CLOSE ASSOCIATION models real planes really turns likely photo real plane scrutinized avidly model project never build Stories behind real planes unearthed Rubber-Scale builders Arabian Nights People turned pictures column dont expect ever hear last Piper Vagabond especially after Jim Jenkins EAA champion sharp modeler boot featured re cent issue would never guess secondmost talked about aircraftthe Martin 130 four-engined China Clipper Thirties able show chaps Clipper four 02 electric motors another nifty biggie using four OS 10s Stories beget stories lets meet Dave Bridgeswho wants build Bud Chappells gassie 130 Editor model will construction feature upcoming issue am retired captain Pan Am Dave Bridges writes have making model airplanes off past 50 years am very much impressed Bud Chappells M-130 China Clipper MAN March 1982 article MA January 1983 would like buy plans Bud build 130 also think Ken Willard itching fly flew Pan Am 1944 until 1981 Dave goes just missed Martin made trips San Francisco Hon olulu back Boeing 314 flying boat 314 bit faster M-130 18 hours versus 22 hours M-130 Boeing 747 does now 4% hours might interested bit history about M-130 designed Pan Am three built Hawaiian Clipper Philippine Clipper China Clipper based Alameda Airport California airport used now right middle Alameda Naval Station about mile inland bay Later Treasure Island built Pan Am moved base Hawaiian Clipper disappeared trace between Guam Philippines Philippine Clipper crashed near Clear Lake CA inbound Honolulu flight bad weather way no celestial fixes positions flight crew aware flying jet stream unknown days arrived about three hours early theory Captain saw lights ground attempt ed turn around fly back sea strong winds blew mountain near Clear Lake China Clipper replaced Boeing 314 sent down Carib bean met its demise Compared planes today Bridges recalls M-1 30 slow stiff con trols bit uncomfortable times no smoking board due fuel leaks part glamor now no smoking ecology check out plane find too glamorizing resist youll richly rewarded Its rather like finding trunk attic pictures forgotten ancestors Lee Renaud now have read about passing Lee Renaud Airtronics May say word about friendship early Six ties inked two plans MAN fact didnt note until long time later Lee must have needed pocket money like rest us times Still later blossomed out full-page ads RCM perhaps fea turing some great Sailplanes Daring thought crossing fingers concern went became part Cox empire itself later part Leisure Dynamics em pire lately reacquired Airtronics After own 12-year hiatus Lee sent Cox-Sanwa time its servos could stand looking later system arrived instead old serviced Lee just said deserved flew modern Airtronics stuff too wonders other folks Lee saw over rought spots point story hobby lasting friends makes ridiculous us unload anyone 18 Model Aviation U lust fun Bill Winter Variety spice lifethe theme Bostonians John Oldenkamp Theyre published soon perhaps already Model Airplane News Yes need magazines look youll see Top Right shoulder-wing motif Bellanca type lifting fuselage saucy John backing RC Bill Winter pleads him extend FF genius RC go bananas John shook fun-fly troops selecting Falconbut allows three nifties picture could adapted RC think wing decorations see five 2sor five Zs sleep Electric will knock socks off says Winter has seen fly Its Don Srulls en larged Sparky Original rubber-powered designed Ed Lidgardput out kit Comet Models years ago SruIl enlarged 64-in span 460 squares geared Leisure 05 6-cell pack Sanyo sub-Cs 11-7 prop almost out sight its first test hop half charge Winter thinks enlarged rubber jobs yesteryear great Electric sport flying construction article Srulls Electric Sparky way miffed over rules club matter kind models someone builds good anyone does lives after him Thank Lee Someday goldarnit will write column planned things people keep blowing out water go ape over club newsletters some look forward magazines magazines read things drive bananas old-boy grapevine international net work black-magic guys doing strange wonderful things Like prewar Chinese airwarning system signaling hilltop hill top Chinese could alert inland target good hour before Japanese bomb ers could get As newsletters FACs thick full crazy fun sorts R&D plans worlds strangest airplanes out remote past guys think nothing flying Handley-Page biplane transports Vick ers Vulcan ugly British torpedo planes early 20s Huge crazy-angled crates com plete ladders side pilot could climb up lofty cockpitas cleaning gutters goes forever think editors chew funny mushrooms Magazines Lets just take unending statements must never build biggie weighs 12 pounds per cubic inch displacement glow kaput kick cat despair anyone can ignore wing loading beyond 12-lb rule thumb does FROM-MODEL AIRPLANE NEWS_________________ FEBRUARY 1949 NOTE ENTIRE MODEL 31/8 FROM 3WIDE BALSA SHEET DESIGNED BY Bill Winter ERsa/W-a PROP BLOCKl X2XIO RUGGED SIMPLE AIRPLANE DESIGNED FOR SPEED III 1~ -- II 1/32 SHE 2HARDWOOD WHEELS - HJCI WING SECTION 4 TIMES1/16 SHEET Busted needing new batteries original RC Special Bill Walt Schroder planned drew flew quickie rubber-powered model day early 1948 late Howard McEntee helped get RC job going few days later does steep 180-deg turn hand-launch flies bee line Tremendous rubber motor length high power well different wasnt real competition speedster though drawing says speed model Thank Bill Gough sent print Bill Winter Christmas card Gough said flew great Winter says Gough must have able adjust original dedicated proposition straight line shortest distance between two points suit crates wrong ex ceptions crate classic lightplane like Robin Moth Did real plane have flaps fighter no-holdsbarred aerobatic machine example Haff kes rotund Gee Bee recently published MA fits ruleit also glow 90-powered Hafike has published Gee Bee good flies over 60 oz per sq ft wing loading other hand nothing wrong 18-lb Vagabond 0S 90 9/lOths 12 pounds would weigh less 11 lb can pardon mentioning 10-ft 4-in Aristocrat again 28 pounds 132 cu displacement Tartan am mortal sinner because supposed weigh 12-lb rule thumb 16 pounds would no-wind floater flies majestically 1929-30 classic should May1983 19 cant believe well-named Ugly Stik widely-loved airplane consider un known builders tail feathers decorations Thanks H Thomas picture John Oldenkamp oldies Farman Moustiques keep popping upfrom Bill Hannans favorite Peanut big RC crates offered plans firms Johns skeleton lower left 36-in Jumbo Rubber Scale job Pre-historic Farman Bipe flying before Fun columnist born too available big-plane plans Johns upper left 13-in-span Peanut Simple acres area bipe gives slow flight kind model piece de resistance Oldenkamps 23-in-span rendition Borel Hydroplane right Note undercamber reflection know weighty rollout momentumalso realistic Compare similar Stinsons etc mush along 2 cu displacement weigh average 22 25 pounds OK 12-lb rule Dont believe could take 3 cu Stinson sublime configuration good come real carried four people whereas Aristocrat carried threeand Stinson flaps olden days speed ranges often miserablethe top speeds relative stall landing speeds have lots wing area old days relatively tow powerto land easily small runwayless aerodromes farm field drop water conked out OX-S carb take off Flaps quantum leap Wing area reduced drastically better cruise means much higher wing loadings big model same general type need shoot 12-lb figure per cu Since sluggish performance persists Catch 22 situation Speed range better because flaps maintained fairly comparable landing speeds An 18- 20-lb 24-26 Stinson 2 cu would compare Aristocrat 28 lb 132 cu glow come Well spans roughly equal Aristocrat older vintage scales 18-in chord Stinson 11 9-ft plane forgetting loss due cabin width translates 4/2 sq ft difference wing areas between what looks like two similar-type planes dif ference wing loadings stupendousyes build Stinson lightweight can get use still power Flaps just fun stuff must play precisely Stinson et al want top results Consider Doc Brookes magnificent import ed kits high-priced worth huge Tiger Moth floats like feather Fantastic Sure ifs bipe ones have watched just superb weigh 30-32 lb fly majestically 2 cu old-model Quadra capable lifelike loops rolls glorious dead-stick forced landings weight 3 cu would make P-12 Yet tell us dont build over 24 lb abide 12-lb per cu thing 24 lb under rule youd almost have fly Tiger Moth like Indoor models Heavy spark-ignition engines mainstream Scale lend balance know twin-engined Kawasaki job made much Con tinued page 22 20 Model Aviation Surprise John Maloney Since manufacturers ardent modelers sneak camera detected hard work Left John tries full-throttle before takeoff Robin 1000 Brad Butler hangs gosh John dragged out Old-Timer right maybe lost its papers Brad restrains its roaring power mere finger hold Photog took Fifth no bottle silly Joe l-itzgibben 0 tiolden ge Heproductions tadoress vu uox ti uraintree MA iw guys want write him about old kit plans etc shows off rubber-powered Pacific Ace Flying Aces Club logo magazine name decal furnished Joe mem bers FAC Photo Tom Schmitt taken Durham Ctr CT contest October 1982 MEl Iii 1I1 IdilIlly ren flUUUUd gets ready fly laurn Bob Winters favorite years-old Mach 1 mu i anything wont Editorial research reveals guy started has o grand kids six greats solemnly swears wont inflict us picture tremendous mob Discriminate Scale Fliers Demand Dave Platti m perfectionist. kits prove reputation finest models RC scale has founded upon careful attention detail period over twenty years fact Im particular about kits theyre available personally make kit sign hold myself responsible reproductions genuine Dave Plast kit guarantee true outline combined force arrangement flies properly THE ULTIMA legendary beauty efficiency Spitfire 1/5 scale Accurate last subtle curve Magnificient indeed lust sitting simply awe inspiring flight Powered 90 120 glo engine bra Masimizerl ultimate Spitfire will provide intense experience sophisticated R/G modeler Span 88 Length 76 Weight 15-20 lbs ii BkckerJungmeister regular direct drive engines 60 90 65 span 1/4 scalel ace aerobatic biplane time Still fits car $139 j 3rand bold flies great staying easily transportable 1/5 scalel 79 span over 1000 sq ins 90 engines $179 New 1/4 Scale Pilot$139 Supplied unpaint ed comes in-Available /5 1/6 scale World Retracting struction booklet 3UWar II Fighter Pilots full Landing Gear Now Strengthened tor figure$15heavier ships ___Complete system St 39 HOW TO ORDERDireci Irom manulacturer no markupi Write call .we accept check money order Master Charge Visa cards pay UPS anywhere USA Florida residents add 4% sales tas Yes accept loreigo orders pay freight information model send sell addressed envelopem nave Dlatt ivuodels inc ___ 6940 NW 15th Street Plantation Florida 33313 Phone 305 587-4861 ,lfiord ii 5 ohe cooms Wingspan 56 Channels 2-3 Wing Area 690 sq Engine19-35 iopper complete 1/6 scale H/C model kit designed assemblelook fly like famous WeedhopperTM Model-C Ultralight AIRCRAFT parg aluminum structure pre-bens drilled nylon rip-slop coverings pre-sewn1/6 Scale $16995 Available choice four colors hobby shop now1/3 Scale $26995 Other ultralights available soon carlberg companies product 8170 WEST PENN AVE ROSEVILLE 1161473 PHONE 309/426-2161 news 14 lb ballast wasnt enough Some inexpensive reliableI have Quadra would never knock point individuals perception econ omy etc ignition takes preference glow well spark suits own crates Some Stinsons like cant hold altitude less full throttle some legit size ignition engines yet glow farheavier Aristocrat can make gentle Figure 8s near idleon 132 cu glow nothing Its just sug gested 12-lb bit ignition better some big crates according typebut something haywire everything contrary universally cen sored cant read anywhere Al Alman until recently director now advisor IMAAthe big-plane associationhas head screwed right practical guy digs philosophy Electric winch game talks diesels Davis heads Al has great results Davis-head Fox Eagle II turning real club prop glow engine lends itself diesalization remarkable facility chat about things RC though course love big airplanes agree planes requiring field repairs major components should flown again dayand very good reason have go along Don G 12lb per cu limit Al begins Without such reasonable guidelines too guys will doing real crazy stuff absolute means experience has proven 12-lb fsgure very practical limit power loading wing loading must also consideredand usually exceeding 12 lb per cu results excessively high wing loading think wide speed enve lope low stall speed envelope almost good romance seems Al continues glow-type engine per cubic inch will outpower gaso line-burner Auther 132 cu glow turns Top Flite 18-6 up 7000-7100 rpm roughly comparable old-model 2 cu Quadra less weight plus favorable wing loading Aris tocrat results good-flying bird what appears radically minimum power Also hot-rod type fly Aristo like should flown Its Cap 20 like its flown way analyze what both say will find really agree fly two classics no flaps hence area Aristo does Scale Procedure positive speed preciseness Naturally no vertical maneuvers involved did roll stunt real aircraft RC want good vertical performance better off power less weight loggy crate does terrible Stall Turns Wingovers piloting actually far difficult aerobaticsdont kid yourselfyou must ftrst well-grounded pilot Really want see end business hiding glow closet fits well within limits conversely 3 cu glow would break bank Monte Carlo 2 5% nitro 8% oil few dozen big-plane flights year am con cerned about fuel costs less $10 gallon other hand big-tank Kadet 40 rocking budget flies much often flights will make old-boy networkand Pappv Continued page 24 22 Model Aviation MOTOB MIIG flot tunti q.iitn intitn tiarot mew mn oini ewin nn&i, stindoin 55S inrtos ut onha bin tun. vwwi ut aneotwo poos 5 siollote cnlirtuts rito 0 n.sinronn OmY $695 U etA pemr* uosaCeno owos CaIN raalduila add sales tax tI96 139 T61 A/C LE SCHNUEALEMuffler Muffler T 61 will n litnited production durtng 1963 Swtrle ports increase fuel economy robbing power Featores include Forged Piston Con Rod hardened steel cylinder single ring double ball bearings ioneStneot cast crankcaseAvailable late spring B19 840 U-CONTROL 19 t39n 840 t49 perfect engine U-control flying Improved bypass low tension dyhes ring make 640 619 enceptional values Muffler will soon available 519 u/c available now 1161 A/C Schnuerle ported 61 provides easy starting high performance longevity FEATURES INCLUDE Sditnwt Euro odd Roost Pat Dmt 811 Rosotte Fnntd Mine Pfttor & C. Rod Rtdod Cumonlin Rod 0 noR Sod Rods Cottur 16 HP t 155CR RPM aoioltvliiitttiminrbantoorvointlro Send 100 Complete Catalog Key Chain trudovun otoattiod St ibm mono tonouwi aunt tIti eurot md deBolt writes letters crammed experimental stuff fringes oftentimes almost always works out have won argument Hal well-nigh 50 years told should use props big holes blades wouldnt laugh Ive through him strip ailer ons full-symmetrical airfoils etc flies big ger props anyone else Pylon makes work prop unloading air him George Aldrich writes Gosh Hal has forgotten want know long friendship mildly strained editor MA failed print second portion prop article faith would-be aerodynamicists compu ter engineers hordes guys tarred feathered everyone poor editor down figured world unllke wasnt ready Harold isnt theory him curiosity search better things Like Dizzy Gillespie Hal uses wildlybent trumpet interprets aerodynamics music fine dont condemn crazy horn againand some coincides much long-buried ideas new crates Hal loves racing planes big models Hes long fixation sleek Cau dron racers go big enough get required wing area fuselage reaches coast-to-coast often eye Folkers racer just differentand wouldnt mag nificent flew what would happen Im curious Wonders Hal cheat picture Zeroa bit wingy fighter fine example Japanese artistic eye lovely out llnes wing area upped other things proportion leaving fuselage alone would have sport Sport Scale use ful competition would very nice easy-to-fly sport model class wing could fudged degree per formance Zero look-alike powered soarer could P40 what ever Hal determined type answer 1/3-scale wing 1/4-scale fuselageif can find anyone agree did bet will build mad Caudron will handle easily over-scale Sig Kavalier also flying 2-Meter Sailplane rub ber power gets straight flights 1000 ft What shook him up amount rubber needed turn big Wake field prop24 strands V4 So just phoned him flipped getting about 30 ft altitude tried lower pitchand climb improved considerably power ran out like gang busters went middle now has worlds wack iest Rubber job climbs fairly well circles big prop glides like brick also busting blades Hes trying folders long discussion out old Rubber Scale days about prop block dimensions Dont ask what up Id bet 2-Meter just handy test platform Speak ing big Pylon Racing props guys write What has done lately Pylon shame Hal like ancient mariner NASA test pilot tried argue him out beef depth perception shot am school thought no real ly has lone oak tree Round Swamp Long Island embarrassed too fighter airline pilots believe Hals problem real Doc implanted some kind plastic lenses now old boy Continued page 84 24 Model Aviation COMPLETE LINE OF AMERICAN MADE ENGINES 7i7L FROM RJL IN 19831 MODEL ENGINES Made USA qualfty E4a Including Muffler OfIAbIflfY aGevice 819 840 RADIO CONTROL 819 tggm 467gm hest bet beginner Sunday flyer Improned bypass low tension dykes ring give plenty power Equipped Perry carburetor new RIL muffler MADE IN AMERICA AMERICAN TECHNOLOGY RJL Industrla ox 9654 dena CA 91107Phonw 213 359-6016 Nor Ca ACCJAC AVIONIUS ACCU ETACH LCD2R3MONITOR VOLTM ttie state K YoU get Cead DetefmIyour NiC CNARG Makes accura1ct idle thru~afge Wit safely fast chargbY topend justment batteri5 Wik pack ~ tinY gals out Se d0 Ioam5St TX/IX ba atchIn 519a h dual scale r iOOX cycle wit i tery combosage drop capabiljitthfull Charge electronics 95 ORDER YOURS NOW 7 9 Pd Send check money order no CODs NorCal AVIONICS Inc PO Box 70956 sunnyvale CA 94086 California residents add 60/o tax Add $300 shipping outside continental USA Dealer inquiries invited 0tm ctitjPccJiJ 615 So Gallatin Rd son TN 37115 615 868-6811_____ Mon thru Sat am 500 pm RTER & GIANT SCALE S IMQOELERS.RADIO SYSTEMS I-- -FUTABAand ROYAL ACCESSORIES FOR j MOST RADIOS LLIT-SAP need LLIT-SAP multiple servo LONG LEAD INTERFERENCE TRAP & SERVO ALTERNATE POWER adap tar Specify radIo ordering $2995 postage paid send large SSAE for literature Safety/Preston Continued page 16 final word frequency control Whichever ystem prefer goes saying C flying fields should have transmitter im pound impound frequency control board same structure trip impound obtain ones transmitter should prompt old memory also doing whatever necessary indicate use frequency Transmitters scattered willy-nilly throughout pit area sure-fire way leaving oneself open frequency abuse inevitable shoot-down Now can get pen paper drop line subject Which frequency control system foolproof simple popularity model diesel engines suggests word warning diesel fuel principal tngredient makes model diesel engine oper ate benefit glow plug ether volatility ether greatly exceeds methyl alcohol Treat ether diesel fuel would gasoline Dont keep basement beside furnace gas hot water heater mix own diesel fuel outside away ig nttion source Remember ether used used anesthetic back old days avoid breath ing fumes last tip comes fellow club member Lou Bruhn really suggstion makers RC equipment latest crop transmitters appear have about exhausted number whistles bells can realistically use ful making easier control set up model Lou suggests adding built-in frequency monitor transmitter person already has everything else way might work would use three-position switch instead current two-position On/Off switch Switching transmitter would become two-step affair Going Off first position would turn frequency monitor would indicate either audible tone meter whether channel clear no incoming signal present would comfortable switching third position switch would turn transmitter turn off frequency monitor Just though might further decrease num ber accidental shoot-downs Have safe month John Preston 7012 LIvira Cr Falls Church VA 22042 Fun/Winter Continued page 24 pardon Hal hes back sharper flying Im jealous cant judge height coming over fence landings up down ttrip often rough Props prove interesting Hal tells us still speaking 2-Meter rubber power Wakefield sizes provided limited climb long low flight ground effect much smaller low-pitched prop gave good climb altitude much distance Something between gave decent altitude much longer cruise altitude plus longest distancethe realistic flight same amount rubber limited cost ability wind What noticed big props continues once two-thirds winds gone better stopping prop Fold During last portion Continued page 92 84 Model Aviation SUMLI UI-1llMUISJI.3/ti UIALI b MIIUUS Send5OforcatalogN 216-499-5323 RC Kits Mfg\ . 706 Easton NE\ IL Canton OH 44721 N STEPHENS ACRO REPAIR SERVICE FOR HOBBY LOBBY EI LOGICTROL FUTABA HOBBY SHACK ROYAL LINE Fun/Winter nntinnrf oaoe 84 Complete automatic operation Erases Charges Checks Rapid charges 35 mm typically Automatically repairs shorted cells No dangerous heat build up Front panel selects up 3 different packs Unlimited battery combinations program modules user programable LEO status indicators Supplied universal EZ hook wire leads Specify Voltage Battery Packlel order program module included onal modules $225 $8900 plus $400 Shipping PA Residents add 6% seles tax Coming Soon iple pack memory erase charger municiple commercial applications write information send requirements GMS 401 complete automatic NICAI condi tioner rapid charger Never before has offered anywhere price its good its ing patented NICAD memory characteristics must dealtwith otherwise battery pack delivering could OMS 401 will automatically erase rapid charge type NICAD pack 1 10 cells CONTROL PRODUCTS UNLIMITED INC PO Box 10 Downingtown PA 19335 215-383-6395 flight slow-turning prop actually increases sink rate Basic suppose unless could reduce flying speed prop did act like brake Srull prop shape parallels find ings Gas props Author Srull acquired technical paper conclusion wide point prop should one-third out blade length outer twothirds rather pointedit works wonders Rubber Scale helps reduce drag hub tip might find some progressive airfoils interesting play latest best prop Quadra 20-12 drag reduction ideas Most guys snicker until see unload pull air surprise noise reduction Noticeably quieter air Leads believe other props ing bit air thrashing instead pulling Sound seems good gauge work props could go forever.. may shock Electric world ap pears scaling-up old sport Rubber jobs yields better performance compared virtually snub-nosed highdrag Gas Old-Timers Perhaps ultimate Electric sport Electric already splitting resplitting widely diverging configurations RC general Most newcomers putting OSs Sailplaneslike Gentle Lady Winddrifter II like son Mike Top Flite Metrick gets slip pery Others using reduction-drive iSs Scale Porterfields like Still others go Buzzards etc same 15 though new OSs can fly too Some go multi-engine 02s 035s etc especially Scale types because power thrust an& never have engine-out crisis Tiny bombs single double 02s will scream up 90 mph 4-pt rolls Really hot pilots convert Barbarian Electric advanced aerobatics ship will talk about pretty climbs like crazy though skyrocket glides beautifully Cutting right through middle everything its sensa tionaL will knock socks off Ive got drag Don Srull Substi tute Joe Charlie Ike own group wish Now older modelers will remember Ed Lidgards Sparky Rubber design Comet Ed eye beauty pro portionsone all-time greats Sparky just showed up another mag different form Sparky spans 64 has 460 sq area Leisure geared 05 turning 11-7 although 1 l-7 11-8 may better Electric guys cramming sorts multi-cell packs Seven sub-Cs favorite 05 Both Dons have stan dard factory-supplied 6 sub-C Sanyos Leisures big Playboy RC-assist FF Other points can fly well recommended charge rates periods factory-supplied chargers anything over 05 requires voltage doubler well convert car battery 12V say 28 30 want precise charge anything gives absolute maximum power overcharging need charger digital readout 1/lOOths volt digital voltmeter say Radio Shack Things still too new model forms proliferating definitive answers yet come tradeoffs between voltage weight Continued page 132 92 Model Aviation NICAD MEMORY ERASE ? Fun/Winter Continued page 92 GIANT SCALE & SPORT PLANS SETS & KITS order contains concise construction manual Partial kits include precut wing ribs fuselage formers prebent lending gear Full kits include everything above plus strip wood necessary hardware assembled landing gear cabane struts fiberglass cowl wheelpants required already hsve plan sets may deduct $1090 prices partial full kits listed below J B Special MK 4 Convertible 84 Monoplane 78 Biplane Weighs 18 lbs Low Wing Biplane 6 Parasol Plans $2195rPlans $2195 Partial Kit 58495j- Either BothPartial Kit $0405 Full Kit 518495Full Kit 519495 Travel Air 2000 105 Classic Scale Biplaire WI 231bs Plans $2295Partial Kit $9850Full Kit $19850 Travel Air 4000 99 Radial Eng Classic Biplaire 23 lbs Plans $2295Partial Kit $9995040 Kit $21400 Fokker DVII 88 German WWI Fighter Biplane 23 lbs Plans 2495 Partial Kit $10995 Full Kit $20950 Sopuvith Tripehound 80 WWI Triplane 17 lbs Plairs $2195Partial Kit $10995Full Kit $21995 Sopwith Pup 80 WWI Biplane 19-17 lbs Plans $2195 Partial Kit $9850 Full Kil $19950 WACO UPF-7 90 Biplane 23 lbsPlaits $2395 Airplanes Landing Gear 2 wire formed nirly $995 hipping Assembled ready install $1995 $150 shippitig Wheel Pants models add $51 Cabanes $995 $1 shipping Fokker Cabanes $1495 hippittg Watch dealersahelves 60 size version Quarter Mastgr Kits Pup TA 20004000 ft JB Special Dealer Inquiries Invited Prices will change after April30 Ordering information orders shipped UPS Parcel Post Please add 53 shippiirg plaits 510 kits Make checks payable Jerry BehreirsFor fastest service send Postal money order bank check Sorry no COD will accepted Seird mail orders BENRENS PLAN SERVICE 31-27 Healy Ave. Far Rockasvay NY 11691 Phone 12121 3376987 Allow 46 weeks delivery thrust wing loading etc big yellow Micaflim-covered Sparky given 7-mm charge first flight 10 minutes second Roughly half-charged No expected what happen Total shock ran quickly true track tail-dragger gear lifted off tur bulence somewhere between two minutes flight speck on-off motor shut down model glided back up long approach across wide field about 4-ft height dragged power inputs avoid stakes near narrow road landed gently plain day airplane using on-off will fly warm day no thermals though perhaps gentle lift decrease sink rate 15 20 minutes Extra-long flights soaring seem virtually unlimited lift around Obviously glorious Wakefields yes teryear wing loadings cross-section rules applied such Korda Ron Warring jobs Frank Zaics Cahills fantas tic Clodhopper will make world-beating sport 05 Electrics scaled-up 50% Sruli wants start big Gas Korda talked aboutat 6-ft span just laid down sides own original low parasol 515 squares Geared OSs now will fly Old-Timers gassies areas up 720 sq lightweight Astro Flight has motors up 40s So-called Schoolyard Scale models dont columnists discover Gas Schoolyard needs no apolo gies will fly beautifully 02s 035s former ideal 02 gassies Dont compare Gas Electric latter new entirely different challenge love Gas floaters Old-Timers also great thrill see Electric bore heavens shut down float ready start up whenever wish Think about Wakefields Sparky right out believe-it-or-not Edi toT Srulls scaled-up Electric Sparky will future MA construction presentation Loose ends Talking about Pilot Aero Sport 19 job fly OS Schnuerle 25 observed crates seem call something equally good mid-range 25 40 power latter being just too big World Engines asks considered newly-announced OS FSR 28 bored-out 25 FSR same physical dimensions 25 FSR case available both airplane Helicopter ver sions new OS 25 FSR ABC Scotty World also notes complete ly redesigned 30 WankeL Improved metal lurgy cooling gain increased durability fewer repairs elimination old aluminum cooling shroud Scotty thinks three answer hotter 30 help bridge gap between hot 25s toobulky 40s aircraft now market People ask about recent discussion desired anti-tip-stall washout did think Pattern people would confused Some P0 Box 3957 Torrance CA 90510 Washout Pattern machine will give varia tions right-side up inverted such plots always hope maintaln adequate air speed anyway hacking around washout life insurance Cliff McBaine builds museum models must take issue Don Miller indicating use Gottingen 387 Vega Fokker Ford Trimotors MA January 1983 page 18 well docu mented gas Clark Y18 root Clark Y95 wing tip Fokker unique Fokker airfoil Ref US Civil Aircraft VoL 1 Joseph P Jupt ner According Juptner VoL 2 3 US Civil Aircraft Ford Trim otor used Gottingen 386 387 ve able locate 386 extensive file airfoll data Juptner could wrong case. or Except Vega file copy Janes Worlds Aircraft does list airfoils Vegas given modified Clark Y Also Millers long letter longhand extractions possible could have missed word such like cannot file old papers repose cartons dont question McBaines facts THE Final Word Scale Staffel Newslet ter wonderful world foam fiberglass ready-to-fly models aerody namics becoming lost art pity because aerodynamics has very INSTRU MENTAL making airplanes fly Which have terms like PIANO wire elevator HORN BELL crank wing CHORD SCALE effect mention too Take air foils would Flat plates OK have limitations gravy keeps running off edge famous men have contributed aerodynamics Bruce Bulk head inventor fuselage created hold wing tall apart wondering what call space between wing tail French chef Armand shouted dinner ready Just moment Arm replied very important contribution made Willie Flapdoodle never wor ried about plane balanced just put CG little box moved around during first few flights found right position glued place very useful CG happens outside structure stops slip stream blowing away on.. Enough already Bill Winter 4426 Altura Ct Fairfax VA 22030 AMA Building/Mankowski Continued paqe 28 names will appear Gold Mem bers Scroll Academy Leaders James S Adams Aero Bats Show Team Aero RC Syracuse Herb GET ORGANIZED s vet vi 4 sturdy ties Ihat Stids over 4 years yvur lavarte 9t t magazines 4 MAG FILES $495 Send $485 pIus 5100 mr ptstage handling DOM INDUSTRIES PO BOX 388-K DOVER NH 03820 132 ModeL Aviation JO peciai Model Magic Products Introduces Model Magic Filler Balsa & Foam Crack Ding Dent & Gap Filler Quick setting 15 mis ndng joo size Sands exactly ike balsa ano loam Water resistant set filletotool No mix ng Lightweig5t Odorless Non-Toxic Shrink-proot Cracs-free Compatible model paicts & cover ngs $595vAdd $100 UPS StIuld ounceAdd $250 UPS& COD Model Magic Products Box 7784 St Pool MN 55119 Dealer Inquiries nailedMinn Res Add 6% 21 Old Time Gas flU 12 HL Gliders 11 Contest Rubber eno 50 for 4 Satellite Kits 82183 catalog 3 Nastalgia Power Pacifiers ft LOTS OF GOOD STUFF FAI Model Supply
Edition: Model Aviation - 1983/05
Page Numbers: 18, 19, 20, 22, 24, 84, 92, 132
CLOSE ASSOCIATION models real planes really turns likely photo real plane scrutinized avidly model project never build Stories behind real planes unearthed Rubber-Scale builders Arabian Nights People turned pictures column dont expect ever hear last Piper Vagabond especially after Jim Jenkins EAA champion sharp modeler boot featured re cent issue would never guess secondmost talked about aircraftthe Martin 130 four-engined China Clipper Thirties able show chaps Clipper four 02 electric motors another nifty biggie using four OS 10s Stories beget stories lets meet Dave Bridgeswho wants build Bud Chappells gassie 130 Editor model will construction feature upcoming issue am retired captain Pan Am Dave Bridges writes have making model airplanes off past 50 years am very much impressed Bud Chappells M-130 China Clipper MAN March 1982 article MA January 1983 would like buy plans Bud build 130 also think Ken Willard itching fly flew Pan Am 1944 until 1981 Dave goes just missed Martin made trips San Francisco Hon olulu back Boeing 314 flying boat 314 bit faster M-130 18 hours versus 22 hours M-130 Boeing 747 does now 4% hours might interested bit history about M-130 designed Pan Am three built Hawaiian Clipper Philippine Clipper China Clipper based Alameda Airport California airport used now right middle Alameda Naval Station about mile inland bay Later Treasure Island built Pan Am moved base Hawaiian Clipper disappeared trace between Guam Philippines Philippine Clipper crashed near Clear Lake CA inbound Honolulu flight bad weather way no celestial fixes positions flight crew aware flying jet stream unknown days arrived about three hours early theory Captain saw lights ground attempt ed turn around fly back sea strong winds blew mountain near Clear Lake China Clipper replaced Boeing 314 sent down Carib bean met its demise Compared planes today Bridges recalls M-1 30 slow stiff con trols bit uncomfortable times no smoking board due fuel leaks part glamor now no smoking ecology check out plane find too glamorizing resist youll richly rewarded Its rather like finding trunk attic pictures forgotten ancestors Lee Renaud now have read about passing Lee Renaud Airtronics May say word about friendship early Six ties inked two plans MAN fact didnt note until long time later Lee must have needed pocket money like rest us times Still later blossomed out full-page ads RCM perhaps fea turing some great Sailplanes Daring thought crossing fingers concern went became part Cox empire itself later part Leisure Dynamics em pire lately reacquired Airtronics After own 12-year hiatus Lee sent Cox-Sanwa time its servos could stand looking later system arrived instead old serviced Lee just said deserved flew modern Airtronics stuff too wonders other folks Lee saw over rought spots point story hobby lasting friends makes ridiculous us unload anyone 18 Model Aviation U lust fun Bill Winter Variety spice lifethe theme Bostonians John Oldenkamp Theyre published soon perhaps already Model Airplane News Yes need magazines look youll see Top Right shoulder-wing motif Bellanca type lifting fuselage saucy John backing RC Bill Winter pleads him extend FF genius RC go bananas John shook fun-fly troops selecting Falconbut allows three nifties picture could adapted RC think wing decorations see five 2sor five Zs sleep Electric will knock socks off says Winter has seen fly Its Don Srulls en larged Sparky Original rubber-powered designed Ed Lidgardput out kit Comet Models years ago SruIl enlarged 64-in span 460 squares geared Leisure 05 6-cell pack Sanyo sub-Cs 11-7 prop almost out sight its first test hop half charge Winter thinks enlarged rubber jobs yesteryear great Electric sport flying construction article Srulls Electric Sparky way miffed over rules club matter kind models someone builds good anyone does lives after him Thank Lee Someday goldarnit will write column planned things people keep blowing out water go ape over club newsletters some look forward magazines magazines read things drive bananas old-boy grapevine international net work black-magic guys doing strange wonderful things Like prewar Chinese airwarning system signaling hilltop hill top Chinese could alert inland target good hour before Japanese bomb ers could get As newsletters FACs thick full crazy fun sorts R&D plans worlds strangest airplanes out remote past guys think nothing flying Handley-Page biplane transports Vick ers Vulcan ugly British torpedo planes early 20s Huge crazy-angled crates com plete ladders side pilot could climb up lofty cockpitas cleaning gutters goes forever think editors chew funny mushrooms Magazines Lets just take unending statements must never build biggie weighs 12 pounds per cubic inch displacement glow kaput kick cat despair anyone can ignore wing loading beyond 12-lb rule thumb does FROM-MODEL AIRPLANE NEWS_________________ FEBRUARY 1949 NOTE ENTIRE MODEL 31/8 FROM 3WIDE BALSA SHEET DESIGNED BY Bill Winter ERsa/W-a PROP BLOCKl X2XIO RUGGED SIMPLE AIRPLANE DESIGNED FOR SPEED III 1~ -- II 1/32 SHE 2HARDWOOD WHEELS - HJCI WING SECTION 4 TIMES1/16 SHEET Busted needing new batteries original RC Special Bill Walt Schroder planned drew flew quickie rubber-powered model day early 1948 late Howard McEntee helped get RC job going few days later does steep 180-deg turn hand-launch flies bee line Tremendous rubber motor length high power well different wasnt real competition speedster though drawing says speed model Thank Bill Gough sent print Bill Winter Christmas card Gough said flew great Winter says Gough must have able adjust original dedicated proposition straight line shortest distance between two points suit crates wrong ex ceptions crate classic lightplane like Robin Moth Did real plane have flaps fighter no-holdsbarred aerobatic machine example Haff kes rotund Gee Bee recently published MA fits ruleit also glow 90-powered Hafike has published Gee Bee good flies over 60 oz per sq ft wing loading other hand nothing wrong 18-lb Vagabond 0S 90 9/lOths 12 pounds would weigh less 11 lb can pardon mentioning 10-ft 4-in Aristocrat again 28 pounds 132 cu displacement Tartan am mortal sinner because supposed weigh 12-lb rule thumb 16 pounds would no-wind floater flies majestically 1929-30 classic should May1983 19 cant believe well-named Ugly Stik widely-loved airplane consider un known builders tail feathers decorations Thanks H Thomas picture John Oldenkamp oldies Farman Moustiques keep popping upfrom Bill Hannans favorite Peanut big RC crates offered plans firms Johns skeleton lower left 36-in Jumbo Rubber Scale job Pre-historic Farman Bipe flying before Fun columnist born too available big-plane plans Johns upper left 13-in-span Peanut Simple acres area bipe gives slow flight kind model piece de resistance Oldenkamps 23-in-span rendition Borel Hydroplane right Note undercamber reflection know weighty rollout momentumalso realistic Compare similar Stinsons etc mush along 2 cu displacement weigh average 22 25 pounds OK 12-lb rule Dont believe could take 3 cu Stinson sublime configuration good come real carried four people whereas Aristocrat carried threeand Stinson flaps olden days speed ranges often miserablethe top speeds relative stall landing speeds have lots wing area old days relatively tow powerto land easily small runwayless aerodromes farm field drop water conked out OX-S carb take off Flaps quantum leap Wing area reduced drastically better cruise means much higher wing loadings big model same general type need shoot 12-lb figure per cu Since sluggish performance persists Catch 22 situation Speed range better because flaps maintained fairly comparable landing speeds An 18- 20-lb 24-26 Stinson 2 cu would compare Aristocrat 28 lb 132 cu glow come Well spans roughly equal Aristocrat older vintage scales 18-in chord Stinson 11 9-ft plane forgetting loss due cabin width translates 4/2 sq ft difference wing areas between what looks like two similar-type planes dif ference wing loadings stupendousyes build Stinson lightweight can get use still power Flaps just fun stuff must play precisely Stinson et al want top results Consider Doc Brookes magnificent import ed kits high-priced worth huge Tiger Moth floats like feather Fantastic Sure ifs bipe ones have watched just superb weigh 30-32 lb fly majestically 2 cu old-model Quadra capable lifelike loops rolls glorious dead-stick forced landings weight 3 cu would make P-12 Yet tell us dont build over 24 lb abide 12-lb per cu thing 24 lb under rule youd almost have fly Tiger Moth like Indoor models Heavy spark-ignition engines mainstream Scale lend balance know twin-engined Kawasaki job made much Con tinued page 22 20 Model Aviation Surprise John Maloney Since manufacturers ardent modelers sneak camera detected hard work Left John tries full-throttle before takeoff Robin 1000 Brad Butler hangs gosh John dragged out Old-Timer right maybe lost its papers Brad restrains its roaring power mere finger hold Photog took Fifth no bottle silly Joe l-itzgibben 0 tiolden ge Heproductions tadoress vu uox ti uraintree MA iw guys want write him about old kit plans etc shows off rubber-powered Pacific Ace Flying Aces Club logo magazine name decal furnished Joe mem bers FAC Photo Tom Schmitt taken Durham Ctr CT contest October 1982 MEl Iii 1I1 IdilIlly ren flUUUUd gets ready fly laurn Bob Winters favorite years-old Mach 1 mu i anything wont Editorial research reveals guy started has o grand kids six greats solemnly swears wont inflict us picture tremendous mob Discriminate Scale Fliers Demand Dave Platti m perfectionist. kits prove reputation finest models RC scale has founded upon careful attention detail period over twenty years fact Im particular about kits theyre available personally make kit sign hold myself responsible reproductions genuine Dave Plast kit guarantee true outline combined force arrangement flies properly THE ULTIMA legendary beauty efficiency Spitfire 1/5 scale Accurate last subtle curve Magnificient indeed lust sitting simply awe inspiring flight Powered 90 120 glo engine bra Masimizerl ultimate Spitfire will provide intense experience sophisticated R/G modeler Span 88 Length 76 Weight 15-20 lbs ii BkckerJungmeister regular direct drive engines 60 90 65 span 1/4 scalel ace aerobatic biplane time Still fits car $139 j 3rand bold flies great staying easily transportable 1/5 scalel 79 span over 1000 sq ins 90 engines $179 New 1/4 Scale Pilot$139 Supplied unpaint ed comes in-Available /5 1/6 scale World Retracting struction booklet 3UWar II Fighter Pilots full Landing Gear Now Strengthened tor figure$15heavier ships ___Complete system St 39 HOW TO ORDERDireci Irom manulacturer no markupi Write call .we accept check money order Master Charge Visa cards pay UPS anywhere USA Florida residents add 4% sales tas Yes accept loreigo orders pay freight information model send sell addressed envelopem nave Dlatt ivuodels inc ___ 6940 NW 15th Street Plantation Florida 33313 Phone 305 587-4861 ,lfiord ii 5 ohe cooms Wingspan 56 Channels 2-3 Wing Area 690 sq Engine19-35 iopper complete 1/6 scale H/C model kit designed assemblelook fly like famous WeedhopperTM Model-C Ultralight AIRCRAFT parg aluminum structure pre-bens drilled nylon rip-slop coverings pre-sewn1/6 Scale $16995 Available choice four colors hobby shop now1/3 Scale $26995 Other ultralights available soon carlberg companies product 8170 WEST PENN AVE ROSEVILLE 1161473 PHONE 309/426-2161 news 14 lb ballast wasnt enough Some inexpensive reliableI have Quadra would never knock point individuals perception econ omy etc ignition takes preference glow well spark suits own crates Some Stinsons like cant hold altitude less full throttle some legit size ignition engines yet glow farheavier Aristocrat can make gentle Figure 8s near idleon 132 cu glow nothing Its just sug gested 12-lb bit ignition better some big crates according typebut something haywire everything contrary universally cen sored cant read anywhere Al Alman until recently director now advisor IMAAthe big-plane associationhas head screwed right practical guy digs philosophy Electric winch game talks diesels Davis heads Al has great results Davis-head Fox Eagle II turning real club prop glow engine lends itself diesalization remarkable facility chat about things RC though course love big airplanes agree planes requiring field repairs major components should flown again dayand very good reason have go along Don G 12lb per cu limit Al begins Without such reasonable guidelines too guys will doing real crazy stuff absolute means experience has proven 12-lb fsgure very practical limit power loading wing loading must also consideredand usually exceeding 12 lb per cu results excessively high wing loading think wide speed enve lope low stall speed envelope almost good romance seems Al continues glow-type engine per cubic inch will outpower gaso line-burner Auther 132 cu glow turns Top Flite 18-6 up 7000-7100 rpm roughly comparable old-model 2 cu Quadra less weight plus favorable wing loading Aris tocrat results good-flying bird what appears radically minimum power Also hot-rod type fly Aristo like should flown Its Cap 20 like its flown way analyze what both say will find really agree fly two classics no flaps hence area Aristo does Scale Procedure positive speed preciseness Naturally no vertical maneuvers involved did roll stunt real aircraft RC want good vertical performance better off power less weight loggy crate does terrible Stall Turns Wingovers piloting actually far difficult aerobaticsdont kid yourselfyou must ftrst well-grounded pilot Really want see end business hiding glow closet fits well within limits conversely 3 cu glow would break bank Monte Carlo 2 5% nitro 8% oil few dozen big-plane flights year am con cerned about fuel costs less $10 gallon other hand big-tank Kadet 40 rocking budget flies much often flights will make old-boy networkand Pappv Continued page 24 22 Model Aviation MOTOB MIIG flot tunti q.iitn intitn tiarot mew mn oini ewin nn&i, stindoin 55S inrtos ut onha bin tun. vwwi ut aneotwo poos 5 siollote cnlirtuts rito 0 n.sinronn OmY $695 U etA pemr* uosaCeno owos CaIN raalduila add sales tax tI96 139 T61 A/C LE SCHNUEALEMuffler Muffler T 61 will n litnited production durtng 1963 Swtrle ports increase fuel economy robbing power Featores include Forged Piston Con Rod hardened steel cylinder single ring double ball bearings ioneStneot cast crankcaseAvailable late spring B19 840 U-CONTROL 19 t39n 840 t49 perfect engine U-control flying Improved bypass low tension dyhes ring make 640 619 enceptional values Muffler will soon available 519 u/c available now 1161 A/C Schnuerle ported 61 provides easy starting high performance longevity FEATURES INCLUDE Sditnwt Euro odd Roost Pat Dmt 811 Rosotte Fnntd Mine Pfttor & C. Rod Rtdod Cumonlin Rod 0 noR Sod Rods Cottur 16 HP t 155CR RPM aoioltvliiitttiminrbantoorvointlro Send 100 Complete Catalog Key Chain trudovun otoattiod St ibm mono tonouwi aunt tIti eurot md deBolt writes letters crammed experimental stuff fringes oftentimes almost always works out have won argument Hal well-nigh 50 years told should use props big holes blades wouldnt laugh Ive through him strip ailer ons full-symmetrical airfoils etc flies big ger props anyone else Pylon makes work prop unloading air him George Aldrich writes Gosh Hal has forgotten want know long friendship mildly strained editor MA failed print second portion prop article faith would-be aerodynamicists compu ter engineers hordes guys tarred feathered everyone poor editor down figured world unllke wasnt ready Harold isnt theory him curiosity search better things Like Dizzy Gillespie Hal uses wildlybent trumpet interprets aerodynamics music fine dont condemn crazy horn againand some coincides much long-buried ideas new crates Hal loves racing planes big models Hes long fixation sleek Cau dron racers go big enough get required wing area fuselage reaches coast-to-coast often eye Folkers racer just differentand wouldnt mag nificent flew what would happen Im curious Wonders Hal cheat picture Zeroa bit wingy fighter fine example Japanese artistic eye lovely out llnes wing area upped other things proportion leaving fuselage alone would have sport Sport Scale use ful competition would very nice easy-to-fly sport model class wing could fudged degree per formance Zero look-alike powered soarer could P40 what ever Hal determined type answer 1/3-scale wing 1/4-scale fuselageif can find anyone agree did bet will build mad Caudron will handle easily over-scale Sig Kavalier also flying 2-Meter Sailplane rub ber power gets straight flights 1000 ft What shook him up amount rubber needed turn big Wake field prop24 strands V4 So just phoned him flipped getting about 30 ft altitude tried lower pitchand climb improved considerably power ran out like gang busters went middle now has worlds wack iest Rubber job climbs fairly well circles big prop glides like brick also busting blades Hes trying folders long discussion out old Rubber Scale days about prop block dimensions Dont ask what up Id bet 2-Meter just handy test platform Speak ing big Pylon Racing props guys write What has done lately Pylon shame Hal like ancient mariner NASA test pilot tried argue him out beef depth perception shot am school thought no real ly has lone oak tree Round Swamp Long Island embarrassed too fighter airline pilots believe Hals problem real Doc implanted some kind plastic lenses now old boy Continued page 84 24 Model Aviation COMPLETE LINE OF AMERICAN MADE ENGINES 7i7L FROM RJL IN 19831 MODEL ENGINES Made USA qualfty E4a Including Muffler OfIAbIflfY aGevice 819 840 RADIO CONTROL 819 tggm 467gm hest bet beginner Sunday flyer Improned bypass low tension dykes ring give plenty power Equipped Perry carburetor new RIL muffler MADE IN AMERICA AMERICAN TECHNOLOGY RJL Industrla ox 9654 dena CA 91107Phonw 213 359-6016 Nor Ca ACCJAC AVIONIUS ACCU ETACH LCD2R3MONITOR VOLTM ttie state K YoU get Cead DetefmIyour NiC CNARG Makes accura1ct idle thru~afge Wit safely fast chargbY topend justment batteri5 Wik pack ~ tinY gals out Se d0 Ioam5St TX/IX ba atchIn 519a h dual scale r iOOX cycle wit i tery combosage drop capabiljitthfull Charge electronics 95 ORDER YOURS NOW 7 9 Pd Send check money order no CODs NorCal AVIONICS Inc PO Box 70956 sunnyvale CA 94086 California residents add 60/o tax Add $300 shipping outside continental USA Dealer inquiries invited 0tm ctitjPccJiJ 615 So Gallatin Rd son TN 37115 615 868-6811_____ Mon thru Sat am 500 pm RTER & GIANT SCALE S IMQOELERS.RADIO SYSTEMS I-- -FUTABAand ROYAL ACCESSORIES FOR j MOST RADIOS LLIT-SAP need LLIT-SAP multiple servo LONG LEAD INTERFERENCE TRAP & SERVO ALTERNATE POWER adap tar Specify radIo ordering $2995 postage paid send large SSAE for literature Safety/Preston Continued page 16 final word frequency control Whichever ystem prefer goes saying C flying fields should have transmitter im pound impound frequency control board same structure trip impound obtain ones transmitter should prompt old memory also doing whatever necessary indicate use frequency Transmitters scattered willy-nilly throughout pit area sure-fire way leaving oneself open frequency abuse inevitable shoot-down Now can get pen paper drop line subject Which frequency control system foolproof simple popularity model diesel engines suggests word warning diesel fuel principal tngredient makes model diesel engine oper ate benefit glow plug ether volatility ether greatly exceeds methyl alcohol Treat ether diesel fuel would gasoline Dont keep basement beside furnace gas hot water heater mix own diesel fuel outside away ig nttion source Remember ether used used anesthetic back old days avoid breath ing fumes last tip comes fellow club member Lou Bruhn really suggstion makers RC equipment latest crop transmitters appear have about exhausted number whistles bells can realistically use ful making easier control set up model Lou suggests adding built-in frequency monitor transmitter person already has everything else way might work would use three-position switch instead current two-position On/Off switch Switching transmitter would become two-step affair Going Off first position would turn frequency monitor would indicate either audible tone meter whether channel clear no incoming signal present would comfortable switching third position switch would turn transmitter turn off frequency monitor Just though might further decrease num ber accidental shoot-downs Have safe month John Preston 7012 LIvira Cr Falls Church VA 22042 Fun/Winter Continued page 24 pardon Hal hes back sharper flying Im jealous cant judge height coming over fence landings up down ttrip often rough Props prove interesting Hal tells us still speaking 2-Meter rubber power Wakefield sizes provided limited climb long low flight ground effect much smaller low-pitched prop gave good climb altitude much distance Something between gave decent altitude much longer cruise altitude plus longest distancethe realistic flight same amount rubber limited cost ability wind What noticed big props continues once two-thirds winds gone better stopping prop Fold During last portion Continued page 92 84 Model Aviation SUMLI UI-1llMUISJI.3/ti UIALI b MIIUUS Send5OforcatalogN 216-499-5323 RC Kits Mfg\ . 706 Easton NE\ IL Canton OH 44721 N STEPHENS ACRO REPAIR SERVICE FOR HOBBY LOBBY EI LOGICTROL FUTABA HOBBY SHACK ROYAL LINE Fun/Winter nntinnrf oaoe 84 Complete automatic operation Erases Charges Checks Rapid charges 35 mm typically Automatically repairs shorted cells No dangerous heat build up Front panel selects up 3 different packs Unlimited battery combinations program modules user programable LEO status indicators Supplied universal EZ hook wire leads Specify Voltage Battery Packlel order program module included onal modules $225 $8900 plus $400 Shipping PA Residents add 6% seles tax Coming Soon iple pack memory erase charger municiple commercial applications write information send requirements GMS 401 complete automatic NICAI condi tioner rapid charger Never before has offered anywhere price its good its ing patented NICAD memory characteristics must dealtwith otherwise battery pack delivering could OMS 401 will automatically erase rapid charge type NICAD pack 1 10 cells CONTROL PRODUCTS UNLIMITED INC PO Box 10 Downingtown PA 19335 215-383-6395 flight slow-turning prop actually increases sink rate Basic suppose unless could reduce flying speed prop did act like brake Srull prop shape parallels find ings Gas props Author Srull acquired technical paper conclusion wide point prop should one-third out blade length outer twothirds rather pointedit works wonders Rubber Scale helps reduce drag hub tip might find some progressive airfoils interesting play latest best prop Quadra 20-12 drag reduction ideas Most guys snicker until see unload pull air surprise noise reduction Noticeably quieter air Leads believe other props ing bit air thrashing instead pulling Sound seems good gauge work props could go forever.. may shock Electric world ap pears scaling-up old sport Rubber jobs yields better performance compared virtually snub-nosed highdrag Gas Old-Timers Perhaps ultimate Electric sport Electric already splitting resplitting widely diverging configurations RC general Most newcomers putting OSs Sailplaneslike Gentle Lady Winddrifter II like son Mike Top Flite Metrick gets slip pery Others using reduction-drive iSs Scale Porterfields like Still others go Buzzards etc same 15 though new OSs can fly too Some go multi-engine 02s 035s etc especially Scale types because power thrust an& never have engine-out crisis Tiny bombs single double 02s will scream up 90 mph 4-pt rolls Really hot pilots convert Barbarian Electric advanced aerobatics ship will talk about pretty climbs like crazy though skyrocket glides beautifully Cutting right through middle everything its sensa tionaL will knock socks off Ive got drag Don Srull Substi tute Joe Charlie Ike own group wish Now older modelers will remember Ed Lidgards Sparky Rubber design Comet Ed eye beauty pro portionsone all-time greats Sparky just showed up another mag different form Sparky spans 64 has 460 sq area Leisure geared 05 turning 11-7 although 1 l-7 11-8 may better Electric guys cramming sorts multi-cell packs Seven sub-Cs favorite 05 Both Dons have stan dard factory-supplied 6 sub-C Sanyos Leisures big Playboy RC-assist FF Other points can fly well recommended charge rates periods factory-supplied chargers anything over 05 requires voltage doubler well convert car battery 12V say 28 30 want precise charge anything gives absolute maximum power overcharging need charger digital readout 1/lOOths volt digital voltmeter say Radio Shack Things still too new model forms proliferating definitive answers yet come tradeoffs between voltage weight Continued page 132 92 Model Aviation NICAD MEMORY ERASE ? Fun/Winter Continued page 92 GIANT SCALE & SPORT PLANS SETS & KITS order contains concise construction manual Partial kits include precut wing ribs fuselage formers prebent lending gear Full kits include everything above plus strip wood necessary hardware assembled landing gear cabane struts fiberglass cowl wheelpants required already hsve plan sets may deduct $1090 prices partial full kits listed below J B Special MK 4 Convertible 84 Monoplane 78 Biplane Weighs 18 lbs Low Wing Biplane 6 Parasol Plans $2195rPlans $2195 Partial Kit 58495j- Either BothPartial Kit $0405 Full Kit 518495Full Kit 519495 Travel Air 2000 105 Classic Scale Biplaire WI 231bs Plans $2295Partial Kit $9850Full Kit $19850 Travel Air 4000 99 Radial Eng Classic Biplaire 23 lbs Plans $2295Partial Kit $9995040 Kit $21400 Fokker DVII 88 German WWI Fighter Biplane 23 lbs Plans 2495 Partial Kit $10995 Full Kit $20950 Sopuvith Tripehound 80 WWI Triplane 17 lbs Plairs $2195Partial Kit $10995Full Kit $21995 Sopwith Pup 80 WWI Biplane 19-17 lbs Plans $2195 Partial Kit $9850 Full Kil $19950 WACO UPF-7 90 Biplane 23 lbsPlaits $2395 Airplanes Landing Gear 2 wire formed nirly $995 hipping Assembled ready install $1995 $150 shippitig Wheel Pants models add $51 Cabanes $995 $1 shipping Fokker Cabanes $1495 hippittg Watch dealersahelves 60 size version Quarter Mastgr Kits Pup TA 20004000 ft JB Special Dealer Inquiries Invited Prices will change after April30 Ordering information orders shipped UPS Parcel Post Please add 53 shippiirg plaits 510 kits Make checks payable Jerry BehreirsFor fastest service send Postal money order bank check Sorry no COD will accepted Seird mail orders BENRENS PLAN SERVICE 31-27 Healy Ave. Far Rockasvay NY 11691 Phone 12121 3376987 Allow 46 weeks delivery thrust wing loading etc big yellow Micaflim-covered Sparky given 7-mm charge first flight 10 minutes second Roughly half-charged No expected what happen Total shock ran quickly true track tail-dragger gear lifted off tur bulence somewhere between two minutes flight speck on-off motor shut down model glided back up long approach across wide field about 4-ft height dragged power inputs avoid stakes near narrow road landed gently plain day airplane using on-off will fly warm day no thermals though perhaps gentle lift decrease sink rate 15 20 minutes Extra-long flights soaring seem virtually unlimited lift around Obviously glorious Wakefields yes teryear wing loadings cross-section rules applied such Korda Ron Warring jobs Frank Zaics Cahills fantas tic Clodhopper will make world-beating sport 05 Electrics scaled-up 50% Sruli wants start big Gas Korda talked aboutat 6-ft span just laid down sides own original low parasol 515 squares Geared OSs now will fly Old-Timers gassies areas up 720 sq lightweight Astro Flight has motors up 40s So-called Schoolyard Scale models dont columnists discover Gas Schoolyard needs no apolo gies will fly beautifully 02s 035s former ideal 02 gassies Dont compare Gas Electric latter new entirely different challenge love Gas floaters Old-Timers also great thrill see Electric bore heavens shut down float ready start up whenever wish Think about Wakefields Sparky right out believe-it-or-not Edi toT Srulls scaled-up Electric Sparky will future MA construction presentation Loose ends Talking about Pilot Aero Sport 19 job fly OS Schnuerle 25 observed crates seem call something equally good mid-range 25 40 power latter being just too big World Engines asks considered newly-announced OS FSR 28 bored-out 25 FSR same physical dimensions 25 FSR case available both airplane Helicopter ver sions new OS 25 FSR ABC Scotty World also notes complete ly redesigned 30 WankeL Improved metal lurgy cooling gain increased durability fewer repairs elimination old aluminum cooling shroud Scotty thinks three answer hotter 30 help bridge gap between hot 25s toobulky 40s aircraft now market People ask about recent discussion desired anti-tip-stall washout did think Pattern people would confused Some P0 Box 3957 Torrance CA 90510 Washout Pattern machine will give varia tions right-side up inverted such plots always hope maintaln adequate air speed anyway hacking around washout life insurance Cliff McBaine builds museum models must take issue Don Miller indicating use Gottingen 387 Vega Fokker Ford Trimotors MA January 1983 page 18 well docu mented gas Clark Y18 root Clark Y95 wing tip Fokker unique Fokker airfoil Ref US Civil Aircraft VoL 1 Joseph P Jupt ner According Juptner VoL 2 3 US Civil Aircraft Ford Trim otor used Gottingen 386 387 ve able locate 386 extensive file airfoll data Juptner could wrong case. or Except Vega file copy Janes Worlds Aircraft does list airfoils Vegas given modified Clark Y Also Millers long letter longhand extractions possible could have missed word such like cannot file old papers repose cartons dont question McBaines facts THE Final Word Scale Staffel Newslet ter wonderful world foam fiberglass ready-to-fly models aerody namics becoming lost art pity because aerodynamics has very INSTRU MENTAL making airplanes fly Which have terms like PIANO wire elevator HORN BELL crank wing CHORD SCALE effect mention too Take air foils would Flat plates OK have limitations gravy keeps running off edge famous men have contributed aerodynamics Bruce Bulk head inventor fuselage created hold wing tall apart wondering what call space between wing tail French chef Armand shouted dinner ready Just moment Arm replied very important contribution made Willie Flapdoodle never wor ried about plane balanced just put CG little box moved around during first few flights found right position glued place very useful CG happens outside structure stops slip stream blowing away on.. Enough already Bill Winter 4426 Altura Ct Fairfax VA 22030 AMA Building/Mankowski Continued paqe 28 names will appear Gold Mem bers Scroll Academy Leaders James S Adams Aero Bats Show Team Aero RC Syracuse Herb GET ORGANIZED s vet vi 4 sturdy ties Ihat Stids over 4 years yvur lavarte 9t t magazines 4 MAG FILES $495 Send $485 pIus 5100 mr ptstage handling DOM INDUSTRIES PO BOX 388-K DOVER NH 03820 132 ModeL Aviation JO peciai Model Magic Products Introduces Model Magic Filler Balsa & Foam Crack Ding Dent & Gap Filler Quick setting 15 mis ndng joo size Sands exactly ike balsa ano loam Water resistant set filletotool No mix ng Lightweig5t Odorless Non-Toxic Shrink-proot Cracs-free Compatible model paicts & cover ngs $595vAdd $100 UPS StIuld ounceAdd $250 UPS& COD Model Magic Products Box 7784 St Pool MN 55119 Dealer Inquiries nailedMinn Res Add 6% 21 Old Time Gas flU 12 HL Gliders 11 Contest Rubber eno 50 for 4 Satellite Kits 82183 catalog 3 Nastalgia Power Pacifiers ft LOTS OF GOOD STUFF FAI Model Supply
Edition: Model Aviation - 1983/05
Page Numbers: 18, 19, 20, 22, 24, 84, 92, 132
CLOSE ASSOCIATION models real planes really turns likely photo real plane scrutinized avidly model project never build Stories behind real planes unearthed Rubber-Scale builders Arabian Nights People turned pictures column dont expect ever hear last Piper Vagabond especially after Jim Jenkins EAA champion sharp modeler boot featured re cent issue would never guess secondmost talked about aircraftthe Martin 130 four-engined China Clipper Thirties able show chaps Clipper four 02 electric motors another nifty biggie using four OS 10s Stories beget stories lets meet Dave Bridgeswho wants build Bud Chappells gassie 130 Editor model will construction feature upcoming issue am retired captain Pan Am Dave Bridges writes have making model airplanes off past 50 years am very much impressed Bud Chappells M-130 China Clipper MAN March 1982 article MA January 1983 would like buy plans Bud build 130 also think Ken Willard itching fly flew Pan Am 1944 until 1981 Dave goes just missed Martin made trips San Francisco Hon olulu back Boeing 314 flying boat 314 bit faster M-130 18 hours versus 22 hours M-130 Boeing 747 does now 4% hours might interested bit history about M-130 designed Pan Am three built Hawaiian Clipper Philippine Clipper China Clipper based Alameda Airport California airport used now right middle Alameda Naval Station about mile inland bay Later Treasure Island built Pan Am moved base Hawaiian Clipper disappeared trace between Guam Philippines Philippine Clipper crashed near Clear Lake CA inbound Honolulu flight bad weather way no celestial fixes positions flight crew aware flying jet stream unknown days arrived about three hours early theory Captain saw lights ground attempt ed turn around fly back sea strong winds blew mountain near Clear Lake China Clipper replaced Boeing 314 sent down Carib bean met its demise Compared planes today Bridges recalls M-1 30 slow stiff con trols bit uncomfortable times no smoking board due fuel leaks part glamor now no smoking ecology check out plane find too glamorizing resist youll richly rewarded Its rather like finding trunk attic pictures forgotten ancestors Lee Renaud now have read about passing Lee Renaud Airtronics May say word about friendship early Six ties inked two plans MAN fact didnt note until long time later Lee must have needed pocket money like rest us times Still later blossomed out full-page ads RCM perhaps fea turing some great Sailplanes Daring thought crossing fingers concern went became part Cox empire itself later part Leisure Dynamics em pire lately reacquired Airtronics After own 12-year hiatus Lee sent Cox-Sanwa time its servos could stand looking later system arrived instead old serviced Lee just said deserved flew modern Airtronics stuff too wonders other folks Lee saw over rought spots point story hobby lasting friends makes ridiculous us unload anyone 18 Model Aviation U lust fun Bill Winter Variety spice lifethe theme Bostonians John Oldenkamp Theyre published soon perhaps already Model Airplane News Yes need magazines look youll see Top Right shoulder-wing motif Bellanca type lifting fuselage saucy John backing RC Bill Winter pleads him extend FF genius RC go bananas John shook fun-fly troops selecting Falconbut allows three nifties picture could adapted RC think wing decorations see five 2sor five Zs sleep Electric will knock socks off says Winter has seen fly Its Don Srulls en larged Sparky Original rubber-powered designed Ed Lidgardput out kit Comet Models years ago SruIl enlarged 64-in span 460 squares geared Leisure 05 6-cell pack Sanyo sub-Cs 11-7 prop almost out sight its first test hop half charge Winter thinks enlarged rubber jobs yesteryear great Electric sport flying construction article Srulls Electric Sparky way miffed over rules club matter kind models someone builds good anyone does lives after him Thank Lee Someday goldarnit will write column planned things people keep blowing out water go ape over club newsletters some look forward magazines magazines read things drive bananas old-boy grapevine international net work black-magic guys doing strange wonderful things Like prewar Chinese airwarning system signaling hilltop hill top Chinese could alert inland target good hour before Japanese bomb ers could get As newsletters FACs thick full crazy fun sorts R&D plans worlds strangest airplanes out remote past guys think nothing flying Handley-Page biplane transports Vick ers Vulcan ugly British torpedo planes early 20s Huge crazy-angled crates com plete ladders side pilot could climb up lofty cockpitas cleaning gutters goes forever think editors chew funny mushrooms Magazines Lets just take unending statements must never build biggie weighs 12 pounds per cubic inch displacement glow kaput kick cat despair anyone can ignore wing loading beyond 12-lb rule thumb does FROM-MODEL AIRPLANE NEWS_________________ FEBRUARY 1949 NOTE ENTIRE MODEL 31/8 FROM 3WIDE BALSA SHEET DESIGNED BY Bill Winter ERsa/W-a PROP BLOCKl X2XIO RUGGED SIMPLE AIRPLANE DESIGNED FOR SPEED III 1~ -- II 1/32 SHE 2HARDWOOD WHEELS - HJCI WING SECTION 4 TIMES1/16 SHEET Busted needing new batteries original RC Special Bill Walt Schroder planned drew flew quickie rubber-powered model day early 1948 late Howard McEntee helped get RC job going few days later does steep 180-deg turn hand-launch flies bee line Tremendous rubber motor length high power well different wasnt real competition speedster though drawing says speed model Thank Bill Gough sent print Bill Winter Christmas card Gough said flew great Winter says Gough must have able adjust original dedicated proposition straight line shortest distance between two points suit crates wrong ex ceptions crate classic lightplane like Robin Moth Did real plane have flaps fighter no-holdsbarred aerobatic machine example Haff kes rotund Gee Bee recently published MA fits ruleit also glow 90-powered Hafike has published Gee Bee good flies over 60 oz per sq ft wing loading other hand nothing wrong 18-lb Vagabond 0S 90 9/lOths 12 pounds would weigh less 11 lb can pardon mentioning 10-ft 4-in Aristocrat again 28 pounds 132 cu displacement Tartan am mortal sinner because supposed weigh 12-lb rule thumb 16 pounds would no-wind floater flies majestically 1929-30 classic should May1983 19 cant believe well-named Ugly Stik widely-loved airplane consider un known builders tail feathers decorations Thanks H Thomas picture John Oldenkamp oldies Farman Moustiques keep popping upfrom Bill Hannans favorite Peanut big RC crates offered plans firms Johns skeleton lower left 36-in Jumbo Rubber Scale job Pre-historic Farman Bipe flying before Fun columnist born too available big-plane plans Johns upper left 13-in-span Peanut Simple acres area bipe gives slow flight kind model piece de resistance Oldenkamps 23-in-span rendition Borel Hydroplane right Note undercamber reflection know weighty rollout momentumalso realistic Compare similar Stinsons etc mush along 2 cu displacement weigh average 22 25 pounds OK 12-lb rule Dont believe could take 3 cu Stinson sublime configuration good come real carried four people whereas Aristocrat carried threeand Stinson flaps olden days speed ranges often miserablethe top speeds relative stall landing speeds have lots wing area old days relatively tow powerto land easily small runwayless aerodromes farm field drop water conked out OX-S carb take off Flaps quantum leap Wing area reduced drastically better cruise means much higher wing loadings big model same general type need shoot 12-lb figure per cu Since sluggish performance persists Catch 22 situation Speed range better because flaps maintained fairly comparable landing speeds An 18- 20-lb 24-26 Stinson 2 cu would compare Aristocrat 28 lb 132 cu glow come Well spans roughly equal Aristocrat older vintage scales 18-in chord Stinson 11 9-ft plane forgetting loss due cabin width translates 4/2 sq ft difference wing areas between what looks like two similar-type planes dif ference wing loadings stupendousyes build Stinson lightweight can get use still power Flaps just fun stuff must play precisely Stinson et al want top results Consider Doc Brookes magnificent import ed kits high-priced worth huge Tiger Moth floats like feather Fantastic Sure ifs bipe ones have watched just superb weigh 30-32 lb fly majestically 2 cu old-model Quadra capable lifelike loops rolls glorious dead-stick forced landings weight 3 cu would make P-12 Yet tell us dont build over 24 lb abide 12-lb per cu thing 24 lb under rule youd almost have fly Tiger Moth like Indoor models Heavy spark-ignition engines mainstream Scale lend balance know twin-engined Kawasaki job made much Con tinued page 22 20 Model Aviation Surprise John Maloney Since manufacturers ardent modelers sneak camera detected hard work Left John tries full-throttle before takeoff Robin 1000 Brad Butler hangs gosh John dragged out Old-Timer right maybe lost its papers Brad restrains its roaring power mere finger hold Photog took Fifth no bottle silly Joe l-itzgibben 0 tiolden ge Heproductions tadoress vu uox ti uraintree MA iw guys want write him about old kit plans etc shows off rubber-powered Pacific Ace Flying Aces Club logo magazine name decal furnished Joe mem bers FAC Photo Tom Schmitt taken Durham Ctr CT contest October 1982 MEl Iii 1I1 IdilIlly ren flUUUUd gets ready fly laurn Bob Winters favorite years-old Mach 1 mu i anything wont Editorial research reveals guy started has o grand kids six greats solemnly swears wont inflict us picture tremendous mob Discriminate Scale Fliers Demand Dave Platti m perfectionist. kits prove reputation finest models RC scale has founded upon careful attention detail period over twenty years fact Im particular about kits theyre available personally make kit sign hold myself responsible reproductions genuine Dave Plast kit guarantee true outline combined force arrangement flies properly THE ULTIMA legendary beauty efficiency Spitfire 1/5 scale Accurate last subtle curve Magnificient indeed lust sitting simply awe inspiring flight Powered 90 120 glo engine bra Masimizerl ultimate Spitfire will provide intense experience sophisticated R/G modeler Span 88 Length 76 Weight 15-20 lbs ii BkckerJungmeister regular direct drive engines 60 90 65 span 1/4 scalel ace aerobatic biplane time Still fits car $139 j 3rand bold flies great staying easily transportable 1/5 scalel 79 span over 1000 sq ins 90 engines $179 New 1/4 Scale Pilot$139 Supplied unpaint ed comes in-Available /5 1/6 scale World Retracting struction booklet 3UWar II Fighter Pilots full Landing Gear Now Strengthened tor figure$15heavier ships ___Complete system St 39 HOW TO ORDERDireci Irom manulacturer no markupi Write call .we accept check money order Master Charge Visa cards pay UPS anywhere USA Florida residents add 4% sales tas Yes accept loreigo orders pay freight information model send sell addressed envelopem nave Dlatt ivuodels inc ___ 6940 NW 15th Street Plantation Florida 33313 Phone 305 587-4861 ,lfiord ii 5 ohe cooms Wingspan 56 Channels 2-3 Wing Area 690 sq Engine19-35 iopper complete 1/6 scale H/C model kit designed assemblelook fly like famous WeedhopperTM Model-C Ultralight AIRCRAFT parg aluminum structure pre-bens drilled nylon rip-slop coverings pre-sewn1/6 Scale $16995 Available choice four colors hobby shop now1/3 Scale $26995 Other ultralights available soon carlberg companies product 8170 WEST PENN AVE ROSEVILLE 1161473 PHONE 309/426-2161 news 14 lb ballast wasnt enough Some inexpensive reliableI have Quadra would never knock point individuals perception econ omy etc ignition takes preference glow well spark suits own crates Some Stinsons like cant hold altitude less full throttle some legit size ignition engines yet glow farheavier Aristocrat can make gentle Figure 8s near idleon 132 cu glow nothing Its just sug gested 12-lb bit ignition better some big crates according typebut something haywire everything contrary universally cen sored cant read anywhere Al Alman until recently director now advisor IMAAthe big-plane associationhas head screwed right practical guy digs philosophy Electric winch game talks diesels Davis heads Al has great results Davis-head Fox Eagle II turning real club prop glow engine lends itself diesalization remarkable facility chat about things RC though course love big airplanes agree planes requiring field repairs major components should flown again dayand very good reason have go along Don G 12lb per cu limit Al begins Without such reasonable guidelines too guys will doing real crazy stuff absolute means experience has proven 12-lb fsgure very practical limit power loading wing loading must also consideredand usually exceeding 12 lb per cu results excessively high wing loading think wide speed enve lope low stall speed envelope almost good romance seems Al continues glow-type engine per cubic inch will outpower gaso line-burner Auther 132 cu glow turns Top Flite 18-6 up 7000-7100 rpm roughly comparable old-model 2 cu Quadra less weight plus favorable wing loading Aris tocrat results good-flying bird what appears radically minimum power Also hot-rod type fly Aristo like should flown Its Cap 20 like its flown way analyze what both say will find really agree fly two classics no flaps hence area Aristo does Scale Procedure positive speed preciseness Naturally no vertical maneuvers involved did roll stunt real aircraft RC want good vertical performance better off power less weight loggy crate does terrible Stall Turns Wingovers piloting actually far difficult aerobaticsdont kid yourselfyou must ftrst well-grounded pilot Really want see end business hiding glow closet fits well within limits conversely 3 cu glow would break bank Monte Carlo 2 5% nitro 8% oil few dozen big-plane flights year am con cerned about fuel costs less $10 gallon other hand big-tank Kadet 40 rocking budget flies much often flights will make old-boy networkand Pappv Continued page 24 22 Model Aviation MOTOB MIIG flot tunti q.iitn intitn tiarot mew mn oini ewin nn&i, stindoin 55S inrtos ut onha bin tun. vwwi ut aneotwo poos 5 siollote cnlirtuts rito 0 n.sinronn OmY $695 U etA pemr* uosaCeno owos CaIN raalduila add sales tax tI96 139 T61 A/C LE SCHNUEALEMuffler Muffler T 61 will n litnited production durtng 1963 Swtrle ports increase fuel economy robbing power Featores include Forged Piston Con Rod hardened steel cylinder single ring double ball bearings ioneStneot cast crankcaseAvailable late spring B19 840 U-CONTROL 19 t39n 840 t49 perfect engine U-control flying Improved bypass low tension dyhes ring make 640 619 enceptional values Muffler will soon available 519 u/c available now 1161 A/C Schnuerle ported 61 provides easy starting high performance longevity FEATURES INCLUDE Sditnwt Euro odd Roost Pat Dmt 811 Rosotte Fnntd Mine Pfttor & C. Rod Rtdod Cumonlin Rod 0 noR Sod Rods Cottur 16 HP t 155CR RPM aoioltvliiitttiminrbantoorvointlro Send 100 Complete Catalog Key Chain trudovun otoattiod St ibm mono tonouwi aunt tIti eurot md deBolt writes letters crammed experimental stuff fringes oftentimes almost always works out have won argument Hal well-nigh 50 years told should use props big holes blades wouldnt laugh Ive through him strip ailer ons full-symmetrical airfoils etc flies big ger props anyone else Pylon makes work prop unloading air him George Aldrich writes Gosh Hal has forgotten want know long friendship mildly strained editor MA failed print second portion prop article faith would-be aerodynamicists compu ter engineers hordes guys tarred feathered everyone poor editor down figured world unllke wasnt ready Harold isnt theory him curiosity search better things Like Dizzy Gillespie Hal uses wildlybent trumpet interprets aerodynamics music fine dont condemn crazy horn againand some coincides much long-buried ideas new crates Hal loves racing planes big models Hes long fixation sleek Cau dron racers go big enough get required wing area fuselage reaches coast-to-coast often eye Folkers racer just differentand wouldnt mag nificent flew what would happen Im curious Wonders Hal cheat picture Zeroa bit wingy fighter fine example Japanese artistic eye lovely out llnes wing area upped other things proportion leaving fuselage alone would have sport Sport Scale use ful competition would very nice easy-to-fly sport model class wing could fudged degree per formance Zero look-alike powered soarer could P40 what ever Hal determined type answer 1/3-scale wing 1/4-scale fuselageif can find anyone agree did bet will build mad Caudron will handle easily over-scale Sig Kavalier also flying 2-Meter Sailplane rub ber power gets straight flights 1000 ft What shook him up amount rubber needed turn big Wake field prop24 strands V4 So just phoned him flipped getting about 30 ft altitude tried lower pitchand climb improved considerably power ran out like gang busters went middle now has worlds wack iest Rubber job climbs fairly well circles big prop glides like brick also busting blades Hes trying folders long discussion out old Rubber Scale days about prop block dimensions Dont ask what up Id bet 2-Meter just handy test platform Speak ing big Pylon Racing props guys write What has done lately Pylon shame Hal like ancient mariner NASA test pilot tried argue him out beef depth perception shot am school thought no real ly has lone oak tree Round Swamp Long Island embarrassed too fighter airline pilots believe Hals problem real Doc implanted some kind plastic lenses now old boy Continued page 84 24 Model Aviation COMPLETE LINE OF AMERICAN MADE ENGINES 7i7L FROM RJL IN 19831 MODEL ENGINES Made USA qualfty E4a Including Muffler OfIAbIflfY aGevice 819 840 RADIO CONTROL 819 tggm 467gm hest bet beginner Sunday flyer Improned bypass low tension dykes ring give plenty power Equipped Perry carburetor new RIL muffler MADE IN AMERICA AMERICAN TECHNOLOGY RJL Industrla ox 9654 dena CA 91107Phonw 213 359-6016 Nor Ca ACCJAC AVIONIUS ACCU ETACH LCD2R3MONITOR VOLTM ttie state K YoU get Cead DetefmIyour NiC CNARG Makes accura1ct idle thru~afge Wit safely fast chargbY topend justment batteri5 Wik pack ~ tinY gals out Se d0 Ioam5St TX/IX ba atchIn 519a h dual scale r iOOX cycle wit i tery combosage drop capabiljitthfull Charge electronics 95 ORDER YOURS NOW 7 9 Pd Send check money order no CODs NorCal AVIONICS Inc PO Box 70956 sunnyvale CA 94086 California residents add 60/o tax Add $300 shipping outside continental USA Dealer inquiries invited 0tm ctitjPccJiJ 615 So Gallatin Rd son TN 37115 615 868-6811_____ Mon thru Sat am 500 pm RTER & GIANT SCALE S IMQOELERS.RADIO SYSTEMS I-- -FUTABAand ROYAL ACCESSORIES FOR j MOST RADIOS LLIT-SAP need LLIT-SAP multiple servo LONG LEAD INTERFERENCE TRAP & SERVO ALTERNATE POWER adap tar Specify radIo ordering $2995 postage paid send large SSAE for literature Safety/Preston Continued page 16 final word frequency control Whichever ystem prefer goes saying C flying fields should have transmitter im pound impound frequency control board same structure trip impound obtain ones transmitter should prompt old memory also doing whatever necessary indicate use frequency Transmitters scattered willy-nilly throughout pit area sure-fire way leaving oneself open frequency abuse inevitable shoot-down Now can get pen paper drop line subject Which frequency control system foolproof simple popularity model diesel engines suggests word warning diesel fuel principal tngredient makes model diesel engine oper ate benefit glow plug ether volatility ether greatly exceeds methyl alcohol Treat ether diesel fuel would gasoline Dont keep basement beside furnace gas hot water heater mix own diesel fuel outside away ig nttion source Remember ether used used anesthetic back old days avoid breath ing fumes last tip comes fellow club member Lou Bruhn really suggstion makers RC equipment latest crop transmitters appear have about exhausted number whistles bells can realistically use ful making easier control set up model Lou suggests adding built-in frequency monitor transmitter person already has everything else way might work would use three-position switch instead current two-position On/Off switch Switching transmitter would become two-step affair Going Off first position would turn frequency monitor would indicate either audible tone meter whether channel clear no incoming signal present would comfortable switching third position switch would turn transmitter turn off frequency monitor Just though might further decrease num ber accidental shoot-downs Have safe month John Preston 7012 LIvira Cr Falls Church VA 22042 Fun/Winter Continued page 24 pardon Hal hes back sharper flying Im jealous cant judge height coming over fence landings up down ttrip often rough Props prove interesting Hal tells us still speaking 2-Meter rubber power Wakefield sizes provided limited climb long low flight ground effect much smaller low-pitched prop gave good climb altitude much distance Something between gave decent altitude much longer cruise altitude plus longest distancethe realistic flight same amount rubber limited cost ability wind What noticed big props continues once two-thirds winds gone better stopping prop Fold During last portion Continued page 92 84 Model Aviation SUMLI UI-1llMUISJI.3/ti UIALI b MIIUUS Send5OforcatalogN 216-499-5323 RC Kits Mfg\ . 706 Easton NE\ IL Canton OH 44721 N STEPHENS ACRO REPAIR SERVICE FOR HOBBY LOBBY EI LOGICTROL FUTABA HOBBY SHACK ROYAL LINE Fun/Winter nntinnrf oaoe 84 Complete automatic operation Erases Charges Checks Rapid charges 35 mm typically Automatically repairs shorted cells No dangerous heat build up Front panel selects up 3 different packs Unlimited battery combinations program modules user programable LEO status indicators Supplied universal EZ hook wire leads Specify Voltage Battery Packlel order program module included onal modules $225 $8900 plus $400 Shipping PA Residents add 6% seles tax Coming Soon iple pack memory erase charger municiple commercial applications write information send requirements GMS 401 complete automatic NICAI condi tioner rapid charger Never before has offered anywhere price its good its ing patented NICAD memory characteristics must dealtwith otherwise battery pack delivering could OMS 401 will automatically erase rapid charge type NICAD pack 1 10 cells CONTROL PRODUCTS UNLIMITED INC PO Box 10 Downingtown PA 19335 215-383-6395 flight slow-turning prop actually increases sink rate Basic suppose unless could reduce flying speed prop did act like brake Srull prop shape parallels find ings Gas props Author Srull acquired technical paper conclusion wide point prop should one-third out blade length outer twothirds rather pointedit works wonders Rubber Scale helps reduce drag hub tip might find some progressive airfoils interesting play latest best prop Quadra 20-12 drag reduction ideas Most guys snicker until see unload pull air surprise noise reduction Noticeably quieter air Leads believe other props ing bit air thrashing instead pulling Sound seems good gauge work props could go forever.. may shock Electric world ap pears scaling-up old sport Rubber jobs yields better performance compared virtually snub-nosed highdrag Gas Old-Timers Perhaps ultimate Electric sport Electric already splitting resplitting widely diverging configurations RC general Most newcomers putting OSs Sailplaneslike Gentle Lady Winddrifter II like son Mike Top Flite Metrick gets slip pery Others using reduction-drive iSs Scale Porterfields like Still others go Buzzards etc same 15 though new OSs can fly too Some go multi-engine 02s 035s etc especially Scale types because power thrust an& never have engine-out crisis Tiny bombs single double 02s will scream up 90 mph 4-pt rolls Really hot pilots convert Barbarian Electric advanced aerobatics ship will talk about pretty climbs like crazy though skyrocket glides beautifully Cutting right through middle everything its sensa tionaL will knock socks off Ive got drag Don Srull Substi tute Joe Charlie Ike own group wish Now older modelers will remember Ed Lidgards Sparky Rubber design Comet Ed eye beauty pro portionsone all-time greats Sparky just showed up another mag different form Sparky spans 64 has 460 sq area Leisure geared 05 turning 11-7 although 1 l-7 11-8 may better Electric guys cramming sorts multi-cell packs Seven sub-Cs favorite 05 Both Dons have stan dard factory-supplied 6 sub-C Sanyos Leisures big Playboy RC-assist FF Other points can fly well recommended charge rates periods factory-supplied chargers anything over 05 requires voltage doubler well convert car battery 12V say 28 30 want precise charge anything gives absolute maximum power overcharging need charger digital readout 1/lOOths volt digital voltmeter say Radio Shack Things still too new model forms proliferating definitive answers yet come tradeoffs between voltage weight Continued page 132 92 Model Aviation NICAD MEMORY ERASE ? Fun/Winter Continued page 92 GIANT SCALE & SPORT PLANS SETS & KITS order contains concise construction manual Partial kits include precut wing ribs fuselage formers prebent lending gear Full kits include everything above plus strip wood necessary hardware assembled landing gear cabane struts fiberglass cowl wheelpants required already hsve plan sets may deduct $1090 prices partial full kits listed below J B Special MK 4 Convertible 84 Monoplane 78 Biplane Weighs 18 lbs Low Wing Biplane 6 Parasol Plans $2195rPlans $2195 Partial Kit 58495j- Either BothPartial Kit $0405 Full Kit 518495Full Kit 519495 Travel Air 2000 105 Classic Scale Biplaire WI 231bs Plans $2295Partial Kit $9850Full Kit $19850 Travel Air 4000 99 Radial Eng Classic Biplaire 23 lbs Plans $2295Partial Kit $9995040 Kit $21400 Fokker DVII 88 German WWI Fighter Biplane 23 lbs Plans 2495 Partial Kit $10995 Full Kit $20950 Sopuvith Tripehound 80 WWI Triplane 17 lbs Plairs $2195Partial Kit $10995Full Kit $21995 Sopwith Pup 80 WWI Biplane 19-17 lbs Plans $2195 Partial Kit $9850 Full Kil $19950 WACO UPF-7 90 Biplane 23 lbsPlaits $2395 Airplanes Landing Gear 2 wire formed nirly $995 hipping Assembled ready install $1995 $150 shippitig Wheel Pants models add $51 Cabanes $995 $1 shipping Fokker Cabanes $1495 hippittg Watch dealersahelves 60 size version Quarter Mastgr Kits Pup TA 20004000 ft JB Special Dealer Inquiries Invited Prices will change after April30 Ordering information orders shipped UPS Parcel Post Please add 53 shippiirg plaits 510 kits Make checks payable Jerry BehreirsFor fastest service send Postal money order bank check Sorry no COD will accepted Seird mail orders BENRENS PLAN SERVICE 31-27 Healy Ave. Far Rockasvay NY 11691 Phone 12121 3376987 Allow 46 weeks delivery thrust wing loading etc big yellow Micaflim-covered Sparky given 7-mm charge first flight 10 minutes second Roughly half-charged No expected what happen Total shock ran quickly true track tail-dragger gear lifted off tur bulence somewhere between two minutes flight speck on-off motor shut down model glided back up long approach across wide field about 4-ft height dragged power inputs avoid stakes near narrow road landed gently plain day airplane using on-off will fly warm day no thermals though perhaps gentle lift decrease sink rate 15 20 minutes Extra-long flights soaring seem virtually unlimited lift around Obviously glorious Wakefields yes teryear wing loadings cross-section rules applied such Korda Ron Warring jobs Frank Zaics Cahills fantas tic Clodhopper will make world-beating sport 05 Electrics scaled-up 50% Sruli wants start big Gas Korda talked aboutat 6-ft span just laid down sides own original low parasol 515 squares Geared OSs now will fly Old-Timers gassies areas up 720 sq lightweight Astro Flight has motors up 40s So-called Schoolyard Scale models dont columnists discover Gas Schoolyard needs no apolo gies will fly beautifully 02s 035s former ideal 02 gassies Dont compare Gas Electric latter new entirely different challenge love Gas floaters Old-Timers also great thrill see Electric bore heavens shut down float ready start up whenever wish Think about Wakefields Sparky right out believe-it-or-not Edi toT Srulls scaled-up Electric Sparky will future MA construction presentation Loose ends Talking about Pilot Aero Sport 19 job fly OS Schnuerle 25 observed crates seem call something equally good mid-range 25 40 power latter being just too big World Engines asks considered newly-announced OS FSR 28 bored-out 25 FSR same physical dimensions 25 FSR case available both airplane Helicopter ver sions new OS 25 FSR ABC Scotty World also notes complete ly redesigned 30 WankeL Improved metal lurgy cooling gain increased durability fewer repairs elimination old aluminum cooling shroud Scotty thinks three answer hotter 30 help bridge gap between hot 25s toobulky 40s aircraft now market People ask about recent discussion desired anti-tip-stall washout did think Pattern people would confused Some P0 Box 3957 Torrance CA 90510 Washout Pattern machine will give varia tions right-side up inverted such plots always hope maintaln adequate air speed anyway hacking around washout life insurance Cliff McBaine builds museum models must take issue Don Miller indicating use Gottingen 387 Vega Fokker Ford Trimotors MA January 1983 page 18 well docu mented gas Clark Y18 root Clark Y95 wing tip Fokker unique Fokker airfoil Ref US Civil Aircraft VoL 1 Joseph P Jupt ner According Juptner VoL 2 3 US Civil Aircraft Ford Trim otor used Gottingen 386 387 ve able locate 386 extensive file airfoll data Juptner could wrong case. or Except Vega file copy Janes Worlds Aircraft does list airfoils Vegas given modified Clark Y Also Millers long letter longhand extractions possible could have missed word such like cannot file old papers repose cartons dont question McBaines facts THE Final Word Scale Staffel Newslet ter wonderful world foam fiberglass ready-to-fly models aerody namics becoming lost art pity because aerodynamics has very INSTRU MENTAL making airplanes fly Which have terms like PIANO wire elevator HORN BELL crank wing CHORD SCALE effect mention too Take air foils would Flat plates OK have limitations gravy keeps running off edge famous men have contributed aerodynamics Bruce Bulk head inventor fuselage created hold wing tall apart wondering what call space between wing tail French chef Armand shouted dinner ready Just moment Arm replied very important contribution made Willie Flapdoodle never wor ried about plane balanced just put CG little box moved around during first few flights found right position glued place very useful CG happens outside structure stops slip stream blowing away on.. Enough already Bill Winter 4426 Altura Ct Fairfax VA 22030 AMA Building/Mankowski Continued paqe 28 names will appear Gold Mem bers Scroll Academy Leaders James S Adams Aero Bats Show Team Aero RC Syracuse Herb GET ORGANIZED s vet vi 4 sturdy ties Ihat Stids over 4 years yvur lavarte 9t t magazines 4 MAG FILES $495 Send $485 pIus 5100 mr ptstage handling DOM INDUSTRIES PO BOX 388-K DOVER NH 03820 132 ModeL Aviation JO peciai Model Magic Products Introduces Model Magic Filler Balsa & Foam Crack Ding Dent & Gap Filler Quick setting 15 mis ndng joo size Sands exactly ike balsa ano loam Water resistant set filletotool No mix ng Lightweig5t Odorless Non-Toxic Shrink-proot Cracs-free Compatible model paicts & cover ngs $595vAdd $100 UPS StIuld ounceAdd $250 UPS& COD Model Magic Products Box 7784 St Pool MN 55119 Dealer Inquiries nailedMinn Res Add 6% 21 Old Time Gas flU 12 HL Gliders 11 Contest Rubber eno 50 for 4 Satellite Kits 82183 catalog 3 Nastalgia Power Pacifiers ft LOTS OF GOOD STUFF FAI Model Supply
Edition: Model Aviation - 1983/05
Page Numbers: 18, 19, 20, 22, 24, 84, 92, 132
CLOSE ASSOCIATION models real planes really turns likely photo real plane scrutinized avidly model project never build Stories behind real planes unearthed Rubber-Scale builders Arabian Nights People turned pictures column dont expect ever hear last Piper Vagabond especially after Jim Jenkins EAA champion sharp modeler boot featured re cent issue would never guess secondmost talked about aircraftthe Martin 130 four-engined China Clipper Thirties able show chaps Clipper four 02 electric motors another nifty biggie using four OS 10s Stories beget stories lets meet Dave Bridgeswho wants build Bud Chappells gassie 130 Editor model will construction feature upcoming issue am retired captain Pan Am Dave Bridges writes have making model airplanes off past 50 years am very much impressed Bud Chappells M-130 China Clipper MAN March 1982 article MA January 1983 would like buy plans Bud build 130 also think Ken Willard itching fly flew Pan Am 1944 until 1981 Dave goes just missed Martin made trips San Francisco Hon olulu back Boeing 314 flying boat 314 bit faster M-130 18 hours versus 22 hours M-130 Boeing 747 does now 4% hours might interested bit history about M-130 designed Pan Am three built Hawaiian Clipper Philippine Clipper China Clipper based Alameda Airport California airport used now right middle Alameda Naval Station about mile inland bay Later Treasure Island built Pan Am moved base Hawaiian Clipper disappeared trace between Guam Philippines Philippine Clipper crashed near Clear Lake CA inbound Honolulu flight bad weather way no celestial fixes positions flight crew aware flying jet stream unknown days arrived about three hours early theory Captain saw lights ground attempt ed turn around fly back sea strong winds blew mountain near Clear Lake China Clipper replaced Boeing 314 sent down Carib bean met its demise Compared planes today Bridges recalls M-1 30 slow stiff con trols bit uncomfortable times no smoking board due fuel leaks part glamor now no smoking ecology check out plane find too glamorizing resist youll richly rewarded Its rather like finding trunk attic pictures forgotten ancestors Lee Renaud now have read about passing Lee Renaud Airtronics May say word about friendship early Six ties inked two plans MAN fact didnt note until long time later Lee must have needed pocket money like rest us times Still later blossomed out full-page ads RCM perhaps fea turing some great Sailplanes Daring thought crossing fingers concern went became part Cox empire itself later part Leisure Dynamics em pire lately reacquired Airtronics After own 12-year hiatus Lee sent Cox-Sanwa time its servos could stand looking later system arrived instead old serviced Lee just said deserved flew modern Airtronics stuff too wonders other folks Lee saw over rought spots point story hobby lasting friends makes ridiculous us unload anyone 18 Model Aviation U lust fun Bill Winter Variety spice lifethe theme Bostonians John Oldenkamp Theyre published soon perhaps already Model Airplane News Yes need magazines look youll see Top Right shoulder-wing motif Bellanca type lifting fuselage saucy John backing RC Bill Winter pleads him extend FF genius RC go bananas John shook fun-fly troops selecting Falconbut allows three nifties picture could adapted RC think wing decorations see five 2sor five Zs sleep Electric will knock socks off says Winter has seen fly Its Don Srulls en larged Sparky Original rubber-powered designed Ed Lidgardput out kit Comet Models years ago SruIl enlarged 64-in span 460 squares geared Leisure 05 6-cell pack Sanyo sub-Cs 11-7 prop almost out sight its first test hop half charge Winter thinks enlarged rubber jobs yesteryear great Electric sport flying construction article Srulls Electric Sparky way miffed over rules club matter kind models someone builds good anyone does lives after him Thank Lee Someday goldarnit will write column planned things people keep blowing out water go ape over club newsletters some look forward magazines magazines read things drive bananas old-boy grapevine international net work black-magic guys doing strange wonderful things Like prewar Chinese airwarning system signaling hilltop hill top Chinese could alert inland target good hour before Japanese bomb ers could get As newsletters FACs thick full crazy fun sorts R&D plans worlds strangest airplanes out remote past guys think nothing flying Handley-Page biplane transports Vick ers Vulcan ugly British torpedo planes early 20s Huge crazy-angled crates com plete ladders side pilot could climb up lofty cockpitas cleaning gutters goes forever think editors chew funny mushrooms Magazines Lets just take unending statements must never build biggie weighs 12 pounds per cubic inch displacement glow kaput kick cat despair anyone can ignore wing loading beyond 12-lb rule thumb does FROM-MODEL AIRPLANE NEWS_________________ FEBRUARY 1949 NOTE ENTIRE MODEL 31/8 FROM 3WIDE BALSA SHEET DESIGNED BY Bill Winter ERsa/W-a PROP BLOCKl X2XIO RUGGED SIMPLE AIRPLANE DESIGNED FOR SPEED III 1~ -- II 1/32 SHE 2HARDWOOD WHEELS - HJCI WING SECTION 4 TIMES1/16 SHEET Busted needing new batteries original RC Special Bill Walt Schroder planned drew flew quickie rubber-powered model day early 1948 late Howard McEntee helped get RC job going few days later does steep 180-deg turn hand-launch flies bee line Tremendous rubber motor length high power well different wasnt real competition speedster though drawing says speed model Thank Bill Gough sent print Bill Winter Christmas card Gough said flew great Winter says Gough must have able adjust original dedicated proposition straight line shortest distance between two points suit crates wrong ex ceptions crate classic lightplane like Robin Moth Did real plane have flaps fighter no-holdsbarred aerobatic machine example Haff kes rotund Gee Bee recently published MA fits ruleit also glow 90-powered Hafike has published Gee Bee good flies over 60 oz per sq ft wing loading other hand nothing wrong 18-lb Vagabond 0S 90 9/lOths 12 pounds would weigh less 11 lb can pardon mentioning 10-ft 4-in Aristocrat again 28 pounds 132 cu displacement Tartan am mortal sinner because supposed weigh 12-lb rule thumb 16 pounds would no-wind floater flies majestically 1929-30 classic should May1983 19 cant believe well-named Ugly Stik widely-loved airplane consider un known builders tail feathers decorations Thanks H Thomas picture John Oldenkamp oldies Farman Moustiques keep popping upfrom Bill Hannans favorite Peanut big RC crates offered plans firms Johns skeleton lower left 36-in Jumbo Rubber Scale job Pre-historic Farman Bipe flying before Fun columnist born too available big-plane plans Johns upper left 13-in-span Peanut Simple acres area bipe gives slow flight kind model piece de resistance Oldenkamps 23-in-span rendition Borel Hydroplane right Note undercamber reflection know weighty rollout momentumalso realistic Compare similar Stinsons etc mush along 2 cu displacement weigh average 22 25 pounds OK 12-lb rule Dont believe could take 3 cu Stinson sublime configuration good come real carried four people whereas Aristocrat carried threeand Stinson flaps olden days speed ranges often miserablethe top speeds relative stall landing speeds have lots wing area old days relatively tow powerto land easily small runwayless aerodromes farm field drop water conked out OX-S carb take off Flaps quantum leap Wing area reduced drastically better cruise means much higher wing loadings big model same general type need shoot 12-lb figure per cu Since sluggish performance persists Catch 22 situation Speed range better because flaps maintained fairly comparable landing speeds An 18- 20-lb 24-26 Stinson 2 cu would compare Aristocrat 28 lb 132 cu glow come Well spans roughly equal Aristocrat older vintage scales 18-in chord Stinson 11 9-ft plane forgetting loss due cabin width translates 4/2 sq ft difference wing areas between what looks like two similar-type planes dif ference wing loadings stupendousyes build Stinson lightweight can get use still power Flaps just fun stuff must play precisely Stinson et al want top results Consider Doc Brookes magnificent import ed kits high-priced worth huge Tiger Moth floats like feather Fantastic Sure ifs bipe ones have watched just superb weigh 30-32 lb fly majestically 2 cu old-model Quadra capable lifelike loops rolls glorious dead-stick forced landings weight 3 cu would make P-12 Yet tell us dont build over 24 lb abide 12-lb per cu thing 24 lb under rule youd almost have fly Tiger Moth like Indoor models Heavy spark-ignition engines mainstream Scale lend balance know twin-engined Kawasaki job made much Con tinued page 22 20 Model Aviation Surprise John Maloney Since manufacturers ardent modelers sneak camera detected hard work Left John tries full-throttle before takeoff Robin 1000 Brad Butler hangs gosh John dragged out Old-Timer right maybe lost its papers Brad restrains its roaring power mere finger hold Photog took Fifth no bottle silly Joe l-itzgibben 0 tiolden ge Heproductions tadoress vu uox ti uraintree MA iw guys want write him about old kit plans etc shows off rubber-powered Pacific Ace Flying Aces Club logo magazine name decal furnished Joe mem bers FAC Photo Tom Schmitt taken Durham Ctr CT contest October 1982 MEl Iii 1I1 IdilIlly ren flUUUUd gets ready fly laurn Bob Winters favorite years-old Mach 1 mu i anything wont Editorial research reveals guy started has o grand kids six greats solemnly swears wont inflict us picture tremendous mob Discriminate Scale Fliers Demand Dave Platti m perfectionist. kits prove reputation finest models RC scale has founded upon careful attention detail period over twenty years fact Im particular about kits theyre available personally make kit sign hold myself responsible reproductions genuine Dave Plast kit guarantee true outline combined force arrangement flies properly THE ULTIMA legendary beauty efficiency Spitfire 1/5 scale Accurate last subtle curve Magnificient indeed lust sitting simply awe inspiring flight Powered 90 120 glo engine bra Masimizerl ultimate Spitfire will provide intense experience sophisticated R/G modeler Span 88 Length 76 Weight 15-20 lbs ii BkckerJungmeister regular direct drive engines 60 90 65 span 1/4 scalel ace aerobatic biplane time Still fits car $139 j 3rand bold flies great staying easily transportable 1/5 scalel 79 span over 1000 sq ins 90 engines $179 New 1/4 Scale Pilot$139 Supplied unpaint ed comes in-Available /5 1/6 scale World Retracting struction booklet 3UWar II Fighter Pilots full Landing Gear Now Strengthened tor figure$15heavier ships ___Complete system St 39 HOW TO ORDERDireci Irom manulacturer no markupi Write call .we accept check money order Master Charge Visa cards pay UPS anywhere USA Florida residents add 4% sales tas Yes accept loreigo orders pay freight information model send sell addressed envelopem nave Dlatt ivuodels inc ___ 6940 NW 15th Street Plantation Florida 33313 Phone 305 587-4861 ,lfiord ii 5 ohe cooms Wingspan 56 Channels 2-3 Wing Area 690 sq Engine19-35 iopper complete 1/6 scale H/C model kit designed assemblelook fly like famous WeedhopperTM Model-C Ultralight AIRCRAFT parg aluminum structure pre-bens drilled nylon rip-slop coverings pre-sewn1/6 Scale $16995 Available choice four colors hobby shop now1/3 Scale $26995 Other ultralights available soon carlberg companies product 8170 WEST PENN AVE ROSEVILLE 1161473 PHONE 309/426-2161 news 14 lb ballast wasnt enough Some inexpensive reliableI have Quadra would never knock point individuals perception econ omy etc ignition takes preference glow well spark suits own crates Some Stinsons like cant hold altitude less full throttle some legit size ignition engines yet glow farheavier Aristocrat can make gentle Figure 8s near idleon 132 cu glow nothing Its just sug gested 12-lb bit ignition better some big crates according typebut something haywire everything contrary universally cen sored cant read anywhere Al Alman until recently director now advisor IMAAthe big-plane associationhas head screwed right practical guy digs philosophy Electric winch game talks diesels Davis heads Al has great results Davis-head Fox Eagle II turning real club prop glow engine lends itself diesalization remarkable facility chat about things RC though course love big airplanes agree planes requiring field repairs major components should flown again dayand very good reason have go along Don G 12lb per cu limit Al begins Without such reasonable guidelines too guys will doing real crazy stuff absolute means experience has proven 12-lb fsgure very practical limit power loading wing loading must also consideredand usually exceeding 12 lb per cu results excessively high wing loading think wide speed enve lope low stall speed envelope almost good romance seems Al continues glow-type engine per cubic inch will outpower gaso line-burner Auther 132 cu glow turns Top Flite 18-6 up 7000-7100 rpm roughly comparable old-model 2 cu Quadra less weight plus favorable wing loading Aris tocrat results good-flying bird what appears radically minimum power Also hot-rod type fly Aristo like should flown Its Cap 20 like its flown way analyze what both say will find really agree fly two classics no flaps hence area Aristo does Scale Procedure positive speed preciseness Naturally no vertical maneuvers involved did roll stunt real aircraft RC want good vertical performance better off power less weight loggy crate does terrible Stall Turns Wingovers piloting actually far difficult aerobaticsdont kid yourselfyou must ftrst well-grounded pilot Really want see end business hiding glow closet fits well within limits conversely 3 cu glow would break bank Monte Carlo 2 5% nitro 8% oil few dozen big-plane flights year am con cerned about fuel costs less $10 gallon other hand big-tank Kadet 40 rocking budget flies much often flights will make old-boy networkand Pappv Continued page 24 22 Model Aviation MOTOB MIIG flot tunti q.iitn intitn tiarot mew mn oini ewin nn&i, stindoin 55S inrtos ut onha bin tun. vwwi ut aneotwo poos 5 siollote cnlirtuts rito 0 n.sinronn OmY $695 U etA pemr* uosaCeno owos CaIN raalduila add sales tax tI96 139 T61 A/C LE SCHNUEALEMuffler Muffler T 61 will n litnited production durtng 1963 Swtrle ports increase fuel economy robbing power Featores include Forged Piston Con Rod hardened steel cylinder single ring double ball bearings ioneStneot cast crankcaseAvailable late spring B19 840 U-CONTROL 19 t39n 840 t49 perfect engine U-control flying Improved bypass low tension dyhes ring make 640 619 enceptional values Muffler will soon available 519 u/c available now 1161 A/C Schnuerle ported 61 provides easy starting high performance longevity FEATURES INCLUDE Sditnwt Euro odd Roost Pat Dmt 811 Rosotte Fnntd Mine Pfttor & C. Rod Rtdod Cumonlin Rod 0 noR Sod Rods Cottur 16 HP t 155CR RPM aoioltvliiitttiminrbantoorvointlro Send 100 Complete Catalog Key Chain trudovun otoattiod St ibm mono tonouwi aunt tIti eurot md deBolt writes letters crammed experimental stuff fringes oftentimes almost always works out have won argument Hal well-nigh 50 years told should use props big holes blades wouldnt laugh Ive through him strip ailer ons full-symmetrical airfoils etc flies big ger props anyone else Pylon makes work prop unloading air him George Aldrich writes Gosh Hal has forgotten want know long friendship mildly strained editor MA failed print second portion prop article faith would-be aerodynamicists compu ter engineers hordes guys tarred feathered everyone poor editor down figured world unllke wasnt ready Harold isnt theory him curiosity search better things Like Dizzy Gillespie Hal uses wildlybent trumpet interprets aerodynamics music fine dont condemn crazy horn againand some coincides much long-buried ideas new crates Hal loves racing planes big models Hes long fixation sleek Cau dron racers go big enough get required wing area fuselage reaches coast-to-coast often eye Folkers racer just differentand wouldnt mag nificent flew what would happen Im curious Wonders Hal cheat picture Zeroa bit wingy fighter fine example Japanese artistic eye lovely out llnes wing area upped other things proportion leaving fuselage alone would have sport Sport Scale use ful competition would very nice easy-to-fly sport model class wing could fudged degree per formance Zero look-alike powered soarer could P40 what ever Hal determined type answer 1/3-scale wing 1/4-scale fuselageif can find anyone agree did bet will build mad Caudron will handle easily over-scale Sig Kavalier also flying 2-Meter Sailplane rub ber power gets straight flights 1000 ft What shook him up amount rubber needed turn big Wake field prop24 strands V4 So just phoned him flipped getting about 30 ft altitude tried lower pitchand climb improved considerably power ran out like gang busters went middle now has worlds wack iest Rubber job climbs fairly well circles big prop glides like brick also busting blades Hes trying folders long discussion out old Rubber Scale days about prop block dimensions Dont ask what up Id bet 2-Meter just handy test platform Speak ing big Pylon Racing props guys write What has done lately Pylon shame Hal like ancient mariner NASA test pilot tried argue him out beef depth perception shot am school thought no real ly has lone oak tree Round Swamp Long Island embarrassed too fighter airline pilots believe Hals problem real Doc implanted some kind plastic lenses now old boy Continued page 84 24 Model Aviation COMPLETE LINE OF AMERICAN MADE ENGINES 7i7L FROM RJL IN 19831 MODEL ENGINES Made USA qualfty E4a Including Muffler OfIAbIflfY aGevice 819 840 RADIO CONTROL 819 tggm 467gm hest bet beginner Sunday flyer Improned bypass low tension dykes ring give plenty power Equipped Perry carburetor new RIL muffler MADE IN AMERICA AMERICAN TECHNOLOGY RJL Industrla ox 9654 dena CA 91107Phonw 213 359-6016 Nor Ca ACCJAC AVIONIUS ACCU ETACH LCD2R3MONITOR VOLTM ttie state K YoU get Cead DetefmIyour NiC CNARG Makes accura1ct idle thru~afge Wit safely fast chargbY topend justment batteri5 Wik pack ~ tinY gals out Se d0 Ioam5St TX/IX ba atchIn 519a h dual scale r iOOX cycle wit i tery combosage drop capabiljitthfull Charge electronics 95 ORDER YOURS NOW 7 9 Pd Send check money order no CODs NorCal AVIONICS Inc PO Box 70956 sunnyvale CA 94086 California residents add 60/o tax Add $300 shipping outside continental USA Dealer inquiries invited 0tm ctitjPccJiJ 615 So Gallatin Rd son TN 37115 615 868-6811_____ Mon thru Sat am 500 pm RTER & GIANT SCALE S IMQOELERS.RADIO SYSTEMS I-- -FUTABAand ROYAL ACCESSORIES FOR j MOST RADIOS LLIT-SAP need LLIT-SAP multiple servo LONG LEAD INTERFERENCE TRAP & SERVO ALTERNATE POWER adap tar Specify radIo ordering $2995 postage paid send large SSAE for literature Safety/Preston Continued page 16 final word frequency control Whichever ystem prefer goes saying C flying fields should have transmitter im pound impound frequency control board same structure trip impound obtain ones transmitter should prompt old memory also doing whatever necessary indicate use frequency Transmitters scattered willy-nilly throughout pit area sure-fire way leaving oneself open frequency abuse inevitable shoot-down Now can get pen paper drop line subject Which frequency control system foolproof simple popularity model diesel engines suggests word warning diesel fuel principal tngredient makes model diesel engine oper ate benefit glow plug ether volatility ether greatly exceeds methyl alcohol Treat ether diesel fuel would gasoline Dont keep basement beside furnace gas hot water heater mix own diesel fuel outside away ig nttion source Remember ether used used anesthetic back old days avoid breath ing fumes last tip comes fellow club member Lou Bruhn really suggstion makers RC equipment latest crop transmitters appear have about exhausted number whistles bells can realistically use ful making easier control set up model Lou suggests adding built-in frequency monitor transmitter person already has everything else way might work would use three-position switch instead current two-position On/Off switch Switching transmitter would become two-step affair Going Off first position would turn frequency monitor would indicate either audible tone meter whether channel clear no incoming signal present would comfortable switching third position switch would turn transmitter turn off frequency monitor Just though might further decrease num ber accidental shoot-downs Have safe month John Preston 7012 LIvira Cr Falls Church VA 22042 Fun/Winter Continued page 24 pardon Hal hes back sharper flying Im jealous cant judge height coming over fence landings up down ttrip often rough Props prove interesting Hal tells us still speaking 2-Meter rubber power Wakefield sizes provided limited climb long low flight ground effect much smaller low-pitched prop gave good climb altitude much distance Something between gave decent altitude much longer cruise altitude plus longest distancethe realistic flight same amount rubber limited cost ability wind What noticed big props continues once two-thirds winds gone better stopping prop Fold During last portion Continued page 92 84 Model Aviation SUMLI UI-1llMUISJI.3/ti UIALI b MIIUUS Send5OforcatalogN 216-499-5323 RC Kits Mfg\ . 706 Easton NE\ IL Canton OH 44721 N STEPHENS ACRO REPAIR SERVICE FOR HOBBY LOBBY EI LOGICTROL FUTABA HOBBY SHACK ROYAL LINE Fun/Winter nntinnrf oaoe 84 Complete automatic operation Erases Charges Checks Rapid charges 35 mm typically Automatically repairs shorted cells No dangerous heat build up Front panel selects up 3 different packs Unlimited battery combinations program modules user programable LEO status indicators Supplied universal EZ hook wire leads Specify Voltage Battery Packlel order program module included onal modules $225 $8900 plus $400 Shipping PA Residents add 6% seles tax Coming Soon iple pack memory erase charger municiple commercial applications write information send requirements GMS 401 complete automatic NICAI condi tioner rapid charger Never before has offered anywhere price its good its ing patented NICAD memory characteristics must dealtwith otherwise battery pack delivering could OMS 401 will automatically erase rapid charge type NICAD pack 1 10 cells CONTROL PRODUCTS UNLIMITED INC PO Box 10 Downingtown PA 19335 215-383-6395 flight slow-turning prop actually increases sink rate Basic suppose unless could reduce flying speed prop did act like brake Srull prop shape parallels find ings Gas props Author Srull acquired technical paper conclusion wide point prop should one-third out blade length outer twothirds rather pointedit works wonders Rubber Scale helps reduce drag hub tip might find some progressive airfoils interesting play latest best prop Quadra 20-12 drag reduction ideas Most guys snicker until see unload pull air surprise noise reduction Noticeably quieter air Leads believe other props ing bit air thrashing instead pulling Sound seems good gauge work props could go forever.. may shock Electric world ap pears scaling-up old sport Rubber jobs yields better performance compared virtually snub-nosed highdrag Gas Old-Timers Perhaps ultimate Electric sport Electric already splitting resplitting widely diverging configurations RC general Most newcomers putting OSs Sailplaneslike Gentle Lady Winddrifter II like son Mike Top Flite Metrick gets slip pery Others using reduction-drive iSs Scale Porterfields like Still others go Buzzards etc same 15 though new OSs can fly too Some go multi-engine 02s 035s etc especially Scale types because power thrust an& never have engine-out crisis Tiny bombs single double 02s will scream up 90 mph 4-pt rolls Really hot pilots convert Barbarian Electric advanced aerobatics ship will talk about pretty climbs like crazy though skyrocket glides beautifully Cutting right through middle everything its sensa tionaL will knock socks off Ive got drag Don Srull Substi tute Joe Charlie Ike own group wish Now older modelers will remember Ed Lidgards Sparky Rubber design Comet Ed eye beauty pro portionsone all-time greats Sparky just showed up another mag different form Sparky spans 64 has 460 sq area Leisure geared 05 turning 11-7 although 1 l-7 11-8 may better Electric guys cramming sorts multi-cell packs Seven sub-Cs favorite 05 Both Dons have stan dard factory-supplied 6 sub-C Sanyos Leisures big Playboy RC-assist FF Other points can fly well recommended charge rates periods factory-supplied chargers anything over 05 requires voltage doubler well convert car battery 12V say 28 30 want precise charge anything gives absolute maximum power overcharging need charger digital readout 1/lOOths volt digital voltmeter say Radio Shack Things still too new model forms proliferating definitive answers yet come tradeoffs between voltage weight Continued page 132 92 Model Aviation NICAD MEMORY ERASE ? Fun/Winter Continued page 92 GIANT SCALE & SPORT PLANS SETS & KITS order contains concise construction manual Partial kits include precut wing ribs fuselage formers prebent lending gear Full kits include everything above plus strip wood necessary hardware assembled landing gear cabane struts fiberglass cowl wheelpants required already hsve plan sets may deduct $1090 prices partial full kits listed below J B Special MK 4 Convertible 84 Monoplane 78 Biplane Weighs 18 lbs Low Wing Biplane 6 Parasol Plans $2195rPlans $2195 Partial Kit 58495j- Either BothPartial Kit $0405 Full Kit 518495Full Kit 519495 Travel Air 2000 105 Classic Scale Biplaire WI 231bs Plans $2295Partial Kit $9850Full Kit $19850 Travel Air 4000 99 Radial Eng Classic Biplaire 23 lbs Plans $2295Partial Kit $9995040 Kit $21400 Fokker DVII 88 German WWI Fighter Biplane 23 lbs Plans 2495 Partial Kit $10995 Full Kit $20950 Sopuvith Tripehound 80 WWI Triplane 17 lbs Plairs $2195Partial Kit $10995Full Kit $21995 Sopwith Pup 80 WWI Biplane 19-17 lbs Plans $2195 Partial Kit $9850 Full Kil $19950 WACO UPF-7 90 Biplane 23 lbsPlaits $2395 Airplanes Landing Gear 2 wire formed nirly $995 hipping Assembled ready install $1995 $150 shippitig Wheel Pants models add $51 Cabanes $995 $1 shipping Fokker Cabanes $1495 hippittg Watch dealersahelves 60 size version Quarter Mastgr Kits Pup TA 20004000 ft JB Special Dealer Inquiries Invited Prices will change after April30 Ordering information orders shipped UPS Parcel Post Please add 53 shippiirg plaits 510 kits Make checks payable Jerry BehreirsFor fastest service send Postal money order bank check Sorry no COD will accepted Seird mail orders BENRENS PLAN SERVICE 31-27 Healy Ave. Far Rockasvay NY 11691 Phone 12121 3376987 Allow 46 weeks delivery thrust wing loading etc big yellow Micaflim-covered Sparky given 7-mm charge first flight 10 minutes second Roughly half-charged No expected what happen Total shock ran quickly true track tail-dragger gear lifted off tur bulence somewhere between two minutes flight speck on-off motor shut down model glided back up long approach across wide field about 4-ft height dragged power inputs avoid stakes near narrow road landed gently plain day airplane using on-off will fly warm day no thermals though perhaps gentle lift decrease sink rate 15 20 minutes Extra-long flights soaring seem virtually unlimited lift around Obviously glorious Wakefields yes teryear wing loadings cross-section rules applied such Korda Ron Warring jobs Frank Zaics Cahills fantas tic Clodhopper will make world-beating sport 05 Electrics scaled-up 50% Sruli wants start big Gas Korda talked aboutat 6-ft span just laid down sides own original low parasol 515 squares Geared OSs now will fly Old-Timers gassies areas up 720 sq lightweight Astro Flight has motors up 40s So-called Schoolyard Scale models dont columnists discover Gas Schoolyard needs no apolo gies will fly beautifully 02s 035s former ideal 02 gassies Dont compare Gas Electric latter new entirely different challenge love Gas floaters Old-Timers also great thrill see Electric bore heavens shut down float ready start up whenever wish Think about Wakefields Sparky right out believe-it-or-not Edi toT Srulls scaled-up Electric Sparky will future MA construction presentation Loose ends Talking about Pilot Aero Sport 19 job fly OS Schnuerle 25 observed crates seem call something equally good mid-range 25 40 power latter being just too big World Engines asks considered newly-announced OS FSR 28 bored-out 25 FSR same physical dimensions 25 FSR case available both airplane Helicopter ver sions new OS 25 FSR ABC Scotty World also notes complete ly redesigned 30 WankeL Improved metal lurgy cooling gain increased durability fewer repairs elimination old aluminum cooling shroud Scotty thinks three answer hotter 30 help bridge gap between hot 25s toobulky 40s aircraft now market People ask about recent discussion desired anti-tip-stall washout did think Pattern people would confused Some P0 Box 3957 Torrance CA 90510 Washout Pattern machine will give varia tions right-side up inverted such plots always hope maintaln adequate air speed anyway hacking around washout life insurance Cliff McBaine builds museum models must take issue Don Miller indicating use Gottingen 387 Vega Fokker Ford Trimotors MA January 1983 page 18 well docu mented gas Clark Y18 root Clark Y95 wing tip Fokker unique Fokker airfoil Ref US Civil Aircraft VoL 1 Joseph P Jupt ner According Juptner VoL 2 3 US Civil Aircraft Ford Trim otor used Gottingen 386 387 ve able locate 386 extensive file airfoll data Juptner could wrong case. or Except Vega file copy Janes Worlds Aircraft does list airfoils Vegas given modified Clark Y Also Millers long letter longhand extractions possible could have missed word such like cannot file old papers repose cartons dont question McBaines facts THE Final Word Scale Staffel Newslet ter wonderful world foam fiberglass ready-to-fly models aerody namics becoming lost art pity because aerodynamics has very INSTRU MENTAL making airplanes fly Which have terms like PIANO wire elevator HORN BELL crank wing CHORD SCALE effect mention too Take air foils would Flat plates OK have limitations gravy keeps running off edge famous men have contributed aerodynamics Bruce Bulk head inventor fuselage created hold wing tall apart wondering what call space between wing tail French chef Armand shouted dinner ready Just moment Arm replied very important contribution made Willie Flapdoodle never wor ried about plane balanced just put CG little box moved around during first few flights found right position glued place very useful CG happens outside structure stops slip stream blowing away on.. Enough already Bill Winter 4426 Altura Ct Fairfax VA 22030 AMA Building/Mankowski Continued paqe 28 names will appear Gold Mem bers Scroll Academy Leaders James S Adams Aero Bats Show Team Aero RC Syracuse Herb GET ORGANIZED s vet vi 4 sturdy ties Ihat Stids over 4 years yvur lavarte 9t t magazines 4 MAG FILES $495 Send $485 pIus 5100 mr ptstage handling DOM INDUSTRIES PO BOX 388-K DOVER NH 03820 132 ModeL Aviation JO peciai Model Magic Products Introduces Model Magic Filler Balsa & Foam Crack Ding Dent & Gap Filler Quick setting 15 mis ndng joo size Sands exactly ike balsa ano loam Water resistant set filletotool No mix ng Lightweig5t Odorless Non-Toxic Shrink-proot Cracs-free Compatible model paicts & cover ngs $595vAdd $100 UPS StIuld ounceAdd $250 UPS& COD Model Magic Products Box 7784 St Pool MN 55119 Dealer Inquiries nailedMinn Res Add 6% 21 Old Time Gas flU 12 HL Gliders 11 Contest Rubber eno 50 for 4 Satellite Kits 82183 catalog 3 Nastalgia Power Pacifiers ft LOTS OF GOOD STUFF FAI Model Supply
Edition: Model Aviation - 1983/05
Page Numbers: 18, 19, 20, 22, 24, 84, 92, 132
CLOSE ASSOCIATION models real planes really turns likely photo real plane scrutinized avidly model project never build Stories behind real planes unearthed Rubber-Scale builders Arabian Nights People turned pictures column dont expect ever hear last Piper Vagabond especially after Jim Jenkins EAA champion sharp modeler boot featured re cent issue would never guess secondmost talked about aircraftthe Martin 130 four-engined China Clipper Thirties able show chaps Clipper four 02 electric motors another nifty biggie using four OS 10s Stories beget stories lets meet Dave Bridgeswho wants build Bud Chappells gassie 130 Editor model will construction feature upcoming issue am retired captain Pan Am Dave Bridges writes have making model airplanes off past 50 years am very much impressed Bud Chappells M-130 China Clipper MAN March 1982 article MA January 1983 would like buy plans Bud build 130 also think Ken Willard itching fly flew Pan Am 1944 until 1981 Dave goes just missed Martin made trips San Francisco Hon olulu back Boeing 314 flying boat 314 bit faster M-130 18 hours versus 22 hours M-130 Boeing 747 does now 4% hours might interested bit history about M-130 designed Pan Am three built Hawaiian Clipper Philippine Clipper China Clipper based Alameda Airport California airport used now right middle Alameda Naval Station about mile inland bay Later Treasure Island built Pan Am moved base Hawaiian Clipper disappeared trace between Guam Philippines Philippine Clipper crashed near Clear Lake CA inbound Honolulu flight bad weather way no celestial fixes positions flight crew aware flying jet stream unknown days arrived about three hours early theory Captain saw lights ground attempt ed turn around fly back sea strong winds blew mountain near Clear Lake China Clipper replaced Boeing 314 sent down Carib bean met its demise Compared planes today Bridges recalls M-1 30 slow stiff con trols bit uncomfortable times no smoking board due fuel leaks part glamor now no smoking ecology check out plane find too glamorizing resist youll richly rewarded Its rather like finding trunk attic pictures forgotten ancestors Lee Renaud now have read about passing Lee Renaud Airtronics May say word about friendship early Six ties inked two plans MAN fact didnt note until long time later Lee must have needed pocket money like rest us times Still later blossomed out full-page ads RCM perhaps fea turing some great Sailplanes Daring thought crossing fingers concern went became part Cox empire itself later part Leisure Dynamics em pire lately reacquired Airtronics After own 12-year hiatus Lee sent Cox-Sanwa time its servos could stand looking later system arrived instead old serviced Lee just said deserved flew modern Airtronics stuff too wonders other folks Lee saw over rought spots point story hobby lasting friends makes ridiculous us unload anyone 18 Model Aviation U lust fun Bill Winter Variety spice lifethe theme Bostonians John Oldenkamp Theyre published soon perhaps already Model Airplane News Yes need magazines look youll see Top Right shoulder-wing motif Bellanca type lifting fuselage saucy John backing RC Bill Winter pleads him extend FF genius RC go bananas John shook fun-fly troops selecting Falconbut allows three nifties picture could adapted RC think wing decorations see five 2sor five Zs sleep Electric will knock socks off says Winter has seen fly Its Don Srulls en larged Sparky Original rubber-powered designed Ed Lidgardput out kit Comet Models years ago SruIl enlarged 64-in span 460 squares geared Leisure 05 6-cell pack Sanyo sub-Cs 11-7 prop almost out sight its first test hop half charge Winter thinks enlarged rubber jobs yesteryear great Electric sport flying construction article Srulls Electric Sparky way miffed over rules club matter kind models someone builds good anyone does lives after him Thank Lee Someday goldarnit will write column planned things people keep blowing out water go ape over club newsletters some look forward magazines magazines read things drive bananas old-boy grapevine international net work black-magic guys doing strange wonderful things Like prewar Chinese airwarning system signaling hilltop hill top Chinese could alert inland target good hour before Japanese bomb ers could get As newsletters FACs thick full crazy fun sorts R&D plans worlds strangest airplanes out remote past guys think nothing flying Handley-Page biplane transports Vick ers Vulcan ugly British torpedo planes early 20s Huge crazy-angled crates com plete ladders side pilot could climb up lofty cockpitas cleaning gutters goes forever think editors chew funny mushrooms Magazines Lets just take unending statements must never build biggie weighs 12 pounds per cubic inch displacement glow kaput kick cat despair anyone can ignore wing loading beyond 12-lb rule thumb does FROM-MODEL AIRPLANE NEWS_________________ FEBRUARY 1949 NOTE ENTIRE MODEL 31/8 FROM 3WIDE BALSA SHEET DESIGNED BY Bill Winter ERsa/W-a PROP BLOCKl X2XIO RUGGED SIMPLE AIRPLANE DESIGNED FOR SPEED III 1~ -- II 1/32 SHE 2HARDWOOD WHEELS - HJCI WING SECTION 4 TIMES1/16 SHEET Busted needing new batteries original RC Special Bill Walt Schroder planned drew flew quickie rubber-powered model day early 1948 late Howard McEntee helped get RC job going few days later does steep 180-deg turn hand-launch flies bee line Tremendous rubber motor length high power well different wasnt real competition speedster though drawing says speed model Thank Bill Gough sent print Bill Winter Christmas card Gough said flew great Winter says Gough must have able adjust original dedicated proposition straight line shortest distance between two points suit crates wrong ex ceptions crate classic lightplane like Robin Moth Did real plane have flaps fighter no-holdsbarred aerobatic machine example Haff kes rotund Gee Bee recently published MA fits ruleit also glow 90-powered Hafike has published Gee Bee good flies over 60 oz per sq ft wing loading other hand nothing wrong 18-lb Vagabond 0S 90 9/lOths 12 pounds would weigh less 11 lb can pardon mentioning 10-ft 4-in Aristocrat again 28 pounds 132 cu displacement Tartan am mortal sinner because supposed weigh 12-lb rule thumb 16 pounds would no-wind floater flies majestically 1929-30 classic should May1983 19 cant believe well-named Ugly Stik widely-loved airplane consider un known builders tail feathers decorations Thanks H Thomas picture John Oldenkamp oldies Farman Moustiques keep popping upfrom Bill Hannans favorite Peanut big RC crates offered plans firms Johns skeleton lower left 36-in Jumbo Rubber Scale job Pre-historic Farman Bipe flying before Fun columnist born too available big-plane plans Johns upper left 13-in-span Peanut Simple acres area bipe gives slow flight kind model piece de resistance Oldenkamps 23-in-span rendition Borel Hydroplane right Note undercamber reflection know weighty rollout momentumalso realistic Compare similar Stinsons etc mush along 2 cu displacement weigh average 22 25 pounds OK 12-lb rule Dont believe could take 3 cu Stinson sublime configuration good come real carried four people whereas Aristocrat carried threeand Stinson flaps olden days speed ranges often miserablethe top speeds relative stall landing speeds have lots wing area old days relatively tow powerto land easily small runwayless aerodromes farm field drop water conked out OX-S carb take off Flaps quantum leap Wing area reduced drastically better cruise means much higher wing loadings big model same general type need shoot 12-lb figure per cu Since sluggish performance persists Catch 22 situation Speed range better because flaps maintained fairly comparable landing speeds An 18- 20-lb 24-26 Stinson 2 cu would compare Aristocrat 28 lb 132 cu glow come Well spans roughly equal Aristocrat older vintage scales 18-in chord Stinson 11 9-ft plane forgetting loss due cabin width translates 4/2 sq ft difference wing areas between what looks like two similar-type planes dif ference wing loadings stupendousyes build Stinson lightweight can get use still power Flaps just fun stuff must play precisely Stinson et al want top results Consider Doc Brookes magnificent import ed kits high-priced worth huge Tiger Moth floats like feather Fantastic Sure ifs bipe ones have watched just superb weigh 30-32 lb fly majestically 2 cu old-model Quadra capable lifelike loops rolls glorious dead-stick forced landings weight 3 cu would make P-12 Yet tell us dont build over 24 lb abide 12-lb per cu thing 24 lb under rule youd almost have fly Tiger Moth like Indoor models Heavy spark-ignition engines mainstream Scale lend balance know twin-engined Kawasaki job made much Con tinued page 22 20 Model Aviation Surprise John Maloney Since manufacturers ardent modelers sneak camera detected hard work Left John tries full-throttle before takeoff Robin 1000 Brad Butler hangs gosh John dragged out Old-Timer right maybe lost its papers Brad restrains its roaring power mere finger hold Photog took Fifth no bottle silly Joe l-itzgibben 0 tiolden ge Heproductions tadoress vu uox ti uraintree MA iw guys want write him about old kit plans etc shows off rubber-powered Pacific Ace Flying Aces Club logo magazine name decal furnished Joe mem bers FAC Photo Tom Schmitt taken Durham Ctr CT contest October 1982 MEl Iii 1I1 IdilIlly ren flUUUUd gets ready fly laurn Bob Winters favorite years-old Mach 1 mu i anything wont Editorial research reveals guy started has o grand kids six greats solemnly swears wont inflict us picture tremendous mob Discriminate Scale Fliers Demand Dave Platti m perfectionist. kits prove reputation finest models RC scale has founded upon careful attention detail period over twenty years fact Im particular about kits theyre available personally make kit sign hold myself responsible reproductions genuine Dave Plast kit guarantee true outline combined force arrangement flies properly THE ULTIMA legendary beauty efficiency Spitfire 1/5 scale Accurate last subtle curve Magnificient indeed lust sitting simply awe inspiring flight Powered 90 120 glo engine bra Masimizerl ultimate Spitfire will provide intense experience sophisticated R/G modeler Span 88 Length 76 Weight 15-20 lbs ii BkckerJungmeister regular direct drive engines 60 90 65 span 1/4 scalel ace aerobatic biplane time Still fits car $139 j 3rand bold flies great staying easily transportable 1/5 scalel 79 span over 1000 sq ins 90 engines $179 New 1/4 Scale Pilot$139 Supplied unpaint ed comes in-Available /5 1/6 scale World Retracting struction booklet 3UWar II Fighter Pilots full Landing Gear Now Strengthened tor figure$15heavier ships ___Complete system St 39 HOW TO ORDERDireci Irom manulacturer no markupi Write call .we accept check money order Master Charge Visa cards pay UPS anywhere USA Florida residents add 4% sales tas Yes accept loreigo orders pay freight information model send sell addressed envelopem nave Dlatt ivuodels inc ___ 6940 NW 15th Street Plantation Florida 33313 Phone 305 587-4861 ,lfiord ii 5 ohe cooms Wingspan 56 Channels 2-3 Wing Area 690 sq Engine19-35 iopper complete 1/6 scale H/C model kit designed assemblelook fly like famous WeedhopperTM Model-C Ultralight AIRCRAFT parg aluminum structure pre-bens drilled nylon rip-slop coverings pre-sewn1/6 Scale $16995 Available choice four colors hobby shop now1/3 Scale $26995 Other ultralights available soon carlberg companies product 8170 WEST PENN AVE ROSEVILLE 1161473 PHONE 309/426-2161 news 14 lb ballast wasnt enough Some inexpensive reliableI have Quadra would never knock point individuals perception econ omy etc ignition takes preference glow well spark suits own crates Some Stinsons like cant hold altitude less full throttle some legit size ignition engines yet glow farheavier Aristocrat can make gentle Figure 8s near idleon 132 cu glow nothing Its just sug gested 12-lb bit ignition better some big crates according typebut something haywire everything contrary universally cen sored cant read anywhere Al Alman until recently director now advisor IMAAthe big-plane associationhas head screwed right practical guy digs philosophy Electric winch game talks diesels Davis heads Al has great results Davis-head Fox Eagle II turning real club prop glow engine lends itself diesalization remarkable facility chat about things RC though course love big airplanes agree planes requiring field repairs major components should flown again dayand very good reason have go along Don G 12lb per cu limit Al begins Without such reasonable guidelines too guys will doing real crazy stuff absolute means experience has proven 12-lb fsgure very practical limit power loading wing loading must also consideredand usually exceeding 12 lb per cu results excessively high wing loading think wide speed enve lope low stall speed envelope almost good romance seems Al continues glow-type engine per cubic inch will outpower gaso line-burner Auther 132 cu glow turns Top Flite 18-6 up 7000-7100 rpm roughly comparable old-model 2 cu Quadra less weight plus favorable wing loading Aris tocrat results good-flying bird what appears radically minimum power Also hot-rod type fly Aristo like should flown Its Cap 20 like its flown way analyze what both say will find really agree fly two classics no flaps hence area Aristo does Scale Procedure positive speed preciseness Naturally no vertical maneuvers involved did roll stunt real aircraft RC want good vertical performance better off power less weight loggy crate does terrible Stall Turns Wingovers piloting actually far difficult aerobaticsdont kid yourselfyou must ftrst well-grounded pilot Really want see end business hiding glow closet fits well within limits conversely 3 cu glow would break bank Monte Carlo 2 5% nitro 8% oil few dozen big-plane flights year am con cerned about fuel costs less $10 gallon other hand big-tank Kadet 40 rocking budget flies much often flights will make old-boy networkand Pappv Continued page 24 22 Model Aviation MOTOB MIIG flot tunti q.iitn intitn tiarot mew mn oini ewin nn&i, stindoin 55S inrtos ut onha bin tun. vwwi ut aneotwo poos 5 siollote cnlirtuts rito 0 n.sinronn OmY $695 U etA pemr* uosaCeno owos CaIN raalduila add sales tax tI96 139 T61 A/C LE SCHNUEALEMuffler Muffler T 61 will n litnited production durtng 1963 Swtrle ports increase fuel economy robbing power Featores include Forged Piston Con Rod hardened steel cylinder single ring double ball bearings ioneStneot cast crankcaseAvailable late spring B19 840 U-CONTROL 19 t39n 840 t49 perfect engine U-control flying Improved bypass low tension dyhes ring make 640 619 enceptional values Muffler will soon available 519 u/c available now 1161 A/C Schnuerle ported 61 provides easy starting high performance longevity FEATURES INCLUDE Sditnwt Euro odd Roost Pat Dmt 811 Rosotte Fnntd Mine Pfttor & C. Rod Rtdod Cumonlin Rod 0 noR Sod Rods Cottur 16 HP t 155CR RPM aoioltvliiitttiminrbantoorvointlro Send 100 Complete Catalog Key Chain trudovun otoattiod St ibm mono tonouwi aunt tIti eurot md deBolt writes letters crammed experimental stuff fringes oftentimes almost always works out have won argument Hal well-nigh 50 years told should use props big holes blades wouldnt laugh Ive through him strip ailer ons full-symmetrical airfoils etc flies big ger props anyone else Pylon makes work prop unloading air him George Aldrich writes Gosh Hal has forgotten want know long friendship mildly strained editor MA failed print second portion prop article faith would-be aerodynamicists compu ter engineers hordes guys tarred feathered everyone poor editor down figured world unllke wasnt ready Harold isnt theory him curiosity search better things Like Dizzy Gillespie Hal uses wildlybent trumpet interprets aerodynamics music fine dont condemn crazy horn againand some coincides much long-buried ideas new crates Hal loves racing planes big models Hes long fixation sleek Cau dron racers go big enough get required wing area fuselage reaches coast-to-coast often eye Folkers racer just differentand wouldnt mag nificent flew what would happen Im curious Wonders Hal cheat picture Zeroa bit wingy fighter fine example Japanese artistic eye lovely out llnes wing area upped other things proportion leaving fuselage alone would have sport Sport Scale use ful competition would very nice easy-to-fly sport model class wing could fudged degree per formance Zero look-alike powered soarer could P40 what ever Hal determined type answer 1/3-scale wing 1/4-scale fuselageif can find anyone agree did bet will build mad Caudron will handle easily over-scale Sig Kavalier also flying 2-Meter Sailplane rub ber power gets straight flights 1000 ft What shook him up amount rubber needed turn big Wake field prop24 strands V4 So just phoned him flipped getting about 30 ft altitude tried lower pitchand climb improved considerably power ran out like gang busters went middle now has worlds wack iest Rubber job climbs fairly well circles big prop glides like brick also busting blades Hes trying folders long discussion out old Rubber Scale days about prop block dimensions Dont ask what up Id bet 2-Meter just handy test platform Speak ing big Pylon Racing props guys write What has done lately Pylon shame Hal like ancient mariner NASA test pilot tried argue him out beef depth perception shot am school thought no real ly has lone oak tree Round Swamp Long Island embarrassed too fighter airline pilots believe Hals problem real Doc implanted some kind plastic lenses now old boy Continued page 84 24 Model Aviation COMPLETE LINE OF AMERICAN MADE ENGINES 7i7L FROM RJL IN 19831 MODEL ENGINES Made USA qualfty E4a Including Muffler OfIAbIflfY aGevice 819 840 RADIO CONTROL 819 tggm 467gm hest bet beginner Sunday flyer Improned bypass low tension dykes ring give plenty power Equipped Perry carburetor new RIL muffler MADE IN AMERICA AMERICAN TECHNOLOGY RJL Industrla ox 9654 dena CA 91107Phonw 213 359-6016 Nor Ca ACCJAC AVIONIUS ACCU ETACH LCD2R3MONITOR VOLTM ttie state K YoU get Cead DetefmIyour NiC CNARG Makes accura1ct idle thru~afge Wit safely fast chargbY topend justment batteri5 Wik pack ~ tinY gals out Se d0 Ioam5St TX/IX ba atchIn 519a h dual scale r iOOX cycle wit i tery combosage drop capabiljitthfull Charge electronics 95 ORDER YOURS NOW 7 9 Pd Send check money order no CODs NorCal AVIONICS Inc PO Box 70956 sunnyvale CA 94086 California residents add 60/o tax Add $300 shipping outside continental USA Dealer inquiries invited 0tm ctitjPccJiJ 615 So Gallatin Rd son TN 37115 615 868-6811_____ Mon thru Sat am 500 pm RTER & GIANT SCALE S IMQOELERS.RADIO SYSTEMS I-- -FUTABAand ROYAL ACCESSORIES FOR j MOST RADIOS LLIT-SAP need LLIT-SAP multiple servo LONG LEAD INTERFERENCE TRAP & SERVO ALTERNATE POWER adap tar Specify radIo ordering $2995 postage paid send large SSAE for literature Safety/Preston Continued page 16 final word frequency control Whichever ystem prefer goes saying C flying fields should have transmitter im pound impound frequency control board same structure trip impound obtain ones transmitter should prompt old memory also doing whatever necessary indicate use frequency Transmitters scattered willy-nilly throughout pit area sure-fire way leaving oneself open frequency abuse inevitable shoot-down Now can get pen paper drop line subject Which frequency control system foolproof simple popularity model diesel engines suggests word warning diesel fuel principal tngredient makes model diesel engine oper ate benefit glow plug ether volatility ether greatly exceeds methyl alcohol Treat ether diesel fuel would gasoline Dont keep basement beside furnace gas hot water heater mix own diesel fuel outside away ig nttion source Remember ether used used anesthetic back old days avoid breath ing fumes last tip comes fellow club member Lou Bruhn really suggstion makers RC equipment latest crop transmitters appear have about exhausted number whistles bells can realistically use ful making easier control set up model Lou suggests adding built-in frequency monitor transmitter person already has everything else way might work would use three-position switch instead current two-position On/Off switch Switching transmitter would become two-step affair Going Off first position would turn frequency monitor would indicate either audible tone meter whether channel clear no incoming signal present would comfortable switching third position switch would turn transmitter turn off frequency monitor Just though might further decrease num ber accidental shoot-downs Have safe month John Preston 7012 LIvira Cr Falls Church VA 22042 Fun/Winter Continued page 24 pardon Hal hes back sharper flying Im jealous cant judge height coming over fence landings up down ttrip often rough Props prove interesting Hal tells us still speaking 2-Meter rubber power Wakefield sizes provided limited climb long low flight ground effect much smaller low-pitched prop gave good climb altitude much distance Something between gave decent altitude much longer cruise altitude plus longest distancethe realistic flight same amount rubber limited cost ability wind What noticed big props continues once two-thirds winds gone better stopping prop Fold During last portion Continued page 92 84 Model Aviation SUMLI UI-1llMUISJI.3/ti UIALI b MIIUUS Send5OforcatalogN 216-499-5323 RC Kits Mfg\ . 706 Easton NE\ IL Canton OH 44721 N STEPHENS ACRO REPAIR SERVICE FOR HOBBY LOBBY EI LOGICTROL FUTABA HOBBY SHACK ROYAL LINE Fun/Winter nntinnrf oaoe 84 Complete automatic operation Erases Charges Checks Rapid charges 35 mm typically Automatically repairs shorted cells No dangerous heat build up Front panel selects up 3 different packs Unlimited battery combinations program modules user programable LEO status indicators Supplied universal EZ hook wire leads Specify Voltage Battery Packlel order program module included onal modules $225 $8900 plus $400 Shipping PA Residents add 6% seles tax Coming Soon iple pack memory erase charger municiple commercial applications write information send requirements GMS 401 complete automatic NICAI condi tioner rapid charger Never before has offered anywhere price its good its ing patented NICAD memory characteristics must dealtwith otherwise battery pack delivering could OMS 401 will automatically erase rapid charge type NICAD pack 1 10 cells CONTROL PRODUCTS UNLIMITED INC PO Box 10 Downingtown PA 19335 215-383-6395 flight slow-turning prop actually increases sink rate Basic suppose unless could reduce flying speed prop did act like brake Srull prop shape parallels find ings Gas props Author Srull acquired technical paper conclusion wide point prop should one-third out blade length outer twothirds rather pointedit works wonders Rubber Scale helps reduce drag hub tip might find some progressive airfoils interesting play latest best prop Quadra 20-12 drag reduction ideas Most guys snicker until see unload pull air surprise noise reduction Noticeably quieter air Leads believe other props ing bit air thrashing instead pulling Sound seems good gauge work props could go forever.. may shock Electric world ap pears scaling-up old sport Rubber jobs yields better performance compared virtually snub-nosed highdrag Gas Old-Timers Perhaps ultimate Electric sport Electric already splitting resplitting widely diverging configurations RC general Most newcomers putting OSs Sailplaneslike Gentle Lady Winddrifter II like son Mike Top Flite Metrick gets slip pery Others using reduction-drive iSs Scale Porterfields like Still others go Buzzards etc same 15 though new OSs can fly too Some go multi-engine 02s 035s etc especially Scale types because power thrust an& never have engine-out crisis Tiny bombs single double 02s will scream up 90 mph 4-pt rolls Really hot pilots convert Barbarian Electric advanced aerobatics ship will talk about pretty climbs like crazy though skyrocket glides beautifully Cutting right through middle everything its sensa tionaL will knock socks off Ive got drag Don Srull Substi tute Joe Charlie Ike own group wish Now older modelers will remember Ed Lidgards Sparky Rubber design Comet Ed eye beauty pro portionsone all-time greats Sparky just showed up another mag different form Sparky spans 64 has 460 sq area Leisure geared 05 turning 11-7 although 1 l-7 11-8 may better Electric guys cramming sorts multi-cell packs Seven sub-Cs favorite 05 Both Dons have stan dard factory-supplied 6 sub-C Sanyos Leisures big Playboy RC-assist FF Other points can fly well recommended charge rates periods factory-supplied chargers anything over 05 requires voltage doubler well convert car battery 12V say 28 30 want precise charge anything gives absolute maximum power overcharging need charger digital readout 1/lOOths volt digital voltmeter say Radio Shack Things still too new model forms proliferating definitive answers yet come tradeoffs between voltage weight Continued page 132 92 Model Aviation NICAD MEMORY ERASE ? Fun/Winter Continued page 92 GIANT SCALE & SPORT PLANS SETS & KITS order contains concise construction manual Partial kits include precut wing ribs fuselage formers prebent lending gear Full kits include everything above plus strip wood necessary hardware assembled landing gear cabane struts fiberglass cowl wheelpants required already hsve plan sets may deduct $1090 prices partial full kits listed below J B Special MK 4 Convertible 84 Monoplane 78 Biplane Weighs 18 lbs Low Wing Biplane 6 Parasol Plans $2195rPlans $2195 Partial Kit 58495j- Either BothPartial Kit $0405 Full Kit 518495Full Kit 519495 Travel Air 2000 105 Classic Scale Biplaire WI 231bs Plans $2295Partial Kit $9850Full Kit $19850 Travel Air 4000 99 Radial Eng Classic Biplaire 23 lbs Plans $2295Partial Kit $9995040 Kit $21400 Fokker DVII 88 German WWI Fighter Biplane 23 lbs Plans 2495 Partial Kit $10995 Full Kit $20950 Sopuvith Tripehound 80 WWI Triplane 17 lbs Plairs $2195Partial Kit $10995Full Kit $21995 Sopwith Pup 80 WWI Biplane 19-17 lbs Plans $2195 Partial Kit $9850 Full Kil $19950 WACO UPF-7 90 Biplane 23 lbsPlaits $2395 Airplanes Landing Gear 2 wire formed nirly $995 hipping Assembled ready install $1995 $150 shippitig Wheel Pants models add $51 Cabanes $995 $1 shipping Fokker Cabanes $1495 hippittg Watch dealersahelves 60 size version Quarter Mastgr Kits Pup TA 20004000 ft JB Special Dealer Inquiries Invited Prices will change after April30 Ordering information orders shipped UPS Parcel Post Please add 53 shippiirg plaits 510 kits Make checks payable Jerry BehreirsFor fastest service send Postal money order bank check Sorry no COD will accepted Seird mail orders BENRENS PLAN SERVICE 31-27 Healy Ave. Far Rockasvay NY 11691 Phone 12121 3376987 Allow 46 weeks delivery thrust wing loading etc big yellow Micaflim-covered Sparky given 7-mm charge first flight 10 minutes second Roughly half-charged No expected what happen Total shock ran quickly true track tail-dragger gear lifted off tur bulence somewhere between two minutes flight speck on-off motor shut down model glided back up long approach across wide field about 4-ft height dragged power inputs avoid stakes near narrow road landed gently plain day airplane using on-off will fly warm day no thermals though perhaps gentle lift decrease sink rate 15 20 minutes Extra-long flights soaring seem virtually unlimited lift around Obviously glorious Wakefields yes teryear wing loadings cross-section rules applied such Korda Ron Warring jobs Frank Zaics Cahills fantas tic Clodhopper will make world-beating sport 05 Electrics scaled-up 50% Sruli wants start big Gas Korda talked aboutat 6-ft span just laid down sides own original low parasol 515 squares Geared OSs now will fly Old-Timers gassies areas up 720 sq lightweight Astro Flight has motors up 40s So-called Schoolyard Scale models dont columnists discover Gas Schoolyard needs no apolo gies will fly beautifully 02s 035s former ideal 02 gassies Dont compare Gas Electric latter new entirely different challenge love Gas floaters Old-Timers also great thrill see Electric bore heavens shut down float ready start up whenever wish Think about Wakefields Sparky right out believe-it-or-not Edi toT Srulls scaled-up Electric Sparky will future MA construction presentation Loose ends Talking about Pilot Aero Sport 19 job fly OS Schnuerle 25 observed crates seem call something equally good mid-range 25 40 power latter being just too big World Engines asks considered newly-announced OS FSR 28 bored-out 25 FSR same physical dimensions 25 FSR case available both airplane Helicopter ver sions new OS 25 FSR ABC Scotty World also notes complete ly redesigned 30 WankeL Improved metal lurgy cooling gain increased durability fewer repairs elimination old aluminum cooling shroud Scotty thinks three answer hotter 30 help bridge gap between hot 25s toobulky 40s aircraft now market People ask about recent discussion desired anti-tip-stall washout did think Pattern people would confused Some P0 Box 3957 Torrance CA 90510 Washout Pattern machine will give varia tions right-side up inverted such plots always hope maintaln adequate air speed anyway hacking around washout life insurance Cliff McBaine builds museum models must take issue Don Miller indicating use Gottingen 387 Vega Fokker Ford Trimotors MA January 1983 page 18 well docu mented gas Clark Y18 root Clark Y95 wing tip Fokker unique Fokker airfoil Ref US Civil Aircraft VoL 1 Joseph P Jupt ner According Juptner VoL 2 3 US Civil Aircraft Ford Trim otor used Gottingen 386 387 ve able locate 386 extensive file airfoll data Juptner could wrong case. or Except Vega file copy Janes Worlds Aircraft does list airfoils Vegas given modified Clark Y Also Millers long letter longhand extractions possible could have missed word such like cannot file old papers repose cartons dont question McBaines facts THE Final Word Scale Staffel Newslet ter wonderful world foam fiberglass ready-to-fly models aerody namics becoming lost art pity because aerodynamics has very INSTRU MENTAL making airplanes fly Which have terms like PIANO wire elevator HORN BELL crank wing CHORD SCALE effect mention too Take air foils would Flat plates OK have limitations gravy keeps running off edge famous men have contributed aerodynamics Bruce Bulk head inventor fuselage created hold wing tall apart wondering what call space between wing tail French chef Armand shouted dinner ready Just moment Arm replied very important contribution made Willie Flapdoodle never wor ried about plane balanced just put CG little box moved around during first few flights found right position glued place very useful CG happens outside structure stops slip stream blowing away on.. Enough already Bill Winter 4426 Altura Ct Fairfax VA 22030 AMA Building/Mankowski Continued paqe 28 names will appear Gold Mem bers Scroll Academy Leaders James S Adams Aero Bats Show Team Aero RC Syracuse Herb GET ORGANIZED s vet vi 4 sturdy ties Ihat Stids over 4 years yvur lavarte 9t t magazines 4 MAG FILES $495 Send $485 pIus 5100 mr ptstage handling DOM INDUSTRIES PO BOX 388-K DOVER NH 03820 132 ModeL Aviation JO peciai Model Magic Products Introduces Model Magic Filler Balsa & Foam Crack Ding Dent & Gap Filler Quick setting 15 mis ndng joo size Sands exactly ike balsa ano loam Water resistant set filletotool No mix ng Lightweig5t Odorless Non-Toxic Shrink-proot Cracs-free Compatible model paicts & cover ngs $595vAdd $100 UPS StIuld ounceAdd $250 UPS& COD Model Magic Products Box 7784 St Pool MN 55119 Dealer Inquiries nailedMinn Res Add 6% 21 Old Time Gas flU 12 HL Gliders 11 Contest Rubber eno 50 for 4 Satellite Kits 82183 catalog 3 Nastalgia Power Pacifiers ft LOTS OF GOOD STUFF FAI Model Supply
Edition: Model Aviation - 1983/05
Page Numbers: 18, 19, 20, 22, 24, 84, 92, 132
CLOSE ASSOCIATION models real planes really turns likely photo real plane scrutinized avidly model project never build Stories behind real planes unearthed Rubber-Scale builders Arabian Nights People turned pictures column dont expect ever hear last Piper Vagabond especially after Jim Jenkins EAA champion sharp modeler boot featured re cent issue would never guess secondmost talked about aircraftthe Martin 130 four-engined China Clipper Thirties able show chaps Clipper four 02 electric motors another nifty biggie using four OS 10s Stories beget stories lets meet Dave Bridgeswho wants build Bud Chappells gassie 130 Editor model will construction feature upcoming issue am retired captain Pan Am Dave Bridges writes have making model airplanes off past 50 years am very much impressed Bud Chappells M-130 China Clipper MAN March 1982 article MA January 1983 would like buy plans Bud build 130 also think Ken Willard itching fly flew Pan Am 1944 until 1981 Dave goes just missed Martin made trips San Francisco Hon olulu back Boeing 314 flying boat 314 bit faster M-130 18 hours versus 22 hours M-130 Boeing 747 does now 4% hours might interested bit history about M-130 designed Pan Am three built Hawaiian Clipper Philippine Clipper China Clipper based Alameda Airport California airport used now right middle Alameda Naval Station about mile inland bay Later Treasure Island built Pan Am moved base Hawaiian Clipper disappeared trace between Guam Philippines Philippine Clipper crashed near Clear Lake CA inbound Honolulu flight bad weather way no celestial fixes positions flight crew aware flying jet stream unknown days arrived about three hours early theory Captain saw lights ground attempt ed turn around fly back sea strong winds blew mountain near Clear Lake China Clipper replaced Boeing 314 sent down Carib bean met its demise Compared planes today Bridges recalls M-1 30 slow stiff con trols bit uncomfortable times no smoking board due fuel leaks part glamor now no smoking ecology check out plane find too glamorizing resist youll richly rewarded Its rather like finding trunk attic pictures forgotten ancestors Lee Renaud now have read about passing Lee Renaud Airtronics May say word about friendship early Six ties inked two plans MAN fact didnt note until long time later Lee must have needed pocket money like rest us times Still later blossomed out full-page ads RCM perhaps fea turing some great Sailplanes Daring thought crossing fingers concern went became part Cox empire itself later part Leisure Dynamics em pire lately reacquired Airtronics After own 12-year hiatus Lee sent Cox-Sanwa time its servos could stand looking later system arrived instead old serviced Lee just said deserved flew modern Airtronics stuff too wonders other folks Lee saw over rought spots point story hobby lasting friends makes ridiculous us unload anyone 18 Model Aviation U lust fun Bill Winter Variety spice lifethe theme Bostonians John Oldenkamp Theyre published soon perhaps already Model Airplane News Yes need magazines look youll see Top Right shoulder-wing motif Bellanca type lifting fuselage saucy John backing RC Bill Winter pleads him extend FF genius RC go bananas John shook fun-fly troops selecting Falconbut allows three nifties picture could adapted RC think wing decorations see five 2sor five Zs sleep Electric will knock socks off says Winter has seen fly Its Don Srulls en larged Sparky Original rubber-powered designed Ed Lidgardput out kit Comet Models years ago SruIl enlarged 64-in span 460 squares geared Leisure 05 6-cell pack Sanyo sub-Cs 11-7 prop almost out sight its first test hop half charge Winter thinks enlarged rubber jobs yesteryear great Electric sport flying construction article Srulls Electric Sparky way miffed over rules club matter kind models someone builds good anyone does lives after him Thank Lee Someday goldarnit will write column planned things people keep blowing out water go ape over club newsletters some look forward magazines magazines read things drive bananas old-boy grapevine international net work black-magic guys doing strange wonderful things Like prewar Chinese airwarning system signaling hilltop hill top Chinese could alert inland target good hour before Japanese bomb ers could get As newsletters FACs thick full crazy fun sorts R&D plans worlds strangest airplanes out remote past guys think nothing flying Handley-Page biplane transports Vick ers Vulcan ugly British torpedo planes early 20s Huge crazy-angled crates com plete ladders side pilot could climb up lofty cockpitas cleaning gutters goes forever think editors chew funny mushrooms Magazines Lets just take unending statements must never build biggie weighs 12 pounds per cubic inch displacement glow kaput kick cat despair anyone can ignore wing loading beyond 12-lb rule thumb does FROM-MODEL AIRPLANE NEWS_________________ FEBRUARY 1949 NOTE ENTIRE MODEL 31/8 FROM 3WIDE BALSA SHEET DESIGNED BY Bill Winter ERsa/W-a PROP BLOCKl X2XIO RUGGED SIMPLE AIRPLANE DESIGNED FOR SPEED III 1~ -- II 1/32 SHE 2HARDWOOD WHEELS - HJCI WING SECTION 4 TIMES1/16 SHEET Busted needing new batteries original RC Special Bill Walt Schroder planned drew flew quickie rubber-powered model day early 1948 late Howard McEntee helped get RC job going few days later does steep 180-deg turn hand-launch flies bee line Tremendous rubber motor length high power well different wasnt real competition speedster though drawing says speed model Thank Bill Gough sent print Bill Winter Christmas card Gough said flew great Winter says Gough must have able adjust original dedicated proposition straight line shortest distance between two points suit crates wrong ex ceptions crate classic lightplane like Robin Moth Did real plane have flaps fighter no-holdsbarred aerobatic machine example Haff kes rotund Gee Bee recently published MA fits ruleit also glow 90-powered Hafike has published Gee Bee good flies over 60 oz per sq ft wing loading other hand nothing wrong 18-lb Vagabond 0S 90 9/lOths 12 pounds would weigh less 11 lb can pardon mentioning 10-ft 4-in Aristocrat again 28 pounds 132 cu displacement Tartan am mortal sinner because supposed weigh 12-lb rule thumb 16 pounds would no-wind floater flies majestically 1929-30 classic should May1983 19 cant believe well-named Ugly Stik widely-loved airplane consider un known builders tail feathers decorations Thanks H Thomas picture John Oldenkamp oldies Farman Moustiques keep popping upfrom Bill Hannans favorite Peanut big RC crates offered plans firms Johns skeleton lower left 36-in Jumbo Rubber Scale job Pre-historic Farman Bipe flying before Fun columnist born too available big-plane plans Johns upper left 13-in-span Peanut Simple acres area bipe gives slow flight kind model piece de resistance Oldenkamps 23-in-span rendition Borel Hydroplane right Note undercamber reflection know weighty rollout momentumalso realistic Compare similar Stinsons etc mush along 2 cu displacement weigh average 22 25 pounds OK 12-lb rule Dont believe could take 3 cu Stinson sublime configuration good come real carried four people whereas Aristocrat carried threeand Stinson flaps olden days speed ranges often miserablethe top speeds relative stall landing speeds have lots wing area old days relatively tow powerto land easily small runwayless aerodromes farm field drop water conked out OX-S carb take off Flaps quantum leap Wing area reduced drastically better cruise means much higher wing loadings big model same general type need shoot 12-lb figure per cu Since sluggish performance persists Catch 22 situation Speed range better because flaps maintained fairly comparable landing speeds An 18- 20-lb 24-26 Stinson 2 cu would compare Aristocrat 28 lb 132 cu glow come Well spans roughly equal Aristocrat older vintage scales 18-in chord Stinson 11 9-ft plane forgetting loss due cabin width translates 4/2 sq ft difference wing areas between what looks like two similar-type planes dif ference wing loadings stupendousyes build Stinson lightweight can get use still power Flaps just fun stuff must play precisely Stinson et al want top results Consider Doc Brookes magnificent import ed kits high-priced worth huge Tiger Moth floats like feather Fantastic Sure ifs bipe ones have watched just superb weigh 30-32 lb fly majestically 2 cu old-model Quadra capable lifelike loops rolls glorious dead-stick forced landings weight 3 cu would make P-12 Yet tell us dont build over 24 lb abide 12-lb per cu thing 24 lb under rule youd almost have fly Tiger Moth like Indoor models Heavy spark-ignition engines mainstream Scale lend balance know twin-engined Kawasaki job made much Con tinued page 22 20 Model Aviation Surprise John Maloney Since manufacturers ardent modelers sneak camera detected hard work Left John tries full-throttle before takeoff Robin 1000 Brad Butler hangs gosh John dragged out Old-Timer right maybe lost its papers Brad restrains its roaring power mere finger hold Photog took Fifth no bottle silly Joe l-itzgibben 0 tiolden ge Heproductions tadoress vu uox ti uraintree MA iw guys want write him about old kit plans etc shows off rubber-powered Pacific Ace Flying Aces Club logo magazine name decal furnished Joe mem bers FAC Photo Tom Schmitt taken Durham Ctr CT contest October 1982 MEl Iii 1I1 IdilIlly ren flUUUUd gets ready fly laurn Bob Winters favorite years-old Mach 1 mu i anything wont Editorial research reveals guy started has o grand kids six greats solemnly swears wont inflict us picture tremendous mob Discriminate Scale Fliers Demand Dave Platti m perfectionist. kits prove reputation finest models RC scale has founded upon careful attention detail period over twenty years fact Im particular about kits theyre available personally make kit sign hold myself responsible reproductions genuine Dave Plast kit guarantee true outline combined force arrangement flies properly THE ULTIMA legendary beauty efficiency Spitfire 1/5 scale Accurate last subtle curve Magnificient indeed lust sitting simply awe inspiring flight Powered 90 120 glo engine bra Masimizerl ultimate Spitfire will provide intense experience sophisticated R/G modeler Span 88 Length 76 Weight 15-20 lbs ii BkckerJungmeister regular direct drive engines 60 90 65 span 1/4 scalel ace aerobatic biplane time Still fits car $139 j 3rand bold flies great staying easily transportable 1/5 scalel 79 span over 1000 sq ins 90 engines $179 New 1/4 Scale Pilot$139 Supplied unpaint ed comes in-Available /5 1/6 scale World Retracting struction booklet 3UWar II Fighter Pilots full Landing Gear Now Strengthened tor figure$15heavier ships ___Complete system St 39 HOW TO ORDERDireci Irom manulacturer no markupi Write call .we accept check money order Master Charge Visa cards pay UPS anywhere USA Florida residents add 4% sales tas Yes accept loreigo orders pay freight information model send sell addressed envelopem nave Dlatt ivuodels inc ___ 6940 NW 15th Street Plantation Florida 33313 Phone 305 587-4861 ,lfiord ii 5 ohe cooms Wingspan 56 Channels 2-3 Wing Area 690 sq Engine19-35 iopper complete 1/6 scale H/C model kit designed assemblelook fly like famous WeedhopperTM Model-C Ultralight AIRCRAFT parg aluminum structure pre-bens drilled nylon rip-slop coverings pre-sewn1/6 Scale $16995 Available choice four colors hobby shop now1/3 Scale $26995 Other ultralights available soon carlberg companies product 8170 WEST PENN AVE ROSEVILLE 1161473 PHONE 309/426-2161 news 14 lb ballast wasnt enough Some inexpensive reliableI have Quadra would never knock point individuals perception econ omy etc ignition takes preference glow well spark suits own crates Some Stinsons like cant hold altitude less full throttle some legit size ignition engines yet glow farheavier Aristocrat can make gentle Figure 8s near idleon 132 cu glow nothing Its just sug gested 12-lb bit ignition better some big crates according typebut something haywire everything contrary universally cen sored cant read anywhere Al Alman until recently director now advisor IMAAthe big-plane associationhas head screwed right practical guy digs philosophy Electric winch game talks diesels Davis heads Al has great results Davis-head Fox Eagle II turning real club prop glow engine lends itself diesalization remarkable facility chat about things RC though course love big airplanes agree planes requiring field repairs major components should flown again dayand very good reason have go along Don G 12lb per cu limit Al begins Without such reasonable guidelines too guys will doing real crazy stuff absolute means experience has proven 12-lb fsgure very practical limit power loading wing loading must also consideredand usually exceeding 12 lb per cu results excessively high wing loading think wide speed enve lope low stall speed envelope almost good romance seems Al continues glow-type engine per cubic inch will outpower gaso line-burner Auther 132 cu glow turns Top Flite 18-6 up 7000-7100 rpm roughly comparable old-model 2 cu Quadra less weight plus favorable wing loading Aris tocrat results good-flying bird what appears radically minimum power Also hot-rod type fly Aristo like should flown Its Cap 20 like its flown way analyze what both say will find really agree fly two classics no flaps hence area Aristo does Scale Procedure positive speed preciseness Naturally no vertical maneuvers involved did roll stunt real aircraft RC want good vertical performance better off power less weight loggy crate does terrible Stall Turns Wingovers piloting actually far difficult aerobaticsdont kid yourselfyou must ftrst well-grounded pilot Really want see end business hiding glow closet fits well within limits conversely 3 cu glow would break bank Monte Carlo 2 5% nitro 8% oil few dozen big-plane flights year am con cerned about fuel costs less $10 gallon other hand big-tank Kadet 40 rocking budget flies much often flights will make old-boy networkand Pappv Continued page 24 22 Model Aviation MOTOB MIIG flot tunti q.iitn intitn tiarot mew mn oini ewin nn&i, stindoin 55S inrtos ut onha bin tun. vwwi ut aneotwo poos 5 siollote cnlirtuts rito 0 n.sinronn OmY $695 U etA pemr* uosaCeno owos CaIN raalduila add sales tax tI96 139 T61 A/C LE SCHNUEALEMuffler Muffler T 61 will n litnited production durtng 1963 Swtrle ports increase fuel economy robbing power Featores include Forged Piston Con Rod hardened steel cylinder single ring double ball bearings ioneStneot cast crankcaseAvailable late spring B19 840 U-CONTROL 19 t39n 840 t49 perfect engine U-control flying Improved bypass low tension dyhes ring make 640 619 enceptional values Muffler will soon available 519 u/c available now 1161 A/C Schnuerle ported 61 provides easy starting high performance longevity FEATURES INCLUDE Sditnwt Euro odd Roost Pat Dmt 811 Rosotte Fnntd Mine Pfttor & C. Rod Rtdod Cumonlin Rod 0 noR Sod Rods Cottur 16 HP t 155CR RPM aoioltvliiitttiminrbantoorvointlro Send 100 Complete Catalog Key Chain trudovun otoattiod St ibm mono tonouwi aunt tIti eurot md deBolt writes letters crammed experimental stuff fringes oftentimes almost always works out have won argument Hal well-nigh 50 years told should use props big holes blades wouldnt laugh Ive through him strip ailer ons full-symmetrical airfoils etc flies big ger props anyone else Pylon makes work prop unloading air him George Aldrich writes Gosh Hal has forgotten want know long friendship mildly strained editor MA failed print second portion prop article faith would-be aerodynamicists compu ter engineers hordes guys tarred feathered everyone poor editor down figured world unllke wasnt ready Harold isnt theory him curiosity search better things Like Dizzy Gillespie Hal uses wildlybent trumpet interprets aerodynamics music fine dont condemn crazy horn againand some coincides much long-buried ideas new crates Hal loves racing planes big models Hes long fixation sleek Cau dron racers go big enough get required wing area fuselage reaches coast-to-coast often eye Folkers racer just differentand wouldnt mag nificent flew what would happen Im curious Wonders Hal cheat picture Zeroa bit wingy fighter fine example Japanese artistic eye lovely out llnes wing area upped other things proportion leaving fuselage alone would have sport Sport Scale use ful competition would very nice easy-to-fly sport model class wing could fudged degree per formance Zero look-alike powered soarer could P40 what ever Hal determined type answer 1/3-scale wing 1/4-scale fuselageif can find anyone agree did bet will build mad Caudron will handle easily over-scale Sig Kavalier also flying 2-Meter Sailplane rub ber power gets straight flights 1000 ft What shook him up amount rubber needed turn big Wake field prop24 strands V4 So just phoned him flipped getting about 30 ft altitude tried lower pitchand climb improved considerably power ran out like gang busters went middle now has worlds wack iest Rubber job climbs fairly well circles big prop glides like brick also busting blades Hes trying folders long discussion out old Rubber Scale days about prop block dimensions Dont ask what up Id bet 2-Meter just handy test platform Speak ing big Pylon Racing props guys write What has done lately Pylon shame Hal like ancient mariner NASA test pilot tried argue him out beef depth perception shot am school thought no real ly has lone oak tree Round Swamp Long Island embarrassed too fighter airline pilots believe Hals problem real Doc implanted some kind plastic lenses now old boy Continued page 84 24 Model Aviation COMPLETE LINE OF AMERICAN MADE ENGINES 7i7L FROM RJL IN 19831 MODEL ENGINES Made USA qualfty E4a Including Muffler OfIAbIflfY aGevice 819 840 RADIO CONTROL 819 tggm 467gm hest bet beginner Sunday flyer Improned bypass low tension dykes ring give plenty power Equipped Perry carburetor new RIL muffler MADE IN AMERICA AMERICAN TECHNOLOGY RJL Industrla ox 9654 dena CA 91107Phonw 213 359-6016 Nor Ca ACCJAC AVIONIUS ACCU ETACH LCD2R3MONITOR VOLTM ttie state K YoU get Cead DetefmIyour NiC CNARG Makes accura1ct idle thru~afge Wit safely fast chargbY topend justment batteri5 Wik pack ~ tinY gals out Se d0 Ioam5St TX/IX ba atchIn 519a h dual scale r iOOX cycle wit i tery combosage drop capabiljitthfull Charge electronics 95 ORDER YOURS NOW 7 9 Pd Send check money order no CODs NorCal AVIONICS Inc PO Box 70956 sunnyvale CA 94086 California residents add 60/o tax Add $300 shipping outside continental USA Dealer inquiries invited 0tm ctitjPccJiJ 615 So Gallatin Rd son TN 37115 615 868-6811_____ Mon thru Sat am 500 pm RTER & GIANT SCALE S IMQOELERS.RADIO SYSTEMS I-- -FUTABAand ROYAL ACCESSORIES FOR j MOST RADIOS LLIT-SAP need LLIT-SAP multiple servo LONG LEAD INTERFERENCE TRAP & SERVO ALTERNATE POWER adap tar Specify radIo ordering $2995 postage paid send large SSAE for literature Safety/Preston Continued page 16 final word frequency control Whichever ystem prefer goes saying C flying fields should have transmitter im pound impound frequency control board same structure trip impound obtain ones transmitter should prompt old memory also doing whatever necessary indicate use frequency Transmitters scattered willy-nilly throughout pit area sure-fire way leaving oneself open frequency abuse inevitable shoot-down Now can get pen paper drop line subject Which frequency control system foolproof simple popularity model diesel engines suggests word warning diesel fuel principal tngredient makes model diesel engine oper ate benefit glow plug ether volatility ether greatly exceeds methyl alcohol Treat ether diesel fuel would gasoline Dont keep basement beside furnace gas hot water heater mix own diesel fuel outside away ig nttion source Remember ether used used anesthetic back old days avoid breath ing fumes last tip comes fellow club member Lou Bruhn really suggstion makers RC equipment latest crop transmitters appear have about exhausted number whistles bells can realistically use ful making easier control set up model Lou suggests adding built-in frequency monitor transmitter person already has everything else way might work would use three-position switch instead current two-position On/Off switch Switching transmitter would become two-step affair Going Off first position would turn frequency monitor would indicate either audible tone meter whether channel clear no incoming signal present would comfortable switching third position switch would turn transmitter turn off frequency monitor Just though might further decrease num ber accidental shoot-downs Have safe month John Preston 7012 LIvira Cr Falls Church VA 22042 Fun/Winter Continued page 24 pardon Hal hes back sharper flying Im jealous cant judge height coming over fence landings up down ttrip often rough Props prove interesting Hal tells us still speaking 2-Meter rubber power Wakefield sizes provided limited climb long low flight ground effect much smaller low-pitched prop gave good climb altitude much distance Something between gave decent altitude much longer cruise altitude plus longest distancethe realistic flight same amount rubber limited cost ability wind What noticed big props continues once two-thirds winds gone better stopping prop Fold During last portion Continued page 92 84 Model Aviation SUMLI UI-1llMUISJI.3/ti UIALI b MIIUUS Send5OforcatalogN 216-499-5323 RC Kits Mfg\ . 706 Easton NE\ IL Canton OH 44721 N STEPHENS ACRO REPAIR SERVICE FOR HOBBY LOBBY EI LOGICTROL FUTABA HOBBY SHACK ROYAL LINE Fun/Winter nntinnrf oaoe 84 Complete automatic operation Erases Charges Checks Rapid charges 35 mm typically Automatically repairs shorted cells No dangerous heat build up Front panel selects up 3 different packs Unlimited battery combinations program modules user programable LEO status indicators Supplied universal EZ hook wire leads Specify Voltage Battery Packlel order program module included onal modules $225 $8900 plus $400 Shipping PA Residents add 6% seles tax Coming Soon iple pack memory erase charger municiple commercial applications write information send requirements GMS 401 complete automatic NICAI condi tioner rapid charger Never before has offered anywhere price its good its ing patented NICAD memory characteristics must dealtwith otherwise battery pack delivering could OMS 401 will automatically erase rapid charge type NICAD pack 1 10 cells CONTROL PRODUCTS UNLIMITED INC PO Box 10 Downingtown PA 19335 215-383-6395 flight slow-turning prop actually increases sink rate Basic suppose unless could reduce flying speed prop did act like brake Srull prop shape parallels find ings Gas props Author Srull acquired technical paper conclusion wide point prop should one-third out blade length outer twothirds rather pointedit works wonders Rubber Scale helps reduce drag hub tip might find some progressive airfoils interesting play latest best prop Quadra 20-12 drag reduction ideas Most guys snicker until see unload pull air surprise noise reduction Noticeably quieter air Leads believe other props ing bit air thrashing instead pulling Sound seems good gauge work props could go forever.. may shock Electric world ap pears scaling-up old sport Rubber jobs yields better performance compared virtually snub-nosed highdrag Gas Old-Timers Perhaps ultimate Electric sport Electric already splitting resplitting widely diverging configurations RC general Most newcomers putting OSs Sailplaneslike Gentle Lady Winddrifter II like son Mike Top Flite Metrick gets slip pery Others using reduction-drive iSs Scale Porterfields like Still others go Buzzards etc same 15 though new OSs can fly too Some go multi-engine 02s 035s etc especially Scale types because power thrust an& never have engine-out crisis Tiny bombs single double 02s will scream up 90 mph 4-pt rolls Really hot pilots convert Barbarian Electric advanced aerobatics ship will talk about pretty climbs like crazy though skyrocket glides beautifully Cutting right through middle everything its sensa tionaL will knock socks off Ive got drag Don Srull Substi tute Joe Charlie Ike own group wish Now older modelers will remember Ed Lidgards Sparky Rubber design Comet Ed eye beauty pro portionsone all-time greats Sparky just showed up another mag different form Sparky spans 64 has 460 sq area Leisure geared 05 turning 11-7 although 1 l-7 11-8 may better Electric guys cramming sorts multi-cell packs Seven sub-Cs favorite 05 Both Dons have stan dard factory-supplied 6 sub-C Sanyos Leisures big Playboy RC-assist FF Other points can fly well recommended charge rates periods factory-supplied chargers anything over 05 requires voltage doubler well convert car battery 12V say 28 30 want precise charge anything gives absolute maximum power overcharging need charger digital readout 1/lOOths volt digital voltmeter say Radio Shack Things still too new model forms proliferating definitive answers yet come tradeoffs between voltage weight Continued page 132 92 Model Aviation NICAD MEMORY ERASE ? Fun/Winter Continued page 92 GIANT SCALE & SPORT PLANS SETS & KITS order contains concise construction manual Partial kits include precut wing ribs fuselage formers prebent lending gear Full kits include everything above plus strip wood necessary hardware assembled landing gear cabane struts fiberglass cowl wheelpants required already hsve plan sets may deduct $1090 prices partial full kits listed below J B Special MK 4 Convertible 84 Monoplane 78 Biplane Weighs 18 lbs Low Wing Biplane 6 Parasol Plans $2195rPlans $2195 Partial Kit 58495j- Either BothPartial Kit $0405 Full Kit 518495Full Kit 519495 Travel Air 2000 105 Classic Scale Biplaire WI 231bs Plans $2295Partial Kit $9850Full Kit $19850 Travel Air 4000 99 Radial Eng Classic Biplaire 23 lbs Plans $2295Partial Kit $9995040 Kit $21400 Fokker DVII 88 German WWI Fighter Biplane 23 lbs Plans 2495 Partial Kit $10995 Full Kit $20950 Sopuvith Tripehound 80 WWI Triplane 17 lbs Plairs $2195Partial Kit $10995Full Kit $21995 Sopwith Pup 80 WWI Biplane 19-17 lbs Plans $2195 Partial Kit $9850 Full Kil $19950 WACO UPF-7 90 Biplane 23 lbsPlaits $2395 Airplanes Landing Gear 2 wire formed nirly $995 hipping Assembled ready install $1995 $150 shippitig Wheel Pants models add $51 Cabanes $995 $1 shipping Fokker Cabanes $1495 hippittg Watch dealersahelves 60 size version Quarter Mastgr Kits Pup TA 20004000 ft JB Special Dealer Inquiries Invited Prices will change after April30 Ordering information orders shipped UPS Parcel Post Please add 53 shippiirg plaits 510 kits Make checks payable Jerry BehreirsFor fastest service send Postal money order bank check Sorry no COD will accepted Seird mail orders BENRENS PLAN SERVICE 31-27 Healy Ave. Far Rockasvay NY 11691 Phone 12121 3376987 Allow 46 weeks delivery thrust wing loading etc big yellow Micaflim-covered Sparky given 7-mm charge first flight 10 minutes second Roughly half-charged No expected what happen Total shock ran quickly true track tail-dragger gear lifted off tur bulence somewhere between two minutes flight speck on-off motor shut down model glided back up long approach across wide field about 4-ft height dragged power inputs avoid stakes near narrow road landed gently plain day airplane using on-off will fly warm day no thermals though perhaps gentle lift decrease sink rate 15 20 minutes Extra-long flights soaring seem virtually unlimited lift around Obviously glorious Wakefields yes teryear wing loadings cross-section rules applied such Korda Ron Warring jobs Frank Zaics Cahills fantas tic Clodhopper will make world-beating sport 05 Electrics scaled-up 50% Sruli wants start big Gas Korda talked aboutat 6-ft span just laid down sides own original low parasol 515 squares Geared OSs now will fly Old-Timers gassies areas up 720 sq lightweight Astro Flight has motors up 40s So-called Schoolyard Scale models dont columnists discover Gas Schoolyard needs no apolo gies will fly beautifully 02s 035s former ideal 02 gassies Dont compare Gas Electric latter new entirely different challenge love Gas floaters Old-Timers also great thrill see Electric bore heavens shut down float ready start up whenever wish Think about Wakefields Sparky right out believe-it-or-not Edi toT Srulls scaled-up Electric Sparky will future MA construction presentation Loose ends Talking about Pilot Aero Sport 19 job fly OS Schnuerle 25 observed crates seem call something equally good mid-range 25 40 power latter being just too big World Engines asks considered newly-announced OS FSR 28 bored-out 25 FSR same physical dimensions 25 FSR case available both airplane Helicopter ver sions new OS 25 FSR ABC Scotty World also notes complete ly redesigned 30 WankeL Improved metal lurgy cooling gain increased durability fewer repairs elimination old aluminum cooling shroud Scotty thinks three answer hotter 30 help bridge gap between hot 25s toobulky 40s aircraft now market People ask about recent discussion desired anti-tip-stall washout did think Pattern people would confused Some P0 Box 3957 Torrance CA 90510 Washout Pattern machine will give varia tions right-side up inverted such plots always hope maintaln adequate air speed anyway hacking around washout life insurance Cliff McBaine builds museum models must take issue Don Miller indicating use Gottingen 387 Vega Fokker Ford Trimotors MA January 1983 page 18 well docu mented gas Clark Y18 root Clark Y95 wing tip Fokker unique Fokker airfoil Ref US Civil Aircraft VoL 1 Joseph P Jupt ner According Juptner VoL 2 3 US Civil Aircraft Ford Trim otor used Gottingen 386 387 ve able locate 386 extensive file airfoll data Juptner could wrong case. or Except Vega file copy Janes Worlds Aircraft does list airfoils Vegas given modified Clark Y Also Millers long letter longhand extractions possible could have missed word such like cannot file old papers repose cartons dont question McBaines facts THE Final Word Scale Staffel Newslet ter wonderful world foam fiberglass ready-to-fly models aerody namics becoming lost art pity because aerodynamics has very INSTRU MENTAL making airplanes fly Which have terms like PIANO wire elevator HORN BELL crank wing CHORD SCALE effect mention too Take air foils would Flat plates OK have limitations gravy keeps running off edge famous men have contributed aerodynamics Bruce Bulk head inventor fuselage created hold wing tall apart wondering what call space between wing tail French chef Armand shouted dinner ready Just moment Arm replied very important contribution made Willie Flapdoodle never wor ried about plane balanced just put CG little box moved around during first few flights found right position glued place very useful CG happens outside structure stops slip stream blowing away on.. Enough already Bill Winter 4426 Altura Ct Fairfax VA 22030 AMA Building/Mankowski Continued paqe 28 names will appear Gold Mem bers Scroll Academy Leaders James S Adams Aero Bats Show Team Aero RC Syracuse Herb GET ORGANIZED s vet vi 4 sturdy ties Ihat Stids over 4 years yvur lavarte 9t t magazines 4 MAG FILES $495 Send $485 pIus 5100 mr ptstage handling DOM INDUSTRIES PO BOX 388-K DOVER NH 03820 132 ModeL Aviation JO peciai Model Magic Products Introduces Model Magic Filler Balsa & Foam Crack Ding Dent & Gap Filler Quick setting 15 mis ndng joo size Sands exactly ike balsa ano loam Water resistant set filletotool No mix ng Lightweig5t Odorless Non-Toxic Shrink-proot Cracs-free Compatible model paicts & cover ngs $595vAdd $100 UPS StIuld ounceAdd $250 UPS& COD Model Magic Products Box 7784 St Pool MN 55119 Dealer Inquiries nailedMinn Res Add 6% 21 Old Time Gas flU 12 HL Gliders 11 Contest Rubber eno 50 for 4 Satellite Kits 82183 catalog 3 Nastalgia Power Pacifiers ft LOTS OF GOOD STUFF FAI Model Supply
Edition: Model Aviation - 1983/05
Page Numbers: 18, 19, 20, 22, 24, 84, 92, 132
CLOSE ASSOCIATION models real planes really turns likely photo real plane scrutinized avidly model project never build Stories behind real planes unearthed Rubber-Scale builders Arabian Nights People turned pictures column dont expect ever hear last Piper Vagabond especially after Jim Jenkins EAA champion sharp modeler boot featured re cent issue would never guess secondmost talked about aircraftthe Martin 130 four-engined China Clipper Thirties able show chaps Clipper four 02 electric motors another nifty biggie using four OS 10s Stories beget stories lets meet Dave Bridgeswho wants build Bud Chappells gassie 130 Editor model will construction feature upcoming issue am retired captain Pan Am Dave Bridges writes have making model airplanes off past 50 years am very much impressed Bud Chappells M-130 China Clipper MAN March 1982 article MA January 1983 would like buy plans Bud build 130 also think Ken Willard itching fly flew Pan Am 1944 until 1981 Dave goes just missed Martin made trips San Francisco Hon olulu back Boeing 314 flying boat 314 bit faster M-130 18 hours versus 22 hours M-130 Boeing 747 does now 4% hours might interested bit history about M-130 designed Pan Am three built Hawaiian Clipper Philippine Clipper China Clipper based Alameda Airport California airport used now right middle Alameda Naval Station about mile inland bay Later Treasure Island built Pan Am moved base Hawaiian Clipper disappeared trace between Guam Philippines Philippine Clipper crashed near Clear Lake CA inbound Honolulu flight bad weather way no celestial fixes positions flight crew aware flying jet stream unknown days arrived about three hours early theory Captain saw lights ground attempt ed turn around fly back sea strong winds blew mountain near Clear Lake China Clipper replaced Boeing 314 sent down Carib bean met its demise Compared planes today Bridges recalls M-1 30 slow stiff con trols bit uncomfortable times no smoking board due fuel leaks part glamor now no smoking ecology check out plane find too glamorizing resist youll richly rewarded Its rather like finding trunk attic pictures forgotten ancestors Lee Renaud now have read about passing Lee Renaud Airtronics May say word about friendship early Six ties inked two plans MAN fact didnt note until long time later Lee must have needed pocket money like rest us times Still later blossomed out full-page ads RCM perhaps fea turing some great Sailplanes Daring thought crossing fingers concern went became part Cox empire itself later part Leisure Dynamics em pire lately reacquired Airtronics After own 12-year hiatus Lee sent Cox-Sanwa time its servos could stand looking later system arrived instead old serviced Lee just said deserved flew modern Airtronics stuff too wonders other folks Lee saw over rought spots point story hobby lasting friends makes ridiculous us unload anyone 18 Model Aviation U lust fun Bill Winter Variety spice lifethe theme Bostonians John Oldenkamp Theyre published soon perhaps already Model Airplane News Yes need magazines look youll see Top Right shoulder-wing motif Bellanca type lifting fuselage saucy John backing RC Bill Winter pleads him extend FF genius RC go bananas John shook fun-fly troops selecting Falconbut allows three nifties picture could adapted RC think wing decorations see five 2sor five Zs sleep Electric will knock socks off says Winter has seen fly Its Don Srulls en larged Sparky Original rubber-powered designed Ed Lidgardput out kit Comet Models years ago SruIl enlarged 64-in span 460 squares geared Leisure 05 6-cell pack Sanyo sub-Cs 11-7 prop almost out sight its first test hop half charge Winter thinks enlarged rubber jobs yesteryear great Electric sport flying construction article Srulls Electric Sparky way miffed over rules club matter kind models someone builds good anyone does lives after him Thank Lee Someday goldarnit will write column planned things people keep blowing out water go ape over club newsletters some look forward magazines magazines read things drive bananas old-boy grapevine international net work black-magic guys doing strange wonderful things Like prewar Chinese airwarning system signaling hilltop hill top Chinese could alert inland target good hour before Japanese bomb ers could get As newsletters FACs thick full crazy fun sorts R&D plans worlds strangest airplanes out remote past guys think nothing flying Handley-Page biplane transports Vick ers Vulcan ugly British torpedo planes early 20s Huge crazy-angled crates com plete ladders side pilot could climb up lofty cockpitas cleaning gutters goes forever think editors chew funny mushrooms Magazines Lets just take unending statements must never build biggie weighs 12 pounds per cubic inch displacement glow kaput kick cat despair anyone can ignore wing loading beyond 12-lb rule thumb does FROM-MODEL AIRPLANE NEWS_________________ FEBRUARY 1949 NOTE ENTIRE MODEL 31/8 FROM 3WIDE BALSA SHEET DESIGNED BY Bill Winter ERsa/W-a PROP BLOCKl X2XIO RUGGED SIMPLE AIRPLANE DESIGNED FOR SPEED III 1~ -- II 1/32 SHE 2HARDWOOD WHEELS - HJCI WING SECTION 4 TIMES1/16 SHEET Busted needing new batteries original RC Special Bill Walt Schroder planned drew flew quickie rubber-powered model day early 1948 late Howard McEntee helped get RC job going few days later does steep 180-deg turn hand-launch flies bee line Tremendous rubber motor length high power well different wasnt real competition speedster though drawing says speed model Thank Bill Gough sent print Bill Winter Christmas card Gough said flew great Winter says Gough must have able adjust original dedicated proposition straight line shortest distance between two points suit crates wrong ex ceptions crate classic lightplane like Robin Moth Did real plane have flaps fighter no-holdsbarred aerobatic machine example Haff kes rotund Gee Bee recently published MA fits ruleit also glow 90-powered Hafike has published Gee Bee good flies over 60 oz per sq ft wing loading other hand nothing wrong 18-lb Vagabond 0S 90 9/lOths 12 pounds would weigh less 11 lb can pardon mentioning 10-ft 4-in Aristocrat again 28 pounds 132 cu displacement Tartan am mortal sinner because supposed weigh 12-lb rule thumb 16 pounds would no-wind floater flies majestically 1929-30 classic should May1983 19 cant believe well-named Ugly Stik widely-loved airplane consider un known builders tail feathers decorations Thanks H Thomas picture John Oldenkamp oldies Farman Moustiques keep popping upfrom Bill Hannans favorite Peanut big RC crates offered plans firms Johns skeleton lower left 36-in Jumbo Rubber Scale job Pre-historic Farman Bipe flying before Fun columnist born too available big-plane plans Johns upper left 13-in-span Peanut Simple acres area bipe gives slow flight kind model piece de resistance Oldenkamps 23-in-span rendition Borel Hydroplane right Note undercamber reflection know weighty rollout momentumalso realistic Compare similar Stinsons etc mush along 2 cu displacement weigh average 22 25 pounds OK 12-lb rule Dont believe could take 3 cu Stinson sublime configuration good come real carried four people whereas Aristocrat carried threeand Stinson flaps olden days speed ranges often miserablethe top speeds relative stall landing speeds have lots wing area old days relatively tow powerto land easily small runwayless aerodromes farm field drop water conked out OX-S carb take off Flaps quantum leap Wing area reduced drastically better cruise means much higher wing loadings big model same general type need shoot 12-lb figure per cu Since sluggish performance persists Catch 22 situation Speed range better because flaps maintained fairly comparable landing speeds An 18- 20-lb 24-26 Stinson 2 cu would compare Aristocrat 28 lb 132 cu glow come Well spans roughly equal Aristocrat older vintage scales 18-in chord Stinson 11 9-ft plane forgetting loss due cabin width translates 4/2 sq ft difference wing areas between what looks like two similar-type planes dif ference wing loadings stupendousyes build Stinson lightweight can get use still power Flaps just fun stuff must play precisely Stinson et al want top results Consider Doc Brookes magnificent import ed kits high-priced worth huge Tiger Moth floats like feather Fantastic Sure ifs bipe ones have watched just superb weigh 30-32 lb fly majestically 2 cu old-model Quadra capable lifelike loops rolls glorious dead-stick forced landings weight 3 cu would make P-12 Yet tell us dont build over 24 lb abide 12-lb per cu thing 24 lb under rule youd almost have fly Tiger Moth like Indoor models Heavy spark-ignition engines mainstream Scale lend balance know twin-engined Kawasaki job made much Con tinued page 22 20 Model Aviation Surprise John Maloney Since manufacturers ardent modelers sneak camera detected hard work Left John tries full-throttle before takeoff Robin 1000 Brad Butler hangs gosh John dragged out Old-Timer right maybe lost its papers Brad restrains its roaring power mere finger hold Photog took Fifth no bottle silly Joe l-itzgibben 0 tiolden ge Heproductions tadoress vu uox ti uraintree MA iw guys want write him about old kit plans etc shows off rubber-powered Pacific Ace Flying Aces Club logo magazine name decal furnished Joe mem bers FAC Photo Tom Schmitt taken Durham Ctr CT contest October 1982 MEl Iii 1I1 IdilIlly ren flUUUUd gets ready fly laurn Bob Winters favorite years-old Mach 1 mu i anything wont Editorial research reveals guy started has o grand kids six greats solemnly swears wont inflict us picture tremendous mob Discriminate Scale Fliers Demand Dave Platti m perfectionist. kits prove reputation finest models RC scale has founded upon careful attention detail period over twenty years fact Im particular about kits theyre available personally make kit sign hold myself responsible reproductions genuine Dave Plast kit guarantee true outline combined force arrangement flies properly THE ULTIMA legendary beauty efficiency Spitfire 1/5 scale Accurate last subtle curve Magnificient indeed lust sitting simply awe inspiring flight Powered 90 120 glo engine bra Masimizerl ultimate Spitfire will provide intense experience sophisticated R/G modeler Span 88 Length 76 Weight 15-20 lbs ii BkckerJungmeister regular direct drive engines 60 90 65 span 1/4 scalel ace aerobatic biplane time Still fits car $139 j 3rand bold flies great staying easily transportable 1/5 scalel 79 span over 1000 sq ins 90 engines $179 New 1/4 Scale Pilot$139 Supplied unpaint ed comes in-Available /5 1/6 scale World Retracting struction booklet 3UWar II Fighter Pilots full Landing Gear Now Strengthened tor figure$15heavier ships ___Complete system St 39 HOW TO ORDERDireci Irom manulacturer no markupi Write call .we accept check money order Master Charge Visa cards pay UPS anywhere USA Florida residents add 4% sales tas Yes accept loreigo orders pay freight information model send sell addressed envelopem nave Dlatt ivuodels inc ___ 6940 NW 15th Street Plantation Florida 33313 Phone 305 587-4861 ,lfiord ii 5 ohe cooms Wingspan 56 Channels 2-3 Wing Area 690 sq Engine19-35 iopper complete 1/6 scale H/C model kit designed assemblelook fly like famous WeedhopperTM Model-C Ultralight AIRCRAFT parg aluminum structure pre-bens drilled nylon rip-slop coverings pre-sewn1/6 Scale $16995 Available choice four colors hobby shop now1/3 Scale $26995 Other ultralights available soon carlberg companies product 8170 WEST PENN AVE ROSEVILLE 1161473 PHONE 309/426-2161 news 14 lb ballast wasnt enough Some inexpensive reliableI have Quadra would never knock point individuals perception econ omy etc ignition takes preference glow well spark suits own crates Some Stinsons like cant hold altitude less full throttle some legit size ignition engines yet glow farheavier Aristocrat can make gentle Figure 8s near idleon 132 cu glow nothing Its just sug gested 12-lb bit ignition better some big crates according typebut something haywire everything contrary universally cen sored cant read anywhere Al Alman until recently director now advisor IMAAthe big-plane associationhas head screwed right practical guy digs philosophy Electric winch game talks diesels Davis heads Al has great results Davis-head Fox Eagle II turning real club prop glow engine lends itself diesalization remarkable facility chat about things RC though course love big airplanes agree planes requiring field repairs major components should flown again dayand very good reason have go along Don G 12lb per cu limit Al begins Without such reasonable guidelines too guys will doing real crazy stuff absolute means experience has proven 12-lb fsgure very practical limit power loading wing loading must also consideredand usually exceeding 12 lb per cu results excessively high wing loading think wide speed enve lope low stall speed envelope almost good romance seems Al continues glow-type engine per cubic inch will outpower gaso line-burner Auther 132 cu glow turns Top Flite 18-6 up 7000-7100 rpm roughly comparable old-model 2 cu Quadra less weight plus favorable wing loading Aris tocrat results good-flying bird what appears radically minimum power Also hot-rod type fly Aristo like should flown Its Cap 20 like its flown way analyze what both say will find really agree fly two classics no flaps hence area Aristo does Scale Procedure positive speed preciseness Naturally no vertical maneuvers involved did roll stunt real aircraft RC want good vertical performance better off power less weight loggy crate does terrible Stall Turns Wingovers piloting actually far difficult aerobaticsdont kid yourselfyou must ftrst well-grounded pilot Really want see end business hiding glow closet fits well within limits conversely 3 cu glow would break bank Monte Carlo 2 5% nitro 8% oil few dozen big-plane flights year am con cerned about fuel costs less $10 gallon other hand big-tank Kadet 40 rocking budget flies much often flights will make old-boy networkand Pappv Continued page 24 22 Model Aviation MOTOB MIIG flot tunti q.iitn intitn tiarot mew mn oini ewin nn&i, stindoin 55S inrtos ut onha bin tun. vwwi ut aneotwo poos 5 siollote cnlirtuts rito 0 n.sinronn OmY $695 U etA pemr* uosaCeno owos CaIN raalduila add sales tax tI96 139 T61 A/C LE SCHNUEALEMuffler Muffler T 61 will n litnited production durtng 1963 Swtrle ports increase fuel economy robbing power Featores include Forged Piston Con Rod hardened steel cylinder single ring double ball bearings ioneStneot cast crankcaseAvailable late spring B19 840 U-CONTROL 19 t39n 840 t49 perfect engine U-control flying Improved bypass low tension dyhes ring make 640 619 enceptional values Muffler will soon available 519 u/c available now 1161 A/C Schnuerle ported 61 provides easy starting high performance longevity FEATURES INCLUDE Sditnwt Euro odd Roost Pat Dmt 811 Rosotte Fnntd Mine Pfttor & C. Rod Rtdod Cumonlin Rod 0 noR Sod Rods Cottur 16 HP t 155CR RPM aoioltvliiitttiminrbantoorvointlro Send 100 Complete Catalog Key Chain trudovun otoattiod St ibm mono tonouwi aunt tIti eurot md deBolt writes letters crammed experimental stuff fringes oftentimes almost always works out have won argument Hal well-nigh 50 years told should use props big holes blades wouldnt laugh Ive through him strip ailer ons full-symmetrical airfoils etc flies big ger props anyone else Pylon makes work prop unloading air him George Aldrich writes Gosh Hal has forgotten want know long friendship mildly strained editor MA failed print second portion prop article faith would-be aerodynamicists compu ter engineers hordes guys tarred feathered everyone poor editor down figured world unllke wasnt ready Harold isnt theory him curiosity search better things Like Dizzy Gillespie Hal uses wildlybent trumpet interprets aerodynamics music fine dont condemn crazy horn againand some coincides much long-buried ideas new crates Hal loves racing planes big models Hes long fixation sleek Cau dron racers go big enough get required wing area fuselage reaches coast-to-coast often eye Folkers racer just differentand wouldnt mag nificent flew what would happen Im curious Wonders Hal cheat picture Zeroa bit wingy fighter fine example Japanese artistic eye lovely out llnes wing area upped other things proportion leaving fuselage alone would have sport Sport Scale use ful competition would very nice easy-to-fly sport model class wing could fudged degree per formance Zero look-alike powered soarer could P40 what ever Hal determined type answer 1/3-scale wing 1/4-scale fuselageif can find anyone agree did bet will build mad Caudron will handle easily over-scale Sig Kavalier also flying 2-Meter Sailplane rub ber power gets straight flights 1000 ft What shook him up amount rubber needed turn big Wake field prop24 strands V4 So just phoned him flipped getting about 30 ft altitude tried lower pitchand climb improved considerably power ran out like gang busters went middle now has worlds wack iest Rubber job climbs fairly well circles big prop glides like brick also busting blades Hes trying folders long discussion out old Rubber Scale days about prop block dimensions Dont ask what up Id bet 2-Meter just handy test platform Speak ing big Pylon Racing props guys write What has done lately Pylon shame Hal like ancient mariner NASA test pilot tried argue him out beef depth perception shot am school thought no real ly has lone oak tree Round Swamp Long Island embarrassed too fighter airline pilots believe Hals problem real Doc implanted some kind plastic lenses now old boy Continued page 84 24 Model Aviation COMPLETE LINE OF AMERICAN MADE ENGINES 7i7L FROM RJL IN 19831 MODEL ENGINES Made USA qualfty E4a Including Muffler OfIAbIflfY aGevice 819 840 RADIO CONTROL 819 tggm 467gm hest bet beginner Sunday flyer Improned bypass low tension dykes ring give plenty power Equipped Perry carburetor new RIL muffler MADE IN AMERICA AMERICAN TECHNOLOGY RJL Industrla ox 9654 dena CA 91107Phonw 213 359-6016 Nor Ca ACCJAC AVIONIUS ACCU ETACH LCD2R3MONITOR VOLTM ttie state K YoU get Cead DetefmIyour NiC CNARG Makes accura1ct idle thru~afge Wit safely fast chargbY topend justment batteri5 Wik pack ~ tinY gals out Se d0 Ioam5St TX/IX ba atchIn 519a h dual scale r iOOX cycle wit i tery combosage drop capabiljitthfull Charge electronics 95 ORDER YOURS NOW 7 9 Pd Send check money order no CODs NorCal AVIONICS Inc PO Box 70956 sunnyvale CA 94086 California residents add 60/o tax Add $300 shipping outside continental USA Dealer inquiries invited 0tm ctitjPccJiJ 615 So Gallatin Rd son TN 37115 615 868-6811_____ Mon thru Sat am 500 pm RTER & GIANT SCALE S IMQOELERS.RADIO SYSTEMS I-- -FUTABAand ROYAL ACCESSORIES FOR j MOST RADIOS LLIT-SAP need LLIT-SAP multiple servo LONG LEAD INTERFERENCE TRAP & SERVO ALTERNATE POWER adap tar Specify radIo ordering $2995 postage paid send large SSAE for literature Safety/Preston Continued page 16 final word frequency control Whichever ystem prefer goes saying C flying fields should have transmitter im pound impound frequency control board same structure trip impound obtain ones transmitter should prompt old memory also doing whatever necessary indicate use frequency Transmitters scattered willy-nilly throughout pit area sure-fire way leaving oneself open frequency abuse inevitable shoot-down Now can get pen paper drop line subject Which frequency control system foolproof simple popularity model diesel engines suggests word warning diesel fuel principal tngredient makes model diesel engine oper ate benefit glow plug ether volatility ether greatly exceeds methyl alcohol Treat ether diesel fuel would gasoline Dont keep basement beside furnace gas hot water heater mix own diesel fuel outside away ig nttion source Remember ether used used anesthetic back old days avoid breath ing fumes last tip comes fellow club member Lou Bruhn really suggstion makers RC equipment latest crop transmitters appear have about exhausted number whistles bells can realistically use ful making easier control set up model Lou suggests adding built-in frequency monitor transmitter person already has everything else way might work would use three-position switch instead current two-position On/Off switch Switching transmitter would become two-step affair Going Off first position would turn frequency monitor would indicate either audible tone meter whether channel clear no incoming signal present would comfortable switching third position switch would turn transmitter turn off frequency monitor Just though might further decrease num ber accidental shoot-downs Have safe month John Preston 7012 LIvira Cr Falls Church VA 22042 Fun/Winter Continued page 24 pardon Hal hes back sharper flying Im jealous cant judge height coming over fence landings up down ttrip often rough Props prove interesting Hal tells us still speaking 2-Meter rubber power Wakefield sizes provided limited climb long low flight ground effect much smaller low-pitched prop gave good climb altitude much distance Something between gave decent altitude much longer cruise altitude plus longest distancethe realistic flight same amount rubber limited cost ability wind What noticed big props continues once two-thirds winds gone better stopping prop Fold During last portion Continued page 92 84 Model Aviation SUMLI UI-1llMUISJI.3/ti UIALI b MIIUUS Send5OforcatalogN 216-499-5323 RC Kits Mfg\ . 706 Easton NE\ IL Canton OH 44721 N STEPHENS ACRO REPAIR SERVICE FOR HOBBY LOBBY EI LOGICTROL FUTABA HOBBY SHACK ROYAL LINE Fun/Winter nntinnrf oaoe 84 Complete automatic operation Erases Charges Checks Rapid charges 35 mm typically Automatically repairs shorted cells No dangerous heat build up Front panel selects up 3 different packs Unlimited battery combinations program modules user programable LEO status indicators Supplied universal EZ hook wire leads Specify Voltage Battery Packlel order program module included onal modules $225 $8900 plus $400 Shipping PA Residents add 6% seles tax Coming Soon iple pack memory erase charger municiple commercial applications write information send requirements GMS 401 complete automatic NICAI condi tioner rapid charger Never before has offered anywhere price its good its ing patented NICAD memory characteristics must dealtwith otherwise battery pack delivering could OMS 401 will automatically erase rapid charge type NICAD pack 1 10 cells CONTROL PRODUCTS UNLIMITED INC PO Box 10 Downingtown PA 19335 215-383-6395 flight slow-turning prop actually increases sink rate Basic suppose unless could reduce flying speed prop did act like brake Srull prop shape parallels find ings Gas props Author Srull acquired technical paper conclusion wide point prop should one-third out blade length outer twothirds rather pointedit works wonders Rubber Scale helps reduce drag hub tip might find some progressive airfoils interesting play latest best prop Quadra 20-12 drag reduction ideas Most guys snicker until see unload pull air surprise noise reduction Noticeably quieter air Leads believe other props ing bit air thrashing instead pulling Sound seems good gauge work props could go forever.. may shock Electric world ap pears scaling-up old sport Rubber jobs yields better performance compared virtually snub-nosed highdrag Gas Old-Timers Perhaps ultimate Electric sport Electric already splitting resplitting widely diverging configurations RC general Most newcomers putting OSs Sailplaneslike Gentle Lady Winddrifter II like son Mike Top Flite Metrick gets slip pery Others using reduction-drive iSs Scale Porterfields like Still others go Buzzards etc same 15 though new OSs can fly too Some go multi-engine 02s 035s etc especially Scale types because power thrust an& never have engine-out crisis Tiny bombs single double 02s will scream up 90 mph 4-pt rolls Really hot pilots convert Barbarian Electric advanced aerobatics ship will talk about pretty climbs like crazy though skyrocket glides beautifully Cutting right through middle everything its sensa tionaL will knock socks off Ive got drag Don Srull Substi tute Joe Charlie Ike own group wish Now older modelers will remember Ed Lidgards Sparky Rubber design Comet Ed eye beauty pro portionsone all-time greats Sparky just showed up another mag different form Sparky spans 64 has 460 sq area Leisure geared 05 turning 11-7 although 1 l-7 11-8 may better Electric guys cramming sorts multi-cell packs Seven sub-Cs favorite 05 Both Dons have stan dard factory-supplied 6 sub-C Sanyos Leisures big Playboy RC-assist FF Other points can fly well recommended charge rates periods factory-supplied chargers anything over 05 requires voltage doubler well convert car battery 12V say 28 30 want precise charge anything gives absolute maximum power overcharging need charger digital readout 1/lOOths volt digital voltmeter say Radio Shack Things still too new model forms proliferating definitive answers yet come tradeoffs between voltage weight Continued page 132 92 Model Aviation NICAD MEMORY ERASE ? Fun/Winter Continued page 92 GIANT SCALE & SPORT PLANS SETS & KITS order contains concise construction manual Partial kits include precut wing ribs fuselage formers prebent lending gear Full kits include everything above plus strip wood necessary hardware assembled landing gear cabane struts fiberglass cowl wheelpants required already hsve plan sets may deduct $1090 prices partial full kits listed below J B Special MK 4 Convertible 84 Monoplane 78 Biplane Weighs 18 lbs Low Wing Biplane 6 Parasol Plans $2195rPlans $2195 Partial Kit 58495j- Either BothPartial Kit $0405 Full Kit 518495Full Kit 519495 Travel Air 2000 105 Classic Scale Biplaire WI 231bs Plans $2295Partial Kit $9850Full Kit $19850 Travel Air 4000 99 Radial Eng Classic Biplaire 23 lbs Plans $2295Partial Kit $9995040 Kit $21400 Fokker DVII 88 German WWI Fighter Biplane 23 lbs Plans 2495 Partial Kit $10995 Full Kit $20950 Sopuvith Tripehound 80 WWI Triplane 17 lbs Plairs $2195Partial Kit $10995Full Kit $21995 Sopwith Pup 80 WWI Biplane 19-17 lbs Plans $2195 Partial Kit $9850 Full Kil $19950 WACO UPF-7 90 Biplane 23 lbsPlaits $2395 Airplanes Landing Gear 2 wire formed nirly $995 hipping Assembled ready install $1995 $150 shippitig Wheel Pants models add $51 Cabanes $995 $1 shipping Fokker Cabanes $1495 hippittg Watch dealersahelves 60 size version Quarter Mastgr Kits Pup TA 20004000 ft JB Special Dealer Inquiries Invited Prices will change after April30 Ordering information orders shipped UPS Parcel Post Please add 53 shippiirg plaits 510 kits Make checks payable Jerry BehreirsFor fastest service send Postal money order bank check Sorry no COD will accepted Seird mail orders BENRENS PLAN SERVICE 31-27 Healy Ave. Far Rockasvay NY 11691 Phone 12121 3376987 Allow 46 weeks delivery thrust wing loading etc big yellow Micaflim-covered Sparky given 7-mm charge first flight 10 minutes second Roughly half-charged No expected what happen Total shock ran quickly true track tail-dragger gear lifted off tur bulence somewhere between two minutes flight speck on-off motor shut down model glided back up long approach across wide field about 4-ft height dragged power inputs avoid stakes near narrow road landed gently plain day airplane using on-off will fly warm day no thermals though perhaps gentle lift decrease sink rate 15 20 minutes Extra-long flights soaring seem virtually unlimited lift around Obviously glorious Wakefields yes teryear wing loadings cross-section rules applied such Korda Ron Warring jobs Frank Zaics Cahills fantas tic Clodhopper will make world-beating sport 05 Electrics scaled-up 50% Sruli wants start big Gas Korda talked aboutat 6-ft span just laid down sides own original low parasol 515 squares Geared OSs now will fly Old-Timers gassies areas up 720 sq lightweight Astro Flight has motors up 40s So-called Schoolyard Scale models dont columnists discover Gas Schoolyard needs no apolo gies will fly beautifully 02s 035s former ideal 02 gassies Dont compare Gas Electric latter new entirely different challenge love Gas floaters Old-Timers also great thrill see Electric bore heavens shut down float ready start up whenever wish Think about Wakefields Sparky right out believe-it-or-not Edi toT Srulls scaled-up Electric Sparky will future MA construction presentation Loose ends Talking about Pilot Aero Sport 19 job fly OS Schnuerle 25 observed crates seem call something equally good mid-range 25 40 power latter being just too big World Engines asks considered newly-announced OS FSR 28 bored-out 25 FSR same physical dimensions 25 FSR case available both airplane Helicopter ver sions new OS 25 FSR ABC Scotty World also notes complete ly redesigned 30 WankeL Improved metal lurgy cooling gain increased durability fewer repairs elimination old aluminum cooling shroud Scotty thinks three answer hotter 30 help bridge gap between hot 25s toobulky 40s aircraft now market People ask about recent discussion desired anti-tip-stall washout did think Pattern people would confused Some P0 Box 3957 Torrance CA 90510 Washout Pattern machine will give varia tions right-side up inverted such plots always hope maintaln adequate air speed anyway hacking around washout life insurance Cliff McBaine builds museum models must take issue Don Miller indicating use Gottingen 387 Vega Fokker Ford Trimotors MA January 1983 page 18 well docu mented gas Clark Y18 root Clark Y95 wing tip Fokker unique Fokker airfoil Ref US Civil Aircraft VoL 1 Joseph P Jupt ner According Juptner VoL 2 3 US Civil Aircraft Ford Trim otor used Gottingen 386 387 ve able locate 386 extensive file airfoll data Juptner could wrong case. or Except Vega file copy Janes Worlds Aircraft does list airfoils Vegas given modified Clark Y Also Millers long letter longhand extractions possible could have missed word such like cannot file old papers repose cartons dont question McBaines facts THE Final Word Scale Staffel Newslet ter wonderful world foam fiberglass ready-to-fly models aerody namics becoming lost art pity because aerodynamics has very INSTRU MENTAL making airplanes fly Which have terms like PIANO wire elevator HORN BELL crank wing CHORD SCALE effect mention too Take air foils would Flat plates OK have limitations gravy keeps running off edge famous men have contributed aerodynamics Bruce Bulk head inventor fuselage created hold wing tall apart wondering what call space between wing tail French chef Armand shouted dinner ready Just moment Arm replied very important contribution made Willie Flapdoodle never wor ried about plane balanced just put CG little box moved around during first few flights found right position glued place very useful CG happens outside structure stops slip stream blowing away on.. Enough already Bill Winter 4426 Altura Ct Fairfax VA 22030 AMA Building/Mankowski Continued paqe 28 names will appear Gold Mem bers Scroll Academy Leaders James S Adams Aero Bats Show Team Aero RC Syracuse Herb GET ORGANIZED s vet vi 4 sturdy ties Ihat Stids over 4 years yvur lavarte 9t t magazines 4 MAG FILES $495 Send $485 pIus 5100 mr ptstage handling DOM INDUSTRIES PO BOX 388-K DOVER NH 03820 132 ModeL Aviation JO peciai Model Magic Products Introduces Model Magic Filler Balsa & Foam Crack Ding Dent & Gap Filler Quick setting 15 mis ndng joo size Sands exactly ike balsa ano loam Water resistant set filletotool No mix ng Lightweig5t Odorless Non-Toxic Shrink-proot Cracs-free Compatible model paicts & cover ngs $595vAdd $100 UPS StIuld ounceAdd $250 UPS& COD Model Magic Products Box 7784 St Pool MN 55119 Dealer Inquiries nailedMinn Res Add 6% 21 Old Time Gas flU 12 HL Gliders 11 Contest Rubber eno 50 for 4 Satellite Kits 82183 catalog 3 Nastalgia Power Pacifiers ft LOTS OF GOOD STUFF FAI Model Supply
Edition: Model Aviation - 1983/05
Page Numbers: 18, 19, 20, 22, 24, 84, 92, 132
CLOSE ASSOCIATION models real planes really turns likely photo real plane scrutinized avidly model project never build Stories behind real planes unearthed Rubber-Scale builders Arabian Nights People turned pictures column dont expect ever hear last Piper Vagabond especially after Jim Jenkins EAA champion sharp modeler boot featured re cent issue would never guess secondmost talked about aircraftthe Martin 130 four-engined China Clipper Thirties able show chaps Clipper four 02 electric motors another nifty biggie using four OS 10s Stories beget stories lets meet Dave Bridgeswho wants build Bud Chappells gassie 130 Editor model will construction feature upcoming issue am retired captain Pan Am Dave Bridges writes have making model airplanes off past 50 years am very much impressed Bud Chappells M-130 China Clipper MAN March 1982 article MA January 1983 would like buy plans Bud build 130 also think Ken Willard itching fly flew Pan Am 1944 until 1981 Dave goes just missed Martin made trips San Francisco Hon olulu back Boeing 314 flying boat 314 bit faster M-130 18 hours versus 22 hours M-130 Boeing 747 does now 4% hours might interested bit history about M-130 designed Pan Am three built Hawaiian Clipper Philippine Clipper China Clipper based Alameda Airport California airport used now right middle Alameda Naval Station about mile inland bay Later Treasure Island built Pan Am moved base Hawaiian Clipper disappeared trace between Guam Philippines Philippine Clipper crashed near Clear Lake CA inbound Honolulu flight bad weather way no celestial fixes positions flight crew aware flying jet stream unknown days arrived about three hours early theory Captain saw lights ground attempt ed turn around fly back sea strong winds blew mountain near Clear Lake China Clipper replaced Boeing 314 sent down Carib bean met its demise Compared planes today Bridges recalls M-1 30 slow stiff con trols bit uncomfortable times no smoking board due fuel leaks part glamor now no smoking ecology check out plane find too glamorizing resist youll richly rewarded Its rather like finding trunk attic pictures forgotten ancestors Lee Renaud now have read about passing Lee Renaud Airtronics May say word about friendship early Six ties inked two plans MAN fact didnt note until long time later Lee must have needed pocket money like rest us times Still later blossomed out full-page ads RCM perhaps fea turing some great Sailplanes Daring thought crossing fingers concern went became part Cox empire itself later part Leisure Dynamics em pire lately reacquired Airtronics After own 12-year hiatus Lee sent Cox-Sanwa time its servos could stand looking later system arrived instead old serviced Lee just said deserved flew modern Airtronics stuff too wonders other folks Lee saw over rought spots point story hobby lasting friends makes ridiculous us unload anyone 18 Model Aviation U lust fun Bill Winter Variety spice lifethe theme Bostonians John Oldenkamp Theyre published soon perhaps already Model Airplane News Yes need magazines look youll see Top Right shoulder-wing motif Bellanca type lifting fuselage saucy John backing RC Bill Winter pleads him extend FF genius RC go bananas John shook fun-fly troops selecting Falconbut allows three nifties picture could adapted RC think wing decorations see five 2sor five Zs sleep Electric will knock socks off says Winter has seen fly Its Don Srulls en larged Sparky Original rubber-powered designed Ed Lidgardput out kit Comet Models years ago SruIl enlarged 64-in span 460 squares geared Leisure 05 6-cell pack Sanyo sub-Cs 11-7 prop almost out sight its first test hop half charge Winter thinks enlarged rubber jobs yesteryear great Electric sport flying construction article Srulls Electric Sparky way miffed over rules club matter kind models someone builds good anyone does lives after him Thank Lee Someday goldarnit will write column planned things people keep blowing out water go ape over club newsletters some look forward magazines magazines read things drive bananas old-boy grapevine international net work black-magic guys doing strange wonderful things Like prewar Chinese airwarning system signaling hilltop hill top Chinese could alert inland target good hour before Japanese bomb ers could get As newsletters FACs thick full crazy fun sorts R&D plans worlds strangest airplanes out remote past guys think nothing flying Handley-Page biplane transports Vick ers Vulcan ugly British torpedo planes early 20s Huge crazy-angled crates com plete ladders side pilot could climb up lofty cockpitas cleaning gutters goes forever think editors chew funny mushrooms Magazines Lets just take unending statements must never build biggie weighs 12 pounds per cubic inch displacement glow kaput kick cat despair anyone can ignore wing loading beyond 12-lb rule thumb does FROM-MODEL AIRPLANE NEWS_________________ FEBRUARY 1949 NOTE ENTIRE MODEL 31/8 FROM 3WIDE BALSA SHEET DESIGNED BY Bill Winter ERsa/W-a PROP BLOCKl X2XIO RUGGED SIMPLE AIRPLANE DESIGNED FOR SPEED III 1~ -- II 1/32 SHE 2HARDWOOD WHEELS - HJCI WING SECTION 4 TIMES1/16 SHEET Busted needing new batteries original RC Special Bill Walt Schroder planned drew flew quickie rubber-powered model day early 1948 late Howard McEntee helped get RC job going few days later does steep 180-deg turn hand-launch flies bee line Tremendous rubber motor length high power well different wasnt real competition speedster though drawing says speed model Thank Bill Gough sent print Bill Winter Christmas card Gough said flew great Winter says Gough must have able adjust original dedicated proposition straight line shortest distance between two points suit crates wrong ex ceptions crate classic lightplane like Robin Moth Did real plane have flaps fighter no-holdsbarred aerobatic machine example Haff kes rotund Gee Bee recently published MA fits ruleit also glow 90-powered Hafike has published Gee Bee good flies over 60 oz per sq ft wing loading other hand nothing wrong 18-lb Vagabond 0S 90 9/lOths 12 pounds would weigh less 11 lb can pardon mentioning 10-ft 4-in Aristocrat again 28 pounds 132 cu displacement Tartan am mortal sinner because supposed weigh 12-lb rule thumb 16 pounds would no-wind floater flies majestically 1929-30 classic should May1983 19 cant believe well-named Ugly Stik widely-loved airplane consider un known builders tail feathers decorations Thanks H Thomas picture John Oldenkamp oldies Farman Moustiques keep popping upfrom Bill Hannans favorite Peanut big RC crates offered plans firms Johns skeleton lower left 36-in Jumbo Rubber Scale job Pre-historic Farman Bipe flying before Fun columnist born too available big-plane plans Johns upper left 13-in-span Peanut Simple acres area bipe gives slow flight kind model piece de resistance Oldenkamps 23-in-span rendition Borel Hydroplane right Note undercamber reflection know weighty rollout momentumalso realistic Compare similar Stinsons etc mush along 2 cu displacement weigh average 22 25 pounds OK 12-lb rule Dont believe could take 3 cu Stinson sublime configuration good come real carried four people whereas Aristocrat carried threeand Stinson flaps olden days speed ranges often miserablethe top speeds relative stall landing speeds have lots wing area old days relatively tow powerto land easily small runwayless aerodromes farm field drop water conked out OX-S carb take off Flaps quantum leap Wing area reduced drastically better cruise means much higher wing loadings big model same general type need shoot 12-lb figure per cu Since sluggish performance persists Catch 22 situation Speed range better because flaps maintained fairly comparable landing speeds An 18- 20-lb 24-26 Stinson 2 cu would compare Aristocrat 28 lb 132 cu glow come Well spans roughly equal Aristocrat older vintage scales 18-in chord Stinson 11 9-ft plane forgetting loss due cabin width translates 4/2 sq ft difference wing areas between what looks like two similar-type planes dif ference wing loadings stupendousyes build Stinson lightweight can get use still power Flaps just fun stuff must play precisely Stinson et al want top results Consider Doc Brookes magnificent import ed kits high-priced worth huge Tiger Moth floats like feather Fantastic Sure ifs bipe ones have watched just superb weigh 30-32 lb fly majestically 2 cu old-model Quadra capable lifelike loops rolls glorious dead-stick forced landings weight 3 cu would make P-12 Yet tell us dont build over 24 lb abide 12-lb per cu thing 24 lb under rule youd almost have fly Tiger Moth like Indoor models Heavy spark-ignition engines mainstream Scale lend balance know twin-engined Kawasaki job made much Con tinued page 22 20 Model Aviation Surprise John Maloney Since manufacturers ardent modelers sneak camera detected hard work Left John tries full-throttle before takeoff Robin 1000 Brad Butler hangs gosh John dragged out Old-Timer right maybe lost its papers Brad restrains its roaring power mere finger hold Photog took Fifth no bottle silly Joe l-itzgibben 0 tiolden ge Heproductions tadoress vu uox ti uraintree MA iw guys want write him about old kit plans etc shows off rubber-powered Pacific Ace Flying Aces Club logo magazine name decal furnished Joe mem bers FAC Photo Tom Schmitt taken Durham Ctr CT contest October 1982 MEl Iii 1I1 IdilIlly ren flUUUUd gets ready fly laurn Bob Winters favorite years-old Mach 1 mu i anything wont Editorial research reveals guy started has o grand kids six greats solemnly swears wont inflict us picture tremendous mob Discriminate Scale Fliers Demand Dave Platti m perfectionist. kits prove reputation finest models RC scale has founded upon careful attention detail period over twenty years fact Im particular about kits theyre available personally make kit sign hold myself responsible reproductions genuine Dave Plast kit guarantee true outline combined force arrangement flies properly THE ULTIMA legendary beauty efficiency Spitfire 1/5 scale Accurate last subtle curve Magnificient indeed lust sitting simply awe inspiring flight Powered 90 120 glo engine bra Masimizerl ultimate Spitfire will provide intense experience sophisticated R/G modeler Span 88 Length 76 Weight 15-20 lbs ii BkckerJungmeister regular direct drive engines 60 90 65 span 1/4 scalel ace aerobatic biplane time Still fits car $139 j 3rand bold flies great staying easily transportable 1/5 scalel 79 span over 1000 sq ins 90 engines $179 New 1/4 Scale Pilot$139 Supplied unpaint ed comes in-Available /5 1/6 scale World Retracting struction booklet 3UWar II Fighter Pilots full Landing Gear Now Strengthened tor figure$15heavier ships ___Complete system St 39 HOW TO ORDERDireci Irom manulacturer no markupi Write call .we accept check money order Master Charge Visa cards pay UPS anywhere USA Florida residents add 4% sales tas Yes accept loreigo orders pay freight information model send sell addressed envelopem nave Dlatt ivuodels inc ___ 6940 NW 15th Street Plantation Florida 33313 Phone 305 587-4861 ,lfiord ii 5 ohe cooms Wingspan 56 Channels 2-3 Wing Area 690 sq Engine19-35 iopper complete 1/6 scale H/C model kit designed assemblelook fly like famous WeedhopperTM Model-C Ultralight AIRCRAFT parg aluminum structure pre-bens drilled nylon rip-slop coverings pre-sewn1/6 Scale $16995 Available choice four colors hobby shop now1/3 Scale $26995 Other ultralights available soon carlberg companies product 8170 WEST PENN AVE ROSEVILLE 1161473 PHONE 309/426-2161 news 14 lb ballast wasnt enough Some inexpensive reliableI have Quadra would never knock point individuals perception econ omy etc ignition takes preference glow well spark suits own crates Some Stinsons like cant hold altitude less full throttle some legit size ignition engines yet glow farheavier Aristocrat can make gentle Figure 8s near idleon 132 cu glow nothing Its just sug gested 12-lb bit ignition better some big crates according typebut something haywire everything contrary universally cen sored cant read anywhere Al Alman until recently director now advisor IMAAthe big-plane associationhas head screwed right practical guy digs philosophy Electric winch game talks diesels Davis heads Al has great results Davis-head Fox Eagle II turning real club prop glow engine lends itself diesalization remarkable facility chat about things RC though course love big airplanes agree planes requiring field repairs major components should flown again dayand very good reason have go along Don G 12lb per cu limit Al begins Without such reasonable guidelines too guys will doing real crazy stuff absolute means experience has proven 12-lb fsgure very practical limit power loading wing loading must also consideredand usually exceeding 12 lb per cu results excessively high wing loading think wide speed enve lope low stall speed envelope almost good romance seems Al continues glow-type engine per cubic inch will outpower gaso line-burner Auther 132 cu glow turns Top Flite 18-6 up 7000-7100 rpm roughly comparable old-model 2 cu Quadra less weight plus favorable wing loading Aris tocrat results good-flying bird what appears radically minimum power Also hot-rod type fly Aristo like should flown Its Cap 20 like its flown way analyze what both say will find really agree fly two classics no flaps hence area Aristo does Scale Procedure positive speed preciseness Naturally no vertical maneuvers involved did roll stunt real aircraft RC want good vertical performance better off power less weight loggy crate does terrible Stall Turns Wingovers piloting actually far difficult aerobaticsdont kid yourselfyou must ftrst well-grounded pilot Really want see end business hiding glow closet fits well within limits conversely 3 cu glow would break bank Monte Carlo 2 5% nitro 8% oil few dozen big-plane flights year am con cerned about fuel costs less $10 gallon other hand big-tank Kadet 40 rocking budget flies much often flights will make old-boy networkand Pappv Continued page 24 22 Model Aviation MOTOB MIIG flot tunti q.iitn intitn tiarot mew mn oini ewin nn&i, stindoin 55S inrtos ut onha bin tun. vwwi ut aneotwo poos 5 siollote cnlirtuts rito 0 n.sinronn OmY $695 U etA pemr* uosaCeno owos CaIN raalduila add sales tax tI96 139 T61 A/C LE SCHNUEALEMuffler Muffler T 61 will n litnited production durtng 1963 Swtrle ports increase fuel economy robbing power Featores include Forged Piston Con Rod hardened steel cylinder single ring double ball bearings ioneStneot cast crankcaseAvailable late spring B19 840 U-CONTROL 19 t39n 840 t49 perfect engine U-control flying Improved bypass low tension dyhes ring make 640 619 enceptional values Muffler will soon available 519 u/c available now 1161 A/C Schnuerle ported 61 provides easy starting high performance longevity FEATURES INCLUDE Sditnwt Euro odd Roost Pat Dmt 811 Rosotte Fnntd Mine Pfttor & C. Rod Rtdod Cumonlin Rod 0 noR Sod Rods Cottur 16 HP t 155CR RPM aoioltvliiitttiminrbantoorvointlro Send 100 Complete Catalog Key Chain trudovun otoattiod St ibm mono tonouwi aunt tIti eurot md deBolt writes letters crammed experimental stuff fringes oftentimes almost always works out have won argument Hal well-nigh 50 years told should use props big holes blades wouldnt laugh Ive through him strip ailer ons full-symmetrical airfoils etc flies big ger props anyone else Pylon makes work prop unloading air him George Aldrich writes Gosh Hal has forgotten want know long friendship mildly strained editor MA failed print second portion prop article faith would-be aerodynamicists compu ter engineers hordes guys tarred feathered everyone poor editor down figured world unllke wasnt ready Harold isnt theory him curiosity search better things Like Dizzy Gillespie Hal uses wildlybent trumpet interprets aerodynamics music fine dont condemn crazy horn againand some coincides much long-buried ideas new crates Hal loves racing planes big models Hes long fixation sleek Cau dron racers go big enough get required wing area fuselage reaches coast-to-coast often eye Folkers racer just differentand wouldnt mag nificent flew what would happen Im curious Wonders Hal cheat picture Zeroa bit wingy fighter fine example Japanese artistic eye lovely out llnes wing area upped other things proportion leaving fuselage alone would have sport Sport Scale use ful competition would very nice easy-to-fly sport model class wing could fudged degree per formance Zero look-alike powered soarer could P40 what ever Hal determined type answer 1/3-scale wing 1/4-scale fuselageif can find anyone agree did bet will build mad Caudron will handle easily over-scale Sig Kavalier also flying 2-Meter Sailplane rub ber power gets straight flights 1000 ft What shook him up amount rubber needed turn big Wake field prop24 strands V4 So just phoned him flipped getting about 30 ft altitude tried lower pitchand climb improved considerably power ran out like gang busters went middle now has worlds wack iest Rubber job climbs fairly well circles big prop glides like brick also busting blades Hes trying folders long discussion out old Rubber Scale days about prop block dimensions Dont ask what up Id bet 2-Meter just handy test platform Speak ing big Pylon Racing props guys write What has done lately Pylon shame Hal like ancient mariner NASA test pilot tried argue him out beef depth perception shot am school thought no real ly has lone oak tree Round Swamp Long Island embarrassed too fighter airline pilots believe Hals problem real Doc implanted some kind plastic lenses now old boy Continued page 84 24 Model Aviation COMPLETE LINE OF AMERICAN MADE ENGINES 7i7L FROM RJL IN 19831 MODEL ENGINES Made USA qualfty E4a Including Muffler OfIAbIflfY aGevice 819 840 RADIO CONTROL 819 tggm 467gm hest bet beginner Sunday flyer Improned bypass low tension dykes ring give plenty power Equipped Perry carburetor new RIL muffler MADE IN AMERICA AMERICAN TECHNOLOGY RJL Industrla ox 9654 dena CA 91107Phonw 213 359-6016 Nor Ca ACCJAC AVIONIUS ACCU ETACH LCD2R3MONITOR VOLTM ttie state K YoU get Cead DetefmIyour NiC CNARG Makes accura1ct idle thru~afge Wit safely fast chargbY topend justment batteri5 Wik pack ~ tinY gals out Se d0 Ioam5St TX/IX ba atchIn 519a h dual scale r iOOX cycle wit i tery combosage drop capabiljitthfull Charge electronics 95 ORDER YOURS NOW 7 9 Pd Send check money order no CODs NorCal AVIONICS Inc PO Box 70956 sunnyvale CA 94086 California residents add 60/o tax Add $300 shipping outside continental USA Dealer inquiries invited 0tm ctitjPccJiJ 615 So Gallatin Rd son TN 37115 615 868-6811_____ Mon thru Sat am 500 pm RTER & GIANT SCALE S IMQOELERS.RADIO SYSTEMS I-- -FUTABAand ROYAL ACCESSORIES FOR j MOST RADIOS LLIT-SAP need LLIT-SAP multiple servo LONG LEAD INTERFERENCE TRAP & SERVO ALTERNATE POWER adap tar Specify radIo ordering $2995 postage paid send large SSAE for literature Safety/Preston Continued page 16 final word frequency control Whichever ystem prefer goes saying C flying fields should have transmitter im pound impound frequency control board same structure trip impound obtain ones transmitter should prompt old memory also doing whatever necessary indicate use frequency Transmitters scattered willy-nilly throughout pit area sure-fire way leaving oneself open frequency abuse inevitable shoot-down Now can get pen paper drop line subject Which frequency control system foolproof simple popularity model diesel engines suggests word warning diesel fuel principal tngredient makes model diesel engine oper ate benefit glow plug ether volatility ether greatly exceeds methyl alcohol Treat ether diesel fuel would gasoline Dont keep basement beside furnace gas hot water heater mix own diesel fuel outside away ig nttion source Remember ether used used anesthetic back old days avoid breath ing fumes last tip comes fellow club member Lou Bruhn really suggstion makers RC equipment latest crop transmitters appear have about exhausted number whistles bells can realistically use ful making easier control set up model Lou suggests adding built-in frequency monitor transmitter person already has everything else way might work would use three-position switch instead current two-position On/Off switch Switching transmitter would become two-step affair Going Off first position would turn frequency monitor would indicate either audible tone meter whether channel clear no incoming signal present would comfortable switching third position switch would turn transmitter turn off frequency monitor Just though might further decrease num ber accidental shoot-downs Have safe month John Preston 7012 LIvira Cr Falls Church VA 22042 Fun/Winter Continued page 24 pardon Hal hes back sharper flying Im jealous cant judge height coming over fence landings up down ttrip often rough Props prove interesting Hal tells us still speaking 2-Meter rubber power Wakefield sizes provided limited climb long low flight ground effect much smaller low-pitched prop gave good climb altitude much distance Something between gave decent altitude much longer cruise altitude plus longest distancethe realistic flight same amount rubber limited cost ability wind What noticed big props continues once two-thirds winds gone better stopping prop Fold During last portion Continued page 92 84 Model Aviation SUMLI UI-1llMUISJI.3/ti UIALI b MIIUUS Send5OforcatalogN 216-499-5323 RC Kits Mfg\ . 706 Easton NE\ IL Canton OH 44721 N STEPHENS ACRO REPAIR SERVICE FOR HOBBY LOBBY EI LOGICTROL FUTABA HOBBY SHACK ROYAL LINE Fun/Winter nntinnrf oaoe 84 Complete automatic operation Erases Charges Checks Rapid charges 35 mm typically Automatically repairs shorted cells No dangerous heat build up Front panel selects up 3 different packs Unlimited battery combinations program modules user programable LEO status indicators Supplied universal EZ hook wire leads Specify Voltage Battery Packlel order program module included onal modules $225 $8900 plus $400 Shipping PA Residents add 6% seles tax Coming Soon iple pack memory erase charger municiple commercial applications write information send requirements GMS 401 complete automatic NICAI condi tioner rapid charger Never before has offered anywhere price its good its ing patented NICAD memory characteristics must dealtwith otherwise battery pack delivering could OMS 401 will automatically erase rapid charge type NICAD pack 1 10 cells CONTROL PRODUCTS UNLIMITED INC PO Box 10 Downingtown PA 19335 215-383-6395 flight slow-turning prop actually increases sink rate Basic suppose unless could reduce flying speed prop did act like brake Srull prop shape parallels find ings Gas props Author Srull acquired technical paper conclusion wide point prop should one-third out blade length outer twothirds rather pointedit works wonders Rubber Scale helps reduce drag hub tip might find some progressive airfoils interesting play latest best prop Quadra 20-12 drag reduction ideas Most guys snicker until see unload pull air surprise noise reduction Noticeably quieter air Leads believe other props ing bit air thrashing instead pulling Sound seems good gauge work props could go forever.. may shock Electric world ap pears scaling-up old sport Rubber jobs yields better performance compared virtually snub-nosed highdrag Gas Old-Timers Perhaps ultimate Electric sport Electric already splitting resplitting widely diverging configurations RC general Most newcomers putting OSs Sailplaneslike Gentle Lady Winddrifter II like son Mike Top Flite Metrick gets slip pery Others using reduction-drive iSs Scale Porterfields like Still others go Buzzards etc same 15 though new OSs can fly too Some go multi-engine 02s 035s etc especially Scale types because power thrust an& never have engine-out crisis Tiny bombs single double 02s will scream up 90 mph 4-pt rolls Really hot pilots convert Barbarian Electric advanced aerobatics ship will talk about pretty climbs like crazy though skyrocket glides beautifully Cutting right through middle everything its sensa tionaL will knock socks off Ive got drag Don Srull Substi tute Joe Charlie Ike own group wish Now older modelers will remember Ed Lidgards Sparky Rubber design Comet Ed eye beauty pro portionsone all-time greats Sparky just showed up another mag different form Sparky spans 64 has 460 sq area Leisure geared 05 turning 11-7 although 1 l-7 11-8 may better Electric guys cramming sorts multi-cell packs Seven sub-Cs favorite 05 Both Dons have stan dard factory-supplied 6 sub-C Sanyos Leisures big Playboy RC-assist FF Other points can fly well recommended charge rates periods factory-supplied chargers anything over 05 requires voltage doubler well convert car battery 12V say 28 30 want precise charge anything gives absolute maximum power overcharging need charger digital readout 1/lOOths volt digital voltmeter say Radio Shack Things still too new model forms proliferating definitive answers yet come tradeoffs between voltage weight Continued page 132 92 Model Aviation NICAD MEMORY ERASE ? Fun/Winter Continued page 92 GIANT SCALE & SPORT PLANS SETS & KITS order contains concise construction manual Partial kits include precut wing ribs fuselage formers prebent lending gear Full kits include everything above plus strip wood necessary hardware assembled landing gear cabane struts fiberglass cowl wheelpants required already hsve plan sets may deduct $1090 prices partial full kits listed below J B Special MK 4 Convertible 84 Monoplane 78 Biplane Weighs 18 lbs Low Wing Biplane 6 Parasol Plans $2195rPlans $2195 Partial Kit 58495j- Either BothPartial Kit $0405 Full Kit 518495Full Kit 519495 Travel Air 2000 105 Classic Scale Biplaire WI 231bs Plans $2295Partial Kit $9850Full Kit $19850 Travel Air 4000 99 Radial Eng Classic Biplaire 23 lbs Plans $2295Partial Kit $9995040 Kit $21400 Fokker DVII 88 German WWI Fighter Biplane 23 lbs Plans 2495 Partial Kit $10995 Full Kit $20950 Sopuvith Tripehound 80 WWI Triplane 17 lbs Plairs $2195Partial Kit $10995Full Kit $21995 Sopwith Pup 80 WWI Biplane 19-17 lbs Plans $2195 Partial Kit $9850 Full Kil $19950 WACO UPF-7 90 Biplane 23 lbsPlaits $2395 Airplanes Landing Gear 2 wire formed nirly $995 hipping Assembled ready install $1995 $150 shippitig Wheel Pants models add $51 Cabanes $995 $1 shipping Fokker Cabanes $1495 hippittg Watch dealersahelves 60 size version Quarter Mastgr Kits Pup TA 20004000 ft JB Special Dealer Inquiries Invited Prices will change after April30 Ordering information orders shipped UPS Parcel Post Please add 53 shippiirg plaits 510 kits Make checks payable Jerry BehreirsFor fastest service send Postal money order bank check Sorry no COD will accepted Seird mail orders BENRENS PLAN SERVICE 31-27 Healy Ave. Far Rockasvay NY 11691 Phone 12121 3376987 Allow 46 weeks delivery thrust wing loading etc big yellow Micaflim-covered Sparky given 7-mm charge first flight 10 minutes second Roughly half-charged No expected what happen Total shock ran quickly true track tail-dragger gear lifted off tur bulence somewhere between two minutes flight speck on-off motor shut down model glided back up long approach across wide field about 4-ft height dragged power inputs avoid stakes near narrow road landed gently plain day airplane using on-off will fly warm day no thermals though perhaps gentle lift decrease sink rate 15 20 minutes Extra-long flights soaring seem virtually unlimited lift around Obviously glorious Wakefields yes teryear wing loadings cross-section rules applied such Korda Ron Warring jobs Frank Zaics Cahills fantas tic Clodhopper will make world-beating sport 05 Electrics scaled-up 50% Sruli wants start big Gas Korda talked aboutat 6-ft span just laid down sides own original low parasol 515 squares Geared OSs now will fly Old-Timers gassies areas up 720 sq lightweight Astro Flight has motors up 40s So-called Schoolyard Scale models dont columnists discover Gas Schoolyard needs no apolo gies will fly beautifully 02s 035s former ideal 02 gassies Dont compare Gas Electric latter new entirely different challenge love Gas floaters Old-Timers also great thrill see Electric bore heavens shut down float ready start up whenever wish Think about Wakefields Sparky right out believe-it-or-not Edi toT Srulls scaled-up Electric Sparky will future MA construction presentation Loose ends Talking about Pilot Aero Sport 19 job fly OS Schnuerle 25 observed crates seem call something equally good mid-range 25 40 power latter being just too big World Engines asks considered newly-announced OS FSR 28 bored-out 25 FSR same physical dimensions 25 FSR case available both airplane Helicopter ver sions new OS 25 FSR ABC Scotty World also notes complete ly redesigned 30 WankeL Improved metal lurgy cooling gain increased durability fewer repairs elimination old aluminum cooling shroud Scotty thinks three answer hotter 30 help bridge gap between hot 25s toobulky 40s aircraft now market People ask about recent discussion desired anti-tip-stall washout did think Pattern people would confused Some P0 Box 3957 Torrance CA 90510 Washout Pattern machine will give varia tions right-side up inverted such plots always hope maintaln adequate air speed anyway hacking around washout life insurance Cliff McBaine builds museum models must take issue Don Miller indicating use Gottingen 387 Vega Fokker Ford Trimotors MA January 1983 page 18 well docu mented gas Clark Y18 root Clark Y95 wing tip Fokker unique Fokker airfoil Ref US Civil Aircraft VoL 1 Joseph P Jupt ner According Juptner VoL 2 3 US Civil Aircraft Ford Trim otor used Gottingen 386 387 ve able locate 386 extensive file airfoll data Juptner could wrong case. or Except Vega file copy Janes Worlds Aircraft does list airfoils Vegas given modified Clark Y Also Millers long letter longhand extractions possible could have missed word such like cannot file old papers repose cartons dont question McBaines facts THE Final Word Scale Staffel Newslet ter wonderful world foam fiberglass ready-to-fly models aerody namics becoming lost art pity because aerodynamics has very INSTRU MENTAL making airplanes fly Which have terms like PIANO wire elevator HORN BELL crank wing CHORD SCALE effect mention too Take air foils would Flat plates OK have limitations gravy keeps running off edge famous men have contributed aerodynamics Bruce Bulk head inventor fuselage created hold wing tall apart wondering what call space between wing tail French chef Armand shouted dinner ready Just moment Arm replied very important contribution made Willie Flapdoodle never wor ried about plane balanced just put CG little box moved around during first few flights found right position glued place very useful CG happens outside structure stops slip stream blowing away on.. Enough already Bill Winter 4426 Altura Ct Fairfax VA 22030 AMA Building/Mankowski Continued paqe 28 names will appear Gold Mem bers Scroll Academy Leaders James S Adams Aero Bats Show Team Aero RC Syracuse Herb GET ORGANIZED s vet vi 4 sturdy ties Ihat Stids over 4 years yvur lavarte 9t t magazines 4 MAG FILES $495 Send $485 pIus 5100 mr ptstage handling DOM INDUSTRIES PO BOX 388-K DOVER NH 03820 132 ModeL Aviation JO peciai Model Magic Products Introduces Model Magic Filler Balsa & Foam Crack Ding Dent & Gap Filler Quick setting 15 mis ndng joo size Sands exactly ike balsa ano loam Water resistant set filletotool No mix ng Lightweig5t Odorless Non-Toxic Shrink-proot Cracs-free Compatible model paicts & cover ngs $595vAdd $100 UPS StIuld ounceAdd $250 UPS& COD Model Magic Products Box 7784 St Pool MN 55119 Dealer Inquiries nailedMinn Res Add 6% 21 Old Time Gas flU 12 HL Gliders 11 Contest Rubber eno 50 for 4 Satellite Kits 82183 catalog 3 Nastalgia Power Pacifiers ft LOTS OF GOOD STUFF FAI Model Supply