Martin-China Clip

NO OCR TEXT NO OCR TEXT Left Close-up nose shows captain copilot PAA summer uniforms Note unusual pitot tube design Radio pull-on switch just below Pan Am logo Right control horns internal Tail surfaces have generous area Silver metallic thread used rigging Left Round 1/8-in brass tubing soldered middle streamlined brass tubing diagonal struts provides sockets 1/Bin dowel vertical struts doped silver Right Windows cut 1/16-in Plexiglas corners sanded round Bumps above row windows simulate air vents Lettering cut black Super MonoKote per method described text may never paint lettering again Left Author now uses 7-4 props starboard side 7-6 port Authentic-looking three-blade 6-4 props tried first didnt give enough takeoff thrust Right Wing detailing includes landing light registration number static vent tube hardwood toothpick Ailerons mounted MonoKote hinges top Internal control horns give super-clean scalelike appearance photos author China Clipper NC 14716 nicknamed Sweet Sixteen pilots subject presented modeling pleasure easy model build fly type model person would build hack around sky Saturday after noon love build classics want have plane will impress crowd model excellent choice think may first RC Sport Scale presentation China Clipper long time has lot interest building flying other four-engined models such B-17 B-24 Lancasters am aware previ ous attempt model plane should mystery Smithsonian Institution WaslnWfn DC has 24-in solid display model plane disappointed rather poor repre sentation magnificent machine say jokingly complete model drawn shown will own copy surpasses Smithsonian quality would recommend builder experienced both building flying multi-engined RC aircraft before tackling project definitely plane novice construction methods straightforward conventional ac curacy very careful attention detail musts plans specifications must followed improvisation successful total weight balance point have right make changes modifications chances coming out good-flying machine seriously lessened models flying characteristics demand lot experience part pilot Just flying full-scale aircraft person must work up simple single-engine planes complex multi-engine heavies fly differently Multiengine model fliers will usually agree planes type challenging say least model its 74-in wingspan four 05 10 engines 8 lb total weight classified just opposite heavy realize fact seems contradict what said preceding paragraph weight wing loading works out ap 32 Model Aviation CHUCK WOOD bvI-1ankCLrk 0 S MAX 10 ENGIJES ON V4PLYMOUN1S AILERON SERVO ROD LITTLE WINDY ENGINE BELICRANK 4 ON 1/8 PLYWOOD ye PLYV4O C/S PLATFORM / NYLON HOLD DOWN SCREW 1/16 SHEET BOTFOMI CENTER RIBSIBALSA IBLOCK FAIRING 1/4 BALSA FIN FRAMING SNAP LINK 1/4 SHEET DOUBLERS FOR THICKNESS AT ROOT 1/4 BALSA TOP KEEL 1/64 BODY IN 9 I/4X 3/8 RUDDER LE II II I 1/8 SHEET RUDDER MUSIC WIRE ELEVATOR JOINER I/4X 1/2 BALSA SPAR 1/2 BALSA ELEVATOR TAPERED 1/64 SKIN ON FIN ONLY SE RODS TO RUDCER-ELEV 1SHEET SODA CAN COWLS 1/4 DOWEL HOLD DCYNNS -1 BALSA BLOCKS D 1/4 PLYWOOD 1/4 BALSA BODY FORMERS / 1/4 BALSA BOTTOM KEEL FORM NOSE TO TAIL I/B PLYWOOD REAR SPAR JOINERS FRONTAND BACK I/4X 1/2 REAR AILERON SPAR 1/16 TE SHEETING TOPAND BOlTOM AILERON BELLCRANK MOUNTS ON 1/16 PLY PLATFORM SPLASH RAIL RUDDER ELEVATOR SERVO POSITIONS I/64BOTTOM SKIN FLOOR SPARS / THRU SPONSONS 1/4 RIBStNSPONscJ STEP 1/8 PLY SPAR WEB FRONT-BACK CAN BE LONGER SCUD BLOCK FOR TIPASFUAT 1/4 BALSA SPONSON CORE I/16BALSA RIBS A TIP 7j I/SHEET LEDGE SHEET TOP/BOTI K 3/B SPARS TOP AND BOTrOM 1/2 FORMED L EDGE NOTCH FOR RIBS I/4BALSA CABIN SIDES 1/64 SKIN TOP BOTTOM SPONSONS THEY TELL ME YOU NO EXCUSE HEY-CASABLANcA DOUSPRATIt IT GRABS ME JUST F9JE OF COURSE DIDNT MAKE THE HAD LOTBA TRINIDAD FAR OUTF IDEA-THNKS VU BUT IF HAD ANY CLOU7 ID SETTHE AMA NATS HANKY WHAT LAKE VISITORS BUT WAS N MASS THE GREATEST 5YNDICATE THIS STRIP N THE NEWS POOR EXCUSE YOU AND NEWS ART ON POSTERS -TO SINCE LINDBE4GH THEN COULD REALLY CUT LOOSE ALLTHE AMA.-HAVE HEART WrTH TYPES TH9JK SO-MY HEART BUCKO THEM RANT MUCH EXCITEMENT SURFER77 BALSA BLOCKS 1/4 SHEET NOSE FORMS L- 23 1/4 BALSA KEEL FORM proximately 23 oz Thats lighter numbers Scale model greatly enhances flying ability have read thus far still determined try lets get started wing its four engines place decided begin As studied old pictures collected looked through reference books could get hands realized shape wing seemed somewhat famil iar After came general shape airfoil close wing Carl Goldberg Skylane 62 1 obtained wing kits available through hobby suppliers found much work partially done wel come aid wing should constructed wing kit instructions show up point leading edge covering put difference begins very fine-toothed saw such Zona Saw another hobby shop item cut assembled wing exactly half done enable builder make center constant-chord section flat no dihedral two sections pinned flat board plywood joiners installed cut ting away sections ribs joiners epoxied spars leading trailing edges Apply epoxy liberally center joint must very strong place taper starts Rib #7 saw carefully nearly through structure outboard side rib Leave about 1/16 uncut across bottom wing trimming little go tapered outer sections can raised proper amount SHEET LRBALSAA KEEL WINS HOLD DOWN DOWELS D 02 NAILS FOR BALLAST FORMERS RADIO SWITCH LOCATION A-PcL 1//7 DOWEL m dihedral joiners placed #7 rib joint Now move ailerons out original positions make ribs spar parts extend length outer panels tips shaped block stock trailing edge requires length ening meet aileron ailerons now covered Super MonoKote white fastened wing using MonoKote strips hinges strong smooth air tight seal aileron joint made way like hide control horns much possible contributing scale effect larger-sized Robart hinge points work well small jewelers-size screw driver separate hinge point two pieces piece has drilled hole other half used hole just right size accept piece wire like comes Goldberg control horn nylon snap links Bend wire sharp 900 angle after making hole aileron glue Robart hinge half-point hole other end wire hooked 60 bellcrank wing type bell34 Model Aviation Dummy scale antenna elastic metallic thread provides support tor not-so-neat receiver antenna Silver MonoKote strips simulate corrugated sections full-size airplane Sponsons fuel tanks real China Clipper clever way provide extra wing area eliminating need wing-tip floats Old mans face second window right FULL-SIZE PLANS AVAILABLE . SEE PAGE 178 IAA BALSA BULKREAGS FUSELAGE TOP VIEW ______________ BUDDER POST L FGHIJKSTRIP HINGES SPONSON OUTLINEI/B BALSA SHEET SIDESTRIAN LEI/A BALSA SHEET- - STOCKI/4 BBLSATAIL BLITLINES REEL NOTE LOCEPT FOR BALSA BLOCK PARTS THE ENTIRE VABALSABALSA BLOCKFUSELAGE IS COVERED WITS/4 BALSA LEADINGTAPERED STOCK co FORMERSI/KB PLYWOOD ELAGE SIDE VIEW ]r D DDD D /A BALSA BULKHEADS FH IDELASTIC THREAD SILVER OR METALLIC SCALE ANTENNA /4 PLYWOOD AND BRACING WIRES ENSINE BEARERSUPON WINO BOLD DOWNIG PT BOLTWINS SAUDLE F I/A BALSA SKEET GBALSA BLOCK LV------ROAM TAPE C SHAROWODOSTREAMLINED BLOCKBRASS CABINS DESIGNED S DRAWN BY BUD CHAPPELL IEBINE STRIP0 0 3 5 K ACING BY 30E DEMARCO CE KEEL SHEET OF 3ALL RIGHTS RESERVED crank installed according plans downward aileron substantially reduced epoxying underside center gives approximately 2O up-aileron providing much better turning characteris- wing section next plywood engine 2A 5A down eliminating tics bearers drilled match engine mountof down movement drag Cutting plywood engine plates ing holes glued plates Give December 1983 35 Left Copilot visible through right skylight Model has full cockpit instrumentation seats Seat belts control yokes etc Captain has left hand control wheel right hand elevator trim handle Right wing removed receiver switch comes view rudder elevator servos wiring engine aileron servos wing charging jack upper hull right side plugged nylon screw 0-ring gasket waterproofing Its important use glues impervious water building model seaplanes engine mount areas couple coats black paint seal wood against oil otherwise would later result softening plywood dry install en gines hook up gang throttle linkage Du-Bro swivel nylon ball-joint con nectors ideal fasten throttle arms carburetors used threaded rod connectors give proper amount adjustment needed have throttles open close exactly same time working servo wires bellcranks place throttle servo mounted balsa bottom wing covering just right wing center joint double-sided tape Hook up battery radio temporarily op erate servo make certain throttles work smoothly unison Dont cover up mechanisms until satisfied everything working per fectly departed usual practice using clunk tanks model simple rea son supposed aerobatic way prototype designed fly gently mostly straight-and-level acute angles its flight being takeoff landing Perfect Brand #12 tanks intended Control Line models fit quite well behind engine part back side leading edge trimmed away change required tanks slide piece 1/16-in brass tubing rear /S-in vent tube tank top provide fill tube vent tube tanks filled through 1/16-in modified tube hang 10-in length surgical tubing other tube prevent fuel leaking over top plane tank full Semi-circular bulkheads shaped slotted fit behind engines over throttle rods fuel tank covering material 1/64 plywood wing skin marketed Sig Mfg Co SPONSON CONSTRUC 1/4 BALSA SHEET POSITION -itIP1-- __ .---- SAROWOOD BLOCK LLGLUED BETWEEN III2 OOO SPARS IIIAl__ F_________ 2/4 444I IsPo~soI V WINS STRUT I I ATTACHMENT I LOCATIONS HALL SIDE LINE - I/C BALSA BIBS PLY SPARO VA A TOP KEEL LW BALSA SHEET /4 BALSA STA FBOTTOM REELSTA C /4 BALSA TOP KEEL 1/4 BALSA SHEET SEA MI/H BALSASTA N BOTTOM EEEL Install aileron Nyrods servo Again breadboard radio battery make certain ailerons work just right done leading edge covering 1/64 ply glued plywood wing saddle piece glued directly under center joint wing Glue hardwood blocks wing accept screws fastening wing struts structure immediately under center wing built later hull progresses can now move making engine cowls no big deal just three Fresca cans another kind spoiled fourth Fresca can trying cut Actually great deal care must taken convert little gems suitable cowls First wear gloves Second alu minum thin cans prefers tear try cut found best method cut out bottom sharp locking-blade jacknife can its original condition poke hole through side can up near top old sharp scissors begin cut around can shallow spiral pattern con tinuing until get close correct 36 Model AvlatiLn Bottom view wing pylon reveals tiny MonoKate rectangles balance point harnesses engine aileron servos Pylon sits wing cushion gasket cabin Front pylon typical plywood bulkhead hardwood dowels key hull bulkhead long nylon screw fastens rear unit hardwood block cabin rear FULL-SIZE PLANS AVAILABLE . SEE PAGE 178 BALSA I/A BALSA1/4 BALSA TOPBLOCK SHEETKEEL-PLEXIGLASS 4 BALSA WINSOW 1/64 PLY L1 BALSA. BLOCKL0. L3t2 1/4 BALSA SHEET COVER WITHNACELLE COVER I/HA PLOWOOS 1/4 BALSA- TA ABOTTOM KEEL 4 L-IL-2 B L3 AXESTA B1/4 BALSA I/H BALSA SHEETSHEETSEE TOP VIEW FOR T-~-I-{ BALSASHAPE BLOCKSTA C I/A PLY1/4 BALSA TOP KEEL 1/4 PLYWOOS1/4 BALSA --SPARSFORMER HOLES FOR1/4 BALSA 1/4 BALSA SHEET WINS ATTACH FORMEB I/H SOWELS tI CSOWELS-,I /3/H TRIANGLE STOCK 3/4 TRI STOCK ]ii II I/H BALSA SIXESI 1/4 BALSA RIBS I/A PLY INSET FOR WINS STRUT ATTACHMENTI I/A RALSA 1/4BALSAI/B BALSA-ROTTOM KEEL BALSA EETI/B BALSA SHEETSHEETSTA oSHEETSTA 0-I E STRIPS FROM 5TH KEEL STRIP FROMSTA ES TO STA B I/B 3/B STA S TO STA 0 SPRUCE 1/B S/H SPRUCE SHEET1/4 BALSA S/H TRIANGLETOP KEEL SOBI/A BALSA 1/4 STASTA KSHEET BASAI BA STA HGOESSTAHEE BA SA EE COWL SIA SOFT DRINK CANCOWL TOP ENGINECOWL VA PLYWOOD UPPER FIREWALL I/B PLYWOOS 7 WING SADDLE 0I23 45K HurrY ODEL AVIATION CHINA CLIPPER DESIGNED S DRAWN BY BUD CHAPPELL TRACING BY 30E DEMARCO ALL RIGHTS RESERVED length Most likely will spoil couple corresponding semi-circle bulkheadthe cowls some scrap alu before get hang it willwill have glued onto bottom theminum flaps can cut epoxied comeengine plates complete bulkhead forsimulated open position completed Left The h-in balsa hull keel has put together wing well toward completion Engine cowls made aluminum drink cans Cowl flaps made can material also epoxied place later Right World Engines servos mounted beside middle wing ribs double-sided-adhesive tape throttles connect servo via pushrods bellcranks No dihedral wing center section December 1983 37 cowls painted white Sig Plasti Namel Fasten cowls onto enginebearer plywood parts #0 X /s wood screws after have cut tops fit around cylinders made holes sides needle valve extensions way am using 6-4 three-bladed plastic props OS lOs boiling props silver Rit dye get double benefit coloring propellers relieving stresses might present manufacturing process Just case might think until too late sure putting model together combination waterproof glues still think Ambroid best all-purpose fasteners ever formulated use lot conjunction 5-mm epoxy great deal care must taken making certain products never within reach small children Stabilizer Another advantage using Goldberg Skylane wing kit mate rials stabilizer included shape area too far scale sections decided use also felt though stab/elevator outlines werent true scale increased size would helpful controlling model would go unnoticed people modifying tip shape elevators unit works out fine bull built keel bulkheads covered planked 1/64 ply wing skin fin assembly built integral part hull plans show Once keel outline glued together box madewhich will passenger compartment point must decide whether want simu late windows along sides hull want take extra time effort actually make windows chose latter After cutting out window openings / balsa sides sawed windows 1/16-in Plexiglas corners windows rounded rough sandpaper epoxied place edges window openings finished painted orange MonoKote strips added resemble curtains Construct sponson unit Glue position through cabin sides Finish floor adding sheet balsa front behind sponson thought would add nice touch use simulated passengers carved balsa Once decorated glued place near various windows tried carve different types people imagined might travelers period old man worried look middle-aged lady priest little girl oriental gentle man put seven people including two crew very famous dog just fun glue box assembly keel will no doubt think did box no way could faired nose tail shapes Thinking made some kind huge error checked rechecked calculations see would really come out correctly Happily can assure will Putting triangu lar formers under floor comes next fol lowed Formers L- 2 3 Continue rest formers out tail will see begins take prope shape Paint cockpit floor wall behind pilots black dope glue instrument panel pilot copilot found two Star Trek figures approximately 43/4 high toy store movable limbs Balsa seats painted tan made support Two narrow strips alu minum can stock seat belts figures painted white black trim resembling Pan Am uniforms China Clipper period Put stabilizer place glue se curely Also glue nose blocks place curing cockpit roof skylights should cut out installed 34 332 BASA RIBS A4 BALSA SHEET STABLIZER TIPSBALSAS32 12 BALS CAOISGVA GE TYPICAL STABILIZER RIB PINNES NYLON STRIP RINSES R-I 7 LR2 ___ STABELEV MASIC WIRE ELEVATOR JOINER I/B —WINI BALSA SPAR -I/H V2 BALSA SPAR BALSA SHEETSI ELEVATORSEEB KCROSS SECTION FOR TAPER -- --BALSA SASS ET S R-8 R-9 R- 10 R glass cockpit area 1/16-in Plexiglas Saw out sand fit Left Bottom view cabin box sponson under construction showing 3/64 ply wing skin Sig being glued T-pinned sponson structure Right same units sop half-ribs place Plywood hardwood box spar gives sponson much strength Triangular balsa pieces lengthwise provide much support top corners cabin box Construction shots Polaroid color prints 38 Model Aviation FULL-SIZE PLANS AVAILABLE. SEE PAGE 178 SOFT ORINKWINGVIEW ENGINE COWLFUSELAGE BFRONT fIiDDPLEXIGLASS GA SPURSTREAMLINES BRASS NOOWS TUBING WING STRUTS SPONSOR SEE 77 SHEET 3 FOR CONSTRUCTION ~rr-c R-4-zF CHINE STRIPS REEL STRIP R-5-R6 ~~97z ALL RIBS ARE 3/32 BALSA SOFT SHINE CAN COWLINUS I/H PLY ENUINE BEAREREPOSY BASE PLATES ENUINE BOLT LOCATIONS OS MAX 10 I/H PLYWOOSR-7-xiiiTJj ENGINE BEARER -I- \/ VIA BRASS TUBE SOLSER INSISE VENTBELLCRANR PLATFORMS IA PLYWSSD3/B SO BALSA WINS SPBRS TOP B BOTTOM B 9B 10B II- &I= N IRILI R-2 R3IIR*BIRSR6I P -TO THROTTLEI/H PLY BASEID AILERON SERVOPLATES PUSHNOGS WING PLAN RIGHT SIDE 1/2 EAR BALSA SPAR -ORIGINAL LSTHEUTENS WING 71/H IF MALE HALF OF HOBART HINGE POINT MOVE AILERON OUTBOARO AS SHOWN I/lB BALSANO DIHEDRAL ON INBOARD SECTIONI 3/H GIHESRAL AT WING TIPREMOVE TRIG UECTION WINS SHEETING TING HEREOF BELLCRANE TO ACHIEVE ALTERNATE TO AS BELLCRANK METHOD 5 SN 15 UP CHINA CLIPPER R-13R 14DESIGNED B DRAWN BY BUD CHAPPELL O23U 5UTRACING BY JOE DEMARCO AHEFT 3 OF 3 RIGHTS REBEUNEB MODEL AVIATION epoxy place Care required Start center section windhandling pieces avoid smearing shield helps support cockpit excess glue onto surface Plexiglas roof add right left sections result efforts will very realistic looking windows also both very strong waterproof Left First impression cabin appears much too wide its glued keel Right Ply wing skin material being applied hull T-pins permit easy twist pull removal glue has dried hull very strong has completed December 1983 39 ANUS I/H PLY FIREWALL PERFECT NO 12 FUEL TANK i1 R-I2 sure install Nyrods through rear ol hull passenger/servo compartment back formers able hook up rudder elevator after hull covered Some modelers seem have difficulty understanding apply plywood wing skin material will offer few tips First must tempted try use large pieces covering Most areas hull have double compound curve charac teristic causes buckling rippling large pieces wont lay flat Cut section somewhat larger portion hull going cover lay against bulkheads pencil mark bulkhead edges seem begin trim piece size taking off little time have good fit ready glue pin place make sure have allowed next piece share same bulkhead gluing surface other words joints between pieces wing skin must come center bulk head Incidentally sides passenger box dont need covered wing skin As hull work progresses tail cone blocks glued elevator rudder control horns should made elevator horn simply Control Line type split-elevator arrangement horn moved straight-ahead posi tion horn joint should brazed onto elevator wire prevent failure due stress Silver solder might strong enough though prefer brazing Bend wire tiller rudder epoxy place will have check clearance rudder nylon clevis care fully relation outside tail covering sure before area closed will no binding major drawback hidden control horns built completely preventing future adjustments corrections Consequently have precise initial hookup provide control sur face freedom proper travel oneshot deal good side lack protruding horns rods very pleasant eye enhancing appearance same order going rubberbands nylon screws wing hold-downs wing pylon unit should finished fitted top hull dowels front pylon unit very impor tant fit pylon/gasket/hull ar rangement wing screw back must exactly aligned hardwood block rear passenger com partment Use strong cement parts carry high stress loads Before covering plane white Super MonoKote install hook up test servos rudder elevator making necessary adjustments control surfaces varying servo placement and/ adjusting pushrods course bottom hull done black center wing area done orange like curtains IThe orange panel meant helpful searchers being highly visible event plane down sea Fortunately makes plane colorful model letterine cut black MonoKote ironed quite chore worth Use #11 X-Acto knife lead pencil soft eraser hold down small letters being cut fingers will eternally grateful As case letters bow cut /4-in strip couple inches long chop off several 3/16-in rectangles Cut letters rectangles will quite uniform After some practice may never go back painting numbers using decals again Additional hints cutting piece pine board hard wood strip protective backing Super MonoKote after cut strips mentioned above anti-glare effect top nose achieved sanding black MonoKote #600-grit sandpaper just enough kill shine wing walks sponsons can done same way order simulate corrugated sections some parts hull used strips silver Super MonoKote cut / x 12-in strands found trying cut longer strips much difficult strips ironed Tack down 40 Model Aviation Small pieces wing skin used cover ing nose hull Author prefers Am broid gluing ply wing skin model beginning look exciting point though good amount work still needs done front hull hull farmers 1A-in balsa sheet cockpit nearly complete pic Receiver battery goes under cockpit Continued page 136 China Clippers designer-builder authorl Bud Chappell poses camera Bud started building models age six Fifty years later calls ultimate achievement 115 SCALE W Golden Era biplanes will come alive smooth flying easy building flying machine Its big enough catch attention yet small enough use everyday glow engine 2657 N E 188th Street Miam Rlcrroa 33180 Telepeone 935-1436 KIT FEATURES Machined die cut balsa select plywood hardwoods Hardware package Pre-bent landing gear cabine wire Vacuum formed ABS cowl aleleron caps gas cover Mylar decals Full size plans instruction book including isometric drawings SPECIFICATIONS 1/5 Scale 72in Span Area 1530 sqin 4 channel Radio 61-12 Engine Weight 12 lbs Fuse 54 1/2 Fun/Winter Continued paqe 133 Bell XFL-l Airacobra tail-dragger carrier use Nice long-winged Messerschmitt Bf 1091-2a carrier-based fighter Some few wild things mixed vintages over whelming book worth look-see want good documentation plane isnt duplicated zillion other guys coupla guys stuff see big FAC Newsletter Maybe like little rubber-powered things Dave Diels sent slew cute plans urges build couple Diels PO Box 101 Woodville OH 43489 started five plans three years ago over 30 last January 1 oh expecting expand printwood molded canopies popular subjects theres David Aronstein 50 Pasture Lane Poughkeepsie NY 12603 see 28 illustrated subjects plan listing mad variety ultralights racers originals various scales Real cute flukies like 8-in Beercat 12-in Mini-Twinan old-style twin-pusher about Roland trimotor Peanut Drawings will seem rudimentary RC kit builders builders FF Rubber Scale get inspired basic lines SOS thermometer says 103 degrees Bill Winter 4426 Altura Ct Fairfax VA 22030 China Clipper/Chappell Continued oaoe 40 end strip iron heats up stretch little go effect corrugated panels quite good done way also used silver strips cover joint wing orange white come together makes decorating little neater wing struts just looks quite functional lend lot strength wing/hull joint Start four pieces streamlined brass tubing hobby shops metal display Squeeze ends bench vise flatten neatly drilling operation next front view plans determine approximate location vertical smaller struts intersect diago nals wrap piece masking tape around diagonals point Mark tape exact point intersection drill through tape struts 5/32-in bit Use 1/16-in drill make starter hole After drilling larger hole strut remove tape sand off rough edges Cut length /e-in pieces brass round tubing bend according plan Solder together intersection making nice smooth filled joints Cut general fit sections small hardwood dowel go between spon son under surface wing will find round brass tubing sockets dowels deep enough permit dowels slid up down allow good fit against wing sponson struts finished remove paint two coats silver dope Other finishing details include various wires visible Make small hooks common pins heads re moved press locations shown wifes favorite fabric store purchase some elastic silver metallic thread After tieing knot end thread trimming off excess loop thread hook hook little practice will find can rig whole section single piecesuch piece under side stabilizer air vents over some passenger windows small blocks MonoKote-covered balsa epoxied place pilot tube top cockpit different appearance built A-in tubing dowel Z-bent wire glued top Pan Am logo can placed two different places According photos have collected 1935 136 Model Aviation Builders Get f Better Start Season Using KIN-CRAFT Quality Line Polyester Resins Micro-Balloon Air-O-FilI Gloves Protective Fiberglass Cloth & Tapes 1/a z Cloth 1 4 & 6 Tapes Custom Cut Cloth Any Length Sandable Primers Thinner Accessories also Dust Masks Gator Grip Contact Cement Applicator Kits Engine Cleaner Oil KitsNIN Send self-addressed stamped envelope free catalogue discounts Kin-Craft Mfg Ri 2 Box 481E Ashland KY 41101 Dealer Distributor Inquiries Invited 928-4763NuN Quarter Scale Davis Dl k REALISTIC FLIGHT SPEEDS RESPONSIVE CONTROLS EXCELLENT GROUND HANDLING Span 90 laae 63 1300 SQ Ifl ROLLau CLAN / 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DA CLASS C GIANT DESIGNS5CAEPI-ANS 35 Eec ManSDS Pheos New Y Phone35 8 logo appeared nose vicinity planes name pictures made 1936 some unexplained reason logo shown pylon behind engineers window various small windows hull duplicated black MonoKote Pre-flight little difficulty experi enced getting ideal balance point CG model completed turned out tail-heavy couldnt move radio equipment forward thing left add nose weight way thinking last resort try earn estly achieve proper balance other way adding weight instance no choice first step put small pieces black MonoKote under wing alongside pylon exactly desired balance point enabled locate feel precise point place two index fingers order lift model next thing cut top nose block off glare-panel line about 1 /2 back Re move front section carefully can used again start drilling /4-in Continued page 140 71 - $ K- 7$i K,, , 4 7Km- 55Zf'it5 modellVs mi trenor GIANT R/C SCALE PLANS f7TRTISS R-6 37 SPAtE 52195 AERONCA C3 i icd spu LEAR FAN 1 172 SPAtE 521 CO S19O VOGEL AVIATION DEPT M BOX 54 RESEDA CA 9135 PEPPERMINT PATTIE60 Performs entire AMA Pattern PAE ability Will put tou FBREGLASS PUSk tailpOSt & wleg IdIots So FLITEGLAS MODELSSee dealer ordey direct WINGASTABILIZER FOAM C rR4 Plo BOBBling MASTER KIT AILERONS ELEVATOR & B rough sanded shwPeDroision BAA/RICH SALES CO BASIC HARDWARE- hinges cileron OOeneOtOtS2 FAIRWAY torque rods cIwoises aed tyrweded rodsHANNIBAL MO N34St Sf4 2at-ASyS WINGSPAN- AR AREA-BBS Bgihn ENGINE- ASa WEIGHT 75 Bibs FLY THE BEST December 1983 137 ALL SHEET ONE PIECE AAA GRADE KILN DRIED SANDED TO CLOSE TOLERANCES PED 100% 36Light 4-6lb38118x3453/l6sq17318x 11/2 331/16x3491116x4481/4sq26112x2 403/32 x 3563/32 x 4561/4 x 3/830 431/8 x 367 1/8 x 466 3/8 sq.37 493/16 x 37648 Sticks 561/4x385Add4O0/o 318x3115 37112x3139 44 54Sheets 48 62 73 No Need Make Christmas List Just Use Ad Tote Bag 0 UNIQUE CHRISTMAS GIFT IDEAS Tire Covers Tote Rags Hats end quality line sportswear Designs just come aviation designs available top quality line sportswear designs direct printno heat transfer Three color 8-25 er Cub. Gee Bee. P40 Warhawks ker D VII 8. Christen EaIe. Pltts Speia1. Citabria P47 Thunderbolt arman Curtis Jenny. Corsair. Coaches ShirtS 1295T-ShirtS605 Ladies TopS550Long Sleeve TS755 ShortsS595Bssebeil$S95 Lined JecketS2195FootbailSS95 Tote Bag579SSwestshirt$95O Tire Cover51495Hooded SweetSi495 HetS595 Wide choice colors sizes Send $100 new Illustrated Brochure Name Address CityStateZip DesignSize Color now accept MasterCard & Visa TO ORDER Send check money order Shipping $115 add Si 50 Over $15 add 10% Maryland residents add 5% taxI Phase Art Hwy 382 Box 123L Waldorph MD 20601 301 843-3060 China Clipper/Chappell Continued page 137 holes nose block angle toward back will accept 16-penny nails heads removed Keep adding nails until get perfect balance feel just little nose-down exactly level took total 2/2 oz job bad really bugs have haul around non-contributing weight decorating finished flight pack batteries have charged start adjust engine individually proper power needle settings models nose tilted upward 300 Get idle setting reliable too prevent too-fast approach landing Sullivan starter notches cut rubber insert match three-bladed props makes starting very easy friend handling battery glow plug duties start outboard port engine first Continue down line one-third throttle setting seems about right Once engines running test re sponse power likeness fore warnedthose four ake powerful racket Check control functions engines running sure work ing reliably certaindont risk model found aileron servo nasty chatter tested way cut new wing open replace hated think very obvious what might have happened otherwise Flying first taxi tests conducted 1981 Brimfield Massachusetts Fall Hydro Contest Due very high winds event put off until late day hopes winds would calm down did slack off somewhat though much would have liked Quite few people waited day long hoping see first flight China Clipper decision made give go engines fired up nicely radio tested okay faithful wife friend helper Lois pointed nose wind ran lOs up full power signal Lois released plane moved out quickly wind making water much too roughit like trying take off full-scale plane heavy seas waves caused model pitch violently hard gain speed also became apparent far less rudder control hoped keeping nose wind difficult Eventually plane got up step beginning take longer bounces between wave tops just about completely airborne began get too far off course left heading tree-lined shore Everyone cheering CD Don Fos ter yelling got ityou got wasnt pleased prospect starting immediate right turn new untested plane time already too far away decided another attempt would lot better cut power model settled back water tried turning around taxi back found wind uncooperative sponsons marginal plane turned crosswind wing tip tilted lee side water allowed outboard engine con tact rough waves conked out An attempt turning other way yielded same result finally managed sail China Clipper back beach its own power avoid humiliation being towed Several times tried get going right direction direc tional control needed little daylight under hull could hardly called flight Back workshop first modi fication 3/ X /4-in spruce keel matching chine strips epoxied place Luckily doped black hardly noticeable detract scale appearance No further attempts made during 1981 fly plane time Brimfield Spring Meet came around des perate find out whether created flying machine hangar queen May 22 1982 time find out Armed picnic baskets filled goodies old Chevy wagon filled airplanes flight boxes grandchildren other loyal sympathetic family mem bers descenced upon Brimfield weather conditions once good better forecast Hoping get test flights begun before conditions changed hurried get water radio checked engines run indi vidually together shut down order top off tanks engines screaming China Clipper released soon obvious building up enough speed get onto step going problem As takeoff run distance used up throt tles slowed plane taxied back Another attempt tried same result taxied back again next try throttles opened maxi mum got up step little back pressure elevator tried too soon 140 Model Aviation AMA Clubs Giant Scalers Save 30%Order Direct Buckeye Balsa suppiies AAA quality balsa certified aircraft plywood fine kits Aero Composites Double C Mfg. Fliteglas Models Fourmost Products Kitty Hawk Models Dave Platt Precision Built Models RIC Kits Mfg. VK Modda Bob Dively Modd Aircraft 8 hobby shops Send $1 catalog Price applied first order Minimum Net Order $50 No shipping COD charges 216 533 3607 P0 Box 174 Canfield OH 44406 SILICONE 10 foot coils TUBING SIZESMALL MEDIUM LARGE LilA.062/156092/187125/250 $/COIL$235$265$325 US POSTAGE & HANDLINGsmall 37/Coil med 37/Coil large oil gasoline LARRY DODGE AEROINC 10210 MANNING AVENUE N STILLWATER MN 55082 IEGAIN Losing control can night mare wrong response given command can take its toll model nerves wallet Radio South know feel about hobby too avid RC enthusiasts nearly half century combined experience C NTR Pt modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical inhouse radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control Authorized sales & ser JR PROPO radio io Line • equipment imported Futaba K______ Circus Hobbies 80 E Burgess Road FL 32503904/478-6745 plane lifted port wing too high right tip dug water cartwheeled around right great deal spray killing three engines As plane made tight circles water engine idling modeler landed crashed starboard wing immedi ately became quite irritable chase boat retrieved plane re trieved composure began assess problems First keel chine strips cured steering problem Second six inches wing tip rebuild Third appeared suction hull sponsons going difficult overcome gluing remaining pieces together discussed advantages using wax wetted areas different elevator techniques Some sections wing tip mtss ing too badly crushed re-use trusty old flight box called upon yield necessary scraps re-form tip aileron No MonoKote available old substitute employedScotch Brand Magic Transparent Mending Tape makes great waterproof skin quite fuelresistant too everything epoxied back together model declared airworthy still worried about lack speed water occurred three bladed prop could problem Sometimes two-bladed prop will let engine turn better produce power decided would worth try installed four Top Flite wood 7-6 props ran engines reset carburetors headed waters edge once engines full power area really cleared Lois released tail approximately 50 ft model air surprised lagging several seconds behind needed control response Sensing predicament calm reassuring voice left elbow began coaching Bring up left winga little nose downnow keep right turn no 300 bankdont let tighten up turn wants etc sudden realized China Clipper flying People cheering jumping hugging plane flew beautifully time altitude trim sttcks transmitter take pres sure off cramping fingers flew Very docile very smooth very majestic voice came again Fly right down waternow ease off some power hold off now cut powerlet settleyou got landing super smooth As taxied feeling pure elation sure flight wasnt fluke China Clipper immediately refueled flew again better results second takeoff picture book whole flight superb really flies mysterious voice helped much turned out belong Mr Len Bell now get pure unarranged coin cidence turns out Pan Am pilots 14000 hr actually flew China Clipper sister ships regu lar run Miami Leopoldville Africa Pacific got too hot pas senger flights isnt books dont know what Needless say spent lot time discussing similarities differ ences model compared real thing Mr Bells caution about model tucking under reference left turn right turns plane grooved way around no tendency turn tighten go left turn became established conscious effort made apply little opposite control prevent angle bank increasing agreed difference turns probably due collective torque four engines rotating same di rection rudder trim transmitter bore out theory After first flight rudder setting roughly 50 right trim required keep plane flying straight ahead Mr Bell suggested reducing prop pitch #4 engine outboard starboard side would likely help situation possibly #3 should changed well told us real clippers pitches props likely different settings due changes weight wing fuel tanks flight progressed load board trim requirements airplane model down-elevator has also necessary trim plane fly hands-off Summing up eventually realized model China Clipper easier fly trusty old PBY5 81/2 lb fueled weight 3 lb heavier Catalina PBY5 has no ailerons China Clipper has lot work formidable challenge finally great satisfaction think about moment exactly modeling should beContinued page 144 December 1983 141 Custom Built RC Model Airplanes Specializing SI-Planes Cell Write Prices BUZZARD AIRCRAFT 614 Ann St. Beaufort NC 28516 918 728-3891 SCALE DOCUMENTATION SCALE DRAWINGSPHOTOS BOOKLETS MODEL PLANS 1983 AIRPLANE CATALOG 2 60 AG REPLA TECH NTERNAT ONAI 500 MC KENZIE Hwy VOA OREGON 97499 RADIO EQUIPMENT EXCHANGE lox 561 Park Forest Illinois 60466 List used radio equip ment sale No fee listing Escrow available Send SASE details Manufacturers Super Fli 84S18995 92$19995 Zlin Z5OL 84S15995 92$18995 Beagle Pup 85 QuadraS18995 Softglas Filler Sealer Primer one$12SOIcan Fast Threads Brass inserts 4-406132 8132 /-20S098 Fast Tape Wing Sheeting 3x50$1095 1 x50$595 Mister 5 X 5 Casted Resin PilotS1295 Starter Kits Canopy cowl LG Plans kits Send $100 catalog China Clipper/Chappell Continued page 147 Happy flying China Clipper Material List ICarl Goldberg Skylane 62 wing kit 4Aluminum soft drink cans cowls 4OS 10 engines 27-4 Props starboard side 27-6 Props pon side 4~90o Belicranks throttles 3Vs-in Balsa sheet 3 x 36 8-in Balsa sheet 3 x 36 ISheet Plexiglas 1/16 x 6 x 8 4#12 Perfect brand Control Line fuel tanks 21/16-in Brass tubing x 12 IA-in Brass tubing x 12 4-A-in Streamline brass tubing 2Vs-in Hardwood dowel x 12 4Nyrod x 36 4Du-Bro ball socket fittings 4Sets 4-40 engine mounting bolts w/nuts 116-in Length medium silicone fuel tubing l/4-in Hardwood dowel x 12 -in Plywood sheet 12 x 24 13/16-in Plywood sheet 6 x 12 4Plywood wing skin 1/64 x 12 x 48 Sig Mfg Co ISpruce pc 36 1Balsa block 6 X 4 X 3 nose block Giant Taliwbeel Assembly Now three sizes spring steel tailwheels 4to9 Lbs$1295 lOtol8Lbs $1495 l9Lbs8UP $1595 2Balsa block x l/2 x lOin sponson tips 1Balsa block x 3 x 4 cockpit roof IPkg wing cushion tape lPkg servo mounting tape 29/16 x 11/16 x 7 Hardwood sponson main spar pieces 2~60o Belleranks aileron 2Robart hinge points medium size 1Split elevator horn Contml Line type modified INylon wing screw 2 2Music wire 1/16 x 36 2Rolls Super MonoKote white ARoll Super MonoRote silver Roll Super MonoRote orange Roll SuperMonoKote black ISpool elastic thread silver metallic MiscAdhesives crew figures cockpit detail materi als 4-Cb radio etc Radio Technique/Myers Continued Daae 43 999 ms ins iseconds 1/1000 second Ace RF Interface turns Datamaster display ON/OFF show widths transmitters control pulses taken directly off transmitters tenna no intervening receiver required Normally control pulses will meas AflENTION ERS ured some value between 069 200 milliseconds trims controls centered pulse value will normally l45ms Kraft 13lms certain older Futaba sets SOms practically everyone else rotary switch RF Interface will select particular pulse want study out two eight normally generated digital AM transmitters Lets say have four-channel set identify pulse widths wiggling sticks ob serving effect time switch position Lets say find following -Throttle1 54ms 2Elevator148 3Aileron154 4Rudder147 5?300 6Throttle again154 7Elevator again148 8Aileron again154 wiggle sticks see item 5 affected control Whats going point need some additional information similar knowing sun shone 2 hours previous example need know control pulses sent out strings repeat length typical string about 2Oms also need know typical pause between control pulses 025ms So lets work out numbers transmitter Neutral pulse 4 @ lSms Spaces 4 @ 025 ins s Total7Oins Subtract time used 7Oms string time 20Oms get 13Oms Since Datamaster can read maximum 999ms shows whats left over 3Oms now un derstand 30 reading comes Since frame time time complete string pulses usually fixed about 2Oins Reset pulse thats left over must change time control pulses changeand does RF Interface keys Reset pulse set up distribution num bered switch positions its logical fifth position will Reset six seven eight repeats Transmitters other numbers channels will get cor FrOm~jen Ag Aviation TI4 FAIRCadCOI 34 ChKit #107 $3995 Far 099 15 Engines 48 Wingspan Dealer ributor Inquiries Please aend 5Ot Phene 753 273-9593for Flyline Catalog Flyline Models Inc PO Box 2136 Fairfax virginia 22031 USA 144 Model Aviation PIPER Vagabond PA 17 Wingspan 84 Flying Weight 10 lbs Engine 60 to 91 Wing Design Foamone piece Fuselage Built up balsa semimonocoque con struction$15995 Kit also includes fiberglass cowl heavy duty landing gear 040 thick windows Easyandfesttebuild * Adelighttefly Expert er Beginner OHIO SUPERSTAR PRODUCTS INC CheroKee Dr North Canton Ohio 44720Phone 216 494-8189 IGLIIZ TIllS PROFILECOM8A RA T WIDE & NARROW WEDGE 75 -- 6 oz Capacities 111ThO & STIKID Cuitim D1m huh Ingredients detailed bochueSOG stamps/check oni CAROLINA-TAFFI NDER 8345 Delhi Road Charleston Hats. Sc 29418 803-553-7169 EPOXY GLASS COWLS FOR NOSEN PICA SID MORGAM BALSA USA PLAU CONCEPT FLEET IWSTETLER RCM T-CRAFT SHEBER P1775 ft SCALE SUPER CUB FOEKER 0-7 BOEING P- 12 P-26 F4B2 P4B4 SPARROW HAWIC GEE BEE MOO Y MACBRIENS TURBULENT CHRISTEN EAGLE BRISIGNELLAS STARDUSTER II A SCALE 13-al BABY PLYBABY AIRCAMPER PILOT JUNGMANN T39 SCALE 7/4 SCALE DECATIIALON PIPER PA-IS ft OTHERS WHEEL PANTS FOR CITABRIA STAROUSTER II P1775 SKYBOL T LIBERTYSPORT CHRISTEN EAGLE RE E HAWI STEARMAN STINSON SR-B MULLIGAN ft OTHERS BR4IZED HEAT-TREATED WIRE GEARS6CABANES LARGE SCALE PLANS AvAILABLE Send $100 latest list supply Modelers fiberglass parts plansWrite call us T ft D FIBERGLASS SPECIALTIES 30925 BLOCK GARDEN CItY MI 48135 PHONE 313 421-6358

NO OCR TEXT NO OCR TEXT Left Close-up nose shows captain copilot PAA summer uniforms Note unusual pitot tube design Radio pull-on switch just below Pan Am logo Right control horns internal Tail surfaces have generous area Silver metallic thread used rigging Left Round 1/8-in brass tubing soldered middle streamlined brass tubing diagonal struts provides sockets 1/Bin dowel vertical struts doped silver Right Windows cut 1/16-in Plexiglas corners sanded round Bumps above row windows simulate air vents Lettering cut black Super MonoKote per method described text may never paint lettering again Left Author now uses 7-4 props starboard side 7-6 port Authentic-looking three-blade 6-4 props tried first didnt give enough takeoff thrust Right Wing detailing includes landing light registration number static vent tube hardwood toothpick Ailerons mounted MonoKote hinges top Internal control horns give super-clean scalelike appearance photos author China Clipper NC 14716 nicknamed Sweet Sixteen pilots subject presented modeling pleasure easy model build fly type model person would build hack around sky Saturday after noon love build classics want have plane will impress crowd model excellent choice think may first RC Sport Scale presentation China Clipper long time has lot interest building flying other four-engined models such B-17 B-24 Lancasters am aware previ ous attempt model plane should mystery Smithsonian Institution WaslnWfn DC has 24-in solid display model plane disappointed rather poor repre sentation magnificent machine say jokingly complete model drawn shown will own copy surpasses Smithsonian quality would recommend builder experienced both building flying multi-engined RC aircraft before tackling project definitely plane novice construction methods straightforward conventional ac curacy very careful attention detail musts plans specifications must followed improvisation successful total weight balance point have right make changes modifications chances coming out good-flying machine seriously lessened models flying characteristics demand lot experience part pilot Just flying full-scale aircraft person must work up simple single-engine planes complex multi-engine heavies fly differently Multiengine model fliers will usually agree planes type challenging say least model its 74-in wingspan four 05 10 engines 8 lb total weight classified just opposite heavy realize fact seems contradict what said preceding paragraph weight wing loading works out ap 32 Model Aviation CHUCK WOOD bvI-1ankCLrk 0 S MAX 10 ENGIJES ON V4PLYMOUN1S AILERON SERVO ROD LITTLE WINDY ENGINE BELICRANK 4 ON 1/8 PLYWOOD ye PLYV4O C/S PLATFORM / NYLON HOLD DOWN SCREW 1/16 SHEET BOTFOMI CENTER RIBSIBALSA IBLOCK FAIRING 1/4 BALSA FIN FRAMING SNAP LINK 1/4 SHEET DOUBLERS FOR THICKNESS AT ROOT 1/4 BALSA TOP KEEL 1/64 BODY IN 9 I/4X 3/8 RUDDER LE II II I 1/8 SHEET RUDDER MUSIC WIRE ELEVATOR JOINER I/4X 1/2 BALSA SPAR 1/2 BALSA ELEVATOR TAPERED 1/64 SKIN ON FIN ONLY SE RODS TO RUDCER-ELEV 1SHEET SODA CAN COWLS 1/4 DOWEL HOLD DCYNNS -1 BALSA BLOCKS D 1/4 PLYWOOD 1/4 BALSA BODY FORMERS / 1/4 BALSA BOTTOM KEEL FORM NOSE TO TAIL I/B PLYWOOD REAR SPAR JOINERS FRONTAND BACK I/4X 1/2 REAR AILERON SPAR 1/16 TE SHEETING TOPAND BOlTOM AILERON BELLCRANK MOUNTS ON 1/16 PLY PLATFORM SPLASH RAIL RUDDER ELEVATOR SERVO POSITIONS I/64BOTTOM SKIN FLOOR SPARS / THRU SPONSONS 1/4 RIBStNSPONscJ STEP 1/8 PLY SPAR WEB FRONT-BACK CAN BE LONGER SCUD BLOCK FOR TIPASFUAT 1/4 BALSA SPONSON CORE I/16BALSA RIBS A TIP 7j I/SHEET LEDGE SHEET TOP/BOTI K 3/B SPARS TOP AND BOTrOM 1/2 FORMED L EDGE NOTCH FOR RIBS I/4BALSA CABIN SIDES 1/64 SKIN TOP BOTTOM SPONSONS THEY TELL ME YOU NO EXCUSE HEY-CASABLANcA DOUSPRATIt IT GRABS ME JUST F9JE OF COURSE DIDNT MAKE THE HAD LOTBA TRINIDAD FAR OUTF IDEA-THNKS VU BUT IF HAD ANY CLOU7 ID SETTHE AMA NATS HANKY WHAT LAKE VISITORS BUT WAS N MASS THE GREATEST 5YNDICATE THIS STRIP N THE NEWS POOR EXCUSE YOU AND NEWS ART ON POSTERS -TO SINCE LINDBE4GH THEN COULD REALLY CUT LOOSE ALLTHE AMA.-HAVE HEART WrTH TYPES TH9JK SO-MY HEART BUCKO THEM RANT MUCH EXCITEMENT SURFER77 BALSA BLOCKS 1/4 SHEET NOSE FORMS L- 23 1/4 BALSA KEEL FORM proximately 23 oz Thats lighter numbers Scale model greatly enhances flying ability have read thus far still determined try lets get started wing its four engines place decided begin As studied old pictures collected looked through reference books could get hands realized shape wing seemed somewhat famil iar After came general shape airfoil close wing Carl Goldberg Skylane 62 1 obtained wing kits available through hobby suppliers found much work partially done wel come aid wing should constructed wing kit instructions show up point leading edge covering put difference begins very fine-toothed saw such Zona Saw another hobby shop item cut assembled wing exactly half done enable builder make center constant-chord section flat no dihedral two sections pinned flat board plywood joiners installed cut ting away sections ribs joiners epoxied spars leading trailing edges Apply epoxy liberally center joint must very strong place taper starts Rib #7 saw carefully nearly through structure outboard side rib Leave about 1/16 uncut across bottom wing trimming little go tapered outer sections can raised proper amount SHEET LRBALSAA KEEL WINS HOLD DOWN DOWELS D 02 NAILS FOR BALLAST FORMERS RADIO SWITCH LOCATION A-PcL 1//7 DOWEL m dihedral joiners placed #7 rib joint Now move ailerons out original positions make ribs spar parts extend length outer panels tips shaped block stock trailing edge requires length ening meet aileron ailerons now covered Super MonoKote white fastened wing using MonoKote strips hinges strong smooth air tight seal aileron joint made way like hide control horns much possible contributing scale effect larger-sized Robart hinge points work well small jewelers-size screw driver separate hinge point two pieces piece has drilled hole other half used hole just right size accept piece wire like comes Goldberg control horn nylon snap links Bend wire sharp 900 angle after making hole aileron glue Robart hinge half-point hole other end wire hooked 60 bellcrank wing type bell34 Model Aviation Dummy scale antenna elastic metallic thread provides support tor not-so-neat receiver antenna Silver MonoKote strips simulate corrugated sections full-size airplane Sponsons fuel tanks real China Clipper clever way provide extra wing area eliminating need wing-tip floats Old mans face second window right FULL-SIZE PLANS AVAILABLE . SEE PAGE 178 IAA BALSA BULKREAGS FUSELAGE TOP VIEW ______________ BUDDER POST L FGHIJKSTRIP HINGES SPONSON OUTLINEI/B BALSA SHEET SIDESTRIAN LEI/A BALSA SHEET- - STOCKI/4 BBLSATAIL BLITLINES REEL NOTE LOCEPT FOR BALSA BLOCK PARTS THE ENTIRE VABALSABALSA BLOCKFUSELAGE IS COVERED WITS/4 BALSA LEADINGTAPERED STOCK co FORMERSI/KB PLYWOOD ELAGE SIDE VIEW ]r D DDD D /A BALSA BULKHEADS FH IDELASTIC THREAD SILVER OR METALLIC SCALE ANTENNA /4 PLYWOOD AND BRACING WIRES ENSINE BEARERSUPON WINO BOLD DOWNIG PT BOLTWINS SAUDLE F I/A BALSA SKEET GBALSA BLOCK LV------ROAM TAPE C SHAROWODOSTREAMLINED BLOCKBRASS CABINS DESIGNED S DRAWN BY BUD CHAPPELL IEBINE STRIP0 0 3 5 K ACING BY 30E DEMARCO CE KEEL SHEET OF 3ALL RIGHTS RESERVED crank installed according plans downward aileron substantially reduced epoxying underside center gives approximately 2O up-aileron providing much better turning characteris- wing section next plywood engine 2A 5A down eliminating tics bearers drilled match engine mountof down movement drag Cutting plywood engine plates ing holes glued plates Give December 1983 35 Left Copilot visible through right skylight Model has full cockpit instrumentation seats Seat belts control yokes etc Captain has left hand control wheel right hand elevator trim handle Right wing removed receiver switch comes view rudder elevator servos wiring engine aileron servos wing charging jack upper hull right side plugged nylon screw 0-ring gasket waterproofing Its important use glues impervious water building model seaplanes engine mount areas couple coats black paint seal wood against oil otherwise would later result softening plywood dry install en gines hook up gang throttle linkage Du-Bro swivel nylon ball-joint con nectors ideal fasten throttle arms carburetors used threaded rod connectors give proper amount adjustment needed have throttles open close exactly same time working servo wires bellcranks place throttle servo mounted balsa bottom wing covering just right wing center joint double-sided tape Hook up battery radio temporarily op erate servo make certain throttles work smoothly unison Dont cover up mechanisms until satisfied everything working per fectly departed usual practice using clunk tanks model simple rea son supposed aerobatic way prototype designed fly gently mostly straight-and-level acute angles its flight being takeoff landing Perfect Brand #12 tanks intended Control Line models fit quite well behind engine part back side leading edge trimmed away change required tanks slide piece 1/16-in brass tubing rear /S-in vent tube tank top provide fill tube vent tube tanks filled through 1/16-in modified tube hang 10-in length surgical tubing other tube prevent fuel leaking over top plane tank full Semi-circular bulkheads shaped slotted fit behind engines over throttle rods fuel tank covering material 1/64 plywood wing skin marketed Sig Mfg Co SPONSON CONSTRUC 1/4 BALSA SHEET POSITION -itIP1-- __ .---- SAROWOOD BLOCK LLGLUED BETWEEN III2 OOO SPARS IIIAl__ F_________ 2/4 444I IsPo~soI V WINS STRUT I I ATTACHMENT I LOCATIONS HALL SIDE LINE - I/C BALSA BIBS PLY SPARO VA A TOP KEEL LW BALSA SHEET /4 BALSA STA FBOTTOM REELSTA C /4 BALSA TOP KEEL 1/4 BALSA SHEET SEA MI/H BALSASTA N BOTTOM EEEL Install aileron Nyrods servo Again breadboard radio battery make certain ailerons work just right done leading edge covering 1/64 ply glued plywood wing saddle piece glued directly under center joint wing Glue hardwood blocks wing accept screws fastening wing struts structure immediately under center wing built later hull progresses can now move making engine cowls no big deal just three Fresca cans another kind spoiled fourth Fresca can trying cut Actually great deal care must taken convert little gems suitable cowls First wear gloves Second alu minum thin cans prefers tear try cut found best method cut out bottom sharp locking-blade jacknife can its original condition poke hole through side can up near top old sharp scissors begin cut around can shallow spiral pattern con tinuing until get close correct 36 Model AvlatiLn Bottom view wing pylon reveals tiny MonoKate rectangles balance point harnesses engine aileron servos Pylon sits wing cushion gasket cabin Front pylon typical plywood bulkhead hardwood dowels key hull bulkhead long nylon screw fastens rear unit hardwood block cabin rear FULL-SIZE PLANS AVAILABLE . SEE PAGE 178 BALSA I/A BALSA1/4 BALSA TOPBLOCK SHEETKEEL-PLEXIGLASS 4 BALSA WINSOW 1/64 PLY L1 BALSA. BLOCKL0. L3t2 1/4 BALSA SHEET COVER WITHNACELLE COVER I/HA PLOWOOS 1/4 BALSA- TA ABOTTOM KEEL 4 L-IL-2 B L3 AXESTA B1/4 BALSA I/H BALSA SHEETSHEETSEE TOP VIEW FOR T-~-I-{ BALSASHAPE BLOCKSTA C I/A PLY1/4 BALSA TOP KEEL 1/4 PLYWOOS1/4 BALSA --SPARSFORMER HOLES FOR1/4 BALSA 1/4 BALSA SHEET WINS ATTACH FORMEB I/H SOWELS tI CSOWELS-,I /3/H TRIANGLE STOCK 3/4 TRI STOCK ]ii II I/H BALSA SIXESI 1/4 BALSA RIBS I/A PLY INSET FOR WINS STRUT ATTACHMENTI I/A RALSA 1/4BALSAI/B BALSA-ROTTOM KEEL BALSA EETI/B BALSA SHEETSHEETSTA oSHEETSTA 0-I E STRIPS FROM 5TH KEEL STRIP FROMSTA ES TO STA B I/B 3/B STA S TO STA 0 SPRUCE 1/B S/H SPRUCE SHEET1/4 BALSA S/H TRIANGLETOP KEEL SOBI/A BALSA 1/4 STASTA KSHEET BASAI BA STA HGOESSTAHEE BA SA EE COWL SIA SOFT DRINK CANCOWL TOP ENGINECOWL VA PLYWOOD UPPER FIREWALL I/B PLYWOOS 7 WING SADDLE 0I23 45K HurrY ODEL AVIATION CHINA CLIPPER DESIGNED S DRAWN BY BUD CHAPPELL TRACING BY 30E DEMARCO ALL RIGHTS RESERVED length Most likely will spoil couple corresponding semi-circle bulkheadthe cowls some scrap alu before get hang it willwill have glued onto bottom theminum flaps can cut epoxied comeengine plates complete bulkhead forsimulated open position completed Left The h-in balsa hull keel has put together wing well toward completion Engine cowls made aluminum drink cans Cowl flaps made can material also epoxied place later Right World Engines servos mounted beside middle wing ribs double-sided-adhesive tape throttles connect servo via pushrods bellcranks No dihedral wing center section December 1983 37 cowls painted white Sig Plasti Namel Fasten cowls onto enginebearer plywood parts #0 X /s wood screws after have cut tops fit around cylinders made holes sides needle valve extensions way am using 6-4 three-bladed plastic props OS lOs boiling props silver Rit dye get double benefit coloring propellers relieving stresses might present manufacturing process Just case might think until too late sure putting model together combination waterproof glues still think Ambroid best all-purpose fasteners ever formulated use lot conjunction 5-mm epoxy great deal care must taken making certain products never within reach small children Stabilizer Another advantage using Goldberg Skylane wing kit mate rials stabilizer included shape area too far scale sections decided use also felt though stab/elevator outlines werent true scale increased size would helpful controlling model would go unnoticed people modifying tip shape elevators unit works out fine bull built keel bulkheads covered planked 1/64 ply wing skin fin assembly built integral part hull plans show Once keel outline glued together box madewhich will passenger compartment point must decide whether want simu late windows along sides hull want take extra time effort actually make windows chose latter After cutting out window openings / balsa sides sawed windows 1/16-in Plexiglas corners windows rounded rough sandpaper epoxied place edges window openings finished painted orange MonoKote strips added resemble curtains Construct sponson unit Glue position through cabin sides Finish floor adding sheet balsa front behind sponson thought would add nice touch use simulated passengers carved balsa Once decorated glued place near various windows tried carve different types people imagined might travelers period old man worried look middle-aged lady priest little girl oriental gentle man put seven people including two crew very famous dog just fun glue box assembly keel will no doubt think did box no way could faired nose tail shapes Thinking made some kind huge error checked rechecked calculations see would really come out correctly Happily can assure will Putting triangu lar formers under floor comes next fol lowed Formers L- 2 3 Continue rest formers out tail will see begins take prope shape Paint cockpit floor wall behind pilots black dope glue instrument panel pilot copilot found two Star Trek figures approximately 43/4 high toy store movable limbs Balsa seats painted tan made support Two narrow strips alu minum can stock seat belts figures painted white black trim resembling Pan Am uniforms China Clipper period Put stabilizer place glue se curely Also glue nose blocks place curing cockpit roof skylights should cut out installed 34 332 BASA RIBS A4 BALSA SHEET STABLIZER TIPSBALSAS32 12 BALS CAOISGVA GE TYPICAL STABILIZER RIB PINNES NYLON STRIP RINSES R-I 7 LR2 ___ STABELEV MASIC WIRE ELEVATOR JOINER I/B —WINI BALSA SPAR -I/H V2 BALSA SPAR BALSA SHEETSI ELEVATORSEEB KCROSS SECTION FOR TAPER -- --BALSA SASS ET S R-8 R-9 R- 10 R glass cockpit area 1/16-in Plexiglas Saw out sand fit Left Bottom view cabin box sponson under construction showing 3/64 ply wing skin Sig being glued T-pinned sponson structure Right same units sop half-ribs place Plywood hardwood box spar gives sponson much strength Triangular balsa pieces lengthwise provide much support top corners cabin box Construction shots Polaroid color prints 38 Model Aviation FULL-SIZE PLANS AVAILABLE. SEE PAGE 178 SOFT ORINKWINGVIEW ENGINE COWLFUSELAGE BFRONT fIiDDPLEXIGLASS GA SPURSTREAMLINES BRASS NOOWS TUBING WING STRUTS SPONSOR SEE 77 SHEET 3 FOR CONSTRUCTION ~rr-c R-4-zF CHINE STRIPS REEL STRIP R-5-R6 ~~97z ALL RIBS ARE 3/32 BALSA SOFT SHINE CAN COWLINUS I/H PLY ENUINE BEAREREPOSY BASE PLATES ENUINE BOLT LOCATIONS OS MAX 10 I/H PLYWOOSR-7-xiiiTJj ENGINE BEARER -I- \/ VIA BRASS TUBE SOLSER INSISE VENTBELLCRANR PLATFORMS IA PLYWSSD3/B SO BALSA WINS SPBRS TOP B BOTTOM B 9B 10B II- &I= N IRILI R-2 R3IIR*BIRSR6I P -TO THROTTLEI/H PLY BASEID AILERON SERVOPLATES PUSHNOGS WING PLAN RIGHT SIDE 1/2 EAR BALSA SPAR -ORIGINAL LSTHEUTENS WING 71/H IF MALE HALF OF HOBART HINGE POINT MOVE AILERON OUTBOARO AS SHOWN I/lB BALSANO DIHEDRAL ON INBOARD SECTIONI 3/H GIHESRAL AT WING TIPREMOVE TRIG UECTION WINS SHEETING TING HEREOF BELLCRANE TO ACHIEVE ALTERNATE TO AS BELLCRANK METHOD 5 SN 15 UP CHINA CLIPPER R-13R 14DESIGNED B DRAWN BY BUD CHAPPELL O23U 5UTRACING BY JOE DEMARCO AHEFT 3 OF 3 RIGHTS REBEUNEB MODEL AVIATION epoxy place Care required Start center section windhandling pieces avoid smearing shield helps support cockpit excess glue onto surface Plexiglas roof add right left sections result efforts will very realistic looking windows also both very strong waterproof Left First impression cabin appears much too wide its glued keel Right Ply wing skin material being applied hull T-pins permit easy twist pull removal glue has dried hull very strong has completed December 1983 39 ANUS I/H PLY FIREWALL PERFECT NO 12 FUEL TANK i1 R-I2 sure install Nyrods through rear ol hull passenger/servo compartment back formers able hook up rudder elevator after hull covered Some modelers seem have difficulty understanding apply plywood wing skin material will offer few tips First must tempted try use large pieces covering Most areas hull have double compound curve charac teristic causes buckling rippling large pieces wont lay flat Cut section somewhat larger portion hull going cover lay against bulkheads pencil mark bulkhead edges seem begin trim piece size taking off little time have good fit ready glue pin place make sure have allowed next piece share same bulkhead gluing surface other words joints between pieces wing skin must come center bulk head Incidentally sides passenger box dont need covered wing skin As hull work progresses tail cone blocks glued elevator rudder control horns should made elevator horn simply Control Line type split-elevator arrangement horn moved straight-ahead posi tion horn joint should brazed onto elevator wire prevent failure due stress Silver solder might strong enough though prefer brazing Bend wire tiller rudder epoxy place will have check clearance rudder nylon clevis care fully relation outside tail covering sure before area closed will no binding major drawback hidden control horns built completely preventing future adjustments corrections Consequently have precise initial hookup provide control sur face freedom proper travel oneshot deal good side lack protruding horns rods very pleasant eye enhancing appearance same order going rubberbands nylon screws wing hold-downs wing pylon unit should finished fitted top hull dowels front pylon unit very impor tant fit pylon/gasket/hull ar rangement wing screw back must exactly aligned hardwood block rear passenger com partment Use strong cement parts carry high stress loads Before covering plane white Super MonoKote install hook up test servos rudder elevator making necessary adjustments control surfaces varying servo placement and/ adjusting pushrods course bottom hull done black center wing area done orange like curtains IThe orange panel meant helpful searchers being highly visible event plane down sea Fortunately makes plane colorful model letterine cut black MonoKote ironed quite chore worth Use #11 X-Acto knife lead pencil soft eraser hold down small letters being cut fingers will eternally grateful As case letters bow cut /4-in strip couple inches long chop off several 3/16-in rectangles Cut letters rectangles will quite uniform After some practice may never go back painting numbers using decals again Additional hints cutting piece pine board hard wood strip protective backing Super MonoKote after cut strips mentioned above anti-glare effect top nose achieved sanding black MonoKote #600-grit sandpaper just enough kill shine wing walks sponsons can done same way order simulate corrugated sections some parts hull used strips silver Super MonoKote cut / x 12-in strands found trying cut longer strips much difficult strips ironed Tack down 40 Model Aviation Small pieces wing skin used cover ing nose hull Author prefers Am broid gluing ply wing skin model beginning look exciting point though good amount work still needs done front hull hull farmers 1A-in balsa sheet cockpit nearly complete pic Receiver battery goes under cockpit Continued page 136 China Clippers designer-builder authorl Bud Chappell poses camera Bud started building models age six Fifty years later calls ultimate achievement 115 SCALE W Golden Era biplanes will come alive smooth flying easy building flying machine Its big enough catch attention yet small enough use everyday glow engine 2657 N E 188th Street Miam Rlcrroa 33180 Telepeone 935-1436 KIT FEATURES Machined die cut balsa select plywood hardwoods Hardware package Pre-bent landing gear cabine wire Vacuum formed ABS cowl aleleron caps gas cover Mylar decals Full size plans instruction book including isometric drawings SPECIFICATIONS 1/5 Scale 72in Span Area 1530 sqin 4 channel Radio 61-12 Engine Weight 12 lbs Fuse 54 1/2 Fun/Winter Continued paqe 133 Bell XFL-l Airacobra tail-dragger carrier use Nice long-winged Messerschmitt Bf 1091-2a carrier-based fighter Some few wild things mixed vintages over whelming book worth look-see want good documentation plane isnt duplicated zillion other guys coupla guys stuff see big FAC Newsletter Maybe like little rubber-powered things Dave Diels sent slew cute plans urges build couple Diels PO Box 101 Woodville OH 43489 started five plans three years ago over 30 last January 1 oh expecting expand printwood molded canopies popular subjects theres David Aronstein 50 Pasture Lane Poughkeepsie NY 12603 see 28 illustrated subjects plan listing mad variety ultralights racers originals various scales Real cute flukies like 8-in Beercat 12-in Mini-Twinan old-style twin-pusher about Roland trimotor Peanut Drawings will seem rudimentary RC kit builders builders FF Rubber Scale get inspired basic lines SOS thermometer says 103 degrees Bill Winter 4426 Altura Ct Fairfax VA 22030 China Clipper/Chappell Continued oaoe 40 end strip iron heats up stretch little go effect corrugated panels quite good done way also used silver strips cover joint wing orange white come together makes decorating little neater wing struts just looks quite functional lend lot strength wing/hull joint Start four pieces streamlined brass tubing hobby shops metal display Squeeze ends bench vise flatten neatly drilling operation next front view plans determine approximate location vertical smaller struts intersect diago nals wrap piece masking tape around diagonals point Mark tape exact point intersection drill through tape struts 5/32-in bit Use 1/16-in drill make starter hole After drilling larger hole strut remove tape sand off rough edges Cut length /e-in pieces brass round tubing bend according plan Solder together intersection making nice smooth filled joints Cut general fit sections small hardwood dowel go between spon son under surface wing will find round brass tubing sockets dowels deep enough permit dowels slid up down allow good fit against wing sponson struts finished remove paint two coats silver dope Other finishing details include various wires visible Make small hooks common pins heads re moved press locations shown wifes favorite fabric store purchase some elastic silver metallic thread After tieing knot end thread trimming off excess loop thread hook hook little practice will find can rig whole section single piecesuch piece under side stabilizer air vents over some passenger windows small blocks MonoKote-covered balsa epoxied place pilot tube top cockpit different appearance built A-in tubing dowel Z-bent wire glued top Pan Am logo can placed two different places According photos have collected 1935 136 Model Aviation Builders Get f Better Start Season Using KIN-CRAFT Quality Line Polyester Resins Micro-Balloon Air-O-FilI Gloves Protective Fiberglass Cloth & Tapes 1/a z Cloth 1 4 & 6 Tapes Custom Cut Cloth Any Length Sandable Primers Thinner Accessories also Dust Masks Gator Grip Contact Cement Applicator Kits Engine Cleaner Oil KitsNIN Send self-addressed stamped envelope free catalogue discounts Kin-Craft Mfg Ri 2 Box 481E Ashland KY 41101 Dealer Distributor Inquiries Invited 928-4763NuN Quarter Scale Davis Dl k REALISTIC FLIGHT SPEEDS RESPONSIVE CONTROLS EXCELLENT GROUND HANDLING Span 90 laae 63 1300 SQ Ifl ROLLau CLAN / uonaIruclIorl tfooklet s25 Plans Kinner Sportster Write.. DA CLASS C GIANT DESIGNS5CAEPI-ANS 35 Eec ManSDS Pheos New Y Phone35 8 logo appeared nose vicinity planes name pictures made 1936 some unexplained reason logo shown pylon behind engineers window various small windows hull duplicated black MonoKote Pre-flight little difficulty experi enced getting ideal balance point CG model completed turned out tail-heavy couldnt move radio equipment forward thing left add nose weight way thinking last resort try earn estly achieve proper balance other way adding weight instance no choice first step put small pieces black MonoKote under wing alongside pylon exactly desired balance point enabled locate feel precise point place two index fingers order lift model next thing cut top nose block off glare-panel line about 1 /2 back Re move front section carefully can used again start drilling /4-in Continued page 140 71 - $ K- 7$i K,, , 4 7Km- 55Zf'it5 modellVs mi trenor GIANT R/C SCALE PLANS f7TRTISS R-6 37 SPAtE 52195 AERONCA C3 i icd spu LEAR FAN 1 172 SPAtE 521 CO S19O VOGEL AVIATION DEPT M BOX 54 RESEDA CA 9135 PEPPERMINT PATTIE60 Performs entire AMA Pattern PAE ability Will put tou FBREGLASS PUSk tailpOSt & wleg IdIots So FLITEGLAS MODELSSee dealer ordey direct WINGASTABILIZER FOAM C rR4 Plo BOBBling MASTER KIT AILERONS ELEVATOR & B rough sanded shwPeDroision BAA/RICH SALES CO BASIC HARDWARE- hinges cileron OOeneOtOtS2 FAIRWAY torque rods cIwoises aed tyrweded rodsHANNIBAL MO N34St Sf4 2at-ASyS WINGSPAN- AR AREA-BBS Bgihn ENGINE- ASa WEIGHT 75 Bibs FLY THE BEST December 1983 137 ALL SHEET ONE PIECE AAA GRADE KILN DRIED SANDED TO CLOSE TOLERANCES PED 100% 36Light 4-6lb38118x3453/l6sq17318x 11/2 331/16x3491116x4481/4sq26112x2 403/32 x 3563/32 x 4561/4 x 3/830 431/8 x 367 1/8 x 466 3/8 sq.37 493/16 x 37648 Sticks 561/4x385Add4O0/o 318x3115 37112x3139 44 54Sheets 48 62 73 No Need Make Christmas List Just Use Ad Tote Bag 0 UNIQUE CHRISTMAS GIFT IDEAS Tire Covers Tote Rags Hats end quality line sportswear Designs just come aviation designs available top quality line sportswear designs direct printno heat transfer Three color 8-25 er Cub. Gee Bee. P40 Warhawks ker D VII 8. Christen EaIe. Pltts Speia1. Citabria P47 Thunderbolt arman Curtis Jenny. Corsair. Coaches ShirtS 1295T-ShirtS605 Ladies TopS550Long Sleeve TS755 ShortsS595Bssebeil$S95 Lined JecketS2195FootbailSS95 Tote Bag579SSwestshirt$95O Tire Cover51495Hooded SweetSi495 HetS595 Wide choice colors sizes Send $100 new Illustrated Brochure Name Address CityStateZip DesignSize Color now accept MasterCard & Visa TO ORDER Send check money order Shipping $115 add Si 50 Over $15 add 10% Maryland residents add 5% taxI Phase Art Hwy 382 Box 123L Waldorph MD 20601 301 843-3060 China Clipper/Chappell Continued page 137 holes nose block angle toward back will accept 16-penny nails heads removed Keep adding nails until get perfect balance feel just little nose-down exactly level took total 2/2 oz job bad really bugs have haul around non-contributing weight decorating finished flight pack batteries have charged start adjust engine individually proper power needle settings models nose tilted upward 300 Get idle setting reliable too prevent too-fast approach landing Sullivan starter notches cut rubber insert match three-bladed props makes starting very easy friend handling battery glow plug duties start outboard port engine first Continue down line one-third throttle setting seems about right Once engines running test re sponse power likeness fore warnedthose four ake powerful racket Check control functions engines running sure work ing reliably certaindont risk model found aileron servo nasty chatter tested way cut new wing open replace hated think very obvious what might have happened otherwise Flying first taxi tests conducted 1981 Brimfield Massachusetts Fall Hydro Contest Due very high winds event put off until late day hopes winds would calm down did slack off somewhat though much would have liked Quite few people waited day long hoping see first flight China Clipper decision made give go engines fired up nicely radio tested okay faithful wife friend helper Lois pointed nose wind ran lOs up full power signal Lois released plane moved out quickly wind making water much too roughit like trying take off full-scale plane heavy seas waves caused model pitch violently hard gain speed also became apparent far less rudder control hoped keeping nose wind difficult Eventually plane got up step beginning take longer bounces between wave tops just about completely airborne began get too far off course left heading tree-lined shore Everyone cheering CD Don Fos ter yelling got ityou got wasnt pleased prospect starting immediate right turn new untested plane time already too far away decided another attempt would lot better cut power model settled back water tried turning around taxi back found wind uncooperative sponsons marginal plane turned crosswind wing tip tilted lee side water allowed outboard engine con tact rough waves conked out An attempt turning other way yielded same result finally managed sail China Clipper back beach its own power avoid humiliation being towed Several times tried get going right direction direc tional control needed little daylight under hull could hardly called flight Back workshop first modi fication 3/ X /4-in spruce keel matching chine strips epoxied place Luckily doped black hardly noticeable detract scale appearance No further attempts made during 1981 fly plane time Brimfield Spring Meet came around des perate find out whether created flying machine hangar queen May 22 1982 time find out Armed picnic baskets filled goodies old Chevy wagon filled airplanes flight boxes grandchildren other loyal sympathetic family mem bers descenced upon Brimfield weather conditions once good better forecast Hoping get test flights begun before conditions changed hurried get water radio checked engines run indi vidually together shut down order top off tanks engines screaming China Clipper released soon obvious building up enough speed get onto step going problem As takeoff run distance used up throt tles slowed plane taxied back Another attempt tried same result taxied back again next try throttles opened maxi mum got up step little back pressure elevator tried too soon 140 Model Aviation AMA Clubs Giant Scalers Save 30%Order Direct Buckeye Balsa suppiies AAA quality balsa certified aircraft plywood fine kits Aero Composites Double C Mfg. Fliteglas Models Fourmost Products Kitty Hawk Models Dave Platt Precision Built Models RIC Kits Mfg. VK Modda Bob Dively Modd Aircraft 8 hobby shops Send $1 catalog Price applied first order Minimum Net Order $50 No shipping COD charges 216 533 3607 P0 Box 174 Canfield OH 44406 SILICONE 10 foot coils TUBING SIZESMALL MEDIUM LARGE LilA.062/156092/187125/250 $/COIL$235$265$325 US POSTAGE & HANDLINGsmall 37/Coil med 37/Coil large oil gasoline LARRY DODGE AEROINC 10210 MANNING AVENUE N STILLWATER MN 55082 IEGAIN Losing control can night mare wrong response given command can take its toll model nerves wallet Radio South know feel about hobby too avid RC enthusiasts nearly half century combined experience C NTR Pt modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical inhouse radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control Authorized sales & ser JR PROPO radio io Line • equipment imported Futaba K______ Circus Hobbies 80 E Burgess Road FL 32503904/478-6745 plane lifted port wing too high right tip dug water cartwheeled around right great deal spray killing three engines As plane made tight circles water engine idling modeler landed crashed starboard wing immedi ately became quite irritable chase boat retrieved plane re trieved composure began assess problems First keel chine strips cured steering problem Second six inches wing tip rebuild Third appeared suction hull sponsons going difficult overcome gluing remaining pieces together discussed advantages using wax wetted areas different elevator techniques Some sections wing tip mtss ing too badly crushed re-use trusty old flight box called upon yield necessary scraps re-form tip aileron No MonoKote available old substitute employedScotch Brand Magic Transparent Mending Tape makes great waterproof skin quite fuelresistant too everything epoxied back together model declared airworthy still worried about lack speed water occurred three bladed prop could problem Sometimes two-bladed prop will let engine turn better produce power decided would worth try installed four Top Flite wood 7-6 props ran engines reset carburetors headed waters edge once engines full power area really cleared Lois released tail approximately 50 ft model air surprised lagging several seconds behind needed control response Sensing predicament calm reassuring voice left elbow began coaching Bring up left winga little nose downnow keep right turn no 300 bankdont let tighten up turn wants etc sudden realized China Clipper flying People cheering jumping hugging plane flew beautifully time altitude trim sttcks transmitter take pres sure off cramping fingers flew Very docile very smooth very majestic voice came again Fly right down waternow ease off some power hold off now cut powerlet settleyou got landing super smooth As taxied feeling pure elation sure flight wasnt fluke China Clipper immediately refueled flew again better results second takeoff picture book whole flight superb really flies mysterious voice helped much turned out belong Mr Len Bell now get pure unarranged coin cidence turns out Pan Am pilots 14000 hr actually flew China Clipper sister ships regu lar run Miami Leopoldville Africa Pacific got too hot pas senger flights isnt books dont know what Needless say spent lot time discussing similarities differ ences model compared real thing Mr Bells caution about model tucking under reference left turn right turns plane grooved way around no tendency turn tighten go left turn became established conscious effort made apply little opposite control prevent angle bank increasing agreed difference turns probably due collective torque four engines rotating same di rection rudder trim transmitter bore out theory After first flight rudder setting roughly 50 right trim required keep plane flying straight ahead Mr Bell suggested reducing prop pitch #4 engine outboard starboard side would likely help situation possibly #3 should changed well told us real clippers pitches props likely different settings due changes weight wing fuel tanks flight progressed load board trim requirements airplane model down-elevator has also necessary trim plane fly hands-off Summing up eventually realized model China Clipper easier fly trusty old PBY5 81/2 lb fueled weight 3 lb heavier Catalina PBY5 has no ailerons China Clipper has lot work formidable challenge finally great satisfaction think about moment exactly modeling should beContinued page 144 December 1983 141 Custom Built RC Model Airplanes Specializing SI-Planes Cell Write Prices BUZZARD AIRCRAFT 614 Ann St. Beaufort NC 28516 918 728-3891 SCALE DOCUMENTATION SCALE DRAWINGSPHOTOS BOOKLETS MODEL PLANS 1983 AIRPLANE CATALOG 2 60 AG REPLA TECH NTERNAT ONAI 500 MC KENZIE Hwy VOA OREGON 97499 RADIO EQUIPMENT EXCHANGE lox 561 Park Forest Illinois 60466 List used radio equip ment sale No fee listing Escrow available Send SASE details Manufacturers Super Fli 84S18995 92$19995 Zlin Z5OL 84S15995 92$18995 Beagle Pup 85 QuadraS18995 Softglas Filler Sealer Primer one$12SOIcan Fast Threads Brass inserts 4-406132 8132 /-20S098 Fast Tape Wing Sheeting 3x50$1095 1 x50$595 Mister 5 X 5 Casted Resin PilotS1295 Starter Kits Canopy cowl LG Plans kits Send $100 catalog China Clipper/Chappell Continued page 147 Happy flying China Clipper Material List ICarl Goldberg Skylane 62 wing kit 4Aluminum soft drink cans cowls 4OS 10 engines 27-4 Props starboard side 27-6 Props pon side 4~90o Belicranks throttles 3Vs-in Balsa sheet 3 x 36 8-in Balsa sheet 3 x 36 ISheet Plexiglas 1/16 x 6 x 8 4#12 Perfect brand Control Line fuel tanks 21/16-in Brass tubing x 12 IA-in Brass tubing x 12 4-A-in Streamline brass tubing 2Vs-in Hardwood dowel x 12 4Nyrod x 36 4Du-Bro ball socket fittings 4Sets 4-40 engine mounting bolts w/nuts 116-in Length medium silicone fuel tubing l/4-in Hardwood dowel x 12 -in Plywood sheet 12 x 24 13/16-in Plywood sheet 6 x 12 4Plywood wing skin 1/64 x 12 x 48 Sig Mfg Co ISpruce pc 36 1Balsa block 6 X 4 X 3 nose block Giant Taliwbeel Assembly Now three sizes spring steel tailwheels 4to9 Lbs$1295 lOtol8Lbs $1495 l9Lbs8UP $1595 2Balsa block x l/2 x lOin sponson tips 1Balsa block x 3 x 4 cockpit roof IPkg wing cushion tape lPkg servo mounting tape 29/16 x 11/16 x 7 Hardwood sponson main spar pieces 2~60o Belleranks aileron 2Robart hinge points medium size 1Split elevator horn Contml Line type modified INylon wing screw 2 2Music wire 1/16 x 36 2Rolls Super MonoKote white ARoll Super MonoRote silver Roll Super MonoRote orange Roll SuperMonoKote black ISpool elastic thread silver metallic MiscAdhesives crew figures cockpit detail materi als 4-Cb radio etc Radio Technique/Myers Continued Daae 43 999 ms ins iseconds 1/1000 second Ace RF Interface turns Datamaster display ON/OFF show widths transmitters control pulses taken directly off transmitters tenna no intervening receiver required Normally control pulses will meas AflENTION ERS ured some value between 069 200 milliseconds trims controls centered pulse value will normally l45ms Kraft 13lms certain older Futaba sets SOms practically everyone else rotary switch RF Interface will select particular pulse want study out two eight normally generated digital AM transmitters Lets say have four-channel set identify pulse widths wiggling sticks ob serving effect time switch position Lets say find following -Throttle1 54ms 2Elevator148 3Aileron154 4Rudder147 5?300 6Throttle again154 7Elevator again148 8Aileron again154 wiggle sticks see item 5 affected control Whats going point need some additional information similar knowing sun shone 2 hours previous example need know control pulses sent out strings repeat length typical string about 2Oms also need know typical pause between control pulses 025ms So lets work out numbers transmitter Neutral pulse 4 @ lSms Spaces 4 @ 025 ins s Total7Oins Subtract time used 7Oms string time 20Oms get 13Oms Since Datamaster can read maximum 999ms shows whats left over 3Oms now un derstand 30 reading comes Since frame time time complete string pulses usually fixed about 2Oins Reset pulse thats left over must change time control pulses changeand does RF Interface keys Reset pulse set up distribution num bered switch positions its logical fifth position will Reset six seven eight repeats Transmitters other numbers channels will get cor FrOm~jen Ag Aviation TI4 FAIRCadCOI 34 ChKit #107 $3995 Far 099 15 Engines 48 Wingspan Dealer ributor Inquiries Please aend 5Ot Phene 753 273-9593for Flyline Catalog Flyline Models Inc PO Box 2136 Fairfax virginia 22031 USA 144 Model Aviation PIPER Vagabond PA 17 Wingspan 84 Flying Weight 10 lbs Engine 60 to 91 Wing Design Foamone piece Fuselage Built up balsa semimonocoque con struction$15995 Kit also includes fiberglass cowl heavy duty landing gear 040 thick windows Easyandfesttebuild * Adelighttefly Expert er Beginner OHIO SUPERSTAR PRODUCTS INC CheroKee Dr North Canton Ohio 44720Phone 216 494-8189 IGLIIZ TIllS PROFILECOM8A RA T WIDE & NARROW WEDGE 75 -- 6 oz Capacities 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NO OCR TEXT NO OCR TEXT Left Close-up nose shows captain copilot PAA summer uniforms Note unusual pitot tube design Radio pull-on switch just below Pan Am logo Right control horns internal Tail surfaces have generous area Silver metallic thread used rigging Left Round 1/8-in brass tubing soldered middle streamlined brass tubing diagonal struts provides sockets 1/Bin dowel vertical struts doped silver Right Windows cut 1/16-in Plexiglas corners sanded round Bumps above row windows simulate air vents Lettering cut black Super MonoKote per method described text may never paint lettering again Left Author now uses 7-4 props starboard side 7-6 port Authentic-looking three-blade 6-4 props tried first didnt give enough takeoff thrust Right Wing detailing includes landing light registration number static vent tube hardwood toothpick Ailerons mounted MonoKote hinges top Internal control horns give super-clean scalelike appearance photos author China Clipper NC 14716 nicknamed Sweet Sixteen pilots subject presented modeling pleasure easy model build fly type model person would build hack around sky Saturday after noon love build classics want have plane will impress crowd model excellent choice think may first RC Sport Scale presentation China Clipper long time has lot interest building flying other four-engined models such B-17 B-24 Lancasters am aware previ ous attempt model plane should mystery Smithsonian Institution WaslnWfn DC has 24-in solid display model plane disappointed rather poor repre sentation magnificent machine say jokingly complete model drawn shown will own copy surpasses Smithsonian quality would recommend builder experienced both building flying multi-engined RC aircraft before tackling project definitely plane novice construction methods straightforward conventional ac curacy very careful attention detail musts plans specifications must followed improvisation successful total weight balance point have right make changes modifications chances coming out good-flying machine seriously lessened models flying characteristics demand lot experience part pilot Just flying full-scale aircraft person must work up simple single-engine planes complex multi-engine heavies fly differently Multiengine model fliers will usually agree planes type challenging say least model its 74-in wingspan four 05 10 engines 8 lb total weight classified just opposite heavy realize fact seems contradict what said preceding paragraph weight wing loading works out ap 32 Model Aviation CHUCK WOOD bvI-1ankCLrk 0 S MAX 10 ENGIJES ON V4PLYMOUN1S AILERON SERVO ROD LITTLE WINDY ENGINE BELICRANK 4 ON 1/8 PLYWOOD ye PLYV4O C/S PLATFORM / NYLON HOLD DOWN SCREW 1/16 SHEET BOTFOMI CENTER RIBSIBALSA IBLOCK FAIRING 1/4 BALSA FIN FRAMING SNAP LINK 1/4 SHEET DOUBLERS FOR THICKNESS AT ROOT 1/4 BALSA TOP KEEL 1/64 BODY IN 9 I/4X 3/8 RUDDER LE II II I 1/8 SHEET RUDDER MUSIC WIRE ELEVATOR JOINER I/4X 1/2 BALSA SPAR 1/2 BALSA ELEVATOR TAPERED 1/64 SKIN ON FIN ONLY SE RODS TO RUDCER-ELEV 1SHEET SODA CAN COWLS 1/4 DOWEL HOLD DCYNNS -1 BALSA BLOCKS D 1/4 PLYWOOD 1/4 BALSA BODY FORMERS / 1/4 BALSA BOTTOM KEEL FORM NOSE TO TAIL I/B PLYWOOD REAR SPAR JOINERS FRONTAND BACK I/4X 1/2 REAR AILERON SPAR 1/16 TE SHEETING TOPAND BOlTOM AILERON BELLCRANK MOUNTS ON 1/16 PLY PLATFORM SPLASH RAIL RUDDER ELEVATOR SERVO POSITIONS I/64BOTTOM SKIN FLOOR SPARS / THRU SPONSONS 1/4 RIBStNSPONscJ STEP 1/8 PLY SPAR WEB FRONT-BACK CAN BE LONGER SCUD BLOCK FOR TIPASFUAT 1/4 BALSA SPONSON CORE I/16BALSA RIBS A TIP 7j I/SHEET LEDGE SHEET TOP/BOTI K 3/B SPARS TOP AND BOTrOM 1/2 FORMED L EDGE NOTCH FOR RIBS I/4BALSA CABIN SIDES 1/64 SKIN TOP BOTTOM SPONSONS THEY TELL ME YOU NO EXCUSE HEY-CASABLANcA DOUSPRATIt IT GRABS ME JUST F9JE OF COURSE DIDNT MAKE THE HAD LOTBA TRINIDAD FAR OUTF IDEA-THNKS VU BUT IF HAD ANY CLOU7 ID SETTHE AMA NATS HANKY WHAT LAKE VISITORS BUT WAS N MASS THE GREATEST 5YNDICATE THIS STRIP N THE NEWS POOR EXCUSE YOU AND NEWS ART ON POSTERS -TO SINCE LINDBE4GH THEN COULD REALLY CUT LOOSE ALLTHE AMA.-HAVE HEART WrTH TYPES TH9JK SO-MY HEART BUCKO THEM RANT MUCH EXCITEMENT SURFER77 BALSA BLOCKS 1/4 SHEET NOSE FORMS L- 23 1/4 BALSA KEEL FORM proximately 23 oz Thats lighter numbers Scale model greatly enhances flying ability have read thus far still determined try lets get started wing its four engines place decided begin As studied old pictures collected looked through reference books could get hands realized shape wing seemed somewhat famil iar After came general shape airfoil close wing Carl Goldberg Skylane 62 1 obtained wing kits available through hobby suppliers found much work partially done wel come aid wing should constructed wing kit instructions show up point leading edge covering put difference begins very fine-toothed saw such Zona Saw another hobby shop item cut assembled wing exactly half done enable builder make center constant-chord section flat no dihedral two sections pinned flat board plywood joiners installed cut ting away sections ribs joiners epoxied spars leading trailing edges Apply epoxy liberally center joint must very strong place taper starts Rib #7 saw carefully nearly through structure outboard side rib Leave about 1/16 uncut across bottom wing trimming little go tapered outer sections can raised proper amount SHEET LRBALSAA KEEL WINS HOLD DOWN DOWELS D 02 NAILS FOR BALLAST FORMERS RADIO SWITCH LOCATION A-PcL 1//7 DOWEL m dihedral joiners placed #7 rib joint Now move ailerons out original positions make ribs spar parts extend length outer panels tips shaped block stock trailing edge requires length ening meet aileron ailerons now covered Super MonoKote white fastened wing using MonoKote strips hinges strong smooth air tight seal aileron joint made way like hide control horns much possible contributing scale effect larger-sized Robart hinge points work well small jewelers-size screw driver separate hinge point two pieces piece has drilled hole other half used hole just right size accept piece wire like comes Goldberg control horn nylon snap links Bend wire sharp 900 angle after making hole aileron glue Robart hinge half-point hole other end wire hooked 60 bellcrank wing type bell34 Model Aviation Dummy scale antenna elastic metallic thread provides support tor not-so-neat receiver antenna Silver MonoKote strips simulate corrugated sections full-size airplane Sponsons fuel tanks real China Clipper clever way provide extra wing area eliminating need wing-tip floats Old mans face second window right FULL-SIZE PLANS AVAILABLE . SEE PAGE 178 IAA BALSA BULKREAGS FUSELAGE TOP VIEW ______________ BUDDER POST L FGHIJKSTRIP HINGES SPONSON OUTLINEI/B BALSA SHEET SIDESTRIAN LEI/A BALSA SHEET- - STOCKI/4 BBLSATAIL BLITLINES REEL NOTE LOCEPT FOR BALSA BLOCK PARTS THE ENTIRE VABALSABALSA BLOCKFUSELAGE IS COVERED WITS/4 BALSA LEADINGTAPERED STOCK co FORMERSI/KB PLYWOOD ELAGE SIDE VIEW ]r D DDD D /A BALSA BULKHEADS FH IDELASTIC THREAD SILVER OR METALLIC SCALE ANTENNA /4 PLYWOOD AND BRACING WIRES ENSINE BEARERSUPON WINO BOLD DOWNIG PT BOLTWINS SAUDLE F I/A BALSA SKEET GBALSA BLOCK LV------ROAM TAPE C SHAROWODOSTREAMLINED BLOCKBRASS CABINS DESIGNED S DRAWN BY BUD CHAPPELL IEBINE STRIP0 0 3 5 K ACING BY 30E DEMARCO CE KEEL SHEET OF 3ALL RIGHTS RESERVED crank installed according plans downward aileron substantially reduced epoxying underside center gives approximately 2O up-aileron providing much better turning characteris- wing section next plywood engine 2A 5A down eliminating tics bearers drilled match engine mountof down movement drag Cutting plywood engine plates ing holes glued plates Give December 1983 35 Left Copilot visible through right skylight Model has full cockpit instrumentation seats Seat belts control yokes etc Captain has left hand control wheel right hand elevator trim handle Right wing removed receiver switch comes view rudder elevator servos wiring engine aileron servos wing charging jack upper hull right side plugged nylon screw 0-ring gasket waterproofing Its important use glues impervious water building model seaplanes engine mount areas couple coats black paint seal wood against oil otherwise would later result softening plywood dry install en gines hook up gang throttle linkage Du-Bro swivel nylon ball-joint con nectors ideal fasten throttle arms carburetors used threaded rod connectors give proper amount adjustment needed have throttles open close exactly same time working servo wires bellcranks place throttle servo mounted balsa bottom wing covering just right wing center joint double-sided tape Hook up battery radio temporarily op erate servo make certain throttles work smoothly unison Dont cover up mechanisms until satisfied everything working per fectly departed usual practice using clunk tanks model simple rea son supposed aerobatic way prototype designed fly gently mostly straight-and-level acute angles its flight being takeoff landing Perfect Brand #12 tanks intended Control Line models fit quite well behind engine part back side leading edge trimmed away change required tanks slide piece 1/16-in brass tubing rear /S-in vent tube tank top provide fill tube vent tube tanks filled through 1/16-in modified tube hang 10-in length surgical tubing other tube prevent fuel leaking over top plane tank full Semi-circular bulkheads shaped slotted fit behind engines over throttle rods fuel tank covering material 1/64 plywood wing skin marketed Sig Mfg Co SPONSON CONSTRUC 1/4 BALSA SHEET POSITION -itIP1-- __ .---- SAROWOOD BLOCK LLGLUED BETWEEN III2 OOO SPARS IIIAl__ F_________ 2/4 444I IsPo~soI V WINS STRUT I I ATTACHMENT I LOCATIONS HALL SIDE LINE - I/C BALSA BIBS PLY SPARO VA A TOP KEEL LW BALSA SHEET /4 BALSA STA FBOTTOM REELSTA C /4 BALSA TOP KEEL 1/4 BALSA SHEET SEA MI/H BALSASTA N BOTTOM EEEL Install aileron Nyrods servo Again breadboard radio battery make certain ailerons work just right done leading edge covering 1/64 ply glued plywood wing saddle piece glued directly under center joint wing Glue hardwood blocks wing accept screws fastening wing struts structure immediately under center wing built later hull progresses can now move making engine cowls no big deal just three Fresca cans another kind spoiled fourth Fresca can trying cut Actually great deal care must taken convert little gems suitable cowls First wear gloves Second alu minum thin cans prefers tear try cut found best method cut out bottom sharp locking-blade jacknife can its original condition poke hole through side can up near top old sharp scissors begin cut around can shallow spiral pattern con tinuing until get close correct 36 Model AvlatiLn Bottom view wing pylon reveals tiny MonoKate rectangles balance point harnesses engine aileron servos Pylon sits wing cushion gasket cabin Front pylon typical plywood bulkhead hardwood dowels key hull bulkhead long nylon screw fastens rear unit hardwood block cabin rear FULL-SIZE PLANS AVAILABLE . SEE PAGE 178 BALSA I/A BALSA1/4 BALSA TOPBLOCK SHEETKEEL-PLEXIGLASS 4 BALSA WINSOW 1/64 PLY L1 BALSA. BLOCKL0. L3t2 1/4 BALSA SHEET COVER WITHNACELLE COVER I/HA PLOWOOS 1/4 BALSA- TA ABOTTOM KEEL 4 L-IL-2 B L3 AXESTA B1/4 BALSA I/H BALSA SHEETSHEETSEE TOP VIEW FOR T-~-I-{ BALSASHAPE BLOCKSTA C I/A PLY1/4 BALSA TOP KEEL 1/4 PLYWOOS1/4 BALSA --SPARSFORMER HOLES FOR1/4 BALSA 1/4 BALSA SHEET WINS ATTACH FORMEB I/H SOWELS tI CSOWELS-,I /3/H TRIANGLE STOCK 3/4 TRI STOCK ]ii II I/H BALSA SIXESI 1/4 BALSA RIBS I/A PLY INSET FOR WINS STRUT ATTACHMENTI I/A RALSA 1/4BALSAI/B BALSA-ROTTOM KEEL BALSA EETI/B BALSA SHEETSHEETSTA oSHEETSTA 0-I E STRIPS FROM 5TH KEEL STRIP FROMSTA ES TO STA B I/B 3/B STA S TO STA 0 SPRUCE 1/B S/H SPRUCE SHEET1/4 BALSA S/H TRIANGLETOP KEEL SOBI/A BALSA 1/4 STASTA KSHEET BASAI BA STA HGOESSTAHEE BA SA EE COWL SIA SOFT DRINK CANCOWL TOP ENGINECOWL VA PLYWOOD UPPER FIREWALL I/B PLYWOOS 7 WING SADDLE 0I23 45K HurrY ODEL AVIATION CHINA CLIPPER DESIGNED S DRAWN BY BUD CHAPPELL TRACING BY 30E DEMARCO ALL RIGHTS RESERVED length Most likely will spoil couple corresponding semi-circle bulkheadthe cowls some scrap alu before get hang it willwill have glued onto bottom theminum flaps can cut epoxied comeengine plates complete bulkhead forsimulated open position completed Left The h-in balsa hull keel has put together wing well toward completion Engine cowls made aluminum drink cans Cowl flaps made can material also epoxied place later Right World Engines servos mounted beside middle wing ribs double-sided-adhesive tape throttles connect servo via pushrods bellcranks No dihedral wing center section December 1983 37 cowls painted white Sig Plasti Namel Fasten cowls onto enginebearer plywood parts #0 X /s wood screws after have cut tops fit around cylinders made holes sides needle valve extensions way am using 6-4 three-bladed plastic props OS lOs boiling props silver Rit dye get double benefit coloring propellers relieving stresses might present manufacturing process Just case might think until too late sure putting model together combination waterproof glues still think Ambroid best all-purpose fasteners ever formulated use lot conjunction 5-mm epoxy great deal care must taken making certain products never within reach small children Stabilizer Another advantage using Goldberg Skylane wing kit mate rials stabilizer included shape area too far scale sections decided use also felt though stab/elevator outlines werent true scale increased size would helpful controlling model would go unnoticed people modifying tip shape elevators unit works out fine bull built keel bulkheads covered planked 1/64 ply wing skin fin assembly built integral part hull plans show Once keel outline glued together box madewhich will passenger compartment point must decide whether want simu late windows along sides hull want take extra time effort actually make windows chose latter After cutting out window openings / balsa sides sawed windows 1/16-in Plexiglas corners windows rounded rough sandpaper epoxied place edges window openings finished painted orange MonoKote strips added resemble curtains Construct sponson unit Glue position through cabin sides Finish floor adding sheet balsa front behind sponson thought would add nice touch use simulated passengers carved balsa Once decorated glued place near various windows tried carve different types people imagined might travelers period old man worried look middle-aged lady priest little girl oriental gentle man put seven people including two crew very famous dog just fun glue box assembly keel will no doubt think did box no way could faired nose tail shapes Thinking made some kind huge error checked rechecked calculations see would really come out correctly Happily can assure will Putting triangu lar formers under floor comes next fol lowed Formers L- 2 3 Continue rest formers out tail will see begins take prope shape Paint cockpit floor wall behind pilots black dope glue instrument panel pilot copilot found two Star Trek figures approximately 43/4 high toy store movable limbs Balsa seats painted tan made support Two narrow strips alu minum can stock seat belts figures painted white black trim resembling Pan Am uniforms China Clipper period Put stabilizer place glue se curely Also glue nose blocks place curing cockpit roof skylights should cut out installed 34 332 BASA RIBS A4 BALSA SHEET STABLIZER TIPSBALSAS32 12 BALS CAOISGVA GE TYPICAL STABILIZER RIB PINNES NYLON STRIP RINSES R-I 7 LR2 ___ STABELEV MASIC WIRE ELEVATOR JOINER I/B —WINI BALSA SPAR -I/H V2 BALSA SPAR BALSA SHEETSI ELEVATORSEEB KCROSS SECTION FOR TAPER -- --BALSA SASS ET S R-8 R-9 R- 10 R glass cockpit area 1/16-in Plexiglas Saw out sand fit Left Bottom view cabin box sponson under construction showing 3/64 ply wing skin Sig being glued T-pinned sponson structure Right same units sop half-ribs place Plywood hardwood box spar gives sponson much strength Triangular balsa pieces lengthwise provide much support top corners cabin box Construction shots Polaroid color prints 38 Model Aviation FULL-SIZE PLANS AVAILABLE. SEE PAGE 178 SOFT ORINKWINGVIEW ENGINE COWLFUSELAGE BFRONT fIiDDPLEXIGLASS GA SPURSTREAMLINES BRASS NOOWS TUBING WING STRUTS SPONSOR SEE 77 SHEET 3 FOR CONSTRUCTION ~rr-c R-4-zF CHINE STRIPS REEL STRIP R-5-R6 ~~97z ALL RIBS ARE 3/32 BALSA SOFT SHINE CAN COWLINUS I/H PLY ENUINE BEAREREPOSY BASE PLATES ENUINE BOLT LOCATIONS OS MAX 10 I/H PLYWOOSR-7-xiiiTJj ENGINE BEARER -I- \/ VIA BRASS TUBE SOLSER INSISE VENTBELLCRANR PLATFORMS IA PLYWSSD3/B SO BALSA WINS SPBRS TOP B BOTTOM B 9B 10B II- &I= N IRILI R-2 R3IIR*BIRSR6I P -TO THROTTLEI/H PLY BASEID AILERON SERVOPLATES PUSHNOGS WING PLAN RIGHT SIDE 1/2 EAR BALSA SPAR -ORIGINAL LSTHEUTENS WING 71/H IF MALE HALF OF HOBART HINGE POINT MOVE AILERON OUTBOARO AS SHOWN I/lB BALSANO DIHEDRAL ON INBOARD SECTIONI 3/H GIHESRAL AT WING TIPREMOVE TRIG UECTION WINS SHEETING TING HEREOF BELLCRANE TO ACHIEVE ALTERNATE TO AS BELLCRANK METHOD 5 SN 15 UP CHINA CLIPPER R-13R 14DESIGNED B DRAWN BY BUD CHAPPELL O23U 5UTRACING BY JOE DEMARCO AHEFT 3 OF 3 RIGHTS REBEUNEB MODEL AVIATION epoxy place Care required Start center section windhandling pieces avoid smearing shield helps support cockpit excess glue onto surface Plexiglas roof add right left sections result efforts will very realistic looking windows also both very strong waterproof Left First impression cabin appears much too wide its glued keel Right Ply wing skin material being applied hull T-pins permit easy twist pull removal glue has dried hull very strong has completed December 1983 39 ANUS I/H PLY FIREWALL PERFECT NO 12 FUEL TANK i1 R-I2 sure install Nyrods through rear ol hull passenger/servo compartment back formers able hook up rudder elevator after hull covered Some modelers seem have difficulty understanding apply plywood wing skin material will offer few tips First must tempted try use large pieces covering Most areas hull have double compound curve charac teristic causes buckling rippling large pieces wont lay flat Cut section somewhat larger portion hull going cover lay against bulkheads pencil mark bulkhead edges seem begin trim piece size taking off little time have good fit ready glue pin place make sure have allowed next piece share same bulkhead gluing surface other words joints between pieces wing skin must come center bulk head Incidentally sides passenger box dont need covered wing skin As hull work progresses tail cone blocks glued elevator rudder control horns should made elevator horn simply Control Line type split-elevator arrangement horn moved straight-ahead posi tion horn joint should brazed onto elevator wire prevent failure due stress Silver solder might strong enough though prefer brazing Bend wire tiller rudder epoxy place will have check clearance rudder nylon clevis care fully relation outside tail covering sure before area closed will no binding major drawback hidden control horns built completely preventing future adjustments corrections Consequently have precise initial hookup provide control sur face freedom proper travel oneshot deal good side lack protruding horns rods very pleasant eye enhancing appearance same order going rubberbands nylon screws wing hold-downs wing pylon unit should finished fitted top hull dowels front pylon unit very impor tant fit pylon/gasket/hull ar rangement wing screw back must exactly aligned hardwood block rear passenger com partment Use strong cement parts carry high stress loads Before covering plane white Super MonoKote install hook up test servos rudder elevator making necessary adjustments control surfaces varying servo placement and/ adjusting pushrods course bottom hull done black center wing area done orange like curtains IThe orange panel meant helpful searchers being highly visible event plane down sea Fortunately makes plane colorful model letterine cut black MonoKote ironed quite chore worth Use #11 X-Acto knife lead pencil soft eraser hold down small letters being cut fingers will eternally grateful As case letters bow cut /4-in strip couple inches long chop off several 3/16-in rectangles Cut letters rectangles will quite uniform After some practice may never go back painting numbers using decals again Additional hints cutting piece pine board hard wood strip protective backing Super MonoKote after cut strips mentioned above anti-glare effect top nose achieved sanding black MonoKote #600-grit sandpaper just enough kill shine wing walks sponsons can done same way order simulate corrugated sections some parts hull used strips silver Super MonoKote cut / x 12-in strands found trying cut longer strips much difficult strips ironed Tack down 40 Model Aviation Small pieces wing skin used cover ing nose hull Author prefers Am broid gluing ply wing skin model beginning look exciting point though good amount work still needs done front hull hull farmers 1A-in balsa sheet cockpit nearly complete pic Receiver battery goes under cockpit Continued page 136 China Clippers designer-builder authorl Bud Chappell poses camera Bud started building models age six Fifty years later calls ultimate achievement 115 SCALE W Golden Era biplanes will come alive smooth flying easy building flying machine Its big enough catch attention yet small enough use everyday glow engine 2657 N E 188th Street Miam Rlcrroa 33180 Telepeone 935-1436 KIT FEATURES Machined die cut balsa select plywood hardwoods Hardware package Pre-bent landing gear cabine wire Vacuum formed ABS cowl aleleron caps gas cover Mylar decals Full size plans instruction book including isometric drawings SPECIFICATIONS 1/5 Scale 72in Span Area 1530 sqin 4 channel Radio 61-12 Engine Weight 12 lbs Fuse 54 1/2 Fun/Winter Continued paqe 133 Bell XFL-l Airacobra tail-dragger carrier use Nice long-winged Messerschmitt Bf 1091-2a carrier-based fighter Some few wild things mixed vintages over whelming book worth look-see want good documentation plane isnt duplicated zillion other guys coupla guys stuff see big FAC Newsletter Maybe like little rubber-powered things Dave Diels sent slew cute plans urges build couple Diels PO Box 101 Woodville OH 43489 started five plans three years ago over 30 last January 1 oh expecting expand printwood molded canopies popular subjects theres David Aronstein 50 Pasture Lane Poughkeepsie NY 12603 see 28 illustrated subjects plan listing mad variety ultralights racers originals various scales Real cute flukies like 8-in Beercat 12-in Mini-Twinan old-style twin-pusher about Roland trimotor Peanut Drawings will seem rudimentary RC kit builders builders FF Rubber Scale get inspired basic lines SOS thermometer says 103 degrees Bill Winter 4426 Altura Ct Fairfax VA 22030 China Clipper/Chappell Continued oaoe 40 end strip iron heats up stretch little go effect corrugated panels quite good done way also used silver strips cover joint wing orange white come together makes decorating little neater wing struts just looks quite functional lend lot strength wing/hull joint Start four pieces streamlined brass tubing hobby shops metal display Squeeze ends bench vise flatten neatly drilling operation next front view plans determine approximate location vertical smaller struts intersect diago nals wrap piece masking tape around diagonals point Mark tape exact point intersection drill through tape struts 5/32-in bit Use 1/16-in drill make starter hole After drilling larger hole strut remove tape sand off rough edges Cut length /e-in pieces brass round tubing bend according plan Solder together intersection making nice smooth filled joints Cut general fit sections small hardwood dowel go between spon son under surface wing will find round brass tubing sockets dowels deep enough permit dowels slid up down allow good fit against wing sponson struts finished remove paint two coats silver dope Other finishing details include various wires visible Make small hooks common pins heads re moved press locations shown wifes favorite fabric store purchase some elastic silver metallic thread After tieing knot end thread trimming off excess loop thread hook hook little practice will find can rig whole section single piecesuch piece under side stabilizer air vents over some passenger windows small blocks MonoKote-covered balsa epoxied place pilot tube top cockpit different appearance built A-in tubing dowel Z-bent wire glued top Pan Am logo can placed two different places According photos have collected 1935 136 Model Aviation Builders Get f Better Start Season Using KIN-CRAFT Quality Line Polyester Resins Micro-Balloon Air-O-FilI Gloves Protective Fiberglass Cloth & Tapes 1/a z Cloth 1 4 & 6 Tapes Custom Cut Cloth Any Length Sandable Primers Thinner Accessories also Dust Masks Gator Grip Contact Cement Applicator Kits Engine Cleaner Oil KitsNIN Send self-addressed stamped envelope free catalogue discounts Kin-Craft Mfg Ri 2 Box 481E Ashland KY 41101 Dealer Distributor Inquiries Invited 928-4763NuN Quarter Scale Davis Dl k REALISTIC FLIGHT SPEEDS RESPONSIVE CONTROLS EXCELLENT GROUND HANDLING Span 90 laae 63 1300 SQ Ifl ROLLau CLAN / uonaIruclIorl tfooklet s25 Plans Kinner Sportster Write.. DA CLASS C GIANT DESIGNS5CAEPI-ANS 35 Eec ManSDS Pheos New Y Phone35 8 logo appeared nose vicinity planes name pictures made 1936 some unexplained reason logo shown pylon behind engineers window various small windows hull duplicated black MonoKote Pre-flight little difficulty experi enced getting ideal balance point CG model completed turned out tail-heavy couldnt move radio equipment forward thing left add nose weight way thinking last resort try earn estly achieve proper balance other way adding weight instance no choice first step put small pieces black MonoKote under wing alongside pylon exactly desired balance point enabled locate feel precise point place two index fingers order lift model next thing cut top nose block off glare-panel line about 1 /2 back Re move front section carefully can used again start drilling /4-in Continued page 140 71 - $ K- 7$i K,, , 4 7Km- 55Zf'it5 modellVs mi trenor GIANT R/C SCALE PLANS f7TRTISS R-6 37 SPAtE 52195 AERONCA C3 i icd spu LEAR FAN 1 172 SPAtE 521 CO S19O VOGEL AVIATION DEPT M BOX 54 RESEDA CA 9135 PEPPERMINT PATTIE60 Performs entire AMA Pattern PAE ability Will put tou FBREGLASS PUSk tailpOSt & wleg IdIots So FLITEGLAS MODELSSee dealer ordey direct WINGASTABILIZER FOAM C rR4 Plo BOBBling MASTER KIT AILERONS ELEVATOR & B rough sanded shwPeDroision BAA/RICH SALES CO BASIC HARDWARE- hinges cileron OOeneOtOtS2 FAIRWAY torque rods cIwoises aed tyrweded rodsHANNIBAL MO N34St Sf4 2at-ASyS WINGSPAN- AR AREA-BBS Bgihn ENGINE- ASa WEIGHT 75 Bibs FLY THE BEST December 1983 137 ALL SHEET ONE PIECE AAA GRADE KILN DRIED SANDED TO CLOSE TOLERANCES PED 100% 36Light 4-6lb38118x3453/l6sq17318x 11/2 331/16x3491116x4481/4sq26112x2 403/32 x 3563/32 x 4561/4 x 3/830 431/8 x 367 1/8 x 466 3/8 sq.37 493/16 x 37648 Sticks 561/4x385Add4O0/o 318x3115 37112x3139 44 54Sheets 48 62 73 No Need Make Christmas List Just Use Ad Tote Bag 0 UNIQUE CHRISTMAS GIFT IDEAS Tire Covers Tote Rags Hats end quality line sportswear Designs just come aviation designs available top quality line sportswear designs direct printno heat transfer Three color 8-25 er Cub. Gee Bee. P40 Warhawks ker D VII 8. Christen EaIe. Pltts Speia1. Citabria P47 Thunderbolt arman Curtis Jenny. Corsair. Coaches ShirtS 1295T-ShirtS605 Ladies TopS550Long Sleeve TS755 ShortsS595Bssebeil$S95 Lined JecketS2195FootbailSS95 Tote Bag579SSwestshirt$95O Tire Cover51495Hooded SweetSi495 HetS595 Wide choice colors sizes Send $100 new Illustrated Brochure Name Address CityStateZip DesignSize Color now accept MasterCard & Visa TO ORDER Send check money order Shipping $115 add Si 50 Over $15 add 10% Maryland residents add 5% taxI Phase Art Hwy 382 Box 123L Waldorph MD 20601 301 843-3060 China Clipper/Chappell Continued page 137 holes nose block angle toward back will accept 16-penny nails heads removed Keep adding nails until get perfect balance feel just little nose-down exactly level took total 2/2 oz job bad really bugs have haul around non-contributing weight decorating finished flight pack batteries have charged start adjust engine individually proper power needle settings models nose tilted upward 300 Get idle setting reliable too prevent too-fast approach landing Sullivan starter notches cut rubber insert match three-bladed props makes starting very easy friend handling battery glow plug duties start outboard port engine first Continue down line one-third throttle setting seems about right Once engines running test re sponse power likeness fore warnedthose four ake powerful racket Check control functions engines running sure work ing reliably certaindont risk model found aileron servo nasty chatter tested way cut new wing open replace hated think very obvious what might have happened otherwise Flying first taxi tests conducted 1981 Brimfield Massachusetts Fall Hydro Contest Due very high winds event put off until late day hopes winds would calm down did slack off somewhat though much would have liked Quite few people waited day long hoping see first flight China Clipper decision made give go engines fired up nicely radio tested okay faithful wife friend helper Lois pointed nose wind ran lOs up full power signal Lois released plane moved out quickly wind making water much too roughit like trying take off full-scale plane heavy seas waves caused model pitch violently hard gain speed also became apparent far less rudder control hoped keeping nose wind difficult Eventually plane got up step beginning take longer bounces between wave tops just about completely airborne began get too far off course left heading tree-lined shore Everyone cheering CD Don Fos ter yelling got ityou got wasnt pleased prospect starting immediate right turn new untested plane time already too far away decided another attempt would lot better cut power model settled back water tried turning around taxi back found wind uncooperative sponsons marginal plane turned crosswind wing tip tilted lee side water allowed outboard engine con tact rough waves conked out An attempt turning other way yielded same result finally managed sail China Clipper back beach its own power avoid humiliation being towed Several times tried get going right direction direc tional control needed little daylight under hull could hardly called flight Back workshop first modi fication 3/ X /4-in spruce keel matching chine strips epoxied place Luckily doped black hardly noticeable detract scale appearance No further attempts made during 1981 fly plane time Brimfield Spring Meet came around des perate find out whether created flying machine hangar queen May 22 1982 time find out Armed picnic baskets filled goodies old Chevy wagon filled airplanes flight boxes grandchildren other loyal sympathetic family mem bers descenced upon Brimfield weather conditions once good better forecast Hoping get test flights begun before conditions changed hurried get water radio checked engines run indi vidually together shut down order top off tanks engines screaming China Clipper released soon obvious building up enough speed get onto step going problem As takeoff run distance used up throt tles slowed plane taxied back Another attempt tried same result taxied back again next try throttles opened maxi mum got up step little back pressure elevator tried too soon 140 Model Aviation AMA Clubs Giant Scalers Save 30%Order Direct Buckeye Balsa suppiies AAA quality balsa certified aircraft plywood fine kits Aero Composites Double C Mfg. Fliteglas Models Fourmost Products Kitty Hawk Models Dave Platt Precision Built Models RIC Kits Mfg. VK Modda Bob Dively Modd Aircraft 8 hobby shops Send $1 catalog Price applied first order Minimum Net Order $50 No shipping COD charges 216 533 3607 P0 Box 174 Canfield OH 44406 SILICONE 10 foot coils TUBING SIZESMALL MEDIUM LARGE LilA.062/156092/187125/250 $/COIL$235$265$325 US POSTAGE & HANDLINGsmall 37/Coil med 37/Coil large oil gasoline LARRY DODGE AEROINC 10210 MANNING AVENUE N STILLWATER MN 55082 IEGAIN Losing control can night mare wrong response given command can take its toll model nerves wallet Radio South know feel about hobby too avid RC enthusiasts nearly half century combined experience C NTR Pt modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical inhouse radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control Authorized sales & ser JR PROPO radio io Line • equipment imported Futaba K______ Circus Hobbies 80 E Burgess Road FL 32503904/478-6745 plane lifted port wing too high right tip dug water cartwheeled around right great deal spray killing three engines As plane made tight circles water engine idling modeler landed crashed starboard wing immedi ately became quite irritable chase boat retrieved plane re trieved composure began assess problems First keel chine strips cured steering problem Second six inches wing tip rebuild Third appeared suction hull sponsons going difficult overcome gluing remaining pieces together discussed advantages using wax wetted areas different elevator techniques Some sections wing tip mtss ing too badly crushed re-use trusty old flight box called upon yield necessary scraps re-form tip aileron No MonoKote available old substitute employedScotch Brand Magic Transparent Mending Tape makes great waterproof skin quite fuelresistant too everything epoxied back together model declared airworthy still worried about lack speed water occurred three bladed prop could problem Sometimes two-bladed prop will let engine turn better produce power decided would worth try installed four Top Flite wood 7-6 props ran engines reset carburetors headed waters edge once engines full power area really cleared Lois released tail approximately 50 ft model air surprised lagging several seconds behind needed control response Sensing predicament calm reassuring voice left elbow began coaching Bring up left winga little nose downnow keep right turn no 300 bankdont let tighten up turn wants etc sudden realized China Clipper flying People cheering jumping hugging plane flew beautifully time altitude trim sttcks transmitter take pres sure off cramping fingers flew Very docile very smooth very majestic voice came again Fly right down waternow ease off some power hold off now cut powerlet settleyou got landing super smooth As taxied feeling pure elation sure flight wasnt fluke China Clipper immediately refueled flew again better results second takeoff picture book whole flight superb really flies mysterious voice helped much turned out belong Mr Len Bell now get pure unarranged coin cidence turns out Pan Am pilots 14000 hr actually flew China Clipper sister ships regu lar run Miami Leopoldville Africa Pacific got too hot pas senger flights isnt books dont know what Needless say spent lot time discussing similarities differ ences model compared real thing Mr Bells caution about model tucking under reference left turn right turns plane grooved way around no tendency turn tighten go left turn became established conscious effort made apply little opposite control prevent angle bank increasing agreed difference turns probably due collective torque four engines rotating same di rection rudder trim transmitter bore out theory After first flight rudder setting roughly 50 right trim required keep plane flying straight ahead Mr Bell suggested reducing prop pitch #4 engine outboard starboard side would likely help situation possibly #3 should changed well told us real clippers pitches props likely different settings due changes weight wing fuel tanks flight progressed load board trim requirements airplane model down-elevator has also necessary trim plane fly hands-off Summing up eventually realized model China Clipper easier fly trusty old PBY5 81/2 lb fueled weight 3 lb heavier Catalina PBY5 has no ailerons China Clipper has lot work formidable challenge finally great satisfaction think about moment exactly modeling should beContinued page 144 December 1983 141 Custom Built RC Model Airplanes Specializing SI-Planes Cell Write Prices BUZZARD AIRCRAFT 614 Ann St. Beaufort NC 28516 918 728-3891 SCALE DOCUMENTATION SCALE DRAWINGSPHOTOS BOOKLETS MODEL PLANS 1983 AIRPLANE CATALOG 2 60 AG REPLA TECH NTERNAT ONAI 500 MC KENZIE Hwy VOA OREGON 97499 RADIO EQUIPMENT EXCHANGE lox 561 Park Forest Illinois 60466 List used radio equip ment sale No fee listing Escrow available Send SASE details Manufacturers Super Fli 84S18995 92$19995 Zlin Z5OL 84S15995 92$18995 Beagle Pup 85 QuadraS18995 Softglas Filler Sealer Primer one$12SOIcan Fast Threads Brass inserts 4-406132 8132 /-20S098 Fast Tape Wing Sheeting 3x50$1095 1 x50$595 Mister 5 X 5 Casted Resin PilotS1295 Starter Kits Canopy cowl LG Plans kits Send $100 catalog China Clipper/Chappell Continued page 147 Happy flying China Clipper Material List ICarl Goldberg Skylane 62 wing kit 4Aluminum soft drink cans cowls 4OS 10 engines 27-4 Props starboard side 27-6 Props pon side 4~90o Belicranks throttles 3Vs-in Balsa sheet 3 x 36 8-in Balsa sheet 3 x 36 ISheet Plexiglas 1/16 x 6 x 8 4#12 Perfect brand Control Line fuel tanks 21/16-in Brass tubing x 12 IA-in Brass tubing x 12 4-A-in Streamline brass tubing 2Vs-in Hardwood dowel x 12 4Nyrod x 36 4Du-Bro ball socket fittings 4Sets 4-40 engine mounting bolts w/nuts 116-in Length medium silicone fuel tubing l/4-in Hardwood dowel x 12 -in Plywood sheet 12 x 24 13/16-in Plywood sheet 6 x 12 4Plywood wing skin 1/64 x 12 x 48 Sig Mfg Co ISpruce pc 36 1Balsa block 6 X 4 X 3 nose block Giant Taliwbeel Assembly Now three sizes spring steel tailwheels 4to9 Lbs$1295 lOtol8Lbs $1495 l9Lbs8UP $1595 2Balsa block x l/2 x lOin sponson tips 1Balsa block x 3 x 4 cockpit roof IPkg wing cushion tape lPkg servo mounting tape 29/16 x 11/16 x 7 Hardwood sponson main spar pieces 2~60o Belleranks aileron 2Robart hinge points medium size 1Split elevator horn Contml Line type modified INylon wing screw 2 2Music wire 1/16 x 36 2Rolls Super MonoKote white ARoll Super MonoRote silver Roll Super MonoRote orange Roll SuperMonoKote black ISpool elastic thread silver metallic MiscAdhesives crew figures cockpit detail materi als 4-Cb radio etc Radio Technique/Myers Continued Daae 43 999 ms ins iseconds 1/1000 second Ace RF Interface turns Datamaster display ON/OFF show widths transmitters control pulses taken directly off transmitters tenna no intervening receiver required Normally control pulses will meas AflENTION ERS ured some value between 069 200 milliseconds trims controls centered pulse value will normally l45ms Kraft 13lms certain older Futaba sets SOms practically everyone else rotary switch RF Interface will select particular pulse want study out two eight normally generated digital AM transmitters Lets say have four-channel set identify pulse widths wiggling sticks ob serving effect time switch position Lets say find following -Throttle1 54ms 2Elevator148 3Aileron154 4Rudder147 5?300 6Throttle again154 7Elevator again148 8Aileron again154 wiggle sticks see item 5 affected control Whats going point need some additional information similar knowing sun shone 2 hours previous example need know control pulses sent out strings repeat length typical string about 2Oms also need know typical pause between control pulses 025ms So lets work out numbers transmitter Neutral pulse 4 @ lSms Spaces 4 @ 025 ins s Total7Oins Subtract time used 7Oms string time 20Oms get 13Oms Since Datamaster can read maximum 999ms shows whats left over 3Oms now un derstand 30 reading comes Since frame time time complete string pulses usually fixed about 2Oins Reset pulse thats left over must change time control pulses changeand does RF Interface keys Reset pulse set up distribution num bered switch positions its logical fifth position will Reset six seven eight repeats Transmitters other numbers channels will get cor FrOm~jen Ag Aviation TI4 FAIRCadCOI 34 ChKit #107 $3995 Far 099 15 Engines 48 Wingspan Dealer ributor Inquiries Please aend 5Ot Phene 753 273-9593for Flyline Catalog Flyline Models Inc PO Box 2136 Fairfax virginia 22031 USA 144 Model Aviation PIPER Vagabond PA 17 Wingspan 84 Flying Weight 10 lbs Engine 60 to 91 Wing Design Foamone piece Fuselage Built up balsa semimonocoque con struction$15995 Kit also includes fiberglass cowl heavy duty landing gear 040 thick windows Easyandfesttebuild * Adelighttefly Expert er Beginner OHIO SUPERSTAR PRODUCTS INC CheroKee Dr North Canton Ohio 44720Phone 216 494-8189 IGLIIZ TIllS PROFILECOM8A RA T WIDE & NARROW WEDGE 75 -- 6 oz Capacities 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NO OCR TEXT NO OCR TEXT Left Close-up nose shows captain copilot PAA summer uniforms Note unusual pitot tube design Radio pull-on switch just below Pan Am logo Right control horns internal Tail surfaces have generous area Silver metallic thread used rigging Left Round 1/8-in brass tubing soldered middle streamlined brass tubing diagonal struts provides sockets 1/Bin dowel vertical struts doped silver Right Windows cut 1/16-in Plexiglas corners sanded round Bumps above row windows simulate air vents Lettering cut black Super MonoKote per method described text may never paint lettering again Left Author now uses 7-4 props starboard side 7-6 port Authentic-looking three-blade 6-4 props tried first didnt give enough takeoff thrust Right Wing detailing includes landing light registration number static vent tube hardwood toothpick Ailerons mounted MonoKote hinges top Internal control horns give super-clean scalelike appearance photos author China Clipper NC 14716 nicknamed Sweet Sixteen pilots subject presented modeling pleasure easy model build fly type model person would build hack around sky Saturday after noon love build classics want have plane will impress crowd model excellent choice think may first RC Sport Scale presentation China Clipper long time has lot interest building flying other four-engined models such B-17 B-24 Lancasters am aware previ ous attempt model plane should mystery Smithsonian Institution WaslnWfn DC has 24-in solid display model plane disappointed rather poor repre sentation magnificent machine say jokingly complete model drawn shown will own copy surpasses Smithsonian quality would recommend builder experienced both building flying multi-engined RC aircraft before tackling project definitely plane novice construction methods straightforward conventional ac curacy very careful attention detail musts plans specifications must followed improvisation successful total weight balance point have right make changes modifications chances coming out good-flying machine seriously lessened models flying characteristics demand lot experience part pilot Just flying full-scale aircraft person must work up simple single-engine planes complex multi-engine heavies fly differently Multiengine model fliers will usually agree planes type challenging say least model its 74-in wingspan four 05 10 engines 8 lb total weight classified just opposite heavy realize fact seems contradict what said preceding paragraph weight wing loading works out ap 32 Model Aviation CHUCK WOOD bvI-1ankCLrk 0 S MAX 10 ENGIJES ON V4PLYMOUN1S AILERON SERVO ROD LITTLE WINDY ENGINE BELICRANK 4 ON 1/8 PLYWOOD ye PLYV4O C/S PLATFORM / NYLON HOLD DOWN SCREW 1/16 SHEET BOTFOMI CENTER RIBSIBALSA IBLOCK FAIRING 1/4 BALSA FIN FRAMING SNAP LINK 1/4 SHEET DOUBLERS FOR THICKNESS AT ROOT 1/4 BALSA TOP KEEL 1/64 BODY IN 9 I/4X 3/8 RUDDER LE II II I 1/8 SHEET RUDDER MUSIC WIRE ELEVATOR JOINER I/4X 1/2 BALSA SPAR 1/2 BALSA ELEVATOR TAPERED 1/64 SKIN ON FIN ONLY SE RODS TO RUDCER-ELEV 1SHEET SODA CAN COWLS 1/4 DOWEL HOLD DCYNNS -1 BALSA BLOCKS D 1/4 PLYWOOD 1/4 BALSA BODY FORMERS / 1/4 BALSA BOTTOM KEEL FORM NOSE TO TAIL I/B PLYWOOD REAR SPAR JOINERS FRONTAND BACK I/4X 1/2 REAR AILERON SPAR 1/16 TE SHEETING TOPAND BOlTOM AILERON BELLCRANK MOUNTS ON 1/16 PLY PLATFORM SPLASH RAIL RUDDER ELEVATOR SERVO POSITIONS I/64BOTTOM SKIN FLOOR SPARS / THRU SPONSONS 1/4 RIBStNSPONscJ STEP 1/8 PLY SPAR WEB FRONT-BACK CAN BE LONGER SCUD BLOCK FOR TIPASFUAT 1/4 BALSA SPONSON CORE I/16BALSA RIBS A TIP 7j I/SHEET LEDGE SHEET TOP/BOTI K 3/B SPARS TOP AND BOTrOM 1/2 FORMED L EDGE NOTCH FOR RIBS I/4BALSA CABIN SIDES 1/64 SKIN TOP BOTTOM SPONSONS THEY TELL ME YOU NO EXCUSE HEY-CASABLANcA DOUSPRATIt IT GRABS ME JUST F9JE OF COURSE DIDNT MAKE THE HAD LOTBA TRINIDAD FAR OUTF IDEA-THNKS VU BUT IF HAD ANY CLOU7 ID SETTHE AMA NATS HANKY WHAT LAKE VISITORS BUT WAS N MASS THE GREATEST 5YNDICATE THIS STRIP N THE NEWS POOR EXCUSE YOU AND NEWS ART ON POSTERS -TO SINCE LINDBE4GH THEN COULD REALLY CUT LOOSE ALLTHE AMA.-HAVE HEART WrTH TYPES TH9JK SO-MY HEART BUCKO THEM RANT MUCH EXCITEMENT SURFER77 BALSA BLOCKS 1/4 SHEET NOSE FORMS L- 23 1/4 BALSA KEEL FORM proximately 23 oz Thats lighter numbers Scale model greatly enhances flying ability have read thus far still determined try lets get started wing its four engines place decided begin As studied old pictures collected looked through reference books could get hands realized shape wing seemed somewhat famil iar After came general shape airfoil close wing Carl Goldberg Skylane 62 1 obtained wing kits available through hobby suppliers found much work partially done wel come aid wing should constructed wing kit instructions show up point leading edge covering put difference begins very fine-toothed saw such Zona Saw another hobby shop item cut assembled wing exactly half done enable builder make center constant-chord section flat no dihedral two sections pinned flat board plywood joiners installed cut ting away sections ribs joiners epoxied spars leading trailing edges Apply epoxy liberally center joint must very strong place taper starts Rib #7 saw carefully nearly through structure outboard side rib Leave about 1/16 uncut across bottom wing trimming little go tapered outer sections can raised proper amount SHEET LRBALSAA KEEL WINS HOLD DOWN DOWELS D 02 NAILS FOR BALLAST FORMERS RADIO SWITCH LOCATION A-PcL 1//7 DOWEL m dihedral joiners placed #7 rib joint Now move ailerons out original positions make ribs spar parts extend length outer panels tips shaped block stock trailing edge requires length ening meet aileron ailerons now covered Super MonoKote white fastened wing using MonoKote strips hinges strong smooth air tight seal aileron joint made way like hide control horns much possible contributing scale effect larger-sized Robart hinge points work well small jewelers-size screw driver separate hinge point two pieces piece has drilled hole other half used hole just right size accept piece wire like comes Goldberg control horn nylon snap links Bend wire sharp 900 angle after making hole aileron glue Robart hinge half-point hole other end wire hooked 60 bellcrank wing type bell34 Model Aviation Dummy scale antenna elastic metallic thread provides support tor not-so-neat receiver antenna Silver MonoKote strips simulate corrugated sections full-size airplane Sponsons fuel tanks real China Clipper clever way provide extra wing area eliminating need wing-tip floats Old mans face second window right FULL-SIZE PLANS AVAILABLE . SEE PAGE 178 IAA BALSA BULKREAGS FUSELAGE TOP VIEW ______________ BUDDER POST L FGHIJKSTRIP HINGES SPONSON OUTLINEI/B BALSA SHEET SIDESTRIAN LEI/A BALSA SHEET- - STOCKI/4 BBLSATAIL BLITLINES REEL NOTE LOCEPT FOR BALSA BLOCK PARTS THE ENTIRE VABALSABALSA BLOCKFUSELAGE IS COVERED WITS/4 BALSA LEADINGTAPERED STOCK co FORMERSI/KB PLYWOOD ELAGE SIDE VIEW ]r D DDD D /A BALSA BULKHEADS FH IDELASTIC THREAD SILVER OR METALLIC SCALE ANTENNA /4 PLYWOOD AND BRACING WIRES ENSINE BEARERSUPON WINO BOLD DOWNIG PT BOLTWINS SAUDLE F I/A BALSA SKEET GBALSA BLOCK LV------ROAM TAPE C SHAROWODOSTREAMLINED BLOCKBRASS CABINS DESIGNED S DRAWN BY BUD CHAPPELL IEBINE STRIP0 0 3 5 K ACING BY 30E DEMARCO CE KEEL SHEET OF 3ALL RIGHTS RESERVED crank installed according plans downward aileron substantially reduced epoxying underside center gives approximately 2O up-aileron providing much better turning characteris- wing section next plywood engine 2A 5A down eliminating tics bearers drilled match engine mountof down movement drag Cutting plywood engine plates ing holes glued plates Give December 1983 35 Left Copilot visible through right skylight Model has full cockpit instrumentation seats Seat belts control yokes etc Captain has left hand control wheel right hand elevator trim handle Right wing removed receiver switch comes view rudder elevator servos wiring engine aileron servos wing charging jack upper hull right side plugged nylon screw 0-ring gasket waterproofing Its important use glues impervious water building model seaplanes engine mount areas couple coats black paint seal wood against oil otherwise would later result softening plywood dry install en gines hook up gang throttle linkage Du-Bro swivel nylon ball-joint con nectors ideal fasten throttle arms carburetors used threaded rod connectors give proper amount adjustment needed have throttles open close exactly same time working servo wires bellcranks place throttle servo mounted balsa bottom wing covering just right wing center joint double-sided tape Hook up battery radio temporarily op erate servo make certain throttles work smoothly unison Dont cover up mechanisms until satisfied everything working per fectly departed usual practice using clunk tanks model simple rea son supposed aerobatic way prototype designed fly gently mostly straight-and-level acute angles its flight being takeoff landing Perfect Brand #12 tanks intended Control Line models fit quite well behind engine part back side leading edge trimmed away change required tanks slide piece 1/16-in brass tubing rear /S-in vent tube tank top provide fill tube vent tube tanks filled through 1/16-in modified tube hang 10-in length surgical tubing other tube prevent fuel leaking over top plane tank full Semi-circular bulkheads shaped slotted fit behind engines over throttle rods fuel tank covering material 1/64 plywood wing skin marketed Sig Mfg Co SPONSON CONSTRUC 1/4 BALSA SHEET POSITION -itIP1-- __ .---- SAROWOOD BLOCK LLGLUED BETWEEN III2 OOO SPARS IIIAl__ F_________ 2/4 444I IsPo~soI V WINS STRUT I I ATTACHMENT I LOCATIONS HALL SIDE LINE - I/C BALSA BIBS PLY SPARO VA A TOP KEEL LW BALSA SHEET /4 BALSA STA FBOTTOM REELSTA C /4 BALSA TOP KEEL 1/4 BALSA SHEET SEA MI/H BALSASTA N BOTTOM EEEL Install aileron Nyrods servo Again breadboard radio battery make certain ailerons work just right done leading edge covering 1/64 ply glued plywood wing saddle piece glued directly under center joint wing Glue hardwood blocks wing accept screws fastening wing struts structure immediately under center wing built later hull progresses can now move making engine cowls no big deal just three Fresca cans another kind spoiled fourth Fresca can trying cut Actually great deal care must taken convert little gems suitable cowls First wear gloves Second alu minum thin cans prefers tear try cut found best method cut out bottom sharp locking-blade jacknife can its original condition poke hole through side can up near top old sharp scissors begin cut around can shallow spiral pattern con tinuing until get close correct 36 Model AvlatiLn Bottom view wing pylon reveals tiny MonoKate rectangles balance point harnesses engine aileron servos Pylon sits wing cushion gasket cabin Front pylon typical plywood bulkhead hardwood dowels key hull bulkhead long nylon screw fastens rear unit hardwood block cabin rear FULL-SIZE PLANS AVAILABLE . SEE PAGE 178 BALSA I/A BALSA1/4 BALSA TOPBLOCK SHEETKEEL-PLEXIGLASS 4 BALSA WINSOW 1/64 PLY L1 BALSA. BLOCKL0. L3t2 1/4 BALSA SHEET COVER WITHNACELLE COVER I/HA PLOWOOS 1/4 BALSA- TA ABOTTOM KEEL 4 L-IL-2 B L3 AXESTA B1/4 BALSA I/H BALSA SHEETSHEETSEE TOP VIEW FOR T-~-I-{ BALSASHAPE BLOCKSTA C I/A PLY1/4 BALSA TOP KEEL 1/4 PLYWOOS1/4 BALSA --SPARSFORMER HOLES FOR1/4 BALSA 1/4 BALSA SHEET WINS ATTACH FORMEB I/H SOWELS tI CSOWELS-,I /3/H TRIANGLE STOCK 3/4 TRI STOCK ]ii II I/H BALSA SIXESI 1/4 BALSA RIBS I/A PLY INSET FOR WINS STRUT ATTACHMENTI I/A RALSA 1/4BALSAI/B BALSA-ROTTOM KEEL BALSA EETI/B BALSA SHEETSHEETSTA oSHEETSTA 0-I E STRIPS FROM 5TH KEEL STRIP FROMSTA ES TO STA B I/B 3/B STA S TO STA 0 SPRUCE 1/B S/H SPRUCE SHEET1/4 BALSA S/H TRIANGLETOP KEEL SOBI/A BALSA 1/4 STASTA KSHEET BASAI BA STA HGOESSTAHEE BA SA EE COWL SIA SOFT DRINK CANCOWL TOP ENGINECOWL VA PLYWOOD UPPER FIREWALL I/B PLYWOOS 7 WING SADDLE 0I23 45K HurrY ODEL AVIATION CHINA CLIPPER DESIGNED S DRAWN BY BUD CHAPPELL TRACING BY 30E DEMARCO ALL RIGHTS RESERVED length Most likely will spoil couple corresponding semi-circle bulkheadthe cowls some scrap alu before get hang it willwill have glued onto bottom theminum flaps can cut epoxied comeengine plates complete bulkhead forsimulated open position completed Left The h-in balsa hull keel has put together wing well toward completion Engine cowls made aluminum drink cans Cowl flaps made can material also epoxied place later Right World Engines servos mounted beside middle wing ribs double-sided-adhesive tape throttles connect servo via pushrods bellcranks No dihedral wing center section December 1983 37 cowls painted white Sig Plasti Namel Fasten cowls onto enginebearer plywood parts #0 X /s wood screws after have cut tops fit around cylinders made holes sides needle valve extensions way am using 6-4 three-bladed plastic props OS lOs boiling props silver Rit dye get double benefit coloring propellers relieving stresses might present manufacturing process Just case might think until too late sure putting model together combination waterproof glues still think Ambroid best all-purpose fasteners ever formulated use lot conjunction 5-mm epoxy great deal care must taken making certain products never within reach small children Stabilizer Another advantage using Goldberg Skylane wing kit mate rials stabilizer included shape area too far scale sections decided use also felt though stab/elevator outlines werent true scale increased size would helpful controlling model would go unnoticed people modifying tip shape elevators unit works out fine bull built keel bulkheads covered planked 1/64 ply wing skin fin assembly built integral part hull plans show Once keel outline glued together box madewhich will passenger compartment point must decide whether want simu late windows along sides hull want take extra time effort actually make windows chose latter After cutting out window openings / balsa sides sawed windows 1/16-in Plexiglas corners windows rounded rough sandpaper epoxied place edges window openings finished painted orange MonoKote strips added resemble curtains Construct sponson unit Glue position through cabin sides Finish floor adding sheet balsa front behind sponson thought would add nice touch use simulated passengers carved balsa Once decorated glued place near various windows tried carve different types people imagined might travelers period old man worried look middle-aged lady priest little girl oriental gentle man put seven people including two crew very famous dog just fun glue box assembly keel will no doubt think did box no way could faired nose tail shapes Thinking made some kind huge error checked rechecked calculations see would really come out correctly Happily can assure will Putting triangu lar formers under floor comes next fol lowed Formers L- 2 3 Continue rest formers out tail will see begins take prope shape Paint cockpit floor wall behind pilots black dope glue instrument panel pilot copilot found two Star Trek figures approximately 43/4 high toy store movable limbs Balsa seats painted tan made support Two narrow strips alu minum can stock seat belts figures painted white black trim resembling Pan Am uniforms China Clipper period Put stabilizer place glue se curely Also glue nose blocks place curing cockpit roof skylights should cut out installed 34 332 BASA RIBS A4 BALSA SHEET STABLIZER TIPSBALSAS32 12 BALS CAOISGVA GE TYPICAL STABILIZER RIB PINNES NYLON STRIP RINSES R-I 7 LR2 ___ STABELEV MASIC WIRE ELEVATOR JOINER I/B —WINI BALSA SPAR -I/H V2 BALSA SPAR BALSA SHEETSI ELEVATORSEEB KCROSS SECTION FOR TAPER -- --BALSA SASS ET S R-8 R-9 R- 10 R glass cockpit area 1/16-in Plexiglas Saw out sand fit Left Bottom view cabin box sponson under construction showing 3/64 ply wing skin Sig being glued T-pinned sponson structure Right same units sop half-ribs place Plywood hardwood box spar gives sponson much strength Triangular balsa pieces lengthwise provide much support top corners cabin box Construction shots Polaroid color prints 38 Model Aviation FULL-SIZE PLANS AVAILABLE. SEE PAGE 178 SOFT ORINKWINGVIEW ENGINE COWLFUSELAGE BFRONT fIiDDPLEXIGLASS GA SPURSTREAMLINES BRASS NOOWS TUBING WING STRUTS SPONSOR SEE 77 SHEET 3 FOR CONSTRUCTION ~rr-c R-4-zF CHINE STRIPS REEL STRIP R-5-R6 ~~97z ALL RIBS ARE 3/32 BALSA SOFT SHINE CAN COWLINUS I/H PLY ENUINE BEAREREPOSY BASE PLATES ENUINE BOLT LOCATIONS OS MAX 10 I/H PLYWOOSR-7-xiiiTJj ENGINE BEARER -I- \/ VIA BRASS TUBE SOLSER INSISE VENTBELLCRANR PLATFORMS IA PLYWSSD3/B SO BALSA WINS SPBRS TOP B BOTTOM B 9B 10B II- &I= N IRILI R-2 R3IIR*BIRSR6I P -TO THROTTLEI/H PLY BASEID AILERON SERVOPLATES PUSHNOGS WING PLAN RIGHT SIDE 1/2 EAR BALSA SPAR -ORIGINAL LSTHEUTENS WING 71/H IF MALE HALF OF HOBART HINGE POINT MOVE AILERON OUTBOARO AS SHOWN I/lB BALSANO DIHEDRAL ON INBOARD SECTIONI 3/H GIHESRAL AT WING TIPREMOVE TRIG UECTION WINS SHEETING TING HEREOF BELLCRANE TO ACHIEVE ALTERNATE TO AS BELLCRANK METHOD 5 SN 15 UP CHINA CLIPPER R-13R 14DESIGNED B DRAWN BY BUD CHAPPELL O23U 5UTRACING BY JOE DEMARCO AHEFT 3 OF 3 RIGHTS REBEUNEB MODEL AVIATION epoxy place Care required Start center section windhandling pieces avoid smearing shield helps support cockpit excess glue onto surface Plexiglas roof add right left sections result efforts will very realistic looking windows also both very strong waterproof Left First impression cabin appears much too wide its glued keel Right Ply wing skin material being applied hull T-pins permit easy twist pull removal glue has dried hull very strong has completed December 1983 39 ANUS I/H PLY FIREWALL PERFECT NO 12 FUEL TANK i1 R-I2 sure install Nyrods through rear ol hull passenger/servo compartment back formers able hook up rudder elevator after hull covered Some modelers seem have difficulty understanding apply plywood wing skin material will offer few tips First must tempted try use large pieces covering Most areas hull have double compound curve charac teristic causes buckling rippling large pieces wont lay flat Cut section somewhat larger portion hull going cover lay against bulkheads pencil mark bulkhead edges seem begin trim piece size taking off little time have good fit ready glue pin place make sure have allowed next piece share same bulkhead gluing surface other words joints between pieces wing skin must come center bulk head Incidentally sides passenger box dont need covered wing skin As hull work progresses tail cone blocks glued elevator rudder control horns should made elevator horn simply Control Line type split-elevator arrangement horn moved straight-ahead posi tion horn joint should brazed onto elevator wire prevent failure due stress Silver solder might strong enough though prefer brazing Bend wire tiller rudder epoxy place will have check clearance rudder nylon clevis care fully relation outside tail covering sure before area closed will no binding major drawback hidden control horns built completely preventing future adjustments corrections Consequently have precise initial hookup provide control sur face freedom proper travel oneshot deal good side lack protruding horns rods very pleasant eye enhancing appearance same order going rubberbands nylon screws wing hold-downs wing pylon unit should finished fitted top hull dowels front pylon unit very impor tant fit pylon/gasket/hull ar rangement wing screw back must exactly aligned hardwood block rear passenger com partment Use strong cement parts carry high stress loads Before covering plane white Super MonoKote install hook up test servos rudder elevator making necessary adjustments control surfaces varying servo placement and/ adjusting pushrods course bottom hull done black center wing area done orange like curtains IThe orange panel meant helpful searchers being highly visible event plane down sea Fortunately makes plane colorful model letterine cut black MonoKote ironed quite chore worth Use #11 X-Acto knife lead pencil soft eraser hold down small letters being cut fingers will eternally grateful As case letters bow cut /4-in strip couple inches long chop off several 3/16-in rectangles Cut letters rectangles will quite uniform After some practice may never go back painting numbers using decals again Additional hints cutting piece pine board hard wood strip protective backing Super MonoKote after cut strips mentioned above anti-glare effect top nose achieved sanding black MonoKote #600-grit sandpaper just enough kill shine wing walks sponsons can done same way order simulate corrugated sections some parts hull used strips silver Super MonoKote cut / x 12-in strands found trying cut longer strips much difficult strips ironed Tack down 40 Model Aviation Small pieces wing skin used cover ing nose hull Author prefers Am broid gluing ply wing skin model beginning look exciting point though good amount work still needs done front hull hull farmers 1A-in balsa sheet cockpit nearly complete pic Receiver battery goes under cockpit Continued page 136 China Clippers designer-builder authorl Bud Chappell poses camera Bud started building models age six Fifty years later calls ultimate achievement 115 SCALE W Golden Era biplanes will come alive smooth flying easy building flying machine Its big enough catch attention yet small enough use everyday glow engine 2657 N E 188th Street Miam Rlcrroa 33180 Telepeone 935-1436 KIT FEATURES Machined die cut balsa select plywood hardwoods Hardware package Pre-bent landing gear cabine wire Vacuum formed ABS cowl aleleron caps gas cover Mylar decals Full size plans instruction book including isometric drawings SPECIFICATIONS 1/5 Scale 72in Span Area 1530 sqin 4 channel Radio 61-12 Engine Weight 12 lbs Fuse 54 1/2 Fun/Winter Continued paqe 133 Bell XFL-l Airacobra tail-dragger carrier use Nice long-winged Messerschmitt Bf 1091-2a carrier-based fighter Some few wild things mixed vintages over whelming book worth look-see want good documentation plane isnt duplicated zillion other guys coupla guys stuff see big FAC Newsletter Maybe like little rubber-powered things Dave Diels sent slew cute plans urges build couple Diels PO Box 101 Woodville OH 43489 started five plans three years ago over 30 last January 1 oh expecting expand printwood molded canopies popular subjects theres David Aronstein 50 Pasture Lane Poughkeepsie NY 12603 see 28 illustrated subjects plan listing mad variety ultralights racers originals various scales Real cute flukies like 8-in Beercat 12-in Mini-Twinan old-style twin-pusher about Roland trimotor Peanut Drawings will seem rudimentary RC kit builders builders FF Rubber Scale get inspired basic lines SOS thermometer says 103 degrees Bill Winter 4426 Altura Ct Fairfax VA 22030 China Clipper/Chappell Continued oaoe 40 end strip iron heats up stretch little go effect corrugated panels quite good done way also used silver strips cover joint wing orange white come together makes decorating little neater wing struts just looks quite functional lend lot strength wing/hull joint Start four pieces streamlined brass tubing hobby shops metal display Squeeze ends bench vise flatten neatly drilling operation next front view plans determine approximate location vertical smaller struts intersect diago nals wrap piece masking tape around diagonals point Mark tape exact point intersection drill through tape struts 5/32-in bit Use 1/16-in drill make starter hole After drilling larger hole strut remove tape sand off rough edges Cut length /e-in pieces brass round tubing bend according plan Solder together intersection making nice smooth filled joints Cut general fit sections small hardwood dowel go between spon son under surface wing will find round brass tubing sockets dowels deep enough permit dowels slid up down allow good fit against wing sponson struts finished remove paint two coats silver dope Other finishing details include various wires visible Make small hooks common pins heads re moved press locations shown wifes favorite fabric store purchase some elastic silver metallic thread After tieing knot end thread trimming off excess loop thread hook hook little practice will find can rig whole section single piecesuch piece under side stabilizer air vents over some passenger windows small blocks MonoKote-covered balsa epoxied place pilot tube top cockpit different appearance built A-in tubing dowel Z-bent wire glued top Pan Am logo can placed two different places According photos have collected 1935 136 Model Aviation Builders Get f Better Start Season Using KIN-CRAFT Quality Line Polyester Resins Micro-Balloon Air-O-FilI Gloves Protective Fiberglass Cloth & Tapes 1/a z Cloth 1 4 & 6 Tapes Custom Cut Cloth Any Length Sandable Primers Thinner Accessories also Dust Masks Gator Grip Contact Cement Applicator Kits Engine Cleaner Oil KitsNIN Send self-addressed stamped envelope free catalogue discounts Kin-Craft Mfg Ri 2 Box 481E Ashland KY 41101 Dealer Distributor Inquiries Invited 928-4763NuN Quarter Scale Davis Dl k REALISTIC FLIGHT SPEEDS RESPONSIVE CONTROLS EXCELLENT GROUND HANDLING Span 90 laae 63 1300 SQ Ifl ROLLau CLAN / uonaIruclIorl tfooklet s25 Plans Kinner Sportster Write.. DA CLASS C GIANT DESIGNS5CAEPI-ANS 35 Eec ManSDS Pheos New Y Phone35 8 logo appeared nose vicinity planes name pictures made 1936 some unexplained reason logo shown pylon behind engineers window various small windows hull duplicated black MonoKote Pre-flight little difficulty experi enced getting ideal balance point CG model completed turned out tail-heavy couldnt move radio equipment forward thing left add nose weight way thinking last resort try earn estly achieve proper balance other way adding weight instance no choice first step put small pieces black MonoKote under wing alongside pylon exactly desired balance point enabled locate feel precise point place two index fingers order lift model next thing cut top nose block off glare-panel line about 1 /2 back Re move front section carefully can used again start drilling /4-in Continued page 140 71 - $ K- 7$i K,, , 4 7Km- 55Zf'it5 modellVs mi trenor GIANT R/C SCALE PLANS f7TRTISS R-6 37 SPAtE 52195 AERONCA C3 i icd spu LEAR FAN 1 172 SPAtE 521 CO S19O VOGEL AVIATION DEPT M BOX 54 RESEDA CA 9135 PEPPERMINT PATTIE60 Performs entire AMA Pattern PAE ability Will put tou FBREGLASS PUSk tailpOSt & wleg IdIots So FLITEGLAS MODELSSee dealer ordey direct WINGASTABILIZER FOAM C rR4 Plo BOBBling MASTER KIT AILERONS ELEVATOR & B rough sanded shwPeDroision BAA/RICH SALES CO BASIC HARDWARE- hinges cileron OOeneOtOtS2 FAIRWAY torque rods cIwoises aed tyrweded rodsHANNIBAL MO N34St Sf4 2at-ASyS WINGSPAN- AR AREA-BBS Bgihn ENGINE- ASa WEIGHT 75 Bibs FLY THE BEST December 1983 137 ALL SHEET ONE PIECE AAA GRADE KILN DRIED SANDED TO CLOSE TOLERANCES PED 100% 36Light 4-6lb38118x3453/l6sq17318x 11/2 331/16x3491116x4481/4sq26112x2 403/32 x 3563/32 x 4561/4 x 3/830 431/8 x 367 1/8 x 466 3/8 sq.37 493/16 x 37648 Sticks 561/4x385Add4O0/o 318x3115 37112x3139 44 54Sheets 48 62 73 No Need Make Christmas List Just Use Ad Tote Bag 0 UNIQUE CHRISTMAS GIFT IDEAS Tire Covers Tote Rags Hats end quality line sportswear Designs just come aviation designs available top quality line sportswear designs direct printno heat transfer Three color 8-25 er Cub. Gee Bee. P40 Warhawks ker D VII 8. Christen EaIe. Pltts Speia1. Citabria P47 Thunderbolt arman Curtis Jenny. Corsair. Coaches ShirtS 1295T-ShirtS605 Ladies TopS550Long Sleeve TS755 ShortsS595Bssebeil$S95 Lined JecketS2195FootbailSS95 Tote Bag579SSwestshirt$95O Tire Cover51495Hooded SweetSi495 HetS595 Wide choice colors sizes Send $100 new Illustrated Brochure Name Address CityStateZip DesignSize Color now accept MasterCard & Visa TO ORDER Send check money order Shipping $115 add Si 50 Over $15 add 10% Maryland residents add 5% taxI Phase Art Hwy 382 Box 123L Waldorph MD 20601 301 843-3060 China Clipper/Chappell Continued page 137 holes nose block angle toward back will accept 16-penny nails heads removed Keep adding nails until get perfect balance feel just little nose-down exactly level took total 2/2 oz job bad really bugs have haul around non-contributing weight decorating finished flight pack batteries have charged start adjust engine individually proper power needle settings models nose tilted upward 300 Get idle setting reliable too prevent too-fast approach landing Sullivan starter notches cut rubber insert match three-bladed props makes starting very easy friend handling battery glow plug duties start outboard port engine first Continue down line one-third throttle setting seems about right Once engines running test re sponse power likeness fore warnedthose four ake powerful racket Check control functions engines running sure work ing reliably certaindont risk model found aileron servo nasty chatter tested way cut new wing open replace hated think very obvious what might have happened otherwise Flying first taxi tests conducted 1981 Brimfield Massachusetts Fall Hydro Contest Due very high winds event put off until late day hopes winds would calm down did slack off somewhat though much would have liked Quite few people waited day long hoping see first flight China Clipper decision made give go engines fired up nicely radio tested okay faithful wife friend helper Lois pointed nose wind ran lOs up full power signal Lois released plane moved out quickly wind making water much too roughit like trying take off full-scale plane heavy seas waves caused model pitch violently hard gain speed also became apparent far less rudder control hoped keeping nose wind difficult Eventually plane got up step beginning take longer bounces between wave tops just about completely airborne began get too far off course left heading tree-lined shore Everyone cheering CD Don Fos ter yelling got ityou got wasnt pleased prospect starting immediate right turn new untested plane time already too far away decided another attempt would lot better cut power model settled back water tried turning around taxi back found wind uncooperative sponsons marginal plane turned crosswind wing tip tilted lee side water allowed outboard engine con tact rough waves conked out An attempt turning other way yielded same result finally managed sail China Clipper back beach its own power avoid humiliation being towed Several times tried get going right direction direc tional control needed little daylight under hull could hardly called flight Back workshop first modi fication 3/ X /4-in spruce keel matching chine strips epoxied place Luckily doped black hardly noticeable detract scale appearance No further attempts made during 1981 fly plane time Brimfield Spring Meet came around des perate find out whether created flying machine hangar queen May 22 1982 time find out Armed picnic baskets filled goodies old Chevy wagon filled airplanes flight boxes grandchildren other loyal sympathetic family mem bers descenced upon Brimfield weather conditions once good better forecast Hoping get test flights begun before conditions changed hurried get water radio checked engines run indi vidually together shut down order top off tanks engines screaming China Clipper released soon obvious building up enough speed get onto step going problem As takeoff run distance used up throt tles slowed plane taxied back Another attempt tried same result taxied back again next try throttles opened maxi mum got up step little back pressure elevator tried too soon 140 Model Aviation AMA Clubs Giant Scalers Save 30%Order Direct Buckeye Balsa suppiies AAA quality balsa certified aircraft plywood fine kits Aero Composites Double C Mfg. 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VK Modda Bob Dively Modd Aircraft 8 hobby shops Send $1 catalog Price applied first order Minimum Net Order $50 No shipping COD charges 216 533 3607 P0 Box 174 Canfield OH 44406 SILICONE 10 foot coils TUBING SIZESMALL MEDIUM LARGE LilA.062/156092/187125/250 $/COIL$235$265$325 US POSTAGE & HANDLINGsmall 37/Coil med 37/Coil large oil gasoline LARRY DODGE AEROINC 10210 MANNING AVENUE N STILLWATER MN 55082 IEGAIN Losing control can night mare wrong response given command can take its toll model nerves wallet Radio South know feel about hobby too avid RC enthusiasts nearly half century combined experience C NTR Pt modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical inhouse radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control Authorized sales & ser JR PROPO radio io Line • equipment imported Futaba K______ Circus Hobbies 80 E Burgess Road FL 32503904/478-6745 plane lifted port wing too high right tip dug water cartwheeled around right great deal spray killing three engines As plane made tight circles water engine idling modeler landed crashed starboard wing immedi ately became quite irritable chase boat retrieved plane re trieved composure began assess problems First keel chine strips cured steering problem Second six inches wing tip rebuild Third appeared suction hull sponsons going difficult overcome gluing remaining pieces together discussed advantages using wax wetted areas different elevator techniques Some sections wing tip mtss ing too badly crushed re-use trusty old flight box called upon yield necessary scraps re-form tip aileron No MonoKote available old substitute employedScotch Brand Magic Transparent Mending Tape makes great waterproof skin quite fuelresistant too everything epoxied back together model declared airworthy still worried about lack speed water occurred three bladed prop could problem Sometimes two-bladed prop will let engine turn better produce power decided would worth try installed four Top Flite wood 7-6 props ran engines reset carburetors headed waters edge once engines full power area really cleared Lois released tail approximately 50 ft model air surprised lagging several seconds behind needed control response Sensing predicament calm reassuring voice left elbow began coaching Bring up left winga little nose downnow keep right turn no 300 bankdont let tighten up turn wants etc sudden realized China Clipper flying People cheering jumping hugging plane flew beautifully time altitude trim sttcks transmitter take pres sure off cramping fingers flew Very docile very smooth very majestic voice came again Fly right down waternow ease off some power hold off now cut powerlet settleyou got landing super smooth As taxied feeling pure elation sure flight wasnt fluke China Clipper immediately refueled flew again better results second takeoff picture book whole flight superb really flies mysterious voice helped much turned out belong Mr Len Bell now get pure unarranged coin cidence turns out Pan Am pilots 14000 hr actually flew China Clipper sister ships regu lar run Miami Leopoldville Africa Pacific got too hot pas senger flights isnt books dont know what Needless say spent lot time discussing similarities differ ences model compared real thing Mr Bells caution about model tucking under reference left turn right turns plane grooved way around no tendency turn tighten go left turn became established conscious effort made apply little opposite control prevent angle bank increasing agreed difference turns probably due collective torque four engines rotating same di rection rudder trim transmitter bore out theory After first flight rudder setting roughly 50 right trim required keep plane flying straight ahead Mr Bell suggested reducing prop pitch #4 engine outboard starboard side would likely help situation possibly #3 should changed well told us real clippers pitches props likely different settings due changes weight wing fuel tanks flight progressed load board trim requirements airplane model down-elevator has also necessary trim plane fly hands-off Summing up eventually realized model China Clipper easier fly trusty old PBY5 81/2 lb fueled weight 3 lb heavier Catalina PBY5 has no ailerons China Clipper has lot work formidable challenge finally great satisfaction think about moment exactly modeling should beContinued page 144 December 1983 141 Custom Built RC Model Airplanes Specializing SI-Planes Cell Write Prices BUZZARD AIRCRAFT 614 Ann St. Beaufort NC 28516 918 728-3891 SCALE DOCUMENTATION SCALE DRAWINGSPHOTOS BOOKLETS MODEL PLANS 1983 AIRPLANE CATALOG 2 60 AG REPLA TECH NTERNAT ONAI 500 MC KENZIE Hwy VOA OREGON 97499 RADIO EQUIPMENT EXCHANGE lox 561 Park Forest Illinois 60466 List used radio equip ment sale No fee listing Escrow available Send SASE details Manufacturers Super Fli 84S18995 92$19995 Zlin Z5OL 84S15995 92$18995 Beagle Pup 85 QuadraS18995 Softglas Filler Sealer Primer one$12SOIcan Fast Threads Brass inserts 4-406132 8132 /-20S098 Fast Tape Wing Sheeting 3x50$1095 1 x50$595 Mister 5 X 5 Casted Resin PilotS1295 Starter Kits Canopy cowl LG Plans kits Send $100 catalog China Clipper/Chappell Continued page 147 Happy flying China Clipper Material List ICarl Goldberg Skylane 62 wing kit 4Aluminum soft drink cans cowls 4OS 10 engines 27-4 Props starboard side 27-6 Props pon side 4~90o Belicranks throttles 3Vs-in Balsa sheet 3 x 36 8-in Balsa sheet 3 x 36 ISheet Plexiglas 1/16 x 6 x 8 4#12 Perfect brand Control Line fuel tanks 21/16-in Brass tubing x 12 IA-in Brass tubing x 12 4-A-in Streamline brass tubing 2Vs-in Hardwood dowel x 12 4Nyrod x 36 4Du-Bro ball socket fittings 4Sets 4-40 engine mounting bolts w/nuts 116-in Length medium silicone fuel tubing l/4-in Hardwood dowel x 12 -in Plywood sheet 12 x 24 13/16-in Plywood sheet 6 x 12 4Plywood wing skin 1/64 x 12 x 48 Sig Mfg Co ISpruce pc 36 1Balsa block 6 X 4 X 3 nose block Giant Taliwbeel Assembly Now three sizes spring steel tailwheels 4to9 Lbs$1295 lOtol8Lbs $1495 l9Lbs8UP $1595 2Balsa block x l/2 x lOin sponson tips 1Balsa block x 3 x 4 cockpit roof IPkg wing cushion tape lPkg servo mounting tape 29/16 x 11/16 x 7 Hardwood sponson main spar pieces 2~60o Belleranks aileron 2Robart hinge points medium size 1Split elevator horn Contml Line type modified INylon wing screw 2 2Music wire 1/16 x 36 2Rolls Super MonoKote white ARoll Super MonoRote silver Roll Super MonoRote orange Roll SuperMonoKote black ISpool elastic thread silver metallic MiscAdhesives crew figures cockpit detail materi als 4-Cb radio etc Radio Technique/Myers Continued Daae 43 999 ms ins iseconds 1/1000 second Ace RF Interface turns Datamaster display ON/OFF show widths transmitters control pulses taken directly off transmitters tenna no intervening receiver required Normally control pulses will meas AflENTION ERS ured some value between 069 200 milliseconds trims controls centered pulse value will normally l45ms Kraft 13lms certain older Futaba sets SOms practically everyone else rotary switch RF Interface will select particular pulse want study out two eight normally generated digital AM transmitters Lets say have four-channel set identify pulse widths wiggling sticks ob serving effect time switch position Lets say find following -Throttle1 54ms 2Elevator148 3Aileron154 4Rudder147 5?300 6Throttle again154 7Elevator again148 8Aileron again154 wiggle sticks see item 5 affected control Whats going point need some additional information similar knowing sun shone 2 hours previous example need know control pulses sent out strings repeat length typical string about 2Oms also need know typical pause between control pulses 025ms So lets work out numbers transmitter Neutral pulse 4 @ lSms Spaces 4 @ 025 ins s Total7Oins Subtract time used 7Oms string time 20Oms get 13Oms Since Datamaster can read maximum 999ms shows whats left over 3Oms now un derstand 30 reading comes Since frame time time complete string pulses usually fixed about 2Oins Reset pulse thats left over must change time control pulses changeand does RF Interface keys Reset pulse set up distribution num bered switch positions its logical fifth position will Reset six seven eight repeats Transmitters other numbers channels will get cor FrOm~jen Ag Aviation TI4 FAIRCadCOI 34 ChKit #107 $3995 Far 099 15 Engines 48 Wingspan Dealer ributor Inquiries Please aend 5Ot Phene 753 273-9593for Flyline Catalog Flyline Models Inc PO Box 2136 Fairfax virginia 22031 USA 144 Model Aviation PIPER Vagabond PA 17 Wingspan 84 Flying Weight 10 lbs Engine 60 to 91 Wing Design Foamone piece Fuselage Built up balsa semimonocoque con struction$15995 Kit also includes fiberglass cowl heavy duty landing gear 040 thick windows Easyandfesttebuild * Adelighttefly Expert er Beginner OHIO SUPERSTAR PRODUCTS INC CheroKee Dr North Canton Ohio 44720Phone 216 494-8189 IGLIIZ TIllS PROFILECOM8A RA T WIDE & NARROW WEDGE 75 -- 6 oz Capacities 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