NO OCR TEXT 1937 Wakefield International contest free flight rubber- powered models held England Sunday August 1 1937 event won Emanuel Fillon France However American Wakefield team Alvie Dague Dick Bodle Herb Fish Frank Zaic Henry Struck did come home emptyhanded Bowden International Trophy contest gas-powered models won next day Herb Fish flying model designed built Carroll Krupp Akron Ohio Bowden event timed duration type based complex set rules involving appearance model timed flight 45-90 seconds controllability stability plane ability take off land undamaged end scheduled flying four fliers including Herb Fish tied first place flew another round two fell shortleaving Herb Fish Englishman next round English plane landed little hard bent its landing gear American plane won Plans Krupps winning model included Frank Zaics 1938 Yearbook plan reproduced along comments about design Dr D B Mathews Old-Timers column June 1986 Model Aviation article revived interest design successful contest gas models 1 930s parasol high-wing mount no fuselage cabin such Joe Kovel Charlie Grants famous KGs Maxwell Bassetts Miss Philadelphia VI Chet Lanzos Record Breaker Krupps design prettiest type its graceful lines also has sailplane-like proportions felt its long wing would make good RC soarer Since Kyosho Electric Airplane Prop Drive Unit 360 PT LeMans motor gear drive special 9 x 8 prop available decided build Krupps airplane Electric antique climbing gliding hopefully soaring sport flying result model has become favorite fun flier have become hooked Electric flight because challenge achieving enjoyable-length flight limited power available Ni-Cd batteries same challenge faced builders rubber compressed air C02 other stored-energy models Electrics its back old rubber-powered design basics get best out limited energy available larger ratio stored energy source motor Ni-Cds rubber etc total airplane weight longer higher model will fly goal have structure light possible yet strong December 1993 105 Six-foot-span model three-fourths size original Parasol-mounted wings popular gas-powered models Bowden winner rib frame spacings scale 1930sthey supposed stable Front view uncovered structure shows removable motor-radio unit fits fuselage Frame-and-covering structures very strong weight Light weight important Electric models Removable tail surface Note original smaller rudder area Hinge line later moved forward enough support power devices weight frame-and-covering construction used old gas rubber models light strong hence antique gas models make good subjects climb-and-glide Electrics calculations showed 3/4-size model would about right 05 motor Krupps basic airframe structure followed using scale rib fuselage frame spacing Modifications included adding RC control surfaces structural efficiency needed Electric powers extra weight Radio motor battery access problem frame- and-covering fuselage lacks flush-mounted high low wing give access opening wing removed decided make nose section detachable strong spar running back through fuselage radio system heavy motor battery attached has worked well disconnecting control rods servos through small hatch removing two screws firewall complete motor radio unit can removed servicing disadvantage motor battery cannot changed quickly using precharged battery packs continuous flying problem usually fly other models battery airplane being recharged complete six-foot-span airplane landing gear weighs 15 ounces motorradio unit removed CONSTRUCTION step-by-step construction sequence beyond scope article Given drawing experienced builders will build model utilizing own methods General Builders rubber-powered contest models excel building strong light structures try use some tricks Use light contest grade 4-6 lb/cu ft balsa sheet wood parts hard balsa longerons wing spars medium-to-light wood rest structure Before starting construction sort balsa three four piles weight using heaviest normally hardest strongest wood fuselage nose near center wing tail surfaces lightest toward rear tips White glue used practically wood joints am allergic cyanoacrylate CyA glue would have faster probably lighter recently tried Hot Stuff UFO glue no problems would use building model now Build complete model before covering will much easier make fit removable unit control rods Fuselage I use perfectly fiat building board covered Homosote house wallboard soft takes pins nails well Cover plan plastic wrap Continued page 110 Motor size type Geared 05 Electric Number channels Three Flying weight 41 ounces Construction Built-up Covering/finish Silk/Nitrate dope 106 Model Aviation vable motor-radio unit easily removed servicing Radio equipment attached strong spar Front view fuselage motor-radio assembly removed Assembly held place two screws two dowels Bottom view servo access door open Pushrod clips easily disconnected rudder elevator servos Type RC sport Wingspan 72 inches GEITOR RIC Products Inc SOFT-N-SAFE ENGINE MOUNTS Soft Mount using special serrated lao-Damp Grommets Engine always safely retained Very effective vibration reduction dramatic decrease engine shake Light machined aluminum beam mounts 60 2-strokes 1204-strokes available Also available aluminum radial mount 60 2-strokes Soft-N-Safe 120 beam mount complete . $3495 Soft-N-Safe 60 beam mount complete 95 SoftN-Safe 60 radial mount complete 5 Soft-N-Safe Replacement Iso-Damp Grommets Pkg 4 60$295 Pkg 4 120$595 RADIAL ISO-MOUNTS Conventional backplate type mount using four Lord-Type 60-Duro isoMounts Optimized lowest vibration transmission airframe reduced engine shake Radial Iso-mount complete $1495 Iso-Mounts Package 4 $995 5/8 diameter x 1/2 long 8-32 female end 8-32 x 1/2 male other end 60-Duro rubber Provides solid support br accurate building Rugged 7-ply aircraft plywood construction Two sizes available Regular fuse up 6-1/4 wide Jumbo fuse up 9-1/4 wide Use building board base mount Uni-St rut Guide Rails versatile set-up Contains hardware & instructions including Uni-Strut information Box 4 Standard Jig Stations $2195 Box 4 Jumbo Jig Stations 2395 2 Five Ft Guide Rails & Mounting Nuts . $2295 GLASS CLOTH 7 oz/Sq Yard est Filling est Weave Lightest Finished Weight Includes Detailed Instructions Big 3 Square Yard Pkg $895 G6TO1I R/C Products Inc 3713 Pompano Drive Pensacola FL 32514 904/494-0203 904/494-0207 VISA/MasterCard Welcomed $4 00 per item SH esidents add 6% Tax 110 Model Aviation en/Weaver Continued page 106 waxed paper Use one-inch-long 16-gauge brads along longerons hold place over plans front half longerons 1/5 x 3/ts longeron doublers nose should soaked hot water allowed dry brad jig before uprights added will eliminate tendency longerons force sides out shape removed building board dont try build fuselage side atop other using large wood sizes instead make first side make two upright After removing glued first side replace brads original holes Add two longerons doublers glue already made uprights longerons have same crosssection should uprights will fit snugly assuring second side identical first protractor-guided hand sanding block device can big help make uprights diagonals have neat snug fit longerons pieces can cut slightly long few swipes sanding block will make fit perfectly lower opening FU-2 motor battery cooling air will exit through louvered servo door covered window screen keep out anything might blow fuselage landing taking off upper opening directs cooling air speed-control cooling fins Note lower longerons cut away clear hardwood landing-gear attachment blocks used bamboo tail skid bit bamboo seems appropriate antique formed over 3/4-inch-diameter dowel using heat gun certain point bamboo gets hot will soften like plastic held until cools shape becomes permanent Bend shiny side outward small door just front stabilizer allows rudder control rod taken out fuselage cut free two sides after covering allows covering act hinge long side servo access door also uses covering hinge thrustline shown scale centerline original Brown Jr engine raised gear box offset might appear Wing wing structure different original except scale rib spacing Bob Kopski s taperedstrength spar system used strength lightness see About Electrics Part 8 April 1984 Model Aviation Two t/s-square turbulator spars used instead sheet-covered leading edge laminated tips soaked hot water pulled around form least inch thick Use few inches excess length thumbtack ends dry paint white glue attach form again used scrap 3/ fir plywood bandsawed contour forms traced sheet parts inexpensive tracing paper stick balsa sheet templates rubber cement After sheet part cut template made paper tracing can peeled off leftover rubber cement will rub off part template thin plywood preferably aluminum template made rib W-2 full set identical ribs can cut spar notches can enlarged become ribs A-3 A-4 suit assembly Drive brad through template near leading trailing edges backing up wood will leave toothed perforation will keep template slipping W-5 plywood rib reinforcement ties wire mount attachment CI-IPNTMAS SAl 11 WINGSPAN 136 POWER 1-25 OlD 4550 LUS Balsa snd ply construction Fiberglass cowls scoops jriberglass fuselage wing center section gear doors 90 2 cid 27 lbs orsners firewalls retract rails etc installed Fiberglass Scale 95 Sport scale 105 stretched wing Istabilizer cowlings complete hardware includes KIT REG $495 SALE $425 till 12/31 Itailgear tire fuel tanks bar stock spinner domes lug-in wing hdwe Robart retract package avail direct E PRICE.KIT AND RETRACT P10 COMBO $1795 ICHRISTMAS SALE! leading trailing edges spars thus whole wing spars turbulator strips cracked allowed naturally bend down up tips Dampen top spars last W-2 rib assist Make wire wing mount parts accurately possible 1/32 X bracing tacksoldered front rear struts Bind joints fine wire used lamp-cord strands will little floppy first pieces added will assume its finished shape Some wrappings will have rewound accommodate added parts mount holding together wire wrappings set piece wood simulate fuselage Pin tape front rear struts wood hold bottom alignment wing-rubber attach hooks shaped allow wing cam itself off release rubber bands tip hits crash Slide hooks up snugly three-inch-wide piece will align wing fuselage dont want slop everything looks square start soldering Use 4% silver 96% tin highstrength silver soldermade Kester Stay-Briteboth landing-gear joints After soldering attach three-inch-wide piece fine emery cloth wood piece Rub mount forward back until wrapping wire solder bumps smoothed off four small smooth flats will sit rocking fuselage wear plates mount can now attached wing leading trailing edges should fit perfectly giving wing incidence 4O necessary bend top ends struts parallel wing parts Check wing 9O fuselage before final gluing 1/16 sheet added around wire exits wing gluing area aid covering also purpose 1/8 caps wing center line covered wing including wing mount weighs 7 ounces Tail surfaces stabilizer fin use same construction methods wing elevator rudder very light contest-grade balsa sheet eliminate warps simplified construction diagonals added fin covering bowed hinge line Robart Mini Hinge Points light easy install allow surfaces move easily friction Dont glue until after covering hidden elevator horn little complicated hard make appears paper Motor RC Unit removable nose radio-battery spar unit should accommodate geared 05 motors radio receivers Adjust elevator travel /s inch rudder travel 1 es measured trailing edge motor battery held spar wrapping 3A6 rubber-model motor strip used 16-gauge SR highflex wire Sermos connectors wire motor battery exact location battery determined model balanced Fit wiring neatly place hold spar wrappings 1/2-inch-wide Scotch Magic tape plans show following radio battery equipment Tower 500 standard-size receiver two Tower TSS-10 microservos Tower TSS-20 miniservo operate motor toggle switch SR Series 150 175 mAh receiver battery SR EP Max Pack Series 1200 six-cell motor battery resulted flying weight 44 ounces After plans completed installed Futaba Attack 4NBL-E radio THE LEADER IN COM PETITION NEW 4 NEW HIGH TECH AIRFOIL SECTION 10T020% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 534 634 72833456 8334568 84566147 94566A77/ 104566147 106W8W 106EW 1146774778 115W 116EW 1167 124W 125W 1256 1356 1456 1556 164N 16678 RC PYLON RACING SERIES 500 DIA PITCH 75N 5N 8I6778 SERIES 400C 866777 9777 W WIDE BLADE EW EXTRA WIDE N NARROW December1993 111 OS6NFD PROPELLERS A CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DE VELO P ED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIAPITCH THP 1266778 136778 146778 1567 16678 PRO SERIES 3 LI 11 Money Back Guaranteed 115S5251 * mcrsrt VA\NI0TR suoras VMNE AMAILABIL tor 2-Cycle 40 & up & 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BOX 37 BAXLEY GA 31513 Fax9123673577 COMPARE OUR RETRACTS TO THEIRS Stainless Struts cut FREElComplete Air System Stainless Torque LinksAsle Installed Different strut configurationsParts Service * 1 Year Limited Warranty 30 Day Refundt GIANT MAIN RETRACTS STANDARD OR 900 ROTATE 30-50 lb aircraft 2 sets 1 Standard 900 minutes 700 1100 retract angle Over-center lock down Hose gear available $27500 pair WI 15 lbs 1/5 SCALE MAIN RlMAuI STANDARD OR 900 ROTATE Fits PICA Skys P-Si 1/5 Yellow A/C Ziroli Bud Nosen plus Choice 01 91 Plyon Winners Handles 20-25 lb aircraft 84097 retract angle Positive lock up lock down Optional wire struts Nose gear available $19900 pair Wt 22 oz NEW 1/5 SCALE P-51 & SPITFIRE products proudly MADE IN THE USAI THE GREATEST RIC VIDEOSEVERPRODUCED Most Comprehensive Coverage Major DnciedFan Scale Events Join TELSTAR VIDEO take Back Best prestigious event scale aviation 5 full days 3 broadcast cameras captured alt 2 volume set runs tncredible 2 hours 45 mInutes Only 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several long flights receiver-speed control combo mounted cooling air speed control shown fuselage side view Two Futaba aileron extensions can used connect receiver servos Covering antique effect model covered red heavyweight silk three coats clear nitrate dope requires two square yards covering material have using Coverite Balsarite attach silk tissue since got some use Micafilm Balsarite hotmelt quick-drying liquid brushed framework covering adhered Its advantage over use dope glue attaching using model sealing iron covering can tacked place spots around edges tacks can softened iron covering restuck pull out slack wrinkles silk smooth can permanently ironed down around edges wing covering slit fit around wing mount wires silk sprayed water shrink tight doped Dope will loosen Balsarite best substitute silk Micaflim very tough almost light silk has translucent appearance much same doped silk tissue BACKYARD MICRO FLYERS PROFILE/SCALE BUILD TO FLY OR DISPLAY W35IIU Albatros Dt Fokker DVII tnk Triplane SR 5A snpwlth comet SPAD 8alsa Print Wood 6-8 Wing Spans Price 52w $250 en Money OrdeeOly Nucolyrt NSa enido5s add oter tar P4P Witdmt t6F HeSeat FW-t95A Haw Hunicane Heinket HetlI trackers IU-8f S MS-SD ME 262 Mit Zeae P470 Thandenbati P-555 Martang Spidlee Fantasy Flyers LOans 430 Pantsingvitle NY 11738 112 Model Aviation lable colors Use ____________________________________________________________[v32][b2235120191200]] same covering technique Balsarite given above silk wing perfecfly flat usual _____ 1930s lack washout has given no tip stall troubles Final Assembly 1A2 plywood wing mount wear pads stabilizer trailing edge reinforcements attached after covering attaching lower stabilizer reinforcements line up rudder-stabilizer assembly airplane centerline place snugly against fuselage act aligmnent keys attaching removing tail assembly Adjust battery spar make model balance point shown install motor-radio unit servo access door taped open fuselage held vertically radio antenna dropped until its end reaches door fuselage tilted ____________________________________________________________[v32][b21361183191500]] antenna end comes out ____________________________________________________________[v32][b21361212191200]] door Continue lower unit --engage spar end FU-4 support Engage nose firewall two /8 locating dowels slip nose place Install two 4-40 screws antenna can stuffed its tube two control rod links attached servos door closed use six-inch piece 047 music wire 3/s-inch 900 bend end tool open links supporting servos fingers support under links closing use six-inch length 1/4 brass tubing 3/ length flattened bent 90g wing held three #33 rubberbands wing struts front rear stabilizer three #32 Continued page 126 BJ FLOATS FULLY FORMED STYROFOAM FLOATS READY FOR FINISHING ____ MOUNTING BLOCKS AND INSTRUCTIONS INCLUDED - vO MODEL MAGIC PRODUCTS INC PO BOX 19784 ST PAUL MN 55119 612/653-9548 December1993 113 -SAFETY EUUIPMEJVT FOR TODAYS FLYER UNCONDITIDIIAL MLINEe BACK EDARA P1 TEE TRY Il IF YDIJ DOlIT LIKE IT WELL BUY IT BACK! ir Lduncher 5Ui & Pit Cr2wT DESIEAIED WITH ENOLJEH STRENETH TO151 LW CIPINION ITS PRODUCT WHOSE TIME HAS COME SAFELy HOLD MOST SPORT THRIJ I5IANTTHAT SHOULD BE CONSIDERED BYEVERYAMA SCALE PLANESED FIELD GARY SHA W -SAFETY COLUMN MODEL AVIATION AUGUST 1993 ELIMINATE RUN-A-WAY PLANES HOL DINE SLIPPERY FIJSELAI5ES PREMATURE RELEASINIi AND COMMUNICATION PROBLEMS ARM5 ARE FREE-FL DA TINE AND AUTOMATICALLY LOCK IN LJPRII5HT POSITION FOOT PEDAL IS IJSFIJ FOR E-Z ONE STEP RELEASE 0 Wo*Jqg Togetha 6...AI VIA z Industry Associate lIlIES FULLY ASSEMBLED THREE VERSIONS AVAILABLEINCLUDES FOUR ID INCH HOLD BIE BIRD7 7DOWN STAKES FOAM CUSHIONINE SPORT PLANEEALL TIJUA yFOR PROTECTION OF THE LEADINE EDEE AND SAFETY PEDAL STOP CDNTRDL LINEDEALER INDUIRES WELCOME Designed Change Wag People Fly 58DB LANCELOT CT SW OLYMPIA WA RB5I WE ACCEPT auncher Lu BOB 7BE-B4EI OR FAX BOB RSE-3419MASTER CARD AND VISA 2 order call Eric Sanders 513-299-7684 5 pm-b pm EST Monday-Friday day Sat Sun CAD airfoil editor-move coordinatea wlmouse create new points round Out leadiry undo mode 64x zoom pan mode coordinate ID mode shows current cursor position etc S Easy use mindowing interlace Pop up test editnr document airfoil changes-saved mith coordinates ulates elliptical planform rib lengths Chord queue allows templates several chord lengths printed oat unattended edit coordinates Pop-up calculator conversions s foam outline screen optimize template height Customizable screen colors are airfoils screen printer using overlay mode ts mirror image Calculates panel volume & surface area aide weight ostimationse Supports dot matrix laser iet printers Calculates prolected panel area airfoil cross sectional area perimeter length tion negative washout Modily airfoils changing camber thickneasmirroring combining tops bottoms different airfoils Interpolates between different root tip airtoils position within wing panel uts DXF file Both scaled unscaled hi-rca screen preview modes her\Cut minI calculator much much more. Remember wine accurate temolates CompuFoil Profeseional-$65 Airfoil Library w1135 airfoils-SlO S&H add $3 Also available-CompuFoil Standard-$25 CompuFoil Plus-$45 Demo Disk-$5 refundable order wIpe compatabillly product ordering information 3904 Traine Dr Kettering OH. 45429 279/Ill IFXOOIO8/bSc/8ls/ 03 k 1 IZES AVAILABLERETAIL 282399 322599 362999 403199 483699 564999 PLOATS WITH BALSA PaR SHEETING 283499 324199 364699 405299 485899 Custom Cradles Feature Custom molded gray tubing--no ugly fittings Special neoprene foam--impervious fuel oil Folds easy storage Custom design built last Ready use--no building Easily adjusted G9C44 eWSIm ~O4faC4 3177 East Fofl Loweil Road #1 Tucson Arizona 85716 Call today order 1 -800-CRADLE-a 272-3530 - AI -4rflO Taft Boy Custom Cradtaa Tail Boy Large25 tall 28 long 5 B wide fuselage-$4090 Tall Boy Standard32 tall 22 long 3o 5 wide fuselage---$3890 .Tail Boy X-Large--26 tall 28 long 8to 12 wide fuselage--$4290 F --AL l3et l\I5vq EVEEa TIVao&RLtIL -I mm ZZx Boy Custom Cradles Lo Boy Standardi 0 tall 22 long 3 5 wide tuselage- $2490 Boy Large14 tail 28 long 5to 8 wide fuselage $2890 Lo Boy X-Large--16 tall 28 long 8to 12 wide fuselage- $3190 VINTAGE P/C PLANS CPRRVIOUSLY SID MORGAN NEW OWNER-FRED NOVACI 5105 PINE HILL CIRCLE HOWELL MICH4 8843 __ L - CUIG77SS-WRIGtIT T-32 CONOOR IENGS 40-60 PLAN NO 08 RC B I&95 PLUS $395 USue $75 FORuC MANY MORE 1993 CAIALOGE $200 US 300 P0 W1 ON COWERS PIPER PRY-GA WACO SICNSON FAIRCHILD FIESELER Fl 156 C3 STO NCR MGA PILOTS FLY THE WORLD OVER m 98 enterprises po box 5631 tresn CO 93755 tel 209 224-4170tax 209 224-7289 Scale plans adding panel lines rivets also uses method check size placement markings Hal Winters baffled us slide-show questionnaire included model personalities aircraft model aircraft aviation personalities other trivia whole affair blast hope see type BowdenlVleaver Continued page 113 rubber bands side FLYING model clean sailplane drag landing gear wing struts large frontal area necessitate additional power achieve reasonable climb Use hotter 05 motors LeMans 360PT motor draws 23 24 amps about 140 watts during useful run about 31/2 minutes allows two climbs well above usual sailplane winch-launch height still air will average eight-to-nine-minute flights has good glide will soar well lift characteristics highwing parasol model tendency slow responding rudder control both going out turn During test flights found model needed rudder area reason rudder hinge line moved forward inch giving rudder area model now easily kept under control very stable longitudinally present after five summers flying am using wing incidence balance point shown plans social function again Nats Its time start building next years entries understand bounty Steve Ashby next years Nats anyone out can beat him Sport Scale will national champion fifth year row challenge has made See Texas ls strength tested during first trial flights radio motor speed control tested perfectly during ground checks air constant glitching control being erratic motor cutting off made several lucky flights safe landings nothing did radio motor speed control helped Finally tb model made full-rudder spiral di ground hitting nose wing tip wing flew off designed damage wingtip bent landing gear prop shaft few small dents nose cowl hit hard enough cause motor battery move forward 3/ inch though tightly rubberbanded motor spar could moved hand gave up speed control tried servo-operated on-off motor switch radio problems disappeared speed control necessary climb-andglide flight anyway condemn speed controls general know work perfectly probably something peculiar radio motor setup should have worked out During subsequent flying 126 Model Aviation WAFFE USAAFSTATE-OF-THE-ART PILOTS WWI AVIATOR 52495us WWII USAAF 52995 114 W W II N V Y 2495 WWII LUFTWAFFE 2995 CIVISPORT 2495 I/S JET TOP GUN 29951/9 WWII JAPANESE 1995 AVAILABLE AT YOUR LOCAL HOBBY DEALER OR DIRECT P&H $350 PER PILOT F RES ADD SALES TAX SEND SASE FOR COLOR BROCHURE 5 I Join Giants Help Promote iLJEfNon-CompetitiveI EUIJ _______ InIrpIonaI MoaIu.J*nca11 AccaIon IMAA membership includes quarterly magazine High Flight IMEMBERSHIP APPLICATiON IJ NEW RENEWAL Date19I Yearly Dues $1500 USA $2000 US Canada & Mexico $3000 US Elsewhere I Make CHECK MONEY ORDER Payable INTERNATIONAL MINIAlURE AIRCRAFT ASSOCIATION INC I Name ______________________________________ Ph _________________________ I Street ______________________________________ P0 Box/Route Box ________________ I ________________________State/Province _________________Zip _________________ 1City IMAA __________AMA Number ___________MAAC __________Chapter __________ L TO IMAA Secrotary DONE VINEYARD e 205 HilIdole Road na KS 67401 mmI occasion put model long vertical dive wires whistling get out strong thermal about make disappear overhead no fluttering wing survived dive pullout okay Fine trimming get maximum climb glide can go forever its part challenge wing incidence can increased shimming under front struts wing can also moved fore aft Adjust until get best glide angle elevator trim neutral model may require slight up down elevator trim get best climb Since no down right thrust used original find need about right trim rudders trailing edge control torque under full power CL SpeedlLee Continued paqe 73 feeling low Grandpa used instant glue fiberglass model back flying condition Mike put up three official flights fastest being 13378 score won first place Junior barely ahead Peter Brown 13318 Three Seniors tried fly David Van Allen Chandler Arizona get official time Dave came Nats Slugger Brown other Staten Island Speed Team members helping him Open fliers airplanes powered variety engines Aloise Team using two ACE engines Carlos built last year Some changes necessary use model SAM competition Make rudder elevator open-frame construction like fin stabilizer sheet wood shown Remove turbulator spars sheet wing 1 es behind leading edge Sheet wingtips rib W-l outward sheet center section three inches out centerline encourage power fliers try soaring like lot sports look boring spectator exciting participant Electric power quiet clean way get soarer either antique sailplaneup thermal-finding height perfect way go us old free flight thermal chasers losing wide open spaces young legs us Rossis 0S Nelson engine Aloise Team Tommy Brown Frank Garzon first second third until Connie Aloise showed up arrived late after flying Evansville Indiana Carlos picked up Carlos processed airplane morning Connie started engine required rules Slugger flew her first flight new 21 Sport Speed record 15244 backup flight same speed clinched record well first place Connie uses two ACE engines seems develop massive amounts power lower rpm During flight engine much quieter others believe using larger prop rest us December 1993 127 ALES INC Fiberglass Headquarters * BUY DIRECT * Super Bond 5 mini Epoxy Epoxy Laminating Resins Cyanoacrylate Adhesives es ective Hand Creams Masks Aprons- Polyester Resin al Sprayer Laminahng Brushes ers Acetate- Fiberglass Fillers Tongue Depressors Wood Mixing Paddles sive DiscsSandpaper Foam Brashes- Fine-Weave Medium Hesoy Weight Cloth ar on Fibers TECHNICAL INFORMATION kexier tepee cerbon fiber tapo & CAUTOLL FREE xerbon fiber trend avoilable tI WI OIl IL Nt 1-800-589-4444 18621 E Nine Mile Road Esstpointe Michigan 48C21 313 777-2032Fax 313 777-0350 R/C BEGINNERS hobby loses about bait Its potential fliers because fail successfully solo IT ISNT THEIR FAULT ITS THE PLANES FAULT just some rn advertised trainers impossible tor average beginner solo seems norm crash ruin 4 5 planes before becctming successful both stupid costly mention real turn-oft new student quite unnecessary YOU COULD SOLO YOUR FIRST TIME UP Thanks extensive trainer flighttesting ever conducted hobby can now know advance ones fly slow hands off stable easy enough Grandma lust so-so intermediate Which ones deserve trainer label Send $350 plus 520 postage EASE-OF-FLYING RATINGS OF R/C TRAINERS Over 40 currently available train ers evaluated including ARFs Also grades easeof-building explains trainer aerodynamics dares address questions poor trainers good trainers marketed does no warn about Guarantee Yosr money back yos say eye-opening candid enlight ening time-saving money-saving frustration sparing R/C publication have ever read Send chock money ardor Jim Waterman 3818 Deerfield Dr San Antonio TX 78218
Edition: Model Aviation - 1993/12
Page Numbers: 104, 105, 106, 110, 111, 112, 113, 126, 127
NO OCR TEXT 1937 Wakefield International contest free flight rubber- powered models held England Sunday August 1 1937 event won Emanuel Fillon France However American Wakefield team Alvie Dague Dick Bodle Herb Fish Frank Zaic Henry Struck did come home emptyhanded Bowden International Trophy contest gas-powered models won next day Herb Fish flying model designed built Carroll Krupp Akron Ohio Bowden event timed duration type based complex set rules involving appearance model timed flight 45-90 seconds controllability stability plane ability take off land undamaged end scheduled flying four fliers including Herb Fish tied first place flew another round two fell shortleaving Herb Fish Englishman next round English plane landed little hard bent its landing gear American plane won Plans Krupps winning model included Frank Zaics 1938 Yearbook plan reproduced along comments about design Dr D B Mathews Old-Timers column June 1986 Model Aviation article revived interest design successful contest gas models 1 930s parasol high-wing mount no fuselage cabin such Joe Kovel Charlie Grants famous KGs Maxwell Bassetts Miss Philadelphia VI Chet Lanzos Record Breaker Krupps design prettiest type its graceful lines also has sailplane-like proportions felt its long wing would make good RC soarer Since Kyosho Electric Airplane Prop Drive Unit 360 PT LeMans motor gear drive special 9 x 8 prop available decided build Krupps airplane Electric antique climbing gliding hopefully soaring sport flying result model has become favorite fun flier have become hooked Electric flight because challenge achieving enjoyable-length flight limited power available Ni-Cd batteries same challenge faced builders rubber compressed air C02 other stored-energy models Electrics its back old rubber-powered design basics get best out limited energy available larger ratio stored energy source motor Ni-Cds rubber etc total airplane weight longer higher model will fly goal have structure light possible yet strong December 1993 105 Six-foot-span model three-fourths size original Parasol-mounted wings popular gas-powered models Bowden winner rib frame spacings scale 1930sthey supposed stable Front view uncovered structure shows removable motor-radio unit fits fuselage Frame-and-covering structures very strong weight Light weight important Electric models Removable tail surface Note original smaller rudder area Hinge line later moved forward enough support power devices weight frame-and-covering construction used old gas rubber models light strong hence antique gas models make good subjects climb-and-glide Electrics calculations showed 3/4-size model would about right 05 motor Krupps basic airframe structure followed using scale rib fuselage frame spacing Modifications included adding RC control surfaces structural efficiency needed Electric powers extra weight Radio motor battery access problem frame- and-covering fuselage lacks flush-mounted high low wing give access opening wing removed decided make nose section detachable strong spar running back through fuselage radio system heavy motor battery attached has worked well disconnecting control rods servos through small hatch removing two screws firewall complete motor radio unit can removed servicing disadvantage motor battery cannot changed quickly using precharged battery packs continuous flying problem usually fly other models battery airplane being recharged complete six-foot-span airplane landing gear weighs 15 ounces motorradio unit removed CONSTRUCTION step-by-step construction sequence beyond scope article Given drawing experienced builders will build model utilizing own methods General Builders rubber-powered contest models excel building strong light structures try use some tricks Use light contest grade 4-6 lb/cu ft balsa sheet wood parts hard balsa longerons wing spars medium-to-light wood rest structure Before starting construction sort balsa three four piles weight using heaviest normally hardest strongest wood fuselage nose near center wing tail surfaces lightest toward rear tips White glue used practically wood joints am allergic cyanoacrylate CyA glue would have faster probably lighter recently tried Hot Stuff UFO glue no problems would use building model now Build complete model before covering will much easier make fit removable unit control rods Fuselage I use perfectly fiat building board covered Homosote house wallboard soft takes pins nails well Cover plan plastic wrap Continued page 110 Motor size type Geared 05 Electric Number channels Three Flying weight 41 ounces Construction Built-up Covering/finish Silk/Nitrate dope 106 Model Aviation vable motor-radio unit easily removed servicing Radio equipment attached strong spar Front view fuselage motor-radio assembly removed Assembly held place two screws two dowels Bottom view servo access door open Pushrod clips easily disconnected rudder elevator servos Type RC sport Wingspan 72 inches GEITOR RIC Products Inc SOFT-N-SAFE ENGINE MOUNTS Soft Mount using special serrated lao-Damp Grommets Engine always safely retained Very effective vibration reduction dramatic decrease engine shake Light machined aluminum beam mounts 60 2-strokes 1204-strokes available Also available aluminum radial mount 60 2-strokes Soft-N-Safe 120 beam mount complete . $3495 Soft-N-Safe 60 beam mount complete 95 SoftN-Safe 60 radial mount complete 5 Soft-N-Safe Replacement Iso-Damp Grommets Pkg 4 60$295 Pkg 4 120$595 RADIAL ISO-MOUNTS Conventional backplate type mount using four Lord-Type 60-Duro isoMounts Optimized lowest vibration transmission airframe reduced engine shake Radial Iso-mount complete $1495 Iso-Mounts Package 4 $995 5/8 diameter x 1/2 long 8-32 female end 8-32 x 1/2 male other end 60-Duro rubber Provides solid support br accurate building Rugged 7-ply aircraft plywood construction Two sizes available Regular fuse up 6-1/4 wide Jumbo fuse up 9-1/4 wide Use building board base mount Uni-St rut Guide Rails versatile set-up Contains hardware & instructions including Uni-Strut information Box 4 Standard Jig Stations $2195 Box 4 Jumbo Jig Stations 2395 2 Five Ft Guide Rails & Mounting Nuts . $2295 GLASS CLOTH 7 oz/Sq Yard est Filling est Weave Lightest Finished Weight Includes Detailed Instructions Big 3 Square Yard Pkg $895 G6TO1I R/C Products Inc 3713 Pompano Drive Pensacola FL 32514 904/494-0203 904/494-0207 VISA/MasterCard Welcomed $4 00 per item SH esidents add 6% Tax 110 Model Aviation en/Weaver Continued page 106 waxed paper Use one-inch-long 16-gauge brads along longerons hold place over plans front half longerons 1/5 x 3/ts longeron doublers nose should soaked hot water allowed dry brad jig before uprights added will eliminate tendency longerons force sides out shape removed building board dont try build fuselage side atop other using large wood sizes instead make first side make two upright After removing glued first side replace brads original holes Add two longerons doublers glue already made uprights longerons have same crosssection should uprights will fit snugly assuring second side identical first protractor-guided hand sanding block device can big help make uprights diagonals have neat snug fit longerons pieces can cut slightly long few swipes sanding block will make fit perfectly lower opening FU-2 motor battery cooling air will exit through louvered servo door covered window screen keep out anything might blow fuselage landing taking off upper opening directs cooling air speed-control cooling fins Note lower longerons cut away clear hardwood landing-gear attachment blocks used bamboo tail skid bit bamboo seems appropriate antique formed over 3/4-inch-diameter dowel using heat gun certain point bamboo gets hot will soften like plastic held until cools shape becomes permanent Bend shiny side outward small door just front stabilizer allows rudder control rod taken out fuselage cut free two sides after covering allows covering act hinge long side servo access door also uses covering hinge thrustline shown scale centerline original Brown Jr engine raised gear box offset might appear Wing wing structure different original except scale rib spacing Bob Kopski s taperedstrength spar system used strength lightness see About Electrics Part 8 April 1984 Model Aviation Two t/s-square turbulator spars used instead sheet-covered leading edge laminated tips soaked hot water pulled around form least inch thick Use few inches excess length thumbtack ends dry paint white glue attach form again used scrap 3/ fir plywood bandsawed contour forms traced sheet parts inexpensive tracing paper stick balsa sheet templates rubber cement After sheet part cut template made paper tracing can peeled off leftover rubber cement will rub off part template thin plywood preferably aluminum template made rib W-2 full set identical ribs can cut spar notches can enlarged become ribs A-3 A-4 suit assembly Drive brad through template near leading trailing edges backing up wood will leave toothed perforation will keep template slipping W-5 plywood rib reinforcement ties wire mount attachment CI-IPNTMAS SAl 11 WINGSPAN 136 POWER 1-25 OlD 4550 LUS Balsa snd ply construction Fiberglass cowls scoops jriberglass fuselage wing center section gear doors 90 2 cid 27 lbs orsners firewalls retract rails etc installed Fiberglass Scale 95 Sport scale 105 stretched wing Istabilizer cowlings complete hardware includes KIT REG $495 SALE $425 till 12/31 Itailgear tire fuel tanks bar stock spinner domes lug-in wing hdwe Robart retract package avail direct E PRICE.KIT AND RETRACT P10 COMBO $1795 ICHRISTMAS SALE! leading trailing edges spars thus whole wing spars turbulator strips cracked allowed naturally bend down up tips Dampen top spars last W-2 rib assist Make wire wing mount parts accurately possible 1/32 X bracing tacksoldered front rear struts Bind joints fine wire used lamp-cord strands will little floppy first pieces added will assume its finished shape Some wrappings will have rewound accommodate added parts mount holding together wire wrappings set piece wood simulate fuselage Pin tape front rear struts wood hold bottom alignment wing-rubber attach hooks shaped allow wing cam itself off release rubber bands tip hits crash Slide hooks up snugly three-inch-wide piece will align wing fuselage dont want slop everything looks square start soldering Use 4% silver 96% tin highstrength silver soldermade Kester Stay-Briteboth landing-gear joints After soldering attach three-inch-wide piece fine emery cloth wood piece Rub mount forward back until wrapping wire solder bumps smoothed off four small smooth flats will sit rocking fuselage wear plates mount can now attached wing leading trailing edges should fit perfectly giving wing incidence 4O necessary bend top ends struts parallel wing parts Check wing 9O fuselage before final gluing 1/16 sheet added around wire exits wing gluing area aid covering also purpose 1/8 caps wing center line covered wing including wing mount weighs 7 ounces Tail surfaces stabilizer fin use same construction methods wing elevator rudder very light contest-grade balsa sheet eliminate warps simplified construction diagonals added fin covering bowed hinge line Robart Mini Hinge Points light easy install allow surfaces move easily friction Dont glue until after covering hidden elevator horn little complicated hard make appears paper Motor RC Unit removable nose radio-battery spar unit should accommodate geared 05 motors radio receivers Adjust elevator travel /s inch rudder travel 1 es measured trailing edge motor battery held spar wrapping 3A6 rubber-model motor strip used 16-gauge SR highflex wire Sermos connectors wire motor battery exact location battery determined model balanced Fit wiring neatly place hold spar wrappings 1/2-inch-wide Scotch Magic tape plans show following radio battery equipment Tower 500 standard-size receiver two Tower TSS-10 microservos Tower TSS-20 miniservo operate motor toggle switch SR Series 150 175 mAh receiver battery SR EP Max Pack Series 1200 six-cell motor battery resulted flying weight 44 ounces After plans completed installed Futaba Attack 4NBL-E radio THE LEADER IN COM PETITION NEW 4 NEW HIGH TECH AIRFOIL SECTION 10T020% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 534 634 72833456 8334568 84566147 94566A77/ 104566147 106W8W 106EW 1146774778 115W 116EW 1167 124W 125W 1256 1356 1456 1556 164N 16678 RC PYLON RACING SERIES 500 DIA PITCH 75N 5N 8I6778 SERIES 400C 866777 9777 W WIDE BLADE EW EXTRA WIDE N NARROW December1993 111 OS6NFD PROPELLERS A CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DE VELO P ED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIAPITCH THP 1266778 136778 146778 1567 16678 PRO SERIES 3 LI 11 Money Back Guaranteed 115S5251 * mcrsrt VA\NI0TR suoras VMNE AMAILABIL tor 2-Cycle 40 & up & 4-Cycle 50 & up Smoker Preheaters Are Twice As Effective As Head Coils MAKES CALL 1-912-367-0567 GREA TVisa Mastercard & HOLIDA Y American Exyress GIFTAccepte CENTURY JET MODELS INC 5 Martha Ct Sumter SC 29150 803 775-6491 RETRACT SELECTOR SPEED CONTROL VALVE 8305 Regency Woods Way Louisville KY 40220 502 491-4114 Four Infinite Adjustment Screws 2 Up 2 Down Compatible air system Dim 3/8 s 1 s 1-1/4 $2495 Wt 15 oc Semi & Deluxe Ducted Fan Jet Kits Eposy fiberglass fuselage canopy foam wings plans/ instructions Intake/Eshaust System esc F-i 00 F-100 Hun basic kit $18999 1/8 Scale 50 Removable Wings Length 63 Sport Hawk MK II basic kit $18988 Easy build Removable wing Length 59 F-lOS Thunderchiet basic kit $23900 Length 73 77-91 Engine No Cheater Hole F-4 Phantom basic kit $59900 HEW f/7 Scale Twin Engine Aileron/Spoiler Config Length 90 Removable 61 Wings LE/TE flaps Deluxe kit DC wood I/B pylons CP kit plus morel Landing gear tires brakes available [AMP] AMERICAN MODEL PRODUCTS Inc RT 3 BOX 37 BAXLEY GA 31513 Fax9123673577 COMPARE OUR RETRACTS TO THEIRS Stainless Struts cut FREElComplete Air System Stainless Torque LinksAsle Installed Different strut configurationsParts Service * 1 Year Limited Warranty 30 Day Refundt GIANT MAIN RETRACTS STANDARD OR 900 ROTATE 30-50 lb aircraft 2 sets 1 Standard 900 minutes 700 1100 retract angle Over-center lock down Hose gear available $27500 pair WI 15 lbs 1/5 SCALE MAIN RlMAuI STANDARD OR 900 ROTATE Fits PICA Skys P-Si 1/5 Yellow A/C Ziroli Bud Nosen plus Choice 01 91 Plyon Winners Handles 20-25 lb aircraft 84097 retract angle Positive lock up lock down Optional wire struts Nose gear available $19900 pair Wt 22 oz NEW 1/5 SCALE P-51 & SPITFIRE products proudly MADE IN THE USAI THE GREATEST RIC VIDEOSEVERPRODUCED Most Comprehensive Coverage Major DnciedFan Scale Events Join TELSTAR VIDEO take Back Best prestigious event scale aviation 5 full days 3 broadcast cameras captured alt 2 volume set runs tncredible 2 hours 45 mInutes Only $29 99 action excitement Dont miss out comprehensive coverage svailable TELSYAR VIDEO PRODUCTIONS INC fliIEiE 01 SE Decker Ave Suite 109 Stuart FL 34994 800 972 4847 Fax 407 220 4849 ALSO AVASLABLEORDERING tNFORMATION Visa MasterCard checks mosey orders accepted TOP GUN 92FLYING WITH THt ItST $189910% Disceunt ordering two 4TH ANNUAL JtTS OVER StLANO$2495the shove programs Shipping US Canada GIANTS OFTHt SKY-VOLUMt 1$2495and Mexico $250 first tape $150 ea addi tional tape Europe $650 order 10TH ANNIV GREATER SW FAN FLY$2495Europe call 407 286-2535 Add $5 per tape TOP GUN UK$2495for PAL/SECAM orders Florida residents please add 6% sales tax system has combination receiver-speed control two miniservos Since receiver operates motor battery eliminates receiver battery speed control eliminates motor-shutoff toggle switch its servoThis installation saved three ounces models flying performance enhanced also eliminated concem small receiver battery used because light would exhausted after several long flights receiver-speed control combo mounted cooling air speed control shown fuselage side view Two Futaba aileron extensions can used connect receiver servos Covering antique effect model covered red heavyweight silk three coats clear nitrate dope requires two square yards covering material have using Coverite Balsarite attach silk tissue since got some use Micafilm Balsarite hotmelt quick-drying liquid brushed framework covering adhered Its advantage over use dope glue attaching using model sealing iron covering can tacked place spots around edges tacks can softened iron covering restuck pull out slack wrinkles silk smooth can permanently ironed down around edges wing covering slit fit around wing mount wires silk sprayed water shrink tight doped Dope will loosen Balsarite best substitute silk Micaflim very tough almost light silk has translucent appearance much same doped silk tissue BACKYARD MICRO FLYERS PROFILE/SCALE BUILD TO FLY OR DISPLAY W35IIU Albatros Dt Fokker DVII tnk Triplane SR 5A snpwlth comet SPAD 8alsa Print Wood 6-8 Wing Spans Price 52w $250 en Money OrdeeOly Nucolyrt NSa enido5s add oter tar P4P Witdmt t6F HeSeat FW-t95A Haw Hunicane Heinket HetlI trackers IU-8f S MS-SD ME 262 Mit Zeae P470 Thandenbati P-555 Martang Spidlee Fantasy Flyers LOans 430 Pantsingvitle NY 11738 112 Model Aviation lable colors Use ____________________________________________________________[v32][b2235120191200]] same covering technique Balsarite given above silk wing perfecfly flat usual _____ 1930s lack washout has given no tip stall troubles Final Assembly 1A2 plywood wing mount wear pads stabilizer trailing edge reinforcements attached after covering attaching lower stabilizer reinforcements line up rudder-stabilizer assembly airplane centerline place snugly against fuselage act aligmnent keys attaching removing tail assembly Adjust battery spar make model balance point shown install motor-radio unit servo access door taped open fuselage held vertically radio antenna dropped until its end reaches door fuselage tilted ____________________________________________________________[v32][b21361183191500]] antenna end comes out ____________________________________________________________[v32][b21361212191200]] door Continue lower unit --engage spar end FU-4 support Engage nose firewall two /8 locating dowels slip nose place Install two 4-40 screws antenna can stuffed its tube two control rod links attached servos door closed use six-inch piece 047 music wire 3/s-inch 900 bend end tool open links supporting servos fingers support under links closing use six-inch length 1/4 brass tubing 3/ length flattened bent 90g wing held three #33 rubberbands wing struts front rear stabilizer three #32 Continued page 126 BJ FLOATS FULLY FORMED STYROFOAM FLOATS READY FOR FINISHING ____ MOUNTING BLOCKS AND INSTRUCTIONS INCLUDED - vO MODEL MAGIC PRODUCTS INC PO BOX 19784 ST PAUL MN 55119 612/653-9548 December1993 113 -SAFETY EUUIPMEJVT FOR TODAYS FLYER UNCONDITIDIIAL MLINEe BACK EDARA P1 TEE TRY Il IF YDIJ DOlIT LIKE IT WELL BUY IT BACK! ir Lduncher 5Ui & Pit Cr2wT DESIEAIED WITH ENOLJEH STRENETH TO151 LW CIPINION ITS PRODUCT WHOSE TIME HAS COME SAFELy HOLD MOST SPORT THRIJ I5IANTTHAT SHOULD BE CONSIDERED BYEVERYAMA SCALE PLANESED FIELD GARY SHA W -SAFETY COLUMN MODEL AVIATION AUGUST 1993 ELIMINATE RUN-A-WAY PLANES HOL DINE SLIPPERY FIJSELAI5ES PREMATURE RELEASINIi AND COMMUNICATION PROBLEMS ARM5 ARE FREE-FL DA TINE AND AUTOMATICALLY LOCK IN LJPRII5HT POSITION FOOT PEDAL IS IJSFIJ FOR E-Z ONE STEP RELEASE 0 Wo*Jqg Togetha 6...AI VIA z Industry Associate lIlIES FULLY ASSEMBLED THREE VERSIONS AVAILABLEINCLUDES FOUR ID INCH HOLD BIE BIRD7 7DOWN STAKES FOAM CUSHIONINE SPORT PLANEEALL TIJUA yFOR PROTECTION OF THE LEADINE EDEE AND SAFETY PEDAL STOP CDNTRDL LINEDEALER INDUIRES WELCOME Designed Change Wag People Fly 58DB LANCELOT CT SW OLYMPIA WA RB5I WE ACCEPT auncher Lu BOB 7BE-B4EI OR FAX BOB RSE-3419MASTER CARD AND VISA 2 order call Eric Sanders 513-299-7684 5 pm-b pm EST Monday-Friday day Sat Sun CAD airfoil editor-move coordinatea wlmouse create new points round Out leadiry undo mode 64x zoom pan mode coordinate ID mode shows current cursor position etc S Easy use mindowing interlace Pop up test editnr document airfoil changes-saved mith coordinates ulates elliptical planform rib lengths Chord queue allows templates several chord lengths printed oat unattended edit coordinates Pop-up calculator conversions s foam outline screen optimize template height Customizable screen colors are airfoils screen printer using overlay mode ts mirror image Calculates panel volume & surface area aide weight ostimationse Supports dot matrix laser iet printers Calculates prolected panel area airfoil cross sectional area perimeter length tion negative washout Modily airfoils changing camber thickneasmirroring combining tops bottoms different airfoils Interpolates between different root tip airtoils position within wing panel uts DXF file Both scaled unscaled hi-rca screen preview modes her\Cut minI calculator much much more. Remember wine accurate temolates CompuFoil Profeseional-$65 Airfoil Library w1135 airfoils-SlO S&H add $3 Also available-CompuFoil Standard-$25 CompuFoil Plus-$45 Demo Disk-$5 refundable order wIpe compatabillly product ordering information 3904 Traine Dr Kettering OH. 45429 279/Ill IFXOOIO8/bSc/8ls/ 03 k 1 IZES AVAILABLERETAIL 282399 322599 362999 403199 483699 564999 PLOATS WITH BALSA PaR SHEETING 283499 324199 364699 405299 485899 Custom Cradles Feature Custom molded gray tubing--no ugly fittings Special neoprene foam--impervious fuel oil Folds easy storage Custom design built last Ready use--no building Easily adjusted G9C44 eWSIm ~O4faC4 3177 East Fofl Loweil Road #1 Tucson Arizona 85716 Call today order 1 -800-CRADLE-a 272-3530 - AI -4rflO Taft Boy Custom Cradtaa Tail Boy Large25 tall 28 long 5 B wide fuselage-$4090 Tall Boy Standard32 tall 22 long 3o 5 wide fuselage---$3890 .Tail Boy X-Large--26 tall 28 long 8to 12 wide fuselage--$4290 F --AL l3et l\I5vq EVEEa TIVao&RLtIL -I mm ZZx Boy Custom Cradles Lo Boy Standardi 0 tall 22 long 3 5 wide tuselage- $2490 Boy Large14 tail 28 long 5to 8 wide fuselage $2890 Lo Boy X-Large--16 tall 28 long 8to 12 wide fuselage- $3190 VINTAGE P/C PLANS CPRRVIOUSLY SID MORGAN NEW OWNER-FRED NOVACI 5105 PINE HILL CIRCLE HOWELL MICH4 8843 __ L - CUIG77SS-WRIGtIT T-32 CONOOR IENGS 40-60 PLAN NO 08 RC B I&95 PLUS $395 USue $75 FORuC MANY MORE 1993 CAIALOGE $200 US 300 P0 W1 ON COWERS PIPER PRY-GA WACO SICNSON FAIRCHILD FIESELER Fl 156 C3 STO NCR MGA PILOTS FLY THE WORLD OVER m 98 enterprises po box 5631 tresn CO 93755 tel 209 224-4170tax 209 224-7289 Scale plans adding panel lines rivets also uses method check size placement markings Hal Winters baffled us slide-show questionnaire included model personalities aircraft model aircraft aviation personalities other trivia whole affair blast hope see type BowdenlVleaver Continued page 113 rubber bands side FLYING model clean sailplane drag landing gear wing struts large frontal area necessitate additional power achieve reasonable climb Use hotter 05 motors LeMans 360PT motor draws 23 24 amps about 140 watts during useful run about 31/2 minutes allows two climbs well above usual sailplane winch-launch height still air will average eight-to-nine-minute flights has good glide will soar well lift characteristics highwing parasol model tendency slow responding rudder control both going out turn During test flights found model needed rudder area reason rudder hinge line moved forward inch giving rudder area model now easily kept under control very stable longitudinally present after five summers flying am using wing incidence balance point shown plans social function again Nats Its time start building next years entries understand bounty Steve Ashby next years Nats anyone out can beat him Sport Scale will national champion fifth year row challenge has made See Texas ls strength tested during first trial flights radio motor speed control tested perfectly during ground checks air constant glitching control being erratic motor cutting off made several lucky flights safe landings nothing did radio motor speed control helped Finally tb model made full-rudder spiral di ground hitting nose wing tip wing flew off designed damage wingtip bent landing gear prop shaft few small dents nose cowl hit hard enough cause motor battery move forward 3/ inch though tightly rubberbanded motor spar could moved hand gave up speed control tried servo-operated on-off motor switch radio problems disappeared speed control necessary climb-andglide flight anyway condemn speed controls general know work perfectly probably something peculiar radio motor setup should have worked out During subsequent flying 126 Model Aviation WAFFE USAAFSTATE-OF-THE-ART PILOTS WWI AVIATOR 52495us WWII USAAF 52995 114 W W II N V Y 2495 WWII LUFTWAFFE 2995 CIVISPORT 2495 I/S JET TOP GUN 29951/9 WWII JAPANESE 1995 AVAILABLE AT YOUR LOCAL HOBBY DEALER OR DIRECT P&H $350 PER PILOT F RES ADD SALES TAX SEND SASE FOR COLOR BROCHURE 5 I Join Giants Help Promote iLJEfNon-CompetitiveI EUIJ _______ InIrpIonaI MoaIu.J*nca11 AccaIon IMAA membership includes quarterly magazine High Flight IMEMBERSHIP APPLICATiON IJ NEW RENEWAL Date19I Yearly Dues $1500 USA $2000 US Canada & Mexico $3000 US Elsewhere I Make CHECK MONEY ORDER Payable INTERNATIONAL MINIAlURE AIRCRAFT ASSOCIATION INC I Name ______________________________________ Ph _________________________ I Street ______________________________________ P0 Box/Route Box ________________ I ________________________State/Province _________________Zip _________________ 1City IMAA __________AMA Number ___________MAAC __________Chapter __________ L TO IMAA Secrotary DONE VINEYARD e 205 HilIdole Road na KS 67401 mmI occasion put model long vertical dive wires whistling get out strong thermal about make disappear overhead no fluttering wing survived dive pullout okay Fine trimming get maximum climb glide can go forever its part challenge wing incidence can increased shimming under front struts wing can also moved fore aft Adjust until get best glide angle elevator trim neutral model may require slight up down elevator trim get best climb Since no down right thrust used original find need about right trim rudders trailing edge control torque under full power CL SpeedlLee Continued paqe 73 feeling low Grandpa used instant glue fiberglass model back flying condition Mike put up three official flights fastest being 13378 score won first place Junior barely ahead Peter Brown 13318 Three Seniors tried fly David Van Allen Chandler Arizona get official time Dave came Nats Slugger Brown other Staten Island Speed Team members helping him Open fliers airplanes powered variety engines Aloise Team using two ACE engines Carlos built last year Some changes necessary use model SAM competition Make rudder elevator open-frame construction like fin stabilizer sheet wood shown Remove turbulator spars sheet wing 1 es behind leading edge Sheet wingtips rib W-l outward sheet center section three inches out centerline encourage power fliers try soaring like lot sports look boring spectator exciting participant Electric power quiet clean way get soarer either antique sailplaneup thermal-finding height perfect way go us old free flight thermal chasers losing wide open spaces young legs us Rossis 0S Nelson engine Aloise Team Tommy Brown Frank Garzon first second third until Connie Aloise showed up arrived late after flying Evansville Indiana Carlos picked up Carlos processed airplane morning Connie started engine required rules Slugger flew her first flight new 21 Sport Speed record 15244 backup flight same speed clinched record well first place Connie uses two ACE engines seems develop massive amounts power lower rpm During flight engine much quieter others believe using larger prop rest us December 1993 127 ALES INC Fiberglass Headquarters * BUY DIRECT * Super Bond 5 mini Epoxy Epoxy Laminating Resins Cyanoacrylate Adhesives es ective Hand Creams Masks Aprons- Polyester Resin al Sprayer Laminahng Brushes ers Acetate- Fiberglass Fillers Tongue Depressors Wood Mixing Paddles sive DiscsSandpaper Foam Brashes- Fine-Weave Medium Hesoy Weight Cloth ar on Fibers TECHNICAL INFORMATION kexier tepee cerbon fiber tapo & CAUTOLL FREE xerbon fiber trend avoilable tI WI OIl IL Nt 1-800-589-4444 18621 E Nine Mile Road Esstpointe Michigan 48C21 313 777-2032Fax 313 777-0350 R/C BEGINNERS hobby loses about bait Its potential fliers because fail successfully solo IT ISNT THEIR FAULT ITS THE PLANES FAULT just some rn advertised trainers impossible tor average beginner solo seems norm crash ruin 4 5 planes before becctming successful both stupid costly mention real turn-oft new student quite unnecessary YOU COULD SOLO YOUR FIRST TIME UP Thanks extensive trainer flighttesting ever conducted hobby can now know advance ones fly slow hands off stable easy enough Grandma lust so-so intermediate Which ones deserve trainer label Send $350 plus 520 postage EASE-OF-FLYING RATINGS OF R/C TRAINERS Over 40 currently available train ers evaluated including ARFs Also grades easeof-building explains trainer aerodynamics dares address questions poor trainers good trainers marketed does no warn about Guarantee Yosr money back yos say eye-opening candid enlight ening time-saving money-saving frustration sparing R/C publication have ever read Send chock money ardor Jim Waterman 3818 Deerfield Dr San Antonio TX 78218
Edition: Model Aviation - 1993/12
Page Numbers: 104, 105, 106, 110, 111, 112, 113, 126, 127
NO OCR TEXT 1937 Wakefield International contest free flight rubber- powered models held England Sunday August 1 1937 event won Emanuel Fillon France However American Wakefield team Alvie Dague Dick Bodle Herb Fish Frank Zaic Henry Struck did come home emptyhanded Bowden International Trophy contest gas-powered models won next day Herb Fish flying model designed built Carroll Krupp Akron Ohio Bowden event timed duration type based complex set rules involving appearance model timed flight 45-90 seconds controllability stability plane ability take off land undamaged end scheduled flying four fliers including Herb Fish tied first place flew another round two fell shortleaving Herb Fish Englishman next round English plane landed little hard bent its landing gear American plane won Plans Krupps winning model included Frank Zaics 1938 Yearbook plan reproduced along comments about design Dr D B Mathews Old-Timers column June 1986 Model Aviation article revived interest design successful contest gas models 1 930s parasol high-wing mount no fuselage cabin such Joe Kovel Charlie Grants famous KGs Maxwell Bassetts Miss Philadelphia VI Chet Lanzos Record Breaker Krupps design prettiest type its graceful lines also has sailplane-like proportions felt its long wing would make good RC soarer Since Kyosho Electric Airplane Prop Drive Unit 360 PT LeMans motor gear drive special 9 x 8 prop available decided build Krupps airplane Electric antique climbing gliding hopefully soaring sport flying result model has become favorite fun flier have become hooked Electric flight because challenge achieving enjoyable-length flight limited power available Ni-Cd batteries same challenge faced builders rubber compressed air C02 other stored-energy models Electrics its back old rubber-powered design basics get best out limited energy available larger ratio stored energy source motor Ni-Cds rubber etc total airplane weight longer higher model will fly goal have structure light possible yet strong December 1993 105 Six-foot-span model three-fourths size original Parasol-mounted wings popular gas-powered models Bowden winner rib frame spacings scale 1930sthey supposed stable Front view uncovered structure shows removable motor-radio unit fits fuselage Frame-and-covering structures very strong weight Light weight important Electric models Removable tail surface Note original smaller rudder area Hinge line later moved forward enough support power devices weight frame-and-covering construction used old gas rubber models light strong hence antique gas models make good subjects climb-and-glide Electrics calculations showed 3/4-size model would about right 05 motor Krupps basic airframe structure followed using scale rib fuselage frame spacing Modifications included adding RC control surfaces structural efficiency needed Electric powers extra weight Radio motor battery access problem frame- and-covering fuselage lacks flush-mounted high low wing give access opening wing removed decided make nose section detachable strong spar running back through fuselage radio system heavy motor battery attached has worked well disconnecting control rods servos through small hatch removing two screws firewall complete motor radio unit can removed servicing disadvantage motor battery cannot changed quickly using precharged battery packs continuous flying problem usually fly other models battery airplane being recharged complete six-foot-span airplane landing gear weighs 15 ounces motorradio unit removed CONSTRUCTION step-by-step construction sequence beyond scope article Given drawing experienced builders will build model utilizing own methods General Builders rubber-powered contest models excel building strong light structures try use some tricks Use light contest grade 4-6 lb/cu ft balsa sheet wood parts hard balsa longerons wing spars medium-to-light wood rest structure Before starting construction sort balsa three four piles weight using heaviest normally hardest strongest wood fuselage nose near center wing tail surfaces lightest toward rear tips White glue used practically wood joints am allergic cyanoacrylate CyA glue would have faster probably lighter recently tried Hot Stuff UFO glue no problems would use building model now Build complete model before covering will much easier make fit removable unit control rods Fuselage I use perfectly fiat building board covered Homosote house wallboard soft takes pins nails well Cover plan plastic wrap Continued page 110 Motor size type Geared 05 Electric Number channels Three Flying weight 41 ounces Construction Built-up Covering/finish Silk/Nitrate dope 106 Model Aviation vable motor-radio unit easily removed servicing Radio equipment attached strong spar Front view fuselage motor-radio assembly removed Assembly held place two screws two dowels Bottom view servo access door open Pushrod clips easily disconnected rudder elevator servos Type RC sport Wingspan 72 inches GEITOR RIC Products Inc SOFT-N-SAFE ENGINE MOUNTS Soft Mount using special serrated lao-Damp Grommets Engine always safely retained Very effective vibration reduction dramatic decrease engine shake Light machined aluminum beam mounts 60 2-strokes 1204-strokes available Also available aluminum radial mount 60 2-strokes Soft-N-Safe 120 beam mount complete . $3495 Soft-N-Safe 60 beam mount complete 95 SoftN-Safe 60 radial mount complete 5 Soft-N-Safe Replacement Iso-Damp Grommets Pkg 4 60$295 Pkg 4 120$595 RADIAL ISO-MOUNTS Conventional backplate type mount using four Lord-Type 60-Duro isoMounts Optimized lowest vibration transmission airframe reduced engine shake Radial Iso-mount complete $1495 Iso-Mounts Package 4 $995 5/8 diameter x 1/2 long 8-32 female end 8-32 x 1/2 male other end 60-Duro rubber Provides solid support br accurate building Rugged 7-ply aircraft plywood construction Two sizes available Regular fuse up 6-1/4 wide Jumbo fuse up 9-1/4 wide Use building board base mount Uni-St rut Guide Rails versatile set-up Contains hardware & instructions including Uni-Strut information Box 4 Standard Jig Stations $2195 Box 4 Jumbo Jig Stations 2395 2 Five Ft Guide Rails & Mounting Nuts . $2295 GLASS CLOTH 7 oz/Sq Yard est Filling est Weave Lightest Finished Weight Includes Detailed Instructions Big 3 Square Yard Pkg $895 G6TO1I R/C Products Inc 3713 Pompano Drive Pensacola FL 32514 904/494-0203 904/494-0207 VISA/MasterCard Welcomed $4 00 per item SH esidents add 6% Tax 110 Model Aviation en/Weaver Continued page 106 waxed paper Use one-inch-long 16-gauge brads along longerons hold place over plans front half longerons 1/5 x 3/ts longeron doublers nose should soaked hot water allowed dry brad jig before uprights added will eliminate tendency longerons force sides out shape removed building board dont try build fuselage side atop other using large wood sizes instead make first side make two upright After removing glued first side replace brads original holes Add two longerons doublers glue already made uprights longerons have same crosssection should uprights will fit snugly assuring second side identical first protractor-guided hand sanding block device can big help make uprights diagonals have neat snug fit longerons pieces can cut slightly long few swipes sanding block will make fit perfectly lower opening FU-2 motor battery cooling air will exit through louvered servo door covered window screen keep out anything might blow fuselage landing taking off upper opening directs cooling air speed-control cooling fins Note lower longerons cut away clear hardwood landing-gear attachment blocks used bamboo tail skid bit bamboo seems appropriate antique formed over 3/4-inch-diameter dowel using heat gun certain point bamboo gets hot will soften like plastic held until cools shape becomes permanent Bend shiny side outward small door just front stabilizer allows rudder control rod taken out fuselage cut free two sides after covering allows covering act hinge long side servo access door also uses covering hinge thrustline shown scale centerline original Brown Jr engine raised gear box offset might appear Wing wing structure different original except scale rib spacing Bob Kopski s taperedstrength spar system used strength lightness see About Electrics Part 8 April 1984 Model Aviation Two t/s-square turbulator spars used instead sheet-covered leading edge laminated tips soaked hot water pulled around form least inch thick Use few inches excess length thumbtack ends dry paint white glue attach form again used scrap 3/ fir plywood bandsawed contour forms traced sheet parts inexpensive tracing paper stick balsa sheet templates rubber cement After sheet part cut template made paper tracing can peeled off leftover rubber cement will rub off part template thin plywood preferably aluminum template made rib W-2 full set identical ribs can cut spar notches can enlarged become ribs A-3 A-4 suit assembly Drive brad through template near leading trailing edges backing up wood will leave toothed perforation will keep template slipping W-5 plywood rib reinforcement ties wire mount attachment CI-IPNTMAS SAl 11 WINGSPAN 136 POWER 1-25 OlD 4550 LUS Balsa snd ply construction Fiberglass cowls scoops jriberglass fuselage wing center section gear doors 90 2 cid 27 lbs orsners firewalls retract rails etc installed Fiberglass Scale 95 Sport scale 105 stretched wing Istabilizer cowlings complete hardware includes KIT REG $495 SALE $425 till 12/31 Itailgear tire fuel tanks bar stock spinner domes lug-in wing hdwe Robart retract package avail direct E PRICE.KIT AND RETRACT P10 COMBO $1795 ICHRISTMAS SALE! leading trailing edges spars thus whole wing spars turbulator strips cracked allowed naturally bend down up tips Dampen top spars last W-2 rib assist Make wire wing mount parts accurately possible 1/32 X bracing tacksoldered front rear struts Bind joints fine wire used lamp-cord strands will little floppy first pieces added will assume its finished shape Some wrappings will have rewound accommodate added parts mount holding together wire wrappings set piece wood simulate fuselage Pin tape front rear struts wood hold bottom alignment wing-rubber attach hooks shaped allow wing cam itself off release rubber bands tip hits crash Slide hooks up snugly three-inch-wide piece will align wing fuselage dont want slop everything looks square start soldering Use 4% silver 96% tin highstrength silver soldermade Kester Stay-Briteboth landing-gear joints After soldering attach three-inch-wide piece fine emery cloth wood piece Rub mount forward back until wrapping wire solder bumps smoothed off four small smooth flats will sit rocking fuselage wear plates mount can now attached wing leading trailing edges should fit perfectly giving wing incidence 4O necessary bend top ends struts parallel wing parts Check wing 9O fuselage before final gluing 1/16 sheet added around wire exits wing gluing area aid covering also purpose 1/8 caps wing center line covered wing including wing mount weighs 7 ounces Tail surfaces stabilizer fin use same construction methods wing elevator rudder very light contest-grade balsa sheet eliminate warps simplified construction diagonals added fin covering bowed hinge line Robart Mini Hinge Points light easy install allow surfaces move easily friction Dont glue until after covering hidden elevator horn little complicated hard make appears paper Motor RC Unit removable nose radio-battery spar unit should accommodate geared 05 motors radio receivers Adjust elevator travel /s inch rudder travel 1 es measured trailing edge motor battery held spar wrapping 3A6 rubber-model motor strip used 16-gauge SR highflex wire Sermos connectors wire motor battery exact location battery determined model balanced Fit wiring neatly place hold spar wrappings 1/2-inch-wide Scotch Magic tape plans show following radio battery equipment Tower 500 standard-size receiver two Tower TSS-10 microservos Tower TSS-20 miniservo operate motor toggle switch SR Series 150 175 mAh receiver battery SR EP Max Pack Series 1200 six-cell motor battery resulted flying weight 44 ounces After plans completed installed Futaba Attack 4NBL-E radio THE LEADER IN COM PETITION NEW 4 NEW HIGH TECH AIRFOIL SECTION 10T020% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 534 634 72833456 8334568 84566147 94566A77/ 104566147 106W8W 106EW 1146774778 115W 116EW 1167 124W 125W 1256 1356 1456 1556 164N 16678 RC PYLON RACING SERIES 500 DIA PITCH 75N 5N 8I6778 SERIES 400C 866777 9777 W WIDE BLADE EW EXTRA WIDE N NARROW December1993 111 OS6NFD PROPELLERS A CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DE VELO P ED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIAPITCH THP 1266778 136778 146778 1567 16678 PRO SERIES 3 LI 11 Money Back Guaranteed 115S5251 * mcrsrt VA\NI0TR suoras VMNE AMAILABIL tor 2-Cycle 40 & up & 4-Cycle 50 & up Smoker Preheaters Are Twice As Effective As Head Coils MAKES CALL 1-912-367-0567 GREA TVisa Mastercard & HOLIDA Y American Exyress GIFTAccepte CENTURY JET MODELS INC 5 Martha Ct Sumter SC 29150 803 775-6491 RETRACT SELECTOR SPEED CONTROL VALVE 8305 Regency Woods Way Louisville KY 40220 502 491-4114 Four Infinite Adjustment Screws 2 Up 2 Down Compatible air system Dim 3/8 s 1 s 1-1/4 $2495 Wt 15 oc Semi & Deluxe Ducted Fan Jet Kits Eposy fiberglass fuselage canopy foam wings plans/ instructions Intake/Eshaust System esc F-i 00 F-100 Hun basic kit $18999 1/8 Scale 50 Removable Wings Length 63 Sport Hawk MK II basic kit $18988 Easy build Removable wing Length 59 F-lOS Thunderchiet basic kit $23900 Length 73 77-91 Engine No Cheater Hole F-4 Phantom basic kit $59900 HEW f/7 Scale Twin Engine Aileron/Spoiler Config Length 90 Removable 61 Wings LE/TE flaps Deluxe kit DC wood I/B pylons CP kit plus morel Landing gear tires brakes available [AMP] AMERICAN MODEL PRODUCTS Inc RT 3 BOX 37 BAXLEY GA 31513 Fax9123673577 COMPARE OUR RETRACTS TO THEIRS Stainless Struts cut FREElComplete Air System Stainless Torque LinksAsle Installed Different strut configurationsParts Service * 1 Year Limited Warranty 30 Day Refundt GIANT MAIN RETRACTS STANDARD OR 900 ROTATE 30-50 lb aircraft 2 sets 1 Standard 900 minutes 700 1100 retract angle Over-center lock down Hose gear available $27500 pair WI 15 lbs 1/5 SCALE MAIN RlMAuI STANDARD OR 900 ROTATE Fits PICA Skys P-Si 1/5 Yellow A/C Ziroli Bud Nosen plus Choice 01 91 Plyon Winners Handles 20-25 lb aircraft 84097 retract angle Positive lock up lock down Optional wire struts Nose gear available $19900 pair Wt 22 oz NEW 1/5 SCALE P-51 & SPITFIRE products proudly MADE IN THE USAI THE GREATEST RIC VIDEOSEVERPRODUCED Most Comprehensive Coverage Major DnciedFan Scale Events Join TELSTAR VIDEO take Back Best prestigious event scale aviation 5 full days 3 broadcast cameras captured alt 2 volume set runs tncredible 2 hours 45 mInutes Only $29 99 action excitement Dont miss out comprehensive coverage svailable TELSYAR VIDEO PRODUCTIONS INC fliIEiE 01 SE Decker Ave Suite 109 Stuart FL 34994 800 972 4847 Fax 407 220 4849 ALSO AVASLABLEORDERING tNFORMATION Visa MasterCard checks mosey orders accepted TOP GUN 92FLYING WITH THt ItST $189910% Disceunt ordering two 4TH ANNUAL JtTS OVER StLANO$2495the shove programs Shipping US Canada GIANTS OFTHt SKY-VOLUMt 1$2495and Mexico $250 first tape $150 ea addi tional tape Europe $650 order 10TH ANNIV GREATER SW FAN FLY$2495Europe call 407 286-2535 Add $5 per tape TOP GUN UK$2495for PAL/SECAM orders Florida residents please add 6% sales tax system has combination receiver-speed control two miniservos Since receiver operates motor battery eliminates receiver battery speed control eliminates motor-shutoff toggle switch its servoThis installation saved three ounces models flying performance enhanced also eliminated concem small receiver battery used because light would exhausted after several long flights receiver-speed control combo mounted cooling air speed control shown fuselage side view Two Futaba aileron extensions can used connect receiver servos Covering antique effect model covered red heavyweight silk three coats clear nitrate dope requires two square yards covering material have using Coverite Balsarite attach silk tissue since got some use Micafilm Balsarite hotmelt quick-drying liquid brushed framework covering adhered Its advantage over use dope glue attaching using model sealing iron covering can tacked place spots around edges tacks can softened iron covering restuck pull out slack wrinkles silk smooth can permanently ironed down around edges wing covering slit fit around wing mount wires silk sprayed water shrink tight doped Dope will loosen Balsarite best substitute silk Micaflim very tough almost light silk has translucent appearance much same doped silk tissue BACKYARD MICRO FLYERS PROFILE/SCALE BUILD TO FLY OR DISPLAY W35IIU Albatros Dt Fokker DVII tnk Triplane SR 5A snpwlth comet SPAD 8alsa Print Wood 6-8 Wing Spans Price 52w $250 en Money OrdeeOly Nucolyrt NSa enido5s add oter tar P4P Witdmt t6F HeSeat FW-t95A Haw Hunicane Heinket HetlI trackers IU-8f S MS-SD ME 262 Mit Zeae P470 Thandenbati P-555 Martang Spidlee Fantasy Flyers LOans 430 Pantsingvitle NY 11738 112 Model Aviation lable colors Use ____________________________________________________________[v32][b2235120191200]] same covering technique Balsarite given above silk wing perfecfly flat usual _____ 1930s lack washout has given no tip stall troubles Final Assembly 1A2 plywood wing mount wear pads stabilizer trailing edge reinforcements attached after covering attaching lower stabilizer reinforcements line up rudder-stabilizer assembly airplane centerline place snugly against fuselage act aligmnent keys attaching removing tail assembly Adjust battery spar make model balance point shown install motor-radio unit servo access door taped open fuselage held vertically radio antenna dropped until its end reaches door fuselage tilted ____________________________________________________________[v32][b21361183191500]] antenna end comes out ____________________________________________________________[v32][b21361212191200]] door Continue lower unit --engage spar end FU-4 support Engage nose firewall two /8 locating dowels slip nose place Install two 4-40 screws antenna can stuffed its tube two control rod links attached servos door closed use six-inch piece 047 music wire 3/s-inch 900 bend end tool open links supporting servos fingers support under links closing use six-inch length 1/4 brass tubing 3/ length flattened bent 90g wing held three #33 rubberbands wing struts front rear stabilizer three #32 Continued page 126 BJ FLOATS FULLY FORMED STYROFOAM FLOATS READY FOR FINISHING ____ MOUNTING BLOCKS AND INSTRUCTIONS INCLUDED - vO MODEL MAGIC PRODUCTS INC PO BOX 19784 ST PAUL MN 55119 612/653-9548 December1993 113 -SAFETY EUUIPMEJVT FOR TODAYS FLYER UNCONDITIDIIAL MLINEe BACK EDARA P1 TEE TRY Il IF YDIJ DOlIT LIKE IT WELL BUY IT BACK! ir Lduncher 5Ui & Pit Cr2wT DESIEAIED WITH ENOLJEH STRENETH TO151 LW CIPINION ITS PRODUCT WHOSE TIME HAS COME SAFELy HOLD MOST SPORT THRIJ I5IANTTHAT SHOULD BE CONSIDERED BYEVERYAMA SCALE PLANESED FIELD GARY SHA W -SAFETY COLUMN MODEL AVIATION AUGUST 1993 ELIMINATE RUN-A-WAY PLANES HOL DINE SLIPPERY FIJSELAI5ES PREMATURE RELEASINIi AND COMMUNICATION PROBLEMS ARM5 ARE FREE-FL DA TINE AND AUTOMATICALLY LOCK IN LJPRII5HT POSITION FOOT PEDAL IS IJSFIJ FOR E-Z ONE STEP RELEASE 0 Wo*Jqg Togetha 6...AI VIA z Industry Associate lIlIES FULLY ASSEMBLED THREE VERSIONS AVAILABLEINCLUDES FOUR ID INCH HOLD BIE BIRD7 7DOWN STAKES FOAM CUSHIONINE SPORT PLANEEALL TIJUA yFOR PROTECTION OF THE LEADINE EDEE AND SAFETY PEDAL STOP CDNTRDL LINEDEALER INDUIRES WELCOME Designed Change Wag People Fly 58DB LANCELOT CT SW OLYMPIA WA RB5I WE ACCEPT auncher Lu BOB 7BE-B4EI OR FAX BOB RSE-3419MASTER CARD AND VISA 2 order call Eric Sanders 513-299-7684 5 pm-b pm EST Monday-Friday day Sat Sun CAD airfoil editor-move coordinatea wlmouse create new points round Out leadiry undo mode 64x zoom pan mode coordinate ID mode shows current cursor position etc S Easy use mindowing interlace Pop up test editnr document airfoil changes-saved mith coordinates ulates elliptical planform rib lengths Chord queue allows templates several chord lengths printed oat unattended edit coordinates Pop-up calculator conversions s foam outline screen optimize template height Customizable screen colors are airfoils screen printer using overlay mode ts mirror image Calculates panel volume & surface area aide weight ostimationse Supports dot matrix laser iet printers Calculates prolected panel area airfoil cross sectional area perimeter length tion negative washout Modily airfoils changing camber thickneasmirroring combining tops bottoms different airfoils Interpolates between different root tip airtoils position within wing panel uts DXF file Both scaled unscaled hi-rca screen preview modes her\Cut minI calculator much much more. Remember wine accurate temolates CompuFoil Profeseional-$65 Airfoil Library w1135 airfoils-SlO S&H add $3 Also available-CompuFoil Standard-$25 CompuFoil Plus-$45 Demo Disk-$5 refundable order wIpe compatabillly product ordering information 3904 Traine Dr Kettering OH. 45429 279/Ill IFXOOIO8/bSc/8ls/ 03 k 1 IZES AVAILABLERETAIL 282399 322599 362999 403199 483699 564999 PLOATS WITH BALSA PaR SHEETING 283499 324199 364699 405299 485899 Custom Cradles Feature Custom molded gray tubing--no ugly fittings Special neoprene foam--impervious fuel oil Folds easy storage Custom design built last Ready use--no building Easily adjusted G9C44 eWSIm ~O4faC4 3177 East Fofl Loweil Road #1 Tucson Arizona 85716 Call today order 1 -800-CRADLE-a 272-3530 - AI -4rflO Taft Boy Custom Cradtaa Tail Boy Large25 tall 28 long 5 B wide fuselage-$4090 Tall Boy Standard32 tall 22 long 3o 5 wide fuselage---$3890 .Tail Boy X-Large--26 tall 28 long 8to 12 wide fuselage--$4290 F --AL l3et l\I5vq EVEEa TIVao&RLtIL -I mm ZZx Boy Custom Cradles Lo Boy Standardi 0 tall 22 long 3 5 wide tuselage- $2490 Boy Large14 tail 28 long 5to 8 wide fuselage $2890 Lo Boy X-Large--16 tall 28 long 8to 12 wide fuselage- $3190 VINTAGE P/C PLANS CPRRVIOUSLY SID MORGAN NEW OWNER-FRED NOVACI 5105 PINE HILL CIRCLE HOWELL MICH4 8843 __ L - CUIG77SS-WRIGtIT T-32 CONOOR IENGS 40-60 PLAN NO 08 RC B I&95 PLUS $395 USue $75 FORuC MANY MORE 1993 CAIALOGE $200 US 300 P0 W1 ON COWERS PIPER PRY-GA WACO SICNSON FAIRCHILD FIESELER Fl 156 C3 STO NCR MGA PILOTS FLY THE WORLD OVER m 98 enterprises po box 5631 tresn CO 93755 tel 209 224-4170tax 209 224-7289 Scale plans adding panel lines rivets also uses method check size placement markings Hal Winters baffled us slide-show questionnaire included model personalities aircraft model aircraft aviation personalities other trivia whole affair blast hope see type BowdenlVleaver Continued page 113 rubber bands side FLYING model clean sailplane drag landing gear wing struts large frontal area necessitate additional power achieve reasonable climb Use hotter 05 motors LeMans 360PT motor draws 23 24 amps about 140 watts during useful run about 31/2 minutes allows two climbs well above usual sailplane winch-launch height still air will average eight-to-nine-minute flights has good glide will soar well lift characteristics highwing parasol model tendency slow responding rudder control both going out turn During test flights found model needed rudder area reason rudder hinge line moved forward inch giving rudder area model now easily kept under control very stable longitudinally present after five summers flying am using wing incidence balance point shown plans social function again Nats Its time start building next years entries understand bounty Steve Ashby next years Nats anyone out can beat him Sport Scale will national champion fifth year row challenge has made See Texas ls strength tested during first trial flights radio motor speed control tested perfectly during ground checks air constant glitching control being erratic motor cutting off made several lucky flights safe landings nothing did radio motor speed control helped Finally tb model made full-rudder spiral di ground hitting nose wing tip wing flew off designed damage wingtip bent landing gear prop shaft few small dents nose cowl hit hard enough cause motor battery move forward 3/ inch though tightly rubberbanded motor spar could moved hand gave up speed control tried servo-operated on-off motor switch radio problems disappeared speed control necessary climb-andglide flight anyway condemn speed controls general know work perfectly probably something peculiar radio motor setup should have worked out During subsequent flying 126 Model Aviation WAFFE USAAFSTATE-OF-THE-ART PILOTS WWI AVIATOR 52495us WWII USAAF 52995 114 W W II N V Y 2495 WWII LUFTWAFFE 2995 CIVISPORT 2495 I/S JET TOP GUN 29951/9 WWII JAPANESE 1995 AVAILABLE AT YOUR LOCAL HOBBY DEALER OR DIRECT P&H $350 PER PILOT F RES ADD SALES TAX SEND SASE FOR COLOR BROCHURE 5 I Join Giants Help Promote iLJEfNon-CompetitiveI EUIJ _______ InIrpIonaI MoaIu.J*nca11 AccaIon IMAA membership includes quarterly magazine High Flight IMEMBERSHIP APPLICATiON IJ NEW RENEWAL Date19I Yearly Dues $1500 USA $2000 US Canada & Mexico $3000 US Elsewhere I Make CHECK MONEY ORDER Payable INTERNATIONAL MINIAlURE AIRCRAFT ASSOCIATION INC I Name ______________________________________ Ph _________________________ I Street ______________________________________ P0 Box/Route Box ________________ I ________________________State/Province _________________Zip _________________ 1City IMAA __________AMA Number ___________MAAC __________Chapter __________ L TO IMAA Secrotary DONE VINEYARD e 205 HilIdole Road na KS 67401 mmI occasion put model long vertical dive wires whistling get out strong thermal about make disappear overhead no fluttering wing survived dive pullout okay Fine trimming get maximum climb glide can go forever its part challenge wing incidence can increased shimming under front struts wing can also moved fore aft Adjust until get best glide angle elevator trim neutral model may require slight up down elevator trim get best climb Since no down right thrust used original find need about right trim rudders trailing edge control torque under full power CL SpeedlLee Continued paqe 73 feeling low Grandpa used instant glue fiberglass model back flying condition Mike put up three official flights fastest being 13378 score won first place Junior barely ahead Peter Brown 13318 Three Seniors tried fly David Van Allen Chandler Arizona get official time Dave came Nats Slugger Brown other Staten Island Speed Team members helping him Open fliers airplanes powered variety engines Aloise Team using two ACE engines Carlos built last year Some changes necessary use model SAM competition Make rudder elevator open-frame construction like fin stabilizer sheet wood shown Remove turbulator spars sheet wing 1 es behind leading edge Sheet wingtips rib W-l outward sheet center section three inches out centerline encourage power fliers try soaring like lot sports look boring spectator exciting participant Electric power quiet clean way get soarer either antique sailplaneup thermal-finding height perfect way go us old free flight thermal chasers losing wide open spaces young legs us Rossis 0S Nelson engine Aloise Team Tommy Brown Frank Garzon first second third until Connie Aloise showed up arrived late after flying Evansville Indiana Carlos picked up Carlos processed airplane morning Connie started engine required rules Slugger flew her first flight new 21 Sport Speed record 15244 backup flight same speed clinched record well first place Connie uses two ACE engines seems develop massive amounts power lower rpm During flight engine much quieter others believe using larger prop rest us December 1993 127 ALES INC Fiberglass Headquarters * BUY DIRECT * Super Bond 5 mini Epoxy Epoxy Laminating Resins Cyanoacrylate Adhesives es ective Hand Creams Masks Aprons- Polyester Resin al Sprayer Laminahng Brushes ers Acetate- Fiberglass Fillers Tongue Depressors Wood Mixing Paddles sive DiscsSandpaper Foam Brashes- Fine-Weave Medium Hesoy Weight Cloth ar on Fibers TECHNICAL INFORMATION kexier tepee cerbon fiber tapo & CAUTOLL FREE xerbon fiber trend avoilable tI WI OIl IL Nt 1-800-589-4444 18621 E Nine Mile Road Esstpointe Michigan 48C21 313 777-2032Fax 313 777-0350 R/C BEGINNERS hobby loses about bait Its potential fliers because fail successfully solo IT ISNT THEIR FAULT ITS THE PLANES FAULT just some rn advertised trainers impossible tor average beginner solo seems norm crash ruin 4 5 planes before becctming successful both stupid costly mention real turn-oft new student quite unnecessary YOU COULD SOLO YOUR FIRST TIME UP Thanks extensive trainer flighttesting ever conducted hobby can now know advance ones fly slow hands off stable easy enough Grandma lust so-so intermediate Which ones deserve trainer label Send $350 plus 520 postage EASE-OF-FLYING RATINGS OF R/C TRAINERS Over 40 currently available train ers evaluated including ARFs Also grades easeof-building explains trainer aerodynamics dares address questions poor trainers good trainers marketed does no warn about Guarantee Yosr money back yos say eye-opening candid enlight ening time-saving money-saving frustration sparing R/C publication have ever read Send chock money ardor Jim Waterman 3818 Deerfield Dr San Antonio TX 78218
Edition: Model Aviation - 1993/12
Page Numbers: 104, 105, 106, 110, 111, 112, 113, 126, 127
NO OCR TEXT 1937 Wakefield International contest free flight rubber- powered models held England Sunday August 1 1937 event won Emanuel Fillon France However American Wakefield team Alvie Dague Dick Bodle Herb Fish Frank Zaic Henry Struck did come home emptyhanded Bowden International Trophy contest gas-powered models won next day Herb Fish flying model designed built Carroll Krupp Akron Ohio Bowden event timed duration type based complex set rules involving appearance model timed flight 45-90 seconds controllability stability plane ability take off land undamaged end scheduled flying four fliers including Herb Fish tied first place flew another round two fell shortleaving Herb Fish Englishman next round English plane landed little hard bent its landing gear American plane won Plans Krupps winning model included Frank Zaics 1938 Yearbook plan reproduced along comments about design Dr D B Mathews Old-Timers column June 1986 Model Aviation article revived interest design successful contest gas models 1 930s parasol high-wing mount no fuselage cabin such Joe Kovel Charlie Grants famous KGs Maxwell Bassetts Miss Philadelphia VI Chet Lanzos Record Breaker Krupps design prettiest type its graceful lines also has sailplane-like proportions felt its long wing would make good RC soarer Since Kyosho Electric Airplane Prop Drive Unit 360 PT LeMans motor gear drive special 9 x 8 prop available decided build Krupps airplane Electric antique climbing gliding hopefully soaring sport flying result model has become favorite fun flier have become hooked Electric flight because challenge achieving enjoyable-length flight limited power available Ni-Cd batteries same challenge faced builders rubber compressed air C02 other stored-energy models Electrics its back old rubber-powered design basics get best out limited energy available larger ratio stored energy source motor Ni-Cds rubber etc total airplane weight longer higher model will fly goal have structure light possible yet strong December 1993 105 Six-foot-span model three-fourths size original Parasol-mounted wings popular gas-powered models Bowden winner rib frame spacings scale 1930sthey supposed stable Front view uncovered structure shows removable motor-radio unit fits fuselage Frame-and-covering structures very strong weight Light weight important Electric models Removable tail surface Note original smaller rudder area Hinge line later moved forward enough support power devices weight frame-and-covering construction used old gas rubber models light strong hence antique gas models make good subjects climb-and-glide Electrics calculations showed 3/4-size model would about right 05 motor Krupps basic airframe structure followed using scale rib fuselage frame spacing Modifications included adding RC control surfaces structural efficiency needed Electric powers extra weight Radio motor battery access problem frame- and-covering fuselage lacks flush-mounted high low wing give access opening wing removed decided make nose section detachable strong spar running back through fuselage radio system heavy motor battery attached has worked well disconnecting control rods servos through small hatch removing two screws firewall complete motor radio unit can removed servicing disadvantage motor battery cannot changed quickly using precharged battery packs continuous flying problem usually fly other models battery airplane being recharged complete six-foot-span airplane landing gear weighs 15 ounces motorradio unit removed CONSTRUCTION step-by-step construction sequence beyond scope article Given drawing experienced builders will build model utilizing own methods General Builders rubber-powered contest models excel building strong light structures try use some tricks Use light contest grade 4-6 lb/cu ft balsa sheet wood parts hard balsa longerons wing spars medium-to-light wood rest structure Before starting construction sort balsa three four piles weight using heaviest normally hardest strongest wood fuselage nose near center wing tail surfaces lightest toward rear tips White glue used practically wood joints am allergic cyanoacrylate CyA glue would have faster probably lighter recently tried Hot Stuff UFO glue no problems would use building model now Build complete model before covering will much easier make fit removable unit control rods Fuselage I use perfectly fiat building board covered Homosote house wallboard soft takes pins nails well Cover plan plastic wrap Continued page 110 Motor size type Geared 05 Electric Number channels Three Flying weight 41 ounces Construction Built-up Covering/finish Silk/Nitrate dope 106 Model Aviation vable motor-radio unit easily removed servicing Radio equipment attached strong spar Front view fuselage motor-radio assembly removed Assembly held place two screws two dowels Bottom view servo access door open Pushrod clips easily disconnected rudder elevator servos Type RC sport Wingspan 72 inches GEITOR RIC Products Inc SOFT-N-SAFE ENGINE MOUNTS Soft Mount using special serrated lao-Damp Grommets Engine always safely retained Very effective vibration reduction dramatic decrease engine shake Light machined aluminum beam mounts 60 2-strokes 1204-strokes available Also available aluminum radial mount 60 2-strokes Soft-N-Safe 120 beam mount complete . $3495 Soft-N-Safe 60 beam mount complete 95 SoftN-Safe 60 radial mount complete 5 Soft-N-Safe Replacement Iso-Damp Grommets Pkg 4 60$295 Pkg 4 120$595 RADIAL ISO-MOUNTS Conventional backplate type mount using four Lord-Type 60-Duro isoMounts Optimized lowest vibration transmission airframe reduced engine shake Radial Iso-mount complete $1495 Iso-Mounts Package 4 $995 5/8 diameter x 1/2 long 8-32 female end 8-32 x 1/2 male other end 60-Duro rubber Provides solid support br accurate building Rugged 7-ply aircraft plywood construction Two sizes available Regular fuse up 6-1/4 wide Jumbo fuse up 9-1/4 wide Use building board base mount Uni-St rut Guide Rails versatile set-up Contains hardware & instructions including Uni-Strut information Box 4 Standard Jig Stations $2195 Box 4 Jumbo Jig Stations 2395 2 Five Ft Guide Rails & Mounting Nuts . $2295 GLASS CLOTH 7 oz/Sq Yard est Filling est Weave Lightest Finished Weight Includes Detailed Instructions Big 3 Square Yard Pkg $895 G6TO1I R/C Products Inc 3713 Pompano Drive Pensacola FL 32514 904/494-0203 904/494-0207 VISA/MasterCard Welcomed $4 00 per item SH esidents add 6% Tax 110 Model Aviation en/Weaver Continued page 106 waxed paper Use one-inch-long 16-gauge brads along longerons hold place over plans front half longerons 1/5 x 3/ts longeron doublers nose should soaked hot water allowed dry brad jig before uprights added will eliminate tendency longerons force sides out shape removed building board dont try build fuselage side atop other using large wood sizes instead make first side make two upright After removing glued first side replace brads original holes Add two longerons doublers glue already made uprights longerons have same crosssection should uprights will fit snugly assuring second side identical first protractor-guided hand sanding block device can big help make uprights diagonals have neat snug fit longerons pieces can cut slightly long few swipes sanding block will make fit perfectly lower opening FU-2 motor battery cooling air will exit through louvered servo door covered window screen keep out anything might blow fuselage landing taking off upper opening directs cooling air speed-control cooling fins Note lower longerons cut away clear hardwood landing-gear attachment blocks used bamboo tail skid bit bamboo seems appropriate antique formed over 3/4-inch-diameter dowel using heat gun certain point bamboo gets hot will soften like plastic held until cools shape becomes permanent Bend shiny side outward small door just front stabilizer allows rudder control rod taken out fuselage cut free two sides after covering allows covering act hinge long side servo access door also uses covering hinge thrustline shown scale centerline original Brown Jr engine raised gear box offset might appear Wing wing structure different original except scale rib spacing Bob Kopski s taperedstrength spar system used strength lightness see About Electrics Part 8 April 1984 Model Aviation Two t/s-square turbulator spars used instead sheet-covered leading edge laminated tips soaked hot water pulled around form least inch thick Use few inches excess length thumbtack ends dry paint white glue attach form again used scrap 3/ fir plywood bandsawed contour forms traced sheet parts inexpensive tracing paper stick balsa sheet templates rubber cement After sheet part cut template made paper tracing can peeled off leftover rubber cement will rub off part template thin plywood preferably aluminum template made rib W-2 full set identical ribs can cut spar notches can enlarged become ribs A-3 A-4 suit assembly Drive brad through template near leading trailing edges backing up wood will leave toothed perforation will keep template slipping W-5 plywood rib reinforcement ties wire mount attachment CI-IPNTMAS SAl 11 WINGSPAN 136 POWER 1-25 OlD 4550 LUS Balsa snd ply construction Fiberglass cowls scoops jriberglass fuselage wing center section gear doors 90 2 cid 27 lbs orsners firewalls retract rails etc installed Fiberglass Scale 95 Sport scale 105 stretched wing Istabilizer cowlings complete hardware includes KIT REG $495 SALE $425 till 12/31 Itailgear tire fuel tanks bar stock spinner domes lug-in wing hdwe Robart retract package avail direct E PRICE.KIT AND RETRACT P10 COMBO $1795 ICHRISTMAS SALE! leading trailing edges spars thus whole wing spars turbulator strips cracked allowed naturally bend down up tips Dampen top spars last W-2 rib assist Make wire wing mount parts accurately possible 1/32 X bracing tacksoldered front rear struts Bind joints fine wire used lamp-cord strands will little floppy first pieces added will assume its finished shape Some wrappings will have rewound accommodate added parts mount holding together wire wrappings set piece wood simulate fuselage Pin tape front rear struts wood hold bottom alignment wing-rubber attach hooks shaped allow wing cam itself off release rubber bands tip hits crash Slide hooks up snugly three-inch-wide piece will align wing fuselage dont want slop everything looks square start soldering Use 4% silver 96% tin highstrength silver soldermade Kester Stay-Briteboth landing-gear joints After soldering attach three-inch-wide piece fine emery cloth wood piece Rub mount forward back until wrapping wire solder bumps smoothed off four small smooth flats will sit rocking fuselage wear plates mount can now attached wing leading trailing edges should fit perfectly giving wing incidence 4O necessary bend top ends struts parallel wing parts Check wing 9O fuselage before final gluing 1/16 sheet added around wire exits wing gluing area aid covering also purpose 1/8 caps wing center line covered wing including wing mount weighs 7 ounces Tail surfaces stabilizer fin use same construction methods wing elevator rudder very light contest-grade balsa sheet eliminate warps simplified construction diagonals added fin covering bowed hinge line Robart Mini Hinge Points light easy install allow surfaces move easily friction Dont glue until after covering hidden elevator horn little complicated hard make appears paper Motor RC Unit removable nose radio-battery spar unit should accommodate geared 05 motors radio receivers Adjust elevator travel /s inch rudder travel 1 es measured trailing edge motor battery held spar wrapping 3A6 rubber-model motor strip used 16-gauge SR highflex wire Sermos connectors wire motor battery exact location battery determined model balanced Fit wiring neatly place hold spar wrappings 1/2-inch-wide Scotch Magic tape plans show following radio battery equipment Tower 500 standard-size receiver two Tower TSS-10 microservos Tower TSS-20 miniservo operate motor toggle switch SR Series 150 175 mAh receiver battery SR EP Max Pack Series 1200 six-cell motor battery resulted flying weight 44 ounces After plans completed installed Futaba Attack 4NBL-E radio THE LEADER IN COM PETITION NEW 4 NEW HIGH TECH AIRFOIL SECTION 10T020% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 534 634 72833456 8334568 84566147 94566A77/ 104566147 106W8W 106EW 1146774778 115W 116EW 1167 124W 125W 1256 1356 1456 1556 164N 16678 RC PYLON RACING SERIES 500 DIA PITCH 75N 5N 8I6778 SERIES 400C 866777 9777 W WIDE BLADE EW EXTRA WIDE N NARROW December1993 111 OS6NFD PROPELLERS A CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DE VELO P ED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIAPITCH THP 1266778 136778 146778 1567 16678 PRO SERIES 3 LI 11 Money Back Guaranteed 115S5251 * mcrsrt VA\NI0TR suoras VMNE AMAILABIL tor 2-Cycle 40 & up & 4-Cycle 50 & up Smoker Preheaters Are Twice As Effective As Head Coils MAKES CALL 1-912-367-0567 GREA TVisa Mastercard & HOLIDA Y American Exyress GIFTAccepte CENTURY JET MODELS INC 5 Martha Ct Sumter SC 29150 803 775-6491 RETRACT SELECTOR SPEED CONTROL VALVE 8305 Regency Woods Way Louisville KY 40220 502 491-4114 Four Infinite Adjustment Screws 2 Up 2 Down Compatible air system Dim 3/8 s 1 s 1-1/4 $2495 Wt 15 oc Semi & Deluxe Ducted Fan Jet Kits Eposy fiberglass fuselage canopy foam wings plans/ instructions Intake/Eshaust System esc F-i 00 F-100 Hun basic kit $18999 1/8 Scale 50 Removable Wings Length 63 Sport Hawk MK II basic kit $18988 Easy build Removable wing Length 59 F-lOS Thunderchiet basic kit $23900 Length 73 77-91 Engine No Cheater Hole F-4 Phantom basic kit $59900 HEW f/7 Scale Twin Engine Aileron/Spoiler Config Length 90 Removable 61 Wings LE/TE flaps Deluxe kit DC wood I/B pylons CP kit plus morel Landing gear tires brakes available [AMP] AMERICAN MODEL PRODUCTS Inc RT 3 BOX 37 BAXLEY GA 31513 Fax9123673577 COMPARE OUR RETRACTS TO THEIRS Stainless Struts cut FREElComplete Air System Stainless Torque LinksAsle Installed Different strut configurationsParts Service * 1 Year Limited Warranty 30 Day Refundt GIANT MAIN RETRACTS STANDARD OR 900 ROTATE 30-50 lb aircraft 2 sets 1 Standard 900 minutes 700 1100 retract angle Over-center lock down Hose gear available $27500 pair WI 15 lbs 1/5 SCALE MAIN RlMAuI STANDARD OR 900 ROTATE Fits PICA Skys P-Si 1/5 Yellow A/C Ziroli Bud Nosen plus Choice 01 91 Plyon Winners Handles 20-25 lb aircraft 84097 retract angle Positive lock up lock down Optional wire struts Nose gear available $19900 pair Wt 22 oz NEW 1/5 SCALE P-51 & SPITFIRE products proudly MADE IN THE USAI THE GREATEST RIC VIDEOSEVERPRODUCED Most Comprehensive Coverage Major DnciedFan Scale Events Join TELSTAR VIDEO take Back Best prestigious event scale aviation 5 full days 3 broadcast cameras captured alt 2 volume set runs tncredible 2 hours 45 mInutes Only $29 99 action excitement Dont miss out comprehensive coverage svailable TELSYAR VIDEO PRODUCTIONS INC fliIEiE 01 SE Decker Ave Suite 109 Stuart FL 34994 800 972 4847 Fax 407 220 4849 ALSO AVASLABLEORDERING tNFORMATION Visa MasterCard checks mosey orders accepted TOP GUN 92FLYING WITH THt ItST $189910% Disceunt ordering two 4TH ANNUAL JtTS OVER StLANO$2495the shove programs Shipping US Canada GIANTS OFTHt SKY-VOLUMt 1$2495and Mexico $250 first tape $150 ea addi tional tape Europe $650 order 10TH ANNIV GREATER SW FAN FLY$2495Europe call 407 286-2535 Add $5 per tape TOP GUN UK$2495for PAL/SECAM orders Florida residents please add 6% sales tax system has combination receiver-speed control two miniservos Since receiver operates motor battery eliminates receiver battery speed control eliminates motor-shutoff toggle switch its servoThis installation saved three ounces models flying performance enhanced also eliminated concem small receiver battery used because light would exhausted after several long flights receiver-speed control combo mounted cooling air speed control shown fuselage side view Two Futaba aileron extensions can used connect receiver servos Covering antique effect model covered red heavyweight silk three coats clear nitrate dope requires two square yards covering material have using Coverite Balsarite attach silk tissue since got some use Micafilm Balsarite hotmelt quick-drying liquid brushed framework covering adhered Its advantage over use dope glue attaching using model sealing iron covering can tacked place spots around edges tacks can softened iron covering restuck pull out slack wrinkles silk smooth can permanently ironed down around edges wing covering slit fit around wing mount wires silk sprayed water shrink tight doped Dope will loosen Balsarite best substitute silk Micaflim very tough almost light silk has translucent appearance much same doped silk tissue BACKYARD MICRO FLYERS PROFILE/SCALE BUILD TO FLY OR DISPLAY W35IIU Albatros Dt Fokker DVII tnk Triplane SR 5A snpwlth comet SPAD 8alsa Print Wood 6-8 Wing Spans Price 52w $250 en Money OrdeeOly Nucolyrt NSa enido5s add oter tar P4P Witdmt t6F HeSeat FW-t95A Haw Hunicane Heinket HetlI trackers IU-8f S MS-SD ME 262 Mit Zeae P470 Thandenbati P-555 Martang Spidlee Fantasy Flyers LOans 430 Pantsingvitle NY 11738 112 Model Aviation lable colors Use ____________________________________________________________[v32][b2235120191200]] same covering technique Balsarite given above silk wing perfecfly flat usual _____ 1930s lack washout has given no tip stall troubles Final Assembly 1A2 plywood wing mount wear pads stabilizer trailing edge reinforcements attached after covering attaching lower stabilizer reinforcements line up rudder-stabilizer assembly airplane centerline place snugly against fuselage act aligmnent keys attaching removing tail assembly Adjust battery spar make model balance point shown install motor-radio unit servo access door taped open fuselage held vertically radio antenna dropped until its end reaches door fuselage tilted ____________________________________________________________[v32][b21361183191500]] antenna end comes out ____________________________________________________________[v32][b21361212191200]] door Continue lower unit --engage spar end FU-4 support Engage nose firewall two /8 locating dowels slip nose place Install two 4-40 screws antenna can stuffed its tube two control rod links attached servos door closed use six-inch piece 047 music wire 3/s-inch 900 bend end tool open links supporting servos fingers support under links closing use six-inch length 1/4 brass tubing 3/ length flattened bent 90g wing held three #33 rubberbands wing struts front rear stabilizer three #32 Continued page 126 BJ FLOATS FULLY FORMED STYROFOAM FLOATS READY FOR FINISHING ____ MOUNTING BLOCKS AND INSTRUCTIONS INCLUDED - vO MODEL MAGIC PRODUCTS INC PO BOX 19784 ST PAUL MN 55119 612/653-9548 December1993 113 -SAFETY EUUIPMEJVT FOR TODAYS FLYER UNCONDITIDIIAL MLINEe BACK EDARA P1 TEE TRY Il IF YDIJ DOlIT LIKE IT WELL BUY IT BACK! ir Lduncher 5Ui & Pit Cr2wT DESIEAIED WITH ENOLJEH STRENETH TO151 LW CIPINION ITS PRODUCT WHOSE TIME HAS COME SAFELy HOLD MOST SPORT THRIJ I5IANTTHAT SHOULD BE CONSIDERED BYEVERYAMA SCALE PLANESED FIELD GARY SHA W -SAFETY COLUMN MODEL AVIATION AUGUST 1993 ELIMINATE RUN-A-WAY PLANES HOL DINE SLIPPERY FIJSELAI5ES PREMATURE RELEASINIi AND COMMUNICATION PROBLEMS ARM5 ARE FREE-FL DA TINE AND AUTOMATICALLY LOCK IN LJPRII5HT POSITION FOOT PEDAL IS IJSFIJ FOR E-Z ONE STEP RELEASE 0 Wo*Jqg Togetha 6...AI VIA z Industry Associate lIlIES FULLY ASSEMBLED THREE VERSIONS AVAILABLEINCLUDES FOUR ID INCH HOLD BIE BIRD7 7DOWN STAKES FOAM CUSHIONINE SPORT PLANEEALL TIJUA yFOR PROTECTION OF THE LEADINE EDEE AND SAFETY PEDAL STOP CDNTRDL LINEDEALER INDUIRES WELCOME Designed Change Wag People Fly 58DB LANCELOT CT SW OLYMPIA WA RB5I WE ACCEPT auncher Lu BOB 7BE-B4EI OR FAX BOB RSE-3419MASTER CARD AND VISA 2 order call Eric Sanders 513-299-7684 5 pm-b pm EST Monday-Friday day Sat Sun CAD airfoil editor-move coordinatea wlmouse create new points round Out leadiry undo mode 64x zoom pan mode coordinate ID mode shows current cursor position etc S Easy use mindowing interlace Pop up test editnr document airfoil changes-saved mith coordinates ulates elliptical planform rib lengths Chord queue allows templates several chord lengths printed oat unattended edit coordinates Pop-up calculator conversions s foam outline screen optimize template height Customizable screen colors are airfoils screen printer using overlay mode ts mirror image Calculates panel volume & surface area aide weight ostimationse Supports dot matrix laser iet printers Calculates prolected panel area airfoil cross sectional area perimeter length tion negative washout Modily airfoils changing camber thickneasmirroring combining tops bottoms different airfoils Interpolates between different root tip airtoils position within wing panel uts DXF file Both scaled unscaled hi-rca screen preview modes her\Cut minI calculator much much more. Remember wine accurate temolates CompuFoil Profeseional-$65 Airfoil Library w1135 airfoils-SlO S&H add $3 Also available-CompuFoil Standard-$25 CompuFoil Plus-$45 Demo Disk-$5 refundable order wIpe compatabillly product ordering information 3904 Traine Dr Kettering OH. 45429 279/Ill IFXOOIO8/bSc/8ls/ 03 k 1 IZES AVAILABLERETAIL 282399 322599 362999 403199 483699 564999 PLOATS WITH BALSA PaR SHEETING 283499 324199 364699 405299 485899 Custom Cradles Feature Custom molded gray tubing--no ugly fittings Special neoprene foam--impervious fuel oil Folds easy storage Custom design built last Ready use--no building Easily adjusted G9C44 eWSIm ~O4faC4 3177 East Fofl Loweil Road #1 Tucson Arizona 85716 Call today order 1 -800-CRADLE-a 272-3530 - AI -4rflO Taft Boy Custom Cradtaa Tail Boy Large25 tall 28 long 5 B wide fuselage-$4090 Tall Boy Standard32 tall 22 long 3o 5 wide fuselage---$3890 .Tail Boy X-Large--26 tall 28 long 8to 12 wide fuselage--$4290 F --AL l3et l\I5vq EVEEa TIVao&RLtIL -I mm ZZx Boy Custom Cradles Lo Boy Standardi 0 tall 22 long 3 5 wide tuselage- $2490 Boy Large14 tail 28 long 5to 8 wide fuselage $2890 Lo Boy X-Large--16 tall 28 long 8to 12 wide fuselage- $3190 VINTAGE P/C PLANS CPRRVIOUSLY SID MORGAN NEW OWNER-FRED NOVACI 5105 PINE HILL CIRCLE HOWELL MICH4 8843 __ L - CUIG77SS-WRIGtIT T-32 CONOOR IENGS 40-60 PLAN NO 08 RC B I&95 PLUS $395 USue $75 FORuC MANY MORE 1993 CAIALOGE $200 US 300 P0 W1 ON COWERS PIPER PRY-GA WACO SICNSON FAIRCHILD FIESELER Fl 156 C3 STO NCR MGA PILOTS FLY THE WORLD OVER m 98 enterprises po box 5631 tresn CO 93755 tel 209 224-4170tax 209 224-7289 Scale plans adding panel lines rivets also uses method check size placement markings Hal Winters baffled us slide-show questionnaire included model personalities aircraft model aircraft aviation personalities other trivia whole affair blast hope see type BowdenlVleaver Continued page 113 rubber bands side FLYING model clean sailplane drag landing gear wing struts large frontal area necessitate additional power achieve reasonable climb Use hotter 05 motors LeMans 360PT motor draws 23 24 amps about 140 watts during useful run about 31/2 minutes allows two climbs well above usual sailplane winch-launch height still air will average eight-to-nine-minute flights has good glide will soar well lift characteristics highwing parasol model tendency slow responding rudder control both going out turn During test flights found model needed rudder area reason rudder hinge line moved forward inch giving rudder area model now easily kept under control very stable longitudinally present after five summers flying am using wing incidence balance point shown plans social function again Nats Its time start building next years entries understand bounty Steve Ashby next years Nats anyone out can beat him Sport Scale will national champion fifth year row challenge has made See Texas ls strength tested during first trial flights radio motor speed control tested perfectly during ground checks air constant glitching control being erratic motor cutting off made several lucky flights safe landings nothing did radio motor speed control helped Finally tb model made full-rudder spiral di ground hitting nose wing tip wing flew off designed damage wingtip bent landing gear prop shaft few small dents nose cowl hit hard enough cause motor battery move forward 3/ inch though tightly rubberbanded motor spar could moved hand gave up speed control tried servo-operated on-off motor switch radio problems disappeared speed control necessary climb-andglide flight anyway condemn speed controls general know work perfectly probably something peculiar radio motor setup should have worked out During subsequent flying 126 Model Aviation WAFFE USAAFSTATE-OF-THE-ART PILOTS WWI AVIATOR 52495us WWII USAAF 52995 114 W W II N V Y 2495 WWII LUFTWAFFE 2995 CIVISPORT 2495 I/S JET TOP GUN 29951/9 WWII JAPANESE 1995 AVAILABLE AT YOUR LOCAL HOBBY DEALER OR DIRECT P&H $350 PER PILOT F RES ADD SALES TAX SEND SASE FOR COLOR BROCHURE 5 I Join Giants Help Promote iLJEfNon-CompetitiveI EUIJ _______ InIrpIonaI MoaIu.J*nca11 AccaIon IMAA membership includes quarterly magazine High Flight IMEMBERSHIP APPLICATiON IJ NEW RENEWAL Date19I Yearly Dues $1500 USA $2000 US Canada & Mexico $3000 US Elsewhere I Make CHECK MONEY ORDER Payable INTERNATIONAL MINIAlURE AIRCRAFT ASSOCIATION INC I Name ______________________________________ Ph _________________________ I Street ______________________________________ P0 Box/Route Box ________________ I ________________________State/Province _________________Zip _________________ 1City IMAA __________AMA Number ___________MAAC __________Chapter __________ L TO IMAA Secrotary DONE VINEYARD e 205 HilIdole Road na KS 67401 mmI occasion put model long vertical dive wires whistling get out strong thermal about make disappear overhead no fluttering wing survived dive pullout okay Fine trimming get maximum climb glide can go forever its part challenge wing incidence can increased shimming under front struts wing can also moved fore aft Adjust until get best glide angle elevator trim neutral model may require slight up down elevator trim get best climb Since no down right thrust used original find need about right trim rudders trailing edge control torque under full power CL SpeedlLee Continued paqe 73 feeling low Grandpa used instant glue fiberglass model back flying condition Mike put up three official flights fastest being 13378 score won first place Junior barely ahead Peter Brown 13318 Three Seniors tried fly David Van Allen Chandler Arizona get official time Dave came Nats Slugger Brown other Staten Island Speed Team members helping him Open fliers airplanes powered variety engines Aloise Team using two ACE engines Carlos built last year Some changes necessary use model SAM competition Make rudder elevator open-frame construction like fin stabilizer sheet wood shown Remove turbulator spars sheet wing 1 es behind leading edge Sheet wingtips rib W-l outward sheet center section three inches out centerline encourage power fliers try soaring like lot sports look boring spectator exciting participant Electric power quiet clean way get soarer either antique sailplaneup thermal-finding height perfect way go us old free flight thermal chasers losing wide open spaces young legs us Rossis 0S Nelson engine Aloise Team Tommy Brown Frank Garzon first second third until Connie Aloise showed up arrived late after flying Evansville Indiana Carlos picked up Carlos processed airplane morning Connie started engine required rules Slugger flew her first flight new 21 Sport Speed record 15244 backup flight same speed clinched record well first place Connie uses two ACE engines seems develop massive amounts power lower rpm During flight engine much quieter others believe using larger prop rest us December 1993 127 ALES INC Fiberglass Headquarters * BUY DIRECT * Super Bond 5 mini Epoxy Epoxy Laminating Resins Cyanoacrylate Adhesives es ective Hand Creams Masks Aprons- Polyester Resin al Sprayer Laminahng Brushes ers Acetate- Fiberglass Fillers Tongue Depressors Wood Mixing Paddles sive DiscsSandpaper Foam Brashes- Fine-Weave Medium Hesoy Weight Cloth ar on Fibers TECHNICAL INFORMATION kexier tepee cerbon fiber tapo & CAUTOLL FREE xerbon fiber trend avoilable tI WI OIl IL Nt 1-800-589-4444 18621 E Nine Mile Road Esstpointe Michigan 48C21 313 777-2032Fax 313 777-0350 R/C BEGINNERS hobby loses about bait Its potential fliers because fail successfully solo IT ISNT THEIR FAULT ITS THE PLANES FAULT just some rn advertised trainers impossible tor average beginner solo seems norm crash ruin 4 5 planes before becctming successful both stupid costly mention real turn-oft new student quite unnecessary YOU COULD SOLO YOUR FIRST TIME UP Thanks extensive trainer flighttesting ever conducted hobby can now know advance ones fly slow hands off stable easy enough Grandma lust so-so intermediate Which ones deserve trainer label Send $350 plus 520 postage EASE-OF-FLYING RATINGS OF R/C TRAINERS Over 40 currently available train ers evaluated including ARFs Also grades easeof-building explains trainer aerodynamics dares address questions poor trainers good trainers marketed does no warn about Guarantee Yosr money back yos say eye-opening candid enlight ening time-saving money-saving frustration sparing R/C publication have ever read Send chock money ardor Jim Waterman 3818 Deerfield Dr San Antonio TX 78218
Edition: Model Aviation - 1993/12
Page Numbers: 104, 105, 106, 110, 111, 112, 113, 126, 127
NO OCR TEXT 1937 Wakefield International contest free flight rubber- powered models held England Sunday August 1 1937 event won Emanuel Fillon France However American Wakefield team Alvie Dague Dick Bodle Herb Fish Frank Zaic Henry Struck did come home emptyhanded Bowden International Trophy contest gas-powered models won next day Herb Fish flying model designed built Carroll Krupp Akron Ohio Bowden event timed duration type based complex set rules involving appearance model timed flight 45-90 seconds controllability stability plane ability take off land undamaged end scheduled flying four fliers including Herb Fish tied first place flew another round two fell shortleaving Herb Fish Englishman next round English plane landed little hard bent its landing gear American plane won Plans Krupps winning model included Frank Zaics 1938 Yearbook plan reproduced along comments about design Dr D B Mathews Old-Timers column June 1986 Model Aviation article revived interest design successful contest gas models 1 930s parasol high-wing mount no fuselage cabin such Joe Kovel Charlie Grants famous KGs Maxwell Bassetts Miss Philadelphia VI Chet Lanzos Record Breaker Krupps design prettiest type its graceful lines also has sailplane-like proportions felt its long wing would make good RC soarer Since Kyosho Electric Airplane Prop Drive Unit 360 PT LeMans motor gear drive special 9 x 8 prop available decided build Krupps airplane Electric antique climbing gliding hopefully soaring sport flying result model has become favorite fun flier have become hooked Electric flight because challenge achieving enjoyable-length flight limited power available Ni-Cd batteries same challenge faced builders rubber compressed air C02 other stored-energy models Electrics its back old rubber-powered design basics get best out limited energy available larger ratio stored energy source motor Ni-Cds rubber etc total airplane weight longer higher model will fly goal have structure light possible yet strong December 1993 105 Six-foot-span model three-fourths size original Parasol-mounted wings popular gas-powered models Bowden winner rib frame spacings scale 1930sthey supposed stable Front view uncovered structure shows removable motor-radio unit fits fuselage Frame-and-covering structures very strong weight Light weight important Electric models Removable tail surface Note original smaller rudder area Hinge line later moved forward enough support power devices weight frame-and-covering construction used old gas rubber models light strong hence antique gas models make good subjects climb-and-glide Electrics calculations showed 3/4-size model would about right 05 motor Krupps basic airframe structure followed using scale rib fuselage frame spacing Modifications included adding RC control surfaces structural efficiency needed Electric powers extra weight Radio motor battery access problem frame- and-covering fuselage lacks flush-mounted high low wing give access opening wing removed decided make nose section detachable strong spar running back through fuselage radio system heavy motor battery attached has worked well disconnecting control rods servos through small hatch removing two screws firewall complete motor radio unit can removed servicing disadvantage motor battery cannot changed quickly using precharged battery packs continuous flying problem usually fly other models battery airplane being recharged complete six-foot-span airplane landing gear weighs 15 ounces motorradio unit removed CONSTRUCTION step-by-step construction sequence beyond scope article Given drawing experienced builders will build model utilizing own methods General Builders rubber-powered contest models excel building strong light structures try use some tricks Use light contest grade 4-6 lb/cu ft balsa sheet wood parts hard balsa longerons wing spars medium-to-light wood rest structure Before starting construction sort balsa three four piles weight using heaviest normally hardest strongest wood fuselage nose near center wing tail surfaces lightest toward rear tips White glue used practically wood joints am allergic cyanoacrylate CyA glue would have faster probably lighter recently tried Hot Stuff UFO glue no problems would use building model now Build complete model before covering will much easier make fit removable unit control rods Fuselage I use perfectly fiat building board covered Homosote house wallboard soft takes pins nails well Cover plan plastic wrap Continued page 110 Motor size type Geared 05 Electric Number channels Three Flying weight 41 ounces Construction Built-up Covering/finish Silk/Nitrate dope 106 Model Aviation vable motor-radio unit easily removed servicing Radio equipment attached strong spar Front view fuselage motor-radio assembly removed Assembly held place two screws two dowels Bottom view servo access door open Pushrod clips easily disconnected rudder elevator servos Type RC sport Wingspan 72 inches GEITOR RIC Products Inc SOFT-N-SAFE ENGINE MOUNTS Soft Mount using special serrated lao-Damp Grommets Engine always safely retained Very effective vibration reduction dramatic decrease engine shake Light machined aluminum beam mounts 60 2-strokes 1204-strokes available Also available aluminum radial mount 60 2-strokes Soft-N-Safe 120 beam mount complete . $3495 Soft-N-Safe 60 beam mount complete 95 SoftN-Safe 60 radial mount complete 5 Soft-N-Safe Replacement Iso-Damp Grommets Pkg 4 60$295 Pkg 4 120$595 RADIAL ISO-MOUNTS Conventional backplate type mount using four Lord-Type 60-Duro isoMounts Optimized lowest vibration transmission airframe reduced engine shake Radial Iso-mount complete $1495 Iso-Mounts Package 4 $995 5/8 diameter x 1/2 long 8-32 female end 8-32 x 1/2 male other end 60-Duro rubber Provides solid support br accurate building Rugged 7-ply aircraft plywood construction Two sizes available Regular fuse up 6-1/4 wide Jumbo fuse up 9-1/4 wide Use building board base mount Uni-St rut Guide Rails versatile set-up Contains hardware & instructions including Uni-Strut information Box 4 Standard Jig Stations $2195 Box 4 Jumbo Jig Stations 2395 2 Five Ft Guide Rails & Mounting Nuts . $2295 GLASS CLOTH 7 oz/Sq Yard est Filling est Weave Lightest Finished Weight Includes Detailed Instructions Big 3 Square Yard Pkg $895 G6TO1I R/C Products Inc 3713 Pompano Drive Pensacola FL 32514 904/494-0203 904/494-0207 VISA/MasterCard Welcomed $4 00 per item SH esidents add 6% Tax 110 Model Aviation en/Weaver Continued page 106 waxed paper Use one-inch-long 16-gauge brads along longerons hold place over plans front half longerons 1/5 x 3/ts longeron doublers nose should soaked hot water allowed dry brad jig before uprights added will eliminate tendency longerons force sides out shape removed building board dont try build fuselage side atop other using large wood sizes instead make first side make two upright After removing glued first side replace brads original holes Add two longerons doublers glue already made uprights longerons have same crosssection should uprights will fit snugly assuring second side identical first protractor-guided hand sanding block device can big help make uprights diagonals have neat snug fit longerons pieces can cut slightly long few swipes sanding block will make fit perfectly lower opening FU-2 motor battery cooling air will exit through louvered servo door covered window screen keep out anything might blow fuselage landing taking off upper opening directs cooling air speed-control cooling fins Note lower longerons cut away clear hardwood landing-gear attachment blocks used bamboo tail skid bit bamboo seems appropriate antique formed over 3/4-inch-diameter dowel using heat gun certain point bamboo gets hot will soften like plastic held until cools shape becomes permanent Bend shiny side outward small door just front stabilizer allows rudder control rod taken out fuselage cut free two sides after covering allows covering act hinge long side servo access door also uses covering hinge thrustline shown scale centerline original Brown Jr engine raised gear box offset might appear Wing wing structure different original except scale rib spacing Bob Kopski s taperedstrength spar system used strength lightness see About Electrics Part 8 April 1984 Model Aviation Two t/s-square turbulator spars used instead sheet-covered leading edge laminated tips soaked hot water pulled around form least inch thick Use few inches excess length thumbtack ends dry paint white glue attach form again used scrap 3/ fir plywood bandsawed contour forms traced sheet parts inexpensive tracing paper stick balsa sheet templates rubber cement After sheet part cut template made paper tracing can peeled off leftover rubber cement will rub off part template thin plywood preferably aluminum template made rib W-2 full set identical ribs can cut spar notches can enlarged become ribs A-3 A-4 suit assembly Drive brad through template near leading trailing edges backing up wood will leave toothed perforation will keep template slipping W-5 plywood rib reinforcement ties wire mount attachment CI-IPNTMAS SAl 11 WINGSPAN 136 POWER 1-25 OlD 4550 LUS Balsa snd ply construction Fiberglass cowls scoops jriberglass fuselage wing center section gear doors 90 2 cid 27 lbs orsners firewalls retract rails etc installed Fiberglass Scale 95 Sport scale 105 stretched wing Istabilizer cowlings complete hardware includes KIT REG $495 SALE $425 till 12/31 Itailgear tire fuel tanks bar stock spinner domes lug-in wing hdwe Robart retract package avail direct E PRICE.KIT AND RETRACT P10 COMBO $1795 ICHRISTMAS SALE! leading trailing edges spars thus whole wing spars turbulator strips cracked allowed naturally bend down up tips Dampen top spars last W-2 rib assist Make wire wing mount parts accurately possible 1/32 X bracing tacksoldered front rear struts Bind joints fine wire used lamp-cord strands will little floppy first pieces added will assume its finished shape Some wrappings will have rewound accommodate added parts mount holding together wire wrappings set piece wood simulate fuselage Pin tape front rear struts wood hold bottom alignment wing-rubber attach hooks shaped allow wing cam itself off release rubber bands tip hits crash Slide hooks up snugly three-inch-wide piece will align wing fuselage dont want slop everything looks square start soldering Use 4% silver 96% tin highstrength silver soldermade Kester Stay-Briteboth landing-gear joints After soldering attach three-inch-wide piece fine emery cloth wood piece Rub mount forward back until wrapping wire solder bumps smoothed off four small smooth flats will sit rocking fuselage wear plates mount can now attached wing leading trailing edges should fit perfectly giving wing incidence 4O necessary bend top ends struts parallel wing parts Check wing 9O fuselage before final gluing 1/16 sheet added around wire exits wing gluing area aid covering also purpose 1/8 caps wing center line covered wing including wing mount weighs 7 ounces Tail surfaces stabilizer fin use same construction methods wing elevator rudder very light contest-grade balsa sheet eliminate warps simplified construction diagonals added fin covering bowed hinge line Robart Mini Hinge Points light easy install allow surfaces move easily friction Dont glue until after covering hidden elevator horn little complicated hard make appears paper Motor RC Unit removable nose radio-battery spar unit should accommodate geared 05 motors radio receivers Adjust elevator travel /s inch rudder travel 1 es measured trailing edge motor battery held spar wrapping 3A6 rubber-model motor strip used 16-gauge SR highflex wire Sermos connectors wire motor battery exact location battery determined model balanced Fit wiring neatly place hold spar wrappings 1/2-inch-wide Scotch Magic tape plans show following radio battery equipment Tower 500 standard-size receiver two Tower TSS-10 microservos Tower TSS-20 miniservo operate motor toggle switch SR Series 150 175 mAh receiver battery SR EP Max Pack Series 1200 six-cell motor battery resulted flying weight 44 ounces After plans completed installed Futaba Attack 4NBL-E radio THE LEADER IN COM PETITION NEW 4 NEW HIGH TECH AIRFOIL SECTION 10T020% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 534 634 72833456 8334568 84566147 94566A77/ 104566147 106W8W 106EW 1146774778 115W 116EW 1167 124W 125W 1256 1356 1456 1556 164N 16678 RC PYLON RACING SERIES 500 DIA PITCH 75N 5N 8I6778 SERIES 400C 866777 9777 W WIDE BLADE EW EXTRA WIDE N NARROW December1993 111 OS6NFD PROPELLERS A CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DE VELO P ED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIAPITCH THP 1266778 136778 146778 1567 16678 PRO SERIES 3 LI 11 Money Back Guaranteed 115S5251 * mcrsrt VA\NI0TR suoras VMNE AMAILABIL tor 2-Cycle 40 & up & 4-Cycle 50 & up Smoker Preheaters Are Twice As Effective As Head Coils MAKES CALL 1-912-367-0567 GREA TVisa Mastercard & HOLIDA Y American Exyress GIFTAccepte CENTURY JET MODELS INC 5 Martha Ct Sumter SC 29150 803 775-6491 RETRACT SELECTOR SPEED CONTROL VALVE 8305 Regency Woods Way Louisville KY 40220 502 491-4114 Four Infinite Adjustment Screws 2 Up 2 Down Compatible air system Dim 3/8 s 1 s 1-1/4 $2495 Wt 15 oc Semi & Deluxe Ducted Fan Jet Kits Eposy fiberglass fuselage canopy foam wings plans/ instructions Intake/Eshaust System esc F-i 00 F-100 Hun basic kit $18999 1/8 Scale 50 Removable Wings Length 63 Sport Hawk MK II basic kit $18988 Easy build Removable wing Length 59 F-lOS Thunderchiet basic kit $23900 Length 73 77-91 Engine No Cheater Hole F-4 Phantom basic kit $59900 HEW f/7 Scale Twin Engine Aileron/Spoiler Config Length 90 Removable 61 Wings LE/TE flaps Deluxe kit DC wood I/B pylons CP kit plus morel Landing gear tires brakes available [AMP] AMERICAN MODEL PRODUCTS Inc RT 3 BOX 37 BAXLEY GA 31513 Fax9123673577 COMPARE OUR RETRACTS TO THEIRS Stainless Struts cut FREElComplete Air System Stainless Torque LinksAsle Installed Different strut configurationsParts Service * 1 Year Limited Warranty 30 Day Refundt GIANT MAIN RETRACTS STANDARD OR 900 ROTATE 30-50 lb aircraft 2 sets 1 Standard 900 minutes 700 1100 retract angle Over-center lock down Hose gear available $27500 pair WI 15 lbs 1/5 SCALE MAIN RlMAuI STANDARD OR 900 ROTATE Fits PICA Skys P-Si 1/5 Yellow A/C Ziroli Bud Nosen plus Choice 01 91 Plyon Winners Handles 20-25 lb aircraft 84097 retract angle Positive lock up lock down Optional wire struts Nose gear available $19900 pair Wt 22 oz NEW 1/5 SCALE P-51 & SPITFIRE products proudly MADE IN THE USAI THE GREATEST RIC VIDEOSEVERPRODUCED Most Comprehensive Coverage Major DnciedFan Scale Events Join TELSTAR VIDEO take Back Best prestigious event scale aviation 5 full days 3 broadcast cameras captured alt 2 volume set runs tncredible 2 hours 45 mInutes Only $29 99 action excitement Dont miss out comprehensive coverage svailable TELSYAR VIDEO PRODUCTIONS INC fliIEiE 01 SE Decker Ave Suite 109 Stuart FL 34994 800 972 4847 Fax 407 220 4849 ALSO AVASLABLEORDERING tNFORMATION Visa MasterCard checks mosey orders accepted TOP GUN 92FLYING WITH THt ItST $189910% Disceunt ordering two 4TH ANNUAL JtTS OVER StLANO$2495the shove programs Shipping US Canada GIANTS OFTHt SKY-VOLUMt 1$2495and Mexico $250 first tape $150 ea addi tional tape Europe $650 order 10TH ANNIV GREATER SW FAN FLY$2495Europe call 407 286-2535 Add $5 per tape TOP GUN UK$2495for PAL/SECAM orders Florida residents please add 6% sales tax system has combination receiver-speed control two miniservos Since receiver operates motor battery eliminates receiver battery speed control eliminates motor-shutoff toggle switch its servoThis installation saved three ounces models flying performance enhanced also eliminated concem small receiver battery used because light would exhausted after several long flights receiver-speed control combo mounted cooling air speed control shown fuselage side view Two Futaba aileron extensions can used connect receiver servos Covering antique effect model covered red heavyweight silk three coats clear nitrate dope requires two square yards covering material have using Coverite Balsarite attach silk tissue since got some use Micafilm Balsarite hotmelt quick-drying liquid brushed framework covering adhered Its advantage over use dope glue attaching using model sealing iron covering can tacked place spots around edges tacks can softened iron covering restuck pull out slack wrinkles silk smooth can permanently ironed down around edges wing covering slit fit around wing mount wires silk sprayed water shrink tight doped Dope will loosen Balsarite best substitute silk Micaflim very tough almost light silk has translucent appearance much same doped silk tissue BACKYARD MICRO FLYERS PROFILE/SCALE BUILD TO FLY OR DISPLAY W35IIU Albatros Dt Fokker DVII tnk Triplane SR 5A snpwlth comet SPAD 8alsa Print Wood 6-8 Wing Spans Price 52w $250 en Money OrdeeOly Nucolyrt NSa enido5s add oter tar P4P Witdmt t6F HeSeat FW-t95A Haw Hunicane Heinket HetlI trackers IU-8f S MS-SD ME 262 Mit Zeae P470 Thandenbati P-555 Martang Spidlee Fantasy Flyers LOans 430 Pantsingvitle NY 11738 112 Model Aviation lable colors Use ____________________________________________________________[v32][b2235120191200]] same covering technique Balsarite given above silk wing perfecfly flat usual _____ 1930s lack washout has given no tip stall troubles Final Assembly 1A2 plywood wing mount wear pads stabilizer trailing edge reinforcements attached after covering attaching lower stabilizer reinforcements line up rudder-stabilizer assembly airplane centerline place snugly against fuselage act aligmnent keys attaching removing tail assembly Adjust battery spar make model balance point shown install motor-radio unit servo access door taped open fuselage held vertically radio antenna dropped until its end reaches door fuselage tilted ____________________________________________________________[v32][b21361183191500]] antenna end comes out ____________________________________________________________[v32][b21361212191200]] door Continue lower unit --engage spar end FU-4 support Engage nose firewall two /8 locating dowels slip nose place Install two 4-40 screws antenna can stuffed its tube two control rod links attached servos door closed use six-inch piece 047 music wire 3/s-inch 900 bend end tool open links supporting servos fingers support under links closing use six-inch length 1/4 brass tubing 3/ length flattened bent 90g wing held three #33 rubberbands wing struts front rear stabilizer three #32 Continued page 126 BJ FLOATS FULLY FORMED STYROFOAM FLOATS READY FOR FINISHING ____ MOUNTING BLOCKS AND INSTRUCTIONS INCLUDED - vO MODEL MAGIC PRODUCTS INC PO BOX 19784 ST PAUL MN 55119 612/653-9548 December1993 113 -SAFETY EUUIPMEJVT FOR TODAYS FLYER UNCONDITIDIIAL MLINEe BACK EDARA P1 TEE TRY Il IF YDIJ DOlIT LIKE IT WELL BUY IT BACK! ir Lduncher 5Ui & Pit Cr2wT DESIEAIED WITH ENOLJEH STRENETH TO151 LW CIPINION ITS PRODUCT WHOSE TIME HAS COME SAFELy HOLD MOST SPORT THRIJ I5IANTTHAT SHOULD BE CONSIDERED BYEVERYAMA SCALE PLANESED FIELD GARY SHA W -SAFETY COLUMN MODEL AVIATION AUGUST 1993 ELIMINATE RUN-A-WAY PLANES HOL DINE SLIPPERY FIJSELAI5ES PREMATURE RELEASINIi AND COMMUNICATION PROBLEMS ARM5 ARE FREE-FL DA TINE AND AUTOMATICALLY LOCK IN LJPRII5HT POSITION FOOT PEDAL IS IJSFIJ FOR E-Z ONE STEP RELEASE 0 Wo*Jqg Togetha 6...AI VIA z Industry Associate lIlIES FULLY ASSEMBLED THREE VERSIONS AVAILABLEINCLUDES FOUR ID INCH HOLD BIE BIRD7 7DOWN STAKES FOAM CUSHIONINE SPORT PLANEEALL TIJUA yFOR PROTECTION OF THE LEADINE EDEE AND SAFETY PEDAL STOP CDNTRDL LINEDEALER INDUIRES WELCOME Designed Change Wag People Fly 58DB LANCELOT CT SW OLYMPIA WA RB5I WE ACCEPT auncher Lu BOB 7BE-B4EI OR FAX BOB RSE-3419MASTER CARD AND VISA 2 order call Eric Sanders 513-299-7684 5 pm-b pm EST Monday-Friday day Sat Sun CAD airfoil editor-move coordinatea wlmouse create new points round Out leadiry undo mode 64x zoom pan mode coordinate ID mode shows current cursor position etc S Easy use mindowing interlace Pop up test editnr document airfoil changes-saved mith coordinates ulates elliptical planform rib lengths Chord queue allows templates several chord lengths printed oat unattended edit coordinates Pop-up calculator conversions s foam outline screen optimize template height Customizable screen colors are airfoils screen printer using overlay mode ts mirror image Calculates panel volume & surface area aide weight ostimationse Supports dot matrix laser iet printers Calculates prolected panel area airfoil cross sectional area perimeter length tion negative washout Modily airfoils changing camber thickneasmirroring combining tops bottoms different airfoils Interpolates between different root tip airtoils position within wing panel uts DXF file Both scaled unscaled hi-rca screen preview modes her\Cut minI calculator much much more. Remember wine accurate temolates CompuFoil Profeseional-$65 Airfoil Library w1135 airfoils-SlO S&H add $3 Also available-CompuFoil Standard-$25 CompuFoil Plus-$45 Demo Disk-$5 refundable order wIpe compatabillly product ordering information 3904 Traine Dr Kettering OH. 45429 279/Ill IFXOOIO8/bSc/8ls/ 03 k 1 IZES AVAILABLERETAIL 282399 322599 362999 403199 483699 564999 PLOATS WITH BALSA PaR SHEETING 283499 324199 364699 405299 485899 Custom Cradles Feature Custom molded gray tubing--no ugly fittings Special neoprene foam--impervious fuel oil Folds easy storage Custom design built last Ready use--no building Easily adjusted G9C44 eWSIm ~O4faC4 3177 East Fofl Loweil Road #1 Tucson Arizona 85716 Call today order 1 -800-CRADLE-a 272-3530 - AI -4rflO Taft Boy Custom Cradtaa Tail Boy Large25 tall 28 long 5 B wide fuselage-$4090 Tall Boy Standard32 tall 22 long 3o 5 wide fuselage---$3890 .Tail Boy X-Large--26 tall 28 long 8to 12 wide fuselage--$4290 F --AL l3et l\I5vq EVEEa TIVao&RLtIL -I mm ZZx Boy Custom Cradles Lo Boy Standardi 0 tall 22 long 3 5 wide tuselage- $2490 Boy Large14 tail 28 long 5to 8 wide fuselage $2890 Lo Boy X-Large--16 tall 28 long 8to 12 wide fuselage- $3190 VINTAGE P/C PLANS CPRRVIOUSLY SID MORGAN NEW OWNER-FRED NOVACI 5105 PINE HILL CIRCLE HOWELL MICH4 8843 __ L - CUIG77SS-WRIGtIT T-32 CONOOR IENGS 40-60 PLAN NO 08 RC B I&95 PLUS $395 USue $75 FORuC MANY MORE 1993 CAIALOGE $200 US 300 P0 W1 ON COWERS PIPER PRY-GA WACO SICNSON FAIRCHILD FIESELER Fl 156 C3 STO NCR MGA PILOTS FLY THE WORLD OVER m 98 enterprises po box 5631 tresn CO 93755 tel 209 224-4170tax 209 224-7289 Scale plans adding panel lines rivets also uses method check size placement markings Hal Winters baffled us slide-show questionnaire included model personalities aircraft model aircraft aviation personalities other trivia whole affair blast hope see type BowdenlVleaver Continued page 113 rubber bands side FLYING model clean sailplane drag landing gear wing struts large frontal area necessitate additional power achieve reasonable climb Use hotter 05 motors LeMans 360PT motor draws 23 24 amps about 140 watts during useful run about 31/2 minutes allows two climbs well above usual sailplane winch-launch height still air will average eight-to-nine-minute flights has good glide will soar well lift characteristics highwing parasol model tendency slow responding rudder control both going out turn During test flights found model needed rudder area reason rudder hinge line moved forward inch giving rudder area model now easily kept under control very stable longitudinally present after five summers flying am using wing incidence balance point shown plans social function again Nats Its time start building next years entries understand bounty Steve Ashby next years Nats anyone out can beat him Sport Scale will national champion fifth year row challenge has made See Texas ls strength tested during first trial flights radio motor speed control tested perfectly during ground checks air constant glitching control being erratic motor cutting off made several lucky flights safe landings nothing did radio motor speed control helped Finally tb model made full-rudder spiral di ground hitting nose wing tip wing flew off designed damage wingtip bent landing gear prop shaft few small dents nose cowl hit hard enough cause motor battery move forward 3/ inch though tightly rubberbanded motor spar could moved hand gave up speed control tried servo-operated on-off motor switch radio problems disappeared speed control necessary climb-andglide flight anyway condemn speed controls general know work perfectly probably something peculiar radio motor setup should have worked out During subsequent flying 126 Model Aviation WAFFE USAAFSTATE-OF-THE-ART PILOTS WWI AVIATOR 52495us WWII USAAF 52995 114 W W II N V Y 2495 WWII LUFTWAFFE 2995 CIVISPORT 2495 I/S JET TOP GUN 29951/9 WWII JAPANESE 1995 AVAILABLE AT YOUR LOCAL HOBBY DEALER OR DIRECT P&H $350 PER PILOT F RES ADD SALES TAX SEND SASE FOR COLOR BROCHURE 5 I Join Giants Help Promote iLJEfNon-CompetitiveI EUIJ _______ InIrpIonaI MoaIu.J*nca11 AccaIon IMAA membership includes quarterly magazine High Flight IMEMBERSHIP APPLICATiON IJ NEW RENEWAL Date19I Yearly Dues $1500 USA $2000 US Canada & Mexico $3000 US Elsewhere I Make CHECK MONEY ORDER Payable INTERNATIONAL MINIAlURE AIRCRAFT ASSOCIATION INC I Name ______________________________________ Ph _________________________ I Street ______________________________________ P0 Box/Route Box ________________ I ________________________State/Province _________________Zip _________________ 1City IMAA __________AMA Number ___________MAAC __________Chapter __________ L TO IMAA Secrotary DONE VINEYARD e 205 HilIdole Road na KS 67401 mmI occasion put model long vertical dive wires whistling get out strong thermal about make disappear overhead no fluttering wing survived dive pullout okay Fine trimming get maximum climb glide can go forever its part challenge wing incidence can increased shimming under front struts wing can also moved fore aft Adjust until get best glide angle elevator trim neutral model may require slight up down elevator trim get best climb Since no down right thrust used original find need about right trim rudders trailing edge control torque under full power CL SpeedlLee Continued paqe 73 feeling low Grandpa used instant glue fiberglass model back flying condition Mike put up three official flights fastest being 13378 score won first place Junior barely ahead Peter Brown 13318 Three Seniors tried fly David Van Allen Chandler Arizona get official time Dave came Nats Slugger Brown other Staten Island Speed Team members helping him Open fliers airplanes powered variety engines Aloise Team using two ACE engines Carlos built last year Some changes necessary use model SAM competition Make rudder elevator open-frame construction like fin stabilizer sheet wood shown Remove turbulator spars sheet wing 1 es behind leading edge Sheet wingtips rib W-l outward sheet center section three inches out centerline encourage power fliers try soaring like lot sports look boring spectator exciting participant Electric power quiet clean way get soarer either antique sailplaneup thermal-finding height perfect way go us old free flight thermal chasers losing wide open spaces young legs us Rossis 0S Nelson engine Aloise Team Tommy Brown Frank Garzon first second third until Connie Aloise showed up arrived late after flying Evansville Indiana Carlos picked up Carlos processed airplane morning Connie started engine required rules Slugger flew her first flight new 21 Sport Speed record 15244 backup flight same speed clinched record well first place Connie uses two ACE engines seems develop massive amounts power lower rpm During flight engine much quieter others believe using larger prop rest us December 1993 127 ALES INC Fiberglass Headquarters * BUY DIRECT * Super Bond 5 mini Epoxy Epoxy Laminating Resins Cyanoacrylate Adhesives es ective Hand Creams Masks Aprons- Polyester Resin al Sprayer Laminahng Brushes ers Acetate- Fiberglass Fillers Tongue Depressors Wood Mixing Paddles sive DiscsSandpaper Foam Brashes- Fine-Weave Medium Hesoy Weight Cloth ar on Fibers TECHNICAL INFORMATION kexier tepee cerbon fiber tapo & CAUTOLL FREE xerbon fiber trend avoilable tI WI OIl IL Nt 1-800-589-4444 18621 E Nine Mile Road Esstpointe Michigan 48C21 313 777-2032Fax 313 777-0350 R/C BEGINNERS hobby loses about bait Its potential fliers because fail successfully solo IT ISNT THEIR FAULT ITS THE PLANES FAULT just some rn advertised trainers impossible tor average beginner solo seems norm crash ruin 4 5 planes before becctming successful both stupid costly mention real turn-oft new student quite unnecessary YOU COULD SOLO YOUR FIRST TIME UP Thanks extensive trainer flighttesting ever conducted hobby can now know advance ones fly slow hands off stable easy enough Grandma lust so-so intermediate Which ones deserve trainer label Send $350 plus 520 postage EASE-OF-FLYING RATINGS OF R/C TRAINERS Over 40 currently available train ers evaluated including ARFs Also grades easeof-building explains trainer aerodynamics dares address questions poor trainers good trainers marketed does no warn about Guarantee Yosr money back yos say eye-opening candid enlight ening time-saving money-saving frustration sparing R/C publication have ever read Send chock money ardor Jim Waterman 3818 Deerfield Dr San Antonio TX 78218
Edition: Model Aviation - 1993/12
Page Numbers: 104, 105, 106, 110, 111, 112, 113, 126, 127
NO OCR TEXT 1937 Wakefield International contest free flight rubber- powered models held England Sunday August 1 1937 event won Emanuel Fillon France However American Wakefield team Alvie Dague Dick Bodle Herb Fish Frank Zaic Henry Struck did come home emptyhanded Bowden International Trophy contest gas-powered models won next day Herb Fish flying model designed built Carroll Krupp Akron Ohio Bowden event timed duration type based complex set rules involving appearance model timed flight 45-90 seconds controllability stability plane ability take off land undamaged end scheduled flying four fliers including Herb Fish tied first place flew another round two fell shortleaving Herb Fish Englishman next round English plane landed little hard bent its landing gear American plane won Plans Krupps winning model included Frank Zaics 1938 Yearbook plan reproduced along comments about design Dr D B Mathews Old-Timers column June 1986 Model Aviation article revived interest design successful contest gas models 1 930s parasol high-wing mount no fuselage cabin such Joe Kovel Charlie Grants famous KGs Maxwell Bassetts Miss Philadelphia VI Chet Lanzos Record Breaker Krupps design prettiest type its graceful lines also has sailplane-like proportions felt its long wing would make good RC soarer Since Kyosho Electric Airplane Prop Drive Unit 360 PT LeMans motor gear drive special 9 x 8 prop available decided build Krupps airplane Electric antique climbing gliding hopefully soaring sport flying result model has become favorite fun flier have become hooked Electric flight because challenge achieving enjoyable-length flight limited power available Ni-Cd batteries same challenge faced builders rubber compressed air C02 other stored-energy models Electrics its back old rubber-powered design basics get best out limited energy available larger ratio stored energy source motor Ni-Cds rubber etc total airplane weight longer higher model will fly goal have structure light possible yet strong December 1993 105 Six-foot-span model three-fourths size original Parasol-mounted wings popular gas-powered models Bowden winner rib frame spacings scale 1930sthey supposed stable Front view uncovered structure shows removable motor-radio unit fits fuselage Frame-and-covering structures very strong weight Light weight important Electric models Removable tail surface Note original smaller rudder area Hinge line later moved forward enough support power devices weight frame-and-covering construction used old gas rubber models light strong hence antique gas models make good subjects climb-and-glide Electrics calculations showed 3/4-size model would about right 05 motor Krupps basic airframe structure followed using scale rib fuselage frame spacing Modifications included adding RC control surfaces structural efficiency needed Electric powers extra weight Radio motor battery access problem frame- and-covering fuselage lacks flush-mounted high low wing give access opening wing removed decided make nose section detachable strong spar running back through fuselage radio system heavy motor battery attached has worked well disconnecting control rods servos through small hatch removing two screws firewall complete motor radio unit can removed servicing disadvantage motor battery cannot changed quickly using precharged battery packs continuous flying problem usually fly other models battery airplane being recharged complete six-foot-span airplane landing gear weighs 15 ounces motorradio unit removed CONSTRUCTION step-by-step construction sequence beyond scope article Given drawing experienced builders will build model utilizing own methods General Builders rubber-powered contest models excel building strong light structures try use some tricks Use light contest grade 4-6 lb/cu ft balsa sheet wood parts hard balsa longerons wing spars medium-to-light wood rest structure Before starting construction sort balsa three four piles weight using heaviest normally hardest strongest wood fuselage nose near center wing tail surfaces lightest toward rear tips White glue used practically wood joints am allergic cyanoacrylate CyA glue would have faster probably lighter recently tried Hot Stuff UFO glue no problems would use building model now Build complete model before covering will much easier make fit removable unit control rods Fuselage I use perfectly fiat building board covered Homosote house wallboard soft takes pins nails well Cover plan plastic wrap Continued page 110 Motor size type Geared 05 Electric Number channels Three Flying weight 41 ounces Construction Built-up Covering/finish Silk/Nitrate dope 106 Model Aviation vable motor-radio unit easily removed servicing Radio equipment attached strong spar Front view fuselage motor-radio assembly removed Assembly held place two screws two dowels Bottom view servo access door open Pushrod clips easily disconnected rudder elevator servos Type RC sport Wingspan 72 inches GEITOR RIC Products Inc SOFT-N-SAFE ENGINE MOUNTS Soft Mount using special serrated lao-Damp Grommets Engine always safely retained Very effective vibration reduction dramatic decrease engine shake Light machined aluminum beam mounts 60 2-strokes 1204-strokes available Also available aluminum radial mount 60 2-strokes Soft-N-Safe 120 beam mount complete . $3495 Soft-N-Safe 60 beam mount complete 95 SoftN-Safe 60 radial mount complete 5 Soft-N-Safe Replacement Iso-Damp Grommets Pkg 4 60$295 Pkg 4 120$595 RADIAL ISO-MOUNTS Conventional backplate type mount using four Lord-Type 60-Duro isoMounts Optimized lowest vibration transmission airframe reduced engine shake Radial Iso-mount complete $1495 Iso-Mounts Package 4 $995 5/8 diameter x 1/2 long 8-32 female end 8-32 x 1/2 male other end 60-Duro rubber Provides solid support br accurate building Rugged 7-ply aircraft plywood construction Two sizes available Regular fuse up 6-1/4 wide Jumbo fuse up 9-1/4 wide Use building board base mount Uni-St rut Guide Rails versatile set-up Contains hardware & instructions including Uni-Strut information Box 4 Standard Jig Stations $2195 Box 4 Jumbo Jig Stations 2395 2 Five Ft Guide Rails & Mounting Nuts . $2295 GLASS CLOTH 7 oz/Sq Yard est Filling est Weave Lightest Finished Weight Includes Detailed Instructions Big 3 Square Yard Pkg $895 G6TO1I R/C Products Inc 3713 Pompano Drive Pensacola FL 32514 904/494-0203 904/494-0207 VISA/MasterCard Welcomed $4 00 per item SH esidents add 6% Tax 110 Model Aviation en/Weaver Continued page 106 waxed paper Use one-inch-long 16-gauge brads along longerons hold place over plans front half longerons 1/5 x 3/ts longeron doublers nose should soaked hot water allowed dry brad jig before uprights added will eliminate tendency longerons force sides out shape removed building board dont try build fuselage side atop other using large wood sizes instead make first side make two upright After removing glued first side replace brads original holes Add two longerons doublers glue already made uprights longerons have same crosssection should uprights will fit snugly assuring second side identical first protractor-guided hand sanding block device can big help make uprights diagonals have neat snug fit longerons pieces can cut slightly long few swipes sanding block will make fit perfectly lower opening FU-2 motor battery cooling air will exit through louvered servo door covered window screen keep out anything might blow fuselage landing taking off upper opening directs cooling air speed-control cooling fins Note lower longerons cut away clear hardwood landing-gear attachment blocks used bamboo tail skid bit bamboo seems appropriate antique formed over 3/4-inch-diameter dowel using heat gun certain point bamboo gets hot will soften like plastic held until cools shape becomes permanent Bend shiny side outward small door just front stabilizer allows rudder control rod taken out fuselage cut free two sides after covering allows covering act hinge long side servo access door also uses covering hinge thrustline shown scale centerline original Brown Jr engine raised gear box offset might appear Wing wing structure different original except scale rib spacing Bob Kopski s taperedstrength spar system used strength lightness see About Electrics Part 8 April 1984 Model Aviation Two t/s-square turbulator spars used instead sheet-covered leading edge laminated tips soaked hot water pulled around form least inch thick Use few inches excess length thumbtack ends dry paint white glue attach form again used scrap 3/ fir plywood bandsawed contour forms traced sheet parts inexpensive tracing paper stick balsa sheet templates rubber cement After sheet part cut template made paper tracing can peeled off leftover rubber cement will rub off part template thin plywood preferably aluminum template made rib W-2 full set identical ribs can cut spar notches can enlarged become ribs A-3 A-4 suit assembly Drive brad through template near leading trailing edges backing up wood will leave toothed perforation will keep template slipping W-5 plywood rib reinforcement ties wire mount attachment CI-IPNTMAS SAl 11 WINGSPAN 136 POWER 1-25 OlD 4550 LUS Balsa snd ply construction Fiberglass cowls scoops jriberglass fuselage wing center section gear doors 90 2 cid 27 lbs orsners firewalls retract rails etc installed Fiberglass Scale 95 Sport scale 105 stretched wing Istabilizer cowlings complete hardware includes KIT REG $495 SALE $425 till 12/31 Itailgear tire fuel tanks bar stock spinner domes lug-in wing hdwe Robart retract package avail direct E PRICE.KIT AND RETRACT P10 COMBO $1795 ICHRISTMAS SALE! leading trailing edges spars thus whole wing spars turbulator strips cracked allowed naturally bend down up tips Dampen top spars last W-2 rib assist Make wire wing mount parts accurately possible 1/32 X bracing tacksoldered front rear struts Bind joints fine wire used lamp-cord strands will little floppy first pieces added will assume its finished shape Some wrappings will have rewound accommodate added parts mount holding together wire wrappings set piece wood simulate fuselage Pin tape front rear struts wood hold bottom alignment wing-rubber attach hooks shaped allow wing cam itself off release rubber bands tip hits crash Slide hooks up snugly three-inch-wide piece will align wing fuselage dont want slop everything looks square start soldering Use 4% silver 96% tin highstrength silver soldermade Kester Stay-Briteboth landing-gear joints After soldering attach three-inch-wide piece fine emery cloth wood piece Rub mount forward back until wrapping wire solder bumps smoothed off four small smooth flats will sit rocking fuselage wear plates mount can now attached wing leading trailing edges should fit perfectly giving wing incidence 4O necessary bend top ends struts parallel wing parts Check wing 9O fuselage before final gluing 1/16 sheet added around wire exits wing gluing area aid covering also purpose 1/8 caps wing center line covered wing including wing mount weighs 7 ounces Tail surfaces stabilizer fin use same construction methods wing elevator rudder very light contest-grade balsa sheet eliminate warps simplified construction diagonals added fin covering bowed hinge line Robart Mini Hinge Points light easy install allow surfaces move easily friction Dont glue until after covering hidden elevator horn little complicated hard make appears paper Motor RC Unit removable nose radio-battery spar unit should accommodate geared 05 motors radio receivers Adjust elevator travel /s inch rudder travel 1 es measured trailing edge motor battery held spar wrapping 3A6 rubber-model motor strip used 16-gauge SR highflex wire Sermos connectors wire motor battery exact location battery determined model balanced Fit wiring neatly place hold spar wrappings 1/2-inch-wide Scotch Magic tape plans show following radio battery equipment Tower 500 standard-size receiver two Tower TSS-10 microservos Tower TSS-20 miniservo operate motor toggle switch SR Series 150 175 mAh receiver battery SR EP Max Pack Series 1200 six-cell motor battery resulted flying weight 44 ounces After plans completed installed Futaba Attack 4NBL-E radio THE LEADER IN COM PETITION NEW 4 NEW HIGH TECH AIRFOIL SECTION 10T020% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 534 634 72833456 8334568 84566147 94566A77/ 104566147 106W8W 106EW 1146774778 115W 116EW 1167 124W 125W 1256 1356 1456 1556 164N 16678 RC PYLON RACING SERIES 500 DIA PITCH 75N 5N 8I6778 SERIES 400C 866777 9777 W WIDE BLADE EW EXTRA WIDE N NARROW December1993 111 OS6NFD PROPELLERS A CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DE VELO P ED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIAPITCH THP 1266778 136778 146778 1567 16678 PRO SERIES 3 LI 11 Money Back Guaranteed 115S5251 * mcrsrt VA\NI0TR suoras VMNE AMAILABIL tor 2-Cycle 40 & up & 4-Cycle 50 & up Smoker Preheaters Are Twice As Effective As Head Coils MAKES CALL 1-912-367-0567 GREA TVisa Mastercard & HOLIDA Y American Exyress GIFTAccepte CENTURY JET MODELS INC 5 Martha Ct Sumter SC 29150 803 775-6491 RETRACT SELECTOR SPEED CONTROL VALVE 8305 Regency Woods Way Louisville KY 40220 502 491-4114 Four Infinite Adjustment Screws 2 Up 2 Down Compatible air system Dim 3/8 s 1 s 1-1/4 $2495 Wt 15 oc Semi & Deluxe Ducted Fan Jet Kits Eposy fiberglass fuselage canopy foam wings plans/ instructions Intake/Eshaust System esc F-i 00 F-100 Hun basic kit $18999 1/8 Scale 50 Removable Wings Length 63 Sport Hawk MK II basic kit $18988 Easy build Removable wing Length 59 F-lOS Thunderchiet basic kit $23900 Length 73 77-91 Engine No Cheater Hole F-4 Phantom basic kit $59900 HEW f/7 Scale Twin Engine Aileron/Spoiler Config Length 90 Removable 61 Wings LE/TE flaps Deluxe kit DC wood I/B pylons CP kit plus morel Landing gear tires brakes available [AMP] AMERICAN MODEL PRODUCTS Inc RT 3 BOX 37 BAXLEY GA 31513 Fax9123673577 COMPARE OUR RETRACTS TO THEIRS Stainless Struts cut FREElComplete Air System Stainless Torque LinksAsle Installed Different strut configurationsParts Service * 1 Year Limited Warranty 30 Day Refundt GIANT MAIN RETRACTS STANDARD OR 900 ROTATE 30-50 lb aircraft 2 sets 1 Standard 900 minutes 700 1100 retract angle Over-center lock down Hose gear available $27500 pair WI 15 lbs 1/5 SCALE MAIN RlMAuI STANDARD OR 900 ROTATE Fits PICA Skys P-Si 1/5 Yellow A/C Ziroli Bud Nosen plus Choice 01 91 Plyon Winners Handles 20-25 lb aircraft 84097 retract angle Positive lock up lock down Optional wire struts Nose gear available $19900 pair Wt 22 oz NEW 1/5 SCALE P-51 & SPITFIRE products proudly MADE IN THE USAI THE GREATEST RIC VIDEOSEVERPRODUCED Most Comprehensive Coverage Major DnciedFan Scale Events Join TELSTAR VIDEO take Back Best prestigious event scale aviation 5 full days 3 broadcast cameras captured alt 2 volume set runs tncredible 2 hours 45 mInutes Only $29 99 action excitement Dont miss out comprehensive coverage svailable TELSYAR VIDEO PRODUCTIONS INC fliIEiE 01 SE Decker Ave Suite 109 Stuart FL 34994 800 972 4847 Fax 407 220 4849 ALSO AVASLABLEORDERING tNFORMATION Visa MasterCard checks mosey orders accepted TOP GUN 92FLYING WITH THt ItST $189910% Disceunt ordering two 4TH ANNUAL JtTS OVER StLANO$2495the shove programs Shipping US Canada GIANTS OFTHt SKY-VOLUMt 1$2495and Mexico $250 first tape $150 ea addi tional tape Europe $650 order 10TH ANNIV GREATER SW FAN FLY$2495Europe call 407 286-2535 Add $5 per tape TOP GUN UK$2495for PAL/SECAM orders Florida residents please add 6% sales tax system has combination receiver-speed control two miniservos Since receiver operates motor battery eliminates receiver battery speed control eliminates motor-shutoff toggle switch its servoThis installation saved three ounces models flying performance enhanced also eliminated concem small receiver battery used because light would exhausted after several long flights receiver-speed control combo mounted cooling air speed control shown fuselage side view Two Futaba aileron extensions can used connect receiver servos Covering antique effect model covered red heavyweight silk three coats clear nitrate dope requires two square yards covering material have using Coverite Balsarite attach silk tissue since got some use Micafilm Balsarite hotmelt quick-drying liquid brushed framework covering adhered Its advantage over use dope glue attaching using model sealing iron covering can tacked place spots around edges tacks can softened iron covering restuck pull out slack wrinkles silk smooth can permanently ironed down around edges wing covering slit fit around wing mount wires silk sprayed water shrink tight doped Dope will loosen Balsarite best substitute silk Micaflim very tough almost light silk has translucent appearance much same doped silk tissue BACKYARD MICRO FLYERS PROFILE/SCALE BUILD TO FLY OR DISPLAY W35IIU Albatros Dt Fokker DVII tnk Triplane SR 5A snpwlth comet SPAD 8alsa Print Wood 6-8 Wing Spans Price 52w $250 en Money OrdeeOly Nucolyrt NSa enido5s add oter tar P4P Witdmt t6F HeSeat FW-t95A Haw Hunicane Heinket HetlI trackers IU-8f S MS-SD ME 262 Mit Zeae P470 Thandenbati P-555 Martang Spidlee Fantasy Flyers LOans 430 Pantsingvitle NY 11738 112 Model Aviation lable colors Use ____________________________________________________________[v32][b2235120191200]] same covering technique Balsarite given above silk wing perfecfly flat usual _____ 1930s lack washout has given no tip stall troubles Final Assembly 1A2 plywood wing mount wear pads stabilizer trailing edge reinforcements attached after covering attaching lower stabilizer reinforcements line up rudder-stabilizer assembly airplane centerline place snugly against fuselage act aligmnent keys attaching removing tail assembly Adjust battery spar make model balance point shown install motor-radio unit servo access door taped open fuselage held vertically radio antenna dropped until its end reaches door fuselage tilted ____________________________________________________________[v32][b21361183191500]] antenna end comes out ____________________________________________________________[v32][b21361212191200]] door Continue lower unit --engage spar end FU-4 support Engage nose firewall two /8 locating dowels slip nose place Install two 4-40 screws antenna can stuffed its tube two control rod links attached servos door closed use six-inch piece 047 music wire 3/s-inch 900 bend end tool open links supporting servos fingers support under links closing use six-inch length 1/4 brass tubing 3/ length flattened bent 90g wing held three #33 rubberbands wing struts front rear stabilizer three #32 Continued page 126 BJ FLOATS FULLY FORMED STYROFOAM FLOATS READY FOR FINISHING ____ MOUNTING BLOCKS AND INSTRUCTIONS INCLUDED - vO MODEL MAGIC PRODUCTS INC PO BOX 19784 ST PAUL MN 55119 612/653-9548 December1993 113 -SAFETY EUUIPMEJVT FOR TODAYS FLYER UNCONDITIDIIAL MLINEe BACK EDARA P1 TEE TRY Il IF YDIJ DOlIT LIKE IT WELL BUY IT BACK! ir Lduncher 5Ui & Pit Cr2wT DESIEAIED WITH ENOLJEH STRENETH TO151 LW CIPINION ITS PRODUCT WHOSE TIME HAS COME SAFELy HOLD MOST SPORT THRIJ I5IANTTHAT SHOULD BE CONSIDERED BYEVERYAMA SCALE PLANESED FIELD GARY SHA W -SAFETY COLUMN MODEL AVIATION AUGUST 1993 ELIMINATE RUN-A-WAY PLANES HOL DINE SLIPPERY FIJSELAI5ES PREMATURE RELEASINIi AND COMMUNICATION PROBLEMS ARM5 ARE FREE-FL DA TINE AND AUTOMATICALLY LOCK IN LJPRII5HT POSITION FOOT PEDAL IS IJSFIJ FOR E-Z ONE STEP RELEASE 0 Wo*Jqg Togetha 6...AI VIA z Industry Associate lIlIES FULLY ASSEMBLED THREE VERSIONS AVAILABLEINCLUDES FOUR ID INCH HOLD BIE BIRD7 7DOWN STAKES FOAM CUSHIONINE SPORT PLANEEALL TIJUA yFOR PROTECTION OF THE LEADINE EDEE AND SAFETY PEDAL STOP CDNTRDL LINEDEALER INDUIRES WELCOME Designed Change Wag People Fly 58DB LANCELOT CT SW OLYMPIA WA RB5I WE ACCEPT auncher Lu BOB 7BE-B4EI OR FAX BOB RSE-3419MASTER CARD AND VISA 2 order call Eric Sanders 513-299-7684 5 pm-b pm EST Monday-Friday day Sat Sun CAD airfoil editor-move coordinatea wlmouse create new points round Out leadiry undo mode 64x zoom pan mode coordinate ID mode shows current cursor position etc S Easy use mindowing interlace Pop up test editnr document airfoil changes-saved mith coordinates ulates elliptical planform rib lengths Chord queue allows templates several chord lengths printed oat unattended edit coordinates Pop-up calculator conversions s foam outline screen optimize template height Customizable screen colors are airfoils screen printer using overlay mode ts mirror image Calculates panel volume & surface area aide weight ostimationse Supports dot matrix laser iet printers Calculates prolected panel area airfoil cross sectional area perimeter length tion negative washout Modily airfoils changing camber thickneasmirroring combining tops bottoms different airfoils Interpolates between different root tip airtoils position within wing panel uts DXF file Both scaled unscaled hi-rca screen preview modes her\Cut minI calculator much much more. Remember wine accurate temolates CompuFoil Profeseional-$65 Airfoil Library w1135 airfoils-SlO S&H add $3 Also available-CompuFoil Standard-$25 CompuFoil Plus-$45 Demo Disk-$5 refundable order wIpe compatabillly product ordering information 3904 Traine Dr Kettering OH. 45429 279/Ill IFXOOIO8/bSc/8ls/ 03 k 1 IZES AVAILABLERETAIL 282399 322599 362999 403199 483699 564999 PLOATS WITH BALSA PaR SHEETING 283499 324199 364699 405299 485899 Custom Cradles Feature Custom molded gray tubing--no ugly fittings Special neoprene foam--impervious fuel oil Folds easy storage Custom design built last Ready use--no building Easily adjusted G9C44 eWSIm ~O4faC4 3177 East Fofl Loweil Road #1 Tucson Arizona 85716 Call today order 1 -800-CRADLE-a 272-3530 - AI -4rflO Taft Boy Custom Cradtaa Tail Boy Large25 tall 28 long 5 B wide fuselage-$4090 Tall Boy Standard32 tall 22 long 3o 5 wide fuselage---$3890 .Tail Boy X-Large--26 tall 28 long 8to 12 wide fuselage--$4290 F --AL l3et l\I5vq EVEEa TIVao&RLtIL -I mm ZZx Boy Custom Cradles Lo Boy Standardi 0 tall 22 long 3 5 wide tuselage- $2490 Boy Large14 tail 28 long 5to 8 wide fuselage $2890 Lo Boy X-Large--16 tall 28 long 8to 12 wide fuselage- $3190 VINTAGE P/C PLANS CPRRVIOUSLY SID MORGAN NEW OWNER-FRED NOVACI 5105 PINE HILL CIRCLE HOWELL MICH4 8843 __ L - CUIG77SS-WRIGtIT T-32 CONOOR IENGS 40-60 PLAN NO 08 RC B I&95 PLUS $395 USue $75 FORuC MANY MORE 1993 CAIALOGE $200 US 300 P0 W1 ON COWERS PIPER PRY-GA WACO SICNSON FAIRCHILD FIESELER Fl 156 C3 STO NCR MGA PILOTS FLY THE WORLD OVER m 98 enterprises po box 5631 tresn CO 93755 tel 209 224-4170tax 209 224-7289 Scale plans adding panel lines rivets also uses method check size placement markings Hal Winters baffled us slide-show questionnaire included model personalities aircraft model aircraft aviation personalities other trivia whole affair blast hope see type BowdenlVleaver Continued page 113 rubber bands side FLYING model clean sailplane drag landing gear wing struts large frontal area necessitate additional power achieve reasonable climb Use hotter 05 motors LeMans 360PT motor draws 23 24 amps about 140 watts during useful run about 31/2 minutes allows two climbs well above usual sailplane winch-launch height still air will average eight-to-nine-minute flights has good glide will soar well lift characteristics highwing parasol model tendency slow responding rudder control both going out turn During test flights found model needed rudder area reason rudder hinge line moved forward inch giving rudder area model now easily kept under control very stable longitudinally present after five summers flying am using wing incidence balance point shown plans social function again Nats Its time start building next years entries understand bounty Steve Ashby next years Nats anyone out can beat him Sport Scale will national champion fifth year row challenge has made See Texas ls strength tested during first trial flights radio motor speed control tested perfectly during ground checks air constant glitching control being erratic motor cutting off made several lucky flights safe landings nothing did radio motor speed control helped Finally tb model made full-rudder spiral di ground hitting nose wing tip wing flew off designed damage wingtip bent landing gear prop shaft few small dents nose cowl hit hard enough cause motor battery move forward 3/ inch though tightly rubberbanded motor spar could moved hand gave up speed control tried servo-operated on-off motor switch radio problems disappeared speed control necessary climb-andglide flight anyway condemn speed controls general know work perfectly probably something peculiar radio motor setup should have worked out During subsequent flying 126 Model Aviation WAFFE USAAFSTATE-OF-THE-ART PILOTS WWI AVIATOR 52495us WWII USAAF 52995 114 W W II N V Y 2495 WWII LUFTWAFFE 2995 CIVISPORT 2495 I/S JET TOP GUN 29951/9 WWII JAPANESE 1995 AVAILABLE AT YOUR LOCAL HOBBY DEALER OR DIRECT P&H $350 PER PILOT F RES ADD SALES TAX SEND SASE FOR COLOR BROCHURE 5 I Join Giants Help Promote iLJEfNon-CompetitiveI EUIJ _______ InIrpIonaI MoaIu.J*nca11 AccaIon IMAA membership includes quarterly magazine High Flight IMEMBERSHIP APPLICATiON IJ NEW RENEWAL Date19I Yearly Dues $1500 USA $2000 US Canada & Mexico $3000 US Elsewhere I Make CHECK MONEY ORDER Payable INTERNATIONAL MINIAlURE AIRCRAFT ASSOCIATION INC I Name ______________________________________ Ph _________________________ I Street ______________________________________ P0 Box/Route Box ________________ I ________________________State/Province _________________Zip _________________ 1City IMAA __________AMA Number ___________MAAC __________Chapter __________ L TO IMAA Secrotary DONE VINEYARD e 205 HilIdole Road na KS 67401 mmI occasion put model long vertical dive wires whistling get out strong thermal about make disappear overhead no fluttering wing survived dive pullout okay Fine trimming get maximum climb glide can go forever its part challenge wing incidence can increased shimming under front struts wing can also moved fore aft Adjust until get best glide angle elevator trim neutral model may require slight up down elevator trim get best climb Since no down right thrust used original find need about right trim rudders trailing edge control torque under full power CL SpeedlLee Continued paqe 73 feeling low Grandpa used instant glue fiberglass model back flying condition Mike put up three official flights fastest being 13378 score won first place Junior barely ahead Peter Brown 13318 Three Seniors tried fly David Van Allen Chandler Arizona get official time Dave came Nats Slugger Brown other Staten Island Speed Team members helping him Open fliers airplanes powered variety engines Aloise Team using two ACE engines Carlos built last year Some changes necessary use model SAM competition Make rudder elevator open-frame construction like fin stabilizer sheet wood shown Remove turbulator spars sheet wing 1 es behind leading edge Sheet wingtips rib W-l outward sheet center section three inches out centerline encourage power fliers try soaring like lot sports look boring spectator exciting participant Electric power quiet clean way get soarer either antique sailplaneup thermal-finding height perfect way go us old free flight thermal chasers losing wide open spaces young legs us Rossis 0S Nelson engine Aloise Team Tommy Brown Frank Garzon first second third until Connie Aloise showed up arrived late after flying Evansville Indiana Carlos picked up Carlos processed airplane morning Connie started engine required rules Slugger flew her first flight new 21 Sport Speed record 15244 backup flight same speed clinched record well first place Connie uses two ACE engines seems develop massive amounts power lower rpm During flight engine much quieter others believe using larger prop rest us December 1993 127 ALES INC Fiberglass Headquarters * BUY DIRECT * Super Bond 5 mini Epoxy Epoxy Laminating Resins Cyanoacrylate Adhesives es ective Hand Creams Masks Aprons- Polyester Resin al Sprayer Laminahng Brushes ers Acetate- Fiberglass Fillers Tongue Depressors Wood Mixing Paddles sive DiscsSandpaper Foam Brashes- Fine-Weave Medium Hesoy Weight Cloth ar on Fibers TECHNICAL INFORMATION kexier tepee cerbon fiber tapo & CAUTOLL FREE xerbon fiber trend avoilable tI WI OIl IL Nt 1-800-589-4444 18621 E Nine Mile Road Esstpointe Michigan 48C21 313 777-2032Fax 313 777-0350 R/C BEGINNERS hobby loses about bait Its potential fliers because fail successfully solo IT ISNT THEIR FAULT ITS THE PLANES FAULT just some rn advertised trainers impossible tor average beginner solo seems norm crash ruin 4 5 planes before becctming successful both stupid costly mention real turn-oft new student quite unnecessary YOU COULD SOLO YOUR FIRST TIME UP Thanks extensive trainer flighttesting ever conducted hobby can now know advance ones fly slow hands off stable easy enough Grandma lust so-so intermediate Which ones deserve trainer label Send $350 plus 520 postage EASE-OF-FLYING RATINGS OF R/C TRAINERS Over 40 currently available train ers evaluated including ARFs Also grades easeof-building explains trainer aerodynamics dares address questions poor trainers good trainers marketed does no warn about Guarantee Yosr money back yos say eye-opening candid enlight ening time-saving money-saving frustration sparing R/C publication have ever read Send chock money ardor Jim Waterman 3818 Deerfield Dr San Antonio TX 78218
Edition: Model Aviation - 1993/12
Page Numbers: 104, 105, 106, 110, 111, 112, 113, 126, 127
NO OCR TEXT 1937 Wakefield International contest free flight rubber- powered models held England Sunday August 1 1937 event won Emanuel Fillon France However American Wakefield team Alvie Dague Dick Bodle Herb Fish Frank Zaic Henry Struck did come home emptyhanded Bowden International Trophy contest gas-powered models won next day Herb Fish flying model designed built Carroll Krupp Akron Ohio Bowden event timed duration type based complex set rules involving appearance model timed flight 45-90 seconds controllability stability plane ability take off land undamaged end scheduled flying four fliers including Herb Fish tied first place flew another round two fell shortleaving Herb Fish Englishman next round English plane landed little hard bent its landing gear American plane won Plans Krupps winning model included Frank Zaics 1938 Yearbook plan reproduced along comments about design Dr D B Mathews Old-Timers column June 1986 Model Aviation article revived interest design successful contest gas models 1 930s parasol high-wing mount no fuselage cabin such Joe Kovel Charlie Grants famous KGs Maxwell Bassetts Miss Philadelphia VI Chet Lanzos Record Breaker Krupps design prettiest type its graceful lines also has sailplane-like proportions felt its long wing would make good RC soarer Since Kyosho Electric Airplane Prop Drive Unit 360 PT LeMans motor gear drive special 9 x 8 prop available decided build Krupps airplane Electric antique climbing gliding hopefully soaring sport flying result model has become favorite fun flier have become hooked Electric flight because challenge achieving enjoyable-length flight limited power available Ni-Cd batteries same challenge faced builders rubber compressed air C02 other stored-energy models Electrics its back old rubber-powered design basics get best out limited energy available larger ratio stored energy source motor Ni-Cds rubber etc total airplane weight longer higher model will fly goal have structure light possible yet strong December 1993 105 Six-foot-span model three-fourths size original Parasol-mounted wings popular gas-powered models Bowden winner rib frame spacings scale 1930sthey supposed stable Front view uncovered structure shows removable motor-radio unit fits fuselage Frame-and-covering structures very strong weight Light weight important Electric models Removable tail surface Note original smaller rudder area Hinge line later moved forward enough support power devices weight frame-and-covering construction used old gas rubber models light strong hence antique gas models make good subjects climb-and-glide Electrics calculations showed 3/4-size model would about right 05 motor Krupps basic airframe structure followed using scale rib fuselage frame spacing Modifications included adding RC control surfaces structural efficiency needed Electric powers extra weight Radio motor battery access problem frame- and-covering fuselage lacks flush-mounted high low wing give access opening wing removed decided make nose section detachable strong spar running back through fuselage radio system heavy motor battery attached has worked well disconnecting control rods servos through small hatch removing two screws firewall complete motor radio unit can removed servicing disadvantage motor battery cannot changed quickly using precharged battery packs continuous flying problem usually fly other models battery airplane being recharged complete six-foot-span airplane landing gear weighs 15 ounces motorradio unit removed CONSTRUCTION step-by-step construction sequence beyond scope article Given drawing experienced builders will build model utilizing own methods General Builders rubber-powered contest models excel building strong light structures try use some tricks Use light contest grade 4-6 lb/cu ft balsa sheet wood parts hard balsa longerons wing spars medium-to-light wood rest structure Before starting construction sort balsa three four piles weight using heaviest normally hardest strongest wood fuselage nose near center wing tail surfaces lightest toward rear tips White glue used practically wood joints am allergic cyanoacrylate CyA glue would have faster probably lighter recently tried Hot Stuff UFO glue no problems would use building model now Build complete model before covering will much easier make fit removable unit control rods Fuselage I use perfectly fiat building board covered Homosote house wallboard soft takes pins nails well Cover plan plastic wrap Continued page 110 Motor size type Geared 05 Electric Number channels Three Flying weight 41 ounces Construction Built-up Covering/finish Silk/Nitrate dope 106 Model Aviation vable motor-radio unit easily removed servicing Radio equipment attached strong spar Front view fuselage motor-radio assembly removed Assembly held place two screws two dowels Bottom view servo access door open Pushrod clips easily disconnected rudder elevator servos Type RC sport Wingspan 72 inches GEITOR RIC Products Inc SOFT-N-SAFE ENGINE MOUNTS Soft Mount using special serrated lao-Damp Grommets Engine always safely retained Very effective vibration reduction dramatic decrease engine shake Light machined aluminum beam mounts 60 2-strokes 1204-strokes available Also available aluminum radial mount 60 2-strokes Soft-N-Safe 120 beam mount complete . $3495 Soft-N-Safe 60 beam mount complete 95 SoftN-Safe 60 radial mount complete 5 Soft-N-Safe Replacement Iso-Damp Grommets Pkg 4 60$295 Pkg 4 120$595 RADIAL ISO-MOUNTS Conventional backplate type mount using four Lord-Type 60-Duro isoMounts Optimized lowest vibration transmission airframe reduced engine shake Radial Iso-mount complete $1495 Iso-Mounts Package 4 $995 5/8 diameter x 1/2 long 8-32 female end 8-32 x 1/2 male other end 60-Duro rubber Provides solid support br accurate building Rugged 7-ply aircraft plywood construction Two sizes available Regular fuse up 6-1/4 wide Jumbo fuse up 9-1/4 wide Use building board base mount Uni-St rut Guide Rails versatile set-up Contains hardware & instructions including Uni-Strut information Box 4 Standard Jig Stations $2195 Box 4 Jumbo Jig Stations 2395 2 Five Ft Guide Rails & Mounting Nuts . $2295 GLASS CLOTH 7 oz/Sq Yard est Filling est Weave Lightest Finished Weight Includes Detailed Instructions Big 3 Square Yard Pkg $895 G6TO1I R/C Products Inc 3713 Pompano Drive Pensacola FL 32514 904/494-0203 904/494-0207 VISA/MasterCard Welcomed $4 00 per item SH esidents add 6% Tax 110 Model Aviation en/Weaver Continued page 106 waxed paper Use one-inch-long 16-gauge brads along longerons hold place over plans front half longerons 1/5 x 3/ts longeron doublers nose should soaked hot water allowed dry brad jig before uprights added will eliminate tendency longerons force sides out shape removed building board dont try build fuselage side atop other using large wood sizes instead make first side make two upright After removing glued first side replace brads original holes Add two longerons doublers glue already made uprights longerons have same crosssection should uprights will fit snugly assuring second side identical first protractor-guided hand sanding block device can big help make uprights diagonals have neat snug fit longerons pieces can cut slightly long few swipes sanding block will make fit perfectly lower opening FU-2 motor battery cooling air will exit through louvered servo door covered window screen keep out anything might blow fuselage landing taking off upper opening directs cooling air speed-control cooling fins Note lower longerons cut away clear hardwood landing-gear attachment blocks used bamboo tail skid bit bamboo seems appropriate antique formed over 3/4-inch-diameter dowel using heat gun certain point bamboo gets hot will soften like plastic held until cools shape becomes permanent Bend shiny side outward small door just front stabilizer allows rudder control rod taken out fuselage cut free two sides after covering allows covering act hinge long side servo access door also uses covering hinge thrustline shown scale centerline original Brown Jr engine raised gear box offset might appear Wing wing structure different original except scale rib spacing Bob Kopski s taperedstrength spar system used strength lightness see About Electrics Part 8 April 1984 Model Aviation Two t/s-square turbulator spars used instead sheet-covered leading edge laminated tips soaked hot water pulled around form least inch thick Use few inches excess length thumbtack ends dry paint white glue attach form again used scrap 3/ fir plywood bandsawed contour forms traced sheet parts inexpensive tracing paper stick balsa sheet templates rubber cement After sheet part cut template made paper tracing can peeled off leftover rubber cement will rub off part template thin plywood preferably aluminum template made rib W-2 full set identical ribs can cut spar notches can enlarged become ribs A-3 A-4 suit assembly Drive brad through template near leading trailing edges backing up wood will leave toothed perforation will keep template slipping W-5 plywood rib reinforcement ties wire mount attachment CI-IPNTMAS SAl 11 WINGSPAN 136 POWER 1-25 OlD 4550 LUS Balsa snd ply construction Fiberglass cowls scoops jriberglass fuselage wing center section gear doors 90 2 cid 27 lbs orsners firewalls retract rails etc installed Fiberglass Scale 95 Sport scale 105 stretched wing Istabilizer cowlings complete hardware includes KIT REG $495 SALE $425 till 12/31 Itailgear tire fuel tanks bar stock spinner domes lug-in wing hdwe Robart retract package avail direct E PRICE.KIT AND RETRACT P10 COMBO $1795 ICHRISTMAS SALE! leading trailing edges spars thus whole wing spars turbulator strips cracked allowed naturally bend down up tips Dampen top spars last W-2 rib assist Make wire wing mount parts accurately possible 1/32 X bracing tacksoldered front rear struts Bind joints fine wire used lamp-cord strands will little floppy first pieces added will assume its finished shape Some wrappings will have rewound accommodate added parts mount holding together wire wrappings set piece wood simulate fuselage Pin tape front rear struts wood hold bottom alignment wing-rubber attach hooks shaped allow wing cam itself off release rubber bands tip hits crash Slide hooks up snugly three-inch-wide piece will align wing fuselage dont want slop everything looks square start soldering Use 4% silver 96% tin highstrength silver soldermade Kester Stay-Briteboth landing-gear joints After soldering attach three-inch-wide piece fine emery cloth wood piece Rub mount forward back until wrapping wire solder bumps smoothed off four small smooth flats will sit rocking fuselage wear plates mount can now attached wing leading trailing edges should fit perfectly giving wing incidence 4O necessary bend top ends struts parallel wing parts Check wing 9O fuselage before final gluing 1/16 sheet added around wire exits wing gluing area aid covering also purpose 1/8 caps wing center line covered wing including wing mount weighs 7 ounces Tail surfaces stabilizer fin use same construction methods wing elevator rudder very light contest-grade balsa sheet eliminate warps simplified construction diagonals added fin covering bowed hinge line Robart Mini Hinge Points light easy install allow surfaces move easily friction Dont glue until after covering hidden elevator horn little complicated hard make appears paper Motor RC Unit removable nose radio-battery spar unit should accommodate geared 05 motors radio receivers Adjust elevator travel /s inch rudder travel 1 es measured trailing edge motor battery held spar wrapping 3A6 rubber-model motor strip used 16-gauge SR highflex wire Sermos connectors wire motor battery exact location battery determined model balanced Fit wiring neatly place hold spar wrappings 1/2-inch-wide Scotch Magic tape plans show following radio battery equipment Tower 500 standard-size receiver two Tower TSS-10 microservos Tower TSS-20 miniservo operate motor toggle switch SR Series 150 175 mAh receiver battery SR EP Max Pack Series 1200 six-cell motor battery resulted flying weight 44 ounces After plans completed installed Futaba Attack 4NBL-E radio THE LEADER IN COM PETITION NEW 4 NEW HIGH TECH AIRFOIL SECTION 10T020% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 534 634 72833456 8334568 84566147 94566A77/ 104566147 106W8W 106EW 1146774778 115W 116EW 1167 124W 125W 1256 1356 1456 1556 164N 16678 RC PYLON RACING SERIES 500 DIA PITCH 75N 5N 8I6778 SERIES 400C 866777 9777 W WIDE BLADE EW EXTRA WIDE N NARROW December1993 111 OS6NFD PROPELLERS A CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DE VELO P ED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIAPITCH THP 1266778 136778 146778 1567 16678 PRO SERIES 3 LI 11 Money Back Guaranteed 115S5251 * mcrsrt VA\NI0TR suoras VMNE AMAILABIL tor 2-Cycle 40 & up & 4-Cycle 50 & up Smoker Preheaters Are Twice As Effective As Head Coils MAKES CALL 1-912-367-0567 GREA TVisa Mastercard & HOLIDA Y American Exyress GIFTAccepte CENTURY JET MODELS INC 5 Martha Ct Sumter SC 29150 803 775-6491 RETRACT SELECTOR SPEED CONTROL VALVE 8305 Regency Woods Way Louisville KY 40220 502 491-4114 Four Infinite Adjustment Screws 2 Up 2 Down Compatible air system Dim 3/8 s 1 s 1-1/4 $2495 Wt 15 oc Semi & Deluxe Ducted Fan Jet Kits Eposy fiberglass fuselage canopy foam wings plans/ instructions Intake/Eshaust System esc F-i 00 F-100 Hun basic kit $18999 1/8 Scale 50 Removable Wings Length 63 Sport Hawk MK II basic kit $18988 Easy build Removable wing Length 59 F-lOS Thunderchiet basic kit $23900 Length 73 77-91 Engine No Cheater Hole F-4 Phantom basic kit $59900 HEW f/7 Scale Twin Engine Aileron/Spoiler Config Length 90 Removable 61 Wings LE/TE flaps Deluxe kit DC wood I/B pylons CP kit plus morel Landing gear tires brakes available [AMP] AMERICAN MODEL PRODUCTS Inc RT 3 BOX 37 BAXLEY GA 31513 Fax9123673577 COMPARE OUR RETRACTS TO THEIRS Stainless Struts cut FREElComplete Air System Stainless Torque LinksAsle Installed Different strut configurationsParts Service * 1 Year Limited Warranty 30 Day Refundt GIANT MAIN RETRACTS STANDARD OR 900 ROTATE 30-50 lb aircraft 2 sets 1 Standard 900 minutes 700 1100 retract angle Over-center lock down Hose gear available $27500 pair WI 15 lbs 1/5 SCALE MAIN RlMAuI STANDARD OR 900 ROTATE Fits PICA Skys P-Si 1/5 Yellow A/C Ziroli Bud Nosen plus Choice 01 91 Plyon Winners Handles 20-25 lb aircraft 84097 retract angle Positive lock up lock down Optional wire struts Nose gear available $19900 pair Wt 22 oz NEW 1/5 SCALE P-51 & SPITFIRE products proudly MADE IN THE USAI THE GREATEST RIC VIDEOSEVERPRODUCED Most Comprehensive Coverage Major DnciedFan Scale Events Join TELSTAR VIDEO take Back Best prestigious event scale aviation 5 full days 3 broadcast cameras captured alt 2 volume set runs tncredible 2 hours 45 mInutes Only $29 99 action excitement Dont miss out comprehensive coverage svailable TELSYAR VIDEO PRODUCTIONS INC fliIEiE 01 SE Decker Ave Suite 109 Stuart FL 34994 800 972 4847 Fax 407 220 4849 ALSO AVASLABLEORDERING tNFORMATION Visa MasterCard checks mosey orders accepted TOP GUN 92FLYING WITH THt ItST $189910% Disceunt ordering two 4TH ANNUAL JtTS OVER StLANO$2495the shove programs Shipping US Canada GIANTS OFTHt SKY-VOLUMt 1$2495and Mexico $250 first tape $150 ea addi tional tape Europe $650 order 10TH ANNIV GREATER SW FAN FLY$2495Europe call 407 286-2535 Add $5 per tape TOP GUN UK$2495for PAL/SECAM orders Florida residents please add 6% sales tax system has combination receiver-speed control two miniservos Since receiver operates motor battery eliminates receiver battery speed control eliminates motor-shutoff toggle switch its servoThis installation saved three ounces models flying performance enhanced also eliminated concem small receiver battery used because light would exhausted after several long flights receiver-speed control combo mounted cooling air speed control shown fuselage side view Two Futaba aileron extensions can used connect receiver servos Covering antique effect model covered red heavyweight silk three coats clear nitrate dope requires two square yards covering material have using Coverite Balsarite attach silk tissue since got some use Micafilm Balsarite hotmelt quick-drying liquid brushed framework covering adhered Its advantage over use dope glue attaching using model sealing iron covering can tacked place spots around edges tacks can softened iron covering restuck pull out slack wrinkles silk smooth can permanently ironed down around edges wing covering slit fit around wing mount wires silk sprayed water shrink tight doped Dope will loosen Balsarite best substitute silk Micaflim very tough almost light silk has translucent appearance much same doped silk tissue BACKYARD MICRO FLYERS PROFILE/SCALE BUILD TO FLY OR DISPLAY W35IIU Albatros Dt Fokker DVII tnk Triplane SR 5A snpwlth comet SPAD 8alsa Print Wood 6-8 Wing Spans Price 52w $250 en Money OrdeeOly Nucolyrt NSa enido5s add oter tar P4P Witdmt t6F HeSeat FW-t95A Haw Hunicane Heinket HetlI trackers IU-8f S MS-SD ME 262 Mit Zeae P470 Thandenbati P-555 Martang Spidlee Fantasy Flyers LOans 430 Pantsingvitle NY 11738 112 Model Aviation lable colors Use ____________________________________________________________[v32][b2235120191200]] same covering technique Balsarite given above silk wing perfecfly flat usual _____ 1930s lack washout has given no tip stall troubles Final Assembly 1A2 plywood wing mount wear pads stabilizer trailing edge reinforcements attached after covering attaching lower stabilizer reinforcements line up rudder-stabilizer assembly airplane centerline place snugly against fuselage act aligmnent keys attaching removing tail assembly Adjust battery spar make model balance point shown install motor-radio unit servo access door taped open fuselage held vertically radio antenna dropped until its end reaches door fuselage tilted ____________________________________________________________[v32][b21361183191500]] antenna end comes out ____________________________________________________________[v32][b21361212191200]] door Continue lower unit --engage spar end FU-4 support Engage nose firewall two /8 locating dowels slip nose place Install two 4-40 screws antenna can stuffed its tube two control rod links attached servos door closed use six-inch piece 047 music wire 3/s-inch 900 bend end tool open links supporting servos fingers support under links closing use six-inch length 1/4 brass tubing 3/ length flattened bent 90g wing held three #33 rubberbands wing struts front rear stabilizer three #32 Continued page 126 BJ FLOATS FULLY FORMED STYROFOAM FLOATS READY FOR FINISHING ____ MOUNTING BLOCKS AND INSTRUCTIONS INCLUDED - vO MODEL MAGIC PRODUCTS INC PO BOX 19784 ST PAUL MN 55119 612/653-9548 December1993 113 -SAFETY EUUIPMEJVT FOR TODAYS FLYER UNCONDITIDIIAL MLINEe BACK EDARA P1 TEE TRY Il IF YDIJ DOlIT LIKE IT WELL BUY IT BACK! ir Lduncher 5Ui & Pit Cr2wT DESIEAIED WITH ENOLJEH STRENETH TO151 LW CIPINION ITS PRODUCT WHOSE TIME HAS COME SAFELy HOLD MOST SPORT THRIJ I5IANTTHAT SHOULD BE CONSIDERED BYEVERYAMA SCALE PLANESED FIELD GARY SHA W -SAFETY COLUMN MODEL AVIATION AUGUST 1993 ELIMINATE RUN-A-WAY PLANES HOL DINE SLIPPERY FIJSELAI5ES PREMATURE RELEASINIi AND COMMUNICATION PROBLEMS ARM5 ARE FREE-FL DA TINE AND AUTOMATICALLY LOCK IN LJPRII5HT POSITION FOOT PEDAL IS IJSFIJ FOR E-Z ONE STEP RELEASE 0 Wo*Jqg Togetha 6...AI VIA z Industry Associate lIlIES FULLY ASSEMBLED THREE VERSIONS AVAILABLEINCLUDES FOUR ID INCH HOLD BIE BIRD7 7DOWN STAKES FOAM CUSHIONINE SPORT PLANEEALL TIJUA yFOR PROTECTION OF THE LEADINE EDEE AND SAFETY PEDAL STOP CDNTRDL LINEDEALER INDUIRES WELCOME Designed Change Wag People Fly 58DB LANCELOT CT SW OLYMPIA WA RB5I WE ACCEPT auncher Lu BOB 7BE-B4EI OR FAX BOB RSE-3419MASTER CARD AND VISA 2 order call Eric Sanders 513-299-7684 5 pm-b pm EST Monday-Friday day Sat Sun CAD airfoil editor-move coordinatea wlmouse create new points round Out leadiry undo mode 64x zoom pan mode coordinate ID mode shows current cursor position etc S Easy use mindowing interlace Pop up test editnr document airfoil changes-saved mith coordinates ulates elliptical planform rib lengths Chord queue allows templates several chord lengths printed oat unattended edit coordinates Pop-up calculator conversions s foam outline screen optimize template height Customizable screen colors are airfoils screen printer using overlay mode ts mirror image Calculates panel volume & surface area aide weight ostimationse Supports dot matrix laser iet printers Calculates prolected panel area airfoil cross sectional area perimeter length tion negative washout Modily airfoils changing camber thickneasmirroring combining tops bottoms different airfoils Interpolates between different root tip airtoils position within wing panel uts DXF file Both scaled unscaled hi-rca screen preview modes her\Cut minI calculator much much more. Remember wine accurate temolates CompuFoil Profeseional-$65 Airfoil Library w1135 airfoils-SlO S&H add $3 Also available-CompuFoil Standard-$25 CompuFoil Plus-$45 Demo Disk-$5 refundable order wIpe compatabillly product ordering information 3904 Traine Dr Kettering OH. 45429 279/Ill IFXOOIO8/bSc/8ls/ 03 k 1 IZES AVAILABLERETAIL 282399 322599 362999 403199 483699 564999 PLOATS WITH BALSA PaR SHEETING 283499 324199 364699 405299 485899 Custom Cradles Feature Custom molded gray tubing--no ugly fittings Special neoprene foam--impervious fuel oil Folds easy storage Custom design built last Ready use--no building Easily adjusted G9C44 eWSIm ~O4faC4 3177 East Fofl Loweil Road #1 Tucson Arizona 85716 Call today order 1 -800-CRADLE-a 272-3530 - AI -4rflO Taft Boy Custom Cradtaa Tail Boy Large25 tall 28 long 5 B wide fuselage-$4090 Tall Boy Standard32 tall 22 long 3o 5 wide fuselage---$3890 .Tail Boy X-Large--26 tall 28 long 8to 12 wide fuselage--$4290 F --AL l3et l\I5vq EVEEa TIVao&RLtIL -I mm ZZx Boy Custom Cradles Lo Boy Standardi 0 tall 22 long 3 5 wide tuselage- $2490 Boy Large14 tail 28 long 5to 8 wide fuselage $2890 Lo Boy X-Large--16 tall 28 long 8to 12 wide fuselage- $3190 VINTAGE P/C PLANS CPRRVIOUSLY SID MORGAN NEW OWNER-FRED NOVACI 5105 PINE HILL CIRCLE HOWELL MICH4 8843 __ L - CUIG77SS-WRIGtIT T-32 CONOOR IENGS 40-60 PLAN NO 08 RC B I&95 PLUS $395 USue $75 FORuC MANY MORE 1993 CAIALOGE $200 US 300 P0 W1 ON COWERS PIPER PRY-GA WACO SICNSON FAIRCHILD FIESELER Fl 156 C3 STO NCR MGA PILOTS FLY THE WORLD OVER m 98 enterprises po box 5631 tresn CO 93755 tel 209 224-4170tax 209 224-7289 Scale plans adding panel lines rivets also uses method check size placement markings Hal Winters baffled us slide-show questionnaire included model personalities aircraft model aircraft aviation personalities other trivia whole affair blast hope see type BowdenlVleaver Continued page 113 rubber bands side FLYING model clean sailplane drag landing gear wing struts large frontal area necessitate additional power achieve reasonable climb Use hotter 05 motors LeMans 360PT motor draws 23 24 amps about 140 watts during useful run about 31/2 minutes allows two climbs well above usual sailplane winch-launch height still air will average eight-to-nine-minute flights has good glide will soar well lift characteristics highwing parasol model tendency slow responding rudder control both going out turn During test flights found model needed rudder area reason rudder hinge line moved forward inch giving rudder area model now easily kept under control very stable longitudinally present after five summers flying am using wing incidence balance point shown plans social function again Nats Its time start building next years entries understand bounty Steve Ashby next years Nats anyone out can beat him Sport Scale will national champion fifth year row challenge has made See Texas ls strength tested during first trial flights radio motor speed control tested perfectly during ground checks air constant glitching control being erratic motor cutting off made several lucky flights safe landings nothing did radio motor speed control helped Finally tb model made full-rudder spiral di ground hitting nose wing tip wing flew off designed damage wingtip bent landing gear prop shaft few small dents nose cowl hit hard enough cause motor battery move forward 3/ inch though tightly rubberbanded motor spar could moved hand gave up speed control tried servo-operated on-off motor switch radio problems disappeared speed control necessary climb-andglide flight anyway condemn speed controls general know work perfectly probably something peculiar radio motor setup should have worked out During subsequent flying 126 Model Aviation WAFFE USAAFSTATE-OF-THE-ART PILOTS WWI AVIATOR 52495us WWII USAAF 52995 114 W W II N V Y 2495 WWII LUFTWAFFE 2995 CIVISPORT 2495 I/S JET TOP GUN 29951/9 WWII JAPANESE 1995 AVAILABLE AT YOUR LOCAL HOBBY DEALER OR DIRECT P&H $350 PER PILOT F RES ADD SALES TAX SEND SASE FOR COLOR BROCHURE 5 I Join Giants Help Promote iLJEfNon-CompetitiveI EUIJ _______ InIrpIonaI MoaIu.J*nca11 AccaIon IMAA membership includes quarterly magazine High Flight IMEMBERSHIP APPLICATiON IJ NEW RENEWAL Date19I Yearly Dues $1500 USA $2000 US Canada & Mexico $3000 US Elsewhere I Make CHECK MONEY ORDER Payable INTERNATIONAL MINIAlURE AIRCRAFT ASSOCIATION INC I Name ______________________________________ Ph _________________________ I Street ______________________________________ P0 Box/Route Box ________________ I ________________________State/Province _________________Zip _________________ 1City IMAA __________AMA Number ___________MAAC __________Chapter __________ L TO IMAA Secrotary DONE VINEYARD e 205 HilIdole Road na KS 67401 mmI occasion put model long vertical dive wires whistling get out strong thermal about make disappear overhead no fluttering wing survived dive pullout okay Fine trimming get maximum climb glide can go forever its part challenge wing incidence can increased shimming under front struts wing can also moved fore aft Adjust until get best glide angle elevator trim neutral model may require slight up down elevator trim get best climb Since no down right thrust used original find need about right trim rudders trailing edge control torque under full power CL SpeedlLee Continued paqe 73 feeling low Grandpa used instant glue fiberglass model back flying condition Mike put up three official flights fastest being 13378 score won first place Junior barely ahead Peter Brown 13318 Three Seniors tried fly David Van Allen Chandler Arizona get official time Dave came Nats Slugger Brown other Staten Island Speed Team members helping him Open fliers airplanes powered variety engines Aloise Team using two ACE engines Carlos built last year Some changes necessary use model SAM competition Make rudder elevator open-frame construction like fin stabilizer sheet wood shown Remove turbulator spars sheet wing 1 es behind leading edge Sheet wingtips rib W-l outward sheet center section three inches out centerline encourage power fliers try soaring like lot sports look boring spectator exciting participant Electric power quiet clean way get soarer either antique sailplaneup thermal-finding height perfect way go us old free flight thermal chasers losing wide open spaces young legs us Rossis 0S Nelson engine Aloise Team Tommy Brown Frank Garzon first second third until Connie Aloise showed up arrived late after flying Evansville Indiana Carlos picked up Carlos processed airplane morning Connie started engine required rules Slugger flew her first flight new 21 Sport Speed record 15244 backup flight same speed clinched record well first place Connie uses two ACE engines seems develop massive amounts power lower rpm During flight engine much quieter others believe using larger prop rest us December 1993 127 ALES INC Fiberglass Headquarters * BUY DIRECT * Super Bond 5 mini Epoxy Epoxy Laminating Resins Cyanoacrylate Adhesives es ective Hand Creams Masks Aprons- Polyester Resin al Sprayer Laminahng Brushes ers Acetate- Fiberglass Fillers Tongue Depressors Wood Mixing Paddles sive DiscsSandpaper Foam Brashes- Fine-Weave Medium Hesoy Weight Cloth ar on Fibers TECHNICAL INFORMATION kexier tepee cerbon fiber tapo & CAUTOLL FREE xerbon fiber trend avoilable tI WI OIl IL Nt 1-800-589-4444 18621 E Nine Mile Road Esstpointe Michigan 48C21 313 777-2032Fax 313 777-0350 R/C BEGINNERS hobby loses about bait Its potential fliers because fail successfully solo IT ISNT THEIR FAULT ITS THE PLANES FAULT just some rn advertised trainers impossible tor average beginner solo seems norm crash ruin 4 5 planes before becctming successful both stupid costly mention real turn-oft new student quite unnecessary YOU COULD SOLO YOUR FIRST TIME UP Thanks extensive trainer flighttesting ever conducted hobby can now know advance ones fly slow hands off stable easy enough Grandma lust so-so intermediate Which ones deserve trainer label Send $350 plus 520 postage EASE-OF-FLYING RATINGS OF R/C TRAINERS Over 40 currently available train ers evaluated including ARFs Also grades easeof-building explains trainer aerodynamics dares address questions poor trainers good trainers marketed does no warn about Guarantee Yosr money back yos say eye-opening candid enlight ening time-saving money-saving frustration sparing R/C publication have ever read Send chock money ardor Jim Waterman 3818 Deerfield Dr San Antonio TX 78218
Edition: Model Aviation - 1993/12
Page Numbers: 104, 105, 106, 110, 111, 112, 113, 126, 127
NO OCR TEXT 1937 Wakefield International contest free flight rubber- powered models held England Sunday August 1 1937 event won Emanuel Fillon France However American Wakefield team Alvie Dague Dick Bodle Herb Fish Frank Zaic Henry Struck did come home emptyhanded Bowden International Trophy contest gas-powered models won next day Herb Fish flying model designed built Carroll Krupp Akron Ohio Bowden event timed duration type based complex set rules involving appearance model timed flight 45-90 seconds controllability stability plane ability take off land undamaged end scheduled flying four fliers including Herb Fish tied first place flew another round two fell shortleaving Herb Fish Englishman next round English plane landed little hard bent its landing gear American plane won Plans Krupps winning model included Frank Zaics 1938 Yearbook plan reproduced along comments about design Dr D B Mathews Old-Timers column June 1986 Model Aviation article revived interest design successful contest gas models 1 930s parasol high-wing mount no fuselage cabin such Joe Kovel Charlie Grants famous KGs Maxwell Bassetts Miss Philadelphia VI Chet Lanzos Record Breaker Krupps design prettiest type its graceful lines also has sailplane-like proportions felt its long wing would make good RC soarer Since Kyosho Electric Airplane Prop Drive Unit 360 PT LeMans motor gear drive special 9 x 8 prop available decided build Krupps airplane Electric antique climbing gliding hopefully soaring sport flying result model has become favorite fun flier have become hooked Electric flight because challenge achieving enjoyable-length flight limited power available Ni-Cd batteries same challenge faced builders rubber compressed air C02 other stored-energy models Electrics its back old rubber-powered design basics get best out limited energy available larger ratio stored energy source motor Ni-Cds rubber etc total airplane weight longer higher model will fly goal have structure light possible yet strong December 1993 105 Six-foot-span model three-fourths size original Parasol-mounted wings popular gas-powered models Bowden winner rib frame spacings scale 1930sthey supposed stable Front view uncovered structure shows removable motor-radio unit fits fuselage Frame-and-covering structures very strong weight Light weight important Electric models Removable tail surface Note original smaller rudder area Hinge line later moved forward enough support power devices weight frame-and-covering construction used old gas rubber models light strong hence antique gas models make good subjects climb-and-glide Electrics calculations showed 3/4-size model would about right 05 motor Krupps basic airframe structure followed using scale rib fuselage frame spacing Modifications included adding RC control surfaces structural efficiency needed Electric powers extra weight Radio motor battery access problem frame- and-covering fuselage lacks flush-mounted high low wing give access opening wing removed decided make nose section detachable strong spar running back through fuselage radio system heavy motor battery attached has worked well disconnecting control rods servos through small hatch removing two screws firewall complete motor radio unit can removed servicing disadvantage motor battery cannot changed quickly using precharged battery packs continuous flying problem usually fly other models battery airplane being recharged complete six-foot-span airplane landing gear weighs 15 ounces motorradio unit removed CONSTRUCTION step-by-step construction sequence beyond scope article Given drawing experienced builders will build model utilizing own methods General Builders rubber-powered contest models excel building strong light structures try use some tricks Use light contest grade 4-6 lb/cu ft balsa sheet wood parts hard balsa longerons wing spars medium-to-light wood rest structure Before starting construction sort balsa three four piles weight using heaviest normally hardest strongest wood fuselage nose near center wing tail surfaces lightest toward rear tips White glue used practically wood joints am allergic cyanoacrylate CyA glue would have faster probably lighter recently tried Hot Stuff UFO glue no problems would use building model now Build complete model before covering will much easier make fit removable unit control rods Fuselage I use perfectly fiat building board covered Homosote house wallboard soft takes pins nails well Cover plan plastic wrap Continued page 110 Motor size type Geared 05 Electric Number channels Three Flying weight 41 ounces Construction Built-up Covering/finish Silk/Nitrate dope 106 Model Aviation vable motor-radio unit easily removed servicing Radio equipment attached strong spar Front view fuselage motor-radio assembly removed Assembly held place two screws two dowels Bottom view servo access door open Pushrod clips easily disconnected rudder elevator servos Type RC sport Wingspan 72 inches GEITOR RIC Products Inc SOFT-N-SAFE ENGINE MOUNTS Soft Mount using special serrated lao-Damp Grommets Engine always safely retained Very effective vibration reduction dramatic decrease engine shake Light machined aluminum beam mounts 60 2-strokes 1204-strokes available Also available aluminum radial mount 60 2-strokes Soft-N-Safe 120 beam mount complete . $3495 Soft-N-Safe 60 beam mount complete 95 SoftN-Safe 60 radial mount complete 5 Soft-N-Safe Replacement Iso-Damp Grommets Pkg 4 60$295 Pkg 4 120$595 RADIAL ISO-MOUNTS Conventional backplate type mount using four Lord-Type 60-Duro isoMounts Optimized lowest vibration transmission airframe reduced engine shake Radial Iso-mount complete $1495 Iso-Mounts Package 4 $995 5/8 diameter x 1/2 long 8-32 female end 8-32 x 1/2 male other end 60-Duro rubber Provides solid support br accurate building Rugged 7-ply aircraft plywood construction Two sizes available Regular fuse up 6-1/4 wide Jumbo fuse up 9-1/4 wide Use building board base mount Uni-St rut Guide Rails versatile set-up Contains hardware & instructions including Uni-Strut information Box 4 Standard Jig Stations $2195 Box 4 Jumbo Jig Stations 2395 2 Five Ft Guide Rails & Mounting Nuts . $2295 GLASS CLOTH 7 oz/Sq Yard est Filling est Weave Lightest Finished Weight Includes Detailed Instructions Big 3 Square Yard Pkg $895 G6TO1I R/C Products Inc 3713 Pompano Drive Pensacola FL 32514 904/494-0203 904/494-0207 VISA/MasterCard Welcomed $4 00 per item SH esidents add 6% Tax 110 Model Aviation en/Weaver Continued page 106 waxed paper Use one-inch-long 16-gauge brads along longerons hold place over plans front half longerons 1/5 x 3/ts longeron doublers nose should soaked hot water allowed dry brad jig before uprights added will eliminate tendency longerons force sides out shape removed building board dont try build fuselage side atop other using large wood sizes instead make first side make two upright After removing glued first side replace brads original holes Add two longerons doublers glue already made uprights longerons have same crosssection should uprights will fit snugly assuring second side identical first protractor-guided hand sanding block device can big help make uprights diagonals have neat snug fit longerons pieces can cut slightly long few swipes sanding block will make fit perfectly lower opening FU-2 motor battery cooling air will exit through louvered servo door covered window screen keep out anything might blow fuselage landing taking off upper opening directs cooling air speed-control cooling fins Note lower longerons cut away clear hardwood landing-gear attachment blocks used bamboo tail skid bit bamboo seems appropriate antique formed over 3/4-inch-diameter dowel using heat gun certain point bamboo gets hot will soften like plastic held until cools shape becomes permanent Bend shiny side outward small door just front stabilizer allows rudder control rod taken out fuselage cut free two sides after covering allows covering act hinge long side servo access door also uses covering hinge thrustline shown scale centerline original Brown Jr engine raised gear box offset might appear Wing wing structure different original except scale rib spacing Bob Kopski s taperedstrength spar system used strength lightness see About Electrics Part 8 April 1984 Model Aviation Two t/s-square turbulator spars used instead sheet-covered leading edge laminated tips soaked hot water pulled around form least inch thick Use few inches excess length thumbtack ends dry paint white glue attach form again used scrap 3/ fir plywood bandsawed contour forms traced sheet parts inexpensive tracing paper stick balsa sheet templates rubber cement After sheet part cut template made paper tracing can peeled off leftover rubber cement will rub off part template thin plywood preferably aluminum template made rib W-2 full set identical ribs can cut spar notches can enlarged become ribs A-3 A-4 suit assembly Drive brad through template near leading trailing edges backing up wood will leave toothed perforation will keep template slipping W-5 plywood rib reinforcement ties wire mount attachment CI-IPNTMAS SAl 11 WINGSPAN 136 POWER 1-25 OlD 4550 LUS Balsa snd ply construction Fiberglass cowls scoops jriberglass fuselage wing center section gear doors 90 2 cid 27 lbs orsners firewalls retract rails etc installed Fiberglass Scale 95 Sport scale 105 stretched wing Istabilizer cowlings complete hardware includes KIT REG $495 SALE $425 till 12/31 Itailgear tire fuel tanks bar stock spinner domes lug-in wing hdwe Robart retract package avail direct E PRICE.KIT AND RETRACT P10 COMBO $1795 ICHRISTMAS SALE! leading trailing edges spars thus whole wing spars turbulator strips cracked allowed naturally bend down up tips Dampen top spars last W-2 rib assist Make wire wing mount parts accurately possible 1/32 X bracing tacksoldered front rear struts Bind joints fine wire used lamp-cord strands will little floppy first pieces added will assume its finished shape Some wrappings will have rewound accommodate added parts mount holding together wire wrappings set piece wood simulate fuselage Pin tape front rear struts wood hold bottom alignment wing-rubber attach hooks shaped allow wing cam itself off release rubber bands tip hits crash Slide hooks up snugly three-inch-wide piece will align wing fuselage dont want slop everything looks square start soldering Use 4% silver 96% tin highstrength silver soldermade Kester Stay-Briteboth landing-gear joints After soldering attach three-inch-wide piece fine emery cloth wood piece Rub mount forward back until wrapping wire solder bumps smoothed off four small smooth flats will sit rocking fuselage wear plates mount can now attached wing leading trailing edges should fit perfectly giving wing incidence 4O necessary bend top ends struts parallel wing parts Check wing 9O fuselage before final gluing 1/16 sheet added around wire exits wing gluing area aid covering also purpose 1/8 caps wing center line covered wing including wing mount weighs 7 ounces Tail surfaces stabilizer fin use same construction methods wing elevator rudder very light contest-grade balsa sheet eliminate warps simplified construction diagonals added fin covering bowed hinge line Robart Mini Hinge Points light easy install allow surfaces move easily friction Dont glue until after covering hidden elevator horn little complicated hard make appears paper Motor RC Unit removable nose radio-battery spar unit should accommodate geared 05 motors radio receivers Adjust elevator travel /s inch rudder travel 1 es measured trailing edge motor battery held spar wrapping 3A6 rubber-model motor strip used 16-gauge SR highflex wire Sermos connectors wire motor battery exact location battery determined model balanced Fit wiring neatly place hold spar wrappings 1/2-inch-wide Scotch Magic tape plans show following radio battery equipment Tower 500 standard-size receiver two Tower TSS-10 microservos Tower TSS-20 miniservo operate motor toggle switch SR Series 150 175 mAh receiver battery SR EP Max Pack Series 1200 six-cell motor battery resulted flying weight 44 ounces After plans completed installed Futaba Attack 4NBL-E radio THE LEADER IN COM PETITION NEW 4 NEW HIGH TECH AIRFOIL SECTION 10T020% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 534 634 72833456 8334568 84566147 94566A77/ 104566147 106W8W 106EW 1146774778 115W 116EW 1167 124W 125W 1256 1356 1456 1556 164N 16678 RC PYLON RACING SERIES 500 DIA PITCH 75N 5N 8I6778 SERIES 400C 866777 9777 W WIDE BLADE EW EXTRA WIDE N NARROW December1993 111 OS6NFD PROPELLERS A CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DE VELO P ED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIAPITCH THP 1266778 136778 146778 1567 16678 PRO SERIES 3 LI 11 Money Back Guaranteed 115S5251 * mcrsrt VA\NI0TR suoras VMNE AMAILABIL tor 2-Cycle 40 & up & 4-Cycle 50 & up Smoker Preheaters Are Twice As Effective As Head Coils MAKES CALL 1-912-367-0567 GREA TVisa Mastercard & HOLIDA Y American Exyress GIFTAccepte CENTURY JET MODELS INC 5 Martha Ct Sumter SC 29150 803 775-6491 RETRACT SELECTOR SPEED CONTROL VALVE 8305 Regency Woods Way Louisville KY 40220 502 491-4114 Four Infinite Adjustment Screws 2 Up 2 Down Compatible air system Dim 3/8 s 1 s 1-1/4 $2495 Wt 15 oc Semi & Deluxe Ducted Fan Jet Kits Eposy fiberglass fuselage canopy foam wings plans/ instructions Intake/Eshaust System esc F-i 00 F-100 Hun basic kit $18999 1/8 Scale 50 Removable Wings Length 63 Sport Hawk MK II basic kit $18988 Easy build Removable wing Length 59 F-lOS Thunderchiet basic kit $23900 Length 73 77-91 Engine No Cheater Hole F-4 Phantom basic kit $59900 HEW f/7 Scale Twin Engine Aileron/Spoiler Config Length 90 Removable 61 Wings LE/TE flaps Deluxe kit DC wood I/B pylons CP kit plus morel Landing gear tires brakes available [AMP] AMERICAN MODEL PRODUCTS Inc RT 3 BOX 37 BAXLEY GA 31513 Fax9123673577 COMPARE OUR RETRACTS TO THEIRS Stainless Struts cut FREElComplete Air System Stainless Torque LinksAsle Installed Different strut configurationsParts Service * 1 Year Limited Warranty 30 Day Refundt GIANT MAIN RETRACTS STANDARD OR 900 ROTATE 30-50 lb aircraft 2 sets 1 Standard 900 minutes 700 1100 retract angle Over-center lock down Hose gear available $27500 pair WI 15 lbs 1/5 SCALE MAIN RlMAuI STANDARD OR 900 ROTATE Fits PICA Skys P-Si 1/5 Yellow A/C Ziroli Bud Nosen plus Choice 01 91 Plyon Winners Handles 20-25 lb aircraft 84097 retract angle Positive lock up lock down Optional wire struts Nose gear available $19900 pair Wt 22 oz NEW 1/5 SCALE P-51 & SPITFIRE products proudly MADE IN THE USAI THE GREATEST RIC VIDEOSEVERPRODUCED Most Comprehensive Coverage Major DnciedFan Scale Events Join TELSTAR VIDEO take Back Best prestigious event scale aviation 5 full days 3 broadcast cameras captured alt 2 volume set runs tncredible 2 hours 45 mInutes Only $29 99 action excitement Dont miss out comprehensive coverage svailable TELSYAR VIDEO PRODUCTIONS INC fliIEiE 01 SE Decker Ave Suite 109 Stuart FL 34994 800 972 4847 Fax 407 220 4849 ALSO AVASLABLEORDERING tNFORMATION Visa MasterCard checks mosey orders accepted TOP GUN 92FLYING WITH THt ItST $189910% Disceunt ordering two 4TH ANNUAL JtTS OVER StLANO$2495the shove programs Shipping US Canada GIANTS OFTHt SKY-VOLUMt 1$2495and Mexico $250 first tape $150 ea addi tional tape Europe $650 order 10TH ANNIV GREATER SW FAN FLY$2495Europe call 407 286-2535 Add $5 per tape TOP GUN UK$2495for PAL/SECAM orders Florida residents please add 6% sales tax system has combination receiver-speed control two miniservos Since receiver operates motor battery eliminates receiver battery speed control eliminates motor-shutoff toggle switch its servoThis installation saved three ounces models flying performance enhanced also eliminated concem small receiver battery used because light would exhausted after several long flights receiver-speed control combo mounted cooling air speed control shown fuselage side view Two Futaba aileron extensions can used connect receiver servos Covering antique effect model covered red heavyweight silk three coats clear nitrate dope requires two square yards covering material have using Coverite Balsarite attach silk tissue since got some use Micafilm Balsarite hotmelt quick-drying liquid brushed framework covering adhered Its advantage over use dope glue attaching using model sealing iron covering can tacked place spots around edges tacks can softened iron covering restuck pull out slack wrinkles silk smooth can permanently ironed down around edges wing covering slit fit around wing mount wires silk sprayed water shrink tight doped Dope will loosen Balsarite best substitute silk Micaflim very tough almost light silk has translucent appearance much same doped silk tissue BACKYARD MICRO FLYERS PROFILE/SCALE BUILD TO FLY OR DISPLAY W35IIU Albatros Dt Fokker DVII tnk Triplane SR 5A snpwlth comet SPAD 8alsa Print Wood 6-8 Wing Spans Price 52w $250 en Money OrdeeOly Nucolyrt NSa enido5s add oter tar P4P Witdmt t6F HeSeat FW-t95A Haw Hunicane Heinket HetlI trackers IU-8f S MS-SD ME 262 Mit Zeae P470 Thandenbati P-555 Martang Spidlee Fantasy Flyers LOans 430 Pantsingvitle NY 11738 112 Model Aviation lable colors Use ____________________________________________________________[v32][b2235120191200]] same covering technique Balsarite given above silk wing perfecfly flat usual _____ 1930s lack washout has given no tip stall troubles Final Assembly 1A2 plywood wing mount wear pads stabilizer trailing edge reinforcements attached after covering attaching lower stabilizer reinforcements line up rudder-stabilizer assembly airplane centerline place snugly against fuselage act aligmnent keys attaching removing tail assembly Adjust battery spar make model balance point shown install motor-radio unit servo access door taped open fuselage held vertically radio antenna dropped until its end reaches door fuselage tilted ____________________________________________________________[v32][b21361183191500]] antenna end comes out ____________________________________________________________[v32][b21361212191200]] door Continue lower unit --engage spar end FU-4 support Engage nose firewall two /8 locating dowels slip nose place Install two 4-40 screws antenna can stuffed its tube two control rod links attached servos door closed use six-inch piece 047 music wire 3/s-inch 900 bend end tool open links supporting servos fingers support under links closing use six-inch length 1/4 brass tubing 3/ length flattened bent 90g wing held three #33 rubberbands wing struts front rear stabilizer three #32 Continued page 126 BJ FLOATS FULLY FORMED STYROFOAM FLOATS READY FOR FINISHING ____ MOUNTING BLOCKS AND INSTRUCTIONS INCLUDED - vO MODEL MAGIC PRODUCTS INC PO BOX 19784 ST PAUL MN 55119 612/653-9548 December1993 113 -SAFETY EUUIPMEJVT FOR TODAYS FLYER UNCONDITIDIIAL MLINEe BACK EDARA P1 TEE TRY Il IF YDIJ DOlIT LIKE IT WELL BUY IT BACK! ir Lduncher 5Ui & Pit Cr2wT DESIEAIED WITH ENOLJEH STRENETH TO151 LW CIPINION ITS PRODUCT WHOSE TIME HAS COME SAFELy HOLD MOST SPORT THRIJ I5IANTTHAT SHOULD BE CONSIDERED BYEVERYAMA SCALE PLANESED FIELD GARY SHA W -SAFETY COLUMN MODEL AVIATION AUGUST 1993 ELIMINATE RUN-A-WAY PLANES HOL DINE SLIPPERY FIJSELAI5ES PREMATURE RELEASINIi AND COMMUNICATION PROBLEMS ARM5 ARE FREE-FL DA TINE AND AUTOMATICALLY LOCK IN LJPRII5HT POSITION FOOT PEDAL IS IJSFIJ FOR E-Z ONE STEP RELEASE 0 Wo*Jqg Togetha 6...AI VIA z Industry Associate lIlIES FULLY ASSEMBLED THREE VERSIONS AVAILABLEINCLUDES FOUR ID INCH HOLD BIE BIRD7 7DOWN STAKES FOAM CUSHIONINE SPORT PLANEEALL TIJUA yFOR PROTECTION OF THE LEADINE EDEE AND SAFETY PEDAL STOP CDNTRDL LINEDEALER INDUIRES WELCOME Designed Change Wag People Fly 58DB LANCELOT CT SW OLYMPIA WA RB5I WE ACCEPT auncher Lu BOB 7BE-B4EI OR FAX BOB RSE-3419MASTER CARD AND VISA 2 order call Eric Sanders 513-299-7684 5 pm-b pm EST Monday-Friday day Sat Sun CAD airfoil editor-move coordinatea wlmouse create new points round Out leadiry undo mode 64x zoom pan mode coordinate ID mode shows current cursor position etc S Easy use mindowing interlace Pop up test editnr document airfoil changes-saved mith coordinates ulates elliptical planform rib lengths Chord queue allows templates several chord lengths printed oat unattended edit coordinates Pop-up calculator conversions s foam outline screen optimize template height Customizable screen colors are airfoils screen printer using overlay mode ts mirror image Calculates panel volume & surface area aide weight ostimationse Supports dot matrix laser iet printers Calculates prolected panel area airfoil cross sectional area perimeter length tion negative washout Modily airfoils changing camber thickneasmirroring combining tops bottoms different airfoils Interpolates between different root tip airtoils position within wing panel uts DXF file Both scaled unscaled hi-rca screen preview modes her\Cut minI calculator much much more. Remember wine accurate temolates CompuFoil Profeseional-$65 Airfoil Library w1135 airfoils-SlO S&H add $3 Also available-CompuFoil Standard-$25 CompuFoil Plus-$45 Demo Disk-$5 refundable order wIpe compatabillly product ordering information 3904 Traine Dr Kettering OH. 45429 279/Ill IFXOOIO8/bSc/8ls/ 03 k 1 IZES AVAILABLERETAIL 282399 322599 362999 403199 483699 564999 PLOATS WITH BALSA PaR SHEETING 283499 324199 364699 405299 485899 Custom Cradles Feature Custom molded gray tubing--no ugly fittings Special neoprene foam--impervious fuel oil Folds easy storage Custom design built last Ready use--no building Easily adjusted G9C44 eWSIm ~O4faC4 3177 East Fofl Loweil Road #1 Tucson Arizona 85716 Call today order 1 -800-CRADLE-a 272-3530 - AI -4rflO Taft Boy Custom Cradtaa Tail Boy Large25 tall 28 long 5 B wide fuselage-$4090 Tall Boy Standard32 tall 22 long 3o 5 wide fuselage---$3890 .Tail Boy X-Large--26 tall 28 long 8to 12 wide fuselage--$4290 F --AL l3et l\I5vq EVEEa TIVao&RLtIL -I mm ZZx Boy Custom Cradles Lo Boy Standardi 0 tall 22 long 3 5 wide tuselage- $2490 Boy Large14 tail 28 long 5to 8 wide fuselage $2890 Lo Boy X-Large--16 tall 28 long 8to 12 wide fuselage- $3190 VINTAGE P/C PLANS CPRRVIOUSLY SID MORGAN NEW OWNER-FRED NOVACI 5105 PINE HILL CIRCLE HOWELL MICH4 8843 __ L - CUIG77SS-WRIGtIT T-32 CONOOR IENGS 40-60 PLAN NO 08 RC B I&95 PLUS $395 USue $75 FORuC MANY MORE 1993 CAIALOGE $200 US 300 P0 W1 ON COWERS PIPER PRY-GA WACO SICNSON FAIRCHILD FIESELER Fl 156 C3 STO NCR MGA PILOTS FLY THE WORLD OVER m 98 enterprises po box 5631 tresn CO 93755 tel 209 224-4170tax 209 224-7289 Scale plans adding panel lines rivets also uses method check size placement markings Hal Winters baffled us slide-show questionnaire included model personalities aircraft model aircraft aviation personalities other trivia whole affair blast hope see type BowdenlVleaver Continued page 113 rubber bands side FLYING model clean sailplane drag landing gear wing struts large frontal area necessitate additional power achieve reasonable climb Use hotter 05 motors LeMans 360PT motor draws 23 24 amps about 140 watts during useful run about 31/2 minutes allows two climbs well above usual sailplane winch-launch height still air will average eight-to-nine-minute flights has good glide will soar well lift characteristics highwing parasol model tendency slow responding rudder control both going out turn During test flights found model needed rudder area reason rudder hinge line moved forward inch giving rudder area model now easily kept under control very stable longitudinally present after five summers flying am using wing incidence balance point shown plans social function again Nats Its time start building next years entries understand bounty Steve Ashby next years Nats anyone out can beat him Sport Scale will national champion fifth year row challenge has made See Texas ls strength tested during first trial flights radio motor speed control tested perfectly during ground checks air constant glitching control being erratic motor cutting off made several lucky flights safe landings nothing did radio motor speed control helped Finally tb model made full-rudder spiral di ground hitting nose wing tip wing flew off designed damage wingtip bent landing gear prop shaft few small dents nose cowl hit hard enough cause motor battery move forward 3/ inch though tightly rubberbanded motor spar could moved hand gave up speed control tried servo-operated on-off motor switch radio problems disappeared speed control necessary climb-andglide flight anyway condemn speed controls general know work perfectly probably something peculiar radio motor setup should have worked out During subsequent flying 126 Model Aviation WAFFE USAAFSTATE-OF-THE-ART PILOTS WWI AVIATOR 52495us WWII USAAF 52995 114 W W II N V Y 2495 WWII LUFTWAFFE 2995 CIVISPORT 2495 I/S JET TOP GUN 29951/9 WWII JAPANESE 1995 AVAILABLE AT YOUR LOCAL HOBBY DEALER OR DIRECT P&H $350 PER PILOT F RES ADD SALES TAX SEND SASE FOR COLOR BROCHURE 5 I Join Giants Help Promote iLJEfNon-CompetitiveI EUIJ _______ InIrpIonaI MoaIu.J*nca11 AccaIon IMAA membership includes quarterly magazine High Flight IMEMBERSHIP APPLICATiON IJ NEW RENEWAL Date19I Yearly Dues $1500 USA $2000 US Canada & Mexico $3000 US Elsewhere I Make CHECK MONEY ORDER Payable INTERNATIONAL MINIAlURE AIRCRAFT ASSOCIATION INC I Name ______________________________________ Ph _________________________ I Street ______________________________________ P0 Box/Route Box ________________ I ________________________State/Province _________________Zip _________________ 1City IMAA __________AMA Number ___________MAAC __________Chapter __________ L TO IMAA Secrotary DONE VINEYARD e 205 HilIdole Road na KS 67401 mmI occasion put model long vertical dive wires whistling get out strong thermal about make disappear overhead no fluttering wing survived dive pullout okay Fine trimming get maximum climb glide can go forever its part challenge wing incidence can increased shimming under front struts wing can also moved fore aft Adjust until get best glide angle elevator trim neutral model may require slight up down elevator trim get best climb Since no down right thrust used original find need about right trim rudders trailing edge control torque under full power CL SpeedlLee Continued paqe 73 feeling low Grandpa used instant glue fiberglass model back flying condition Mike put up three official flights fastest being 13378 score won first place Junior barely ahead Peter Brown 13318 Three Seniors tried fly David Van Allen Chandler Arizona get official time Dave came Nats Slugger Brown other Staten Island Speed Team members helping him Open fliers airplanes powered variety engines Aloise Team using two ACE engines Carlos built last year Some changes necessary use model SAM competition Make rudder elevator open-frame construction like fin stabilizer sheet wood shown Remove turbulator spars sheet wing 1 es behind leading edge Sheet wingtips rib W-l outward sheet center section three inches out centerline encourage power fliers try soaring like lot sports look boring spectator exciting participant Electric power quiet clean way get soarer either antique sailplaneup thermal-finding height perfect way go us old free flight thermal chasers losing wide open spaces young legs us Rossis 0S Nelson engine Aloise Team Tommy Brown Frank Garzon first second third until Connie Aloise showed up arrived late after flying Evansville Indiana Carlos picked up Carlos processed airplane morning Connie started engine required rules Slugger flew her first flight new 21 Sport Speed record 15244 backup flight same speed clinched record well first place Connie uses two ACE engines seems develop massive amounts power lower rpm During flight engine much quieter others believe using larger prop rest us December 1993 127 ALES INC Fiberglass Headquarters * BUY DIRECT * Super Bond 5 mini Epoxy Epoxy Laminating Resins Cyanoacrylate Adhesives es ective Hand Creams Masks Aprons- Polyester Resin al Sprayer Laminahng Brushes ers Acetate- Fiberglass Fillers Tongue Depressors Wood Mixing Paddles sive DiscsSandpaper Foam Brashes- Fine-Weave Medium Hesoy Weight Cloth ar on Fibers TECHNICAL INFORMATION kexier tepee cerbon fiber tapo & CAUTOLL FREE xerbon fiber trend avoilable tI WI OIl IL Nt 1-800-589-4444 18621 E Nine Mile Road Esstpointe Michigan 48C21 313 777-2032Fax 313 777-0350 R/C BEGINNERS hobby loses about bait Its potential fliers because fail successfully solo IT ISNT THEIR FAULT ITS THE PLANES FAULT just some rn advertised trainers impossible tor average beginner solo seems norm crash ruin 4 5 planes before becctming successful both stupid costly mention real turn-oft new student quite unnecessary YOU COULD SOLO YOUR FIRST TIME UP Thanks extensive trainer flighttesting ever conducted hobby can now know advance ones fly slow hands off stable easy enough Grandma lust so-so intermediate Which ones deserve trainer label Send $350 plus 520 postage EASE-OF-FLYING RATINGS OF R/C TRAINERS Over 40 currently available train ers evaluated including ARFs Also grades easeof-building explains trainer aerodynamics dares address questions poor trainers good trainers marketed does no warn about Guarantee Yosr money back yos say eye-opening candid enlight ening time-saving money-saving frustration sparing R/C publication have ever read Send chock money ardor Jim Waterman 3818 Deerfield Dr San Antonio TX 78218
Edition: Model Aviation - 1993/12
Page Numbers: 104, 105, 106, 110, 111, 112, 113, 126, 127
NO OCR TEXT 1937 Wakefield International contest free flight rubber- powered models held England Sunday August 1 1937 event won Emanuel Fillon France However American Wakefield team Alvie Dague Dick Bodle Herb Fish Frank Zaic Henry Struck did come home emptyhanded Bowden International Trophy contest gas-powered models won next day Herb Fish flying model designed built Carroll Krupp Akron Ohio Bowden event timed duration type based complex set rules involving appearance model timed flight 45-90 seconds controllability stability plane ability take off land undamaged end scheduled flying four fliers including Herb Fish tied first place flew another round two fell shortleaving Herb Fish Englishman next round English plane landed little hard bent its landing gear American plane won Plans Krupps winning model included Frank Zaics 1938 Yearbook plan reproduced along comments about design Dr D B Mathews Old-Timers column June 1986 Model Aviation article revived interest design successful contest gas models 1 930s parasol high-wing mount no fuselage cabin such Joe Kovel Charlie Grants famous KGs Maxwell Bassetts Miss Philadelphia VI Chet Lanzos Record Breaker Krupps design prettiest type its graceful lines also has sailplane-like proportions felt its long wing would make good RC soarer Since Kyosho Electric Airplane Prop Drive Unit 360 PT LeMans motor gear drive special 9 x 8 prop available decided build Krupps airplane Electric antique climbing gliding hopefully soaring sport flying result model has become favorite fun flier have become hooked Electric flight because challenge achieving enjoyable-length flight limited power available Ni-Cd batteries same challenge faced builders rubber compressed air C02 other stored-energy models Electrics its back old rubber-powered design basics get best out limited energy available larger ratio stored energy source motor Ni-Cds rubber etc total airplane weight longer higher model will fly goal have structure light possible yet strong December 1993 105 Six-foot-span model three-fourths size original Parasol-mounted wings popular gas-powered models Bowden winner rib frame spacings scale 1930sthey supposed stable Front view uncovered structure shows removable motor-radio unit fits fuselage Frame-and-covering structures very strong weight Light weight important Electric models Removable tail surface Note original smaller rudder area Hinge line later moved forward enough support power devices weight frame-and-covering construction used old gas rubber models light strong hence antique gas models make good subjects climb-and-glide Electrics calculations showed 3/4-size model would about right 05 motor Krupps basic airframe structure followed using scale rib fuselage frame spacing Modifications included adding RC control surfaces structural efficiency needed Electric powers extra weight Radio motor battery access problem frame- and-covering fuselage lacks flush-mounted high low wing give access opening wing removed decided make nose section detachable strong spar running back through fuselage radio system heavy motor battery attached has worked well disconnecting control rods servos through small hatch removing two screws firewall complete motor radio unit can removed servicing disadvantage motor battery cannot changed quickly using precharged battery packs continuous flying problem usually fly other models battery airplane being recharged complete six-foot-span airplane landing gear weighs 15 ounces motorradio unit removed CONSTRUCTION step-by-step construction sequence beyond scope article Given drawing experienced builders will build model utilizing own methods General Builders rubber-powered contest models excel building strong light structures try use some tricks Use light contest grade 4-6 lb/cu ft balsa sheet wood parts hard balsa longerons wing spars medium-to-light wood rest structure Before starting construction sort balsa three four piles weight using heaviest normally hardest strongest wood fuselage nose near center wing tail surfaces lightest toward rear tips White glue used practically wood joints am allergic cyanoacrylate CyA glue would have faster probably lighter recently tried Hot Stuff UFO glue no problems would use building model now Build complete model before covering will much easier make fit removable unit control rods Fuselage I use perfectly fiat building board covered Homosote house wallboard soft takes pins nails well Cover plan plastic wrap Continued page 110 Motor size type Geared 05 Electric Number channels Three Flying weight 41 ounces Construction Built-up Covering/finish Silk/Nitrate dope 106 Model Aviation vable motor-radio unit easily removed servicing Radio equipment attached strong spar Front view fuselage motor-radio assembly removed Assembly held place two screws two dowels Bottom view servo access door open Pushrod clips easily disconnected rudder elevator servos Type RC sport Wingspan 72 inches GEITOR RIC Products Inc SOFT-N-SAFE ENGINE MOUNTS Soft Mount using special serrated lao-Damp Grommets Engine always safely retained Very effective vibration reduction dramatic decrease engine shake Light machined aluminum beam mounts 60 2-strokes 1204-strokes available Also available aluminum radial mount 60 2-strokes Soft-N-Safe 120 beam mount complete . $3495 Soft-N-Safe 60 beam mount complete 95 SoftN-Safe 60 radial mount complete 5 Soft-N-Safe Replacement Iso-Damp Grommets Pkg 4 60$295 Pkg 4 120$595 RADIAL ISO-MOUNTS Conventional backplate type mount using four Lord-Type 60-Duro isoMounts Optimized lowest vibration transmission airframe reduced engine shake Radial Iso-mount complete $1495 Iso-Mounts Package 4 $995 5/8 diameter x 1/2 long 8-32 female end 8-32 x 1/2 male other end 60-Duro rubber Provides solid support br accurate building Rugged 7-ply aircraft plywood construction Two sizes available Regular fuse up 6-1/4 wide Jumbo fuse up 9-1/4 wide Use building board base mount Uni-St rut Guide Rails versatile set-up Contains hardware & instructions including Uni-Strut information Box 4 Standard Jig Stations $2195 Box 4 Jumbo Jig Stations 2395 2 Five Ft Guide Rails & Mounting Nuts . $2295 GLASS CLOTH 7 oz/Sq Yard est Filling est Weave Lightest Finished Weight Includes Detailed Instructions Big 3 Square Yard Pkg $895 G6TO1I R/C Products Inc 3713 Pompano Drive Pensacola FL 32514 904/494-0203 904/494-0207 VISA/MasterCard Welcomed $4 00 per item SH esidents add 6% Tax 110 Model Aviation en/Weaver Continued page 106 waxed paper Use one-inch-long 16-gauge brads along longerons hold place over plans front half longerons 1/5 x 3/ts longeron doublers nose should soaked hot water allowed dry brad jig before uprights added will eliminate tendency longerons force sides out shape removed building board dont try build fuselage side atop other using large wood sizes instead make first side make two upright After removing glued first side replace brads original holes Add two longerons doublers glue already made uprights longerons have same crosssection should uprights will fit snugly assuring second side identical first protractor-guided hand sanding block device can big help make uprights diagonals have neat snug fit longerons pieces can cut slightly long few swipes sanding block will make fit perfectly lower opening FU-2 motor battery cooling air will exit through louvered servo door covered window screen keep out anything might blow fuselage landing taking off upper opening directs cooling air speed-control cooling fins Note lower longerons cut away clear hardwood landing-gear attachment blocks used bamboo tail skid bit bamboo seems appropriate antique formed over 3/4-inch-diameter dowel using heat gun certain point bamboo gets hot will soften like plastic held until cools shape becomes permanent Bend shiny side outward small door just front stabilizer allows rudder control rod taken out fuselage cut free two sides after covering allows covering act hinge long side servo access door also uses covering hinge thrustline shown scale centerline original Brown Jr engine raised gear box offset might appear Wing wing structure different original except scale rib spacing Bob Kopski s taperedstrength spar system used strength lightness see About Electrics Part 8 April 1984 Model Aviation Two t/s-square turbulator spars used instead sheet-covered leading edge laminated tips soaked hot water pulled around form least inch thick Use few inches excess length thumbtack ends dry paint white glue attach form again used scrap 3/ fir plywood bandsawed contour forms traced sheet parts inexpensive tracing paper stick balsa sheet templates rubber cement After sheet part cut template made paper tracing can peeled off leftover rubber cement will rub off part template thin plywood preferably aluminum template made rib W-2 full set identical ribs can cut spar notches can enlarged become ribs A-3 A-4 suit assembly Drive brad through template near leading trailing edges backing up wood will leave toothed perforation will keep template slipping W-5 plywood rib reinforcement ties wire mount attachment CI-IPNTMAS SAl 11 WINGSPAN 136 POWER 1-25 OlD 4550 LUS Balsa snd ply construction Fiberglass cowls scoops jriberglass fuselage wing center section gear doors 90 2 cid 27 lbs orsners firewalls retract rails etc installed Fiberglass Scale 95 Sport scale 105 stretched wing Istabilizer cowlings complete hardware includes KIT REG $495 SALE $425 till 12/31 Itailgear tire fuel tanks bar stock spinner domes lug-in wing hdwe Robart retract package avail direct E PRICE.KIT AND RETRACT P10 COMBO $1795 ICHRISTMAS SALE! leading trailing edges spars thus whole wing spars turbulator strips cracked allowed naturally bend down up tips Dampen top spars last W-2 rib assist Make wire wing mount parts accurately possible 1/32 X bracing tacksoldered front rear struts Bind joints fine wire used lamp-cord strands will little floppy first pieces added will assume its finished shape Some wrappings will have rewound accommodate added parts mount holding together wire wrappings set piece wood simulate fuselage Pin tape front rear struts wood hold bottom alignment wing-rubber attach hooks shaped allow wing cam itself off release rubber bands tip hits crash Slide hooks up snugly three-inch-wide piece will align wing fuselage dont want slop everything looks square start soldering Use 4% silver 96% tin highstrength silver soldermade Kester Stay-Briteboth landing-gear joints After soldering attach three-inch-wide piece fine emery cloth wood piece Rub mount forward back until wrapping wire solder bumps smoothed off four small smooth flats will sit rocking fuselage wear plates mount can now attached wing leading trailing edges should fit perfectly giving wing incidence 4O necessary bend top ends struts parallel wing parts Check wing 9O fuselage before final gluing 1/16 sheet added around wire exits wing gluing area aid covering also purpose 1/8 caps wing center line covered wing including wing mount weighs 7 ounces Tail surfaces stabilizer fin use same construction methods wing elevator rudder very light contest-grade balsa sheet eliminate warps simplified construction diagonals added fin covering bowed hinge line Robart Mini Hinge Points light easy install allow surfaces move easily friction Dont glue until after covering hidden elevator horn little complicated hard make appears paper Motor RC Unit removable nose radio-battery spar unit should accommodate geared 05 motors radio receivers Adjust elevator travel /s inch rudder travel 1 es measured trailing edge motor battery held spar wrapping 3A6 rubber-model motor strip used 16-gauge SR highflex wire Sermos connectors wire motor battery exact location battery determined model balanced Fit wiring neatly place hold spar wrappings 1/2-inch-wide Scotch Magic tape plans show following radio battery equipment Tower 500 standard-size receiver two Tower TSS-10 microservos Tower TSS-20 miniservo operate motor toggle switch SR Series 150 175 mAh receiver battery SR EP Max Pack Series 1200 six-cell motor battery resulted flying weight 44 ounces After plans completed installed Futaba Attack 4NBL-E radio THE LEADER IN COM PETITION NEW 4 NEW HIGH TECH AIRFOIL SECTION 10T020% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 534 634 72833456 8334568 84566147 94566A77/ 104566147 106W8W 106EW 1146774778 115W 116EW 1167 124W 125W 1256 1356 1456 1556 164N 16678 RC PYLON RACING SERIES 500 DIA PITCH 75N 5N 8I6778 SERIES 400C 866777 9777 W WIDE BLADE EW EXTRA WIDE N NARROW December1993 111 OS6NFD PROPELLERS A CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DE VELO P ED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIAPITCH THP 1266778 136778 146778 1567 16678 PRO SERIES 3 LI 11 Money Back Guaranteed 115S5251 * mcrsrt VA\NI0TR suoras VMNE AMAILABIL tor 2-Cycle 40 & up & 4-Cycle 50 & up Smoker Preheaters Are Twice As Effective As Head Coils MAKES CALL 1-912-367-0567 GREA TVisa Mastercard & HOLIDA Y American Exyress GIFTAccepte CENTURY JET MODELS INC 5 Martha Ct Sumter SC 29150 803 775-6491 RETRACT SELECTOR SPEED CONTROL VALVE 8305 Regency Woods Way Louisville KY 40220 502 491-4114 Four Infinite Adjustment Screws 2 Up 2 Down Compatible air system Dim 3/8 s 1 s 1-1/4 $2495 Wt 15 oc Semi & Deluxe Ducted Fan Jet Kits Eposy fiberglass fuselage canopy foam wings plans/ instructions Intake/Eshaust System esc F-i 00 F-100 Hun basic kit $18999 1/8 Scale 50 Removable Wings Length 63 Sport Hawk MK II basic kit $18988 Easy build Removable wing Length 59 F-lOS Thunderchiet basic kit $23900 Length 73 77-91 Engine No Cheater Hole F-4 Phantom basic kit $59900 HEW f/7 Scale Twin Engine Aileron/Spoiler Config Length 90 Removable 61 Wings LE/TE flaps Deluxe kit DC wood I/B pylons CP kit plus morel Landing gear tires brakes available [AMP] AMERICAN MODEL PRODUCTS Inc RT 3 BOX 37 BAXLEY GA 31513 Fax9123673577 COMPARE OUR RETRACTS TO THEIRS Stainless Struts cut FREElComplete Air System Stainless Torque LinksAsle Installed Different strut configurationsParts Service * 1 Year Limited Warranty 30 Day Refundt GIANT MAIN RETRACTS STANDARD OR 900 ROTATE 30-50 lb aircraft 2 sets 1 Standard 900 minutes 700 1100 retract angle Over-center lock down Hose gear available $27500 pair WI 15 lbs 1/5 SCALE MAIN RlMAuI STANDARD OR 900 ROTATE Fits PICA Skys P-Si 1/5 Yellow A/C Ziroli Bud Nosen plus Choice 01 91 Plyon Winners Handles 20-25 lb aircraft 84097 retract angle Positive lock up lock down Optional wire struts Nose gear available $19900 pair Wt 22 oz NEW 1/5 SCALE P-51 & SPITFIRE products proudly MADE IN THE USAI THE GREATEST RIC VIDEOSEVERPRODUCED Most Comprehensive Coverage Major DnciedFan Scale Events Join TELSTAR VIDEO take Back Best prestigious event scale aviation 5 full days 3 broadcast cameras captured alt 2 volume set runs tncredible 2 hours 45 mInutes Only $29 99 action excitement Dont miss out comprehensive coverage svailable TELSYAR VIDEO PRODUCTIONS INC fliIEiE 01 SE Decker Ave Suite 109 Stuart FL 34994 800 972 4847 Fax 407 220 4849 ALSO AVASLABLEORDERING tNFORMATION Visa MasterCard checks mosey orders accepted TOP GUN 92FLYING WITH THt ItST $189910% Disceunt ordering two 4TH ANNUAL JtTS OVER StLANO$2495the shove programs Shipping US Canada GIANTS OFTHt SKY-VOLUMt 1$2495and Mexico $250 first tape $150 ea addi tional tape Europe $650 order 10TH ANNIV GREATER SW FAN FLY$2495Europe call 407 286-2535 Add $5 per tape TOP GUN UK$2495for PAL/SECAM orders Florida residents please add 6% sales tax system has combination receiver-speed control two miniservos Since receiver operates motor battery eliminates receiver battery speed control eliminates motor-shutoff toggle switch its servoThis installation saved three ounces models flying performance enhanced also eliminated concem small receiver battery used because light would exhausted after several long flights receiver-speed control combo mounted cooling air speed control shown fuselage side view Two Futaba aileron extensions can used connect receiver servos Covering antique effect model covered red heavyweight silk three coats clear nitrate dope requires two square yards covering material have using Coverite Balsarite attach silk tissue since got some use Micafilm Balsarite hotmelt quick-drying liquid brushed framework covering adhered Its advantage over use dope glue attaching using model sealing iron covering can tacked place spots around edges tacks can softened iron covering restuck pull out slack wrinkles silk smooth can permanently ironed down around edges wing covering slit fit around wing mount wires silk sprayed water shrink tight doped Dope will loosen Balsarite best substitute silk Micaflim very tough almost light silk has translucent appearance much same doped silk tissue BACKYARD MICRO FLYERS PROFILE/SCALE BUILD TO FLY OR DISPLAY W35IIU Albatros Dt Fokker DVII tnk Triplane SR 5A snpwlth comet SPAD 8alsa Print Wood 6-8 Wing Spans Price 52w $250 en Money OrdeeOly Nucolyrt NSa enido5s add oter tar P4P Witdmt t6F HeSeat FW-t95A Haw Hunicane Heinket HetlI trackers IU-8f S MS-SD ME 262 Mit Zeae P470 Thandenbati P-555 Martang Spidlee Fantasy Flyers LOans 430 Pantsingvitle NY 11738 112 Model Aviation lable colors Use ____________________________________________________________[v32][b2235120191200]] same covering technique Balsarite given above silk wing perfecfly flat usual _____ 1930s lack washout has given no tip stall troubles Final Assembly 1A2 plywood wing mount wear pads stabilizer trailing edge reinforcements attached after covering attaching lower stabilizer reinforcements line up rudder-stabilizer assembly airplane centerline place snugly against fuselage act aligmnent keys attaching removing tail assembly Adjust battery spar make model balance point shown install motor-radio unit servo access door taped open fuselage held vertically radio antenna dropped until its end reaches door fuselage tilted ____________________________________________________________[v32][b21361183191500]] antenna end comes out ____________________________________________________________[v32][b21361212191200]] door Continue lower unit --engage spar end FU-4 support Engage nose firewall two /8 locating dowels slip nose place Install two 4-40 screws antenna can stuffed its tube two control rod links attached servos door closed use six-inch piece 047 music wire 3/s-inch 900 bend end tool open links supporting servos fingers support under links closing use six-inch length 1/4 brass tubing 3/ length flattened bent 90g wing held three #33 rubberbands wing struts front rear stabilizer three #32 Continued page 126 BJ FLOATS FULLY FORMED STYROFOAM FLOATS READY FOR FINISHING ____ MOUNTING BLOCKS AND INSTRUCTIONS INCLUDED - vO MODEL MAGIC PRODUCTS INC PO BOX 19784 ST PAUL MN 55119 612/653-9548 December1993 113 -SAFETY EUUIPMEJVT FOR TODAYS FLYER UNCONDITIDIIAL MLINEe BACK EDARA P1 TEE TRY Il IF YDIJ DOlIT LIKE IT WELL BUY IT BACK! ir Lduncher 5Ui & Pit Cr2wT DESIEAIED WITH ENOLJEH STRENETH TO151 LW CIPINION ITS PRODUCT WHOSE TIME HAS COME SAFELy HOLD MOST SPORT THRIJ I5IANTTHAT SHOULD BE CONSIDERED BYEVERYAMA SCALE PLANESED FIELD GARY SHA W -SAFETY COLUMN MODEL AVIATION AUGUST 1993 ELIMINATE RUN-A-WAY PLANES HOL DINE SLIPPERY FIJSELAI5ES PREMATURE RELEASINIi AND COMMUNICATION PROBLEMS ARM5 ARE FREE-FL DA TINE AND AUTOMATICALLY LOCK IN LJPRII5HT POSITION FOOT PEDAL IS IJSFIJ FOR E-Z ONE STEP RELEASE 0 Wo*Jqg Togetha 6...AI VIA z Industry Associate lIlIES FULLY ASSEMBLED THREE VERSIONS AVAILABLEINCLUDES FOUR ID INCH HOLD BIE BIRD7 7DOWN STAKES FOAM CUSHIONINE SPORT PLANEEALL TIJUA yFOR PROTECTION OF THE LEADINE EDEE AND SAFETY PEDAL STOP CDNTRDL LINEDEALER INDUIRES WELCOME Designed Change Wag People Fly 58DB LANCELOT CT SW OLYMPIA WA RB5I WE ACCEPT auncher Lu BOB 7BE-B4EI OR FAX BOB RSE-3419MASTER CARD AND VISA 2 order call Eric Sanders 513-299-7684 5 pm-b pm EST Monday-Friday day Sat Sun CAD airfoil editor-move coordinatea wlmouse create new points round Out leadiry undo mode 64x zoom pan mode coordinate ID mode shows current cursor position etc S Easy use mindowing interlace Pop up test editnr document airfoil changes-saved mith coordinates ulates elliptical planform rib lengths Chord queue allows templates several chord lengths printed oat unattended edit coordinates Pop-up calculator conversions s foam outline screen optimize template height Customizable screen colors are airfoils screen printer using overlay mode ts mirror image Calculates panel volume & surface area aide weight ostimationse Supports dot matrix laser iet printers Calculates prolected panel area airfoil cross sectional area perimeter length tion negative washout Modily airfoils changing camber thickneasmirroring combining tops bottoms different airfoils Interpolates between different root tip airtoils position within wing panel uts DXF file Both scaled unscaled hi-rca screen preview modes her\Cut minI calculator much much more. Remember wine accurate temolates CompuFoil Profeseional-$65 Airfoil Library w1135 airfoils-SlO S&H add $3 Also available-CompuFoil Standard-$25 CompuFoil Plus-$45 Demo Disk-$5 refundable order wIpe compatabillly product ordering information 3904 Traine Dr Kettering OH. 45429 279/Ill IFXOOIO8/bSc/8ls/ 03 k 1 IZES AVAILABLERETAIL 282399 322599 362999 403199 483699 564999 PLOATS WITH BALSA PaR SHEETING 283499 324199 364699 405299 485899 Custom Cradles Feature Custom molded gray tubing--no ugly fittings Special neoprene foam--impervious fuel oil Folds easy storage Custom design built last Ready use--no building Easily adjusted G9C44 eWSIm ~O4faC4 3177 East Fofl Loweil Road #1 Tucson Arizona 85716 Call today order 1 -800-CRADLE-a 272-3530 - AI -4rflO Taft Boy Custom Cradtaa Tail Boy Large25 tall 28 long 5 B wide fuselage-$4090 Tall Boy Standard32 tall 22 long 3o 5 wide fuselage---$3890 .Tail Boy X-Large--26 tall 28 long 8to 12 wide fuselage--$4290 F --AL l3et l\I5vq EVEEa TIVao&RLtIL -I mm ZZx Boy Custom Cradles Lo Boy Standardi 0 tall 22 long 3 5 wide tuselage- $2490 Boy Large14 tail 28 long 5to 8 wide fuselage $2890 Lo Boy X-Large--16 tall 28 long 8to 12 wide fuselage- $3190 VINTAGE P/C PLANS CPRRVIOUSLY SID MORGAN NEW OWNER-FRED NOVACI 5105 PINE HILL CIRCLE HOWELL MICH4 8843 __ L - CUIG77SS-WRIGtIT T-32 CONOOR IENGS 40-60 PLAN NO 08 RC B I&95 PLUS $395 USue $75 FORuC MANY MORE 1993 CAIALOGE $200 US 300 P0 W1 ON COWERS PIPER PRY-GA WACO SICNSON FAIRCHILD FIESELER Fl 156 C3 STO NCR MGA PILOTS FLY THE WORLD OVER m 98 enterprises po box 5631 tresn CO 93755 tel 209 224-4170tax 209 224-7289 Scale plans adding panel lines rivets also uses method check size placement markings Hal Winters baffled us slide-show questionnaire included model personalities aircraft model aircraft aviation personalities other trivia whole affair blast hope see type BowdenlVleaver Continued page 113 rubber bands side FLYING model clean sailplane drag landing gear wing struts large frontal area necessitate additional power achieve reasonable climb Use hotter 05 motors LeMans 360PT motor draws 23 24 amps about 140 watts during useful run about 31/2 minutes allows two climbs well above usual sailplane winch-launch height still air will average eight-to-nine-minute flights has good glide will soar well lift characteristics highwing parasol model tendency slow responding rudder control both going out turn During test flights found model needed rudder area reason rudder hinge line moved forward inch giving rudder area model now easily kept under control very stable longitudinally present after five summers flying am using wing incidence balance point shown plans social function again Nats Its time start building next years entries understand bounty Steve Ashby next years Nats anyone out can beat him Sport Scale will national champion fifth year row challenge has made See Texas ls strength tested during first trial flights radio motor speed control tested perfectly during ground checks air constant glitching control being erratic motor cutting off made several lucky flights safe landings nothing did radio motor speed control helped Finally tb model made full-rudder spiral di ground hitting nose wing tip wing flew off designed damage wingtip bent landing gear prop shaft few small dents nose cowl hit hard enough cause motor battery move forward 3/ inch though tightly rubberbanded motor spar could moved hand gave up speed control tried servo-operated on-off motor switch radio problems disappeared speed control necessary climb-andglide flight anyway condemn speed controls general know work perfectly probably something peculiar radio motor setup should have worked out During subsequent flying 126 Model Aviation WAFFE USAAFSTATE-OF-THE-ART PILOTS WWI AVIATOR 52495us WWII USAAF 52995 114 W W II N V Y 2495 WWII LUFTWAFFE 2995 CIVISPORT 2495 I/S JET TOP GUN 29951/9 WWII JAPANESE 1995 AVAILABLE AT YOUR LOCAL HOBBY DEALER OR DIRECT P&H $350 PER PILOT F RES ADD SALES TAX SEND SASE FOR COLOR BROCHURE 5 I Join Giants Help Promote iLJEfNon-CompetitiveI EUIJ _______ InIrpIonaI MoaIu.J*nca11 AccaIon IMAA membership includes quarterly magazine High Flight IMEMBERSHIP APPLICATiON IJ NEW RENEWAL Date19I Yearly Dues $1500 USA $2000 US Canada & Mexico $3000 US Elsewhere I Make CHECK MONEY ORDER Payable INTERNATIONAL MINIAlURE AIRCRAFT ASSOCIATION INC I Name ______________________________________ Ph _________________________ I Street ______________________________________ P0 Box/Route Box ________________ I ________________________State/Province _________________Zip _________________ 1City IMAA __________AMA Number ___________MAAC __________Chapter __________ L TO IMAA Secrotary DONE VINEYARD e 205 HilIdole Road na KS 67401 mmI occasion put model long vertical dive wires whistling get out strong thermal about make disappear overhead no fluttering wing survived dive pullout okay Fine trimming get maximum climb glide can go forever its part challenge wing incidence can increased shimming under front struts wing can also moved fore aft Adjust until get best glide angle elevator trim neutral model may require slight up down elevator trim get best climb Since no down right thrust used original find need about right trim rudders trailing edge control torque under full power CL SpeedlLee Continued paqe 73 feeling low Grandpa used instant glue fiberglass model back flying condition Mike put up three official flights fastest being 13378 score won first place Junior barely ahead Peter Brown 13318 Three Seniors tried fly David Van Allen Chandler Arizona get official time Dave came Nats Slugger Brown other Staten Island Speed Team members helping him Open fliers airplanes powered variety engines Aloise Team using two ACE engines Carlos built last year Some changes necessary use model SAM competition Make rudder elevator open-frame construction like fin stabilizer sheet wood shown Remove turbulator spars sheet wing 1 es behind leading edge Sheet wingtips rib W-l outward sheet center section three inches out centerline encourage power fliers try soaring like lot sports look boring spectator exciting participant Electric power quiet clean way get soarer either antique sailplaneup thermal-finding height perfect way go us old free flight thermal chasers losing wide open spaces young legs us Rossis 0S Nelson engine Aloise Team Tommy Brown Frank Garzon first second third until Connie Aloise showed up arrived late after flying Evansville Indiana Carlos picked up Carlos processed airplane morning Connie started engine required rules Slugger flew her first flight new 21 Sport Speed record 15244 backup flight same speed clinched record well first place Connie uses two ACE engines seems develop massive amounts power lower rpm During flight engine much quieter others believe using larger prop rest us December 1993 127 ALES INC Fiberglass Headquarters * BUY DIRECT * Super Bond 5 mini Epoxy Epoxy Laminating Resins Cyanoacrylate Adhesives es ective Hand Creams Masks Aprons- Polyester Resin al Sprayer Laminahng Brushes ers Acetate- Fiberglass Fillers Tongue Depressors Wood Mixing Paddles sive DiscsSandpaper Foam Brashes- Fine-Weave Medium Hesoy Weight Cloth ar on Fibers TECHNICAL INFORMATION kexier tepee cerbon fiber tapo & CAUTOLL FREE xerbon fiber trend avoilable tI WI OIl IL Nt 1-800-589-4444 18621 E Nine Mile Road Esstpointe Michigan 48C21 313 777-2032Fax 313 777-0350 R/C BEGINNERS hobby loses about bait Its potential fliers because fail successfully solo IT ISNT THEIR FAULT ITS THE PLANES FAULT just some rn advertised trainers impossible tor average beginner solo seems norm crash ruin 4 5 planes before becctming successful both stupid costly mention real turn-oft new student quite unnecessary YOU COULD SOLO YOUR FIRST TIME UP Thanks extensive trainer flighttesting ever conducted hobby can now know advance ones fly slow hands off stable easy enough Grandma lust so-so intermediate Which ones deserve trainer label Send $350 plus 520 postage EASE-OF-FLYING RATINGS OF R/C TRAINERS Over 40 currently available train ers evaluated including ARFs Also grades easeof-building explains trainer aerodynamics dares address questions poor trainers good trainers marketed does no warn about Guarantee Yosr money back yos say eye-opening candid enlight ening time-saving money-saving frustration sparing R/C publication have ever read Send chock money ardor Jim Waterman 3818 Deerfield Dr San Antonio TX 78218