Free Flight DURA TION Bob Meuser ot&rn2EJ moeLs $ans LE Jrop Hprop TWIN PUSHERS Twin-pusher canards domi nated Outdoor Free Flight quarter century until early Thirties simple reason won Other configurations tried failed Perhaps simply matter everyone following beaten rut Indoor singleprop tractors well understood decalage used like 8 10 degrees must have put CG somewhere near leading edge OK perhaps Indoor flying far too loopy Outdoor success Outdoor models much happier small decalage big tails long distances between wing tail necessarily CG position long ways back leading edge perhaps behind trailing edge would interesting trace transition twinpushers single-tractors Outdoor competi tion Ill have leave up guys Bill Hannan caught practicing what preaches book Peanut P0 chucks Farman Mosquito skyward Bill Noonan photo Bobs got lot say about twin-pushers month youve never seen before heres what contest-winner looked like 62 Model Aviation classiest expensive Outdoor Rubber winder yett Bob extols its virtues its manufacturer column Hemember UoDs sketch wingless May 1 9B2 issue Seems John Ferrer put P-30 several years ago Note hes got em lust about right slight negative incidence forward winglet progressively increasing incidence angles ones aft Just way God did turkey vultures - 2 dihecra aich up 2 wrn pushe sq1930 AMLA NATS Wfl2121 6012 bcNflhAn2 RU pro 10 SCO6Ilo lj cfihedraeachtip Mribsk exc atcentr&rLps 0 Winq rib izizzzIziII there arent left shown sketchDon Burnhamsis pretty typical advanced twin-pushers early Thirties Later some guys gussied up motors enclosed rolled balsa tubes such didnt make much impact Im told twin-pushers easy adjust cant vouch myself Build everything straight die tilt foreplaneas called itleft-tip-up right circle rotate about its vertical axis lefttip-forward Move mainplanewing isfore aft until glide OK makes too loopy climb Id suggest decreasing angle incidence foreplane re adjusting wing position good glide Thrustline angle adjustments used days using double-ended thrust bear ing tantamount cheating dont know what can specified drawing Ill try tell Id suggest get old book model aviation library can simply -turn loop wire secured motor stick open side up After winding motors simply pop tops cans cans keep unwound motors sagging over place also help prevent motor stick buckling bit too limp model shown sketch copied plans available Oldtimer Models John Ponds plans service probably has bunch twin-pushers available too will also find bunch earlier issuesof Frank Zaics Model Aeronautics Yearbooks Bert Ponds 76 Commemorative Book Both latter available reduced prices AMA Supply Service Bill Baker oresented article TPs August/September 1982 issue NEES Digest HLGs Juniors arent too Out door Hand-Launch Glider desigus kicking around suitable younsters 9 12 age bracket As solution Fred Terzian suggests getting reduced-size Xerox similar brand copies Several commercial machines likely find instant-print shops have something around 77% standard ratio brings 18 20-in span down 14 15-in just about right younger arms Freds youngest Christopher age nine can handle model size quite nicely got two maxes US FF Champs Eaglet about size Eleven-year-old David Terzian has flying scaled-down Fosters n,op 144 October 1982 63 Gib Robbins L Nats-winning Tee Dee 09-powered Satellite 320 Harry Murphy R has Supertigre 23-powered Max-A-Million 450 sq inwing Both sopping wet after rainy-day meet Murphy won MonoKoted model being waterproof Hey Inose lOOK IIKC real trophiesunlike urnial ones topped anatomically-improbable winged cuties awarded Magnificent Mountain Men Denver CO sponsored Fourth-of-July Annual L R Jerry Murphy Roger Maves Ken Phair performances Nordic Glider Wakefield FAI Power New rubber-stripper being manufactured Ray Harlan muchimproved version ones previously imported Poland Hungary Low-tech engine starter used high-tech guy Eugene Verbitaky USSR FAI Power models Hand-cranked flywheel genera tor Russian-built moped Generator drives glow plug through 30-year-old ammeter Dont argue success Works well following sources can supply very good materials Oldtimer Models PO Box 913 Westmin ster CA 92783 Japanese tissue balsa prop blanks balsa tapered trailing edge stock hard wood balsa wheels brass washers rubber motor rubber lube etc Catalog $100 Peck-Polymers PO Box 2498 La Mesa CA 92401 Japanese tissue plastic props rubber lube rubber motor Williams Bros wheels Catalog $100 Sig Manufacturing Co Inc Route 1 Box 1 Montezuma IA 50171 Sig rubber motor rub ber lube balsa tissue plastic props wheels Catalog $200 FF Duration/Meuser Continued page 63 Freeze now big enough handle fullsize gliders got two mazes third place using Polly Yet another Outdoor Rubber winder price tag baby will knock hat off what doesnt nowadays built Burt Precision headed Mike Di Martino housing hogged out block aluminum alloy anodized blue corrosion skuff re sistance absolutely gorgeous Speed switch set helical gears bearings anti-friction types ball roller needle Bob Piser chio has using prototype several years hitch Helical gears wee bit scarey side essentially amount worm-gear set run wrong direction thats OK aligned lubed properly Larry Parsons built some 40 years ago worked fine about 25 years started binding up turned out lube problem easily cured Burt Precision device lubed Teflon-loaded goop supposed stay put wipe off Let know 25 30 years whether claims true Id like know base price gulp $162 white sidewalls radio air conditioning available slight extra cost Order Burt Precision Bob Piser chio 5257 Stone Court San Diego CA 92115 New rubber-stripper available Most Indoor modelers have rubber-stripper some sort access oneto cut down A-in-wide stuff useful sizes alternative buy pre stripped rubber suppliers caters Indoor Peanut Scale modelers favorite stripper has Czechowski Poland no longer available fill need Ray Harlan manufacturers sorts neat stuff Indoor modelers has started manu facturing According Ray redesigned Czechowskis cutter improved over Hungarian model about 1970 came up shown photo has improved rubber gate smooth tunnel no interruptions unlike Czechowskis Also micrometer thumbwheels calibrated thousandths inch numbered five can keep track settings particular batch rubber Cutters hardened honed stainless steel sort used high-quality knives price $80 plus postage about twice selling price five years ago might justify cost think terms tanks gas would buy hear Japanese copy sells $105 course isnt demand would justify highproduction methods lot work Order Ray 15 Happy Hollow Road Wayland MA 01778 Hot tip have undoubtedly seen Satel lite City ads Hot Stuff Video-Tips club dealer has probably received order blanks although dont need form order tape Perhaps gave ho-hum strongly recommend reconsider arent big cyanoacrylate adhesives like Hot Stuffyou might become believer after seeing flickthe other hints tips worth price admission themselves During one-hour presentation Hunters Bill Bob build about half carcass RC model D-box leading edge have developed sneaky way avoiding use pins altogether provided parts accurately cut time build model little required put sticks proper places plans gluing itself takes hardly time flick available VHS cassettes $30 deposit required cassette must returned within 60 days have bought Order Satellite City PO Box 836 Simi CA 93062 phone 805 522-0062 Self Stooge other stories Ordinarily write least severely edit what appears column However following item wouldnt benefit drop editorial exper tise Ill lay exactly appeared Bat Sheet edited Tom Cashman would neat have photo go perhaps 1/8 SPORT SCALE PLANS 72 WING SPAN DESIGNED FOR SINGLE 40-45 SCHNEURLE ENGINE PRICE $1950 VOGEL AVIATION 4OEL DIV Box 54 RESEDA CA 91335 MARKV 4AND DRILL/WINDER $2800 Plus Freight * HEAVY DIE-CAST NYLON CASE * METAL GEARS * ADJUSTABLE GEAR TOLERANCE * BALL THRUST-BEARING ON SPINDLE 115 51ze PUSS MOTH DK 80 PUSS MOTH Ia beautifully proportioned flight Plan & Pattern Set RC6S-3 @ $lA95 WIgspanr 73 0 Engin. Please add 52OC 3 FII Si. Plan Sh.t. lnstntlonn Mailing Trrbe complot Bill Motartals boild 3-Channel RIC suggested Wing designed fold back 144 Model Aviation THE SAILPLANE CADDY Only Lift Money Can Buy Write free brochure SPO transports sailpianes 2M open class superships fantastic tool gets field/slope easy lift Furniture quality parts precut 1/2 maple plywood Dado cuts ensure quick & accurate joints very strong hooks screws & strap supplied kitWHAIE SALE AMA # osta e via Offer ood until 1 12/1983 mm uxm u some things better left minds eye Al Borer dazzled us few moves previously seen local competition First concept Self Stooge Al invented discovered rather unusual Coupe wouldnt fit conventional stooge sort hunkers down like someone preparing standing broad jump Coupe positioned below posterior nose forward wings lodged back flexed knees Next engages winder rubber hook holding winder bass-ackwards extends arms full length stretch rubber begins winding grace octopus falling out tree winding becomes very cautious approaches full turnsobviously motor could break severely damage Als equipment Coup could hurt too.. other innovative concept Yo-Yo Launch followed Self Stooge ritual soon timer procured Al would assume heroid stance vigorously launch model would immediately return hand seems its really easy wind rubber counter-clockwise employing Self Stooge system Unlimited Mulvihill event event will held sixth consecutive year 1983 US Free Flight Champs will change Previously has held Saturday first day meet will held Sunday second day meet has long time since sent rules event around various clubs dont think have ever published seems high time suggest other clubs flying such event use same rules simply sake standardization So goes goal fly models built according traditional Outdoor Rubber idiom under condi tions approximate still air closely practicable end following rules play imposed Model Design Construction AMA rules Mulvihill Outdoor Rubber models apply except specified herein Wing tail surfaces must either solid wood construction framed construction covered both sides Rubber motors must fully enclosed within model structure Minimum weight model 60 grams including rubber motor 30 grams rubber motor whichever lenient Procedures contestant allowed flight Any attempt make flight model leaves contestants hand considered flight timekeeper may move about immediate area model-launching site extent necessary prevent model being obscured sight local objects Optical aids sort permitted Models must launched between 600 am 620 am Times recorded minutes seconds fractions seconds dropped Score recorded timekeeper signature standard 3x5 file card giving contestants name AMA number Proxy flying permitted Contest manage ment will provide proxy fliers General Timekeepers tend scarce 600am bring friend possible keeping goal event weather conditions such models likely go out sight opinion Event Director event will postponed Build light trim deftly practice lots live clean beat Bob White 600 am start time used rules represents time sunrise Taft Memorial Day youre going fly different site date fudge starting time agree sunrise meet FF Hall Fame National Free Flight Society has announced recipients Free Flight Hall Fame Award 1982 Society very proud recognize achieve ments Lawrence Conover articles American Modeler No Strings Attached source much modeling knowhow rest model builders set standard FAL Power models Lucky Lindy design LANDING GEAR FOR BIGGIES Custom built aircraft aluminum specsextr strong lightweight includes axles$2250 up PRODUCTS FOR THE DISCERNING MODELER Complete Line Exhaust Systems * TunedMuffled Tuned Pipes * Headers * Venturi Mufflers * Expansion Mufflers * Helicopter Ball Mufflers * Specialized Exhaust Systems Unsurpassed Workmanshia & Performance October 1982 145 BROWN A-iiw-iSCALE DOCUIVIEN UATILJN TINY PEANUT CO-2 ENGINESCALE DRAWINGSAPHOTOSBOOKLETS ENGINE CHARGER3/4zJ MODEL PLANS COMPLETE CATALOG $10019e2 AIRPLANE CATALOGS * 200 PHONE 714 469-8075 442 4*367/ REPLA-TECI-4 INTORNATIONAL 49500 IVIC KENZIE Hwy VICA OREGON 97499 Peck-Pelynuers BOX 2498 MA LA MESA CALIF 92041 ATTENTION ERS 0 & 0 ENGINEERING 305j SW 2nd St 979-0671 ate Fl 33063 EPOXY GLASS COWLS FOR NOSEN PICA SIO MORGAN BALSA USA PLATT CONCEPT FLEET HOSTETLER RCM T-CRAFT SHEBER FliTs & SCALE SUPER CUB FOEKER 0-7 BOEING P- 12 P-2B F4B2 P484 SPARROW HAWK GEE BEE MOO r MACBR/ENS TURBULENT CHRISTEN EAGLE BRISIGHELLAs STAROUSTER II A SCALE_J3-BI_BABE FLYBABY AIRcAMPER PILOT JUNGAIANN 135 ScALE I/4SALEOEATHALON PIPER PAVW 6 OTHERS WHEEL PANTS FOR CI TA BR/A STAROUSTER II P/iTS SKYBOL T LIBER7YSPORT CHRISTEN EAGLE P6 E HA WK STEARMAN STINSON SR-B MULLIGAN & OTHERS BRAZED& HEAT-TREATED WIRE GEARS&CABAIJES LARGE SCALE PLANS AVAILABLE Send SASE latest list supply Modelers withfiberglass parts plansWrite call us T & D FIBERGLASS SPECIALTIES 30926 BLOCK GARDEN CIlY MI 48130 PHONE 313 421-6358 co-winner 1960 Joe Elgin designed Playboy series gas models Cleveland resulted todays modelers winning first contest Gordon S Light An Indoor Outdoor Rubber-power pioneer communicated other modelers through articles old Flying Aces magazine 1935 Wake field winner Gerald Ritz man progressive ideas writer articles aerodynamic theories strategic competitive flier 1959 Nordic World Champion Leon Shulman can forget designs departed norm Leon devel opeck Zombie Banshee Sky Rocket Zoomer Remember Drone Diesel Ray Arden Deceased Developed glow plug model use Designer famous Atom Arden engines classic inventor yester year FF Model Year National Free Flight Society very proud announce its selections 10 Model Year awards International class FIANORDIC 811 Ivan Horejsi Czechoslovakia FIBRUBBER Espada Lothar Doring West Germany FIHGLLDER Hot Max Jorgen Kors gaard Denmark AMA/Outdoor Large Power Sweet Daddy Pearl Richard Covalt Small Power Pay-Triot Harry Murphy Rubber Monarch II Chris Matsuno Indoor Paper Stick Paper Tiger II Jim Richmond rMIiwIMU 40 IVILJUUI EU Ttoe GENTLEMANS PLANE Very easy bulldog 6 DeIghtlol gentle osion air No sting Mosgoitos PLANS 2 SIZES Fall Cia highty detailed GENTLE GIANT 1106 tot OUADRA92400 GENTLE LADY 801040604-CyCle twinSi 700 Other superb giant-scale plansFull sire 9 FOEKER 0-VIII 2-4 Ca in92500 9 PT-I 9 Oeadra Kionila92800 9 PIPER 1-4 Military J-3 Cab Oaadra$2000 sand neaR nhenk Plans sent tolled UPS POSTPAID macac order ICi toreign Orders add 40% tot air mad TAYLOR-C RAFT Send large sane brochures ot LEE TAYLORall Taylorctatt plans Otteriegs 218 WillOw AnannaComing soon 8 Grumman Tigert Ronanllle CA 956786 Varga Kachina Hand-Launched Glider Upstart Mark Drela Special Awards Model Aeronautic Yearbook Frank Zaic Chambermaid Bill Henn Bob Meuser 4200 Gregory St Oakland CA 94619 FF Scale/Warner Continued page 65 have something works well drop line Removing warps saves planes dont like see good plane crash because little twisted wing often check before fatal spiral dive takes place After much consultation field-testing few important facts emerge First build warp-free structures use lowshrink covering doping techniques see August 1982 MA p 146 get ajump problem Next dewarp wings tail surfaces over steaming flat pan water teakettle twisting wing tail part opposite direc tion warp heating covering until wrinkles disappearthen moving off cooler part room until job cools after part released detect warps hold model out arms length prop facing close eye level-sight along bottom wing near fuselage sight out along wing toward tip see more underside move out wing has washin Washout can spotted turning RJL K61 eAmerican made Schnuerle ports eDouble ball bearing ePerry carburete eForged & domed piston eForged & busbou rod 0-ring sealed back cover lnvestment cast crankcase Kraft Engine Warranty Parts & Repair RJL INDUSTRIES PO Box 5654 PASADENA CA 91107 213 359-0016 213 795-9821 tail toward repeating process planes wing struts may neces sary cut struts bias take out warp re-glue strut easier shorten lengthen other De warping pair struts holding warp well-nigh impossible gets field taking warps out comes harder unless bring along source steam see March 1980 FF Scale column no best way field warpremoval old breathe-hard-on-it-a-few times-and-twist method common unless check just before launch may find has reverted original about two seconds after launch Heat application via hair dryer fine have Winnebago could get little plastic steam travel irons Haight uses takes plain water salt us have no AC outlet propane torch Sterno can lighted cigarette car exhaust may have methods however occasionally set wings alight make little round burn marks splatter little black spots plane use bad method interpose hand twixt flame wing now check heat Also remember heat can put em well take em out keep model shade much possible out closed auto trunks never back window plastic props have known melt Taking out drastic warp prob lem cant done easily field French connection Nice Guy Giudici pokes out tissue between ribs soaks wing tub overnight recovered until has couple weeks building board 146 Model Aviation 4 FULL SIZE PLANS GREAT SPORT FLYER WITH 602657 NE iBSifiStrE COMPLETE BUILDING INSTRUCTIONS Send $1 complete catalog Lectra Starter Attn Dealers Stocking Dealer Program will save up 20% over normal discount Write call todayl Eastcraft Specialty Products PO Box 25M5 Irwin PA 15642 412 864-4869 auggested Retail $14800 Muffler Included
Edition: Model Aviation - 1982/10
Page Numbers: 62, 63, 144, 145, 146
Free Flight DURA TION Bob Meuser ot&rn2EJ moeLs $ans LE Jrop Hprop TWIN PUSHERS Twin-pusher canards domi nated Outdoor Free Flight quarter century until early Thirties simple reason won Other configurations tried failed Perhaps simply matter everyone following beaten rut Indoor singleprop tractors well understood decalage used like 8 10 degrees must have put CG somewhere near leading edge OK perhaps Indoor flying far too loopy Outdoor success Outdoor models much happier small decalage big tails long distances between wing tail necessarily CG position long ways back leading edge perhaps behind trailing edge would interesting trace transition twinpushers single-tractors Outdoor competi tion Ill have leave up guys Bill Hannan caught practicing what preaches book Peanut P0 chucks Farman Mosquito skyward Bill Noonan photo Bobs got lot say about twin-pushers month youve never seen before heres what contest-winner looked like 62 Model Aviation classiest expensive Outdoor Rubber winder yett Bob extols its virtues its manufacturer column Hemember UoDs sketch wingless May 1 9B2 issue Seems John Ferrer put P-30 several years ago Note hes got em lust about right slight negative incidence forward winglet progressively increasing incidence angles ones aft Just way God did turkey vultures - 2 dihecra aich up 2 wrn pushe sq1930 AMLA NATS Wfl2121 6012 bcNflhAn2 RU pro 10 SCO6Ilo lj cfihedraeachtip Mribsk exc atcentr&rLps 0 Winq rib izizzzIziII there arent left shown sketchDon Burnhamsis pretty typical advanced twin-pushers early Thirties Later some guys gussied up motors enclosed rolled balsa tubes such didnt make much impact Im told twin-pushers easy adjust cant vouch myself Build everything straight die tilt foreplaneas called itleft-tip-up right circle rotate about its vertical axis lefttip-forward Move mainplanewing isfore aft until glide OK makes too loopy climb Id suggest decreasing angle incidence foreplane re adjusting wing position good glide Thrustline angle adjustments used days using double-ended thrust bear ing tantamount cheating dont know what can specified drawing Ill try tell Id suggest get old book model aviation library can simply -turn loop wire secured motor stick open side up After winding motors simply pop tops cans cans keep unwound motors sagging over place also help prevent motor stick buckling bit too limp model shown sketch copied plans available Oldtimer Models John Ponds plans service probably has bunch twin-pushers available too will also find bunch earlier issuesof Frank Zaics Model Aeronautics Yearbooks Bert Ponds 76 Commemorative Book Both latter available reduced prices AMA Supply Service Bill Baker oresented article TPs August/September 1982 issue NEES Digest HLGs Juniors arent too Out door Hand-Launch Glider desigus kicking around suitable younsters 9 12 age bracket As solution Fred Terzian suggests getting reduced-size Xerox similar brand copies Several commercial machines likely find instant-print shops have something around 77% standard ratio brings 18 20-in span down 14 15-in just about right younger arms Freds youngest Christopher age nine can handle model size quite nicely got two maxes US FF Champs Eaglet about size Eleven-year-old David Terzian has flying scaled-down Fosters n,op 144 October 1982 63 Gib Robbins L Nats-winning Tee Dee 09-powered Satellite 320 Harry Murphy R has Supertigre 23-powered Max-A-Million 450 sq inwing Both sopping wet after rainy-day meet Murphy won MonoKoted model being waterproof Hey Inose lOOK IIKC real trophiesunlike urnial ones topped anatomically-improbable winged cuties awarded Magnificent Mountain Men Denver CO sponsored Fourth-of-July Annual L R Jerry Murphy Roger Maves Ken Phair performances Nordic Glider Wakefield FAI Power New rubber-stripper being manufactured Ray Harlan muchimproved version ones previously imported Poland Hungary Low-tech engine starter used high-tech guy Eugene Verbitaky USSR FAI Power models Hand-cranked flywheel genera tor Russian-built moped Generator drives glow plug through 30-year-old ammeter Dont argue success Works well following sources can supply very good materials Oldtimer Models PO Box 913 Westmin ster CA 92783 Japanese tissue balsa prop blanks balsa tapered trailing edge stock hard wood balsa wheels brass washers rubber motor rubber lube etc Catalog $100 Peck-Polymers PO Box 2498 La Mesa CA 92401 Japanese tissue plastic props rubber lube rubber motor Williams Bros wheels Catalog $100 Sig Manufacturing Co Inc Route 1 Box 1 Montezuma IA 50171 Sig rubber motor rub ber lube balsa tissue plastic props wheels Catalog $200 FF Duration/Meuser Continued page 63 Freeze now big enough handle fullsize gliders got two mazes third place using Polly Yet another Outdoor Rubber winder price tag baby will knock hat off what doesnt nowadays built Burt Precision headed Mike Di Martino housing hogged out block aluminum alloy anodized blue corrosion skuff re sistance absolutely gorgeous Speed switch set helical gears bearings anti-friction types ball roller needle Bob Piser chio has using prototype several years hitch Helical gears wee bit scarey side essentially amount worm-gear set run wrong direction thats OK aligned lubed properly Larry Parsons built some 40 years ago worked fine about 25 years started binding up turned out lube problem easily cured Burt Precision device lubed Teflon-loaded goop supposed stay put wipe off Let know 25 30 years whether claims true Id like know base price gulp $162 white sidewalls radio air conditioning available slight extra cost Order Burt Precision Bob Piser chio 5257 Stone Court San Diego CA 92115 New rubber-stripper available Most Indoor modelers have rubber-stripper some sort access oneto cut down A-in-wide stuff useful sizes alternative buy pre stripped rubber suppliers caters Indoor Peanut Scale modelers favorite stripper has Czechowski Poland no longer available fill need Ray Harlan manufacturers sorts neat stuff Indoor modelers has started manu facturing According Ray redesigned Czechowskis cutter improved over Hungarian model about 1970 came up shown photo has improved rubber gate smooth tunnel no interruptions unlike Czechowskis Also micrometer thumbwheels calibrated thousandths inch numbered five can keep track settings particular batch rubber Cutters hardened honed stainless steel sort used high-quality knives price $80 plus postage about twice selling price five years ago might justify cost think terms tanks gas would buy hear Japanese copy sells $105 course isnt demand would justify highproduction methods lot work Order Ray 15 Happy Hollow Road Wayland MA 01778 Hot tip have undoubtedly seen Satel lite City ads Hot Stuff Video-Tips club dealer has probably received order blanks although dont need form order tape Perhaps gave ho-hum strongly recommend reconsider arent big cyanoacrylate adhesives like Hot Stuffyou might become believer after seeing flickthe other hints tips worth price admission themselves During one-hour presentation Hunters Bill Bob build about half carcass RC model D-box leading edge have developed sneaky way avoiding use pins altogether provided parts accurately cut time build model little required put sticks proper places plans gluing itself takes hardly time flick available VHS cassettes $30 deposit required cassette must returned within 60 days have bought Order Satellite City PO Box 836 Simi CA 93062 phone 805 522-0062 Self Stooge other stories Ordinarily write least severely edit what appears column However following item wouldnt benefit drop editorial exper tise Ill lay exactly appeared Bat Sheet edited Tom Cashman would neat have photo go perhaps 1/8 SPORT SCALE PLANS 72 WING SPAN DESIGNED FOR SINGLE 40-45 SCHNEURLE ENGINE PRICE $1950 VOGEL AVIATION 4OEL DIV Box 54 RESEDA CA 91335 MARKV 4AND DRILL/WINDER $2800 Plus Freight * HEAVY DIE-CAST NYLON CASE * METAL GEARS * ADJUSTABLE GEAR TOLERANCE * BALL THRUST-BEARING ON SPINDLE 115 51ze PUSS MOTH DK 80 PUSS MOTH Ia beautifully proportioned flight Plan & Pattern Set RC6S-3 @ $lA95 WIgspanr 73 0 Engin. Please add 52OC 3 FII Si. Plan Sh.t. lnstntlonn Mailing Trrbe complot Bill Motartals boild 3-Channel RIC suggested Wing designed fold back 144 Model Aviation THE SAILPLANE CADDY Only Lift Money Can Buy Write free brochure SPO transports sailpianes 2M open class superships fantastic tool gets field/slope easy lift Furniture quality parts precut 1/2 maple plywood Dado cuts ensure quick & accurate joints very strong hooks screws & strap supplied kitWHAIE SALE AMA # osta e via Offer ood until 1 12/1983 mm uxm u some things better left minds eye Al Borer dazzled us few moves previously seen local competition First concept Self Stooge Al invented discovered rather unusual Coupe wouldnt fit conventional stooge sort hunkers down like someone preparing standing broad jump Coupe positioned below posterior nose forward wings lodged back flexed knees Next engages winder rubber hook holding winder bass-ackwards extends arms full length stretch rubber begins winding grace octopus falling out tree winding becomes very cautious approaches full turnsobviously motor could break severely damage Als equipment Coup could hurt too.. other innovative concept Yo-Yo Launch followed Self Stooge ritual soon timer procured Al would assume heroid stance vigorously launch model would immediately return hand seems its really easy wind rubber counter-clockwise employing Self Stooge system Unlimited Mulvihill event event will held sixth consecutive year 1983 US Free Flight Champs will change Previously has held Saturday first day meet will held Sunday second day meet has long time since sent rules event around various clubs dont think have ever published seems high time suggest other clubs flying such event use same rules simply sake standardization So goes goal fly models built according traditional Outdoor Rubber idiom under condi tions approximate still air closely practicable end following rules play imposed Model Design Construction AMA rules Mulvihill Outdoor Rubber models apply except specified herein Wing tail surfaces must either solid wood construction framed construction covered both sides Rubber motors must fully enclosed within model structure Minimum weight model 60 grams including rubber motor 30 grams rubber motor whichever lenient Procedures contestant allowed flight Any attempt make flight model leaves contestants hand considered flight timekeeper may move about immediate area model-launching site extent necessary prevent model being obscured sight local objects Optical aids sort permitted Models must launched between 600 am 620 am Times recorded minutes seconds fractions seconds dropped Score recorded timekeeper signature standard 3x5 file card giving contestants name AMA number Proxy flying permitted Contest manage ment will provide proxy fliers General Timekeepers tend scarce 600am bring friend possible keeping goal event weather conditions such models likely go out sight opinion Event Director event will postponed Build light trim deftly practice lots live clean beat Bob White 600 am start time used rules represents time sunrise Taft Memorial Day youre going fly different site date fudge starting time agree sunrise meet FF Hall Fame National Free Flight Society has announced recipients Free Flight Hall Fame Award 1982 Society very proud recognize achieve ments Lawrence Conover articles American Modeler No Strings Attached source much modeling knowhow rest model builders set standard FAL Power models Lucky Lindy design LANDING GEAR FOR BIGGIES Custom built aircraft aluminum specsextr strong lightweight includes axles$2250 up PRODUCTS FOR THE DISCERNING MODELER Complete Line Exhaust Systems * TunedMuffled Tuned Pipes * Headers * Venturi Mufflers * Expansion Mufflers * Helicopter Ball Mufflers * Specialized Exhaust Systems Unsurpassed Workmanshia & Performance October 1982 145 BROWN A-iiw-iSCALE DOCUIVIEN UATILJN TINY PEANUT CO-2 ENGINESCALE DRAWINGSAPHOTOSBOOKLETS ENGINE CHARGER3/4zJ MODEL PLANS COMPLETE CATALOG $10019e2 AIRPLANE CATALOGS * 200 PHONE 714 469-8075 442 4*367/ REPLA-TECI-4 INTORNATIONAL 49500 IVIC KENZIE Hwy VICA OREGON 97499 Peck-Pelynuers BOX 2498 MA LA MESA CALIF 92041 ATTENTION ERS 0 & 0 ENGINEERING 305j SW 2nd St 979-0671 ate Fl 33063 EPOXY GLASS COWLS FOR NOSEN PICA SIO MORGAN BALSA USA PLATT CONCEPT FLEET HOSTETLER RCM T-CRAFT SHEBER FliTs & SCALE SUPER CUB FOEKER 0-7 BOEING P- 12 P-2B F4B2 P484 SPARROW HAWK GEE BEE MOO r MACBR/ENS TURBULENT CHRISTEN EAGLE BRISIGHELLAs STAROUSTER II A SCALE_J3-BI_BABE FLYBABY AIRcAMPER PILOT JUNGAIANN 135 ScALE I/4SALEOEATHALON PIPER PAVW 6 OTHERS WHEEL PANTS FOR CI TA BR/A STAROUSTER II P/iTS SKYBOL T LIBER7YSPORT CHRISTEN EAGLE P6 E HA WK STEARMAN STINSON SR-B MULLIGAN & OTHERS BRAZED& HEAT-TREATED WIRE GEARS&CABAIJES LARGE SCALE PLANS AVAILABLE Send SASE latest list supply Modelers withfiberglass parts plansWrite call us T & D FIBERGLASS SPECIALTIES 30926 BLOCK GARDEN CIlY MI 48130 PHONE 313 421-6358 co-winner 1960 Joe Elgin designed Playboy series gas models Cleveland resulted todays modelers winning first contest Gordon S Light An Indoor Outdoor Rubber-power pioneer communicated other modelers through articles old Flying Aces magazine 1935 Wake field winner Gerald Ritz man progressive ideas writer articles aerodynamic theories strategic competitive flier 1959 Nordic World Champion Leon Shulman can forget designs departed norm Leon devel opeck Zombie Banshee Sky Rocket Zoomer Remember Drone Diesel Ray Arden Deceased Developed glow plug model use Designer famous Atom Arden engines classic inventor yester year FF Model Year National Free Flight Society very proud announce its selections 10 Model Year awards International class FIANORDIC 811 Ivan Horejsi Czechoslovakia FIBRUBBER Espada Lothar Doring West Germany FIHGLLDER Hot Max Jorgen Kors gaard Denmark AMA/Outdoor Large Power Sweet Daddy Pearl Richard Covalt Small Power Pay-Triot Harry Murphy Rubber Monarch II Chris Matsuno Indoor Paper Stick Paper Tiger II Jim Richmond rMIiwIMU 40 IVILJUUI EU Ttoe GENTLEMANS PLANE Very easy bulldog 6 DeIghtlol gentle osion air No sting Mosgoitos PLANS 2 SIZES Fall Cia highty detailed GENTLE GIANT 1106 tot OUADRA92400 GENTLE LADY 801040604-CyCle twinSi 700 Other superb giant-scale plansFull sire 9 FOEKER 0-VIII 2-4 Ca in92500 9 PT-I 9 Oeadra Kionila92800 9 PIPER 1-4 Military J-3 Cab Oaadra$2000 sand neaR nhenk Plans sent tolled UPS POSTPAID macac order ICi toreign Orders add 40% tot air mad TAYLOR-C RAFT Send large sane brochures ot LEE TAYLORall Taylorctatt plans Otteriegs 218 WillOw AnannaComing soon 8 Grumman Tigert Ronanllle CA 956786 Varga Kachina Hand-Launched Glider Upstart Mark Drela Special Awards Model Aeronautic Yearbook Frank Zaic Chambermaid Bill Henn Bob Meuser 4200 Gregory St Oakland CA 94619 FF Scale/Warner Continued page 65 have something works well drop line Removing warps saves planes dont like see good plane crash because little twisted wing often check before fatal spiral dive takes place After much consultation field-testing few important facts emerge First build warp-free structures use lowshrink covering doping techniques see August 1982 MA p 146 get ajump problem Next dewarp wings tail surfaces over steaming flat pan water teakettle twisting wing tail part opposite direc tion warp heating covering until wrinkles disappearthen moving off cooler part room until job cools after part released detect warps hold model out arms length prop facing close eye level-sight along bottom wing near fuselage sight out along wing toward tip see more underside move out wing has washin Washout can spotted turning RJL K61 eAmerican made Schnuerle ports eDouble ball bearing ePerry carburete eForged & domed piston eForged & busbou rod 0-ring sealed back cover lnvestment cast crankcase Kraft Engine Warranty Parts & Repair RJL INDUSTRIES PO Box 5654 PASADENA CA 91107 213 359-0016 213 795-9821 tail toward repeating process planes wing struts may neces sary cut struts bias take out warp re-glue strut easier shorten lengthen other De warping pair struts holding warp well-nigh impossible gets field taking warps out comes harder unless bring along source steam see March 1980 FF Scale column no best way field warpremoval old breathe-hard-on-it-a-few times-and-twist method common unless check just before launch may find has reverted original about two seconds after launch Heat application via hair dryer fine have Winnebago could get little plastic steam travel irons Haight uses takes plain water salt us have no AC outlet propane torch Sterno can lighted cigarette car exhaust may have methods however occasionally set wings alight make little round burn marks splatter little black spots plane use bad method interpose hand twixt flame wing now check heat Also remember heat can put em well take em out keep model shade much possible out closed auto trunks never back window plastic props have known melt Taking out drastic warp prob lem cant done easily field French connection Nice Guy Giudici pokes out tissue between ribs soaks wing tub overnight recovered until has couple weeks building board 146 Model Aviation 4 FULL SIZE PLANS GREAT SPORT FLYER WITH 602657 NE iBSifiStrE COMPLETE BUILDING INSTRUCTIONS Send $1 complete catalog Lectra Starter Attn Dealers Stocking Dealer Program will save up 20% over normal discount Write call todayl Eastcraft Specialty Products PO Box 25M5 Irwin PA 15642 412 864-4869 auggested Retail $14800 Muffler Included
Edition: Model Aviation - 1982/10
Page Numbers: 62, 63, 144, 145, 146
Free Flight DURA TION Bob Meuser ot&rn2EJ moeLs $ans LE Jrop Hprop TWIN PUSHERS Twin-pusher canards domi nated Outdoor Free Flight quarter century until early Thirties simple reason won Other configurations tried failed Perhaps simply matter everyone following beaten rut Indoor singleprop tractors well understood decalage used like 8 10 degrees must have put CG somewhere near leading edge OK perhaps Indoor flying far too loopy Outdoor success Outdoor models much happier small decalage big tails long distances between wing tail necessarily CG position long ways back leading edge perhaps behind trailing edge would interesting trace transition twinpushers single-tractors Outdoor competi tion Ill have leave up guys Bill Hannan caught practicing what preaches book Peanut P0 chucks Farman Mosquito skyward Bill Noonan photo Bobs got lot say about twin-pushers month youve never seen before heres what contest-winner looked like 62 Model Aviation classiest expensive Outdoor Rubber winder yett Bob extols its virtues its manufacturer column Hemember UoDs sketch wingless May 1 9B2 issue Seems John Ferrer put P-30 several years ago Note hes got em lust about right slight negative incidence forward winglet progressively increasing incidence angles ones aft Just way God did turkey vultures - 2 dihecra aich up 2 wrn pushe sq1930 AMLA NATS Wfl2121 6012 bcNflhAn2 RU pro 10 SCO6Ilo lj cfihedraeachtip Mribsk exc atcentr&rLps 0 Winq rib izizzzIziII there arent left shown sketchDon Burnhamsis pretty typical advanced twin-pushers early Thirties Later some guys gussied up motors enclosed rolled balsa tubes such didnt make much impact Im told twin-pushers easy adjust cant vouch myself Build everything straight die tilt foreplaneas called itleft-tip-up right circle rotate about its vertical axis lefttip-forward Move mainplanewing isfore aft until glide OK makes too loopy climb Id suggest decreasing angle incidence foreplane re adjusting wing position good glide Thrustline angle adjustments used days using double-ended thrust bear ing tantamount cheating dont know what can specified drawing Ill try tell Id suggest get old book model aviation library can simply -turn loop wire secured motor stick open side up After winding motors simply pop tops cans cans keep unwound motors sagging over place also help prevent motor stick buckling bit too limp model shown sketch copied plans available Oldtimer Models John Ponds plans service probably has bunch twin-pushers available too will also find bunch earlier issuesof Frank Zaics Model Aeronautics Yearbooks Bert Ponds 76 Commemorative Book Both latter available reduced prices AMA Supply Service Bill Baker oresented article TPs August/September 1982 issue NEES Digest HLGs Juniors arent too Out door Hand-Launch Glider desigus kicking around suitable younsters 9 12 age bracket As solution Fred Terzian suggests getting reduced-size Xerox similar brand copies Several commercial machines likely find instant-print shops have something around 77% standard ratio brings 18 20-in span down 14 15-in just about right younger arms Freds youngest Christopher age nine can handle model size quite nicely got two maxes US FF Champs Eaglet about size Eleven-year-old David Terzian has flying scaled-down Fosters n,op 144 October 1982 63 Gib Robbins L Nats-winning Tee Dee 09-powered Satellite 320 Harry Murphy R has Supertigre 23-powered Max-A-Million 450 sq inwing Both sopping wet after rainy-day meet Murphy won MonoKoted model being waterproof Hey Inose lOOK IIKC real trophiesunlike urnial ones topped anatomically-improbable winged cuties awarded Magnificent Mountain Men Denver CO sponsored Fourth-of-July Annual L R Jerry Murphy Roger Maves Ken Phair performances Nordic Glider Wakefield FAI Power New rubber-stripper being manufactured Ray Harlan muchimproved version ones previously imported Poland Hungary Low-tech engine starter used high-tech guy Eugene Verbitaky USSR FAI Power models Hand-cranked flywheel genera tor Russian-built moped Generator drives glow plug through 30-year-old ammeter Dont argue success Works well following sources can supply very good materials Oldtimer Models PO Box 913 Westmin ster CA 92783 Japanese tissue balsa prop blanks balsa tapered trailing edge stock hard wood balsa wheels brass washers rubber motor rubber lube etc Catalog $100 Peck-Polymers PO Box 2498 La Mesa CA 92401 Japanese tissue plastic props rubber lube rubber motor Williams Bros wheels Catalog $100 Sig Manufacturing Co Inc Route 1 Box 1 Montezuma IA 50171 Sig rubber motor rub ber lube balsa tissue plastic props wheels Catalog $200 FF Duration/Meuser Continued page 63 Freeze now big enough handle fullsize gliders got two mazes third place using Polly Yet another Outdoor Rubber winder price tag baby will knock hat off what doesnt nowadays built Burt Precision headed Mike Di Martino housing hogged out block aluminum alloy anodized blue corrosion skuff re sistance absolutely gorgeous Speed switch set helical gears bearings anti-friction types ball roller needle Bob Piser chio has using prototype several years hitch Helical gears wee bit scarey side essentially amount worm-gear set run wrong direction thats OK aligned lubed properly Larry Parsons built some 40 years ago worked fine about 25 years started binding up turned out lube problem easily cured Burt Precision device lubed Teflon-loaded goop supposed stay put wipe off Let know 25 30 years whether claims true Id like know base price gulp $162 white sidewalls radio air conditioning available slight extra cost Order Burt Precision Bob Piser chio 5257 Stone Court San Diego CA 92115 New rubber-stripper available Most Indoor modelers have rubber-stripper some sort access oneto cut down A-in-wide stuff useful sizes alternative buy pre stripped rubber suppliers caters Indoor Peanut Scale modelers favorite stripper has Czechowski Poland no longer available fill need Ray Harlan manufacturers sorts neat stuff Indoor modelers has started manu facturing According Ray redesigned Czechowskis cutter improved over Hungarian model about 1970 came up shown photo has improved rubber gate smooth tunnel no interruptions unlike Czechowskis Also micrometer thumbwheels calibrated thousandths inch numbered five can keep track settings particular batch rubber Cutters hardened honed stainless steel sort used high-quality knives price $80 plus postage about twice selling price five years ago might justify cost think terms tanks gas would buy hear Japanese copy sells $105 course isnt demand would justify highproduction methods lot work Order Ray 15 Happy Hollow Road Wayland MA 01778 Hot tip have undoubtedly seen Satel lite City ads Hot Stuff Video-Tips club dealer has probably received order blanks although dont need form order tape Perhaps gave ho-hum strongly recommend reconsider arent big cyanoacrylate adhesives like Hot Stuffyou might become believer after seeing flickthe other hints tips worth price admission themselves During one-hour presentation Hunters Bill Bob build about half carcass RC model D-box leading edge have developed sneaky way avoiding use pins altogether provided parts accurately cut time build model little required put sticks proper places plans gluing itself takes hardly time flick available VHS cassettes $30 deposit required cassette must returned within 60 days have bought Order Satellite City PO Box 836 Simi CA 93062 phone 805 522-0062 Self Stooge other stories Ordinarily write least severely edit what appears column However following item wouldnt benefit drop editorial exper tise Ill lay exactly appeared Bat Sheet edited Tom Cashman would neat have photo go perhaps 1/8 SPORT SCALE PLANS 72 WING SPAN DESIGNED FOR SINGLE 40-45 SCHNEURLE ENGINE PRICE $1950 VOGEL AVIATION 4OEL DIV Box 54 RESEDA CA 91335 MARKV 4AND DRILL/WINDER $2800 Plus Freight * HEAVY DIE-CAST NYLON CASE * METAL GEARS * ADJUSTABLE GEAR TOLERANCE * BALL THRUST-BEARING ON SPINDLE 115 51ze PUSS MOTH DK 80 PUSS MOTH Ia beautifully proportioned flight Plan & Pattern Set RC6S-3 @ $lA95 WIgspanr 73 0 Engin. Please add 52OC 3 FII Si. Plan Sh.t. lnstntlonn Mailing Trrbe complot Bill Motartals boild 3-Channel RIC suggested Wing designed fold back 144 Model Aviation THE SAILPLANE CADDY Only Lift Money Can Buy Write free brochure SPO transports sailpianes 2M open class superships fantastic tool gets field/slope easy lift Furniture quality parts precut 1/2 maple plywood Dado cuts ensure quick & accurate joints very strong hooks screws & strap supplied kitWHAIE SALE AMA # osta e via Offer ood until 1 12/1983 mm uxm u some things better left minds eye Al Borer dazzled us few moves previously seen local competition First concept Self Stooge Al invented discovered rather unusual Coupe wouldnt fit conventional stooge sort hunkers down like someone preparing standing broad jump Coupe positioned below posterior nose forward wings lodged back flexed knees Next engages winder rubber hook holding winder bass-ackwards extends arms full length stretch rubber begins winding grace octopus falling out tree winding becomes very cautious approaches full turnsobviously motor could break severely damage Als equipment Coup could hurt too.. other innovative concept Yo-Yo Launch followed Self Stooge ritual soon timer procured Al would assume heroid stance vigorously launch model would immediately return hand seems its really easy wind rubber counter-clockwise employing Self Stooge system Unlimited Mulvihill event event will held sixth consecutive year 1983 US Free Flight Champs will change Previously has held Saturday first day meet will held Sunday second day meet has long time since sent rules event around various clubs dont think have ever published seems high time suggest other clubs flying such event use same rules simply sake standardization So goes goal fly models built according traditional Outdoor Rubber idiom under condi tions approximate still air closely practicable end following rules play imposed Model Design Construction AMA rules Mulvihill Outdoor Rubber models apply except specified herein Wing tail surfaces must either solid wood construction framed construction covered both sides Rubber motors must fully enclosed within model structure Minimum weight model 60 grams including rubber motor 30 grams rubber motor whichever lenient Procedures contestant allowed flight Any attempt make flight model leaves contestants hand considered flight timekeeper may move about immediate area model-launching site extent necessary prevent model being obscured sight local objects Optical aids sort permitted Models must launched between 600 am 620 am Times recorded minutes seconds fractions seconds dropped Score recorded timekeeper signature standard 3x5 file card giving contestants name AMA number Proxy flying permitted Contest manage ment will provide proxy fliers General Timekeepers tend scarce 600am bring friend possible keeping goal event weather conditions such models likely go out sight opinion Event Director event will postponed Build light trim deftly practice lots live clean beat Bob White 600 am start time used rules represents time sunrise Taft Memorial Day youre going fly different site date fudge starting time agree sunrise meet FF Hall Fame National Free Flight Society has announced recipients Free Flight Hall Fame Award 1982 Society very proud recognize achieve ments Lawrence Conover articles American Modeler No Strings Attached source much modeling knowhow rest model builders set standard FAL Power models Lucky Lindy design LANDING GEAR FOR BIGGIES Custom built aircraft aluminum specsextr strong lightweight includes axles$2250 up PRODUCTS FOR THE DISCERNING MODELER Complete Line Exhaust Systems * TunedMuffled Tuned Pipes * Headers * Venturi Mufflers * Expansion Mufflers * Helicopter Ball Mufflers * Specialized Exhaust Systems Unsurpassed Workmanshia & Performance October 1982 145 BROWN A-iiw-iSCALE DOCUIVIEN UATILJN TINY PEANUT CO-2 ENGINESCALE DRAWINGSAPHOTOSBOOKLETS ENGINE CHARGER3/4zJ MODEL PLANS COMPLETE CATALOG $10019e2 AIRPLANE CATALOGS * 200 PHONE 714 469-8075 442 4*367/ REPLA-TECI-4 INTORNATIONAL 49500 IVIC KENZIE Hwy VICA OREGON 97499 Peck-Pelynuers BOX 2498 MA LA MESA CALIF 92041 ATTENTION ERS 0 & 0 ENGINEERING 305j SW 2nd St 979-0671 ate Fl 33063 EPOXY GLASS COWLS FOR NOSEN PICA SIO MORGAN BALSA USA PLATT CONCEPT FLEET HOSTETLER RCM T-CRAFT SHEBER FliTs & SCALE SUPER CUB FOEKER 0-7 BOEING P- 12 P-2B F4B2 P484 SPARROW HAWK GEE BEE MOO r MACBR/ENS TURBULENT CHRISTEN EAGLE BRISIGHELLAs STAROUSTER II A SCALE_J3-BI_BABE FLYBABY AIRcAMPER PILOT JUNGAIANN 135 ScALE I/4SALEOEATHALON PIPER PAVW 6 OTHERS WHEEL PANTS FOR CI TA BR/A STAROUSTER II P/iTS SKYBOL T LIBER7YSPORT CHRISTEN EAGLE P6 E HA WK STEARMAN STINSON SR-B MULLIGAN & OTHERS BRAZED& HEAT-TREATED WIRE GEARS&CABAIJES LARGE SCALE PLANS AVAILABLE Send SASE latest list supply Modelers withfiberglass parts plansWrite call us T & D FIBERGLASS SPECIALTIES 30926 BLOCK GARDEN CIlY MI 48130 PHONE 313 421-6358 co-winner 1960 Joe Elgin designed Playboy series gas models Cleveland resulted todays modelers winning first contest Gordon S Light An Indoor Outdoor Rubber-power pioneer communicated other modelers through articles old Flying Aces magazine 1935 Wake field winner Gerald Ritz man progressive ideas writer articles aerodynamic theories strategic competitive flier 1959 Nordic World Champion Leon Shulman can forget designs departed norm Leon devel opeck Zombie Banshee Sky Rocket Zoomer Remember Drone Diesel Ray Arden Deceased Developed glow plug model use Designer famous Atom Arden engines classic inventor yester year FF Model Year National Free Flight Society very proud announce its selections 10 Model Year awards International class FIANORDIC 811 Ivan Horejsi Czechoslovakia FIBRUBBER Espada Lothar Doring West Germany FIHGLLDER Hot Max Jorgen Kors gaard Denmark AMA/Outdoor Large Power Sweet Daddy Pearl Richard Covalt Small Power Pay-Triot Harry Murphy Rubber Monarch II Chris Matsuno Indoor Paper Stick Paper Tiger II Jim Richmond rMIiwIMU 40 IVILJUUI EU Ttoe GENTLEMANS PLANE Very easy bulldog 6 DeIghtlol gentle osion air No sting Mosgoitos PLANS 2 SIZES Fall Cia highty detailed GENTLE GIANT 1106 tot OUADRA92400 GENTLE LADY 801040604-CyCle twinSi 700 Other superb giant-scale plansFull sire 9 FOEKER 0-VIII 2-4 Ca in92500 9 PT-I 9 Oeadra Kionila92800 9 PIPER 1-4 Military J-3 Cab Oaadra$2000 sand neaR nhenk Plans sent tolled UPS POSTPAID macac order ICi toreign Orders add 40% tot air mad TAYLOR-C RAFT Send large sane brochures ot LEE TAYLORall Taylorctatt plans Otteriegs 218 WillOw AnannaComing soon 8 Grumman Tigert Ronanllle CA 956786 Varga Kachina Hand-Launched Glider Upstart Mark Drela Special Awards Model Aeronautic Yearbook Frank Zaic Chambermaid Bill Henn Bob Meuser 4200 Gregory St Oakland CA 94619 FF Scale/Warner Continued page 65 have something works well drop line Removing warps saves planes dont like see good plane crash because little twisted wing often check before fatal spiral dive takes place After much consultation field-testing few important facts emerge First build warp-free structures use lowshrink covering doping techniques see August 1982 MA p 146 get ajump problem Next dewarp wings tail surfaces over steaming flat pan water teakettle twisting wing tail part opposite direc tion warp heating covering until wrinkles disappearthen moving off cooler part room until job cools after part released detect warps hold model out arms length prop facing close eye level-sight along bottom wing near fuselage sight out along wing toward tip see more underside move out wing has washin Washout can spotted turning RJL K61 eAmerican made Schnuerle ports eDouble ball bearing ePerry carburete eForged & domed piston eForged & busbou rod 0-ring sealed back cover lnvestment cast crankcase Kraft Engine Warranty Parts & Repair RJL INDUSTRIES PO Box 5654 PASADENA CA 91107 213 359-0016 213 795-9821 tail toward repeating process planes wing struts may neces sary cut struts bias take out warp re-glue strut easier shorten lengthen other De warping pair struts holding warp well-nigh impossible gets field taking warps out comes harder unless bring along source steam see March 1980 FF Scale column no best way field warpremoval old breathe-hard-on-it-a-few times-and-twist method common unless check just before launch may find has reverted original about two seconds after launch Heat application via hair dryer fine have Winnebago could get little plastic steam travel irons Haight uses takes plain water salt us have no AC outlet propane torch Sterno can lighted cigarette car exhaust may have methods however occasionally set wings alight make little round burn marks splatter little black spots plane use bad method interpose hand twixt flame wing now check heat Also remember heat can put em well take em out keep model shade much possible out closed auto trunks never back window plastic props have known melt Taking out drastic warp prob lem cant done easily field French connection Nice Guy Giudici pokes out tissue between ribs soaks wing tub overnight recovered until has couple weeks building board 146 Model Aviation 4 FULL SIZE PLANS GREAT SPORT FLYER WITH 602657 NE iBSifiStrE COMPLETE BUILDING INSTRUCTIONS Send $1 complete catalog Lectra Starter Attn Dealers Stocking Dealer Program will save up 20% over normal discount Write call todayl Eastcraft Specialty Products PO Box 25M5 Irwin PA 15642 412 864-4869 auggested Retail $14800 Muffler Included
Edition: Model Aviation - 1982/10
Page Numbers: 62, 63, 144, 145, 146
Free Flight DURA TION Bob Meuser ot&rn2EJ moeLs $ans LE Jrop Hprop TWIN PUSHERS Twin-pusher canards domi nated Outdoor Free Flight quarter century until early Thirties simple reason won Other configurations tried failed Perhaps simply matter everyone following beaten rut Indoor singleprop tractors well understood decalage used like 8 10 degrees must have put CG somewhere near leading edge OK perhaps Indoor flying far too loopy Outdoor success Outdoor models much happier small decalage big tails long distances between wing tail necessarily CG position long ways back leading edge perhaps behind trailing edge would interesting trace transition twinpushers single-tractors Outdoor competi tion Ill have leave up guys Bill Hannan caught practicing what preaches book Peanut P0 chucks Farman Mosquito skyward Bill Noonan photo Bobs got lot say about twin-pushers month youve never seen before heres what contest-winner looked like 62 Model Aviation classiest expensive Outdoor Rubber winder yett Bob extols its virtues its manufacturer column Hemember UoDs sketch wingless May 1 9B2 issue Seems John Ferrer put P-30 several years ago Note hes got em lust about right slight negative incidence forward winglet progressively increasing incidence angles ones aft Just way God did turkey vultures - 2 dihecra aich up 2 wrn pushe sq1930 AMLA NATS Wfl2121 6012 bcNflhAn2 RU pro 10 SCO6Ilo lj cfihedraeachtip Mribsk exc atcentr&rLps 0 Winq rib izizzzIziII there arent left shown sketchDon Burnhamsis pretty typical advanced twin-pushers early Thirties Later some guys gussied up motors enclosed rolled balsa tubes such didnt make much impact Im told twin-pushers easy adjust cant vouch myself Build everything straight die tilt foreplaneas called itleft-tip-up right circle rotate about its vertical axis lefttip-forward Move mainplanewing isfore aft until glide OK makes too loopy climb Id suggest decreasing angle incidence foreplane re adjusting wing position good glide Thrustline angle adjustments used days using double-ended thrust bear ing tantamount cheating dont know what can specified drawing Ill try tell Id suggest get old book model aviation library can simply -turn loop wire secured motor stick open side up After winding motors simply pop tops cans cans keep unwound motors sagging over place also help prevent motor stick buckling bit too limp model shown sketch copied plans available Oldtimer Models John Ponds plans service probably has bunch twin-pushers available too will also find bunch earlier issuesof Frank Zaics Model Aeronautics Yearbooks Bert Ponds 76 Commemorative Book Both latter available reduced prices AMA Supply Service Bill Baker oresented article TPs August/September 1982 issue NEES Digest HLGs Juniors arent too Out door Hand-Launch Glider desigus kicking around suitable younsters 9 12 age bracket As solution Fred Terzian suggests getting reduced-size Xerox similar brand copies Several commercial machines likely find instant-print shops have something around 77% standard ratio brings 18 20-in span down 14 15-in just about right younger arms Freds youngest Christopher age nine can handle model size quite nicely got two maxes US FF Champs Eaglet about size Eleven-year-old David Terzian has flying scaled-down Fosters n,op 144 October 1982 63 Gib Robbins L Nats-winning Tee Dee 09-powered Satellite 320 Harry Murphy R has Supertigre 23-powered Max-A-Million 450 sq inwing Both sopping wet after rainy-day meet Murphy won MonoKoted model being waterproof Hey Inose lOOK IIKC real trophiesunlike urnial ones topped anatomically-improbable winged cuties awarded Magnificent Mountain Men Denver CO sponsored Fourth-of-July Annual L R Jerry Murphy Roger Maves Ken Phair performances Nordic Glider Wakefield FAI Power New rubber-stripper being manufactured Ray Harlan muchimproved version ones previously imported Poland Hungary Low-tech engine starter used high-tech guy Eugene Verbitaky USSR FAI Power models Hand-cranked flywheel genera tor Russian-built moped Generator drives glow plug through 30-year-old ammeter Dont argue success Works well following sources can supply very good materials Oldtimer Models PO Box 913 Westmin ster CA 92783 Japanese tissue balsa prop blanks balsa tapered trailing edge stock hard wood balsa wheels brass washers rubber motor rubber lube etc Catalog $100 Peck-Polymers PO Box 2498 La Mesa CA 92401 Japanese tissue plastic props rubber lube rubber motor Williams Bros wheels Catalog $100 Sig Manufacturing Co Inc Route 1 Box 1 Montezuma IA 50171 Sig rubber motor rub ber lube balsa tissue plastic props wheels Catalog $200 FF Duration/Meuser Continued page 63 Freeze now big enough handle fullsize gliders got two mazes third place using Polly Yet another Outdoor Rubber winder price tag baby will knock hat off what doesnt nowadays built Burt Precision headed Mike Di Martino housing hogged out block aluminum alloy anodized blue corrosion skuff re sistance absolutely gorgeous Speed switch set helical gears bearings anti-friction types ball roller needle Bob Piser chio has using prototype several years hitch Helical gears wee bit scarey side essentially amount worm-gear set run wrong direction thats OK aligned lubed properly Larry Parsons built some 40 years ago worked fine about 25 years started binding up turned out lube problem easily cured Burt Precision device lubed Teflon-loaded goop supposed stay put wipe off Let know 25 30 years whether claims true Id like know base price gulp $162 white sidewalls radio air conditioning available slight extra cost Order Burt Precision Bob Piser chio 5257 Stone Court San Diego CA 92115 New rubber-stripper available Most Indoor modelers have rubber-stripper some sort access oneto cut down A-in-wide stuff useful sizes alternative buy pre stripped rubber suppliers caters Indoor Peanut Scale modelers favorite stripper has Czechowski Poland no longer available fill need Ray Harlan manufacturers sorts neat stuff Indoor modelers has started manu facturing According Ray redesigned Czechowskis cutter improved over Hungarian model about 1970 came up shown photo has improved rubber gate smooth tunnel no interruptions unlike Czechowskis Also micrometer thumbwheels calibrated thousandths inch numbered five can keep track settings particular batch rubber Cutters hardened honed stainless steel sort used high-quality knives price $80 plus postage about twice selling price five years ago might justify cost think terms tanks gas would buy hear Japanese copy sells $105 course isnt demand would justify highproduction methods lot work Order Ray 15 Happy Hollow Road Wayland MA 01778 Hot tip have undoubtedly seen Satel lite City ads Hot Stuff Video-Tips club dealer has probably received order blanks although dont need form order tape Perhaps gave ho-hum strongly recommend reconsider arent big cyanoacrylate adhesives like Hot Stuffyou might become believer after seeing flickthe other hints tips worth price admission themselves During one-hour presentation Hunters Bill Bob build about half carcass RC model D-box leading edge have developed sneaky way avoiding use pins altogether provided parts accurately cut time build model little required put sticks proper places plans gluing itself takes hardly time flick available VHS cassettes $30 deposit required cassette must returned within 60 days have bought Order Satellite City PO Box 836 Simi CA 93062 phone 805 522-0062 Self Stooge other stories Ordinarily write least severely edit what appears column However following item wouldnt benefit drop editorial exper tise Ill lay exactly appeared Bat Sheet edited Tom Cashman would neat have photo go perhaps 1/8 SPORT SCALE PLANS 72 WING SPAN DESIGNED FOR SINGLE 40-45 SCHNEURLE ENGINE PRICE $1950 VOGEL AVIATION 4OEL DIV Box 54 RESEDA CA 91335 MARKV 4AND DRILL/WINDER $2800 Plus Freight * HEAVY DIE-CAST NYLON CASE * METAL GEARS * ADJUSTABLE GEAR TOLERANCE * BALL THRUST-BEARING ON SPINDLE 115 51ze PUSS MOTH DK 80 PUSS MOTH Ia beautifully proportioned flight Plan & Pattern Set RC6S-3 @ $lA95 WIgspanr 73 0 Engin. Please add 52OC 3 FII Si. Plan Sh.t. lnstntlonn Mailing Trrbe complot Bill Motartals boild 3-Channel RIC suggested Wing designed fold back 144 Model Aviation THE SAILPLANE CADDY Only Lift Money Can Buy Write free brochure SPO transports sailpianes 2M open class superships fantastic tool gets field/slope easy lift Furniture quality parts precut 1/2 maple plywood Dado cuts ensure quick & accurate joints very strong hooks screws & strap supplied kitWHAIE SALE AMA # osta e via Offer ood until 1 12/1983 mm uxm u some things better left minds eye Al Borer dazzled us few moves previously seen local competition First concept Self Stooge Al invented discovered rather unusual Coupe wouldnt fit conventional stooge sort hunkers down like someone preparing standing broad jump Coupe positioned below posterior nose forward wings lodged back flexed knees Next engages winder rubber hook holding winder bass-ackwards extends arms full length stretch rubber begins winding grace octopus falling out tree winding becomes very cautious approaches full turnsobviously motor could break severely damage Als equipment Coup could hurt too.. other innovative concept Yo-Yo Launch followed Self Stooge ritual soon timer procured Al would assume heroid stance vigorously launch model would immediately return hand seems its really easy wind rubber counter-clockwise employing Self Stooge system Unlimited Mulvihill event event will held sixth consecutive year 1983 US Free Flight Champs will change Previously has held Saturday first day meet will held Sunday second day meet has long time since sent rules event around various clubs dont think have ever published seems high time suggest other clubs flying such event use same rules simply sake standardization So goes goal fly models built according traditional Outdoor Rubber idiom under condi tions approximate still air closely practicable end following rules play imposed Model Design Construction AMA rules Mulvihill Outdoor Rubber models apply except specified herein Wing tail surfaces must either solid wood construction framed construction covered both sides Rubber motors must fully enclosed within model structure Minimum weight model 60 grams including rubber motor 30 grams rubber motor whichever lenient Procedures contestant allowed flight Any attempt make flight model leaves contestants hand considered flight timekeeper may move about immediate area model-launching site extent necessary prevent model being obscured sight local objects Optical aids sort permitted Models must launched between 600 am 620 am Times recorded minutes seconds fractions seconds dropped Score recorded timekeeper signature standard 3x5 file card giving contestants name AMA number Proxy flying permitted Contest manage ment will provide proxy fliers General Timekeepers tend scarce 600am bring friend possible keeping goal event weather conditions such models likely go out sight opinion Event Director event will postponed Build light trim deftly practice lots live clean beat Bob White 600 am start time used rules represents time sunrise Taft Memorial Day youre going fly different site date fudge starting time agree sunrise meet FF Hall Fame National Free Flight Society has announced recipients Free Flight Hall Fame Award 1982 Society very proud recognize achieve ments Lawrence Conover articles American Modeler No Strings Attached source much modeling knowhow rest model builders set standard FAL Power models Lucky Lindy design LANDING GEAR FOR BIGGIES Custom built aircraft aluminum specsextr strong lightweight includes axles$2250 up PRODUCTS FOR THE DISCERNING MODELER Complete Line Exhaust Systems * TunedMuffled Tuned Pipes * Headers * Venturi Mufflers * Expansion Mufflers * Helicopter Ball Mufflers * Specialized Exhaust Systems Unsurpassed Workmanshia & Performance October 1982 145 BROWN A-iiw-iSCALE DOCUIVIEN UATILJN TINY PEANUT CO-2 ENGINESCALE DRAWINGSAPHOTOSBOOKLETS ENGINE CHARGER3/4zJ MODEL PLANS COMPLETE CATALOG $10019e2 AIRPLANE CATALOGS * 200 PHONE 714 469-8075 442 4*367/ REPLA-TECI-4 INTORNATIONAL 49500 IVIC KENZIE Hwy VICA OREGON 97499 Peck-Pelynuers BOX 2498 MA LA MESA CALIF 92041 ATTENTION ERS 0 & 0 ENGINEERING 305j SW 2nd St 979-0671 ate Fl 33063 EPOXY GLASS COWLS FOR NOSEN PICA SIO MORGAN BALSA USA PLATT CONCEPT FLEET HOSTETLER RCM T-CRAFT SHEBER FliTs & SCALE SUPER CUB FOEKER 0-7 BOEING P- 12 P-2B F4B2 P484 SPARROW HAWK GEE BEE MOO r MACBR/ENS TURBULENT CHRISTEN EAGLE BRISIGHELLAs STAROUSTER II A SCALE_J3-BI_BABE FLYBABY AIRcAMPER PILOT JUNGAIANN 135 ScALE I/4SALEOEATHALON PIPER PAVW 6 OTHERS WHEEL PANTS FOR CI TA BR/A STAROUSTER II P/iTS SKYBOL T LIBER7YSPORT CHRISTEN EAGLE P6 E HA WK STEARMAN STINSON SR-B MULLIGAN & OTHERS BRAZED& HEAT-TREATED WIRE GEARS&CABAIJES LARGE SCALE PLANS AVAILABLE Send SASE latest list supply Modelers withfiberglass parts plansWrite call us T & D FIBERGLASS SPECIALTIES 30926 BLOCK GARDEN CIlY MI 48130 PHONE 313 421-6358 co-winner 1960 Joe Elgin designed Playboy series gas models Cleveland resulted todays modelers winning first contest Gordon S Light An Indoor Outdoor Rubber-power pioneer communicated other modelers through articles old Flying Aces magazine 1935 Wake field winner Gerald Ritz man progressive ideas writer articles aerodynamic theories strategic competitive flier 1959 Nordic World Champion Leon Shulman can forget designs departed norm Leon devel opeck Zombie Banshee Sky Rocket Zoomer Remember Drone Diesel Ray Arden Deceased Developed glow plug model use Designer famous Atom Arden engines classic inventor yester year FF Model Year National Free Flight Society very proud announce its selections 10 Model Year awards International class FIANORDIC 811 Ivan Horejsi Czechoslovakia FIBRUBBER Espada Lothar Doring West Germany FIHGLLDER Hot Max Jorgen Kors gaard Denmark AMA/Outdoor Large Power Sweet Daddy Pearl Richard Covalt Small Power Pay-Triot Harry Murphy Rubber Monarch II Chris Matsuno Indoor Paper Stick Paper Tiger II Jim Richmond rMIiwIMU 40 IVILJUUI EU Ttoe GENTLEMANS PLANE Very easy bulldog 6 DeIghtlol gentle osion air No sting Mosgoitos PLANS 2 SIZES Fall Cia highty detailed GENTLE GIANT 1106 tot OUADRA92400 GENTLE LADY 801040604-CyCle twinSi 700 Other superb giant-scale plansFull sire 9 FOEKER 0-VIII 2-4 Ca in92500 9 PT-I 9 Oeadra Kionila92800 9 PIPER 1-4 Military J-3 Cab Oaadra$2000 sand neaR nhenk Plans sent tolled UPS POSTPAID macac order ICi toreign Orders add 40% tot air mad TAYLOR-C RAFT Send large sane brochures ot LEE TAYLORall Taylorctatt plans Otteriegs 218 WillOw AnannaComing soon 8 Grumman Tigert Ronanllle CA 956786 Varga Kachina Hand-Launched Glider Upstart Mark Drela Special Awards Model Aeronautic Yearbook Frank Zaic Chambermaid Bill Henn Bob Meuser 4200 Gregory St Oakland CA 94619 FF Scale/Warner Continued page 65 have something works well drop line Removing warps saves planes dont like see good plane crash because little twisted wing often check before fatal spiral dive takes place After much consultation field-testing few important facts emerge First build warp-free structures use lowshrink covering doping techniques see August 1982 MA p 146 get ajump problem Next dewarp wings tail surfaces over steaming flat pan water teakettle twisting wing tail part opposite direc tion warp heating covering until wrinkles disappearthen moving off cooler part room until job cools after part released detect warps hold model out arms length prop facing close eye level-sight along bottom wing near fuselage sight out along wing toward tip see more underside move out wing has washin Washout can spotted turning RJL K61 eAmerican made Schnuerle ports eDouble ball bearing ePerry carburete eForged & domed piston eForged & busbou rod 0-ring sealed back cover lnvestment cast crankcase Kraft Engine Warranty Parts & Repair RJL INDUSTRIES PO Box 5654 PASADENA CA 91107 213 359-0016 213 795-9821 tail toward repeating process planes wing struts may neces sary cut struts bias take out warp re-glue strut easier shorten lengthen other De warping pair struts holding warp well-nigh impossible gets field taking warps out comes harder unless bring along source steam see March 1980 FF Scale column no best way field warpremoval old breathe-hard-on-it-a-few times-and-twist method common unless check just before launch may find has reverted original about two seconds after launch Heat application via hair dryer fine have Winnebago could get little plastic steam travel irons Haight uses takes plain water salt us have no AC outlet propane torch Sterno can lighted cigarette car exhaust may have methods however occasionally set wings alight make little round burn marks splatter little black spots plane use bad method interpose hand twixt flame wing now check heat Also remember heat can put em well take em out keep model shade much possible out closed auto trunks never back window plastic props have known melt Taking out drastic warp prob lem cant done easily field French connection Nice Guy Giudici pokes out tissue between ribs soaks wing tub overnight recovered until has couple weeks building board 146 Model Aviation 4 FULL SIZE PLANS GREAT SPORT FLYER WITH 602657 NE iBSifiStrE COMPLETE BUILDING INSTRUCTIONS Send $1 complete catalog Lectra Starter Attn Dealers Stocking Dealer Program will save up 20% over normal discount Write call todayl Eastcraft Specialty Products PO Box 25M5 Irwin PA 15642 412 864-4869 auggested Retail $14800 Muffler Included
Edition: Model Aviation - 1982/10
Page Numbers: 62, 63, 144, 145, 146
Free Flight DURA TION Bob Meuser ot&rn2EJ moeLs $ans LE Jrop Hprop TWIN PUSHERS Twin-pusher canards domi nated Outdoor Free Flight quarter century until early Thirties simple reason won Other configurations tried failed Perhaps simply matter everyone following beaten rut Indoor singleprop tractors well understood decalage used like 8 10 degrees must have put CG somewhere near leading edge OK perhaps Indoor flying far too loopy Outdoor success Outdoor models much happier small decalage big tails long distances between wing tail necessarily CG position long ways back leading edge perhaps behind trailing edge would interesting trace transition twinpushers single-tractors Outdoor competi tion Ill have leave up guys Bill Hannan caught practicing what preaches book Peanut P0 chucks Farman Mosquito skyward Bill Noonan photo Bobs got lot say about twin-pushers month youve never seen before heres what contest-winner looked like 62 Model Aviation classiest expensive Outdoor Rubber winder yett Bob extols its virtues its manufacturer column Hemember UoDs sketch wingless May 1 9B2 issue Seems John Ferrer put P-30 several years ago Note hes got em lust about right slight negative incidence forward winglet progressively increasing incidence angles ones aft Just way God did turkey vultures - 2 dihecra aich up 2 wrn pushe sq1930 AMLA NATS Wfl2121 6012 bcNflhAn2 RU pro 10 SCO6Ilo lj cfihedraeachtip Mribsk exc atcentr&rLps 0 Winq rib izizzzIziII there arent left shown sketchDon Burnhamsis pretty typical advanced twin-pushers early Thirties Later some guys gussied up motors enclosed rolled balsa tubes such didnt make much impact Im told twin-pushers easy adjust cant vouch myself Build everything straight die tilt foreplaneas called itleft-tip-up right circle rotate about its vertical axis lefttip-forward Move mainplanewing isfore aft until glide OK makes too loopy climb Id suggest decreasing angle incidence foreplane re adjusting wing position good glide Thrustline angle adjustments used days using double-ended thrust bear ing tantamount cheating dont know what can specified drawing Ill try tell Id suggest get old book model aviation library can simply -turn loop wire secured motor stick open side up After winding motors simply pop tops cans cans keep unwound motors sagging over place also help prevent motor stick buckling bit too limp model shown sketch copied plans available Oldtimer Models John Ponds plans service probably has bunch twin-pushers available too will also find bunch earlier issuesof Frank Zaics Model Aeronautics Yearbooks Bert Ponds 76 Commemorative Book Both latter available reduced prices AMA Supply Service Bill Baker oresented article TPs August/September 1982 issue NEES Digest HLGs Juniors arent too Out door Hand-Launch Glider desigus kicking around suitable younsters 9 12 age bracket As solution Fred Terzian suggests getting reduced-size Xerox similar brand copies Several commercial machines likely find instant-print shops have something around 77% standard ratio brings 18 20-in span down 14 15-in just about right younger arms Freds youngest Christopher age nine can handle model size quite nicely got two maxes US FF Champs Eaglet about size Eleven-year-old David Terzian has flying scaled-down Fosters n,op 144 October 1982 63 Gib Robbins L Nats-winning Tee Dee 09-powered Satellite 320 Harry Murphy R has Supertigre 23-powered Max-A-Million 450 sq inwing Both sopping wet after rainy-day meet Murphy won MonoKoted model being waterproof Hey Inose lOOK IIKC real trophiesunlike urnial ones topped anatomically-improbable winged cuties awarded Magnificent Mountain Men Denver CO sponsored Fourth-of-July Annual L R Jerry Murphy Roger Maves Ken Phair performances Nordic Glider Wakefield FAI Power New rubber-stripper being manufactured Ray Harlan muchimproved version ones previously imported Poland Hungary Low-tech engine starter used high-tech guy Eugene Verbitaky USSR FAI Power models Hand-cranked flywheel genera tor Russian-built moped Generator drives glow plug through 30-year-old ammeter Dont argue success Works well following sources can supply very good materials Oldtimer Models PO Box 913 Westmin ster CA 92783 Japanese tissue balsa prop blanks balsa tapered trailing edge stock hard wood balsa wheels brass washers rubber motor rubber lube etc Catalog $100 Peck-Polymers PO Box 2498 La Mesa CA 92401 Japanese tissue plastic props rubber lube rubber motor Williams Bros wheels Catalog $100 Sig Manufacturing Co Inc Route 1 Box 1 Montezuma IA 50171 Sig rubber motor rub ber lube balsa tissue plastic props wheels Catalog $200 FF Duration/Meuser Continued page 63 Freeze now big enough handle fullsize gliders got two mazes third place using Polly Yet another Outdoor Rubber winder price tag baby will knock hat off what doesnt nowadays built Burt Precision headed Mike Di Martino housing hogged out block aluminum alloy anodized blue corrosion skuff re sistance absolutely gorgeous Speed switch set helical gears bearings anti-friction types ball roller needle Bob Piser chio has using prototype several years hitch Helical gears wee bit scarey side essentially amount worm-gear set run wrong direction thats OK aligned lubed properly Larry Parsons built some 40 years ago worked fine about 25 years started binding up turned out lube problem easily cured Burt Precision device lubed Teflon-loaded goop supposed stay put wipe off Let know 25 30 years whether claims true Id like know base price gulp $162 white sidewalls radio air conditioning available slight extra cost Order Burt Precision Bob Piser chio 5257 Stone Court San Diego CA 92115 New rubber-stripper available Most Indoor modelers have rubber-stripper some sort access oneto cut down A-in-wide stuff useful sizes alternative buy pre stripped rubber suppliers caters Indoor Peanut Scale modelers favorite stripper has Czechowski Poland no longer available fill need Ray Harlan manufacturers sorts neat stuff Indoor modelers has started manu facturing According Ray redesigned Czechowskis cutter improved over Hungarian model about 1970 came up shown photo has improved rubber gate smooth tunnel no interruptions unlike Czechowskis Also micrometer thumbwheels calibrated thousandths inch numbered five can keep track settings particular batch rubber Cutters hardened honed stainless steel sort used high-quality knives price $80 plus postage about twice selling price five years ago might justify cost think terms tanks gas would buy hear Japanese copy sells $105 course isnt demand would justify highproduction methods lot work Order Ray 15 Happy Hollow Road Wayland MA 01778 Hot tip have undoubtedly seen Satel lite City ads Hot Stuff Video-Tips club dealer has probably received order blanks although dont need form order tape Perhaps gave ho-hum strongly recommend reconsider arent big cyanoacrylate adhesives like Hot Stuffyou might become believer after seeing flickthe other hints tips worth price admission themselves During one-hour presentation Hunters Bill Bob build about half carcass RC model D-box leading edge have developed sneaky way avoiding use pins altogether provided parts accurately cut time build model little required put sticks proper places plans gluing itself takes hardly time flick available VHS cassettes $30 deposit required cassette must returned within 60 days have bought Order Satellite City PO Box 836 Simi CA 93062 phone 805 522-0062 Self Stooge other stories Ordinarily write least severely edit what appears column However following item wouldnt benefit drop editorial exper tise Ill lay exactly appeared Bat Sheet edited Tom Cashman would neat have photo go perhaps 1/8 SPORT SCALE PLANS 72 WING SPAN DESIGNED FOR SINGLE 40-45 SCHNEURLE ENGINE PRICE $1950 VOGEL AVIATION 4OEL DIV Box 54 RESEDA CA 91335 MARKV 4AND DRILL/WINDER $2800 Plus Freight * HEAVY DIE-CAST NYLON CASE * METAL GEARS * ADJUSTABLE GEAR TOLERANCE * BALL THRUST-BEARING ON SPINDLE 115 51ze PUSS MOTH DK 80 PUSS MOTH Ia beautifully proportioned flight Plan & Pattern Set RC6S-3 @ $lA95 WIgspanr 73 0 Engin. Please add 52OC 3 FII Si. Plan Sh.t. lnstntlonn Mailing Trrbe complot Bill Motartals boild 3-Channel RIC suggested Wing designed fold back 144 Model Aviation THE SAILPLANE CADDY Only Lift Money Can Buy Write free brochure SPO transports sailpianes 2M open class superships fantastic tool gets field/slope easy lift Furniture quality parts precut 1/2 maple plywood Dado cuts ensure quick & accurate joints very strong hooks screws & strap supplied kitWHAIE SALE AMA # osta e via Offer ood until 1 12/1983 mm uxm u some things better left minds eye Al Borer dazzled us few moves previously seen local competition First concept Self Stooge Al invented discovered rather unusual Coupe wouldnt fit conventional stooge sort hunkers down like someone preparing standing broad jump Coupe positioned below posterior nose forward wings lodged back flexed knees Next engages winder rubber hook holding winder bass-ackwards extends arms full length stretch rubber begins winding grace octopus falling out tree winding becomes very cautious approaches full turnsobviously motor could break severely damage Als equipment Coup could hurt too.. other innovative concept Yo-Yo Launch followed Self Stooge ritual soon timer procured Al would assume heroid stance vigorously launch model would immediately return hand seems its really easy wind rubber counter-clockwise employing Self Stooge system Unlimited Mulvihill event event will held sixth consecutive year 1983 US Free Flight Champs will change Previously has held Saturday first day meet will held Sunday second day meet has long time since sent rules event around various clubs dont think have ever published seems high time suggest other clubs flying such event use same rules simply sake standardization So goes goal fly models built according traditional Outdoor Rubber idiom under condi tions approximate still air closely practicable end following rules play imposed Model Design Construction AMA rules Mulvihill Outdoor Rubber models apply except specified herein Wing tail surfaces must either solid wood construction framed construction covered both sides Rubber motors must fully enclosed within model structure Minimum weight model 60 grams including rubber motor 30 grams rubber motor whichever lenient Procedures contestant allowed flight Any attempt make flight model leaves contestants hand considered flight timekeeper may move about immediate area model-launching site extent necessary prevent model being obscured sight local objects Optical aids sort permitted Models must launched between 600 am 620 am Times recorded minutes seconds fractions seconds dropped Score recorded timekeeper signature standard 3x5 file card giving contestants name AMA number Proxy flying permitted Contest manage ment will provide proxy fliers General Timekeepers tend scarce 600am bring friend possible keeping goal event weather conditions such models likely go out sight opinion Event Director event will postponed Build light trim deftly practice lots live clean beat Bob White 600 am start time used rules represents time sunrise Taft Memorial Day youre going fly different site date fudge starting time agree sunrise meet FF Hall Fame National Free Flight Society has announced recipients Free Flight Hall Fame Award 1982 Society very proud recognize achieve ments Lawrence Conover articles American Modeler No Strings Attached source much modeling knowhow rest model builders set standard FAL Power models Lucky Lindy design LANDING GEAR FOR BIGGIES Custom built aircraft aluminum specsextr strong lightweight includes axles$2250 up PRODUCTS FOR THE DISCERNING MODELER Complete Line Exhaust Systems * TunedMuffled Tuned Pipes * Headers * Venturi Mufflers * Expansion Mufflers * Helicopter Ball Mufflers * Specialized Exhaust Systems Unsurpassed Workmanshia & Performance October 1982 145 BROWN A-iiw-iSCALE DOCUIVIEN UATILJN TINY PEANUT CO-2 ENGINESCALE DRAWINGSAPHOTOSBOOKLETS ENGINE CHARGER3/4zJ MODEL PLANS COMPLETE CATALOG $10019e2 AIRPLANE CATALOGS * 200 PHONE 714 469-8075 442 4*367/ REPLA-TECI-4 INTORNATIONAL 49500 IVIC KENZIE Hwy VICA OREGON 97499 Peck-Pelynuers BOX 2498 MA LA MESA CALIF 92041 ATTENTION ERS 0 & 0 ENGINEERING 305j SW 2nd St 979-0671 ate Fl 33063 EPOXY GLASS COWLS FOR NOSEN PICA SIO MORGAN BALSA USA PLATT CONCEPT FLEET HOSTETLER RCM T-CRAFT SHEBER FliTs & SCALE SUPER CUB FOEKER 0-7 BOEING P- 12 P-2B F4B2 P484 SPARROW HAWK GEE BEE MOO r MACBR/ENS TURBULENT CHRISTEN EAGLE BRISIGHELLAs STAROUSTER II A SCALE_J3-BI_BABE FLYBABY AIRcAMPER PILOT JUNGAIANN 135 ScALE I/4SALEOEATHALON PIPER PAVW 6 OTHERS WHEEL PANTS FOR CI TA BR/A STAROUSTER II P/iTS SKYBOL T LIBER7YSPORT CHRISTEN EAGLE P6 E HA WK STEARMAN STINSON SR-B MULLIGAN & OTHERS BRAZED& HEAT-TREATED WIRE GEARS&CABAIJES LARGE SCALE PLANS AVAILABLE Send SASE latest list supply Modelers withfiberglass parts plansWrite call us T & D FIBERGLASS SPECIALTIES 30926 BLOCK GARDEN CIlY MI 48130 PHONE 313 421-6358 co-winner 1960 Joe Elgin designed Playboy series gas models Cleveland resulted todays modelers winning first contest Gordon S Light An Indoor Outdoor Rubber-power pioneer communicated other modelers through articles old Flying Aces magazine 1935 Wake field winner Gerald Ritz man progressive ideas writer articles aerodynamic theories strategic competitive flier 1959 Nordic World Champion Leon Shulman can forget designs departed norm Leon devel opeck Zombie Banshee Sky Rocket Zoomer Remember Drone Diesel Ray Arden Deceased Developed glow plug model use Designer famous Atom Arden engines classic inventor yester year FF Model Year National Free Flight Society very proud announce its selections 10 Model Year awards International class FIANORDIC 811 Ivan Horejsi Czechoslovakia FIBRUBBER Espada Lothar Doring West Germany FIHGLLDER Hot Max Jorgen Kors gaard Denmark AMA/Outdoor Large Power Sweet Daddy Pearl Richard Covalt Small Power Pay-Triot Harry Murphy Rubber Monarch II Chris Matsuno Indoor Paper Stick Paper Tiger II Jim Richmond rMIiwIMU 40 IVILJUUI EU Ttoe GENTLEMANS PLANE Very easy bulldog 6 DeIghtlol gentle osion air No sting Mosgoitos PLANS 2 SIZES Fall Cia highty detailed GENTLE GIANT 1106 tot OUADRA92400 GENTLE LADY 801040604-CyCle twinSi 700 Other superb giant-scale plansFull sire 9 FOEKER 0-VIII 2-4 Ca in92500 9 PT-I 9 Oeadra Kionila92800 9 PIPER 1-4 Military J-3 Cab Oaadra$2000 sand neaR nhenk Plans sent tolled UPS POSTPAID macac order ICi toreign Orders add 40% tot air mad TAYLOR-C RAFT Send large sane brochures ot LEE TAYLORall Taylorctatt plans Otteriegs 218 WillOw AnannaComing soon 8 Grumman Tigert Ronanllle CA 956786 Varga Kachina Hand-Launched Glider Upstart Mark Drela Special Awards Model Aeronautic Yearbook Frank Zaic Chambermaid Bill Henn Bob Meuser 4200 Gregory St Oakland CA 94619 FF Scale/Warner Continued page 65 have something works well drop line Removing warps saves planes dont like see good plane crash because little twisted wing often check before fatal spiral dive takes place After much consultation field-testing few important facts emerge First build warp-free structures use lowshrink covering doping techniques see August 1982 MA p 146 get ajump problem Next dewarp wings tail surfaces over steaming flat pan water teakettle twisting wing tail part opposite direc tion warp heating covering until wrinkles disappearthen moving off cooler part room until job cools after part released detect warps hold model out arms length prop facing close eye level-sight along bottom wing near fuselage sight out along wing toward tip see more underside move out wing has washin Washout can spotted turning RJL K61 eAmerican made Schnuerle ports eDouble ball bearing ePerry carburete eForged & domed piston eForged & busbou rod 0-ring sealed back cover lnvestment cast crankcase Kraft Engine Warranty Parts & Repair RJL INDUSTRIES PO Box 5654 PASADENA CA 91107 213 359-0016 213 795-9821 tail toward repeating process planes wing struts may neces sary cut struts bias take out warp re-glue strut easier shorten lengthen other De warping pair struts holding warp well-nigh impossible gets field taking warps out comes harder unless bring along source steam see March 1980 FF Scale column no best way field warpremoval old breathe-hard-on-it-a-few times-and-twist method common unless check just before launch may find has reverted original about two seconds after launch Heat application via hair dryer fine have Winnebago could get little plastic steam travel irons Haight uses takes plain water salt us have no AC outlet propane torch Sterno can lighted cigarette car exhaust may have methods however occasionally set wings alight make little round burn marks splatter little black spots plane use bad method interpose hand twixt flame wing now check heat Also remember heat can put em well take em out keep model shade much possible out closed auto trunks never back window plastic props have known melt Taking out drastic warp prob lem cant done easily field French connection Nice Guy Giudici pokes out tissue between ribs soaks wing tub overnight recovered until has couple weeks building board 146 Model Aviation 4 FULL SIZE PLANS GREAT SPORT FLYER WITH 602657 NE iBSifiStrE COMPLETE BUILDING INSTRUCTIONS Send $1 complete catalog Lectra Starter Attn Dealers Stocking Dealer Program will save up 20% over normal discount Write call todayl Eastcraft Specialty Products PO Box 25M5 Irwin PA 15642 412 864-4869 auggested Retail $14800 Muffler Included