Bill Winter 0 K Plane TalL AS JACKIE GLEASON used say sweet flying African-drought stage nice things rain like manna Heaven Ive Purple Planned way through exciting Electric model motor cabin bulk head prop speed reduction long extension shaft big folding prop sin gnawing way through incredible Kadet Senior latter novel approach trainer like big airplanes can fly like Free Flight offer fun blokes like well gluing together Old-Timer-like sticks fun thing dont need trainer Im trying strange spoiler combination out usual tch allows use individually no ailerons Se nior doing can have proportional openings wish can CAR cross control rudder mode Please dont ask. Lord knows what may ginesthe Baby Cyclone price tag $1500 still bit much thanks Irv Polk got wholesale $900 Old Square Sides flew off board always have colossal luck admit being Rubber Scale flier school hard knocks long stralght takeoff wide shallow climbing turn left Several years later published Air Trails could say no boss discretion being better part valor used middle name John Sprague airplane forgotten nearly haIfa century Enter Bill Northrop ModelBuilder Some guy Alaska keep eye him submitted Northrop picture version floats caption saying John Spragues ship would future construction project As prank rushed three-view Model Aviation under own name both items appeared simul taneously Northrop wondered organiza tion leaking Fun Model Builder has published revised Rookie prior tongue cheek Northrop asked check should made out John Sprague Now have picture Alaskan friends full-size Old Square Sides Dave Unruh uses OSS means Old Square Sides out-ofsight . Several years ago says Dave Unruh bought magazine called Classic Flying Models Au never heard Anyone have copy dont need great-looking OldTimer called Old Square Sides scaled magazine plans half-size replica built flew two years 020 049on floats off snow onto water wouldnt ROW due poor float design wheels twochannel RC finally Free Flight free up radio new plane Eventually Left 100 sq miles clear calm wilderness air myself says Dave Unruh describing memorable flight see text Antique-class Old Square Sides near Kenla Alaska has K&B 19 1 0-year-oid Expert radio six-footer says wont stall glide spin otherthan sailing aiong majesticaliy manages clawing loop forasrobatics nephewJohn Koll plc flies too Winterspun out ship hisfirst guess 1938 whata gassie BabyCyclone should iook ilke Unruh got plansfrom MB resurrected ancient model designed byJohn Sprague AKA Bill Winter Right BeforetheMB plans Unruh found oidAir Trails clips build 1/2-size version floats took off snow landed water poor float design prevented ROW Just two channels After two years forgot run tank down before launching Alaska big Winterwonders someday will found Wooily Mammoth revealed Ace RC has resident mixing board mad man loves like assume no-sense challenges mail remarkable its content Folks chat about truly amazing things themselves flyingand mixed bag adventures day bull session means talk other Nature may abhor vacuum Mother Nature must lost shopping malls shall turn loose remarkable people David Unruh Kenai Alaska involves very first gas model letter says lot about flying Old-Timers builders follow own lights typewriter mutters cryptic As twig bent grew tree rambleagain 1936 designed Old Square Sides knowing zilch about gassies already modeling 10 years Hardly anyone money Brown Jr $2150 engines $2150 common herd equivalent modern nine-cylinder four-stroke radial dream happened Col Moseley air school machine shop students assigned practical matter making en18 Model Aviation wna gooa ietover wingst Jiii ioerson noias asas omj scaica-up u-ice lOOK-aliKe called Big Tee50% bigger Rolls reluctantiy flies inverted Took 75% much timeto build asa new planeand costhim oniy$40 Tom says looks iikea home-built enjoys flying way 0S 30to changed OS Max 35 FP mainly cause club now requires mufflers looks like 0-Tee thinks stili Kadet Behold Mud Duck Winter professes find good airplane within ugly duckling disguise Tom Chipley its creator repressed cartoonist tongue-in-cheek cynic sticks pins balloons says Winter should recognize blood brother let mischief run riot designing yet another freedom fighter around leftover wing time Swizzle Stick 40 curious coyote can fatal warn mystery unravelled sort text flight shot youll notice man says good ship gets step Mud Duck grooves nicely landing Believe whole thing concocted emphasize beauties gem-like Saito Winter doubts kit maker would fail love it flies betterthan some kits Hed urge buy plans warm September afternoon forgot run tank down before launching flew away long life dope-and-tissue airplane After its demise found out design Great ordered pians ModelBuilder bui full-size year changed internal structure bit take advantage materials hand externally obvious change little less dihedral kept airfoiled stab pedestal empennage part character plane would lot easier make flat-plate stab mount directly upper stringers fuselage la Q-Tee lowering thrust line 19 mounted upright completely within Out lines cowling Power just right 103 prop all-up weight under 5 lb Radio 10-year-old World Expert five-channel REM have half rudder half elevator works wish put some down right thrust changes trim power setting balsa block cowling fits close would difficult adjust thrust angle now wont stall power off wont spin roll under circumstances loop after long dive always brings large groan bystanders claws its way over top makes What does fly about hundred flights far half other people flying also fly Great Planes CAP 21 ST 75 Its different kind fun vertical takeoffs snap rolls sort thing plane ahead ofme often CAP stimulant OSS sedative would like describe best day flying ever Old Square Sides Dave continues wife camped shore Kenal Lake along narrow glacialfed lake waters nearly-opaque jade color surrounded mountains camp ground features gravel bar protruding lake about 100 ft extending along shore about same distance After studying gravel bar thought could get away few flights afrald springy gear would cause nick prop coarse gravel ROGed hand-launched hundred square miles clear calm wilderness air myself 1500 ft white-and-orange model like tiny jewel against blue sky engine failed would have forced make tricky dead-stick spot landing choose between cold water Kenal Lake thick spruce forest back K&B 19 its peak however chugged along quarter-throttle 10 minutes came time land throttled way back few minutes OSS down 50 feet Down wind leg entered altitude about 200 ft out over lake brightly-colored ship framed beautifully lush green moun tainside flew About 200 yards past gravel bar made wide 180 onto final using turn burn off what altitude left As OSS settled down over water gentle bank could pick up reflection calm surface images inches apart wheel wheel eased throttle forward holding just apart point talk myself keep becoming hypnotized vision two airplanes tight formation inverted bottomless sky Just over edge bar pulled throttle way over OSS bounced stop far edge did four timeswhat gas Unruh sounds like modeling bush pilot others huge state once called Sewards Folly modeling missionary 1984 took unique project local grade school has program gifted/talented kids called QUEST class period day spent especially challenging fun projects Dave teacher hes fire department shift officer volunteered Twice week teacher eight students build Sig Cabinaire Sig Tiger Neither teacher nor students built models before kids fifth-graders models built entirely class flew Unrubs current projects include Flyline Models Great Lakes Trainer simulated five-cylinder radial using OS 40 four-stroke four dummy cylinders refinishing CAP 21 skis building three-channel Arctic Tern latter h-scale version oncefamous Interstate Cadet now manufactured Alaska Tern rate three year Modified tips anew cowling aroundthe 150hp Lycoming double power wartime trainer looks like model model distinctive fm rudder shape give away its Interstate origins Its said superb bush plane Like writer Dave loves out-of-production K&B-Veco ud think didnt have other engines Several club members also building Terns plans regret cant squeeze pictures thingsespecially kids stretch-winding rubber jobsand mass launching Welcome please Tom Elberson De fiance OH saga Big Tee Tom off-and-on modeler 35 46 years acquired aero mechanical engineering de Ever since SAM approved Winters Old Square Sides Antique WOG Vaga bond Old-Timers old boy says hes beengettingaraftofVagpics EdLambsent Ohisson 60-powered FF builtfrom orig inal kit Eagle plans Lamb says hes really enjoying Photo annual Misery Meet Ft Lewis WA co-sponsored Strat-O-Bats Boeing Hawks regular AMA events SAM B Old-Timers grees wife four children busy career during intermission 16 built first RC Lou Andrews Beam after beginning Control Line Free Flight About 10 years ago returned thousands normal life via Sig three-channel Kadet 1 finally made joyful decision roll own nifty Q-Tee cousin Everybody can designer days Toms years experience lying fallow wonder took him long procrastinating Incidentally has diskette Multimate software IBM PC letter includes article building flying full-size plan Im blown away guys word processors write beautiful treatises instead letters like neohunt andpeck rockheads like Some elegant quotes Last fall after outside chores done Elberson begins looking modeling project vety inexpensive two oldest kids now college dusty old Kadet wing left after crash useless hull Q-Tee strained through tree given friend before moved town gave idea design fuselage parasol-type airplane similar Q-Tee bigger could use Kadet wing hardware including engine June1986 19 radio wheels etc Kadet still good would come handy keep costs down made few measurements Q-Tee possible before throwing garbage decided scale up about 50% based its Kadets wingapans About 30 hours designing drafting later full-size plans Big Tee name seemed appro priate completed following gives construction procedure also some I1/8 1 I thinking behind structural design Au Toms instructions uniquely read able spiced thought logic say must keep moving along However cant resist giving excerpt followed comments flying bird Its good stuff design Big Tee fuselage influenced crash experience Kadet design Contender Tom relates impact force during crash determined time therefore distance over impact occurs greater crush distance less force Au Col lapse structure important full-size aircraft Globe Swift being notable example Kadet has aluminum engine mounts attached less toward center firewall momentum aircraft aft firewall taken up transferring loads through sides top bottom fuselage 20 Model Aviation Left Separation Piggybacked George Hendersons Teiemaster40 Gently Ladyfloats free soar pica drawings two pages relate Hendersons system Hes replaced K&B 40 OS 50 get launching altitude quickly big heavy Sailpianes Hes over 350 launches fall 1985 fellow club member has duplicated setup Bridi 40 Loadmaster now club can take up lots gliders mother ships Right Telemaster dwarfed big Paragon Gliders up Two-Meter size can launched stock single-tailed Telemaster triple-tailed version handles big Jobs better flies bet ter itself Note double-truck wheels required because soft silt surface interfered composite takeoffs Left Parts consist just two supports gilder wings fore aft supportaforthe fuselage andthe center release mechanism Parts detach easily fiying Teiemaster its own Wide spacing four supports prevents airborne rocking gilderotherwise certain aileron use Above Launching apparatus place ready take gilder Note inverted U guard/guide atop middle fin Author invento Geurge Henoerson Hat patch says Society Aircraft Demolish important thing picture simple pushrod arrangement operate three ersSAD MemberSmaiiiettersatthebot- rudders precisely Theres ailerontype bail link center rudder cievis rods tom Latin Aircraftus Frnamentus ball link attachments outboard rudders Sturdy aear truck-ilke wheeis show ciearlv TAPE OF FU I/a June1986 21 WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BALSA SNEL1I N 4r 30 1/16233 3/322 40 1/8243 3/16249 114 n2 56 1/32337 1/20337 1/16337 4931 3/32344 5937 1/8 ,3547145 3/16363 9255 1/4 3739561 5/16385 3/8 38812471 1/2 3115155 3/4 3185 1/164597649 3/324 75 9456 1/8 4 8010666 3/164 9312275 1/4 411513686 3/8 4165225 1/2 4225261 MATCIED SMUTS 42 3/324100 1/84106 3/164120 1/44131 BALSA STICKS 3640 1/16 1/409 1/16 3/810 1/16 1/214 3/32 1/410 3/32 3/812 3/32 1/216 1/5 1/806 1/8 1/411 1/8 3/612 1/8 1/216 3/153/1611 3/16 3/817 3/16 1/222 1/4 1/416 1/4 3/519 1/4 1/221 1/4 3/434 1/4 140 5/165/1621 3/8 3/827 3/8 1/232 3/8 3/442 3/8 152 1/2 1/234 1/2 3/446 1/2 159 5/8 5/948 3/4 3/467 BALSA HOT LINE Cd 506 745-6394 10mm- 6pm Ceutral rime LONE STAR MODELS 123 57th St LubhDEk TX 79412 v113 BALSA TRIANGLES N 4425 3/83630 2 235 34 3445 55 6 S BALSA PLANKSN 2465 6 250 3200 304266 2411/23275 2811/24300 3022225 4423325 24435 2933495 3734698 46 55 TAPERED SHEETSN 1/4265TRMLNEI EDGEN 531/43851/4132 623/52655/1611/439 3/53963/91 1/246 1/231251/2270 LONE STAR EPOXY 9,Lil645 51,598 15mm596 30,598 MS rANT CL VE 1 e Thck298 Thi299 2cm Thick550 2, Thin550 CUSTOM CUT CONTEST BALSA Sheets Piece ed Close Tolerances AAA Grade Dried ped 100% a serious modeler want performance must try 4-6 lb balsa LIGHT 4-6 LB WOOD36 1/32349 1/20349 1/16349 3/32355 1/8367 3/16375 1/4355 3/83115 1/23139 3/43220 13300 1/16478 3/32491 1/84100 3/164117 1/44139 3/84207 1/24293 BASSWOOD48 3/163/1625 3/161/430 3/163/639 3/161/246 3/163/400 1/41/442 1/43/949 1/43/465 3/83/800 3/81/270 3/83/490 1/21/200 1/23/4100 BUNDLE DEALS 20-1/5330685 201/164301025 20-3/32330840 153/32436955 151/5330715 101/8430675 153/16336500 103/16430610 101/4330630 101/4430890 10-3/8339800 53/8430625 51/2330540 51/2430855 103/32446845 51/8446465 53/16446565 51/4446625 P8HZ STICKS 36 48 1/81/81317 1/814/633 1/83/82027 3/163/161724 3163/82332 3/161/23040 1/41/42537 1/43/83042 141/23447 3/9 3/8 37 52 SPRUCE STICKS N 48 1/8 1/815 1/8 141824 1/53/82529 3/16 3/162534 1/4 1/43145 1/4 3/83050 3/8 3/54563 3/8 1/25570 1/2 1/28066 13 3/45998 SPRUCE TRIANGLES N 3/53/845 1/21/261 3/4 3/477 HARD MAPLE 1/4 3/5 3/83/5 3/81/2 3/53/4 123/4 ERICH DOWELS 1/5 3/16 1/4 5/16 3/8 IS 40 45 50 59 55 N 09 11 14 25 32 3P9YB*RCH 48 1/6412525 1/3212425 1/1612435 1/512400 SPLYBIRCN48 3/3212070 1/812585 3/1612565 1/412600 GROOVED LA MOUNTS 12 Imches LITE PLY 483/83/4/1/8/ 1/561503/83/4/5/32/ 1/8133001/23/4/3/16/ 46 46 45 Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO accpl Visa Masts Card personal checks COD 4-1/8% Ia icr Teas US crrency Mini,, Order 01000 S-em firewall mounts engine likely event engine/prop strikes ground first Since aluminum mounts wont give much crash engine doesnt usually give much crush distance ahead firewall short impact loads high directly transferred tend buckle firewall just what happened case once firewall collapsed rest aircraft easily failed no way make model crashproof course Contenders engine-mounting system seems better standpoint uses maple wood mounts glued along sides fuselage clear back second former soft n balsa block glued front mounts cowl soft balsa well So after engine buries prop shaft balsa starts crush during crash aft loads taken directly through mounts least thats theory used mounting system other feature liked about Con tenders construction what call spine piece -in balsa sheet running front back having shape planform fuselage pin plans first glue sides around formers Thus shape alignment fuselage assured made inside fuselage width exactly 3 spine formers use full 3 balsa width saving cutting wasted material can later build turtleback tank compartment hatch above give aircraft realistic shape.. some trepidation take first design flying field Tom says Will fly Will flying buddies chuckle under breath Im sure aircraft benefits greatly its Kadet wing positioned same incidence Kadet tail moments typical wing loading 185 oz/sq ft fine So give best pilot field watch What joy see ROG out grass behind old trusty OS 30 walt Continued page 24 22 Model Aviation * Special Detergents help prevent varnish promote clean burning * Rust Preventatives protect expensive engines corrosion SIG CHAMPION 2-STROKE FUEL FREE SHIPPING ON ORDERS OVER $1500COLLECT PINTQUARTGALLON55 GAL DRUM 0% Nitromethane$315$450$1050$19000 5% Nitromethane$365$525$1250 10% Nitromethane$415$550$1450$32500 15% Nitromethane$430$625$1650 25% Nitromethane$495$750$2095 35% Nitromethane$575$875$2495 SIGPREMIUM4-STROKE FUEL 10% Nitromethane$415$550$1395$29500 15% Nitromethane$425$625$1595 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending fuel finest quality ingredients available alcohol 995% pure very best grade available nitromethane use 100% pure get honest portion based % volume masimum lubrication get perfect 50/50 blend Bakers AA Castor Oil Kiotz Techniplate Racing Oil protect expensive engines finest quality fuel can made price Dont take word try some ludge yourself See dealer first available order direct Call ____ 800-247-5008 toll free orders Latest Catalog $3 SIG MANUFACTURING CO Montezuma IA 50171 PrrCOS suSiect change withojat note show signs structural problems maneu vers become energeticdives loops spins etc After test pilot puts through rigorous set flight conditions hands trans mitter first thing notice similar flies Kadet did feel flight control surfaces bit too sensitive have subsequently changed neutral rudder elevator used able roil Kadet big barrel roll Big Tee just didnt seem want come around Its spins better however will well inverted maybe Im just prejudiced looks better especially air has look homebuilt experimental aircraft 8-oz tank gives up 20 min flight time Kadets 6-oz tank gave 10 12 mm often wanted first tail-dragger RC first successful takeoff really third try since using grass takeoffs since aircraft overpowered didnt feel frustrated problems Because going mandatory mufflers flying field am going replace theoldOS 30withanewOSMax3SFPwith muffler should give plenty power really affect weight since can remove some nose weight install model plain very functional Easy economical build fun fly took about three-fourths time build Kadet Contender did Although started wing aiready built did include design drafting time would have easily enough build wing leftovers Kadet other surplus ma terials cost little over $40 out pocket has given lot joy know folks concoct new planes using old wings bored some old model sketch something different Youve heard about flsbheads fish tails Leftovers washouts Often wing survives What great way combine imagination saving time money Presto have very own one-of-a-kind conversation piece Hey looks nice flies great What kit rafters filled nice old wings potential future get back air epi sodes ugly duckling What see look airplane Tom Chipleys Mud Duck looks like contender worlds ugliest airplane Its between-the-lines statement whimsical functional talks Its really clever Tom Chipley suspect ebullient optimist wry slayer pretentious dragons know trying read letters easy says Tom sticking pin balloon Compounding problem delightful stream consciousness Au Aw gee fact have forgotten what said letter assume what say must have said something about sending photos Well two letters second bearing postscript approximately 700 words long Elec tric guys will love another issue now back Mud Duck OK asked Chipley prods Pho tos stuff make fly out Great Dark Away pressures peers Au theme song slip something com fortable just lay back Au Chip talking airplanes parts pieces airplanethe kind enjoy fuselage built Electric turned out too heavy nose plane present firewall portions Continued page 26 24 Model Aviation U U ALL PURPOSE FOAM CU1TER Hands Off Cut II Especially Designed Tapered Wings HANDS OFF CUT II unique device cutting high quality foam wing cores hands off also cuts both sides same time Most modelers will amazed high quality smooth surface will achieve using device plus added advantage having wait until friends can come around help However just foam wing cutter HANDS OFF also capable cutting precision foam components such fuselage sections cowls tail surfaces HANDS OFF available hardware package assemble own board HANDS OFF CUT II requires 24 volt variable output power supply Easy assemble s approximately 15 minutes Dealers WantedHands Off Cut II Hardware Pkg$8750 plus $3 ship ft hand 24 Volt Variable Output Power 0 pius $3 ship ft hand ///~ NORRAY PRODUCTS INC 5 008 Sandbeach Road Wichita Falls TX 76310 Tel 81116924475 POSI -CURETM CYANOACRYLATE SPECIAL INTRODUCTORY OFFER ListSaleSavings 1 oz Fast Cure 3-5 Sec495$24500/0 Off 2 oz Fast Cure 3-5 Sec895$396560/0 Off 1 oz Gap-Filling 5 Sec$250% Off 2 oz Gap-Filling 5 Sec895$39656% Off OUR GUARANTEE TO YOU satisfied POSI-CURE please return unused portion within 30 days full refundNo questions asked SHELDONS HOBBY SHOP 3157 Alum Rock Ave Jose CA 95127 FOR ORDERS ONLY PLEASE 800 2283237e408 251-0789 Out State INFO 408 251-0787 California 0 SHIPPING per order Hours Mon-Wed Fri & Sat 930530 FAST SERVICE Thur 930-900 1200-500 COD ADD $1 90 48 span 5 2-4cycle 3ChannE Easily converted electric celient sor tne negmn nor can set up challenge expert hand cut kit*3996 Super50Span1S-25 Pronto2-4 cycle annel Same excellent qualities Pronto aerobetic ailerons*4995 Square48 span sq Shooter 25.4524cycle4chnl Can customized suit taste pure hot rod rear exhaust tuned pipe ass docile very aerobatic Sunday Flyer 25 40 Easy build hand cut kit 5996 Available dealer order direct Add *200 shipping additional *200 COD save COD sand check money order VA Ras add 4% sales tax TIDEWATER HOBBY ENTERPRISES Route 1 Box 241 D Lanexa Virginia 23089 804-966-5092 what would prefer things turned out Hayes engine mount fit plywood nose exactly wing Swizzle Stick 40 did fly wanted comedic designer explains stab stressed skin Vi2 sheet over few Vie ribs structure built canard design stillborn landing gear directly brown paper bag holds remains Robin Hood fell victim literally faulty radio signal wheels have flown almost planes since 1981 talisman simply decora tion love way look engine little jewel aluminum steel bronze chrome plate miniature valves pushrods flaunting function air Saito 30 chosen choice mostly aesthetic Internal combus tion engines have fascinated long care remember charm power speed rather something harder communicate someone has never spread engine out floor bench gone through part find hiding fault rejoiced perfection casting forging ma chining visible explorer inner realm Au Dont fourstroker youll sorry seethe beauty Model T Ford Citroen 2CV Ferrari 12 cylinder Jaguar 6 see something beyond name power something unites other machines man Saito 30 its exposed valve assembly leading side cylin der irresistible plane bears engine should same spirit reflection function overstatement power speed Fine qualities salute function Function fuselage flight surfaces serve doing little regard aesthetics define complement engine engine leads way arrogant its func tion flies see what have wanted see RC planes since first began building flying few years back see relaxed comfortable combination airframe power plant does have compare itself other easy fly yet responsive Takeoffs very stable mild crosswind Landings slow floating plane enjoy just fun Well Isee got tad wordy having read material few years feel am good company yet still running catch up specifics plane span 60 chord 10 horizontal stab 25 x 5 stab area 125 sq prop 10-6 fuselage length spinner end elevator 46 weight 62 oz 387 lb wing loading 96 lb/ft2 1536 oz/ft2 wing area 402 sq ft Hes serious statement Functional Flat windshield wood painted windows flat fuselage top modest incidence built stability flat-bottom wing flat angied nose top bottom open-air engine mounting flat fuselage bottom handy strap-on doublestrut gear sweepback vertical tail save perdition angled rudder hinge line helps keep wing tip up rudder turns low ample rudder area plenty rudder power throw-around three-channel aerobatics minimum rotational force around roll axis improved spiral stability turns sectioned stab always better flat stab tail perhaps downwash reasons maybe whimsical jet-age stuff anyway straight up slab would too ugiy prankish Chipley Continued page 136 26 Model Aviation L Dave Robelens Playmate Featured Aprii 86 Model Aviation 3 Channel port-Fun Fly 25 cycle Fast assembly hand cut kit*4996 Pronto EASY TO NDCRAFTED KITS AT LOW PRICES VVII l F.A.JI OL III60 Length 53 inEngine 60Leng its include Pre-built fiberglass fuselage foam cores shaped strip ailerons complete hardware pack SEND CHECK OR MONEY ORDER TO,. VISA & MASTER CARD ACCEPTED ZON MODELS INC T-404 Kelly Ave Manchester NH 03103 603 627-9503 Safety/Preston Continued page 133 respondent opposed man dating pilot location club field nevertheless very concerned about radios interfering another enclosed let ter club sent AMA President John C Grigg expressed clubs con cern about ability radio manufacturers manufacture equipment will operate successfully frequency spacing tween channels reduced not-toodistant future Perhaps mandatory pilot-saving may way operate after 1991 Question No 6 Ten readers submitted other suggestions concerning safety RC flying fields Briefly summarized follow Get rid hotdoggers always edge wrong side flying safely Reduce interference having good clean primary-channel output Tx Good product review boards Everything magazines comes Out good have problems field Radio manufacturers should provide connec tors accommodate ESVs battery checks Increased punishment following already-set rules Get needle valve away spinning FAIRCHILDS MAGNIFICENT TANK KILLING A-b THUNDERBOLT H WARTHOG IN RELIABLE PROP VERSION SB WING SPAN FOR 60 ENGINE Plan No 104 $1400 postage paid wilkin USA N J resideols odd 6% soles tax RFM Design Research PO BOX 2393 VINCENTOWN NJ 08088 prop club have safety officers Experienced RCers pass knowledge newcomers Enforce rule keep spectators Out pits Ground models visual damage poor improper workmanship Maybe some video tapes scare guys couldnt care less about safety Have first aid kit possible telephone field emergencies Classify trainer models Primary Basic Advanced time read column will see May Safety column has addressed subject trainer models really arent trainers situation above respondents covered some length let ter havent already responded re quest May column thoughts classifying trainers Basic Advanced categories Im still interested hearing want thank responded reader questionnaire intend pass results AMA Safety Committee sug gest review Dave Abbes suggestions exception Question No 3 fail-safe throttle part Question No 5 ma jority readers appears agree Dave Have safe month Jo/in Preston 12235 Ti/den wood Dr Rock v/lie MD 20852 Plane Talk/Winter Continued page 26 curved fuselage lines beautify ugliness after cant see meticulously-done decorations mysterious panels lettering like military planes sort thing think Cut extract pilot am sure maybe neat rectangles inked portray locations airborne equipment Love mean-nothing arrows especially merely points jewel-like Saito inspired Chipley craft wonder Ye gods knows what doing flies great everyone can make statement note flight shot landing shows flies step Telemaster bonanza informational value itemjustifies break traditional format column data would make fine article magazine George Hen derson charter member Fallbrook RC Flyers California says has neither time talent lities produce article acceptable magazine wishes make system available other fliers Heres letter verbatim enjoyed very much too wish share Obviously impossible within column include detailed instructions provide full-size drawings authors feeling modelers level will able deduce combination photos drawings system works will able duplicate customize necessary parts Hender sons material normally would comprise fourpage article case would want contact him please write George Henderson 3662 Northcliff Dr Fallbrook CA 92028 Ive got 40-size Telemaster has real delight George tells us Au bralns Id make Telemaster hackers cannot better Ive currently made over 350 glider launcheseverything 2 x 4s Gentle Ladies Oly 650s Oly us overweight Para gon Mark Smiths Sensor 117 numerous unknown designs close full set parts friend can make installation Telemaster similar plane try design improve see fit 136 Model Aviation 4 EngIne 4U sheeted balsa machine cut balsa tail surfaces FREE FLIGHT SUPPLIES FAI Rubber Japanese Tissue Rubber Lube Nitrate Dope Front End Bearings Assemblies Crocket Hooks DT Fuse KSB Timers Cox Engines & Parts Kits Blue Ridge Peck Midway Micro-x others ox 5996 -Lake Worth FL 33461 CATALOG $100 others can enjoy fellow club members added installation Bridi 40-powered Loadmaster does beautiful job launching everything up through Oly us club now loaded two glider launchers went through three different versions before arriving present system first thing youll note triple tail first Tele master strictly stock tail sections larger gliders interfered fin rudder T cut center fin rudder added two outboard fins rudders now can launch just about anything Telemaster will handle Two-Meter jobs original center fin Flight characteristics seem bit improved triple tailjust fun flying no glider Originally powered K&B 40 did satisfactory job George goes larger gliders have considerably weight drag took couple circles get altitude now use 05 50 can handle anything quite easily other thing may notice photos dual truck-like tires glidertowing requirement flying field has about 2 fine silt top plane glider used mire down during taxi takeoff Although dual wheels add weight solve ground problems Incidentally just take off four wire parts plane goes back normal photos taken various club members have no camera George thank country full special airplanes imaglnation plethora things wonderful projects ingenious ideas Too us labor under superficial delusion RC forever 50-in plane 40 englne look ads reassures us however us time evolve manner things kinds airplanes Variety spice life Life hobby terms becomes dreary avocation Folks like George keep evergreen dont have build eight-engined Spruce Goose hang onwhat encore early 60s Phil Kraft designed Ugly Stik published Grid Leaks thought Phil daftand frankly Stik stank ice Now 35 years later like would build remarkable-performing allaround ship kitted infinite variations probably built greater numbers other RC earth Variety just around corner anyone things like yours George remind us man must create fulfilled Modeling like George Thank Bill Winter 4432 Altura Ct Fairfax VA 22030 Can talltagain am now receiving some unusually difficult questions obvious impor tance ask letters outside normal field expertise writers state seem know answers dont knowledge Electrics RC Scale etc badly limited compared experience specialist columnists like Kopski Wischer will far better served such matters always addressing special columnist choice other magazines maga zine addresses ends col umns will take questions relating own planes projects refer deep stuff Normal mall always welcome essential continued prosperity fun column Henry T/Thomas Continued page 34 overflow tube beneath engine Drill another hole oil drain through cowl bottom rear Cut open top cowl provide access engine Finish shaping cowl fit flush against spinner leave clearance spring starter Block-sand cowl blend smoothly firewall used buty rate dope fuel-proof firewall cowl interior After much flying oil penetrated areas advise epoxy coating better durability Covering Take time thoroughly finesand entire model inspect uneven seams dents blemishes Go over Elmers spaclding paste dries quickly will easily cover areas Fine-sand filled places go over entire structure tac cloth remove dust grit particles recommend MonoKote its strength Cover fuselage sides first tacking MonoKote edges little reduced heat iron smooth down Let covering lap around edges about 1/~ Next cover top bottom trimming covering flush edges Cover stabilizer except joins fuselage fin Cover bottom surfaces first trimming edges flush top covering can lap around edges bit Epoxy stabilizer fuselage sight ing across fuselage top make sure alignment Add small strips pieces MonoKote cover assembly joints Cover fin ruddr similarly Since elevators tapered thinly soft material take care covering Cover bottom surfaces first trimming edges flush elevator may curl bit bottom covered will tend straighten top covering goes Lap edges under slightly point elevator horn mounted extending bolts cut ground off flush Join elevator stabilizer MonoKote hinge applying first nar row strip lower surfaces V raising elevator adhering film top strip flush slight clearance should provided prevent binding horizontal tail must completely mounted before fin can firmly ce mented place centerline Add MonoKote strips lap fin sta bilizer joint Carefully mark three hinge locations fin rudder drill holes accommodate hinge points Also drill hole tail wheel wire extension enters rudder near bottom Glue hinge points place moving rudder often glue sets Mount rudder horn grind extending mount ing bolts off flush Cover lower wing urfaces first Contiiued page 140 4Ye4//V R/C SPORT SHORT KITS THESE HIGH PERFORMANCE KNOCK AROUND FLYING MACHINES ARE EASY TO BUILD AND FUN TO FLY THEY ARE DESIGNED WITH PLENTY OF WING AND TAIL AREA FOR POSITIVE HIGH AND LOW SPEED CONTROL WE USE STRAIGHT FORWARD QUICK AND STURDY CONSTRUCTION THAT MAKES SENSE SHORT KITS INCLUDE PRECISION CUT FOAM WING CORES ABS HIGH INPACT FORMED COWLING CLEAR FORMED CANOPY WITH FRAMEWORK DETAIL STRONG FORMED STEEL ENGINE MOUNT EASY TO FOLLOW PLANS WITH CONSTRUCTION DETAILS AND ALL NECESSARY TEMPLATES PRE-CUT PLYWOOD FIREWALL LANDING GEAR BLOCKS STRAPS & SCREWS BILL OF MATERIALS NO BALSA INCLUDED PRICE PER KIT $2695TWO FOR $5000 WORLD WAR II FIGHTER SERIES JAPANESE A6M2 ZERO SPAN 544-CHANNEL 29 TO 45 ENGINE 4 LBS AMERICAN P-40 TOMAHAWK 29 TO 45 ENGINE SPAN 554-CHANNEL4 LBS GERMAN FW-19029 45 ENGINE SPAN 544-CHANNEL4 LBS ITALIAN c202 FOLGORE29 TO 45 ENGINE SPAN 544-CHANNEL4 LBS ORDERING SEND CHECK OR MONEY ORDER FOR REGUIRED AMOUNT PLUS $450 POSTAGE PER KIT CANADIANS ADD $650 TO WING MFG PO BOX 33 CRYSTAL LAKE IL 60014 ILLINOIS RESIDENTS ADD 6% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND $350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM CORE REPLACEMENT WINGS ACCESSORIES KITS TOOLS AND MUCH MORE PHONE 815 459-0417 FOR FAST COD SERVICE BYMF6 QUALITY PRODUCTS SINCE 1964 June1986 137
Edition: Model Aviation - 1986/06
Page Numbers: 18, 19, 20, 21, 22, 24, 26, 136, 137
Bill Winter 0 K Plane TalL AS JACKIE GLEASON used say sweet flying African-drought stage nice things rain like manna Heaven Ive Purple Planned way through exciting Electric model motor cabin bulk head prop speed reduction long extension shaft big folding prop sin gnawing way through incredible Kadet Senior latter novel approach trainer like big airplanes can fly like Free Flight offer fun blokes like well gluing together Old-Timer-like sticks fun thing dont need trainer Im trying strange spoiler combination out usual tch allows use individually no ailerons Se nior doing can have proportional openings wish can CAR cross control rudder mode Please dont ask. Lord knows what may ginesthe Baby Cyclone price tag $1500 still bit much thanks Irv Polk got wholesale $900 Old Square Sides flew off board always have colossal luck admit being Rubber Scale flier school hard knocks long stralght takeoff wide shallow climbing turn left Several years later published Air Trails could say no boss discretion being better part valor used middle name John Sprague airplane forgotten nearly haIfa century Enter Bill Northrop ModelBuilder Some guy Alaska keep eye him submitted Northrop picture version floats caption saying John Spragues ship would future construction project As prank rushed three-view Model Aviation under own name both items appeared simul taneously Northrop wondered organiza tion leaking Fun Model Builder has published revised Rookie prior tongue cheek Northrop asked check should made out John Sprague Now have picture Alaskan friends full-size Old Square Sides Dave Unruh uses OSS means Old Square Sides out-ofsight . Several years ago says Dave Unruh bought magazine called Classic Flying Models Au never heard Anyone have copy dont need great-looking OldTimer called Old Square Sides scaled magazine plans half-size replica built flew two years 020 049on floats off snow onto water wouldnt ROW due poor float design wheels twochannel RC finally Free Flight free up radio new plane Eventually Left 100 sq miles clear calm wilderness air myself says Dave Unruh describing memorable flight see text Antique-class Old Square Sides near Kenla Alaska has K&B 19 1 0-year-oid Expert radio six-footer says wont stall glide spin otherthan sailing aiong majesticaliy manages clawing loop forasrobatics nephewJohn Koll plc flies too Winterspun out ship hisfirst guess 1938 whata gassie BabyCyclone should iook ilke Unruh got plansfrom MB resurrected ancient model designed byJohn Sprague AKA Bill Winter Right BeforetheMB plans Unruh found oidAir Trails clips build 1/2-size version floats took off snow landed water poor float design prevented ROW Just two channels After two years forgot run tank down before launching Alaska big Winterwonders someday will found Wooily Mammoth revealed Ace RC has resident mixing board mad man loves like assume no-sense challenges mail remarkable its content Folks chat about truly amazing things themselves flyingand mixed bag adventures day bull session means talk other Nature may abhor vacuum Mother Nature must lost shopping malls shall turn loose remarkable people David Unruh Kenai Alaska involves very first gas model letter says lot about flying Old-Timers builders follow own lights typewriter mutters cryptic As twig bent grew tree rambleagain 1936 designed Old Square Sides knowing zilch about gassies already modeling 10 years Hardly anyone money Brown Jr $2150 engines $2150 common herd equivalent modern nine-cylinder four-stroke radial dream happened Col Moseley air school machine shop students assigned practical matter making en18 Model Aviation wna gooa ietover wingst Jiii ioerson noias asas omj scaica-up u-ice lOOK-aliKe called Big Tee50% bigger Rolls reluctantiy flies inverted Took 75% much timeto build asa new planeand costhim oniy$40 Tom says looks iikea home-built enjoys flying way 0S 30to changed OS Max 35 FP mainly cause club now requires mufflers looks like 0-Tee thinks stili Kadet Behold Mud Duck Winter professes find good airplane within ugly duckling disguise Tom Chipley its creator repressed cartoonist tongue-in-cheek cynic sticks pins balloons says Winter should recognize blood brother let mischief run riot designing yet another freedom fighter around leftover wing time Swizzle Stick 40 curious coyote can fatal warn mystery unravelled sort text flight shot youll notice man says good ship gets step Mud Duck grooves nicely landing Believe whole thing concocted emphasize beauties gem-like Saito Winter doubts kit maker would fail love it flies betterthan some kits Hed urge buy plans warm September afternoon forgot run tank down before launching flew away long life dope-and-tissue airplane After its demise found out design Great ordered pians ModelBuilder bui full-size year changed internal structure bit take advantage materials hand externally obvious change little less dihedral kept airfoiled stab pedestal empennage part character plane would lot easier make flat-plate stab mount directly upper stringers fuselage la Q-Tee lowering thrust line 19 mounted upright completely within Out lines cowling Power just right 103 prop all-up weight under 5 lb Radio 10-year-old World Expert five-channel REM have half rudder half elevator works wish put some down right thrust changes trim power setting balsa block cowling fits close would difficult adjust thrust angle now wont stall power off wont spin roll under circumstances loop after long dive always brings large groan bystanders claws its way over top makes What does fly about hundred flights far half other people flying also fly Great Planes CAP 21 ST 75 Its different kind fun vertical takeoffs snap rolls sort thing plane ahead ofme often CAP stimulant OSS sedative would like describe best day flying ever Old Square Sides Dave continues wife camped shore Kenal Lake along narrow glacialfed lake waters nearly-opaque jade color surrounded mountains camp ground features gravel bar protruding lake about 100 ft extending along shore about same distance After studying gravel bar thought could get away few flights afrald springy gear would cause nick prop coarse gravel ROGed hand-launched hundred square miles clear calm wilderness air myself 1500 ft white-and-orange model like tiny jewel against blue sky engine failed would have forced make tricky dead-stick spot landing choose between cold water Kenal Lake thick spruce forest back K&B 19 its peak however chugged along quarter-throttle 10 minutes came time land throttled way back few minutes OSS down 50 feet Down wind leg entered altitude about 200 ft out over lake brightly-colored ship framed beautifully lush green moun tainside flew About 200 yards past gravel bar made wide 180 onto final using turn burn off what altitude left As OSS settled down over water gentle bank could pick up reflection calm surface images inches apart wheel wheel eased throttle forward holding just apart point talk myself keep becoming hypnotized vision two airplanes tight formation inverted bottomless sky Just over edge bar pulled throttle way over OSS bounced stop far edge did four timeswhat gas Unruh sounds like modeling bush pilot others huge state once called Sewards Folly modeling missionary 1984 took unique project local grade school has program gifted/talented kids called QUEST class period day spent especially challenging fun projects Dave teacher hes fire department shift officer volunteered Twice week teacher eight students build Sig Cabinaire Sig Tiger Neither teacher nor students built models before kids fifth-graders models built entirely class flew Unrubs current projects include Flyline Models Great Lakes Trainer simulated five-cylinder radial using OS 40 four-stroke four dummy cylinders refinishing CAP 21 skis building three-channel Arctic Tern latter h-scale version oncefamous Interstate Cadet now manufactured Alaska Tern rate three year Modified tips anew cowling aroundthe 150hp Lycoming double power wartime trainer looks like model model distinctive fm rudder shape give away its Interstate origins Its said superb bush plane Like writer Dave loves out-of-production K&B-Veco ud think didnt have other engines Several club members also building Terns plans regret cant squeeze pictures thingsespecially kids stretch-winding rubber jobsand mass launching Welcome please Tom Elberson De fiance OH saga Big Tee Tom off-and-on modeler 35 46 years acquired aero mechanical engineering de Ever since SAM approved Winters Old Square Sides Antique WOG Vaga bond Old-Timers old boy says hes beengettingaraftofVagpics EdLambsent Ohisson 60-powered FF builtfrom orig inal kit Eagle plans Lamb says hes really enjoying Photo annual Misery Meet Ft Lewis WA co-sponsored Strat-O-Bats Boeing Hawks regular AMA events SAM B Old-Timers grees wife four children busy career during intermission 16 built first RC Lou Andrews Beam after beginning Control Line Free Flight About 10 years ago returned thousands normal life via Sig three-channel Kadet 1 finally made joyful decision roll own nifty Q-Tee cousin Everybody can designer days Toms years experience lying fallow wonder took him long procrastinating Incidentally has diskette Multimate software IBM PC letter includes article building flying full-size plan Im blown away guys word processors write beautiful treatises instead letters like neohunt andpeck rockheads like Some elegant quotes Last fall after outside chores done Elberson begins looking modeling project vety inexpensive two oldest kids now college dusty old Kadet wing left after crash useless hull Q-Tee strained through tree given friend before moved town gave idea design fuselage parasol-type airplane similar Q-Tee bigger could use Kadet wing hardware including engine June1986 19 radio wheels etc Kadet still good would come handy keep costs down made few measurements Q-Tee possible before throwing garbage decided scale up about 50% based its Kadets wingapans About 30 hours designing drafting later full-size plans Big Tee name seemed appro priate completed following gives construction procedure also some I1/8 1 I thinking behind structural design Au Toms instructions uniquely read able spiced thought logic say must keep moving along However cant resist giving excerpt followed comments flying bird Its good stuff design Big Tee fuselage influenced crash experience Kadet design Contender Tom relates impact force during crash determined time therefore distance over impact occurs greater crush distance less force Au Col lapse structure important full-size aircraft Globe Swift being notable example Kadet has aluminum engine mounts attached less toward center firewall momentum aircraft aft firewall taken up transferring loads through sides top bottom fuselage 20 Model Aviation Left Separation Piggybacked George Hendersons Teiemaster40 Gently Ladyfloats free soar pica drawings two pages relate Hendersons system Hes replaced K&B 40 OS 50 get launching altitude quickly big heavy Sailpianes Hes over 350 launches fall 1985 fellow club member has duplicated setup Bridi 40 Loadmaster now club can take up lots gliders mother ships Right Telemaster dwarfed big Paragon Gliders up Two-Meter size can launched stock single-tailed Telemaster triple-tailed version handles big Jobs better flies bet ter itself Note double-truck wheels required because soft silt surface interfered composite takeoffs Left Parts consist just two supports gilder wings fore aft supportaforthe fuselage andthe center release mechanism Parts detach easily fiying Teiemaster its own Wide spacing four supports prevents airborne rocking gilderotherwise certain aileron use Above Launching apparatus place ready take gilder Note inverted U guard/guide atop middle fin Author invento Geurge Henoerson Hat patch says Society Aircraft Demolish important thing picture simple pushrod arrangement operate three ersSAD MemberSmaiiiettersatthebot- rudders precisely Theres ailerontype bail link center rudder cievis rods tom Latin Aircraftus Frnamentus ball link attachments outboard rudders Sturdy aear truck-ilke wheeis show ciearlv TAPE OF FU I/a June1986 21 WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BALSA SNEL1I N 4r 30 1/16233 3/322 40 1/8243 3/16249 114 n2 56 1/32337 1/20337 1/16337 4931 3/32344 5937 1/8 ,3547145 3/16363 9255 1/4 3739561 5/16385 3/8 38812471 1/2 3115155 3/4 3185 1/164597649 3/324 75 9456 1/8 4 8010666 3/164 9312275 1/4 411513686 3/8 4165225 1/2 4225261 MATCIED SMUTS 42 3/324100 1/84106 3/164120 1/44131 BALSA STICKS 3640 1/16 1/409 1/16 3/810 1/16 1/214 3/32 1/410 3/32 3/812 3/32 1/216 1/5 1/806 1/8 1/411 1/8 3/612 1/8 1/216 3/153/1611 3/16 3/817 3/16 1/222 1/4 1/416 1/4 3/519 1/4 1/221 1/4 3/434 1/4 140 5/165/1621 3/8 3/827 3/8 1/232 3/8 3/442 3/8 152 1/2 1/234 1/2 3/446 1/2 159 5/8 5/948 3/4 3/467 BALSA HOT LINE Cd 506 745-6394 10mm- 6pm Ceutral rime LONE STAR MODELS 123 57th St LubhDEk TX 79412 v113 BALSA TRIANGLES N 4425 3/83630 2 235 34 3445 55 6 S BALSA PLANKSN 2465 6 250 3200 304266 2411/23275 2811/24300 3022225 4423325 24435 2933495 3734698 46 55 TAPERED SHEETSN 1/4265TRMLNEI EDGEN 531/43851/4132 623/52655/1611/439 3/53963/91 1/246 1/231251/2270 LONE STAR EPOXY 9,Lil645 51,598 15mm596 30,598 MS rANT CL VE 1 e Thck298 Thi299 2cm Thick550 2, Thin550 CUSTOM CUT CONTEST BALSA Sheets Piece ed Close Tolerances AAA Grade Dried ped 100% a serious modeler want performance must try 4-6 lb balsa LIGHT 4-6 LB WOOD36 1/32349 1/20349 1/16349 3/32355 1/8367 3/16375 1/4355 3/83115 1/23139 3/43220 13300 1/16478 3/32491 1/84100 3/164117 1/44139 3/84207 1/24293 BASSWOOD48 3/163/1625 3/161/430 3/163/639 3/161/246 3/163/400 1/41/442 1/43/949 1/43/465 3/83/800 3/81/270 3/83/490 1/21/200 1/23/4100 BUNDLE DEALS 20-1/5330685 201/164301025 20-3/32330840 153/32436955 151/5330715 101/8430675 153/16336500 103/16430610 101/4330630 101/4430890 10-3/8339800 53/8430625 51/2330540 51/2430855 103/32446845 51/8446465 53/16446565 51/4446625 P8HZ STICKS 36 48 1/81/81317 1/814/633 1/83/82027 3/163/161724 3163/82332 3/161/23040 1/41/42537 1/43/83042 141/23447 3/9 3/8 37 52 SPRUCE STICKS N 48 1/8 1/815 1/8 141824 1/53/82529 3/16 3/162534 1/4 1/43145 1/4 3/83050 3/8 3/54563 3/8 1/25570 1/2 1/28066 13 3/45998 SPRUCE TRIANGLES N 3/53/845 1/21/261 3/4 3/477 HARD MAPLE 1/4 3/5 3/83/5 3/81/2 3/53/4 123/4 ERICH DOWELS 1/5 3/16 1/4 5/16 3/8 IS 40 45 50 59 55 N 09 11 14 25 32 3P9YB*RCH 48 1/6412525 1/3212425 1/1612435 1/512400 SPLYBIRCN48 3/3212070 1/812585 3/1612565 1/412600 GROOVED LA MOUNTS 12 Imches LITE PLY 483/83/4/1/8/ 1/561503/83/4/5/32/ 1/8133001/23/4/3/16/ 46 46 45 Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO accpl Visa Masts Card personal checks COD 4-1/8% Ia icr Teas US crrency Mini,, Order 01000 S-em firewall mounts engine likely event engine/prop strikes ground first Since aluminum mounts wont give much crash engine doesnt usually give much crush distance ahead firewall short impact loads high directly transferred tend buckle firewall just what happened case once firewall collapsed rest aircraft easily failed no way make model crashproof course Contenders engine-mounting system seems better standpoint uses maple wood mounts glued along sides fuselage clear back second former soft n balsa block glued front mounts cowl soft balsa well So after engine buries prop shaft balsa starts crush during crash aft loads taken directly through mounts least thats theory used mounting system other feature liked about Con tenders construction what call spine piece -in balsa sheet running front back having shape planform fuselage pin plans first glue sides around formers Thus shape alignment fuselage assured made inside fuselage width exactly 3 spine formers use full 3 balsa width saving cutting wasted material can later build turtleback tank compartment hatch above give aircraft realistic shape.. some trepidation take first design flying field Tom says Will fly Will flying buddies chuckle under breath Im sure aircraft benefits greatly its Kadet wing positioned same incidence Kadet tail moments typical wing loading 185 oz/sq ft fine So give best pilot field watch What joy see ROG out grass behind old trusty OS 30 walt Continued page 24 22 Model Aviation * Special Detergents help prevent varnish promote clean burning * Rust Preventatives protect expensive engines corrosion SIG CHAMPION 2-STROKE FUEL FREE SHIPPING ON ORDERS OVER $1500COLLECT PINTQUARTGALLON55 GAL DRUM 0% Nitromethane$315$450$1050$19000 5% Nitromethane$365$525$1250 10% Nitromethane$415$550$1450$32500 15% Nitromethane$430$625$1650 25% Nitromethane$495$750$2095 35% Nitromethane$575$875$2495 SIGPREMIUM4-STROKE FUEL 10% Nitromethane$415$550$1395$29500 15% Nitromethane$425$625$1595 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending fuel finest quality ingredients available alcohol 995% pure very best grade available nitromethane use 100% pure get honest portion based % volume masimum lubrication get perfect 50/50 blend Bakers AA Castor Oil Kiotz Techniplate Racing Oil protect expensive engines finest quality fuel can made price Dont take word try some ludge yourself See dealer first available order direct Call ____ 800-247-5008 toll free orders Latest Catalog $3 SIG MANUFACTURING CO Montezuma IA 50171 PrrCOS suSiect change withojat note show signs structural problems maneu vers become energeticdives loops spins etc After test pilot puts through rigorous set flight conditions hands trans mitter first thing notice similar flies Kadet did feel flight control surfaces bit too sensitive have subsequently changed neutral rudder elevator used able roil Kadet big barrel roll Big Tee just didnt seem want come around Its spins better however will well inverted maybe Im just prejudiced looks better especially air has look homebuilt experimental aircraft 8-oz tank gives up 20 min flight time Kadets 6-oz tank gave 10 12 mm often wanted first tail-dragger RC first successful takeoff really third try since using grass takeoffs since aircraft overpowered didnt feel frustrated problems Because going mandatory mufflers flying field am going replace theoldOS 30withanewOSMax3SFPwith muffler should give plenty power really affect weight since can remove some nose weight install model plain very functional Easy economical build fun fly took about three-fourths time build Kadet Contender did Although started wing aiready built did include design drafting time would have easily enough build wing leftovers Kadet other surplus ma terials cost little over $40 out pocket has given lot joy know folks concoct new planes using old wings bored some old model sketch something different Youve heard about flsbheads fish tails Leftovers washouts Often wing survives What great way combine imagination saving time money Presto have very own one-of-a-kind conversation piece Hey looks nice flies great What kit rafters filled nice old wings potential future get back air epi sodes ugly duckling What see look airplane Tom Chipleys Mud Duck looks like contender worlds ugliest airplane Its between-the-lines statement whimsical functional talks Its really clever Tom Chipley suspect ebullient optimist wry slayer pretentious dragons know trying read letters easy says Tom sticking pin balloon Compounding problem delightful stream consciousness Au Aw gee fact have forgotten what said letter assume what say must have said something about sending photos Well two letters second bearing postscript approximately 700 words long Elec tric guys will love another issue now back Mud Duck OK asked Chipley prods Pho tos stuff make fly out Great Dark Away pressures peers Au theme song slip something com fortable just lay back Au Chip talking airplanes parts pieces airplanethe kind enjoy fuselage built Electric turned out too heavy nose plane present firewall portions Continued page 26 24 Model Aviation U U ALL PURPOSE FOAM CU1TER Hands Off Cut II Especially Designed Tapered Wings HANDS OFF CUT II unique device cutting high quality foam wing cores hands off also cuts both sides same time Most modelers will amazed high quality smooth surface will achieve using device plus added advantage having wait until friends can come around help However just foam wing cutter HANDS OFF also capable cutting precision foam components such fuselage sections cowls tail surfaces HANDS OFF available hardware package assemble own board HANDS OFF CUT II requires 24 volt variable output power supply Easy assemble s approximately 15 minutes Dealers WantedHands Off Cut II Hardware Pkg$8750 plus $3 ship ft hand 24 Volt Variable Output Power 0 pius $3 ship ft hand ///~ NORRAY PRODUCTS INC 5 008 Sandbeach Road Wichita Falls TX 76310 Tel 81116924475 POSI -CURETM CYANOACRYLATE SPECIAL INTRODUCTORY OFFER ListSaleSavings 1 oz Fast Cure 3-5 Sec495$24500/0 Off 2 oz Fast Cure 3-5 Sec895$396560/0 Off 1 oz Gap-Filling 5 Sec$250% Off 2 oz Gap-Filling 5 Sec895$39656% Off OUR GUARANTEE TO YOU satisfied POSI-CURE please return unused portion within 30 days full refundNo questions asked SHELDONS HOBBY SHOP 3157 Alum Rock Ave Jose CA 95127 FOR ORDERS ONLY PLEASE 800 2283237e408 251-0789 Out State INFO 408 251-0787 California 0 SHIPPING per order Hours Mon-Wed Fri & Sat 930530 FAST SERVICE Thur 930-900 1200-500 COD ADD $1 90 48 span 5 2-4cycle 3ChannE Easily converted electric celient sor tne negmn nor can set up challenge expert hand cut kit*3996 Super50Span1S-25 Pronto2-4 cycle annel Same excellent qualities Pronto aerobetic ailerons*4995 Square48 span sq Shooter 25.4524cycle4chnl Can customized suit taste pure hot rod rear exhaust tuned pipe ass docile very aerobatic Sunday Flyer 25 40 Easy build hand cut kit 5996 Available dealer order direct Add *200 shipping additional *200 COD save COD sand check money order VA Ras add 4% sales tax TIDEWATER HOBBY ENTERPRISES Route 1 Box 241 D Lanexa Virginia 23089 804-966-5092 what would prefer things turned out Hayes engine mount fit plywood nose exactly wing Swizzle Stick 40 did fly wanted comedic designer explains stab stressed skin Vi2 sheet over few Vie ribs structure built canard design stillborn landing gear directly brown paper bag holds remains Robin Hood fell victim literally faulty radio signal wheels have flown almost planes since 1981 talisman simply decora tion love way look engine little jewel aluminum steel bronze chrome plate miniature valves pushrods flaunting function air Saito 30 chosen choice mostly aesthetic Internal combus tion engines have fascinated long care remember charm power speed rather something harder communicate someone has never spread engine out floor bench gone through part find hiding fault rejoiced perfection casting forging ma chining visible explorer inner realm Au Dont fourstroker youll sorry seethe beauty Model T Ford Citroen 2CV Ferrari 12 cylinder Jaguar 6 see something beyond name power something unites other machines man Saito 30 its exposed valve assembly leading side cylin der irresistible plane bears engine should same spirit reflection function overstatement power speed Fine qualities salute function Function fuselage flight surfaces serve doing little regard aesthetics define complement engine engine leads way arrogant its func tion flies see what have wanted see RC planes since first began building flying few years back see relaxed comfortable combination airframe power plant does have compare itself other easy fly yet responsive Takeoffs very stable mild crosswind Landings slow floating plane enjoy just fun Well Isee got tad wordy having read material few years feel am good company yet still running catch up specifics plane span 60 chord 10 horizontal stab 25 x 5 stab area 125 sq prop 10-6 fuselage length spinner end elevator 46 weight 62 oz 387 lb wing loading 96 lb/ft2 1536 oz/ft2 wing area 402 sq ft Hes serious statement Functional Flat windshield wood painted windows flat fuselage top modest incidence built stability flat-bottom wing flat angied nose top bottom open-air engine mounting flat fuselage bottom handy strap-on doublestrut gear sweepback vertical tail save perdition angled rudder hinge line helps keep wing tip up rudder turns low ample rudder area plenty rudder power throw-around three-channel aerobatics minimum rotational force around roll axis improved spiral stability turns sectioned stab always better flat stab tail perhaps downwash reasons maybe whimsical jet-age stuff anyway straight up slab would too ugiy prankish Chipley Continued page 136 26 Model Aviation L Dave Robelens Playmate Featured Aprii 86 Model Aviation 3 Channel port-Fun Fly 25 cycle Fast assembly hand cut kit*4996 Pronto EASY TO NDCRAFTED KITS AT LOW PRICES VVII l F.A.JI OL III60 Length 53 inEngine 60Leng its include Pre-built fiberglass fuselage foam cores shaped strip ailerons complete hardware pack SEND CHECK OR MONEY ORDER TO,. VISA & MASTER CARD ACCEPTED ZON MODELS INC T-404 Kelly Ave Manchester NH 03103 603 627-9503 Safety/Preston Continued page 133 respondent opposed man dating pilot location club field nevertheless very concerned about radios interfering another enclosed let ter club sent AMA President John C Grigg expressed clubs con cern about ability radio manufacturers manufacture equipment will operate successfully frequency spacing tween channels reduced not-toodistant future Perhaps mandatory pilot-saving may way operate after 1991 Question No 6 Ten readers submitted other suggestions concerning safety RC flying fields Briefly summarized follow Get rid hotdoggers always edge wrong side flying safely Reduce interference having good clean primary-channel output Tx Good product review boards Everything magazines comes Out good have problems field Radio manufacturers should provide connec tors accommodate ESVs battery checks Increased punishment following already-set rules Get needle valve away spinning FAIRCHILDS MAGNIFICENT TANK KILLING A-b THUNDERBOLT H WARTHOG IN RELIABLE PROP VERSION SB WING SPAN FOR 60 ENGINE Plan No 104 $1400 postage paid wilkin USA N J resideols odd 6% soles tax RFM Design Research PO BOX 2393 VINCENTOWN NJ 08088 prop club have safety officers Experienced RCers pass knowledge newcomers Enforce rule keep spectators Out pits Ground models visual damage poor improper workmanship Maybe some video tapes scare guys couldnt care less about safety Have first aid kit possible telephone field emergencies Classify trainer models Primary Basic Advanced time read column will see May Safety column has addressed subject trainer models really arent trainers situation above respondents covered some length let ter havent already responded re quest May column thoughts classifying trainers Basic Advanced categories Im still interested hearing want thank responded reader questionnaire intend pass results AMA Safety Committee sug gest review Dave Abbes suggestions exception Question No 3 fail-safe throttle part Question No 5 ma jority readers appears agree Dave Have safe month Jo/in Preston 12235 Ti/den wood Dr Rock v/lie MD 20852 Plane Talk/Winter Continued page 26 curved fuselage lines beautify ugliness after cant see meticulously-done decorations mysterious panels lettering like military planes sort thing think Cut extract pilot am sure maybe neat rectangles inked portray locations airborne equipment Love mean-nothing arrows especially merely points jewel-like Saito inspired Chipley craft wonder Ye gods knows what doing flies great everyone can make statement note flight shot landing shows flies step Telemaster bonanza informational value itemjustifies break traditional format column data would make fine article magazine George Hen derson charter member Fallbrook RC Flyers California says has neither time talent lities produce article acceptable magazine wishes make system available other fliers Heres letter verbatim enjoyed very much too wish share Obviously impossible within column include detailed instructions provide full-size drawings authors feeling modelers level will able deduce combination photos drawings system works will able duplicate customize necessary parts Hender sons material normally would comprise fourpage article case would want contact him please write George Henderson 3662 Northcliff Dr Fallbrook CA 92028 Ive got 40-size Telemaster has real delight George tells us Au bralns Id make Telemaster hackers cannot better Ive currently made over 350 glider launcheseverything 2 x 4s Gentle Ladies Oly 650s Oly us overweight Para gon Mark Smiths Sensor 117 numerous unknown designs close full set parts friend can make installation Telemaster similar plane try design improve see fit 136 Model Aviation 4 EngIne 4U sheeted balsa machine cut balsa tail surfaces FREE FLIGHT SUPPLIES FAI Rubber Japanese Tissue Rubber Lube Nitrate Dope Front End Bearings Assemblies Crocket Hooks DT Fuse KSB Timers Cox Engines & Parts Kits Blue Ridge Peck Midway Micro-x others ox 5996 -Lake Worth FL 33461 CATALOG $100 others can enjoy fellow club members added installation Bridi 40-powered Loadmaster does beautiful job launching everything up through Oly us club now loaded two glider launchers went through three different versions before arriving present system first thing youll note triple tail first Tele master strictly stock tail sections larger gliders interfered fin rudder T cut center fin rudder added two outboard fins rudders now can launch just about anything Telemaster will handle Two-Meter jobs original center fin Flight characteristics seem bit improved triple tailjust fun flying no glider Originally powered K&B 40 did satisfactory job George goes larger gliders have considerably weight drag took couple circles get altitude now use 05 50 can handle anything quite easily other thing may notice photos dual truck-like tires glidertowing requirement flying field has about 2 fine silt top plane glider used mire down during taxi takeoff Although dual wheels add weight solve ground problems Incidentally just take off four wire parts plane goes back normal photos taken various club members have no camera George thank country full special airplanes imaglnation plethora things wonderful projects ingenious ideas Too us labor under superficial delusion RC forever 50-in plane 40 englne look ads reassures us however us time evolve manner things kinds airplanes Variety spice life Life hobby terms becomes dreary avocation Folks like George keep evergreen dont have build eight-engined Spruce Goose hang onwhat encore early 60s Phil Kraft designed Ugly Stik published Grid Leaks thought Phil daftand frankly Stik stank ice Now 35 years later like would build remarkable-performing allaround ship kitted infinite variations probably built greater numbers other RC earth Variety just around corner anyone things like yours George remind us man must create fulfilled Modeling like George Thank Bill Winter 4432 Altura Ct Fairfax VA 22030 Can talltagain am now receiving some unusually difficult questions obvious impor tance ask letters outside normal field expertise writers state seem know answers dont knowledge Electrics RC Scale etc badly limited compared experience specialist columnists like Kopski Wischer will far better served such matters always addressing special columnist choice other magazines maga zine addresses ends col umns will take questions relating own planes projects refer deep stuff Normal mall always welcome essential continued prosperity fun column Henry T/Thomas Continued page 34 overflow tube beneath engine Drill another hole oil drain through cowl bottom rear Cut open top cowl provide access engine Finish shaping cowl fit flush against spinner leave clearance spring starter Block-sand cowl blend smoothly firewall used buty rate dope fuel-proof firewall cowl interior After much flying oil penetrated areas advise epoxy coating better durability Covering Take time thoroughly finesand entire model inspect uneven seams dents blemishes Go over Elmers spaclding paste dries quickly will easily cover areas Fine-sand filled places go over entire structure tac cloth remove dust grit particles recommend MonoKote its strength Cover fuselage sides first tacking MonoKote edges little reduced heat iron smooth down Let covering lap around edges about 1/~ Next cover top bottom trimming covering flush edges Cover stabilizer except joins fuselage fin Cover bottom surfaces first trimming edges flush top covering can lap around edges bit Epoxy stabilizer fuselage sight ing across fuselage top make sure alignment Add small strips pieces MonoKote cover assembly joints Cover fin ruddr similarly Since elevators tapered thinly soft material take care covering Cover bottom surfaces first trimming edges flush elevator may curl bit bottom covered will tend straighten top covering goes Lap edges under slightly point elevator horn mounted extending bolts cut ground off flush Join elevator stabilizer MonoKote hinge applying first nar row strip lower surfaces V raising elevator adhering film top strip flush slight clearance should provided prevent binding horizontal tail must completely mounted before fin can firmly ce mented place centerline Add MonoKote strips lap fin sta bilizer joint Carefully mark three hinge locations fin rudder drill holes accommodate hinge points Also drill hole tail wheel wire extension enters rudder near bottom Glue hinge points place moving rudder often glue sets Mount rudder horn grind extending mount ing bolts off flush Cover lower wing urfaces first Contiiued page 140 4Ye4//V R/C SPORT SHORT KITS THESE HIGH PERFORMANCE KNOCK AROUND FLYING MACHINES ARE EASY TO BUILD AND FUN TO FLY THEY ARE DESIGNED WITH PLENTY OF WING AND TAIL AREA FOR POSITIVE HIGH AND LOW SPEED CONTROL WE USE STRAIGHT FORWARD QUICK AND STURDY CONSTRUCTION THAT MAKES SENSE SHORT KITS INCLUDE PRECISION CUT FOAM WING CORES ABS HIGH INPACT FORMED COWLING CLEAR FORMED CANOPY WITH FRAMEWORK DETAIL STRONG FORMED STEEL ENGINE MOUNT EASY TO FOLLOW PLANS WITH CONSTRUCTION DETAILS AND ALL NECESSARY TEMPLATES PRE-CUT PLYWOOD FIREWALL LANDING GEAR BLOCKS STRAPS & SCREWS BILL OF MATERIALS NO BALSA INCLUDED PRICE PER KIT $2695TWO FOR $5000 WORLD WAR II FIGHTER SERIES JAPANESE A6M2 ZERO SPAN 544-CHANNEL 29 TO 45 ENGINE 4 LBS AMERICAN P-40 TOMAHAWK 29 TO 45 ENGINE SPAN 554-CHANNEL4 LBS GERMAN FW-19029 45 ENGINE SPAN 544-CHANNEL4 LBS ITALIAN c202 FOLGORE29 TO 45 ENGINE SPAN 544-CHANNEL4 LBS ORDERING SEND CHECK OR MONEY ORDER FOR REGUIRED AMOUNT PLUS $450 POSTAGE PER KIT CANADIANS ADD $650 TO WING MFG PO BOX 33 CRYSTAL LAKE IL 60014 ILLINOIS RESIDENTS ADD 6% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND $350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM CORE REPLACEMENT WINGS ACCESSORIES KITS TOOLS AND MUCH MORE PHONE 815 459-0417 FOR FAST COD SERVICE BYMF6 QUALITY PRODUCTS SINCE 1964 June1986 137
Edition: Model Aviation - 1986/06
Page Numbers: 18, 19, 20, 21, 22, 24, 26, 136, 137
Bill Winter 0 K Plane TalL AS JACKIE GLEASON used say sweet flying African-drought stage nice things rain like manna Heaven Ive Purple Planned way through exciting Electric model motor cabin bulk head prop speed reduction long extension shaft big folding prop sin gnawing way through incredible Kadet Senior latter novel approach trainer like big airplanes can fly like Free Flight offer fun blokes like well gluing together Old-Timer-like sticks fun thing dont need trainer Im trying strange spoiler combination out usual tch allows use individually no ailerons Se nior doing can have proportional openings wish can CAR cross control rudder mode Please dont ask. Lord knows what may ginesthe Baby Cyclone price tag $1500 still bit much thanks Irv Polk got wholesale $900 Old Square Sides flew off board always have colossal luck admit being Rubber Scale flier school hard knocks long stralght takeoff wide shallow climbing turn left Several years later published Air Trails could say no boss discretion being better part valor used middle name John Sprague airplane forgotten nearly haIfa century Enter Bill Northrop ModelBuilder Some guy Alaska keep eye him submitted Northrop picture version floats caption saying John Spragues ship would future construction project As prank rushed three-view Model Aviation under own name both items appeared simul taneously Northrop wondered organiza tion leaking Fun Model Builder has published revised Rookie prior tongue cheek Northrop asked check should made out John Sprague Now have picture Alaskan friends full-size Old Square Sides Dave Unruh uses OSS means Old Square Sides out-ofsight . Several years ago says Dave Unruh bought magazine called Classic Flying Models Au never heard Anyone have copy dont need great-looking OldTimer called Old Square Sides scaled magazine plans half-size replica built flew two years 020 049on floats off snow onto water wouldnt ROW due poor float design wheels twochannel RC finally Free Flight free up radio new plane Eventually Left 100 sq miles clear calm wilderness air myself says Dave Unruh describing memorable flight see text Antique-class Old Square Sides near Kenla Alaska has K&B 19 1 0-year-oid Expert radio six-footer says wont stall glide spin otherthan sailing aiong majesticaliy manages clawing loop forasrobatics nephewJohn Koll plc flies too Winterspun out ship hisfirst guess 1938 whata gassie BabyCyclone should iook ilke Unruh got plansfrom MB resurrected ancient model designed byJohn Sprague AKA Bill Winter Right BeforetheMB plans Unruh found oidAir Trails clips build 1/2-size version floats took off snow landed water poor float design prevented ROW Just two channels After two years forgot run tank down before launching Alaska big Winterwonders someday will found Wooily Mammoth revealed Ace RC has resident mixing board mad man loves like assume no-sense challenges mail remarkable its content Folks chat about truly amazing things themselves flyingand mixed bag adventures day bull session means talk other Nature may abhor vacuum Mother Nature must lost shopping malls shall turn loose remarkable people David Unruh Kenai Alaska involves very first gas model letter says lot about flying Old-Timers builders follow own lights typewriter mutters cryptic As twig bent grew tree rambleagain 1936 designed Old Square Sides knowing zilch about gassies already modeling 10 years Hardly anyone money Brown Jr $2150 engines $2150 common herd equivalent modern nine-cylinder four-stroke radial dream happened Col Moseley air school machine shop students assigned practical matter making en18 Model Aviation wna gooa ietover wingst Jiii ioerson noias asas omj scaica-up u-ice lOOK-aliKe called Big Tee50% bigger Rolls reluctantiy flies inverted Took 75% much timeto build asa new planeand costhim oniy$40 Tom says looks iikea home-built enjoys flying way 0S 30to changed OS Max 35 FP mainly cause club now requires mufflers looks like 0-Tee thinks stili Kadet Behold Mud Duck Winter professes find good airplane within ugly duckling disguise Tom Chipley its creator repressed cartoonist tongue-in-cheek cynic sticks pins balloons says Winter should recognize blood brother let mischief run riot designing yet another freedom fighter around leftover wing time Swizzle Stick 40 curious coyote can fatal warn mystery unravelled sort text flight shot youll notice man says good ship gets step Mud Duck grooves nicely landing Believe whole thing concocted emphasize beauties gem-like Saito Winter doubts kit maker would fail love it flies betterthan some kits Hed urge buy plans warm September afternoon forgot run tank down before launching flew away long life dope-and-tissue airplane After its demise found out design Great ordered pians ModelBuilder bui full-size year changed internal structure bit take advantage materials hand externally obvious change little less dihedral kept airfoiled stab pedestal empennage part character plane would lot easier make flat-plate stab mount directly upper stringers fuselage la Q-Tee lowering thrust line 19 mounted upright completely within Out lines cowling Power just right 103 prop all-up weight under 5 lb Radio 10-year-old World Expert five-channel REM have half rudder half elevator works wish put some down right thrust changes trim power setting balsa block cowling fits close would difficult adjust thrust angle now wont stall power off wont spin roll under circumstances loop after long dive always brings large groan bystanders claws its way over top makes What does fly about hundred flights far half other people flying also fly Great Planes CAP 21 ST 75 Its different kind fun vertical takeoffs snap rolls sort thing plane ahead ofme often CAP stimulant OSS sedative would like describe best day flying ever Old Square Sides Dave continues wife camped shore Kenal Lake along narrow glacialfed lake waters nearly-opaque jade color surrounded mountains camp ground features gravel bar protruding lake about 100 ft extending along shore about same distance After studying gravel bar thought could get away few flights afrald springy gear would cause nick prop coarse gravel ROGed hand-launched hundred square miles clear calm wilderness air myself 1500 ft white-and-orange model like tiny jewel against blue sky engine failed would have forced make tricky dead-stick spot landing choose between cold water Kenal Lake thick spruce forest back K&B 19 its peak however chugged along quarter-throttle 10 minutes came time land throttled way back few minutes OSS down 50 feet Down wind leg entered altitude about 200 ft out over lake brightly-colored ship framed beautifully lush green moun tainside flew About 200 yards past gravel bar made wide 180 onto final using turn burn off what altitude left As OSS settled down over water gentle bank could pick up reflection calm surface images inches apart wheel wheel eased throttle forward holding just apart point talk myself keep becoming hypnotized vision two airplanes tight formation inverted bottomless sky Just over edge bar pulled throttle way over OSS bounced stop far edge did four timeswhat gas Unruh sounds like modeling bush pilot others huge state once called Sewards Folly modeling missionary 1984 took unique project local grade school has program gifted/talented kids called QUEST class period day spent especially challenging fun projects Dave teacher hes fire department shift officer volunteered Twice week teacher eight students build Sig Cabinaire Sig Tiger Neither teacher nor students built models before kids fifth-graders models built entirely class flew Unrubs current projects include Flyline Models Great Lakes Trainer simulated five-cylinder radial using OS 40 four-stroke four dummy cylinders refinishing CAP 21 skis building three-channel Arctic Tern latter h-scale version oncefamous Interstate Cadet now manufactured Alaska Tern rate three year Modified tips anew cowling aroundthe 150hp Lycoming double power wartime trainer looks like model model distinctive fm rudder shape give away its Interstate origins Its said superb bush plane Like writer Dave loves out-of-production K&B-Veco ud think didnt have other engines Several club members also building Terns plans regret cant squeeze pictures thingsespecially kids stretch-winding rubber jobsand mass launching Welcome please Tom Elberson De fiance OH saga Big Tee Tom off-and-on modeler 35 46 years acquired aero mechanical engineering de Ever since SAM approved Winters Old Square Sides Antique WOG Vaga bond Old-Timers old boy says hes beengettingaraftofVagpics EdLambsent Ohisson 60-powered FF builtfrom orig inal kit Eagle plans Lamb says hes really enjoying Photo annual Misery Meet Ft Lewis WA co-sponsored Strat-O-Bats Boeing Hawks regular AMA events SAM B Old-Timers grees wife four children busy career during intermission 16 built first RC Lou Andrews Beam after beginning Control Line Free Flight About 10 years ago returned thousands normal life via Sig three-channel Kadet 1 finally made joyful decision roll own nifty Q-Tee cousin Everybody can designer days Toms years experience lying fallow wonder took him long procrastinating Incidentally has diskette Multimate software IBM PC letter includes article building flying full-size plan Im blown away guys word processors write beautiful treatises instead letters like neohunt andpeck rockheads like Some elegant quotes Last fall after outside chores done Elberson begins looking modeling project vety inexpensive two oldest kids now college dusty old Kadet wing left after crash useless hull Q-Tee strained through tree given friend before moved town gave idea design fuselage parasol-type airplane similar Q-Tee bigger could use Kadet wing hardware including engine June1986 19 radio wheels etc Kadet still good would come handy keep costs down made few measurements Q-Tee possible before throwing garbage decided scale up about 50% based its Kadets wingapans About 30 hours designing drafting later full-size plans Big Tee name seemed appro priate completed following gives construction procedure also some I1/8 1 I thinking behind structural design Au Toms instructions uniquely read able spiced thought logic say must keep moving along However cant resist giving excerpt followed comments flying bird Its good stuff design Big Tee fuselage influenced crash experience Kadet design Contender Tom relates impact force during crash determined time therefore distance over impact occurs greater crush distance less force Au Col lapse structure important full-size aircraft Globe Swift being notable example Kadet has aluminum engine mounts attached less toward center firewall momentum aircraft aft firewall taken up transferring loads through sides top bottom fuselage 20 Model Aviation Left Separation Piggybacked George Hendersons Teiemaster40 Gently Ladyfloats free soar pica drawings two pages relate Hendersons system Hes replaced K&B 40 OS 50 get launching altitude quickly big heavy Sailpianes Hes over 350 launches fall 1985 fellow club member has duplicated setup Bridi 40 Loadmaster now club can take up lots gliders mother ships Right Telemaster dwarfed big Paragon Gliders up Two-Meter size can launched stock single-tailed Telemaster triple-tailed version handles big Jobs better flies bet ter itself Note double-truck wheels required because soft silt surface interfered composite takeoffs Left Parts consist just two supports gilder wings fore aft supportaforthe fuselage andthe center release mechanism Parts detach easily fiying Teiemaster its own Wide spacing four supports prevents airborne rocking gilderotherwise certain aileron use Above Launching apparatus place ready take gilder Note inverted U guard/guide atop middle fin Author invento Geurge Henoerson Hat patch says Society Aircraft Demolish important thing picture simple pushrod arrangement operate three ersSAD MemberSmaiiiettersatthebot- rudders precisely Theres ailerontype bail link center rudder cievis rods tom Latin Aircraftus Frnamentus ball link attachments outboard rudders Sturdy aear truck-ilke wheeis show ciearlv TAPE OF FU I/a June1986 21 WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BALSA SNEL1I N 4r 30 1/16233 3/322 40 1/8243 3/16249 114 n2 56 1/32337 1/20337 1/16337 4931 3/32344 5937 1/8 ,3547145 3/16363 9255 1/4 3739561 5/16385 3/8 38812471 1/2 3115155 3/4 3185 1/164597649 3/324 75 9456 1/8 4 8010666 3/164 9312275 1/4 411513686 3/8 4165225 1/2 4225261 MATCIED SMUTS 42 3/324100 1/84106 3/164120 1/44131 BALSA STICKS 3640 1/16 1/409 1/16 3/810 1/16 1/214 3/32 1/410 3/32 3/812 3/32 1/216 1/5 1/806 1/8 1/411 1/8 3/612 1/8 1/216 3/153/1611 3/16 3/817 3/16 1/222 1/4 1/416 1/4 3/519 1/4 1/221 1/4 3/434 1/4 140 5/165/1621 3/8 3/827 3/8 1/232 3/8 3/442 3/8 152 1/2 1/234 1/2 3/446 1/2 159 5/8 5/948 3/4 3/467 BALSA HOT LINE Cd 506 745-6394 10mm- 6pm Ceutral rime LONE STAR MODELS 123 57th St LubhDEk TX 79412 v113 BALSA TRIANGLES N 4425 3/83630 2 235 34 3445 55 6 S BALSA PLANKSN 2465 6 250 3200 304266 2411/23275 2811/24300 3022225 4423325 24435 2933495 3734698 46 55 TAPERED SHEETSN 1/4265TRMLNEI EDGEN 531/43851/4132 623/52655/1611/439 3/53963/91 1/246 1/231251/2270 LONE STAR EPOXY 9,Lil645 51,598 15mm596 30,598 MS rANT CL VE 1 e Thck298 Thi299 2cm Thick550 2, Thin550 CUSTOM CUT CONTEST BALSA Sheets Piece ed Close Tolerances AAA Grade Dried ped 100% a serious modeler want performance must try 4-6 lb balsa LIGHT 4-6 LB WOOD36 1/32349 1/20349 1/16349 3/32355 1/8367 3/16375 1/4355 3/83115 1/23139 3/43220 13300 1/16478 3/32491 1/84100 3/164117 1/44139 3/84207 1/24293 BASSWOOD48 3/163/1625 3/161/430 3/163/639 3/161/246 3/163/400 1/41/442 1/43/949 1/43/465 3/83/800 3/81/270 3/83/490 1/21/200 1/23/4100 BUNDLE DEALS 20-1/5330685 201/164301025 20-3/32330840 153/32436955 151/5330715 101/8430675 153/16336500 103/16430610 101/4330630 101/4430890 10-3/8339800 53/8430625 51/2330540 51/2430855 103/32446845 51/8446465 53/16446565 51/4446625 P8HZ STICKS 36 48 1/81/81317 1/814/633 1/83/82027 3/163/161724 3163/82332 3/161/23040 1/41/42537 1/43/83042 141/23447 3/9 3/8 37 52 SPRUCE STICKS N 48 1/8 1/815 1/8 141824 1/53/82529 3/16 3/162534 1/4 1/43145 1/4 3/83050 3/8 3/54563 3/8 1/25570 1/2 1/28066 13 3/45998 SPRUCE TRIANGLES N 3/53/845 1/21/261 3/4 3/477 HARD MAPLE 1/4 3/5 3/83/5 3/81/2 3/53/4 123/4 ERICH DOWELS 1/5 3/16 1/4 5/16 3/8 IS 40 45 50 59 55 N 09 11 14 25 32 3P9YB*RCH 48 1/6412525 1/3212425 1/1612435 1/512400 SPLYBIRCN48 3/3212070 1/812585 3/1612565 1/412600 GROOVED LA MOUNTS 12 Imches LITE PLY 483/83/4/1/8/ 1/561503/83/4/5/32/ 1/8133001/23/4/3/16/ 46 46 45 Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO accpl Visa Masts Card personal checks COD 4-1/8% Ia icr Teas US crrency Mini,, Order 01000 S-em firewall mounts engine likely event engine/prop strikes ground first Since aluminum mounts wont give much crash engine doesnt usually give much crush distance ahead firewall short impact loads high directly transferred tend buckle firewall just what happened case once firewall collapsed rest aircraft easily failed no way make model crashproof course Contenders engine-mounting system seems better standpoint uses maple wood mounts glued along sides fuselage clear back second former soft n balsa block glued front mounts cowl soft balsa well So after engine buries prop shaft balsa starts crush during crash aft loads taken directly through mounts least thats theory used mounting system other feature liked about Con tenders construction what call spine piece -in balsa sheet running front back having shape planform fuselage pin plans first glue sides around formers Thus shape alignment fuselage assured made inside fuselage width exactly 3 spine formers use full 3 balsa width saving cutting wasted material can later build turtleback tank compartment hatch above give aircraft realistic shape.. some trepidation take first design flying field Tom says Will fly Will flying buddies chuckle under breath Im sure aircraft benefits greatly its Kadet wing positioned same incidence Kadet tail moments typical wing loading 185 oz/sq ft fine So give best pilot field watch What joy see ROG out grass behind old trusty OS 30 walt Continued page 24 22 Model Aviation * Special Detergents help prevent varnish promote clean burning * Rust Preventatives protect expensive engines corrosion SIG CHAMPION 2-STROKE FUEL FREE SHIPPING ON ORDERS OVER $1500COLLECT PINTQUARTGALLON55 GAL DRUM 0% Nitromethane$315$450$1050$19000 5% Nitromethane$365$525$1250 10% Nitromethane$415$550$1450$32500 15% Nitromethane$430$625$1650 25% Nitromethane$495$750$2095 35% Nitromethane$575$875$2495 SIGPREMIUM4-STROKE FUEL 10% Nitromethane$415$550$1395$29500 15% Nitromethane$425$625$1595 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending fuel finest quality ingredients available alcohol 995% pure very best grade available nitromethane use 100% pure get honest portion based % volume masimum lubrication get perfect 50/50 blend Bakers AA Castor Oil Kiotz Techniplate Racing Oil protect expensive engines finest quality fuel can made price Dont take word try some ludge yourself See dealer first available order direct Call ____ 800-247-5008 toll free orders Latest Catalog $3 SIG MANUFACTURING CO Montezuma IA 50171 PrrCOS suSiect change withojat note show signs structural problems maneu vers become energeticdives loops spins etc After test pilot puts through rigorous set flight conditions hands trans mitter first thing notice similar flies Kadet did feel flight control surfaces bit too sensitive have subsequently changed neutral rudder elevator used able roil Kadet big barrel roll Big Tee just didnt seem want come around Its spins better however will well inverted maybe Im just prejudiced looks better especially air has look homebuilt experimental aircraft 8-oz tank gives up 20 min flight time Kadets 6-oz tank gave 10 12 mm often wanted first tail-dragger RC first successful takeoff really third try since using grass takeoffs since aircraft overpowered didnt feel frustrated problems Because going mandatory mufflers flying field am going replace theoldOS 30withanewOSMax3SFPwith muffler should give plenty power really affect weight since can remove some nose weight install model plain very functional Easy economical build fun fly took about three-fourths time build Kadet Contender did Although started wing aiready built did include design drafting time would have easily enough build wing leftovers Kadet other surplus ma terials cost little over $40 out pocket has given lot joy know folks concoct new planes using old wings bored some old model sketch something different Youve heard about flsbheads fish tails Leftovers washouts Often wing survives What great way combine imagination saving time money Presto have very own one-of-a-kind conversation piece Hey looks nice flies great What kit rafters filled nice old wings potential future get back air epi sodes ugly duckling What see look airplane Tom Chipleys Mud Duck looks like contender worlds ugliest airplane Its between-the-lines statement whimsical functional talks Its really clever Tom Chipley suspect ebullient optimist wry slayer pretentious dragons know trying read letters easy says Tom sticking pin balloon Compounding problem delightful stream consciousness Au Aw gee fact have forgotten what said letter assume what say must have said something about sending photos Well two letters second bearing postscript approximately 700 words long Elec tric guys will love another issue now back Mud Duck OK asked Chipley prods Pho tos stuff make fly out Great Dark Away pressures peers Au theme song slip something com fortable just lay back Au Chip talking airplanes parts pieces airplanethe kind enjoy fuselage built Electric turned out too heavy nose plane present firewall portions Continued page 26 24 Model Aviation U U ALL PURPOSE FOAM CU1TER Hands Off Cut II Especially Designed Tapered Wings HANDS OFF CUT II unique device cutting high quality foam wing cores hands off also cuts both sides same time Most modelers will amazed high quality smooth surface will achieve using device plus added advantage having wait until friends can come around help However just foam wing cutter HANDS OFF also capable cutting precision foam components such fuselage sections cowls tail surfaces HANDS OFF available hardware package assemble own board HANDS OFF CUT II requires 24 volt variable output power supply Easy assemble s approximately 15 minutes Dealers WantedHands Off Cut II Hardware Pkg$8750 plus $3 ship ft hand 24 Volt Variable Output Power 0 pius $3 ship ft hand ///~ NORRAY PRODUCTS INC 5 008 Sandbeach Road Wichita Falls TX 76310 Tel 81116924475 POSI -CURETM CYANOACRYLATE SPECIAL INTRODUCTORY OFFER ListSaleSavings 1 oz Fast Cure 3-5 Sec495$24500/0 Off 2 oz Fast Cure 3-5 Sec895$396560/0 Off 1 oz Gap-Filling 5 Sec$250% Off 2 oz Gap-Filling 5 Sec895$39656% Off OUR GUARANTEE TO YOU satisfied POSI-CURE please return unused portion within 30 days full refundNo questions asked SHELDONS HOBBY SHOP 3157 Alum Rock Ave Jose CA 95127 FOR ORDERS ONLY PLEASE 800 2283237e408 251-0789 Out State INFO 408 251-0787 California 0 SHIPPING per order Hours Mon-Wed Fri & Sat 930530 FAST SERVICE Thur 930-900 1200-500 COD ADD $1 90 48 span 5 2-4cycle 3ChannE Easily converted electric celient sor tne negmn nor can set up challenge expert hand cut kit*3996 Super50Span1S-25 Pronto2-4 cycle annel Same excellent qualities Pronto aerobetic ailerons*4995 Square48 span sq Shooter 25.4524cycle4chnl Can customized suit taste pure hot rod rear exhaust tuned pipe ass docile very aerobatic Sunday Flyer 25 40 Easy build hand cut kit 5996 Available dealer order direct Add *200 shipping additional *200 COD save COD sand check money order VA Ras add 4% sales tax TIDEWATER HOBBY ENTERPRISES Route 1 Box 241 D Lanexa Virginia 23089 804-966-5092 what would prefer things turned out Hayes engine mount fit plywood nose exactly wing Swizzle Stick 40 did fly wanted comedic designer explains stab stressed skin Vi2 sheet over few Vie ribs structure built canard design stillborn landing gear directly brown paper bag holds remains Robin Hood fell victim literally faulty radio signal wheels have flown almost planes since 1981 talisman simply decora tion love way look engine little jewel aluminum steel bronze chrome plate miniature valves pushrods flaunting function air Saito 30 chosen choice mostly aesthetic Internal combus tion engines have fascinated long care remember charm power speed rather something harder communicate someone has never spread engine out floor bench gone through part find hiding fault rejoiced perfection casting forging ma chining visible explorer inner realm Au Dont fourstroker youll sorry seethe beauty Model T Ford Citroen 2CV Ferrari 12 cylinder Jaguar 6 see something beyond name power something unites other machines man Saito 30 its exposed valve assembly leading side cylin der irresistible plane bears engine should same spirit reflection function overstatement power speed Fine qualities salute function Function fuselage flight surfaces serve doing little regard aesthetics define complement engine engine leads way arrogant its func tion flies see what have wanted see RC planes since first began building flying few years back see relaxed comfortable combination airframe power plant does have compare itself other easy fly yet responsive Takeoffs very stable mild crosswind Landings slow floating plane enjoy just fun Well Isee got tad wordy having read material few years feel am good company yet still running catch up specifics plane span 60 chord 10 horizontal stab 25 x 5 stab area 125 sq prop 10-6 fuselage length spinner end elevator 46 weight 62 oz 387 lb wing loading 96 lb/ft2 1536 oz/ft2 wing area 402 sq ft Hes serious statement Functional Flat windshield wood painted windows flat fuselage top modest incidence built stability flat-bottom wing flat angied nose top bottom open-air engine mounting flat fuselage bottom handy strap-on doublestrut gear sweepback vertical tail save perdition angled rudder hinge line helps keep wing tip up rudder turns low ample rudder area plenty rudder power throw-around three-channel aerobatics minimum rotational force around roll axis improved spiral stability turns sectioned stab always better flat stab tail perhaps downwash reasons maybe whimsical jet-age stuff anyway straight up slab would too ugiy prankish Chipley Continued page 136 26 Model Aviation L Dave Robelens Playmate Featured Aprii 86 Model Aviation 3 Channel port-Fun Fly 25 cycle Fast assembly hand cut kit*4996 Pronto EASY TO NDCRAFTED KITS AT LOW PRICES VVII l F.A.JI OL III60 Length 53 inEngine 60Leng its include Pre-built fiberglass fuselage foam cores shaped strip ailerons complete hardware pack SEND CHECK OR MONEY ORDER TO,. VISA & MASTER CARD ACCEPTED ZON MODELS INC T-404 Kelly Ave Manchester NH 03103 603 627-9503 Safety/Preston Continued page 133 respondent opposed man dating pilot location club field nevertheless very concerned about radios interfering another enclosed let ter club sent AMA President John C Grigg expressed clubs con cern about ability radio manufacturers manufacture equipment will operate successfully frequency spacing tween channels reduced not-toodistant future Perhaps mandatory pilot-saving may way operate after 1991 Question No 6 Ten readers submitted other suggestions concerning safety RC flying fields Briefly summarized follow Get rid hotdoggers always edge wrong side flying safely Reduce interference having good clean primary-channel output Tx Good product review boards Everything magazines comes Out good have problems field Radio manufacturers should provide connec tors accommodate ESVs battery checks Increased punishment following already-set rules Get needle valve away spinning FAIRCHILDS MAGNIFICENT TANK KILLING A-b THUNDERBOLT H WARTHOG IN RELIABLE PROP VERSION SB WING SPAN FOR 60 ENGINE Plan No 104 $1400 postage paid wilkin USA N J resideols odd 6% soles tax RFM Design Research PO BOX 2393 VINCENTOWN NJ 08088 prop club have safety officers Experienced RCers pass knowledge newcomers Enforce rule keep spectators Out pits Ground models visual damage poor improper workmanship Maybe some video tapes scare guys couldnt care less about safety Have first aid kit possible telephone field emergencies Classify trainer models Primary Basic Advanced time read column will see May Safety column has addressed subject trainer models really arent trainers situation above respondents covered some length let ter havent already responded re quest May column thoughts classifying trainers Basic Advanced categories Im still interested hearing want thank responded reader questionnaire intend pass results AMA Safety Committee sug gest review Dave Abbes suggestions exception Question No 3 fail-safe throttle part Question No 5 ma jority readers appears agree Dave Have safe month Jo/in Preston 12235 Ti/den wood Dr Rock v/lie MD 20852 Plane Talk/Winter Continued page 26 curved fuselage lines beautify ugliness after cant see meticulously-done decorations mysterious panels lettering like military planes sort thing think Cut extract pilot am sure maybe neat rectangles inked portray locations airborne equipment Love mean-nothing arrows especially merely points jewel-like Saito inspired Chipley craft wonder Ye gods knows what doing flies great everyone can make statement note flight shot landing shows flies step Telemaster bonanza informational value itemjustifies break traditional format column data would make fine article magazine George Hen derson charter member Fallbrook RC Flyers California says has neither time talent lities produce article acceptable magazine wishes make system available other fliers Heres letter verbatim enjoyed very much too wish share Obviously impossible within column include detailed instructions provide full-size drawings authors feeling modelers level will able deduce combination photos drawings system works will able duplicate customize necessary parts Hender sons material normally would comprise fourpage article case would want contact him please write George Henderson 3662 Northcliff Dr Fallbrook CA 92028 Ive got 40-size Telemaster has real delight George tells us Au bralns Id make Telemaster hackers cannot better Ive currently made over 350 glider launcheseverything 2 x 4s Gentle Ladies Oly 650s Oly us overweight Para gon Mark Smiths Sensor 117 numerous unknown designs close full set parts friend can make installation Telemaster similar plane try design improve see fit 136 Model Aviation 4 EngIne 4U sheeted balsa machine cut balsa tail surfaces FREE FLIGHT SUPPLIES FAI Rubber Japanese Tissue Rubber Lube Nitrate Dope Front End Bearings Assemblies Crocket Hooks DT Fuse KSB Timers Cox Engines & Parts Kits Blue Ridge Peck Midway Micro-x others ox 5996 -Lake Worth FL 33461 CATALOG $100 others can enjoy fellow club members added installation Bridi 40-powered Loadmaster does beautiful job launching everything up through Oly us club now loaded two glider launchers went through three different versions before arriving present system first thing youll note triple tail first Tele master strictly stock tail sections larger gliders interfered fin rudder T cut center fin rudder added two outboard fins rudders now can launch just about anything Telemaster will handle Two-Meter jobs original center fin Flight characteristics seem bit improved triple tailjust fun flying no glider Originally powered K&B 40 did satisfactory job George goes larger gliders have considerably weight drag took couple circles get altitude now use 05 50 can handle anything quite easily other thing may notice photos dual truck-like tires glidertowing requirement flying field has about 2 fine silt top plane glider used mire down during taxi takeoff Although dual wheels add weight solve ground problems Incidentally just take off four wire parts plane goes back normal photos taken various club members have no camera George thank country full special airplanes imaglnation plethora things wonderful projects ingenious ideas Too us labor under superficial delusion RC forever 50-in plane 40 englne look ads reassures us however us time evolve manner things kinds airplanes Variety spice life Life hobby terms becomes dreary avocation Folks like George keep evergreen dont have build eight-engined Spruce Goose hang onwhat encore early 60s Phil Kraft designed Ugly Stik published Grid Leaks thought Phil daftand frankly Stik stank ice Now 35 years later like would build remarkable-performing allaround ship kitted infinite variations probably built greater numbers other RC earth Variety just around corner anyone things like yours George remind us man must create fulfilled Modeling like George Thank Bill Winter 4432 Altura Ct Fairfax VA 22030 Can talltagain am now receiving some unusually difficult questions obvious impor tance ask letters outside normal field expertise writers state seem know answers dont knowledge Electrics RC Scale etc badly limited compared experience specialist columnists like Kopski Wischer will far better served such matters always addressing special columnist choice other magazines maga zine addresses ends col umns will take questions relating own planes projects refer deep stuff Normal mall always welcome essential continued prosperity fun column Henry T/Thomas Continued page 34 overflow tube beneath engine Drill another hole oil drain through cowl bottom rear Cut open top cowl provide access engine Finish shaping cowl fit flush against spinner leave clearance spring starter Block-sand cowl blend smoothly firewall used buty rate dope fuel-proof firewall cowl interior After much flying oil penetrated areas advise epoxy coating better durability Covering Take time thoroughly finesand entire model inspect uneven seams dents blemishes Go over Elmers spaclding paste dries quickly will easily cover areas Fine-sand filled places go over entire structure tac cloth remove dust grit particles recommend MonoKote its strength Cover fuselage sides first tacking MonoKote edges little reduced heat iron smooth down Let covering lap around edges about 1/~ Next cover top bottom trimming covering flush edges Cover stabilizer except joins fuselage fin Cover bottom surfaces first trimming edges flush top covering can lap around edges bit Epoxy stabilizer fuselage sight ing across fuselage top make sure alignment Add small strips pieces MonoKote cover assembly joints Cover fin ruddr similarly Since elevators tapered thinly soft material take care covering Cover bottom surfaces first trimming edges flush elevator may curl bit bottom covered will tend straighten top covering goes Lap edges under slightly point elevator horn mounted extending bolts cut ground off flush Join elevator stabilizer MonoKote hinge applying first nar row strip lower surfaces V raising elevator adhering film top strip flush slight clearance should provided prevent binding horizontal tail must completely mounted before fin can firmly ce mented place centerline Add MonoKote strips lap fin sta bilizer joint Carefully mark three hinge locations fin rudder drill holes accommodate hinge points Also drill hole tail wheel wire extension enters rudder near bottom Glue hinge points place moving rudder often glue sets Mount rudder horn grind extending mount ing bolts off flush Cover lower wing urfaces first Contiiued page 140 4Ye4//V R/C SPORT SHORT KITS THESE HIGH PERFORMANCE KNOCK AROUND FLYING MACHINES ARE EASY TO BUILD AND FUN TO FLY THEY ARE DESIGNED WITH PLENTY OF WING AND TAIL AREA FOR POSITIVE HIGH AND LOW SPEED CONTROL WE USE STRAIGHT FORWARD QUICK AND STURDY CONSTRUCTION THAT MAKES SENSE SHORT KITS INCLUDE PRECISION CUT FOAM WING CORES ABS HIGH INPACT FORMED COWLING CLEAR FORMED CANOPY WITH FRAMEWORK DETAIL STRONG FORMED STEEL ENGINE MOUNT EASY TO FOLLOW PLANS WITH CONSTRUCTION DETAILS AND ALL NECESSARY TEMPLATES PRE-CUT PLYWOOD FIREWALL LANDING GEAR BLOCKS STRAPS & SCREWS BILL OF MATERIALS NO BALSA INCLUDED PRICE PER KIT $2695TWO FOR $5000 WORLD WAR II FIGHTER SERIES JAPANESE A6M2 ZERO SPAN 544-CHANNEL 29 TO 45 ENGINE 4 LBS AMERICAN P-40 TOMAHAWK 29 TO 45 ENGINE SPAN 554-CHANNEL4 LBS GERMAN FW-19029 45 ENGINE SPAN 544-CHANNEL4 LBS ITALIAN c202 FOLGORE29 TO 45 ENGINE SPAN 544-CHANNEL4 LBS ORDERING SEND CHECK OR MONEY ORDER FOR REGUIRED AMOUNT PLUS $450 POSTAGE PER KIT CANADIANS ADD $650 TO WING MFG PO BOX 33 CRYSTAL LAKE IL 60014 ILLINOIS RESIDENTS ADD 6% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND $350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM CORE REPLACEMENT WINGS ACCESSORIES KITS TOOLS AND MUCH MORE PHONE 815 459-0417 FOR FAST COD SERVICE BYMF6 QUALITY PRODUCTS SINCE 1964 June1986 137
Edition: Model Aviation - 1986/06
Page Numbers: 18, 19, 20, 21, 22, 24, 26, 136, 137
Bill Winter 0 K Plane TalL AS JACKIE GLEASON used say sweet flying African-drought stage nice things rain like manna Heaven Ive Purple Planned way through exciting Electric model motor cabin bulk head prop speed reduction long extension shaft big folding prop sin gnawing way through incredible Kadet Senior latter novel approach trainer like big airplanes can fly like Free Flight offer fun blokes like well gluing together Old-Timer-like sticks fun thing dont need trainer Im trying strange spoiler combination out usual tch allows use individually no ailerons Se nior doing can have proportional openings wish can CAR cross control rudder mode Please dont ask. Lord knows what may ginesthe Baby Cyclone price tag $1500 still bit much thanks Irv Polk got wholesale $900 Old Square Sides flew off board always have colossal luck admit being Rubber Scale flier school hard knocks long stralght takeoff wide shallow climbing turn left Several years later published Air Trails could say no boss discretion being better part valor used middle name John Sprague airplane forgotten nearly haIfa century Enter Bill Northrop ModelBuilder Some guy Alaska keep eye him submitted Northrop picture version floats caption saying John Spragues ship would future construction project As prank rushed three-view Model Aviation under own name both items appeared simul taneously Northrop wondered organiza tion leaking Fun Model Builder has published revised Rookie prior tongue cheek Northrop asked check should made out John Sprague Now have picture Alaskan friends full-size Old Square Sides Dave Unruh uses OSS means Old Square Sides out-ofsight . Several years ago says Dave Unruh bought magazine called Classic Flying Models Au never heard Anyone have copy dont need great-looking OldTimer called Old Square Sides scaled magazine plans half-size replica built flew two years 020 049on floats off snow onto water wouldnt ROW due poor float design wheels twochannel RC finally Free Flight free up radio new plane Eventually Left 100 sq miles clear calm wilderness air myself says Dave Unruh describing memorable flight see text Antique-class Old Square Sides near Kenla Alaska has K&B 19 1 0-year-oid Expert radio six-footer says wont stall glide spin otherthan sailing aiong majesticaliy manages clawing loop forasrobatics nephewJohn Koll plc flies too Winterspun out ship hisfirst guess 1938 whata gassie BabyCyclone should iook ilke Unruh got plansfrom MB resurrected ancient model designed byJohn Sprague AKA Bill Winter Right BeforetheMB plans Unruh found oidAir Trails clips build 1/2-size version floats took off snow landed water poor float design prevented ROW Just two channels After two years forgot run tank down before launching Alaska big Winterwonders someday will found Wooily Mammoth revealed Ace RC has resident mixing board mad man loves like assume no-sense challenges mail remarkable its content Folks chat about truly amazing things themselves flyingand mixed bag adventures day bull session means talk other Nature may abhor vacuum Mother Nature must lost shopping malls shall turn loose remarkable people David Unruh Kenai Alaska involves very first gas model letter says lot about flying Old-Timers builders follow own lights typewriter mutters cryptic As twig bent grew tree rambleagain 1936 designed Old Square Sides knowing zilch about gassies already modeling 10 years Hardly anyone money Brown Jr $2150 engines $2150 common herd equivalent modern nine-cylinder four-stroke radial dream happened Col Moseley air school machine shop students assigned practical matter making en18 Model Aviation wna gooa ietover wingst Jiii ioerson noias asas omj scaica-up u-ice lOOK-aliKe called Big Tee50% bigger Rolls reluctantiy flies inverted Took 75% much timeto build asa new planeand costhim oniy$40 Tom says looks iikea home-built enjoys flying way 0S 30to changed OS Max 35 FP mainly cause club now requires mufflers looks like 0-Tee thinks stili Kadet Behold Mud Duck Winter professes find good airplane within ugly duckling disguise Tom Chipley its creator repressed cartoonist tongue-in-cheek cynic sticks pins balloons says Winter should recognize blood brother let mischief run riot designing yet another freedom fighter around leftover wing time Swizzle Stick 40 curious coyote can fatal warn mystery unravelled sort text flight shot youll notice man says good ship gets step Mud Duck grooves nicely landing Believe whole thing concocted emphasize beauties gem-like Saito Winter doubts kit maker would fail love it flies betterthan some kits Hed urge buy plans warm September afternoon forgot run tank down before launching flew away long life dope-and-tissue airplane After its demise found out design Great ordered pians ModelBuilder bui full-size year changed internal structure bit take advantage materials hand externally obvious change little less dihedral kept airfoiled stab pedestal empennage part character plane would lot easier make flat-plate stab mount directly upper stringers fuselage la Q-Tee lowering thrust line 19 mounted upright completely within Out lines cowling Power just right 103 prop all-up weight under 5 lb Radio 10-year-old World Expert five-channel REM have half rudder half elevator works wish put some down right thrust changes trim power setting balsa block cowling fits close would difficult adjust thrust angle now wont stall power off wont spin roll under circumstances loop after long dive always brings large groan bystanders claws its way over top makes What does fly about hundred flights far half other people flying also fly Great Planes CAP 21 ST 75 Its different kind fun vertical takeoffs snap rolls sort thing plane ahead ofme often CAP stimulant OSS sedative would like describe best day flying ever Old Square Sides Dave continues wife camped shore Kenal Lake along narrow glacialfed lake waters nearly-opaque jade color surrounded mountains camp ground features gravel bar protruding lake about 100 ft extending along shore about same distance After studying gravel bar thought could get away few flights afrald springy gear would cause nick prop coarse gravel ROGed hand-launched hundred square miles clear calm wilderness air myself 1500 ft white-and-orange model like tiny jewel against blue sky engine failed would have forced make tricky dead-stick spot landing choose between cold water Kenal Lake thick spruce forest back K&B 19 its peak however chugged along quarter-throttle 10 minutes came time land throttled way back few minutes OSS down 50 feet Down wind leg entered altitude about 200 ft out over lake brightly-colored ship framed beautifully lush green moun tainside flew About 200 yards past gravel bar made wide 180 onto final using turn burn off what altitude left As OSS settled down over water gentle bank could pick up reflection calm surface images inches apart wheel wheel eased throttle forward holding just apart point talk myself keep becoming hypnotized vision two airplanes tight formation inverted bottomless sky Just over edge bar pulled throttle way over OSS bounced stop far edge did four timeswhat gas Unruh sounds like modeling bush pilot others huge state once called Sewards Folly modeling missionary 1984 took unique project local grade school has program gifted/talented kids called QUEST class period day spent especially challenging fun projects Dave teacher hes fire department shift officer volunteered Twice week teacher eight students build Sig Cabinaire Sig Tiger Neither teacher nor students built models before kids fifth-graders models built entirely class flew Unrubs current projects include Flyline Models Great Lakes Trainer simulated five-cylinder radial using OS 40 four-stroke four dummy cylinders refinishing CAP 21 skis building three-channel Arctic Tern latter h-scale version oncefamous Interstate Cadet now manufactured Alaska Tern rate three year Modified tips anew cowling aroundthe 150hp Lycoming double power wartime trainer looks like model model distinctive fm rudder shape give away its Interstate origins Its said superb bush plane Like writer Dave loves out-of-production K&B-Veco ud think didnt have other engines Several club members also building Terns plans regret cant squeeze pictures thingsespecially kids stretch-winding rubber jobsand mass launching Welcome please Tom Elberson De fiance OH saga Big Tee Tom off-and-on modeler 35 46 years acquired aero mechanical engineering de Ever since SAM approved Winters Old Square Sides Antique WOG Vaga bond Old-Timers old boy says hes beengettingaraftofVagpics EdLambsent Ohisson 60-powered FF builtfrom orig inal kit Eagle plans Lamb says hes really enjoying Photo annual Misery Meet Ft Lewis WA co-sponsored Strat-O-Bats Boeing Hawks regular AMA events SAM B Old-Timers grees wife four children busy career during intermission 16 built first RC Lou Andrews Beam after beginning Control Line Free Flight About 10 years ago returned thousands normal life via Sig three-channel Kadet 1 finally made joyful decision roll own nifty Q-Tee cousin Everybody can designer days Toms years experience lying fallow wonder took him long procrastinating Incidentally has diskette Multimate software IBM PC letter includes article building flying full-size plan Im blown away guys word processors write beautiful treatises instead letters like neohunt andpeck rockheads like Some elegant quotes Last fall after outside chores done Elberson begins looking modeling project vety inexpensive two oldest kids now college dusty old Kadet wing left after crash useless hull Q-Tee strained through tree given friend before moved town gave idea design fuselage parasol-type airplane similar Q-Tee bigger could use Kadet wing hardware including engine June1986 19 radio wheels etc Kadet still good would come handy keep costs down made few measurements Q-Tee possible before throwing garbage decided scale up about 50% based its Kadets wingapans About 30 hours designing drafting later full-size plans Big Tee name seemed appro priate completed following gives construction procedure also some I1/8 1 I thinking behind structural design Au Toms instructions uniquely read able spiced thought logic say must keep moving along However cant resist giving excerpt followed comments flying bird Its good stuff design Big Tee fuselage influenced crash experience Kadet design Contender Tom relates impact force during crash determined time therefore distance over impact occurs greater crush distance less force Au Col lapse structure important full-size aircraft Globe Swift being notable example Kadet has aluminum engine mounts attached less toward center firewall momentum aircraft aft firewall taken up transferring loads through sides top bottom fuselage 20 Model Aviation Left Separation Piggybacked George Hendersons Teiemaster40 Gently Ladyfloats free soar pica drawings two pages relate Hendersons system Hes replaced K&B 40 OS 50 get launching altitude quickly big heavy Sailpianes Hes over 350 launches fall 1985 fellow club member has duplicated setup Bridi 40 Loadmaster now club can take up lots gliders mother ships Right Telemaster dwarfed big Paragon Gliders up Two-Meter size can launched stock single-tailed Telemaster triple-tailed version handles big Jobs better flies bet ter itself Note double-truck wheels required because soft silt surface interfered composite takeoffs Left Parts consist just two supports gilder wings fore aft supportaforthe fuselage andthe center release mechanism Parts detach easily fiying Teiemaster its own Wide spacing four supports prevents airborne rocking gilderotherwise certain aileron use Above Launching apparatus place ready take gilder Note inverted U guard/guide atop middle fin Author invento Geurge Henoerson Hat patch says Society Aircraft Demolish important thing picture simple pushrod arrangement operate three ersSAD MemberSmaiiiettersatthebot- rudders precisely Theres ailerontype bail link center rudder cievis rods tom Latin Aircraftus Frnamentus ball link attachments outboard rudders Sturdy aear truck-ilke wheeis show ciearlv TAPE OF FU I/a June1986 21 WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BALSA SNEL1I N 4r 30 1/16233 3/322 40 1/8243 3/16249 114 n2 56 1/32337 1/20337 1/16337 4931 3/32344 5937 1/8 ,3547145 3/16363 9255 1/4 3739561 5/16385 3/8 38812471 1/2 3115155 3/4 3185 1/164597649 3/324 75 9456 1/8 4 8010666 3/164 9312275 1/4 411513686 3/8 4165225 1/2 4225261 MATCIED SMUTS 42 3/324100 1/84106 3/164120 1/44131 BALSA STICKS 3640 1/16 1/409 1/16 3/810 1/16 1/214 3/32 1/410 3/32 3/812 3/32 1/216 1/5 1/806 1/8 1/411 1/8 3/612 1/8 1/216 3/153/1611 3/16 3/817 3/16 1/222 1/4 1/416 1/4 3/519 1/4 1/221 1/4 3/434 1/4 140 5/165/1621 3/8 3/827 3/8 1/232 3/8 3/442 3/8 152 1/2 1/234 1/2 3/446 1/2 159 5/8 5/948 3/4 3/467 BALSA HOT LINE Cd 506 745-6394 10mm- 6pm Ceutral rime LONE STAR MODELS 123 57th St LubhDEk TX 79412 v113 BALSA TRIANGLES N 4425 3/83630 2 235 34 3445 55 6 S BALSA PLANKSN 2465 6 250 3200 304266 2411/23275 2811/24300 3022225 4423325 24435 2933495 3734698 46 55 TAPERED SHEETSN 1/4265TRMLNEI EDGEN 531/43851/4132 623/52655/1611/439 3/53963/91 1/246 1/231251/2270 LONE STAR EPOXY 9,Lil645 51,598 15mm596 30,598 MS rANT CL VE 1 e Thck298 Thi299 2cm Thick550 2, Thin550 CUSTOM CUT CONTEST BALSA Sheets Piece ed Close Tolerances AAA Grade Dried ped 100% a serious modeler want performance must try 4-6 lb balsa LIGHT 4-6 LB WOOD36 1/32349 1/20349 1/16349 3/32355 1/8367 3/16375 1/4355 3/83115 1/23139 3/43220 13300 1/16478 3/32491 1/84100 3/164117 1/44139 3/84207 1/24293 BASSWOOD48 3/163/1625 3/161/430 3/163/639 3/161/246 3/163/400 1/41/442 1/43/949 1/43/465 3/83/800 3/81/270 3/83/490 1/21/200 1/23/4100 BUNDLE DEALS 20-1/5330685 201/164301025 20-3/32330840 153/32436955 151/5330715 101/8430675 153/16336500 103/16430610 101/4330630 101/4430890 10-3/8339800 53/8430625 51/2330540 51/2430855 103/32446845 51/8446465 53/16446565 51/4446625 P8HZ STICKS 36 48 1/81/81317 1/814/633 1/83/82027 3/163/161724 3163/82332 3/161/23040 1/41/42537 1/43/83042 141/23447 3/9 3/8 37 52 SPRUCE STICKS N 48 1/8 1/815 1/8 141824 1/53/82529 3/16 3/162534 1/4 1/43145 1/4 3/83050 3/8 3/54563 3/8 1/25570 1/2 1/28066 13 3/45998 SPRUCE TRIANGLES N 3/53/845 1/21/261 3/4 3/477 HARD MAPLE 1/4 3/5 3/83/5 3/81/2 3/53/4 123/4 ERICH DOWELS 1/5 3/16 1/4 5/16 3/8 IS 40 45 50 59 55 N 09 11 14 25 32 3P9YB*RCH 48 1/6412525 1/3212425 1/1612435 1/512400 SPLYBIRCN48 3/3212070 1/812585 3/1612565 1/412600 GROOVED LA MOUNTS 12 Imches LITE PLY 483/83/4/1/8/ 1/561503/83/4/5/32/ 1/8133001/23/4/3/16/ 46 46 45 Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO accpl Visa Masts Card personal checks COD 4-1/8% Ia icr Teas US crrency Mini,, Order 01000 S-em firewall mounts engine likely event engine/prop strikes ground first Since aluminum mounts wont give much crash engine doesnt usually give much crush distance ahead firewall short impact loads high directly transferred tend buckle firewall just what happened case once firewall collapsed rest aircraft easily failed no way make model crashproof course Contenders engine-mounting system seems better standpoint uses maple wood mounts glued along sides fuselage clear back second former soft n balsa block glued front mounts cowl soft balsa well So after engine buries prop shaft balsa starts crush during crash aft loads taken directly through mounts least thats theory used mounting system other feature liked about Con tenders construction what call spine piece -in balsa sheet running front back having shape planform fuselage pin plans first glue sides around formers Thus shape alignment fuselage assured made inside fuselage width exactly 3 spine formers use full 3 balsa width saving cutting wasted material can later build turtleback tank compartment hatch above give aircraft realistic shape.. some trepidation take first design flying field Tom says Will fly Will flying buddies chuckle under breath Im sure aircraft benefits greatly its Kadet wing positioned same incidence Kadet tail moments typical wing loading 185 oz/sq ft fine So give best pilot field watch What joy see ROG out grass behind old trusty OS 30 walt Continued page 24 22 Model Aviation * Special Detergents help prevent varnish promote clean burning * Rust Preventatives protect expensive engines corrosion SIG CHAMPION 2-STROKE FUEL FREE SHIPPING ON ORDERS OVER $1500COLLECT PINTQUARTGALLON55 GAL DRUM 0% Nitromethane$315$450$1050$19000 5% Nitromethane$365$525$1250 10% Nitromethane$415$550$1450$32500 15% Nitromethane$430$625$1650 25% Nitromethane$495$750$2095 35% Nitromethane$575$875$2495 SIGPREMIUM4-STROKE FUEL 10% Nitromethane$415$550$1395$29500 15% Nitromethane$425$625$1595 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending fuel finest quality ingredients available alcohol 995% pure very best grade available nitromethane use 100% pure get honest portion based % volume masimum lubrication get perfect 50/50 blend Bakers AA Castor Oil Kiotz Techniplate Racing Oil protect expensive engines finest quality fuel can made price Dont take word try some ludge yourself See dealer first available order direct Call ____ 800-247-5008 toll free orders Latest Catalog $3 SIG MANUFACTURING CO Montezuma IA 50171 PrrCOS suSiect change withojat note show signs structural problems maneu vers become energeticdives loops spins etc After test pilot puts through rigorous set flight conditions hands trans mitter first thing notice similar flies Kadet did feel flight control surfaces bit too sensitive have subsequently changed neutral rudder elevator used able roil Kadet big barrel roll Big Tee just didnt seem want come around Its spins better however will well inverted maybe Im just prejudiced looks better especially air has look homebuilt experimental aircraft 8-oz tank gives up 20 min flight time Kadets 6-oz tank gave 10 12 mm often wanted first tail-dragger RC first successful takeoff really third try since using grass takeoffs since aircraft overpowered didnt feel frustrated problems Because going mandatory mufflers flying field am going replace theoldOS 30withanewOSMax3SFPwith muffler should give plenty power really affect weight since can remove some nose weight install model plain very functional Easy economical build fun fly took about three-fourths time build Kadet Contender did Although started wing aiready built did include design drafting time would have easily enough build wing leftovers Kadet other surplus ma terials cost little over $40 out pocket has given lot joy know folks concoct new planes using old wings bored some old model sketch something different Youve heard about flsbheads fish tails Leftovers washouts Often wing survives What great way combine imagination saving time money Presto have very own one-of-a-kind conversation piece Hey looks nice flies great What kit rafters filled nice old wings potential future get back air epi sodes ugly duckling What see look airplane Tom Chipleys Mud Duck looks like contender worlds ugliest airplane Its between-the-lines statement whimsical functional talks Its really clever Tom Chipley suspect ebullient optimist wry slayer pretentious dragons know trying read letters easy says Tom sticking pin balloon Compounding problem delightful stream consciousness Au Aw gee fact have forgotten what said letter assume what say must have said something about sending photos Well two letters second bearing postscript approximately 700 words long Elec tric guys will love another issue now back Mud Duck OK asked Chipley prods Pho tos stuff make fly out Great Dark Away pressures peers Au theme song slip something com fortable just lay back Au Chip talking airplanes parts pieces airplanethe kind enjoy fuselage built Electric turned out too heavy nose plane present firewall portions Continued page 26 24 Model Aviation U U ALL PURPOSE FOAM CU1TER Hands Off Cut II Especially Designed Tapered Wings HANDS OFF CUT II unique device cutting high quality foam wing cores hands off also cuts both sides same time Most modelers will amazed high quality smooth surface will achieve using device plus added advantage having wait until friends can come around help However just foam wing cutter HANDS OFF also capable cutting precision foam components such fuselage sections cowls tail surfaces HANDS OFF available hardware package assemble own board HANDS OFF CUT II requires 24 volt variable output power supply Easy assemble s approximately 15 minutes Dealers WantedHands Off Cut II Hardware Pkg$8750 plus $3 ship ft hand 24 Volt Variable Output Power 0 pius $3 ship ft hand ///~ NORRAY PRODUCTS INC 5 008 Sandbeach Road Wichita Falls TX 76310 Tel 81116924475 POSI -CURETM CYANOACRYLATE SPECIAL INTRODUCTORY OFFER ListSaleSavings 1 oz Fast Cure 3-5 Sec495$24500/0 Off 2 oz Fast Cure 3-5 Sec895$396560/0 Off 1 oz Gap-Filling 5 Sec$250% Off 2 oz Gap-Filling 5 Sec895$39656% Off OUR GUARANTEE TO YOU satisfied POSI-CURE please return unused portion within 30 days full refundNo questions asked SHELDONS HOBBY SHOP 3157 Alum Rock Ave Jose CA 95127 FOR ORDERS ONLY PLEASE 800 2283237e408 251-0789 Out State INFO 408 251-0787 California 0 SHIPPING per order Hours Mon-Wed Fri & Sat 930530 FAST SERVICE Thur 930-900 1200-500 COD ADD $1 90 48 span 5 2-4cycle 3ChannE Easily converted electric celient sor tne negmn nor can set up challenge expert hand cut kit*3996 Super50Span1S-25 Pronto2-4 cycle annel Same excellent qualities Pronto aerobetic ailerons*4995 Square48 span sq Shooter 25.4524cycle4chnl Can customized suit taste pure hot rod rear exhaust tuned pipe ass docile very aerobatic Sunday Flyer 25 40 Easy build hand cut kit 5996 Available dealer order direct Add *200 shipping additional *200 COD save COD sand check money order VA Ras add 4% sales tax TIDEWATER HOBBY ENTERPRISES Route 1 Box 241 D Lanexa Virginia 23089 804-966-5092 what would prefer things turned out Hayes engine mount fit plywood nose exactly wing Swizzle Stick 40 did fly wanted comedic designer explains stab stressed skin Vi2 sheet over few Vie ribs structure built canard design stillborn landing gear directly brown paper bag holds remains Robin Hood fell victim literally faulty radio signal wheels have flown almost planes since 1981 talisman simply decora tion love way look engine little jewel aluminum steel bronze chrome plate miniature valves pushrods flaunting function air Saito 30 chosen choice mostly aesthetic Internal combus tion engines have fascinated long care remember charm power speed rather something harder communicate someone has never spread engine out floor bench gone through part find hiding fault rejoiced perfection casting forging ma chining visible explorer inner realm Au Dont fourstroker youll sorry seethe beauty Model T Ford Citroen 2CV Ferrari 12 cylinder Jaguar 6 see something beyond name power something unites other machines man Saito 30 its exposed valve assembly leading side cylin der irresistible plane bears engine should same spirit reflection function overstatement power speed Fine qualities salute function Function fuselage flight surfaces serve doing little regard aesthetics define complement engine engine leads way arrogant its func tion flies see what have wanted see RC planes since first began building flying few years back see relaxed comfortable combination airframe power plant does have compare itself other easy fly yet responsive Takeoffs very stable mild crosswind Landings slow floating plane enjoy just fun Well Isee got tad wordy having read material few years feel am good company yet still running catch up specifics plane span 60 chord 10 horizontal stab 25 x 5 stab area 125 sq prop 10-6 fuselage length spinner end elevator 46 weight 62 oz 387 lb wing loading 96 lb/ft2 1536 oz/ft2 wing area 402 sq ft Hes serious statement Functional Flat windshield wood painted windows flat fuselage top modest incidence built stability flat-bottom wing flat angied nose top bottom open-air engine mounting flat fuselage bottom handy strap-on doublestrut gear sweepback vertical tail save perdition angled rudder hinge line helps keep wing tip up rudder turns low ample rudder area plenty rudder power throw-around three-channel aerobatics minimum rotational force around roll axis improved spiral stability turns sectioned stab always better flat stab tail perhaps downwash reasons maybe whimsical jet-age stuff anyway straight up slab would too ugiy prankish Chipley Continued page 136 26 Model Aviation L Dave Robelens Playmate Featured Aprii 86 Model Aviation 3 Channel port-Fun Fly 25 cycle Fast assembly hand cut kit*4996 Pronto EASY TO NDCRAFTED KITS AT LOW PRICES VVII l F.A.JI OL III60 Length 53 inEngine 60Leng its include Pre-built fiberglass fuselage foam cores shaped strip ailerons complete hardware pack SEND CHECK OR MONEY ORDER TO,. VISA & MASTER CARD ACCEPTED ZON MODELS INC T-404 Kelly Ave Manchester NH 03103 603 627-9503 Safety/Preston Continued page 133 respondent opposed man dating pilot location club field nevertheless very concerned about radios interfering another enclosed let ter club sent AMA President John C Grigg expressed clubs con cern about ability radio manufacturers manufacture equipment will operate successfully frequency spacing tween channels reduced not-toodistant future Perhaps mandatory pilot-saving may way operate after 1991 Question No 6 Ten readers submitted other suggestions concerning safety RC flying fields Briefly summarized follow Get rid hotdoggers always edge wrong side flying safely Reduce interference having good clean primary-channel output Tx Good product review boards Everything magazines comes Out good have problems field Radio manufacturers should provide connec tors accommodate ESVs battery checks Increased punishment following already-set rules Get needle valve away spinning FAIRCHILDS MAGNIFICENT TANK KILLING A-b THUNDERBOLT H WARTHOG IN RELIABLE PROP VERSION SB WING SPAN FOR 60 ENGINE Plan No 104 $1400 postage paid wilkin USA N J resideols odd 6% soles tax RFM Design Research PO BOX 2393 VINCENTOWN NJ 08088 prop club have safety officers Experienced RCers pass knowledge newcomers Enforce rule keep spectators Out pits Ground models visual damage poor improper workmanship Maybe some video tapes scare guys couldnt care less about safety Have first aid kit possible telephone field emergencies Classify trainer models Primary Basic Advanced time read column will see May Safety column has addressed subject trainer models really arent trainers situation above respondents covered some length let ter havent already responded re quest May column thoughts classifying trainers Basic Advanced categories Im still interested hearing want thank responded reader questionnaire intend pass results AMA Safety Committee sug gest review Dave Abbes suggestions exception Question No 3 fail-safe throttle part Question No 5 ma jority readers appears agree Dave Have safe month Jo/in Preston 12235 Ti/den wood Dr Rock v/lie MD 20852 Plane Talk/Winter Continued page 26 curved fuselage lines beautify ugliness after cant see meticulously-done decorations mysterious panels lettering like military planes sort thing think Cut extract pilot am sure maybe neat rectangles inked portray locations airborne equipment Love mean-nothing arrows especially merely points jewel-like Saito inspired Chipley craft wonder Ye gods knows what doing flies great everyone can make statement note flight shot landing shows flies step Telemaster bonanza informational value itemjustifies break traditional format column data would make fine article magazine George Hen derson charter member Fallbrook RC Flyers California says has neither time talent lities produce article acceptable magazine wishes make system available other fliers Heres letter verbatim enjoyed very much too wish share Obviously impossible within column include detailed instructions provide full-size drawings authors feeling modelers level will able deduce combination photos drawings system works will able duplicate customize necessary parts Hender sons material normally would comprise fourpage article case would want contact him please write George Henderson 3662 Northcliff Dr Fallbrook CA 92028 Ive got 40-size Telemaster has real delight George tells us Au bralns Id make Telemaster hackers cannot better Ive currently made over 350 glider launcheseverything 2 x 4s Gentle Ladies Oly 650s Oly us overweight Para gon Mark Smiths Sensor 117 numerous unknown designs close full set parts friend can make installation Telemaster similar plane try design improve see fit 136 Model Aviation 4 EngIne 4U sheeted balsa machine cut balsa tail surfaces FREE FLIGHT SUPPLIES FAI Rubber Japanese Tissue Rubber Lube Nitrate Dope Front End Bearings Assemblies Crocket Hooks DT Fuse KSB Timers Cox Engines & Parts Kits Blue Ridge Peck Midway Micro-x others ox 5996 -Lake Worth FL 33461 CATALOG $100 others can enjoy fellow club members added installation Bridi 40-powered Loadmaster does beautiful job launching everything up through Oly us club now loaded two glider launchers went through three different versions before arriving present system first thing youll note triple tail first Tele master strictly stock tail sections larger gliders interfered fin rudder T cut center fin rudder added two outboard fins rudders now can launch just about anything Telemaster will handle Two-Meter jobs original center fin Flight characteristics seem bit improved triple tailjust fun flying no glider Originally powered K&B 40 did satisfactory job George goes larger gliders have considerably weight drag took couple circles get altitude now use 05 50 can handle anything quite easily other thing may notice photos dual truck-like tires glidertowing requirement flying field has about 2 fine silt top plane glider used mire down during taxi takeoff Although dual wheels add weight solve ground problems Incidentally just take off four wire parts plane goes back normal photos taken various club members have no camera George thank country full special airplanes imaglnation plethora things wonderful projects ingenious ideas Too us labor under superficial delusion RC forever 50-in plane 40 englne look ads reassures us however us time evolve manner things kinds airplanes Variety spice life Life hobby terms becomes dreary avocation Folks like George keep evergreen dont have build eight-engined Spruce Goose hang onwhat encore early 60s Phil Kraft designed Ugly Stik published Grid Leaks thought Phil daftand frankly Stik stank ice Now 35 years later like would build remarkable-performing allaround ship kitted infinite variations probably built greater numbers other RC earth Variety just around corner anyone things like yours George remind us man must create fulfilled Modeling like George Thank Bill Winter 4432 Altura Ct Fairfax VA 22030 Can talltagain am now receiving some unusually difficult questions obvious impor tance ask letters outside normal field expertise writers state seem know answers dont knowledge Electrics RC Scale etc badly limited compared experience specialist columnists like Kopski Wischer will far better served such matters always addressing special columnist choice other magazines maga zine addresses ends col umns will take questions relating own planes projects refer deep stuff Normal mall always welcome essential continued prosperity fun column Henry T/Thomas Continued page 34 overflow tube beneath engine Drill another hole oil drain through cowl bottom rear Cut open top cowl provide access engine Finish shaping cowl fit flush against spinner leave clearance spring starter Block-sand cowl blend smoothly firewall used buty rate dope fuel-proof firewall cowl interior After much flying oil penetrated areas advise epoxy coating better durability Covering Take time thoroughly finesand entire model inspect uneven seams dents blemishes Go over Elmers spaclding paste dries quickly will easily cover areas Fine-sand filled places go over entire structure tac cloth remove dust grit particles recommend MonoKote its strength Cover fuselage sides first tacking MonoKote edges little reduced heat iron smooth down Let covering lap around edges about 1/~ Next cover top bottom trimming covering flush edges Cover stabilizer except joins fuselage fin Cover bottom surfaces first trimming edges flush top covering can lap around edges bit Epoxy stabilizer fuselage sight ing across fuselage top make sure alignment Add small strips pieces MonoKote cover assembly joints Cover fin ruddr similarly Since elevators tapered thinly soft material take care covering Cover bottom surfaces first trimming edges flush elevator may curl bit bottom covered will tend straighten top covering goes Lap edges under slightly point elevator horn mounted extending bolts cut ground off flush Join elevator stabilizer MonoKote hinge applying first nar row strip lower surfaces V raising elevator adhering film top strip flush slight clearance should provided prevent binding horizontal tail must completely mounted before fin can firmly ce mented place centerline Add MonoKote strips lap fin sta bilizer joint Carefully mark three hinge locations fin rudder drill holes accommodate hinge points Also drill hole tail wheel wire extension enters rudder near bottom Glue hinge points place moving rudder often glue sets Mount rudder horn grind extending mount ing bolts off flush Cover lower wing urfaces first Contiiued page 140 4Ye4//V R/C SPORT SHORT KITS THESE HIGH PERFORMANCE KNOCK AROUND FLYING MACHINES ARE EASY TO BUILD AND FUN TO FLY THEY ARE DESIGNED WITH PLENTY OF WING AND TAIL AREA FOR POSITIVE HIGH AND LOW SPEED CONTROL WE USE STRAIGHT FORWARD QUICK AND STURDY CONSTRUCTION THAT MAKES SENSE SHORT KITS INCLUDE PRECISION CUT FOAM WING CORES ABS HIGH INPACT FORMED COWLING CLEAR FORMED CANOPY WITH FRAMEWORK DETAIL STRONG FORMED STEEL ENGINE MOUNT EASY TO FOLLOW PLANS WITH CONSTRUCTION DETAILS AND ALL NECESSARY TEMPLATES PRE-CUT PLYWOOD FIREWALL LANDING GEAR BLOCKS STRAPS & SCREWS BILL OF MATERIALS NO BALSA INCLUDED PRICE PER KIT $2695TWO FOR $5000 WORLD WAR II FIGHTER SERIES JAPANESE A6M2 ZERO SPAN 544-CHANNEL 29 TO 45 ENGINE 4 LBS AMERICAN P-40 TOMAHAWK 29 TO 45 ENGINE SPAN 554-CHANNEL4 LBS GERMAN FW-19029 45 ENGINE SPAN 544-CHANNEL4 LBS ITALIAN c202 FOLGORE29 TO 45 ENGINE SPAN 544-CHANNEL4 LBS ORDERING SEND CHECK OR MONEY ORDER FOR REGUIRED AMOUNT PLUS $450 POSTAGE PER KIT CANADIANS ADD $650 TO WING MFG PO BOX 33 CRYSTAL LAKE IL 60014 ILLINOIS RESIDENTS ADD 6% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND $350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM CORE REPLACEMENT WINGS ACCESSORIES KITS TOOLS AND MUCH MORE PHONE 815 459-0417 FOR FAST COD SERVICE BYMF6 QUALITY PRODUCTS SINCE 1964 June1986 137
Edition: Model Aviation - 1986/06
Page Numbers: 18, 19, 20, 21, 22, 24, 26, 136, 137
Bill Winter 0 K Plane TalL AS JACKIE GLEASON used say sweet flying African-drought stage nice things rain like manna Heaven Ive Purple Planned way through exciting Electric model motor cabin bulk head prop speed reduction long extension shaft big folding prop sin gnawing way through incredible Kadet Senior latter novel approach trainer like big airplanes can fly like Free Flight offer fun blokes like well gluing together Old-Timer-like sticks fun thing dont need trainer Im trying strange spoiler combination out usual tch allows use individually no ailerons Se nior doing can have proportional openings wish can CAR cross control rudder mode Please dont ask. Lord knows what may ginesthe Baby Cyclone price tag $1500 still bit much thanks Irv Polk got wholesale $900 Old Square Sides flew off board always have colossal luck admit being Rubber Scale flier school hard knocks long stralght takeoff wide shallow climbing turn left Several years later published Air Trails could say no boss discretion being better part valor used middle name John Sprague airplane forgotten nearly haIfa century Enter Bill Northrop ModelBuilder Some guy Alaska keep eye him submitted Northrop picture version floats caption saying John Spragues ship would future construction project As prank rushed three-view Model Aviation under own name both items appeared simul taneously Northrop wondered organiza tion leaking Fun Model Builder has published revised Rookie prior tongue cheek Northrop asked check should made out John Sprague Now have picture Alaskan friends full-size Old Square Sides Dave Unruh uses OSS means Old Square Sides out-ofsight . Several years ago says Dave Unruh bought magazine called Classic Flying Models Au never heard Anyone have copy dont need great-looking OldTimer called Old Square Sides scaled magazine plans half-size replica built flew two years 020 049on floats off snow onto water wouldnt ROW due poor float design wheels twochannel RC finally Free Flight free up radio new plane Eventually Left 100 sq miles clear calm wilderness air myself says Dave Unruh describing memorable flight see text Antique-class Old Square Sides near Kenla Alaska has K&B 19 1 0-year-oid Expert radio six-footer says wont stall glide spin otherthan sailing aiong majesticaliy manages clawing loop forasrobatics nephewJohn Koll plc flies too Winterspun out ship hisfirst guess 1938 whata gassie BabyCyclone should iook ilke Unruh got plansfrom MB resurrected ancient model designed byJohn Sprague AKA Bill Winter Right BeforetheMB plans Unruh found oidAir Trails clips build 1/2-size version floats took off snow landed water poor float design prevented ROW Just two channels After two years forgot run tank down before launching Alaska big Winterwonders someday will found Wooily Mammoth revealed Ace RC has resident mixing board mad man loves like assume no-sense challenges mail remarkable its content Folks chat about truly amazing things themselves flyingand mixed bag adventures day bull session means talk other Nature may abhor vacuum Mother Nature must lost shopping malls shall turn loose remarkable people David Unruh Kenai Alaska involves very first gas model letter says lot about flying Old-Timers builders follow own lights typewriter mutters cryptic As twig bent grew tree rambleagain 1936 designed Old Square Sides knowing zilch about gassies already modeling 10 years Hardly anyone money Brown Jr $2150 engines $2150 common herd equivalent modern nine-cylinder four-stroke radial dream happened Col Moseley air school machine shop students assigned practical matter making en18 Model Aviation wna gooa ietover wingst Jiii ioerson noias asas omj scaica-up u-ice lOOK-aliKe called Big Tee50% bigger Rolls reluctantiy flies inverted Took 75% much timeto build asa new planeand costhim oniy$40 Tom says looks iikea home-built enjoys flying way 0S 30to changed OS Max 35 FP mainly cause club now requires mufflers looks like 0-Tee thinks stili Kadet Behold Mud Duck Winter professes find good airplane within ugly duckling disguise Tom Chipley its creator repressed cartoonist tongue-in-cheek cynic sticks pins balloons says Winter should recognize blood brother let mischief run riot designing yet another freedom fighter around leftover wing time Swizzle Stick 40 curious coyote can fatal warn mystery unravelled sort text flight shot youll notice man says good ship gets step Mud Duck grooves nicely landing Believe whole thing concocted emphasize beauties gem-like Saito Winter doubts kit maker would fail love it flies betterthan some kits Hed urge buy plans warm September afternoon forgot run tank down before launching flew away long life dope-and-tissue airplane After its demise found out design Great ordered pians ModelBuilder bui full-size year changed internal structure bit take advantage materials hand externally obvious change little less dihedral kept airfoiled stab pedestal empennage part character plane would lot easier make flat-plate stab mount directly upper stringers fuselage la Q-Tee lowering thrust line 19 mounted upright completely within Out lines cowling Power just right 103 prop all-up weight under 5 lb Radio 10-year-old World Expert five-channel REM have half rudder half elevator works wish put some down right thrust changes trim power setting balsa block cowling fits close would difficult adjust thrust angle now wont stall power off wont spin roll under circumstances loop after long dive always brings large groan bystanders claws its way over top makes What does fly about hundred flights far half other people flying also fly Great Planes CAP 21 ST 75 Its different kind fun vertical takeoffs snap rolls sort thing plane ahead ofme often CAP stimulant OSS sedative would like describe best day flying ever Old Square Sides Dave continues wife camped shore Kenal Lake along narrow glacialfed lake waters nearly-opaque jade color surrounded mountains camp ground features gravel bar protruding lake about 100 ft extending along shore about same distance After studying gravel bar thought could get away few flights afrald springy gear would cause nick prop coarse gravel ROGed hand-launched hundred square miles clear calm wilderness air myself 1500 ft white-and-orange model like tiny jewel against blue sky engine failed would have forced make tricky dead-stick spot landing choose between cold water Kenal Lake thick spruce forest back K&B 19 its peak however chugged along quarter-throttle 10 minutes came time land throttled way back few minutes OSS down 50 feet Down wind leg entered altitude about 200 ft out over lake brightly-colored ship framed beautifully lush green moun tainside flew About 200 yards past gravel bar made wide 180 onto final using turn burn off what altitude left As OSS settled down over water gentle bank could pick up reflection calm surface images inches apart wheel wheel eased throttle forward holding just apart point talk myself keep becoming hypnotized vision two airplanes tight formation inverted bottomless sky Just over edge bar pulled throttle way over OSS bounced stop far edge did four timeswhat gas Unruh sounds like modeling bush pilot others huge state once called Sewards Folly modeling missionary 1984 took unique project local grade school has program gifted/talented kids called QUEST class period day spent especially challenging fun projects Dave teacher hes fire department shift officer volunteered Twice week teacher eight students build Sig Cabinaire Sig Tiger Neither teacher nor students built models before kids fifth-graders models built entirely class flew Unrubs current projects include Flyline Models Great Lakes Trainer simulated five-cylinder radial using OS 40 four-stroke four dummy cylinders refinishing CAP 21 skis building three-channel Arctic Tern latter h-scale version oncefamous Interstate Cadet now manufactured Alaska Tern rate three year Modified tips anew cowling aroundthe 150hp Lycoming double power wartime trainer looks like model model distinctive fm rudder shape give away its Interstate origins Its said superb bush plane Like writer Dave loves out-of-production K&B-Veco ud think didnt have other engines Several club members also building Terns plans regret cant squeeze pictures thingsespecially kids stretch-winding rubber jobsand mass launching Welcome please Tom Elberson De fiance OH saga Big Tee Tom off-and-on modeler 35 46 years acquired aero mechanical engineering de Ever since SAM approved Winters Old Square Sides Antique WOG Vaga bond Old-Timers old boy says hes beengettingaraftofVagpics EdLambsent Ohisson 60-powered FF builtfrom orig inal kit Eagle plans Lamb says hes really enjoying Photo annual Misery Meet Ft Lewis WA co-sponsored Strat-O-Bats Boeing Hawks regular AMA events SAM B Old-Timers grees wife four children busy career during intermission 16 built first RC Lou Andrews Beam after beginning Control Line Free Flight About 10 years ago returned thousands normal life via Sig three-channel Kadet 1 finally made joyful decision roll own nifty Q-Tee cousin Everybody can designer days Toms years experience lying fallow wonder took him long procrastinating Incidentally has diskette Multimate software IBM PC letter includes article building flying full-size plan Im blown away guys word processors write beautiful treatises instead letters like neohunt andpeck rockheads like Some elegant quotes Last fall after outside chores done Elberson begins looking modeling project vety inexpensive two oldest kids now college dusty old Kadet wing left after crash useless hull Q-Tee strained through tree given friend before moved town gave idea design fuselage parasol-type airplane similar Q-Tee bigger could use Kadet wing hardware including engine June1986 19 radio wheels etc Kadet still good would come handy keep costs down made few measurements Q-Tee possible before throwing garbage decided scale up about 50% based its Kadets wingapans About 30 hours designing drafting later full-size plans Big Tee name seemed appro priate completed following gives construction procedure also some I1/8 1 I thinking behind structural design Au Toms instructions uniquely read able spiced thought logic say must keep moving along However cant resist giving excerpt followed comments flying bird Its good stuff design Big Tee fuselage influenced crash experience Kadet design Contender Tom relates impact force during crash determined time therefore distance over impact occurs greater crush distance less force Au Col lapse structure important full-size aircraft Globe Swift being notable example Kadet has aluminum engine mounts attached less toward center firewall momentum aircraft aft firewall taken up transferring loads through sides top bottom fuselage 20 Model Aviation Left Separation Piggybacked George Hendersons Teiemaster40 Gently Ladyfloats free soar pica drawings two pages relate Hendersons system Hes replaced K&B 40 OS 50 get launching altitude quickly big heavy Sailpianes Hes over 350 launches fall 1985 fellow club member has duplicated setup Bridi 40 Loadmaster now club can take up lots gliders mother ships Right Telemaster dwarfed big Paragon Gliders up Two-Meter size can launched stock single-tailed Telemaster triple-tailed version handles big Jobs better flies bet ter itself Note double-truck wheels required because soft silt surface interfered composite takeoffs Left Parts consist just two supports gilder wings fore aft supportaforthe fuselage andthe center release mechanism Parts detach easily fiying Teiemaster its own Wide spacing four supports prevents airborne rocking gilderotherwise certain aileron use Above Launching apparatus place ready take gilder Note inverted U guard/guide atop middle fin Author invento Geurge Henoerson Hat patch says Society Aircraft Demolish important thing picture simple pushrod arrangement operate three ersSAD MemberSmaiiiettersatthebot- rudders precisely Theres ailerontype bail link center rudder cievis rods tom Latin Aircraftus Frnamentus ball link attachments outboard rudders Sturdy aear truck-ilke wheeis show ciearlv TAPE OF FU I/a June1986 21 WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BALSA SNEL1I N 4r 30 1/16233 3/322 40 1/8243 3/16249 114 n2 56 1/32337 1/20337 1/16337 4931 3/32344 5937 1/8 ,3547145 3/16363 9255 1/4 3739561 5/16385 3/8 38812471 1/2 3115155 3/4 3185 1/164597649 3/324 75 9456 1/8 4 8010666 3/164 9312275 1/4 411513686 3/8 4165225 1/2 4225261 MATCIED SMUTS 42 3/324100 1/84106 3/164120 1/44131 BALSA STICKS 3640 1/16 1/409 1/16 3/810 1/16 1/214 3/32 1/410 3/32 3/812 3/32 1/216 1/5 1/806 1/8 1/411 1/8 3/612 1/8 1/216 3/153/1611 3/16 3/817 3/16 1/222 1/4 1/416 1/4 3/519 1/4 1/221 1/4 3/434 1/4 140 5/165/1621 3/8 3/827 3/8 1/232 3/8 3/442 3/8 152 1/2 1/234 1/2 3/446 1/2 159 5/8 5/948 3/4 3/467 BALSA HOT LINE Cd 506 745-6394 10mm- 6pm Ceutral rime LONE STAR MODELS 123 57th St LubhDEk TX 79412 v113 BALSA TRIANGLES N 4425 3/83630 2 235 34 3445 55 6 S BALSA PLANKSN 2465 6 250 3200 304266 2411/23275 2811/24300 3022225 4423325 24435 2933495 3734698 46 55 TAPERED SHEETSN 1/4265TRMLNEI EDGEN 531/43851/4132 623/52655/1611/439 3/53963/91 1/246 1/231251/2270 LONE STAR EPOXY 9,Lil645 51,598 15mm596 30,598 MS rANT CL VE 1 e Thck298 Thi299 2cm Thick550 2, Thin550 CUSTOM CUT CONTEST BALSA Sheets Piece ed Close Tolerances AAA Grade Dried ped 100% a serious modeler want performance must try 4-6 lb balsa LIGHT 4-6 LB WOOD36 1/32349 1/20349 1/16349 3/32355 1/8367 3/16375 1/4355 3/83115 1/23139 3/43220 13300 1/16478 3/32491 1/84100 3/164117 1/44139 3/84207 1/24293 BASSWOOD48 3/163/1625 3/161/430 3/163/639 3/161/246 3/163/400 1/41/442 1/43/949 1/43/465 3/83/800 3/81/270 3/83/490 1/21/200 1/23/4100 BUNDLE DEALS 20-1/5330685 201/164301025 20-3/32330840 153/32436955 151/5330715 101/8430675 153/16336500 103/16430610 101/4330630 101/4430890 10-3/8339800 53/8430625 51/2330540 51/2430855 103/32446845 51/8446465 53/16446565 51/4446625 P8HZ STICKS 36 48 1/81/81317 1/814/633 1/83/82027 3/163/161724 3163/82332 3/161/23040 1/41/42537 1/43/83042 141/23447 3/9 3/8 37 52 SPRUCE STICKS N 48 1/8 1/815 1/8 141824 1/53/82529 3/16 3/162534 1/4 1/43145 1/4 3/83050 3/8 3/54563 3/8 1/25570 1/2 1/28066 13 3/45998 SPRUCE TRIANGLES N 3/53/845 1/21/261 3/4 3/477 HARD MAPLE 1/4 3/5 3/83/5 3/81/2 3/53/4 123/4 ERICH DOWELS 1/5 3/16 1/4 5/16 3/8 IS 40 45 50 59 55 N 09 11 14 25 32 3P9YB*RCH 48 1/6412525 1/3212425 1/1612435 1/512400 SPLYBIRCN48 3/3212070 1/812585 3/1612565 1/412600 GROOVED LA MOUNTS 12 Imches LITE PLY 483/83/4/1/8/ 1/561503/83/4/5/32/ 1/8133001/23/4/3/16/ 46 46 45 Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO accpl Visa Masts Card personal checks COD 4-1/8% Ia icr Teas US crrency Mini,, Order 01000 S-em firewall mounts engine likely event engine/prop strikes ground first Since aluminum mounts wont give much crash engine doesnt usually give much crush distance ahead firewall short impact loads high directly transferred tend buckle firewall just what happened case once firewall collapsed rest aircraft easily failed no way make model crashproof course Contenders engine-mounting system seems better standpoint uses maple wood mounts glued along sides fuselage clear back second former soft n balsa block glued front mounts cowl soft balsa well So after engine buries prop shaft balsa starts crush during crash aft loads taken directly through mounts least thats theory used mounting system other feature liked about Con tenders construction what call spine piece -in balsa sheet running front back having shape planform fuselage pin plans first glue sides around formers Thus shape alignment fuselage assured made inside fuselage width exactly 3 spine formers use full 3 balsa width saving cutting wasted material can later build turtleback tank compartment hatch above give aircraft realistic shape.. some trepidation take first design flying field Tom says Will fly Will flying buddies chuckle under breath Im sure aircraft benefits greatly its Kadet wing positioned same incidence Kadet tail moments typical wing loading 185 oz/sq ft fine So give best pilot field watch What joy see ROG out grass behind old trusty OS 30 walt Continued page 24 22 Model Aviation * Special Detergents help prevent varnish promote clean burning * Rust Preventatives protect expensive engines corrosion SIG CHAMPION 2-STROKE FUEL FREE SHIPPING ON ORDERS OVER $1500COLLECT PINTQUARTGALLON55 GAL DRUM 0% Nitromethane$315$450$1050$19000 5% Nitromethane$365$525$1250 10% Nitromethane$415$550$1450$32500 15% Nitromethane$430$625$1650 25% Nitromethane$495$750$2095 35% Nitromethane$575$875$2495 SIGPREMIUM4-STROKE FUEL 10% Nitromethane$415$550$1395$29500 15% Nitromethane$425$625$1595 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending fuel finest quality ingredients available alcohol 995% pure very best grade available nitromethane use 100% pure get honest portion based % volume masimum lubrication get perfect 50/50 blend Bakers AA Castor Oil Kiotz Techniplate Racing Oil protect expensive engines finest quality fuel can made price Dont take word try some ludge yourself See dealer first available order direct Call ____ 800-247-5008 toll free orders Latest Catalog $3 SIG MANUFACTURING CO Montezuma IA 50171 PrrCOS suSiect change withojat note show signs structural problems maneu vers become energeticdives loops spins etc After test pilot puts through rigorous set flight conditions hands trans mitter first thing notice similar flies Kadet did feel flight control surfaces bit too sensitive have subsequently changed neutral rudder elevator used able roil Kadet big barrel roll Big Tee just didnt seem want come around Its spins better however will well inverted maybe Im just prejudiced looks better especially air has look homebuilt experimental aircraft 8-oz tank gives up 20 min flight time Kadets 6-oz tank gave 10 12 mm often wanted first tail-dragger RC first successful takeoff really third try since using grass takeoffs since aircraft overpowered didnt feel frustrated problems Because going mandatory mufflers flying field am going replace theoldOS 30withanewOSMax3SFPwith muffler should give plenty power really affect weight since can remove some nose weight install model plain very functional Easy economical build fun fly took about three-fourths time build Kadet Contender did Although started wing aiready built did include design drafting time would have easily enough build wing leftovers Kadet other surplus ma terials cost little over $40 out pocket has given lot joy know folks concoct new planes using old wings bored some old model sketch something different Youve heard about flsbheads fish tails Leftovers washouts Often wing survives What great way combine imagination saving time money Presto have very own one-of-a-kind conversation piece Hey looks nice flies great What kit rafters filled nice old wings potential future get back air epi sodes ugly duckling What see look airplane Tom Chipleys Mud Duck looks like contender worlds ugliest airplane Its between-the-lines statement whimsical functional talks Its really clever Tom Chipley suspect ebullient optimist wry slayer pretentious dragons know trying read letters easy says Tom sticking pin balloon Compounding problem delightful stream consciousness Au Aw gee fact have forgotten what said letter assume what say must have said something about sending photos Well two letters second bearing postscript approximately 700 words long Elec tric guys will love another issue now back Mud Duck OK asked Chipley prods Pho tos stuff make fly out Great Dark Away pressures peers Au theme song slip something com fortable just lay back Au Chip talking airplanes parts pieces airplanethe kind enjoy fuselage built Electric turned out too heavy nose plane present firewall portions Continued page 26 24 Model Aviation U U ALL PURPOSE FOAM CU1TER Hands Off Cut II Especially Designed Tapered Wings HANDS OFF CUT II unique device cutting high quality foam wing cores hands off also cuts both sides same time Most modelers will amazed high quality smooth surface will achieve using device plus added advantage having wait until friends can come around help However just foam wing cutter HANDS OFF also capable cutting precision foam components such fuselage sections cowls tail surfaces HANDS OFF available hardware package assemble own board HANDS OFF CUT II requires 24 volt variable output power supply Easy assemble s approximately 15 minutes Dealers WantedHands Off Cut II Hardware Pkg$8750 plus $3 ship ft hand 24 Volt Variable Output Power 0 pius $3 ship ft hand ///~ NORRAY PRODUCTS INC 5 008 Sandbeach Road Wichita Falls TX 76310 Tel 81116924475 POSI -CURETM CYANOACRYLATE SPECIAL INTRODUCTORY OFFER ListSaleSavings 1 oz Fast Cure 3-5 Sec495$24500/0 Off 2 oz Fast Cure 3-5 Sec895$396560/0 Off 1 oz Gap-Filling 5 Sec$250% Off 2 oz Gap-Filling 5 Sec895$39656% Off OUR GUARANTEE TO YOU satisfied POSI-CURE please return unused portion within 30 days full refundNo questions asked SHELDONS HOBBY SHOP 3157 Alum Rock Ave Jose CA 95127 FOR ORDERS ONLY PLEASE 800 2283237e408 251-0789 Out State INFO 408 251-0787 California 0 SHIPPING per order Hours Mon-Wed Fri & Sat 930530 FAST SERVICE Thur 930-900 1200-500 COD ADD $1 90 48 span 5 2-4cycle 3ChannE Easily converted electric celient sor tne negmn nor can set up challenge expert hand cut kit*3996 Super50Span1S-25 Pronto2-4 cycle annel Same excellent qualities Pronto aerobetic ailerons*4995 Square48 span sq Shooter 25.4524cycle4chnl Can customized suit taste pure hot rod rear exhaust tuned pipe ass docile very aerobatic Sunday Flyer 25 40 Easy build hand cut kit 5996 Available dealer order direct Add *200 shipping additional *200 COD save COD sand check money order VA Ras add 4% sales tax TIDEWATER HOBBY ENTERPRISES Route 1 Box 241 D Lanexa Virginia 23089 804-966-5092 what would prefer things turned out Hayes engine mount fit plywood nose exactly wing Swizzle Stick 40 did fly wanted comedic designer explains stab stressed skin Vi2 sheet over few Vie ribs structure built canard design stillborn landing gear directly brown paper bag holds remains Robin Hood fell victim literally faulty radio signal wheels have flown almost planes since 1981 talisman simply decora tion love way look engine little jewel aluminum steel bronze chrome plate miniature valves pushrods flaunting function air Saito 30 chosen choice mostly aesthetic Internal combus tion engines have fascinated long care remember charm power speed rather something harder communicate someone has never spread engine out floor bench gone through part find hiding fault rejoiced perfection casting forging ma chining visible explorer inner realm Au Dont fourstroker youll sorry seethe beauty Model T Ford Citroen 2CV Ferrari 12 cylinder Jaguar 6 see something beyond name power something unites other machines man Saito 30 its exposed valve assembly leading side cylin der irresistible plane bears engine should same spirit reflection function overstatement power speed Fine qualities salute function Function fuselage flight surfaces serve doing little regard aesthetics define complement engine engine leads way arrogant its func tion flies see what have wanted see RC planes since first began building flying few years back see relaxed comfortable combination airframe power plant does have compare itself other easy fly yet responsive Takeoffs very stable mild crosswind Landings slow floating plane enjoy just fun Well Isee got tad wordy having read material few years feel am good company yet still running catch up specifics plane span 60 chord 10 horizontal stab 25 x 5 stab area 125 sq prop 10-6 fuselage length spinner end elevator 46 weight 62 oz 387 lb wing loading 96 lb/ft2 1536 oz/ft2 wing area 402 sq ft Hes serious statement Functional Flat windshield wood painted windows flat fuselage top modest incidence built stability flat-bottom wing flat angied nose top bottom open-air engine mounting flat fuselage bottom handy strap-on doublestrut gear sweepback vertical tail save perdition angled rudder hinge line helps keep wing tip up rudder turns low ample rudder area plenty rudder power throw-around three-channel aerobatics minimum rotational force around roll axis improved spiral stability turns sectioned stab always better flat stab tail perhaps downwash reasons maybe whimsical jet-age stuff anyway straight up slab would too ugiy prankish Chipley Continued page 136 26 Model Aviation L Dave Robelens Playmate Featured Aprii 86 Model Aviation 3 Channel port-Fun Fly 25 cycle Fast assembly hand cut kit*4996 Pronto EASY TO NDCRAFTED KITS AT LOW PRICES VVII l F.A.JI OL III60 Length 53 inEngine 60Leng its include Pre-built fiberglass fuselage foam cores shaped strip ailerons complete hardware pack SEND CHECK OR MONEY ORDER TO,. VISA & MASTER CARD ACCEPTED ZON MODELS INC T-404 Kelly Ave Manchester NH 03103 603 627-9503 Safety/Preston Continued page 133 respondent opposed man dating pilot location club field nevertheless very concerned about radios interfering another enclosed let ter club sent AMA President John C Grigg expressed clubs con cern about ability radio manufacturers manufacture equipment will operate successfully frequency spacing tween channels reduced not-toodistant future Perhaps mandatory pilot-saving may way operate after 1991 Question No 6 Ten readers submitted other suggestions concerning safety RC flying fields Briefly summarized follow Get rid hotdoggers always edge wrong side flying safely Reduce interference having good clean primary-channel output Tx Good product review boards Everything magazines comes Out good have problems field Radio manufacturers should provide connec tors accommodate ESVs battery checks Increased punishment following already-set rules Get needle valve away spinning FAIRCHILDS MAGNIFICENT TANK KILLING A-b THUNDERBOLT H WARTHOG IN RELIABLE PROP VERSION SB WING SPAN FOR 60 ENGINE Plan No 104 $1400 postage paid wilkin USA N J resideols odd 6% soles tax RFM Design Research PO BOX 2393 VINCENTOWN NJ 08088 prop club have safety officers Experienced RCers pass knowledge newcomers Enforce rule keep spectators Out pits Ground models visual damage poor improper workmanship Maybe some video tapes scare guys couldnt care less about safety Have first aid kit possible telephone field emergencies Classify trainer models Primary Basic Advanced time read column will see May Safety column has addressed subject trainer models really arent trainers situation above respondents covered some length let ter havent already responded re quest May column thoughts classifying trainers Basic Advanced categories Im still interested hearing want thank responded reader questionnaire intend pass results AMA Safety Committee sug gest review Dave Abbes suggestions exception Question No 3 fail-safe throttle part Question No 5 ma jority readers appears agree Dave Have safe month Jo/in Preston 12235 Ti/den wood Dr Rock v/lie MD 20852 Plane Talk/Winter Continued page 26 curved fuselage lines beautify ugliness after cant see meticulously-done decorations mysterious panels lettering like military planes sort thing think Cut extract pilot am sure maybe neat rectangles inked portray locations airborne equipment Love mean-nothing arrows especially merely points jewel-like Saito inspired Chipley craft wonder Ye gods knows what doing flies great everyone can make statement note flight shot landing shows flies step Telemaster bonanza informational value itemjustifies break traditional format column data would make fine article magazine George Hen derson charter member Fallbrook RC Flyers California says has neither time talent lities produce article acceptable magazine wishes make system available other fliers Heres letter verbatim enjoyed very much too wish share Obviously impossible within column include detailed instructions provide full-size drawings authors feeling modelers level will able deduce combination photos drawings system works will able duplicate customize necessary parts Hender sons material normally would comprise fourpage article case would want contact him please write George Henderson 3662 Northcliff Dr Fallbrook CA 92028 Ive got 40-size Telemaster has real delight George tells us Au bralns Id make Telemaster hackers cannot better Ive currently made over 350 glider launcheseverything 2 x 4s Gentle Ladies Oly 650s Oly us overweight Para gon Mark Smiths Sensor 117 numerous unknown designs close full set parts friend can make installation Telemaster similar plane try design improve see fit 136 Model Aviation 4 EngIne 4U sheeted balsa machine cut balsa tail surfaces FREE FLIGHT SUPPLIES FAI Rubber Japanese Tissue Rubber Lube Nitrate Dope Front End Bearings Assemblies Crocket Hooks DT Fuse KSB Timers Cox Engines & Parts Kits Blue Ridge Peck Midway Micro-x others ox 5996 -Lake Worth FL 33461 CATALOG $100 others can enjoy fellow club members added installation Bridi 40-powered Loadmaster does beautiful job launching everything up through Oly us club now loaded two glider launchers went through three different versions before arriving present system first thing youll note triple tail first Tele master strictly stock tail sections larger gliders interfered fin rudder T cut center fin rudder added two outboard fins rudders now can launch just about anything Telemaster will handle Two-Meter jobs original center fin Flight characteristics seem bit improved triple tailjust fun flying no glider Originally powered K&B 40 did satisfactory job George goes larger gliders have considerably weight drag took couple circles get altitude now use 05 50 can handle anything quite easily other thing may notice photos dual truck-like tires glidertowing requirement flying field has about 2 fine silt top plane glider used mire down during taxi takeoff Although dual wheels add weight solve ground problems Incidentally just take off four wire parts plane goes back normal photos taken various club members have no camera George thank country full special airplanes imaglnation plethora things wonderful projects ingenious ideas Too us labor under superficial delusion RC forever 50-in plane 40 englne look ads reassures us however us time evolve manner things kinds airplanes Variety spice life Life hobby terms becomes dreary avocation Folks like George keep evergreen dont have build eight-engined Spruce Goose hang onwhat encore early 60s Phil Kraft designed Ugly Stik published Grid Leaks thought Phil daftand frankly Stik stank ice Now 35 years later like would build remarkable-performing allaround ship kitted infinite variations probably built greater numbers other RC earth Variety just around corner anyone things like yours George remind us man must create fulfilled Modeling like George Thank Bill Winter 4432 Altura Ct Fairfax VA 22030 Can talltagain am now receiving some unusually difficult questions obvious impor tance ask letters outside normal field expertise writers state seem know answers dont knowledge Electrics RC Scale etc badly limited compared experience specialist columnists like Kopski Wischer will far better served such matters always addressing special columnist choice other magazines maga zine addresses ends col umns will take questions relating own planes projects refer deep stuff Normal mall always welcome essential continued prosperity fun column Henry T/Thomas Continued page 34 overflow tube beneath engine Drill another hole oil drain through cowl bottom rear Cut open top cowl provide access engine Finish shaping cowl fit flush against spinner leave clearance spring starter Block-sand cowl blend smoothly firewall used buty rate dope fuel-proof firewall cowl interior After much flying oil penetrated areas advise epoxy coating better durability Covering Take time thoroughly finesand entire model inspect uneven seams dents blemishes Go over Elmers spaclding paste dries quickly will easily cover areas Fine-sand filled places go over entire structure tac cloth remove dust grit particles recommend MonoKote its strength Cover fuselage sides first tacking MonoKote edges little reduced heat iron smooth down Let covering lap around edges about 1/~ Next cover top bottom trimming covering flush edges Cover stabilizer except joins fuselage fin Cover bottom surfaces first trimming edges flush top covering can lap around edges bit Epoxy stabilizer fuselage sight ing across fuselage top make sure alignment Add small strips pieces MonoKote cover assembly joints Cover fin ruddr similarly Since elevators tapered thinly soft material take care covering Cover bottom surfaces first trimming edges flush elevator may curl bit bottom covered will tend straighten top covering goes Lap edges under slightly point elevator horn mounted extending bolts cut ground off flush Join elevator stabilizer MonoKote hinge applying first nar row strip lower surfaces V raising elevator adhering film top strip flush slight clearance should provided prevent binding horizontal tail must completely mounted before fin can firmly ce mented place centerline Add MonoKote strips lap fin sta bilizer joint Carefully mark three hinge locations fin rudder drill holes accommodate hinge points Also drill hole tail wheel wire extension enters rudder near bottom Glue hinge points place moving rudder often glue sets Mount rudder horn grind extending mount ing bolts off flush Cover lower wing urfaces first Contiiued page 140 4Ye4//V R/C SPORT SHORT KITS THESE HIGH PERFORMANCE KNOCK AROUND FLYING MACHINES ARE EASY TO BUILD AND FUN TO FLY THEY ARE DESIGNED WITH PLENTY OF WING AND TAIL AREA FOR POSITIVE HIGH AND LOW SPEED CONTROL WE USE STRAIGHT FORWARD QUICK AND STURDY CONSTRUCTION THAT MAKES SENSE SHORT KITS INCLUDE PRECISION CUT FOAM WING CORES ABS HIGH INPACT FORMED COWLING CLEAR FORMED CANOPY WITH FRAMEWORK DETAIL STRONG FORMED STEEL ENGINE MOUNT EASY TO FOLLOW PLANS WITH CONSTRUCTION DETAILS AND ALL NECESSARY TEMPLATES PRE-CUT PLYWOOD FIREWALL LANDING GEAR BLOCKS STRAPS & SCREWS BILL OF MATERIALS NO BALSA INCLUDED PRICE PER KIT $2695TWO FOR $5000 WORLD WAR II FIGHTER SERIES JAPANESE A6M2 ZERO SPAN 544-CHANNEL 29 TO 45 ENGINE 4 LBS AMERICAN P-40 TOMAHAWK 29 TO 45 ENGINE SPAN 554-CHANNEL4 LBS GERMAN FW-19029 45 ENGINE SPAN 544-CHANNEL4 LBS ITALIAN c202 FOLGORE29 TO 45 ENGINE SPAN 544-CHANNEL4 LBS ORDERING SEND CHECK OR MONEY ORDER FOR REGUIRED AMOUNT PLUS $450 POSTAGE PER KIT CANADIANS ADD $650 TO WING MFG PO BOX 33 CRYSTAL LAKE IL 60014 ILLINOIS RESIDENTS ADD 6% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND $350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM CORE REPLACEMENT WINGS ACCESSORIES KITS TOOLS AND MUCH MORE PHONE 815 459-0417 FOR FAST COD SERVICE BYMF6 QUALITY PRODUCTS SINCE 1964 June1986 137
Edition: Model Aviation - 1986/06
Page Numbers: 18, 19, 20, 21, 22, 24, 26, 136, 137
Bill Winter 0 K Plane TalL AS JACKIE GLEASON used say sweet flying African-drought stage nice things rain like manna Heaven Ive Purple Planned way through exciting Electric model motor cabin bulk head prop speed reduction long extension shaft big folding prop sin gnawing way through incredible Kadet Senior latter novel approach trainer like big airplanes can fly like Free Flight offer fun blokes like well gluing together Old-Timer-like sticks fun thing dont need trainer Im trying strange spoiler combination out usual tch allows use individually no ailerons Se nior doing can have proportional openings wish can CAR cross control rudder mode Please dont ask. Lord knows what may ginesthe Baby Cyclone price tag $1500 still bit much thanks Irv Polk got wholesale $900 Old Square Sides flew off board always have colossal luck admit being Rubber Scale flier school hard knocks long stralght takeoff wide shallow climbing turn left Several years later published Air Trails could say no boss discretion being better part valor used middle name John Sprague airplane forgotten nearly haIfa century Enter Bill Northrop ModelBuilder Some guy Alaska keep eye him submitted Northrop picture version floats caption saying John Spragues ship would future construction project As prank rushed three-view Model Aviation under own name both items appeared simul taneously Northrop wondered organiza tion leaking Fun Model Builder has published revised Rookie prior tongue cheek Northrop asked check should made out John Sprague Now have picture Alaskan friends full-size Old Square Sides Dave Unruh uses OSS means Old Square Sides out-ofsight . Several years ago says Dave Unruh bought magazine called Classic Flying Models Au never heard Anyone have copy dont need great-looking OldTimer called Old Square Sides scaled magazine plans half-size replica built flew two years 020 049on floats off snow onto water wouldnt ROW due poor float design wheels twochannel RC finally Free Flight free up radio new plane Eventually Left 100 sq miles clear calm wilderness air myself says Dave Unruh describing memorable flight see text Antique-class Old Square Sides near Kenla Alaska has K&B 19 1 0-year-oid Expert radio six-footer says wont stall glide spin otherthan sailing aiong majesticaliy manages clawing loop forasrobatics nephewJohn Koll plc flies too Winterspun out ship hisfirst guess 1938 whata gassie BabyCyclone should iook ilke Unruh got plansfrom MB resurrected ancient model designed byJohn Sprague AKA Bill Winter Right BeforetheMB plans Unruh found oidAir Trails clips build 1/2-size version floats took off snow landed water poor float design prevented ROW Just two channels After two years forgot run tank down before launching Alaska big Winterwonders someday will found Wooily Mammoth revealed Ace RC has resident mixing board mad man loves like assume no-sense challenges mail remarkable its content Folks chat about truly amazing things themselves flyingand mixed bag adventures day bull session means talk other Nature may abhor vacuum Mother Nature must lost shopping malls shall turn loose remarkable people David Unruh Kenai Alaska involves very first gas model letter says lot about flying Old-Timers builders follow own lights typewriter mutters cryptic As twig bent grew tree rambleagain 1936 designed Old Square Sides knowing zilch about gassies already modeling 10 years Hardly anyone money Brown Jr $2150 engines $2150 common herd equivalent modern nine-cylinder four-stroke radial dream happened Col Moseley air school machine shop students assigned practical matter making en18 Model Aviation wna gooa ietover wingst Jiii ioerson noias asas omj scaica-up u-ice lOOK-aliKe called Big Tee50% bigger Rolls reluctantiy flies inverted Took 75% much timeto build asa new planeand costhim oniy$40 Tom says looks iikea home-built enjoys flying way 0S 30to changed OS Max 35 FP mainly cause club now requires mufflers looks like 0-Tee thinks stili Kadet Behold Mud Duck Winter professes find good airplane within ugly duckling disguise Tom Chipley its creator repressed cartoonist tongue-in-cheek cynic sticks pins balloons says Winter should recognize blood brother let mischief run riot designing yet another freedom fighter around leftover wing time Swizzle Stick 40 curious coyote can fatal warn mystery unravelled sort text flight shot youll notice man says good ship gets step Mud Duck grooves nicely landing Believe whole thing concocted emphasize beauties gem-like Saito Winter doubts kit maker would fail love it flies betterthan some kits Hed urge buy plans warm September afternoon forgot run tank down before launching flew away long life dope-and-tissue airplane After its demise found out design Great ordered pians ModelBuilder bui full-size year changed internal structure bit take advantage materials hand externally obvious change little less dihedral kept airfoiled stab pedestal empennage part character plane would lot easier make flat-plate stab mount directly upper stringers fuselage la Q-Tee lowering thrust line 19 mounted upright completely within Out lines cowling Power just right 103 prop all-up weight under 5 lb Radio 10-year-old World Expert five-channel REM have half rudder half elevator works wish put some down right thrust changes trim power setting balsa block cowling fits close would difficult adjust thrust angle now wont stall power off wont spin roll under circumstances loop after long dive always brings large groan bystanders claws its way over top makes What does fly about hundred flights far half other people flying also fly Great Planes CAP 21 ST 75 Its different kind fun vertical takeoffs snap rolls sort thing plane ahead ofme often CAP stimulant OSS sedative would like describe best day flying ever Old Square Sides Dave continues wife camped shore Kenal Lake along narrow glacialfed lake waters nearly-opaque jade color surrounded mountains camp ground features gravel bar protruding lake about 100 ft extending along shore about same distance After studying gravel bar thought could get away few flights afrald springy gear would cause nick prop coarse gravel ROGed hand-launched hundred square miles clear calm wilderness air myself 1500 ft white-and-orange model like tiny jewel against blue sky engine failed would have forced make tricky dead-stick spot landing choose between cold water Kenal Lake thick spruce forest back K&B 19 its peak however chugged along quarter-throttle 10 minutes came time land throttled way back few minutes OSS down 50 feet Down wind leg entered altitude about 200 ft out over lake brightly-colored ship framed beautifully lush green moun tainside flew About 200 yards past gravel bar made wide 180 onto final using turn burn off what altitude left As OSS settled down over water gentle bank could pick up reflection calm surface images inches apart wheel wheel eased throttle forward holding just apart point talk myself keep becoming hypnotized vision two airplanes tight formation inverted bottomless sky Just over edge bar pulled throttle way over OSS bounced stop far edge did four timeswhat gas Unruh sounds like modeling bush pilot others huge state once called Sewards Folly modeling missionary 1984 took unique project local grade school has program gifted/talented kids called QUEST class period day spent especially challenging fun projects Dave teacher hes fire department shift officer volunteered Twice week teacher eight students build Sig Cabinaire Sig Tiger Neither teacher nor students built models before kids fifth-graders models built entirely class flew Unrubs current projects include Flyline Models Great Lakes Trainer simulated five-cylinder radial using OS 40 four-stroke four dummy cylinders refinishing CAP 21 skis building three-channel Arctic Tern latter h-scale version oncefamous Interstate Cadet now manufactured Alaska Tern rate three year Modified tips anew cowling aroundthe 150hp Lycoming double power wartime trainer looks like model model distinctive fm rudder shape give away its Interstate origins Its said superb bush plane Like writer Dave loves out-of-production K&B-Veco ud think didnt have other engines Several club members also building Terns plans regret cant squeeze pictures thingsespecially kids stretch-winding rubber jobsand mass launching Welcome please Tom Elberson De fiance OH saga Big Tee Tom off-and-on modeler 35 46 years acquired aero mechanical engineering de Ever since SAM approved Winters Old Square Sides Antique WOG Vaga bond Old-Timers old boy says hes beengettingaraftofVagpics EdLambsent Ohisson 60-powered FF builtfrom orig inal kit Eagle plans Lamb says hes really enjoying Photo annual Misery Meet Ft Lewis WA co-sponsored Strat-O-Bats Boeing Hawks regular AMA events SAM B Old-Timers grees wife four children busy career during intermission 16 built first RC Lou Andrews Beam after beginning Control Line Free Flight About 10 years ago returned thousands normal life via Sig three-channel Kadet 1 finally made joyful decision roll own nifty Q-Tee cousin Everybody can designer days Toms years experience lying fallow wonder took him long procrastinating Incidentally has diskette Multimate software IBM PC letter includes article building flying full-size plan Im blown away guys word processors write beautiful treatises instead letters like neohunt andpeck rockheads like Some elegant quotes Last fall after outside chores done Elberson begins looking modeling project vety inexpensive two oldest kids now college dusty old Kadet wing left after crash useless hull Q-Tee strained through tree given friend before moved town gave idea design fuselage parasol-type airplane similar Q-Tee bigger could use Kadet wing hardware including engine June1986 19 radio wheels etc Kadet still good would come handy keep costs down made few measurements Q-Tee possible before throwing garbage decided scale up about 50% based its Kadets wingapans About 30 hours designing drafting later full-size plans Big Tee name seemed appro priate completed following gives construction procedure also some I1/8 1 I thinking behind structural design Au Toms instructions uniquely read able spiced thought logic say must keep moving along However cant resist giving excerpt followed comments flying bird Its good stuff design Big Tee fuselage influenced crash experience Kadet design Contender Tom relates impact force during crash determined time therefore distance over impact occurs greater crush distance less force Au Col lapse structure important full-size aircraft Globe Swift being notable example Kadet has aluminum engine mounts attached less toward center firewall momentum aircraft aft firewall taken up transferring loads through sides top bottom fuselage 20 Model Aviation Left Separation Piggybacked George Hendersons Teiemaster40 Gently Ladyfloats free soar pica drawings two pages relate Hendersons system Hes replaced K&B 40 OS 50 get launching altitude quickly big heavy Sailpianes Hes over 350 launches fall 1985 fellow club member has duplicated setup Bridi 40 Loadmaster now club can take up lots gliders mother ships Right Telemaster dwarfed big Paragon Gliders up Two-Meter size can launched stock single-tailed Telemaster triple-tailed version handles big Jobs better flies bet ter itself Note double-truck wheels required because soft silt surface interfered composite takeoffs Left Parts consist just two supports gilder wings fore aft supportaforthe fuselage andthe center release mechanism Parts detach easily fiying Teiemaster its own Wide spacing four supports prevents airborne rocking gilderotherwise certain aileron use Above Launching apparatus place ready take gilder Note inverted U guard/guide atop middle fin Author invento Geurge Henoerson Hat patch says Society Aircraft Demolish important thing picture simple pushrod arrangement operate three ersSAD MemberSmaiiiettersatthebot- rudders precisely Theres ailerontype bail link center rudder cievis rods tom Latin Aircraftus Frnamentus ball link attachments outboard rudders Sturdy aear truck-ilke wheeis show ciearlv TAPE OF FU I/a June1986 21 WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BALSA SNEL1I N 4r 30 1/16233 3/322 40 1/8243 3/16249 114 n2 56 1/32337 1/20337 1/16337 4931 3/32344 5937 1/8 ,3547145 3/16363 9255 1/4 3739561 5/16385 3/8 38812471 1/2 3115155 3/4 3185 1/164597649 3/324 75 9456 1/8 4 8010666 3/164 9312275 1/4 411513686 3/8 4165225 1/2 4225261 MATCIED SMUTS 42 3/324100 1/84106 3/164120 1/44131 BALSA STICKS 3640 1/16 1/409 1/16 3/810 1/16 1/214 3/32 1/410 3/32 3/812 3/32 1/216 1/5 1/806 1/8 1/411 1/8 3/612 1/8 1/216 3/153/1611 3/16 3/817 3/16 1/222 1/4 1/416 1/4 3/519 1/4 1/221 1/4 3/434 1/4 140 5/165/1621 3/8 3/827 3/8 1/232 3/8 3/442 3/8 152 1/2 1/234 1/2 3/446 1/2 159 5/8 5/948 3/4 3/467 BALSA HOT LINE Cd 506 745-6394 10mm- 6pm Ceutral rime LONE STAR MODELS 123 57th St LubhDEk TX 79412 v113 BALSA TRIANGLES N 4425 3/83630 2 235 34 3445 55 6 S BALSA PLANKSN 2465 6 250 3200 304266 2411/23275 2811/24300 3022225 4423325 24435 2933495 3734698 46 55 TAPERED SHEETSN 1/4265TRMLNEI EDGEN 531/43851/4132 623/52655/1611/439 3/53963/91 1/246 1/231251/2270 LONE STAR EPOXY 9,Lil645 51,598 15mm596 30,598 MS rANT CL VE 1 e Thck298 Thi299 2cm Thick550 2, Thin550 CUSTOM CUT CONTEST BALSA Sheets Piece ed Close Tolerances AAA Grade Dried ped 100% a serious modeler want performance must try 4-6 lb balsa LIGHT 4-6 LB WOOD36 1/32349 1/20349 1/16349 3/32355 1/8367 3/16375 1/4355 3/83115 1/23139 3/43220 13300 1/16478 3/32491 1/84100 3/164117 1/44139 3/84207 1/24293 BASSWOOD48 3/163/1625 3/161/430 3/163/639 3/161/246 3/163/400 1/41/442 1/43/949 1/43/465 3/83/800 3/81/270 3/83/490 1/21/200 1/23/4100 BUNDLE DEALS 20-1/5330685 201/164301025 20-3/32330840 153/32436955 151/5330715 101/8430675 153/16336500 103/16430610 101/4330630 101/4430890 10-3/8339800 53/8430625 51/2330540 51/2430855 103/32446845 51/8446465 53/16446565 51/4446625 P8HZ STICKS 36 48 1/81/81317 1/814/633 1/83/82027 3/163/161724 3163/82332 3/161/23040 1/41/42537 1/43/83042 141/23447 3/9 3/8 37 52 SPRUCE STICKS N 48 1/8 1/815 1/8 141824 1/53/82529 3/16 3/162534 1/4 1/43145 1/4 3/83050 3/8 3/54563 3/8 1/25570 1/2 1/28066 13 3/45998 SPRUCE TRIANGLES N 3/53/845 1/21/261 3/4 3/477 HARD MAPLE 1/4 3/5 3/83/5 3/81/2 3/53/4 123/4 ERICH DOWELS 1/5 3/16 1/4 5/16 3/8 IS 40 45 50 59 55 N 09 11 14 25 32 3P9YB*RCH 48 1/6412525 1/3212425 1/1612435 1/512400 SPLYBIRCN48 3/3212070 1/812585 3/1612565 1/412600 GROOVED LA MOUNTS 12 Imches LITE PLY 483/83/4/1/8/ 1/561503/83/4/5/32/ 1/8133001/23/4/3/16/ 46 46 45 Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO accpl Visa Masts Card personal checks COD 4-1/8% Ia icr Teas US crrency Mini,, Order 01000 S-em firewall mounts engine likely event engine/prop strikes ground first Since aluminum mounts wont give much crash engine doesnt usually give much crush distance ahead firewall short impact loads high directly transferred tend buckle firewall just what happened case once firewall collapsed rest aircraft easily failed no way make model crashproof course Contenders engine-mounting system seems better standpoint uses maple wood mounts glued along sides fuselage clear back second former soft n balsa block glued front mounts cowl soft balsa well So after engine buries prop shaft balsa starts crush during crash aft loads taken directly through mounts least thats theory used mounting system other feature liked about Con tenders construction what call spine piece -in balsa sheet running front back having shape planform fuselage pin plans first glue sides around formers Thus shape alignment fuselage assured made inside fuselage width exactly 3 spine formers use full 3 balsa width saving cutting wasted material can later build turtleback tank compartment hatch above give aircraft realistic shape.. some trepidation take first design flying field Tom says Will fly Will flying buddies chuckle under breath Im sure aircraft benefits greatly its Kadet wing positioned same incidence Kadet tail moments typical wing loading 185 oz/sq ft fine So give best pilot field watch What joy see ROG out grass behind old trusty OS 30 walt Continued page 24 22 Model Aviation * Special Detergents help prevent varnish promote clean burning * Rust Preventatives protect expensive engines corrosion SIG CHAMPION 2-STROKE FUEL FREE SHIPPING ON ORDERS OVER $1500COLLECT PINTQUARTGALLON55 GAL DRUM 0% Nitromethane$315$450$1050$19000 5% Nitromethane$365$525$1250 10% Nitromethane$415$550$1450$32500 15% Nitromethane$430$625$1650 25% Nitromethane$495$750$2095 35% Nitromethane$575$875$2495 SIGPREMIUM4-STROKE FUEL 10% Nitromethane$415$550$1395$29500 15% Nitromethane$425$625$1595 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending fuel finest quality ingredients available alcohol 995% pure very best grade available nitromethane use 100% pure get honest portion based % volume masimum lubrication get perfect 50/50 blend Bakers AA Castor Oil Kiotz Techniplate Racing Oil protect expensive engines finest quality fuel can made price Dont take word try some ludge yourself See dealer first available order direct Call ____ 800-247-5008 toll free orders Latest Catalog $3 SIG MANUFACTURING CO Montezuma IA 50171 PrrCOS suSiect change withojat note show signs structural problems maneu vers become energeticdives loops spins etc After test pilot puts through rigorous set flight conditions hands trans mitter first thing notice similar flies Kadet did feel flight control surfaces bit too sensitive have subsequently changed neutral rudder elevator used able roil Kadet big barrel roll Big Tee just didnt seem want come around Its spins better however will well inverted maybe Im just prejudiced looks better especially air has look homebuilt experimental aircraft 8-oz tank gives up 20 min flight time Kadets 6-oz tank gave 10 12 mm often wanted first tail-dragger RC first successful takeoff really third try since using grass takeoffs since aircraft overpowered didnt feel frustrated problems Because going mandatory mufflers flying field am going replace theoldOS 30withanewOSMax3SFPwith muffler should give plenty power really affect weight since can remove some nose weight install model plain very functional Easy economical build fun fly took about three-fourths time build Kadet Contender did Although started wing aiready built did include design drafting time would have easily enough build wing leftovers Kadet other surplus ma terials cost little over $40 out pocket has given lot joy know folks concoct new planes using old wings bored some old model sketch something different Youve heard about flsbheads fish tails Leftovers washouts Often wing survives What great way combine imagination saving time money Presto have very own one-of-a-kind conversation piece Hey looks nice flies great What kit rafters filled nice old wings potential future get back air epi sodes ugly duckling What see look airplane Tom Chipleys Mud Duck looks like contender worlds ugliest airplane Its between-the-lines statement whimsical functional talks Its really clever Tom Chipley suspect ebullient optimist wry slayer pretentious dragons know trying read letters easy says Tom sticking pin balloon Compounding problem delightful stream consciousness Au Aw gee fact have forgotten what said letter assume what say must have said something about sending photos Well two letters second bearing postscript approximately 700 words long Elec tric guys will love another issue now back Mud Duck OK asked Chipley prods Pho tos stuff make fly out Great Dark Away pressures peers Au theme song slip something com fortable just lay back Au Chip talking airplanes parts pieces airplanethe kind enjoy fuselage built Electric turned out too heavy nose plane present firewall portions Continued page 26 24 Model Aviation U U ALL PURPOSE FOAM CU1TER Hands Off Cut II Especially Designed Tapered Wings HANDS OFF CUT II unique device cutting high quality foam wing cores hands off also cuts both sides same time Most modelers will amazed high quality smooth surface will achieve using device plus added advantage having wait until friends can come around help However just foam wing cutter HANDS OFF also capable cutting precision foam components such fuselage sections cowls tail surfaces HANDS OFF available hardware package assemble own board HANDS OFF CUT II requires 24 volt variable output power supply Easy assemble s approximately 15 minutes Dealers WantedHands Off Cut II Hardware Pkg$8750 plus $3 ship ft hand 24 Volt Variable Output Power 0 pius $3 ship ft hand ///~ NORRAY PRODUCTS INC 5 008 Sandbeach Road Wichita Falls TX 76310 Tel 81116924475 POSI -CURETM CYANOACRYLATE SPECIAL INTRODUCTORY OFFER ListSaleSavings 1 oz Fast Cure 3-5 Sec495$24500/0 Off 2 oz Fast Cure 3-5 Sec895$396560/0 Off 1 oz Gap-Filling 5 Sec$250% Off 2 oz Gap-Filling 5 Sec895$39656% Off OUR GUARANTEE TO YOU satisfied POSI-CURE please return unused portion within 30 days full refundNo questions asked SHELDONS HOBBY SHOP 3157 Alum Rock Ave Jose CA 95127 FOR ORDERS ONLY PLEASE 800 2283237e408 251-0789 Out State INFO 408 251-0787 California 0 SHIPPING per order Hours Mon-Wed Fri & Sat 930530 FAST SERVICE Thur 930-900 1200-500 COD ADD $1 90 48 span 5 2-4cycle 3ChannE Easily converted electric celient sor tne negmn nor can set up challenge expert hand cut kit*3996 Super50Span1S-25 Pronto2-4 cycle annel Same excellent qualities Pronto aerobetic ailerons*4995 Square48 span sq Shooter 25.4524cycle4chnl Can customized suit taste pure hot rod rear exhaust tuned pipe ass docile very aerobatic Sunday Flyer 25 40 Easy build hand cut kit 5996 Available dealer order direct Add *200 shipping additional *200 COD save COD sand check money order VA Ras add 4% sales tax TIDEWATER HOBBY ENTERPRISES Route 1 Box 241 D Lanexa Virginia 23089 804-966-5092 what would prefer things turned out Hayes engine mount fit plywood nose exactly wing Swizzle Stick 40 did fly wanted comedic designer explains stab stressed skin Vi2 sheet over few Vie ribs structure built canard design stillborn landing gear directly brown paper bag holds remains Robin Hood fell victim literally faulty radio signal wheels have flown almost planes since 1981 talisman simply decora tion love way look engine little jewel aluminum steel bronze chrome plate miniature valves pushrods flaunting function air Saito 30 chosen choice mostly aesthetic Internal combus tion engines have fascinated long care remember charm power speed rather something harder communicate someone has never spread engine out floor bench gone through part find hiding fault rejoiced perfection casting forging ma chining visible explorer inner realm Au Dont fourstroker youll sorry seethe beauty Model T Ford Citroen 2CV Ferrari 12 cylinder Jaguar 6 see something beyond name power something unites other machines man Saito 30 its exposed valve assembly leading side cylin der irresistible plane bears engine should same spirit reflection function overstatement power speed Fine qualities salute function Function fuselage flight surfaces serve doing little regard aesthetics define complement engine engine leads way arrogant its func tion flies see what have wanted see RC planes since first began building flying few years back see relaxed comfortable combination airframe power plant does have compare itself other easy fly yet responsive Takeoffs very stable mild crosswind Landings slow floating plane enjoy just fun Well Isee got tad wordy having read material few years feel am good company yet still running catch up specifics plane span 60 chord 10 horizontal stab 25 x 5 stab area 125 sq prop 10-6 fuselage length spinner end elevator 46 weight 62 oz 387 lb wing loading 96 lb/ft2 1536 oz/ft2 wing area 402 sq ft Hes serious statement Functional Flat windshield wood painted windows flat fuselage top modest incidence built stability flat-bottom wing flat angied nose top bottom open-air engine mounting flat fuselage bottom handy strap-on doublestrut gear sweepback vertical tail save perdition angled rudder hinge line helps keep wing tip up rudder turns low ample rudder area plenty rudder power throw-around three-channel aerobatics minimum rotational force around roll axis improved spiral stability turns sectioned stab always better flat stab tail perhaps downwash reasons maybe whimsical jet-age stuff anyway straight up slab would too ugiy prankish Chipley Continued page 136 26 Model Aviation L Dave Robelens Playmate Featured Aprii 86 Model Aviation 3 Channel port-Fun Fly 25 cycle Fast assembly hand cut kit*4996 Pronto EASY TO NDCRAFTED KITS AT LOW PRICES VVII l F.A.JI OL III60 Length 53 inEngine 60Leng its include Pre-built fiberglass fuselage foam cores shaped strip ailerons complete hardware pack SEND CHECK OR MONEY ORDER TO,. VISA & MASTER CARD ACCEPTED ZON MODELS INC T-404 Kelly Ave Manchester NH 03103 603 627-9503 Safety/Preston Continued page 133 respondent opposed man dating pilot location club field nevertheless very concerned about radios interfering another enclosed let ter club sent AMA President John C Grigg expressed clubs con cern about ability radio manufacturers manufacture equipment will operate successfully frequency spacing tween channels reduced not-toodistant future Perhaps mandatory pilot-saving may way operate after 1991 Question No 6 Ten readers submitted other suggestions concerning safety RC flying fields Briefly summarized follow Get rid hotdoggers always edge wrong side flying safely Reduce interference having good clean primary-channel output Tx Good product review boards Everything magazines comes Out good have problems field Radio manufacturers should provide connec tors accommodate ESVs battery checks Increased punishment following already-set rules Get needle valve away spinning FAIRCHILDS MAGNIFICENT TANK KILLING A-b THUNDERBOLT H WARTHOG IN RELIABLE PROP VERSION SB WING SPAN FOR 60 ENGINE Plan No 104 $1400 postage paid wilkin USA N J resideols odd 6% soles tax RFM Design Research PO BOX 2393 VINCENTOWN NJ 08088 prop club have safety officers Experienced RCers pass knowledge newcomers Enforce rule keep spectators Out pits Ground models visual damage poor improper workmanship Maybe some video tapes scare guys couldnt care less about safety Have first aid kit possible telephone field emergencies Classify trainer models Primary Basic Advanced time read column will see May Safety column has addressed subject trainer models really arent trainers situation above respondents covered some length let ter havent already responded re quest May column thoughts classifying trainers Basic Advanced categories Im still interested hearing want thank responded reader questionnaire intend pass results AMA Safety Committee sug gest review Dave Abbes suggestions exception Question No 3 fail-safe throttle part Question No 5 ma jority readers appears agree Dave Have safe month Jo/in Preston 12235 Ti/den wood Dr Rock v/lie MD 20852 Plane Talk/Winter Continued page 26 curved fuselage lines beautify ugliness after cant see meticulously-done decorations mysterious panels lettering like military planes sort thing think Cut extract pilot am sure maybe neat rectangles inked portray locations airborne equipment Love mean-nothing arrows especially merely points jewel-like Saito inspired Chipley craft wonder Ye gods knows what doing flies great everyone can make statement note flight shot landing shows flies step Telemaster bonanza informational value itemjustifies break traditional format column data would make fine article magazine George Hen derson charter member Fallbrook RC Flyers California says has neither time talent lities produce article acceptable magazine wishes make system available other fliers Heres letter verbatim enjoyed very much too wish share Obviously impossible within column include detailed instructions provide full-size drawings authors feeling modelers level will able deduce combination photos drawings system works will able duplicate customize necessary parts Hender sons material normally would comprise fourpage article case would want contact him please write George Henderson 3662 Northcliff Dr Fallbrook CA 92028 Ive got 40-size Telemaster has real delight George tells us Au bralns Id make Telemaster hackers cannot better Ive currently made over 350 glider launcheseverything 2 x 4s Gentle Ladies Oly 650s Oly us overweight Para gon Mark Smiths Sensor 117 numerous unknown designs close full set parts friend can make installation Telemaster similar plane try design improve see fit 136 Model Aviation 4 EngIne 4U sheeted balsa machine cut balsa tail surfaces FREE FLIGHT SUPPLIES FAI Rubber Japanese Tissue Rubber Lube Nitrate Dope Front End Bearings Assemblies Crocket Hooks DT Fuse KSB Timers Cox Engines & Parts Kits Blue Ridge Peck Midway Micro-x others ox 5996 -Lake Worth FL 33461 CATALOG $100 others can enjoy fellow club members added installation Bridi 40-powered Loadmaster does beautiful job launching everything up through Oly us club now loaded two glider launchers went through three different versions before arriving present system first thing youll note triple tail first Tele master strictly stock tail sections larger gliders interfered fin rudder T cut center fin rudder added two outboard fins rudders now can launch just about anything Telemaster will handle Two-Meter jobs original center fin Flight characteristics seem bit improved triple tailjust fun flying no glider Originally powered K&B 40 did satisfactory job George goes larger gliders have considerably weight drag took couple circles get altitude now use 05 50 can handle anything quite easily other thing may notice photos dual truck-like tires glidertowing requirement flying field has about 2 fine silt top plane glider used mire down during taxi takeoff Although dual wheels add weight solve ground problems Incidentally just take off four wire parts plane goes back normal photos taken various club members have no camera George thank country full special airplanes imaglnation plethora things wonderful projects ingenious ideas Too us labor under superficial delusion RC forever 50-in plane 40 englne look ads reassures us however us time evolve manner things kinds airplanes Variety spice life Life hobby terms becomes dreary avocation Folks like George keep evergreen dont have build eight-engined Spruce Goose hang onwhat encore early 60s Phil Kraft designed Ugly Stik published Grid Leaks thought Phil daftand frankly Stik stank ice Now 35 years later like would build remarkable-performing allaround ship kitted infinite variations probably built greater numbers other RC earth Variety just around corner anyone things like yours George remind us man must create fulfilled Modeling like George Thank Bill Winter 4432 Altura Ct Fairfax VA 22030 Can talltagain am now receiving some unusually difficult questions obvious impor tance ask letters outside normal field expertise writers state seem know answers dont knowledge Electrics RC Scale etc badly limited compared experience specialist columnists like Kopski Wischer will far better served such matters always addressing special columnist choice other magazines maga zine addresses ends col umns will take questions relating own planes projects refer deep stuff Normal mall always welcome essential continued prosperity fun column Henry T/Thomas Continued page 34 overflow tube beneath engine Drill another hole oil drain through cowl bottom rear Cut open top cowl provide access engine Finish shaping cowl fit flush against spinner leave clearance spring starter Block-sand cowl blend smoothly firewall used buty rate dope fuel-proof firewall cowl interior After much flying oil penetrated areas advise epoxy coating better durability Covering Take time thoroughly finesand entire model inspect uneven seams dents blemishes Go over Elmers spaclding paste dries quickly will easily cover areas Fine-sand filled places go over entire structure tac cloth remove dust grit particles recommend MonoKote its strength Cover fuselage sides first tacking MonoKote edges little reduced heat iron smooth down Let covering lap around edges about 1/~ Next cover top bottom trimming covering flush edges Cover stabilizer except joins fuselage fin Cover bottom surfaces first trimming edges flush top covering can lap around edges bit Epoxy stabilizer fuselage sight ing across fuselage top make sure alignment Add small strips pieces MonoKote cover assembly joints Cover fin ruddr similarly Since elevators tapered thinly soft material take care covering Cover bottom surfaces first trimming edges flush elevator may curl bit bottom covered will tend straighten top covering goes Lap edges under slightly point elevator horn mounted extending bolts cut ground off flush Join elevator stabilizer MonoKote hinge applying first nar row strip lower surfaces V raising elevator adhering film top strip flush slight clearance should provided prevent binding horizontal tail must completely mounted before fin can firmly ce mented place centerline Add MonoKote strips lap fin sta bilizer joint Carefully mark three hinge locations fin rudder drill holes accommodate hinge points Also drill hole tail wheel wire extension enters rudder near bottom Glue hinge points place moving rudder often glue sets Mount rudder horn grind extending mount ing bolts off flush Cover lower wing urfaces first Contiiued page 140 4Ye4//V R/C SPORT SHORT KITS THESE HIGH PERFORMANCE KNOCK AROUND FLYING MACHINES ARE EASY TO BUILD AND FUN TO FLY THEY ARE DESIGNED WITH PLENTY OF WING AND TAIL AREA FOR POSITIVE HIGH AND LOW SPEED CONTROL WE USE STRAIGHT FORWARD QUICK AND STURDY CONSTRUCTION THAT MAKES SENSE SHORT KITS INCLUDE PRECISION CUT FOAM WING CORES ABS HIGH INPACT FORMED COWLING CLEAR FORMED CANOPY WITH FRAMEWORK DETAIL STRONG FORMED STEEL ENGINE MOUNT EASY TO FOLLOW PLANS WITH CONSTRUCTION DETAILS AND ALL NECESSARY TEMPLATES PRE-CUT PLYWOOD FIREWALL LANDING GEAR BLOCKS STRAPS & SCREWS BILL OF MATERIALS NO BALSA INCLUDED PRICE PER KIT $2695TWO FOR $5000 WORLD WAR II FIGHTER SERIES JAPANESE A6M2 ZERO SPAN 544-CHANNEL 29 TO 45 ENGINE 4 LBS AMERICAN P-40 TOMAHAWK 29 TO 45 ENGINE SPAN 554-CHANNEL4 LBS GERMAN FW-19029 45 ENGINE SPAN 544-CHANNEL4 LBS ITALIAN c202 FOLGORE29 TO 45 ENGINE SPAN 544-CHANNEL4 LBS ORDERING SEND CHECK OR MONEY ORDER FOR REGUIRED AMOUNT PLUS $450 POSTAGE PER KIT CANADIANS ADD $650 TO WING MFG PO BOX 33 CRYSTAL LAKE IL 60014 ILLINOIS RESIDENTS ADD 6% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND $350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM CORE REPLACEMENT WINGS ACCESSORIES KITS TOOLS AND MUCH MORE PHONE 815 459-0417 FOR FAST COD SERVICE BYMF6 QUALITY PRODUCTS SINCE 1964 June1986 137
Edition: Model Aviation - 1986/06
Page Numbers: 18, 19, 20, 21, 22, 24, 26, 136, 137
Bill Winter 0 K Plane TalL AS JACKIE GLEASON used say sweet flying African-drought stage nice things rain like manna Heaven Ive Purple Planned way through exciting Electric model motor cabin bulk head prop speed reduction long extension shaft big folding prop sin gnawing way through incredible Kadet Senior latter novel approach trainer like big airplanes can fly like Free Flight offer fun blokes like well gluing together Old-Timer-like sticks fun thing dont need trainer Im trying strange spoiler combination out usual tch allows use individually no ailerons Se nior doing can have proportional openings wish can CAR cross control rudder mode Please dont ask. Lord knows what may ginesthe Baby Cyclone price tag $1500 still bit much thanks Irv Polk got wholesale $900 Old Square Sides flew off board always have colossal luck admit being Rubber Scale flier school hard knocks long stralght takeoff wide shallow climbing turn left Several years later published Air Trails could say no boss discretion being better part valor used middle name John Sprague airplane forgotten nearly haIfa century Enter Bill Northrop ModelBuilder Some guy Alaska keep eye him submitted Northrop picture version floats caption saying John Spragues ship would future construction project As prank rushed three-view Model Aviation under own name both items appeared simul taneously Northrop wondered organiza tion leaking Fun Model Builder has published revised Rookie prior tongue cheek Northrop asked check should made out John Sprague Now have picture Alaskan friends full-size Old Square Sides Dave Unruh uses OSS means Old Square Sides out-ofsight . Several years ago says Dave Unruh bought magazine called Classic Flying Models Au never heard Anyone have copy dont need great-looking OldTimer called Old Square Sides scaled magazine plans half-size replica built flew two years 020 049on floats off snow onto water wouldnt ROW due poor float design wheels twochannel RC finally Free Flight free up radio new plane Eventually Left 100 sq miles clear calm wilderness air myself says Dave Unruh describing memorable flight see text Antique-class Old Square Sides near Kenla Alaska has K&B 19 1 0-year-oid Expert radio six-footer says wont stall glide spin otherthan sailing aiong majesticaliy manages clawing loop forasrobatics nephewJohn Koll plc flies too Winterspun out ship hisfirst guess 1938 whata gassie BabyCyclone should iook ilke Unruh got plansfrom MB resurrected ancient model designed byJohn Sprague AKA Bill Winter Right BeforetheMB plans Unruh found oidAir Trails clips build 1/2-size version floats took off snow landed water poor float design prevented ROW Just two channels After two years forgot run tank down before launching Alaska big Winterwonders someday will found Wooily Mammoth revealed Ace RC has resident mixing board mad man loves like assume no-sense challenges mail remarkable its content Folks chat about truly amazing things themselves flyingand mixed bag adventures day bull session means talk other Nature may abhor vacuum Mother Nature must lost shopping malls shall turn loose remarkable people David Unruh Kenai Alaska involves very first gas model letter says lot about flying Old-Timers builders follow own lights typewriter mutters cryptic As twig bent grew tree rambleagain 1936 designed Old Square Sides knowing zilch about gassies already modeling 10 years Hardly anyone money Brown Jr $2150 engines $2150 common herd equivalent modern nine-cylinder four-stroke radial dream happened Col Moseley air school machine shop students assigned practical matter making en18 Model Aviation wna gooa ietover wingst Jiii ioerson noias asas omj scaica-up u-ice lOOK-aliKe called Big Tee50% bigger Rolls reluctantiy flies inverted Took 75% much timeto build asa new planeand costhim oniy$40 Tom says looks iikea home-built enjoys flying way 0S 30to changed OS Max 35 FP mainly cause club now requires mufflers looks like 0-Tee thinks stili Kadet Behold Mud Duck Winter professes find good airplane within ugly duckling disguise Tom Chipley its creator repressed cartoonist tongue-in-cheek cynic sticks pins balloons says Winter should recognize blood brother let mischief run riot designing yet another freedom fighter around leftover wing time Swizzle Stick 40 curious coyote can fatal warn mystery unravelled sort text flight shot youll notice man says good ship gets step Mud Duck grooves nicely landing Believe whole thing concocted emphasize beauties gem-like Saito Winter doubts kit maker would fail love it flies betterthan some kits Hed urge buy plans warm September afternoon forgot run tank down before launching flew away long life dope-and-tissue airplane After its demise found out design Great ordered pians ModelBuilder bui full-size year changed internal structure bit take advantage materials hand externally obvious change little less dihedral kept airfoiled stab pedestal empennage part character plane would lot easier make flat-plate stab mount directly upper stringers fuselage la Q-Tee lowering thrust line 19 mounted upright completely within Out lines cowling Power just right 103 prop all-up weight under 5 lb Radio 10-year-old World Expert five-channel REM have half rudder half elevator works wish put some down right thrust changes trim power setting balsa block cowling fits close would difficult adjust thrust angle now wont stall power off wont spin roll under circumstances loop after long dive always brings large groan bystanders claws its way over top makes What does fly about hundred flights far half other people flying also fly Great Planes CAP 21 ST 75 Its different kind fun vertical takeoffs snap rolls sort thing plane ahead ofme often CAP stimulant OSS sedative would like describe best day flying ever Old Square Sides Dave continues wife camped shore Kenal Lake along narrow glacialfed lake waters nearly-opaque jade color surrounded mountains camp ground features gravel bar protruding lake about 100 ft extending along shore about same distance After studying gravel bar thought could get away few flights afrald springy gear would cause nick prop coarse gravel ROGed hand-launched hundred square miles clear calm wilderness air myself 1500 ft white-and-orange model like tiny jewel against blue sky engine failed would have forced make tricky dead-stick spot landing choose between cold water Kenal Lake thick spruce forest back K&B 19 its peak however chugged along quarter-throttle 10 minutes came time land throttled way back few minutes OSS down 50 feet Down wind leg entered altitude about 200 ft out over lake brightly-colored ship framed beautifully lush green moun tainside flew About 200 yards past gravel bar made wide 180 onto final using turn burn off what altitude left As OSS settled down over water gentle bank could pick up reflection calm surface images inches apart wheel wheel eased throttle forward holding just apart point talk myself keep becoming hypnotized vision two airplanes tight formation inverted bottomless sky Just over edge bar pulled throttle way over OSS bounced stop far edge did four timeswhat gas Unruh sounds like modeling bush pilot others huge state once called Sewards Folly modeling missionary 1984 took unique project local grade school has program gifted/talented kids called QUEST class period day spent especially challenging fun projects Dave teacher hes fire department shift officer volunteered Twice week teacher eight students build Sig Cabinaire Sig Tiger Neither teacher nor students built models before kids fifth-graders models built entirely class flew Unrubs current projects include Flyline Models Great Lakes Trainer simulated five-cylinder radial using OS 40 four-stroke four dummy cylinders refinishing CAP 21 skis building three-channel Arctic Tern latter h-scale version oncefamous Interstate Cadet now manufactured Alaska Tern rate three year Modified tips anew cowling aroundthe 150hp Lycoming double power wartime trainer looks like model model distinctive fm rudder shape give away its Interstate origins Its said superb bush plane Like writer Dave loves out-of-production K&B-Veco ud think didnt have other engines Several club members also building Terns plans regret cant squeeze pictures thingsespecially kids stretch-winding rubber jobsand mass launching Welcome please Tom Elberson De fiance OH saga Big Tee Tom off-and-on modeler 35 46 years acquired aero mechanical engineering de Ever since SAM approved Winters Old Square Sides Antique WOG Vaga bond Old-Timers old boy says hes beengettingaraftofVagpics EdLambsent Ohisson 60-powered FF builtfrom orig inal kit Eagle plans Lamb says hes really enjoying Photo annual Misery Meet Ft Lewis WA co-sponsored Strat-O-Bats Boeing Hawks regular AMA events SAM B Old-Timers grees wife four children busy career during intermission 16 built first RC Lou Andrews Beam after beginning Control Line Free Flight About 10 years ago returned thousands normal life via Sig three-channel Kadet 1 finally made joyful decision roll own nifty Q-Tee cousin Everybody can designer days Toms years experience lying fallow wonder took him long procrastinating Incidentally has diskette Multimate software IBM PC letter includes article building flying full-size plan Im blown away guys word processors write beautiful treatises instead letters like neohunt andpeck rockheads like Some elegant quotes Last fall after outside chores done Elberson begins looking modeling project vety inexpensive two oldest kids now college dusty old Kadet wing left after crash useless hull Q-Tee strained through tree given friend before moved town gave idea design fuselage parasol-type airplane similar Q-Tee bigger could use Kadet wing hardware including engine June1986 19 radio wheels etc Kadet still good would come handy keep costs down made few measurements Q-Tee possible before throwing garbage decided scale up about 50% based its Kadets wingapans About 30 hours designing drafting later full-size plans Big Tee name seemed appro priate completed following gives construction procedure also some I1/8 1 I thinking behind structural design Au Toms instructions uniquely read able spiced thought logic say must keep moving along However cant resist giving excerpt followed comments flying bird Its good stuff design Big Tee fuselage influenced crash experience Kadet design Contender Tom relates impact force during crash determined time therefore distance over impact occurs greater crush distance less force Au Col lapse structure important full-size aircraft Globe Swift being notable example Kadet has aluminum engine mounts attached less toward center firewall momentum aircraft aft firewall taken up transferring loads through sides top bottom fuselage 20 Model Aviation Left Separation Piggybacked George Hendersons Teiemaster40 Gently Ladyfloats free soar pica drawings two pages relate Hendersons system Hes replaced K&B 40 OS 50 get launching altitude quickly big heavy Sailpianes Hes over 350 launches fall 1985 fellow club member has duplicated setup Bridi 40 Loadmaster now club can take up lots gliders mother ships Right Telemaster dwarfed big Paragon Gliders up Two-Meter size can launched stock single-tailed Telemaster triple-tailed version handles big Jobs better flies bet ter itself Note double-truck wheels required because soft silt surface interfered composite takeoffs Left Parts consist just two supports gilder wings fore aft supportaforthe fuselage andthe center release mechanism Parts detach easily fiying Teiemaster its own Wide spacing four supports prevents airborne rocking gilderotherwise certain aileron use Above Launching apparatus place ready take gilder Note inverted U guard/guide atop middle fin Author invento Geurge Henoerson Hat patch says Society Aircraft Demolish important thing picture simple pushrod arrangement operate three ersSAD MemberSmaiiiettersatthebot- rudders precisely Theres ailerontype bail link center rudder cievis rods tom Latin Aircraftus Frnamentus ball link attachments outboard rudders Sturdy aear truck-ilke wheeis show ciearlv TAPE OF FU I/a June1986 21 WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BALSA SNEL1I N 4r 30 1/16233 3/322 40 1/8243 3/16249 114 n2 56 1/32337 1/20337 1/16337 4931 3/32344 5937 1/8 ,3547145 3/16363 9255 1/4 3739561 5/16385 3/8 38812471 1/2 3115155 3/4 3185 1/164597649 3/324 75 9456 1/8 4 8010666 3/164 9312275 1/4 411513686 3/8 4165225 1/2 4225261 MATCIED SMUTS 42 3/324100 1/84106 3/164120 1/44131 BALSA STICKS 3640 1/16 1/409 1/16 3/810 1/16 1/214 3/32 1/410 3/32 3/812 3/32 1/216 1/5 1/806 1/8 1/411 1/8 3/612 1/8 1/216 3/153/1611 3/16 3/817 3/16 1/222 1/4 1/416 1/4 3/519 1/4 1/221 1/4 3/434 1/4 140 5/165/1621 3/8 3/827 3/8 1/232 3/8 3/442 3/8 152 1/2 1/234 1/2 3/446 1/2 159 5/8 5/948 3/4 3/467 BALSA HOT LINE Cd 506 745-6394 10mm- 6pm Ceutral rime LONE STAR MODELS 123 57th St LubhDEk TX 79412 v113 BALSA TRIANGLES N 4425 3/83630 2 235 34 3445 55 6 S BALSA PLANKSN 2465 6 250 3200 304266 2411/23275 2811/24300 3022225 4423325 24435 2933495 3734698 46 55 TAPERED SHEETSN 1/4265TRMLNEI EDGEN 531/43851/4132 623/52655/1611/439 3/53963/91 1/246 1/231251/2270 LONE STAR EPOXY 9,Lil645 51,598 15mm596 30,598 MS rANT CL VE 1 e Thck298 Thi299 2cm Thick550 2, Thin550 CUSTOM CUT CONTEST BALSA Sheets Piece ed Close Tolerances AAA Grade Dried ped 100% a serious modeler want performance must try 4-6 lb balsa LIGHT 4-6 LB WOOD36 1/32349 1/20349 1/16349 3/32355 1/8367 3/16375 1/4355 3/83115 1/23139 3/43220 13300 1/16478 3/32491 1/84100 3/164117 1/44139 3/84207 1/24293 BASSWOOD48 3/163/1625 3/161/430 3/163/639 3/161/246 3/163/400 1/41/442 1/43/949 1/43/465 3/83/800 3/81/270 3/83/490 1/21/200 1/23/4100 BUNDLE DEALS 20-1/5330685 201/164301025 20-3/32330840 153/32436955 151/5330715 101/8430675 153/16336500 103/16430610 101/4330630 101/4430890 10-3/8339800 53/8430625 51/2330540 51/2430855 103/32446845 51/8446465 53/16446565 51/4446625 P8HZ STICKS 36 48 1/81/81317 1/814/633 1/83/82027 3/163/161724 3163/82332 3/161/23040 1/41/42537 1/43/83042 141/23447 3/9 3/8 37 52 SPRUCE STICKS N 48 1/8 1/815 1/8 141824 1/53/82529 3/16 3/162534 1/4 1/43145 1/4 3/83050 3/8 3/54563 3/8 1/25570 1/2 1/28066 13 3/45998 SPRUCE TRIANGLES N 3/53/845 1/21/261 3/4 3/477 HARD MAPLE 1/4 3/5 3/83/5 3/81/2 3/53/4 123/4 ERICH DOWELS 1/5 3/16 1/4 5/16 3/8 IS 40 45 50 59 55 N 09 11 14 25 32 3P9YB*RCH 48 1/6412525 1/3212425 1/1612435 1/512400 SPLYBIRCN48 3/3212070 1/812585 3/1612565 1/412600 GROOVED LA MOUNTS 12 Imches LITE PLY 483/83/4/1/8/ 1/561503/83/4/5/32/ 1/8133001/23/4/3/16/ 46 46 45 Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO accpl Visa Masts Card personal checks COD 4-1/8% Ia icr Teas US crrency Mini,, Order 01000 S-em firewall mounts engine likely event engine/prop strikes ground first Since aluminum mounts wont give much crash engine doesnt usually give much crush distance ahead firewall short impact loads high directly transferred tend buckle firewall just what happened case once firewall collapsed rest aircraft easily failed no way make model crashproof course Contenders engine-mounting system seems better standpoint uses maple wood mounts glued along sides fuselage clear back second former soft n balsa block glued front mounts cowl soft balsa well So after engine buries prop shaft balsa starts crush during crash aft loads taken directly through mounts least thats theory used mounting system other feature liked about Con tenders construction what call spine piece -in balsa sheet running front back having shape planform fuselage pin plans first glue sides around formers Thus shape alignment fuselage assured made inside fuselage width exactly 3 spine formers use full 3 balsa width saving cutting wasted material can later build turtleback tank compartment hatch above give aircraft realistic shape.. some trepidation take first design flying field Tom says Will fly Will flying buddies chuckle under breath Im sure aircraft benefits greatly its Kadet wing positioned same incidence Kadet tail moments typical wing loading 185 oz/sq ft fine So give best pilot field watch What joy see ROG out grass behind old trusty OS 30 walt Continued page 24 22 Model Aviation * Special Detergents help prevent varnish promote clean burning * Rust Preventatives protect expensive engines corrosion SIG CHAMPION 2-STROKE FUEL FREE SHIPPING ON ORDERS OVER $1500COLLECT PINTQUARTGALLON55 GAL DRUM 0% Nitromethane$315$450$1050$19000 5% Nitromethane$365$525$1250 10% Nitromethane$415$550$1450$32500 15% Nitromethane$430$625$1650 25% Nitromethane$495$750$2095 35% Nitromethane$575$875$2495 SIGPREMIUM4-STROKE FUEL 10% Nitromethane$415$550$1395$29500 15% Nitromethane$425$625$1595 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending fuel finest quality ingredients available alcohol 995% pure very best grade available nitromethane use 100% pure get honest portion based % volume masimum lubrication get perfect 50/50 blend Bakers AA Castor Oil Kiotz Techniplate Racing Oil protect expensive engines finest quality fuel can made price Dont take word try some ludge yourself See dealer first available order direct Call ____ 800-247-5008 toll free orders Latest Catalog $3 SIG MANUFACTURING CO Montezuma IA 50171 PrrCOS suSiect change withojat note show signs structural problems maneu vers become energeticdives loops spins etc After test pilot puts through rigorous set flight conditions hands trans mitter first thing notice similar flies Kadet did feel flight control surfaces bit too sensitive have subsequently changed neutral rudder elevator used able roil Kadet big barrel roll Big Tee just didnt seem want come around Its spins better however will well inverted maybe Im just prejudiced looks better especially air has look homebuilt experimental aircraft 8-oz tank gives up 20 min flight time Kadets 6-oz tank gave 10 12 mm often wanted first tail-dragger RC first successful takeoff really third try since using grass takeoffs since aircraft overpowered didnt feel frustrated problems Because going mandatory mufflers flying field am going replace theoldOS 30withanewOSMax3SFPwith muffler should give plenty power really affect weight since can remove some nose weight install model plain very functional Easy economical build fun fly took about three-fourths time build Kadet Contender did Although started wing aiready built did include design drafting time would have easily enough build wing leftovers Kadet other surplus ma terials cost little over $40 out pocket has given lot joy know folks concoct new planes using old wings bored some old model sketch something different Youve heard about flsbheads fish tails Leftovers washouts Often wing survives What great way combine imagination saving time money Presto have very own one-of-a-kind conversation piece Hey looks nice flies great What kit rafters filled nice old wings potential future get back air epi sodes ugly duckling What see look airplane Tom Chipleys Mud Duck looks like contender worlds ugliest airplane Its between-the-lines statement whimsical functional talks Its really clever Tom Chipley suspect ebullient optimist wry slayer pretentious dragons know trying read letters easy says Tom sticking pin balloon Compounding problem delightful stream consciousness Au Aw gee fact have forgotten what said letter assume what say must have said something about sending photos Well two letters second bearing postscript approximately 700 words long Elec tric guys will love another issue now back Mud Duck OK asked Chipley prods Pho tos stuff make fly out Great Dark Away pressures peers Au theme song slip something com fortable just lay back Au Chip talking airplanes parts pieces airplanethe kind enjoy fuselage built Electric turned out too heavy nose plane present firewall portions Continued page 26 24 Model Aviation U U ALL PURPOSE FOAM CU1TER Hands Off Cut II Especially Designed Tapered Wings HANDS OFF CUT II unique device cutting high quality foam wing cores hands off also cuts both sides same time Most modelers will amazed high quality smooth surface will achieve using device plus added advantage having wait until friends can come around help However just foam wing cutter HANDS OFF also capable cutting precision foam components such fuselage sections cowls tail surfaces HANDS OFF available hardware package assemble own board HANDS OFF CUT II requires 24 volt variable output power supply Easy assemble s approximately 15 minutes Dealers WantedHands Off Cut II Hardware Pkg$8750 plus $3 ship ft hand 24 Volt Variable Output Power 0 pius $3 ship ft hand ///~ NORRAY PRODUCTS INC 5 008 Sandbeach Road Wichita Falls TX 76310 Tel 81116924475 POSI -CURETM CYANOACRYLATE SPECIAL INTRODUCTORY OFFER ListSaleSavings 1 oz Fast Cure 3-5 Sec495$24500/0 Off 2 oz Fast Cure 3-5 Sec895$396560/0 Off 1 oz Gap-Filling 5 Sec$250% Off 2 oz Gap-Filling 5 Sec895$39656% Off OUR GUARANTEE TO YOU satisfied POSI-CURE please return unused portion within 30 days full refundNo questions asked SHELDONS HOBBY SHOP 3157 Alum Rock Ave Jose CA 95127 FOR ORDERS ONLY PLEASE 800 2283237e408 251-0789 Out State INFO 408 251-0787 California 0 SHIPPING per order Hours Mon-Wed Fri & Sat 930530 FAST SERVICE Thur 930-900 1200-500 COD ADD $1 90 48 span 5 2-4cycle 3ChannE Easily converted electric celient sor tne negmn nor can set up challenge expert hand cut kit*3996 Super50Span1S-25 Pronto2-4 cycle annel Same excellent qualities Pronto aerobetic ailerons*4995 Square48 span sq Shooter 25.4524cycle4chnl Can customized suit taste pure hot rod rear exhaust tuned pipe ass docile very aerobatic Sunday Flyer 25 40 Easy build hand cut kit 5996 Available dealer order direct Add *200 shipping additional *200 COD save COD sand check money order VA Ras add 4% sales tax TIDEWATER HOBBY ENTERPRISES Route 1 Box 241 D Lanexa Virginia 23089 804-966-5092 what would prefer things turned out Hayes engine mount fit plywood nose exactly wing Swizzle Stick 40 did fly wanted comedic designer explains stab stressed skin Vi2 sheet over few Vie ribs structure built canard design stillborn landing gear directly brown paper bag holds remains Robin Hood fell victim literally faulty radio signal wheels have flown almost planes since 1981 talisman simply decora tion love way look engine little jewel aluminum steel bronze chrome plate miniature valves pushrods flaunting function air Saito 30 chosen choice mostly aesthetic Internal combus tion engines have fascinated long care remember charm power speed rather something harder communicate someone has never spread engine out floor bench gone through part find hiding fault rejoiced perfection casting forging ma chining visible explorer inner realm Au Dont fourstroker youll sorry seethe beauty Model T Ford Citroen 2CV Ferrari 12 cylinder Jaguar 6 see something beyond name power something unites other machines man Saito 30 its exposed valve assembly leading side cylin der irresistible plane bears engine should same spirit reflection function overstatement power speed Fine qualities salute function Function fuselage flight surfaces serve doing little regard aesthetics define complement engine engine leads way arrogant its func tion flies see what have wanted see RC planes since first began building flying few years back see relaxed comfortable combination airframe power plant does have compare itself other easy fly yet responsive Takeoffs very stable mild crosswind Landings slow floating plane enjoy just fun Well Isee got tad wordy having read material few years feel am good company yet still running catch up specifics plane span 60 chord 10 horizontal stab 25 x 5 stab area 125 sq prop 10-6 fuselage length spinner end elevator 46 weight 62 oz 387 lb wing loading 96 lb/ft2 1536 oz/ft2 wing area 402 sq ft Hes serious statement Functional Flat windshield wood painted windows flat fuselage top modest incidence built stability flat-bottom wing flat angied nose top bottom open-air engine mounting flat fuselage bottom handy strap-on doublestrut gear sweepback vertical tail save perdition angled rudder hinge line helps keep wing tip up rudder turns low ample rudder area plenty rudder power throw-around three-channel aerobatics minimum rotational force around roll axis improved spiral stability turns sectioned stab always better flat stab tail perhaps downwash reasons maybe whimsical jet-age stuff anyway straight up slab would too ugiy prankish Chipley Continued page 136 26 Model Aviation L Dave Robelens Playmate Featured Aprii 86 Model Aviation 3 Channel port-Fun Fly 25 cycle Fast assembly hand cut kit*4996 Pronto EASY TO NDCRAFTED KITS AT LOW PRICES VVII l F.A.JI OL III60 Length 53 inEngine 60Leng its include Pre-built fiberglass fuselage foam cores shaped strip ailerons complete hardware pack SEND CHECK OR MONEY ORDER TO,. VISA & MASTER CARD ACCEPTED ZON MODELS INC T-404 Kelly Ave Manchester NH 03103 603 627-9503 Safety/Preston Continued page 133 respondent opposed man dating pilot location club field nevertheless very concerned about radios interfering another enclosed let ter club sent AMA President John C Grigg expressed clubs con cern about ability radio manufacturers manufacture equipment will operate successfully frequency spacing tween channels reduced not-toodistant future Perhaps mandatory pilot-saving may way operate after 1991 Question No 6 Ten readers submitted other suggestions concerning safety RC flying fields Briefly summarized follow Get rid hotdoggers always edge wrong side flying safely Reduce interference having good clean primary-channel output Tx Good product review boards Everything magazines comes Out good have problems field Radio manufacturers should provide connec tors accommodate ESVs battery checks Increased punishment following already-set rules Get needle valve away spinning FAIRCHILDS MAGNIFICENT TANK KILLING A-b THUNDERBOLT H WARTHOG IN RELIABLE PROP VERSION SB WING SPAN FOR 60 ENGINE Plan No 104 $1400 postage paid wilkin USA N J resideols odd 6% soles tax RFM Design Research PO BOX 2393 VINCENTOWN NJ 08088 prop club have safety officers Experienced RCers pass knowledge newcomers Enforce rule keep spectators Out pits Ground models visual damage poor improper workmanship Maybe some video tapes scare guys couldnt care less about safety Have first aid kit possible telephone field emergencies Classify trainer models Primary Basic Advanced time read column will see May Safety column has addressed subject trainer models really arent trainers situation above respondents covered some length let ter havent already responded re quest May column thoughts classifying trainers Basic Advanced categories Im still interested hearing want thank responded reader questionnaire intend pass results AMA Safety Committee sug gest review Dave Abbes suggestions exception Question No 3 fail-safe throttle part Question No 5 ma jority readers appears agree Dave Have safe month Jo/in Preston 12235 Ti/den wood Dr Rock v/lie MD 20852 Plane Talk/Winter Continued page 26 curved fuselage lines beautify ugliness after cant see meticulously-done decorations mysterious panels lettering like military planes sort thing think Cut extract pilot am sure maybe neat rectangles inked portray locations airborne equipment Love mean-nothing arrows especially merely points jewel-like Saito inspired Chipley craft wonder Ye gods knows what doing flies great everyone can make statement note flight shot landing shows flies step Telemaster bonanza informational value itemjustifies break traditional format column data would make fine article magazine George Hen derson charter member Fallbrook RC Flyers California says has neither time talent lities produce article acceptable magazine wishes make system available other fliers Heres letter verbatim enjoyed very much too wish share Obviously impossible within column include detailed instructions provide full-size drawings authors feeling modelers level will able deduce combination photos drawings system works will able duplicate customize necessary parts Hender sons material normally would comprise fourpage article case would want contact him please write George Henderson 3662 Northcliff Dr Fallbrook CA 92028 Ive got 40-size Telemaster has real delight George tells us Au bralns Id make Telemaster hackers cannot better Ive currently made over 350 glider launcheseverything 2 x 4s Gentle Ladies Oly 650s Oly us overweight Para gon Mark Smiths Sensor 117 numerous unknown designs close full set parts friend can make installation Telemaster similar plane try design improve see fit 136 Model Aviation 4 EngIne 4U sheeted balsa machine cut balsa tail surfaces FREE FLIGHT SUPPLIES FAI Rubber Japanese Tissue Rubber Lube Nitrate Dope Front End Bearings Assemblies Crocket Hooks DT Fuse KSB Timers Cox Engines & Parts Kits Blue Ridge Peck Midway Micro-x others ox 5996 -Lake Worth FL 33461 CATALOG $100 others can enjoy fellow club members added installation Bridi 40-powered Loadmaster does beautiful job launching everything up through Oly us club now loaded two glider launchers went through three different versions before arriving present system first thing youll note triple tail first Tele master strictly stock tail sections larger gliders interfered fin rudder T cut center fin rudder added two outboard fins rudders now can launch just about anything Telemaster will handle Two-Meter jobs original center fin Flight characteristics seem bit improved triple tailjust fun flying no glider Originally powered K&B 40 did satisfactory job George goes larger gliders have considerably weight drag took couple circles get altitude now use 05 50 can handle anything quite easily other thing may notice photos dual truck-like tires glidertowing requirement flying field has about 2 fine silt top plane glider used mire down during taxi takeoff Although dual wheels add weight solve ground problems Incidentally just take off four wire parts plane goes back normal photos taken various club members have no camera George thank country full special airplanes imaglnation plethora things wonderful projects ingenious ideas Too us labor under superficial delusion RC forever 50-in plane 40 englne look ads reassures us however us time evolve manner things kinds airplanes Variety spice life Life hobby terms becomes dreary avocation Folks like George keep evergreen dont have build eight-engined Spruce Goose hang onwhat encore early 60s Phil Kraft designed Ugly Stik published Grid Leaks thought Phil daftand frankly Stik stank ice Now 35 years later like would build remarkable-performing allaround ship kitted infinite variations probably built greater numbers other RC earth Variety just around corner anyone things like yours George remind us man must create fulfilled Modeling like George Thank Bill Winter 4432 Altura Ct Fairfax VA 22030 Can talltagain am now receiving some unusually difficult questions obvious impor tance ask letters outside normal field expertise writers state seem know answers dont knowledge Electrics RC Scale etc badly limited compared experience specialist columnists like Kopski Wischer will far better served such matters always addressing special columnist choice other magazines maga zine addresses ends col umns will take questions relating own planes projects refer deep stuff Normal mall always welcome essential continued prosperity fun column Henry T/Thomas Continued page 34 overflow tube beneath engine Drill another hole oil drain through cowl bottom rear Cut open top cowl provide access engine Finish shaping cowl fit flush against spinner leave clearance spring starter Block-sand cowl blend smoothly firewall used buty rate dope fuel-proof firewall cowl interior After much flying oil penetrated areas advise epoxy coating better durability Covering Take time thoroughly finesand entire model inspect uneven seams dents blemishes Go over Elmers spaclding paste dries quickly will easily cover areas Fine-sand filled places go over entire structure tac cloth remove dust grit particles recommend MonoKote its strength Cover fuselage sides first tacking MonoKote edges little reduced heat iron smooth down Let covering lap around edges about 1/~ Next cover top bottom trimming covering flush edges Cover stabilizer except joins fuselage fin Cover bottom surfaces first trimming edges flush top covering can lap around edges bit Epoxy stabilizer fuselage sight ing across fuselage top make sure alignment Add small strips pieces MonoKote cover assembly joints Cover fin ruddr similarly Since elevators tapered thinly soft material take care covering Cover bottom surfaces first trimming edges flush elevator may curl bit bottom covered will tend straighten top covering goes Lap edges under slightly point elevator horn mounted extending bolts cut ground off flush Join elevator stabilizer MonoKote hinge applying first nar row strip lower surfaces V raising elevator adhering film top strip flush slight clearance should provided prevent binding horizontal tail must completely mounted before fin can firmly ce mented place centerline Add MonoKote strips lap fin sta bilizer joint Carefully mark three hinge locations fin rudder drill holes accommodate hinge points Also drill hole tail wheel wire extension enters rudder near bottom Glue hinge points place moving rudder often glue sets Mount rudder horn grind extending mount ing bolts off flush Cover lower wing urfaces first Contiiued page 140 4Ye4//V R/C SPORT SHORT KITS THESE HIGH PERFORMANCE KNOCK AROUND FLYING MACHINES ARE EASY TO BUILD AND FUN TO FLY THEY ARE DESIGNED WITH PLENTY OF WING AND TAIL AREA FOR POSITIVE HIGH AND LOW SPEED CONTROL WE USE STRAIGHT FORWARD QUICK AND STURDY CONSTRUCTION THAT MAKES SENSE SHORT KITS INCLUDE PRECISION CUT FOAM WING CORES ABS HIGH INPACT FORMED COWLING CLEAR FORMED CANOPY WITH FRAMEWORK DETAIL STRONG FORMED STEEL ENGINE MOUNT EASY TO FOLLOW PLANS WITH CONSTRUCTION DETAILS AND ALL NECESSARY TEMPLATES PRE-CUT PLYWOOD FIREWALL LANDING GEAR BLOCKS STRAPS & SCREWS BILL OF MATERIALS NO BALSA INCLUDED PRICE PER KIT $2695TWO FOR $5000 WORLD WAR II FIGHTER SERIES JAPANESE A6M2 ZERO SPAN 544-CHANNEL 29 TO 45 ENGINE 4 LBS AMERICAN P-40 TOMAHAWK 29 TO 45 ENGINE SPAN 554-CHANNEL4 LBS GERMAN FW-19029 45 ENGINE SPAN 544-CHANNEL4 LBS ITALIAN c202 FOLGORE29 TO 45 ENGINE SPAN 544-CHANNEL4 LBS ORDERING SEND CHECK OR MONEY ORDER FOR REGUIRED AMOUNT PLUS $450 POSTAGE PER KIT CANADIANS ADD $650 TO WING MFG PO BOX 33 CRYSTAL LAKE IL 60014 ILLINOIS RESIDENTS ADD 6% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND $350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM CORE REPLACEMENT WINGS ACCESSORIES KITS TOOLS AND MUCH MORE PHONE 815 459-0417 FOR FAST COD SERVICE BYMF6 QUALITY PRODUCTS SINCE 1964 June1986 137
Edition: Model Aviation - 1986/06
Page Numbers: 18, 19, 20, 21, 22, 24, 26, 136, 137
Bill Winter 0 K Plane TalL AS JACKIE GLEASON used say sweet flying African-drought stage nice things rain like manna Heaven Ive Purple Planned way through exciting Electric model motor cabin bulk head prop speed reduction long extension shaft big folding prop sin gnawing way through incredible Kadet Senior latter novel approach trainer like big airplanes can fly like Free Flight offer fun blokes like well gluing together Old-Timer-like sticks fun thing dont need trainer Im trying strange spoiler combination out usual tch allows use individually no ailerons Se nior doing can have proportional openings wish can CAR cross control rudder mode Please dont ask. Lord knows what may ginesthe Baby Cyclone price tag $1500 still bit much thanks Irv Polk got wholesale $900 Old Square Sides flew off board always have colossal luck admit being Rubber Scale flier school hard knocks long stralght takeoff wide shallow climbing turn left Several years later published Air Trails could say no boss discretion being better part valor used middle name John Sprague airplane forgotten nearly haIfa century Enter Bill Northrop ModelBuilder Some guy Alaska keep eye him submitted Northrop picture version floats caption saying John Spragues ship would future construction project As prank rushed three-view Model Aviation under own name both items appeared simul taneously Northrop wondered organiza tion leaking Fun Model Builder has published revised Rookie prior tongue cheek Northrop asked check should made out John Sprague Now have picture Alaskan friends full-size Old Square Sides Dave Unruh uses OSS means Old Square Sides out-ofsight . Several years ago says Dave Unruh bought magazine called Classic Flying Models Au never heard Anyone have copy dont need great-looking OldTimer called Old Square Sides scaled magazine plans half-size replica built flew two years 020 049on floats off snow onto water wouldnt ROW due poor float design wheels twochannel RC finally Free Flight free up radio new plane Eventually Left 100 sq miles clear calm wilderness air myself says Dave Unruh describing memorable flight see text Antique-class Old Square Sides near Kenla Alaska has K&B 19 1 0-year-oid Expert radio six-footer says wont stall glide spin otherthan sailing aiong majesticaliy manages clawing loop forasrobatics nephewJohn Koll plc flies too Winterspun out ship hisfirst guess 1938 whata gassie BabyCyclone should iook ilke Unruh got plansfrom MB resurrected ancient model designed byJohn Sprague AKA Bill Winter Right BeforetheMB plans Unruh found oidAir Trails clips build 1/2-size version floats took off snow landed water poor float design prevented ROW Just two channels After two years forgot run tank down before launching Alaska big Winterwonders someday will found Wooily Mammoth revealed Ace RC has resident mixing board mad man loves like assume no-sense challenges mail remarkable its content Folks chat about truly amazing things themselves flyingand mixed bag adventures day bull session means talk other Nature may abhor vacuum Mother Nature must lost shopping malls shall turn loose remarkable people David Unruh Kenai Alaska involves very first gas model letter says lot about flying Old-Timers builders follow own lights typewriter mutters cryptic As twig bent grew tree rambleagain 1936 designed Old Square Sides knowing zilch about gassies already modeling 10 years Hardly anyone money Brown Jr $2150 engines $2150 common herd equivalent modern nine-cylinder four-stroke radial dream happened Col Moseley air school machine shop students assigned practical matter making en18 Model Aviation wna gooa ietover wingst Jiii ioerson noias asas omj scaica-up u-ice lOOK-aliKe called Big Tee50% bigger Rolls reluctantiy flies inverted Took 75% much timeto build asa new planeand costhim oniy$40 Tom says looks iikea home-built enjoys flying way 0S 30to changed OS Max 35 FP mainly cause club now requires mufflers looks like 0-Tee thinks stili Kadet Behold Mud Duck Winter professes find good airplane within ugly duckling disguise Tom Chipley its creator repressed cartoonist tongue-in-cheek cynic sticks pins balloons says Winter should recognize blood brother let mischief run riot designing yet another freedom fighter around leftover wing time Swizzle Stick 40 curious coyote can fatal warn mystery unravelled sort text flight shot youll notice man says good ship gets step Mud Duck grooves nicely landing Believe whole thing concocted emphasize beauties gem-like Saito Winter doubts kit maker would fail love it flies betterthan some kits Hed urge buy plans warm September afternoon forgot run tank down before launching flew away long life dope-and-tissue airplane After its demise found out design Great ordered pians ModelBuilder bui full-size year changed internal structure bit take advantage materials hand externally obvious change little less dihedral kept airfoiled stab pedestal empennage part character plane would lot easier make flat-plate stab mount directly upper stringers fuselage la Q-Tee lowering thrust line 19 mounted upright completely within Out lines cowling Power just right 103 prop all-up weight under 5 lb Radio 10-year-old World Expert five-channel REM have half rudder half elevator works wish put some down right thrust changes trim power setting balsa block cowling fits close would difficult adjust thrust angle now wont stall power off wont spin roll under circumstances loop after long dive always brings large groan bystanders claws its way over top makes What does fly about hundred flights far half other people flying also fly Great Planes CAP 21 ST 75 Its different kind fun vertical takeoffs snap rolls sort thing plane ahead ofme often CAP stimulant OSS sedative would like describe best day flying ever Old Square Sides Dave continues wife camped shore Kenal Lake along narrow glacialfed lake waters nearly-opaque jade color surrounded mountains camp ground features gravel bar protruding lake about 100 ft extending along shore about same distance After studying gravel bar thought could get away few flights afrald springy gear would cause nick prop coarse gravel ROGed hand-launched hundred square miles clear calm wilderness air myself 1500 ft white-and-orange model like tiny jewel against blue sky engine failed would have forced make tricky dead-stick spot landing choose between cold water Kenal Lake thick spruce forest back K&B 19 its peak however chugged along quarter-throttle 10 minutes came time land throttled way back few minutes OSS down 50 feet Down wind leg entered altitude about 200 ft out over lake brightly-colored ship framed beautifully lush green moun tainside flew About 200 yards past gravel bar made wide 180 onto final using turn burn off what altitude left As OSS settled down over water gentle bank could pick up reflection calm surface images inches apart wheel wheel eased throttle forward holding just apart point talk myself keep becoming hypnotized vision two airplanes tight formation inverted bottomless sky Just over edge bar pulled throttle way over OSS bounced stop far edge did four timeswhat gas Unruh sounds like modeling bush pilot others huge state once called Sewards Folly modeling missionary 1984 took unique project local grade school has program gifted/talented kids called QUEST class period day spent especially challenging fun projects Dave teacher hes fire department shift officer volunteered Twice week teacher eight students build Sig Cabinaire Sig Tiger Neither teacher nor students built models before kids fifth-graders models built entirely class flew Unrubs current projects include Flyline Models Great Lakes Trainer simulated five-cylinder radial using OS 40 four-stroke four dummy cylinders refinishing CAP 21 skis building three-channel Arctic Tern latter h-scale version oncefamous Interstate Cadet now manufactured Alaska Tern rate three year Modified tips anew cowling aroundthe 150hp Lycoming double power wartime trainer looks like model model distinctive fm rudder shape give away its Interstate origins Its said superb bush plane Like writer Dave loves out-of-production K&B-Veco ud think didnt have other engines Several club members also building Terns plans regret cant squeeze pictures thingsespecially kids stretch-winding rubber jobsand mass launching Welcome please Tom Elberson De fiance OH saga Big Tee Tom off-and-on modeler 35 46 years acquired aero mechanical engineering de Ever since SAM approved Winters Old Square Sides Antique WOG Vaga bond Old-Timers old boy says hes beengettingaraftofVagpics EdLambsent Ohisson 60-powered FF builtfrom orig inal kit Eagle plans Lamb says hes really enjoying Photo annual Misery Meet Ft Lewis WA co-sponsored Strat-O-Bats Boeing Hawks regular AMA events SAM B Old-Timers grees wife four children busy career during intermission 16 built first RC Lou Andrews Beam after beginning Control Line Free Flight About 10 years ago returned thousands normal life via Sig three-channel Kadet 1 finally made joyful decision roll own nifty Q-Tee cousin Everybody can designer days Toms years experience lying fallow wonder took him long procrastinating Incidentally has diskette Multimate software IBM PC letter includes article building flying full-size plan Im blown away guys word processors write beautiful treatises instead letters like neohunt andpeck rockheads like Some elegant quotes Last fall after outside chores done Elberson begins looking modeling project vety inexpensive two oldest kids now college dusty old Kadet wing left after crash useless hull Q-Tee strained through tree given friend before moved town gave idea design fuselage parasol-type airplane similar Q-Tee bigger could use Kadet wing hardware including engine June1986 19 radio wheels etc Kadet still good would come handy keep costs down made few measurements Q-Tee possible before throwing garbage decided scale up about 50% based its Kadets wingapans About 30 hours designing drafting later full-size plans Big Tee name seemed appro priate completed following gives construction procedure also some I1/8 1 I thinking behind structural design Au Toms instructions uniquely read able spiced thought logic say must keep moving along However cant resist giving excerpt followed comments flying bird Its good stuff design Big Tee fuselage influenced crash experience Kadet design Contender Tom relates impact force during crash determined time therefore distance over impact occurs greater crush distance less force Au Col lapse structure important full-size aircraft Globe Swift being notable example Kadet has aluminum engine mounts attached less toward center firewall momentum aircraft aft firewall taken up transferring loads through sides top bottom fuselage 20 Model Aviation Left Separation Piggybacked George Hendersons Teiemaster40 Gently Ladyfloats free soar pica drawings two pages relate Hendersons system Hes replaced K&B 40 OS 50 get launching altitude quickly big heavy Sailpianes Hes over 350 launches fall 1985 fellow club member has duplicated setup Bridi 40 Loadmaster now club can take up lots gliders mother ships Right Telemaster dwarfed big Paragon Gliders up Two-Meter size can launched stock single-tailed Telemaster triple-tailed version handles big Jobs better flies bet ter itself Note double-truck wheels required because soft silt surface interfered composite takeoffs Left Parts consist just two supports gilder wings fore aft supportaforthe fuselage andthe center release mechanism Parts detach easily fiying Teiemaster its own Wide spacing four supports prevents airborne rocking gilderotherwise certain aileron use Above Launching apparatus place ready take gilder Note inverted U guard/guide atop middle fin Author invento Geurge Henoerson Hat patch says Society Aircraft Demolish important thing picture simple pushrod arrangement operate three ersSAD MemberSmaiiiettersatthebot- rudders precisely Theres ailerontype bail link center rudder cievis rods tom Latin Aircraftus Frnamentus ball link attachments outboard rudders Sturdy aear truck-ilke wheeis show ciearlv TAPE OF FU I/a June1986 21 WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BALSA SNEL1I N 4r 30 1/16233 3/322 40 1/8243 3/16249 114 n2 56 1/32337 1/20337 1/16337 4931 3/32344 5937 1/8 ,3547145 3/16363 9255 1/4 3739561 5/16385 3/8 38812471 1/2 3115155 3/4 3185 1/164597649 3/324 75 9456 1/8 4 8010666 3/164 9312275 1/4 411513686 3/8 4165225 1/2 4225261 MATCIED SMUTS 42 3/324100 1/84106 3/164120 1/44131 BALSA STICKS 3640 1/16 1/409 1/16 3/810 1/16 1/214 3/32 1/410 3/32 3/812 3/32 1/216 1/5 1/806 1/8 1/411 1/8 3/612 1/8 1/216 3/153/1611 3/16 3/817 3/16 1/222 1/4 1/416 1/4 3/519 1/4 1/221 1/4 3/434 1/4 140 5/165/1621 3/8 3/827 3/8 1/232 3/8 3/442 3/8 152 1/2 1/234 1/2 3/446 1/2 159 5/8 5/948 3/4 3/467 BALSA HOT LINE Cd 506 745-6394 10mm- 6pm Ceutral rime LONE STAR MODELS 123 57th St LubhDEk TX 79412 v113 BALSA TRIANGLES N 4425 3/83630 2 235 34 3445 55 6 S BALSA PLANKSN 2465 6 250 3200 304266 2411/23275 2811/24300 3022225 4423325 24435 2933495 3734698 46 55 TAPERED SHEETSN 1/4265TRMLNEI EDGEN 531/43851/4132 623/52655/1611/439 3/53963/91 1/246 1/231251/2270 LONE STAR EPOXY 9,Lil645 51,598 15mm596 30,598 MS rANT CL VE 1 e Thck298 Thi299 2cm Thick550 2, Thin550 CUSTOM CUT CONTEST BALSA Sheets Piece ed Close Tolerances AAA Grade Dried ped 100% a serious modeler want performance must try 4-6 lb balsa LIGHT 4-6 LB WOOD36 1/32349 1/20349 1/16349 3/32355 1/8367 3/16375 1/4355 3/83115 1/23139 3/43220 13300 1/16478 3/32491 1/84100 3/164117 1/44139 3/84207 1/24293 BASSWOOD48 3/163/1625 3/161/430 3/163/639 3/161/246 3/163/400 1/41/442 1/43/949 1/43/465 3/83/800 3/81/270 3/83/490 1/21/200 1/23/4100 BUNDLE DEALS 20-1/5330685 201/164301025 20-3/32330840 153/32436955 151/5330715 101/8430675 153/16336500 103/16430610 101/4330630 101/4430890 10-3/8339800 53/8430625 51/2330540 51/2430855 103/32446845 51/8446465 53/16446565 51/4446625 P8HZ STICKS 36 48 1/81/81317 1/814/633 1/83/82027 3/163/161724 3163/82332 3/161/23040 1/41/42537 1/43/83042 141/23447 3/9 3/8 37 52 SPRUCE STICKS N 48 1/8 1/815 1/8 141824 1/53/82529 3/16 3/162534 1/4 1/43145 1/4 3/83050 3/8 3/54563 3/8 1/25570 1/2 1/28066 13 3/45998 SPRUCE TRIANGLES N 3/53/845 1/21/261 3/4 3/477 HARD MAPLE 1/4 3/5 3/83/5 3/81/2 3/53/4 123/4 ERICH DOWELS 1/5 3/16 1/4 5/16 3/8 IS 40 45 50 59 55 N 09 11 14 25 32 3P9YB*RCH 48 1/6412525 1/3212425 1/1612435 1/512400 SPLYBIRCN48 3/3212070 1/812585 3/1612565 1/412600 GROOVED LA MOUNTS 12 Imches LITE PLY 483/83/4/1/8/ 1/561503/83/4/5/32/ 1/8133001/23/4/3/16/ 46 46 45 Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO accpl Visa Masts Card personal checks COD 4-1/8% Ia icr Teas US crrency Mini,, Order 01000 S-em firewall mounts engine likely event engine/prop strikes ground first Since aluminum mounts wont give much crash engine doesnt usually give much crush distance ahead firewall short impact loads high directly transferred tend buckle firewall just what happened case once firewall collapsed rest aircraft easily failed no way make model crashproof course Contenders engine-mounting system seems better standpoint uses maple wood mounts glued along sides fuselage clear back second former soft n balsa block glued front mounts cowl soft balsa well So after engine buries prop shaft balsa starts crush during crash aft loads taken directly through mounts least thats theory used mounting system other feature liked about Con tenders construction what call spine piece -in balsa sheet running front back having shape planform fuselage pin plans first glue sides around formers Thus shape alignment fuselage assured made inside fuselage width exactly 3 spine formers use full 3 balsa width saving cutting wasted material can later build turtleback tank compartment hatch above give aircraft realistic shape.. some trepidation take first design flying field Tom says Will fly Will flying buddies chuckle under breath Im sure aircraft benefits greatly its Kadet wing positioned same incidence Kadet tail moments typical wing loading 185 oz/sq ft fine So give best pilot field watch What joy see ROG out grass behind old trusty OS 30 walt Continued page 24 22 Model Aviation * Special Detergents help prevent varnish promote clean burning * Rust Preventatives protect expensive engines corrosion SIG CHAMPION 2-STROKE FUEL FREE SHIPPING ON ORDERS OVER $1500COLLECT PINTQUARTGALLON55 GAL DRUM 0% Nitromethane$315$450$1050$19000 5% Nitromethane$365$525$1250 10% Nitromethane$415$550$1450$32500 15% Nitromethane$430$625$1650 25% Nitromethane$495$750$2095 35% Nitromethane$575$875$2495 SIGPREMIUM4-STROKE FUEL 10% Nitromethane$415$550$1395$29500 15% Nitromethane$425$625$1595 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending fuel finest quality ingredients available alcohol 995% pure very best grade available nitromethane use 100% pure get honest portion based % volume masimum lubrication get perfect 50/50 blend Bakers AA Castor Oil Kiotz Techniplate Racing Oil protect expensive engines finest quality fuel can made price Dont take word try some ludge yourself See dealer first available order direct Call ____ 800-247-5008 toll free orders Latest Catalog $3 SIG MANUFACTURING CO Montezuma IA 50171 PrrCOS suSiect change withojat note show signs structural problems maneu vers become energeticdives loops spins etc After test pilot puts through rigorous set flight conditions hands trans mitter first thing notice similar flies Kadet did feel flight control surfaces bit too sensitive have subsequently changed neutral rudder elevator used able roil Kadet big barrel roll Big Tee just didnt seem want come around Its spins better however will well inverted maybe Im just prejudiced looks better especially air has look homebuilt experimental aircraft 8-oz tank gives up 20 min flight time Kadets 6-oz tank gave 10 12 mm often wanted first tail-dragger RC first successful takeoff really third try since using grass takeoffs since aircraft overpowered didnt feel frustrated problems Because going mandatory mufflers flying field am going replace theoldOS 30withanewOSMax3SFPwith muffler should give plenty power really affect weight since can remove some nose weight install model plain very functional Easy economical build fun fly took about three-fourths time build Kadet Contender did Although started wing aiready built did include design drafting time would have easily enough build wing leftovers Kadet other surplus ma terials cost little over $40 out pocket has given lot joy know folks concoct new planes using old wings bored some old model sketch something different Youve heard about flsbheads fish tails Leftovers washouts Often wing survives What great way combine imagination saving time money Presto have very own one-of-a-kind conversation piece Hey looks nice flies great What kit rafters filled nice old wings potential future get back air epi sodes ugly duckling What see look airplane Tom Chipleys Mud Duck looks like contender worlds ugliest airplane Its between-the-lines statement whimsical functional talks Its really clever Tom Chipley suspect ebullient optimist wry slayer pretentious dragons know trying read letters easy says Tom sticking pin balloon Compounding problem delightful stream consciousness Au Aw gee fact have forgotten what said letter assume what say must have said something about sending photos Well two letters second bearing postscript approximately 700 words long Elec tric guys will love another issue now back Mud Duck OK asked Chipley prods Pho tos stuff make fly out Great Dark Away pressures peers Au theme song slip something com fortable just lay back Au Chip talking airplanes parts pieces airplanethe kind enjoy fuselage built Electric turned out too heavy nose plane present firewall portions Continued page 26 24 Model Aviation U U ALL PURPOSE FOAM CU1TER Hands Off Cut II Especially Designed Tapered Wings HANDS OFF CUT II unique device cutting high quality foam wing cores hands off also cuts both sides same time Most modelers will amazed high quality smooth surface will achieve using device plus added advantage having wait until friends can come around help However just foam wing cutter HANDS OFF also capable cutting precision foam components such fuselage sections cowls tail surfaces HANDS OFF available hardware package assemble own board HANDS OFF CUT II requires 24 volt variable output power supply Easy assemble s approximately 15 minutes Dealers WantedHands Off Cut II Hardware Pkg$8750 plus $3 ship ft hand 24 Volt Variable Output Power 0 pius $3 ship ft hand ///~ NORRAY PRODUCTS INC 5 008 Sandbeach Road Wichita Falls TX 76310 Tel 81116924475 POSI -CURETM CYANOACRYLATE SPECIAL INTRODUCTORY OFFER ListSaleSavings 1 oz Fast Cure 3-5 Sec495$24500/0 Off 2 oz Fast Cure 3-5 Sec895$396560/0 Off 1 oz Gap-Filling 5 Sec$250% Off 2 oz Gap-Filling 5 Sec895$39656% Off OUR GUARANTEE TO YOU satisfied POSI-CURE please return unused portion within 30 days full refundNo questions asked SHELDONS HOBBY SHOP 3157 Alum Rock Ave Jose CA 95127 FOR ORDERS ONLY PLEASE 800 2283237e408 251-0789 Out State INFO 408 251-0787 California 0 SHIPPING per order Hours Mon-Wed Fri & Sat 930530 FAST SERVICE Thur 930-900 1200-500 COD ADD $1 90 48 span 5 2-4cycle 3ChannE Easily converted electric celient sor tne negmn nor can set up challenge expert hand cut kit*3996 Super50Span1S-25 Pronto2-4 cycle annel Same excellent qualities Pronto aerobetic ailerons*4995 Square48 span sq Shooter 25.4524cycle4chnl Can customized suit taste pure hot rod rear exhaust tuned pipe ass docile very aerobatic Sunday Flyer 25 40 Easy build hand cut kit 5996 Available dealer order direct Add *200 shipping additional *200 COD save COD sand check money order VA Ras add 4% sales tax TIDEWATER HOBBY ENTERPRISES Route 1 Box 241 D Lanexa Virginia 23089 804-966-5092 what would prefer things turned out Hayes engine mount fit plywood nose exactly wing Swizzle Stick 40 did fly wanted comedic designer explains stab stressed skin Vi2 sheet over few Vie ribs structure built canard design stillborn landing gear directly brown paper bag holds remains Robin Hood fell victim literally faulty radio signal wheels have flown almost planes since 1981 talisman simply decora tion love way look engine little jewel aluminum steel bronze chrome plate miniature valves pushrods flaunting function air Saito 30 chosen choice mostly aesthetic Internal combus tion engines have fascinated long care remember charm power speed rather something harder communicate someone has never spread engine out floor bench gone through part find hiding fault rejoiced perfection casting forging ma chining visible explorer inner realm Au Dont fourstroker youll sorry seethe beauty Model T Ford Citroen 2CV Ferrari 12 cylinder Jaguar 6 see something beyond name power something unites other machines man Saito 30 its exposed valve assembly leading side cylin der irresistible plane bears engine should same spirit reflection function overstatement power speed Fine qualities salute function Function fuselage flight surfaces serve doing little regard aesthetics define complement engine engine leads way arrogant its func tion flies see what have wanted see RC planes since first began building flying few years back see relaxed comfortable combination airframe power plant does have compare itself other easy fly yet responsive Takeoffs very stable mild crosswind Landings slow floating plane enjoy just fun Well Isee got tad wordy having read material few years feel am good company yet still running catch up specifics plane span 60 chord 10 horizontal stab 25 x 5 stab area 125 sq prop 10-6 fuselage length spinner end elevator 46 weight 62 oz 387 lb wing loading 96 lb/ft2 1536 oz/ft2 wing area 402 sq ft Hes serious statement Functional Flat windshield wood painted windows flat fuselage top modest incidence built stability flat-bottom wing flat angied nose top bottom open-air engine mounting flat fuselage bottom handy strap-on doublestrut gear sweepback vertical tail save perdition angled rudder hinge line helps keep wing tip up rudder turns low ample rudder area plenty rudder power throw-around three-channel aerobatics minimum rotational force around roll axis improved spiral stability turns sectioned stab always better flat stab tail perhaps downwash reasons maybe whimsical jet-age stuff anyway straight up slab would too ugiy prankish Chipley Continued page 136 26 Model Aviation L Dave Robelens Playmate Featured Aprii 86 Model Aviation 3 Channel port-Fun Fly 25 cycle Fast assembly hand cut kit*4996 Pronto EASY TO NDCRAFTED KITS AT LOW PRICES VVII l F.A.JI OL III60 Length 53 inEngine 60Leng its include Pre-built fiberglass fuselage foam cores shaped strip ailerons complete hardware pack SEND CHECK OR MONEY ORDER TO,. VISA & MASTER CARD ACCEPTED ZON MODELS INC T-404 Kelly Ave Manchester NH 03103 603 627-9503 Safety/Preston Continued page 133 respondent opposed man dating pilot location club field nevertheless very concerned about radios interfering another enclosed let ter club sent AMA President John C Grigg expressed clubs con cern about ability radio manufacturers manufacture equipment will operate successfully frequency spacing tween channels reduced not-toodistant future Perhaps mandatory pilot-saving may way operate after 1991 Question No 6 Ten readers submitted other suggestions concerning safety RC flying fields Briefly summarized follow Get rid hotdoggers always edge wrong side flying safely Reduce interference having good clean primary-channel output Tx Good product review boards Everything magazines comes Out good have problems field Radio manufacturers should provide connec tors accommodate ESVs battery checks Increased punishment following already-set rules Get needle valve away spinning FAIRCHILDS MAGNIFICENT TANK KILLING A-b THUNDERBOLT H WARTHOG IN RELIABLE PROP VERSION SB WING SPAN FOR 60 ENGINE Plan No 104 $1400 postage paid wilkin USA N J resideols odd 6% soles tax RFM Design Research PO BOX 2393 VINCENTOWN NJ 08088 prop club have safety officers Experienced RCers pass knowledge newcomers Enforce rule keep spectators Out pits Ground models visual damage poor improper workmanship Maybe some video tapes scare guys couldnt care less about safety Have first aid kit possible telephone field emergencies Classify trainer models Primary Basic Advanced time read column will see May Safety column has addressed subject trainer models really arent trainers situation above respondents covered some length let ter havent already responded re quest May column thoughts classifying trainers Basic Advanced categories Im still interested hearing want thank responded reader questionnaire intend pass results AMA Safety Committee sug gest review Dave Abbes suggestions exception Question No 3 fail-safe throttle part Question No 5 ma jority readers appears agree Dave Have safe month Jo/in Preston 12235 Ti/den wood Dr Rock v/lie MD 20852 Plane Talk/Winter Continued page 26 curved fuselage lines beautify ugliness after cant see meticulously-done decorations mysterious panels lettering like military planes sort thing think Cut extract pilot am sure maybe neat rectangles inked portray locations airborne equipment Love mean-nothing arrows especially merely points jewel-like Saito inspired Chipley craft wonder Ye gods knows what doing flies great everyone can make statement note flight shot landing shows flies step Telemaster bonanza informational value itemjustifies break traditional format column data would make fine article magazine George Hen derson charter member Fallbrook RC Flyers California says has neither time talent lities produce article acceptable magazine wishes make system available other fliers Heres letter verbatim enjoyed very much too wish share Obviously impossible within column include detailed instructions provide full-size drawings authors feeling modelers level will able deduce combination photos drawings system works will able duplicate customize necessary parts Hender sons material normally would comprise fourpage article case would want contact him please write George Henderson 3662 Northcliff Dr Fallbrook CA 92028 Ive got 40-size Telemaster has real delight George tells us Au bralns Id make Telemaster hackers cannot better Ive currently made over 350 glider launcheseverything 2 x 4s Gentle Ladies Oly 650s Oly us overweight Para gon Mark Smiths Sensor 117 numerous unknown designs close full set parts friend can make installation Telemaster similar plane try design improve see fit 136 Model Aviation 4 EngIne 4U sheeted balsa machine cut balsa tail surfaces FREE FLIGHT SUPPLIES FAI Rubber Japanese Tissue Rubber Lube Nitrate Dope Front End Bearings Assemblies Crocket Hooks DT Fuse KSB Timers Cox Engines & Parts Kits Blue Ridge Peck Midway Micro-x others ox 5996 -Lake Worth FL 33461 CATALOG $100 others can enjoy fellow club members added installation Bridi 40-powered Loadmaster does beautiful job launching everything up through Oly us club now loaded two glider launchers went through three different versions before arriving present system first thing youll note triple tail first Tele master strictly stock tail sections larger gliders interfered fin rudder T cut center fin rudder added two outboard fins rudders now can launch just about anything Telemaster will handle Two-Meter jobs original center fin Flight characteristics seem bit improved triple tailjust fun flying no glider Originally powered K&B 40 did satisfactory job George goes larger gliders have considerably weight drag took couple circles get altitude now use 05 50 can handle anything quite easily other thing may notice photos dual truck-like tires glidertowing requirement flying field has about 2 fine silt top plane glider used mire down during taxi takeoff Although dual wheels add weight solve ground problems Incidentally just take off four wire parts plane goes back normal photos taken various club members have no camera George thank country full special airplanes imaglnation plethora things wonderful projects ingenious ideas Too us labor under superficial delusion RC forever 50-in plane 40 englne look ads reassures us however us time evolve manner things kinds airplanes Variety spice life Life hobby terms becomes dreary avocation Folks like George keep evergreen dont have build eight-engined Spruce Goose hang onwhat encore early 60s Phil Kraft designed Ugly Stik published Grid Leaks thought Phil daftand frankly Stik stank ice Now 35 years later like would build remarkable-performing allaround ship kitted infinite variations probably built greater numbers other RC earth Variety just around corner anyone things like yours George remind us man must create fulfilled Modeling like George Thank Bill Winter 4432 Altura Ct Fairfax VA 22030 Can talltagain am now receiving some unusually difficult questions obvious impor tance ask letters outside normal field expertise writers state seem know answers dont knowledge Electrics RC Scale etc badly limited compared experience specialist columnists like Kopski Wischer will far better served such matters always addressing special columnist choice other magazines maga zine addresses ends col umns will take questions relating own planes projects refer deep stuff Normal mall always welcome essential continued prosperity fun column Henry T/Thomas Continued page 34 overflow tube beneath engine Drill another hole oil drain through cowl bottom rear Cut open top cowl provide access engine Finish shaping cowl fit flush against spinner leave clearance spring starter Block-sand cowl blend smoothly firewall used buty rate dope fuel-proof firewall cowl interior After much flying oil penetrated areas advise epoxy coating better durability Covering Take time thoroughly finesand entire model inspect uneven seams dents blemishes Go over Elmers spaclding paste dries quickly will easily cover areas Fine-sand filled places go over entire structure tac cloth remove dust grit particles recommend MonoKote its strength Cover fuselage sides first tacking MonoKote edges little reduced heat iron smooth down Let covering lap around edges about 1/~ Next cover top bottom trimming covering flush edges Cover stabilizer except joins fuselage fin Cover bottom surfaces first trimming edges flush top covering can lap around edges bit Epoxy stabilizer fuselage sight ing across fuselage top make sure alignment Add small strips pieces MonoKote cover assembly joints Cover fin ruddr similarly Since elevators tapered thinly soft material take care covering Cover bottom surfaces first trimming edges flush elevator may curl bit bottom covered will tend straighten top covering goes Lap edges under slightly point elevator horn mounted extending bolts cut ground off flush Join elevator stabilizer MonoKote hinge applying first nar row strip lower surfaces V raising elevator adhering film top strip flush slight clearance should provided prevent binding horizontal tail must completely mounted before fin can firmly ce mented place centerline Add MonoKote strips lap fin sta bilizer joint Carefully mark three hinge locations fin rudder drill holes accommodate hinge points Also drill hole tail wheel wire extension enters rudder near bottom Glue hinge points place moving rudder often glue sets Mount rudder horn grind extending mount ing bolts off flush Cover lower wing urfaces first Contiiued page 140 4Ye4//V R/C SPORT SHORT KITS THESE HIGH PERFORMANCE KNOCK AROUND FLYING MACHINES ARE EASY TO BUILD AND FUN TO FLY THEY ARE DESIGNED WITH PLENTY OF WING AND TAIL AREA FOR POSITIVE HIGH AND LOW SPEED CONTROL WE USE STRAIGHT FORWARD QUICK AND STURDY CONSTRUCTION THAT MAKES SENSE SHORT KITS INCLUDE PRECISION CUT FOAM WING CORES ABS HIGH INPACT FORMED COWLING CLEAR FORMED CANOPY WITH FRAMEWORK DETAIL STRONG FORMED STEEL ENGINE MOUNT EASY TO FOLLOW PLANS WITH CONSTRUCTION DETAILS AND ALL NECESSARY TEMPLATES PRE-CUT PLYWOOD FIREWALL LANDING GEAR BLOCKS STRAPS & SCREWS BILL OF MATERIALS NO BALSA INCLUDED PRICE PER KIT $2695TWO FOR $5000 WORLD WAR II FIGHTER SERIES JAPANESE A6M2 ZERO SPAN 544-CHANNEL 29 TO 45 ENGINE 4 LBS AMERICAN P-40 TOMAHAWK 29 TO 45 ENGINE SPAN 554-CHANNEL4 LBS GERMAN FW-19029 45 ENGINE SPAN 544-CHANNEL4 LBS ITALIAN c202 FOLGORE29 TO 45 ENGINE SPAN 544-CHANNEL4 LBS ORDERING SEND CHECK OR MONEY ORDER FOR REGUIRED AMOUNT PLUS $450 POSTAGE PER KIT CANADIANS ADD $650 TO WING MFG PO BOX 33 CRYSTAL LAKE IL 60014 ILLINOIS RESIDENTS ADD 6% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND $350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM CORE REPLACEMENT WINGS ACCESSORIES KITS TOOLS AND MUCH MORE PHONE 815 459-0417 FOR FAST COD SERVICE BYMF6 QUALITY PRODUCTS SINCE 1964 June1986 137
Edition: Model Aviation - 1986/06
Page Numbers: 18, 19, 20, 21, 22, 24, 26, 136, 137
Bill Winter 0 K Plane TalL AS JACKIE GLEASON used say sweet flying African-drought stage nice things rain like manna Heaven Ive Purple Planned way through exciting Electric model motor cabin bulk head prop speed reduction long extension shaft big folding prop sin gnawing way through incredible Kadet Senior latter novel approach trainer like big airplanes can fly like Free Flight offer fun blokes like well gluing together Old-Timer-like sticks fun thing dont need trainer Im trying strange spoiler combination out usual tch allows use individually no ailerons Se nior doing can have proportional openings wish can CAR cross control rudder mode Please dont ask. Lord knows what may ginesthe Baby Cyclone price tag $1500 still bit much thanks Irv Polk got wholesale $900 Old Square Sides flew off board always have colossal luck admit being Rubber Scale flier school hard knocks long stralght takeoff wide shallow climbing turn left Several years later published Air Trails could say no boss discretion being better part valor used middle name John Sprague airplane forgotten nearly haIfa century Enter Bill Northrop ModelBuilder Some guy Alaska keep eye him submitted Northrop picture version floats caption saying John Spragues ship would future construction project As prank rushed three-view Model Aviation under own name both items appeared simul taneously Northrop wondered organiza tion leaking Fun Model Builder has published revised Rookie prior tongue cheek Northrop asked check should made out John Sprague Now have picture Alaskan friends full-size Old Square Sides Dave Unruh uses OSS means Old Square Sides out-ofsight . Several years ago says Dave Unruh bought magazine called Classic Flying Models Au never heard Anyone have copy dont need great-looking OldTimer called Old Square Sides scaled magazine plans half-size replica built flew two years 020 049on floats off snow onto water wouldnt ROW due poor float design wheels twochannel RC finally Free Flight free up radio new plane Eventually Left 100 sq miles clear calm wilderness air myself says Dave Unruh describing memorable flight see text Antique-class Old Square Sides near Kenla Alaska has K&B 19 1 0-year-oid Expert radio six-footer says wont stall glide spin otherthan sailing aiong majesticaliy manages clawing loop forasrobatics nephewJohn Koll plc flies too Winterspun out ship hisfirst guess 1938 whata gassie BabyCyclone should iook ilke Unruh got plansfrom MB resurrected ancient model designed byJohn Sprague AKA Bill Winter Right BeforetheMB plans Unruh found oidAir Trails clips build 1/2-size version floats took off snow landed water poor float design prevented ROW Just two channels After two years forgot run tank down before launching Alaska big Winterwonders someday will found Wooily Mammoth revealed Ace RC has resident mixing board mad man loves like assume no-sense challenges mail remarkable its content Folks chat about truly amazing things themselves flyingand mixed bag adventures day bull session means talk other Nature may abhor vacuum Mother Nature must lost shopping malls shall turn loose remarkable people David Unruh Kenai Alaska involves very first gas model letter says lot about flying Old-Timers builders follow own lights typewriter mutters cryptic As twig bent grew tree rambleagain 1936 designed Old Square Sides knowing zilch about gassies already modeling 10 years Hardly anyone money Brown Jr $2150 engines $2150 common herd equivalent modern nine-cylinder four-stroke radial dream happened Col Moseley air school machine shop students assigned practical matter making en18 Model Aviation wna gooa ietover wingst Jiii ioerson noias asas omj scaica-up u-ice lOOK-aliKe called Big Tee50% bigger Rolls reluctantiy flies inverted Took 75% much timeto build asa new planeand costhim oniy$40 Tom says looks iikea home-built enjoys flying way 0S 30to changed OS Max 35 FP mainly cause club now requires mufflers looks like 0-Tee thinks stili Kadet Behold Mud Duck Winter professes find good airplane within ugly duckling disguise Tom Chipley its creator repressed cartoonist tongue-in-cheek cynic sticks pins balloons says Winter should recognize blood brother let mischief run riot designing yet another freedom fighter around leftover wing time Swizzle Stick 40 curious coyote can fatal warn mystery unravelled sort text flight shot youll notice man says good ship gets step Mud Duck grooves nicely landing Believe whole thing concocted emphasize beauties gem-like Saito Winter doubts kit maker would fail love it flies betterthan some kits Hed urge buy plans warm September afternoon forgot run tank down before launching flew away long life dope-and-tissue airplane After its demise found out design Great ordered pians ModelBuilder bui full-size year changed internal structure bit take advantage materials hand externally obvious change little less dihedral kept airfoiled stab pedestal empennage part character plane would lot easier make flat-plate stab mount directly upper stringers fuselage la Q-Tee lowering thrust line 19 mounted upright completely within Out lines cowling Power just right 103 prop all-up weight under 5 lb Radio 10-year-old World Expert five-channel REM have half rudder half elevator works wish put some down right thrust changes trim power setting balsa block cowling fits close would difficult adjust thrust angle now wont stall power off wont spin roll under circumstances loop after long dive always brings large groan bystanders claws its way over top makes What does fly about hundred flights far half other people flying also fly Great Planes CAP 21 ST 75 Its different kind fun vertical takeoffs snap rolls sort thing plane ahead ofme often CAP stimulant OSS sedative would like describe best day flying ever Old Square Sides Dave continues wife camped shore Kenal Lake along narrow glacialfed lake waters nearly-opaque jade color surrounded mountains camp ground features gravel bar protruding lake about 100 ft extending along shore about same distance After studying gravel bar thought could get away few flights afrald springy gear would cause nick prop coarse gravel ROGed hand-launched hundred square miles clear calm wilderness air myself 1500 ft white-and-orange model like tiny jewel against blue sky engine failed would have forced make tricky dead-stick spot landing choose between cold water Kenal Lake thick spruce forest back K&B 19 its peak however chugged along quarter-throttle 10 minutes came time land throttled way back few minutes OSS down 50 feet Down wind leg entered altitude about 200 ft out over lake brightly-colored ship framed beautifully lush green moun tainside flew About 200 yards past gravel bar made wide 180 onto final using turn burn off what altitude left As OSS settled down over water gentle bank could pick up reflection calm surface images inches apart wheel wheel eased throttle forward holding just apart point talk myself keep becoming hypnotized vision two airplanes tight formation inverted bottomless sky Just over edge bar pulled throttle way over OSS bounced stop far edge did four timeswhat gas Unruh sounds like modeling bush pilot others huge state once called Sewards Folly modeling missionary 1984 took unique project local grade school has program gifted/talented kids called QUEST class period day spent especially challenging fun projects Dave teacher hes fire department shift officer volunteered Twice week teacher eight students build Sig Cabinaire Sig Tiger Neither teacher nor students built models before kids fifth-graders models built entirely class flew Unrubs current projects include Flyline Models Great Lakes Trainer simulated five-cylinder radial using OS 40 four-stroke four dummy cylinders refinishing CAP 21 skis building three-channel Arctic Tern latter h-scale version oncefamous Interstate Cadet now manufactured Alaska Tern rate three year Modified tips anew cowling aroundthe 150hp Lycoming double power wartime trainer looks like model model distinctive fm rudder shape give away its Interstate origins Its said superb bush plane Like writer Dave loves out-of-production K&B-Veco ud think didnt have other engines Several club members also building Terns plans regret cant squeeze pictures thingsespecially kids stretch-winding rubber jobsand mass launching Welcome please Tom Elberson De fiance OH saga Big Tee Tom off-and-on modeler 35 46 years acquired aero mechanical engineering de Ever since SAM approved Winters Old Square Sides Antique WOG Vaga bond Old-Timers old boy says hes beengettingaraftofVagpics EdLambsent Ohisson 60-powered FF builtfrom orig inal kit Eagle plans Lamb says hes really enjoying Photo annual Misery Meet Ft Lewis WA co-sponsored Strat-O-Bats Boeing Hawks regular AMA events SAM B Old-Timers grees wife four children busy career during intermission 16 built first RC Lou Andrews Beam after beginning Control Line Free Flight About 10 years ago returned thousands normal life via Sig three-channel Kadet 1 finally made joyful decision roll own nifty Q-Tee cousin Everybody can designer days Toms years experience lying fallow wonder took him long procrastinating Incidentally has diskette Multimate software IBM PC letter includes article building flying full-size plan Im blown away guys word processors write beautiful treatises instead letters like neohunt andpeck rockheads like Some elegant quotes Last fall after outside chores done Elberson begins looking modeling project vety inexpensive two oldest kids now college dusty old Kadet wing left after crash useless hull Q-Tee strained through tree given friend before moved town gave idea design fuselage parasol-type airplane similar Q-Tee bigger could use Kadet wing hardware including engine June1986 19 radio wheels etc Kadet still good would come handy keep costs down made few measurements Q-Tee possible before throwing garbage decided scale up about 50% based its Kadets wingapans About 30 hours designing drafting later full-size plans Big Tee name seemed appro priate completed following gives construction procedure also some I1/8 1 I thinking behind structural design Au Toms instructions uniquely read able spiced thought logic say must keep moving along However cant resist giving excerpt followed comments flying bird Its good stuff design Big Tee fuselage influenced crash experience Kadet design Contender Tom relates impact force during crash determined time therefore distance over impact occurs greater crush distance less force Au Col lapse structure important full-size aircraft Globe Swift being notable example Kadet has aluminum engine mounts attached less toward center firewall momentum aircraft aft firewall taken up transferring loads through sides top bottom fuselage 20 Model Aviation Left Separation Piggybacked George Hendersons Teiemaster40 Gently Ladyfloats free soar pica drawings two pages relate Hendersons system Hes replaced K&B 40 OS 50 get launching altitude quickly big heavy Sailpianes Hes over 350 launches fall 1985 fellow club member has duplicated setup Bridi 40 Loadmaster now club can take up lots gliders mother ships Right Telemaster dwarfed big Paragon Gliders up Two-Meter size can launched stock single-tailed Telemaster triple-tailed version handles big Jobs better flies bet ter itself Note double-truck wheels required because soft silt surface interfered composite takeoffs Left Parts consist just two supports gilder wings fore aft supportaforthe fuselage andthe center release mechanism Parts detach easily fiying Teiemaster its own Wide spacing four supports prevents airborne rocking gilderotherwise certain aileron use Above Launching apparatus place ready take gilder Note inverted U guard/guide atop middle fin Author invento Geurge Henoerson Hat patch says Society Aircraft Demolish important thing picture simple pushrod arrangement operate three ersSAD MemberSmaiiiettersatthebot- rudders precisely Theres ailerontype bail link center rudder cievis rods tom Latin Aircraftus Frnamentus ball link attachments outboard rudders Sturdy aear truck-ilke wheeis show ciearlv TAPE OF FU I/a June1986 21 WE ARE SHOOTING DOWN HIGH BALSA PRICES WITH SUPER QUALITY Satisfaction Guaranteed Direct Only BALSA SNEL1I N 4r 30 1/16233 3/322 40 1/8243 3/16249 114 n2 56 1/32337 1/20337 1/16337 4931 3/32344 5937 1/8 ,3547145 3/16363 9255 1/4 3739561 5/16385 3/8 38812471 1/2 3115155 3/4 3185 1/164597649 3/324 75 9456 1/8 4 8010666 3/164 9312275 1/4 411513686 3/8 4165225 1/2 4225261 MATCIED SMUTS 42 3/324100 1/84106 3/164120 1/44131 BALSA STICKS 3640 1/16 1/409 1/16 3/810 1/16 1/214 3/32 1/410 3/32 3/812 3/32 1/216 1/5 1/806 1/8 1/411 1/8 3/612 1/8 1/216 3/153/1611 3/16 3/817 3/16 1/222 1/4 1/416 1/4 3/519 1/4 1/221 1/4 3/434 1/4 140 5/165/1621 3/8 3/827 3/8 1/232 3/8 3/442 3/8 152 1/2 1/234 1/2 3/446 1/2 159 5/8 5/948 3/4 3/467 BALSA HOT LINE Cd 506 745-6394 10mm- 6pm Ceutral rime LONE STAR MODELS 123 57th St LubhDEk TX 79412 v113 BALSA TRIANGLES N 4425 3/83630 2 235 34 3445 55 6 S BALSA PLANKSN 2465 6 250 3200 304266 2411/23275 2811/24300 3022225 4423325 24435 2933495 3734698 46 55 TAPERED SHEETSN 1/4265TRMLNEI EDGEN 531/43851/4132 623/52655/1611/439 3/53963/91 1/246 1/231251/2270 LONE STAR EPOXY 9,Lil645 51,598 15mm596 30,598 MS rANT CL VE 1 e Thck298 Thi299 2cm Thick550 2, Thin550 CUSTOM CUT CONTEST BALSA Sheets Piece ed Close Tolerances AAA Grade Dried ped 100% a serious modeler want performance must try 4-6 lb balsa LIGHT 4-6 LB WOOD36 1/32349 1/20349 1/16349 3/32355 1/8367 3/16375 1/4355 3/83115 1/23139 3/43220 13300 1/16478 3/32491 1/84100 3/164117 1/44139 3/84207 1/24293 BASSWOOD48 3/163/1625 3/161/430 3/163/639 3/161/246 3/163/400 1/41/442 1/43/949 1/43/465 3/83/800 3/81/270 3/83/490 1/21/200 1/23/4100 BUNDLE DEALS 20-1/5330685 201/164301025 20-3/32330840 153/32436955 151/5330715 101/8430675 153/16336500 103/16430610 101/4330630 101/4430890 10-3/8339800 53/8430625 51/2330540 51/2430855 103/32446845 51/8446465 53/16446565 51/4446625 P8HZ STICKS 36 48 1/81/81317 1/814/633 1/83/82027 3/163/161724 3163/82332 3/161/23040 1/41/42537 1/43/83042 141/23447 3/9 3/8 37 52 SPRUCE STICKS N 48 1/8 1/815 1/8 141824 1/53/82529 3/16 3/162534 1/4 1/43145 1/4 3/83050 3/8 3/54563 3/8 1/25570 1/2 1/28066 13 3/45998 SPRUCE TRIANGLES N 3/53/845 1/21/261 3/4 3/477 HARD MAPLE 1/4 3/5 3/83/5 3/81/2 3/53/4 123/4 ERICH DOWELS 1/5 3/16 1/4 5/16 3/8 IS 40 45 50 59 55 N 09 11 14 25 32 3P9YB*RCH 48 1/6412525 1/3212425 1/1612435 1/512400 SPLYBIRCN48 3/3212070 1/812585 3/1612565 1/412600 GROOVED LA MOUNTS 12 Imches LITE PLY 483/83/4/1/8/ 1/561503/83/4/5/32/ 1/8133001/23/4/3/16/ 46 46 45 Handling Charge$300 pay UPS Add $200 COD $300 extra PP APO FPO accpl Visa Masts Card personal checks COD 4-1/8% Ia icr Teas US crrency Mini,, Order 01000 S-em firewall mounts engine likely event engine/prop strikes ground first Since aluminum mounts wont give much crash engine doesnt usually give much crush distance ahead firewall short impact loads high directly transferred tend buckle firewall just what happened case once firewall collapsed rest aircraft easily failed no way make model crashproof course Contenders engine-mounting system seems better standpoint uses maple wood mounts glued along sides fuselage clear back second former soft n balsa block glued front mounts cowl soft balsa well So after engine buries prop shaft balsa starts crush during crash aft loads taken directly through mounts least thats theory used mounting system other feature liked about Con tenders construction what call spine piece -in balsa sheet running front back having shape planform fuselage pin plans first glue sides around formers Thus shape alignment fuselage assured made inside fuselage width exactly 3 spine formers use full 3 balsa width saving cutting wasted material can later build turtleback tank compartment hatch above give aircraft realistic shape.. some trepidation take first design flying field Tom says Will fly Will flying buddies chuckle under breath Im sure aircraft benefits greatly its Kadet wing positioned same incidence Kadet tail moments typical wing loading 185 oz/sq ft fine So give best pilot field watch What joy see ROG out grass behind old trusty OS 30 walt Continued page 24 22 Model Aviation * Special Detergents help prevent varnish promote clean burning * Rust Preventatives protect expensive engines corrosion SIG CHAMPION 2-STROKE FUEL FREE SHIPPING ON ORDERS OVER $1500COLLECT PINTQUARTGALLON55 GAL DRUM 0% Nitromethane$315$450$1050$19000 5% Nitromethane$365$525$1250 10% Nitromethane$415$550$1450$32500 15% Nitromethane$430$625$1650 25% Nitromethane$495$750$2095 35% Nitromethane$575$875$2495 SIGPREMIUM4-STROKE FUEL 10% Nitromethane$415$550$1395$29500 15% Nitromethane$425$625$1595 THE CHOICE OF CHAMPION FLYERS over 20 years SIG has blending fuel finest quality ingredients available alcohol 995% pure very best grade available nitromethane use 100% pure get honest portion based % volume masimum lubrication get perfect 50/50 blend Bakers AA Castor Oil Kiotz Techniplate Racing Oil protect expensive engines finest quality fuel can made price Dont take word try some ludge yourself See dealer first available order direct Call ____ 800-247-5008 toll free orders Latest Catalog $3 SIG MANUFACTURING CO Montezuma IA 50171 PrrCOS suSiect change withojat note show signs structural problems maneu vers become energeticdives loops spins etc After test pilot puts through rigorous set flight conditions hands trans mitter first thing notice similar flies Kadet did feel flight control surfaces bit too sensitive have subsequently changed neutral rudder elevator used able roil Kadet big barrel roll Big Tee just didnt seem want come around Its spins better however will well inverted maybe Im just prejudiced looks better especially air has look homebuilt experimental aircraft 8-oz tank gives up 20 min flight time Kadets 6-oz tank gave 10 12 mm often wanted first tail-dragger RC first successful takeoff really third try since using grass takeoffs since aircraft overpowered didnt feel frustrated problems Because going mandatory mufflers flying field am going replace theoldOS 30withanewOSMax3SFPwith muffler should give plenty power really affect weight since can remove some nose weight install model plain very functional Easy economical build fun fly took about three-fourths time build Kadet Contender did Although started wing aiready built did include design drafting time would have easily enough build wing leftovers Kadet other surplus ma terials cost little over $40 out pocket has given lot joy know folks concoct new planes using old wings bored some old model sketch something different Youve heard about flsbheads fish tails Leftovers washouts Often wing survives What great way combine imagination saving time money Presto have very own one-of-a-kind conversation piece Hey looks nice flies great What kit rafters filled nice old wings potential future get back air epi sodes ugly duckling What see look airplane Tom Chipleys Mud Duck looks like contender worlds ugliest airplane Its between-the-lines statement whimsical functional talks Its really clever Tom Chipley suspect ebullient optimist wry slayer pretentious dragons know trying read letters easy says Tom sticking pin balloon Compounding problem delightful stream consciousness Au Aw gee fact have forgotten what said letter assume what say must have said something about sending photos Well two letters second bearing postscript approximately 700 words long Elec tric guys will love another issue now back Mud Duck OK asked Chipley prods Pho tos stuff make fly out Great Dark Away pressures peers Au theme song slip something com fortable just lay back Au Chip talking airplanes parts pieces airplanethe kind enjoy fuselage built Electric turned out too heavy nose plane present firewall portions Continued page 26 24 Model Aviation U U ALL PURPOSE FOAM CU1TER Hands Off Cut II Especially Designed Tapered Wings HANDS OFF CUT II unique device cutting high quality foam wing cores hands off also cuts both sides same time Most modelers will amazed high quality smooth surface will achieve using device plus added advantage having wait until friends can come around help However just foam wing cutter HANDS OFF also capable cutting precision foam components such fuselage sections cowls tail surfaces HANDS OFF available hardware package assemble own board HANDS OFF CUT II requires 24 volt variable output power supply Easy assemble s approximately 15 minutes Dealers WantedHands Off Cut II Hardware Pkg$8750 plus $3 ship ft hand 24 Volt Variable Output Power 0 pius $3 ship ft hand ///~ NORRAY PRODUCTS INC 5 008 Sandbeach Road Wichita Falls TX 76310 Tel 81116924475 POSI -CURETM CYANOACRYLATE SPECIAL INTRODUCTORY OFFER ListSaleSavings 1 oz Fast Cure 3-5 Sec495$24500/0 Off 2 oz Fast Cure 3-5 Sec895$396560/0 Off 1 oz Gap-Filling 5 Sec$250% Off 2 oz Gap-Filling 5 Sec895$39656% Off OUR GUARANTEE TO YOU satisfied POSI-CURE please return unused portion within 30 days full refundNo questions asked SHELDONS HOBBY SHOP 3157 Alum Rock Ave Jose CA 95127 FOR ORDERS ONLY PLEASE 800 2283237e408 251-0789 Out State INFO 408 251-0787 California 0 SHIPPING per order Hours Mon-Wed Fri & Sat 930530 FAST SERVICE Thur 930-900 1200-500 COD ADD $1 90 48 span 5 2-4cycle 3ChannE Easily converted electric celient sor tne negmn nor can set up challenge expert hand cut kit*3996 Super50Span1S-25 Pronto2-4 cycle annel Same excellent qualities Pronto aerobetic ailerons*4995 Square48 span sq Shooter 25.4524cycle4chnl Can customized suit taste pure hot rod rear exhaust tuned pipe ass docile very aerobatic Sunday Flyer 25 40 Easy build hand cut kit 5996 Available dealer order direct Add *200 shipping additional *200 COD save COD sand check money order VA Ras add 4% sales tax TIDEWATER HOBBY ENTERPRISES Route 1 Box 241 D Lanexa Virginia 23089 804-966-5092 what would prefer things turned out Hayes engine mount fit plywood nose exactly wing Swizzle Stick 40 did fly wanted comedic designer explains stab stressed skin Vi2 sheet over few Vie ribs structure built canard design stillborn landing gear directly brown paper bag holds remains Robin Hood fell victim literally faulty radio signal wheels have flown almost planes since 1981 talisman simply decora tion love way look engine little jewel aluminum steel bronze chrome plate miniature valves pushrods flaunting function air Saito 30 chosen choice mostly aesthetic Internal combus tion engines have fascinated long care remember charm power speed rather something harder communicate someone has never spread engine out floor bench gone through part find hiding fault rejoiced perfection casting forging ma chining visible explorer inner realm Au Dont fourstroker youll sorry seethe beauty Model T Ford Citroen 2CV Ferrari 12 cylinder Jaguar 6 see something beyond name power something unites other machines man Saito 30 its exposed valve assembly leading side cylin der irresistible plane bears engine should same spirit reflection function overstatement power speed Fine qualities salute function Function fuselage flight surfaces serve doing little regard aesthetics define complement engine engine leads way arrogant its func tion flies see what have wanted see RC planes since first began building flying few years back see relaxed comfortable combination airframe power plant does have compare itself other easy fly yet responsive Takeoffs very stable mild crosswind Landings slow floating plane enjoy just fun Well Isee got tad wordy having read material few years feel am good company yet still running catch up specifics plane span 60 chord 10 horizontal stab 25 x 5 stab area 125 sq prop 10-6 fuselage length spinner end elevator 46 weight 62 oz 387 lb wing loading 96 lb/ft2 1536 oz/ft2 wing area 402 sq ft Hes serious statement Functional Flat windshield wood painted windows flat fuselage top modest incidence built stability flat-bottom wing flat angied nose top bottom open-air engine mounting flat fuselage bottom handy strap-on doublestrut gear sweepback vertical tail save perdition angled rudder hinge line helps keep wing tip up rudder turns low ample rudder area plenty rudder power throw-around three-channel aerobatics minimum rotational force around roll axis improved spiral stability turns sectioned stab always better flat stab tail perhaps downwash reasons maybe whimsical jet-age stuff anyway straight up slab would too ugiy prankish Chipley Continued page 136 26 Model Aviation L Dave Robelens Playmate Featured Aprii 86 Model Aviation 3 Channel port-Fun Fly 25 cycle Fast assembly hand cut kit*4996 Pronto EASY TO NDCRAFTED KITS AT LOW PRICES VVII l F.A.JI OL III60 Length 53 inEngine 60Leng its include Pre-built fiberglass fuselage foam cores shaped strip ailerons complete hardware pack SEND CHECK OR MONEY ORDER TO,. VISA & MASTER CARD ACCEPTED ZON MODELS INC T-404 Kelly Ave Manchester NH 03103 603 627-9503 Safety/Preston Continued page 133 respondent opposed man dating pilot location club field nevertheless very concerned about radios interfering another enclosed let ter club sent AMA President John C Grigg expressed clubs con cern about ability radio manufacturers manufacture equipment will operate successfully frequency spacing tween channels reduced not-toodistant future Perhaps mandatory pilot-saving may way operate after 1991 Question No 6 Ten readers submitted other suggestions concerning safety RC flying fields Briefly summarized follow Get rid hotdoggers always edge wrong side flying safely Reduce interference having good clean primary-channel output Tx Good product review boards Everything magazines comes Out good have problems field Radio manufacturers should provide connec tors accommodate ESVs battery checks Increased punishment following already-set rules Get needle valve away spinning FAIRCHILDS MAGNIFICENT TANK KILLING A-b THUNDERBOLT H WARTHOG IN RELIABLE PROP VERSION SB WING SPAN FOR 60 ENGINE Plan No 104 $1400 postage paid wilkin USA N J resideols odd 6% soles tax RFM Design Research PO BOX 2393 VINCENTOWN NJ 08088 prop club have safety officers Experienced RCers pass knowledge newcomers Enforce rule keep spectators Out pits Ground models visual damage poor improper workmanship Maybe some video tapes scare guys couldnt care less about safety Have first aid kit possible telephone field emergencies Classify trainer models Primary Basic Advanced time read column will see May Safety column has addressed subject trainer models really arent trainers situation above respondents covered some length let ter havent already responded re quest May column thoughts classifying trainers Basic Advanced categories Im still interested hearing want thank responded reader questionnaire intend pass results AMA Safety Committee sug gest review Dave Abbes suggestions exception Question No 3 fail-safe throttle part Question No 5 ma jority readers appears agree Dave Have safe month Jo/in Preston 12235 Ti/den wood Dr Rock v/lie MD 20852 Plane Talk/Winter Continued page 26 curved fuselage lines beautify ugliness after cant see meticulously-done decorations mysterious panels lettering like military planes sort thing think Cut extract pilot am sure maybe neat rectangles inked portray locations airborne equipment Love mean-nothing arrows especially merely points jewel-like Saito inspired Chipley craft wonder Ye gods knows what doing flies great everyone can make statement note flight shot landing shows flies step Telemaster bonanza informational value itemjustifies break traditional format column data would make fine article magazine George Hen derson charter member Fallbrook RC Flyers California says has neither time talent lities produce article acceptable magazine wishes make system available other fliers Heres letter verbatim enjoyed very much too wish share Obviously impossible within column include detailed instructions provide full-size drawings authors feeling modelers level will able deduce combination photos drawings system works will able duplicate customize necessary parts Hender sons material normally would comprise fourpage article case would want contact him please write George Henderson 3662 Northcliff Dr Fallbrook CA 92028 Ive got 40-size Telemaster has real delight George tells us Au bralns Id make Telemaster hackers cannot better Ive currently made over 350 glider launcheseverything 2 x 4s Gentle Ladies Oly 650s Oly us overweight Para gon Mark Smiths Sensor 117 numerous unknown designs close full set parts friend can make installation Telemaster similar plane try design improve see fit 136 Model Aviation 4 EngIne 4U sheeted balsa machine cut balsa tail surfaces FREE FLIGHT SUPPLIES FAI Rubber Japanese Tissue Rubber Lube Nitrate Dope Front End Bearings Assemblies Crocket Hooks DT Fuse KSB Timers Cox Engines & Parts Kits Blue Ridge Peck Midway Micro-x others ox 5996 -Lake Worth FL 33461 CATALOG $100 others can enjoy fellow club members added installation Bridi 40-powered Loadmaster does beautiful job launching everything up through Oly us club now loaded two glider launchers went through three different versions before arriving present system first thing youll note triple tail first Tele master strictly stock tail sections larger gliders interfered fin rudder T cut center fin rudder added two outboard fins rudders now can launch just about anything Telemaster will handle Two-Meter jobs original center fin Flight characteristics seem bit improved triple tailjust fun flying no glider Originally powered K&B 40 did satisfactory job George goes larger gliders have considerably weight drag took couple circles get altitude now use 05 50 can handle anything quite easily other thing may notice photos dual truck-like tires glidertowing requirement flying field has about 2 fine silt top plane glider used mire down during taxi takeoff Although dual wheels add weight solve ground problems Incidentally just take off four wire parts plane goes back normal photos taken various club members have no camera George thank country full special airplanes imaglnation plethora things wonderful projects ingenious ideas Too us labor under superficial delusion RC forever 50-in plane 40 englne look ads reassures us however us time evolve manner things kinds airplanes Variety spice life Life hobby terms becomes dreary avocation Folks like George keep evergreen dont have build eight-engined Spruce Goose hang onwhat encore early 60s Phil Kraft designed Ugly Stik published Grid Leaks thought Phil daftand frankly Stik stank ice Now 35 years later like would build remarkable-performing allaround ship kitted infinite variations probably built greater numbers other RC earth Variety just around corner anyone things like yours George remind us man must create fulfilled Modeling like George Thank Bill Winter 4432 Altura Ct Fairfax VA 22030 Can talltagain am now receiving some unusually difficult questions obvious impor tance ask letters outside normal field expertise writers state seem know answers dont knowledge Electrics RC Scale etc badly limited compared experience specialist columnists like Kopski Wischer will far better served such matters always addressing special columnist choice other magazines maga zine addresses ends col umns will take questions relating own planes projects refer deep stuff Normal mall always welcome essential continued prosperity fun column Henry T/Thomas Continued page 34 overflow tube beneath engine Drill another hole oil drain through cowl bottom rear Cut open top cowl provide access engine Finish shaping cowl fit flush against spinner leave clearance spring starter Block-sand cowl blend smoothly firewall used buty rate dope fuel-proof firewall cowl interior After much flying oil penetrated areas advise epoxy coating better durability Covering Take time thoroughly finesand entire model inspect uneven seams dents blemishes Go over Elmers spaclding paste dries quickly will easily cover areas Fine-sand filled places go over entire structure tac cloth remove dust grit particles recommend MonoKote its strength Cover fuselage sides first tacking MonoKote edges little reduced heat iron smooth down Let covering lap around edges about 1/~ Next cover top bottom trimming covering flush edges Cover stabilizer except joins fuselage fin Cover bottom surfaces first trimming edges flush top covering can lap around edges bit Epoxy stabilizer fuselage sight ing across fuselage top make sure alignment Add small strips pieces MonoKote cover assembly joints Cover fin ruddr similarly Since elevators tapered thinly soft material take care covering Cover bottom surfaces first trimming edges flush elevator may curl bit bottom covered will tend straighten top covering goes Lap edges under slightly point elevator horn mounted extending bolts cut ground off flush Join elevator stabilizer MonoKote hinge applying first nar row strip lower surfaces V raising elevator adhering film top strip flush slight clearance should provided prevent binding horizontal tail must completely mounted before fin can firmly ce mented place centerline Add MonoKote strips lap fin sta bilizer joint Carefully mark three hinge locations fin rudder drill holes accommodate hinge points Also drill hole tail wheel wire extension enters rudder near bottom Glue hinge points place moving rudder often glue sets Mount rudder horn grind extending mount ing bolts off flush Cover lower wing urfaces first Contiiued page 140 4Ye4//V R/C SPORT SHORT KITS THESE HIGH PERFORMANCE KNOCK AROUND FLYING MACHINES ARE EASY TO BUILD AND FUN TO FLY THEY ARE DESIGNED WITH PLENTY OF WING AND TAIL AREA FOR POSITIVE HIGH AND LOW SPEED CONTROL WE USE STRAIGHT FORWARD QUICK AND STURDY CONSTRUCTION THAT MAKES SENSE SHORT KITS INCLUDE PRECISION CUT FOAM WING CORES ABS HIGH INPACT FORMED COWLING CLEAR FORMED CANOPY WITH FRAMEWORK DETAIL STRONG FORMED STEEL ENGINE MOUNT EASY TO FOLLOW PLANS WITH CONSTRUCTION DETAILS AND ALL NECESSARY TEMPLATES PRE-CUT PLYWOOD FIREWALL LANDING GEAR BLOCKS STRAPS & SCREWS BILL OF MATERIALS NO BALSA INCLUDED PRICE PER KIT $2695TWO FOR $5000 WORLD WAR II FIGHTER SERIES JAPANESE A6M2 ZERO SPAN 544-CHANNEL 29 TO 45 ENGINE 4 LBS AMERICAN P-40 TOMAHAWK 29 TO 45 ENGINE SPAN 554-CHANNEL4 LBS GERMAN FW-19029 45 ENGINE SPAN 544-CHANNEL4 LBS ITALIAN c202 FOLGORE29 TO 45 ENGINE SPAN 544-CHANNEL4 LBS ORDERING SEND CHECK OR MONEY ORDER FOR REGUIRED AMOUNT PLUS $450 POSTAGE PER KIT CANADIANS ADD $650 TO WING MFG PO BOX 33 CRYSTAL LAKE IL 60014 ILLINOIS RESIDENTS ADD 6% SALES TAX ALL ORDERS MUST BE IN US FUNDS SEND $350 FOR PRODUCT CATALOG DESCRIBING OUR COMPLETE LINE OF FOAM CORE REPLACEMENT WINGS ACCESSORIES KITS TOOLS AND MUCH MORE PHONE 815 459-0417 FOR FAST COD SERVICE BYMF6 QUALITY PRODUCTS SINCE 1964 June1986 137