nearby hotel people giving gifts memen tos others fitting end great contest So have weather never determining factor al though overcast windy during fly-off rounds No downpouring rain nor high winds Fliers eastern countries no terpreters time extremely friendly both field hotel stayed can say sure lasting friendships made contest real reason US people have gone contest watch year well past trying US team have chance become world champion fly among best world make friends over world got Eng lish want talk Europeans learn German also wife Jean did invaluable instances during trip team indebted Bob Hatschek j~wNMOWES plANS NOW AVAIABI 2151 plalIStabs /itmu6tO build- jast ot tome mud bmli5 64 TEISLERSj mO YARDBIRD 941 SHERWOOD DR LA GRANCE MRK ILLINOIS 60525 December 1975 85 Free Flight WC/Bogart continued fnm nAnm 7 Bob Hatschek launched US glider flights releases Bob lsaacsons model seven maxes Accidental unlatch dropped lsaacson 32nd 42-man fly-off ROSSI 15RC # CLOSE OUT SPECIAL iT FINLEY DIST 6540 E CENTRAL WICHITA KS61206 ADD 300 PQSTHNDL