Radb Control WHEN FIRST started writing magazine wrote about Florida RC Helicopter Association conceived organized magazine rather new dont know got attention article Florida club started out two helicop ter pilots wanting fly others After first organizational meeting year ago last October rainy blowing day helicopter flew However several others did try Now little over year later fly-ins get least 20 fly fact sky full heli copters time sel dom crash last fly-in Miami 11 Heli-Babies Tn-Star 12 Jet Rangers four Gazelles several home-builts Du-Bro 300 flew successfully level flying skill has advanced tremen dously now have members five other southern states meet dif ferent city once sixth weekend makes travel distance somewhat equal develops interest over large area make real effort find need help have tried failed am telling about success Because having ball flying associating together would surprised fast can learn fly has expert help setting up machine given instruc tion flying urge start club state rewards innumerable have tried proven formula set ting up statewide club requires little work little pushing along way others will offer help before realize will part orga nization will bring pleasure interested write will glad help might come meeting fly group Southern California headed up John Gorham has put together very successful Saturday club called Helicopters Anonymous fly Los Angeles Heliport Van Nuys Airport have good working arrangement use space share full-size helicopters John Gorham tells arrangement has mutual benefit Fire Depart ment Helicopters Anonymous live area take machine down some Saturday fly will help you will just ask Speaking helping sure great people sport give time talents help others sure wish could have found some help learning someone asks difficult things fly tell similar balancing bowling ball que stick eyes closed dont believe until try chal lenge what makes sport great Taming Jet Ranger people have commented quickness complex ity Kavan Jet Ranger Because has cases good choice trainer no longer need case Oh know many people have learned fly helicopter difficult trying say least Mr Kavan has spent thousands dollars improving fine helicopter end results worth talking about During Christmas holidays friend Cliff Bennett South Bend Ind came down Florida spend holidays learning fly Jet Ranger brought Jet Ranger box built three days bench-set up spent less five minutes setting blade speed tracking went out flew first attempt spent next few days teaching Cliff fly ran several gallons fuel through out single scratch failure does attest expertise rather fine quality Kavan Jet Ranger availability knowledge products make very gentle helicopter first improvement made install 22-inch length Kavan pushrod guide tubing tail-rotor-flex shaft run prevents shaft whip ping made sleeve 1 long silicone fuel tubing slid over end flex shaft onto transmission couplers end tubing flex shaft held place /8 sleeve tubing slid over will retain lu bricant such Lubraplate prevent electrical noise generating metal-to-metal points good way make sure pushrods exactly same length called lay out length using metric scale 1/16 aluminum sheet Drill sheet required install balls proper size bolts adjust ball-joints rods re quired length method permitted us set up swashplate bench make no adjustments flying field used new four-point take-off swashplatePart #3213A Using mi crometer determine balls installed swashplate identical size will prevent two balls being tighter rest ball-joints causing swashplate hang up particular position replaced balljoints new stronger typePart #3324 good idea secure 2 mm tape thread links very tight push rods difficult adjust Maybe Kavan will offer 2 mm tape parts list soon installed washout control Part #3329 should lubricated operated hand make sure absolutely free binds before installing continued page 88 author Cliff Bennett assembled lat ters Jet Ranger ran off several gallons Cliff learned fly causing scratch 18 Model Aviation mighty fine gaggle helicopters last Fly-In Miami 11 Hell-Babies Tn-Star 12 Jet Rangers Du-Bro 300 attended flew quite successfully stock aerodynamic dampening blades replaced wood onesPart #3318A screwed fly-bars new rotor-head modPart #3328 lock nut installed little Sta hilt Express inner side securing fly-bar balanced rotor blades per second addition manual weight ed tips ead pellets covered installed rotor blades stock blades great hovering cost less lead lag plates re placed 3/32 plywood filed either side almost two Should upset break blades used two set-collarsPart #3313on lead lag bolt front side blade done make leading edge heavier thus less tip stall Lead lag pitch angles set per manual setting pitch angles used three spirit levelsPart #30 17 first deter mined output shaft perfectly vertical can done vertical spirit level square horizontal level Place spirit level blade rein forcement other seesaw mix ing levers Level seesaw secure toothpick wedges Set throttle full low throttle trim full high Adjust blade pitch-arm adjustment zero level Have blades fore aft posi tion can recheck setup rotat ing blade 180 degrees level now output shaft vertical installed 5/8 oz drilled fish sink ers fly-bar held place Du-Bro 5/32 wheel collars Make sure identical dis tances paddles seesaw center Balance fly-bar filing off lead needed lead weights really tame Jet Ranger down As flying skill improves can moved closer center increase sensi tivity used Webra Speed front-rotor wtth Kavan carburetor throttle set ting collective setup done via vtsual gauge described Model via tion January 1976 issue 5/8 throttle barrel half-stick collec tive set lift off half-stick accomplished installed set Schluter floats training gear since didnt have set Kavan floats floats installed leading edge floats front fuselage gives lot protection tail rotor required some front bal last Contrary some rumors floats impair flight characteristics provide cushion land crease ground stability Jet Ranger thus set up took out driveway have tolerant neighbors set idle idle full throttle trim low speed should shut off low idle trim Make sure does real safety factor used K&B 500 fuel Fox idle-bar long plug held tail brought speed up lift-off set blade tracking took two adjustments bring dead set blade speed using Heath Thumbtack tail rotor-blade speed point over 6000 rpms added pitch main rotor blade bring speed down achieve lift-off half-stick order to enrich needle valve somewhat What after 5000 tail-rotor rpms lift-off half stick accomplished took Jet Ranger flying field Needless say homework payed off because flew first attempt adjustment re quired tail-rotor mix flew hands off next few days spent teaching Cliff fly would like recommend take-off method suggested good friend John Gorham says draw square ground larger helicopter student pilot told practice taking off getting outside box Believe method really works forces student become acquainted controls rather short time yet does en danger helicopter As see no mystery setting up Jet Ranger docile little about floats Cliff never tried fly helicopter before am sure can imagine dif ferent attitudes machine landed hard soft going di rection can think floats per mitted helicopter slide spin around did seem adversely affect flight characteristics learned hover however now loops rolls arent flying arent trying address Walt Schoonard 2080 Sharon Rd Winter Park FL 32789 88 Model Aviation Kraftsmanship kit processed AAMCO GOLD BALSAThis Trainer will blow apart hits ground GREATEST R/C SZBASIC TRAINER Design & Kit ALL TIME Ask over 25000 satisfied builders H-RAY dealers sold themSHALL WE SAY MORE Aadres Aircraft Model Co hsc US Ete 1& North St Topsfield Mass 01983 887-8541 RC Helicopters/Schoonard continued page 18 Support AMA Price $3495 kit per dollar bar em itamactimau~MEES1 ix140jjUiABLEI PLAIES plOW A I 2isq taue~ VAR isa hailds fast t tern sell ha L jOgaiiU O TED TEISLERS 381dS earn M atm sad tISSO c YARD BIRD 94t ShERWOOD DR LA GRANGE PARK ILlINOIS 60525 WE PROTECT OUR DEALERS & DISTRIBUTORS NOW AVAILABLE George Aldrichs personal formula Magnum Glow Fuels FAI Econo-Blend 1070% Nitro Totally compatible special Nitro variations quarts gallons drums Dealer 13 cases 52 gals 40-10 Disiributor Standard Discount-100 gal Drums 50% Frt collect $10/Dr deposit Oualified Dealers-Distributors Example Drum Econo-Blend Club-$26430 Dealer-$13230 Fulltime commercial location & listed business phone Glow Plugs 24 dozen size prepaid standard discount3911-326 Write Phone Aldrich Products Inc pricePO Box 1426 listMission Texas 78572 512 585-7681 Flying Near Airports Careful Free Flight Radio Control Flying near airports situation might Involve possibility models being vicinity full-scale aircraft operat ions must avoidedor conducted eliminate dangerous situations Models should flown proximity fullscale aircraft operations unless flyer has someone else him sole purpose watching full-scale aircraft supervising flying prevent accident possibilities PROTECT YOUR RIGHT TO FLYI Sate Flying No Accident I
Edition: Model Aviation - 1976/04
Page Numbers: 18, 88
Radb Control WHEN FIRST started writing magazine wrote about Florida RC Helicopter Association conceived organized magazine rather new dont know got attention article Florida club started out two helicop ter pilots wanting fly others After first organizational meeting year ago last October rainy blowing day helicopter flew However several others did try Now little over year later fly-ins get least 20 fly fact sky full heli copters time sel dom crash last fly-in Miami 11 Heli-Babies Tn-Star 12 Jet Rangers four Gazelles several home-builts Du-Bro 300 flew successfully level flying skill has advanced tremen dously now have members five other southern states meet dif ferent city once sixth weekend makes travel distance somewhat equal develops interest over large area make real effort find need help have tried failed am telling about success Because having ball flying associating together would surprised fast can learn fly has expert help setting up machine given instruc tion flying urge start club state rewards innumerable have tried proven formula set ting up statewide club requires little work little pushing along way others will offer help before realize will part orga nization will bring pleasure interested write will glad help might come meeting fly group Southern California headed up John Gorham has put together very successful Saturday club called Helicopters Anonymous fly Los Angeles Heliport Van Nuys Airport have good working arrangement use space share full-size helicopters John Gorham tells arrangement has mutual benefit Fire Depart ment Helicopters Anonymous live area take machine down some Saturday fly will help you will just ask Speaking helping sure great people sport give time talents help others sure wish could have found some help learning someone asks difficult things fly tell similar balancing bowling ball que stick eyes closed dont believe until try chal lenge what makes sport great Taming Jet Ranger people have commented quickness complex ity Kavan Jet Ranger Because has cases good choice trainer no longer need case Oh know many people have learned fly helicopter difficult trying say least Mr Kavan has spent thousands dollars improving fine helicopter end results worth talking about During Christmas holidays friend Cliff Bennett South Bend Ind came down Florida spend holidays learning fly Jet Ranger brought Jet Ranger box built three days bench-set up spent less five minutes setting blade speed tracking went out flew first attempt spent next few days teaching Cliff fly ran several gallons fuel through out single scratch failure does attest expertise rather fine quality Kavan Jet Ranger availability knowledge products make very gentle helicopter first improvement made install 22-inch length Kavan pushrod guide tubing tail-rotor-flex shaft run prevents shaft whip ping made sleeve 1 long silicone fuel tubing slid over end flex shaft onto transmission couplers end tubing flex shaft held place /8 sleeve tubing slid over will retain lu bricant such Lubraplate prevent electrical noise generating metal-to-metal points good way make sure pushrods exactly same length called lay out length using metric scale 1/16 aluminum sheet Drill sheet required install balls proper size bolts adjust ball-joints rods re quired length method permitted us set up swashplate bench make no adjustments flying field used new four-point take-off swashplatePart #3213A Using mi crometer determine balls installed swashplate identical size will prevent two balls being tighter rest ball-joints causing swashplate hang up particular position replaced balljoints new stronger typePart #3324 good idea secure 2 mm tape thread links very tight push rods difficult adjust Maybe Kavan will offer 2 mm tape parts list soon installed washout control Part #3329 should lubricated operated hand make sure absolutely free binds before installing continued page 88 author Cliff Bennett assembled lat ters Jet Ranger ran off several gallons Cliff learned fly causing scratch 18 Model Aviation mighty fine gaggle helicopters last Fly-In Miami 11 Hell-Babies Tn-Star 12 Jet Rangers Du-Bro 300 attended flew quite successfully stock aerodynamic dampening blades replaced wood onesPart #3318A screwed fly-bars new rotor-head modPart #3328 lock nut installed little Sta hilt Express inner side securing fly-bar balanced rotor blades per second addition manual weight ed tips ead pellets covered installed rotor blades stock blades great hovering cost less lead lag plates re placed 3/32 plywood filed either side almost two Should upset break blades used two set-collarsPart #3313on lead lag bolt front side blade done make leading edge heavier thus less tip stall Lead lag pitch angles set per manual setting pitch angles used three spirit levelsPart #30 17 first deter mined output shaft perfectly vertical can done vertical spirit level square horizontal level Place spirit level blade rein forcement other seesaw mix ing levers Level seesaw secure toothpick wedges Set throttle full low throttle trim full high Adjust blade pitch-arm adjustment zero level Have blades fore aft posi tion can recheck setup rotat ing blade 180 degrees level now output shaft vertical installed 5/8 oz drilled fish sink ers fly-bar held place Du-Bro 5/32 wheel collars Make sure identical dis tances paddles seesaw center Balance fly-bar filing off lead needed lead weights really tame Jet Ranger down As flying skill improves can moved closer center increase sensi tivity used Webra Speed front-rotor wtth Kavan carburetor throttle set ting collective setup done via vtsual gauge described Model via tion January 1976 issue 5/8 throttle barrel half-stick collec tive set lift off half-stick accomplished installed set Schluter floats training gear since didnt have set Kavan floats floats installed leading edge floats front fuselage gives lot protection tail rotor required some front bal last Contrary some rumors floats impair flight characteristics provide cushion land crease ground stability Jet Ranger thus set up took out driveway have tolerant neighbors set idle idle full throttle trim low speed should shut off low idle trim Make sure does real safety factor used K&B 500 fuel Fox idle-bar long plug held tail brought speed up lift-off set blade tracking took two adjustments bring dead set blade speed using Heath Thumbtack tail rotor-blade speed point over 6000 rpms added pitch main rotor blade bring speed down achieve lift-off half-stick order to enrich needle valve somewhat What after 5000 tail-rotor rpms lift-off half stick accomplished took Jet Ranger flying field Needless say homework payed off because flew first attempt adjustment re quired tail-rotor mix flew hands off next few days spent teaching Cliff fly would like recommend take-off method suggested good friend John Gorham says draw square ground larger helicopter student pilot told practice taking off getting outside box Believe method really works forces student become acquainted controls rather short time yet does en danger helicopter As see no mystery setting up Jet Ranger docile little about floats Cliff never tried fly helicopter before am sure can imagine dif ferent attitudes machine landed hard soft going di rection can think floats per mitted helicopter slide spin around did seem adversely affect flight characteristics learned hover however now loops rolls arent flying arent trying address Walt Schoonard 2080 Sharon Rd Winter Park FL 32789 88 Model Aviation Kraftsmanship kit processed AAMCO GOLD BALSAThis Trainer will blow apart hits ground GREATEST R/C SZBASIC TRAINER Design & Kit ALL TIME Ask over 25000 satisfied builders H-RAY dealers sold themSHALL WE SAY MORE Aadres Aircraft Model Co hsc US Ete 1& North St Topsfield Mass 01983 887-8541 RC Helicopters/Schoonard continued page 18 Support AMA Price $3495 kit per dollar bar em itamactimau~MEES1 ix140jjUiABLEI PLAIES plOW A I 2isq taue~ VAR isa hailds fast t tern sell ha L jOgaiiU O TED TEISLERS 381dS earn M atm sad tISSO c YARD BIRD 94t ShERWOOD DR LA GRANGE PARK ILlINOIS 60525 WE PROTECT OUR DEALERS & DISTRIBUTORS NOW AVAILABLE George Aldrichs personal formula Magnum Glow Fuels FAI Econo-Blend 1070% Nitro Totally compatible special Nitro variations quarts gallons drums Dealer 13 cases 52 gals 40-10 Disiributor Standard Discount-100 gal Drums 50% Frt collect $10/Dr deposit Oualified Dealers-Distributors Example Drum Econo-Blend Club-$26430 Dealer-$13230 Fulltime commercial location & listed business phone Glow Plugs 24 dozen size prepaid standard discount3911-326 Write Phone Aldrich Products Inc pricePO Box 1426 listMission Texas 78572 512 585-7681 Flying Near Airports Careful Free Flight Radio Control Flying near airports situation might Involve possibility models being vicinity full-scale aircraft operat ions must avoidedor conducted eliminate dangerous situations Models should flown proximity fullscale aircraft operations unless flyer has someone else him sole purpose watching full-scale aircraft supervising flying prevent accident possibilities PROTECT YOUR RIGHT TO FLYI Sate Flying No Accident I