Radio Control HELICOPTERS Dave Chesney LAST MONTH mentioned must have doing something wrong regarding setup clutch assembly Kalt 20 1 received several comments about column uncom plimentary no suggestions best remedy problem did talk Circus Hobbies people Toledo Show found situation uniquethe last 500 Baron 20 kits now have modified fan assemblies should cure misaligned-clutch dilemma fix has worked out since column writ ten Ill probably replace fan have opportunity other point did mention regard ing Baron 20 clutch upon examination found clutch shoes gone shoes evidently parted company clutch worn away misalignment Marty Barry Circus Hobbies advised too reported recommended since CyA adhesive doesnt stand up heat epoxy should used instead Now have run about 16 tanks fuel new record since replacing shoes last time using CyA instructed page five Kalt instruc tion booklet Hot Stuff seems hold ing have problems might try Martys suggestion George Myers sent letter photo about Kalt suggesting modification fore/aft cyclic input claims reduces slop control system think photo aft bellcrank location self-explanatory can probably dupli cated using off-the-shelf control arms such /2A nose wheel steering arms piano wire Dont forget file flats wire set screw will lock arms correct position George didnt detail mod necessary might wish contact him about installation also explained fliers area unim pressed Baron 20s flight character istics until added Bell/Hiller mixer Kalt Part No KB2AOI $995not shown Georges photo mixer allows per centages Hiller input servo rotor flybar direct Bell input blades swash plate mixer available Circus Hobbies must really make difference although wouldnt knowmy Baron 20 never flew Bailey Harris sent along photo flybarless head Baronette photo way shows Bell/Hiller mixer de scribed above Bailey reports little advan tage using flybarless head does look neat cleaning head flybar will make proposed Bell Long Ranger scale ship look scalelike Loy Harris sends us photos Helicopter fleet West Germany L Kalt Baronette small really great since car tool Closeup R business end machine reveals Loy using Bell/Miller mixer described column Are two heads better Well rate theyre different although Baron 20 left illustrates mod MAS own George Myers hes revised fore/aft cyclic control input swash plateclaims reduces slop control system Careful comparison photo toy Harris machine will show parts have beerirevised4 Note too Georges machine also does have Bell/Miller mixer can also see engine con easily removed Baron 20 bottom disturbing fan shroud photo right shows Bailey Harris scratch-built flybarless head chopper New head requires use Bell mixer recommended add-on standard Baron 20 head Mixer assembly slides up down rotor shaft f collective p4tchchanges pivots pitch-arm attachment points cyclic pitch control 52 Model Aviation interested head based Kalts K-IRD flybarless head uses blade axles blade holders Kalt Baron 20 kit Weighted rotor blades must used make both rotor system flight characteristics manageable Anyone inter ested can drop line details Ill caution system better suited advanced fliers Bailey promises some photos Long Ranger wraparound fuse lage available Baronette Eiigland about $125 seems Baron 20 Baronette very popular overseas according Circus Hobbies gaining large fol lowing country Loy Harris no re lation Bailey sent letter month ago station Germany fol lowed up few photos Baronette Loy reported Kalt flew right off boardbut unfortunately under radio control seems radio quit just liftoff Baronette free-flighted until its encounter immovable object See ing little machine fly itself has hooked Loy RC choppers Baron 20 now asking correspondence other owners address Loy D Harris Box 164 HHC 307B ASA BN APO NY 09279 Loy using Ace RC Inc Silver Seven transmitter mixers World servos Baronette looks forward next flights letters considering buying Baron 20 seems hot setup OS Max 28 FSR Bell/Hiller mixer KB2AOI Reports inverted flying other aerobatics using Baron 20 keep floating around yet Ive managed loop Marty Barry Circus reports another hot set-up using components Baron 50 Apparently some fliers using Baron 50 KB5806 blades cut 18 Bell Hiller mixer 60-size machine suitable hot engine like 05 28 FSR 28H Since word mixer' comes up again Ill have say indications Baron 50 mixer apparently unit Bailey Harris has mentioned time time looking Circus/Kalt ads appears Baron 50 mixer allows greater range Bell-to-Hiller mix ratios although havent tried yet Continued page 156 Nor~ AVIONIUS ACCUTACH 1 LCD TALEFULL2 MONITOR DI METE R .SCALRQUICK TACHVOLTME get continuoDetermine star CHARGE adMakes e RPM thru topend adjustmentcharg9 Ni ith-it possibl accuratbatteries wsafely peak bar e bY out Sel Quci- te COat- pack fast cha altwith dual sakeor OX 10%RXb alitilectronlcs watching tiny V capabili premboSage dr full charge sionop sig als ORDER YOURS NOW 7995d Send check money order no CODs 10 NorCal AVIONICS inc PO Box 70956 yvale CA 94086 California residents add 60/v lax Add $300 shipping outside continental USA Dealer inquiries invited July 1983 53 Baron 20 flying hats available red blue yellow green FRANCO 2118 Archdale Dr Charlotte NC 28210 Other chopper prints available hats shirtswrite Get install dont take off Ken Willard RCM SERVO GARD sERvO GARO monitors airborne flight hettery peck voltage meli radio signal received transmitter receiver malfunction detected part system SERVO GARD reduces throttle autentativeily ample time before battery failure safely lend model SPECIFICATIONS Size unit installed KPS-14 servo case easy instailation Just plug throttle sorvo output Weight Approx 1 oz Sensitivity Accurate within 02 Volts Servo Pulse unit shipped positive pulse systems negative puise available upon request SERVO GARD comes complete pre-wired pigtails servo connectors choice installed specify connector type order SEE YOUR DEAL ER OR ORDER DIRECT DEALER INOUIRIES IN VI TED Price $3795 Postpaid Specify connector type positive negative pulse ordering ENDORSED BY THE SPIRIT OF AMERICA SHOW TEAM LIMA OHIO R F Enterprises 706 N Main St Arlington OH 45814 419 365-5065 The Best Custom Screen Sportswear Latest Design See Us NATS just some avaition designs available top quality line sportswear designs direct print eat transferl Gee Bee.P-4O Warhwks. Fokker DVII . P38. Christen Eagle -- Pitts Special . Citabria AT-6 P-47. Steerman. is Jenny . Corsair . Coaches Shirt$1295T-Shirt$695 Ladies Top$B50Long Sleeve T$7S5 Shorts$595BeseballSS95 Lined Jecket$2195FootballS895 Tote Bog$795Sweetshirt$950 Tire Cover$1495Hooded Sweat$1495 Het$S95 IWide choice colors sizesl Send $100 new illustrated Brochure Retundsbie First Order Name Address CityStateZip DesignSize Color now accept MasterCard & Visa TO ORDER Send check money order add 10% postagelhandling MD res 5% tax OR CALL COLLECT after 4pm write Phase Art 17102 Earlham Ct. Upper Marlboro MD 20772 301627-5118 adequately individual basis books mentioned dont have answers sure have lot Engine mounting got letter Wen dell Hostetler back contained some Interesting comments engine mounting following portion letter have always gut feeling full-scale planes cars use shockmounting system should Giant Scale mounting system shown plans has adequate maybe nec essarily superior solid firewall mount engines up 24 ad past three years have done lot flying custom 37 & 43 cu Kioritz engines larger engines have giving vibration real fight number little things have gone wrong larger engines planes use almost excepion bugs traced vibration About middle summer 1982 BB made concentrated effort solve vibration problem pur chased used several types Lord mounts installed various ways able reduce almost eliminate vibration airframe expense excessive vibration engine Over period six eight flights engines shaking themselves apart After much experimentation reverted solid fire wall engine mounting solid mounting unquestionably superior way go larger engines conclude dif ference between model applications full-scale use one-cylinder en gines herein lies difference Al though still vibration solidmount system tolerable enjoying good success have always felt long run solid mount airframe built absorb vibration superior attempt shock-mounting Wendell has come up some useful experience subject put finger what think key point using one-lungers simul taneous firing opposed twin might dif ferent matter Need machined parts Youve heard say times Giant Scale models much like full-scale aircraft Ily Ilike real airplanes ways can should built like real air planes particularly true high stress areas like landing gear strut fittings engine mounts exhaust systems etc some Items nature available com mercially always suitable particular scale subject Sometimes item will too large fit available space will visible just too non-scalelike acceptable such cases best often solution make reduced-size version original fitting structure using mate rials strong enough take stresses volved usually means metalworking some sort Most modelers can handle work involved example bending landine ecar 57~-in wire though seldom have since such items readily available what about 5/16 wire needed Giant Scale point cast forged welded machined parts needed true operational replicas real thing Few us have skills equipment needed kind work depend needed items being included kits buy being available models being built someone elses plans want design build scratch some times have give up favorite projects because cant make parts need recently got note Bob Demitz St Louis bears subject ineluded little flyer outfit called Mason Machine Phoenix AZ custom fabricating quantities several machine shops dont want talk about anything less hundreds sounds have experience equipment anything might need have no direct experience work Bob says has using work good price right need something like cant hurt check out Write Mason Machine 3439 W Michigan Ave Phoenix AZ 85023 Quantico Scale Rally Fifth Annual Scale Rally Marine Air Museum Quantico VA scheduled July 9 10 1983 event sponsored United States Marine Corps North ern Virginia RC Club event open Sport Scale model another example Giant Scale rapidly taking over special feature event Gemein hardt Trophy awarded Marine Corps best model aircraft ever flown Marines turns out surprisingly long list both Navy Army types information write CD Ed Bycrlcy 200 Commander Cove Staf ford VA 22554 call him 703 659-6469 Bob Beckman 8248 Holly Grove Ct Manassas VA 22110 RC Helicopters/Chesney Continued page 53 will caution planning install standard mixer Baronette collective pitch range reduced additional servo throw will necessary bring back collective range may have used mixer arms symmetrical collective pickup point going blades should point closest pivot hole order get max imum collective range still will prob ably have increase collective yoke throw bring things back collective range available unmixed Hiller rotor system Finally want say have appar ently ruffled few feathers regard last months column George Myers couldnt figure out impressed Baron 20 Perhaps George oth ers might like reread some earlier columns about machine Since seldom fly crowded flying site few see grin wear Im flying Baronette Lots grin about Toledo year See next month Dave Chesney PO Box 16612 Greensboro NC 27406 RC Pylon Racing/Hager Continued page 55 Sunday skies cloudy racing began about 1000 am 156 Model Aviation a
Edition: Model Aviation - 1983/07
Page Numbers: 52, 53, 156
Radio Control HELICOPTERS Dave Chesney LAST MONTH mentioned must have doing something wrong regarding setup clutch assembly Kalt 20 1 received several comments about column uncom plimentary no suggestions best remedy problem did talk Circus Hobbies people Toledo Show found situation uniquethe last 500 Baron 20 kits now have modified fan assemblies should cure misaligned-clutch dilemma fix has worked out since column writ ten Ill probably replace fan have opportunity other point did mention regard ing Baron 20 clutch upon examination found clutch shoes gone shoes evidently parted company clutch worn away misalignment Marty Barry Circus Hobbies advised too reported recommended since CyA adhesive doesnt stand up heat epoxy should used instead Now have run about 16 tanks fuel new record since replacing shoes last time using CyA instructed page five Kalt instruc tion booklet Hot Stuff seems hold ing have problems might try Martys suggestion George Myers sent letter photo about Kalt suggesting modification fore/aft cyclic input claims reduces slop control system think photo aft bellcrank location self-explanatory can probably dupli cated using off-the-shelf control arms such /2A nose wheel steering arms piano wire Dont forget file flats wire set screw will lock arms correct position George didnt detail mod necessary might wish contact him about installation also explained fliers area unim pressed Baron 20s flight character istics until added Bell/Hiller mixer Kalt Part No KB2AOI $995not shown Georges photo mixer allows per centages Hiller input servo rotor flybar direct Bell input blades swash plate mixer available Circus Hobbies must really make difference although wouldnt knowmy Baron 20 never flew Bailey Harris sent along photo flybarless head Baronette photo way shows Bell/Hiller mixer de scribed above Bailey reports little advan tage using flybarless head does look neat cleaning head flybar will make proposed Bell Long Ranger scale ship look scalelike Loy Harris sends us photos Helicopter fleet West Germany L Kalt Baronette small really great since car tool Closeup R business end machine reveals Loy using Bell/Miller mixer described column Are two heads better Well rate theyre different although Baron 20 left illustrates mod MAS own George Myers hes revised fore/aft cyclic control input swash plateclaims reduces slop control system Careful comparison photo toy Harris machine will show parts have beerirevised4 Note too Georges machine also does have Bell/Miller mixer can also see engine con easily removed Baron 20 bottom disturbing fan shroud photo right shows Bailey Harris scratch-built flybarless head chopper New head requires use Bell mixer recommended add-on standard Baron 20 head Mixer assembly slides up down rotor shaft f collective p4tchchanges pivots pitch-arm attachment points cyclic pitch control 52 Model Aviation interested head based Kalts K-IRD flybarless head uses blade axles blade holders Kalt Baron 20 kit Weighted rotor blades must used make both rotor system flight characteristics manageable Anyone inter ested can drop line details Ill caution system better suited advanced fliers Bailey promises some photos Long Ranger wraparound fuse lage available Baronette Eiigland about $125 seems Baron 20 Baronette very popular overseas according Circus Hobbies gaining large fol lowing country Loy Harris no re lation Bailey sent letter month ago station Germany fol lowed up few photos Baronette Loy reported Kalt flew right off boardbut unfortunately under radio control seems radio quit just liftoff Baronette free-flighted until its encounter immovable object See ing little machine fly itself has hooked Loy RC choppers Baron 20 now asking correspondence other owners address Loy D Harris Box 164 HHC 307B ASA BN APO NY 09279 Loy using Ace RC Inc Silver Seven transmitter mixers World servos Baronette looks forward next flights letters considering buying Baron 20 seems hot setup OS Max 28 FSR Bell/Hiller mixer KB2AOI Reports inverted flying other aerobatics using Baron 20 keep floating around yet Ive managed loop Marty Barry Circus reports another hot set-up using components Baron 50 Apparently some fliers using Baron 50 KB5806 blades cut 18 Bell Hiller mixer 60-size machine suitable hot engine like 05 28 FSR 28H Since word mixer' comes up again Ill have say indications Baron 50 mixer apparently unit Bailey Harris has mentioned time time looking Circus/Kalt ads appears Baron 50 mixer allows greater range Bell-to-Hiller mix ratios although havent tried yet Continued page 156 Nor~ AVIONIUS ACCUTACH 1 LCD TALEFULL2 MONITOR DI METE R .SCALRQUICK TACHVOLTME get continuoDetermine star CHARGE adMakes e RPM thru topend adjustmentcharg9 Ni ith-it possibl accuratbatteries wsafely peak bar e bY out Sel Quci- te COat- pack fast cha altwith dual sakeor OX 10%RXb alitilectronlcs watching tiny V capabili premboSage dr full charge sionop sig als ORDER YOURS NOW 7995d Send check money order no CODs 10 NorCal AVIONICS inc PO Box 70956 yvale CA 94086 California residents add 60/v lax Add $300 shipping outside continental USA Dealer inquiries invited July 1983 53 Baron 20 flying hats available red blue yellow green FRANCO 2118 Archdale Dr Charlotte NC 28210 Other chopper prints available hats shirtswrite Get install dont take off Ken Willard RCM SERVO GARD sERvO GARO monitors airborne flight hettery peck voltage meli radio signal received transmitter receiver malfunction detected part system SERVO GARD reduces throttle autentativeily ample time before battery failure safely lend model SPECIFICATIONS Size unit installed KPS-14 servo case easy instailation Just plug throttle sorvo output Weight Approx 1 oz Sensitivity Accurate within 02 Volts Servo Pulse unit shipped positive pulse systems negative puise available upon request SERVO GARD comes complete pre-wired pigtails servo connectors choice installed specify connector type order SEE YOUR DEAL ER OR ORDER DIRECT DEALER INOUIRIES IN VI TED Price $3795 Postpaid Specify connector type positive negative pulse ordering ENDORSED BY THE SPIRIT OF AMERICA SHOW TEAM LIMA OHIO R F Enterprises 706 N Main St Arlington OH 45814 419 365-5065 The Best Custom Screen Sportswear Latest Design See Us NATS just some avaition designs available top quality line sportswear designs direct print eat transferl Gee Bee.P-4O Warhwks. Fokker DVII . P38. Christen Eagle -- Pitts Special . Citabria AT-6 P-47. Steerman. is Jenny . Corsair . Coaches Shirt$1295T-Shirt$695 Ladies Top$B50Long Sleeve T$7S5 Shorts$595BeseballSS95 Lined Jecket$2195FootballS895 Tote Bog$795Sweetshirt$950 Tire Cover$1495Hooded Sweat$1495 Het$S95 IWide choice colors sizesl Send $100 new illustrated Brochure Retundsbie First Order Name Address CityStateZip DesignSize Color now accept MasterCard & Visa TO ORDER Send check money order add 10% postagelhandling MD res 5% tax OR CALL COLLECT after 4pm write Phase Art 17102 Earlham Ct. Upper Marlboro MD 20772 301627-5118 adequately individual basis books mentioned dont have answers sure have lot Engine mounting got letter Wen dell Hostetler back contained some Interesting comments engine mounting following portion letter have always gut feeling full-scale planes cars use shockmounting system should Giant Scale mounting system shown plans has adequate maybe nec essarily superior solid firewall mount engines up 24 ad past three years have done lot flying custom 37 & 43 cu Kioritz engines larger engines have giving vibration real fight number little things have gone wrong larger engines planes use almost excepion bugs traced vibration About middle summer 1982 BB made concentrated effort solve vibration problem pur chased used several types Lord mounts installed various ways able reduce almost eliminate vibration airframe expense excessive vibration engine Over period six eight flights engines shaking themselves apart After much experimentation reverted solid fire wall engine mounting solid mounting unquestionably superior way go larger engines conclude dif ference between model applications full-scale use one-cylinder en gines herein lies difference Al though still vibration solidmount system tolerable enjoying good success have always felt long run solid mount airframe built absorb vibration superior attempt shock-mounting Wendell has come up some useful experience subject put finger what think key point using one-lungers simul taneous firing opposed twin might dif ferent matter Need machined parts Youve heard say times Giant Scale models much like full-scale aircraft Ily Ilike real airplanes ways can should built like real air planes particularly true high stress areas like landing gear strut fittings engine mounts exhaust systems etc some Items nature available com mercially always suitable particular scale subject Sometimes item will too large fit available space will visible just too non-scalelike acceptable such cases best often solution make reduced-size version original fitting structure using mate rials strong enough take stresses volved usually means metalworking some sort Most modelers can handle work involved example bending landine ecar 57~-in wire though seldom have since such items readily available what about 5/16 wire needed Giant Scale point cast forged welded machined parts needed true operational replicas real thing Few us have skills equipment needed kind work depend needed items being included kits buy being available models being built someone elses plans want design build scratch some times have give up favorite projects because cant make parts need recently got note Bob Demitz St Louis bears subject ineluded little flyer outfit called Mason Machine Phoenix AZ custom fabricating quantities several machine shops dont want talk about anything less hundreds sounds have experience equipment anything might need have no direct experience work Bob says has using work good price right need something like cant hurt check out Write Mason Machine 3439 W Michigan Ave Phoenix AZ 85023 Quantico Scale Rally Fifth Annual Scale Rally Marine Air Museum Quantico VA scheduled July 9 10 1983 event sponsored United States Marine Corps North ern Virginia RC Club event open Sport Scale model another example Giant Scale rapidly taking over special feature event Gemein hardt Trophy awarded Marine Corps best model aircraft ever flown Marines turns out surprisingly long list both Navy Army types information write CD Ed Bycrlcy 200 Commander Cove Staf ford VA 22554 call him 703 659-6469 Bob Beckman 8248 Holly Grove Ct Manassas VA 22110 RC Helicopters/Chesney Continued page 53 will caution planning install standard mixer Baronette collective pitch range reduced additional servo throw will necessary bring back collective range may have used mixer arms symmetrical collective pickup point going blades should point closest pivot hole order get max imum collective range still will prob ably have increase collective yoke throw bring things back collective range available unmixed Hiller rotor system Finally want say have appar ently ruffled few feathers regard last months column George Myers couldnt figure out impressed Baron 20 Perhaps George oth ers might like reread some earlier columns about machine Since seldom fly crowded flying site few see grin wear Im flying Baronette Lots grin about Toledo year See next month Dave Chesney PO Box 16612 Greensboro NC 27406 RC Pylon Racing/Hager Continued page 55 Sunday skies cloudy racing began about 1000 am 156 Model Aviation a
Edition: Model Aviation - 1983/07
Page Numbers: 52, 53, 156
Radio Control HELICOPTERS Dave Chesney LAST MONTH mentioned must have doing something wrong regarding setup clutch assembly Kalt 20 1 received several comments about column uncom plimentary no suggestions best remedy problem did talk Circus Hobbies people Toledo Show found situation uniquethe last 500 Baron 20 kits now have modified fan assemblies should cure misaligned-clutch dilemma fix has worked out since column writ ten Ill probably replace fan have opportunity other point did mention regard ing Baron 20 clutch upon examination found clutch shoes gone shoes evidently parted company clutch worn away misalignment Marty Barry Circus Hobbies advised too reported recommended since CyA adhesive doesnt stand up heat epoxy should used instead Now have run about 16 tanks fuel new record since replacing shoes last time using CyA instructed page five Kalt instruc tion booklet Hot Stuff seems hold ing have problems might try Martys suggestion George Myers sent letter photo about Kalt suggesting modification fore/aft cyclic input claims reduces slop control system think photo aft bellcrank location self-explanatory can probably dupli cated using off-the-shelf control arms such /2A nose wheel steering arms piano wire Dont forget file flats wire set screw will lock arms correct position George didnt detail mod necessary might wish contact him about installation also explained fliers area unim pressed Baron 20s flight character istics until added Bell/Hiller mixer Kalt Part No KB2AOI $995not shown Georges photo mixer allows per centages Hiller input servo rotor flybar direct Bell input blades swash plate mixer available Circus Hobbies must really make difference although wouldnt knowmy Baron 20 never flew Bailey Harris sent along photo flybarless head Baronette photo way shows Bell/Hiller mixer de scribed above Bailey reports little advan tage using flybarless head does look neat cleaning head flybar will make proposed Bell Long Ranger scale ship look scalelike Loy Harris sends us photos Helicopter fleet West Germany L Kalt Baronette small really great since car tool Closeup R business end machine reveals Loy using Bell/Miller mixer described column Are two heads better Well rate theyre different although Baron 20 left illustrates mod MAS own George Myers hes revised fore/aft cyclic control input swash plateclaims reduces slop control system Careful comparison photo toy Harris machine will show parts have beerirevised4 Note too Georges machine also does have Bell/Miller mixer can also see engine con easily removed Baron 20 bottom disturbing fan shroud photo right shows Bailey Harris scratch-built flybarless head chopper New head requires use Bell mixer recommended add-on standard Baron 20 head Mixer assembly slides up down rotor shaft f collective p4tchchanges pivots pitch-arm attachment points cyclic pitch control 52 Model Aviation interested head based Kalts K-IRD flybarless head uses blade axles blade holders Kalt Baron 20 kit Weighted rotor blades must used make both rotor system flight characteristics manageable Anyone inter ested can drop line details Ill caution system better suited advanced fliers Bailey promises some photos Long Ranger wraparound fuse lage available Baronette Eiigland about $125 seems Baron 20 Baronette very popular overseas according Circus Hobbies gaining large fol lowing country Loy Harris no re lation Bailey sent letter month ago station Germany fol lowed up few photos Baronette Loy reported Kalt flew right off boardbut unfortunately under radio control seems radio quit just liftoff Baronette free-flighted until its encounter immovable object See ing little machine fly itself has hooked Loy RC choppers Baron 20 now asking correspondence other owners address Loy D Harris Box 164 HHC 307B ASA BN APO NY 09279 Loy using Ace RC Inc Silver Seven transmitter mixers World servos Baronette looks forward next flights letters considering buying Baron 20 seems hot setup OS Max 28 FSR Bell/Hiller mixer KB2AOI Reports inverted flying other aerobatics using Baron 20 keep floating around yet Ive managed loop Marty Barry Circus reports another hot set-up using components Baron 50 Apparently some fliers using Baron 50 KB5806 blades cut 18 Bell Hiller mixer 60-size machine suitable hot engine like 05 28 FSR 28H Since word mixer' comes up again Ill have say indications Baron 50 mixer apparently unit Bailey Harris has mentioned time time looking Circus/Kalt ads appears Baron 50 mixer allows greater range Bell-to-Hiller mix ratios although havent tried yet Continued page 156 Nor~ AVIONIUS ACCUTACH 1 LCD TALEFULL2 MONITOR DI METE R .SCALRQUICK TACHVOLTME get continuoDetermine star CHARGE adMakes e RPM thru topend adjustmentcharg9 Ni ith-it possibl accuratbatteries wsafely peak bar e bY out Sel Quci- te COat- pack fast cha altwith dual sakeor OX 10%RXb alitilectronlcs watching tiny V capabili premboSage dr full charge sionop sig als ORDER YOURS NOW 7995d Send check money order no CODs 10 NorCal AVIONICS inc PO Box 70956 yvale CA 94086 California residents add 60/v lax Add $300 shipping outside continental USA Dealer inquiries invited July 1983 53 Baron 20 flying hats available red blue yellow green FRANCO 2118 Archdale Dr Charlotte NC 28210 Other chopper prints available hats shirtswrite Get install dont take off Ken Willard RCM SERVO GARD sERvO GARO monitors airborne flight hettery peck voltage meli radio signal received transmitter receiver malfunction detected part system SERVO GARD reduces throttle autentativeily ample time before battery failure safely lend model SPECIFICATIONS Size unit installed KPS-14 servo case easy instailation Just plug throttle sorvo output Weight Approx 1 oz Sensitivity Accurate within 02 Volts Servo Pulse unit shipped positive pulse systems negative puise available upon request SERVO GARD comes complete pre-wired pigtails servo connectors choice installed specify connector type order SEE YOUR DEAL ER OR ORDER DIRECT DEALER INOUIRIES IN VI TED Price $3795 Postpaid Specify connector type positive negative pulse ordering ENDORSED BY THE SPIRIT OF AMERICA SHOW TEAM LIMA OHIO R F Enterprises 706 N Main St Arlington OH 45814 419 365-5065 The Best Custom Screen Sportswear Latest Design See Us NATS just some avaition designs available top quality line sportswear designs direct print eat transferl Gee Bee.P-4O Warhwks. Fokker DVII . P38. Christen Eagle -- Pitts Special . Citabria AT-6 P-47. Steerman. is Jenny . Corsair . Coaches Shirt$1295T-Shirt$695 Ladies Top$B50Long Sleeve T$7S5 Shorts$595BeseballSS95 Lined Jecket$2195FootballS895 Tote Bog$795Sweetshirt$950 Tire Cover$1495Hooded Sweat$1495 Het$S95 IWide choice colors sizesl Send $100 new illustrated Brochure Retundsbie First Order Name Address CityStateZip DesignSize Color now accept MasterCard & Visa TO ORDER Send check money order add 10% postagelhandling MD res 5% tax OR CALL COLLECT after 4pm write Phase Art 17102 Earlham Ct. Upper Marlboro MD 20772 301627-5118 adequately individual basis books mentioned dont have answers sure have lot Engine mounting got letter Wen dell Hostetler back contained some Interesting comments engine mounting following portion letter have always gut feeling full-scale planes cars use shockmounting system should Giant Scale mounting system shown plans has adequate maybe nec essarily superior solid firewall mount engines up 24 ad past three years have done lot flying custom 37 & 43 cu Kioritz engines larger engines have giving vibration real fight number little things have gone wrong larger engines planes use almost excepion bugs traced vibration About middle summer 1982 BB made concentrated effort solve vibration problem pur chased used several types Lord mounts installed various ways able reduce almost eliminate vibration airframe expense excessive vibration engine Over period six eight flights engines shaking themselves apart After much experimentation reverted solid fire wall engine mounting solid mounting unquestionably superior way go larger engines conclude dif ference between model applications full-scale use one-cylinder en gines herein lies difference Al though still vibration solidmount system tolerable enjoying good success have always felt long run solid mount airframe built absorb vibration superior attempt shock-mounting Wendell has come up some useful experience subject put finger what think key point using one-lungers simul taneous firing opposed twin might dif ferent matter Need machined parts Youve heard say times Giant Scale models much like full-scale aircraft Ily Ilike real airplanes ways can should built like real air planes particularly true high stress areas like landing gear strut fittings engine mounts exhaust systems etc some Items nature available com mercially always suitable particular scale subject Sometimes item will too large fit available space will visible just too non-scalelike acceptable such cases best often solution make reduced-size version original fitting structure using mate rials strong enough take stresses volved usually means metalworking some sort Most modelers can handle work involved example bending landine ecar 57~-in wire though seldom have since such items readily available what about 5/16 wire needed Giant Scale point cast forged welded machined parts needed true operational replicas real thing Few us have skills equipment needed kind work depend needed items being included kits buy being available models being built someone elses plans want design build scratch some times have give up favorite projects because cant make parts need recently got note Bob Demitz St Louis bears subject ineluded little flyer outfit called Mason Machine Phoenix AZ custom fabricating quantities several machine shops dont want talk about anything less hundreds sounds have experience equipment anything might need have no direct experience work Bob says has using work good price right need something like cant hurt check out Write Mason Machine 3439 W Michigan Ave Phoenix AZ 85023 Quantico Scale Rally Fifth Annual Scale Rally Marine Air Museum Quantico VA scheduled July 9 10 1983 event sponsored United States Marine Corps North ern Virginia RC Club event open Sport Scale model another example Giant Scale rapidly taking over special feature event Gemein hardt Trophy awarded Marine Corps best model aircraft ever flown Marines turns out surprisingly long list both Navy Army types information write CD Ed Bycrlcy 200 Commander Cove Staf ford VA 22554 call him 703 659-6469 Bob Beckman 8248 Holly Grove Ct Manassas VA 22110 RC Helicopters/Chesney Continued page 53 will caution planning install standard mixer Baronette collective pitch range reduced additional servo throw will necessary bring back collective range may have used mixer arms symmetrical collective pickup point going blades should point closest pivot hole order get max imum collective range still will prob ably have increase collective yoke throw bring things back collective range available unmixed Hiller rotor system Finally want say have appar ently ruffled few feathers regard last months column George Myers couldnt figure out impressed Baron 20 Perhaps George oth ers might like reread some earlier columns about machine Since seldom fly crowded flying site few see grin wear Im flying Baronette Lots grin about Toledo year See next month Dave Chesney PO Box 16612 Greensboro NC 27406 RC Pylon Racing/Hager Continued page 55 Sunday skies cloudy racing began about 1000 am 156 Model Aviation a