Radio Control: Old-Timer

Radio Control OLD- TIMER Dee B Mathews REMINDER SAM membership due renewal havent done yet wish join first time send $10 Society Antique Modelers 4269 Syoko Circle San Jose CA 95136 Plecan Simplex model month popular Old-Timers Aus tralia yet rarely seen its home country Airborne excellent Australian magazine ran construction article several years ago Simplex has built flown both Free Flight RC large number Australians New Zealanders reading various sundry club newsletters receive Simplex know US contest scene George Wagners George consistently places San Diego Aeroneers contests other builders have used extremely easyto-build docile-flying Old-Timer something mystery writer needs bundle /4-in balsa strip few scraps Y3-in sheet build Simplexwhich very aptly named As can seen three-view model obviously designed sim plicity mind Although Paul Plecan didnt indicate balance point drawings pub lished Air Trails February 1941 find anything 40% forward seems satis factory two Simplexes have both rather poor floaters perhaps due heavy building techniques However sport fliers have delightful rather short SIMPLEX FROM AIR TRAILS FEB 1941 SPAN6OAREA546 SQ Li Plecans Simplex popular Australia New Zealandwhy Doc has built couple themattributes non-floating glide heavy-handed building Short nose makes ideal subject eiectiic powerstack batteries under motor put radio gear stack lust behind firewall dont need wide selection balsa structure nose moment needs lots weight ahead CG second developed electric Old-timer placed batteries beneath engine ahead firewall two servos radio gear stack immediately behind Unfortunately models covered material trying out manufacturer results very poor reason show uncovered version potential certainly present Simplex design would encourage prospective builder order plans No 4B5 John Pond address given above SAM memberships first time since have writ ing column using guest colum nist Dick Huang very active suc cessful Old-Timer flier interests range way through events SAM RC assist has developed some excellent techniques Electric RC-assist area graciously shares us Whether reader interested electric power Old-timers sport flying Dicks comments certainly worth read ing fact silent power units LENGTH45 AlRFOlLCLARK Model Aviation Paul Pie cans NrL14 M MAX POWER24 CU INS INCHES O2468l0I214l61820 hic Woody Woodwards Studio City CA Midway Models 50 Powerhouse flies well Electric Astro 075 poweris just marginal 421/2 02 05 Prop 8-3 Rev-Up AC 3-ch Cannon channel motor cutoff 250 mAh receiver battery Spans 50 has 380 sq wave future rapidly becoming more apparent seemingly club newsletter late expresses problems noise complaints glow-engine ignition-engine flying being done Electric Flight Old-Timer Models introduction RC electric 0-I flying 1980 SAM Champs held Day ton OH three contestants Bruce Norman John Pond Fred Koval Continued page 153 Heres wire electric propulsion sys tern airplane Using electronic motor control lets use power pack RC gear tooit automatically cuts off motor before battery runs down too far leaving enough charge glide-time USE 16 OR 18 GAUGE STRANDED WIRE ELECTRONIC AFI 4023RMOlOR PROPMMALE SHAFTFFEMALE M FMOLEX CONNECTOR RUDDER OSERVOS ATOR RIBBED EIS PLUS AVIONIUS INC ACCUETACH 1 LCD AL TACNME get cOntIfluOUS accurate RPM read 0ut Select idle thru top-en d adiUstme dual scaleor 1 BOX ilitYlOX built preCI siOnelectrOnicS 2 FULL VOile Deter ne statd NI charg5 with bafferickOr out load CheRX cycle TXbat tery comboS 3 MONITOR QUICK Makes itb 5afely P8 pack 0 tiny volt watc~ signals full charge ORDER YOURS NOW Send check money order no CODs NorCal AVIONICS Inc PO Box 70956 Sunnyvale CA 94086California residents add 6% lax Add $300 shipping outside continental USA Dealer inquiries invited September 1983 51 electric Laurie Experimental Zaics Yearbook strain eyes youll note features folding prop Except landing gear looks quite modern Built Marion Knight IS] Engines Engineered Meet uemdIiu UT Most Discriminating Modeler Backed Service JMatch Send $100 Catalog 23* New Standard* Giant Models 6~49 95*1 28HP5/2Lbs* Direct Sales Only79Dealer Direct ALL ENGINES READY TO RUN INCLUDING 6 BOLT PROP HUB MOUNT MUFFLERS AVAILABLE AT EXTRA CHARGE Rear3405ClevelandAveSW TZ ROUSH M FG THE ENGINE PEOPLE Phone mi Work Horse 32 HP bs 10 straight years have attended enjoyed contests sponsored Rocket City Radio Controllers RCRC Huntsville AL hosted 1981 Mas ters Tournament another Masters Tour nament early 1970s 1972 1 think years contest would have 23rd annual contest However received call George Smith have years chief judge informing 1983 contest cancelled due insufficient help put contest worthy reputation earned previous years What shame Unfortunately same thing has happened other major contests recent years dont know what answer club apathy hope RCRC can overcome resume sponsorship great contest next year people have written phoned ask what happened Jim Kirkland Memorial Contest club Eglin Aero Modellers has sponsored nine years No contest cancelled placed quandry Mas ters Tournament chosen same weekend recent traditional date fourth weekend June Since possible sites Masters Tournament Pensacola FL hesitant hold Pattern contest same dates held 50 miles away Rough River KY announced site 1983 Masters Tourna ment too late get contest sanction properly publicize con test club decided opt con test September 24 25 Depending attendance may new traditional date Kirkland Memo rial See Southeastern fliers Ill covering Masters Tournament Model Aviation look forward re turning site 1975 meet So look both regular column Masters Tournament report next month Ron Van Putte III Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Old-Timers/Mathews Continued paqe 51 used Playboys three models launched same time model ground-looped never took off other two Bruce John remained airborne about five six minutes Bruce Nor man coming down last won first place John Pond second Koval third thought myself event piece cakeyou dont need get off ground win trophy man-hours dollars later no longer think piece cake will enumerate mistakes made instead let tell about models equipment have seen perform Dick Huangs Playboy uses Astro 25 cobalt motor 16 55-Ah cells Weighs 66 oz satisfactorily turn no need look further can start build ing obtaining equipment con fidence finished O-T electric model will fly order specific about equipment manufacturers name part numbers have used imply no other options may work just well betterit says Ive used things successfully First let present some pictures club members Fort Worth Planesmen electric RC airplanes Bruce Nor mans reliable 800-sq-in wing area Play boy uses Astro Cobalt 15 motor eight l-Ah cells weighs about 64 oz Bo Buices trusty Playboy weighs 72 oz uses Astro 15 motor 16 55-Ah cells Marion Knight Laurie Experi mental uses Giest Electric system Ger C02 ENCINES WE NOW HAVE COMPLETE LINE OF BROWN TELCO DAVIS CO-2 ENGINES INCLUDING SPARE PARTS SERVICE BROWNTEL CO A23 PEANUT$3995STANDARD TELCO$2495 CAMPUS BEE$3495TURBO 3000$3295 CAMPUS TWiN$5995TURBO 6000$3695 SODA CHARGER 5 DAVIS- COX 02 CONVERSION TO CO2 $3995 NEW CATALOG No 25 $150 September 1983 153 KIORITZ 24 NEW R/C BOOKLET Answers questions often asked Want get started RIO Awn\\ flying PLUS troduces best airplane start EN ON 1 receive Copy SEND $200 TO ST CROIX OF PARK FALLS LTD PO Box 279P Park Falls WI 54552 Peek-Pe4wes PHONE6194423636 919 4696675 BOX 2498 -MALA MESA CA 92041 Make Own Fiberglass Fuselages Foam Wings Two complete step-by-step booklets illustrations tips hints valuable beginner also expert Among secrets deal set up completely automatic wing cutting machine simple tempering procedure molds fiberglass products booklets have no doubt great value workshop guide beginner expert ORDER NOW TED QUANTITY Both $600 Make Professional Fiberglass Molds $400 Make Professional Styrofoam Wings $300 Mail check Money Order Visa Master Cord Order Johannes Daldosch 730 NE 90th St #29 Miami FL 33238 13051 7565936 man speed control Dick Huangs Playboy uses Astro 25 Cobalt motor 16 55-Ah cells weighs 66 oz models fly well have placed local nationial contests 1981 Taft Champs Bruce Norman placed first Dick Huang placed fourth Westover Champs Dick Huang placed second Bruce Norman third Marion Knight placed first Laurie Experimental Fort Worth Planesmen Labor Day meet 1982 get started Electric O-T problems would highly recommend read book Quiet Revolution Robert Boucher Model size total weight limits motors props batteries closely match other discussed can recommend following regular Play boy 800 sq wing area MotorAstro 15 Black Head Gear Reduction3 1 Prop13 x 6 Battery16 55-Ah fast-charge cells can keep everything between 58 68 oz should well youre will ing spend little motor increase performance Astro Cobalt 25 will fit same envelope Astro 15 BH will provide about 75% power 1 Bruce Norman flies 800-sq-in Playboy Astro Cobalt 15 8 1-Ah cells increase motor weight 22% typical airborne hook-up shown sketch advantage setup RC airborne battery pack eliminated motor battery pack serves power source both motor RC sys tem electronic motor control will automatically cut off electric motor pre-set voltage saving enough battery ca pacity operate receiver servos dur ing glide flight course can remove electronic motor control add throttle servo well receiver flight battery pack use throttle servo mechanically switch electric motor off field charging use two 12 V 7-Ah cells ie 24 volts Astro Flight Field Charger Model 4004 Bruce Norman uses system hooks up car battery Both work equally well 4004 field charger has timer automatically stops charging after IS minutes feed care Ni-Cds important part electric flight some DOs DONTs DO DO read manufacturers instructions fore get trouble DO provide airborne motor battery cooling DO fuse motor shown sketch DO trickle-charge motor battery pack equal individual cell voltages DO use voltmeter digital expanded scale determine full charge Ni-Cds fully charged 135 volts per cell DO use Ni-Cd cells will accept fast charging see note below DONT DONT charge overheated motor battery packwait until cools DONT use too big propthe motor will overheat DONT overcharge battery packit will 6O0 NEW * NEW * NEW BUY ECONO-PAC & SAVE WACO IIKS-7GREAT LAKES TRAINER GREAT LAKES SPECIAL2T1A/2T1E PLAN$27 00pp PLAN$27OOpp F G Cowl$27 OOpp F G Cowl $27 OOpp F G Pants$25 OOpp ECONO PAC$49OOpp ECONO-PAC$70 OOpp SAVE$600 SAVE Farman Moustiqueplan$1700pp 59w. 154 Model Aviation O NEWV PRODUC5th RS BOATS6th & AIRPLANESrIi0 O STATIC0~Nor DISPLAYS20 CategoriesOr th Vi/IQA 44 k ,Venue O DEMONSTRATIONSMo1 ornation AGc R Wjite O DELTA DART CONTESTO 8 CC O SWAP SHOPe IL 11th ANNUAL GREATER CHICAGO RADIO CONTROLLED MODEL SHOW So Buices Playboy flies Astro 15 16 55-Ah cells weighs 72 oz 1131 NW 45 SIreel El Liuderdili FL 33309 13051 491-6115 ENGINEERING lIlt LANDING GEAR PEOPLE Tired kil landing RIOrS Ibal dont Ill biggie properly O & 0 Eagitoeneg can onlve problemol * Cuol. hull year needs & specs guaranteed lit * SIring & iambIc witholand Ike Inughesl landing * 0 & 0 tegimeerieg geor will work & keep biggie flyIng * Is stock roplacemeot gear br popular models Byrne PItlo Christie Eagle CAP 21 Balso OSA J-3 CUB Air Tech Paunee aed Eagle Nose Big Slick Cbamp Citabrlo II & B models Snapper Stinger Snapper Too Portable power glow plugs fito shirt pookntl Uning HnadlookTM adepter allows stay plug aod get propeller Reohargeable up lOgO timno gO dey werranty No bulky batteries tables Order NISTAiT$N either 110 220 12 onlt tent Inotruotions inoluded Also eoailabln oharger See deeler order direot us Vito ft Masteroard accepted Please specify type oharger Add 5150 postane IUSAI NI-IlL lilOt $2105 NI-IlL-iC 220 o. 02105 NI-HL lA 120 adep. y2105NI-NL-1-NC No charger 01205 13500 Gleodundee Dr Herodon VA 22071 USA 703435-0505 SiTongly recommend fuel its consistency dependability weather condition Orlando G Ruiz EXPERT PATTERN WINNER 1982 TANGERINES INT THIS RiEI FEATURES RUST PRR/EN11ON AGENTS eDEIERGENTS OLUBRICAllON WrTH HIGH FLASH POINTS OWEfliNG AGENTS FOR MORE EFFICIENT AND DEPENDABLE FUEL FLOW eANTI-FOAMING AGENTS TO PREVENT LEAN RUNS KEEPS YOUR ENGINE RUNNING COOL SAN ODORLESS HIGHLY REFINED FUEL CHILDPROOF UDS Available FAI 5 10 15 25 & 40% Nilro-Methane Contents Foirnulated synthetic lubricants AJso availate castor DEALERS WANTED This competition fuel fast becoming THE CHOICE Mth top profesionals tint cash product Contact us price structures Ordering information Major Brand Distributors Model Engines Kits Radios accessories SUPER K Fuels brand KiNGS RADIO CONTROL HOBBIES INTERNATIONAL 3960 West 16 Ave Hialech Florida 33012 305 557-2024 get hot fail DONT oil motoroil bad brushes DONT store battery pack totallydischarged conditionit may take charge later DONT show off too much bench runsthings can overheat Finally DO get started O-T electric flying will enjoy clean quiet propulsion system starts flip throttle lever Nete en Ni-Cd batteries want fly once twice per flying session Ni-Cds must able accept fast charge beauty fast-charge cells may charged rate standard quick fast damage charging rates defined below C I-hour charge current Ni-Cd cell charge current cio C/20 c/3 C/S C 4C charging Time hr iOta 20 3 5 1 illustrate Lets use 600 mAli 06 Ah celL charge Rating Standard Quick Fast charge current mA 60 30 200 120 600 2400 charging Time hr 10 20 3 5 1 /4 thanks Dick Huang efforts Now lets go out have good time flying Electric Old-Timers PS thanks wrote offered plans Phil Krafts Ri Fli have set needed now Dee B Mathews 506 South Walnut Greensburg KS 67054 RC Giant Scale/Beckman Continued page 55 engine conversion himself Roger using split-battery system have described past servos powered 12 Ah battery receiver its own 500 mAh pack says hasnt glitch yet did report problem radio originally 5-in spun aluminum spinner commercially-available item installed During some engine runs ground spinner apparently pulled apart breaking prop process engine turning about 9500 rpm time have no idea what caused failure its good example keep saying Stay away fromand out line withspinning propellers Brisighella plans Dario Brisighella has well-known years premier model builder Hes also well-known EAA talented full-scale aircraft builder restorer inevitable model ing interests would shift Giant Scale first plan offering reviewed March 1982 issue smaller version 1 full-size Starduster Too red white blue Starduster has beautiful Giant Scale model have ever seen Dario does very little laurel-resting ever Along making available lot useful Giant Scale accessories hes also US Quadra last year hes done two outstanding models Both Waco cabin biplane Steen Skybolt have done before taking anything away other versions theres always room Brisighella treatment design Waco 1939 ARE version classic biplane have real Waco phile keep track different designa tions what basically same air frame different engines minor mods look same megreat Darios plans 21% full scale makes model tad over A-scale Wing span comes out 87/4 fuselage length 70 Total wing area 1800 sq projected weight 20 24 lb plans naturally laid out Quadra cast aluminum mount will take either Q35 Q50 airframe weight lower end smaller engine good match Build bit heavier add detailing larger Quadra would called Construction quite simple same time very rugged surprised see Dario calls -in sq balsa long erons fuselage Weve gotten used using spruce applications reflection think agree case balsa adequate secret longerons get two /x pieces added outer edges Effectively have -in sq longeron extra stiffness two full-length glue joints fuselage simple box structure some rounding nose blend radial-engine cowl Another nice thing about cabin biplane no cabane struts involved both upper lower wing mounts quite simple minor goof noticed plans say tap wing-mount blocks 4-40 nylon wing hold-down bolts What Dario meant /4-20 nylon bolts other points plans correctly identified has probably corrected statement now get set plans like dont misled4-40 bolts arent adequate wing hold-down Giant Scale air craft plans dont show lot radio control linkage detail new RC and/or Giant Scale youll need some advice area show effective simple aileron flap arrangement servos mounted wing servo output shafts protruding through lower surface gives straight easily-accessed linkage control horn Darios Skybolt plans scaled down directly plans provided Lamar Steen include latest modifications 156 Model Aviation SPECIALLY FORMULATED AND CHEMICALLY BALANCE RJEL FOR TOP PERFORMANCE AND MINIMUM ENGINE WEAR charge Rating Standard Quick Fast

Radio Control OLD- TIMER Dee B Mathews REMINDER SAM membership due renewal havent done yet wish join first time send $10 Society Antique Modelers 4269 Syoko Circle San Jose CA 95136 Plecan Simplex model month popular Old-Timers Aus tralia yet rarely seen its home country Airborne excellent Australian magazine ran construction article several years ago Simplex has built flown both Free Flight RC large number Australians New Zealanders reading various sundry club newsletters receive Simplex know US contest scene George Wagners George consistently places San Diego Aeroneers contests other builders have used extremely easyto-build docile-flying Old-Timer something mystery writer needs bundle /4-in balsa strip few scraps Y3-in sheet build Simplexwhich very aptly named As can seen three-view model obviously designed sim plicity mind Although Paul Plecan didnt indicate balance point drawings pub lished Air Trails February 1941 find anything 40% forward seems satis factory two Simplexes have both rather poor floaters perhaps due heavy building techniques However sport fliers have delightful rather short SIMPLEX FROM AIR TRAILS FEB 1941 SPAN6OAREA546 SQ Li Plecans Simplex popular Australia New Zealandwhy Doc has built couple themattributes non-floating glide heavy-handed building Short nose makes ideal subject eiectiic powerstack batteries under motor put radio gear stack lust behind firewall dont need wide selection balsa structure nose moment needs lots weight ahead CG second developed electric Old-timer placed batteries beneath engine ahead firewall two servos radio gear stack immediately behind Unfortunately models covered material trying out manufacturer results very poor reason show uncovered version potential certainly present Simplex design would encourage prospective builder order plans No 4B5 John Pond address given above SAM memberships first time since have writ ing column using guest colum nist Dick Huang very active suc cessful Old-Timer flier interests range way through events SAM RC assist has developed some excellent techniques Electric RC-assist area graciously shares us Whether reader interested electric power Old-timers sport flying Dicks comments certainly worth read ing fact silent power units LENGTH45 AlRFOlLCLARK Model Aviation Paul Pie cans NrL14 M MAX POWER24 CU INS INCHES O2468l0I214l61820 hic Woody Woodwards Studio City CA Midway Models 50 Powerhouse flies well Electric Astro 075 poweris just marginal 421/2 02 05 Prop 8-3 Rev-Up AC 3-ch Cannon channel motor cutoff 250 mAh receiver battery Spans 50 has 380 sq wave future rapidly becoming more apparent seemingly club newsletter late expresses problems noise complaints glow-engine ignition-engine flying being done Electric Flight Old-Timer Models introduction RC electric 0-I flying 1980 SAM Champs held Day ton OH three contestants Bruce Norman John Pond Fred Koval Continued page 153 Heres wire electric propulsion sys tern airplane Using electronic motor control lets use power pack RC gear tooit automatically cuts off motor before battery runs down too far leaving enough charge glide-time USE 16 OR 18 GAUGE STRANDED WIRE ELECTRONIC AFI 4023RMOlOR PROPMMALE SHAFTFFEMALE M FMOLEX CONNECTOR RUDDER OSERVOS ATOR RIBBED EIS PLUS AVIONIUS INC ACCUETACH 1 LCD AL TACNME get cOntIfluOUS accurate RPM read 0ut Select idle thru top-en d adiUstme dual scaleor 1 BOX ilitYlOX built preCI siOnelectrOnicS 2 FULL VOile Deter ne statd NI charg5 with bafferickOr out load CheRX cycle TXbat tery comboS 3 MONITOR QUICK Makes itb 5afely P8 pack 0 tiny volt watc~ signals full charge ORDER YOURS NOW Send check money order no CODs NorCal AVIONICS Inc PO Box 70956 Sunnyvale CA 94086California residents add 6% lax Add $300 shipping outside continental USA Dealer inquiries invited September 1983 51 electric Laurie Experimental Zaics Yearbook strain eyes youll note features folding prop Except landing gear looks quite modern Built Marion Knight IS] Engines Engineered Meet uemdIiu UT Most Discriminating Modeler Backed Service JMatch Send $100 Catalog 23* New Standard* Giant Models 6~49 95*1 28HP5/2Lbs* Direct Sales Only79Dealer Direct ALL ENGINES READY TO RUN INCLUDING 6 BOLT PROP HUB MOUNT MUFFLERS AVAILABLE AT EXTRA CHARGE Rear3405ClevelandAveSW TZ ROUSH M FG THE ENGINE PEOPLE Phone mi Work Horse 32 HP bs 10 straight years have attended enjoyed contests sponsored Rocket City Radio Controllers RCRC Huntsville AL hosted 1981 Mas ters Tournament another Masters Tour nament early 1970s 1972 1 think years contest would have 23rd annual contest However received call George Smith have years chief judge informing 1983 contest cancelled due insufficient help put contest worthy reputation earned previous years What shame Unfortunately same thing has happened other major contests recent years dont know what answer club apathy hope RCRC can overcome resume sponsorship great contest next year people have written phoned ask what happened Jim Kirkland Memorial Contest club Eglin Aero Modellers has sponsored nine years No contest cancelled placed quandry Mas ters Tournament chosen same weekend recent traditional date fourth weekend June Since possible sites Masters Tournament Pensacola FL hesitant hold Pattern contest same dates held 50 miles away Rough River KY announced site 1983 Masters Tourna ment too late get contest sanction properly publicize con test club decided opt con test September 24 25 Depending attendance may new traditional date Kirkland Memo rial See Southeastern fliers Ill covering Masters Tournament Model Aviation look forward re turning site 1975 meet So look both regular column Masters Tournament report next month Ron Van Putte III Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Old-Timers/Mathews Continued paqe 51 used Playboys three models launched same time model ground-looped never took off other two Bruce John remained airborne about five six minutes Bruce Nor man coming down last won first place John Pond second Koval third thought myself event piece cakeyou dont need get off ground win trophy man-hours dollars later no longer think piece cake will enumerate mistakes made instead let tell about models equipment have seen perform Dick Huangs Playboy uses Astro 25 cobalt motor 16 55-Ah cells Weighs 66 oz satisfactorily turn no need look further can start build ing obtaining equipment con fidence finished O-T electric model will fly order specific about equipment manufacturers name part numbers have used imply no other options may work just well betterit says Ive used things successfully First let present some pictures club members Fort Worth Planesmen electric RC airplanes Bruce Nor mans reliable 800-sq-in wing area Play boy uses Astro Cobalt 15 motor eight l-Ah cells weighs about 64 oz Bo Buices trusty Playboy weighs 72 oz uses Astro 15 motor 16 55-Ah cells Marion Knight Laurie Experi mental uses Giest Electric system Ger C02 ENCINES WE NOW HAVE COMPLETE LINE OF BROWN TELCO DAVIS CO-2 ENGINES INCLUDING SPARE PARTS SERVICE BROWNTEL CO A23 PEANUT$3995STANDARD TELCO$2495 CAMPUS BEE$3495TURBO 3000$3295 CAMPUS TWiN$5995TURBO 6000$3695 SODA CHARGER 5 DAVIS- COX 02 CONVERSION TO CO2 $3995 NEW CATALOG No 25 $150 September 1983 153 KIORITZ 24 NEW R/C BOOKLET Answers questions often asked Want get started RIO Awn\\ flying PLUS troduces best airplane start EN ON 1 receive Copy SEND $200 TO ST CROIX OF PARK FALLS LTD PO Box 279P Park Falls WI 54552 Peek-Pe4wes PHONE6194423636 919 4696675 BOX 2498 -MALA MESA CA 92041 Make Own Fiberglass Fuselages Foam Wings Two complete step-by-step booklets illustrations tips hints valuable beginner also expert Among secrets deal set up completely automatic wing cutting machine simple tempering procedure molds fiberglass products booklets have no doubt great value workshop guide beginner expert ORDER NOW TED QUANTITY Both $600 Make Professional Fiberglass Molds $400 Make Professional Styrofoam Wings $300 Mail check Money Order Visa Master Cord Order Johannes Daldosch 730 NE 90th St #29 Miami FL 33238 13051 7565936 man speed control Dick Huangs Playboy uses Astro 25 Cobalt motor 16 55-Ah cells weighs 66 oz models fly well have placed local nationial contests 1981 Taft Champs Bruce Norman placed first Dick Huang placed fourth Westover Champs Dick Huang placed second Bruce Norman third Marion Knight placed first Laurie Experimental Fort Worth Planesmen Labor Day meet 1982 get started Electric O-T problems would highly recommend read book Quiet Revolution Robert Boucher Model size total weight limits motors props batteries closely match other discussed can recommend following regular Play boy 800 sq wing area MotorAstro 15 Black Head Gear Reduction3 1 Prop13 x 6 Battery16 55-Ah fast-charge cells can keep everything between 58 68 oz should well youre will ing spend little motor increase performance Astro Cobalt 25 will fit same envelope Astro 15 BH will provide about 75% power 1 Bruce Norman flies 800-sq-in Playboy Astro Cobalt 15 8 1-Ah cells increase motor weight 22% typical airborne hook-up shown sketch advantage setup RC airborne battery pack eliminated motor battery pack serves power source both motor RC sys tem electronic motor control will automatically cut off electric motor pre-set voltage saving enough battery ca pacity operate receiver servos dur ing glide flight course can remove electronic motor control add throttle servo well receiver flight battery pack use throttle servo mechanically switch electric motor off field charging use two 12 V 7-Ah cells ie 24 volts Astro Flight Field Charger Model 4004 Bruce Norman uses system hooks up car battery Both work equally well 4004 field charger has timer automatically stops charging after IS minutes feed care Ni-Cds important part electric flight some DOs DONTs DO DO read manufacturers instructions fore get trouble DO provide airborne motor battery cooling DO fuse motor shown sketch DO trickle-charge motor battery pack equal individual cell voltages DO use voltmeter digital expanded scale determine full charge Ni-Cds fully charged 135 volts per cell DO use Ni-Cd cells will accept fast charging see note below DONT DONT charge overheated motor battery packwait until cools DONT use too big propthe motor will overheat DONT overcharge battery packit will 6O0 NEW * NEW * NEW BUY ECONO-PAC & SAVE WACO IIKS-7GREAT LAKES TRAINER GREAT LAKES SPECIAL2T1A/2T1E PLAN$27 00pp PLAN$27OOpp F G Cowl$27 OOpp F G Cowl $27 OOpp F G Pants$25 OOpp ECONO PAC$49OOpp ECONO-PAC$70 OOpp SAVE$600 SAVE Farman Moustiqueplan$1700pp 59w. 154 Model Aviation O NEWV PRODUC5th RS BOATS6th & AIRPLANESrIi0 O STATIC0~Nor DISPLAYS20 CategoriesOr th Vi/IQA 44 k ,Venue O DEMONSTRATIONSMo1 ornation AGc R Wjite O DELTA DART CONTESTO 8 CC O SWAP SHOPe IL 11th ANNUAL GREATER CHICAGO RADIO CONTROLLED MODEL SHOW So Buices Playboy flies Astro 15 16 55-Ah cells weighs 72 oz 1131 NW 45 SIreel El Liuderdili FL 33309 13051 491-6115 ENGINEERING lIlt LANDING GEAR PEOPLE Tired kil landing RIOrS Ibal dont Ill biggie properly O & 0 Eagitoeneg can onlve problemol * Cuol. hull year needs & specs guaranteed lit * SIring & iambIc witholand Ike Inughesl landing * 0 & 0 tegimeerieg geor will work & keep biggie flyIng * Is stock roplacemeot gear br popular models Byrne PItlo Christie Eagle CAP 21 Balso OSA J-3 CUB Air Tech Paunee aed Eagle Nose Big Slick Cbamp Citabrlo II & B models Snapper Stinger Snapper Too Portable power glow plugs fito shirt pookntl Uning HnadlookTM adepter allows stay plug aod get propeller Reohargeable up lOgO timno gO dey werranty No bulky batteries tables Order NISTAiT$N either 110 220 12 onlt tent Inotruotions inoluded Also eoailabln oharger See deeler order direot us Vito ft Masteroard accepted Please specify type oharger Add 5150 postane IUSAI NI-IlL lilOt $2105 NI-IlL-iC 220 o. 02105 NI-HL lA 120 adep. y2105NI-NL-1-NC No charger 01205 13500 Gleodundee Dr Herodon VA 22071 USA 703435-0505 SiTongly recommend fuel its consistency dependability weather condition Orlando G Ruiz EXPERT PATTERN WINNER 1982 TANGERINES INT THIS RiEI FEATURES RUST PRR/EN11ON AGENTS eDEIERGENTS OLUBRICAllON WrTH HIGH FLASH POINTS OWEfliNG AGENTS FOR MORE EFFICIENT AND DEPENDABLE FUEL FLOW eANTI-FOAMING AGENTS TO PREVENT LEAN RUNS KEEPS YOUR ENGINE RUNNING COOL SAN ODORLESS HIGHLY REFINED FUEL CHILDPROOF UDS Available FAI 5 10 15 25 & 40% Nilro-Methane Contents Foirnulated synthetic lubricants AJso availate castor DEALERS WANTED This competition fuel fast becoming THE CHOICE Mth top profesionals tint cash product Contact us price structures Ordering information Major Brand Distributors Model Engines Kits Radios accessories SUPER K Fuels brand KiNGS RADIO CONTROL HOBBIES INTERNATIONAL 3960 West 16 Ave Hialech Florida 33012 305 557-2024 get hot fail DONT oil motoroil bad brushes DONT store battery pack totallydischarged conditionit may take charge later DONT show off too much bench runsthings can overheat Finally DO get started O-T electric flying will enjoy clean quiet propulsion system starts flip throttle lever Nete en Ni-Cd batteries want fly once twice per flying session Ni-Cds must able accept fast charge beauty fast-charge cells may charged rate standard quick fast damage charging rates defined below C I-hour charge current Ni-Cd cell charge current cio C/20 c/3 C/S C 4C charging Time hr iOta 20 3 5 1 illustrate Lets use 600 mAli 06 Ah celL charge Rating Standard Quick Fast charge current mA 60 30 200 120 600 2400 charging Time hr 10 20 3 5 1 /4 thanks Dick Huang efforts Now lets go out have good time flying Electric Old-Timers PS thanks wrote offered plans Phil Krafts Ri Fli have set needed now Dee B Mathews 506 South Walnut Greensburg KS 67054 RC Giant Scale/Beckman Continued page 55 engine conversion himself Roger using split-battery system have described past servos powered 12 Ah battery receiver its own 500 mAh pack says hasnt glitch yet did report problem radio originally 5-in spun aluminum spinner commercially-available item installed During some engine runs ground spinner apparently pulled apart breaking prop process engine turning about 9500 rpm time have no idea what caused failure its good example keep saying Stay away fromand out line withspinning propellers Brisighella plans Dario Brisighella has well-known years premier model builder Hes also well-known EAA talented full-scale aircraft builder restorer inevitable model ing interests would shift Giant Scale first plan offering reviewed March 1982 issue smaller version 1 full-size Starduster Too red white blue Starduster has beautiful Giant Scale model have ever seen Dario does very little laurel-resting ever Along making available lot useful Giant Scale accessories hes also US Quadra last year hes done two outstanding models Both Waco cabin biplane Steen Skybolt have done before taking anything away other versions theres always room Brisighella treatment design Waco 1939 ARE version classic biplane have real Waco phile keep track different designa tions what basically same air frame different engines minor mods look same megreat Darios plans 21% full scale makes model tad over A-scale Wing span comes out 87/4 fuselage length 70 Total wing area 1800 sq projected weight 20 24 lb plans naturally laid out Quadra cast aluminum mount will take either Q35 Q50 airframe weight lower end smaller engine good match Build bit heavier add detailing larger Quadra would called Construction quite simple same time very rugged surprised see Dario calls -in sq balsa long erons fuselage Weve gotten used using spruce applications reflection think agree case balsa adequate secret longerons get two /x pieces added outer edges Effectively have -in sq longeron extra stiffness two full-length glue joints fuselage simple box structure some rounding nose blend radial-engine cowl Another nice thing about cabin biplane no cabane struts involved both upper lower wing mounts quite simple minor goof noticed plans say tap wing-mount blocks 4-40 nylon wing hold-down bolts What Dario meant /4-20 nylon bolts other points plans correctly identified has probably corrected statement now get set plans like dont misled4-40 bolts arent adequate wing hold-down Giant Scale air craft plans dont show lot radio control linkage detail new RC and/or Giant Scale youll need some advice area show effective simple aileron flap arrangement servos mounted wing servo output shafts protruding through lower surface gives straight easily-accessed linkage control horn Darios Skybolt plans scaled down directly plans provided Lamar Steen include latest modifications 156 Model Aviation SPECIALLY FORMULATED AND CHEMICALLY BALANCE RJEL FOR TOP PERFORMANCE AND MINIMUM ENGINE WEAR charge Rating Standard Quick Fast