NO OCR TEXT NO OCR TEXT Left A dolls head local toy store adds feminine touch variant uses Saito 120 16 x 6 prup iurrNS]fiberglass landIng gear Ace RIC 4-120 kit preferable such setup Right Docs all-time favorite Control Line rimudel wa Saftigs Zilch QuIte accident bit Zilch turns up Bingolwhite Oracover fuse tail orange transparent Monokuru wing white Rustoleum border Black Multistrlpe DJ company sets off Left Outfitted SuperTigre 2500 Romco Tru-Tum 3 112-in spinner JTecs Giant Snuf Zinger 16x 6-10 prop Big Bingol flies quietly 40-powered models yet has plenty brawn An Ace heavy-duty aluminum landing gear used setup Right Look ing belly wing removed sidewinder ST 2500 installation JTec Super Snuffler works well pretty nice look author replaced shorter fiberglass gear originally used longer aluminum unit after breaking too 18-in props $10 landings hasnt broken since Note four wing hold-down blocks servos rails carbon fiber pushrods 30 Model Aviation tall brace wires particular ver sion fastened stabilizer sol der links sections nylon control horns pass completely through tail wheel block crimped buried tank leaky tank favorite maxIm Docs ProvIdIng access tank plumbing hatch held set plywood rails threaded 1/4-20 nylon bolts An overhead view empennage brace wires Nearly method attaching bracing fine 4-40 threaded rods related hardware absolutely cannot omitted desian ins amuminum iuus flu UUWS IIUSA ins supursisu wing nauvec Ins cxii nomes ior inc aileron cables joined Ace RIC noise trap can also seen Bingol decals cus tom generated Apple computer transferred sticky-backed vinyl BALSA MEET Ye 4 BALSA A ioP & 5011DM BALSA SKEET TE N - LITE PLY 4 SQ SPRUCE STRIN6ER K - LIrE PU CORE XBALSA loPoSQrroM 4x4 SPRUCEJ SPRRS i SQ SPRUCE ~4 BRLSfi SHEET - PU / RCE L5GIANT STALE13 E5025 WP SKEETLPNDINCGERR COWL4Z5K 228FIBERGLASS 4 DIR WHEELS 00 PLASTIC S SPRUCE lop & norroM SQBALSA TI CAP N N NLITE PLY RIBS N jUrE 4 BALSA WEB 9 SALSA I/SE CITE PLO FUSELAGE MBTTOiJI GRAIN CROSSWISEV TUG SMRR*ROOI0 TUTOIG OTO TUBUUL 7 R MOUNTALLS LANUINA GEAR I/B IRE PLO LUGRALGAP2 SOEETS/U B LGG BLOCE - I FUEL TUNE UP TO SAGA SALTS SLACK----4--5/B BA/RU STRET COWLFMElS/p MO EN I/S LITE PLoTRI-STOCEF-i AG PLYWOODMLISD GUTS —W FIREWALLACE GIANT SCAS LANDING GEAR DSEGAS FOR lB OR LARGER PROTS-AGLARTO GLARS SEE SET 1550 ELhLI Cutouts can easily made drilling A-in bole part threading blade hole reattaching saw sharp modeling knife works well tabs slots ** Medium-viscosity CyA cyanoacrylate glue epoxy adhesives used prototypes Big Bingo simple build easy keep good alignment provided use smooth flat work surface follow sound principles construction Remember straight model will fly straight Wing Since wing panels will needed early fuselage construction its preferable build first instructions assume youre using Ace RIC wing kit prepared make rib templates transferring pattern rib onto Lite Ply using carbon paper cutting out drilling What follows intended cover just key points wing construction Ace kit use will include instructions modelers experienced cutting ribs out scratch would find instructions superfluous Begin punching out ribs die-cut sheets ribs identical except eight fitted %-in hole between cutouts x h-in spars sequence center section ribs permits wing joiner tube create 32 Model Aviation its bare bones Big Bingo iooks deceptiveiy puny difficult buiid fact frame work made aimost entirely hardwoods couldnt stouter Think house looks before scaffolding coveredor full-sized airpiane matter Using iots lightening holes pays off author once weighed cutouts holes 84-120 monopiane came up slightly over 16 ounces Ace RICs 4-120 monoplane kit can easily adapted Docs Bingo making simpler build Big Bingos sleek sexy-looking fuselage resilty nothing simple box fitted out some extra formers cockpit tank cover holiow require oniy small amount balsa block Nothing complicated about building model Full-Size Plans. Page 188 1/8 CITE PLO ..I/O TA SPRItE STRINGERS PLYARTIOSAL CRAY ENING HOLE ICTOSS-STOASI T-41-5T-BT7 SLOT TA SNOWSBOCE POE ERNST TAIL/ FROR~~ ~MOTTOW VIEW TAILWHEEL BdOUNITN6 BLOCK FUSELAGE BOTTOM HALF VIEWOTLITE PLY PDSELAAE AlOES AXCARSHPYRASSWOOO FUSELAGE TOP HALF VIEW AEFLECTESS JOAAOWALO aTE PLYCASOPY IS OVA CATLE FRAN R S ROLNA SGEEAADYIAtOCCGL orI/S LYE PY_____________________ TAG SILSTEAOHOAWETELSE 50770W CONNITA CS GYOIO_______________________ TA SOS SCONE YE I 701 GORY A/AHOOD ATFOR OGGLONG ICITE PLY OIST FAT TX SHEET 7 LX -SII RING ATTACY -1KR/R WA/GA ALACOMWNANNY ---K ~PLSTRAORASSARCOS/TO ANEXO AON 01/-EAITS80CC /S 0/A IIkSSH DEWYAICWHEEL IR CRC PLCWNYNLET SIDE VIEW______ 88WW88R F//SE TOTTOW8A /8N8A8NTSGT /R YAICRAAEEL PRFUSELAGEOTAGEET 1/080003-I/O CITE FLY SOAR BADE SOIL I/A 10781 CIYN PLY S ALSO SNOWS /5 CITE PLYT-3 F-3TJSARAO GJIAESOR CITE PLO YASA SPRACE -A Vii PUSURAA S COOTROL HORS DETAIL WISA AREAlAOS TA IS LERATH5R RE/OTT1045 CRA PYREX100 000 AS POPLAR PLY ARD ELT dihedral angle first rib has A-in hole rear area joiner key fourth /8 larger around perimeter Though number 2 3 ribs look alike tube hole #2 closer top rib #3 Label carefully avoid error assembly Experience has shown Hot Stuff Sprayment technique works best wings can construct panel less hour using method described below Lightly spray flat piece plate glass 3M Sprayment 77 Place plans glass spray lightly cover waxed paper plastic wrap Coat waxed paper fairly heavily Sprayment allow become tacky Position align parts holding place Sprayment Begin bottom trailing edge sheet add bottom spars using rib two perfect alignment alrfoil flat bottom spar rearward simplifies task considerably Use scrap ply dihedral gauge position rib #1 Shear webs precut carefully sized used position other ribs Once center section bottom sheeting place glue ribs flowing CyA both sides joints PVC pipe leading edge should prepped 120-grit sandpaper better adhesion certain amount bowing normal pipe will straighten its glued ribs Add hardwood bolt blocks sheet top center section Add top spars wing tips etc Over years Ive developed few special wing construction techniques used model Adding x A-in balsa strip block sanded contour center section ribs join Lite Ply sheeting considerably creases gluing interface latter balsa strips shown plans prefer mounting aileron servo plate wing 3-48 bolts blind nuts rather screws Two strips scrap February 1991 33 MODEL AVIATION BIG BINGO I9NATB~ 3888BEES DAMMING BY DDE DEBARCA see Lite Ply cores balsa top bottom incredibly strong yet fairly light configuration Note ply doubler top bottom center Section says have drive van fly big models Doc designed Bingol fit Tercei Plenty room model support gear no passengers allowed 5CR SCRAP BALSA /K /LIACTENISAICA1C2 SPRACE RSLESrop B BOTTOM LEFT WIrIG PANEL Z71z7- v --JR LICE PLON6-OCABALSA JR LTE PLO STAB CAREB BOTTOM CO BALSA ARRCB BALSA TOP B BOTTOMCI N ICR A AND SATTOMROBARTN NTOME POINT I/ K LEVATO _ARC CA LITE PLC E EV CORE 3CR DALSA STE ET TRALIB EASE spruce run parallel servo prevent flexing piy plate aileron pushrods attached lower portion servo arm no bends pushrods needed Two servos least 25-oz torque needed should connected noise trap wired Y configuration Ace R/Cs #26K17 servo works well Care should exercised before installing aileron setup Breadboard servos connectors determine servo orientation gives up travel side down other little preplanning will prevent problem later Tail surfaces Make plywood center cores inserting carbon paper between plan wood Cut out cores pin flat work surface Build overstructure over platform cores side time Any stress relief warps ply will flatten out automatically Note precut slots Robart metal center hinges Youll never hinge large surface easily can either round off %-in balsa outlines edges shape airfoil Both approaches seem work equally well Dont install hinges point Sand tail surface structures set aside until later Fuselage joint line shown plan based use 36-in Lite Ply sheets 34 Model Aviation tIl wheel tiller embedded reinforced area rudder Rocket City control horns wire joiner elevator halves also slightly set face allowing tight seal hinge line Big Bingo uses several innovative construction tecflniques Hobarts steei pin ninge poirns fitted precut slots Lite Ply empennage coresa simple incredibly strong ar rangement Ernst quarter-scale tail wheel bracket epoxied slot large hard wood block making too nearly indestructible allow dihedral four center ribs cut holes phenolic joiner sequence Its essential identify number ribs tube socket will fit properly 114-in hole rear rib #1 short dowel section glued wing half slides hole index other Full-Size Plans. Page 188 SOPOR PRODUCTS TC0CO 0 OCLITE PLY SHEETING / ii-j - -RB TOP N BOTTOM11 IIII 4 CO SPRUCECOSG BALSA BEAM B-SWO2 N-NBSBU 50CC WOAP CENTERj4K SECTION WITT PSERii Cl CACX epoxoII[ [ MaTOX CX 3DB GROUCEINE ICX OS SPBUOE LB LITE PLYBUSSOCCO BLOODROBBOT TINGE ii PUSSOOX EXITPOX BINS GOTACOPOINT S PER [ - GILEROB ii7 -4 717 RUB OX OR ALSA TOE N BOTTOM TABILIZ w W3Q qCW-4 BOTE GLL WING BIBS GRE SB LTE PLY WITO LIGRTENING GOLES BGBNGO BGLNGA CX 10 OPRUCE BOIN ClSPAT TRO B BOTTOM RIGHT WING ROR 050 -NCC XGLSU 000CC CEBT STAIN WEG SEBSORXEOeDIBWITXXXXLSGTE BXIBRLXTIIEXBSOREMBCX OJEXONLRLPTE XCI BOXERXJLI RON IAMN ______II 48-in sheeting used joint line wont necessary Since its reinforced doubler joint has ample strength Make fuselage pieces using car bon paper transfer method described above means use straightedge draw ing cutting straight lines lightening holes shown turtledeck formers used lighter weight power plants tend make plane tail-heavy contrast ST 2500 larger engines produce noseheavy condition large gas burner engine used sure add x A-in strips inside fuselage top F3 rearward along bottom/side joint type en gine youll also need -in triangular balsa reinforcement fin-stab junction Since Lite Ply sheeting has good side not-so-good side youll want arrange right left pieces bet ter side facing outward Though ply bows after its cut Big Bingo design locks together overcomes potential problems warpage takes real ef fort build fuselage crooked Install doublers epoxy taking care align structure side using small scraps Lite Ply matching slots Weight down assembly flat surface epoxy cures sure re assem bling both right side left Fit F-l F-2 F-3 cockpit floor gether gluing Slight trimming tabs slots may required just make absolutely sure assembly square planes Tape unit together flow medium CyA along joints dou ble-glue parts tank hatch floor held place masking tape rather glued sides Glue hardwood landing gear block securely reinforce piece hardwood triangular stock Install rear bottom piece drawing sides masking tape % x A-in tail post place clamp fuse lage together rear being sure keep edges lined up Adjust rear bottom squareness Apply CyA along joints including side joints tail post Glue slotted tail wheel block place slot centered fuselage bottom Glue T-3 atop F-3 using two pieces scrap Lite Ply rear joint reinforce ment Add remaining turtledeck formers 7 note reinforcement scrap pieces making sure right angles fuselage top Epoxy triangular stabilizer floor place flush tops sides Install x -in spruce stringers Note T-3 T-7 notched other formers have flats string ers permits some adjustment stringer assembly smooth contour set stringers tucked below sur face line meets T-6 rather extend ing beyond Trim stringers length smooth round contour strip sand paper Drill firewall suit particu lar engine mount youve chosen current Big Bingo uses ST 2500 engine JTec Snuf-Vibe mounts Super Snuf fler muffler Its neat setup far quieter muffled 40 two-cycles Glue bottom front fuselage February 1991 35 Wing construction under way ne center rigs set alnearal angle using jig oth ers should perpendicular work surface Except balsa aileron rear rib cap wing constructed entIrely spruce Lite Ply Left The wings built bottom up fiat main bottom apar rearward weights being used bricks work fine hold ABS pipe leading edge against rib fronts pipe CyAd ply Right phenolic tube used socket alu minum pipe wing Joiner glued eight center section ribs compensate dihedral Note large basswood pass-through block hold-on bolts use Lite Ply center section sheeting Left Lite Ply wing tips small scrap balsa gussets simple lightweight strong outline designed easy covering same piece material used wing surfacea one-piece-top one-piece-bottom approach Pulling plastic sheet out over tips applying heat eliminates wrinkles heat pull stretch tack Right wing bottom left top right aileron servo used wing panel servos mounted removable plywood plates single small slot covering Theyre com pletely enclosed protected sprayvery handy flying off water Note paper tubes servo leads noise trap its grain has cut properly wood should bend easily Make cockpit hatch Build balsa rails fuselage cut Lite Ply top glue rails Balsa block used form quarter-round tapering fuse lage sides shown plan After final sanding cut hatch area free razor saw hold hatch place attach two strips A-in plywood its bottom thread -40 bolts hatch through fuselage side Position hardwood wing hold-down blocks shown plan blocks should centered 3 rear F-2 rearmost 3 front F-3 must flush wing saddle can rasped final shape necessary Place completed wing assembly saddle Mark equidistance tail post Measure mark locations holes drill through wing fuselage blocks Remove wing tap blocks A-20 bolts Enlarge wing holes Although enough room has pro vided Du-Bro 20-oz tank 16-oz size sufficient large SuperTi gres Coat inside compartment bottom hatch epoxy before installing tank Position tank high possible both lines exiting firewall cradle foam rubber 1 200-mAh flat battery pack will fit under 16-oz tank Install throttle linkage engine temporarily place Use whatever method prefer hook up throttle carved wooden cowl shown can simple fancy wish Re member fuelproof cowl interior Tru Turn makes spinner backplate thats espe cially drilled ST 2500 ST 3000 engines 3-in unit has worked flaw lessly have range options installing engine aesthetically appeal ing Some prototypes use sidewinder engine mounts others have engine stalled upright still others employ another fiberglass units market Rudder elevator stabilizer fin pushrods Tack glue stabilizer fin keeping perpendicular aligned rear stab Using Robart hinge point bring units together glu ing its much easier hinge permanently after stab fin covered File notch stab trailing edge clear ance elevator joiner wire Slip tail wheel tiller arm hole rudder place assembly fuselage stabilizer mount Slide tongue tail wheel bracket slot tail wheel block attach bracket ep oxy Tack glue stabilizer fuselage Hook up elevator rudder using fi berglass pushrods appropriate hard ware Cut 4-40 threaded rods 2 3A -in lengths front 6/2-in lengths rear Slip Dave Brown plastic plug over rods pointed right gle rod end Leaving fiberglass rods full length drill % hole inch end side Assemble pushrods poking bent end wire through hole shaft smearing plastic part ep oxy thick CyA pushing shaft Secure wire thin CyA Re peat process other end prefer 4-40 solder link servo end ad justable clevis surface end Slip pushrod guides over pushrod install fuselage rudder elevator pushrods cross over rudder pushrod exiting lower fuselage slot elevator pushrod top Install Rocket City -scale horns rudder elevator pre drilled holes Continued page 148 36 Model Aviation models fill need hotdog show-off sport plane Knife edge take-offs flat spins snaps anything can Wing foam Fuselage Tail lite ply balsa Builds quick lands likes trainer Flying weight 10 lbs 184 13 lbs 192 1 Oh OHIO SUPERSTAR PRODUCTS INC 11375 RIDGEWAY ROADKENSINGTON OHIO 44427 7215-2231950 Larrys Emmy/Jolly Continued page 26 won Most Realistic Flight award team hand Emmy certificate display hundreds mod elers watching read Model Aviation article day turned out super homecoming ol 723 cant tell much means LIMP team able achieve such performance Winning Emmy model aircraft bound reverber ate better public image hobby hope everyone whos interested model aviation can share inand ultimately bene fit fromthis award After Miracle Landing couldnt have made except model makes glad proud II Big Bingol/Mathews Continued page 36 Adjust wire length servo end neutral position both servo horn surface being moved Disconnect pushrod horn end pull rods forward solder front links sil ver solder Temporarily remove fin stabi lizer give model final sanding before covering choice landing gear units given plan youre using 120-stroker smaller two-cycle engine Klett fiber glass gear included Ace 4-120 kit preferable since its nearly pound lighter longer aluminum unit Klett unit however will safely clear oaly 16-in props landing gear can secured fuselage block #6 x 1-in sheet metal screw 6-32 bolts blind nuts prefer Covering finishing Since Big Bingo wing uses stressed-skin engineer ing principle seen full-scale aviation depends covering material some its torsional strength Hence softer lower-heat covering plastics inappropri ate still leaves wide choice MonoKote Ultracote Oracover Koverall dress sheathing have tried successfully Heres quick-and-dirty approach fin ishing use plastic film everything except inside cowl under tank area latter sealed two coats K&B Superpoxy clear painted white Su perpoxy usually spray landing gear wheel pants Rustoleum course can use own custom finishing method long dont cover wings lower-heat materials prototypes covered ange transparent MonoKote Rustoleum white borders wing looks wonder ful some paint has chipped pre vent try using primer Mono Kote before spraying color used DJs Multistripe material pinstripes sealed fuelproofed brushing thin layer Superpoxy clear Wheel pants must Big Bingo wont look right Several choices available ABS variety Ace R/C works fine Ace also carries fiberglass AArr 0* TRIM 420.-tCSHEETS 0 oP major decalsOver 750 Select __________________________________*7 1/4 scale 118Sheets *80 Size38Sheets *40 size138Sheets *Propeiter Decais nly 16 Sheeis3sizeson ea *Kill Markings only16Sheets *Nomenclature Markings 13 Stzes-12 Sheets Black Whitecopy * T mShees 434 26 slOCoosseecoc cha * Letters Numbers l1/4-3/S-1/2-518-3/4-7S-1234413116 10 Coiors See coior chatl * Fags Ame can Unted Kngdom Cost ede e * Stasn 0 Coos 9 Sacs pus Slice o Asso ed S zes DECALS PRESSURE SENSITIVE WATER TRANSFE Aaihentic modei insignias preusare sensitlo e major decals water transfer 1/4 scale 40 60 size propeller decais World War ii hit mark ings stars hugs utters numbers trim sheets II LNOSTREAST SCREEN GRAPHICS 21 FtSHER AVE. EAST LONGMEADOW MA 01828 TEL 413-525-4110 148 Model Aviation SPORTOBATIC 17995 18995 84 Far 120 4-cycle 90 2-cycle T 200025003000- OPS 18 NEW 05 BGX13500 SCRATCHBUILD 14 SCALE PLANS span sheets price CESSNA AGWAGON 123S 4 ,S60O0 CESSNA U206TU206 107i5 0S650C CESSNA 152 AEROBAT 998 3 rS55OC PIPER PAWNEE[v32]T108 4 nrS6OOC TRANSA VIA AIRTRUK 1178 5 nS65O0 EDO FLOATS58 2rS3900 EDO AMPHIB FLOATS 61 3 0S4900 Add 40Z Surface Mail P & P VISA & MASTERCARD Welcome tEND l5zlt5tO POt COMPLETE LiSTiNG ALL PLANS tOOtS zuPtODUCTt SEcAICES Ff1 F WITH ALL itROtilS NEW ZEALAND AERO PRODUCTS 34 cues palatE STifLING POINT ELUFF NEW ZEALAND j4f YOUR SHIPPING AND HANDUNG 7 NICAD FIELD CHARGER EXPAIIDED SCAIE VOLT METER ATE OP TIRE ART CROARESTI FOR PORE OR1105 11113 CORRECTLY 0*01 0110 FOUR CEO BATTERY PACES OPESATOS 3130BATTERY 011111 TESt ROW DISPLAYS OR DRY 1101 CAR 1340111 11100140 301111 OTATILS ON ERADRAPO *010001 DIADES RATIERY PRODS 011*011 TODEITIER OR IROIILIDROLT 00 DY 10111017 CR11 REDESIGNER FOR 11111 00 IPERATLIR lOll SELECTED TO ETTILOD 51 IX 110 MOLOOROPSSOPLEIR ACCOROCI ThE CLRCD11110 PROVIDES R TROI ROROL11TI11TEI BECEADDEY SRI mID OR LRIO KSOR30*01110 111011 Alt EI0RL1111AESS*0 II S 100 RILEB CLOODES 1111CORETIIISS AD IBSTIRD LI DESIRED ORE FIRS DEALT IT 1100 LOCAl PACKS LID U INSLEATE 1100 00*110110 PROGRESS CIRYRECTOIIS 1111 ADSFAI11CALLY SITICRES TO 110D10 ALBO 711111 ESASOIRD IS EOAPKSTS AXOELEES A 1043 BATTERY TO OPERAIR 0111$4495OILY $3495 1-800-749-5942 [CALL FOR INFORMATION PAC A OR77YTY SEND CHECK OR MONEY ORDER T0 H DOUPER 1 PO BOX 90173 AUSTIN TEXAS 730709 units Extra 230 part #13 E 5030 WP tAhat look terrific Fiberglass units Sig Manufacturing Companys Bravo used prototypes Preflight checking construction article read recently offered startling way approach balancing model Ac cording author model would tilt approximately 15 downward bal anced indicated points contra dicts long-held assumption down ward-canted model nose-heavy model balancing instructions conven tional Test center-of-gravity placing fingers balance points shown lifting model built balanced correctly airplane should remain level rather tilt either direction Use ward balance points pussycat flying Go RAPID NICAD CHARGER field charging nicads $5995 adjustable 100% capadty MOSPET field charger 4 cell RX H cell TX nicads Using state-of-the-art MOSPET technology can rapidly field charge 48 V RX 96 V TX nicads simultaneously Independently Plug cigarette lighter socket plug included push button unit will resti Will high current charge PULL 100% CAPACITY WiThOUT ThE CAR ENGINE RUNNING 120-140 V source Automatic Voltage Sensing circuitry will temlinate fast charge LEDs will Indicate unit will revert trickle mode Current adjustment up least 1000 mA factoRy set 500 mA allows fast charging nicads excess 1000 mAll capacity ability used home trickle/overnIght/fast charging system using 12 V DC regulated power supply GLOW SWITCH 2 & 4 STROKE ENGINES $3995 board Glow Switch allows easier safer starting tor 2 4 stroke engines Just throttle back flip prop No external batteries cords deal Works on-board 12 volt nicad cell Automatlc Turn OIl means unit shute olE receiver powered dowiS Will work API PP1W 7CM radios Servo reversing adjustable trip point LED indicator Will work 1 2 glow plugs Ideal inverted cowled engines Proddes reliable IdlIng especially 4 strokes dual POWER MOPPSET design ensures extremely low voltage drop therefore maoAimum heat glow plug Unit shipped tinned leads Also available installed Cutaba J connector $500 additional RK ELECTRONICS INNOVATh/E ELECTRONICS 30 FaIR Run Hudson P1ev hampshIre 03051 882-0022 rearward ones stronger aerobatics Im constantly amazed wide range safe balance points airfoil IMAA fly-in recently bolts stripped out big SuperTigre Tatone Snuf fler fell off yet performance landing nearly normal took close-in flyby tell certain what lost Snuffler way found almost pound weight shaved off its nosethe muffler unit weighs 14 ozthe model flew just fine Try ordi nary design Ive seen 10 different versions 4-120 low-wingers fly turned out below expectations lot things wrong model wasnt develop ing full power due being mispropped wa balanced rear main spar surface deflection de i c~TAr v 4cDBL PRESENTS THE NORTH AMERICAN E1I F cJrJcr8 Prepald Ordef 51 Money Order Certified CheckShipping & Handling $500 COD Orders Cash Certified Check collected delivery Add $350 above amounte DEALER IIYQUIRIES IIYIJThD Prices Specifications Subject Change Without Notice Designed manufactured USA scribed wild-side hotdoggingand its pi lot scared death Absent other factors last-named would have cured itself Properly set up Big Bingo large well behavedso docile fact anyone whos comfortable Ea gle should able fly no problems Before heading off flying field test systems operation tighten nut bolt once moreand go get em Flying Ive repeatedly amazed delightful idiosyncrasy entire 4-120 Big Bingo series have no explanation other pure dumb luck models have inverted profile outside maneuvers better side ones though airfoil isnt truly symmetrical darned critters dont seem Continued page 150 SZ~ PRICE KIT FEAIUlES * FLEXI-GLASS FUSE * MACHINE CUT WINGS * MACHINE CUT STABS * ALL BUMPS & BLISTERS * 5 VIEWS & PLANS * CLEAR INSTRUCTIONS * GENEHOUS HARDWARE PKG * CARBON FIBRE SPARS * ALL VACUFORMED PARTS * CLEAR CANOPY A RETRACT LOCATION SHOWO ACCESSOR ES AVA LABLE * STATIC & FLYING SPINNER /PROPS A FULL COCKPIT KIT * BOMESI TANKS PILOT * RETRACTS & STRUTS lADE IN THE USA MODEL BUILT BY HI-TEC MODELS BOB MELE TO ORDER SEND CHECK OR MONEY ORDER TO INNOVATIVE MODEL PRODUCTS INC P OBOX 4365MARGATEFL33063 OR CALL 8007803190 MODEL SPECIFICATIONSSPAN76 25IN MASTER CARD & VISA ACCECPTED WEIGHT 15LBS ENGINE 108 2CY 120 4CYADD $2000 SHIPPING AND HANDLING February 1991 149 MtJ 8ThIG SEND $100 FOR CATALOGCArRT 1 NEODESHA KS 66757 OF SAC KITS AND ACC316 325-2821 FREE SHIPPING ON KIT ORDERSVISA/MASTERCARD know theyre upside down turn printer unto airfoil plotter wuth. hands good aerobatics pilot Big Bingo will Lomchenvak FOILED AGAIN!Manturer Hi enters maneuver inverted have no idea whyPerformas comes other maneuvers PLOT AIRFOIlS IN ANY CHORD UP TO 24 INCHES raft aerobatics repertory Big Bingo limited MODIFY THICKNESS CAMBER & TRAILING EDGE PLOT SKIN THICKNESS FOR SHEETED WINGS pilots skill Snaps spins fig- ENThR DATA EASILY VIA INTELUGENr EDITOR R-FRIENDLY MENU DRIVEN OPERATION ure eights vertical eights Cuban eights INCLUDES 18 PAGE ILLUSTRATED USER MANUAL snaps top inside loop inverted $4500 spinsthis model can all.. , p.oo other end scale Big Bingo ~ooooeaosooo L PEP PER aerodynamically clean design can way down wont get squirrelly MODELS INC model tracks exceptionally well take-s~yjv itware 714 496-69612526 Washington DuboqieIA 52W1 31915834130 off needing touch right rudder about24843 Del Prado #141B Dana Point CA 92629 halfway down run can trimmed fly hands off yet will go exactly its pointed once maneuver begun- Ive worked out some special chore &J ography aircraft During vertical ELECTRONICS climbout deflect rudder alternately left b right make plane wiggle Lucy Road ll MI 48843 5462644 way up follow stall turn andWe service makes RIO equipment utilizing state art electronics half roll way down call theSpectrum Analyzer Precision Frequency Measuring equipment True 1991 Bingo wiggle its beautiful toStandards endorsed bythe AMA&ROMA inthe TransmitterSlicker Program watch Because airplane stable Licensed Speed Contrel Repairs Quality Service inverted spectacular low-level low-Transmitter Checks Only includes GOLD/SILVER sticker $400 power inverted passes safeTransmitter & Receiver Calibration $2400 Landing 4-120 monoplanes bipesFrequency Upgrades & Changes crystals extra $2900 bit unusual since landing gear isBench Time Repairs per hour $2500 farther forward normal Its possible ransmitters service will receive AMA/ROMA sticker gorgeous wheel landings slowing ADD $500 FOR SHIPPING & INSURANCE model down well out final approach TURN AROUND TIME TWO WEEKS OR LESSil bringing onto deck no flareuPs VISA/MASTERCARD ACCEPTED COD ALL STAINLESS STEEL HEAD LITE IItm BEST GLOW PLUG CONNECTOR ______ Stainless Steel HEAD LOCK BEST DESIGN ____ Welded No Solder Acid Flux Flexing Wires BEST NiCad ____ Field Replaceable 12 AH SANYO 15 AH PANASONIC BEST QUALITY & GUARANTEE _______ MODEL PRODUCTS CORPORATION BEST PRICE __________ St #045-WIO NiCad Charger$ 995 available write direct St #040-With NiCad __________________$ 1595 add $100 $200 outside US St #041-With NiCad & Charger$ 2595 MODEL PRODUCTS CORP RO Box 100 Allamuchy NJ 07820 201850-1508 150 Model Aviation 10 SPAN 30-,, L 5 00 POWER 5-10 LB PAYLOAD OPTIONAL SPREADER KIT $26995 SPDKIT$1995 FOAMAIRE 74 IN WING SPAN 6-7 LBS 45-60 POWER 10 SPAN 19- L jD-4 00 POWER 4 OH PLY FOAM AND BALSA WOODOHOOSE 3 OR 4 OH SLOW AND STABLE KIT $69953 CH $14995 4 CH $16495 ev 1m LET US BUILD YOUR NEXT R/C AIR CRAFT WE WILL BUILD ANY AIR CRAFT INLUDING GIANT SCALE IN THE BONES OR READY TO FLY PROMPT DELIVERY NO DEPOSIT REQUIRED BYRON KITS WELCOME BUILT TO FLY CALL FOR PRICE QUOTE FRANK V PONTERI MODEL AIRCRAFT CO 609 391-1855 Flared landings can executed nicely too airplane will have slowed down less final approach giant return modest investment cant better simple-to-build low-winger Big Bingo has incredible power profile tantalizingly broad per formance envelope thatll take cile pussycatting pull-out-the-stops aero batics Its easy model enjoy RC Electrics/Kopski Continued page 39 take place right battery terminals batter ies best condition ie batter ies relatively high internal resistance could case receiver packs have seen years service may have some abuse However also possible have receiver voltage variationbattery condition notwithstand ingif something receiver wiring resis tive likely suspects would connec tors possibly switch Thus receiver circuit resistance battery and/or wiring cur rent demand moving servo could cause enough voltage variation affect operation speed controls prone act way first place turn motor could react speed change giving clear impression radio static glitching problem isnt really Modern Eleetric system installation what else right after Vintage discussion topic Ini tiated October column planned short continuing series second install ment wasnt expected distant time first idea behind mini-series help get past store-bought packaged systems set about own Electric wiring confidence idea topic came talk given local club meeting lots lots interested folks very eager learn themselves custom instead just store-bought reasons Personally Ive never found ready-made system concept fully satisfied needs interests example like use wide variety products ten makes incompatible connectors deal have chosen use limited number connector styles planes equipped always fuse systems Some manufacturers dont improperly some do improperly insist nor digging planes undoing some system connectors charge always have charge connector right surface model ready accept charger connection addition rarely case packaged wiring harnesses fit right plane seems never enough wire length much too muchwith too bulky connectorsso squeezing can real challenge times mini-series will illustrate discuss cus tom installation wiring techniques work well course personal preferences can dictate particular details custom wir ing installation idea show examplesand easy yourself Electric installations consist three items motor battery everything else #8502 heat sink head reverse pipe Byron type installation #8501 pipe conventional installation Attention Fan Owners OPS now offers two needle bearing 80s use spare parts readily available 5jsPeoPIeof Comfeim 9m 9iec February 1991 151 THE AIRPLANE FACTORY INC 1880 PINEVIEW MANDEVILLE LA 70448 post paid LIST $89 95 1-800-264-7840 T-Shirt $1 295pp Kombat 40 member quick building extremely durable Armadillo series Made aluminum polypropelyne no foam can assembled engine mounted radio installed hour NoThing extra buyl provide 4 channel radio / 25-40 engine supply everything else great spots plane fully aerobatic bolt-on symmetrical wing pre-hinged pre-finished red blue orange yellow compared other almost ready fly designs take 10-12 hours longer complete Kombat 40 true winnerl ORDER YOURS TODAVI Trainer Version available $7495
Edition: Model Aviation - 1991/02
Page Numbers: 28, 29, 30, 31, 32, 33, 34, 35, 36, 148, 149, 150, 151
Edition: Model Aviation - 1991/02
Page Numbers: 28, 29, 30, 31, 32, 33, 34, 35, 36, 148, 149, 150, 151
NO OCR TEXT NO OCR TEXT Left A dolls head local toy store adds feminine touch variant uses Saito 120 16 x 6 prup iurrNS]fiberglass landIng gear Ace RIC 4-120 kit preferable such setup Right Docs all-time favorite Control Line rimudel wa Saftigs Zilch QuIte accident bit Zilch turns up Bingolwhite Oracover fuse tail orange transparent Monokuru wing white Rustoleum border Black Multistrlpe DJ company sets off Left Outfitted SuperTigre 2500 Romco Tru-Tum 3 112-in spinner JTecs Giant Snuf Zinger 16x 6-10 prop Big Bingol flies quietly 40-powered models yet has plenty brawn An Ace heavy-duty aluminum landing gear used setup Right Look ing belly wing removed sidewinder ST 2500 installation JTec Super Snuffler works well pretty nice look author replaced shorter fiberglass gear originally used longer aluminum unit after breaking too 18-in props $10 landings hasnt broken since Note four wing hold-down blocks servos rails carbon fiber pushrods 30 Model Aviation tall brace wires particular ver sion fastened stabilizer sol der links sections nylon control horns pass completely through tail wheel block crimped buried tank leaky tank favorite maxIm Docs ProvIdIng access tank plumbing hatch held set plywood rails threaded 1/4-20 nylon bolts An overhead view empennage brace wires Nearly method attaching bracing fine 4-40 threaded rods related hardware absolutely cannot omitted desian ins amuminum iuus flu UUWS IIUSA ins supursisu wing nauvec Ins cxii nomes ior inc aileron cables joined Ace RIC noise trap can also seen Bingol decals cus tom generated Apple computer transferred sticky-backed vinyl BALSA MEET Ye 4 BALSA A ioP & 5011DM BALSA SKEET TE N - LITE PLY 4 SQ SPRUCE STRIN6ER K - LIrE PU CORE XBALSA loPoSQrroM 4x4 SPRUCEJ SPRRS i SQ SPRUCE ~4 BRLSfi SHEET - PU / RCE L5GIANT STALE13 E5025 WP SKEETLPNDINCGERR COWL4Z5K 228FIBERGLASS 4 DIR WHEELS 00 PLASTIC S SPRUCE lop & norroM SQBALSA TI CAP N N NLITE PLY RIBS N jUrE 4 BALSA WEB 9 SALSA I/SE CITE PLO FUSELAGE MBTTOiJI GRAIN CROSSWISEV TUG SMRR*ROOI0 TUTOIG OTO TUBUUL 7 R MOUNTALLS LANUINA GEAR I/B IRE PLO LUGRALGAP2 SOEETS/U B LGG BLOCE - I FUEL TUNE UP TO SAGA SALTS SLACK----4--5/B BA/RU STRET COWLFMElS/p MO EN I/S LITE PLoTRI-STOCEF-i AG PLYWOODMLISD GUTS —W FIREWALLACE GIANT SCAS LANDING GEAR DSEGAS FOR lB OR LARGER PROTS-AGLARTO GLARS SEE SET 1550 ELhLI Cutouts can easily made drilling A-in bole part threading blade hole reattaching saw sharp modeling knife works well tabs slots ** Medium-viscosity CyA cyanoacrylate glue epoxy adhesives used prototypes Big Bingo simple build easy keep good alignment provided use smooth flat work surface follow sound principles construction Remember straight model will fly straight Wing Since wing panels will needed early fuselage construction its preferable build first instructions assume youre using Ace RIC wing kit prepared make rib templates transferring pattern rib onto Lite Ply using carbon paper cutting out drilling What follows intended cover just key points wing construction Ace kit use will include instructions modelers experienced cutting ribs out scratch would find instructions superfluous Begin punching out ribs die-cut sheets ribs identical except eight fitted %-in hole between cutouts x h-in spars sequence center section ribs permits wing joiner tube create 32 Model Aviation its bare bones Big Bingo iooks deceptiveiy puny difficult buiid fact frame work made aimost entirely hardwoods couldnt stouter Think house looks before scaffolding coveredor full-sized airpiane matter Using iots lightening holes pays off author once weighed cutouts holes 84-120 monopiane came up slightly over 16 ounces Ace RICs 4-120 monoplane kit can easily adapted Docs Bingo making simpler build Big Bingos sleek sexy-looking fuselage resilty nothing simple box fitted out some extra formers cockpit tank cover holiow require oniy small amount balsa block Nothing complicated about building model Full-Size Plans. Page 188 1/8 CITE PLO ..I/O TA SPRItE STRINGERS PLYARTIOSAL CRAY ENING HOLE ICTOSS-STOASI T-41-5T-BT7 SLOT TA SNOWSBOCE POE ERNST TAIL/ FROR~~ ~MOTTOW VIEW TAILWHEEL BdOUNITN6 BLOCK FUSELAGE BOTTOM HALF VIEWOTLITE PLY PDSELAAE AlOES AXCARSHPYRASSWOOO FUSELAGE TOP HALF VIEW AEFLECTESS JOAAOWALO aTE PLYCASOPY IS OVA CATLE FRAN R S ROLNA SGEEAADYIAtOCCGL orI/S LYE PY_____________________ TAG SILSTEAOHOAWETELSE 50770W CONNITA CS GYOIO_______________________ TA SOS SCONE YE I 701 GORY A/AHOOD ATFOR OGGLONG ICITE PLY OIST FAT TX SHEET 7 LX -SII RING ATTACY -1KR/R WA/GA ALACOMWNANNY ---K ~PLSTRAORASSARCOS/TO ANEXO AON 01/-EAITS80CC /S 0/A IIkSSH DEWYAICWHEEL IR CRC PLCWNYNLET SIDE VIEW______ 88WW88R F//SE TOTTOW8A /8N8A8NTSGT /R YAICRAAEEL PRFUSELAGEOTAGEET 1/080003-I/O CITE FLY SOAR BADE SOIL I/A 10781 CIYN PLY S ALSO SNOWS /5 CITE PLYT-3 F-3TJSARAO GJIAESOR CITE PLO YASA SPRACE -A Vii PUSURAA S COOTROL HORS DETAIL WISA AREAlAOS TA IS LERATH5R RE/OTT1045 CRA PYREX100 000 AS POPLAR PLY ARD ELT dihedral angle first rib has A-in hole rear area joiner key fourth /8 larger around perimeter Though number 2 3 ribs look alike tube hole #2 closer top rib #3 Label carefully avoid error assembly Experience has shown Hot Stuff Sprayment technique works best wings can construct panel less hour using method described below Lightly spray flat piece plate glass 3M Sprayment 77 Place plans glass spray lightly cover waxed paper plastic wrap Coat waxed paper fairly heavily Sprayment allow become tacky Position align parts holding place Sprayment Begin bottom trailing edge sheet add bottom spars using rib two perfect alignment alrfoil flat bottom spar rearward simplifies task considerably Use scrap ply dihedral gauge position rib #1 Shear webs precut carefully sized used position other ribs Once center section bottom sheeting place glue ribs flowing CyA both sides joints PVC pipe leading edge should prepped 120-grit sandpaper better adhesion certain amount bowing normal pipe will straighten its glued ribs Add hardwood bolt blocks sheet top center section Add top spars wing tips etc Over years Ive developed few special wing construction techniques used model Adding x A-in balsa strip block sanded contour center section ribs join Lite Ply sheeting considerably creases gluing interface latter balsa strips shown plans prefer mounting aileron servo plate wing 3-48 bolts blind nuts rather screws Two strips scrap February 1991 33 MODEL AVIATION BIG BINGO I9NATB~ 3888BEES DAMMING BY DDE DEBARCA see Lite Ply cores balsa top bottom incredibly strong yet fairly light configuration Note ply doubler top bottom center Section says have drive van fly big models Doc designed Bingol fit Tercei Plenty room model support gear no passengers allowed 5CR SCRAP BALSA /K /LIACTENISAICA1C2 SPRACE RSLESrop B BOTTOM LEFT WIrIG PANEL Z71z7- v --JR LICE PLON6-OCABALSA JR LTE PLO STAB CAREB BOTTOM CO BALSA ARRCB BALSA TOP B BOTTOMCI N ICR A AND SATTOMROBARTN NTOME POINT I/ K LEVATO _ARC CA LITE PLC E EV CORE 3CR DALSA STE ET TRALIB EASE spruce run parallel servo prevent flexing piy plate aileron pushrods attached lower portion servo arm no bends pushrods needed Two servos least 25-oz torque needed should connected noise trap wired Y configuration Ace R/Cs #26K17 servo works well Care should exercised before installing aileron setup Breadboard servos connectors determine servo orientation gives up travel side down other little preplanning will prevent problem later Tail surfaces Make plywood center cores inserting carbon paper between plan wood Cut out cores pin flat work surface Build overstructure over platform cores side time Any stress relief warps ply will flatten out automatically Note precut slots Robart metal center hinges Youll never hinge large surface easily can either round off %-in balsa outlines edges shape airfoil Both approaches seem work equally well Dont install hinges point Sand tail surface structures set aside until later Fuselage joint line shown plan based use 36-in Lite Ply sheets 34 Model Aviation tIl wheel tiller embedded reinforced area rudder Rocket City control horns wire joiner elevator halves also slightly set face allowing tight seal hinge line Big Bingo uses several innovative construction tecflniques Hobarts steei pin ninge poirns fitted precut slots Lite Ply empennage coresa simple incredibly strong ar rangement Ernst quarter-scale tail wheel bracket epoxied slot large hard wood block making too nearly indestructible allow dihedral four center ribs cut holes phenolic joiner sequence Its essential identify number ribs tube socket will fit properly 114-in hole rear rib #1 short dowel section glued wing half slides hole index other Full-Size Plans. Page 188 SOPOR PRODUCTS TC0CO 0 OCLITE PLY SHEETING / ii-j - -RB TOP N BOTTOM11 IIII 4 CO SPRUCECOSG BALSA BEAM B-SWO2 N-NBSBU 50CC WOAP CENTERj4K SECTION WITT PSERii Cl CACX epoxoII[ [ MaTOX CX 3DB GROUCEINE ICX OS SPBUOE LB LITE PLYBUSSOCCO BLOODROBBOT TINGE ii PUSSOOX EXITPOX BINS GOTACOPOINT S PER [ - GILEROB ii7 -4 717 RUB OX OR ALSA TOE N BOTTOM TABILIZ w W3Q qCW-4 BOTE GLL WING BIBS GRE SB LTE PLY WITO LIGRTENING GOLES BGBNGO BGLNGA CX 10 OPRUCE BOIN ClSPAT TRO B BOTTOM RIGHT WING ROR 050 -NCC XGLSU 000CC CEBT STAIN WEG SEBSORXEOeDIBWITXXXXLSGTE BXIBRLXTIIEXBSOREMBCX OJEXONLRLPTE XCI BOXERXJLI RON IAMN ______II 48-in sheeting used joint line wont necessary Since its reinforced doubler joint has ample strength Make fuselage pieces using car bon paper transfer method described above means use straightedge draw ing cutting straight lines lightening holes shown turtledeck formers used lighter weight power plants tend make plane tail-heavy contrast ST 2500 larger engines produce noseheavy condition large gas burner engine used sure add x A-in strips inside fuselage top F3 rearward along bottom/side joint type en gine youll also need -in triangular balsa reinforcement fin-stab junction Since Lite Ply sheeting has good side not-so-good side youll want arrange right left pieces bet ter side facing outward Though ply bows after its cut Big Bingo design locks together overcomes potential problems warpage takes real ef fort build fuselage crooked Install doublers epoxy taking care align structure side using small scraps Lite Ply matching slots Weight down assembly flat surface epoxy cures sure re assem bling both right side left Fit F-l F-2 F-3 cockpit floor gether gluing Slight trimming tabs slots may required just make absolutely sure assembly square planes Tape unit together flow medium CyA along joints dou ble-glue parts tank hatch floor held place masking tape rather glued sides Glue hardwood landing gear block securely reinforce piece hardwood triangular stock Install rear bottom piece drawing sides masking tape % x A-in tail post place clamp fuse lage together rear being sure keep edges lined up Adjust rear bottom squareness Apply CyA along joints including side joints tail post Glue slotted tail wheel block place slot centered fuselage bottom Glue T-3 atop F-3 using two pieces scrap Lite Ply rear joint reinforce ment Add remaining turtledeck formers 7 note reinforcement scrap pieces making sure right angles fuselage top Epoxy triangular stabilizer floor place flush tops sides Install x -in spruce stringers Note T-3 T-7 notched other formers have flats string ers permits some adjustment stringer assembly smooth contour set stringers tucked below sur face line meets T-6 rather extend ing beyond Trim stringers length smooth round contour strip sand paper Drill firewall suit particu lar engine mount youve chosen current Big Bingo uses ST 2500 engine JTec Snuf-Vibe mounts Super Snuf fler muffler Its neat setup far quieter muffled 40 two-cycles Glue bottom front fuselage February 1991 35 Wing construction under way ne center rigs set alnearal angle using jig oth ers should perpendicular work surface Except balsa aileron rear rib cap wing constructed entIrely spruce Lite Ply Left The wings built bottom up fiat main bottom apar rearward weights being used bricks work fine hold ABS pipe leading edge against rib fronts pipe CyAd ply Right phenolic tube used socket alu minum pipe wing Joiner glued eight center section ribs compensate dihedral Note large basswood pass-through block hold-on bolts use Lite Ply center section sheeting Left Lite Ply wing tips small scrap balsa gussets simple lightweight strong outline designed easy covering same piece material used wing surfacea one-piece-top one-piece-bottom approach Pulling plastic sheet out over tips applying heat eliminates wrinkles heat pull stretch tack Right wing bottom left top right aileron servo used wing panel servos mounted removable plywood plates single small slot covering Theyre com pletely enclosed protected sprayvery handy flying off water Note paper tubes servo leads noise trap its grain has cut properly wood should bend easily Make cockpit hatch Build balsa rails fuselage cut Lite Ply top glue rails Balsa block used form quarter-round tapering fuse lage sides shown plan After final sanding cut hatch area free razor saw hold hatch place attach two strips A-in plywood its bottom thread -40 bolts hatch through fuselage side Position hardwood wing hold-down blocks shown plan blocks should centered 3 rear F-2 rearmost 3 front F-3 must flush wing saddle can rasped final shape necessary Place completed wing assembly saddle Mark equidistance tail post Measure mark locations holes drill through wing fuselage blocks Remove wing tap blocks A-20 bolts Enlarge wing holes Although enough room has pro vided Du-Bro 20-oz tank 16-oz size sufficient large SuperTi gres Coat inside compartment bottom hatch epoxy before installing tank Position tank high possible both lines exiting firewall cradle foam rubber 1 200-mAh flat battery pack will fit under 16-oz tank Install throttle linkage engine temporarily place Use whatever method prefer hook up throttle carved wooden cowl shown can simple fancy wish Re member fuelproof cowl interior Tru Turn makes spinner backplate thats espe cially drilled ST 2500 ST 3000 engines 3-in unit has worked flaw lessly have range options installing engine aesthetically appeal ing Some prototypes use sidewinder engine mounts others have engine stalled upright still others employ another fiberglass units market Rudder elevator stabilizer fin pushrods Tack glue stabilizer fin keeping perpendicular aligned rear stab Using Robart hinge point bring units together glu ing its much easier hinge permanently after stab fin covered File notch stab trailing edge clear ance elevator joiner wire Slip tail wheel tiller arm hole rudder place assembly fuselage stabilizer mount Slide tongue tail wheel bracket slot tail wheel block attach bracket ep oxy Tack glue stabilizer fuselage Hook up elevator rudder using fi berglass pushrods appropriate hard ware Cut 4-40 threaded rods 2 3A -in lengths front 6/2-in lengths rear Slip Dave Brown plastic plug over rods pointed right gle rod end Leaving fiberglass rods full length drill % hole inch end side Assemble pushrods poking bent end wire through hole shaft smearing plastic part ep oxy thick CyA pushing shaft Secure wire thin CyA Re peat process other end prefer 4-40 solder link servo end ad justable clevis surface end Slip pushrod guides over pushrod install fuselage rudder elevator pushrods cross over rudder pushrod exiting lower fuselage slot elevator pushrod top Install Rocket City -scale horns rudder elevator pre drilled holes Continued page 148 36 Model Aviation models fill need hotdog show-off sport plane Knife edge take-offs flat spins snaps anything can Wing foam Fuselage Tail lite ply balsa Builds quick lands likes trainer Flying weight 10 lbs 184 13 lbs 192 1 Oh OHIO SUPERSTAR PRODUCTS INC 11375 RIDGEWAY ROADKENSINGTON OHIO 44427 7215-2231950 Larrys Emmy/Jolly Continued page 26 won Most Realistic Flight award team hand Emmy certificate display hundreds mod elers watching read Model Aviation article day turned out super homecoming ol 723 cant tell much means LIMP team able achieve such performance Winning Emmy model aircraft bound reverber ate better public image hobby hope everyone whos interested model aviation can share inand ultimately bene fit fromthis award After Miracle Landing couldnt have made except model makes glad proud II Big Bingol/Mathews Continued page 36 Adjust wire length servo end neutral position both servo horn surface being moved Disconnect pushrod horn end pull rods forward solder front links sil ver solder Temporarily remove fin stabi lizer give model final sanding before covering choice landing gear units given plan youre using 120-stroker smaller two-cycle engine Klett fiber glass gear included Ace 4-120 kit preferable since its nearly pound lighter longer aluminum unit Klett unit however will safely clear oaly 16-in props landing gear can secured fuselage block #6 x 1-in sheet metal screw 6-32 bolts blind nuts prefer Covering finishing Since Big Bingo wing uses stressed-skin engineer ing principle seen full-scale aviation depends covering material some its torsional strength Hence softer lower-heat covering plastics inappropri ate still leaves wide choice MonoKote Ultracote Oracover Koverall dress sheathing have tried successfully Heres quick-and-dirty approach fin ishing use plastic film everything except inside cowl under tank area latter sealed two coats K&B Superpoxy clear painted white Su perpoxy usually spray landing gear wheel pants Rustoleum course can use own custom finishing method long dont cover wings lower-heat materials prototypes covered ange transparent MonoKote Rustoleum white borders wing looks wonder ful some paint has chipped pre vent try using primer Mono Kote before spraying color used DJs Multistripe material pinstripes sealed fuelproofed brushing thin layer Superpoxy clear Wheel pants must Big Bingo wont look right Several choices available ABS variety Ace R/C works fine Ace also carries fiberglass AArr 0* TRIM 420.-tCSHEETS 0 oP major decalsOver 750 Select __________________________________*7 1/4 scale 118Sheets *80 Size38Sheets *40 size138Sheets *Propeiter Decais nly 16 Sheeis3sizeson ea *Kill Markings only16Sheets *Nomenclature Markings 13 Stzes-12 Sheets Black Whitecopy * T mShees 434 26 slOCoosseecoc cha * Letters Numbers l1/4-3/S-1/2-518-3/4-7S-1234413116 10 Coiors See coior chatl * Fags Ame can Unted Kngdom Cost ede e * Stasn 0 Coos 9 Sacs pus Slice o Asso ed S zes DECALS PRESSURE SENSITIVE WATER TRANSFE Aaihentic modei insignias preusare sensitlo e major decals water transfer 1/4 scale 40 60 size propeller decais World War ii hit mark ings stars hugs utters numbers trim sheets II LNOSTREAST SCREEN GRAPHICS 21 FtSHER AVE. EAST LONGMEADOW MA 01828 TEL 413-525-4110 148 Model Aviation SPORTOBATIC 17995 18995 84 Far 120 4-cycle 90 2-cycle T 200025003000- OPS 18 NEW 05 BGX13500 SCRATCHBUILD 14 SCALE PLANS span sheets price CESSNA AGWAGON 123S 4 ,S60O0 CESSNA U206TU206 107i5 0S650C CESSNA 152 AEROBAT 998 3 rS55OC PIPER PAWNEE[v32]T108 4 nrS6OOC TRANSA VIA AIRTRUK 1178 5 nS65O0 EDO FLOATS58 2rS3900 EDO AMPHIB FLOATS 61 3 0S4900 Add 40Z Surface Mail P & P VISA & MASTERCARD Welcome tEND l5zlt5tO POt COMPLETE LiSTiNG ALL PLANS tOOtS zuPtODUCTt SEcAICES Ff1 F WITH ALL itROtilS NEW ZEALAND AERO PRODUCTS 34 cues palatE STifLING POINT ELUFF NEW ZEALAND j4f YOUR SHIPPING AND HANDUNG 7 NICAD FIELD CHARGER EXPAIIDED SCAIE VOLT METER ATE OP TIRE ART CROARESTI FOR PORE OR1105 11113 CORRECTLY 0*01 0110 FOUR CEO BATTERY PACES OPESATOS 3130BATTERY 011111 TESt ROW DISPLAYS OR DRY 1101 CAR 1340111 11100140 301111 OTATILS ON ERADRAPO *010001 DIADES RATIERY PRODS 011*011 TODEITIER OR IROIILIDROLT 00 DY 10111017 CR11 REDESIGNER FOR 11111 00 IPERATLIR lOll SELECTED TO ETTILOD 51 IX 110 MOLOOROPSSOPLEIR ACCOROCI ThE CLRCD11110 PROVIDES R TROI ROROL11TI11TEI BECEADDEY SRI mID OR LRIO KSOR30*01110 111011 Alt EI0RL1111AESS*0 II S 100 RILEB CLOODES 1111CORETIIISS AD IBSTIRD LI DESIRED ORE FIRS DEALT IT 1100 LOCAl PACKS LID U INSLEATE 1100 00*110110 PROGRESS CIRYRECTOIIS 1111 ADSFAI11CALLY SITICRES TO 110D10 ALBO 711111 ESASOIRD IS EOAPKSTS AXOELEES A 1043 BATTERY TO OPERAIR 0111$4495OILY $3495 1-800-749-5942 [CALL FOR INFORMATION PAC A OR77YTY SEND CHECK OR MONEY ORDER T0 H DOUPER 1 PO BOX 90173 AUSTIN TEXAS 730709 units Extra 230 part #13 E 5030 WP tAhat look terrific Fiberglass units Sig Manufacturing Companys Bravo used prototypes Preflight checking construction article read recently offered startling way approach balancing model Ac cording author model would tilt approximately 15 downward bal anced indicated points contra dicts long-held assumption down ward-canted model nose-heavy model balancing instructions conven tional Test center-of-gravity placing fingers balance points shown lifting model built balanced correctly airplane should remain level rather tilt either direction Use ward balance points pussycat flying Go RAPID NICAD CHARGER field charging nicads $5995 adjustable 100% capadty MOSPET field charger 4 cell RX H cell TX nicads Using state-of-the-art MOSPET technology can rapidly field charge 48 V RX 96 V TX nicads simultaneously Independently Plug cigarette lighter socket plug included push button unit will resti Will high current charge PULL 100% CAPACITY WiThOUT ThE CAR ENGINE RUNNING 120-140 V source Automatic Voltage Sensing circuitry will temlinate fast charge LEDs will Indicate unit will revert trickle mode Current adjustment up least 1000 mA factoRy set 500 mA allows fast charging nicads excess 1000 mAll capacity ability used home trickle/overnIght/fast charging system using 12 V DC regulated power supply GLOW SWITCH 2 & 4 STROKE ENGINES $3995 board Glow Switch allows easier safer starting tor 2 4 stroke engines Just throttle back flip prop No external batteries cords deal Works on-board 12 volt nicad cell Automatlc Turn OIl means unit shute olE receiver powered dowiS Will work API PP1W 7CM radios Servo reversing adjustable trip point LED indicator Will work 1 2 glow plugs Ideal inverted cowled engines Proddes reliable IdlIng especially 4 strokes dual POWER MOPPSET design ensures extremely low voltage drop therefore maoAimum heat glow plug Unit shipped tinned leads Also available installed Cutaba J connector $500 additional RK ELECTRONICS INNOVATh/E ELECTRONICS 30 FaIR Run Hudson P1ev hampshIre 03051 882-0022 rearward ones stronger aerobatics Im constantly amazed wide range safe balance points airfoil IMAA fly-in recently bolts stripped out big SuperTigre Tatone Snuf fler fell off yet performance landing nearly normal took close-in flyby tell certain what lost Snuffler way found almost pound weight shaved off its nosethe muffler unit weighs 14 ozthe model flew just fine Try ordi nary design Ive seen 10 different versions 4-120 low-wingers fly turned out below expectations lot things wrong model wasnt develop ing full power due being mispropped wa balanced rear main spar surface deflection de i c~TAr v 4cDBL PRESENTS THE NORTH AMERICAN E1I F cJrJcr8 Prepald Ordef 51 Money Order Certified CheckShipping & Handling $500 COD Orders Cash Certified Check collected delivery Add $350 above amounte DEALER IIYQUIRIES IIYIJThD Prices Specifications Subject Change Without Notice Designed manufactured USA scribed wild-side hotdoggingand its pi lot scared death Absent other factors last-named would have cured itself Properly set up Big Bingo large well behavedso docile fact anyone whos comfortable Ea gle should able fly no problems Before heading off flying field test systems operation tighten nut bolt once moreand go get em Flying Ive repeatedly amazed delightful idiosyncrasy entire 4-120 Big Bingo series have no explanation other pure dumb luck models have inverted profile outside maneuvers better side ones though airfoil isnt truly symmetrical darned critters dont seem Continued page 150 SZ~ PRICE KIT FEAIUlES * FLEXI-GLASS FUSE * MACHINE CUT WINGS * MACHINE CUT STABS * ALL BUMPS & BLISTERS * 5 VIEWS & PLANS * CLEAR INSTRUCTIONS * GENEHOUS HARDWARE PKG * CARBON FIBRE SPARS * ALL VACUFORMED PARTS * CLEAR CANOPY A RETRACT LOCATION SHOWO ACCESSOR ES AVA LABLE * STATIC & FLYING SPINNER /PROPS A FULL COCKPIT KIT * BOMESI TANKS PILOT * RETRACTS & STRUTS lADE IN THE USA MODEL BUILT BY HI-TEC MODELS BOB MELE TO ORDER SEND CHECK OR MONEY ORDER TO INNOVATIVE MODEL PRODUCTS INC P OBOX 4365MARGATEFL33063 OR CALL 8007803190 MODEL SPECIFICATIONSSPAN76 25IN MASTER CARD & VISA ACCECPTED WEIGHT 15LBS ENGINE 108 2CY 120 4CYADD $2000 SHIPPING AND HANDLING February 1991 149 MtJ 8ThIG SEND $100 FOR CATALOGCArRT 1 NEODESHA KS 66757 OF SAC KITS AND ACC316 325-2821 FREE SHIPPING ON KIT ORDERSVISA/MASTERCARD know theyre upside down turn printer unto airfoil plotter wuth. hands good aerobatics pilot Big Bingo will Lomchenvak FOILED AGAIN!Manturer Hi enters maneuver inverted have no idea whyPerformas comes other maneuvers PLOT AIRFOIlS IN ANY CHORD UP TO 24 INCHES raft aerobatics repertory Big Bingo limited MODIFY THICKNESS CAMBER & TRAILING EDGE PLOT SKIN THICKNESS FOR SHEETED WINGS pilots skill Snaps spins fig- ENThR DATA EASILY VIA INTELUGENr EDITOR R-FRIENDLY MENU DRIVEN OPERATION ure eights vertical eights Cuban eights INCLUDES 18 PAGE ILLUSTRATED USER MANUAL snaps top inside loop inverted $4500 spinsthis model can all.. , p.oo other end scale Big Bingo ~ooooeaosooo L PEP PER aerodynamically clean design can way down wont get squirrelly MODELS INC model tracks exceptionally well take-s~yjv itware 714 496-69612526 Washington DuboqieIA 52W1 31915834130 off needing touch right rudder about24843 Del Prado #141B Dana Point CA 92629 halfway down run can trimmed fly hands off yet will go exactly its pointed once maneuver begun- Ive worked out some special chore &J ography aircraft During vertical ELECTRONICS climbout deflect rudder alternately left b right make plane wiggle Lucy Road ll MI 48843 5462644 way up follow stall turn andWe service makes RIO equipment utilizing state art electronics half roll way down call theSpectrum Analyzer Precision Frequency Measuring equipment True 1991 Bingo wiggle its beautiful toStandards endorsed bythe AMA&ROMA inthe TransmitterSlicker Program watch Because airplane stable Licensed Speed Contrel Repairs Quality Service inverted spectacular low-level low-Transmitter Checks Only includes GOLD/SILVER sticker $400 power inverted passes safeTransmitter & Receiver Calibration $2400 Landing 4-120 monoplanes bipesFrequency Upgrades & Changes crystals extra $2900 bit unusual since landing gear isBench Time Repairs per hour $2500 farther forward normal Its possible ransmitters service will receive AMA/ROMA sticker gorgeous wheel landings slowing ADD $500 FOR SHIPPING & INSURANCE model down well out final approach TURN AROUND TIME TWO WEEKS OR LESSil bringing onto deck no flareuPs VISA/MASTERCARD ACCEPTED COD ALL STAINLESS STEEL HEAD LITE IItm BEST GLOW PLUG CONNECTOR ______ Stainless Steel HEAD LOCK BEST DESIGN ____ Welded No Solder Acid Flux Flexing Wires BEST NiCad ____ Field Replaceable 12 AH SANYO 15 AH PANASONIC BEST QUALITY & GUARANTEE _______ MODEL PRODUCTS CORPORATION BEST PRICE __________ St #045-WIO NiCad Charger$ 995 available write direct St #040-With NiCad __________________$ 1595 add $100 $200 outside US St #041-With NiCad & Charger$ 2595 MODEL PRODUCTS CORP RO Box 100 Allamuchy NJ 07820 201850-1508 150 Model Aviation 10 SPAN 30-,, L 5 00 POWER 5-10 LB PAYLOAD OPTIONAL SPREADER KIT $26995 SPDKIT$1995 FOAMAIRE 74 IN WING SPAN 6-7 LBS 45-60 POWER 10 SPAN 19- L jD-4 00 POWER 4 OH PLY FOAM AND BALSA WOODOHOOSE 3 OR 4 OH SLOW AND STABLE KIT $69953 CH $14995 4 CH $16495 ev 1m LET US BUILD YOUR NEXT R/C AIR CRAFT WE WILL BUILD ANY AIR CRAFT INLUDING GIANT SCALE IN THE BONES OR READY TO FLY PROMPT DELIVERY NO DEPOSIT REQUIRED BYRON KITS WELCOME BUILT TO FLY CALL FOR PRICE QUOTE FRANK V PONTERI MODEL AIRCRAFT CO 609 391-1855 Flared landings can executed nicely too airplane will have slowed down less final approach giant return modest investment cant better simple-to-build low-winger Big Bingo has incredible power profile tantalizingly broad per formance envelope thatll take cile pussycatting pull-out-the-stops aero batics Its easy model enjoy RC Electrics/Kopski Continued page 39 take place right battery terminals batter ies best condition ie batter ies relatively high internal resistance could case receiver packs have seen years service may have some abuse However also possible have receiver voltage variationbattery condition notwithstand ingif something receiver wiring resis tive likely suspects would connec tors possibly switch Thus receiver circuit resistance battery and/or wiring cur rent demand moving servo could cause enough voltage variation affect operation speed controls prone act way first place turn motor could react speed change giving clear impression radio static glitching problem isnt really Modern Eleetric system installation what else right after Vintage discussion topic Ini tiated October column planned short continuing series second install ment wasnt expected distant time first idea behind mini-series help get past store-bought packaged systems set about own Electric wiring confidence idea topic came talk given local club meeting lots lots interested folks very eager learn themselves custom instead just store-bought reasons Personally Ive never found ready-made system concept fully satisfied needs interests example like use wide variety products ten makes incompatible connectors deal have chosen use limited number connector styles planes equipped always fuse systems Some manufacturers dont improperly some do improperly insist nor digging planes undoing some system connectors charge always have charge connector right surface model ready accept charger connection addition rarely case packaged wiring harnesses fit right plane seems never enough wire length much too muchwith too bulky connectorsso squeezing can real challenge times mini-series will illustrate discuss cus tom installation wiring techniques work well course personal preferences can dictate particular details custom wir ing installation idea show examplesand easy yourself Electric installations consist three items motor battery everything else #8502 heat sink head reverse pipe Byron type installation #8501 pipe conventional installation Attention Fan Owners OPS now offers two needle bearing 80s use spare parts readily available 5jsPeoPIeof Comfeim 9m 9iec February 1991 151 THE AIRPLANE FACTORY INC 1880 PINEVIEW MANDEVILLE LA 70448 post paid LIST $89 95 1-800-264-7840 T-Shirt $1 295pp Kombat 40 member quick building extremely durable Armadillo series Made aluminum polypropelyne no foam can assembled engine mounted radio installed hour NoThing extra buyl provide 4 channel radio / 25-40 engine supply everything else great spots plane fully aerobatic bolt-on symmetrical wing pre-hinged pre-finished red blue orange yellow compared other almost ready fly designs take 10-12 hours longer complete Kombat 40 true winnerl ORDER YOURS TODAVI Trainer Version available $7495
Edition: Model Aviation - 1991/02
Page Numbers: 28, 29, 30, 31, 32, 33, 34, 35, 36, 148, 149, 150, 151
NO OCR TEXT NO OCR TEXT Left A dolls head local toy store adds feminine touch variant uses Saito 120 16 x 6 prup iurrNS]fiberglass landIng gear Ace RIC 4-120 kit preferable such setup Right Docs all-time favorite Control Line rimudel wa Saftigs Zilch QuIte accident bit Zilch turns up Bingolwhite Oracover fuse tail orange transparent Monokuru wing white Rustoleum border Black Multistrlpe DJ company sets off Left Outfitted SuperTigre 2500 Romco Tru-Tum 3 112-in spinner JTecs Giant Snuf Zinger 16x 6-10 prop Big Bingol flies quietly 40-powered models yet has plenty brawn An Ace heavy-duty aluminum landing gear used setup Right Look ing belly wing removed sidewinder ST 2500 installation JTec Super Snuffler works well pretty nice look author replaced shorter fiberglass gear originally used longer aluminum unit after breaking too 18-in props $10 landings hasnt broken since Note four wing hold-down blocks servos rails carbon fiber pushrods 30 Model Aviation tall brace wires particular ver sion fastened stabilizer sol der links sections nylon control horns pass completely through tail wheel block crimped buried tank leaky tank favorite maxIm Docs ProvIdIng access tank plumbing hatch held set plywood rails threaded 1/4-20 nylon bolts An overhead view empennage brace wires Nearly method attaching bracing fine 4-40 threaded rods related hardware absolutely cannot omitted desian ins amuminum iuus flu UUWS IIUSA ins supursisu wing nauvec Ins cxii nomes ior inc aileron cables joined Ace RIC noise trap can also seen Bingol decals cus tom generated Apple computer transferred sticky-backed vinyl BALSA MEET Ye 4 BALSA A ioP & 5011DM BALSA SKEET TE N - LITE PLY 4 SQ SPRUCE STRIN6ER K - LIrE PU CORE XBALSA loPoSQrroM 4x4 SPRUCEJ SPRRS i SQ SPRUCE ~4 BRLSfi SHEET - PU / RCE L5GIANT STALE13 E5025 WP SKEETLPNDINCGERR COWL4Z5K 228FIBERGLASS 4 DIR WHEELS 00 PLASTIC S SPRUCE lop & norroM SQBALSA TI CAP N N NLITE PLY RIBS N jUrE 4 BALSA WEB 9 SALSA I/SE CITE PLO FUSELAGE MBTTOiJI GRAIN CROSSWISEV TUG SMRR*ROOI0 TUTOIG OTO TUBUUL 7 R MOUNTALLS LANUINA GEAR I/B IRE PLO LUGRALGAP2 SOEETS/U B LGG BLOCE - I FUEL TUNE UP TO SAGA SALTS SLACK----4--5/B BA/RU STRET COWLFMElS/p MO EN I/S LITE PLoTRI-STOCEF-i AG PLYWOODMLISD GUTS —W FIREWALLACE GIANT SCAS LANDING GEAR DSEGAS FOR lB OR LARGER PROTS-AGLARTO GLARS SEE SET 1550 ELhLI Cutouts can easily made drilling A-in bole part threading blade hole reattaching saw sharp modeling knife works well tabs slots ** Medium-viscosity CyA cyanoacrylate glue epoxy adhesives used prototypes Big Bingo simple build easy keep good alignment provided use smooth flat work surface follow sound principles construction Remember straight model will fly straight Wing Since wing panels will needed early fuselage construction its preferable build first instructions assume youre using Ace RIC wing kit prepared make rib templates transferring pattern rib onto Lite Ply using carbon paper cutting out drilling What follows intended cover just key points wing construction Ace kit use will include instructions modelers experienced cutting ribs out scratch would find instructions superfluous Begin punching out ribs die-cut sheets ribs identical except eight fitted %-in hole between cutouts x h-in spars sequence center section ribs permits wing joiner tube create 32 Model Aviation its bare bones Big Bingo iooks deceptiveiy puny difficult buiid fact frame work made aimost entirely hardwoods couldnt stouter Think house looks before scaffolding coveredor full-sized airpiane matter Using iots lightening holes pays off author once weighed cutouts holes 84-120 monopiane came up slightly over 16 ounces Ace RICs 4-120 monoplane kit can easily adapted Docs Bingo making simpler build Big Bingos sleek sexy-looking fuselage resilty nothing simple box fitted out some extra formers cockpit tank cover holiow require oniy small amount balsa block Nothing complicated about building model Full-Size Plans. Page 188 1/8 CITE PLO ..I/O TA SPRItE STRINGERS PLYARTIOSAL CRAY ENING HOLE ICTOSS-STOASI T-41-5T-BT7 SLOT TA SNOWSBOCE POE ERNST TAIL/ FROR~~ ~MOTTOW VIEW TAILWHEEL BdOUNITN6 BLOCK FUSELAGE BOTTOM HALF VIEWOTLITE PLY PDSELAAE AlOES AXCARSHPYRASSWOOO FUSELAGE TOP HALF VIEW AEFLECTESS JOAAOWALO aTE PLYCASOPY IS OVA CATLE FRAN R S ROLNA SGEEAADYIAtOCCGL orI/S LYE PY_____________________ TAG SILSTEAOHOAWETELSE 50770W CONNITA CS GYOIO_______________________ TA SOS SCONE YE I 701 GORY A/AHOOD ATFOR OGGLONG ICITE PLY OIST FAT TX SHEET 7 LX -SII RING ATTACY -1KR/R WA/GA ALACOMWNANNY ---K ~PLSTRAORASSARCOS/TO ANEXO AON 01/-EAITS80CC /S 0/A IIkSSH DEWYAICWHEEL IR CRC PLCWNYNLET SIDE VIEW______ 88WW88R F//SE TOTTOW8A /8N8A8NTSGT /R YAICRAAEEL PRFUSELAGEOTAGEET 1/080003-I/O CITE FLY SOAR BADE SOIL I/A 10781 CIYN PLY S ALSO SNOWS /5 CITE PLYT-3 F-3TJSARAO GJIAESOR CITE PLO YASA SPRACE -A Vii PUSURAA S COOTROL HORS DETAIL WISA AREAlAOS TA IS LERATH5R RE/OTT1045 CRA PYREX100 000 AS POPLAR PLY ARD ELT dihedral angle first rib has A-in hole rear area joiner key fourth /8 larger around perimeter Though number 2 3 ribs look alike tube hole #2 closer top rib #3 Label carefully avoid error assembly Experience has shown Hot Stuff Sprayment technique works best wings can construct panel less hour using method described below Lightly spray flat piece plate glass 3M Sprayment 77 Place plans glass spray lightly cover waxed paper plastic wrap Coat waxed paper fairly heavily Sprayment allow become tacky Position align parts holding place Sprayment Begin bottom trailing edge sheet add bottom spars using rib two perfect alignment alrfoil flat bottom spar rearward simplifies task considerably Use scrap ply dihedral gauge position rib #1 Shear webs precut carefully sized used position other ribs Once center section bottom sheeting place glue ribs flowing CyA both sides joints PVC pipe leading edge should prepped 120-grit sandpaper better adhesion certain amount bowing normal pipe will straighten its glued ribs Add hardwood bolt blocks sheet top center section Add top spars wing tips etc Over years Ive developed few special wing construction techniques used model Adding x A-in balsa strip block sanded contour center section ribs join Lite Ply sheeting considerably creases gluing interface latter balsa strips shown plans prefer mounting aileron servo plate wing 3-48 bolts blind nuts rather screws Two strips scrap February 1991 33 MODEL AVIATION BIG BINGO I9NATB~ 3888BEES DAMMING BY DDE DEBARCA see Lite Ply cores balsa top bottom incredibly strong yet fairly light configuration Note ply doubler top bottom center Section says have drive van fly big models Doc designed Bingol fit Tercei Plenty room model support gear no passengers allowed 5CR SCRAP BALSA /K /LIACTENISAICA1C2 SPRACE RSLESrop B BOTTOM LEFT WIrIG PANEL Z71z7- v --JR LICE PLON6-OCABALSA JR LTE PLO STAB CAREB BOTTOM CO BALSA ARRCB BALSA TOP B BOTTOMCI N ICR A AND SATTOMROBARTN NTOME POINT I/ K LEVATO _ARC CA LITE PLC E EV CORE 3CR DALSA STE ET TRALIB EASE spruce run parallel servo prevent flexing piy plate aileron pushrods attached lower portion servo arm no bends pushrods needed Two servos least 25-oz torque needed should connected noise trap wired Y configuration Ace R/Cs #26K17 servo works well Care should exercised before installing aileron setup Breadboard servos connectors determine servo orientation gives up travel side down other little preplanning will prevent problem later Tail surfaces Make plywood center cores inserting carbon paper between plan wood Cut out cores pin flat work surface Build overstructure over platform cores side time Any stress relief warps ply will flatten out automatically Note precut slots Robart metal center hinges Youll never hinge large surface easily can either round off %-in balsa outlines edges shape airfoil Both approaches seem work equally well Dont install hinges point Sand tail surface structures set aside until later Fuselage joint line shown plan based use 36-in Lite Ply sheets 34 Model Aviation tIl wheel tiller embedded reinforced area rudder Rocket City control horns wire joiner elevator halves also slightly set face allowing tight seal hinge line Big Bingo uses several innovative construction tecflniques Hobarts steei pin ninge poirns fitted precut slots Lite Ply empennage coresa simple incredibly strong ar rangement Ernst quarter-scale tail wheel bracket epoxied slot large hard wood block making too nearly indestructible allow dihedral four center ribs cut holes phenolic joiner sequence Its essential identify number ribs tube socket will fit properly 114-in hole rear rib #1 short dowel section glued wing half slides hole index other Full-Size Plans. Page 188 SOPOR PRODUCTS TC0CO 0 OCLITE PLY SHEETING / ii-j - -RB TOP N BOTTOM11 IIII 4 CO SPRUCECOSG BALSA BEAM B-SWO2 N-NBSBU 50CC WOAP CENTERj4K SECTION WITT PSERii Cl CACX epoxoII[ [ MaTOX CX 3DB GROUCEINE ICX OS SPBUOE LB LITE PLYBUSSOCCO BLOODROBBOT TINGE ii PUSSOOX EXITPOX BINS GOTACOPOINT S PER [ - GILEROB ii7 -4 717 RUB OX OR ALSA TOE N BOTTOM TABILIZ w W3Q qCW-4 BOTE GLL WING BIBS GRE SB LTE PLY WITO LIGRTENING GOLES BGBNGO BGLNGA CX 10 OPRUCE BOIN ClSPAT TRO B BOTTOM RIGHT WING ROR 050 -NCC XGLSU 000CC CEBT STAIN WEG SEBSORXEOeDIBWITXXXXLSGTE BXIBRLXTIIEXBSOREMBCX OJEXONLRLPTE XCI BOXERXJLI RON IAMN ______II 48-in sheeting used joint line wont necessary Since its reinforced doubler joint has ample strength Make fuselage pieces using car bon paper transfer method described above means use straightedge draw ing cutting straight lines lightening holes shown turtledeck formers used lighter weight power plants tend make plane tail-heavy contrast ST 2500 larger engines produce noseheavy condition large gas burner engine used sure add x A-in strips inside fuselage top F3 rearward along bottom/side joint type en gine youll also need -in triangular balsa reinforcement fin-stab junction Since Lite Ply sheeting has good side not-so-good side youll want arrange right left pieces bet ter side facing outward Though ply bows after its cut Big Bingo design locks together overcomes potential problems warpage takes real ef fort build fuselage crooked Install doublers epoxy taking care align structure side using small scraps Lite Ply matching slots Weight down assembly flat surface epoxy cures sure re assem bling both right side left Fit F-l F-2 F-3 cockpit floor gether gluing Slight trimming tabs slots may required just make absolutely sure assembly square planes Tape unit together flow medium CyA along joints dou ble-glue parts tank hatch floor held place masking tape rather glued sides Glue hardwood landing gear block securely reinforce piece hardwood triangular stock Install rear bottom piece drawing sides masking tape % x A-in tail post place clamp fuse lage together rear being sure keep edges lined up Adjust rear bottom squareness Apply CyA along joints including side joints tail post Glue slotted tail wheel block place slot centered fuselage bottom Glue T-3 atop F-3 using two pieces scrap Lite Ply rear joint reinforce ment Add remaining turtledeck formers 7 note reinforcement scrap pieces making sure right angles fuselage top Epoxy triangular stabilizer floor place flush tops sides Install x -in spruce stringers Note T-3 T-7 notched other formers have flats string ers permits some adjustment stringer assembly smooth contour set stringers tucked below sur face line meets T-6 rather extend ing beyond Trim stringers length smooth round contour strip sand paper Drill firewall suit particu lar engine mount youve chosen current Big Bingo uses ST 2500 engine JTec Snuf-Vibe mounts Super Snuf fler muffler Its neat setup far quieter muffled 40 two-cycles Glue bottom front fuselage February 1991 35 Wing construction under way ne center rigs set alnearal angle using jig oth ers should perpendicular work surface Except balsa aileron rear rib cap wing constructed entIrely spruce Lite Ply Left The wings built bottom up fiat main bottom apar rearward weights being used bricks work fine hold ABS pipe leading edge against rib fronts pipe CyAd ply Right phenolic tube used socket alu minum pipe wing Joiner glued eight center section ribs compensate dihedral Note large basswood pass-through block hold-on bolts use Lite Ply center section sheeting Left Lite Ply wing tips small scrap balsa gussets simple lightweight strong outline designed easy covering same piece material used wing surfacea one-piece-top one-piece-bottom approach Pulling plastic sheet out over tips applying heat eliminates wrinkles heat pull stretch tack Right wing bottom left top right aileron servo used wing panel servos mounted removable plywood plates single small slot covering Theyre com pletely enclosed protected sprayvery handy flying off water Note paper tubes servo leads noise trap its grain has cut properly wood should bend easily Make cockpit hatch Build balsa rails fuselage cut Lite Ply top glue rails Balsa block used form quarter-round tapering fuse lage sides shown plan After final sanding cut hatch area free razor saw hold hatch place attach two strips A-in plywood its bottom thread -40 bolts hatch through fuselage side Position hardwood wing hold-down blocks shown plan blocks should centered 3 rear F-2 rearmost 3 front F-3 must flush wing saddle can rasped final shape necessary Place completed wing assembly saddle Mark equidistance tail post Measure mark locations holes drill through wing fuselage blocks Remove wing tap blocks A-20 bolts Enlarge wing holes Although enough room has pro vided Du-Bro 20-oz tank 16-oz size sufficient large SuperTi gres Coat inside compartment bottom hatch epoxy before installing tank Position tank high possible both lines exiting firewall cradle foam rubber 1 200-mAh flat battery pack will fit under 16-oz tank Install throttle linkage engine temporarily place Use whatever method prefer hook up throttle carved wooden cowl shown can simple fancy wish Re member fuelproof cowl interior Tru Turn makes spinner backplate thats espe cially drilled ST 2500 ST 3000 engines 3-in unit has worked flaw lessly have range options installing engine aesthetically appeal ing Some prototypes use sidewinder engine mounts others have engine stalled upright still others employ another fiberglass units market Rudder elevator stabilizer fin pushrods Tack glue stabilizer fin keeping perpendicular aligned rear stab Using Robart hinge point bring units together glu ing its much easier hinge permanently after stab fin covered File notch stab trailing edge clear ance elevator joiner wire Slip tail wheel tiller arm hole rudder place assembly fuselage stabilizer mount Slide tongue tail wheel bracket slot tail wheel block attach bracket ep oxy Tack glue stabilizer fuselage Hook up elevator rudder using fi berglass pushrods appropriate hard ware Cut 4-40 threaded rods 2 3A -in lengths front 6/2-in lengths rear Slip Dave Brown plastic plug over rods pointed right gle rod end Leaving fiberglass rods full length drill % hole inch end side Assemble pushrods poking bent end wire through hole shaft smearing plastic part ep oxy thick CyA pushing shaft Secure wire thin CyA Re peat process other end prefer 4-40 solder link servo end ad justable clevis surface end Slip pushrod guides over pushrod install fuselage rudder elevator pushrods cross over rudder pushrod exiting lower fuselage slot elevator pushrod top Install Rocket City -scale horns rudder elevator pre drilled holes Continued page 148 36 Model Aviation models fill need hotdog show-off sport plane Knife edge take-offs flat spins snaps anything can Wing foam Fuselage Tail lite ply balsa Builds quick lands likes trainer Flying weight 10 lbs 184 13 lbs 192 1 Oh OHIO SUPERSTAR PRODUCTS INC 11375 RIDGEWAY ROADKENSINGTON OHIO 44427 7215-2231950 Larrys Emmy/Jolly Continued page 26 won Most Realistic Flight award team hand Emmy certificate display hundreds mod elers watching read Model Aviation article day turned out super homecoming ol 723 cant tell much means LIMP team able achieve such performance Winning Emmy model aircraft bound reverber ate better public image hobby hope everyone whos interested model aviation can share inand ultimately bene fit fromthis award After Miracle Landing couldnt have made except model makes glad proud II Big Bingol/Mathews Continued page 36 Adjust wire length servo end neutral position both servo horn surface being moved Disconnect pushrod horn end pull rods forward solder front links sil ver solder Temporarily remove fin stabi lizer give model final sanding before covering choice landing gear units given plan youre using 120-stroker smaller two-cycle engine Klett fiber glass gear included Ace 4-120 kit preferable since its nearly pound lighter longer aluminum unit Klett unit however will safely clear oaly 16-in props landing gear can secured fuselage block #6 x 1-in sheet metal screw 6-32 bolts blind nuts prefer Covering finishing Since Big Bingo wing uses stressed-skin engineer ing principle seen full-scale aviation depends covering material some its torsional strength Hence softer lower-heat covering plastics inappropri ate still leaves wide choice MonoKote Ultracote Oracover Koverall dress sheathing have tried successfully Heres quick-and-dirty approach fin ishing use plastic film everything except inside cowl under tank area latter sealed two coats K&B Superpoxy clear painted white Su perpoxy usually spray landing gear wheel pants Rustoleum course can use own custom finishing method long dont cover wings lower-heat materials prototypes covered ange transparent MonoKote Rustoleum white borders wing looks wonder ful some paint has chipped pre vent try using primer Mono Kote before spraying color used DJs Multistripe material pinstripes sealed fuelproofed brushing thin layer Superpoxy clear Wheel pants must Big Bingo wont look right Several choices available ABS variety Ace R/C works fine Ace also carries fiberglass AArr 0* TRIM 420.-tCSHEETS 0 oP major decalsOver 750 Select __________________________________*7 1/4 scale 118Sheets *80 Size38Sheets *40 size138Sheets *Propeiter Decais nly 16 Sheeis3sizeson ea *Kill Markings only16Sheets *Nomenclature Markings 13 Stzes-12 Sheets Black Whitecopy * T mShees 434 26 slOCoosseecoc cha * Letters Numbers l1/4-3/S-1/2-518-3/4-7S-1234413116 10 Coiors See coior chatl * Fags Ame can Unted Kngdom Cost ede e * Stasn 0 Coos 9 Sacs pus Slice o Asso ed S zes DECALS PRESSURE SENSITIVE WATER TRANSFE Aaihentic modei insignias preusare sensitlo e major decals water transfer 1/4 scale 40 60 size propeller decais World War ii hit mark ings stars hugs utters numbers trim sheets II LNOSTREAST SCREEN GRAPHICS 21 FtSHER AVE. EAST LONGMEADOW MA 01828 TEL 413-525-4110 148 Model Aviation SPORTOBATIC 17995 18995 84 Far 120 4-cycle 90 2-cycle T 200025003000- OPS 18 NEW 05 BGX13500 SCRATCHBUILD 14 SCALE PLANS span sheets price CESSNA AGWAGON 123S 4 ,S60O0 CESSNA U206TU206 107i5 0S650C CESSNA 152 AEROBAT 998 3 rS55OC PIPER PAWNEE[v32]T108 4 nrS6OOC TRANSA VIA AIRTRUK 1178 5 nS65O0 EDO FLOATS58 2rS3900 EDO AMPHIB FLOATS 61 3 0S4900 Add 40Z Surface Mail P & P VISA & MASTERCARD Welcome tEND l5zlt5tO POt COMPLETE LiSTiNG ALL PLANS tOOtS zuPtODUCTt SEcAICES Ff1 F WITH ALL itROtilS NEW ZEALAND AERO PRODUCTS 34 cues palatE STifLING POINT ELUFF NEW ZEALAND j4f YOUR SHIPPING AND HANDUNG 7 NICAD FIELD CHARGER EXPAIIDED SCAIE VOLT METER ATE OP TIRE ART CROARESTI FOR PORE OR1105 11113 CORRECTLY 0*01 0110 FOUR CEO BATTERY PACES OPESATOS 3130BATTERY 011111 TESt ROW DISPLAYS OR DRY 1101 CAR 1340111 11100140 301111 OTATILS ON ERADRAPO *010001 DIADES RATIERY PRODS 011*011 TODEITIER OR IROIILIDROLT 00 DY 10111017 CR11 REDESIGNER FOR 11111 00 IPERATLIR lOll SELECTED TO ETTILOD 51 IX 110 MOLOOROPSSOPLEIR ACCOROCI ThE CLRCD11110 PROVIDES R TROI ROROL11TI11TEI BECEADDEY SRI mID OR LRIO KSOR30*01110 111011 Alt EI0RL1111AESS*0 II S 100 RILEB CLOODES 1111CORETIIISS AD IBSTIRD LI DESIRED ORE FIRS DEALT IT 1100 LOCAl PACKS LID U INSLEATE 1100 00*110110 PROGRESS CIRYRECTOIIS 1111 ADSFAI11CALLY SITICRES TO 110D10 ALBO 711111 ESASOIRD IS EOAPKSTS AXOELEES A 1043 BATTERY TO OPERAIR 0111$4495OILY $3495 1-800-749-5942 [CALL FOR INFORMATION PAC A OR77YTY SEND CHECK OR MONEY ORDER T0 H DOUPER 1 PO BOX 90173 AUSTIN TEXAS 730709 units Extra 230 part #13 E 5030 WP tAhat look terrific Fiberglass units Sig Manufacturing Companys Bravo used prototypes Preflight checking construction article read recently offered startling way approach balancing model Ac cording author model would tilt approximately 15 downward bal anced indicated points contra dicts long-held assumption down ward-canted model nose-heavy model balancing instructions conven tional Test center-of-gravity placing fingers balance points shown lifting model built balanced correctly airplane should remain level rather tilt either direction Use ward balance points pussycat flying Go RAPID NICAD CHARGER field charging nicads $5995 adjustable 100% capadty MOSPET field charger 4 cell RX H cell TX nicads Using state-of-the-art MOSPET technology can rapidly field charge 48 V RX 96 V TX nicads simultaneously Independently Plug cigarette lighter socket plug included push button unit will resti Will high current charge PULL 100% CAPACITY WiThOUT ThE CAR ENGINE RUNNING 120-140 V source Automatic Voltage Sensing circuitry will temlinate fast charge LEDs will Indicate unit will revert trickle mode Current adjustment up least 1000 mA factoRy set 500 mA allows fast charging nicads excess 1000 mAll capacity ability used home trickle/overnIght/fast charging system using 12 V DC regulated power supply GLOW SWITCH 2 & 4 STROKE ENGINES $3995 board Glow Switch allows easier safer starting tor 2 4 stroke engines Just throttle back flip prop No external batteries cords deal Works on-board 12 volt nicad cell Automatlc Turn OIl means unit shute olE receiver powered dowiS Will work API PP1W 7CM radios Servo reversing adjustable trip point LED indicator Will work 1 2 glow plugs Ideal inverted cowled engines Proddes reliable IdlIng especially 4 strokes dual POWER MOPPSET design ensures extremely low voltage drop therefore maoAimum heat glow plug Unit shipped tinned leads Also available installed Cutaba J connector $500 additional RK ELECTRONICS INNOVATh/E ELECTRONICS 30 FaIR Run Hudson P1ev hampshIre 03051 882-0022 rearward ones stronger aerobatics Im constantly amazed wide range safe balance points airfoil IMAA fly-in recently bolts stripped out big SuperTigre Tatone Snuf fler fell off yet performance landing nearly normal took close-in flyby tell certain what lost Snuffler way found almost pound weight shaved off its nosethe muffler unit weighs 14 ozthe model flew just fine Try ordi nary design Ive seen 10 different versions 4-120 low-wingers fly turned out below expectations lot things wrong model wasnt develop ing full power due being mispropped wa balanced rear main spar surface deflection de i c~TAr v 4cDBL PRESENTS THE NORTH AMERICAN E1I F cJrJcr8 Prepald Ordef 51 Money Order Certified CheckShipping & Handling $500 COD Orders Cash Certified Check collected delivery Add $350 above amounte DEALER IIYQUIRIES IIYIJThD Prices Specifications Subject Change Without Notice Designed manufactured USA scribed wild-side hotdoggingand its pi lot scared death Absent other factors last-named would have cured itself Properly set up Big Bingo large well behavedso docile fact anyone whos comfortable Ea gle should able fly no problems Before heading off flying field test systems operation tighten nut bolt once moreand go get em Flying Ive repeatedly amazed delightful idiosyncrasy entire 4-120 Big Bingo series have no explanation other pure dumb luck models have inverted profile outside maneuvers better side ones though airfoil isnt truly symmetrical darned critters dont seem Continued page 150 SZ~ PRICE KIT FEAIUlES * FLEXI-GLASS FUSE * MACHINE CUT WINGS * MACHINE CUT STABS * ALL BUMPS & BLISTERS * 5 VIEWS & PLANS * CLEAR INSTRUCTIONS * GENEHOUS HARDWARE PKG * CARBON FIBRE SPARS * ALL VACUFORMED PARTS * CLEAR CANOPY A RETRACT LOCATION SHOWO ACCESSOR ES AVA LABLE * STATIC & FLYING SPINNER /PROPS A FULL COCKPIT KIT * BOMESI TANKS PILOT * RETRACTS & STRUTS lADE IN THE USA MODEL BUILT BY HI-TEC MODELS BOB MELE TO ORDER SEND CHECK OR MONEY ORDER TO INNOVATIVE MODEL PRODUCTS INC P OBOX 4365MARGATEFL33063 OR CALL 8007803190 MODEL SPECIFICATIONSSPAN76 25IN MASTER CARD & VISA ACCECPTED WEIGHT 15LBS ENGINE 108 2CY 120 4CYADD $2000 SHIPPING AND HANDLING February 1991 149 MtJ 8ThIG SEND $100 FOR CATALOGCArRT 1 NEODESHA KS 66757 OF SAC KITS AND ACC316 325-2821 FREE SHIPPING ON KIT ORDERSVISA/MASTERCARD know theyre upside down turn printer unto airfoil plotter wuth. hands good aerobatics pilot Big Bingo will Lomchenvak FOILED AGAIN!Manturer Hi enters maneuver inverted have no idea whyPerformas comes other maneuvers PLOT AIRFOIlS IN ANY CHORD UP TO 24 INCHES raft aerobatics repertory Big Bingo limited MODIFY THICKNESS CAMBER & TRAILING EDGE PLOT SKIN THICKNESS FOR SHEETED WINGS pilots skill Snaps spins fig- ENThR DATA EASILY VIA INTELUGENr EDITOR R-FRIENDLY MENU DRIVEN OPERATION ure eights vertical eights Cuban eights INCLUDES 18 PAGE ILLUSTRATED USER MANUAL snaps top inside loop inverted $4500 spinsthis model can all.. , p.oo other end scale Big Bingo ~ooooeaosooo L PEP PER aerodynamically clean design can way down wont get squirrelly MODELS INC model tracks exceptionally well take-s~yjv itware 714 496-69612526 Washington DuboqieIA 52W1 31915834130 off needing touch right rudder about24843 Del Prado #141B Dana Point CA 92629 halfway down run can trimmed fly hands off yet will go exactly its pointed once maneuver begun- Ive worked out some special chore &J ography aircraft During vertical ELECTRONICS climbout deflect rudder alternately left b right make plane wiggle Lucy Road ll MI 48843 5462644 way up follow stall turn andWe service makes RIO equipment utilizing state art electronics half roll way down call theSpectrum Analyzer Precision Frequency Measuring equipment True 1991 Bingo wiggle its beautiful toStandards endorsed bythe AMA&ROMA inthe TransmitterSlicker Program watch Because airplane stable Licensed Speed Contrel Repairs Quality Service inverted spectacular low-level low-Transmitter Checks Only includes GOLD/SILVER sticker $400 power inverted passes safeTransmitter & Receiver Calibration $2400 Landing 4-120 monoplanes bipesFrequency Upgrades & Changes crystals extra $2900 bit unusual since landing gear isBench Time Repairs per hour $2500 farther forward normal Its possible ransmitters service will receive AMA/ROMA sticker gorgeous wheel landings slowing ADD $500 FOR SHIPPING & INSURANCE model down well out final approach TURN AROUND TIME TWO WEEKS OR LESSil bringing onto deck no flareuPs VISA/MASTERCARD ACCEPTED COD ALL STAINLESS STEEL HEAD LITE IItm BEST GLOW PLUG CONNECTOR ______ Stainless Steel HEAD LOCK BEST DESIGN ____ Welded No Solder Acid Flux Flexing Wires BEST NiCad ____ Field Replaceable 12 AH SANYO 15 AH PANASONIC BEST QUALITY & GUARANTEE _______ MODEL PRODUCTS CORPORATION BEST PRICE __________ St #045-WIO NiCad Charger$ 995 available write direct St #040-With NiCad __________________$ 1595 add $100 $200 outside US St #041-With NiCad & Charger$ 2595 MODEL PRODUCTS CORP RO Box 100 Allamuchy NJ 07820 201850-1508 150 Model Aviation 10 SPAN 30-,, L 5 00 POWER 5-10 LB PAYLOAD OPTIONAL SPREADER KIT $26995 SPDKIT$1995 FOAMAIRE 74 IN WING SPAN 6-7 LBS 45-60 POWER 10 SPAN 19- L jD-4 00 POWER 4 OH PLY FOAM AND BALSA WOODOHOOSE 3 OR 4 OH SLOW AND STABLE KIT $69953 CH $14995 4 CH $16495 ev 1m LET US BUILD YOUR NEXT R/C AIR CRAFT WE WILL BUILD ANY AIR CRAFT INLUDING GIANT SCALE IN THE BONES OR READY TO FLY PROMPT DELIVERY NO DEPOSIT REQUIRED BYRON KITS WELCOME BUILT TO FLY CALL FOR PRICE QUOTE FRANK V PONTERI MODEL AIRCRAFT CO 609 391-1855 Flared landings can executed nicely too airplane will have slowed down less final approach giant return modest investment cant better simple-to-build low-winger Big Bingo has incredible power profile tantalizingly broad per formance envelope thatll take cile pussycatting pull-out-the-stops aero batics Its easy model enjoy RC Electrics/Kopski Continued page 39 take place right battery terminals batter ies best condition ie batter ies relatively high internal resistance could case receiver packs have seen years service may have some abuse However also possible have receiver voltage variationbattery condition notwithstand ingif something receiver wiring resis tive likely suspects would connec tors possibly switch Thus receiver circuit resistance battery and/or wiring cur rent demand moving servo could cause enough voltage variation affect operation speed controls prone act way first place turn motor could react speed change giving clear impression radio static glitching problem isnt really Modern Eleetric system installation what else right after Vintage discussion topic Ini tiated October column planned short continuing series second install ment wasnt expected distant time first idea behind mini-series help get past store-bought packaged systems set about own Electric wiring confidence idea topic came talk given local club meeting lots lots interested folks very eager learn themselves custom instead just store-bought reasons Personally Ive never found ready-made system concept fully satisfied needs interests example like use wide variety products ten makes incompatible connectors deal have chosen use limited number connector styles planes equipped always fuse systems Some manufacturers dont improperly some do improperly insist nor digging planes undoing some system connectors charge always have charge connector right surface model ready accept charger connection addition rarely case packaged wiring harnesses fit right plane seems never enough wire length much too muchwith too bulky connectorsso squeezing can real challenge times mini-series will illustrate discuss cus tom installation wiring techniques work well course personal preferences can dictate particular details custom wir ing installation idea show examplesand easy yourself Electric installations consist three items motor battery everything else #8502 heat sink head reverse pipe Byron type installation #8501 pipe conventional installation Attention Fan Owners OPS now offers two needle bearing 80s use spare parts readily available 5jsPeoPIeof Comfeim 9m 9iec February 1991 151 THE AIRPLANE FACTORY INC 1880 PINEVIEW MANDEVILLE LA 70448 post paid LIST $89 95 1-800-264-7840 T-Shirt $1 295pp Kombat 40 member quick building extremely durable Armadillo series Made aluminum polypropelyne no foam can assembled engine mounted radio installed hour NoThing extra buyl provide 4 channel radio / 25-40 engine supply everything else great spots plane fully aerobatic bolt-on symmetrical wing pre-hinged pre-finished red blue orange yellow compared other almost ready fly designs take 10-12 hours longer complete Kombat 40 true winnerl ORDER YOURS TODAVI Trainer Version available $7495