Ridiculous - Part 2

BODY PARTS Construction rest airplane really quite simple tail boom monoboom built-up four piecesofsoftormedium3/l6orA-in balsa nylon string reinforcement glued along side joints Bevel joining edges sheets make left right side After dry use sanding block bevel top bottom edges sideassembly wood will touch until have well-fitting diamond-shaped box Glue two side-assemblies together forward aft corners will require some pressure pull contact After glue has set sand assembly smooth pleasing shape Try take off much excess wood possible point sparing areas will glued wing stab mount Boom weight should less ngine mount built around length 1 -in-dia rocket tube has pre viously fuel-proofed coating epoxy inside Make two mounts hardwood cut hardwarestore oak leaving quite large area engine will mounted tapering practically nothing end pod slips over wing basic structure fleshed out block square-stock balsa using enough mass can carved sanded round streamlined shape final assem bly Either spot-glue parts together can removed hollowed out glue up well begin make some special hollowing chisels lengths sharpened brass tubing hollow blocks place Pod weight before assembly should range 2 3 oz Install landing gear drilling pod through engine mounts plank ing LE front wing Epoxy brass sleeve made tubing will accept 3/32-in wire landing gear Reinforce around opening either plywood nylon/epoxy gear retained two bolts bottom side plans show suggested gear location flying paved surfaces youre going fly off grass wheel must Top Wide-angle shot shows some re dundant detail plane looks lot complex really Recessing almost complete notice outboard top bottom center spars reference lineand yet unrecessed outboard leading edge Left Rich Porter Salem OR designer 1/2A Ridiculous plane has 44-in wingspan weighs 19 oz flies 70-ft lines believe 64 Model Aviation tion sequences look some unique aspects planesuch twin fuel bladders 220 engine offset author also gives us tips squeezing extra little bit performance out Tee Dee thats necessary make plane really perform Part 2 ERich Porter plans show size/shape has worked well engine pod finished until engine mounted shouldnt mount engine until everything else completed its actual location determined want center gravity GO model Since dont want carrying much ballast around R engine location should will bring CO desired location ballast calm weather flying position engine models CG 15 ahead wing quarterchord line 3 back front wing best calm-weather CG point 50-ft lines gray 5-3 prop Nose ballast fuel front tank lead will needed move CO much 7 ahead quarter-chord windy-weather flying black 5-3 prop longer-line flying requires CO tobe 2to 5 aheadofthe quarter-chord Yes Im really serious about 220 engine offset Dont dare build R vital necessity assuring always have line tension After youve determined engine must located cut off nose pod appropriate spot bevel engine mount shown plans 220 engine thrust line offset outside flying circle Drill holes mount ing bolts Youll have carve out some access holes can insert blind-mounting nuts T-nuts bottom side engine mounts Epoxy nuts place fill holes pod Finish shaping nose pod install wire parts fuel filter holder fuel shutoff After thats done can finish pod fuel-proof paint/dope MonoKote Continued page 66 located forward prevent nose overs 2-in-dia wheel should used higher angle attack shown plans will also needed Also flying off paved surfaces little shoes made plastic fuel line can slipped over wing skids prevent wearing out piece wire should glued bottom lower tail fin too prevent wear tear Final assembly consists gluing tail boom working pushrod elevator horn gluing stab mount monoboom engine pod glued Add aesthetically-appealing fins top bottom tail boom plans show aft boom fin shapes appeal will typify future planes exact shapes area appear very important either authors full-house Tee Dee installation heat-sink head Cox race car muf fler fuelfilterthats used asa sump tank fuel pinch-off yoke Notethat since needle valve has rotated aftforeasleraccesslblllty homemade elbow attachesthe fuel line end spray bar Close inspection reveals 220 thrust offset nose structure plane covered silver MonoKate muffler used provide backpressure cylinder since author likes use low-nitro fuel engine does run steadily under certain atmospheric conditions added back-pressure Since engine must run quite hard pull huge model around combination high rpm Porter gets about 22500 air rather lean needle setting low airspeed around 50 mph means cylinder head must have some additional cooling later mod uses sheet-aluminum baffle same effect less weight heat sink August 1985 65 concluding section com plete construc Left A graphic IllustratIon Ins 47~ eiicran swing allowed before tne engine shutoff engaged inc music wire doyle shape also shown Right fully-actuated kicker can seen outer sheath belicrank Inner rod Sullivan Gold-N-Rod kicker clearlyvisible shot Itsvery handyto able shut off poorly-running engine before thetank runs dry Left The small 2-ln-dia wheels asphalt runways can made perfectly round true tack-gluing 1/32 ply center section brass bushing carefully turn part hand finger-adjusting until true glue solidly bushing spin drill holding sandpaper against wheel until becomes round Black 1/s-in-dia tubing can Hot-Stuffed center section soft balsa sides can added finish wheel structure Right patched ding left wing shows tip skid moved out more-recent version shown right plans show two skids located nearer center wingspan Some authors highly-modified George Aldrich-type two-finger 1/2A control handles made coat hangerwire covered cotton cloth ducttape Flexible high strength nylon string used lead-outs can take sudden flexing snapping 66 Model Aviation Miscellaneous bits pieces order use multiple-choice lead-out scheme youve got able push lead-outs wing fish out again through another lead-out guide Youll need have least 34-in-wide strip some color transparent wing covering least side wing area lead-out guides Use length soft iron wire little hook bent end reach inside wing through lead-out guide snare lead-out loop fish out through lead-out tube Staggering lead-out lengths recommended no possibility snagging line clips big belicrank made piece 5-ply 3/32 plywood Drill -in hole exact center blank end lead-out bushings will placed Drill another hole le less towards side blank center hole will elevator Continued page 142 Drill Jig Motor Mounts HAL PAYNE ENTERPRISES somewhat enlarged able photographically enlarge further scale size needed simply peeled photo emulsion off paper No liquids used simply split emulsion backing X-Acto knife peeled edge down worked first time picture adhered model clear dope finally clear fuel-proofer applied over other markings hand-painted frisket method am looking forward competing trials 1986 US CL Scale Team held near Louisville KY August 2325 1985 Ed Thosedesiringto enter Scale Team Selection Programeither CL RCshould note ently deadline August 4 1985 entry fee $50 Contact John Guenther RR 1 Box 715 Borden IN47l06forapacketof information further details rewarding part hobby/sport achieve level competition thing love mostand being member US World Championships Fits mount up Sin wide last have found relIable way drill tsp engIne mounts Simply clamp mount firewall Insert pins drop engine down pins Slide guides around desired engine location Drill holes through hardened guides Move guides aside tap holes Supports wood avoid deflection drilis tap breakage Tool ready Heat treated stesi guides included dlllIng holes 4-40 end 6-32 holes Additional support block included perfect holes hand drill Money Deck Gusradtee FIy 14 plus *2 shipping charge Calif res add 6% Dealer lequlrles Welcome 31 3LU-3UOO 1843 Torrance Blvd Torrance CA 90501 team traveling team delicious frosting Ridiculous/Porter Continued page 66 pushrod bushing Cut -in piece -india brass tubing epoxy center -in hole bellcrank blank making sure perpendicular bellcrank center bearing three presently-empty holes bellcrank will filled nylon bushings Find some nylon material can carve three plugs Ya-in-dia about 1-in length Insert plugs holes plywood mold ends over side plywood hot soldering iron drill 1/16-in hole through center plug Use apiece 3/32-in music wire bellcrank pivot Two short approx -inlong pieces -in brass tubing will used side bellcrank bearing center bellcrank wing outer tubes glued center rib nylon-string suspension system elevator pushrod made 1/16m music wire Z-bends end Two music wire devises installed end holes bellcrank nylon string lead-outs will tied Bend devises shown plans little pins end bellcrank keep devises swinging around backside bellcrank fuel shutoff really quite simple wire holder made glued place pod holds fuel line piece soft iron wire bent proper shape partially pinch off section fuel line held fixed saddle soft iron wire glued straight section music wire fed back bellcrank area kicker arranged moved either direction about 6 bellcrank pinch off fuel line completely Everything arranged shutoff kicker wire moved bellcrank until bellcrank rotated 4750 its neutral position setup requires full swing bellcrank extra bellcrank movement needed kick fuel shutoff wire s little aerodynamic difference model its done top inside loop bottom outside loop using little blip excess control movement However handle/bellcrank geom etry R using custom-made units shown extra blip control movement cannot obtained normal arm/wrist movements unless youre contortionist Youve got intentionally increase control line spacing handle using free hand spread lines farther apart takes little practice get used actually quite easy places very useful new control command Precision Aerobatics flier feature model no excuse losing pattern points because engine overrun Also can quick ly kill engine event has set off too rich too lean can put minimum amount fuel needed fly pattern youll never have underrun either current preferezice fuel tanks PEANUT SCALE MODELS Kite $595 */ ZEROMILES M-18 jd PIETENPOLDRUINE PIPER CUBCOUGAR ANDRESONGIPSY MOTH MUSTANGLACEY M1OGANAGOBIE jjowernd PRAIRIE BIRD 4 $595 SPORT MODELS BABY ACE$649 ONE NIlE 28$695 ONE NITE 16$595 STRINGLESS$495 PECK ROG$195 RADIO 3LIAIPS CONTROLLED II and 13 FOOT LONGKITS OR READY TO FLY NOW IN THREE COLORS GRAY ORANGE YELLOW LOW PRICES CATUOO No 25 $150 Peck0PeIymers 2498 -MALA MESA CA 92041 NEW Monokote Matching Colors & Military Flats 142 Model Aviation -U DOHAVILLAND BEAVER GIANT SCALE 96 4CYCLE9O120 SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NWST PO Box 566 Auburn WA 98071 CCINERITE5 BLACK fuelproof paint use pressure bladder system espe jally rigged provide very steady engine un start finish regardless iolence maneuvers place itso hat provides practically no shift G fuel consumed especially like S compared using metal tank because subject fuel foaming leaks lesides its lighter metal tank consistent reliable system hat Ive devised date involves use wo surgical-tubing pressure bladders irovide 9 16 lb per sq fuel iressure type surgical tubing ame high-start systems used riany RC Sailplane peopleand lastics certain types high-powered lingshots sporting goods stores should tave size surgical tubing stock eplacement slingshots best pre-season tanks pumping ip air couple times get aflate near neck first soften lit area Some sporting goods stores Iso carry thick-walled tubing holding sad sinkers can used well mall Kraft fuel filter placed just behind engine held place idjustable wire saddle filter acts md sump tank used help nake engine run consistently both nside outside maneuvers Youll have o bend wire saddle adjust filter up ir down respect centerline engine after flight testing seems very engine/tank/plane combination trims iut bit differently Ive recently dis overed factor makes lifference Tee Dee runsinside s outside maneuvers rich vs leanis tray exhaust ports oriented Since random function threads tart crankcase cylinder barrel tc much can done about al hough Ive some success shimming cylinder/crankcase fit using Tee Dee D9 head gaskets main fuel tank the wing [he nose used adjustable apacity ballast tank sump near engine helps reduce fuel pres ure surges resulting violent maneu ers nose tank connected parallel trith wing tank means T- Y tOId Tinier ave t10 ~y4G swrgsAI MClO Nt. j30 nltion nglrie arts Only have parts inventory prompt deliveryl Over 235 items Send $200 current catalog fitting near engine nose tank made same size wing tank subsequently folded up about halflength less depending maximum forward ballast capacity desired retained position rubberbands also pre-seasoned provide slightly less fuel pressure wing tank over-inflating air couple times before installing nose rocket tube Ive found very useful trick use connecting silicone fuel line brass tube First wrap turn small-diameter copper wire around tube about end solder place little touch-up sandpaper provides nice lip tube helps keep fuel line Make bladder length surgical tubing 6 about right tying slipknot end pull tightly rubberband fuel line other end fuel line enters bladder encasing 1-in piece brass aluminum tubing has 900 bend middle Stuff end bladder wrap rubberband No 18 size suggested tightly around elbow Engine tuning ideal engine run slightly rich two-cycle flat fast flight very slight slowing over head maneuvers slight richening violent corners needle setting ground depends weather conditions usually carry about 50% fuel need official flight kill engine fuel shutoff two laps after Four-Leaf Clover Actual fuel require ments depend engine setup Very hot and/or humid days require richer needle valve setting Very dry and/or cold days usually require almost-fullyleaned-out setting Higher-nitro fuel also needs leaner ground setting lower-nitro fuels economic reasons prefer use 5% 15% nitro fuels GloBee plugs Fuels 5% less nitro content require use Cox muffler engine used RC engines has adjustable feature order provide enough back-pressure keep glow plug hot using muffler closed OTHER PRODUCTS COMPITER DISK CASE LOMAR CLAMP building tool PROMOUNT machined engine mounts MC OUR INVENTORY AVERAGES OVER 8000 PROPS! MORE THAN 60 SIZES! FAR MORE THAN ANY OTHER DEALER OR DISTRIBUTOR! SPECIAL PRO SERIESFOUR-CYCLE TAILORED HELICALPITCH OIAPITCHPRICE DIAPITCHPRICE 634 136 726 3344 5 e lea124 ed 7 ri 8276 3343/445 e iyy1367791346 Ifa ef 196146 7 7* a449 4 5 e ef 74 19615e 7e59 ott4Se647 1691667646 Illew 6W 196 II6EW 219PYLON RACING II4 5 7 74 74DIAPITCHPRICE 743/46109 116EW21975R 59N256 11667216643/464643/47 125 SW 625679 743/4266 131 632667 79 743/4266 1456429 1559626WSINe SORt 1667919 EWEeUooAdCbtRte HNan0 51e4e ALL PRICES ARE POSTPAID ON ORDERS OVER $10 ORDERS SHIPPED FIRST CLASS MAIL WITHIN 24 HRS CALIFORNIA RESIDENTS ADD 6% TAX ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INOWRIES INVITED August 1985 143 WHY SETTLE FOR LESS FLY THE VERY BEST! MORE NATIONAL CHAMPIONS USE REV-UP PROPS YEAR IN AND YEAR OUT THAN ALL OTHER BRANDS COMBINED! U br STRONG METAL FRAME THERMO MOLDED SHELL FILLED WITH SOFTFOAM GREAT GIFT gRl2xS RC AIRPLANES BOATS CARS CAMERAS ETC Transmitter Case PRICE $35 Includes shipping inconUSA Alaska&Hawaii add $2 CA Resa d6% tax SASE FOR FREE INFO DEALEARS INVITED BERGERON ENTERPRISES 443 ROBERTAFULLERTON CA 92632 SPECIALISTS IN COX TD & REED ENGINES STD & R/C COMPLETE INVENTORY OF CUSTOM & STOCK PARTS SOCIETY OF ANTIQUE MODELERS MA TERIALS REPLICA OR WICK ENGINES IGNITION CCESSORIES CARBON FIBER position find extra cylinder head cooling needed prevent overheating can use heat-sink normally used race car engines available hobby shops around $2 might want make simple shroud sheet alu minum can seen some photos car heat-sink used ELECTRIC MODEL & SAILPLANE SPECIALISTS 1081 World Soaring Champ DWIGHT HOLLEY IS PROUD TO ANNOUNCE NEW COMPANY TO HELP BOTH BEGINNER & EXPERT FLY INTO THE NEW ERA OF ELECTRIC AIRCRAFT WE ALSO OFFER SELECT FEW PURE SAILPLANES FREE DEMONSTRATION FLIGHTS CHECK OUT ANOOR TEST FLIGHTS OF RUN NEW PLANES CALL OR WRITE FOR FREE DESCRIPTIVE FLYER UPS COD FOR IMMEDIATE SHIPMENT ELECTRIC KITS IN STOCK AEROBATIC IMER SPORT SCALE ERS HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 06801 FEATURING ONLY STATE OF THE ART ITEMS 0 5 5 1 m m 0 0 z -I 0 F r m S C S 2 a C 2 HI GloBee plug find proper air circula tion assured file some grooves underside sink several front portion least large rear portion center using low/no-nitro fuel cool weather muff ler must fully closed click open have found Sport GloBee least critical high-performance plug pro vides power tends deteriorate quickly engine gets too hot such would result overlylean needle setting use high-nitro fuel Use Racing GloBee plug will necessi tate use 5-3 prop highestpossible compression used low/no nitro fuel general rule follow save Racing GbBees summer flying and/or using fuel having 25% greater nitro oontentand use Sport GloBee plugs lower nitro and/or cold weather Stock Cox heads fine long intro readily available also work well use big 6-in prop Trimming flying youre just going lot sport flying R recom mend flying over grassy field 25-to 50ft lines using stock Cox giow heads flexible nylon props helper can hand launch model dont need bother landing gear takes 600 handle move ment get full elevator travel use much movement rather moreusual 40 allow groovy level flight handle shown plans highly-modified George Aldrich-type two-finger design made coat-hanger wire Its very useful getting neces sary 600 handle movement has lots padding prevent discomfort windyweather flying use duct tape over cotton cloth highly recommend use some flexible very-high-strength nylon string handle lead-outs can take violent deflection angies associated real live book-oorner maneuvers snap ping cable might two Rs weighing 174 oz other 2114 oz find 450 line rake best position under almost conditions flying 50 55 ft 012 lines 70 ft 008 lines heavier airplane flies better 30 line rake calm weather lighter airplane seems happier 50 line rake winds above 15 mph 012 lines increased drag helps slow ship ma neuvers drops level flight speed almost 2 mph line rake 1 1A0 useful flying 25-ft 012 lines also 63-ft 008 ones Rudder offset 40 80 inside theflight circle seems good fine-tune adjustment range good system determining model alignment set airplane towel-padded backs two kitchen chairs use square determine reference lines vertical hori zontal room Reference lines airplane compared ones room wing stab both 00 incidence checked side add 10 engine downthrust upthrust model built fly clockwise normal flight Drill hole long straight piece balsa mount place prop good reference line Adjust soft PRODUCTS gnu Tug nvcmumun hanflga g Complete Line Exhaust Systems Tuned Pipes Muffled Tuned Pipes Headers * Venturi Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpassed Wnrkmenshin & Peformance 144 Model Aviation FULL LINE METAL SPECIALISTS U E 4 24 21 o El I 2 0 0 a GONTIOLIII TEND PROFILE0COMBA PRA T WIDE & NARROW WEDGE 15 -- 6 oz Capacities UNIFLOW & TIND1 Cuutsz uSDA huh Ingredients Fo detaned bs-ochure50C stamps/check oni CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgts SC 29418 803-583-7169 904 478-6745 Al Featuring fast service qualified people latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessories discounted prices RADIO SOUTH rm AUTHORIZED SERVICE CENTER FOR kraft Pro Line 1 Futaba JR 43 West Nine Mile Rd Pensacola FL 32514 rnrn-- * A Futaba Distributor er Inquiries Welcome * e elevator horn give 190 tator travel full belicrank swing l47 F test flights calm weather reveal sence wing stab warps twist out using heat gun iron plastic covering ship should fly true both upright inverted l3t djust tip weight model flies l both upright inverted Dont too much too little ut right model will bobble ing sharp-cornered maneuvers Line ith rake must also trimmed get flying-on-rails look Theoretically e different trim requirements y different flying condition ye found convenient method Ling nose weight adjusting r use special pencil-lead-type ing sinkers surgical tubing rt front rocket tube uld able find items big rting goods store key trimming Stunter try adjustment time until ship ins respond predictably handles sistently types flying nded M 152 $2500 Ca Includes shipping UPS COD add $200 $600 plans CA add 6% Dealer Inquiries invited LINDSEY MICRO PRODUCTS 160-A No Fairview Ave Suite 104 Goleta CA 93117 805 683 2042 After 5 pm Pacific hope eiijoy Ridiculous Stunter much Drop line questions Rich Porter 386 Benji Ct NW Salem OR 97301 Challenger/Higgs-Dunlop Continued page 68 thumb finger compressing wood inside bend stretching wood outside tissue supporting wood fibers no splitting cracking delicate wood Once wood bent will stay way until re-bent Bend left side stab rear down slightly Bend right side stab up slightly left side bent down con tributes much fink rollout can now hand glide model like Throw model little half power slightly exaggerated banknot too much want model go up almost proper launch attitudeabout 7o O model stalls glide add little clay its nose worry about glide circle yet model dives shouldnt bent stab up enough POWERED MODELS Quality ormance ndability YaA Control Line Airplanes Engines Accessories R/C Sailpianes Airplanes R/C Off-Road Cars COX HOBBIES INC 1525 E Warner Ave Santa Ana CA 92705 SEND SASE FOR FREE MINI CATALOG bend right side stab up little model sweeps over its back launch too much up right side enough down left side Throw again same way adjust until model going almost straight up enough left rudder model will go too much right have very wide glide circle model has go slightly right launch order get proper transi tion Dont try too much adjusting part-power launches Now try harder throw about r 70 0.75 d washin left main panel beginning have effect Too much washin will lift wing launch make transition difficult also increase glide circle Keep adjust ing stab rudder control launch add remove clay lead control glide Still dont worry too much about glide circle yet Once have model going OK power increase full power 75 80 ched too near vertical will come over backwards usually poor transi tion model proper launch sweeps back loops near top means too much up-bend Reduce FAI RUBBER Sizes 114 3/16 1/8 3/32 1/16 042 thick pound box Price $1300 FREE 4 oz bottle SLICK rubber lube per box Postpaid UPS USA N \coupdevflI $2395 pius ups 1985 catalog 75C Cal add 6% tax FAIModOl Supply L P0 Box 3957TORRANCE CA 90510 KSB TIMERS FUEL SHUTOFF U -sIt 3OSEC $1190 6MINOT slixo August 1985 145 LMP 1000 1 Both require Two Channel Radio Mini Servos 250 MAH BATT wood construction include hardware needed

BODY PARTS Construction rest airplane really quite simple tail boom monoboom built-up four piecesofsoftormedium3/l6orA-in balsa nylon string reinforcement glued along side joints Bevel joining edges sheets make left right side After dry use sanding block bevel top bottom edges sideassembly wood will touch until have well-fitting diamond-shaped box Glue two side-assemblies together forward aft corners will require some pressure pull contact After glue has set sand assembly smooth pleasing shape Try take off much excess wood possible point sparing areas will glued wing stab mount Boom weight should less ngine mount built around length 1 -in-dia rocket tube has pre viously fuel-proofed coating epoxy inside Make two mounts hardwood cut hardwarestore oak leaving quite large area engine will mounted tapering practically nothing end pod slips over wing basic structure fleshed out block square-stock balsa using enough mass can carved sanded round streamlined shape final assem bly Either spot-glue parts together can removed hollowed out glue up well begin make some special hollowing chisels lengths sharpened brass tubing hollow blocks place Pod weight before assembly should range 2 3 oz Install landing gear drilling pod through engine mounts plank ing LE front wing Epoxy brass sleeve made tubing will accept 3/32-in wire landing gear Reinforce around opening either plywood nylon/epoxy gear retained two bolts bottom side plans show suggested gear location flying paved surfaces youre going fly off grass wheel must Top Wide-angle shot shows some re dundant detail plane looks lot complex really Recessing almost complete notice outboard top bottom center spars reference lineand yet unrecessed outboard leading edge Left Rich Porter Salem OR designer 1/2A Ridiculous plane has 44-in wingspan weighs 19 oz flies 70-ft lines believe 64 Model Aviation tion sequences look some unique aspects planesuch twin fuel bladders 220 engine offset author also gives us tips squeezing extra little bit performance out Tee Dee thats necessary make plane really perform Part 2 ERich Porter plans show size/shape has worked well engine pod finished until engine mounted shouldnt mount engine until everything else completed its actual location determined want center gravity GO model Since dont want carrying much ballast around R engine location should will bring CO desired location ballast calm weather flying position engine models CG 15 ahead wing quarterchord line 3 back front wing best calm-weather CG point 50-ft lines gray 5-3 prop Nose ballast fuel front tank lead will needed move CO much 7 ahead quarter-chord windy-weather flying black 5-3 prop longer-line flying requires CO tobe 2to 5 aheadofthe quarter-chord Yes Im really serious about 220 engine offset Dont dare build R vital necessity assuring always have line tension After youve determined engine must located cut off nose pod appropriate spot bevel engine mount shown plans 220 engine thrust line offset outside flying circle Drill holes mount ing bolts Youll have carve out some access holes can insert blind-mounting nuts T-nuts bottom side engine mounts Epoxy nuts place fill holes pod Finish shaping nose pod install wire parts fuel filter holder fuel shutoff After thats done can finish pod fuel-proof paint/dope MonoKote Continued page 66 located forward prevent nose overs 2-in-dia wheel should used higher angle attack shown plans will also needed Also flying off paved surfaces little shoes made plastic fuel line can slipped over wing skids prevent wearing out piece wire should glued bottom lower tail fin too prevent wear tear Final assembly consists gluing tail boom working pushrod elevator horn gluing stab mount monoboom engine pod glued Add aesthetically-appealing fins top bottom tail boom plans show aft boom fin shapes appeal will typify future planes exact shapes area appear very important either authors full-house Tee Dee installation heat-sink head Cox race car muf fler fuelfilterthats used asa sump tank fuel pinch-off yoke Notethat since needle valve has rotated aftforeasleraccesslblllty homemade elbow attachesthe fuel line end spray bar Close inspection reveals 220 thrust offset nose structure plane covered silver MonoKate muffler used provide backpressure cylinder since author likes use low-nitro fuel engine does run steadily under certain atmospheric conditions added back-pressure Since engine must run quite hard pull huge model around combination high rpm Porter gets about 22500 air rather lean needle setting low airspeed around 50 mph means cylinder head must have some additional cooling later mod uses sheet-aluminum baffle same effect less weight heat sink August 1985 65 concluding section com plete construc Left A graphic IllustratIon Ins 47~ eiicran swing allowed before tne engine shutoff engaged inc music wire doyle shape also shown Right fully-actuated kicker can seen outer sheath belicrank Inner rod Sullivan Gold-N-Rod kicker clearlyvisible shot Itsvery handyto able shut off poorly-running engine before thetank runs dry Left The small 2-ln-dia wheels asphalt runways can made perfectly round true tack-gluing 1/32 ply center section brass bushing carefully turn part hand finger-adjusting until true glue solidly bushing spin drill holding sandpaper against wheel until becomes round Black 1/s-in-dia tubing can Hot-Stuffed center section soft balsa sides can added finish wheel structure Right patched ding left wing shows tip skid moved out more-recent version shown right plans show two skids located nearer center wingspan Some authors highly-modified George Aldrich-type two-finger 1/2A control handles made coat hangerwire covered cotton cloth ducttape Flexible high strength nylon string used lead-outs can take sudden flexing snapping 66 Model Aviation Miscellaneous bits pieces order use multiple-choice lead-out scheme youve got able push lead-outs wing fish out again through another lead-out guide Youll need have least 34-in-wide strip some color transparent wing covering least side wing area lead-out guides Use length soft iron wire little hook bent end reach inside wing through lead-out guide snare lead-out loop fish out through lead-out tube Staggering lead-out lengths recommended no possibility snagging line clips big belicrank made piece 5-ply 3/32 plywood Drill -in hole exact center blank end lead-out bushings will placed Drill another hole le less towards side blank center hole will elevator Continued page 142 Drill Jig Motor Mounts HAL PAYNE ENTERPRISES somewhat enlarged able photographically enlarge further scale size needed simply peeled photo emulsion off paper No liquids used simply split emulsion backing X-Acto knife peeled edge down worked first time picture adhered model clear dope finally clear fuel-proofer applied over other markings hand-painted frisket method am looking forward competing trials 1986 US CL Scale Team held near Louisville KY August 2325 1985 Ed Thosedesiringto enter Scale Team Selection Programeither CL RCshould note ently deadline August 4 1985 entry fee $50 Contact John Guenther RR 1 Box 715 Borden IN47l06forapacketof information further details rewarding part hobby/sport achieve level competition thing love mostand being member US World Championships Fits mount up Sin wide last have found relIable way drill tsp engIne mounts Simply clamp mount firewall Insert pins drop engine down pins Slide guides around desired engine location Drill holes through hardened guides Move guides aside tap holes Supports wood avoid deflection drilis tap breakage Tool ready Heat treated stesi guides included dlllIng holes 4-40 end 6-32 holes Additional support block included perfect holes hand drill Money Deck Gusradtee FIy 14 plus *2 shipping charge Calif res add 6% Dealer lequlrles Welcome 31 3LU-3UOO 1843 Torrance Blvd Torrance CA 90501 team traveling team delicious frosting Ridiculous/Porter Continued page 66 pushrod bushing Cut -in piece -india brass tubing epoxy center -in hole bellcrank blank making sure perpendicular bellcrank center bearing three presently-empty holes bellcrank will filled nylon bushings Find some nylon material can carve three plugs Ya-in-dia about 1-in length Insert plugs holes plywood mold ends over side plywood hot soldering iron drill 1/16-in hole through center plug Use apiece 3/32-in music wire bellcrank pivot Two short approx -inlong pieces -in brass tubing will used side bellcrank bearing center bellcrank wing outer tubes glued center rib nylon-string suspension system elevator pushrod made 1/16m music wire Z-bends end Two music wire devises installed end holes bellcrank nylon string lead-outs will tied Bend devises shown plans little pins end bellcrank keep devises swinging around backside bellcrank fuel shutoff really quite simple wire holder made glued place pod holds fuel line piece soft iron wire bent proper shape partially pinch off section fuel line held fixed saddle soft iron wire glued straight section music wire fed back bellcrank area kicker arranged moved either direction about 6 bellcrank pinch off fuel line completely Everything arranged shutoff kicker wire moved bellcrank until bellcrank rotated 4750 its neutral position setup requires full swing bellcrank extra bellcrank movement needed kick fuel shutoff wire s little aerodynamic difference model its done top inside loop bottom outside loop using little blip excess control movement However handle/bellcrank geom etry R using custom-made units shown extra blip control movement cannot obtained normal arm/wrist movements unless youre contortionist Youve got intentionally increase control line spacing handle using free hand spread lines farther apart takes little practice get used actually quite easy places very useful new control command Precision Aerobatics flier feature model no excuse losing pattern points because engine overrun Also can quick ly kill engine event has set off too rich too lean can put minimum amount fuel needed fly pattern youll never have underrun either current preferezice fuel tanks PEANUT SCALE MODELS Kite $595 */ ZEROMILES M-18 jd PIETENPOLDRUINE PIPER CUBCOUGAR ANDRESONGIPSY MOTH MUSTANGLACEY M1OGANAGOBIE jjowernd PRAIRIE BIRD 4 $595 SPORT MODELS BABY ACE$649 ONE NIlE 28$695 ONE NITE 16$595 STRINGLESS$495 PECK ROG$195 RADIO 3LIAIPS CONTROLLED II and 13 FOOT LONGKITS OR READY TO FLY NOW IN THREE COLORS GRAY ORANGE YELLOW LOW PRICES CATUOO No 25 $150 Peck0PeIymers 2498 -MALA MESA CA 92041 NEW Monokote Matching Colors & Military Flats 142 Model Aviation -U DOHAVILLAND BEAVER GIANT SCALE 96 4CYCLE9O120 SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NWST PO Box 566 Auburn WA 98071 CCINERITE5 BLACK fuelproof paint use pressure bladder system espe jally rigged provide very steady engine un start finish regardless iolence maneuvers place itso hat provides practically no shift G fuel consumed especially like S compared using metal tank because subject fuel foaming leaks lesides its lighter metal tank consistent reliable system hat Ive devised date involves use wo surgical-tubing pressure bladders irovide 9 16 lb per sq fuel iressure type surgical tubing ame high-start systems used riany RC Sailplane peopleand lastics certain types high-powered lingshots sporting goods stores should tave size surgical tubing stock eplacement slingshots best pre-season tanks pumping ip air couple times get aflate near neck first soften lit area Some sporting goods stores Iso carry thick-walled tubing holding sad sinkers can used well mall Kraft fuel filter placed just behind engine held place idjustable wire saddle filter acts md sump tank used help nake engine run consistently both nside outside maneuvers Youll have o bend wire saddle adjust filter up ir down respect centerline engine after flight testing seems very engine/tank/plane combination trims iut bit differently Ive recently dis overed factor makes lifference Tee Dee runsinside s outside maneuvers rich vs leanis tray exhaust ports oriented Since random function threads tart crankcase cylinder barrel tc much can done about al hough Ive some success shimming cylinder/crankcase fit using Tee Dee D9 head gaskets main fuel tank the wing [he nose used adjustable apacity ballast tank sump near engine helps reduce fuel pres ure surges resulting violent maneu ers nose tank connected parallel trith wing tank means T- Y tOId Tinier ave t10 ~y4G swrgsAI MClO Nt. j30 nltion nglrie arts Only have parts inventory prompt deliveryl Over 235 items Send $200 current catalog fitting near engine nose tank made same size wing tank subsequently folded up about halflength less depending maximum forward ballast capacity desired retained position rubberbands also pre-seasoned provide slightly less fuel pressure wing tank over-inflating air couple times before installing nose rocket tube Ive found very useful trick use connecting silicone fuel line brass tube First wrap turn small-diameter copper wire around tube about end solder place little touch-up sandpaper provides nice lip tube helps keep fuel line Make bladder length surgical tubing 6 about right tying slipknot end pull tightly rubberband fuel line other end fuel line enters bladder encasing 1-in piece brass aluminum tubing has 900 bend middle Stuff end bladder wrap rubberband No 18 size suggested tightly around elbow Engine tuning ideal engine run slightly rich two-cycle flat fast flight very slight slowing over head maneuvers slight richening violent corners needle setting ground depends weather conditions usually carry about 50% fuel need official flight kill engine fuel shutoff two laps after Four-Leaf Clover Actual fuel require ments depend engine setup Very hot and/or humid days require richer needle valve setting Very dry and/or cold days usually require almost-fullyleaned-out setting Higher-nitro fuel also needs leaner ground setting lower-nitro fuels economic reasons prefer use 5% 15% nitro fuels GloBee plugs Fuels 5% less nitro content require use Cox muffler engine used RC engines has adjustable feature order provide enough back-pressure keep glow plug hot using muffler closed OTHER PRODUCTS COMPITER DISK CASE LOMAR CLAMP building tool PROMOUNT machined engine mounts MC OUR INVENTORY AVERAGES OVER 8000 PROPS! MORE THAN 60 SIZES! FAR MORE THAN ANY OTHER DEALER OR DISTRIBUTOR! SPECIAL PRO SERIESFOUR-CYCLE TAILORED HELICALPITCH OIAPITCHPRICE DIAPITCHPRICE 634 136 726 3344 5 e lea124 ed 7 ri 8276 3343/445 e iyy1367791346 Ifa ef 196146 7 7* a449 4 5 e ef 74 19615e 7e59 ott4Se647 1691667646 Illew 6W 196 II6EW 219PYLON RACING II4 5 7 74 74DIAPITCHPRICE 743/46109 116EW21975R 59N256 11667216643/464643/47 125 SW 625679 743/4266 131 632667 79 743/4266 1456429 1559626WSINe SORt 1667919 EWEeUooAdCbtRte HNan0 51e4e ALL PRICES ARE POSTPAID ON ORDERS OVER $10 ORDERS SHIPPED FIRST CLASS MAIL WITHIN 24 HRS CALIFORNIA RESIDENTS ADD 6% TAX ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INOWRIES INVITED August 1985 143 WHY SETTLE FOR LESS FLY THE VERY BEST! MORE NATIONAL CHAMPIONS USE REV-UP PROPS YEAR IN AND YEAR OUT THAN ALL OTHER BRANDS COMBINED! U br STRONG METAL FRAME THERMO MOLDED SHELL FILLED WITH SOFTFOAM GREAT GIFT gRl2xS RC AIRPLANES BOATS CARS CAMERAS ETC Transmitter Case PRICE $35 Includes shipping inconUSA Alaska&Hawaii add $2 CA Resa d6% tax SASE FOR FREE INFO DEALEARS INVITED BERGERON ENTERPRISES 443 ROBERTAFULLERTON CA 92632 SPECIALISTS IN COX TD & REED ENGINES STD & R/C COMPLETE INVENTORY OF CUSTOM & STOCK PARTS SOCIETY OF ANTIQUE MODELERS MA TERIALS REPLICA OR WICK ENGINES IGNITION CCESSORIES CARBON FIBER position find extra cylinder head cooling needed prevent overheating can use heat-sink normally used race car engines available hobby shops around $2 might want make simple shroud sheet alu minum can seen some photos car heat-sink used ELECTRIC MODEL & SAILPLANE SPECIALISTS 1081 World Soaring Champ DWIGHT HOLLEY IS PROUD TO ANNOUNCE NEW COMPANY TO HELP BOTH BEGINNER & EXPERT FLY INTO THE NEW ERA OF ELECTRIC AIRCRAFT WE ALSO OFFER SELECT FEW PURE SAILPLANES FREE DEMONSTRATION FLIGHTS CHECK OUT ANOOR TEST FLIGHTS OF RUN NEW PLANES CALL OR WRITE FOR FREE DESCRIPTIVE FLYER UPS COD FOR IMMEDIATE SHIPMENT ELECTRIC KITS IN STOCK AEROBATIC IMER SPORT SCALE ERS HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 06801 FEATURING ONLY STATE OF THE ART ITEMS 0 5 5 1 m m 0 0 z -I 0 F r m S C S 2 a C 2 HI GloBee plug find proper air circula tion assured file some grooves underside sink several front portion least large rear portion center using low/no-nitro fuel cool weather muff ler must fully closed click open have found Sport GloBee least critical high-performance plug pro vides power tends deteriorate quickly engine gets too hot such would result overlylean needle setting use high-nitro fuel Use Racing GloBee plug will necessi tate use 5-3 prop highestpossible compression used low/no nitro fuel general rule follow save Racing GbBees summer flying and/or using fuel having 25% greater nitro oontentand use Sport GloBee plugs lower nitro and/or cold weather Stock Cox heads fine long intro readily available also work well use big 6-in prop Trimming flying youre just going lot sport flying R recom mend flying over grassy field 25-to 50ft lines using stock Cox giow heads flexible nylon props helper can hand launch model dont need bother landing gear takes 600 handle move ment get full elevator travel use much movement rather moreusual 40 allow groovy level flight handle shown plans highly-modified George Aldrich-type two-finger design made coat-hanger wire Its very useful getting neces sary 600 handle movement has lots padding prevent discomfort windyweather flying use duct tape over cotton cloth highly recommend use some flexible very-high-strength nylon string handle lead-outs can take violent deflection angies associated real live book-oorner maneuvers snap ping cable might two Rs weighing 174 oz other 2114 oz find 450 line rake best position under almost conditions flying 50 55 ft 012 lines 70 ft 008 lines heavier airplane flies better 30 line rake calm weather lighter airplane seems happier 50 line rake winds above 15 mph 012 lines increased drag helps slow ship ma neuvers drops level flight speed almost 2 mph line rake 1 1A0 useful flying 25-ft 012 lines also 63-ft 008 ones Rudder offset 40 80 inside theflight circle seems good fine-tune adjustment range good system determining model alignment set airplane towel-padded backs two kitchen chairs use square determine reference lines vertical hori zontal room Reference lines airplane compared ones room wing stab both 00 incidence checked side add 10 engine downthrust upthrust model built fly clockwise normal flight Drill hole long straight piece balsa mount place prop good reference line Adjust soft PRODUCTS gnu Tug nvcmumun hanflga g Complete Line Exhaust Systems Tuned Pipes Muffled Tuned Pipes Headers * Venturi Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpassed Wnrkmenshin & Peformance 144 Model Aviation FULL LINE METAL SPECIALISTS U E 4 24 21 o El I 2 0 0 a GONTIOLIII TEND PROFILE0COMBA PRA T WIDE & NARROW WEDGE 15 -- 6 oz Capacities UNIFLOW & TIND1 Cuutsz uSDA huh Ingredients Fo detaned bs-ochure50C stamps/check oni CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgts SC 29418 803-583-7169 904 478-6745 Al Featuring fast service qualified people latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessories discounted prices RADIO SOUTH rm AUTHORIZED SERVICE CENTER FOR kraft Pro Line 1 Futaba JR 43 West Nine Mile Rd Pensacola FL 32514 rnrn-- * A Futaba Distributor er Inquiries Welcome * e elevator horn give 190 tator travel full belicrank swing l47 F test flights calm weather reveal sence wing stab warps twist out using heat gun iron plastic covering ship should fly true both upright inverted l3t djust tip weight model flies l both upright inverted Dont too much too little ut right model will bobble ing sharp-cornered maneuvers Line ith rake must also trimmed get flying-on-rails look Theoretically e different trim requirements y different flying condition ye found convenient method Ling nose weight adjusting r use special pencil-lead-type ing sinkers surgical tubing rt front rocket tube uld able find items big rting goods store key trimming Stunter try adjustment time until ship ins respond predictably handles sistently types flying nded M 152 $2500 Ca Includes shipping UPS COD add $200 $600 plans CA add 6% Dealer Inquiries invited LINDSEY MICRO PRODUCTS 160-A No Fairview Ave Suite 104 Goleta CA 93117 805 683 2042 After 5 pm Pacific hope eiijoy Ridiculous Stunter much Drop line questions Rich Porter 386 Benji Ct NW Salem OR 97301 Challenger/Higgs-Dunlop Continued page 68 thumb finger compressing wood inside bend stretching wood outside tissue supporting wood fibers no splitting cracking delicate wood Once wood bent will stay way until re-bent Bend left side stab rear down slightly Bend right side stab up slightly left side bent down con tributes much fink rollout can now hand glide model like Throw model little half power slightly exaggerated banknot too much want model go up almost proper launch attitudeabout 7o O model stalls glide add little clay its nose worry about glide circle yet model dives shouldnt bent stab up enough POWERED MODELS Quality ormance ndability YaA Control Line Airplanes Engines Accessories R/C Sailpianes Airplanes R/C Off-Road Cars COX HOBBIES INC 1525 E Warner Ave Santa Ana CA 92705 SEND SASE FOR FREE MINI CATALOG bend right side stab up little model sweeps over its back launch too much up right side enough down left side Throw again same way adjust until model going almost straight up enough left rudder model will go too much right have very wide glide circle model has go slightly right launch order get proper transi tion Dont try too much adjusting part-power launches Now try harder throw about r 70 0.75 d washin left main panel beginning have effect Too much washin will lift wing launch make transition difficult also increase glide circle Keep adjust ing stab rudder control launch add remove clay lead control glide Still dont worry too much about glide circle yet Once have model going OK power increase full power 75 80 ched too near vertical will come over backwards usually poor transi tion model proper launch sweeps back loops near top means too much up-bend Reduce FAI RUBBER Sizes 114 3/16 1/8 3/32 1/16 042 thick pound box Price $1300 FREE 4 oz bottle SLICK rubber lube per box Postpaid UPS USA N \coupdevflI $2395 pius ups 1985 catalog 75C Cal add 6% tax FAIModOl Supply L P0 Box 3957TORRANCE CA 90510 KSB TIMERS FUEL SHUTOFF U -sIt 3OSEC $1190 6MINOT slixo August 1985 145 LMP 1000 1 Both require Two Channel Radio Mini Servos 250 MAH BATT wood construction include hardware needed

BODY PARTS Construction rest airplane really quite simple tail boom monoboom built-up four piecesofsoftormedium3/l6orA-in balsa nylon string reinforcement glued along side joints Bevel joining edges sheets make left right side After dry use sanding block bevel top bottom edges sideassembly wood will touch until have well-fitting diamond-shaped box Glue two side-assemblies together forward aft corners will require some pressure pull contact After glue has set sand assembly smooth pleasing shape Try take off much excess wood possible point sparing areas will glued wing stab mount Boom weight should less ngine mount built around length 1 -in-dia rocket tube has pre viously fuel-proofed coating epoxy inside Make two mounts hardwood cut hardwarestore oak leaving quite large area engine will mounted tapering practically nothing end pod slips over wing basic structure fleshed out block square-stock balsa using enough mass can carved sanded round streamlined shape final assem bly Either spot-glue parts together can removed hollowed out glue up well begin make some special hollowing chisels lengths sharpened brass tubing hollow blocks place Pod weight before assembly should range 2 3 oz Install landing gear drilling pod through engine mounts plank ing LE front wing Epoxy brass sleeve made tubing will accept 3/32-in wire landing gear Reinforce around opening either plywood nylon/epoxy gear retained two bolts bottom side plans show suggested gear location flying paved surfaces youre going fly off grass wheel must Top Wide-angle shot shows some re dundant detail plane looks lot complex really Recessing almost complete notice outboard top bottom center spars reference lineand yet unrecessed outboard leading edge Left Rich Porter Salem OR designer 1/2A Ridiculous plane has 44-in wingspan weighs 19 oz flies 70-ft lines believe 64 Model Aviation tion sequences look some unique aspects planesuch twin fuel bladders 220 engine offset author also gives us tips squeezing extra little bit performance out Tee Dee thats necessary make plane really perform Part 2 ERich Porter plans show size/shape has worked well engine pod finished until engine mounted shouldnt mount engine until everything else completed its actual location determined want center gravity GO model Since dont want carrying much ballast around R engine location should will bring CO desired location ballast calm weather flying position engine models CG 15 ahead wing quarterchord line 3 back front wing best calm-weather CG point 50-ft lines gray 5-3 prop Nose ballast fuel front tank lead will needed move CO much 7 ahead quarter-chord windy-weather flying black 5-3 prop longer-line flying requires CO tobe 2to 5 aheadofthe quarter-chord Yes Im really serious about 220 engine offset Dont dare build R vital necessity assuring always have line tension After youve determined engine must located cut off nose pod appropriate spot bevel engine mount shown plans 220 engine thrust line offset outside flying circle Drill holes mount ing bolts Youll have carve out some access holes can insert blind-mounting nuts T-nuts bottom side engine mounts Epoxy nuts place fill holes pod Finish shaping nose pod install wire parts fuel filter holder fuel shutoff After thats done can finish pod fuel-proof paint/dope MonoKote Continued page 66 located forward prevent nose overs 2-in-dia wheel should used higher angle attack shown plans will also needed Also flying off paved surfaces little shoes made plastic fuel line can slipped over wing skids prevent wearing out piece wire should glued bottom lower tail fin too prevent wear tear Final assembly consists gluing tail boom working pushrod elevator horn gluing stab mount monoboom engine pod glued Add aesthetically-appealing fins top bottom tail boom plans show aft boom fin shapes appeal will typify future planes exact shapes area appear very important either authors full-house Tee Dee installation heat-sink head Cox race car muf fler fuelfilterthats used asa sump tank fuel pinch-off yoke Notethat since needle valve has rotated aftforeasleraccesslblllty homemade elbow attachesthe fuel line end spray bar Close inspection reveals 220 thrust offset nose structure plane covered silver MonoKate muffler used provide backpressure cylinder since author likes use low-nitro fuel engine does run steadily under certain atmospheric conditions added back-pressure Since engine must run quite hard pull huge model around combination high rpm Porter gets about 22500 air rather lean needle setting low airspeed around 50 mph means cylinder head must have some additional cooling later mod uses sheet-aluminum baffle same effect less weight heat sink August 1985 65 concluding section com plete construc Left A graphic IllustratIon Ins 47~ eiicran swing allowed before tne engine shutoff engaged inc music wire doyle shape also shown Right fully-actuated kicker can seen outer sheath belicrank Inner rod Sullivan Gold-N-Rod kicker clearlyvisible shot Itsvery handyto able shut off poorly-running engine before thetank runs dry Left The small 2-ln-dia wheels asphalt runways can made perfectly round true tack-gluing 1/32 ply center section brass bushing carefully turn part hand finger-adjusting until true glue solidly bushing spin drill holding sandpaper against wheel until becomes round Black 1/s-in-dia tubing can Hot-Stuffed center section soft balsa sides can added finish wheel structure Right patched ding left wing shows tip skid moved out more-recent version shown right plans show two skids located nearer center wingspan Some authors highly-modified George Aldrich-type two-finger 1/2A control handles made coat hangerwire covered cotton cloth ducttape Flexible high strength nylon string used lead-outs can take sudden flexing snapping 66 Model Aviation Miscellaneous bits pieces order use multiple-choice lead-out scheme youve got able push lead-outs wing fish out again through another lead-out guide Youll need have least 34-in-wide strip some color transparent wing covering least side wing area lead-out guides Use length soft iron wire little hook bent end reach inside wing through lead-out guide snare lead-out loop fish out through lead-out tube Staggering lead-out lengths recommended no possibility snagging line clips big belicrank made piece 5-ply 3/32 plywood Drill -in hole exact center blank end lead-out bushings will placed Drill another hole le less towards side blank center hole will elevator Continued page 142 Drill Jig Motor Mounts HAL PAYNE ENTERPRISES somewhat enlarged able photographically enlarge further scale size needed simply peeled photo emulsion off paper No liquids used simply split emulsion backing X-Acto knife peeled edge down worked first time picture adhered model clear dope finally clear fuel-proofer applied over other markings hand-painted frisket method am looking forward competing trials 1986 US CL Scale Team held near Louisville KY August 2325 1985 Ed Thosedesiringto enter Scale Team Selection Programeither CL RCshould note ently deadline August 4 1985 entry fee $50 Contact John Guenther RR 1 Box 715 Borden IN47l06forapacketof information further details rewarding part hobby/sport achieve level competition thing love mostand being member US World Championships Fits mount up Sin wide last have found relIable way drill tsp engIne mounts Simply clamp mount firewall Insert pins drop engine down pins Slide guides around desired engine location Drill holes through hardened guides Move guides aside tap holes Supports wood avoid deflection drilis tap breakage Tool ready Heat treated stesi guides included dlllIng holes 4-40 end 6-32 holes Additional support block included perfect holes hand drill Money Deck Gusradtee FIy 14 plus *2 shipping charge Calif res add 6% Dealer lequlrles Welcome 31 3LU-3UOO 1843 Torrance Blvd Torrance CA 90501 team traveling team delicious frosting Ridiculous/Porter Continued page 66 pushrod bushing Cut -in piece -india brass tubing epoxy center -in hole bellcrank blank making sure perpendicular bellcrank center bearing three presently-empty holes bellcrank will filled nylon bushings Find some nylon material can carve three plugs Ya-in-dia about 1-in length Insert plugs holes plywood mold ends over side plywood hot soldering iron drill 1/16-in hole through center plug Use apiece 3/32-in music wire bellcrank pivot Two short approx -inlong pieces -in brass tubing will used side bellcrank bearing center bellcrank wing outer tubes glued center rib nylon-string suspension system elevator pushrod made 1/16m music wire Z-bends end Two music wire devises installed end holes bellcrank nylon string lead-outs will tied Bend devises shown plans little pins end bellcrank keep devises swinging around backside bellcrank fuel shutoff really quite simple wire holder made glued place pod holds fuel line piece soft iron wire bent proper shape partially pinch off section fuel line held fixed saddle soft iron wire glued straight section music wire fed back bellcrank area kicker arranged moved either direction about 6 bellcrank pinch off fuel line completely Everything arranged shutoff kicker wire moved bellcrank until bellcrank rotated 4750 its neutral position setup requires full swing bellcrank extra bellcrank movement needed kick fuel shutoff wire s little aerodynamic difference model its done top inside loop bottom outside loop using little blip excess control movement However handle/bellcrank geom etry R using custom-made units shown extra blip control movement cannot obtained normal arm/wrist movements unless youre contortionist Youve got intentionally increase control line spacing handle using free hand spread lines farther apart takes little practice get used actually quite easy places very useful new control command Precision Aerobatics flier feature model no excuse losing pattern points because engine overrun Also can quick ly kill engine event has set off too rich too lean can put minimum amount fuel needed fly pattern youll never have underrun either current preferezice fuel tanks PEANUT SCALE MODELS Kite $595 */ ZEROMILES M-18 jd PIETENPOLDRUINE PIPER CUBCOUGAR ANDRESONGIPSY MOTH MUSTANGLACEY M1OGANAGOBIE jjowernd PRAIRIE BIRD 4 $595 SPORT MODELS BABY ACE$649 ONE NIlE 28$695 ONE NITE 16$595 STRINGLESS$495 PECK ROG$195 RADIO 3LIAIPS CONTROLLED II and 13 FOOT LONGKITS OR READY TO FLY NOW IN THREE COLORS GRAY ORANGE YELLOW LOW PRICES CATUOO No 25 $150 Peck0PeIymers 2498 -MALA MESA CA 92041 NEW Monokote Matching Colors & Military Flats 142 Model Aviation -U DOHAVILLAND BEAVER GIANT SCALE 96 4CYCLE9O120 SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NWST PO Box 566 Auburn WA 98071 CCINERITE5 BLACK fuelproof paint use pressure bladder system espe jally rigged provide very steady engine un start finish regardless iolence maneuvers place itso hat provides practically no shift G fuel consumed especially like S compared using metal tank because subject fuel foaming leaks lesides its lighter metal tank consistent reliable system hat Ive devised date involves use wo surgical-tubing pressure bladders irovide 9 16 lb per sq fuel iressure type surgical tubing ame high-start systems used riany RC Sailplane peopleand lastics certain types high-powered lingshots sporting goods stores should tave size surgical tubing stock eplacement slingshots best pre-season tanks pumping ip air couple times get aflate near neck first soften lit area Some sporting goods stores Iso carry thick-walled tubing holding sad sinkers can used well mall Kraft fuel filter placed just behind engine held place idjustable wire saddle filter acts md sump tank used help nake engine run consistently both nside outside maneuvers Youll have o bend wire saddle adjust filter up ir down respect centerline engine after flight testing seems very engine/tank/plane combination trims iut bit differently Ive recently dis overed factor makes lifference Tee Dee runsinside s outside maneuvers rich vs leanis tray exhaust ports oriented Since random function threads tart crankcase cylinder barrel tc much can done about al hough Ive some success shimming cylinder/crankcase fit using Tee Dee D9 head gaskets main fuel tank the wing [he nose used adjustable apacity ballast tank sump near engine helps reduce fuel pres ure surges resulting violent maneu ers nose tank connected parallel trith wing tank means T- Y tOId Tinier ave t10 ~y4G swrgsAI MClO Nt. j30 nltion nglrie arts Only have parts inventory prompt deliveryl Over 235 items Send $200 current catalog fitting near engine nose tank made same size wing tank subsequently folded up about halflength less depending maximum forward ballast capacity desired retained position rubberbands also pre-seasoned provide slightly less fuel pressure wing tank over-inflating air couple times before installing nose rocket tube Ive found very useful trick use connecting silicone fuel line brass tube First wrap turn small-diameter copper wire around tube about end solder place little touch-up sandpaper provides nice lip tube helps keep fuel line Make bladder length surgical tubing 6 about right tying slipknot end pull tightly rubberband fuel line other end fuel line enters bladder encasing 1-in piece brass aluminum tubing has 900 bend middle Stuff end bladder wrap rubberband No 18 size suggested tightly around elbow Engine tuning ideal engine run slightly rich two-cycle flat fast flight very slight slowing over head maneuvers slight richening violent corners needle setting ground depends weather conditions usually carry about 50% fuel need official flight kill engine fuel shutoff two laps after Four-Leaf Clover Actual fuel require ments depend engine setup Very hot and/or humid days require richer needle valve setting Very dry and/or cold days usually require almost-fullyleaned-out setting Higher-nitro fuel also needs leaner ground setting lower-nitro fuels economic reasons prefer use 5% 15% nitro fuels GloBee plugs Fuels 5% less nitro content require use Cox muffler engine used RC engines has adjustable feature order provide enough back-pressure keep glow plug hot using muffler closed OTHER PRODUCTS COMPITER DISK CASE LOMAR CLAMP building tool PROMOUNT machined engine mounts MC OUR INVENTORY AVERAGES OVER 8000 PROPS! MORE THAN 60 SIZES! FAR MORE THAN ANY OTHER DEALER OR DISTRIBUTOR! SPECIAL PRO SERIESFOUR-CYCLE TAILORED HELICALPITCH OIAPITCHPRICE DIAPITCHPRICE 634 136 726 3344 5 e lea124 ed 7 ri 8276 3343/445 e iyy1367791346 Ifa ef 196146 7 7* a449 4 5 e ef 74 19615e 7e59 ott4Se647 1691667646 Illew 6W 196 II6EW 219PYLON RACING II4 5 7 74 74DIAPITCHPRICE 743/46109 116EW21975R 59N256 11667216643/464643/47 125 SW 625679 743/4266 131 632667 79 743/4266 1456429 1559626WSINe SORt 1667919 EWEeUooAdCbtRte HNan0 51e4e ALL PRICES ARE POSTPAID ON ORDERS OVER $10 ORDERS SHIPPED FIRST CLASS MAIL WITHIN 24 HRS CALIFORNIA RESIDENTS ADD 6% TAX ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INOWRIES INVITED August 1985 143 WHY SETTLE FOR LESS FLY THE VERY BEST! MORE NATIONAL CHAMPIONS USE REV-UP PROPS YEAR IN AND YEAR OUT THAN ALL OTHER BRANDS COMBINED! U br STRONG METAL FRAME THERMO MOLDED SHELL FILLED WITH SOFTFOAM GREAT GIFT gRl2xS RC AIRPLANES BOATS CARS CAMERAS ETC Transmitter Case PRICE $35 Includes shipping inconUSA Alaska&Hawaii add $2 CA Resa d6% tax SASE FOR FREE INFO DEALEARS INVITED BERGERON ENTERPRISES 443 ROBERTAFULLERTON CA 92632 SPECIALISTS IN COX TD & REED ENGINES STD & R/C COMPLETE INVENTORY OF CUSTOM & STOCK PARTS SOCIETY OF ANTIQUE MODELERS MA TERIALS REPLICA OR WICK ENGINES IGNITION CCESSORIES CARBON FIBER position find extra cylinder head cooling needed prevent overheating can use heat-sink normally used race car engines available hobby shops around $2 might want make simple shroud sheet alu minum can seen some photos car heat-sink used ELECTRIC MODEL & SAILPLANE SPECIALISTS 1081 World Soaring Champ DWIGHT HOLLEY IS PROUD TO ANNOUNCE NEW COMPANY TO HELP BOTH BEGINNER & EXPERT FLY INTO THE NEW ERA OF ELECTRIC AIRCRAFT WE ALSO OFFER SELECT FEW PURE SAILPLANES FREE DEMONSTRATION FLIGHTS CHECK OUT ANOOR TEST FLIGHTS OF RUN NEW PLANES CALL OR WRITE FOR FREE DESCRIPTIVE FLYER UPS COD FOR IMMEDIATE SHIPMENT ELECTRIC KITS IN STOCK AEROBATIC IMER SPORT SCALE ERS HOLLEYS SILENT FLIGHT 203 748-0083 151 CHESTNUT RIDGE ROAD BETHEL CT 06801 FEATURING ONLY STATE OF THE ART ITEMS 0 5 5 1 m m 0 0 z -I 0 F r m S C S 2 a C 2 HI GloBee plug find proper air circula tion assured file some grooves underside sink several front portion least large rear portion center using low/no-nitro fuel cool weather muff ler must fully closed click open have found Sport GloBee least critical high-performance plug pro vides power tends deteriorate quickly engine gets too hot such would result overlylean needle setting use high-nitro fuel Use Racing GloBee plug will necessi tate use 5-3 prop highestpossible compression used low/no nitro fuel general rule follow save Racing GbBees summer flying and/or using fuel having 25% greater nitro oontentand use Sport GloBee plugs lower nitro and/or cold weather Stock Cox heads fine long intro readily available also work well use big 6-in prop Trimming flying youre just going lot sport flying R recom mend flying over grassy field 25-to 50ft lines using stock Cox giow heads flexible nylon props helper can hand launch model dont need bother landing gear takes 600 handle move ment get full elevator travel use much movement rather moreusual 40 allow groovy level flight handle shown plans highly-modified George Aldrich-type two-finger design made coat-hanger wire Its very useful getting neces sary 600 handle movement has lots padding prevent discomfort windyweather flying use duct tape over cotton cloth highly recommend use some flexible very-high-strength nylon string handle lead-outs can take violent deflection angies associated real live book-oorner maneuvers snap ping cable might two Rs weighing 174 oz other 2114 oz find 450 line rake best position under almost conditions flying 50 55 ft 012 lines 70 ft 008 lines heavier airplane flies better 30 line rake calm weather lighter airplane seems happier 50 line rake winds above 15 mph 012 lines increased drag helps slow ship ma neuvers drops level flight speed almost 2 mph line rake 1 1A0 useful flying 25-ft 012 lines also 63-ft 008 ones Rudder offset 40 80 inside theflight circle seems good fine-tune adjustment range good system determining model alignment set airplane towel-padded backs two kitchen chairs use square determine reference lines vertical hori zontal room Reference lines airplane compared ones room wing stab both 00 incidence checked side add 10 engine downthrust upthrust model built fly clockwise normal flight Drill hole long straight piece balsa mount place prop good reference line Adjust soft PRODUCTS gnu Tug nvcmumun hanflga g Complete Line Exhaust Systems Tuned Pipes Muffled Tuned Pipes Headers * Venturi Mufflers Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpassed Wnrkmenshin & Peformance 144 Model Aviation FULL LINE METAL SPECIALISTS U E 4 24 21 o El I 2 0 0 a GONTIOLIII TEND PROFILE0COMBA PRA T WIDE & NARROW WEDGE 15 -- 6 oz Capacities UNIFLOW & TIND1 Cuutsz uSDA huh Ingredients Fo detaned bs-ochure50C stamps/check oni CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgts SC 29418 803-583-7169 904 478-6745 Al Featuring fast service qualified people latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessories discounted prices RADIO SOUTH rm AUTHORIZED SERVICE CENTER FOR kraft Pro Line 1 Futaba JR 43 West Nine Mile Rd Pensacola FL 32514 rnrn-- * A Futaba Distributor er Inquiries Welcome * e elevator horn give 190 tator travel full belicrank swing l47 F test flights calm weather reveal sence wing stab warps twist out using heat gun iron plastic covering ship should fly true both upright inverted l3t djust tip weight model flies l both upright inverted Dont too much too little ut right model will bobble ing sharp-cornered maneuvers Line ith rake must also trimmed get flying-on-rails look Theoretically e different trim requirements y different flying condition ye found convenient method Ling nose weight adjusting r use special pencil-lead-type ing sinkers surgical tubing rt front rocket tube uld able find items big rting goods store key trimming Stunter try adjustment time until ship ins respond predictably handles sistently types flying nded M 152 $2500 Ca Includes shipping UPS COD add $200 $600 plans CA add 6% Dealer Inquiries invited LINDSEY MICRO PRODUCTS 160-A No Fairview Ave Suite 104 Goleta CA 93117 805 683 2042 After 5 pm Pacific hope eiijoy Ridiculous Stunter much Drop line questions Rich Porter 386 Benji Ct NW Salem OR 97301 Challenger/Higgs-Dunlop Continued page 68 thumb finger compressing wood inside bend stretching wood outside tissue supporting wood fibers no splitting cracking delicate wood Once wood bent will stay way until re-bent Bend left side stab rear down slightly Bend right side stab up slightly left side bent down con tributes much fink rollout can now hand glide model like Throw model little half power slightly exaggerated banknot too much want model go up almost proper launch attitudeabout 7o O model stalls glide add little clay its nose worry about glide circle yet model dives shouldnt bent stab up enough POWERED MODELS Quality ormance ndability YaA Control Line Airplanes Engines Accessories R/C Sailpianes Airplanes R/C Off-Road Cars COX HOBBIES INC 1525 E Warner Ave Santa Ana CA 92705 SEND SASE FOR FREE MINI CATALOG bend right side stab up little model sweeps over its back launch too much up right side enough down left side Throw again same way adjust until model going almost straight up enough left rudder model will go too much right have very wide glide circle model has go slightly right launch order get proper transi tion Dont try too much adjusting part-power launches Now try harder throw about r 70 0.75 d washin left main panel beginning have effect Too much washin will lift wing launch make transition difficult also increase glide circle Keep adjust ing stab rudder control launch add remove clay lead control glide Still dont worry too much about glide circle yet Once have model going OK power increase full power 75 80 ched too near vertical will come over backwards usually poor transi tion model proper launch sweeps back loops near top means too much up-bend Reduce FAI RUBBER Sizes 114 3/16 1/8 3/32 1/16 042 thick pound box Price $1300 FREE 4 oz bottle SLICK rubber lube per box Postpaid UPS USA N \coupdevflI $2395 pius ups 1985 catalog 75C Cal add 6% tax FAIModOl Supply L P0 Box 3957TORRANCE CA 90510 KSB TIMERS FUEL SHUTOFF U -sIt 3OSEC $1190 6MINOT slixo August 1985 145 LMP 1000 1 Both require Two Channel Radio Mini Servos 250 MAH BATT wood construction include hardware needed