Radio Control Pennsylvania braves snow y helicopter floats HAVE HAD such tremendous re sponse offering Heli-Baby set-up have decided describe column printing bill getting out hand dont know helicopters have sold US response indicates very large number have gotten hundreds letters happy owners praising super helicopter Florida Heli copter Association have quite few people have trying learn flysome couple years Heli Baby turned trick now enjoying flying cases learn ing process greatly lengthened repair time versus flying time machine easy repair flying time repair time has greatly shortened learning process set-up has worked very well new Heli-Babies repaired ones Power Use engine has plenty power recommend Webra Speed 40 OS Max Schnuerle 40 carbu retor should adjusted start halfthrottle trim should engage clutch full-throttle trim should also ad justed engine can stopped low throttle low trim recommend Semco 202 CBT muffler appropriate adapter Webra Speed 9M adapter has filed flat butt mating engine PVC glue will make perfect seal muffler strap screw should have head facing down Install carburetor pushrod will clear tank muffler adapter Adjust carbureter control arm 90 degrees pushrod throttle servo half position high trim Always fly trim full open clutch will disengage flight recommend Kavan carbu retor very linear easy set up Helicopters Clutch Cooling Fan Use space washer supplied kit determine proper clutch clearance may have elongate motor-mount holes side frames get proper spacing Now remove washer leave out point install start belt Schluter Belt Continental 5x280 Gates Truflex #0 150 #0140 1 install fan shroud both halves flanged right side frame can done bending left rear flanged first front Thus installed make sure clear fan C-clamp place Now center flange drill #43 hole through frame tap 4x40 Install 4x40 Allen cap screw washer shroud now can removed easily flying field vertical lip two shrouds near front can have slot cut retain belt use slot should angled ward fit belt snuggly alignment clutch clutch belt shaft very important should square turn perfectly free Should clutch shaft bearing loose its block little Zap will cure Make sure bearing flush its retaining block before using Zap Rotor Shaft Nylon Gear main rotor shaft installed should have end play Install shaft bearing blocks bolts loose Install nylon gears sure thin washer spacer place above nylon gear Some kits have twouse both Tighten bolt gear pull shaft up tight tighten set screw swash-plate ball output shaft should now free no end play Use piece cigarette paper gauge adjust shaft fore aft until paper tight making sure gear parallel frame opening Now tighten bearing Wall Schoonard blocks Put nuts same side frame will make adjustments later much easier Rotor Head Make sure fly-bar stabilizer bar 90 degrees see saw rotor-head block small set screw retains traverse shaft Re move set screw coat blue Locktite replace Screw enough retain traverse shaft sliding back forth shaft should very free side plates Drill fly-bar pad dles 90 degrees fly-bar tap 4x40 set screw set screw should /s inner side fly-bar un der side Slide fly-bar through head put brass washer side large side Place retainer collar side control arm other Replace control arm set screw bolt like ones blade holders Cut length suit will now take larger Allen wrench can tightened much better Screw paddles holding vertical line up perfectly Tighten 4-40 set screws Balance fly-bar placing rotor head output shaft sliding bar back forth until balance achieved Tighten retaining collar control arm Control arm should parallel paddle center line Install covered balanced blades blade should have identical centers gravity Add tracking foil make sure blades parallel seesaw no lead no lag steel straight-edge held onto seesaw side plates will help adjustment Blades should ab solutely parallel other Now tighten bolts blade mountsones blade live area near sea level 2-degree pitch gauge will work fine Higher areas will need pitchcontinued page 103 16 Model Aviation Flying Jetranger wind slight turn Jim Schweitzer uses single stick qnm tn hna avArvthina undar anntrnL RC Helicopters/Schoonard continued page 16 Attach gauge blade small rub ber band Thick part leading edge sight across fly-bar bring lower side gauge horizontal fly-bar Carefully tighten pitch bolts seesaw recheck pitch Make sure both blades same Remove entire rotor system output shaft support head fly-bar two parallel surfaces Drill end heavy blade enough add weight light blade end Small brads driven blade end fine balanced perfectly install rotor head output shaft tighten bolt Turn collector over small part faces down compress spring swash plate Distance level swash-plate nearest part collector should 35 mm Swash-Plate With servos neutral radio transmitter trims neutral swash-plate should adjusted 90 degrees output shaft way around Adjust servo-throw swash-plate will tilt least 10 mm up down right left Now adjust con trol rod fly-bar fly-bar control lever swash-plate paddles horizontal Tail Rotor tail rotor turning same speed motor some special care will need taken area tail rotor blades should have 1/32 ply wood reinforcement epoxied onto backside holder area Cover paint blades balance carefully pitch-control arm should slide very easily through tail-rotor shaft should also rotate freely pitch-angle plate open up slot should however free burrs bending front edge up rear down pitch-angle plate will let rod move end end servo should give least 90 per cent travel slot Kavan blade-balance collar should placed side tail-rotor shaft next needle bearings transfer wear point outside can lubri cated flight getting belt oily small washer should placed side nylon pitch plate keep heating up melting Set tailrotor blade 0 degrees pitch tailrotor servo should return exact center after command use nyrod tailrotor pushrod Tail Rotor Belt Elongate two lower tail-boom bolt holes frame tail boom will slide easily belt tension should checked frequently Tighten enough will slip under moderate pressure vertical horizontal fins should installed per plans little Zap put clamps keep rotating flight Heli-Baby should balance slightly nose heavy fuel should lift-off half throttle about 9000 rpm tail rotor time reset tracking same should hover half stick less fly way Trial error until blades track perfectly head shakes go through rotor head setup again hope setup will give much pleasure Heli-Baby has Should need further help call will glad help can one-third stick work properly completed ready check out Place heli copter clean smooth surface grass nose downwind Start up engine half-throttle trim low throttle sure hold head start ing safety must helicop ters Hold tail advance full trim Clutch should engage setting Ad vance throttle stick slowly nearly half stick nose should come off ground Lift up about six inches still holding tail check rotor tracking Should blade higher other determine high Stop engine recheck pitch blade lower blade still 2 degrees positive put pitch gauge high blade Disregard what pitch blade use gauge reference de crease pitch high blade AnyFebruary Column Revisited trouble generalizations sometimes thing idea doesnt necessarily fit mold particularly true some thing new comes along case point possible implica tion February issue ballsocket-links equally subject failure working part sooner later whereas actually may sub stantial variation trouble-free life product another due such factors design materials used quality con trol Most particularly manufacturer Ball Link Du-Bro Products Inc May1976 103 COME FLY WITH ME RO HELlS Take pick of beauties except legs y youve never flown before Weve built ve flown ock So prepared tell about pleasures flying own RC Helicopters some problems Well help choose thats right flight plans budget Can Keep Flying stock parts models . anything does go wrong youre never grounded long &jSC MODELER J KUHOBBY SHOP 995 North McLean Avenue Elgin Illinois 60120 Phone 312 697-3737 MAKE MONEY Newsletter works ALL want ads for model builders like First ad FREE Sell buy traderadios engines servos kits parts thing model world market will USAcoast coast THE ACTIVE HOBBYIST Box 192St Ann Missouri 63074 RC Helicopters continued FULL-SIZE PLANS No 141 Blackburn Monoplane$450 RC Scale rendition history-maker wheels floats 40 engine No 142 Eagle I$175 CL holder Sr 1/2A Proto Speed records Uses Cox 049 No 143 Sweepo$275 rubber winning Coupe dHivercan also flown Unlimited No 144 Shark$525 RC conversion JETCO Shark coupled flaps elevators4560 No 145 Japanese Myrt$275 CL Carrier Class II model has extremely clean design Rossi 60 Hinnants F-5 ultimate maneuverability smoothness 60 Pattern job has all $450 Short Seamew 40-powered Class carrier model good prototype lends itself innovations $300 French wench Free Flight classes i /2A 049 051 fully tested design $225 Kioud King 15- 19 RC Old-Timer Free Flight based upon 1936 record breaker FF $400 wiley Post Biplane Petite durable scale design either rubber tail wagger pulse rudderlS225 Harold Ruarks Sportsman RC cabin lob pretty smooth lines 40 powered full-house $450 Vought Kingfisher semi-scale fully stuntable CL model Les King IFor 25 35 enginesl$45O Aeronca K 24 wingspan rubber Indoor Scale old-time lightplane Its done 90 seconds$200 Electric Couldnt done Dick Sarpolus Astro 2S RC job performs pattern$375 Sill Fuoris Quarter Midget House Balsa design modifications faster times$300 Zipper latest CL Scale Racers John Kilsdonk job must racing fans$17 Max-a-Million Ifs fleet free flights problem good A/B FAI$375 Sneat Sport RC glider simple job can flown engine$275 cessna iso Aerobat Step up Half-A CL jobs 09-powered semi-profile easy build$275 Ernie Violetta DH comet CL Scale 1974 Nats first-place winner classic twin$900 Niris An RfZ pattern job takes advantage best esisting criteria$400 Electro-Lite Hal Covers contest-type free flight VTOsHytork electric motor$150 Novice simple beginners A-i Nordic constructed entirely sheet balsa$160 GollyGeeWhiz Dan Rutherfords simple Half-A powered Combat job turns dime$150 Four Beginners Too basic RC trainer 09 1 5s rudder elevator motor controls$300 Cathexia Dave Parsons FAI FF has auto-elevator rudder prop brake$450 Gremlin Sturdy aerobatic RC biplane flies well 35s up 60s$300 Hot Wood Twice Nats winner Rocket all-balsa Jetex-powered job$100 4-Bits 40-powered RC 500 Club Racer has winning ways Good sport too$400 Semi-Pro Contest-winning HL glider has pop-up tail dethermalizer$100 HaIf-Korda rubber John Oldenkamps 1/2-size all-balsa Old-Timer$175 Hooptee Mk Ill John Kilsdonks CL Rat Racer involves latest state-of-the-art$175 SAC Drone Astro-lO electric-powered 80 scale RC powered Glider$400 Komet CL 1/2-A profile semi-scale profile fun flying Mouse Race$200 Rebel update famed deBolt RC kit Rudder/Elevator/Enginefor 1 Sn$275 Altair Class A-B Free Flight conversion data other classes$400 Gee See Model Y 40-powered RC stand-off scale great old-time racers$500 Swiss WW II Fighter 45-inch CL scale-type sport model 29s 35s$650 Callisto superb Standard Class RC sailplane also took Nats first$400 Hyperion Mk V Don Chanceys classic Nordic A-2 competed us team$275 Fieseler Storch RC scale model 23-45 5-channel has both slots flaps$400 Ambivalent RC assist FF 29-35 2 chan. can converted sport$400 Candle Wind Half-A free flight competition type offers looks performance$300 Jaguar FAI 15 Combat English champ offers different configuration$225 Niouport Monoplane Another Hannan cutie CO2 indoor/outdoor Brown single twin$150 Circle numbers plans wish order100101102 104105106107 103 110 117 124 108 109 116 111112113114115 118 125 119 120121 126127 131132134 139 140 128 122123 129 130 138 135136137 141142 143144145 Please print carefully MACA STREET CITY STATE 71 P Price includes first-class postage Send check money order payable Model Aviation AMA 815 Fifteenth St NW Washington DC 20005 states have single failure reported writing February recommendations made ballsocket-links manufacture still much point follow installation instructions manufacturer check periodically wear examine links subject stress following crash particularly hard landing some links may susceptible wear stress damage others Such care will help assure long life linkand model address Walt Schoonard 2080 Sharon Rd. Winter Park FL 32789 Business phone 305-422-1531 home phone 305-647-1335 Cerrection cover blurb March issue stated photo taken author Henry Haffke Actually both cover pix photos article made friend Jay Duncan April cover credited author Hurst Bowers taken Pat Daily ADVERTISER INDEX Ace Radio Control Inc85 Active Hobbyist103 Aldrich Product Inc92 Bantam Model Products Inc102 Big Arts Models102 Cleveland Model & Supply Co.. 101 Cumberland Press94 CYT-4 Industries100 Du-Bro Products Inc96 EK-logictrol89 Flyline Models99 Fox Manufacturing Co90 Fusite Emerson Electric Co97 Carl Goldberg Models26 Grish Brothers90 G-S Products Corp Intl95 Hobby Hideaway90 Jefs Friends88 JASCO87 Kraft Great Lakes Inc91 MACS Show98 Peck-Polymers89 Polks Hobby Dept Stores101 John Pond Old-Time Plan Service -94 Progress Mfg Company92 Satellite City99 SC Modeler Hobby Shop103 Semco Model Engineering58 Sig Mtg Company1 Sterling Models Inc86 Sullivan Products Inc93 Top Flite Model Inc3 VI Products86 Westport International Inc87 Williams Brothers88 World EnginesBack Cover 104 Model Aviation No100 No 101 No 102 No 103 No 104 No105 No 106 No 107 No 105 No 109 No 110 No111 No 112 No 113 No 114 No 115 No 116 No 117 No 118 No 119 No 120 No 121 No 122 No 123 No 124 No 126 No 126 No 127 No 128 No 129 No 130 No 131 No 132 No 134 No 135 No 135 No 137 No 138 No139 No 140
Edition: Model Aviation - 1976/05
Page Numbers: 16, 103, 104
Edition: Model Aviation - 1976/05
Page Numbers: 16, 103, 104
Radio Control Pennsylvania braves snow y helicopter floats HAVE HAD such tremendous re sponse offering Heli-Baby set-up have decided describe column printing bill getting out hand dont know helicopters have sold US response indicates very large number have gotten hundreds letters happy owners praising super helicopter Florida Heli copter Association have quite few people have trying learn flysome couple years Heli Baby turned trick now enjoying flying cases learn ing process greatly lengthened repair time versus flying time machine easy repair flying time repair time has greatly shortened learning process set-up has worked very well new Heli-Babies repaired ones Power Use engine has plenty power recommend Webra Speed 40 OS Max Schnuerle 40 carbu retor should adjusted start halfthrottle trim should engage clutch full-throttle trim should also ad justed engine can stopped low throttle low trim recommend Semco 202 CBT muffler appropriate adapter Webra Speed 9M adapter has filed flat butt mating engine PVC glue will make perfect seal muffler strap screw should have head facing down Install carburetor pushrod will clear tank muffler adapter Adjust carbureter control arm 90 degrees pushrod throttle servo half position high trim Always fly trim full open clutch will disengage flight recommend Kavan carbu retor very linear easy set up Helicopters Clutch Cooling Fan Use space washer supplied kit determine proper clutch clearance may have elongate motor-mount holes side frames get proper spacing Now remove washer leave out point install start belt Schluter Belt Continental 5x280 Gates Truflex #0 150 #0140 1 install fan shroud both halves flanged right side frame can done bending left rear flanged first front Thus installed make sure clear fan C-clamp place Now center flange drill #43 hole through frame tap 4x40 Install 4x40 Allen cap screw washer shroud now can removed easily flying field vertical lip two shrouds near front can have slot cut retain belt use slot should angled ward fit belt snuggly alignment clutch clutch belt shaft very important should square turn perfectly free Should clutch shaft bearing loose its block little Zap will cure Make sure bearing flush its retaining block before using Zap Rotor Shaft Nylon Gear main rotor shaft installed should have end play Install shaft bearing blocks bolts loose Install nylon gears sure thin washer spacer place above nylon gear Some kits have twouse both Tighten bolt gear pull shaft up tight tighten set screw swash-plate ball output shaft should now free no end play Use piece cigarette paper gauge adjust shaft fore aft until paper tight making sure gear parallel frame opening Now tighten bearing Wall Schoonard blocks Put nuts same side frame will make adjustments later much easier Rotor Head Make sure fly-bar stabilizer bar 90 degrees see saw rotor-head block small set screw retains traverse shaft Re move set screw coat blue Locktite replace Screw enough retain traverse shaft sliding back forth shaft should very free side plates Drill fly-bar pad dles 90 degrees fly-bar tap 4x40 set screw set screw should /s inner side fly-bar un der side Slide fly-bar through head put brass washer side large side Place retainer collar side control arm other Replace control arm set screw bolt like ones blade holders Cut length suit will now take larger Allen wrench can tightened much better Screw paddles holding vertical line up perfectly Tighten 4-40 set screws Balance fly-bar placing rotor head output shaft sliding bar back forth until balance achieved Tighten retaining collar control arm Control arm should parallel paddle center line Install covered balanced blades blade should have identical centers gravity Add tracking foil make sure blades parallel seesaw no lead no lag steel straight-edge held onto seesaw side plates will help adjustment Blades should ab solutely parallel other Now tighten bolts blade mountsones blade live area near sea level 2-degree pitch gauge will work fine Higher areas will need pitchcontinued page 103 16 Model Aviation Flying Jetranger wind slight turn Jim Schweitzer uses single stick qnm tn hna avArvthina undar anntrnL RC Helicopters/Schoonard continued page 16 Attach gauge blade small rub ber band Thick part leading edge sight across fly-bar bring lower side gauge horizontal fly-bar Carefully tighten pitch bolts seesaw recheck pitch Make sure both blades same Remove entire rotor system output shaft support head fly-bar two parallel surfaces Drill end heavy blade enough add weight light blade end Small brads driven blade end fine balanced perfectly install rotor head output shaft tighten bolt Turn collector over small part faces down compress spring swash plate Distance level swash-plate nearest part collector should 35 mm Swash-Plate With servos neutral radio transmitter trims neutral swash-plate should adjusted 90 degrees output shaft way around Adjust servo-throw swash-plate will tilt least 10 mm up down right left Now adjust con trol rod fly-bar fly-bar control lever swash-plate paddles horizontal Tail Rotor tail rotor turning same speed motor some special care will need taken area tail rotor blades should have 1/32 ply wood reinforcement epoxied onto backside holder area Cover paint blades balance carefully pitch-control arm should slide very easily through tail-rotor shaft should also rotate freely pitch-angle plate open up slot should however free burrs bending front edge up rear down pitch-angle plate will let rod move end end servo should give least 90 per cent travel slot Kavan blade-balance collar should placed side tail-rotor shaft next needle bearings transfer wear point outside can lubri cated flight getting belt oily small washer should placed side nylon pitch plate keep heating up melting Set tailrotor blade 0 degrees pitch tailrotor servo should return exact center after command use nyrod tailrotor pushrod Tail Rotor Belt Elongate two lower tail-boom bolt holes frame tail boom will slide easily belt tension should checked frequently Tighten enough will slip under moderate pressure vertical horizontal fins should installed per plans little Zap put clamps keep rotating flight Heli-Baby should balance slightly nose heavy fuel should lift-off half throttle about 9000 rpm tail rotor time reset tracking same should hover half stick less fly way Trial error until blades track perfectly head shakes go through rotor head setup again hope setup will give much pleasure Heli-Baby has Should need further help call will glad help can one-third stick work properly completed ready check out Place heli copter clean smooth surface grass nose downwind Start up engine half-throttle trim low throttle sure hold head start ing safety must helicop ters Hold tail advance full trim Clutch should engage setting Ad vance throttle stick slowly nearly half stick nose should come off ground Lift up about six inches still holding tail check rotor tracking Should blade higher other determine high Stop engine recheck pitch blade lower blade still 2 degrees positive put pitch gauge high blade Disregard what pitch blade use gauge reference de crease pitch high blade AnyFebruary Column Revisited trouble generalizations sometimes thing idea doesnt necessarily fit mold particularly true some thing new comes along case point possible implica tion February issue ballsocket-links equally subject failure working part sooner later whereas actually may sub stantial variation trouble-free life product another due such factors design materials used quality con trol Most particularly manufacturer Ball Link Du-Bro Products Inc May1976 103 COME FLY WITH ME RO HELlS Take pick of beauties except legs y youve never flown before Weve built ve flown ock So prepared tell about pleasures flying own RC Helicopters some problems Well help choose thats right flight plans budget Can Keep Flying stock parts models . anything does go wrong youre never grounded long &jSC MODELER J KUHOBBY SHOP 995 North McLean Avenue Elgin Illinois 60120 Phone 312 697-3737 MAKE MONEY Newsletter works ALL want ads for model builders like First ad FREE Sell buy traderadios engines servos kits parts thing model world market will USAcoast coast THE ACTIVE HOBBYIST Box 192St Ann Missouri 63074 RC Helicopters continued FULL-SIZE PLANS No 141 Blackburn Monoplane$450 RC Scale rendition history-maker wheels floats 40 engine No 142 Eagle I$175 CL holder Sr 1/2A Proto Speed records Uses Cox 049 No 143 Sweepo$275 rubber winning Coupe dHivercan also flown Unlimited No 144 Shark$525 RC conversion JETCO Shark coupled flaps elevators4560 No 145 Japanese Myrt$275 CL Carrier Class II model has extremely clean design Rossi 60 Hinnants F-5 ultimate maneuverability smoothness 60 Pattern job has all $450 Short Seamew 40-powered Class carrier model good prototype lends itself innovations $300 French wench Free Flight classes i /2A 049 051 fully tested design $225 Kioud King 15- 19 RC Old-Timer Free Flight based upon 1936 record breaker FF $400 wiley Post Biplane Petite durable scale design either rubber tail wagger pulse rudderlS225 Harold Ruarks Sportsman RC cabin lob pretty smooth lines 40 powered full-house $450 Vought Kingfisher semi-scale fully stuntable CL model Les King IFor 25 35 enginesl$45O Aeronca K 24 wingspan rubber Indoor Scale old-time lightplane Its done 90 seconds$200 Electric Couldnt done Dick Sarpolus Astro 2S RC job performs pattern$375 Sill Fuoris Quarter Midget House Balsa design modifications faster times$300 Zipper latest CL Scale Racers John Kilsdonk job must racing fans$17 Max-a-Million Ifs fleet free flights problem good A/B FAI$375 Sneat Sport RC glider simple job can flown engine$275 cessna iso Aerobat Step up Half-A CL jobs 09-powered semi-profile easy build$275 Ernie Violetta DH comet CL Scale 1974 Nats first-place winner classic twin$900 Niris An RfZ pattern job takes advantage best esisting criteria$400 Electro-Lite Hal Covers contest-type free flight VTOsHytork electric motor$150 Novice simple beginners A-i Nordic constructed entirely sheet balsa$160 GollyGeeWhiz Dan Rutherfords simple Half-A powered Combat job turns dime$150 Four Beginners Too basic RC trainer 09 1 5s rudder elevator motor controls$300 Cathexia Dave Parsons FAI FF has auto-elevator rudder prop brake$450 Gremlin Sturdy aerobatic RC biplane flies well 35s up 60s$300 Hot Wood Twice Nats winner Rocket all-balsa Jetex-powered job$100 4-Bits 40-powered RC 500 Club Racer has winning ways Good sport too$400 Semi-Pro Contest-winning HL glider has pop-up tail dethermalizer$100 HaIf-Korda rubber John Oldenkamps 1/2-size all-balsa Old-Timer$175 Hooptee Mk Ill John Kilsdonks CL Rat Racer involves latest state-of-the-art$175 SAC Drone Astro-lO electric-powered 80 scale RC powered Glider$400 Komet CL 1/2-A profile semi-scale profile fun flying Mouse Race$200 Rebel update famed deBolt RC kit Rudder/Elevator/Enginefor 1 Sn$275 Altair Class A-B Free Flight conversion data other classes$400 Gee See Model Y 40-powered RC stand-off scale great old-time racers$500 Swiss WW II Fighter 45-inch CL scale-type sport model 29s 35s$650 Callisto superb Standard Class RC sailplane also took Nats first$400 Hyperion Mk V Don Chanceys classic Nordic A-2 competed us team$275 Fieseler Storch RC scale model 23-45 5-channel has both slots flaps$400 Ambivalent RC assist FF 29-35 2 chan. can converted sport$400 Candle Wind Half-A free flight competition type offers looks performance$300 Jaguar FAI 15 Combat English champ offers different configuration$225 Niouport Monoplane Another Hannan cutie CO2 indoor/outdoor Brown single twin$150 Circle numbers plans wish order100101102 104105106107 103 110 117 124 108 109 116 111112113114115 118 125 119 120121 126127 131132134 139 140 128 122123 129 130 138 135136137 141142 143144145 Please print carefully MACA STREET CITY STATE 71 P Price includes first-class postage Send check money order payable Model Aviation AMA 815 Fifteenth St NW Washington DC 20005 states have single failure reported writing February recommendations made ballsocket-links manufacture still much point follow installation instructions manufacturer check periodically wear examine links subject stress following crash particularly hard landing some links may susceptible wear stress damage others Such care will help assure long life linkand model address Walt Schoonard 2080 Sharon Rd. Winter Park FL 32789 Business phone 305-422-1531 home phone 305-647-1335 Cerrection cover blurb March issue stated photo taken author Henry Haffke Actually both cover pix photos article made friend Jay Duncan April cover credited author Hurst Bowers taken Pat Daily ADVERTISER INDEX Ace Radio Control Inc85 Active Hobbyist103 Aldrich Product Inc92 Bantam Model Products Inc102 Big Arts Models102 Cleveland Model & Supply Co.. 101 Cumberland Press94 CYT-4 Industries100 Du-Bro Products Inc96 EK-logictrol89 Flyline Models99 Fox Manufacturing Co90 Fusite Emerson Electric Co97 Carl Goldberg Models26 Grish Brothers90 G-S Products Corp Intl95 Hobby Hideaway90 Jefs Friends88 JASCO87 Kraft Great Lakes Inc91 MACS Show98 Peck-Polymers89 Polks Hobby Dept Stores101 John Pond Old-Time Plan Service -94 Progress Mfg Company92 Satellite City99 SC Modeler Hobby Shop103 Semco Model Engineering58 Sig Mtg Company1 Sterling Models Inc86 Sullivan Products Inc93 Top Flite Model Inc3 VI Products86 Westport International Inc87 Williams Brothers88 World EnginesBack Cover 104 Model Aviation No100 No 101 No 102 No 103 No 104 No105 No 106 No 107 No 105 No 109 No 110 No111 No 112 No 113 No 114 No 115 No 116 No 117 No 118 No 119 No 120 No 121 No 122 No 123 No 124 No 126 No 126 No 127 No 128 No 129 No 130 No 131 No 132 No 134 No 135 No 135 No 137 No 138 No139 No 140
Edition: Model Aviation - 1976/05
Page Numbers: 16, 103, 104
Radio Control Pennsylvania braves snow y helicopter floats HAVE HAD such tremendous re sponse offering Heli-Baby set-up have decided describe column printing bill getting out hand dont know helicopters have sold US response indicates very large number have gotten hundreds letters happy owners praising super helicopter Florida Heli copter Association have quite few people have trying learn flysome couple years Heli Baby turned trick now enjoying flying cases learn ing process greatly lengthened repair time versus flying time machine easy repair flying time repair time has greatly shortened learning process set-up has worked very well new Heli-Babies repaired ones Power Use engine has plenty power recommend Webra Speed 40 OS Max Schnuerle 40 carbu retor should adjusted start halfthrottle trim should engage clutch full-throttle trim should also ad justed engine can stopped low throttle low trim recommend Semco 202 CBT muffler appropriate adapter Webra Speed 9M adapter has filed flat butt mating engine PVC glue will make perfect seal muffler strap screw should have head facing down Install carburetor pushrod will clear tank muffler adapter Adjust carbureter control arm 90 degrees pushrod throttle servo half position high trim Always fly trim full open clutch will disengage flight recommend Kavan carbu retor very linear easy set up Helicopters Clutch Cooling Fan Use space washer supplied kit determine proper clutch clearance may have elongate motor-mount holes side frames get proper spacing Now remove washer leave out point install start belt Schluter Belt Continental 5x280 Gates Truflex #0 150 #0140 1 install fan shroud both halves flanged right side frame can done bending left rear flanged first front Thus installed make sure clear fan C-clamp place Now center flange drill #43 hole through frame tap 4x40 Install 4x40 Allen cap screw washer shroud now can removed easily flying field vertical lip two shrouds near front can have slot cut retain belt use slot should angled ward fit belt snuggly alignment clutch clutch belt shaft very important should square turn perfectly free Should clutch shaft bearing loose its block little Zap will cure Make sure bearing flush its retaining block before using Zap Rotor Shaft Nylon Gear main rotor shaft installed should have end play Install shaft bearing blocks bolts loose Install nylon gears sure thin washer spacer place above nylon gear Some kits have twouse both Tighten bolt gear pull shaft up tight tighten set screw swash-plate ball output shaft should now free no end play Use piece cigarette paper gauge adjust shaft fore aft until paper tight making sure gear parallel frame opening Now tighten bearing Wall Schoonard blocks Put nuts same side frame will make adjustments later much easier Rotor Head Make sure fly-bar stabilizer bar 90 degrees see saw rotor-head block small set screw retains traverse shaft Re move set screw coat blue Locktite replace Screw enough retain traverse shaft sliding back forth shaft should very free side plates Drill fly-bar pad dles 90 degrees fly-bar tap 4x40 set screw set screw should /s inner side fly-bar un der side Slide fly-bar through head put brass washer side large side Place retainer collar side control arm other Replace control arm set screw bolt like ones blade holders Cut length suit will now take larger Allen wrench can tightened much better Screw paddles holding vertical line up perfectly Tighten 4-40 set screws Balance fly-bar placing rotor head output shaft sliding bar back forth until balance achieved Tighten retaining collar control arm Control arm should parallel paddle center line Install covered balanced blades blade should have identical centers gravity Add tracking foil make sure blades parallel seesaw no lead no lag steel straight-edge held onto seesaw side plates will help adjustment Blades should ab solutely parallel other Now tighten bolts blade mountsones blade live area near sea level 2-degree pitch gauge will work fine Higher areas will need pitchcontinued page 103 16 Model Aviation Flying Jetranger wind slight turn Jim Schweitzer uses single stick qnm tn hna avArvthina undar anntrnL RC Helicopters/Schoonard continued page 16 Attach gauge blade small rub ber band Thick part leading edge sight across fly-bar bring lower side gauge horizontal fly-bar Carefully tighten pitch bolts seesaw recheck pitch Make sure both blades same Remove entire rotor system output shaft support head fly-bar two parallel surfaces Drill end heavy blade enough add weight light blade end Small brads driven blade end fine balanced perfectly install rotor head output shaft tighten bolt Turn collector over small part faces down compress spring swash plate Distance level swash-plate nearest part collector should 35 mm Swash-Plate With servos neutral radio transmitter trims neutral swash-plate should adjusted 90 degrees output shaft way around Adjust servo-throw swash-plate will tilt least 10 mm up down right left Now adjust con trol rod fly-bar fly-bar control lever swash-plate paddles horizontal Tail Rotor tail rotor turning same speed motor some special care will need taken area tail rotor blades should have 1/32 ply wood reinforcement epoxied onto backside holder area Cover paint blades balance carefully pitch-control arm should slide very easily through tail-rotor shaft should also rotate freely pitch-angle plate open up slot should however free burrs bending front edge up rear down pitch-angle plate will let rod move end end servo should give least 90 per cent travel slot Kavan blade-balance collar should placed side tail-rotor shaft next needle bearings transfer wear point outside can lubri cated flight getting belt oily small washer should placed side nylon pitch plate keep heating up melting Set tailrotor blade 0 degrees pitch tailrotor servo should return exact center after command use nyrod tailrotor pushrod Tail Rotor Belt Elongate two lower tail-boom bolt holes frame tail boom will slide easily belt tension should checked frequently Tighten enough will slip under moderate pressure vertical horizontal fins should installed per plans little Zap put clamps keep rotating flight Heli-Baby should balance slightly nose heavy fuel should lift-off half throttle about 9000 rpm tail rotor time reset tracking same should hover half stick less fly way Trial error until blades track perfectly head shakes go through rotor head setup again hope setup will give much pleasure Heli-Baby has Should need further help call will glad help can one-third stick work properly completed ready check out Place heli copter clean smooth surface grass nose downwind Start up engine half-throttle trim low throttle sure hold head start ing safety must helicop ters Hold tail advance full trim Clutch should engage setting Ad vance throttle stick slowly nearly half stick nose should come off ground Lift up about six inches still holding tail check rotor tracking Should blade higher other determine high Stop engine recheck pitch blade lower blade still 2 degrees positive put pitch gauge high blade Disregard what pitch blade use gauge reference de crease pitch high blade AnyFebruary Column Revisited trouble generalizations sometimes thing idea doesnt necessarily fit mold particularly true some thing new comes along case point possible implica tion February issue ballsocket-links equally subject failure working part sooner later whereas actually may sub stantial variation trouble-free life product another due such factors design materials used quality con trol Most particularly manufacturer Ball Link Du-Bro Products Inc May1976 103 COME FLY WITH ME RO HELlS Take pick of beauties except legs y youve never flown before Weve built ve flown ock So prepared tell about pleasures flying own RC Helicopters some problems Well help choose thats right flight plans budget Can Keep Flying stock parts models . anything does go wrong youre never grounded long &jSC MODELER J KUHOBBY SHOP 995 North McLean Avenue Elgin Illinois 60120 Phone 312 697-3737 MAKE MONEY Newsletter works ALL want ads for model builders like First ad FREE Sell buy traderadios engines servos kits parts thing model world market will USAcoast coast THE ACTIVE HOBBYIST Box 192St Ann Missouri 63074 RC Helicopters continued FULL-SIZE PLANS No 141 Blackburn Monoplane$450 RC Scale rendition history-maker wheels floats 40 engine No 142 Eagle I$175 CL holder Sr 1/2A Proto Speed records Uses Cox 049 No 143 Sweepo$275 rubber winning Coupe dHivercan also flown Unlimited No 144 Shark$525 RC conversion JETCO Shark coupled flaps elevators4560 No 145 Japanese Myrt$275 CL Carrier Class II model has extremely clean design Rossi 60 Hinnants F-5 ultimate maneuverability smoothness 60 Pattern job has all $450 Short Seamew 40-powered Class carrier model good prototype lends itself innovations $300 French wench Free Flight classes i /2A 049 051 fully tested design $225 Kioud King 15- 19 RC Old-Timer Free Flight based upon 1936 record breaker FF $400 wiley Post Biplane Petite durable scale design either rubber tail wagger pulse rudderlS225 Harold Ruarks Sportsman RC cabin lob pretty smooth lines 40 powered full-house $450 Vought Kingfisher semi-scale fully stuntable CL model Les King IFor 25 35 enginesl$45O Aeronca K 24 wingspan rubber Indoor Scale old-time lightplane Its done 90 seconds$200 Electric Couldnt done Dick Sarpolus Astro 2S RC job performs pattern$375 Sill Fuoris Quarter Midget House Balsa design modifications faster times$300 Zipper latest CL Scale Racers John Kilsdonk job must racing fans$17 Max-a-Million Ifs fleet free flights problem good A/B FAI$375 Sneat Sport RC glider simple job can flown engine$275 cessna iso Aerobat Step up Half-A CL jobs 09-powered semi-profile easy build$275 Ernie Violetta DH comet CL Scale 1974 Nats first-place winner classic twin$900 Niris An RfZ pattern job takes advantage best esisting criteria$400 Electro-Lite Hal Covers contest-type free flight VTOsHytork electric motor$150 Novice simple beginners A-i Nordic constructed entirely sheet balsa$160 GollyGeeWhiz Dan Rutherfords simple Half-A powered Combat job turns dime$150 Four Beginners Too basic RC trainer 09 1 5s rudder elevator motor controls$300 Cathexia Dave Parsons FAI FF has auto-elevator rudder prop brake$450 Gremlin Sturdy aerobatic RC biplane flies well 35s up 60s$300 Hot Wood Twice Nats winner Rocket all-balsa Jetex-powered job$100 4-Bits 40-powered RC 500 Club Racer has winning ways Good sport too$400 Semi-Pro Contest-winning HL glider has pop-up tail dethermalizer$100 HaIf-Korda rubber John Oldenkamps 1/2-size all-balsa Old-Timer$175 Hooptee Mk Ill John Kilsdonks CL Rat Racer involves latest state-of-the-art$175 SAC Drone Astro-lO electric-powered 80 scale RC powered Glider$400 Komet CL 1/2-A profile semi-scale profile fun flying Mouse Race$200 Rebel update famed deBolt RC kit Rudder/Elevator/Enginefor 1 Sn$275 Altair Class A-B Free Flight conversion data other classes$400 Gee See Model Y 40-powered RC stand-off scale great old-time racers$500 Swiss WW II Fighter 45-inch CL scale-type sport model 29s 35s$650 Callisto superb Standard Class RC sailplane also took Nats first$400 Hyperion Mk V Don Chanceys classic Nordic A-2 competed us team$275 Fieseler Storch RC scale model 23-45 5-channel has both slots flaps$400 Ambivalent RC assist FF 29-35 2 chan. can converted sport$400 Candle Wind Half-A free flight competition type offers looks performance$300 Jaguar FAI 15 Combat English champ offers different configuration$225 Niouport Monoplane Another Hannan cutie CO2 indoor/outdoor Brown single twin$150 Circle numbers plans wish order100101102 104105106107 103 110 117 124 108 109 116 111112113114115 118 125 119 120121 126127 131132134 139 140 128 122123 129 130 138 135136137 141142 143144145 Please print carefully MACA STREET CITY STATE 71 P Price includes first-class postage Send check money order payable Model Aviation AMA 815 Fifteenth St NW Washington DC 20005 states have single failure reported writing February recommendations made ballsocket-links manufacture still much point follow installation instructions manufacturer check periodically wear examine links subject stress following crash particularly hard landing some links may susceptible wear stress damage others Such care will help assure long life linkand model address Walt Schoonard 2080 Sharon Rd. Winter Park FL 32789 Business phone 305-422-1531 home phone 305-647-1335 Cerrection cover blurb March issue stated photo taken author Henry Haffke Actually both cover pix photos article made friend Jay Duncan April cover credited author Hurst Bowers taken Pat Daily ADVERTISER INDEX Ace Radio Control Inc85 Active Hobbyist103 Aldrich Product Inc92 Bantam Model Products Inc102 Big Arts Models102 Cleveland Model & Supply Co.. 101 Cumberland Press94 CYT-4 Industries100 Du-Bro Products Inc96 EK-logictrol89 Flyline Models99 Fox Manufacturing Co90 Fusite Emerson Electric Co97 Carl Goldberg Models26 Grish Brothers90 G-S Products Corp Intl95 Hobby Hideaway90 Jefs Friends88 JASCO87 Kraft Great Lakes Inc91 MACS Show98 Peck-Polymers89 Polks Hobby Dept Stores101 John Pond Old-Time Plan Service -94 Progress Mfg Company92 Satellite City99 SC Modeler Hobby Shop103 Semco Model Engineering58 Sig Mtg Company1 Sterling Models Inc86 Sullivan Products Inc93 Top Flite Model Inc3 VI Products86 Westport International Inc87 Williams Brothers88 World EnginesBack Cover 104 Model Aviation No100 No 101 No 102 No 103 No 104 No105 No 106 No 107 No 105 No 109 No 110 No111 No 112 No 113 No 114 No 115 No 116 No 117 No 118 No 119 No 120 No 121 No 122 No 123 No 124 No 126 No 126 No 127 No 128 No 129 No 130 No 131 No 132 No 134 No 135 No 135 No 137 No 138 No139 No 140
