NO OCR TEXT NO OCR TEXT bottom can see landing gear installation radiator Reduction-belt-drive MaIro 15 provides plenty power carved foam Main wheels 2h-in-dia Robart firewall cooling air exits cockpit Futaba S-20 servo mounts wing center section Hardwood dowels trailing edge provide reinforcement hold-downs Electric Id fooling around Kraft Chipmunk very impressed silence smooth ness control flew greater urge became build something larger power little reluctant beginning tackle such Electric model after reading about success SruIls Spit fire threw caution wind Wing saddle ot 1/32 ply makes good platform mounting wing ana Deels-up ui lage Note wing hold-down points rear platform Holes alongside radio com partment give access wood screws holding servo platform rails close look will reveal dropping resistor three-position switch mounted bottom servo tray 32 Model Aviation Exhaust stacks made scrap soft balsa painted tias blacK Panel lines add realism very little weight penalty Tail wheel 1-in Robart mounted fuselage fairing Attachment rudder cable makes steerable See details plan -yijw OMEMIA~JA1 Q4JT GRASS VA IIUI19 TS NOWAYI THATLL N HIS -ITS CHUCKVOW SUREEN READIN JUSTASMIH NOTHING NEXT T END UPINAMUSEUM ALTLIHIDE WHAT BRINGS WV TUR tRIPs N MA lOCK E4DIN THEM SNAPPf MAR NE LIKE T BIJ LOER AWAY'vHERE U5 ARE NUTS JRFUNEs UJ TURN OUTALl HE FL ES NOW 15 T WVURO ITRSESf-IIEYCNIXK ON THESPA11 CANS WITH /-AND ijLEVEL-IS NKSHEELS TOCRAT -FL AT DULLES--HANKSEZ BY ALL MIANS vsritJ BALSA FIN BASE BLOCKS 5/16 X 3/8 LE STABILIZER FIVE LAMINATIONS 1/16 X /4 BALSA FIN AND RUDDER ONLY I/8x /2 BALSA RIBS 1/4 X 1/2BALSA FIN AND RUDDER POSTS 3/8 BALSA T EDGE 1PED SPRAED FRAMES HEAT PASSAGE HCLE040 BUlYRATEVii AILERON SERvo IN WING j76~ 7 N / 0 3 DUBRO SPINNER C, GEARED ASTROI5 ELECTRIC MOTOR ca C COOLING AIRMOTORFl I/B LITE-PLY INLET PORTMCflJNT SLEEFIREWALL DOUBLED TO 3/16 BALSA / I/16PLY I3/I6CY*EL DIHEDRAL/~ V8 BALSA IWINGI BRACES~4\ SHEETBETWEENMOUNT/VI6 I/8SO STRINGERS/ TO F4I/I6PLWiOODSAflCtE L MWIRE L GEAR 3/8X 3/4MAPLE BWCK- ROBART 3 I/4WNEELS 1/16 RODS ALUM lUBE IN MAST 3/32 BALSA WEBS PLASTIC OR PlY RIRtIG 2-56 SCREWS tJlO ALUM TABS 1 DOUBLED SPRUCE BOTTOM SPAR TO RIB B/ DOUBLED -fop I/4X 5/8 BALSA LEAIMNG EDGE X 1/2 BALSA SRS FOR S1B 3/8 STOCK VENTRAL FAIRING 1TAILWHEELCtJ LI6 WIRE 10 DUBRO COLLARS AND STEER FROM RUDDER 3/I6 SO BALSA DOUBLED FOR FOUR KEELS SAND FORMERSI/B BALSA SHEET FORMERS F-7 10 F-b BETWEEN STRINGERS V8 SHEET FAIRING BACK UP WING MOUNT BWCKS I/4X WITH T-NUTS 1/16 SHEET C/SECTION COVER 1/16 PLY SPAR BRS I/Bx YB BALSATE OVER I/16x SHEET TEBOTIOM U 1/16 SHEET OVER I/BAIL SPAR 1/16 SHEET OVER I/B SPAR X 3/B BALSA TIP SECTIONS I/8x 1/4 BALSA SPAR TOPS AND BOITOMS OUT 10 TIPS DJLERON BELICRANK3/32 BALSA ALL RIBS ON /16 PLWOCO EXHAUST MABAFOD- ABAPEin PIjOTS PROM SHOE PAPER s 4KIFUSELAGE TOP VIEPp MAKE ORE PROM AB LITE PLO AXIS 0411 PROM NTOFIG BALSA SlEETAS BALSAF-9 F-3P4 OMSABSSE SLNEHNF-IF-S F-2F-SFSTRRIH AXITNBNA TARA ARE 51K BALSA SHEETARTERIALBASJT chrARTORIAS SUROIS H*AORTALAIROOM TIBRIKAr 114 AMOKFINiRUD PRRMEBS PR TO P4MERIOR41111RB OMIT 2 BAYS PRO ____________________BATT CROCRAK OJYLET RANKER AJSTTMAA MAST ORIGINAL IMAKI FILERSALL BEELS MN IS IN KIA B RROI PR PILLTOP-O...SSTNIMABRO RHO 4 -LMKMATORE OF / F IN SEPT BALSA SUER UP TA AMOS-MNBAA-AK PR PHP-T-P2*11K P OARS OSSISTp MAROEK A00-L-79—--SOFT BALSA110 ILOKATIARORI 2 RART TIRAT KOIBSEB BANK01100gArMBPEO QSELAGEIDE VIEW R0 LA-ET__K__ }AMBOL S AlA MJBAOHTNI 0455CR-IRHAITLIO BALSA 3/N SOFT 5MMPOOH TSANR TO T*5NNEEL PABAIAKS/RI AT TAR SEAMS *01110 INLW PIT ARER4 $M5j~r 110 OBANKEIO BLOOTRIC MOTARHAIR SKOOFI/IN MWM/1TW BALSANOW BASSO CARMTAR1AI*IRSIBABSOF S -BRARTOMLAS AIATE EL AVIATION OASIS MM ROOMSSAKS BA 04N PIT AR RIO-FoAMHAWKER P5051K MABETI/NM/SIC---. IHURRICANE WarnOMAAA-uunrJI 0255115 SI/0 MO ROBARTALT DESIGNED S DRAWN NY STEVE CRONE ROMOLSROOMTAAIflMEL OCTAL ACING ST JOE DEMANCO DEAR DOOR OCTALha SIllS 55551111MB R F R5 0 N started full-steam Hurricane end result wasnt disappoint ment way ship came out half-pound heavier what shooting amount fixed weight contend wasnt too bad purposely went thick Clark Y airfoil plane did come out bit heavy wing could handle little no adverse effect flying characteristics Also prototype thick airfoil sec tion wanted retain sake appearance main thing about building Elec trics very conscious elements weight Fixed weight motor motor batteries RC gear going whatever adds up just isnBt way around need compensate making structure final finish lightweight possible fixed weight model 42 oz structure cov ering paint etc weighed 30 oz can see important select lightweight balsa other ma terials want model really successful could lower fixed weight over lighter wheels spinner 250 mAh flight battery etc decided stick regular commercial items just no way put words feeling get see Hurricane take off climb blue looks real feel sitting cockpit tracks straight takeoff need just touch rudder Hold little upelevator starting takeoff run As speed builds gradually release back pressure after run about 100 ft will lift off smooth silk Dont force keep climb turns shallow grab some altitude control response positive smooth watch out dont over-control ailerons quite effective should used light pressures model flies like real thing get ham-handed controls youll Abuy farm two-position motor switch works beautifully throttle back cruise4 model just leaks off altitude gradually can set up ap proach will envy everyone field Like tapered low-wing aircraft has tendency tipstall angle attack high airspeed slowdont get too slow landing approaches Keep model fly ing normal approach attitude down runway gently flair out cut 34 Model Aviation units have built sanued entire model ready covering Its wellengineered have strength needed undue weight penalty FULL-SIZE PLANS AVAILABLE. SEE PAGE 164 j3C5 Sj LAAB*TIAB SON STABILIZER B ELEVATOR TT CS STAONAB BOO-S0 SETTBAAIIEBOS FUSELAGE FRONT VIEW A-N A-B A-A BESOATOBNOTE ALL BUS MAW PAWA SflA tALSAflfl TAPES CO TO CTBAT 1W 0 R-2 R-315 -Th R-4 3dB lAS IMBAlANCE SECTION AILESOO LEBOBAS E900 Lsr BALSAOISA BALSA 5fl2 AL RABS PLASTIC COBOOT IAB MASS TIBE N S0 ,A-A BiP-IIBI IIOAOBOBIooooTCANOPY DETAIL ISO 00500CC TEA 554KB MS -BE SSOBAASAIS SCBTE BBEOIOSEOI LIBATE ONIM IAS IA-F 05 USPLO3BIIBO 10 AEON DAWET 2 OF 5 NOOEL AVIATI0I HAWKER HURRICANE Mk SCALE I5 WER ASTRO IS MOIOR DESIGNED S DRAWN BY STEW CROWE USE IAlIA SBUS ACING BY JOE DEMARCO PLAN LEFT SIDEAOE~AT ABBUIRNAB switch ease down ship also makes beautiful wheel landings dont afraid grease tail-high used following control throws Rudder /2 left right Elevator 3/4 up down Ailerons 3/4 up /2 down Throttle Switch forward po sition high speed fuselage built-up using halfshell method lightweight very strong stringers added Start laying-up fuselage keels completed lay down keels fuselage side-view plan add bulkheads respective stations Make certain 90 de grees keeL Add side keel Make sure bulkheads square glue place should now have fuselage half-shell Remove plan add kulkheads opposite side Upon completion start adding stringers alternating pattern keep sighting down main keels correcting necessary keep fuselage true will notice few stringer locations marked bulkhead drawings plans Cutting stringer notches bulkheads advance isnt recommended apt produce wavy stringers bet ter use actual stringers guide Heres Notch forward bulkhead lay stringer notch pin stringer its proper location tail post using stringer guide mark other bulkhead notches method will produce straight fuselage will look great its covered Inlay 1/8 soft balsa between stringers forward section fuselage called plans Wing fillets Ive tried ways stiff bond paper method best SPECI FICATIONS Wingspan Fuselage Length Height Wing Area Loading. Weight 60 48in 15 530sq - 20 oz/sq ft 4Y2lb PowerGeared Astro 15 RadioFutaba 6 cli ServosFour Futaba 3-20 Prop13-8 Canopy040 butyrate plastic cowl050 ASA plastic Main WheelsRobart 3% Tail WheelRobart 1 SpinnerDu-Bre 3 August1963 35 finished assembled framework seems too beautiful coverbut gets oven beautiful covered finished decorated Could pass huge Rubber model think Its lightweight strong very realistic completed method purely trial-and-error Cut out few patterns lay up against fuselage Cut little time pattern until obtain proper fillet contour sure make up fillet contour formers will help final installation fillets glued place give few coats nitrate dope will make tougher provide good base paint final finish wont able glue wing fillets until 1/32 plywood wing saddle has installed fuselage Therefore next step would build wing assembly Wing Start laminating wing spars 1A x 1/8 hard balsa spruce Next cut out dihedral joiners 1/16 plywood set aside until ribs have cut 3/32 balsa make necessary cutouts ribs gear mounting blocks lightening aileron rods go through holes Build center section first Lay down spars position ribs Cut spars dihedral breaks Af ter ribs glued add top spars Steve puts auto battery use fieldcharging Astro 15s Ni-Cds another flight charger plugs fuselage just front wing switch just behind plug Two-blade flying prop shown three-blader other pics show ply dihedral joiners joiners will extend beyond butt ribs ap proximately 5 dont cut off will glued spars outer panels Lay down spars outer pan els build units complete ailerons finished slide panels onto joiners Note spar join ers will have bent fit flush faces spars due taper outer panels Bend neces sary add glue clamp clothes pins until dry Plank center section 1/16 sheet balsa certain dihedral both panels equal Install ailer rods bellcranks servo wing built can now re turn fuselage Cut 1/32 ply wing saddle fit awaiting cavity Check fit saddle wing place shim ply neces sary obtain good fit wing Now can go back complete wing fillet Since fillet tapers rather sharply leading edge build portion scrap soft balsa blocks blending fuselage 180-grit sandpaper wrapped around 3/8-in doweL Radiator appendage fits under wing centersection doesnt have function model 36 Model Aviation Sliding canopy mechanism detailed plans Its flown open position allow flow-through cooling air Instrument panel adds nice touch realism authors Hurr4cane easy spot lineup Valley Flyers Scale Contest too much wind day fly Hurricane received lot attention Hurricane would look rather naked tried something new making radiator 2-lb-density polyure thane foam foam very easy carve shape sand After final sanding coat ala phatic-resin glue thinned water applied dry sanded 320-grit wet-or-dry paper layer silkspan applied second coat glue followed slurry water-thinned Dap vinyl paste dry sanded smooth finish sounds heavy final result really quite light radiator looks great hanging under wing Prepared way takes beau tiful finish painted could build radiator balsa block think foam better also quicker Tail surfaces model shown plans constructed tapered spars both horizontal verti cal tail surfaces started build flat upon completion found just didnt look right built another set taper little work liked end result Im sure model would fly okay flat stab rudder builders choice Canopy original model con structed sliding canopy serve two purposes vent warm air fuselage other al low access servos mounted three-abreast ply plate along two-position switch motor control method used making sliding canopy involved two lengths 3/32-in aluminum tubing rails mounted fuselage sides split down middle 1/16-in slot side 1/16-india brass tubing mounted can opy section slipped alumi mum tubing used guides used pins inserted brass tubing soldered bent 90-deg anglethe pins acted mounting points lower edge canopy idea worked well may other methods builder would prefer use sliding canopy dont install until ship completed small 1/32 ply former gets glued front canopy once installed canopy cant removed canopy frame masked sprayed olive drab dope before installation Landing gear Using pattern shown front view plan bend main gear 1/8-in music wire Bend sway braces 1 / 1 6-in music wire bind solder braces Continued page 92 Nor Cali AVIONKSS ACCUETACH 1 IITAL rACHOMET get contInuOii accurate RPM ru Out select ldle topend adjus jth dual scale capabiliWO iOOX Quality built preci sion electronics VOLTME Eate Determine ~arge yOiffr batte out Check orbat cycle TXRX tery comboS 3 MoNITOR QUICK CAR~sibleto Makes%ak battery safelyharg0 bY pack fast c volt watchinQ tiny age drop 51gnals full charge ORDER YOURS NOW 79JaId send check money order no CODs NorCal AVIONICS inc PO Box 70956 Sunnyvaie CA 94086 California residents add 6% tax Add $300 shipping outside continental USA Dealer inquiries invited August 1983 37 N Now Kit Form Savejeven easy assemble 4 channel kit expandable 7 OnIy$ 7995 service parts available past manu factured EK Logitrol radios including Logitrol manufactured Cirrus Tower Hobby Lobby radios Free servo reversing Hobby Lobby radios included service work 95 wIth large linear servos 12995 small rotary servos & 4 Four Channel Radio Wider body ends aching shoulder muscles Angled easier monitoring battery charge Designed easily accept new frequencies Servo reversing simply reversing plug Adjustable stick tension Inexpensive replacement servos 45OmU hqttery pack 600mAH & 1200mAH extra Expani Full Commana bystems509 487-2122 908 E Rosewood Spokane WA 99207 Fun/Winter Continued page 85 proportional rudder others soon after multiple propor tional controls So fair account radio control would make historical tome handful folks smatter ing electronics fiddled pulse rates pulse widths mixed both two proportional con trols have heard tell Jerry Pul lin West Coast real father proportional got act together early full-house propo rigs popped up commercially California like spring flowers will tell story very early SOs MAN asked Paul Runge what new said some guy Virginia system called Galloping Ghost turned out own AMA Executive Director John Worth solved proportional elevator rudder simul mechanical means led four-part article link age arms actuator single infamous Victory motor connected rudder elevators position transmitter stick would enable constantly threshing surfaces average out some desired flight path ground plane looked sounded like wounded duck Hams concocted strange wonder ful rigs crates example Sigfried won Nats circa 1940 15-ft giant performed first loopin public anyway crate big glassed door peeked saw huge gears made think colonial watermill Fuliarton cited MAN article reported early Nats no flights took place day because pilots ran out day light before could complete tuning equipment Good brothers Guff osten sibly rudder-only aircraft did have elevators heading photo can see through magnifying glass two relays through inspection door second tiny elevators dont recall Walt ever making eleva tor maneuver Nats dont have foggiest notion triggered second escapementun less some folks tried Goods two receivers conjures up wild notions about transmitter two frequencies point just spoke Walt Good phone Florida Yes two receivers tuned opposite ends old Amateur Band 50 56 MHz three escape ments Big Guff also clapper its spark-ignition Brown Junior sort slowed down Goods option flying either rudder/elevator rudder/engine Guff also thermal-delay engine cutoff actuated holding rudder five secondswhich tells lot about Guffs turning characteristics reason never seen Goods use rudder competition receiver acted up connected better rudder way won heading photo youll note small control box held Bill Goods hand using three close-up lenses stacked together able read words Up Down adjacent stick Almost completely hidden under Bills forefinger button switch Walt says two either buttons switches evidently rudder left hand operated rudder right elevator desired frequency automatically determined move ments controls tiny box Until glow plug came along Ray Arden flew powered FF across Van Courtland Park 1904that date precise because once interviewed Ardenhanded out sample glow plugs Minneapolis Nats 1947 thing ignition Before 1950 two sets points ignition engines two speeds world went glow-ignition bananas Crates became spongy fuel melted nitrate dopes came fuel-proofers finally buty rate dopes years no way throttle glow second escapement triggered quick blip primary escapement operated clapper choked venturi idleand few botheredthe plane blubbered along low speed cloud smoke came two needle valves above other Inside crate clapper adja cent end air line leading loW needle would close air line both needles would pour fuel badly-flooded engine Clouds smoke horrendous cleanups heartbreakers Relay contacts quickly became dirty and/or pitted due voltage spike sparks crates smashed-up flew away often made successful flights Chet Lanzo quipped radio control permitted select loca tion crash 1951 went four months successful flight al though flew weekend year tip RC historical icebergand part age escapements landmark reached late Forties Vernon McNabbs 465 hand-held outfit gained first approv al FCC license-free operation wont go incredible adven ture beyond saying flew test units before leading own Citizen airplane old MAN Sensational developments take place constantly cant see Chips stuff know take superb radio systems granted DCRC Club Open House early 70s stage displayed historic RC jobs members including Walt Good developed end line late-mark Rudder Bug fullhouse controls relatively modern proportional circa 1955 Well never forget Walt looking wistfully highwing Bug already flying Pattern other types saying what thought would come eloquent proof future cant predicted todays basic technology What changed things Cali fornian named Dunn unable dur ing SOs attend Nats amused himself revising Bonner cabin Smog Hog low-wingerthe Astro Hog Sig has Astro Hog kit knew low-wingers didnt fly After Nats deBolt phoned us MAN told him junk cabin Pattern designs Stunned murmured California has gone low-wing exaggerated thats impossible retorted Perhaps moral order make progress must watch kinds models years before very nice lowwing model won Wakefield Cup Low-wing Rubber Scale models flying 1943 design Italian fighter much inproved flown modern techniques Pat Dailey won FAC Nats WW II event Earl Stahls North American Apache best ever before war great Kingfish Sadler Little Rock successfully flying low-wing FFs Nats Dont think is aint Auto pilots Just talked Bill Hershberger early April opportunity fly transmitter computerized sticks developed fel low club member encoder board replaced computer unit face transmitter num bered buttons can program possible maneuver side other numbered buttons 1 5 enable use transmitter different airplanes Apparently takes off uses sticks normally Bill says could tell difference sticks feel own Silver 7 Until five minutes ago talking tongue-in-cheek about future Bite tongue Bill Winter 4426 Altura Ct Fairfax VA 22030 Electric Hurricane/Crowe Continued page 37 main gear legs used wire soldering lugs ends sway braces mount ply gear braces Continued page 144 92 Model Aviation The Best Custom Screen Sportswear See Us NATS will design com memorative T-Shirt club special event Call write details Corsait iesigns just some avaition designs available top quality line sportswear designs direct print eat transferl Gee Bee Warhawks Fokker DVII. P38 Christen Eagle. Pitts Special . Citabria. AT6. p-47. Steerman. Curtis Jenny . Corsair . Coaches ShirtS1295T-ShirnSB95 Ladies TopS950Long Sleeve T$795 Shorts$S95BeaeballSS95 Lined JacketS2195Football$S95 Tote Bag5795Sweetshirt$950 Tire Cover$14S5Hooded SweatSi4SS HatSS95 Wide choice colors sizes Send $100 new Illustrated Brochure Nane Address CityStateZip Design SizeColor now accept MasterCard & Visa _____ TO ORDER Send check money order add 10% postagelhandling MD res 5% tax OR CALL COLLECT after 4pm write Phase Art 17102 Earlham Ct. Upper Marlboro MD 20772 3011843-3050 FF Duration/Meuser Continued tram page i41 Award 1983 noted individuals have contributed development continuity Free Flight model airplane ac tivities throughout US world Society proud recognize achievements Reginald Denny deceased modeler designs have widely accepted both 1930s 1980s can forget Dennymite engine John Gard scientific designer Wakefield Nordic models has car ried theory aeronautics practical application through designs Don McGovern Editor Flying Models magazine years designer truly unique models designer/draftsman model plans almost anyone else John Pond grandfather OldTimers activity throughout world has pusher Free Flight since 930s George Reich dedicated modeler desire achieve championship status realized fully 1961 won Wakefield Cup USA developed rubber-powered designs have widely mimicked other modelers Lawrence Smithline name remem bered oldster today Larrys articles model construction appeared old Flying Aces Model Airplane News Air Trails yesteryear todays mod elers cut modeling teeth Larrys de signs Model Year Awards Jim Wilson Model Year Chairman National Free Flight Society announces awards 1983 International Classes FlAMatt GewainPacer 14 FiBAtain Landeau FiCAdreas Mecxner Delfsn AMA Power SmallRoman Ramirez Careo LargeHal WoodsSummerwind Doug Gaibreath744 Other Categories Hand-Phil Hainer JrKwik Flip II LaunchedPhil Hainer Sr Glider IndoorStan ChiltonSweet 16 EZ-B UnlimitedBob WhiteUnlimited UnRubberlimited ScaleDon SrullSantos DuMont SpecialEd DotbyFAI Rubber awardees have invited display discuss models NFFS Sym posium held AMA Nationals July Drawings photos stories about models will appear NFFS Sym posium Report will available Nationals mail order further information contact Jim Wilson 1030 Ave nue D Redondo Beach CA 90277 Bob Meuser 4200 Gre gory St Oakland CA 94619 Electric Hurricane/Crowe Continued page 92 wing small wood screws main gear mounted gear blocks aluminum straps screws gear fairing doors 050 ASA plastic Small metal strips soldered gear legs hold gear doors means 2-56 screws through small holes drilled straps gear doors tail wheel held Du Bro wheel collar Study plans steering arm soldered top collar picks up rudder cable steering engine cowl can carved bal sa laid-up fiberglass pulled plastic cowl model made ASA plastic pulled over wooden pattern cockpit canopy made same way isnt really lot effort carving plug have access vacu-form ma chine give try Make exhaust manifolds scrap soft balsa apply sanding sealer finish flat black paint Finishing Since trying keep models weight low chose cover MonoKote tried find flat-finish type mentioned Don Srulls Spitfire article no luck ended up glossy stuff 144 Model Aviation Gee Bee Designed RIC Combat agile little performer can fly rings around airplane youve ever owned youre looking really spirited responsive aircraft thats easier build fly Warbird exactly what need 3 Channel RIC 19 25 36Span Mixer Included $3495 OWBIRD Showbird big gest best has rock steady pattern performance thats amazing because will rolls straight up out sight stock K & B 40 slows down like glider landing 64 inches beautiful flying wing will make look great field Precision kit 2540 engine 7 eel ol rolled plans $5995 See dealer first send check money order Pacific Air 15 Skyline Drive Woodside CA 94062 %%y 1131 NW 45 Slreet Ft Lauderdale FL 33309 1305 491-6 175 ENGINEERING TIlE LANDING SEAR PEOPLE Tired bi laildiag gears kit dust III biggie properly 0 & 0 Eaglneenllg can seIne year probleesl * Custom heBI seeds & syocs guarasleed * Straug & durable ti wilhstasd Ike leogbesl lauding * 0 & 0 Engineering gear will work & beep biggie flag * In stack roploemeellI gear popular models Ryram Pills Christie Eagle CAP 21 Ralsa USA J-3 CUB Air Tech Powece Eugle Nesee Big Stick Cbamp Cltabria & II models Snapper Stieger snapper Too painted flat Pactra Formula U covered fuselage silk gets around compound curves easily weight adds negligible fuse lage given four coats nitrate dope final finish light coat Formula U olive drab followed light coat camouflage flat tan Before painting wiped MonoKote areas acetone remove oil dirt Decals produced Dave Platt Models very close proper size model Control rods used Suliivan Gold-NRod cable type lightweight flexible can easily positioned through fuselage bulkheads cable system moving elevator rudder makes very neat installa tion like attach cable servo arms either Du-Bro Gold berg easy connectors rig con trols setup need loosen screw connector move cable fore aft get desired result Flying Did get everything lined-up properly wing tips have cor rect amount washout Are control attachment points secure Are wheels tight Dont laugh Ive seen new ship leave wheel roll ing down runway lifted off cause pre-flight check overlooked takes small item destroy three four months work Check balance point should fall between 25% 30% wing chord Dont fly ship tail-heavy rearward balance point courting snap-roll disaster sure CC correct point model tested 13-in-dia 8-in-pitch prop did very well once trimmed out Later tried 12-8 13-incher seemed put out much thrust 530 sq wing area model handles 4-lb total weight ease During test flights motor battery closely watched bit concerned might heat up too much seems stay very cooL believe Hurricane would really perform new Cobalt motors Maybe Ill try later now Im having ball straight Astro 15 gear unit dont think will have regrets build ship took Hurri cane Valley Flyers Contest California stole show youre looking fun Scale project has great looks flyabiity SAFE FLYING IS NO ACCIDENT ************* *** ** WW***W * * * * WANDITTM * *Dealers Invited * * COn yOar warranty * ~J -K *CORD *Wet DryK * Stich AbrasivesK K *A Keen Machine' gives enceptionalK *sanding control encellent finish* * * 8995 Basic OcI 1 flat Wand 1 * ritsK *10895 Builder Special mcI 2 fIat 1 half * ano wand 5 6 grtsK *12995 Delver includes 3 flar 2 halfK * nd wauds buff wanos andK -K * 6 grits * *Addtional Wands Abrasves ava ableK * e local hobby shopK *K *80015 ELMORE Eoe No 1214 288 5780K * P 0 Box 266 uite Texas 75149K K KKKKKKKKKK*K Radio Technique/Myers Continued page 39 tion selectively amplifies signals between 72 73 MHz rest gives us second stage filtering Meanwhile crystal-controlled oscillator LO receiver running fre quency precisely 455 MHz above transmitters frequency oscil lators voltage frequency injected mixer along amplified RE voltages IRE section mixer frequency present mixed other frequency present including local oscillator mixing new fre Continued page 148 August 1983 145 INTRODUCING THE NEW FOX 36 RC Schneurle Ported Ball Bearing Main BRAND NEW 36 RC.evolved highly successful Combat Special took highly successful Fox Combat Special fitted new MarkXtype carburetor made porting head modifications get run idle well no-nitro fuel Result.the powerful 36 RC market new Fox 36 RC combines power superb idling characteristics light weight.and delivers lowest cost fuels 23900 Fox 36 RO$5995 90236 TiltUp Muffler1495 90237 Tilt-Down Muffler1495 F 0 X MANUFACTURING Co 5305 TDWSON AVEFORT SMITH ARK 72901 Hot Line SOif 686-1656 IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA$20950 New 22 CID QUADRA$10950 Req 22 QUADRA $10450 Brisighelle Flywheel 012450 Req 22 QUADRA POWER ASSEMBLY ONLY 86450 QUADRA REPAIR 1000 pIes pews Jim Mesner ERCOUPEPLANS 82395 KIT $23995 Jim Messe TOMAHAWKPLANS $2395 KIT $25995 Jinx Messe 9-BALL TRAINER PLANS $1695 KIT $9995 BALSA end BASSWOOD fell siesI 35% OFF Connept FLEET PLANS $2995 KIT $15995 COWL $1995 P6W RADIAL ENGINES tar Fleet $2495 VICKERS LEWIS MACHINE GUN KITS $1495 CECONITE Podunts 10% OFF Siq J3 CUB KIT $12495 PLANS SUPER STEARMAN IGedfreyl $2095 STARDUSTER TOO IBrisighellel J3 CUB NeIit $2995 VOLKSPLANE IChinken Cherliel $2395 COCKPIT KITS Tonehewk F4U-1 Spitfire $2295 Ernoepe $2095 Steernien 82295 Citebrie $2495 J-3 Cob $2195 ME-109 $2295 Fleet $2195 US Ocedre FUEL TANKSlOne $695 32 en $795 FIBERGLASS ARROW SHAFTS 511$ s 32 long 61$1l1110 24-Hour Service. Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 VelleY View Dr Allegeny NY 14706 AU NEW cusro SCNNEURLE cox 009 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom parts Cox TD 020 049 051 & 09 engines Competition parts & accessories Combat Free Fit C/L & A/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna Hills CA 92653 Telephone 714 830-5162
Edition: Model Aviation - 1983/08
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 92, 144, 145
NO OCR TEXT NO OCR TEXT bottom can see landing gear installation radiator Reduction-belt-drive MaIro 15 provides plenty power carved foam Main wheels 2h-in-dia Robart firewall cooling air exits cockpit Futaba S-20 servo mounts wing center section Hardwood dowels trailing edge provide reinforcement hold-downs Electric Id fooling around Kraft Chipmunk very impressed silence smooth ness control flew greater urge became build something larger power little reluctant beginning tackle such Electric model after reading about success SruIls Spit fire threw caution wind Wing saddle ot 1/32 ply makes good platform mounting wing ana Deels-up ui lage Note wing hold-down points rear platform Holes alongside radio com partment give access wood screws holding servo platform rails close look will reveal dropping resistor three-position switch mounted bottom servo tray 32 Model Aviation Exhaust stacks made scrap soft balsa painted tias blacK Panel lines add realism very little weight penalty Tail wheel 1-in Robart mounted fuselage fairing Attachment rudder cable makes steerable See details plan -yijw OMEMIA~JA1 Q4JT GRASS VA IIUI19 TS NOWAYI THATLL N HIS -ITS CHUCKVOW SUREEN READIN JUSTASMIH NOTHING NEXT T END UPINAMUSEUM ALTLIHIDE WHAT BRINGS WV TUR tRIPs N MA lOCK E4DIN THEM SNAPPf MAR NE LIKE T BIJ LOER AWAY'vHERE U5 ARE NUTS JRFUNEs UJ TURN OUTALl HE FL ES NOW 15 T WVURO ITRSESf-IIEYCNIXK ON THESPA11 CANS WITH /-AND ijLEVEL-IS NKSHEELS TOCRAT -FL AT DULLES--HANKSEZ BY ALL MIANS vsritJ BALSA FIN BASE BLOCKS 5/16 X 3/8 LE STABILIZER FIVE LAMINATIONS 1/16 X /4 BALSA FIN AND RUDDER ONLY I/8x /2 BALSA RIBS 1/4 X 1/2BALSA FIN AND RUDDER POSTS 3/8 BALSA T EDGE 1PED SPRAED FRAMES HEAT PASSAGE HCLE040 BUlYRATEVii AILERON SERvo IN WING j76~ 7 N / 0 3 DUBRO SPINNER C, GEARED ASTROI5 ELECTRIC MOTOR ca C COOLING AIRMOTORFl I/B LITE-PLY INLET PORTMCflJNT SLEEFIREWALL DOUBLED TO 3/16 BALSA / I/16PLY I3/I6CY*EL DIHEDRAL/~ V8 BALSA IWINGI BRACES~4\ SHEETBETWEENMOUNT/VI6 I/8SO STRINGERS/ TO F4I/I6PLWiOODSAflCtE L MWIRE L GEAR 3/8X 3/4MAPLE BWCK- ROBART 3 I/4WNEELS 1/16 RODS ALUM lUBE IN MAST 3/32 BALSA WEBS PLASTIC OR PlY RIRtIG 2-56 SCREWS tJlO ALUM TABS 1 DOUBLED SPRUCE BOTTOM SPAR TO RIB B/ DOUBLED -fop I/4X 5/8 BALSA LEAIMNG EDGE X 1/2 BALSA SRS FOR S1B 3/8 STOCK VENTRAL FAIRING 1TAILWHEELCtJ LI6 WIRE 10 DUBRO COLLARS AND STEER FROM RUDDER 3/I6 SO BALSA DOUBLED FOR FOUR KEELS SAND FORMERSI/B BALSA SHEET FORMERS F-7 10 F-b BETWEEN STRINGERS V8 SHEET FAIRING BACK UP WING MOUNT BWCKS I/4X WITH T-NUTS 1/16 SHEET C/SECTION COVER 1/16 PLY SPAR BRS I/Bx YB BALSATE OVER I/16x SHEET TEBOTIOM U 1/16 SHEET OVER I/BAIL SPAR 1/16 SHEET OVER I/B SPAR X 3/B BALSA TIP SECTIONS I/8x 1/4 BALSA SPAR TOPS AND BOITOMS OUT 10 TIPS DJLERON BELICRANK3/32 BALSA ALL RIBS ON /16 PLWOCO EXHAUST MABAFOD- ABAPEin PIjOTS PROM SHOE PAPER s 4KIFUSELAGE TOP VIEPp MAKE ORE PROM AB LITE PLO AXIS 0411 PROM NTOFIG BALSA SlEETAS BALSAF-9 F-3P4 OMSABSSE SLNEHNF-IF-S F-2F-SFSTRRIH AXITNBNA TARA ARE 51K BALSA SHEETARTERIALBASJT chrARTORIAS SUROIS H*AORTALAIROOM TIBRIKAr 114 AMOKFINiRUD PRRMEBS PR TO P4MERIOR41111RB OMIT 2 BAYS PRO ____________________BATT CROCRAK OJYLET RANKER AJSTTMAA MAST ORIGINAL IMAKI FILERSALL BEELS MN IS IN KIA B RROI PR PILLTOP-O...SSTNIMABRO RHO 4 -LMKMATORE OF / F IN SEPT BALSA SUER UP TA AMOS-MNBAA-AK PR PHP-T-P2*11K P OARS OSSISTp MAROEK A00-L-79—--SOFT BALSA110 ILOKATIARORI 2 RART TIRAT KOIBSEB BANK01100gArMBPEO QSELAGEIDE VIEW R0 LA-ET__K__ }AMBOL S AlA MJBAOHTNI 0455CR-IRHAITLIO BALSA 3/N SOFT 5MMPOOH TSANR TO T*5NNEEL PABAIAKS/RI AT TAR SEAMS *01110 INLW PIT ARER4 $M5j~r 110 OBANKEIO BLOOTRIC MOTARHAIR SKOOFI/IN MWM/1TW BALSANOW BASSO CARMTAR1AI*IRSIBABSOF S -BRARTOMLAS AIATE EL AVIATION OASIS MM ROOMSSAKS BA 04N PIT AR RIO-FoAMHAWKER P5051K MABETI/NM/SIC---. IHURRICANE WarnOMAAA-uunrJI 0255115 SI/0 MO ROBARTALT DESIGNED S DRAWN NY STEVE CRONE ROMOLSROOMTAAIflMEL OCTAL ACING ST JOE DEMANCO DEAR DOOR OCTALha SIllS 55551111MB R F R5 0 N started full-steam Hurricane end result wasnt disappoint ment way ship came out half-pound heavier what shooting amount fixed weight contend wasnt too bad purposely went thick Clark Y airfoil plane did come out bit heavy wing could handle little no adverse effect flying characteristics Also prototype thick airfoil sec tion wanted retain sake appearance main thing about building Elec trics very conscious elements weight Fixed weight motor motor batteries RC gear going whatever adds up just isnBt way around need compensate making structure final finish lightweight possible fixed weight model 42 oz structure cov ering paint etc weighed 30 oz can see important select lightweight balsa other ma terials want model really successful could lower fixed weight over lighter wheels spinner 250 mAh flight battery etc decided stick regular commercial items just no way put words feeling get see Hurricane take off climb blue looks real feel sitting cockpit tracks straight takeoff need just touch rudder Hold little upelevator starting takeoff run As speed builds gradually release back pressure after run about 100 ft will lift off smooth silk Dont force keep climb turns shallow grab some altitude control response positive smooth watch out dont over-control ailerons quite effective should used light pressures model flies like real thing get ham-handed controls youll Abuy farm two-position motor switch works beautifully throttle back cruise4 model just leaks off altitude gradually can set up ap proach will envy everyone field Like tapered low-wing aircraft has tendency tipstall angle attack high airspeed slowdont get too slow landing approaches Keep model fly ing normal approach attitude down runway gently flair out cut 34 Model Aviation units have built sanued entire model ready covering Its wellengineered have strength needed undue weight penalty FULL-SIZE PLANS AVAILABLE. SEE PAGE 164 j3C5 Sj LAAB*TIAB SON STABILIZER B ELEVATOR TT CS STAONAB BOO-S0 SETTBAAIIEBOS FUSELAGE FRONT VIEW A-N A-B A-A BESOATOBNOTE ALL BUS MAW PAWA SflA tALSAflfl TAPES CO TO CTBAT 1W 0 R-2 R-315 -Th R-4 3dB lAS IMBAlANCE SECTION AILESOO LEBOBAS E900 Lsr BALSAOISA BALSA 5fl2 AL RABS PLASTIC COBOOT IAB MASS TIBE N S0 ,A-A BiP-IIBI IIOAOBOBIooooTCANOPY DETAIL ISO 00500CC TEA 554KB MS -BE SSOBAASAIS SCBTE BBEOIOSEOI LIBATE ONIM IAS IA-F 05 USPLO3BIIBO 10 AEON DAWET 2 OF 5 NOOEL AVIATI0I HAWKER HURRICANE Mk SCALE I5 WER ASTRO IS MOIOR DESIGNED S DRAWN BY STEW CROWE USE IAlIA SBUS ACING BY JOE DEMARCO PLAN LEFT SIDEAOE~AT ABBUIRNAB switch ease down ship also makes beautiful wheel landings dont afraid grease tail-high used following control throws Rudder /2 left right Elevator 3/4 up down Ailerons 3/4 up /2 down Throttle Switch forward po sition high speed fuselage built-up using halfshell method lightweight very strong stringers added Start laying-up fuselage keels completed lay down keels fuselage side-view plan add bulkheads respective stations Make certain 90 de grees keeL Add side keel Make sure bulkheads square glue place should now have fuselage half-shell Remove plan add kulkheads opposite side Upon completion start adding stringers alternating pattern keep sighting down main keels correcting necessary keep fuselage true will notice few stringer locations marked bulkhead drawings plans Cutting stringer notches bulkheads advance isnt recommended apt produce wavy stringers bet ter use actual stringers guide Heres Notch forward bulkhead lay stringer notch pin stringer its proper location tail post using stringer guide mark other bulkhead notches method will produce straight fuselage will look great its covered Inlay 1/8 soft balsa between stringers forward section fuselage called plans Wing fillets Ive tried ways stiff bond paper method best SPECI FICATIONS Wingspan Fuselage Length Height Wing Area Loading. Weight 60 48in 15 530sq - 20 oz/sq ft 4Y2lb PowerGeared Astro 15 RadioFutaba 6 cli ServosFour Futaba 3-20 Prop13-8 Canopy040 butyrate plastic cowl050 ASA plastic Main WheelsRobart 3% Tail WheelRobart 1 SpinnerDu-Bre 3 August1963 35 finished assembled framework seems too beautiful coverbut gets oven beautiful covered finished decorated Could pass huge Rubber model think Its lightweight strong very realistic completed method purely trial-and-error Cut out few patterns lay up against fuselage Cut little time pattern until obtain proper fillet contour sure make up fillet contour formers will help final installation fillets glued place give few coats nitrate dope will make tougher provide good base paint final finish wont able glue wing fillets until 1/32 plywood wing saddle has installed fuselage Therefore next step would build wing assembly Wing Start laminating wing spars 1A x 1/8 hard balsa spruce Next cut out dihedral joiners 1/16 plywood set aside until ribs have cut 3/32 balsa make necessary cutouts ribs gear mounting blocks lightening aileron rods go through holes Build center section first Lay down spars position ribs Cut spars dihedral breaks Af ter ribs glued add top spars Steve puts auto battery use fieldcharging Astro 15s Ni-Cds another flight charger plugs fuselage just front wing switch just behind plug Two-blade flying prop shown three-blader other pics show ply dihedral joiners joiners will extend beyond butt ribs ap proximately 5 dont cut off will glued spars outer panels Lay down spars outer pan els build units complete ailerons finished slide panels onto joiners Note spar join ers will have bent fit flush faces spars due taper outer panels Bend neces sary add glue clamp clothes pins until dry Plank center section 1/16 sheet balsa certain dihedral both panels equal Install ailer rods bellcranks servo wing built can now re turn fuselage Cut 1/32 ply wing saddle fit awaiting cavity Check fit saddle wing place shim ply neces sary obtain good fit wing Now can go back complete wing fillet Since fillet tapers rather sharply leading edge build portion scrap soft balsa blocks blending fuselage 180-grit sandpaper wrapped around 3/8-in doweL Radiator appendage fits under wing centersection doesnt have function model 36 Model Aviation Sliding canopy mechanism detailed plans Its flown open position allow flow-through cooling air Instrument panel adds nice touch realism authors Hurr4cane easy spot lineup Valley Flyers Scale Contest too much wind day fly Hurricane received lot attention Hurricane would look rather naked tried something new making radiator 2-lb-density polyure thane foam foam very easy carve shape sand After final sanding coat ala phatic-resin glue thinned water applied dry sanded 320-grit wet-or-dry paper layer silkspan applied second coat glue followed slurry water-thinned Dap vinyl paste dry sanded smooth finish sounds heavy final result really quite light radiator looks great hanging under wing Prepared way takes beau tiful finish painted could build radiator balsa block think foam better also quicker Tail surfaces model shown plans constructed tapered spars both horizontal verti cal tail surfaces started build flat upon completion found just didnt look right built another set taper little work liked end result Im sure model would fly okay flat stab rudder builders choice Canopy original model con structed sliding canopy serve two purposes vent warm air fuselage other al low access servos mounted three-abreast ply plate along two-position switch motor control method used making sliding canopy involved two lengths 3/32-in aluminum tubing rails mounted fuselage sides split down middle 1/16-in slot side 1/16-india brass tubing mounted can opy section slipped alumi mum tubing used guides used pins inserted brass tubing soldered bent 90-deg anglethe pins acted mounting points lower edge canopy idea worked well may other methods builder would prefer use sliding canopy dont install until ship completed small 1/32 ply former gets glued front canopy once installed canopy cant removed canopy frame masked sprayed olive drab dope before installation Landing gear Using pattern shown front view plan bend main gear 1/8-in music wire Bend sway braces 1 / 1 6-in music wire bind solder braces Continued page 92 Nor Cali AVIONKSS ACCUETACH 1 IITAL rACHOMET get contInuOii accurate RPM ru Out select ldle topend adjus jth dual scale capabiliWO iOOX Quality built preci sion electronics VOLTME Eate Determine ~arge yOiffr batte out Check orbat cycle TXRX tery comboS 3 MoNITOR QUICK CAR~sibleto Makes%ak battery safelyharg0 bY pack fast c volt watchinQ tiny age drop 51gnals full charge ORDER YOURS NOW 79JaId send check money order no CODs NorCal AVIONICS inc PO Box 70956 Sunnyvaie CA 94086 California residents add 6% tax Add $300 shipping outside continental USA Dealer inquiries invited August 1983 37 N Now Kit Form Savejeven easy assemble 4 channel kit expandable 7 OnIy$ 7995 service parts available past manu factured EK Logitrol radios including Logitrol manufactured Cirrus Tower Hobby Lobby radios Free servo reversing Hobby Lobby radios included service work 95 wIth large linear servos 12995 small rotary servos & 4 Four Channel Radio Wider body ends aching shoulder muscles Angled easier monitoring battery charge Designed easily accept new frequencies Servo reversing simply reversing plug Adjustable stick tension Inexpensive replacement servos 45OmU hqttery pack 600mAH & 1200mAH extra Expani Full Commana bystems509 487-2122 908 E Rosewood Spokane WA 99207 Fun/Winter Continued page 85 proportional rudder others soon after multiple propor tional controls So fair account radio control would make historical tome handful folks smatter ing electronics fiddled pulse rates pulse widths mixed both two proportional con trols have heard tell Jerry Pul lin West Coast real father proportional got act together early full-house propo rigs popped up commercially California like spring flowers will tell story very early SOs MAN asked Paul Runge what new said some guy Virginia system called Galloping Ghost turned out own AMA Executive Director John Worth solved proportional elevator rudder simul mechanical means led four-part article link age arms actuator single infamous Victory motor connected rudder elevators position transmitter stick would enable constantly threshing surfaces average out some desired flight path ground plane looked sounded like wounded duck Hams concocted strange wonder ful rigs crates example Sigfried won Nats circa 1940 15-ft giant performed first loopin public anyway crate big glassed door peeked saw huge gears made think colonial watermill Fuliarton cited MAN article reported early Nats no flights took place day because pilots ran out day light before could complete tuning equipment Good brothers Guff osten sibly rudder-only aircraft did have elevators heading photo can see through magnifying glass two relays through inspection door second tiny elevators dont recall Walt ever making eleva tor maneuver Nats dont have foggiest notion triggered second escapementun less some folks tried Goods two receivers conjures up wild notions about transmitter two frequencies point just spoke Walt Good phone Florida Yes two receivers tuned opposite ends old Amateur Band 50 56 MHz three escape ments Big Guff also clapper its spark-ignition Brown Junior sort slowed down Goods option flying either rudder/elevator rudder/engine Guff also thermal-delay engine cutoff actuated holding rudder five secondswhich tells lot about Guffs turning characteristics reason never seen Goods use rudder competition receiver acted up connected better rudder way won heading photo youll note small control box held Bill Goods hand using three close-up lenses stacked together able read words Up Down adjacent stick Almost completely hidden under Bills forefinger button switch Walt says two either buttons switches evidently rudder left hand operated rudder right elevator desired frequency automatically determined move ments controls tiny box Until glow plug came along Ray Arden flew powered FF across Van Courtland Park 1904that date precise because once interviewed Ardenhanded out sample glow plugs Minneapolis Nats 1947 thing ignition Before 1950 two sets points ignition engines two speeds world went glow-ignition bananas Crates became spongy fuel melted nitrate dopes came fuel-proofers finally buty rate dopes years no way throttle glow second escapement triggered quick blip primary escapement operated clapper choked venturi idleand few botheredthe plane blubbered along low speed cloud smoke came two needle valves above other Inside crate clapper adja cent end air line leading loW needle would close air line both needles would pour fuel badly-flooded engine Clouds smoke horrendous cleanups heartbreakers Relay contacts quickly became dirty and/or pitted due voltage spike sparks crates smashed-up flew away often made successful flights Chet Lanzo quipped radio control permitted select loca tion crash 1951 went four months successful flight al though flew weekend year tip RC historical icebergand part age escapements landmark reached late Forties Vernon McNabbs 465 hand-held outfit gained first approv al FCC license-free operation wont go incredible adven ture beyond saying flew test units before leading own Citizen airplane old MAN Sensational developments take place constantly cant see Chips stuff know take superb radio systems granted DCRC Club Open House early 70s stage displayed historic RC jobs members including Walt Good developed end line late-mark Rudder Bug fullhouse controls relatively modern proportional circa 1955 Well never forget Walt looking wistfully highwing Bug already flying Pattern other types saying what thought would come eloquent proof future cant predicted todays basic technology What changed things Cali fornian named Dunn unable dur ing SOs attend Nats amused himself revising Bonner cabin Smog Hog low-wingerthe Astro Hog Sig has Astro Hog kit knew low-wingers didnt fly After Nats deBolt phoned us MAN told him junk cabin Pattern designs Stunned murmured California has gone low-wing exaggerated thats impossible retorted Perhaps moral order make progress must watch kinds models years before very nice lowwing model won Wakefield Cup Low-wing Rubber Scale models flying 1943 design Italian fighter much inproved flown modern techniques Pat Dailey won FAC Nats WW II event Earl Stahls North American Apache best ever before war great Kingfish Sadler Little Rock successfully flying low-wing FFs Nats Dont think is aint Auto pilots Just talked Bill Hershberger early April opportunity fly transmitter computerized sticks developed fel low club member encoder board replaced computer unit face transmitter num bered buttons can program possible maneuver side other numbered buttons 1 5 enable use transmitter different airplanes Apparently takes off uses sticks normally Bill says could tell difference sticks feel own Silver 7 Until five minutes ago talking tongue-in-cheek about future Bite tongue Bill Winter 4426 Altura Ct Fairfax VA 22030 Electric Hurricane/Crowe Continued page 37 main gear legs used wire soldering lugs ends sway braces mount ply gear braces Continued page 144 92 Model Aviation The Best Custom Screen Sportswear See Us NATS will design com memorative T-Shirt club special event Call write details Corsait iesigns just some avaition designs available top quality line sportswear designs direct print eat transferl Gee Bee Warhawks Fokker DVII. P38 Christen Eagle. Pitts Special . Citabria. AT6. p-47. Steerman. Curtis Jenny . Corsair . Coaches ShirtS1295T-ShirnSB95 Ladies TopS950Long Sleeve T$795 Shorts$S95BeaeballSS95 Lined JacketS2195Football$S95 Tote Bag5795Sweetshirt$950 Tire Cover$14S5Hooded SweatSi4SS HatSS95 Wide choice colors sizes Send $100 new Illustrated Brochure Nane Address CityStateZip Design SizeColor now accept MasterCard & Visa _____ TO ORDER Send check money order add 10% postagelhandling MD res 5% tax OR CALL COLLECT after 4pm write Phase Art 17102 Earlham Ct. Upper Marlboro MD 20772 3011843-3050 FF Duration/Meuser Continued tram page i41 Award 1983 noted individuals have contributed development continuity Free Flight model airplane ac tivities throughout US world Society proud recognize achievements Reginald Denny deceased modeler designs have widely accepted both 1930s 1980s can forget Dennymite engine John Gard scientific designer Wakefield Nordic models has car ried theory aeronautics practical application through designs Don McGovern Editor Flying Models magazine years designer truly unique models designer/draftsman model plans almost anyone else John Pond grandfather OldTimers activity throughout world has pusher Free Flight since 930s George Reich dedicated modeler desire achieve championship status realized fully 1961 won Wakefield Cup USA developed rubber-powered designs have widely mimicked other modelers Lawrence Smithline name remem bered oldster today Larrys articles model construction appeared old Flying Aces Model Airplane News Air Trails yesteryear todays mod elers cut modeling teeth Larrys de signs Model Year Awards Jim Wilson Model Year Chairman National Free Flight Society announces awards 1983 International Classes FlAMatt GewainPacer 14 FiBAtain Landeau FiCAdreas Mecxner Delfsn AMA Power SmallRoman Ramirez Careo LargeHal WoodsSummerwind Doug Gaibreath744 Other Categories Hand-Phil Hainer JrKwik Flip II LaunchedPhil Hainer Sr Glider IndoorStan ChiltonSweet 16 EZ-B UnlimitedBob WhiteUnlimited UnRubberlimited ScaleDon SrullSantos DuMont SpecialEd DotbyFAI Rubber awardees have invited display discuss models NFFS Sym posium held AMA Nationals July Drawings photos stories about models will appear NFFS Sym posium Report will available Nationals mail order further information contact Jim Wilson 1030 Ave nue D Redondo Beach CA 90277 Bob Meuser 4200 Gre gory St Oakland CA 94619 Electric Hurricane/Crowe Continued page 92 wing small wood screws main gear mounted gear blocks aluminum straps screws gear fairing doors 050 ASA plastic Small metal strips soldered gear legs hold gear doors means 2-56 screws through small holes drilled straps gear doors tail wheel held Du Bro wheel collar Study plans steering arm soldered top collar picks up rudder cable steering engine cowl can carved bal sa laid-up fiberglass pulled plastic cowl model made ASA plastic pulled over wooden pattern cockpit canopy made same way isnt really lot effort carving plug have access vacu-form ma chine give try Make exhaust manifolds scrap soft balsa apply sanding sealer finish flat black paint Finishing Since trying keep models weight low chose cover MonoKote tried find flat-finish type mentioned Don Srulls Spitfire article no luck ended up glossy stuff 144 Model Aviation Gee Bee Designed RIC Combat agile little performer can fly rings around airplane youve ever owned youre looking really spirited responsive aircraft thats easier build fly Warbird exactly what need 3 Channel RIC 19 25 36Span Mixer Included $3495 OWBIRD Showbird big gest best has rock steady pattern performance thats amazing because will rolls straight up out sight stock K & B 40 slows down like glider landing 64 inches beautiful flying wing will make look great field Precision kit 2540 engine 7 eel ol rolled plans $5995 See dealer first send check money order Pacific Air 15 Skyline Drive Woodside CA 94062 %%y 1131 NW 45 Slreet Ft Lauderdale FL 33309 1305 491-6 175 ENGINEERING TIlE LANDING SEAR PEOPLE Tired bi laildiag gears kit dust III biggie properly 0 & 0 Eaglneenllg can seIne year probleesl * Custom heBI seeds & syocs guarasleed * Straug & durable ti wilhstasd Ike leogbesl lauding * 0 & 0 Engineering gear will work & beep biggie flag * In stack roploemeellI gear popular models Ryram Pills Christie Eagle CAP 21 Ralsa USA J-3 CUB Air Tech Powece Eugle Nesee Big Stick Cbamp Cltabria & II models Snapper Stieger snapper Too painted flat Pactra Formula U covered fuselage silk gets around compound curves easily weight adds negligible fuse lage given four coats nitrate dope final finish light coat Formula U olive drab followed light coat camouflage flat tan Before painting wiped MonoKote areas acetone remove oil dirt Decals produced Dave Platt Models very close proper size model Control rods used Suliivan Gold-NRod cable type lightweight flexible can easily positioned through fuselage bulkheads cable system moving elevator rudder makes very neat installa tion like attach cable servo arms either Du-Bro Gold berg easy connectors rig con trols setup need loosen screw connector move cable fore aft get desired result Flying Did get everything lined-up properly wing tips have cor rect amount washout Are control attachment points secure Are wheels tight Dont laugh Ive seen new ship leave wheel roll ing down runway lifted off cause pre-flight check overlooked takes small item destroy three four months work Check balance point should fall between 25% 30% wing chord Dont fly ship tail-heavy rearward balance point courting snap-roll disaster sure CC correct point model tested 13-in-dia 8-in-pitch prop did very well once trimmed out Later tried 12-8 13-incher seemed put out much thrust 530 sq wing area model handles 4-lb total weight ease During test flights motor battery closely watched bit concerned might heat up too much seems stay very cooL believe Hurricane would really perform new Cobalt motors Maybe Ill try later now Im having ball straight Astro 15 gear unit dont think will have regrets build ship took Hurri cane Valley Flyers Contest California stole show youre looking fun Scale project has great looks flyabiity SAFE FLYING IS NO ACCIDENT ************* *** ** WW***W * * * * WANDITTM * *Dealers Invited * * COn yOar warranty * ~J -K *CORD *Wet DryK * Stich AbrasivesK K *A Keen Machine' gives enceptionalK *sanding control encellent finish* * * 8995 Basic OcI 1 flat Wand 1 * ritsK *10895 Builder Special mcI 2 fIat 1 half * ano wand 5 6 grtsK *12995 Delver includes 3 flar 2 halfK * nd wauds buff wanos andK -K * 6 grits * *Addtional Wands Abrasves ava ableK * e local hobby shopK *K *80015 ELMORE Eoe No 1214 288 5780K * P 0 Box 266 uite Texas 75149K K KKKKKKKKKK*K Radio Technique/Myers Continued page 39 tion selectively amplifies signals between 72 73 MHz rest gives us second stage filtering Meanwhile crystal-controlled oscillator LO receiver running fre quency precisely 455 MHz above transmitters frequency oscil lators voltage frequency injected mixer along amplified RE voltages IRE section mixer frequency present mixed other frequency present including local oscillator mixing new fre Continued page 148 August 1983 145 INTRODUCING THE NEW FOX 36 RC Schneurle Ported Ball Bearing Main BRAND NEW 36 RC.evolved highly successful Combat Special took highly successful Fox Combat Special fitted new MarkXtype carburetor made porting head modifications get run idle well no-nitro fuel Result.the powerful 36 RC market new Fox 36 RC combines power superb idling characteristics light weight.and delivers lowest cost fuels 23900 Fox 36 RO$5995 90236 TiltUp Muffler1495 90237 Tilt-Down Muffler1495 F 0 X MANUFACTURING Co 5305 TDWSON AVEFORT SMITH ARK 72901 Hot Line SOif 686-1656 IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA$20950 New 22 CID QUADRA$10950 Req 22 QUADRA $10450 Brisighelle Flywheel 012450 Req 22 QUADRA POWER ASSEMBLY ONLY 86450 QUADRA REPAIR 1000 pIes pews Jim Mesner ERCOUPEPLANS 82395 KIT $23995 Jim Messe TOMAHAWKPLANS $2395 KIT $25995 Jinx Messe 9-BALL TRAINER PLANS $1695 KIT $9995 BALSA end BASSWOOD fell siesI 35% OFF Connept FLEET PLANS $2995 KIT $15995 COWL $1995 P6W RADIAL ENGINES tar Fleet $2495 VICKERS LEWIS MACHINE GUN KITS $1495 CECONITE Podunts 10% OFF Siq J3 CUB KIT $12495 PLANS SUPER STEARMAN IGedfreyl $2095 STARDUSTER TOO IBrisighellel J3 CUB NeIit $2995 VOLKSPLANE IChinken Cherliel $2395 COCKPIT KITS Tonehewk F4U-1 Spitfire $2295 Ernoepe $2095 Steernien 82295 Citebrie $2495 J-3 Cob $2195 ME-109 $2295 Fleet $2195 US Ocedre FUEL TANKSlOne $695 32 en $795 FIBERGLASS ARROW SHAFTS 511$ s 32 long 61$1l1110 24-Hour Service. Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 VelleY View Dr Allegeny NY 14706 AU NEW cusro SCNNEURLE cox 009 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom parts Cox TD 020 049 051 & 09 engines Competition parts & accessories Combat Free Fit C/L & A/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna Hills CA 92653 Telephone 714 830-5162
Edition: Model Aviation - 1983/08
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 92, 144, 145
NO OCR TEXT NO OCR TEXT bottom can see landing gear installation radiator Reduction-belt-drive MaIro 15 provides plenty power carved foam Main wheels 2h-in-dia Robart firewall cooling air exits cockpit Futaba S-20 servo mounts wing center section Hardwood dowels trailing edge provide reinforcement hold-downs Electric Id fooling around Kraft Chipmunk very impressed silence smooth ness control flew greater urge became build something larger power little reluctant beginning tackle such Electric model after reading about success SruIls Spit fire threw caution wind Wing saddle ot 1/32 ply makes good platform mounting wing ana Deels-up ui lage Note wing hold-down points rear platform Holes alongside radio com partment give access wood screws holding servo platform rails close look will reveal dropping resistor three-position switch mounted bottom servo tray 32 Model Aviation Exhaust stacks made scrap soft balsa painted tias blacK Panel lines add realism very little weight penalty Tail wheel 1-in Robart mounted fuselage fairing Attachment rudder cable makes steerable See details plan -yijw OMEMIA~JA1 Q4JT GRASS VA IIUI19 TS NOWAYI THATLL N HIS -ITS CHUCKVOW SUREEN READIN JUSTASMIH NOTHING NEXT T END UPINAMUSEUM ALTLIHIDE WHAT BRINGS WV TUR tRIPs N MA lOCK E4DIN THEM SNAPPf MAR NE LIKE T BIJ LOER AWAY'vHERE U5 ARE NUTS JRFUNEs UJ TURN OUTALl HE FL ES NOW 15 T WVURO ITRSESf-IIEYCNIXK ON THESPA11 CANS WITH /-AND ijLEVEL-IS NKSHEELS TOCRAT -FL AT DULLES--HANKSEZ BY ALL MIANS vsritJ BALSA FIN BASE BLOCKS 5/16 X 3/8 LE STABILIZER FIVE LAMINATIONS 1/16 X /4 BALSA FIN AND RUDDER ONLY I/8x /2 BALSA RIBS 1/4 X 1/2BALSA FIN AND RUDDER POSTS 3/8 BALSA T EDGE 1PED SPRAED FRAMES HEAT PASSAGE HCLE040 BUlYRATEVii AILERON SERvo IN WING j76~ 7 N / 0 3 DUBRO SPINNER C, GEARED ASTROI5 ELECTRIC MOTOR ca C COOLING AIRMOTORFl I/B LITE-PLY INLET PORTMCflJNT SLEEFIREWALL DOUBLED TO 3/16 BALSA / I/16PLY I3/I6CY*EL DIHEDRAL/~ V8 BALSA IWINGI BRACES~4\ SHEETBETWEENMOUNT/VI6 I/8SO STRINGERS/ TO F4I/I6PLWiOODSAflCtE L MWIRE L GEAR 3/8X 3/4MAPLE BWCK- ROBART 3 I/4WNEELS 1/16 RODS ALUM lUBE IN MAST 3/32 BALSA WEBS PLASTIC OR PlY RIRtIG 2-56 SCREWS tJlO ALUM TABS 1 DOUBLED SPRUCE BOTTOM SPAR TO RIB B/ DOUBLED -fop I/4X 5/8 BALSA LEAIMNG EDGE X 1/2 BALSA SRS FOR S1B 3/8 STOCK VENTRAL FAIRING 1TAILWHEELCtJ LI6 WIRE 10 DUBRO COLLARS AND STEER FROM RUDDER 3/I6 SO BALSA DOUBLED FOR FOUR KEELS SAND FORMERSI/B BALSA SHEET FORMERS F-7 10 F-b BETWEEN STRINGERS V8 SHEET FAIRING BACK UP WING MOUNT BWCKS I/4X WITH T-NUTS 1/16 SHEET C/SECTION COVER 1/16 PLY SPAR BRS I/Bx YB BALSATE OVER I/16x SHEET TEBOTIOM U 1/16 SHEET OVER I/BAIL SPAR 1/16 SHEET OVER I/B SPAR X 3/B BALSA TIP SECTIONS I/8x 1/4 BALSA SPAR TOPS AND BOITOMS OUT 10 TIPS DJLERON BELICRANK3/32 BALSA ALL RIBS ON /16 PLWOCO EXHAUST MABAFOD- ABAPEin PIjOTS PROM SHOE PAPER s 4KIFUSELAGE TOP VIEPp MAKE ORE PROM AB LITE PLO AXIS 0411 PROM NTOFIG BALSA SlEETAS BALSAF-9 F-3P4 OMSABSSE SLNEHNF-IF-S F-2F-SFSTRRIH AXITNBNA TARA ARE 51K BALSA SHEETARTERIALBASJT chrARTORIAS SUROIS H*AORTALAIROOM TIBRIKAr 114 AMOKFINiRUD PRRMEBS PR TO P4MERIOR41111RB OMIT 2 BAYS PRO ____________________BATT CROCRAK OJYLET RANKER AJSTTMAA MAST ORIGINAL IMAKI FILERSALL BEELS MN IS IN KIA B RROI PR PILLTOP-O...SSTNIMABRO RHO 4 -LMKMATORE OF / F IN SEPT BALSA SUER UP TA AMOS-MNBAA-AK PR PHP-T-P2*11K P OARS OSSISTp MAROEK A00-L-79—--SOFT BALSA110 ILOKATIARORI 2 RART TIRAT KOIBSEB BANK01100gArMBPEO QSELAGEIDE VIEW R0 LA-ET__K__ }AMBOL S AlA MJBAOHTNI 0455CR-IRHAITLIO BALSA 3/N SOFT 5MMPOOH TSANR TO T*5NNEEL PABAIAKS/RI AT TAR SEAMS *01110 INLW PIT ARER4 $M5j~r 110 OBANKEIO BLOOTRIC MOTARHAIR SKOOFI/IN MWM/1TW BALSANOW BASSO CARMTAR1AI*IRSIBABSOF S -BRARTOMLAS AIATE EL AVIATION OASIS MM ROOMSSAKS BA 04N PIT AR RIO-FoAMHAWKER P5051K MABETI/NM/SIC---. IHURRICANE WarnOMAAA-uunrJI 0255115 SI/0 MO ROBARTALT DESIGNED S DRAWN NY STEVE CRONE ROMOLSROOMTAAIflMEL OCTAL ACING ST JOE DEMANCO DEAR DOOR OCTALha SIllS 55551111MB R F R5 0 N started full-steam Hurricane end result wasnt disappoint ment way ship came out half-pound heavier what shooting amount fixed weight contend wasnt too bad purposely went thick Clark Y airfoil plane did come out bit heavy wing could handle little no adverse effect flying characteristics Also prototype thick airfoil sec tion wanted retain sake appearance main thing about building Elec trics very conscious elements weight Fixed weight motor motor batteries RC gear going whatever adds up just isnBt way around need compensate making structure final finish lightweight possible fixed weight model 42 oz structure cov ering paint etc weighed 30 oz can see important select lightweight balsa other ma terials want model really successful could lower fixed weight over lighter wheels spinner 250 mAh flight battery etc decided stick regular commercial items just no way put words feeling get see Hurricane take off climb blue looks real feel sitting cockpit tracks straight takeoff need just touch rudder Hold little upelevator starting takeoff run As speed builds gradually release back pressure after run about 100 ft will lift off smooth silk Dont force keep climb turns shallow grab some altitude control response positive smooth watch out dont over-control ailerons quite effective should used light pressures model flies like real thing get ham-handed controls youll Abuy farm two-position motor switch works beautifully throttle back cruise4 model just leaks off altitude gradually can set up ap proach will envy everyone field Like tapered low-wing aircraft has tendency tipstall angle attack high airspeed slowdont get too slow landing approaches Keep model fly ing normal approach attitude down runway gently flair out cut 34 Model Aviation units have built sanued entire model ready covering Its wellengineered have strength needed undue weight penalty FULL-SIZE PLANS AVAILABLE. SEE PAGE 164 j3C5 Sj LAAB*TIAB SON STABILIZER B ELEVATOR TT CS STAONAB BOO-S0 SETTBAAIIEBOS FUSELAGE FRONT VIEW A-N A-B A-A BESOATOBNOTE ALL BUS MAW PAWA SflA tALSAflfl TAPES CO TO CTBAT 1W 0 R-2 R-315 -Th R-4 3dB lAS IMBAlANCE SECTION AILESOO LEBOBAS E900 Lsr BALSAOISA BALSA 5fl2 AL RABS PLASTIC COBOOT IAB MASS TIBE N S0 ,A-A BiP-IIBI IIOAOBOBIooooTCANOPY DETAIL ISO 00500CC TEA 554KB MS -BE SSOBAASAIS SCBTE BBEOIOSEOI LIBATE ONIM IAS IA-F 05 USPLO3BIIBO 10 AEON DAWET 2 OF 5 NOOEL AVIATI0I HAWKER HURRICANE Mk SCALE I5 WER ASTRO IS MOIOR DESIGNED S DRAWN BY STEW CROWE USE IAlIA SBUS ACING BY JOE DEMARCO PLAN LEFT SIDEAOE~AT ABBUIRNAB switch ease down ship also makes beautiful wheel landings dont afraid grease tail-high used following control throws Rudder /2 left right Elevator 3/4 up down Ailerons 3/4 up /2 down Throttle Switch forward po sition high speed fuselage built-up using halfshell method lightweight very strong stringers added Start laying-up fuselage keels completed lay down keels fuselage side-view plan add bulkheads respective stations Make certain 90 de grees keeL Add side keel Make sure bulkheads square glue place should now have fuselage half-shell Remove plan add kulkheads opposite side Upon completion start adding stringers alternating pattern keep sighting down main keels correcting necessary keep fuselage true will notice few stringer locations marked bulkhead drawings plans Cutting stringer notches bulkheads advance isnt recommended apt produce wavy stringers bet ter use actual stringers guide Heres Notch forward bulkhead lay stringer notch pin stringer its proper location tail post using stringer guide mark other bulkhead notches method will produce straight fuselage will look great its covered Inlay 1/8 soft balsa between stringers forward section fuselage called plans Wing fillets Ive tried ways stiff bond paper method best SPECI FICATIONS Wingspan Fuselage Length Height Wing Area Loading. Weight 60 48in 15 530sq - 20 oz/sq ft 4Y2lb PowerGeared Astro 15 RadioFutaba 6 cli ServosFour Futaba 3-20 Prop13-8 Canopy040 butyrate plastic cowl050 ASA plastic Main WheelsRobart 3% Tail WheelRobart 1 SpinnerDu-Bre 3 August1963 35 finished assembled framework seems too beautiful coverbut gets oven beautiful covered finished decorated Could pass huge Rubber model think Its lightweight strong very realistic completed method purely trial-and-error Cut out few patterns lay up against fuselage Cut little time pattern until obtain proper fillet contour sure make up fillet contour formers will help final installation fillets glued place give few coats nitrate dope will make tougher provide good base paint final finish wont able glue wing fillets until 1/32 plywood wing saddle has installed fuselage Therefore next step would build wing assembly Wing Start laminating wing spars 1A x 1/8 hard balsa spruce Next cut out dihedral joiners 1/16 plywood set aside until ribs have cut 3/32 balsa make necessary cutouts ribs gear mounting blocks lightening aileron rods go through holes Build center section first Lay down spars position ribs Cut spars dihedral breaks Af ter ribs glued add top spars Steve puts auto battery use fieldcharging Astro 15s Ni-Cds another flight charger plugs fuselage just front wing switch just behind plug Two-blade flying prop shown three-blader other pics show ply dihedral joiners joiners will extend beyond butt ribs ap proximately 5 dont cut off will glued spars outer panels Lay down spars outer pan els build units complete ailerons finished slide panels onto joiners Note spar join ers will have bent fit flush faces spars due taper outer panels Bend neces sary add glue clamp clothes pins until dry Plank center section 1/16 sheet balsa certain dihedral both panels equal Install ailer rods bellcranks servo wing built can now re turn fuselage Cut 1/32 ply wing saddle fit awaiting cavity Check fit saddle wing place shim ply neces sary obtain good fit wing Now can go back complete wing fillet Since fillet tapers rather sharply leading edge build portion scrap soft balsa blocks blending fuselage 180-grit sandpaper wrapped around 3/8-in doweL Radiator appendage fits under wing centersection doesnt have function model 36 Model Aviation Sliding canopy mechanism detailed plans Its flown open position allow flow-through cooling air Instrument panel adds nice touch realism authors Hurr4cane easy spot lineup Valley Flyers Scale Contest too much wind day fly Hurricane received lot attention Hurricane would look rather naked tried something new making radiator 2-lb-density polyure thane foam foam very easy carve shape sand After final sanding coat ala phatic-resin glue thinned water applied dry sanded 320-grit wet-or-dry paper layer silkspan applied second coat glue followed slurry water-thinned Dap vinyl paste dry sanded smooth finish sounds heavy final result really quite light radiator looks great hanging under wing Prepared way takes beau tiful finish painted could build radiator balsa block think foam better also quicker Tail surfaces model shown plans constructed tapered spars both horizontal verti cal tail surfaces started build flat upon completion found just didnt look right built another set taper little work liked end result Im sure model would fly okay flat stab rudder builders choice Canopy original model con structed sliding canopy serve two purposes vent warm air fuselage other al low access servos mounted three-abreast ply plate along two-position switch motor control method used making sliding canopy involved two lengths 3/32-in aluminum tubing rails mounted fuselage sides split down middle 1/16-in slot side 1/16-india brass tubing mounted can opy section slipped alumi mum tubing used guides used pins inserted brass tubing soldered bent 90-deg anglethe pins acted mounting points lower edge canopy idea worked well may other methods builder would prefer use sliding canopy dont install until ship completed small 1/32 ply former gets glued front canopy once installed canopy cant removed canopy frame masked sprayed olive drab dope before installation Landing gear Using pattern shown front view plan bend main gear 1/8-in music wire Bend sway braces 1 / 1 6-in music wire bind solder braces Continued page 92 Nor Cali AVIONKSS ACCUETACH 1 IITAL rACHOMET get contInuOii accurate RPM ru Out select ldle topend adjus jth dual scale capabiliWO iOOX Quality built preci sion electronics VOLTME Eate Determine ~arge yOiffr batte out Check orbat cycle TXRX tery comboS 3 MoNITOR QUICK CAR~sibleto Makes%ak battery safelyharg0 bY pack fast c volt watchinQ tiny age drop 51gnals full charge ORDER YOURS NOW 79JaId send check money order no CODs NorCal AVIONICS inc PO Box 70956 Sunnyvaie CA 94086 California residents add 6% tax Add $300 shipping outside continental USA Dealer inquiries invited August 1983 37 N Now Kit Form Savejeven easy assemble 4 channel kit expandable 7 OnIy$ 7995 service parts available past manu factured EK Logitrol radios including Logitrol manufactured Cirrus Tower Hobby Lobby radios Free servo reversing Hobby Lobby radios included service work 95 wIth large linear servos 12995 small rotary servos & 4 Four Channel Radio Wider body ends aching shoulder muscles Angled easier monitoring battery charge Designed easily accept new frequencies Servo reversing simply reversing plug Adjustable stick tension Inexpensive replacement servos 45OmU hqttery pack 600mAH & 1200mAH extra Expani Full Commana bystems509 487-2122 908 E Rosewood Spokane WA 99207 Fun/Winter Continued page 85 proportional rudder others soon after multiple propor tional controls So fair account radio control would make historical tome handful folks smatter ing electronics fiddled pulse rates pulse widths mixed both two proportional con trols have heard tell Jerry Pul lin West Coast real father proportional got act together early full-house propo rigs popped up commercially California like spring flowers will tell story very early SOs MAN asked Paul Runge what new said some guy Virginia system called Galloping Ghost turned out own AMA Executive Director John Worth solved proportional elevator rudder simul mechanical means led four-part article link age arms actuator single infamous Victory motor connected rudder elevators position transmitter stick would enable constantly threshing surfaces average out some desired flight path ground plane looked sounded like wounded duck Hams concocted strange wonder ful rigs crates example Sigfried won Nats circa 1940 15-ft giant performed first loopin public anyway crate big glassed door peeked saw huge gears made think colonial watermill Fuliarton cited MAN article reported early Nats no flights took place day because pilots ran out day light before could complete tuning equipment Good brothers Guff osten sibly rudder-only aircraft did have elevators heading photo can see through magnifying glass two relays through inspection door second tiny elevators dont recall Walt ever making eleva tor maneuver Nats dont have foggiest notion triggered second escapementun less some folks tried Goods two receivers conjures up wild notions about transmitter two frequencies point just spoke Walt Good phone Florida Yes two receivers tuned opposite ends old Amateur Band 50 56 MHz three escape ments Big Guff also clapper its spark-ignition Brown Junior sort slowed down Goods option flying either rudder/elevator rudder/engine Guff also thermal-delay engine cutoff actuated holding rudder five secondswhich tells lot about Guffs turning characteristics reason never seen Goods use rudder competition receiver acted up connected better rudder way won heading photo youll note small control box held Bill Goods hand using three close-up lenses stacked together able read words Up Down adjacent stick Almost completely hidden under Bills forefinger button switch Walt says two either buttons switches evidently rudder left hand operated rudder right elevator desired frequency automatically determined move ments controls tiny box Until glow plug came along Ray Arden flew powered FF across Van Courtland Park 1904that date precise because once interviewed Ardenhanded out sample glow plugs Minneapolis Nats 1947 thing ignition Before 1950 two sets points ignition engines two speeds world went glow-ignition bananas Crates became spongy fuel melted nitrate dopes came fuel-proofers finally buty rate dopes years no way throttle glow second escapement triggered quick blip primary escapement operated clapper choked venturi idleand few botheredthe plane blubbered along low speed cloud smoke came two needle valves above other Inside crate clapper adja cent end air line leading loW needle would close air line both needles would pour fuel badly-flooded engine Clouds smoke horrendous cleanups heartbreakers Relay contacts quickly became dirty and/or pitted due voltage spike sparks crates smashed-up flew away often made successful flights Chet Lanzo quipped radio control permitted select loca tion crash 1951 went four months successful flight al though flew weekend year tip RC historical icebergand part age escapements landmark reached late Forties Vernon McNabbs 465 hand-held outfit gained first approv al FCC license-free operation wont go incredible adven ture beyond saying flew test units before leading own Citizen airplane old MAN Sensational developments take place constantly cant see Chips stuff know take superb radio systems granted DCRC Club Open House early 70s stage displayed historic RC jobs members including Walt Good developed end line late-mark Rudder Bug fullhouse controls relatively modern proportional circa 1955 Well never forget Walt looking wistfully highwing Bug already flying Pattern other types saying what thought would come eloquent proof future cant predicted todays basic technology What changed things Cali fornian named Dunn unable dur ing SOs attend Nats amused himself revising Bonner cabin Smog Hog low-wingerthe Astro Hog Sig has Astro Hog kit knew low-wingers didnt fly After Nats deBolt phoned us MAN told him junk cabin Pattern designs Stunned murmured California has gone low-wing exaggerated thats impossible retorted Perhaps moral order make progress must watch kinds models years before very nice lowwing model won Wakefield Cup Low-wing Rubber Scale models flying 1943 design Italian fighter much inproved flown modern techniques Pat Dailey won FAC Nats WW II event Earl Stahls North American Apache best ever before war great Kingfish Sadler Little Rock successfully flying low-wing FFs Nats Dont think is aint Auto pilots Just talked Bill Hershberger early April opportunity fly transmitter computerized sticks developed fel low club member encoder board replaced computer unit face transmitter num bered buttons can program possible maneuver side other numbered buttons 1 5 enable use transmitter different airplanes Apparently takes off uses sticks normally Bill says could tell difference sticks feel own Silver 7 Until five minutes ago talking tongue-in-cheek about future Bite tongue Bill Winter 4426 Altura Ct Fairfax VA 22030 Electric Hurricane/Crowe Continued page 37 main gear legs used wire soldering lugs ends sway braces mount ply gear braces Continued page 144 92 Model Aviation The Best Custom Screen Sportswear See Us NATS will design com memorative T-Shirt club special event Call write details Corsait iesigns just some avaition designs available top quality line sportswear designs direct print eat transferl Gee Bee Warhawks Fokker DVII. P38 Christen Eagle. Pitts Special . Citabria. AT6. p-47. Steerman. Curtis Jenny . Corsair . Coaches ShirtS1295T-ShirnSB95 Ladies TopS950Long Sleeve T$795 Shorts$S95BeaeballSS95 Lined JacketS2195Football$S95 Tote Bag5795Sweetshirt$950 Tire Cover$14S5Hooded SweatSi4SS HatSS95 Wide choice colors sizes Send $100 new Illustrated Brochure Nane Address CityStateZip Design SizeColor now accept MasterCard & Visa _____ TO ORDER Send check money order add 10% postagelhandling MD res 5% tax OR CALL COLLECT after 4pm write Phase Art 17102 Earlham Ct. Upper Marlboro MD 20772 3011843-3050 FF Duration/Meuser Continued tram page i41 Award 1983 noted individuals have contributed development continuity Free Flight model airplane ac tivities throughout US world Society proud recognize achievements Reginald Denny deceased modeler designs have widely accepted both 1930s 1980s can forget Dennymite engine John Gard scientific designer Wakefield Nordic models has car ried theory aeronautics practical application through designs Don McGovern Editor Flying Models magazine years designer truly unique models designer/draftsman model plans almost anyone else John Pond grandfather OldTimers activity throughout world has pusher Free Flight since 930s George Reich dedicated modeler desire achieve championship status realized fully 1961 won Wakefield Cup USA developed rubber-powered designs have widely mimicked other modelers Lawrence Smithline name remem bered oldster today Larrys articles model construction appeared old Flying Aces Model Airplane News Air Trails yesteryear todays mod elers cut modeling teeth Larrys de signs Model Year Awards Jim Wilson Model Year Chairman National Free Flight Society announces awards 1983 International Classes FlAMatt GewainPacer 14 FiBAtain Landeau FiCAdreas Mecxner Delfsn AMA Power SmallRoman Ramirez Careo LargeHal WoodsSummerwind Doug Gaibreath744 Other Categories Hand-Phil Hainer JrKwik Flip II LaunchedPhil Hainer Sr Glider IndoorStan ChiltonSweet 16 EZ-B UnlimitedBob WhiteUnlimited UnRubberlimited ScaleDon SrullSantos DuMont SpecialEd DotbyFAI Rubber awardees have invited display discuss models NFFS Sym posium held AMA Nationals July Drawings photos stories about models will appear NFFS Sym posium Report will available Nationals mail order further information contact Jim Wilson 1030 Ave nue D Redondo Beach CA 90277 Bob Meuser 4200 Gre gory St Oakland CA 94619 Electric Hurricane/Crowe Continued page 92 wing small wood screws main gear mounted gear blocks aluminum straps screws gear fairing doors 050 ASA plastic Small metal strips soldered gear legs hold gear doors means 2-56 screws through small holes drilled straps gear doors tail wheel held Du Bro wheel collar Study plans steering arm soldered top collar picks up rudder cable steering engine cowl can carved bal sa laid-up fiberglass pulled plastic cowl model made ASA plastic pulled over wooden pattern cockpit canopy made same way isnt really lot effort carving plug have access vacu-form ma chine give try Make exhaust manifolds scrap soft balsa apply sanding sealer finish flat black paint Finishing Since trying keep models weight low chose cover MonoKote tried find flat-finish type mentioned Don Srulls Spitfire article no luck ended up glossy stuff 144 Model Aviation Gee Bee Designed RIC Combat agile little performer can fly rings around airplane youve ever owned youre looking really spirited responsive aircraft thats easier build fly Warbird exactly what need 3 Channel RIC 19 25 36Span Mixer Included $3495 OWBIRD Showbird big gest best has rock steady pattern performance thats amazing because will rolls straight up out sight stock K & B 40 slows down like glider landing 64 inches beautiful flying wing will make look great field Precision kit 2540 engine 7 eel ol rolled plans $5995 See dealer first send check money order Pacific Air 15 Skyline Drive Woodside CA 94062 %%y 1131 NW 45 Slreet Ft Lauderdale FL 33309 1305 491-6 175 ENGINEERING TIlE LANDING SEAR PEOPLE Tired bi laildiag gears kit dust III biggie properly 0 & 0 Eaglneenllg can seIne year probleesl * Custom heBI seeds & syocs guarasleed * Straug & durable ti wilhstasd Ike leogbesl lauding * 0 & 0 Engineering gear will work & beep biggie flag * In stack roploemeellI gear popular models Ryram Pills Christie Eagle CAP 21 Ralsa USA J-3 CUB Air Tech Powece Eugle Nesee Big Stick Cbamp Cltabria & II models Snapper Stieger snapper Too painted flat Pactra Formula U covered fuselage silk gets around compound curves easily weight adds negligible fuse lage given four coats nitrate dope final finish light coat Formula U olive drab followed light coat camouflage flat tan Before painting wiped MonoKote areas acetone remove oil dirt Decals produced Dave Platt Models very close proper size model Control rods used Suliivan Gold-NRod cable type lightweight flexible can easily positioned through fuselage bulkheads cable system moving elevator rudder makes very neat installa tion like attach cable servo arms either Du-Bro Gold berg easy connectors rig con trols setup need loosen screw connector move cable fore aft get desired result Flying Did get everything lined-up properly wing tips have cor rect amount washout Are control attachment points secure Are wheels tight Dont laugh Ive seen new ship leave wheel roll ing down runway lifted off cause pre-flight check overlooked takes small item destroy three four months work Check balance point should fall between 25% 30% wing chord Dont fly ship tail-heavy rearward balance point courting snap-roll disaster sure CC correct point model tested 13-in-dia 8-in-pitch prop did very well once trimmed out Later tried 12-8 13-incher seemed put out much thrust 530 sq wing area model handles 4-lb total weight ease During test flights motor battery closely watched bit concerned might heat up too much seems stay very cooL believe Hurricane would really perform new Cobalt motors Maybe Ill try later now Im having ball straight Astro 15 gear unit dont think will have regrets build ship took Hurri cane Valley Flyers Contest California stole show youre looking fun Scale project has great looks flyabiity SAFE FLYING IS NO ACCIDENT ************* *** ** WW***W * * * * WANDITTM * *Dealers Invited * * COn yOar warranty * ~J -K *CORD *Wet DryK * Stich AbrasivesK K *A Keen Machine' gives enceptionalK *sanding control encellent finish* * * 8995 Basic OcI 1 flat Wand 1 * ritsK *10895 Builder Special mcI 2 fIat 1 half * ano wand 5 6 grtsK *12995 Delver includes 3 flar 2 halfK * nd wauds buff wanos andK -K * 6 grits * *Addtional Wands Abrasves ava ableK * e local hobby shopK *K *80015 ELMORE Eoe No 1214 288 5780K * P 0 Box 266 uite Texas 75149K K KKKKKKKKKK*K Radio Technique/Myers Continued page 39 tion selectively amplifies signals between 72 73 MHz rest gives us second stage filtering Meanwhile crystal-controlled oscillator LO receiver running fre quency precisely 455 MHz above transmitters frequency oscil lators voltage frequency injected mixer along amplified RE voltages IRE section mixer frequency present mixed other frequency present including local oscillator mixing new fre Continued page 148 August 1983 145 INTRODUCING THE NEW FOX 36 RC Schneurle Ported Ball Bearing Main BRAND NEW 36 RC.evolved highly successful Combat Special took highly successful Fox Combat Special fitted new MarkXtype carburetor made porting head modifications get run idle well no-nitro fuel Result.the powerful 36 RC market new Fox 36 RC combines power superb idling characteristics light weight.and delivers lowest cost fuels 23900 Fox 36 RO$5995 90236 TiltUp Muffler1495 90237 Tilt-Down Muffler1495 F 0 X MANUFACTURING Co 5305 TDWSON AVEFORT SMITH ARK 72901 Hot Line SOif 686-1656 IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA$20950 New 22 CID QUADRA$10950 Req 22 QUADRA $10450 Brisighelle Flywheel 012450 Req 22 QUADRA POWER ASSEMBLY ONLY 86450 QUADRA REPAIR 1000 pIes pews Jim Mesner ERCOUPEPLANS 82395 KIT $23995 Jim Messe TOMAHAWKPLANS $2395 KIT $25995 Jinx Messe 9-BALL TRAINER PLANS $1695 KIT $9995 BALSA end BASSWOOD fell siesI 35% OFF Connept FLEET PLANS $2995 KIT $15995 COWL $1995 P6W RADIAL ENGINES tar Fleet $2495 VICKERS LEWIS MACHINE GUN KITS $1495 CECONITE Podunts 10% OFF Siq J3 CUB KIT $12495 PLANS SUPER STEARMAN IGedfreyl $2095 STARDUSTER TOO IBrisighellel J3 CUB NeIit $2995 VOLKSPLANE IChinken Cherliel $2395 COCKPIT KITS Tonehewk F4U-1 Spitfire $2295 Ernoepe $2095 Steernien 82295 Citebrie $2495 J-3 Cob $2195 ME-109 $2295 Fleet $2195 US Ocedre FUEL TANKSlOne $695 32 en $795 FIBERGLASS ARROW SHAFTS 511$ s 32 long 61$1l1110 24-Hour Service. Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 VelleY View Dr Allegeny NY 14706 AU NEW cusro SCNNEURLE cox 009 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom parts Cox TD 020 049 051 & 09 engines Competition parts & accessories Combat Free Fit C/L & A/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna Hills CA 92653 Telephone 714 830-5162
Edition: Model Aviation - 1983/08
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 92, 144, 145
NO OCR TEXT NO OCR TEXT bottom can see landing gear installation radiator Reduction-belt-drive MaIro 15 provides plenty power carved foam Main wheels 2h-in-dia Robart firewall cooling air exits cockpit Futaba S-20 servo mounts wing center section Hardwood dowels trailing edge provide reinforcement hold-downs Electric Id fooling around Kraft Chipmunk very impressed silence smooth ness control flew greater urge became build something larger power little reluctant beginning tackle such Electric model after reading about success SruIls Spit fire threw caution wind Wing saddle ot 1/32 ply makes good platform mounting wing ana Deels-up ui lage Note wing hold-down points rear platform Holes alongside radio com partment give access wood screws holding servo platform rails close look will reveal dropping resistor three-position switch mounted bottom servo tray 32 Model Aviation Exhaust stacks made scrap soft balsa painted tias blacK Panel lines add realism very little weight penalty Tail wheel 1-in Robart mounted fuselage fairing Attachment rudder cable makes steerable See details plan -yijw OMEMIA~JA1 Q4JT GRASS VA IIUI19 TS NOWAYI THATLL N HIS -ITS CHUCKVOW SUREEN READIN JUSTASMIH NOTHING NEXT T END UPINAMUSEUM ALTLIHIDE WHAT BRINGS WV TUR tRIPs N MA lOCK E4DIN THEM SNAPPf MAR NE LIKE T BIJ LOER AWAY'vHERE U5 ARE NUTS JRFUNEs UJ TURN OUTALl HE FL ES NOW 15 T WVURO ITRSESf-IIEYCNIXK ON THESPA11 CANS WITH /-AND ijLEVEL-IS NKSHEELS TOCRAT -FL AT DULLES--HANKSEZ BY ALL MIANS vsritJ BALSA FIN BASE BLOCKS 5/16 X 3/8 LE STABILIZER FIVE LAMINATIONS 1/16 X /4 BALSA FIN AND RUDDER ONLY I/8x /2 BALSA RIBS 1/4 X 1/2BALSA FIN AND RUDDER POSTS 3/8 BALSA T EDGE 1PED SPRAED FRAMES HEAT PASSAGE HCLE040 BUlYRATEVii AILERON SERvo IN WING j76~ 7 N / 0 3 DUBRO SPINNER C, GEARED ASTROI5 ELECTRIC MOTOR ca C COOLING AIRMOTORFl I/B LITE-PLY INLET PORTMCflJNT SLEEFIREWALL DOUBLED TO 3/16 BALSA / I/16PLY I3/I6CY*EL DIHEDRAL/~ V8 BALSA IWINGI BRACES~4\ SHEETBETWEENMOUNT/VI6 I/8SO STRINGERS/ TO F4I/I6PLWiOODSAflCtE L MWIRE L GEAR 3/8X 3/4MAPLE BWCK- ROBART 3 I/4WNEELS 1/16 RODS ALUM lUBE IN MAST 3/32 BALSA WEBS PLASTIC OR PlY RIRtIG 2-56 SCREWS tJlO ALUM TABS 1 DOUBLED SPRUCE BOTTOM SPAR TO RIB B/ DOUBLED -fop I/4X 5/8 BALSA LEAIMNG EDGE X 1/2 BALSA SRS FOR S1B 3/8 STOCK VENTRAL FAIRING 1TAILWHEELCtJ LI6 WIRE 10 DUBRO COLLARS AND STEER FROM RUDDER 3/I6 SO BALSA DOUBLED FOR FOUR KEELS SAND FORMERSI/B BALSA SHEET FORMERS F-7 10 F-b BETWEEN STRINGERS V8 SHEET FAIRING BACK UP WING MOUNT BWCKS I/4X WITH T-NUTS 1/16 SHEET C/SECTION COVER 1/16 PLY SPAR BRS I/Bx YB BALSATE OVER I/16x SHEET TEBOTIOM U 1/16 SHEET OVER I/BAIL SPAR 1/16 SHEET OVER I/B SPAR X 3/B BALSA TIP SECTIONS I/8x 1/4 BALSA SPAR TOPS AND BOITOMS OUT 10 TIPS DJLERON BELICRANK3/32 BALSA ALL RIBS ON /16 PLWOCO EXHAUST MABAFOD- ABAPEin PIjOTS PROM SHOE PAPER s 4KIFUSELAGE TOP VIEPp MAKE ORE PROM AB LITE PLO AXIS 0411 PROM NTOFIG BALSA SlEETAS BALSAF-9 F-3P4 OMSABSSE SLNEHNF-IF-S F-2F-SFSTRRIH AXITNBNA TARA ARE 51K BALSA SHEETARTERIALBASJT chrARTORIAS SUROIS H*AORTALAIROOM TIBRIKAr 114 AMOKFINiRUD PRRMEBS PR TO P4MERIOR41111RB OMIT 2 BAYS PRO ____________________BATT CROCRAK OJYLET RANKER AJSTTMAA MAST ORIGINAL IMAKI FILERSALL BEELS MN IS IN KIA B RROI PR PILLTOP-O...SSTNIMABRO RHO 4 -LMKMATORE OF / F IN SEPT BALSA SUER UP TA AMOS-MNBAA-AK PR PHP-T-P2*11K P OARS OSSISTp MAROEK A00-L-79—--SOFT BALSA110 ILOKATIARORI 2 RART TIRAT KOIBSEB BANK01100gArMBPEO QSELAGEIDE VIEW R0 LA-ET__K__ }AMBOL S AlA MJBAOHTNI 0455CR-IRHAITLIO BALSA 3/N SOFT 5MMPOOH TSANR TO T*5NNEEL PABAIAKS/RI AT TAR SEAMS *01110 INLW PIT ARER4 $M5j~r 110 OBANKEIO BLOOTRIC MOTARHAIR SKOOFI/IN MWM/1TW BALSANOW BASSO CARMTAR1AI*IRSIBABSOF S -BRARTOMLAS AIATE EL AVIATION OASIS MM ROOMSSAKS BA 04N PIT AR RIO-FoAMHAWKER P5051K MABETI/NM/SIC---. IHURRICANE WarnOMAAA-uunrJI 0255115 SI/0 MO ROBARTALT DESIGNED S DRAWN NY STEVE CRONE ROMOLSROOMTAAIflMEL OCTAL ACING ST JOE DEMANCO DEAR DOOR OCTALha SIllS 55551111MB R F R5 0 N started full-steam Hurricane end result wasnt disappoint ment way ship came out half-pound heavier what shooting amount fixed weight contend wasnt too bad purposely went thick Clark Y airfoil plane did come out bit heavy wing could handle little no adverse effect flying characteristics Also prototype thick airfoil sec tion wanted retain sake appearance main thing about building Elec trics very conscious elements weight Fixed weight motor motor batteries RC gear going whatever adds up just isnBt way around need compensate making structure final finish lightweight possible fixed weight model 42 oz structure cov ering paint etc weighed 30 oz can see important select lightweight balsa other ma terials want model really successful could lower fixed weight over lighter wheels spinner 250 mAh flight battery etc decided stick regular commercial items just no way put words feeling get see Hurricane take off climb blue looks real feel sitting cockpit tracks straight takeoff need just touch rudder Hold little upelevator starting takeoff run As speed builds gradually release back pressure after run about 100 ft will lift off smooth silk Dont force keep climb turns shallow grab some altitude control response positive smooth watch out dont over-control ailerons quite effective should used light pressures model flies like real thing get ham-handed controls youll Abuy farm two-position motor switch works beautifully throttle back cruise4 model just leaks off altitude gradually can set up ap proach will envy everyone field Like tapered low-wing aircraft has tendency tipstall angle attack high airspeed slowdont get too slow landing approaches Keep model fly ing normal approach attitude down runway gently flair out cut 34 Model Aviation units have built sanued entire model ready covering Its wellengineered have strength needed undue weight penalty FULL-SIZE PLANS AVAILABLE. SEE PAGE 164 j3C5 Sj LAAB*TIAB SON STABILIZER B ELEVATOR TT CS STAONAB BOO-S0 SETTBAAIIEBOS FUSELAGE FRONT VIEW A-N A-B A-A BESOATOBNOTE ALL BUS MAW PAWA SflA tALSAflfl TAPES CO TO CTBAT 1W 0 R-2 R-315 -Th R-4 3dB lAS IMBAlANCE SECTION AILESOO LEBOBAS E900 Lsr BALSAOISA BALSA 5fl2 AL RABS PLASTIC COBOOT IAB MASS TIBE N S0 ,A-A BiP-IIBI IIOAOBOBIooooTCANOPY DETAIL ISO 00500CC TEA 554KB MS -BE SSOBAASAIS SCBTE BBEOIOSEOI LIBATE ONIM IAS IA-F 05 USPLO3BIIBO 10 AEON DAWET 2 OF 5 NOOEL AVIATI0I HAWKER HURRICANE Mk SCALE I5 WER ASTRO IS MOIOR DESIGNED S DRAWN BY STEW CROWE USE IAlIA SBUS ACING BY JOE DEMARCO PLAN LEFT SIDEAOE~AT ABBUIRNAB switch ease down ship also makes beautiful wheel landings dont afraid grease tail-high used following control throws Rudder /2 left right Elevator 3/4 up down Ailerons 3/4 up /2 down Throttle Switch forward po sition high speed fuselage built-up using halfshell method lightweight very strong stringers added Start laying-up fuselage keels completed lay down keels fuselage side-view plan add bulkheads respective stations Make certain 90 de grees keeL Add side keel Make sure bulkheads square glue place should now have fuselage half-shell Remove plan add kulkheads opposite side Upon completion start adding stringers alternating pattern keep sighting down main keels correcting necessary keep fuselage true will notice few stringer locations marked bulkhead drawings plans Cutting stringer notches bulkheads advance isnt recommended apt produce wavy stringers bet ter use actual stringers guide Heres Notch forward bulkhead lay stringer notch pin stringer its proper location tail post using stringer guide mark other bulkhead notches method will produce straight fuselage will look great its covered Inlay 1/8 soft balsa between stringers forward section fuselage called plans Wing fillets Ive tried ways stiff bond paper method best SPECI FICATIONS Wingspan Fuselage Length Height Wing Area Loading. Weight 60 48in 15 530sq - 20 oz/sq ft 4Y2lb PowerGeared Astro 15 RadioFutaba 6 cli ServosFour Futaba 3-20 Prop13-8 Canopy040 butyrate plastic cowl050 ASA plastic Main WheelsRobart 3% Tail WheelRobart 1 SpinnerDu-Bre 3 August1963 35 finished assembled framework seems too beautiful coverbut gets oven beautiful covered finished decorated Could pass huge Rubber model think Its lightweight strong very realistic completed method purely trial-and-error Cut out few patterns lay up against fuselage Cut little time pattern until obtain proper fillet contour sure make up fillet contour formers will help final installation fillets glued place give few coats nitrate dope will make tougher provide good base paint final finish wont able glue wing fillets until 1/32 plywood wing saddle has installed fuselage Therefore next step would build wing assembly Wing Start laminating wing spars 1A x 1/8 hard balsa spruce Next cut out dihedral joiners 1/16 plywood set aside until ribs have cut 3/32 balsa make necessary cutouts ribs gear mounting blocks lightening aileron rods go through holes Build center section first Lay down spars position ribs Cut spars dihedral breaks Af ter ribs glued add top spars Steve puts auto battery use fieldcharging Astro 15s Ni-Cds another flight charger plugs fuselage just front wing switch just behind plug Two-blade flying prop shown three-blader other pics show ply dihedral joiners joiners will extend beyond butt ribs ap proximately 5 dont cut off will glued spars outer panels Lay down spars outer pan els build units complete ailerons finished slide panels onto joiners Note spar join ers will have bent fit flush faces spars due taper outer panels Bend neces sary add glue clamp clothes pins until dry Plank center section 1/16 sheet balsa certain dihedral both panels equal Install ailer rods bellcranks servo wing built can now re turn fuselage Cut 1/32 ply wing saddle fit awaiting cavity Check fit saddle wing place shim ply neces sary obtain good fit wing Now can go back complete wing fillet Since fillet tapers rather sharply leading edge build portion scrap soft balsa blocks blending fuselage 180-grit sandpaper wrapped around 3/8-in doweL Radiator appendage fits under wing centersection doesnt have function model 36 Model Aviation Sliding canopy mechanism detailed plans Its flown open position allow flow-through cooling air Instrument panel adds nice touch realism authors Hurr4cane easy spot lineup Valley Flyers Scale Contest too much wind day fly Hurricane received lot attention Hurricane would look rather naked tried something new making radiator 2-lb-density polyure thane foam foam very easy carve shape sand After final sanding coat ala phatic-resin glue thinned water applied dry sanded 320-grit wet-or-dry paper layer silkspan applied second coat glue followed slurry water-thinned Dap vinyl paste dry sanded smooth finish sounds heavy final result really quite light radiator looks great hanging under wing Prepared way takes beau tiful finish painted could build radiator balsa block think foam better also quicker Tail surfaces model shown plans constructed tapered spars both horizontal verti cal tail surfaces started build flat upon completion found just didnt look right built another set taper little work liked end result Im sure model would fly okay flat stab rudder builders choice Canopy original model con structed sliding canopy serve two purposes vent warm air fuselage other al low access servos mounted three-abreast ply plate along two-position switch motor control method used making sliding canopy involved two lengths 3/32-in aluminum tubing rails mounted fuselage sides split down middle 1/16-in slot side 1/16-india brass tubing mounted can opy section slipped alumi mum tubing used guides used pins inserted brass tubing soldered bent 90-deg anglethe pins acted mounting points lower edge canopy idea worked well may other methods builder would prefer use sliding canopy dont install until ship completed small 1/32 ply former gets glued front canopy once installed canopy cant removed canopy frame masked sprayed olive drab dope before installation Landing gear Using pattern shown front view plan bend main gear 1/8-in music wire Bend sway braces 1 / 1 6-in music wire bind solder braces Continued page 92 Nor Cali AVIONKSS ACCUETACH 1 IITAL rACHOMET get contInuOii accurate RPM ru Out select ldle topend adjus jth dual scale capabiliWO iOOX Quality built preci sion electronics VOLTME Eate Determine ~arge yOiffr batte out Check orbat cycle TXRX tery comboS 3 MoNITOR QUICK CAR~sibleto Makes%ak battery safelyharg0 bY pack fast c volt watchinQ tiny age drop 51gnals full charge ORDER YOURS NOW 79JaId send check money order no CODs NorCal AVIONICS inc PO Box 70956 Sunnyvaie CA 94086 California residents add 6% tax Add $300 shipping outside continental USA Dealer inquiries invited August 1983 37 N Now Kit Form Savejeven easy assemble 4 channel kit expandable 7 OnIy$ 7995 service parts available past manu factured EK Logitrol radios including Logitrol manufactured Cirrus Tower Hobby Lobby radios Free servo reversing Hobby Lobby radios included service work 95 wIth large linear servos 12995 small rotary servos & 4 Four Channel Radio Wider body ends aching shoulder muscles Angled easier monitoring battery charge Designed easily accept new frequencies Servo reversing simply reversing plug Adjustable stick tension Inexpensive replacement servos 45OmU hqttery pack 600mAH & 1200mAH extra Expani Full Commana bystems509 487-2122 908 E Rosewood Spokane WA 99207 Fun/Winter Continued page 85 proportional rudder others soon after multiple propor tional controls So fair account radio control would make historical tome handful folks smatter ing electronics fiddled pulse rates pulse widths mixed both two proportional con trols have heard tell Jerry Pul lin West Coast real father proportional got act together early full-house propo rigs popped up commercially California like spring flowers will tell story very early SOs MAN asked Paul Runge what new said some guy Virginia system called Galloping Ghost turned out own AMA Executive Director John Worth solved proportional elevator rudder simul mechanical means led four-part article link age arms actuator single infamous Victory motor connected rudder elevators position transmitter stick would enable constantly threshing surfaces average out some desired flight path ground plane looked sounded like wounded duck Hams concocted strange wonder ful rigs crates example Sigfried won Nats circa 1940 15-ft giant performed first loopin public anyway crate big glassed door peeked saw huge gears made think colonial watermill Fuliarton cited MAN article reported early Nats no flights took place day because pilots ran out day light before could complete tuning equipment Good brothers Guff osten sibly rudder-only aircraft did have elevators heading photo can see through magnifying glass two relays through inspection door second tiny elevators dont recall Walt ever making eleva tor maneuver Nats dont have foggiest notion triggered second escapementun less some folks tried Goods two receivers conjures up wild notions about transmitter two frequencies point just spoke Walt Good phone Florida Yes two receivers tuned opposite ends old Amateur Band 50 56 MHz three escape ments Big Guff also clapper its spark-ignition Brown Junior sort slowed down Goods option flying either rudder/elevator rudder/engine Guff also thermal-delay engine cutoff actuated holding rudder five secondswhich tells lot about Guffs turning characteristics reason never seen Goods use rudder competition receiver acted up connected better rudder way won heading photo youll note small control box held Bill Goods hand using three close-up lenses stacked together able read words Up Down adjacent stick Almost completely hidden under Bills forefinger button switch Walt says two either buttons switches evidently rudder left hand operated rudder right elevator desired frequency automatically determined move ments controls tiny box Until glow plug came along Ray Arden flew powered FF across Van Courtland Park 1904that date precise because once interviewed Ardenhanded out sample glow plugs Minneapolis Nats 1947 thing ignition Before 1950 two sets points ignition engines two speeds world went glow-ignition bananas Crates became spongy fuel melted nitrate dopes came fuel-proofers finally buty rate dopes years no way throttle glow second escapement triggered quick blip primary escapement operated clapper choked venturi idleand few botheredthe plane blubbered along low speed cloud smoke came two needle valves above other Inside crate clapper adja cent end air line leading loW needle would close air line both needles would pour fuel badly-flooded engine Clouds smoke horrendous cleanups heartbreakers Relay contacts quickly became dirty and/or pitted due voltage spike sparks crates smashed-up flew away often made successful flights Chet Lanzo quipped radio control permitted select loca tion crash 1951 went four months successful flight al though flew weekend year tip RC historical icebergand part age escapements landmark reached late Forties Vernon McNabbs 465 hand-held outfit gained first approv al FCC license-free operation wont go incredible adven ture beyond saying flew test units before leading own Citizen airplane old MAN Sensational developments take place constantly cant see Chips stuff know take superb radio systems granted DCRC Club Open House early 70s stage displayed historic RC jobs members including Walt Good developed end line late-mark Rudder Bug fullhouse controls relatively modern proportional circa 1955 Well never forget Walt looking wistfully highwing Bug already flying Pattern other types saying what thought would come eloquent proof future cant predicted todays basic technology What changed things Cali fornian named Dunn unable dur ing SOs attend Nats amused himself revising Bonner cabin Smog Hog low-wingerthe Astro Hog Sig has Astro Hog kit knew low-wingers didnt fly After Nats deBolt phoned us MAN told him junk cabin Pattern designs Stunned murmured California has gone low-wing exaggerated thats impossible retorted Perhaps moral order make progress must watch kinds models years before very nice lowwing model won Wakefield Cup Low-wing Rubber Scale models flying 1943 design Italian fighter much inproved flown modern techniques Pat Dailey won FAC Nats WW II event Earl Stahls North American Apache best ever before war great Kingfish Sadler Little Rock successfully flying low-wing FFs Nats Dont think is aint Auto pilots Just talked Bill Hershberger early April opportunity fly transmitter computerized sticks developed fel low club member encoder board replaced computer unit face transmitter num bered buttons can program possible maneuver side other numbered buttons 1 5 enable use transmitter different airplanes Apparently takes off uses sticks normally Bill says could tell difference sticks feel own Silver 7 Until five minutes ago talking tongue-in-cheek about future Bite tongue Bill Winter 4426 Altura Ct Fairfax VA 22030 Electric Hurricane/Crowe Continued page 37 main gear legs used wire soldering lugs ends sway braces mount ply gear braces Continued page 144 92 Model Aviation The Best Custom Screen Sportswear See Us NATS will design com memorative T-Shirt club special event Call write details Corsait iesigns just some avaition designs available top quality line sportswear designs direct print eat transferl Gee Bee Warhawks Fokker DVII. P38 Christen Eagle. Pitts Special . Citabria. AT6. p-47. Steerman. Curtis Jenny . Corsair . Coaches ShirtS1295T-ShirnSB95 Ladies TopS950Long Sleeve T$795 Shorts$S95BeaeballSS95 Lined JacketS2195Football$S95 Tote Bag5795Sweetshirt$950 Tire Cover$14S5Hooded SweatSi4SS HatSS95 Wide choice colors sizes Send $100 new Illustrated Brochure Nane Address CityStateZip Design SizeColor now accept MasterCard & Visa _____ TO ORDER Send check money order add 10% postagelhandling MD res 5% tax OR CALL COLLECT after 4pm write Phase Art 17102 Earlham Ct. Upper Marlboro MD 20772 3011843-3050 FF Duration/Meuser Continued tram page i41 Award 1983 noted individuals have contributed development continuity Free Flight model airplane ac tivities throughout US world Society proud recognize achievements Reginald Denny deceased modeler designs have widely accepted both 1930s 1980s can forget Dennymite engine John Gard scientific designer Wakefield Nordic models has car ried theory aeronautics practical application through designs Don McGovern Editor Flying Models magazine years designer truly unique models designer/draftsman model plans almost anyone else John Pond grandfather OldTimers activity throughout world has pusher Free Flight since 930s George Reich dedicated modeler desire achieve championship status realized fully 1961 won Wakefield Cup USA developed rubber-powered designs have widely mimicked other modelers Lawrence Smithline name remem bered oldster today Larrys articles model construction appeared old Flying Aces Model Airplane News Air Trails yesteryear todays mod elers cut modeling teeth Larrys de signs Model Year Awards Jim Wilson Model Year Chairman National Free Flight Society announces awards 1983 International Classes FlAMatt GewainPacer 14 FiBAtain Landeau FiCAdreas Mecxner Delfsn AMA Power SmallRoman Ramirez Careo LargeHal WoodsSummerwind Doug Gaibreath744 Other Categories Hand-Phil Hainer JrKwik Flip II LaunchedPhil Hainer Sr Glider IndoorStan ChiltonSweet 16 EZ-B UnlimitedBob WhiteUnlimited UnRubberlimited ScaleDon SrullSantos DuMont SpecialEd DotbyFAI Rubber awardees have invited display discuss models NFFS Sym posium held AMA Nationals July Drawings photos stories about models will appear NFFS Sym posium Report will available Nationals mail order further information contact Jim Wilson 1030 Ave nue D Redondo Beach CA 90277 Bob Meuser 4200 Gre gory St Oakland CA 94619 Electric Hurricane/Crowe Continued page 92 wing small wood screws main gear mounted gear blocks aluminum straps screws gear fairing doors 050 ASA plastic Small metal strips soldered gear legs hold gear doors means 2-56 screws through small holes drilled straps gear doors tail wheel held Du Bro wheel collar Study plans steering arm soldered top collar picks up rudder cable steering engine cowl can carved bal sa laid-up fiberglass pulled plastic cowl model made ASA plastic pulled over wooden pattern cockpit canopy made same way isnt really lot effort carving plug have access vacu-form ma chine give try Make exhaust manifolds scrap soft balsa apply sanding sealer finish flat black paint Finishing Since trying keep models weight low chose cover MonoKote tried find flat-finish type mentioned Don Srulls Spitfire article no luck ended up glossy stuff 144 Model Aviation Gee Bee Designed RIC Combat agile little performer can fly rings around airplane youve ever owned youre looking really spirited responsive aircraft thats easier build fly Warbird exactly what need 3 Channel RIC 19 25 36Span Mixer Included $3495 OWBIRD Showbird big gest best has rock steady pattern performance thats amazing because will rolls straight up out sight stock K & B 40 slows down like glider landing 64 inches beautiful flying wing will make look great field Precision kit 2540 engine 7 eel ol rolled plans $5995 See dealer first send check money order Pacific Air 15 Skyline Drive Woodside CA 94062 %%y 1131 NW 45 Slreet Ft Lauderdale FL 33309 1305 491-6 175 ENGINEERING TIlE LANDING SEAR PEOPLE Tired bi laildiag gears kit dust III biggie properly 0 & 0 Eaglneenllg can seIne year probleesl * Custom heBI seeds & syocs guarasleed * Straug & durable ti wilhstasd Ike leogbesl lauding * 0 & 0 Engineering gear will work & beep biggie flag * In stack roploemeellI gear popular models Ryram Pills Christie Eagle CAP 21 Ralsa USA J-3 CUB Air Tech Powece Eugle Nesee Big Stick Cbamp Cltabria & II models Snapper Stieger snapper Too painted flat Pactra Formula U covered fuselage silk gets around compound curves easily weight adds negligible fuse lage given four coats nitrate dope final finish light coat Formula U olive drab followed light coat camouflage flat tan Before painting wiped MonoKote areas acetone remove oil dirt Decals produced Dave Platt Models very close proper size model Control rods used Suliivan Gold-NRod cable type lightweight flexible can easily positioned through fuselage bulkheads cable system moving elevator rudder makes very neat installa tion like attach cable servo arms either Du-Bro Gold berg easy connectors rig con trols setup need loosen screw connector move cable fore aft get desired result Flying Did get everything lined-up properly wing tips have cor rect amount washout Are control attachment points secure Are wheels tight Dont laugh Ive seen new ship leave wheel roll ing down runway lifted off cause pre-flight check overlooked takes small item destroy three four months work Check balance point should fall between 25% 30% wing chord Dont fly ship tail-heavy rearward balance point courting snap-roll disaster sure CC correct point model tested 13-in-dia 8-in-pitch prop did very well once trimmed out Later tried 12-8 13-incher seemed put out much thrust 530 sq wing area model handles 4-lb total weight ease During test flights motor battery closely watched bit concerned might heat up too much seems stay very cooL believe Hurricane would really perform new Cobalt motors Maybe Ill try later now Im having ball straight Astro 15 gear unit dont think will have regrets build ship took Hurri cane Valley Flyers Contest California stole show youre looking fun Scale project has great looks flyabiity SAFE FLYING IS NO ACCIDENT ************* *** ** WW***W * * * * WANDITTM * *Dealers Invited * * COn yOar warranty * ~J -K *CORD *Wet DryK * Stich AbrasivesK K *A Keen Machine' gives enceptionalK *sanding control encellent finish* * * 8995 Basic OcI 1 flat Wand 1 * ritsK *10895 Builder Special mcI 2 fIat 1 half * ano wand 5 6 grtsK *12995 Delver includes 3 flar 2 halfK * nd wauds buff wanos andK -K * 6 grits * *Addtional Wands Abrasves ava ableK * e local hobby shopK *K *80015 ELMORE Eoe No 1214 288 5780K * P 0 Box 266 uite Texas 75149K K KKKKKKKKKK*K Radio Technique/Myers Continued page 39 tion selectively amplifies signals between 72 73 MHz rest gives us second stage filtering Meanwhile crystal-controlled oscillator LO receiver running fre quency precisely 455 MHz above transmitters frequency oscil lators voltage frequency injected mixer along amplified RE voltages IRE section mixer frequency present mixed other frequency present including local oscillator mixing new fre Continued page 148 August 1983 145 INTRODUCING THE NEW FOX 36 RC Schneurle Ported Ball Bearing Main BRAND NEW 36 RC.evolved highly successful Combat Special took highly successful Fox Combat Special fitted new MarkXtype carburetor made porting head modifications get run idle well no-nitro fuel Result.the powerful 36 RC market new Fox 36 RC combines power superb idling characteristics light weight.and delivers lowest cost fuels 23900 Fox 36 RO$5995 90236 TiltUp Muffler1495 90237 Tilt-Down Muffler1495 F 0 X MANUFACTURING Co 5305 TDWSON AVEFORT SMITH ARK 72901 Hot Line SOif 686-1656 IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA$20950 New 22 CID QUADRA$10950 Req 22 QUADRA $10450 Brisighelle Flywheel 012450 Req 22 QUADRA POWER ASSEMBLY ONLY 86450 QUADRA REPAIR 1000 pIes pews Jim Mesner ERCOUPEPLANS 82395 KIT $23995 Jim Messe TOMAHAWKPLANS $2395 KIT $25995 Jinx Messe 9-BALL TRAINER PLANS $1695 KIT $9995 BALSA end BASSWOOD fell siesI 35% OFF Connept FLEET PLANS $2995 KIT $15995 COWL $1995 P6W RADIAL ENGINES tar Fleet $2495 VICKERS LEWIS MACHINE GUN KITS $1495 CECONITE Podunts 10% OFF Siq J3 CUB KIT $12495 PLANS SUPER STEARMAN IGedfreyl $2095 STARDUSTER TOO IBrisighellel J3 CUB NeIit $2995 VOLKSPLANE IChinken Cherliel $2395 COCKPIT KITS Tonehewk F4U-1 Spitfire $2295 Ernoepe $2095 Steernien 82295 Citebrie $2495 J-3 Cob $2195 ME-109 $2295 Fleet $2195 US Ocedre FUEL TANKSlOne $695 32 en $795 FIBERGLASS ARROW SHAFTS 511$ s 32 long 61$1l1110 24-Hour Service. Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 VelleY View Dr Allegeny NY 14706 AU NEW cusro SCNNEURLE cox 009 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom parts Cox TD 020 049 051 & 09 engines Competition parts & accessories Combat Free Fit C/L & A/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna Hills CA 92653 Telephone 714 830-5162
Edition: Model Aviation - 1983/08
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 92, 144, 145
NO OCR TEXT NO OCR TEXT bottom can see landing gear installation radiator Reduction-belt-drive MaIro 15 provides plenty power carved foam Main wheels 2h-in-dia Robart firewall cooling air exits cockpit Futaba S-20 servo mounts wing center section Hardwood dowels trailing edge provide reinforcement hold-downs Electric Id fooling around Kraft Chipmunk very impressed silence smooth ness control flew greater urge became build something larger power little reluctant beginning tackle such Electric model after reading about success SruIls Spit fire threw caution wind Wing saddle ot 1/32 ply makes good platform mounting wing ana Deels-up ui lage Note wing hold-down points rear platform Holes alongside radio com partment give access wood screws holding servo platform rails close look will reveal dropping resistor three-position switch mounted bottom servo tray 32 Model Aviation Exhaust stacks made scrap soft balsa painted tias blacK Panel lines add realism very little weight penalty Tail wheel 1-in Robart mounted fuselage fairing Attachment rudder cable makes steerable See details plan -yijw OMEMIA~JA1 Q4JT GRASS VA IIUI19 TS NOWAYI THATLL N HIS -ITS CHUCKVOW SUREEN READIN JUSTASMIH NOTHING NEXT T END UPINAMUSEUM ALTLIHIDE WHAT BRINGS WV TUR tRIPs N MA lOCK E4DIN THEM SNAPPf MAR NE LIKE T BIJ LOER AWAY'vHERE U5 ARE NUTS JRFUNEs UJ TURN OUTALl HE FL ES NOW 15 T WVURO ITRSESf-IIEYCNIXK ON THESPA11 CANS WITH /-AND ijLEVEL-IS NKSHEELS TOCRAT -FL AT DULLES--HANKSEZ BY ALL MIANS vsritJ BALSA FIN BASE BLOCKS 5/16 X 3/8 LE STABILIZER FIVE LAMINATIONS 1/16 X /4 BALSA FIN AND RUDDER ONLY I/8x /2 BALSA RIBS 1/4 X 1/2BALSA FIN AND RUDDER POSTS 3/8 BALSA T EDGE 1PED SPRAED FRAMES HEAT PASSAGE HCLE040 BUlYRATEVii AILERON SERvo IN WING j76~ 7 N / 0 3 DUBRO SPINNER C, GEARED ASTROI5 ELECTRIC MOTOR ca C COOLING AIRMOTORFl I/B LITE-PLY INLET PORTMCflJNT SLEEFIREWALL DOUBLED TO 3/16 BALSA / I/16PLY I3/I6CY*EL DIHEDRAL/~ V8 BALSA IWINGI BRACES~4\ SHEETBETWEENMOUNT/VI6 I/8SO STRINGERS/ TO F4I/I6PLWiOODSAflCtE L MWIRE L GEAR 3/8X 3/4MAPLE BWCK- ROBART 3 I/4WNEELS 1/16 RODS ALUM lUBE IN MAST 3/32 BALSA WEBS PLASTIC OR PlY RIRtIG 2-56 SCREWS tJlO ALUM TABS 1 DOUBLED SPRUCE BOTTOM SPAR TO RIB B/ DOUBLED -fop I/4X 5/8 BALSA LEAIMNG EDGE X 1/2 BALSA SRS FOR S1B 3/8 STOCK VENTRAL FAIRING 1TAILWHEELCtJ LI6 WIRE 10 DUBRO COLLARS AND STEER FROM RUDDER 3/I6 SO BALSA DOUBLED FOR FOUR KEELS SAND FORMERSI/B BALSA SHEET FORMERS F-7 10 F-b BETWEEN STRINGERS V8 SHEET FAIRING BACK UP WING MOUNT BWCKS I/4X WITH T-NUTS 1/16 SHEET C/SECTION COVER 1/16 PLY SPAR BRS I/Bx YB BALSATE OVER I/16x SHEET TEBOTIOM U 1/16 SHEET OVER I/BAIL SPAR 1/16 SHEET OVER I/B SPAR X 3/B BALSA TIP SECTIONS I/8x 1/4 BALSA SPAR TOPS AND BOITOMS OUT 10 TIPS DJLERON BELICRANK3/32 BALSA ALL RIBS ON /16 PLWOCO EXHAUST MABAFOD- ABAPEin PIjOTS PROM SHOE PAPER s 4KIFUSELAGE TOP VIEPp MAKE ORE PROM AB LITE PLO AXIS 0411 PROM NTOFIG BALSA SlEETAS BALSAF-9 F-3P4 OMSABSSE SLNEHNF-IF-S F-2F-SFSTRRIH AXITNBNA TARA ARE 51K BALSA SHEETARTERIALBASJT chrARTORIAS SUROIS H*AORTALAIROOM TIBRIKAr 114 AMOKFINiRUD PRRMEBS PR TO P4MERIOR41111RB OMIT 2 BAYS PRO ____________________BATT CROCRAK OJYLET RANKER AJSTTMAA MAST ORIGINAL IMAKI FILERSALL BEELS MN IS IN KIA B RROI PR PILLTOP-O...SSTNIMABRO RHO 4 -LMKMATORE OF / F IN SEPT BALSA SUER UP TA AMOS-MNBAA-AK PR PHP-T-P2*11K P OARS OSSISTp MAROEK A00-L-79—--SOFT BALSA110 ILOKATIARORI 2 RART TIRAT KOIBSEB BANK01100gArMBPEO QSELAGEIDE VIEW R0 LA-ET__K__ }AMBOL S AlA MJBAOHTNI 0455CR-IRHAITLIO BALSA 3/N SOFT 5MMPOOH TSANR TO T*5NNEEL PABAIAKS/RI AT TAR SEAMS *01110 INLW PIT ARER4 $M5j~r 110 OBANKEIO BLOOTRIC MOTARHAIR SKOOFI/IN MWM/1TW BALSANOW BASSO CARMTAR1AI*IRSIBABSOF S -BRARTOMLAS AIATE EL AVIATION OASIS MM ROOMSSAKS BA 04N PIT AR RIO-FoAMHAWKER P5051K MABETI/NM/SIC---. IHURRICANE WarnOMAAA-uunrJI 0255115 SI/0 MO ROBARTALT DESIGNED S DRAWN NY STEVE CRONE ROMOLSROOMTAAIflMEL OCTAL ACING ST JOE DEMANCO DEAR DOOR OCTALha SIllS 55551111MB R F R5 0 N started full-steam Hurricane end result wasnt disappoint ment way ship came out half-pound heavier what shooting amount fixed weight contend wasnt too bad purposely went thick Clark Y airfoil plane did come out bit heavy wing could handle little no adverse effect flying characteristics Also prototype thick airfoil sec tion wanted retain sake appearance main thing about building Elec trics very conscious elements weight Fixed weight motor motor batteries RC gear going whatever adds up just isnBt way around need compensate making structure final finish lightweight possible fixed weight model 42 oz structure cov ering paint etc weighed 30 oz can see important select lightweight balsa other ma terials want model really successful could lower fixed weight over lighter wheels spinner 250 mAh flight battery etc decided stick regular commercial items just no way put words feeling get see Hurricane take off climb blue looks real feel sitting cockpit tracks straight takeoff need just touch rudder Hold little upelevator starting takeoff run As speed builds gradually release back pressure after run about 100 ft will lift off smooth silk Dont force keep climb turns shallow grab some altitude control response positive smooth watch out dont over-control ailerons quite effective should used light pressures model flies like real thing get ham-handed controls youll Abuy farm two-position motor switch works beautifully throttle back cruise4 model just leaks off altitude gradually can set up ap proach will envy everyone field Like tapered low-wing aircraft has tendency tipstall angle attack high airspeed slowdont get too slow landing approaches Keep model fly ing normal approach attitude down runway gently flair out cut 34 Model Aviation units have built sanued entire model ready covering Its wellengineered have strength needed undue weight penalty FULL-SIZE PLANS AVAILABLE. SEE PAGE 164 j3C5 Sj LAAB*TIAB SON STABILIZER B ELEVATOR TT CS STAONAB BOO-S0 SETTBAAIIEBOS FUSELAGE FRONT VIEW A-N A-B A-A BESOATOBNOTE ALL BUS MAW PAWA SflA tALSAflfl TAPES CO TO CTBAT 1W 0 R-2 R-315 -Th R-4 3dB lAS IMBAlANCE SECTION AILESOO LEBOBAS E900 Lsr BALSAOISA BALSA 5fl2 AL RABS PLASTIC COBOOT IAB MASS TIBE N S0 ,A-A BiP-IIBI IIOAOBOBIooooTCANOPY DETAIL ISO 00500CC TEA 554KB MS -BE SSOBAASAIS SCBTE BBEOIOSEOI LIBATE ONIM IAS IA-F 05 USPLO3BIIBO 10 AEON DAWET 2 OF 5 NOOEL AVIATI0I HAWKER HURRICANE Mk SCALE I5 WER ASTRO IS MOIOR DESIGNED S DRAWN BY STEW CROWE USE IAlIA SBUS ACING BY JOE DEMARCO PLAN LEFT SIDEAOE~AT ABBUIRNAB switch ease down ship also makes beautiful wheel landings dont afraid grease tail-high used following control throws Rudder /2 left right Elevator 3/4 up down Ailerons 3/4 up /2 down Throttle Switch forward po sition high speed fuselage built-up using halfshell method lightweight very strong stringers added Start laying-up fuselage keels completed lay down keels fuselage side-view plan add bulkheads respective stations Make certain 90 de grees keeL Add side keel Make sure bulkheads square glue place should now have fuselage half-shell Remove plan add kulkheads opposite side Upon completion start adding stringers alternating pattern keep sighting down main keels correcting necessary keep fuselage true will notice few stringer locations marked bulkhead drawings plans Cutting stringer notches bulkheads advance isnt recommended apt produce wavy stringers bet ter use actual stringers guide Heres Notch forward bulkhead lay stringer notch pin stringer its proper location tail post using stringer guide mark other bulkhead notches method will produce straight fuselage will look great its covered Inlay 1/8 soft balsa between stringers forward section fuselage called plans Wing fillets Ive tried ways stiff bond paper method best SPECI FICATIONS Wingspan Fuselage Length Height Wing Area Loading. Weight 60 48in 15 530sq - 20 oz/sq ft 4Y2lb PowerGeared Astro 15 RadioFutaba 6 cli ServosFour Futaba 3-20 Prop13-8 Canopy040 butyrate plastic cowl050 ASA plastic Main WheelsRobart 3% Tail WheelRobart 1 SpinnerDu-Bre 3 August1963 35 finished assembled framework seems too beautiful coverbut gets oven beautiful covered finished decorated Could pass huge Rubber model think Its lightweight strong very realistic completed method purely trial-and-error Cut out few patterns lay up against fuselage Cut little time pattern until obtain proper fillet contour sure make up fillet contour formers will help final installation fillets glued place give few coats nitrate dope will make tougher provide good base paint final finish wont able glue wing fillets until 1/32 plywood wing saddle has installed fuselage Therefore next step would build wing assembly Wing Start laminating wing spars 1A x 1/8 hard balsa spruce Next cut out dihedral joiners 1/16 plywood set aside until ribs have cut 3/32 balsa make necessary cutouts ribs gear mounting blocks lightening aileron rods go through holes Build center section first Lay down spars position ribs Cut spars dihedral breaks Af ter ribs glued add top spars Steve puts auto battery use fieldcharging Astro 15s Ni-Cds another flight charger plugs fuselage just front wing switch just behind plug Two-blade flying prop shown three-blader other pics show ply dihedral joiners joiners will extend beyond butt ribs ap proximately 5 dont cut off will glued spars outer panels Lay down spars outer pan els build units complete ailerons finished slide panels onto joiners Note spar join ers will have bent fit flush faces spars due taper outer panels Bend neces sary add glue clamp clothes pins until dry Plank center section 1/16 sheet balsa certain dihedral both panels equal Install ailer rods bellcranks servo wing built can now re turn fuselage Cut 1/32 ply wing saddle fit awaiting cavity Check fit saddle wing place shim ply neces sary obtain good fit wing Now can go back complete wing fillet Since fillet tapers rather sharply leading edge build portion scrap soft balsa blocks blending fuselage 180-grit sandpaper wrapped around 3/8-in doweL Radiator appendage fits under wing centersection doesnt have function model 36 Model Aviation Sliding canopy mechanism detailed plans Its flown open position allow flow-through cooling air Instrument panel adds nice touch realism authors Hurr4cane easy spot lineup Valley Flyers Scale Contest too much wind day fly Hurricane received lot attention Hurricane would look rather naked tried something new making radiator 2-lb-density polyure thane foam foam very easy carve shape sand After final sanding coat ala phatic-resin glue thinned water applied dry sanded 320-grit wet-or-dry paper layer silkspan applied second coat glue followed slurry water-thinned Dap vinyl paste dry sanded smooth finish sounds heavy final result really quite light radiator looks great hanging under wing Prepared way takes beau tiful finish painted could build radiator balsa block think foam better also quicker Tail surfaces model shown plans constructed tapered spars both horizontal verti cal tail surfaces started build flat upon completion found just didnt look right built another set taper little work liked end result Im sure model would fly okay flat stab rudder builders choice Canopy original model con structed sliding canopy serve two purposes vent warm air fuselage other al low access servos mounted three-abreast ply plate along two-position switch motor control method used making sliding canopy involved two lengths 3/32-in aluminum tubing rails mounted fuselage sides split down middle 1/16-in slot side 1/16-india brass tubing mounted can opy section slipped alumi mum tubing used guides used pins inserted brass tubing soldered bent 90-deg anglethe pins acted mounting points lower edge canopy idea worked well may other methods builder would prefer use sliding canopy dont install until ship completed small 1/32 ply former gets glued front canopy once installed canopy cant removed canopy frame masked sprayed olive drab dope before installation Landing gear Using pattern shown front view plan bend main gear 1/8-in music wire Bend sway braces 1 / 1 6-in music wire bind solder braces Continued page 92 Nor Cali AVIONKSS ACCUETACH 1 IITAL rACHOMET get contInuOii accurate RPM ru Out select ldle topend adjus jth dual scale capabiliWO iOOX Quality built preci sion electronics VOLTME Eate Determine ~arge yOiffr batte out Check orbat cycle TXRX tery comboS 3 MoNITOR QUICK CAR~sibleto Makes%ak battery safelyharg0 bY pack fast c volt watchinQ tiny age drop 51gnals full charge ORDER YOURS NOW 79JaId send check money order no CODs NorCal AVIONICS inc PO Box 70956 Sunnyvaie CA 94086 California residents add 6% tax Add $300 shipping outside continental USA Dealer inquiries invited August 1983 37 N Now Kit Form Savejeven easy assemble 4 channel kit expandable 7 OnIy$ 7995 service parts available past manu factured EK Logitrol radios including Logitrol manufactured Cirrus Tower Hobby Lobby radios Free servo reversing Hobby Lobby radios included service work 95 wIth large linear servos 12995 small rotary servos & 4 Four Channel Radio Wider body ends aching shoulder muscles Angled easier monitoring battery charge Designed easily accept new frequencies Servo reversing simply reversing plug Adjustable stick tension Inexpensive replacement servos 45OmU hqttery pack 600mAH & 1200mAH extra Expani Full Commana bystems509 487-2122 908 E Rosewood Spokane WA 99207 Fun/Winter Continued page 85 proportional rudder others soon after multiple propor tional controls So fair account radio control would make historical tome handful folks smatter ing electronics fiddled pulse rates pulse widths mixed both two proportional con trols have heard tell Jerry Pul lin West Coast real father proportional got act together early full-house propo rigs popped up commercially California like spring flowers will tell story very early SOs MAN asked Paul Runge what new said some guy Virginia system called Galloping Ghost turned out own AMA Executive Director John Worth solved proportional elevator rudder simul mechanical means led four-part article link age arms actuator single infamous Victory motor connected rudder elevators position transmitter stick would enable constantly threshing surfaces average out some desired flight path ground plane looked sounded like wounded duck Hams concocted strange wonder ful rigs crates example Sigfried won Nats circa 1940 15-ft giant performed first loopin public anyway crate big glassed door peeked saw huge gears made think colonial watermill Fuliarton cited MAN article reported early Nats no flights took place day because pilots ran out day light before could complete tuning equipment Good brothers Guff osten sibly rudder-only aircraft did have elevators heading photo can see through magnifying glass two relays through inspection door second tiny elevators dont recall Walt ever making eleva tor maneuver Nats dont have foggiest notion triggered second escapementun less some folks tried Goods two receivers conjures up wild notions about transmitter two frequencies point just spoke Walt Good phone Florida Yes two receivers tuned opposite ends old Amateur Band 50 56 MHz three escape ments Big Guff also clapper its spark-ignition Brown Junior sort slowed down Goods option flying either rudder/elevator rudder/engine Guff also thermal-delay engine cutoff actuated holding rudder five secondswhich tells lot about Guffs turning characteristics reason never seen Goods use rudder competition receiver acted up connected better rudder way won heading photo youll note small control box held Bill Goods hand using three close-up lenses stacked together able read words Up Down adjacent stick Almost completely hidden under Bills forefinger button switch Walt says two either buttons switches evidently rudder left hand operated rudder right elevator desired frequency automatically determined move ments controls tiny box Until glow plug came along Ray Arden flew powered FF across Van Courtland Park 1904that date precise because once interviewed Ardenhanded out sample glow plugs Minneapolis Nats 1947 thing ignition Before 1950 two sets points ignition engines two speeds world went glow-ignition bananas Crates became spongy fuel melted nitrate dopes came fuel-proofers finally buty rate dopes years no way throttle glow second escapement triggered quick blip primary escapement operated clapper choked venturi idleand few botheredthe plane blubbered along low speed cloud smoke came two needle valves above other Inside crate clapper adja cent end air line leading loW needle would close air line both needles would pour fuel badly-flooded engine Clouds smoke horrendous cleanups heartbreakers Relay contacts quickly became dirty and/or pitted due voltage spike sparks crates smashed-up flew away often made successful flights Chet Lanzo quipped radio control permitted select loca tion crash 1951 went four months successful flight al though flew weekend year tip RC historical icebergand part age escapements landmark reached late Forties Vernon McNabbs 465 hand-held outfit gained first approv al FCC license-free operation wont go incredible adven ture beyond saying flew test units before leading own Citizen airplane old MAN Sensational developments take place constantly cant see Chips stuff know take superb radio systems granted DCRC Club Open House early 70s stage displayed historic RC jobs members including Walt Good developed end line late-mark Rudder Bug fullhouse controls relatively modern proportional circa 1955 Well never forget Walt looking wistfully highwing Bug already flying Pattern other types saying what thought would come eloquent proof future cant predicted todays basic technology What changed things Cali fornian named Dunn unable dur ing SOs attend Nats amused himself revising Bonner cabin Smog Hog low-wingerthe Astro Hog Sig has Astro Hog kit knew low-wingers didnt fly After Nats deBolt phoned us MAN told him junk cabin Pattern designs Stunned murmured California has gone low-wing exaggerated thats impossible retorted Perhaps moral order make progress must watch kinds models years before very nice lowwing model won Wakefield Cup Low-wing Rubber Scale models flying 1943 design Italian fighter much inproved flown modern techniques Pat Dailey won FAC Nats WW II event Earl Stahls North American Apache best ever before war great Kingfish Sadler Little Rock successfully flying low-wing FFs Nats Dont think is aint Auto pilots Just talked Bill Hershberger early April opportunity fly transmitter computerized sticks developed fel low club member encoder board replaced computer unit face transmitter num bered buttons can program possible maneuver side other numbered buttons 1 5 enable use transmitter different airplanes Apparently takes off uses sticks normally Bill says could tell difference sticks feel own Silver 7 Until five minutes ago talking tongue-in-cheek about future Bite tongue Bill Winter 4426 Altura Ct Fairfax VA 22030 Electric Hurricane/Crowe Continued page 37 main gear legs used wire soldering lugs ends sway braces mount ply gear braces Continued page 144 92 Model Aviation The Best Custom Screen Sportswear See Us NATS will design com memorative T-Shirt club special event Call write details Corsait iesigns just some avaition designs available top quality line sportswear designs direct print eat transferl Gee Bee Warhawks Fokker DVII. P38 Christen Eagle. Pitts Special . Citabria. AT6. p-47. Steerman. Curtis Jenny . Corsair . Coaches ShirtS1295T-ShirnSB95 Ladies TopS950Long Sleeve T$795 Shorts$S95BeaeballSS95 Lined JacketS2195Football$S95 Tote Bag5795Sweetshirt$950 Tire Cover$14S5Hooded SweatSi4SS HatSS95 Wide choice colors sizes Send $100 new Illustrated Brochure Nane Address CityStateZip Design SizeColor now accept MasterCard & Visa _____ TO ORDER Send check money order add 10% postagelhandling MD res 5% tax OR CALL COLLECT after 4pm write Phase Art 17102 Earlham Ct. Upper Marlboro MD 20772 3011843-3050 FF Duration/Meuser Continued tram page i41 Award 1983 noted individuals have contributed development continuity Free Flight model airplane ac tivities throughout US world Society proud recognize achievements Reginald Denny deceased modeler designs have widely accepted both 1930s 1980s can forget Dennymite engine John Gard scientific designer Wakefield Nordic models has car ried theory aeronautics practical application through designs Don McGovern Editor Flying Models magazine years designer truly unique models designer/draftsman model plans almost anyone else John Pond grandfather OldTimers activity throughout world has pusher Free Flight since 930s George Reich dedicated modeler desire achieve championship status realized fully 1961 won Wakefield Cup USA developed rubber-powered designs have widely mimicked other modelers Lawrence Smithline name remem bered oldster today Larrys articles model construction appeared old Flying Aces Model Airplane News Air Trails yesteryear todays mod elers cut modeling teeth Larrys de signs Model Year Awards Jim Wilson Model Year Chairman National Free Flight Society announces awards 1983 International Classes FlAMatt GewainPacer 14 FiBAtain Landeau FiCAdreas Mecxner Delfsn AMA Power SmallRoman Ramirez Careo LargeHal WoodsSummerwind Doug Gaibreath744 Other Categories Hand-Phil Hainer JrKwik Flip II LaunchedPhil Hainer Sr Glider IndoorStan ChiltonSweet 16 EZ-B UnlimitedBob WhiteUnlimited UnRubberlimited ScaleDon SrullSantos DuMont SpecialEd DotbyFAI Rubber awardees have invited display discuss models NFFS Sym posium held AMA Nationals July Drawings photos stories about models will appear NFFS Sym posium Report will available Nationals mail order further information contact Jim Wilson 1030 Ave nue D Redondo Beach CA 90277 Bob Meuser 4200 Gre gory St Oakland CA 94619 Electric Hurricane/Crowe Continued page 92 wing small wood screws main gear mounted gear blocks aluminum straps screws gear fairing doors 050 ASA plastic Small metal strips soldered gear legs hold gear doors means 2-56 screws through small holes drilled straps gear doors tail wheel held Du Bro wheel collar Study plans steering arm soldered top collar picks up rudder cable steering engine cowl can carved bal sa laid-up fiberglass pulled plastic cowl model made ASA plastic pulled over wooden pattern cockpit canopy made same way isnt really lot effort carving plug have access vacu-form ma chine give try Make exhaust manifolds scrap soft balsa apply sanding sealer finish flat black paint Finishing Since trying keep models weight low chose cover MonoKote tried find flat-finish type mentioned Don Srulls Spitfire article no luck ended up glossy stuff 144 Model Aviation Gee Bee Designed RIC Combat agile little performer can fly rings around airplane youve ever owned youre looking really spirited responsive aircraft thats easier build fly Warbird exactly what need 3 Channel RIC 19 25 36Span Mixer Included $3495 OWBIRD Showbird big gest best has rock steady pattern performance thats amazing because will rolls straight up out sight stock K & B 40 slows down like glider landing 64 inches beautiful flying wing will make look great field Precision kit 2540 engine 7 eel ol rolled plans $5995 See dealer first send check money order Pacific Air 15 Skyline Drive Woodside CA 94062 %%y 1131 NW 45 Slreet Ft Lauderdale FL 33309 1305 491-6 175 ENGINEERING TIlE LANDING SEAR PEOPLE Tired bi laildiag gears kit dust III biggie properly 0 & 0 Eaglneenllg can seIne year probleesl * Custom heBI seeds & syocs guarasleed * Straug & durable ti wilhstasd Ike leogbesl lauding * 0 & 0 Engineering gear will work & beep biggie flag * In stack roploemeellI gear popular models Ryram Pills Christie Eagle CAP 21 Ralsa USA J-3 CUB Air Tech Powece Eugle Nesee Big Stick Cbamp Cltabria & II models Snapper Stieger snapper Too painted flat Pactra Formula U covered fuselage silk gets around compound curves easily weight adds negligible fuse lage given four coats nitrate dope final finish light coat Formula U olive drab followed light coat camouflage flat tan Before painting wiped MonoKote areas acetone remove oil dirt Decals produced Dave Platt Models very close proper size model Control rods used Suliivan Gold-NRod cable type lightweight flexible can easily positioned through fuselage bulkheads cable system moving elevator rudder makes very neat installa tion like attach cable servo arms either Du-Bro Gold berg easy connectors rig con trols setup need loosen screw connector move cable fore aft get desired result Flying Did get everything lined-up properly wing tips have cor rect amount washout Are control attachment points secure Are wheels tight Dont laugh Ive seen new ship leave wheel roll ing down runway lifted off cause pre-flight check overlooked takes small item destroy three four months work Check balance point should fall between 25% 30% wing chord Dont fly ship tail-heavy rearward balance point courting snap-roll disaster sure CC correct point model tested 13-in-dia 8-in-pitch prop did very well once trimmed out Later tried 12-8 13-incher seemed put out much thrust 530 sq wing area model handles 4-lb total weight ease During test flights motor battery closely watched bit concerned might heat up too much seems stay very cooL believe Hurricane would really perform new Cobalt motors Maybe Ill try later now Im having ball straight Astro 15 gear unit dont think will have regrets build ship took Hurri cane Valley Flyers Contest California stole show youre looking fun Scale project has great looks flyabiity SAFE FLYING IS NO ACCIDENT ************* *** ** WW***W * * * * WANDITTM * *Dealers Invited * * COn yOar warranty * ~J -K *CORD *Wet DryK * Stich AbrasivesK K *A Keen Machine' gives enceptionalK *sanding control encellent finish* * * 8995 Basic OcI 1 flat Wand 1 * ritsK *10895 Builder Special mcI 2 fIat 1 half * ano wand 5 6 grtsK *12995 Delver includes 3 flar 2 halfK * nd wauds buff wanos andK -K * 6 grits * *Addtional Wands Abrasves ava ableK * e local hobby shopK *K *80015 ELMORE Eoe No 1214 288 5780K * P 0 Box 266 uite Texas 75149K K KKKKKKKKKK*K Radio Technique/Myers Continued page 39 tion selectively amplifies signals between 72 73 MHz rest gives us second stage filtering Meanwhile crystal-controlled oscillator LO receiver running fre quency precisely 455 MHz above transmitters frequency oscil lators voltage frequency injected mixer along amplified RE voltages IRE section mixer frequency present mixed other frequency present including local oscillator mixing new fre Continued page 148 August 1983 145 INTRODUCING THE NEW FOX 36 RC Schneurle Ported Ball Bearing Main BRAND NEW 36 RC.evolved highly successful Combat Special took highly successful Fox Combat Special fitted new MarkXtype carburetor made porting head modifications get run idle well no-nitro fuel Result.the powerful 36 RC market new Fox 36 RC combines power superb idling characteristics light weight.and delivers lowest cost fuels 23900 Fox 36 RO$5995 90236 TiltUp Muffler1495 90237 Tilt-Down Muffler1495 F 0 X MANUFACTURING Co 5305 TDWSON AVEFORT SMITH ARK 72901 Hot Line SOif 686-1656 IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA$20950 New 22 CID QUADRA$10950 Req 22 QUADRA $10450 Brisighelle Flywheel 012450 Req 22 QUADRA POWER ASSEMBLY ONLY 86450 QUADRA REPAIR 1000 pIes pews Jim Mesner ERCOUPEPLANS 82395 KIT $23995 Jim Messe TOMAHAWKPLANS $2395 KIT $25995 Jinx Messe 9-BALL TRAINER PLANS $1695 KIT $9995 BALSA end BASSWOOD fell siesI 35% OFF Connept FLEET PLANS $2995 KIT $15995 COWL $1995 P6W RADIAL ENGINES tar Fleet $2495 VICKERS LEWIS MACHINE GUN KITS $1495 CECONITE Podunts 10% OFF Siq J3 CUB KIT $12495 PLANS SUPER STEARMAN IGedfreyl $2095 STARDUSTER TOO IBrisighellel J3 CUB NeIit $2995 VOLKSPLANE IChinken Cherliel $2395 COCKPIT KITS Tonehewk F4U-1 Spitfire $2295 Ernoepe $2095 Steernien 82295 Citebrie $2495 J-3 Cob $2195 ME-109 $2295 Fleet $2195 US Ocedre FUEL TANKSlOne $695 32 en $795 FIBERGLASS ARROW SHAFTS 511$ s 32 long 61$1l1110 24-Hour Service. Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 VelleY View Dr Allegeny NY 14706 AU NEW cusro SCNNEURLE cox 009 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom parts Cox TD 020 049 051 & 09 engines Competition parts & accessories Combat Free Fit C/L & A/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna Hills CA 92653 Telephone 714 830-5162
Edition: Model Aviation - 1983/08
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 92, 144, 145
NO OCR TEXT NO OCR TEXT bottom can see landing gear installation radiator Reduction-belt-drive MaIro 15 provides plenty power carved foam Main wheels 2h-in-dia Robart firewall cooling air exits cockpit Futaba S-20 servo mounts wing center section Hardwood dowels trailing edge provide reinforcement hold-downs Electric Id fooling around Kraft Chipmunk very impressed silence smooth ness control flew greater urge became build something larger power little reluctant beginning tackle such Electric model after reading about success SruIls Spit fire threw caution wind Wing saddle ot 1/32 ply makes good platform mounting wing ana Deels-up ui lage Note wing hold-down points rear platform Holes alongside radio com partment give access wood screws holding servo platform rails close look will reveal dropping resistor three-position switch mounted bottom servo tray 32 Model Aviation Exhaust stacks made scrap soft balsa painted tias blacK Panel lines add realism very little weight penalty Tail wheel 1-in Robart mounted fuselage fairing Attachment rudder cable makes steerable See details plan -yijw OMEMIA~JA1 Q4JT GRASS VA IIUI19 TS NOWAYI THATLL N HIS -ITS CHUCKVOW SUREEN READIN JUSTASMIH NOTHING NEXT T END UPINAMUSEUM ALTLIHIDE WHAT BRINGS WV TUR tRIPs N MA lOCK E4DIN THEM SNAPPf MAR NE LIKE T BIJ LOER AWAY'vHERE U5 ARE NUTS JRFUNEs UJ TURN OUTALl HE FL ES NOW 15 T WVURO ITRSESf-IIEYCNIXK ON THESPA11 CANS WITH /-AND ijLEVEL-IS NKSHEELS TOCRAT -FL AT DULLES--HANKSEZ BY ALL MIANS vsritJ BALSA FIN BASE BLOCKS 5/16 X 3/8 LE STABILIZER FIVE LAMINATIONS 1/16 X /4 BALSA FIN AND RUDDER ONLY I/8x /2 BALSA RIBS 1/4 X 1/2BALSA FIN AND RUDDER POSTS 3/8 BALSA T EDGE 1PED SPRAED FRAMES HEAT PASSAGE HCLE040 BUlYRATEVii AILERON SERvo IN WING j76~ 7 N / 0 3 DUBRO SPINNER C, GEARED ASTROI5 ELECTRIC MOTOR ca C COOLING AIRMOTORFl I/B LITE-PLY INLET PORTMCflJNT SLEEFIREWALL DOUBLED TO 3/16 BALSA / I/16PLY I3/I6CY*EL DIHEDRAL/~ V8 BALSA IWINGI BRACES~4\ SHEETBETWEENMOUNT/VI6 I/8SO STRINGERS/ TO F4I/I6PLWiOODSAflCtE L MWIRE L GEAR 3/8X 3/4MAPLE BWCK- ROBART 3 I/4WNEELS 1/16 RODS ALUM lUBE IN MAST 3/32 BALSA WEBS PLASTIC OR PlY RIRtIG 2-56 SCREWS tJlO ALUM TABS 1 DOUBLED SPRUCE BOTTOM SPAR TO RIB B/ DOUBLED -fop I/4X 5/8 BALSA LEAIMNG EDGE X 1/2 BALSA SRS FOR S1B 3/8 STOCK VENTRAL FAIRING 1TAILWHEELCtJ LI6 WIRE 10 DUBRO COLLARS AND STEER FROM RUDDER 3/I6 SO BALSA DOUBLED FOR FOUR KEELS SAND FORMERSI/B BALSA SHEET FORMERS F-7 10 F-b BETWEEN STRINGERS V8 SHEET FAIRING BACK UP WING MOUNT BWCKS I/4X WITH T-NUTS 1/16 SHEET C/SECTION COVER 1/16 PLY SPAR BRS I/Bx YB BALSATE OVER I/16x SHEET TEBOTIOM U 1/16 SHEET OVER I/BAIL SPAR 1/16 SHEET OVER I/B SPAR X 3/B BALSA TIP SECTIONS I/8x 1/4 BALSA SPAR TOPS AND BOITOMS OUT 10 TIPS DJLERON BELICRANK3/32 BALSA ALL RIBS ON /16 PLWOCO EXHAUST MABAFOD- ABAPEin PIjOTS PROM SHOE PAPER s 4KIFUSELAGE TOP VIEPp MAKE ORE PROM AB LITE PLO AXIS 0411 PROM NTOFIG BALSA SlEETAS BALSAF-9 F-3P4 OMSABSSE SLNEHNF-IF-S F-2F-SFSTRRIH AXITNBNA TARA ARE 51K BALSA SHEETARTERIALBASJT chrARTORIAS SUROIS H*AORTALAIROOM TIBRIKAr 114 AMOKFINiRUD PRRMEBS PR TO P4MERIOR41111RB OMIT 2 BAYS PRO ____________________BATT CROCRAK OJYLET RANKER AJSTTMAA MAST ORIGINAL IMAKI FILERSALL BEELS MN IS IN KIA B RROI PR PILLTOP-O...SSTNIMABRO RHO 4 -LMKMATORE OF / F IN SEPT BALSA SUER UP TA AMOS-MNBAA-AK PR PHP-T-P2*11K P OARS OSSISTp MAROEK A00-L-79—--SOFT BALSA110 ILOKATIARORI 2 RART TIRAT KOIBSEB BANK01100gArMBPEO QSELAGEIDE VIEW R0 LA-ET__K__ }AMBOL S AlA MJBAOHTNI 0455CR-IRHAITLIO BALSA 3/N SOFT 5MMPOOH TSANR TO T*5NNEEL PABAIAKS/RI AT TAR SEAMS *01110 INLW PIT ARER4 $M5j~r 110 OBANKEIO BLOOTRIC MOTARHAIR SKOOFI/IN MWM/1TW BALSANOW BASSO CARMTAR1AI*IRSIBABSOF S -BRARTOMLAS AIATE EL AVIATION OASIS MM ROOMSSAKS BA 04N PIT AR RIO-FoAMHAWKER P5051K MABETI/NM/SIC---. IHURRICANE WarnOMAAA-uunrJI 0255115 SI/0 MO ROBARTALT DESIGNED S DRAWN NY STEVE CRONE ROMOLSROOMTAAIflMEL OCTAL ACING ST JOE DEMANCO DEAR DOOR OCTALha SIllS 55551111MB R F R5 0 N started full-steam Hurricane end result wasnt disappoint ment way ship came out half-pound heavier what shooting amount fixed weight contend wasnt too bad purposely went thick Clark Y airfoil plane did come out bit heavy wing could handle little no adverse effect flying characteristics Also prototype thick airfoil sec tion wanted retain sake appearance main thing about building Elec trics very conscious elements weight Fixed weight motor motor batteries RC gear going whatever adds up just isnBt way around need compensate making structure final finish lightweight possible fixed weight model 42 oz structure cov ering paint etc weighed 30 oz can see important select lightweight balsa other ma terials want model really successful could lower fixed weight over lighter wheels spinner 250 mAh flight battery etc decided stick regular commercial items just no way put words feeling get see Hurricane take off climb blue looks real feel sitting cockpit tracks straight takeoff need just touch rudder Hold little upelevator starting takeoff run As speed builds gradually release back pressure after run about 100 ft will lift off smooth silk Dont force keep climb turns shallow grab some altitude control response positive smooth watch out dont over-control ailerons quite effective should used light pressures model flies like real thing get ham-handed controls youll Abuy farm two-position motor switch works beautifully throttle back cruise4 model just leaks off altitude gradually can set up ap proach will envy everyone field Like tapered low-wing aircraft has tendency tipstall angle attack high airspeed slowdont get too slow landing approaches Keep model fly ing normal approach attitude down runway gently flair out cut 34 Model Aviation units have built sanued entire model ready covering Its wellengineered have strength needed undue weight penalty FULL-SIZE PLANS AVAILABLE. SEE PAGE 164 j3C5 Sj LAAB*TIAB SON STABILIZER B ELEVATOR TT CS STAONAB BOO-S0 SETTBAAIIEBOS FUSELAGE FRONT VIEW A-N A-B A-A BESOATOBNOTE ALL BUS MAW PAWA SflA tALSAflfl TAPES CO TO CTBAT 1W 0 R-2 R-315 -Th R-4 3dB lAS IMBAlANCE SECTION AILESOO LEBOBAS E900 Lsr BALSAOISA BALSA 5fl2 AL RABS PLASTIC COBOOT IAB MASS TIBE N S0 ,A-A BiP-IIBI IIOAOBOBIooooTCANOPY DETAIL ISO 00500CC TEA 554KB MS -BE SSOBAASAIS SCBTE BBEOIOSEOI LIBATE ONIM IAS IA-F 05 USPLO3BIIBO 10 AEON DAWET 2 OF 5 NOOEL AVIATI0I HAWKER HURRICANE Mk SCALE I5 WER ASTRO IS MOIOR DESIGNED S DRAWN BY STEW CROWE USE IAlIA SBUS ACING BY JOE DEMARCO PLAN LEFT SIDEAOE~AT ABBUIRNAB switch ease down ship also makes beautiful wheel landings dont afraid grease tail-high used following control throws Rudder /2 left right Elevator 3/4 up down Ailerons 3/4 up /2 down Throttle Switch forward po sition high speed fuselage built-up using halfshell method lightweight very strong stringers added Start laying-up fuselage keels completed lay down keels fuselage side-view plan add bulkheads respective stations Make certain 90 de grees keeL Add side keel Make sure bulkheads square glue place should now have fuselage half-shell Remove plan add kulkheads opposite side Upon completion start adding stringers alternating pattern keep sighting down main keels correcting necessary keep fuselage true will notice few stringer locations marked bulkhead drawings plans Cutting stringer notches bulkheads advance isnt recommended apt produce wavy stringers bet ter use actual stringers guide Heres Notch forward bulkhead lay stringer notch pin stringer its proper location tail post using stringer guide mark other bulkhead notches method will produce straight fuselage will look great its covered Inlay 1/8 soft balsa between stringers forward section fuselage called plans Wing fillets Ive tried ways stiff bond paper method best SPECI FICATIONS Wingspan Fuselage Length Height Wing Area Loading. Weight 60 48in 15 530sq - 20 oz/sq ft 4Y2lb PowerGeared Astro 15 RadioFutaba 6 cli ServosFour Futaba 3-20 Prop13-8 Canopy040 butyrate plastic cowl050 ASA plastic Main WheelsRobart 3% Tail WheelRobart 1 SpinnerDu-Bre 3 August1963 35 finished assembled framework seems too beautiful coverbut gets oven beautiful covered finished decorated Could pass huge Rubber model think Its lightweight strong very realistic completed method purely trial-and-error Cut out few patterns lay up against fuselage Cut little time pattern until obtain proper fillet contour sure make up fillet contour formers will help final installation fillets glued place give few coats nitrate dope will make tougher provide good base paint final finish wont able glue wing fillets until 1/32 plywood wing saddle has installed fuselage Therefore next step would build wing assembly Wing Start laminating wing spars 1A x 1/8 hard balsa spruce Next cut out dihedral joiners 1/16 plywood set aside until ribs have cut 3/32 balsa make necessary cutouts ribs gear mounting blocks lightening aileron rods go through holes Build center section first Lay down spars position ribs Cut spars dihedral breaks Af ter ribs glued add top spars Steve puts auto battery use fieldcharging Astro 15s Ni-Cds another flight charger plugs fuselage just front wing switch just behind plug Two-blade flying prop shown three-blader other pics show ply dihedral joiners joiners will extend beyond butt ribs ap proximately 5 dont cut off will glued spars outer panels Lay down spars outer pan els build units complete ailerons finished slide panels onto joiners Note spar join ers will have bent fit flush faces spars due taper outer panels Bend neces sary add glue clamp clothes pins until dry Plank center section 1/16 sheet balsa certain dihedral both panels equal Install ailer rods bellcranks servo wing built can now re turn fuselage Cut 1/32 ply wing saddle fit awaiting cavity Check fit saddle wing place shim ply neces sary obtain good fit wing Now can go back complete wing fillet Since fillet tapers rather sharply leading edge build portion scrap soft balsa blocks blending fuselage 180-grit sandpaper wrapped around 3/8-in doweL Radiator appendage fits under wing centersection doesnt have function model 36 Model Aviation Sliding canopy mechanism detailed plans Its flown open position allow flow-through cooling air Instrument panel adds nice touch realism authors Hurr4cane easy spot lineup Valley Flyers Scale Contest too much wind day fly Hurricane received lot attention Hurricane would look rather naked tried something new making radiator 2-lb-density polyure thane foam foam very easy carve shape sand After final sanding coat ala phatic-resin glue thinned water applied dry sanded 320-grit wet-or-dry paper layer silkspan applied second coat glue followed slurry water-thinned Dap vinyl paste dry sanded smooth finish sounds heavy final result really quite light radiator looks great hanging under wing Prepared way takes beau tiful finish painted could build radiator balsa block think foam better also quicker Tail surfaces model shown plans constructed tapered spars both horizontal verti cal tail surfaces started build flat upon completion found just didnt look right built another set taper little work liked end result Im sure model would fly okay flat stab rudder builders choice Canopy original model con structed sliding canopy serve two purposes vent warm air fuselage other al low access servos mounted three-abreast ply plate along two-position switch motor control method used making sliding canopy involved two lengths 3/32-in aluminum tubing rails mounted fuselage sides split down middle 1/16-in slot side 1/16-india brass tubing mounted can opy section slipped alumi mum tubing used guides used pins inserted brass tubing soldered bent 90-deg anglethe pins acted mounting points lower edge canopy idea worked well may other methods builder would prefer use sliding canopy dont install until ship completed small 1/32 ply former gets glued front canopy once installed canopy cant removed canopy frame masked sprayed olive drab dope before installation Landing gear Using pattern shown front view plan bend main gear 1/8-in music wire Bend sway braces 1 / 1 6-in music wire bind solder braces Continued page 92 Nor Cali AVIONKSS ACCUETACH 1 IITAL rACHOMET get contInuOii accurate RPM ru Out select ldle topend adjus jth dual scale capabiliWO iOOX Quality built preci sion electronics VOLTME Eate Determine ~arge yOiffr batte out Check orbat cycle TXRX tery comboS 3 MoNITOR QUICK CAR~sibleto Makes%ak battery safelyharg0 bY pack fast c volt watchinQ tiny age drop 51gnals full charge ORDER YOURS NOW 79JaId send check money order no CODs NorCal AVIONICS inc PO Box 70956 Sunnyvaie CA 94086 California residents add 6% tax Add $300 shipping outside continental USA Dealer inquiries invited August 1983 37 N Now Kit Form Savejeven easy assemble 4 channel kit expandable 7 OnIy$ 7995 service parts available past manu factured EK Logitrol radios including Logitrol manufactured Cirrus Tower Hobby Lobby radios Free servo reversing Hobby Lobby radios included service work 95 wIth large linear servos 12995 small rotary servos & 4 Four Channel Radio Wider body ends aching shoulder muscles Angled easier monitoring battery charge Designed easily accept new frequencies Servo reversing simply reversing plug Adjustable stick tension Inexpensive replacement servos 45OmU hqttery pack 600mAH & 1200mAH extra Expani Full Commana bystems509 487-2122 908 E Rosewood Spokane WA 99207 Fun/Winter Continued page 85 proportional rudder others soon after multiple propor tional controls So fair account radio control would make historical tome handful folks smatter ing electronics fiddled pulse rates pulse widths mixed both two proportional con trols have heard tell Jerry Pul lin West Coast real father proportional got act together early full-house propo rigs popped up commercially California like spring flowers will tell story very early SOs MAN asked Paul Runge what new said some guy Virginia system called Galloping Ghost turned out own AMA Executive Director John Worth solved proportional elevator rudder simul mechanical means led four-part article link age arms actuator single infamous Victory motor connected rudder elevators position transmitter stick would enable constantly threshing surfaces average out some desired flight path ground plane looked sounded like wounded duck Hams concocted strange wonder ful rigs crates example Sigfried won Nats circa 1940 15-ft giant performed first loopin public anyway crate big glassed door peeked saw huge gears made think colonial watermill Fuliarton cited MAN article reported early Nats no flights took place day because pilots ran out day light before could complete tuning equipment Good brothers Guff osten sibly rudder-only aircraft did have elevators heading photo can see through magnifying glass two relays through inspection door second tiny elevators dont recall Walt ever making eleva tor maneuver Nats dont have foggiest notion triggered second escapementun less some folks tried Goods two receivers conjures up wild notions about transmitter two frequencies point just spoke Walt Good phone Florida Yes two receivers tuned opposite ends old Amateur Band 50 56 MHz three escape ments Big Guff also clapper its spark-ignition Brown Junior sort slowed down Goods option flying either rudder/elevator rudder/engine Guff also thermal-delay engine cutoff actuated holding rudder five secondswhich tells lot about Guffs turning characteristics reason never seen Goods use rudder competition receiver acted up connected better rudder way won heading photo youll note small control box held Bill Goods hand using three close-up lenses stacked together able read words Up Down adjacent stick Almost completely hidden under Bills forefinger button switch Walt says two either buttons switches evidently rudder left hand operated rudder right elevator desired frequency automatically determined move ments controls tiny box Until glow plug came along Ray Arden flew powered FF across Van Courtland Park 1904that date precise because once interviewed Ardenhanded out sample glow plugs Minneapolis Nats 1947 thing ignition Before 1950 two sets points ignition engines two speeds world went glow-ignition bananas Crates became spongy fuel melted nitrate dopes came fuel-proofers finally buty rate dopes years no way throttle glow second escapement triggered quick blip primary escapement operated clapper choked venturi idleand few botheredthe plane blubbered along low speed cloud smoke came two needle valves above other Inside crate clapper adja cent end air line leading loW needle would close air line both needles would pour fuel badly-flooded engine Clouds smoke horrendous cleanups heartbreakers Relay contacts quickly became dirty and/or pitted due voltage spike sparks crates smashed-up flew away often made successful flights Chet Lanzo quipped radio control permitted select loca tion crash 1951 went four months successful flight al though flew weekend year tip RC historical icebergand part age escapements landmark reached late Forties Vernon McNabbs 465 hand-held outfit gained first approv al FCC license-free operation wont go incredible adven ture beyond saying flew test units before leading own Citizen airplane old MAN Sensational developments take place constantly cant see Chips stuff know take superb radio systems granted DCRC Club Open House early 70s stage displayed historic RC jobs members including Walt Good developed end line late-mark Rudder Bug fullhouse controls relatively modern proportional circa 1955 Well never forget Walt looking wistfully highwing Bug already flying Pattern other types saying what thought would come eloquent proof future cant predicted todays basic technology What changed things Cali fornian named Dunn unable dur ing SOs attend Nats amused himself revising Bonner cabin Smog Hog low-wingerthe Astro Hog Sig has Astro Hog kit knew low-wingers didnt fly After Nats deBolt phoned us MAN told him junk cabin Pattern designs Stunned murmured California has gone low-wing exaggerated thats impossible retorted Perhaps moral order make progress must watch kinds models years before very nice lowwing model won Wakefield Cup Low-wing Rubber Scale models flying 1943 design Italian fighter much inproved flown modern techniques Pat Dailey won FAC Nats WW II event Earl Stahls North American Apache best ever before war great Kingfish Sadler Little Rock successfully flying low-wing FFs Nats Dont think is aint Auto pilots Just talked Bill Hershberger early April opportunity fly transmitter computerized sticks developed fel low club member encoder board replaced computer unit face transmitter num bered buttons can program possible maneuver side other numbered buttons 1 5 enable use transmitter different airplanes Apparently takes off uses sticks normally Bill says could tell difference sticks feel own Silver 7 Until five minutes ago talking tongue-in-cheek about future Bite tongue Bill Winter 4426 Altura Ct Fairfax VA 22030 Electric Hurricane/Crowe Continued page 37 main gear legs used wire soldering lugs ends sway braces mount ply gear braces Continued page 144 92 Model Aviation The Best Custom Screen Sportswear See Us NATS will design com memorative T-Shirt club special event Call write details Corsait iesigns just some avaition designs available top quality line sportswear designs direct print eat transferl Gee Bee Warhawks Fokker DVII. P38 Christen Eagle. Pitts Special . Citabria. AT6. p-47. Steerman. Curtis Jenny . Corsair . Coaches ShirtS1295T-ShirnSB95 Ladies TopS950Long Sleeve T$795 Shorts$S95BeaeballSS95 Lined JacketS2195Football$S95 Tote Bag5795Sweetshirt$950 Tire Cover$14S5Hooded SweatSi4SS HatSS95 Wide choice colors sizes Send $100 new Illustrated Brochure Nane Address CityStateZip Design SizeColor now accept MasterCard & Visa _____ TO ORDER Send check money order add 10% postagelhandling MD res 5% tax OR CALL COLLECT after 4pm write Phase Art 17102 Earlham Ct. Upper Marlboro MD 20772 3011843-3050 FF Duration/Meuser Continued tram page i41 Award 1983 noted individuals have contributed development continuity Free Flight model airplane ac tivities throughout US world Society proud recognize achievements Reginald Denny deceased modeler designs have widely accepted both 1930s 1980s can forget Dennymite engine John Gard scientific designer Wakefield Nordic models has car ried theory aeronautics practical application through designs Don McGovern Editor Flying Models magazine years designer truly unique models designer/draftsman model plans almost anyone else John Pond grandfather OldTimers activity throughout world has pusher Free Flight since 930s George Reich dedicated modeler desire achieve championship status realized fully 1961 won Wakefield Cup USA developed rubber-powered designs have widely mimicked other modelers Lawrence Smithline name remem bered oldster today Larrys articles model construction appeared old Flying Aces Model Airplane News Air Trails yesteryear todays mod elers cut modeling teeth Larrys de signs Model Year Awards Jim Wilson Model Year Chairman National Free Flight Society announces awards 1983 International Classes FlAMatt GewainPacer 14 FiBAtain Landeau FiCAdreas Mecxner Delfsn AMA Power SmallRoman Ramirez Careo LargeHal WoodsSummerwind Doug Gaibreath744 Other Categories Hand-Phil Hainer JrKwik Flip II LaunchedPhil Hainer Sr Glider IndoorStan ChiltonSweet 16 EZ-B UnlimitedBob WhiteUnlimited UnRubberlimited ScaleDon SrullSantos DuMont SpecialEd DotbyFAI Rubber awardees have invited display discuss models NFFS Sym posium held AMA Nationals July Drawings photos stories about models will appear NFFS Sym posium Report will available Nationals mail order further information contact Jim Wilson 1030 Ave nue D Redondo Beach CA 90277 Bob Meuser 4200 Gre gory St Oakland CA 94619 Electric Hurricane/Crowe Continued page 92 wing small wood screws main gear mounted gear blocks aluminum straps screws gear fairing doors 050 ASA plastic Small metal strips soldered gear legs hold gear doors means 2-56 screws through small holes drilled straps gear doors tail wheel held Du Bro wheel collar Study plans steering arm soldered top collar picks up rudder cable steering engine cowl can carved bal sa laid-up fiberglass pulled plastic cowl model made ASA plastic pulled over wooden pattern cockpit canopy made same way isnt really lot effort carving plug have access vacu-form ma chine give try Make exhaust manifolds scrap soft balsa apply sanding sealer finish flat black paint Finishing Since trying keep models weight low chose cover MonoKote tried find flat-finish type mentioned Don Srulls Spitfire article no luck ended up glossy stuff 144 Model Aviation Gee Bee Designed RIC Combat agile little performer can fly rings around airplane youve ever owned youre looking really spirited responsive aircraft thats easier build fly Warbird exactly what need 3 Channel RIC 19 25 36Span Mixer Included $3495 OWBIRD Showbird big gest best has rock steady pattern performance thats amazing because will rolls straight up out sight stock K & B 40 slows down like glider landing 64 inches beautiful flying wing will make look great field Precision kit 2540 engine 7 eel ol rolled plans $5995 See dealer first send check money order Pacific Air 15 Skyline Drive Woodside CA 94062 %%y 1131 NW 45 Slreet Ft Lauderdale FL 33309 1305 491-6 175 ENGINEERING TIlE LANDING SEAR PEOPLE Tired bi laildiag gears kit dust III biggie properly 0 & 0 Eaglneenllg can seIne year probleesl * Custom heBI seeds & syocs guarasleed * Straug & durable ti wilhstasd Ike leogbesl lauding * 0 & 0 Engineering gear will work & beep biggie flag * In stack roploemeellI gear popular models Ryram Pills Christie Eagle CAP 21 Ralsa USA J-3 CUB Air Tech Powece Eugle Nesee Big Stick Cbamp Cltabria & II models Snapper Stieger snapper Too painted flat Pactra Formula U covered fuselage silk gets around compound curves easily weight adds negligible fuse lage given four coats nitrate dope final finish light coat Formula U olive drab followed light coat camouflage flat tan Before painting wiped MonoKote areas acetone remove oil dirt Decals produced Dave Platt Models very close proper size model Control rods used Suliivan Gold-NRod cable type lightweight flexible can easily positioned through fuselage bulkheads cable system moving elevator rudder makes very neat installa tion like attach cable servo arms either Du-Bro Gold berg easy connectors rig con trols setup need loosen screw connector move cable fore aft get desired result Flying Did get everything lined-up properly wing tips have cor rect amount washout Are control attachment points secure Are wheels tight Dont laugh Ive seen new ship leave wheel roll ing down runway lifted off cause pre-flight check overlooked takes small item destroy three four months work Check balance point should fall between 25% 30% wing chord Dont fly ship tail-heavy rearward balance point courting snap-roll disaster sure CC correct point model tested 13-in-dia 8-in-pitch prop did very well once trimmed out Later tried 12-8 13-incher seemed put out much thrust 530 sq wing area model handles 4-lb total weight ease During test flights motor battery closely watched bit concerned might heat up too much seems stay very cooL believe Hurricane would really perform new Cobalt motors Maybe Ill try later now Im having ball straight Astro 15 gear unit dont think will have regrets build ship took Hurri cane Valley Flyers Contest California stole show youre looking fun Scale project has great looks flyabiity SAFE FLYING IS NO ACCIDENT ************* *** ** WW***W * * * * WANDITTM * *Dealers Invited * * COn yOar warranty * ~J -K *CORD *Wet DryK * Stich AbrasivesK K *A Keen Machine' gives enceptionalK *sanding control encellent finish* * * 8995 Basic OcI 1 flat Wand 1 * ritsK *10895 Builder Special mcI 2 fIat 1 half * ano wand 5 6 grtsK *12995 Delver includes 3 flar 2 halfK * nd wauds buff wanos andK -K * 6 grits * *Addtional Wands Abrasves ava ableK * e local hobby shopK *K *80015 ELMORE Eoe No 1214 288 5780K * P 0 Box 266 uite Texas 75149K K KKKKKKKKKK*K Radio Technique/Myers Continued page 39 tion selectively amplifies signals between 72 73 MHz rest gives us second stage filtering Meanwhile crystal-controlled oscillator LO receiver running fre quency precisely 455 MHz above transmitters frequency oscil lators voltage frequency injected mixer along amplified RE voltages IRE section mixer frequency present mixed other frequency present including local oscillator mixing new fre Continued page 148 August 1983 145 INTRODUCING THE NEW FOX 36 RC Schneurle Ported Ball Bearing Main BRAND NEW 36 RC.evolved highly successful Combat Special took highly successful Fox Combat Special fitted new MarkXtype carburetor made porting head modifications get run idle well no-nitro fuel Result.the powerful 36 RC market new Fox 36 RC combines power superb idling characteristics light weight.and delivers lowest cost fuels 23900 Fox 36 RO$5995 90236 TiltUp Muffler1495 90237 Tilt-Down Muffler1495 F 0 X MANUFACTURING Co 5305 TDWSON AVEFORT SMITH ARK 72901 Hot Line SOif 686-1656 IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA$20950 New 22 CID QUADRA$10950 Req 22 QUADRA $10450 Brisighelle Flywheel 012450 Req 22 QUADRA POWER ASSEMBLY ONLY 86450 QUADRA REPAIR 1000 pIes pews Jim Mesner ERCOUPEPLANS 82395 KIT $23995 Jim Messe TOMAHAWKPLANS $2395 KIT $25995 Jinx Messe 9-BALL TRAINER PLANS $1695 KIT $9995 BALSA end BASSWOOD fell siesI 35% OFF Connept FLEET PLANS $2995 KIT $15995 COWL $1995 P6W RADIAL ENGINES tar Fleet $2495 VICKERS LEWIS MACHINE GUN KITS $1495 CECONITE Podunts 10% OFF Siq J3 CUB KIT $12495 PLANS SUPER STEARMAN IGedfreyl $2095 STARDUSTER TOO IBrisighellel J3 CUB NeIit $2995 VOLKSPLANE IChinken Cherliel $2395 COCKPIT KITS Tonehewk F4U-1 Spitfire $2295 Ernoepe $2095 Steernien 82295 Citebrie $2495 J-3 Cob $2195 ME-109 $2295 Fleet $2195 US Ocedre FUEL TANKSlOne $695 32 en $795 FIBERGLASS ARROW SHAFTS 511$ s 32 long 61$1l1110 24-Hour Service. Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 VelleY View Dr Allegeny NY 14706 AU NEW cusro SCNNEURLE cox 009 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom parts Cox TD 020 049 051 & 09 engines Competition parts & accessories Combat Free Fit C/L & A/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna Hills CA 92653 Telephone 714 830-5162
Edition: Model Aviation - 1983/08
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 92, 144, 145
NO OCR TEXT NO OCR TEXT bottom can see landing gear installation radiator Reduction-belt-drive MaIro 15 provides plenty power carved foam Main wheels 2h-in-dia Robart firewall cooling air exits cockpit Futaba S-20 servo mounts wing center section Hardwood dowels trailing edge provide reinforcement hold-downs Electric Id fooling around Kraft Chipmunk very impressed silence smooth ness control flew greater urge became build something larger power little reluctant beginning tackle such Electric model after reading about success SruIls Spit fire threw caution wind Wing saddle ot 1/32 ply makes good platform mounting wing ana Deels-up ui lage Note wing hold-down points rear platform Holes alongside radio com partment give access wood screws holding servo platform rails close look will reveal dropping resistor three-position switch mounted bottom servo tray 32 Model Aviation Exhaust stacks made scrap soft balsa painted tias blacK Panel lines add realism very little weight penalty Tail wheel 1-in Robart mounted fuselage fairing Attachment rudder cable makes steerable See details plan -yijw OMEMIA~JA1 Q4JT GRASS VA IIUI19 TS NOWAYI THATLL N HIS -ITS CHUCKVOW SUREEN READIN JUSTASMIH NOTHING NEXT T END UPINAMUSEUM ALTLIHIDE WHAT BRINGS WV TUR tRIPs N MA lOCK E4DIN THEM SNAPPf MAR NE LIKE T BIJ LOER AWAY'vHERE U5 ARE NUTS JRFUNEs UJ TURN OUTALl HE FL ES NOW 15 T WVURO ITRSESf-IIEYCNIXK ON THESPA11 CANS WITH /-AND ijLEVEL-IS NKSHEELS TOCRAT -FL AT DULLES--HANKSEZ BY ALL MIANS vsritJ BALSA FIN BASE BLOCKS 5/16 X 3/8 LE STABILIZER FIVE LAMINATIONS 1/16 X /4 BALSA FIN AND RUDDER ONLY I/8x /2 BALSA RIBS 1/4 X 1/2BALSA FIN AND RUDDER POSTS 3/8 BALSA T EDGE 1PED SPRAED FRAMES HEAT PASSAGE HCLE040 BUlYRATEVii AILERON SERvo IN WING j76~ 7 N / 0 3 DUBRO SPINNER C, GEARED ASTROI5 ELECTRIC MOTOR ca C COOLING AIRMOTORFl I/B LITE-PLY INLET PORTMCflJNT SLEEFIREWALL DOUBLED TO 3/16 BALSA / I/16PLY I3/I6CY*EL DIHEDRAL/~ V8 BALSA IWINGI BRACES~4\ SHEETBETWEENMOUNT/VI6 I/8SO STRINGERS/ TO F4I/I6PLWiOODSAflCtE L MWIRE L GEAR 3/8X 3/4MAPLE BWCK- ROBART 3 I/4WNEELS 1/16 RODS ALUM lUBE IN MAST 3/32 BALSA WEBS PLASTIC OR PlY RIRtIG 2-56 SCREWS tJlO ALUM TABS 1 DOUBLED SPRUCE BOTTOM SPAR TO RIB B/ DOUBLED -fop I/4X 5/8 BALSA LEAIMNG EDGE X 1/2 BALSA SRS FOR S1B 3/8 STOCK VENTRAL FAIRING 1TAILWHEELCtJ LI6 WIRE 10 DUBRO COLLARS AND STEER FROM RUDDER 3/I6 SO BALSA DOUBLED FOR FOUR KEELS SAND FORMERSI/B BALSA SHEET FORMERS F-7 10 F-b BETWEEN STRINGERS V8 SHEET FAIRING BACK UP WING MOUNT BWCKS I/4X WITH T-NUTS 1/16 SHEET C/SECTION COVER 1/16 PLY SPAR BRS I/Bx YB BALSATE OVER I/16x SHEET TEBOTIOM U 1/16 SHEET OVER I/BAIL SPAR 1/16 SHEET OVER I/B SPAR X 3/B BALSA TIP SECTIONS I/8x 1/4 BALSA SPAR TOPS AND BOITOMS OUT 10 TIPS DJLERON BELICRANK3/32 BALSA ALL RIBS ON /16 PLWOCO EXHAUST MABAFOD- ABAPEin PIjOTS PROM SHOE PAPER s 4KIFUSELAGE TOP VIEPp MAKE ORE PROM AB LITE PLO AXIS 0411 PROM NTOFIG BALSA SlEETAS BALSAF-9 F-3P4 OMSABSSE SLNEHNF-IF-S F-2F-SFSTRRIH AXITNBNA TARA ARE 51K BALSA SHEETARTERIALBASJT chrARTORIAS SUROIS H*AORTALAIROOM TIBRIKAr 114 AMOKFINiRUD PRRMEBS PR TO P4MERIOR41111RB OMIT 2 BAYS PRO ____________________BATT CROCRAK OJYLET RANKER AJSTTMAA MAST ORIGINAL IMAKI FILERSALL BEELS MN IS IN KIA B RROI PR PILLTOP-O...SSTNIMABRO RHO 4 -LMKMATORE OF / F IN SEPT BALSA SUER UP TA AMOS-MNBAA-AK PR PHP-T-P2*11K P OARS OSSISTp MAROEK A00-L-79—--SOFT BALSA110 ILOKATIARORI 2 RART TIRAT KOIBSEB BANK01100gArMBPEO QSELAGEIDE VIEW R0 LA-ET__K__ }AMBOL S AlA MJBAOHTNI 0455CR-IRHAITLIO BALSA 3/N SOFT 5MMPOOH TSANR TO T*5NNEEL PABAIAKS/RI AT TAR SEAMS *01110 INLW PIT ARER4 $M5j~r 110 OBANKEIO BLOOTRIC MOTARHAIR SKOOFI/IN MWM/1TW BALSANOW BASSO CARMTAR1AI*IRSIBABSOF S -BRARTOMLAS AIATE EL AVIATION OASIS MM ROOMSSAKS BA 04N PIT AR RIO-FoAMHAWKER P5051K MABETI/NM/SIC---. IHURRICANE WarnOMAAA-uunrJI 0255115 SI/0 MO ROBARTALT DESIGNED S DRAWN NY STEVE CRONE ROMOLSROOMTAAIflMEL OCTAL ACING ST JOE DEMANCO DEAR DOOR OCTALha SIllS 55551111MB R F R5 0 N started full-steam Hurricane end result wasnt disappoint ment way ship came out half-pound heavier what shooting amount fixed weight contend wasnt too bad purposely went thick Clark Y airfoil plane did come out bit heavy wing could handle little no adverse effect flying characteristics Also prototype thick airfoil sec tion wanted retain sake appearance main thing about building Elec trics very conscious elements weight Fixed weight motor motor batteries RC gear going whatever adds up just isnBt way around need compensate making structure final finish lightweight possible fixed weight model 42 oz structure cov ering paint etc weighed 30 oz can see important select lightweight balsa other ma terials want model really successful could lower fixed weight over lighter wheels spinner 250 mAh flight battery etc decided stick regular commercial items just no way put words feeling get see Hurricane take off climb blue looks real feel sitting cockpit tracks straight takeoff need just touch rudder Hold little upelevator starting takeoff run As speed builds gradually release back pressure after run about 100 ft will lift off smooth silk Dont force keep climb turns shallow grab some altitude control response positive smooth watch out dont over-control ailerons quite effective should used light pressures model flies like real thing get ham-handed controls youll Abuy farm two-position motor switch works beautifully throttle back cruise4 model just leaks off altitude gradually can set up ap proach will envy everyone field Like tapered low-wing aircraft has tendency tipstall angle attack high airspeed slowdont get too slow landing approaches Keep model fly ing normal approach attitude down runway gently flair out cut 34 Model Aviation units have built sanued entire model ready covering Its wellengineered have strength needed undue weight penalty FULL-SIZE PLANS AVAILABLE. SEE PAGE 164 j3C5 Sj LAAB*TIAB SON STABILIZER B ELEVATOR TT CS STAONAB BOO-S0 SETTBAAIIEBOS FUSELAGE FRONT VIEW A-N A-B A-A BESOATOBNOTE ALL BUS MAW PAWA SflA tALSAflfl TAPES CO TO CTBAT 1W 0 R-2 R-315 -Th R-4 3dB lAS IMBAlANCE SECTION AILESOO LEBOBAS E900 Lsr BALSAOISA BALSA 5fl2 AL RABS PLASTIC COBOOT IAB MASS TIBE N S0 ,A-A BiP-IIBI IIOAOBOBIooooTCANOPY DETAIL ISO 00500CC TEA 554KB MS -BE SSOBAASAIS SCBTE BBEOIOSEOI LIBATE ONIM IAS IA-F 05 USPLO3BIIBO 10 AEON DAWET 2 OF 5 NOOEL AVIATI0I HAWKER HURRICANE Mk SCALE I5 WER ASTRO IS MOIOR DESIGNED S DRAWN BY STEW CROWE USE IAlIA SBUS ACING BY JOE DEMARCO PLAN LEFT SIDEAOE~AT ABBUIRNAB switch ease down ship also makes beautiful wheel landings dont afraid grease tail-high used following control throws Rudder /2 left right Elevator 3/4 up down Ailerons 3/4 up /2 down Throttle Switch forward po sition high speed fuselage built-up using halfshell method lightweight very strong stringers added Start laying-up fuselage keels completed lay down keels fuselage side-view plan add bulkheads respective stations Make certain 90 de grees keeL Add side keel Make sure bulkheads square glue place should now have fuselage half-shell Remove plan add kulkheads opposite side Upon completion start adding stringers alternating pattern keep sighting down main keels correcting necessary keep fuselage true will notice few stringer locations marked bulkhead drawings plans Cutting stringer notches bulkheads advance isnt recommended apt produce wavy stringers bet ter use actual stringers guide Heres Notch forward bulkhead lay stringer notch pin stringer its proper location tail post using stringer guide mark other bulkhead notches method will produce straight fuselage will look great its covered Inlay 1/8 soft balsa between stringers forward section fuselage called plans Wing fillets Ive tried ways stiff bond paper method best SPECI FICATIONS Wingspan Fuselage Length Height Wing Area Loading. Weight 60 48in 15 530sq - 20 oz/sq ft 4Y2lb PowerGeared Astro 15 RadioFutaba 6 cli ServosFour Futaba 3-20 Prop13-8 Canopy040 butyrate plastic cowl050 ASA plastic Main WheelsRobart 3% Tail WheelRobart 1 SpinnerDu-Bre 3 August1963 35 finished assembled framework seems too beautiful coverbut gets oven beautiful covered finished decorated Could pass huge Rubber model think Its lightweight strong very realistic completed method purely trial-and-error Cut out few patterns lay up against fuselage Cut little time pattern until obtain proper fillet contour sure make up fillet contour formers will help final installation fillets glued place give few coats nitrate dope will make tougher provide good base paint final finish wont able glue wing fillets until 1/32 plywood wing saddle has installed fuselage Therefore next step would build wing assembly Wing Start laminating wing spars 1A x 1/8 hard balsa spruce Next cut out dihedral joiners 1/16 plywood set aside until ribs have cut 3/32 balsa make necessary cutouts ribs gear mounting blocks lightening aileron rods go through holes Build center section first Lay down spars position ribs Cut spars dihedral breaks Af ter ribs glued add top spars Steve puts auto battery use fieldcharging Astro 15s Ni-Cds another flight charger plugs fuselage just front wing switch just behind plug Two-blade flying prop shown three-blader other pics show ply dihedral joiners joiners will extend beyond butt ribs ap proximately 5 dont cut off will glued spars outer panels Lay down spars outer pan els build units complete ailerons finished slide panels onto joiners Note spar join ers will have bent fit flush faces spars due taper outer panels Bend neces sary add glue clamp clothes pins until dry Plank center section 1/16 sheet balsa certain dihedral both panels equal Install ailer rods bellcranks servo wing built can now re turn fuselage Cut 1/32 ply wing saddle fit awaiting cavity Check fit saddle wing place shim ply neces sary obtain good fit wing Now can go back complete wing fillet Since fillet tapers rather sharply leading edge build portion scrap soft balsa blocks blending fuselage 180-grit sandpaper wrapped around 3/8-in doweL Radiator appendage fits under wing centersection doesnt have function model 36 Model Aviation Sliding canopy mechanism detailed plans Its flown open position allow flow-through cooling air Instrument panel adds nice touch realism authors Hurr4cane easy spot lineup Valley Flyers Scale Contest too much wind day fly Hurricane received lot attention Hurricane would look rather naked tried something new making radiator 2-lb-density polyure thane foam foam very easy carve shape sand After final sanding coat ala phatic-resin glue thinned water applied dry sanded 320-grit wet-or-dry paper layer silkspan applied second coat glue followed slurry water-thinned Dap vinyl paste dry sanded smooth finish sounds heavy final result really quite light radiator looks great hanging under wing Prepared way takes beau tiful finish painted could build radiator balsa block think foam better also quicker Tail surfaces model shown plans constructed tapered spars both horizontal verti cal tail surfaces started build flat upon completion found just didnt look right built another set taper little work liked end result Im sure model would fly okay flat stab rudder builders choice Canopy original model con structed sliding canopy serve two purposes vent warm air fuselage other al low access servos mounted three-abreast ply plate along two-position switch motor control method used making sliding canopy involved two lengths 3/32-in aluminum tubing rails mounted fuselage sides split down middle 1/16-in slot side 1/16-india brass tubing mounted can opy section slipped alumi mum tubing used guides used pins inserted brass tubing soldered bent 90-deg anglethe pins acted mounting points lower edge canopy idea worked well may other methods builder would prefer use sliding canopy dont install until ship completed small 1/32 ply former gets glued front canopy once installed canopy cant removed canopy frame masked sprayed olive drab dope before installation Landing gear Using pattern shown front view plan bend main gear 1/8-in music wire Bend sway braces 1 / 1 6-in music wire bind solder braces Continued page 92 Nor Cali AVIONKSS ACCUETACH 1 IITAL rACHOMET get contInuOii accurate RPM ru Out select ldle topend adjus jth dual scale capabiliWO iOOX Quality built preci sion electronics VOLTME Eate Determine ~arge yOiffr batte out Check orbat cycle TXRX tery comboS 3 MoNITOR QUICK CAR~sibleto Makes%ak battery safelyharg0 bY pack fast c volt watchinQ tiny age drop 51gnals full charge ORDER YOURS NOW 79JaId send check money order no CODs NorCal AVIONICS inc PO Box 70956 Sunnyvaie CA 94086 California residents add 6% tax Add $300 shipping outside continental USA Dealer inquiries invited August 1983 37 N Now Kit Form Savejeven easy assemble 4 channel kit expandable 7 OnIy$ 7995 service parts available past manu factured EK Logitrol radios including Logitrol manufactured Cirrus Tower Hobby Lobby radios Free servo reversing Hobby Lobby radios included service work 95 wIth large linear servos 12995 small rotary servos & 4 Four Channel Radio Wider body ends aching shoulder muscles Angled easier monitoring battery charge Designed easily accept new frequencies Servo reversing simply reversing plug Adjustable stick tension Inexpensive replacement servos 45OmU hqttery pack 600mAH & 1200mAH extra Expani Full Commana bystems509 487-2122 908 E Rosewood Spokane WA 99207 Fun/Winter Continued page 85 proportional rudder others soon after multiple propor tional controls So fair account radio control would make historical tome handful folks smatter ing electronics fiddled pulse rates pulse widths mixed both two proportional con trols have heard tell Jerry Pul lin West Coast real father proportional got act together early full-house propo rigs popped up commercially California like spring flowers will tell story very early SOs MAN asked Paul Runge what new said some guy Virginia system called Galloping Ghost turned out own AMA Executive Director John Worth solved proportional elevator rudder simul mechanical means led four-part article link age arms actuator single infamous Victory motor connected rudder elevators position transmitter stick would enable constantly threshing surfaces average out some desired flight path ground plane looked sounded like wounded duck Hams concocted strange wonder ful rigs crates example Sigfried won Nats circa 1940 15-ft giant performed first loopin public anyway crate big glassed door peeked saw huge gears made think colonial watermill Fuliarton cited MAN article reported early Nats no flights took place day because pilots ran out day light before could complete tuning equipment Good brothers Guff osten sibly rudder-only aircraft did have elevators heading photo can see through magnifying glass two relays through inspection door second tiny elevators dont recall Walt ever making eleva tor maneuver Nats dont have foggiest notion triggered second escapementun less some folks tried Goods two receivers conjures up wild notions about transmitter two frequencies point just spoke Walt Good phone Florida Yes two receivers tuned opposite ends old Amateur Band 50 56 MHz three escape ments Big Guff also clapper its spark-ignition Brown Junior sort slowed down Goods option flying either rudder/elevator rudder/engine Guff also thermal-delay engine cutoff actuated holding rudder five secondswhich tells lot about Guffs turning characteristics reason never seen Goods use rudder competition receiver acted up connected better rudder way won heading photo youll note small control box held Bill Goods hand using three close-up lenses stacked together able read words Up Down adjacent stick Almost completely hidden under Bills forefinger button switch Walt says two either buttons switches evidently rudder left hand operated rudder right elevator desired frequency automatically determined move ments controls tiny box Until glow plug came along Ray Arden flew powered FF across Van Courtland Park 1904that date precise because once interviewed Ardenhanded out sample glow plugs Minneapolis Nats 1947 thing ignition Before 1950 two sets points ignition engines two speeds world went glow-ignition bananas Crates became spongy fuel melted nitrate dopes came fuel-proofers finally buty rate dopes years no way throttle glow second escapement triggered quick blip primary escapement operated clapper choked venturi idleand few botheredthe plane blubbered along low speed cloud smoke came two needle valves above other Inside crate clapper adja cent end air line leading loW needle would close air line both needles would pour fuel badly-flooded engine Clouds smoke horrendous cleanups heartbreakers Relay contacts quickly became dirty and/or pitted due voltage spike sparks crates smashed-up flew away often made successful flights Chet Lanzo quipped radio control permitted select loca tion crash 1951 went four months successful flight al though flew weekend year tip RC historical icebergand part age escapements landmark reached late Forties Vernon McNabbs 465 hand-held outfit gained first approv al FCC license-free operation wont go incredible adven ture beyond saying flew test units before leading own Citizen airplane old MAN Sensational developments take place constantly cant see Chips stuff know take superb radio systems granted DCRC Club Open House early 70s stage displayed historic RC jobs members including Walt Good developed end line late-mark Rudder Bug fullhouse controls relatively modern proportional circa 1955 Well never forget Walt looking wistfully highwing Bug already flying Pattern other types saying what thought would come eloquent proof future cant predicted todays basic technology What changed things Cali fornian named Dunn unable dur ing SOs attend Nats amused himself revising Bonner cabin Smog Hog low-wingerthe Astro Hog Sig has Astro Hog kit knew low-wingers didnt fly After Nats deBolt phoned us MAN told him junk cabin Pattern designs Stunned murmured California has gone low-wing exaggerated thats impossible retorted Perhaps moral order make progress must watch kinds models years before very nice lowwing model won Wakefield Cup Low-wing Rubber Scale models flying 1943 design Italian fighter much inproved flown modern techniques Pat Dailey won FAC Nats WW II event Earl Stahls North American Apache best ever before war great Kingfish Sadler Little Rock successfully flying low-wing FFs Nats Dont think is aint Auto pilots Just talked Bill Hershberger early April opportunity fly transmitter computerized sticks developed fel low club member encoder board replaced computer unit face transmitter num bered buttons can program possible maneuver side other numbered buttons 1 5 enable use transmitter different airplanes Apparently takes off uses sticks normally Bill says could tell difference sticks feel own Silver 7 Until five minutes ago talking tongue-in-cheek about future Bite tongue Bill Winter 4426 Altura Ct Fairfax VA 22030 Electric Hurricane/Crowe Continued page 37 main gear legs used wire soldering lugs ends sway braces mount ply gear braces Continued page 144 92 Model Aviation The Best Custom Screen Sportswear See Us NATS will design com memorative T-Shirt club special event Call write details Corsait iesigns just some avaition designs available top quality line sportswear designs direct print eat transferl Gee Bee Warhawks Fokker DVII. P38 Christen Eagle. Pitts Special . Citabria. AT6. p-47. Steerman. Curtis Jenny . Corsair . Coaches ShirtS1295T-ShirnSB95 Ladies TopS950Long Sleeve T$795 Shorts$S95BeaeballSS95 Lined JacketS2195Football$S95 Tote Bag5795Sweetshirt$950 Tire Cover$14S5Hooded SweatSi4SS HatSS95 Wide choice colors sizes Send $100 new Illustrated Brochure Nane Address CityStateZip Design SizeColor now accept MasterCard & Visa _____ TO ORDER Send check money order add 10% postagelhandling MD res 5% tax OR CALL COLLECT after 4pm write Phase Art 17102 Earlham Ct. Upper Marlboro MD 20772 3011843-3050 FF Duration/Meuser Continued tram page i41 Award 1983 noted individuals have contributed development continuity Free Flight model airplane ac tivities throughout US world Society proud recognize achievements Reginald Denny deceased modeler designs have widely accepted both 1930s 1980s can forget Dennymite engine John Gard scientific designer Wakefield Nordic models has car ried theory aeronautics practical application through designs Don McGovern Editor Flying Models magazine years designer truly unique models designer/draftsman model plans almost anyone else John Pond grandfather OldTimers activity throughout world has pusher Free Flight since 930s George Reich dedicated modeler desire achieve championship status realized fully 1961 won Wakefield Cup USA developed rubber-powered designs have widely mimicked other modelers Lawrence Smithline name remem bered oldster today Larrys articles model construction appeared old Flying Aces Model Airplane News Air Trails yesteryear todays mod elers cut modeling teeth Larrys de signs Model Year Awards Jim Wilson Model Year Chairman National Free Flight Society announces awards 1983 International Classes FlAMatt GewainPacer 14 FiBAtain Landeau FiCAdreas Mecxner Delfsn AMA Power SmallRoman Ramirez Careo LargeHal WoodsSummerwind Doug Gaibreath744 Other Categories Hand-Phil Hainer JrKwik Flip II LaunchedPhil Hainer Sr Glider IndoorStan ChiltonSweet 16 EZ-B UnlimitedBob WhiteUnlimited UnRubberlimited ScaleDon SrullSantos DuMont SpecialEd DotbyFAI Rubber awardees have invited display discuss models NFFS Sym posium held AMA Nationals July Drawings photos stories about models will appear NFFS Sym posium Report will available Nationals mail order further information contact Jim Wilson 1030 Ave nue D Redondo Beach CA 90277 Bob Meuser 4200 Gre gory St Oakland CA 94619 Electric Hurricane/Crowe Continued page 92 wing small wood screws main gear mounted gear blocks aluminum straps screws gear fairing doors 050 ASA plastic Small metal strips soldered gear legs hold gear doors means 2-56 screws through small holes drilled straps gear doors tail wheel held Du Bro wheel collar Study plans steering arm soldered top collar picks up rudder cable steering engine cowl can carved bal sa laid-up fiberglass pulled plastic cowl model made ASA plastic pulled over wooden pattern cockpit canopy made same way isnt really lot effort carving plug have access vacu-form ma chine give try Make exhaust manifolds scrap soft balsa apply sanding sealer finish flat black paint Finishing Since trying keep models weight low chose cover MonoKote tried find flat-finish type mentioned Don Srulls Spitfire article no luck ended up glossy stuff 144 Model Aviation Gee Bee Designed RIC Combat agile little performer can fly rings around airplane youve ever owned youre looking really spirited responsive aircraft thats easier build fly Warbird exactly what need 3 Channel RIC 19 25 36Span Mixer Included $3495 OWBIRD Showbird big gest best has rock steady pattern performance thats amazing because will rolls straight up out sight stock K & B 40 slows down like glider landing 64 inches beautiful flying wing will make look great field Precision kit 2540 engine 7 eel ol rolled plans $5995 See dealer first send check money order Pacific Air 15 Skyline Drive Woodside CA 94062 %%y 1131 NW 45 Slreet Ft Lauderdale FL 33309 1305 491-6 175 ENGINEERING TIlE LANDING SEAR PEOPLE Tired bi laildiag gears kit dust III biggie properly 0 & 0 Eaglneenllg can seIne year probleesl * Custom heBI seeds & syocs guarasleed * Straug & durable ti wilhstasd Ike leogbesl lauding * 0 & 0 Engineering gear will work & beep biggie flag * In stack roploemeellI gear popular models Ryram Pills Christie Eagle CAP 21 Ralsa USA J-3 CUB Air Tech Powece Eugle Nesee Big Stick Cbamp Cltabria & II models Snapper Stieger snapper Too painted flat Pactra Formula U covered fuselage silk gets around compound curves easily weight adds negligible fuse lage given four coats nitrate dope final finish light coat Formula U olive drab followed light coat camouflage flat tan Before painting wiped MonoKote areas acetone remove oil dirt Decals produced Dave Platt Models very close proper size model Control rods used Suliivan Gold-NRod cable type lightweight flexible can easily positioned through fuselage bulkheads cable system moving elevator rudder makes very neat installa tion like attach cable servo arms either Du-Bro Gold berg easy connectors rig con trols setup need loosen screw connector move cable fore aft get desired result Flying Did get everything lined-up properly wing tips have cor rect amount washout Are control attachment points secure Are wheels tight Dont laugh Ive seen new ship leave wheel roll ing down runway lifted off cause pre-flight check overlooked takes small item destroy three four months work Check balance point should fall between 25% 30% wing chord Dont fly ship tail-heavy rearward balance point courting snap-roll disaster sure CC correct point model tested 13-in-dia 8-in-pitch prop did very well once trimmed out Later tried 12-8 13-incher seemed put out much thrust 530 sq wing area model handles 4-lb total weight ease During test flights motor battery closely watched bit concerned might heat up too much seems stay very cooL believe Hurricane would really perform new Cobalt motors Maybe Ill try later now Im having ball straight Astro 15 gear unit dont think will have regrets build ship took Hurri cane Valley Flyers Contest California stole show youre looking fun Scale project has great looks flyabiity SAFE FLYING IS NO ACCIDENT ************* *** ** WW***W * * * * WANDITTM * *Dealers Invited * * COn yOar warranty * ~J -K *CORD *Wet DryK * Stich AbrasivesK K *A Keen Machine' gives enceptionalK *sanding control encellent finish* * * 8995 Basic OcI 1 flat Wand 1 * ritsK *10895 Builder Special mcI 2 fIat 1 half * ano wand 5 6 grtsK *12995 Delver includes 3 flar 2 halfK * nd wauds buff wanos andK -K * 6 grits * *Addtional Wands Abrasves ava ableK * e local hobby shopK *K *80015 ELMORE Eoe No 1214 288 5780K * P 0 Box 266 uite Texas 75149K K KKKKKKKKKK*K Radio Technique/Myers Continued page 39 tion selectively amplifies signals between 72 73 MHz rest gives us second stage filtering Meanwhile crystal-controlled oscillator LO receiver running fre quency precisely 455 MHz above transmitters frequency oscil lators voltage frequency injected mixer along amplified RE voltages IRE section mixer frequency present mixed other frequency present including local oscillator mixing new fre Continued page 148 August 1983 145 INTRODUCING THE NEW FOX 36 RC Schneurle Ported Ball Bearing Main BRAND NEW 36 RC.evolved highly successful Combat Special took highly successful Fox Combat Special fitted new MarkXtype carburetor made porting head modifications get run idle well no-nitro fuel Result.the powerful 36 RC market new Fox 36 RC combines power superb idling characteristics light weight.and delivers lowest cost fuels 23900 Fox 36 RO$5995 90236 TiltUp Muffler1495 90237 Tilt-Down Muffler1495 F 0 X MANUFACTURING Co 5305 TDWSON AVEFORT SMITH ARK 72901 Hot Line SOif 686-1656 IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA$20950 New 22 CID QUADRA$10950 Req 22 QUADRA $10450 Brisighelle Flywheel 012450 Req 22 QUADRA POWER ASSEMBLY ONLY 86450 QUADRA REPAIR 1000 pIes pews Jim Mesner ERCOUPEPLANS 82395 KIT $23995 Jim Messe TOMAHAWKPLANS $2395 KIT $25995 Jinx Messe 9-BALL TRAINER PLANS $1695 KIT $9995 BALSA end BASSWOOD fell siesI 35% OFF Connept FLEET PLANS $2995 KIT $15995 COWL $1995 P6W RADIAL ENGINES tar Fleet $2495 VICKERS LEWIS MACHINE GUN KITS $1495 CECONITE Podunts 10% OFF Siq J3 CUB KIT $12495 PLANS SUPER STEARMAN IGedfreyl $2095 STARDUSTER TOO IBrisighellel J3 CUB NeIit $2995 VOLKSPLANE IChinken Cherliel $2395 COCKPIT KITS Tonehewk F4U-1 Spitfire $2295 Ernoepe $2095 Steernien 82295 Citebrie $2495 J-3 Cob $2195 ME-109 $2295 Fleet $2195 US Ocedre FUEL TANKSlOne $695 32 en $795 FIBERGLASS ARROW SHAFTS 511$ s 32 long 61$1l1110 24-Hour Service. Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 VelleY View Dr Allegeny NY 14706 AU NEW cusro SCNNEURLE cox 009 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom parts Cox TD 020 049 051 & 09 engines Competition parts & accessories Combat Free Fit C/L & A/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna Hills CA 92653 Telephone 714 830-5162
Edition: Model Aviation - 1983/08
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 92, 144, 145
NO OCR TEXT NO OCR TEXT bottom can see landing gear installation radiator Reduction-belt-drive MaIro 15 provides plenty power carved foam Main wheels 2h-in-dia Robart firewall cooling air exits cockpit Futaba S-20 servo mounts wing center section Hardwood dowels trailing edge provide reinforcement hold-downs Electric Id fooling around Kraft Chipmunk very impressed silence smooth ness control flew greater urge became build something larger power little reluctant beginning tackle such Electric model after reading about success SruIls Spit fire threw caution wind Wing saddle ot 1/32 ply makes good platform mounting wing ana Deels-up ui lage Note wing hold-down points rear platform Holes alongside radio com partment give access wood screws holding servo platform rails close look will reveal dropping resistor three-position switch mounted bottom servo tray 32 Model Aviation Exhaust stacks made scrap soft balsa painted tias blacK Panel lines add realism very little weight penalty Tail wheel 1-in Robart mounted fuselage fairing Attachment rudder cable makes steerable See details plan -yijw OMEMIA~JA1 Q4JT GRASS VA IIUI19 TS NOWAYI THATLL N HIS -ITS CHUCKVOW SUREEN READIN JUSTASMIH NOTHING NEXT T END UPINAMUSEUM ALTLIHIDE WHAT BRINGS WV TUR tRIPs N MA lOCK E4DIN THEM SNAPPf MAR NE LIKE T BIJ LOER AWAY'vHERE U5 ARE NUTS JRFUNEs UJ TURN OUTALl HE FL ES NOW 15 T WVURO ITRSESf-IIEYCNIXK ON THESPA11 CANS WITH /-AND ijLEVEL-IS NKSHEELS TOCRAT -FL AT DULLES--HANKSEZ BY ALL MIANS vsritJ BALSA FIN BASE BLOCKS 5/16 X 3/8 LE STABILIZER FIVE LAMINATIONS 1/16 X /4 BALSA FIN AND RUDDER ONLY I/8x /2 BALSA RIBS 1/4 X 1/2BALSA FIN AND RUDDER POSTS 3/8 BALSA T EDGE 1PED SPRAED FRAMES HEAT PASSAGE HCLE040 BUlYRATEVii AILERON SERvo IN WING j76~ 7 N / 0 3 DUBRO SPINNER C, GEARED ASTROI5 ELECTRIC MOTOR ca C COOLING AIRMOTORFl I/B LITE-PLY INLET PORTMCflJNT SLEEFIREWALL DOUBLED TO 3/16 BALSA / I/16PLY I3/I6CY*EL DIHEDRAL/~ V8 BALSA IWINGI BRACES~4\ SHEETBETWEENMOUNT/VI6 I/8SO STRINGERS/ TO F4I/I6PLWiOODSAflCtE L MWIRE L GEAR 3/8X 3/4MAPLE BWCK- ROBART 3 I/4WNEELS 1/16 RODS ALUM lUBE IN MAST 3/32 BALSA WEBS PLASTIC OR PlY RIRtIG 2-56 SCREWS tJlO ALUM TABS 1 DOUBLED SPRUCE BOTTOM SPAR TO RIB B/ DOUBLED -fop I/4X 5/8 BALSA LEAIMNG EDGE X 1/2 BALSA SRS FOR S1B 3/8 STOCK VENTRAL FAIRING 1TAILWHEELCtJ LI6 WIRE 10 DUBRO COLLARS AND STEER FROM RUDDER 3/I6 SO BALSA DOUBLED FOR FOUR KEELS SAND FORMERSI/B BALSA SHEET FORMERS F-7 10 F-b BETWEEN STRINGERS V8 SHEET FAIRING BACK UP WING MOUNT BWCKS I/4X WITH T-NUTS 1/16 SHEET C/SECTION COVER 1/16 PLY SPAR BRS I/Bx YB BALSATE OVER I/16x SHEET TEBOTIOM U 1/16 SHEET OVER I/BAIL SPAR 1/16 SHEET OVER I/B SPAR X 3/B BALSA TIP SECTIONS I/8x 1/4 BALSA SPAR TOPS AND BOITOMS OUT 10 TIPS DJLERON BELICRANK3/32 BALSA ALL RIBS ON /16 PLWOCO EXHAUST MABAFOD- ABAPEin PIjOTS PROM SHOE PAPER s 4KIFUSELAGE TOP VIEPp MAKE ORE PROM AB LITE PLO AXIS 0411 PROM NTOFIG BALSA SlEETAS BALSAF-9 F-3P4 OMSABSSE SLNEHNF-IF-S F-2F-SFSTRRIH AXITNBNA TARA ARE 51K BALSA SHEETARTERIALBASJT chrARTORIAS SUROIS H*AORTALAIROOM TIBRIKAr 114 AMOKFINiRUD PRRMEBS PR TO P4MERIOR41111RB OMIT 2 BAYS PRO ____________________BATT CROCRAK OJYLET RANKER AJSTTMAA MAST ORIGINAL IMAKI FILERSALL BEELS MN IS IN KIA B RROI PR PILLTOP-O...SSTNIMABRO RHO 4 -LMKMATORE OF / F IN SEPT BALSA SUER UP TA AMOS-MNBAA-AK PR PHP-T-P2*11K P OARS OSSISTp MAROEK A00-L-79—--SOFT BALSA110 ILOKATIARORI 2 RART TIRAT KOIBSEB BANK01100gArMBPEO QSELAGEIDE VIEW R0 LA-ET__K__ }AMBOL S AlA MJBAOHTNI 0455CR-IRHAITLIO BALSA 3/N SOFT 5MMPOOH TSANR TO T*5NNEEL PABAIAKS/RI AT TAR SEAMS *01110 INLW PIT ARER4 $M5j~r 110 OBANKEIO BLOOTRIC MOTARHAIR SKOOFI/IN MWM/1TW BALSANOW BASSO CARMTAR1AI*IRSIBABSOF S -BRARTOMLAS AIATE EL AVIATION OASIS MM ROOMSSAKS BA 04N PIT AR RIO-FoAMHAWKER P5051K MABETI/NM/SIC---. IHURRICANE WarnOMAAA-uunrJI 0255115 SI/0 MO ROBARTALT DESIGNED S DRAWN NY STEVE CRONE ROMOLSROOMTAAIflMEL OCTAL ACING ST JOE DEMANCO DEAR DOOR OCTALha SIllS 55551111MB R F R5 0 N started full-steam Hurricane end result wasnt disappoint ment way ship came out half-pound heavier what shooting amount fixed weight contend wasnt too bad purposely went thick Clark Y airfoil plane did come out bit heavy wing could handle little no adverse effect flying characteristics Also prototype thick airfoil sec tion wanted retain sake appearance main thing about building Elec trics very conscious elements weight Fixed weight motor motor batteries RC gear going whatever adds up just isnBt way around need compensate making structure final finish lightweight possible fixed weight model 42 oz structure cov ering paint etc weighed 30 oz can see important select lightweight balsa other ma terials want model really successful could lower fixed weight over lighter wheels spinner 250 mAh flight battery etc decided stick regular commercial items just no way put words feeling get see Hurricane take off climb blue looks real feel sitting cockpit tracks straight takeoff need just touch rudder Hold little upelevator starting takeoff run As speed builds gradually release back pressure after run about 100 ft will lift off smooth silk Dont force keep climb turns shallow grab some altitude control response positive smooth watch out dont over-control ailerons quite effective should used light pressures model flies like real thing get ham-handed controls youll Abuy farm two-position motor switch works beautifully throttle back cruise4 model just leaks off altitude gradually can set up ap proach will envy everyone field Like tapered low-wing aircraft has tendency tipstall angle attack high airspeed slowdont get too slow landing approaches Keep model fly ing normal approach attitude down runway gently flair out cut 34 Model Aviation units have built sanued entire model ready covering Its wellengineered have strength needed undue weight penalty FULL-SIZE PLANS AVAILABLE. SEE PAGE 164 j3C5 Sj LAAB*TIAB SON STABILIZER B ELEVATOR TT CS STAONAB BOO-S0 SETTBAAIIEBOS FUSELAGE FRONT VIEW A-N A-B A-A BESOATOBNOTE ALL BUS MAW PAWA SflA tALSAflfl TAPES CO TO CTBAT 1W 0 R-2 R-315 -Th R-4 3dB lAS IMBAlANCE SECTION AILESOO LEBOBAS E900 Lsr BALSAOISA BALSA 5fl2 AL RABS PLASTIC COBOOT IAB MASS TIBE N S0 ,A-A BiP-IIBI IIOAOBOBIooooTCANOPY DETAIL ISO 00500CC TEA 554KB MS -BE SSOBAASAIS SCBTE BBEOIOSEOI LIBATE ONIM IAS IA-F 05 USPLO3BIIBO 10 AEON DAWET 2 OF 5 NOOEL AVIATI0I HAWKER HURRICANE Mk SCALE I5 WER ASTRO IS MOIOR DESIGNED S DRAWN BY STEW CROWE USE IAlIA SBUS ACING BY JOE DEMARCO PLAN LEFT SIDEAOE~AT ABBUIRNAB switch ease down ship also makes beautiful wheel landings dont afraid grease tail-high used following control throws Rudder /2 left right Elevator 3/4 up down Ailerons 3/4 up /2 down Throttle Switch forward po sition high speed fuselage built-up using halfshell method lightweight very strong stringers added Start laying-up fuselage keels completed lay down keels fuselage side-view plan add bulkheads respective stations Make certain 90 de grees keeL Add side keel Make sure bulkheads square glue place should now have fuselage half-shell Remove plan add kulkheads opposite side Upon completion start adding stringers alternating pattern keep sighting down main keels correcting necessary keep fuselage true will notice few stringer locations marked bulkhead drawings plans Cutting stringer notches bulkheads advance isnt recommended apt produce wavy stringers bet ter use actual stringers guide Heres Notch forward bulkhead lay stringer notch pin stringer its proper location tail post using stringer guide mark other bulkhead notches method will produce straight fuselage will look great its covered Inlay 1/8 soft balsa between stringers forward section fuselage called plans Wing fillets Ive tried ways stiff bond paper method best SPECI FICATIONS Wingspan Fuselage Length Height Wing Area Loading. Weight 60 48in 15 530sq - 20 oz/sq ft 4Y2lb PowerGeared Astro 15 RadioFutaba 6 cli ServosFour Futaba 3-20 Prop13-8 Canopy040 butyrate plastic cowl050 ASA plastic Main WheelsRobart 3% Tail WheelRobart 1 SpinnerDu-Bre 3 August1963 35 finished assembled framework seems too beautiful coverbut gets oven beautiful covered finished decorated Could pass huge Rubber model think Its lightweight strong very realistic completed method purely trial-and-error Cut out few patterns lay up against fuselage Cut little time pattern until obtain proper fillet contour sure make up fillet contour formers will help final installation fillets glued place give few coats nitrate dope will make tougher provide good base paint final finish wont able glue wing fillets until 1/32 plywood wing saddle has installed fuselage Therefore next step would build wing assembly Wing Start laminating wing spars 1A x 1/8 hard balsa spruce Next cut out dihedral joiners 1/16 plywood set aside until ribs have cut 3/32 balsa make necessary cutouts ribs gear mounting blocks lightening aileron rods go through holes Build center section first Lay down spars position ribs Cut spars dihedral breaks Af ter ribs glued add top spars Steve puts auto battery use fieldcharging Astro 15s Ni-Cds another flight charger plugs fuselage just front wing switch just behind plug Two-blade flying prop shown three-blader other pics show ply dihedral joiners joiners will extend beyond butt ribs ap proximately 5 dont cut off will glued spars outer panels Lay down spars outer pan els build units complete ailerons finished slide panels onto joiners Note spar join ers will have bent fit flush faces spars due taper outer panels Bend neces sary add glue clamp clothes pins until dry Plank center section 1/16 sheet balsa certain dihedral both panels equal Install ailer rods bellcranks servo wing built can now re turn fuselage Cut 1/32 ply wing saddle fit awaiting cavity Check fit saddle wing place shim ply neces sary obtain good fit wing Now can go back complete wing fillet Since fillet tapers rather sharply leading edge build portion scrap soft balsa blocks blending fuselage 180-grit sandpaper wrapped around 3/8-in doweL Radiator appendage fits under wing centersection doesnt have function model 36 Model Aviation Sliding canopy mechanism detailed plans Its flown open position allow flow-through cooling air Instrument panel adds nice touch realism authors Hurr4cane easy spot lineup Valley Flyers Scale Contest too much wind day fly Hurricane received lot attention Hurricane would look rather naked tried something new making radiator 2-lb-density polyure thane foam foam very easy carve shape sand After final sanding coat ala phatic-resin glue thinned water applied dry sanded 320-grit wet-or-dry paper layer silkspan applied second coat glue followed slurry water-thinned Dap vinyl paste dry sanded smooth finish sounds heavy final result really quite light radiator looks great hanging under wing Prepared way takes beau tiful finish painted could build radiator balsa block think foam better also quicker Tail surfaces model shown plans constructed tapered spars both horizontal verti cal tail surfaces started build flat upon completion found just didnt look right built another set taper little work liked end result Im sure model would fly okay flat stab rudder builders choice Canopy original model con structed sliding canopy serve two purposes vent warm air fuselage other al low access servos mounted three-abreast ply plate along two-position switch motor control method used making sliding canopy involved two lengths 3/32-in aluminum tubing rails mounted fuselage sides split down middle 1/16-in slot side 1/16-india brass tubing mounted can opy section slipped alumi mum tubing used guides used pins inserted brass tubing soldered bent 90-deg anglethe pins acted mounting points lower edge canopy idea worked well may other methods builder would prefer use sliding canopy dont install until ship completed small 1/32 ply former gets glued front canopy once installed canopy cant removed canopy frame masked sprayed olive drab dope before installation Landing gear Using pattern shown front view plan bend main gear 1/8-in music wire Bend sway braces 1 / 1 6-in music wire bind solder braces Continued page 92 Nor Cali AVIONKSS ACCUETACH 1 IITAL rACHOMET get contInuOii accurate RPM ru Out select ldle topend adjus jth dual scale capabiliWO iOOX Quality built preci sion electronics VOLTME Eate Determine ~arge yOiffr batte out Check orbat cycle TXRX tery comboS 3 MoNITOR QUICK CAR~sibleto Makes%ak battery safelyharg0 bY pack fast c volt watchinQ tiny age drop 51gnals full charge ORDER YOURS NOW 79JaId send check money order no CODs NorCal AVIONICS inc PO Box 70956 Sunnyvaie CA 94086 California residents add 6% tax Add $300 shipping outside continental USA Dealer inquiries invited August 1983 37 N Now Kit Form Savejeven easy assemble 4 channel kit expandable 7 OnIy$ 7995 service parts available past manu factured EK Logitrol radios including Logitrol manufactured Cirrus Tower Hobby Lobby radios Free servo reversing Hobby Lobby radios included service work 95 wIth large linear servos 12995 small rotary servos & 4 Four Channel Radio Wider body ends aching shoulder muscles Angled easier monitoring battery charge Designed easily accept new frequencies Servo reversing simply reversing plug Adjustable stick tension Inexpensive replacement servos 45OmU hqttery pack 600mAH & 1200mAH extra Expani Full Commana bystems509 487-2122 908 E Rosewood Spokane WA 99207 Fun/Winter Continued page 85 proportional rudder others soon after multiple propor tional controls So fair account radio control would make historical tome handful folks smatter ing electronics fiddled pulse rates pulse widths mixed both two proportional con trols have heard tell Jerry Pul lin West Coast real father proportional got act together early full-house propo rigs popped up commercially California like spring flowers will tell story very early SOs MAN asked Paul Runge what new said some guy Virginia system called Galloping Ghost turned out own AMA Executive Director John Worth solved proportional elevator rudder simul mechanical means led four-part article link age arms actuator single infamous Victory motor connected rudder elevators position transmitter stick would enable constantly threshing surfaces average out some desired flight path ground plane looked sounded like wounded duck Hams concocted strange wonder ful rigs crates example Sigfried won Nats circa 1940 15-ft giant performed first loopin public anyway crate big glassed door peeked saw huge gears made think colonial watermill Fuliarton cited MAN article reported early Nats no flights took place day because pilots ran out day light before could complete tuning equipment Good brothers Guff osten sibly rudder-only aircraft did have elevators heading photo can see through magnifying glass two relays through inspection door second tiny elevators dont recall Walt ever making eleva tor maneuver Nats dont have foggiest notion triggered second escapementun less some folks tried Goods two receivers conjures up wild notions about transmitter two frequencies point just spoke Walt Good phone Florida Yes two receivers tuned opposite ends old Amateur Band 50 56 MHz three escape ments Big Guff also clapper its spark-ignition Brown Junior sort slowed down Goods option flying either rudder/elevator rudder/engine Guff also thermal-delay engine cutoff actuated holding rudder five secondswhich tells lot about Guffs turning characteristics reason never seen Goods use rudder competition receiver acted up connected better rudder way won heading photo youll note small control box held Bill Goods hand using three close-up lenses stacked together able read words Up Down adjacent stick Almost completely hidden under Bills forefinger button switch Walt says two either buttons switches evidently rudder left hand operated rudder right elevator desired frequency automatically determined move ments controls tiny box Until glow plug came along Ray Arden flew powered FF across Van Courtland Park 1904that date precise because once interviewed Ardenhanded out sample glow plugs Minneapolis Nats 1947 thing ignition Before 1950 two sets points ignition engines two speeds world went glow-ignition bananas Crates became spongy fuel melted nitrate dopes came fuel-proofers finally buty rate dopes years no way throttle glow second escapement triggered quick blip primary escapement operated clapper choked venturi idleand few botheredthe plane blubbered along low speed cloud smoke came two needle valves above other Inside crate clapper adja cent end air line leading loW needle would close air line both needles would pour fuel badly-flooded engine Clouds smoke horrendous cleanups heartbreakers Relay contacts quickly became dirty and/or pitted due voltage spike sparks crates smashed-up flew away often made successful flights Chet Lanzo quipped radio control permitted select loca tion crash 1951 went four months successful flight al though flew weekend year tip RC historical icebergand part age escapements landmark reached late Forties Vernon McNabbs 465 hand-held outfit gained first approv al FCC license-free operation wont go incredible adven ture beyond saying flew test units before leading own Citizen airplane old MAN Sensational developments take place constantly cant see Chips stuff know take superb radio systems granted DCRC Club Open House early 70s stage displayed historic RC jobs members including Walt Good developed end line late-mark Rudder Bug fullhouse controls relatively modern proportional circa 1955 Well never forget Walt looking wistfully highwing Bug already flying Pattern other types saying what thought would come eloquent proof future cant predicted todays basic technology What changed things Cali fornian named Dunn unable dur ing SOs attend Nats amused himself revising Bonner cabin Smog Hog low-wingerthe Astro Hog Sig has Astro Hog kit knew low-wingers didnt fly After Nats deBolt phoned us MAN told him junk cabin Pattern designs Stunned murmured California has gone low-wing exaggerated thats impossible retorted Perhaps moral order make progress must watch kinds models years before very nice lowwing model won Wakefield Cup Low-wing Rubber Scale models flying 1943 design Italian fighter much inproved flown modern techniques Pat Dailey won FAC Nats WW II event Earl Stahls North American Apache best ever before war great Kingfish Sadler Little Rock successfully flying low-wing FFs Nats Dont think is aint Auto pilots Just talked Bill Hershberger early April opportunity fly transmitter computerized sticks developed fel low club member encoder board replaced computer unit face transmitter num bered buttons can program possible maneuver side other numbered buttons 1 5 enable use transmitter different airplanes Apparently takes off uses sticks normally Bill says could tell difference sticks feel own Silver 7 Until five minutes ago talking tongue-in-cheek about future Bite tongue Bill Winter 4426 Altura Ct Fairfax VA 22030 Electric Hurricane/Crowe Continued page 37 main gear legs used wire soldering lugs ends sway braces mount ply gear braces Continued page 144 92 Model Aviation The Best Custom Screen Sportswear See Us NATS will design com memorative T-Shirt club special event Call write details Corsait iesigns just some avaition designs available top quality line sportswear designs direct print eat transferl Gee Bee Warhawks Fokker DVII. P38 Christen Eagle. Pitts Special . Citabria. AT6. p-47. Steerman. Curtis Jenny . Corsair . Coaches ShirtS1295T-ShirnSB95 Ladies TopS950Long Sleeve T$795 Shorts$S95BeaeballSS95 Lined JacketS2195Football$S95 Tote Bag5795Sweetshirt$950 Tire Cover$14S5Hooded SweatSi4SS HatSS95 Wide choice colors sizes Send $100 new Illustrated Brochure Nane Address CityStateZip Design SizeColor now accept MasterCard & Visa _____ TO ORDER Send check money order add 10% postagelhandling MD res 5% tax OR CALL COLLECT after 4pm write Phase Art 17102 Earlham Ct. Upper Marlboro MD 20772 3011843-3050 FF Duration/Meuser Continued tram page i41 Award 1983 noted individuals have contributed development continuity Free Flight model airplane ac tivities throughout US world Society proud recognize achievements Reginald Denny deceased modeler designs have widely accepted both 1930s 1980s can forget Dennymite engine John Gard scientific designer Wakefield Nordic models has car ried theory aeronautics practical application through designs Don McGovern Editor Flying Models magazine years designer truly unique models designer/draftsman model plans almost anyone else John Pond grandfather OldTimers activity throughout world has pusher Free Flight since 930s George Reich dedicated modeler desire achieve championship status realized fully 1961 won Wakefield Cup USA developed rubber-powered designs have widely mimicked other modelers Lawrence Smithline name remem bered oldster today Larrys articles model construction appeared old Flying Aces Model Airplane News Air Trails yesteryear todays mod elers cut modeling teeth Larrys de signs Model Year Awards Jim Wilson Model Year Chairman National Free Flight Society announces awards 1983 International Classes FlAMatt GewainPacer 14 FiBAtain Landeau FiCAdreas Mecxner Delfsn AMA Power SmallRoman Ramirez Careo LargeHal WoodsSummerwind Doug Gaibreath744 Other Categories Hand-Phil Hainer JrKwik Flip II LaunchedPhil Hainer Sr Glider IndoorStan ChiltonSweet 16 EZ-B UnlimitedBob WhiteUnlimited UnRubberlimited ScaleDon SrullSantos DuMont SpecialEd DotbyFAI Rubber awardees have invited display discuss models NFFS Sym posium held AMA Nationals July Drawings photos stories about models will appear NFFS Sym posium Report will available Nationals mail order further information contact Jim Wilson 1030 Ave nue D Redondo Beach CA 90277 Bob Meuser 4200 Gre gory St Oakland CA 94619 Electric Hurricane/Crowe Continued page 92 wing small wood screws main gear mounted gear blocks aluminum straps screws gear fairing doors 050 ASA plastic Small metal strips soldered gear legs hold gear doors means 2-56 screws through small holes drilled straps gear doors tail wheel held Du Bro wheel collar Study plans steering arm soldered top collar picks up rudder cable steering engine cowl can carved bal sa laid-up fiberglass pulled plastic cowl model made ASA plastic pulled over wooden pattern cockpit canopy made same way isnt really lot effort carving plug have access vacu-form ma chine give try Make exhaust manifolds scrap soft balsa apply sanding sealer finish flat black paint Finishing Since trying keep models weight low chose cover MonoKote tried find flat-finish type mentioned Don Srulls Spitfire article no luck ended up glossy stuff 144 Model Aviation Gee Bee Designed RIC Combat agile little performer can fly rings around airplane youve ever owned youre looking really spirited responsive aircraft thats easier build fly Warbird exactly what need 3 Channel RIC 19 25 36Span Mixer Included $3495 OWBIRD Showbird big gest best has rock steady pattern performance thats amazing because will rolls straight up out sight stock K & B 40 slows down like glider landing 64 inches beautiful flying wing will make look great field Precision kit 2540 engine 7 eel ol rolled plans $5995 See dealer first send check money order Pacific Air 15 Skyline Drive Woodside CA 94062 %%y 1131 NW 45 Slreet Ft Lauderdale FL 33309 1305 491-6 175 ENGINEERING TIlE LANDING SEAR PEOPLE Tired bi laildiag gears kit dust III biggie properly 0 & 0 Eaglneenllg can seIne year probleesl * Custom heBI seeds & syocs guarasleed * Straug & durable ti wilhstasd Ike leogbesl lauding * 0 & 0 Engineering gear will work & beep biggie flag * In stack roploemeellI gear popular models Ryram Pills Christie Eagle CAP 21 Ralsa USA J-3 CUB Air Tech Powece Eugle Nesee Big Stick Cbamp Cltabria & II models Snapper Stieger snapper Too painted flat Pactra Formula U covered fuselage silk gets around compound curves easily weight adds negligible fuse lage given four coats nitrate dope final finish light coat Formula U olive drab followed light coat camouflage flat tan Before painting wiped MonoKote areas acetone remove oil dirt Decals produced Dave Platt Models very close proper size model Control rods used Suliivan Gold-NRod cable type lightweight flexible can easily positioned through fuselage bulkheads cable system moving elevator rudder makes very neat installa tion like attach cable servo arms either Du-Bro Gold berg easy connectors rig con trols setup need loosen screw connector move cable fore aft get desired result Flying Did get everything lined-up properly wing tips have cor rect amount washout Are control attachment points secure Are wheels tight Dont laugh Ive seen new ship leave wheel roll ing down runway lifted off cause pre-flight check overlooked takes small item destroy three four months work Check balance point should fall between 25% 30% wing chord Dont fly ship tail-heavy rearward balance point courting snap-roll disaster sure CC correct point model tested 13-in-dia 8-in-pitch prop did very well once trimmed out Later tried 12-8 13-incher seemed put out much thrust 530 sq wing area model handles 4-lb total weight ease During test flights motor battery closely watched bit concerned might heat up too much seems stay very cooL believe Hurricane would really perform new Cobalt motors Maybe Ill try later now Im having ball straight Astro 15 gear unit dont think will have regrets build ship took Hurri cane Valley Flyers Contest California stole show youre looking fun Scale project has great looks flyabiity SAFE FLYING IS NO ACCIDENT ************* *** ** WW***W * * * * WANDITTM * *Dealers Invited * * COn yOar warranty * ~J -K *CORD *Wet DryK * Stich AbrasivesK K *A Keen Machine' gives enceptionalK *sanding control encellent finish* * * 8995 Basic OcI 1 flat Wand 1 * ritsK *10895 Builder Special mcI 2 fIat 1 half * ano wand 5 6 grtsK *12995 Delver includes 3 flar 2 halfK * nd wauds buff wanos andK -K * 6 grits * *Addtional Wands Abrasves ava ableK * e local hobby shopK *K *80015 ELMORE Eoe No 1214 288 5780K * P 0 Box 266 uite Texas 75149K K KKKKKKKKKK*K Radio Technique/Myers Continued page 39 tion selectively amplifies signals between 72 73 MHz rest gives us second stage filtering Meanwhile crystal-controlled oscillator LO receiver running fre quency precisely 455 MHz above transmitters frequency oscil lators voltage frequency injected mixer along amplified RE voltages IRE section mixer frequency present mixed other frequency present including local oscillator mixing new fre Continued page 148 August 1983 145 INTRODUCING THE NEW FOX 36 RC Schneurle Ported Ball Bearing Main BRAND NEW 36 RC.evolved highly successful Combat Special took highly successful Fox Combat Special fitted new MarkXtype carburetor made porting head modifications get run idle well no-nitro fuel Result.the powerful 36 RC market new Fox 36 RC combines power superb idling characteristics light weight.and delivers lowest cost fuels 23900 Fox 36 RO$5995 90236 TiltUp Muffler1495 90237 Tilt-Down Muffler1495 F 0 X MANUFACTURING Co 5305 TDWSON AVEFORT SMITH ARK 72901 Hot Line SOif 686-1656 IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA$20950 New 22 CID QUADRA$10950 Req 22 QUADRA $10450 Brisighelle Flywheel 012450 Req 22 QUADRA POWER ASSEMBLY ONLY 86450 QUADRA REPAIR 1000 pIes pews Jim Mesner ERCOUPEPLANS 82395 KIT $23995 Jim Messe TOMAHAWKPLANS $2395 KIT $25995 Jinx Messe 9-BALL TRAINER PLANS $1695 KIT $9995 BALSA end BASSWOOD fell siesI 35% OFF Connept FLEET PLANS $2995 KIT $15995 COWL $1995 P6W RADIAL ENGINES tar Fleet $2495 VICKERS LEWIS MACHINE GUN KITS $1495 CECONITE Podunts 10% OFF Siq J3 CUB KIT $12495 PLANS SUPER STEARMAN IGedfreyl $2095 STARDUSTER TOO IBrisighellel J3 CUB NeIit $2995 VOLKSPLANE IChinken Cherliel $2395 COCKPIT KITS Tonehewk F4U-1 Spitfire $2295 Ernoepe $2095 Steernien 82295 Citebrie $2495 J-3 Cob $2195 ME-109 $2295 Fleet $2195 US Ocedre FUEL TANKSlOne $695 32 en $795 FIBERGLASS ARROW SHAFTS 511$ s 32 long 61$1l1110 24-Hour Service. Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 VelleY View Dr Allegeny NY 14706 AU NEW cusro SCNNEURLE cox 009 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom parts Cox TD 020 049 051 & 09 engines Competition parts & accessories Combat Free Fit C/L & A/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna Hills CA 92653 Telephone 714 830-5162
Edition: Model Aviation - 1983/08
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 92, 144, 145
NO OCR TEXT NO OCR TEXT bottom can see landing gear installation radiator Reduction-belt-drive MaIro 15 provides plenty power carved foam Main wheels 2h-in-dia Robart firewall cooling air exits cockpit Futaba S-20 servo mounts wing center section Hardwood dowels trailing edge provide reinforcement hold-downs Electric Id fooling around Kraft Chipmunk very impressed silence smooth ness control flew greater urge became build something larger power little reluctant beginning tackle such Electric model after reading about success SruIls Spit fire threw caution wind Wing saddle ot 1/32 ply makes good platform mounting wing ana Deels-up ui lage Note wing hold-down points rear platform Holes alongside radio com partment give access wood screws holding servo platform rails close look will reveal dropping resistor three-position switch mounted bottom servo tray 32 Model Aviation Exhaust stacks made scrap soft balsa painted tias blacK Panel lines add realism very little weight penalty Tail wheel 1-in Robart mounted fuselage fairing Attachment rudder cable makes steerable See details plan -yijw OMEMIA~JA1 Q4JT GRASS VA IIUI19 TS NOWAYI THATLL N HIS -ITS CHUCKVOW SUREEN READIN JUSTASMIH NOTHING NEXT T END UPINAMUSEUM ALTLIHIDE WHAT BRINGS WV TUR tRIPs N MA lOCK E4DIN THEM SNAPPf MAR NE LIKE T BIJ LOER AWAY'vHERE U5 ARE NUTS JRFUNEs UJ TURN OUTALl HE FL ES NOW 15 T WVURO ITRSESf-IIEYCNIXK ON THESPA11 CANS WITH /-AND ijLEVEL-IS NKSHEELS TOCRAT -FL AT DULLES--HANKSEZ BY ALL MIANS vsritJ BALSA FIN BASE BLOCKS 5/16 X 3/8 LE STABILIZER FIVE LAMINATIONS 1/16 X /4 BALSA FIN AND RUDDER ONLY I/8x /2 BALSA RIBS 1/4 X 1/2BALSA FIN AND RUDDER POSTS 3/8 BALSA T EDGE 1PED SPRAED FRAMES HEAT PASSAGE HCLE040 BUlYRATEVii AILERON SERvo IN WING j76~ 7 N / 0 3 DUBRO SPINNER C, GEARED ASTROI5 ELECTRIC MOTOR ca C COOLING AIRMOTORFl I/B LITE-PLY INLET PORTMCflJNT SLEEFIREWALL DOUBLED TO 3/16 BALSA / I/16PLY I3/I6CY*EL DIHEDRAL/~ V8 BALSA IWINGI BRACES~4\ SHEETBETWEENMOUNT/VI6 I/8SO STRINGERS/ TO F4I/I6PLWiOODSAflCtE L MWIRE L GEAR 3/8X 3/4MAPLE BWCK- ROBART 3 I/4WNEELS 1/16 RODS ALUM lUBE IN MAST 3/32 BALSA WEBS PLASTIC OR PlY RIRtIG 2-56 SCREWS tJlO ALUM TABS 1 DOUBLED SPRUCE BOTTOM SPAR TO RIB B/ DOUBLED -fop I/4X 5/8 BALSA LEAIMNG EDGE X 1/2 BALSA SRS FOR S1B 3/8 STOCK VENTRAL FAIRING 1TAILWHEELCtJ LI6 WIRE 10 DUBRO COLLARS AND STEER FROM RUDDER 3/I6 SO BALSA DOUBLED FOR FOUR KEELS SAND FORMERSI/B BALSA SHEET FORMERS F-7 10 F-b BETWEEN STRINGERS V8 SHEET FAIRING BACK UP WING MOUNT BWCKS I/4X WITH T-NUTS 1/16 SHEET C/SECTION COVER 1/16 PLY SPAR BRS I/Bx YB BALSATE OVER I/16x SHEET TEBOTIOM U 1/16 SHEET OVER I/BAIL SPAR 1/16 SHEET OVER I/B SPAR X 3/B BALSA TIP SECTIONS I/8x 1/4 BALSA SPAR TOPS AND BOITOMS OUT 10 TIPS DJLERON BELICRANK3/32 BALSA ALL RIBS ON /16 PLWOCO EXHAUST MABAFOD- ABAPEin PIjOTS PROM SHOE PAPER s 4KIFUSELAGE TOP VIEPp MAKE ORE PROM AB LITE PLO AXIS 0411 PROM NTOFIG BALSA SlEETAS BALSAF-9 F-3P4 OMSABSSE SLNEHNF-IF-S F-2F-SFSTRRIH AXITNBNA TARA ARE 51K BALSA SHEETARTERIALBASJT chrARTORIAS SUROIS H*AORTALAIROOM TIBRIKAr 114 AMOKFINiRUD PRRMEBS PR TO P4MERIOR41111RB OMIT 2 BAYS PRO ____________________BATT CROCRAK OJYLET RANKER AJSTTMAA MAST ORIGINAL IMAKI FILERSALL BEELS MN IS IN KIA B RROI PR PILLTOP-O...SSTNIMABRO RHO 4 -LMKMATORE OF / F IN SEPT BALSA SUER UP TA AMOS-MNBAA-AK PR PHP-T-P2*11K P OARS OSSISTp MAROEK A00-L-79—--SOFT BALSA110 ILOKATIARORI 2 RART TIRAT KOIBSEB BANK01100gArMBPEO QSELAGEIDE VIEW R0 LA-ET__K__ }AMBOL S AlA MJBAOHTNI 0455CR-IRHAITLIO BALSA 3/N SOFT 5MMPOOH TSANR TO T*5NNEEL PABAIAKS/RI AT TAR SEAMS *01110 INLW PIT ARER4 $M5j~r 110 OBANKEIO BLOOTRIC MOTARHAIR SKOOFI/IN MWM/1TW BALSANOW BASSO CARMTAR1AI*IRSIBABSOF S -BRARTOMLAS AIATE EL AVIATION OASIS MM ROOMSSAKS BA 04N PIT AR RIO-FoAMHAWKER P5051K MABETI/NM/SIC---. IHURRICANE WarnOMAAA-uunrJI 0255115 SI/0 MO ROBARTALT DESIGNED S DRAWN NY STEVE CRONE ROMOLSROOMTAAIflMEL OCTAL ACING ST JOE DEMANCO DEAR DOOR OCTALha SIllS 55551111MB R F R5 0 N started full-steam Hurricane end result wasnt disappoint ment way ship came out half-pound heavier what shooting amount fixed weight contend wasnt too bad purposely went thick Clark Y airfoil plane did come out bit heavy wing could handle little no adverse effect flying characteristics Also prototype thick airfoil sec tion wanted retain sake appearance main thing about building Elec trics very conscious elements weight Fixed weight motor motor batteries RC gear going whatever adds up just isnBt way around need compensate making structure final finish lightweight possible fixed weight model 42 oz structure cov ering paint etc weighed 30 oz can see important select lightweight balsa other ma terials want model really successful could lower fixed weight over lighter wheels spinner 250 mAh flight battery etc decided stick regular commercial items just no way put words feeling get see Hurricane take off climb blue looks real feel sitting cockpit tracks straight takeoff need just touch rudder Hold little upelevator starting takeoff run As speed builds gradually release back pressure after run about 100 ft will lift off smooth silk Dont force keep climb turns shallow grab some altitude control response positive smooth watch out dont over-control ailerons quite effective should used light pressures model flies like real thing get ham-handed controls youll Abuy farm two-position motor switch works beautifully throttle back cruise4 model just leaks off altitude gradually can set up ap proach will envy everyone field Like tapered low-wing aircraft has tendency tipstall angle attack high airspeed slowdont get too slow landing approaches Keep model fly ing normal approach attitude down runway gently flair out cut 34 Model Aviation units have built sanued entire model ready covering Its wellengineered have strength needed undue weight penalty FULL-SIZE PLANS AVAILABLE. SEE PAGE 164 j3C5 Sj LAAB*TIAB SON STABILIZER B ELEVATOR TT CS STAONAB BOO-S0 SETTBAAIIEBOS FUSELAGE FRONT VIEW A-N A-B A-A BESOATOBNOTE ALL BUS MAW PAWA SflA tALSAflfl TAPES CO TO CTBAT 1W 0 R-2 R-315 -Th R-4 3dB lAS IMBAlANCE SECTION AILESOO LEBOBAS E900 Lsr BALSAOISA BALSA 5fl2 AL RABS PLASTIC COBOOT IAB MASS TIBE N S0 ,A-A BiP-IIBI IIOAOBOBIooooTCANOPY DETAIL ISO 00500CC TEA 554KB MS -BE SSOBAASAIS SCBTE BBEOIOSEOI LIBATE ONIM IAS IA-F 05 USPLO3BIIBO 10 AEON DAWET 2 OF 5 NOOEL AVIATI0I HAWKER HURRICANE Mk SCALE I5 WER ASTRO IS MOIOR DESIGNED S DRAWN BY STEW CROWE USE IAlIA SBUS ACING BY JOE DEMARCO PLAN LEFT SIDEAOE~AT ABBUIRNAB switch ease down ship also makes beautiful wheel landings dont afraid grease tail-high used following control throws Rudder /2 left right Elevator 3/4 up down Ailerons 3/4 up /2 down Throttle Switch forward po sition high speed fuselage built-up using halfshell method lightweight very strong stringers added Start laying-up fuselage keels completed lay down keels fuselage side-view plan add bulkheads respective stations Make certain 90 de grees keeL Add side keel Make sure bulkheads square glue place should now have fuselage half-shell Remove plan add kulkheads opposite side Upon completion start adding stringers alternating pattern keep sighting down main keels correcting necessary keep fuselage true will notice few stringer locations marked bulkhead drawings plans Cutting stringer notches bulkheads advance isnt recommended apt produce wavy stringers bet ter use actual stringers guide Heres Notch forward bulkhead lay stringer notch pin stringer its proper location tail post using stringer guide mark other bulkhead notches method will produce straight fuselage will look great its covered Inlay 1/8 soft balsa between stringers forward section fuselage called plans Wing fillets Ive tried ways stiff bond paper method best SPECI FICATIONS Wingspan Fuselage Length Height Wing Area Loading. Weight 60 48in 15 530sq - 20 oz/sq ft 4Y2lb PowerGeared Astro 15 RadioFutaba 6 cli ServosFour Futaba 3-20 Prop13-8 Canopy040 butyrate plastic cowl050 ASA plastic Main WheelsRobart 3% Tail WheelRobart 1 SpinnerDu-Bre 3 August1963 35 finished assembled framework seems too beautiful coverbut gets oven beautiful covered finished decorated Could pass huge Rubber model think Its lightweight strong very realistic completed method purely trial-and-error Cut out few patterns lay up against fuselage Cut little time pattern until obtain proper fillet contour sure make up fillet contour formers will help final installation fillets glued place give few coats nitrate dope will make tougher provide good base paint final finish wont able glue wing fillets until 1/32 plywood wing saddle has installed fuselage Therefore next step would build wing assembly Wing Start laminating wing spars 1A x 1/8 hard balsa spruce Next cut out dihedral joiners 1/16 plywood set aside until ribs have cut 3/32 balsa make necessary cutouts ribs gear mounting blocks lightening aileron rods go through holes Build center section first Lay down spars position ribs Cut spars dihedral breaks Af ter ribs glued add top spars Steve puts auto battery use fieldcharging Astro 15s Ni-Cds another flight charger plugs fuselage just front wing switch just behind plug Two-blade flying prop shown three-blader other pics show ply dihedral joiners joiners will extend beyond butt ribs ap proximately 5 dont cut off will glued spars outer panels Lay down spars outer pan els build units complete ailerons finished slide panels onto joiners Note spar join ers will have bent fit flush faces spars due taper outer panels Bend neces sary add glue clamp clothes pins until dry Plank center section 1/16 sheet balsa certain dihedral both panels equal Install ailer rods bellcranks servo wing built can now re turn fuselage Cut 1/32 ply wing saddle fit awaiting cavity Check fit saddle wing place shim ply neces sary obtain good fit wing Now can go back complete wing fillet Since fillet tapers rather sharply leading edge build portion scrap soft balsa blocks blending fuselage 180-grit sandpaper wrapped around 3/8-in doweL Radiator appendage fits under wing centersection doesnt have function model 36 Model Aviation Sliding canopy mechanism detailed plans Its flown open position allow flow-through cooling air Instrument panel adds nice touch realism authors Hurr4cane easy spot lineup Valley Flyers Scale Contest too much wind day fly Hurricane received lot attention Hurricane would look rather naked tried something new making radiator 2-lb-density polyure thane foam foam very easy carve shape sand After final sanding coat ala phatic-resin glue thinned water applied dry sanded 320-grit wet-or-dry paper layer silkspan applied second coat glue followed slurry water-thinned Dap vinyl paste dry sanded smooth finish sounds heavy final result really quite light radiator looks great hanging under wing Prepared way takes beau tiful finish painted could build radiator balsa block think foam better also quicker Tail surfaces model shown plans constructed tapered spars both horizontal verti cal tail surfaces started build flat upon completion found just didnt look right built another set taper little work liked end result Im sure model would fly okay flat stab rudder builders choice Canopy original model con structed sliding canopy serve two purposes vent warm air fuselage other al low access servos mounted three-abreast ply plate along two-position switch motor control method used making sliding canopy involved two lengths 3/32-in aluminum tubing rails mounted fuselage sides split down middle 1/16-in slot side 1/16-india brass tubing mounted can opy section slipped alumi mum tubing used guides used pins inserted brass tubing soldered bent 90-deg anglethe pins acted mounting points lower edge canopy idea worked well may other methods builder would prefer use sliding canopy dont install until ship completed small 1/32 ply former gets glued front canopy once installed canopy cant removed canopy frame masked sprayed olive drab dope before installation Landing gear Using pattern shown front view plan bend main gear 1/8-in music wire Bend sway braces 1 / 1 6-in music wire bind solder braces Continued page 92 Nor Cali AVIONKSS ACCUETACH 1 IITAL rACHOMET get contInuOii accurate RPM ru Out select ldle topend adjus jth dual scale capabiliWO iOOX Quality built preci sion electronics VOLTME Eate Determine ~arge yOiffr batte out Check orbat cycle TXRX tery comboS 3 MoNITOR QUICK CAR~sibleto Makes%ak battery safelyharg0 bY pack fast c volt watchinQ tiny age drop 51gnals full charge ORDER YOURS NOW 79JaId send check money order no CODs NorCal AVIONICS inc PO Box 70956 Sunnyvaie CA 94086 California residents add 6% tax Add $300 shipping outside continental USA Dealer inquiries invited August 1983 37 N Now Kit Form Savejeven easy assemble 4 channel kit expandable 7 OnIy$ 7995 service parts available past manu factured EK Logitrol radios including Logitrol manufactured Cirrus Tower Hobby Lobby radios Free servo reversing Hobby Lobby radios included service work 95 wIth large linear servos 12995 small rotary servos & 4 Four Channel Radio Wider body ends aching shoulder muscles Angled easier monitoring battery charge Designed easily accept new frequencies Servo reversing simply reversing plug Adjustable stick tension Inexpensive replacement servos 45OmU hqttery pack 600mAH & 1200mAH extra Expani Full Commana bystems509 487-2122 908 E Rosewood Spokane WA 99207 Fun/Winter Continued page 85 proportional rudder others soon after multiple propor tional controls So fair account radio control would make historical tome handful folks smatter ing electronics fiddled pulse rates pulse widths mixed both two proportional con trols have heard tell Jerry Pul lin West Coast real father proportional got act together early full-house propo rigs popped up commercially California like spring flowers will tell story very early SOs MAN asked Paul Runge what new said some guy Virginia system called Galloping Ghost turned out own AMA Executive Director John Worth solved proportional elevator rudder simul mechanical means led four-part article link age arms actuator single infamous Victory motor connected rudder elevators position transmitter stick would enable constantly threshing surfaces average out some desired flight path ground plane looked sounded like wounded duck Hams concocted strange wonder ful rigs crates example Sigfried won Nats circa 1940 15-ft giant performed first loopin public anyway crate big glassed door peeked saw huge gears made think colonial watermill Fuliarton cited MAN article reported early Nats no flights took place day because pilots ran out day light before could complete tuning equipment Good brothers Guff osten sibly rudder-only aircraft did have elevators heading photo can see through magnifying glass two relays through inspection door second tiny elevators dont recall Walt ever making eleva tor maneuver Nats dont have foggiest notion triggered second escapementun less some folks tried Goods two receivers conjures up wild notions about transmitter two frequencies point just spoke Walt Good phone Florida Yes two receivers tuned opposite ends old Amateur Band 50 56 MHz three escape ments Big Guff also clapper its spark-ignition Brown Junior sort slowed down Goods option flying either rudder/elevator rudder/engine Guff also thermal-delay engine cutoff actuated holding rudder five secondswhich tells lot about Guffs turning characteristics reason never seen Goods use rudder competition receiver acted up connected better rudder way won heading photo youll note small control box held Bill Goods hand using three close-up lenses stacked together able read words Up Down adjacent stick Almost completely hidden under Bills forefinger button switch Walt says two either buttons switches evidently rudder left hand operated rudder right elevator desired frequency automatically determined move ments controls tiny box Until glow plug came along Ray Arden flew powered FF across Van Courtland Park 1904that date precise because once interviewed Ardenhanded out sample glow plugs Minneapolis Nats 1947 thing ignition Before 1950 two sets points ignition engines two speeds world went glow-ignition bananas Crates became spongy fuel melted nitrate dopes came fuel-proofers finally buty rate dopes years no way throttle glow second escapement triggered quick blip primary escapement operated clapper choked venturi idleand few botheredthe plane blubbered along low speed cloud smoke came two needle valves above other Inside crate clapper adja cent end air line leading loW needle would close air line both needles would pour fuel badly-flooded engine Clouds smoke horrendous cleanups heartbreakers Relay contacts quickly became dirty and/or pitted due voltage spike sparks crates smashed-up flew away often made successful flights Chet Lanzo quipped radio control permitted select loca tion crash 1951 went four months successful flight al though flew weekend year tip RC historical icebergand part age escapements landmark reached late Forties Vernon McNabbs 465 hand-held outfit gained first approv al FCC license-free operation wont go incredible adven ture beyond saying flew test units before leading own Citizen airplane old MAN Sensational developments take place constantly cant see Chips stuff know take superb radio systems granted DCRC Club Open House early 70s stage displayed historic RC jobs members including Walt Good developed end line late-mark Rudder Bug fullhouse controls relatively modern proportional circa 1955 Well never forget Walt looking wistfully highwing Bug already flying Pattern other types saying what thought would come eloquent proof future cant predicted todays basic technology What changed things Cali fornian named Dunn unable dur ing SOs attend Nats amused himself revising Bonner cabin Smog Hog low-wingerthe Astro Hog Sig has Astro Hog kit knew low-wingers didnt fly After Nats deBolt phoned us MAN told him junk cabin Pattern designs Stunned murmured California has gone low-wing exaggerated thats impossible retorted Perhaps moral order make progress must watch kinds models years before very nice lowwing model won Wakefield Cup Low-wing Rubber Scale models flying 1943 design Italian fighter much inproved flown modern techniques Pat Dailey won FAC Nats WW II event Earl Stahls North American Apache best ever before war great Kingfish Sadler Little Rock successfully flying low-wing FFs Nats Dont think is aint Auto pilots Just talked Bill Hershberger early April opportunity fly transmitter computerized sticks developed fel low club member encoder board replaced computer unit face transmitter num bered buttons can program possible maneuver side other numbered buttons 1 5 enable use transmitter different airplanes Apparently takes off uses sticks normally Bill says could tell difference sticks feel own Silver 7 Until five minutes ago talking tongue-in-cheek about future Bite tongue Bill Winter 4426 Altura Ct Fairfax VA 22030 Electric Hurricane/Crowe Continued page 37 main gear legs used wire soldering lugs ends sway braces mount ply gear braces Continued page 144 92 Model Aviation The Best Custom Screen Sportswear See Us NATS will design com memorative T-Shirt club special event Call write details Corsait iesigns just some avaition designs available top quality line sportswear designs direct print eat transferl Gee Bee Warhawks Fokker DVII. P38 Christen Eagle. Pitts Special . Citabria. AT6. p-47. Steerman. Curtis Jenny . Corsair . Coaches ShirtS1295T-ShirnSB95 Ladies TopS950Long Sleeve T$795 Shorts$S95BeaeballSS95 Lined JacketS2195Football$S95 Tote Bag5795Sweetshirt$950 Tire Cover$14S5Hooded SweatSi4SS HatSS95 Wide choice colors sizes Send $100 new Illustrated Brochure Nane Address CityStateZip Design SizeColor now accept MasterCard & Visa _____ TO ORDER Send check money order add 10% postagelhandling MD res 5% tax OR CALL COLLECT after 4pm write Phase Art 17102 Earlham Ct. Upper Marlboro MD 20772 3011843-3050 FF Duration/Meuser Continued tram page i41 Award 1983 noted individuals have contributed development continuity Free Flight model airplane ac tivities throughout US world Society proud recognize achievements Reginald Denny deceased modeler designs have widely accepted both 1930s 1980s can forget Dennymite engine John Gard scientific designer Wakefield Nordic models has car ried theory aeronautics practical application through designs Don McGovern Editor Flying Models magazine years designer truly unique models designer/draftsman model plans almost anyone else John Pond grandfather OldTimers activity throughout world has pusher Free Flight since 930s George Reich dedicated modeler desire achieve championship status realized fully 1961 won Wakefield Cup USA developed rubber-powered designs have widely mimicked other modelers Lawrence Smithline name remem bered oldster today Larrys articles model construction appeared old Flying Aces Model Airplane News Air Trails yesteryear todays mod elers cut modeling teeth Larrys de signs Model Year Awards Jim Wilson Model Year Chairman National Free Flight Society announces awards 1983 International Classes FlAMatt GewainPacer 14 FiBAtain Landeau FiCAdreas Mecxner Delfsn AMA Power SmallRoman Ramirez Careo LargeHal WoodsSummerwind Doug Gaibreath744 Other Categories Hand-Phil Hainer JrKwik Flip II LaunchedPhil Hainer Sr Glider IndoorStan ChiltonSweet 16 EZ-B UnlimitedBob WhiteUnlimited UnRubberlimited ScaleDon SrullSantos DuMont SpecialEd DotbyFAI Rubber awardees have invited display discuss models NFFS Sym posium held AMA Nationals July Drawings photos stories about models will appear NFFS Sym posium Report will available Nationals mail order further information contact Jim Wilson 1030 Ave nue D Redondo Beach CA 90277 Bob Meuser 4200 Gre gory St Oakland CA 94619 Electric Hurricane/Crowe Continued page 92 wing small wood screws main gear mounted gear blocks aluminum straps screws gear fairing doors 050 ASA plastic Small metal strips soldered gear legs hold gear doors means 2-56 screws through small holes drilled straps gear doors tail wheel held Du Bro wheel collar Study plans steering arm soldered top collar picks up rudder cable steering engine cowl can carved bal sa laid-up fiberglass pulled plastic cowl model made ASA plastic pulled over wooden pattern cockpit canopy made same way isnt really lot effort carving plug have access vacu-form ma chine give try Make exhaust manifolds scrap soft balsa apply sanding sealer finish flat black paint Finishing Since trying keep models weight low chose cover MonoKote tried find flat-finish type mentioned Don Srulls Spitfire article no luck ended up glossy stuff 144 Model Aviation Gee Bee Designed RIC Combat agile little performer can fly rings around airplane youve ever owned youre looking really spirited responsive aircraft thats easier build fly Warbird exactly what need 3 Channel RIC 19 25 36Span Mixer Included $3495 OWBIRD Showbird big gest best has rock steady pattern performance thats amazing because will rolls straight up out sight stock K & B 40 slows down like glider landing 64 inches beautiful flying wing will make look great field Precision kit 2540 engine 7 eel ol rolled plans $5995 See dealer first send check money order Pacific Air 15 Skyline Drive Woodside CA 94062 %%y 1131 NW 45 Slreet Ft Lauderdale FL 33309 1305 491-6 175 ENGINEERING TIlE LANDING SEAR PEOPLE Tired bi laildiag gears kit dust III biggie properly 0 & 0 Eaglneenllg can seIne year probleesl * Custom heBI seeds & syocs guarasleed * Straug & durable ti wilhstasd Ike leogbesl lauding * 0 & 0 Engineering gear will work & beep biggie flag * In stack roploemeellI gear popular models Ryram Pills Christie Eagle CAP 21 Ralsa USA J-3 CUB Air Tech Powece Eugle Nesee Big Stick Cbamp Cltabria & II models Snapper Stieger snapper Too painted flat Pactra Formula U covered fuselage silk gets around compound curves easily weight adds negligible fuse lage given four coats nitrate dope final finish light coat Formula U olive drab followed light coat camouflage flat tan Before painting wiped MonoKote areas acetone remove oil dirt Decals produced Dave Platt Models very close proper size model Control rods used Suliivan Gold-NRod cable type lightweight flexible can easily positioned through fuselage bulkheads cable system moving elevator rudder makes very neat installa tion like attach cable servo arms either Du-Bro Gold berg easy connectors rig con trols setup need loosen screw connector move cable fore aft get desired result Flying Did get everything lined-up properly wing tips have cor rect amount washout Are control attachment points secure Are wheels tight Dont laugh Ive seen new ship leave wheel roll ing down runway lifted off cause pre-flight check overlooked takes small item destroy three four months work Check balance point should fall between 25% 30% wing chord Dont fly ship tail-heavy rearward balance point courting snap-roll disaster sure CC correct point model tested 13-in-dia 8-in-pitch prop did very well once trimmed out Later tried 12-8 13-incher seemed put out much thrust 530 sq wing area model handles 4-lb total weight ease During test flights motor battery closely watched bit concerned might heat up too much seems stay very cooL believe Hurricane would really perform new Cobalt motors Maybe Ill try later now Im having ball straight Astro 15 gear unit dont think will have regrets build ship took Hurri cane Valley Flyers Contest California stole show youre looking fun Scale project has great looks flyabiity SAFE FLYING IS NO ACCIDENT ************* *** ** WW***W * * * * WANDITTM * *Dealers Invited * * COn yOar warranty * ~J -K *CORD *Wet DryK * Stich AbrasivesK K *A Keen Machine' gives enceptionalK *sanding control encellent finish* * * 8995 Basic OcI 1 flat Wand 1 * ritsK *10895 Builder Special mcI 2 fIat 1 half * ano wand 5 6 grtsK *12995 Delver includes 3 flar 2 halfK * nd wauds buff wanos andK -K * 6 grits * *Addtional Wands Abrasves ava ableK * e local hobby shopK *K *80015 ELMORE Eoe No 1214 288 5780K * P 0 Box 266 uite Texas 75149K K KKKKKKKKKK*K Radio Technique/Myers Continued page 39 tion selectively amplifies signals between 72 73 MHz rest gives us second stage filtering Meanwhile crystal-controlled oscillator LO receiver running fre quency precisely 455 MHz above transmitters frequency oscil lators voltage frequency injected mixer along amplified RE voltages IRE section mixer frequency present mixed other frequency present including local oscillator mixing new fre Continued page 148 August 1983 145 INTRODUCING THE NEW FOX 36 RC Schneurle Ported Ball Bearing Main BRAND NEW 36 RC.evolved highly successful Combat Special took highly successful Fox Combat Special fitted new MarkXtype carburetor made porting head modifications get run idle well no-nitro fuel Result.the powerful 36 RC market new Fox 36 RC combines power superb idling characteristics light weight.and delivers lowest cost fuels 23900 Fox 36 RO$5995 90236 TiltUp Muffler1495 90237 Tilt-Down Muffler1495 F 0 X MANUFACTURING Co 5305 TDWSON AVEFORT SMITH ARK 72901 Hot Line SOif 686-1656 IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA$20950 New 22 CID QUADRA$10950 Req 22 QUADRA $10450 Brisighelle Flywheel 012450 Req 22 QUADRA POWER ASSEMBLY ONLY 86450 QUADRA REPAIR 1000 pIes pews Jim Mesner ERCOUPEPLANS 82395 KIT $23995 Jim Messe TOMAHAWKPLANS $2395 KIT $25995 Jinx Messe 9-BALL TRAINER PLANS $1695 KIT $9995 BALSA end BASSWOOD fell siesI 35% OFF Connept FLEET PLANS $2995 KIT $15995 COWL $1995 P6W RADIAL ENGINES tar Fleet $2495 VICKERS LEWIS MACHINE GUN KITS $1495 CECONITE Podunts 10% OFF Siq J3 CUB KIT $12495 PLANS SUPER STEARMAN IGedfreyl $2095 STARDUSTER TOO IBrisighellel J3 CUB NeIit $2995 VOLKSPLANE IChinken Cherliel $2395 COCKPIT KITS Tonehewk F4U-1 Spitfire $2295 Ernoepe $2095 Steernien 82295 Citebrie $2495 J-3 Cob $2195 ME-109 $2295 Fleet $2195 US Ocedre FUEL TANKSlOne $695 32 en $795 FIBERGLASS ARROW SHAFTS 511$ s 32 long 61$1l1110 24-Hour Service. Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 VelleY View Dr Allegeny NY 14706 AU NEW cusro SCNNEURLE cox 009 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom parts Cox TD 020 049 051 & 09 engines Competition parts & accessories Combat Free Fit C/L & A/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna Hills CA 92653 Telephone 714 830-5162
Edition: Model Aviation - 1983/08
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 92, 144, 145
NO OCR TEXT NO OCR TEXT bottom can see landing gear installation radiator Reduction-belt-drive MaIro 15 provides plenty power carved foam Main wheels 2h-in-dia Robart firewall cooling air exits cockpit Futaba S-20 servo mounts wing center section Hardwood dowels trailing edge provide reinforcement hold-downs Electric Id fooling around Kraft Chipmunk very impressed silence smooth ness control flew greater urge became build something larger power little reluctant beginning tackle such Electric model after reading about success SruIls Spit fire threw caution wind Wing saddle ot 1/32 ply makes good platform mounting wing ana Deels-up ui lage Note wing hold-down points rear platform Holes alongside radio com partment give access wood screws holding servo platform rails close look will reveal dropping resistor three-position switch mounted bottom servo tray 32 Model Aviation Exhaust stacks made scrap soft balsa painted tias blacK Panel lines add realism very little weight penalty Tail wheel 1-in Robart mounted fuselage fairing Attachment rudder cable makes steerable See details plan -yijw OMEMIA~JA1 Q4JT GRASS VA IIUI19 TS NOWAYI THATLL N HIS -ITS CHUCKVOW SUREEN READIN JUSTASMIH NOTHING NEXT T END UPINAMUSEUM ALTLIHIDE WHAT BRINGS WV TUR tRIPs N MA lOCK E4DIN THEM SNAPPf MAR NE LIKE T BIJ LOER AWAY'vHERE U5 ARE NUTS JRFUNEs UJ TURN OUTALl HE FL ES NOW 15 T WVURO ITRSESf-IIEYCNIXK ON THESPA11 CANS WITH /-AND ijLEVEL-IS NKSHEELS TOCRAT -FL AT DULLES--HANKSEZ BY ALL MIANS vsritJ BALSA FIN BASE BLOCKS 5/16 X 3/8 LE STABILIZER FIVE LAMINATIONS 1/16 X /4 BALSA FIN AND RUDDER ONLY I/8x /2 BALSA RIBS 1/4 X 1/2BALSA FIN AND RUDDER POSTS 3/8 BALSA T EDGE 1PED SPRAED FRAMES HEAT PASSAGE HCLE040 BUlYRATEVii AILERON SERvo IN WING j76~ 7 N / 0 3 DUBRO SPINNER C, GEARED ASTROI5 ELECTRIC MOTOR ca C COOLING AIRMOTORFl I/B LITE-PLY INLET PORTMCflJNT SLEEFIREWALL DOUBLED TO 3/16 BALSA / I/16PLY I3/I6CY*EL DIHEDRAL/~ V8 BALSA IWINGI BRACES~4\ SHEETBETWEENMOUNT/VI6 I/8SO STRINGERS/ TO F4I/I6PLWiOODSAflCtE L MWIRE L GEAR 3/8X 3/4MAPLE BWCK- ROBART 3 I/4WNEELS 1/16 RODS ALUM lUBE IN MAST 3/32 BALSA WEBS PLASTIC OR PlY RIRtIG 2-56 SCREWS tJlO ALUM TABS 1 DOUBLED SPRUCE BOTTOM SPAR TO RIB B/ DOUBLED -fop I/4X 5/8 BALSA LEAIMNG EDGE X 1/2 BALSA SRS FOR S1B 3/8 STOCK VENTRAL FAIRING 1TAILWHEELCtJ LI6 WIRE 10 DUBRO COLLARS AND STEER FROM RUDDER 3/I6 SO BALSA DOUBLED FOR FOUR KEELS SAND FORMERSI/B BALSA SHEET FORMERS F-7 10 F-b BETWEEN STRINGERS V8 SHEET FAIRING BACK UP WING MOUNT BWCKS I/4X WITH T-NUTS 1/16 SHEET C/SECTION COVER 1/16 PLY SPAR BRS I/Bx YB BALSATE OVER I/16x SHEET TEBOTIOM U 1/16 SHEET OVER I/BAIL SPAR 1/16 SHEET OVER I/B SPAR X 3/B BALSA TIP SECTIONS I/8x 1/4 BALSA SPAR TOPS AND BOITOMS OUT 10 TIPS DJLERON BELICRANK3/32 BALSA ALL RIBS ON /16 PLWOCO EXHAUST MABAFOD- ABAPEin PIjOTS PROM SHOE PAPER s 4KIFUSELAGE TOP VIEPp MAKE ORE PROM AB LITE PLO AXIS 0411 PROM NTOFIG BALSA SlEETAS BALSAF-9 F-3P4 OMSABSSE SLNEHNF-IF-S F-2F-SFSTRRIH AXITNBNA TARA ARE 51K BALSA SHEETARTERIALBASJT chrARTORIAS SUROIS H*AORTALAIROOM TIBRIKAr 114 AMOKFINiRUD PRRMEBS PR TO P4MERIOR41111RB OMIT 2 BAYS PRO ____________________BATT CROCRAK OJYLET RANKER AJSTTMAA MAST ORIGINAL IMAKI FILERSALL BEELS MN IS IN KIA B RROI PR PILLTOP-O...SSTNIMABRO RHO 4 -LMKMATORE OF / F IN SEPT BALSA SUER UP TA AMOS-MNBAA-AK PR PHP-T-P2*11K P OARS OSSISTp MAROEK A00-L-79—--SOFT BALSA110 ILOKATIARORI 2 RART TIRAT KOIBSEB BANK01100gArMBPEO QSELAGEIDE VIEW R0 LA-ET__K__ }AMBOL S AlA MJBAOHTNI 0455CR-IRHAITLIO BALSA 3/N SOFT 5MMPOOH TSANR TO T*5NNEEL PABAIAKS/RI AT TAR SEAMS *01110 INLW PIT ARER4 $M5j~r 110 OBANKEIO BLOOTRIC MOTARHAIR SKOOFI/IN MWM/1TW BALSANOW BASSO CARMTAR1AI*IRSIBABSOF S -BRARTOMLAS AIATE EL AVIATION OASIS MM ROOMSSAKS BA 04N PIT AR RIO-FoAMHAWKER P5051K MABETI/NM/SIC---. IHURRICANE WarnOMAAA-uunrJI 0255115 SI/0 MO ROBARTALT DESIGNED S DRAWN NY STEVE CRONE ROMOLSROOMTAAIflMEL OCTAL ACING ST JOE DEMANCO DEAR DOOR OCTALha SIllS 55551111MB R F R5 0 N started full-steam Hurricane end result wasnt disappoint ment way ship came out half-pound heavier what shooting amount fixed weight contend wasnt too bad purposely went thick Clark Y airfoil plane did come out bit heavy wing could handle little no adverse effect flying characteristics Also prototype thick airfoil sec tion wanted retain sake appearance main thing about building Elec trics very conscious elements weight Fixed weight motor motor batteries RC gear going whatever adds up just isnBt way around need compensate making structure final finish lightweight possible fixed weight model 42 oz structure cov ering paint etc weighed 30 oz can see important select lightweight balsa other ma terials want model really successful could lower fixed weight over lighter wheels spinner 250 mAh flight battery etc decided stick regular commercial items just no way put words feeling get see Hurricane take off climb blue looks real feel sitting cockpit tracks straight takeoff need just touch rudder Hold little upelevator starting takeoff run As speed builds gradually release back pressure after run about 100 ft will lift off smooth silk Dont force keep climb turns shallow grab some altitude control response positive smooth watch out dont over-control ailerons quite effective should used light pressures model flies like real thing get ham-handed controls youll Abuy farm two-position motor switch works beautifully throttle back cruise4 model just leaks off altitude gradually can set up ap proach will envy everyone field Like tapered low-wing aircraft has tendency tipstall angle attack high airspeed slowdont get too slow landing approaches Keep model fly ing normal approach attitude down runway gently flair out cut 34 Model Aviation units have built sanued entire model ready covering Its wellengineered have strength needed undue weight penalty FULL-SIZE PLANS AVAILABLE. SEE PAGE 164 j3C5 Sj LAAB*TIAB SON STABILIZER B ELEVATOR TT CS STAONAB BOO-S0 SETTBAAIIEBOS FUSELAGE FRONT VIEW A-N A-B A-A BESOATOBNOTE ALL BUS MAW PAWA SflA tALSAflfl TAPES CO TO CTBAT 1W 0 R-2 R-315 -Th R-4 3dB lAS IMBAlANCE SECTION AILESOO LEBOBAS E900 Lsr BALSAOISA BALSA 5fl2 AL RABS PLASTIC COBOOT IAB MASS TIBE N S0 ,A-A BiP-IIBI IIOAOBOBIooooTCANOPY DETAIL ISO 00500CC TEA 554KB MS -BE SSOBAASAIS SCBTE BBEOIOSEOI LIBATE ONIM IAS IA-F 05 USPLO3BIIBO 10 AEON DAWET 2 OF 5 NOOEL AVIATI0I HAWKER HURRICANE Mk SCALE I5 WER ASTRO IS MOIOR DESIGNED S DRAWN BY STEW CROWE USE IAlIA SBUS ACING BY JOE DEMARCO PLAN LEFT SIDEAOE~AT ABBUIRNAB switch ease down ship also makes beautiful wheel landings dont afraid grease tail-high used following control throws Rudder /2 left right Elevator 3/4 up down Ailerons 3/4 up /2 down Throttle Switch forward po sition high speed fuselage built-up using halfshell method lightweight very strong stringers added Start laying-up fuselage keels completed lay down keels fuselage side-view plan add bulkheads respective stations Make certain 90 de grees keeL Add side keel Make sure bulkheads square glue place should now have fuselage half-shell Remove plan add kulkheads opposite side Upon completion start adding stringers alternating pattern keep sighting down main keels correcting necessary keep fuselage true will notice few stringer locations marked bulkhead drawings plans Cutting stringer notches bulkheads advance isnt recommended apt produce wavy stringers bet ter use actual stringers guide Heres Notch forward bulkhead lay stringer notch pin stringer its proper location tail post using stringer guide mark other bulkhead notches method will produce straight fuselage will look great its covered Inlay 1/8 soft balsa between stringers forward section fuselage called plans Wing fillets Ive tried ways stiff bond paper method best SPECI FICATIONS Wingspan Fuselage Length Height Wing Area Loading. Weight 60 48in 15 530sq - 20 oz/sq ft 4Y2lb PowerGeared Astro 15 RadioFutaba 6 cli ServosFour Futaba 3-20 Prop13-8 Canopy040 butyrate plastic cowl050 ASA plastic Main WheelsRobart 3% Tail WheelRobart 1 SpinnerDu-Bre 3 August1963 35 finished assembled framework seems too beautiful coverbut gets oven beautiful covered finished decorated Could pass huge Rubber model think Its lightweight strong very realistic completed method purely trial-and-error Cut out few patterns lay up against fuselage Cut little time pattern until obtain proper fillet contour sure make up fillet contour formers will help final installation fillets glued place give few coats nitrate dope will make tougher provide good base paint final finish wont able glue wing fillets until 1/32 plywood wing saddle has installed fuselage Therefore next step would build wing assembly Wing Start laminating wing spars 1A x 1/8 hard balsa spruce Next cut out dihedral joiners 1/16 plywood set aside until ribs have cut 3/32 balsa make necessary cutouts ribs gear mounting blocks lightening aileron rods go through holes Build center section first Lay down spars position ribs Cut spars dihedral breaks Af ter ribs glued add top spars Steve puts auto battery use fieldcharging Astro 15s Ni-Cds another flight charger plugs fuselage just front wing switch just behind plug Two-blade flying prop shown three-blader other pics show ply dihedral joiners joiners will extend beyond butt ribs ap proximately 5 dont cut off will glued spars outer panels Lay down spars outer pan els build units complete ailerons finished slide panels onto joiners Note spar join ers will have bent fit flush faces spars due taper outer panels Bend neces sary add glue clamp clothes pins until dry Plank center section 1/16 sheet balsa certain dihedral both panels equal Install ailer rods bellcranks servo wing built can now re turn fuselage Cut 1/32 ply wing saddle fit awaiting cavity Check fit saddle wing place shim ply neces sary obtain good fit wing Now can go back complete wing fillet Since fillet tapers rather sharply leading edge build portion scrap soft balsa blocks blending fuselage 180-grit sandpaper wrapped around 3/8-in doweL Radiator appendage fits under wing centersection doesnt have function model 36 Model Aviation Sliding canopy mechanism detailed plans Its flown open position allow flow-through cooling air Instrument panel adds nice touch realism authors Hurr4cane easy spot lineup Valley Flyers Scale Contest too much wind day fly Hurricane received lot attention Hurricane would look rather naked tried something new making radiator 2-lb-density polyure thane foam foam very easy carve shape sand After final sanding coat ala phatic-resin glue thinned water applied dry sanded 320-grit wet-or-dry paper layer silkspan applied second coat glue followed slurry water-thinned Dap vinyl paste dry sanded smooth finish sounds heavy final result really quite light radiator looks great hanging under wing Prepared way takes beau tiful finish painted could build radiator balsa block think foam better also quicker Tail surfaces model shown plans constructed tapered spars both horizontal verti cal tail surfaces started build flat upon completion found just didnt look right built another set taper little work liked end result Im sure model would fly okay flat stab rudder builders choice Canopy original model con structed sliding canopy serve two purposes vent warm air fuselage other al low access servos mounted three-abreast ply plate along two-position switch motor control method used making sliding canopy involved two lengths 3/32-in aluminum tubing rails mounted fuselage sides split down middle 1/16-in slot side 1/16-india brass tubing mounted can opy section slipped alumi mum tubing used guides used pins inserted brass tubing soldered bent 90-deg anglethe pins acted mounting points lower edge canopy idea worked well may other methods builder would prefer use sliding canopy dont install until ship completed small 1/32 ply former gets glued front canopy once installed canopy cant removed canopy frame masked sprayed olive drab dope before installation Landing gear Using pattern shown front view plan bend main gear 1/8-in music wire Bend sway braces 1 / 1 6-in music wire bind solder braces Continued page 92 Nor Cali AVIONKSS ACCUETACH 1 IITAL rACHOMET get contInuOii accurate RPM ru Out select ldle topend adjus jth dual scale capabiliWO iOOX Quality built preci sion electronics VOLTME Eate Determine ~arge yOiffr batte out Check orbat cycle TXRX tery comboS 3 MoNITOR QUICK CAR~sibleto Makes%ak battery safelyharg0 bY pack fast c volt watchinQ tiny age drop 51gnals full charge ORDER YOURS NOW 79JaId send check money order no CODs NorCal AVIONICS inc PO Box 70956 Sunnyvaie CA 94086 California residents add 6% tax Add $300 shipping outside continental USA Dealer inquiries invited August 1983 37 N Now Kit Form Savejeven easy assemble 4 channel kit expandable 7 OnIy$ 7995 service parts available past manu factured EK Logitrol radios including Logitrol manufactured Cirrus Tower Hobby Lobby radios Free servo reversing Hobby Lobby radios included service work 95 wIth large linear servos 12995 small rotary servos & 4 Four Channel Radio Wider body ends aching shoulder muscles Angled easier monitoring battery charge Designed easily accept new frequencies Servo reversing simply reversing plug Adjustable stick tension Inexpensive replacement servos 45OmU hqttery pack 600mAH & 1200mAH extra Expani Full Commana bystems509 487-2122 908 E Rosewood Spokane WA 99207 Fun/Winter Continued page 85 proportional rudder others soon after multiple propor tional controls So fair account radio control would make historical tome handful folks smatter ing electronics fiddled pulse rates pulse widths mixed both two proportional con trols have heard tell Jerry Pul lin West Coast real father proportional got act together early full-house propo rigs popped up commercially California like spring flowers will tell story very early SOs MAN asked Paul Runge what new said some guy Virginia system called Galloping Ghost turned out own AMA Executive Director John Worth solved proportional elevator rudder simul mechanical means led four-part article link age arms actuator single infamous Victory motor connected rudder elevators position transmitter stick would enable constantly threshing surfaces average out some desired flight path ground plane looked sounded like wounded duck Hams concocted strange wonder ful rigs crates example Sigfried won Nats circa 1940 15-ft giant performed first loopin public anyway crate big glassed door peeked saw huge gears made think colonial watermill Fuliarton cited MAN article reported early Nats no flights took place day because pilots ran out day light before could complete tuning equipment Good brothers Guff osten sibly rudder-only aircraft did have elevators heading photo can see through magnifying glass two relays through inspection door second tiny elevators dont recall Walt ever making eleva tor maneuver Nats dont have foggiest notion triggered second escapementun less some folks tried Goods two receivers conjures up wild notions about transmitter two frequencies point just spoke Walt Good phone Florida Yes two receivers tuned opposite ends old Amateur Band 50 56 MHz three escape ments Big Guff also clapper its spark-ignition Brown Junior sort slowed down Goods option flying either rudder/elevator rudder/engine Guff also thermal-delay engine cutoff actuated holding rudder five secondswhich tells lot about Guffs turning characteristics reason never seen Goods use rudder competition receiver acted up connected better rudder way won heading photo youll note small control box held Bill Goods hand using three close-up lenses stacked together able read words Up Down adjacent stick Almost completely hidden under Bills forefinger button switch Walt says two either buttons switches evidently rudder left hand operated rudder right elevator desired frequency automatically determined move ments controls tiny box Until glow plug came along Ray Arden flew powered FF across Van Courtland Park 1904that date precise because once interviewed Ardenhanded out sample glow plugs Minneapolis Nats 1947 thing ignition Before 1950 two sets points ignition engines two speeds world went glow-ignition bananas Crates became spongy fuel melted nitrate dopes came fuel-proofers finally buty rate dopes years no way throttle glow second escapement triggered quick blip primary escapement operated clapper choked venturi idleand few botheredthe plane blubbered along low speed cloud smoke came two needle valves above other Inside crate clapper adja cent end air line leading loW needle would close air line both needles would pour fuel badly-flooded engine Clouds smoke horrendous cleanups heartbreakers Relay contacts quickly became dirty and/or pitted due voltage spike sparks crates smashed-up flew away often made successful flights Chet Lanzo quipped radio control permitted select loca tion crash 1951 went four months successful flight al though flew weekend year tip RC historical icebergand part age escapements landmark reached late Forties Vernon McNabbs 465 hand-held outfit gained first approv al FCC license-free operation wont go incredible adven ture beyond saying flew test units before leading own Citizen airplane old MAN Sensational developments take place constantly cant see Chips stuff know take superb radio systems granted DCRC Club Open House early 70s stage displayed historic RC jobs members including Walt Good developed end line late-mark Rudder Bug fullhouse controls relatively modern proportional circa 1955 Well never forget Walt looking wistfully highwing Bug already flying Pattern other types saying what thought would come eloquent proof future cant predicted todays basic technology What changed things Cali fornian named Dunn unable dur ing SOs attend Nats amused himself revising Bonner cabin Smog Hog low-wingerthe Astro Hog Sig has Astro Hog kit knew low-wingers didnt fly After Nats deBolt phoned us MAN told him junk cabin Pattern designs Stunned murmured California has gone low-wing exaggerated thats impossible retorted Perhaps moral order make progress must watch kinds models years before very nice lowwing model won Wakefield Cup Low-wing Rubber Scale models flying 1943 design Italian fighter much inproved flown modern techniques Pat Dailey won FAC Nats WW II event Earl Stahls North American Apache best ever before war great Kingfish Sadler Little Rock successfully flying low-wing FFs Nats Dont think is aint Auto pilots Just talked Bill Hershberger early April opportunity fly transmitter computerized sticks developed fel low club member encoder board replaced computer unit face transmitter num bered buttons can program possible maneuver side other numbered buttons 1 5 enable use transmitter different airplanes Apparently takes off uses sticks normally Bill says could tell difference sticks feel own Silver 7 Until five minutes ago talking tongue-in-cheek about future Bite tongue Bill Winter 4426 Altura Ct Fairfax VA 22030 Electric Hurricane/Crowe Continued page 37 main gear legs used wire soldering lugs ends sway braces mount ply gear braces Continued page 144 92 Model Aviation The Best Custom Screen Sportswear See Us NATS will design com memorative T-Shirt club special event Call write details Corsait iesigns just some avaition designs available top quality line sportswear designs direct print eat transferl Gee Bee Warhawks Fokker DVII. P38 Christen Eagle. Pitts Special . Citabria. AT6. p-47. Steerman. Curtis Jenny . Corsair . Coaches ShirtS1295T-ShirnSB95 Ladies TopS950Long Sleeve T$795 Shorts$S95BeaeballSS95 Lined JacketS2195Football$S95 Tote Bag5795Sweetshirt$950 Tire Cover$14S5Hooded SweatSi4SS HatSS95 Wide choice colors sizes Send $100 new Illustrated Brochure Nane Address CityStateZip Design SizeColor now accept MasterCard & Visa _____ TO ORDER Send check money order add 10% postagelhandling MD res 5% tax OR CALL COLLECT after 4pm write Phase Art 17102 Earlham Ct. Upper Marlboro MD 20772 3011843-3050 FF Duration/Meuser Continued tram page i41 Award 1983 noted individuals have contributed development continuity Free Flight model airplane ac tivities throughout US world Society proud recognize achievements Reginald Denny deceased modeler designs have widely accepted both 1930s 1980s can forget Dennymite engine John Gard scientific designer Wakefield Nordic models has car ried theory aeronautics practical application through designs Don McGovern Editor Flying Models magazine years designer truly unique models designer/draftsman model plans almost anyone else John Pond grandfather OldTimers activity throughout world has pusher Free Flight since 930s George Reich dedicated modeler desire achieve championship status realized fully 1961 won Wakefield Cup USA developed rubber-powered designs have widely mimicked other modelers Lawrence Smithline name remem bered oldster today Larrys articles model construction appeared old Flying Aces Model Airplane News Air Trails yesteryear todays mod elers cut modeling teeth Larrys de signs Model Year Awards Jim Wilson Model Year Chairman National Free Flight Society announces awards 1983 International Classes FlAMatt GewainPacer 14 FiBAtain Landeau FiCAdreas Mecxner Delfsn AMA Power SmallRoman Ramirez Careo LargeHal WoodsSummerwind Doug Gaibreath744 Other Categories Hand-Phil Hainer JrKwik Flip II LaunchedPhil Hainer Sr Glider IndoorStan ChiltonSweet 16 EZ-B UnlimitedBob WhiteUnlimited UnRubberlimited ScaleDon SrullSantos DuMont SpecialEd DotbyFAI Rubber awardees have invited display discuss models NFFS Sym posium held AMA Nationals July Drawings photos stories about models will appear NFFS Sym posium Report will available Nationals mail order further information contact Jim Wilson 1030 Ave nue D Redondo Beach CA 90277 Bob Meuser 4200 Gre gory St Oakland CA 94619 Electric Hurricane/Crowe Continued page 92 wing small wood screws main gear mounted gear blocks aluminum straps screws gear fairing doors 050 ASA plastic Small metal strips soldered gear legs hold gear doors means 2-56 screws through small holes drilled straps gear doors tail wheel held Du Bro wheel collar Study plans steering arm soldered top collar picks up rudder cable steering engine cowl can carved bal sa laid-up fiberglass pulled plastic cowl model made ASA plastic pulled over wooden pattern cockpit canopy made same way isnt really lot effort carving plug have access vacu-form ma chine give try Make exhaust manifolds scrap soft balsa apply sanding sealer finish flat black paint Finishing Since trying keep models weight low chose cover MonoKote tried find flat-finish type mentioned Don Srulls Spitfire article no luck ended up glossy stuff 144 Model Aviation Gee Bee Designed RIC Combat agile little performer can fly rings around airplane youve ever owned youre looking really spirited responsive aircraft thats easier build fly Warbird exactly what need 3 Channel RIC 19 25 36Span Mixer Included $3495 OWBIRD Showbird big gest best has rock steady pattern performance thats amazing because will rolls straight up out sight stock K & B 40 slows down like glider landing 64 inches beautiful flying wing will make look great field Precision kit 2540 engine 7 eel ol rolled plans $5995 See dealer first send check money order Pacific Air 15 Skyline Drive Woodside CA 94062 %%y 1131 NW 45 Slreet Ft Lauderdale FL 33309 1305 491-6 175 ENGINEERING TIlE LANDING SEAR PEOPLE Tired bi laildiag gears kit dust III biggie properly 0 & 0 Eaglneenllg can seIne year probleesl * Custom heBI seeds & syocs guarasleed * Straug & durable ti wilhstasd Ike leogbesl lauding * 0 & 0 Engineering gear will work & beep biggie flag * In stack roploemeellI gear popular models Ryram Pills Christie Eagle CAP 21 Ralsa USA J-3 CUB Air Tech Powece Eugle Nesee Big Stick Cbamp Cltabria & II models Snapper Stieger snapper Too painted flat Pactra Formula U covered fuselage silk gets around compound curves easily weight adds negligible fuse lage given four coats nitrate dope final finish light coat Formula U olive drab followed light coat camouflage flat tan Before painting wiped MonoKote areas acetone remove oil dirt Decals produced Dave Platt Models very close proper size model Control rods used Suliivan Gold-NRod cable type lightweight flexible can easily positioned through fuselage bulkheads cable system moving elevator rudder makes very neat installa tion like attach cable servo arms either Du-Bro Gold berg easy connectors rig con trols setup need loosen screw connector move cable fore aft get desired result Flying Did get everything lined-up properly wing tips have cor rect amount washout Are control attachment points secure Are wheels tight Dont laugh Ive seen new ship leave wheel roll ing down runway lifted off cause pre-flight check overlooked takes small item destroy three four months work Check balance point should fall between 25% 30% wing chord Dont fly ship tail-heavy rearward balance point courting snap-roll disaster sure CC correct point model tested 13-in-dia 8-in-pitch prop did very well once trimmed out Later tried 12-8 13-incher seemed put out much thrust 530 sq wing area model handles 4-lb total weight ease During test flights motor battery closely watched bit concerned might heat up too much seems stay very cooL believe Hurricane would really perform new Cobalt motors Maybe Ill try later now Im having ball straight Astro 15 gear unit dont think will have regrets build ship took Hurri cane Valley Flyers Contest California stole show youre looking fun Scale project has great looks flyabiity SAFE FLYING IS NO ACCIDENT ************* *** ** WW***W * * * * WANDITTM * *Dealers Invited * * COn yOar warranty * ~J -K *CORD *Wet DryK * Stich AbrasivesK K *A Keen Machine' gives enceptionalK *sanding control encellent finish* * * 8995 Basic OcI 1 flat Wand 1 * ritsK *10895 Builder Special mcI 2 fIat 1 half * ano wand 5 6 grtsK *12995 Delver includes 3 flar 2 halfK * nd wauds buff wanos andK -K * 6 grits * *Addtional Wands Abrasves ava ableK * e local hobby shopK *K *80015 ELMORE Eoe No 1214 288 5780K * P 0 Box 266 uite Texas 75149K K KKKKKKKKKK*K Radio Technique/Myers Continued page 39 tion selectively amplifies signals between 72 73 MHz rest gives us second stage filtering Meanwhile crystal-controlled oscillator LO receiver running fre quency precisely 455 MHz above transmitters frequency oscil lators voltage frequency injected mixer along amplified RE voltages IRE section mixer frequency present mixed other frequency present including local oscillator mixing new fre Continued page 148 August 1983 145 INTRODUCING THE NEW FOX 36 RC Schneurle Ported Ball Bearing Main BRAND NEW 36 RC.evolved highly successful Combat Special took highly successful Fox Combat Special fitted new MarkXtype carburetor made porting head modifications get run idle well no-nitro fuel Result.the powerful 36 RC market new Fox 36 RC combines power superb idling characteristics light weight.and delivers lowest cost fuels 23900 Fox 36 RO$5995 90236 TiltUp Muffler1495 90237 Tilt-Down Muffler1495 F 0 X MANUFACTURING Co 5305 TDWSON AVEFORT SMITH ARK 72901 Hot Line SOif 686-1656 IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA$20950 New 22 CID QUADRA$10950 Req 22 QUADRA $10450 Brisighelle Flywheel 012450 Req 22 QUADRA POWER ASSEMBLY ONLY 86450 QUADRA REPAIR 1000 pIes pews Jim Mesner ERCOUPEPLANS 82395 KIT $23995 Jim Messe TOMAHAWKPLANS $2395 KIT $25995 Jinx Messe 9-BALL TRAINER PLANS $1695 KIT $9995 BALSA end BASSWOOD fell siesI 35% OFF Connept FLEET PLANS $2995 KIT $15995 COWL $1995 P6W RADIAL ENGINES tar Fleet $2495 VICKERS LEWIS MACHINE GUN KITS $1495 CECONITE Podunts 10% OFF Siq J3 CUB KIT $12495 PLANS SUPER STEARMAN IGedfreyl $2095 STARDUSTER TOO IBrisighellel J3 CUB NeIit $2995 VOLKSPLANE IChinken Cherliel $2395 COCKPIT KITS Tonehewk F4U-1 Spitfire $2295 Ernoepe $2095 Steernien 82295 Citebrie $2495 J-3 Cob $2195 ME-109 $2295 Fleet $2195 US Ocedre FUEL TANKSlOne $695 32 en 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Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 VelleY View Dr Allegeny NY 14706 AU NEW cusro SCNNEURLE cox 009 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom parts Cox TD 020 049 051 & 09 engines Competition parts & accessories Combat Free Fit C/L & A/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna Hills CA 92653 Telephone 714 830-5162