NO OCR TEXT NO OCR TEXT 4 Wing struts fastened fuselage brackets 2-56 hex-heed screws proto type tranortation screws removed aileron devises disconnected wing pin extracted cabane struts museum workshop Hales Corners WI prototype built Burlington Airport after reached flying status Limbach engine visits odd parts shown drawings measured Dimen sions taken aluminum engine cowl nose bowl wheel pants Engine cowl made fiberglass cloth laid epoxy resin over foam core Foam re moved later bulkheads cememted inside 32 Model Aviation Fiberglass cowl Pixie model copied fiberglass nose bowl prototype full-size rixie has fiberglass whell pants Un model balsa fiberglass cloth covering help withstand abuse .e carved balsa dummy pilot rest plywood platform fastened rails cockpit Chin head top about 2 Wing struts model Pixie necessity because cabane struts pylon type Jury struts also functional Steel wire cabane struts anchored securely fuselage main load-carrying members Note leather-covered headrest Tail surtaces wire-braced model original Pixie logo hand painted oil colors blank decal paper MON PROMNFROM TIMEFONT7 ITLL OAZZJE UKO~ THE5 AVIONIC5EAST 0F ALBANY IF FLI6HT IN OURTRAVELAI YOU MORENDOPEP TO REAO ALLEE ME 70DONT KEEO MV NW LON6 RANGE20 cors OFrr DINATESWINDSHIEID CITATION P -I IINEUROPCLEAN _ONLY I/ZMI v7/o GEZ CANT R4D T-EN 16/- IMEANI-ALLIDO HALF ThEDSIN UP I5 NEL R/C IOEA9 5/32 ODTUBING ---75/BSOAILERON SPAR GUIDES WING PIN— /8 FILLETS / W7 1/8 PLYWOOD SFR JOINER AILERON LINKAGE N 3/32 SHEET CENTER SECTION ON W 6 /8 PLYWOOD SPAR JOINERS I/B M WIRE 1/16 PLYWOOD CABANE DECK CABANE / 1/8 BALSA COWUNG 1/8 STEEL PIN ANd-CR AT COWL REAR FIBERGLASS LAY UP COWL 40 ENGINE ON SIG MEDIUM MOUNT 4-40 SCREW TO ENGINE BEARER ARM SECURES COWL BAR I/8PLyWOOD COWL BAFFLE BELLCRANK 032 BRASS ONHARCIOOD STRIPS I/4PLYWOOD FIREWALL3/16 BALSA FILLWIRE BRACED WITH 5/32BRASSmBEATTACH FITTINGS IN ENDS F 3 1/16 PLYWOOD INI\ER SIDEI/8MUSIC WIREMWIRE032 BRASS TUBING BACKTO F5JURY STRUTS 031 BRASS LG CLIP TONTS2 3/4DIAWHEELS 1/8 BALSA PThWITH FLAT ENDS 3/32v STIFFENERS I/B FAIRING 1/4 9/32 HAJD BALSA CR SPRUCE BOSTS 3/325 3/16 BALSA OR SPRUCE DECK STRINGERS 3/32 SHEET BALSA IN CORE OF TAIL SURFACES 3/32 SQ RIBS ALL TAIL 1/4 X 9/32 HARD SPARS -l ELEVATOR HORN WIRE TO ELEVATORS RUDDER STEERED WHEEL BRACKET-SPRINGS ASSEM 3/16 SQ SPRUCE LOMERONS AND BRACES 3/32x 3/B FAIRLEAD FORWARD TO F4 1/4 X 9/16 BEVEL OVER AlL GAP ROBART HINGE NTI8I TE AND AILTE VWI 3/32SHEET WINGTIP I/8BALSA EDGE 3/16 SHEET BALSATOP/BOTOM LE 1/16 HARD REAR SPAR k I/4SQ HARD BALSA SPARS K TOP BOTTOM/ 3/32 BALSA ALL RIBS 1/2 SQ BALSA LEADING EDGE propeller spinner windshield head rest tail wheel control surface travel first assessment models aileron area appears disproportionately large almost full space 3 wide has caused no problems flight however rudder isnt required aileron turns really reason using Friese type ailerons aileron hinge line lo cated behind below leading edge merely copied design including offcenter bellcrank produces differential travel resulting up-aileron down Copying such features essence Scale modeling reward scalelike flight closely simulates original Pixie nose-heavy Scale model mostly because its weighty fiberglass engine cowl Another contributing factor its Ross twin 60 engine seems first power needed Actually modern Schnuerle 40 will easily out-perform Ross hauls weight 4 Ah Ni-Cd keep both glow plugs lighted reduced throttle Peter Chinns evaluation Ross sets its output 74 hp whereas modern 40 FOR SO B-DO SLRIE ROTS 4M K ROLES IV~i0I FOR FVE GRE III lAjOl CONROFl FOR GRO LOljjIj] 4 PLYWOOD FOR SO 4 40 SCREW COWL RAFFLE I/R PLYWOOD TO PIT WTEXIOR OF COWL SEE COWL SD VIEW FOR EGACT LOCATIOR 0 ROFPWAU4 SCALE PROPELLER LEFT RARE FOR URRACA ENGINE COW RA F E SEE ABOVE RP 40 ERR RE GROWN R DR 2lW\ISR MEDOM k-\IILfERRS MOOR WOOD I/S PLVWOOE READ Vl BFROST VIEW FROSTS REAR CARASE STRUTS IR MUSIC WIRE ESRISE CVWLFIRERGLASS LATUP IN I/R WA F2 IW PLYWOXO TI WIROSRIELD PATTERS 031 PLEXIGLAS OR SUTYRATE RAFFLE TO MATCX ERGIRE ROUST EROS --I __il DGDWGL ZR ORDER LAST RIM1 I/R DIA STEEL DOWEL PIN 11W PLYWOODF REAR IRK1 COWL FASTERED WITX SIRGLE SO 4-40 SCREW 032 BRASS Fl -WOE-SR VEX SCREW BALSA WXEEL PARTS COVER WITH FISEXOLASS CLOTR ARD REGIS ORRWA~ ~WRAP BRACKET AROUND G DIR OSOFT BRASS SHOCE CORD CUFFSDEl BALSA WACO LEATRER COVER FIT I/S RAL over 100 hp Any 40 ot oTher 60 engines will fly Pixie power spare Ross may ball-of-fire engine certainly looks pretty inside cowl addition 3 oz bar brass bolted fuselage bottom just forward tail wheel balance has brought Pix ies weight 7 lb 773 sq wing area Wing struts fastened spars brackets wood screws Cable bracing between struts copies full-scale practice non functional modeL Handmade aileron hinges copied prototype better made Robart Hinge Points 34 Model Aviation Plastic fill vent tubes trom tne ruel tank clamped t firewall White wires Ross Twins two glow plugs connect mini phone jack external glow battery Other wires go lack engine mount FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 F4 I/IN PLY 5/32 SIA WIRE TCUT TO FIT CARANE FR I/VRALSA FW 3/32 BALSA P11 3/32 BALSA P12 3/32 BALSA F13 3/32 BALSA I/R WA K311L PG I/B BALSA FT I/V BALSA INSTRUMENT PANEL 5/32 WA FRONT MWWGT I/C SIA NEAR MOUNT P14 1/4 BALSA/4 BASSWOOO FlU 3/32 BALSASERVO MOSINTS OIr WA CONTROL- LINE BRAIDES STEEL CABLE UDOEN BAR/ I/N PLYWOCOBUGGER CONTROL WIRE SYSTEM OLE TO FIT NO5 __I SOD SCREWI/IN US ALUMINUM TUBE-CRIMPES TIGHTLY RUSOER ROWN F3I/N BALSA FILL-INI/IN PLYWOOD 3/32 0 3/IN BALSA OR SPRUCE STRINGERS @1 0SOLDER TO NORN _____ ROD o A TAIL SPRING LEAVES U2SU 1/4 SPRING BRONZE 1/4 0 S/IN HANS BALSA I/IA BALSA EDGESSW SPRUCE I/BS 1/4 SPRUCE CORNER GUSSETS 020 ALUMINUM WING PIN 3/32 WA MUSIC WINEBRUOIIETS 7 ROOD 1It NO S-NO HES SCREWS SOLDERED WARDER -NETARANG SCREW SOLDER - MACE WIRES RUDDER BALANCE POINTAILERON GINGETRIANGULAR RELCRANR FORWANS ENS OF HEASNEST.AIL PUSUROS LEUTOER COVERED I/N CLAMPSSOFT BALSA5/32 MASS TUWIDORSAL FINRIBS- EACH GIBE/ FORWARDOINCINENCE S1/32 PLYWOOD GUSSETSSTRINGER-TAPERED F4I -/I I/N BALSA BALSA3/52WRABS BALSA. FLATTEN P23 F DD P21I/B SQUARE SPRSEE STIANGERSI/IA PLYWOOS I/N BALBA PLANNINGSPWRIN- APPROX OS TIWOB P00I/VS S/R PLYWOOD020 WA WIRE SPOD BALSAPINAi FINS/IN SQUARE SPRUCE LONGENUNS AND CROSS ES -- o-ALL INTERNAL CONNERS UP NOSE SECTOR 2 REOD S/SD WA BO 0 SM WA SECTN N-B VIEW PONWAIND mrries weight easily loading 21 Z per sq ft 40 power ess weighty cowl model shouldnt ex reed 6 lb 18 oz per sq ft loading model built prototype using Hoffmann left-hand propeller spinner currently using var iished wood prop no spinner nodel would authentic pinner some respects model different ileron pushrods Goldberg Mini Snap inks Rods connected bracket yard aileron hinges ailemn linkage hown true scale location June 1983 35 POBER PIXIE DESIGNED BY PAUL H POBEREZNY PRESIDENT EAW MODEL MW MANNING ST RON WIBEHER WINGSPAN 70WEIGIIT 7195 WING AREA 773 OGRE SCALE j- 24IFT F3 SE SIDES TWOOo BALSA RHEET drawings initially intended model should disassembled fit shipping box easy transport overseas contests minimum crate size tail surfaces removable fuse lage purpose used hex-head bolts scale size location fastening bolts pass through stabilizer leading edge cross member means /o-in gap under stabilizer also between fin stab duplicating gaps full-size Pixie drawings show gaps filled balsa spacers Pixie never used world com petition served back-up model Beryl Emeraude model also has bungee-type rubber shock absorbers under its landing gear cuffs weight 7 lb doubtful whether shock cords ever extended bad landing consider feature needless complication Servos mounted four row across fuselage bottom large Kraft 15 size room spare Smaller servos would suffice full-size Pixie 7 OW WA UOSTR0L-LINE CABLE RIGGAW WIRES 2 SSOj JUST STRUTS- SSt 00 BRASS TimE WRAP soo.eeNDS FLATTeNeD AND DRILLeD imS OIL oo BRASSPAR 0-SO MeN SCREWS SOO 00 BRASS TI S REOD P30 BALSA 9 SQUARE RIBS ITOP B BOTTOM 0-52 BALSA - SSALL DTLOA IIS SALS P5W SPRUOX L4DSS2 OARS BALSA OS SRBOCE SPARS /EPOGT BR GO E OR sat WA WIRE ELCOATOS COSSECTOS052 BRASS ailerons controlled rotating tube passes beneath pilots seat offset bellcrank rear Vertical pushrods op erate ailerons bellcrank provides aileron differential measured pro totype 3 up 2 down model o down linkage copied EAA drawings Exposed pushrods functional add scale realism Ailerons could also have operated servo mounted wing center section Elevator travel 1 rudder l-/o side center Construction prefer building wing first simplify fitting cabane struts spars flat-bottomed wing halves can built directly over drawing use hollowcore door flat building surface door purchased local lumber yard $7 because minor edge dam age Front spars can either hard balsa 36 Model Aviation Servos top bottom tar aileron rudder elevator throttle Rudder bar left has wire cables horn rudder Offset belicrank aileron behind Sta F5 Large 4Ah Ni-Cd glow heat controlled micro switch mounted above throttle servo bottom Flattened tread tail wheel accom plished holding coarse sandpaper against tire spinning lathe elec tric drill Hardware store springs absorb ground shocks avoid servo damage full-size Pixie uses round steel tubes its cabane struts streamlined tubes wing Wide cowl provides excellent cooling models engine FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 BA EU S WORE SCREWS ORAL POE TASSE STRUT SRACUETS 5 P15*1 ASSEMBLY 0 [1 WI/ 1W BALSA LOSE Sflt 03 ALISHIS rUSE S4 COBB Porn AILESGE WOISES INSERT AT ORT ASSLE SEE SECT A-A 14 SQUARE US SPRUCE PROST REARS SARO BALSA RIStMSto ST______ -2- CGCTROL UUCET IO 0 fr15 SALSAEUOLUOS U CA NASA BALSA OR SPRUCEREAR SPAR-CO SALSAUSf SMUtS RE 5MW SALSA S REAL St SQUARE BALSASOTCOES CLEAR 01555 TUBES -7-__ 11 17 ----------US lIDII AS JLAASECO-SPRUCE[jjS~fUSERSS IS w r. *5SCSi BALSA URECO L...POBER PIXIE LISt BALSASAS B BALSA B REAOtt PLTWOOO REAR SPAR JORSER ST SOS SISCOER SOEST S spruce Note upper spar beveled good fit balsa leading edge sheet scratch builders have table saw set blade 170 /2 sq balsa leading edge cut same angle its upper surface beveled balsa filler strip along trailing edge cut 230 None angles critical cuts can made carving X-acto blade bit sanding wind halves connected ply wood joiners full-size Pixie center section fuel tank covered aluminum sheet flat viewed front Location 3/32-in diameter holes joiners relative wing lower surface quite critical deter mines wing incidence angle smaller joiner laid top larger lower edges aligned exactly drill through both time making certain drill vertical An aluminum tube trapped tween two center-section ribs guide June 1983 37 --C--,II U SC USrS UEO SCREW B RUT.ZIRE S W B BUT CU SQUARE BALSA LEABISS EBBS--1.-C52 ALURISUS IISlIM SALSA TUP S SUTTOB KET 055 BIA I---Instrument panel full-size Pixie has basic requirements fair-weather flight day light picture next page full-size prototype Inserting wing pin assembly oper ation could difficult tube CLARK Y AIRFOIL 3X SIZE WING SPARSK 30 54 ALUMINUM LEADING EDGE" made aileron hinges brass tube brackets close simulation full-size AIRCRAFT FABRIC COVERED EXCEPT AS NOTED IIISTRINGERS L1l1I IIIIIIII METAL 1111FUEL FILLER CAP COWL HINGES FLL2 ~-FIBERGLA5S NOSE BOWL 2 DIHEDRAL 85 206 STREAMLINED LIFT STRUTS IIII 75 DIA CABANE STRUTS AILERON PUSHRODS 0 CD DIAMETER LEFT HAND ROTATION FOR VW ENGINE FIBERGLASS POBER PIXIE DESIGNED BY PAIL K POBEREZNY DRAWN BY BOB WISCHER practice drawing shows Robart Hinge Point hinges greatly simplify con struction However Robart hinges need lengthened inserting forward ends short stubs aluminum tube ex tending rear spar drawing specifies tube angle 200 exact angle isnt critical necessary get tube angles alike purpose make simple fixture such hardwood block drilled 200 Hold block against rear spar drilling 5/32-in diameter hole through fixture perfect alignment angles well hole locations above spar edge Pixie holes drilled finished wing using aileron hole location template Working carefully holes could have drilled spar before assembly will important slotted ribs ailerons aligned tubes free operation afterward Robart hinges epoxied tubes hinge points line Epoxy cyanoacry late cement CyA can used fasten tubes spar fuselage best made two sections stick portion aft cockpit has di agonal bracing duplicates structure prototype Refering Section A-A note bracing members thinner dimensions longerons avoid problem covering material adhering bracing means right left sides different bracing offset inside basic structure fuselage aft end built first forward fuselage sides 1/16 ply wood will need bent rather sharply Former F4 can done soaking Continued page 134 38 Model Aviation Fiberglass nose bowl formed aluminum sheet components Pixie engine cowl Note step fuselage bottom aluminum sheet meets fabric landing gear attachment point Tail surfaces have round wire bracing turnbuckles lower end Note large gap between f stabilizer upper surface PENNSYLVANIA AVENUE RADIO CONTROL SOCIETY SUPER SCALE 83 16th Annual Giant UAnd Sport Scale Contest featuring A RC s 1st Size Scale Fly-in * Sport Scale * Giant Scale Separate judging Giant * Fly-in Relaxation Non Competition Events * Awards 4th Place Competition * Free Refreshments Entrants * *SAILPLANE** launching equipment histartslwincheslaCCeS5orieS complete linelbest pricesltop quality send self-addressed stamped envelope cataloglinformatiOn RLF PRODUCTS R3 Box 178-V Peoli IN d764 Al 21 723-4310 issue portion about George Clapp misleading said has 71 appeals should have said has appeals Fairchild 7 Serious correction Recall two cartoons showed artwork used Texas Sailpianers intimidate Arkansas guys noted Alamo back door would no Texas Im hono rary Razorback Heres Don Chancey just short note give proper credit priceless Rembrandts earlier column sez Don resident com mercial artist current VP Monte Miller alias Killer Miller Monte did two cartoons printed several others Oh yes Alamo did indeed have back door used ran off hid northeast swampland known today Arkansas guys like know Aeromodeling gets technical quail Sunday July 3 1983 Floyd Benett Field Brooklyn New York Largest Controlled Air Park New York State Registration 830i 130 am Flying starts 830 am Entry Fee $10 Second Entry $7 Only first 100 accepted preregistry advised Contest Director Jerry Behrens 31-27 Healy Ave Far Rockaway NY 11691 212-337-6987 Bill Winter 4426 Altura Ct Fairfax VA 22030 Pober Pixie/Wiscer Continued oaqe 38 ammonia holding bent posi tion until dry Keeping mind will some spring-back sides should over-bent about 50% An alternative score outer ply along F4 former line crack plywood Epoxy will heal wound Assemble forward box sec tion Formers Fl F4 /4 balsa bottoms -in beveled balsa gussets Add 1/16 plywood top Splice fuselage aft end box section add Formers F5 F2 assembled basic fuselage structure temporarily fasten formed wire cabane struts soldered brass brackets dis tance between brackets must match di mension over outside surfaces wing spar joiners reason building wing first dimension vicinity 575 wing pin inserted its holes brackets pin should exactly parallel top sur face fuselage Re-melt solder necessary bring pin alignment adjustment controls wing incidence pin should also exactly fuse lage center line wing will right angles fuselage cabane struts can shifted sideways slightly alignment holding cabane struts alignment add Former F8 plywood block its base using epoxy front cabane bolted 1/16 ply wood fuselage top /x-in landing gear clamps diagonal cabane blocked /x ply strips behind Former F6 epoxy Before epoxy hardens check pin alignment once re-check spacing between brackets Pixie cabane struts round tubes stream lined Landing gear wire brass parts should completely soldered together before bolt ing assembly fuselage bottom Keep proper sequence mind sol dering example wing strut brackets must place before soldering lower landing gear brackets form brackets 031-in hard brass will necessary anneal metal Heat torch over burn er kitchen stove Quench water brass will softened bending brass work-hardens before bends completed re-anneal before An electric stove heat element will same job Lay part softened directly stove element heat until changes color quench water After assembling land ing gear fuselage bottom fuselage formers stringers planking can added Tail surfaces conventional construc tion base sheet balsa Ribs edges cemented add shape sheet balsa need extremely light weight too light wrinkles will eventually appear covering material happened Pixie could have used extra tail weight Miscellaneous Having made fiberglass en gine cowls number planes have found quickest method lay-up over foam core blue insulation foam best carving sanding shape Its disadvantage foam will dissolve polyester resin glass cloth must laid epoxy resin Carve sand foam block cowl shape making slightly undersize about 1/32-in will approximate thickness glass cloth layer two 6-oz cloth followed top layer /-oz cloth ease finishing foam core easily chipped out after epoxy hardens Any residue can melted away dope thinner acetone internal plywood baffle cowl serves two purposes directs incoming air over engine also used hold cowl place means single 4-40 machine screw threaded front lower engine mount baffle needs carefully fitted cowl certain proper level cowl kept secure ply bulkhead dowel near top Wheel pants made two blocks -in balsa tack-cemented together After carving sanding outside shape split blocks apart hollow inside accommodate wheels used Robart scale wheels Permanently cement hal ves cover outside /2-oz glass cloth resin Preferred windshield material 031-in acrylic Plexiglas butyrate sheet Shape windshield draping material over aluminum form kitchen oven 2500 F sheet aluminum litho-plate bent half cylinder plastic bal 134 Model Aviation SCALE DOCUMENTATION SCALE DRAWINGSPHOTOS BOOKLETS MODEL PLANS 9983 AIRPLANE cATAL~ 04 PAGES REPLA TECH INTERNAT ONAI 49600 MC KENZ 9 HW ViDA ORCGON 97498 PAWU DIESELS Englands Finest 049 29 New low low prices Send $100 list Eric Clutton 3816 DeSoto Ave Fort Myers Florida 22905 - IIcabby Horn Wing Span--Iti Wing Are 564 Sq SENSOAR glider HOBBY HORN Eaclssice HOBBY HORN Kit SENSOAR Glide- kit high quality kit Machine cut ed parts Select quality balsa spruce Detailed plans written instructions THERMAL SLOPE 05 ELECTRIC POWER VALUE PRICED Et 51600 E 0111 lt3R KflS Full Partsat lIsts P & W Semi Kits Cosbined full stripwood plan Now intl Wire Window etc Mat Note may purchased just semi kits ot plans--write colt pritna t936 Buceaneer94-$51 1939 Clipper MK l72$39 1937 Dalloire Bptsert98$6t 1949 Ranger- 46 $27 1939 Mereury-72-$56 1935 Miss AneriOa-94$59 1941 Playboy Jr54-S29 1941 Playboy Sr89$46 1939 Power llouse84-$43 t949 Saitplane-79 $74 1940 So Long50S28 1939 Trenton Terror-72-$32 1939 Zipper54S48 1939 Korda Wakefield-44 $17 MIDreAy MODEL CO een-ktts Cootbtned w/atrtp 1936 Flying Quaker-94-$49 1937 Quaker Plash-67539 1937 Long Cwbin-78$42 t937 Air Chief61-$49 STRUCKS 1940 74 Span 935 Sq Ier SEMI-KIT Plan lnclJ--533BB fluW ru oetbo Full Kit $6399 SCALS PLANS nd ORAWUNOB S55 HEINKEL HElOOD 62 65s $1099 scteescd AND HANDLINO no cage Up $899 add $110 $290 PP/lot Class $991 $2999 add $225 copy will Sent $2991 $4599 add $390 freewhen requested$4591 $7995 add $359 order over $7990 add $499 HOBBY HORN CA Addressees add 6% tax aehobby spwcialties5 Send 510 VisaIMC#Exp 15173 Moran Street [A Check allow up 30 PO Bow 2212 days check clearance Westminster Ca 92693 CODExact Charges 714 893-9311 Hdl Cash OnlytAll UPS 714 8951203 Gator RIC Products G P 3713 Pompano Dr Pensacola FL 32514 Phone AC 904 476-8639 ENGINE SLEEVE & BEARING PULLER Pull tight sleeves bearings easily Bearing Puller $695* SPECIAL * damage Cone cone expanding brass ring grips sleeve bearing ID new 60s 17MM rear bearing Bath $1395 NewNew WING TUBE & SOCKETS 1 dia aluminum alloy tubing plug-in wings Included pair ot special slip-tit phenolic sockets build wing-structure 2024 alum lobe 24 long socket 12 long set TIGER TAIL 4 Ron Chidgeys latest best series little larger lighter slower retains honest flight characteristics ot its predecessors Especially recommended sportsman advanced pattern also good choice turn around pattern Plans construction hints -$995 anced top curved surface few minuets oven will soften en abling conform metal shape cool retains shape first attempt doesnt result proper shape change curve form try again same piece plastic Repeat until shape obtained will fit fuselage top having stress plastic Epoxy will hold windshield place Wing struts functional model Pixie metal strut ends must securely fastened slots wood using pins epoxy wrap outer end brass fit ting around tube will require soft mate rial annealing described earlier Struts fitted airplane simple pro cedure assure wing fuselage properly aligned wing pin serted join wing fuselage wing inverted fuselage blocked up level position struts assembled fuselage mounting brackets outer ends Center-punch wing spars using bracket holes template making certain wing warped bent marking spars Use blocks support center section Drill 1/16-in diameter holes h-deep spars No 2 wood screws preference covering finishing silk dope because prototype Pixie has fabric cover dope finish ever material can applied Sig Kov erall takes dope well would satisfac tory heat-shrink substitute silk surfaces will touch silk given three heavy brushed coats dope silk applied wet overall except fiber glass cowl landing gear legs given four five brushed coats clear dope using enough thinner flow well areas silk cover balsa such planked areas fuselage wing leading edge filler needed pre vent balsa grain showing through covering use mixture talc unscented dope thinner filling balsa grain mixture should contain thinner dope ease sanding Too much talc will cause cracking surface may require two coats fill deep balsa grain Sand No 150 open-coat aluminum oxide paper being careful penetrate silk complete plane given two coats brushed clear dope quite thin seal talc point finish should smooth Color coats should ex pected mask blemishes Spray enough color cover silk Color dope copious quantities adds weight Flying Determine center gravity CG location balancing point shown drawing tail-heavy un likely situation batteries can shifted forward beneath fuel tank balance point shouldnt about 1/4 fore aft point shown easy flight handling Make certain wheels freerolling inside wheel pants model tracks straight Using bit upelevator keep tail wheel run way open throttle tail comes light relax up-elevator avoid early lift-off Rudder steering ground very effective Once air begin using aileron forget rudder large ailerons effective soon flying speed attained Rudder use ful near stall point Pixie surprisingly aerobatic al though prototype wasnt intended will axial rolls barrel roll realistic Spins possible require recommended upelevator travel As Scale models go Pixie easiest fly Enjoy yours AMA Building/Mankowski Continued oaqe 40 tic Richfield Co AT&T JE Baker Co. Ban kAmerica Foundation Barber-Colman Company Beatrice Foods Co Bernd Brecher & Assoc Inc Boeing Company Brake John Price Jones Inc Brown Group Inc Brunswick Corporation Bucyrus-Erie Company Bunge Corporation Butler Manu facturing Company Carter Hawley Hale Stores Inc Caterpillar Tractor Co Celanese Corporation Chase Manhattan Bank NA Chemical Bank Chubb & Son Inc Citicorp & Citibank Cities Service Company Coca-Cola Com pany COMSAT Connecticut General Corpor ation Consolidated Foods Corporation Con tinental Group Inc Continental litinois Na tional Bank & Trust Co Frederick W Cook & Co Inc Cooper Industries inc Corning Glass Works Inc CPC international Corp Dart & Kraft Inc Del Monte Deluxe Check Printers Inc Digital Equipment Corporation Emhart Corporation Ensign-BickfOrd Indus 136 Model Aviation -iYr NEW IMPROVED High Pert omiance Glow Element Blow Proof Seal Six Types 3 Heat Ranges Longer Life Only $120 Swanson Associates PO Box 151Since 7948 Wayne NJ 07470 See Dealer Order Direct Include 75 Per Item UPS
Edition: Model Aviation - 1983/06
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 38, 134, 136
NO OCR TEXT NO OCR TEXT 4 Wing struts fastened fuselage brackets 2-56 hex-heed screws proto type tranortation screws removed aileron devises disconnected wing pin extracted cabane struts museum workshop Hales Corners WI prototype built Burlington Airport after reached flying status Limbach engine visits odd parts shown drawings measured Dimen sions taken aluminum engine cowl nose bowl wheel pants Engine cowl made fiberglass cloth laid epoxy resin over foam core Foam re moved later bulkheads cememted inside 32 Model Aviation Fiberglass cowl Pixie model copied fiberglass nose bowl prototype full-size rixie has fiberglass whell pants Un model balsa fiberglass cloth covering help withstand abuse .e carved balsa dummy pilot rest plywood platform fastened rails cockpit Chin head top about 2 Wing struts model Pixie necessity because cabane struts pylon type Jury struts also functional Steel wire cabane struts anchored securely fuselage main load-carrying members Note leather-covered headrest Tail surtaces wire-braced model original Pixie logo hand painted oil colors blank decal paper MON PROMNFROM TIMEFONT7 ITLL OAZZJE UKO~ THE5 AVIONIC5EAST 0F ALBANY IF FLI6HT IN OURTRAVELAI YOU MORENDOPEP TO REAO ALLEE ME 70DONT KEEO MV NW LON6 RANGE20 cors OFrr DINATESWINDSHIEID CITATION P -I IINEUROPCLEAN _ONLY I/ZMI v7/o GEZ CANT R4D T-EN 16/- IMEANI-ALLIDO HALF ThEDSIN UP I5 NEL R/C IOEA9 5/32 ODTUBING ---75/BSOAILERON SPAR GUIDES WING PIN— /8 FILLETS / W7 1/8 PLYWOOD SFR JOINER AILERON LINKAGE N 3/32 SHEET CENTER SECTION ON W 6 /8 PLYWOOD SPAR JOINERS I/B M WIRE 1/16 PLYWOOD CABANE DECK CABANE / 1/8 BALSA COWUNG 1/8 STEEL PIN ANd-CR AT COWL REAR FIBERGLASS LAY UP COWL 40 ENGINE ON SIG MEDIUM MOUNT 4-40 SCREW TO ENGINE BEARER ARM SECURES COWL BAR I/8PLyWOOD COWL BAFFLE BELLCRANK 032 BRASS ONHARCIOOD STRIPS I/4PLYWOOD FIREWALL3/16 BALSA FILLWIRE BRACED WITH 5/32BRASSmBEATTACH FITTINGS IN ENDS F 3 1/16 PLYWOOD INI\ER SIDEI/8MUSIC WIREMWIRE032 BRASS TUBING BACKTO F5JURY STRUTS 031 BRASS LG CLIP TONTS2 3/4DIAWHEELS 1/8 BALSA PThWITH FLAT ENDS 3/32v STIFFENERS I/B FAIRING 1/4 9/32 HAJD BALSA CR SPRUCE BOSTS 3/325 3/16 BALSA OR SPRUCE DECK STRINGERS 3/32 SHEET BALSA IN CORE OF TAIL SURFACES 3/32 SQ RIBS ALL TAIL 1/4 X 9/32 HARD SPARS -l ELEVATOR HORN WIRE TO ELEVATORS RUDDER STEERED WHEEL BRACKET-SPRINGS ASSEM 3/16 SQ SPRUCE LOMERONS AND BRACES 3/32x 3/B FAIRLEAD FORWARD TO F4 1/4 X 9/16 BEVEL OVER AlL GAP ROBART HINGE NTI8I TE AND AILTE VWI 3/32SHEET WINGTIP I/8BALSA EDGE 3/16 SHEET BALSATOP/BOTOM LE 1/16 HARD REAR SPAR k I/4SQ HARD BALSA SPARS K TOP BOTTOM/ 3/32 BALSA ALL RIBS 1/2 SQ BALSA LEADING EDGE propeller spinner windshield head rest tail wheel control surface travel first assessment models aileron area appears disproportionately large almost full space 3 wide has caused no problems flight however rudder isnt required aileron turns really reason using Friese type ailerons aileron hinge line lo cated behind below leading edge merely copied design including offcenter bellcrank produces differential travel resulting up-aileron down Copying such features essence Scale modeling reward scalelike flight closely simulates original Pixie nose-heavy Scale model mostly because its weighty fiberglass engine cowl Another contributing factor its Ross twin 60 engine seems first power needed Actually modern Schnuerle 40 will easily out-perform Ross hauls weight 4 Ah Ni-Cd keep both glow plugs lighted reduced throttle Peter Chinns evaluation Ross sets its output 74 hp whereas modern 40 FOR SO B-DO SLRIE ROTS 4M K ROLES IV~i0I FOR FVE GRE III lAjOl CONROFl FOR GRO LOljjIj] 4 PLYWOOD FOR SO 4 40 SCREW COWL RAFFLE I/R PLYWOOD TO PIT WTEXIOR OF COWL SEE COWL SD VIEW FOR EGACT LOCATIOR 0 ROFPWAU4 SCALE PROPELLER LEFT RARE FOR URRACA ENGINE COW RA F E SEE ABOVE RP 40 ERR RE GROWN R DR 2lW\ISR MEDOM k-\IILfERRS MOOR WOOD I/S PLVWOOE READ Vl BFROST VIEW FROSTS REAR CARASE STRUTS IR MUSIC WIRE ESRISE CVWLFIRERGLASS LATUP IN I/R WA F2 IW PLYWOXO TI WIROSRIELD PATTERS 031 PLEXIGLAS OR SUTYRATE RAFFLE TO MATCX ERGIRE ROUST EROS --I __il DGDWGL ZR ORDER LAST RIM1 I/R DIA STEEL DOWEL PIN 11W PLYWOODF REAR IRK1 COWL FASTERED WITX SIRGLE SO 4-40 SCREW 032 BRASS Fl -WOE-SR VEX SCREW BALSA WXEEL PARTS COVER WITH FISEXOLASS CLOTR ARD REGIS ORRWA~ ~WRAP BRACKET AROUND G DIR OSOFT BRASS SHOCE CORD CUFFSDEl BALSA WACO LEATRER COVER FIT I/S RAL over 100 hp Any 40 ot oTher 60 engines will fly Pixie power spare Ross may ball-of-fire engine certainly looks pretty inside cowl addition 3 oz bar brass bolted fuselage bottom just forward tail wheel balance has brought Pix ies weight 7 lb 773 sq wing area Wing struts fastened spars brackets wood screws Cable bracing between struts copies full-scale practice non functional modeL Handmade aileron hinges copied prototype better made Robart Hinge Points 34 Model Aviation Plastic fill vent tubes trom tne ruel tank clamped t firewall White wires Ross Twins two glow plugs connect mini phone jack external glow battery Other wires go lack engine mount FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 F4 I/IN PLY 5/32 SIA WIRE TCUT TO FIT CARANE FR I/VRALSA FW 3/32 BALSA P11 3/32 BALSA P12 3/32 BALSA F13 3/32 BALSA I/R WA K311L PG I/B BALSA FT I/V BALSA INSTRUMENT PANEL 5/32 WA FRONT MWWGT I/C SIA NEAR MOUNT P14 1/4 BALSA/4 BASSWOOO FlU 3/32 BALSASERVO MOSINTS OIr WA CONTROL- LINE BRAIDES STEEL CABLE UDOEN BAR/ I/N PLYWOCOBUGGER CONTROL WIRE SYSTEM OLE TO FIT NO5 __I SOD SCREWI/IN US ALUMINUM TUBE-CRIMPES TIGHTLY RUSOER ROWN F3I/N BALSA FILL-INI/IN PLYWOOD 3/32 0 3/IN BALSA OR SPRUCE STRINGERS @1 0SOLDER TO NORN _____ ROD o A TAIL SPRING LEAVES U2SU 1/4 SPRING BRONZE 1/4 0 S/IN HANS BALSA I/IA BALSA EDGESSW SPRUCE I/BS 1/4 SPRUCE CORNER GUSSETS 020 ALUMINUM WING PIN 3/32 WA MUSIC WINEBRUOIIETS 7 ROOD 1It NO S-NO HES SCREWS SOLDERED WARDER -NETARANG SCREW SOLDER - MACE WIRES RUDDER BALANCE POINTAILERON GINGETRIANGULAR RELCRANR FORWANS ENS OF HEASNEST.AIL PUSUROS LEUTOER COVERED I/N CLAMPSSOFT BALSA5/32 MASS TUWIDORSAL FINRIBS- EACH GIBE/ FORWARDOINCINENCE S1/32 PLYWOOD GUSSETSSTRINGER-TAPERED F4I -/I I/N BALSA BALSA3/52WRABS BALSA. FLATTEN P23 F DD P21I/B SQUARE SPRSEE STIANGERSI/IA PLYWOOS I/N BALBA PLANNINGSPWRIN- APPROX OS TIWOB P00I/VS S/R PLYWOOD020 WA WIRE SPOD BALSAPINAi FINS/IN SQUARE SPRUCE LONGENUNS AND CROSS ES -- o-ALL INTERNAL CONNERS UP NOSE SECTOR 2 REOD S/SD WA BO 0 SM WA SECTN N-B VIEW PONWAIND mrries weight easily loading 21 Z per sq ft 40 power ess weighty cowl model shouldnt ex reed 6 lb 18 oz per sq ft loading model built prototype using Hoffmann left-hand propeller spinner currently using var iished wood prop no spinner nodel would authentic pinner some respects model different ileron pushrods Goldberg Mini Snap inks Rods connected bracket yard aileron hinges ailemn linkage hown true scale location June 1983 35 POBER PIXIE DESIGNED BY PAUL H POBEREZNY PRESIDENT EAW MODEL MW MANNING ST RON WIBEHER WINGSPAN 70WEIGIIT 7195 WING AREA 773 OGRE SCALE j- 24IFT F3 SE SIDES TWOOo BALSA RHEET drawings initially intended model should disassembled fit shipping box easy transport overseas contests minimum crate size tail surfaces removable fuse lage purpose used hex-head bolts scale size location fastening bolts pass through stabilizer leading edge cross member means /o-in gap under stabilizer also between fin stab duplicating gaps full-size Pixie drawings show gaps filled balsa spacers Pixie never used world com petition served back-up model Beryl Emeraude model also has bungee-type rubber shock absorbers under its landing gear cuffs weight 7 lb doubtful whether shock cords ever extended bad landing consider feature needless complication Servos mounted four row across fuselage bottom large Kraft 15 size room spare Smaller servos would suffice full-size Pixie 7 OW WA UOSTR0L-LINE CABLE RIGGAW WIRES 2 SSOj JUST STRUTS- SSt 00 BRASS TimE WRAP soo.eeNDS FLATTeNeD AND DRILLeD imS OIL oo BRASSPAR 0-SO MeN SCREWS SOO 00 BRASS TI S REOD P30 BALSA 9 SQUARE RIBS ITOP B BOTTOM 0-52 BALSA - SSALL DTLOA IIS SALS P5W SPRUOX L4DSS2 OARS BALSA OS SRBOCE SPARS /EPOGT BR GO E OR sat WA WIRE ELCOATOS COSSECTOS052 BRASS ailerons controlled rotating tube passes beneath pilots seat offset bellcrank rear Vertical pushrods op erate ailerons bellcrank provides aileron differential measured pro totype 3 up 2 down model o down linkage copied EAA drawings Exposed pushrods functional add scale realism Ailerons could also have operated servo mounted wing center section Elevator travel 1 rudder l-/o side center Construction prefer building wing first simplify fitting cabane struts spars flat-bottomed wing halves can built directly over drawing use hollowcore door flat building surface door purchased local lumber yard $7 because minor edge dam age Front spars can either hard balsa 36 Model Aviation Servos top bottom tar aileron rudder elevator throttle Rudder bar left has wire cables horn rudder Offset belicrank aileron behind Sta F5 Large 4Ah Ni-Cd glow heat controlled micro switch mounted above throttle servo bottom Flattened tread tail wheel accom plished holding coarse sandpaper against tire spinning lathe elec tric drill Hardware store springs absorb ground shocks avoid servo damage full-size Pixie uses round steel tubes its cabane struts streamlined tubes wing Wide cowl provides excellent cooling models engine FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 BA EU S WORE SCREWS ORAL POE TASSE STRUT SRACUETS 5 P15*1 ASSEMBLY 0 [1 WI/ 1W BALSA LOSE Sflt 03 ALISHIS rUSE S4 COBB Porn AILESGE WOISES INSERT AT ORT ASSLE SEE SECT A-A 14 SQUARE US SPRUCE PROST REARS SARO BALSA RIStMSto ST______ -2- CGCTROL UUCET IO 0 fr15 SALSAEUOLUOS U CA NASA BALSA OR SPRUCEREAR SPAR-CO SALSAUSf SMUtS RE 5MW SALSA S REAL St SQUARE BALSASOTCOES CLEAR 01555 TUBES -7-__ 11 17 ----------US lIDII AS JLAASECO-SPRUCE[jjS~fUSERSS IS w r. *5SCSi BALSA URECO L...POBER PIXIE LISt BALSASAS B BALSA B REAOtt PLTWOOO REAR SPAR JORSER ST SOS SISCOER SOEST S spruce Note upper spar beveled good fit balsa leading edge sheet scratch builders have table saw set blade 170 /2 sq balsa leading edge cut same angle its upper surface beveled balsa filler strip along trailing edge cut 230 None angles critical cuts can made carving X-acto blade bit sanding wind halves connected ply wood joiners full-size Pixie center section fuel tank covered aluminum sheet flat viewed front Location 3/32-in diameter holes joiners relative wing lower surface quite critical deter mines wing incidence angle smaller joiner laid top larger lower edges aligned exactly drill through both time making certain drill vertical An aluminum tube trapped tween two center-section ribs guide June 1983 37 --C--,II U SC USrS UEO SCREW B RUT.ZIRE S W B BUT CU SQUARE BALSA LEABISS EBBS--1.-C52 ALURISUS IISlIM SALSA TUP S SUTTOB KET 055 BIA I---Instrument panel full-size Pixie has basic requirements fair-weather flight day light picture next page full-size prototype Inserting wing pin assembly oper ation could difficult tube CLARK Y AIRFOIL 3X SIZE WING SPARSK 30 54 ALUMINUM LEADING EDGE" made aileron hinges brass tube brackets close simulation full-size AIRCRAFT FABRIC COVERED EXCEPT AS NOTED IIISTRINGERS L1l1I IIIIIIII METAL 1111FUEL FILLER CAP COWL HINGES FLL2 ~-FIBERGLA5S NOSE BOWL 2 DIHEDRAL 85 206 STREAMLINED LIFT STRUTS IIII 75 DIA CABANE STRUTS AILERON PUSHRODS 0 CD DIAMETER LEFT HAND ROTATION FOR VW ENGINE FIBERGLASS POBER PIXIE DESIGNED BY PAIL K POBEREZNY DRAWN BY BOB WISCHER practice drawing shows Robart Hinge Point hinges greatly simplify con struction However Robart hinges need lengthened inserting forward ends short stubs aluminum tube ex tending rear spar drawing specifies tube angle 200 exact angle isnt critical necessary get tube angles alike purpose make simple fixture such hardwood block drilled 200 Hold block against rear spar drilling 5/32-in diameter hole through fixture perfect alignment angles well hole locations above spar edge Pixie holes drilled finished wing using aileron hole location template Working carefully holes could have drilled spar before assembly will important slotted ribs ailerons aligned tubes free operation afterward Robart hinges epoxied tubes hinge points line Epoxy cyanoacry late cement CyA can used fasten tubes spar fuselage best made two sections stick portion aft cockpit has di agonal bracing duplicates structure prototype Refering Section A-A note bracing members thinner dimensions longerons avoid problem covering material adhering bracing means right left sides different bracing offset inside basic structure fuselage aft end built first forward fuselage sides 1/16 ply wood will need bent rather sharply Former F4 can done soaking Continued page 134 38 Model Aviation Fiberglass nose bowl formed aluminum sheet components Pixie engine cowl Note step fuselage bottom aluminum sheet meets fabric landing gear attachment point Tail surfaces have round wire bracing turnbuckles lower end Note large gap between f stabilizer upper surface PENNSYLVANIA AVENUE RADIO CONTROL SOCIETY SUPER SCALE 83 16th Annual Giant UAnd Sport Scale Contest featuring A RC s 1st Size Scale Fly-in * Sport Scale * Giant Scale Separate judging Giant * Fly-in Relaxation Non Competition Events * Awards 4th Place Competition * Free Refreshments Entrants * *SAILPLANE** launching equipment histartslwincheslaCCeS5orieS complete linelbest pricesltop quality send self-addressed stamped envelope cataloglinformatiOn RLF PRODUCTS R3 Box 178-V Peoli IN d764 Al 21 723-4310 issue portion about George Clapp misleading said has 71 appeals should have said has appeals Fairchild 7 Serious correction Recall two cartoons showed artwork used Texas Sailpianers intimidate Arkansas guys noted Alamo back door would no Texas Im hono rary Razorback Heres Don Chancey just short note give proper credit priceless Rembrandts earlier column sez Don resident com mercial artist current VP Monte Miller alias Killer Miller Monte did two cartoons printed several others Oh yes Alamo did indeed have back door used ran off hid northeast swampland known today Arkansas guys like know Aeromodeling gets technical quail Sunday July 3 1983 Floyd Benett Field Brooklyn New York Largest Controlled Air Park New York State Registration 830i 130 am Flying starts 830 am Entry Fee $10 Second Entry $7 Only first 100 accepted preregistry advised Contest Director Jerry Behrens 31-27 Healy Ave Far Rockaway NY 11691 212-337-6987 Bill Winter 4426 Altura Ct Fairfax VA 22030 Pober Pixie/Wiscer Continued oaqe 38 ammonia holding bent posi tion until dry Keeping mind will some spring-back sides should over-bent about 50% An alternative score outer ply along F4 former line crack plywood Epoxy will heal wound Assemble forward box sec tion Formers Fl F4 /4 balsa bottoms -in beveled balsa gussets Add 1/16 plywood top Splice fuselage aft end box section add Formers F5 F2 assembled basic fuselage structure temporarily fasten formed wire cabane struts soldered brass brackets dis tance between brackets must match di mension over outside surfaces wing spar joiners reason building wing first dimension vicinity 575 wing pin inserted its holes brackets pin should exactly parallel top sur face fuselage Re-melt solder necessary bring pin alignment adjustment controls wing incidence pin should also exactly fuse lage center line wing will right angles fuselage cabane struts can shifted sideways slightly alignment holding cabane struts alignment add Former F8 plywood block its base using epoxy front cabane bolted 1/16 ply wood fuselage top /x-in landing gear clamps diagonal cabane blocked /x ply strips behind Former F6 epoxy Before epoxy hardens check pin alignment once re-check spacing between brackets Pixie cabane struts round tubes stream lined Landing gear wire brass parts should completely soldered together before bolt ing assembly fuselage bottom Keep proper sequence mind sol dering example wing strut brackets must place before soldering lower landing gear brackets form brackets 031-in hard brass will necessary anneal metal Heat torch over burn er kitchen stove Quench water brass will softened bending brass work-hardens before bends completed re-anneal before An electric stove heat element will same job Lay part softened directly stove element heat until changes color quench water After assembling land ing gear fuselage bottom fuselage formers stringers planking can added Tail surfaces conventional construc tion base sheet balsa Ribs edges cemented add shape sheet balsa need extremely light weight too light wrinkles will eventually appear covering material happened Pixie could have used extra tail weight Miscellaneous Having made fiberglass en gine cowls number planes have found quickest method lay-up over foam core blue insulation foam best carving sanding shape Its disadvantage foam will dissolve polyester resin glass cloth must laid epoxy resin Carve sand foam block cowl shape making slightly undersize about 1/32-in will approximate thickness glass cloth layer two 6-oz cloth followed top layer /-oz cloth ease finishing foam core easily chipped out after epoxy hardens Any residue can melted away dope thinner acetone internal plywood baffle cowl serves two purposes directs incoming air over engine also used hold cowl place means single 4-40 machine screw threaded front lower engine mount baffle needs carefully fitted cowl certain proper level cowl kept secure ply bulkhead dowel near top Wheel pants made two blocks -in balsa tack-cemented together After carving sanding outside shape split blocks apart hollow inside accommodate wheels used Robart scale wheels Permanently cement hal ves cover outside /2-oz glass cloth resin Preferred windshield material 031-in acrylic Plexiglas butyrate sheet Shape windshield draping material over aluminum form kitchen oven 2500 F sheet aluminum litho-plate bent half cylinder plastic bal 134 Model Aviation SCALE DOCUMENTATION SCALE DRAWINGSPHOTOS BOOKLETS MODEL PLANS 9983 AIRPLANE cATAL~ 04 PAGES REPLA TECH INTERNAT ONAI 49600 MC KENZ 9 HW ViDA ORCGON 97498 PAWU DIESELS Englands Finest 049 29 New low low prices Send $100 list Eric Clutton 3816 DeSoto Ave Fort Myers Florida 22905 - IIcabby Horn Wing Span--Iti Wing Are 564 Sq SENSOAR glider HOBBY HORN Eaclssice HOBBY HORN Kit SENSOAR Glide- kit high quality kit Machine cut ed parts Select quality balsa spruce Detailed plans written instructions THERMAL SLOPE 05 ELECTRIC POWER VALUE PRICED Et 51600 E 0111 lt3R KflS Full Partsat lIsts P & W Semi Kits Cosbined full stripwood plan Now intl Wire Window etc Mat Note may purchased just semi kits ot plans--write colt pritna t936 Buceaneer94-$51 1939 Clipper MK l72$39 1937 Dalloire Bptsert98$6t 1949 Ranger- 46 $27 1939 Mereury-72-$56 1935 Miss AneriOa-94$59 1941 Playboy Jr54-S29 1941 Playboy Sr89$46 1939 Power llouse84-$43 t949 Saitplane-79 $74 1940 So Long50S28 1939 Trenton Terror-72-$32 1939 Zipper54S48 1939 Korda Wakefield-44 $17 MIDreAy MODEL CO een-ktts Cootbtned w/atrtp 1936 Flying Quaker-94-$49 1937 Quaker Plash-67539 1937 Long Cwbin-78$42 t937 Air Chief61-$49 STRUCKS 1940 74 Span 935 Sq Ier SEMI-KIT Plan lnclJ--533BB fluW ru oetbo Full Kit $6399 SCALS PLANS nd ORAWUNOB S55 HEINKEL HElOOD 62 65s $1099 scteescd AND HANDLINO no cage Up $899 add $110 $290 PP/lot Class $991 $2999 add $225 copy will Sent $2991 $4599 add $390 freewhen requested$4591 $7995 add $359 order over $7990 add $499 HOBBY HORN CA Addressees add 6% tax aehobby spwcialties5 Send 510 VisaIMC#Exp 15173 Moran Street [A Check allow up 30 PO Bow 2212 days check clearance Westminster Ca 92693 CODExact Charges 714 893-9311 Hdl Cash OnlytAll UPS 714 8951203 Gator RIC Products G P 3713 Pompano Dr Pensacola FL 32514 Phone AC 904 476-8639 ENGINE SLEEVE & BEARING PULLER Pull tight sleeves bearings easily Bearing Puller $695* SPECIAL * damage Cone cone expanding brass ring grips sleeve bearing ID new 60s 17MM rear bearing Bath $1395 NewNew WING TUBE & SOCKETS 1 dia aluminum alloy tubing plug-in wings Included pair ot special slip-tit phenolic sockets build wing-structure 2024 alum lobe 24 long socket 12 long set TIGER TAIL 4 Ron Chidgeys latest best series little larger lighter slower retains honest flight characteristics ot its predecessors Especially recommended sportsman advanced pattern also good choice turn around pattern Plans construction hints -$995 anced top curved surface few minuets oven will soften en abling conform metal shape cool retains shape first attempt doesnt result proper shape change curve form try again same piece plastic Repeat until shape obtained will fit fuselage top having stress plastic Epoxy will hold windshield place Wing struts functional model Pixie metal strut ends must securely fastened slots wood using pins epoxy wrap outer end brass fit ting around tube will require soft mate rial annealing described earlier Struts fitted airplane simple pro cedure assure wing fuselage properly aligned wing pin serted join wing fuselage wing inverted fuselage blocked up level position struts assembled fuselage mounting brackets outer ends Center-punch wing spars using bracket holes template making certain wing warped bent marking spars Use blocks support center section Drill 1/16-in diameter holes h-deep spars No 2 wood screws preference covering finishing silk dope because prototype Pixie has fabric cover dope finish ever material can applied Sig Kov erall takes dope well would satisfac tory heat-shrink substitute silk surfaces will touch silk given three heavy brushed coats dope silk applied wet overall except fiber glass cowl landing gear legs given four five brushed coats clear dope using enough thinner flow well areas silk cover balsa such planked areas fuselage wing leading edge filler needed pre vent balsa grain showing through covering use mixture talc unscented dope thinner filling balsa grain mixture should contain thinner dope ease sanding Too much talc will cause cracking surface may require two coats fill deep balsa grain Sand No 150 open-coat aluminum oxide paper being careful penetrate silk complete plane given two coats brushed clear dope quite thin seal talc point finish should smooth Color coats should ex pected mask blemishes Spray enough color cover silk Color dope copious quantities adds weight Flying Determine center gravity CG location balancing point shown drawing tail-heavy un likely situation batteries can shifted forward beneath fuel tank balance point shouldnt about 1/4 fore aft point shown easy flight handling Make certain wheels freerolling inside wheel pants model tracks straight Using bit upelevator keep tail wheel run way open throttle tail comes light relax up-elevator avoid early lift-off Rudder steering ground very effective Once air begin using aileron forget rudder large ailerons effective soon flying speed attained Rudder use ful near stall point Pixie surprisingly aerobatic al though prototype wasnt intended will axial rolls barrel roll realistic Spins possible require recommended upelevator travel As Scale models go Pixie easiest fly Enjoy yours AMA Building/Mankowski Continued oaqe 40 tic Richfield Co AT&T JE Baker Co. Ban kAmerica Foundation Barber-Colman Company Beatrice Foods Co Bernd Brecher & Assoc Inc Boeing Company Brake John Price Jones Inc Brown Group Inc Brunswick Corporation Bucyrus-Erie Company Bunge Corporation Butler Manu facturing Company Carter Hawley Hale Stores Inc Caterpillar Tractor Co Celanese Corporation Chase Manhattan Bank NA Chemical Bank Chubb & Son Inc Citicorp & Citibank Cities Service Company Coca-Cola Com pany COMSAT Connecticut General Corpor ation Consolidated Foods Corporation Con tinental Group Inc Continental litinois Na tional Bank & Trust Co Frederick W Cook & Co Inc Cooper Industries inc Corning Glass Works Inc CPC international Corp Dart & Kraft Inc Del Monte Deluxe Check Printers Inc Digital Equipment Corporation Emhart Corporation Ensign-BickfOrd Indus 136 Model Aviation -iYr NEW IMPROVED High Pert omiance Glow Element Blow Proof Seal Six Types 3 Heat Ranges Longer Life Only $120 Swanson Associates PO Box 151Since 7948 Wayne NJ 07470 See Dealer Order Direct Include 75 Per Item UPS
Edition: Model Aviation - 1983/06
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 38, 134, 136
NO OCR TEXT NO OCR TEXT 4 Wing struts fastened fuselage brackets 2-56 hex-heed screws proto type tranortation screws removed aileron devises disconnected wing pin extracted cabane struts museum workshop Hales Corners WI prototype built Burlington Airport after reached flying status Limbach engine visits odd parts shown drawings measured Dimen sions taken aluminum engine cowl nose bowl wheel pants Engine cowl made fiberglass cloth laid epoxy resin over foam core Foam re moved later bulkheads cememted inside 32 Model Aviation Fiberglass cowl Pixie model copied fiberglass nose bowl prototype full-size rixie has fiberglass whell pants Un model balsa fiberglass cloth covering help withstand abuse .e carved balsa dummy pilot rest plywood platform fastened rails cockpit Chin head top about 2 Wing struts model Pixie necessity because cabane struts pylon type Jury struts also functional Steel wire cabane struts anchored securely fuselage main load-carrying members Note leather-covered headrest Tail surtaces wire-braced model original Pixie logo hand painted oil colors blank decal paper MON PROMNFROM TIMEFONT7 ITLL OAZZJE UKO~ THE5 AVIONIC5EAST 0F ALBANY IF FLI6HT IN OURTRAVELAI YOU MORENDOPEP TO REAO ALLEE ME 70DONT KEEO MV NW LON6 RANGE20 cors OFrr DINATESWINDSHIEID CITATION P -I IINEUROPCLEAN _ONLY I/ZMI v7/o GEZ CANT R4D T-EN 16/- IMEANI-ALLIDO HALF ThEDSIN UP I5 NEL R/C IOEA9 5/32 ODTUBING ---75/BSOAILERON SPAR GUIDES WING PIN— /8 FILLETS / W7 1/8 PLYWOOD SFR JOINER AILERON LINKAGE N 3/32 SHEET CENTER SECTION ON W 6 /8 PLYWOOD SPAR JOINERS I/B M WIRE 1/16 PLYWOOD CABANE DECK CABANE / 1/8 BALSA COWUNG 1/8 STEEL PIN ANd-CR AT COWL REAR FIBERGLASS LAY UP COWL 40 ENGINE ON SIG MEDIUM MOUNT 4-40 SCREW TO ENGINE BEARER ARM SECURES COWL BAR I/8PLyWOOD COWL BAFFLE BELLCRANK 032 BRASS ONHARCIOOD STRIPS I/4PLYWOOD FIREWALL3/16 BALSA FILLWIRE BRACED WITH 5/32BRASSmBEATTACH FITTINGS IN ENDS F 3 1/16 PLYWOOD INI\ER SIDEI/8MUSIC WIREMWIRE032 BRASS TUBING BACKTO F5JURY STRUTS 031 BRASS LG CLIP TONTS2 3/4DIAWHEELS 1/8 BALSA PThWITH FLAT ENDS 3/32v STIFFENERS I/B FAIRING 1/4 9/32 HAJD BALSA CR SPRUCE BOSTS 3/325 3/16 BALSA OR SPRUCE DECK STRINGERS 3/32 SHEET BALSA IN CORE OF TAIL SURFACES 3/32 SQ RIBS ALL TAIL 1/4 X 9/32 HARD SPARS -l ELEVATOR HORN WIRE TO ELEVATORS RUDDER STEERED WHEEL BRACKET-SPRINGS ASSEM 3/16 SQ SPRUCE LOMERONS AND BRACES 3/32x 3/B FAIRLEAD FORWARD TO F4 1/4 X 9/16 BEVEL OVER AlL GAP ROBART HINGE NTI8I TE AND AILTE VWI 3/32SHEET WINGTIP I/8BALSA EDGE 3/16 SHEET BALSATOP/BOTOM LE 1/16 HARD REAR SPAR k I/4SQ HARD BALSA SPARS K TOP BOTTOM/ 3/32 BALSA ALL RIBS 1/2 SQ BALSA LEADING EDGE propeller spinner windshield head rest tail wheel control surface travel first assessment models aileron area appears disproportionately large almost full space 3 wide has caused no problems flight however rudder isnt required aileron turns really reason using Friese type ailerons aileron hinge line lo cated behind below leading edge merely copied design including offcenter bellcrank produces differential travel resulting up-aileron down Copying such features essence Scale modeling reward scalelike flight closely simulates original Pixie nose-heavy Scale model mostly because its weighty fiberglass engine cowl Another contributing factor its Ross twin 60 engine seems first power needed Actually modern Schnuerle 40 will easily out-perform Ross hauls weight 4 Ah Ni-Cd keep both glow plugs lighted reduced throttle Peter Chinns evaluation Ross sets its output 74 hp whereas modern 40 FOR SO B-DO SLRIE ROTS 4M K ROLES IV~i0I FOR FVE GRE III lAjOl CONROFl FOR GRO LOljjIj] 4 PLYWOOD FOR SO 4 40 SCREW COWL RAFFLE I/R PLYWOOD TO PIT WTEXIOR OF COWL SEE COWL SD VIEW FOR EGACT LOCATIOR 0 ROFPWAU4 SCALE PROPELLER LEFT RARE FOR URRACA ENGINE COW RA F E SEE ABOVE RP 40 ERR RE GROWN R DR 2lW\ISR MEDOM k-\IILfERRS MOOR WOOD I/S PLVWOOE READ Vl BFROST VIEW FROSTS REAR CARASE STRUTS IR MUSIC WIRE ESRISE CVWLFIRERGLASS LATUP IN I/R WA F2 IW PLYWOXO TI WIROSRIELD PATTERS 031 PLEXIGLAS OR SUTYRATE RAFFLE TO MATCX ERGIRE ROUST EROS --I __il DGDWGL ZR ORDER LAST RIM1 I/R DIA STEEL DOWEL PIN 11W PLYWOODF REAR IRK1 COWL FASTERED WITX SIRGLE SO 4-40 SCREW 032 BRASS Fl -WOE-SR VEX SCREW BALSA WXEEL PARTS COVER WITH FISEXOLASS CLOTR ARD REGIS ORRWA~ ~WRAP BRACKET AROUND G DIR OSOFT BRASS SHOCE CORD CUFFSDEl BALSA WACO LEATRER COVER FIT I/S RAL over 100 hp Any 40 ot oTher 60 engines will fly Pixie power spare Ross may ball-of-fire engine certainly looks pretty inside cowl addition 3 oz bar brass bolted fuselage bottom just forward tail wheel balance has brought Pix ies weight 7 lb 773 sq wing area Wing struts fastened spars brackets wood screws Cable bracing between struts copies full-scale practice non functional modeL Handmade aileron hinges copied prototype better made Robart Hinge Points 34 Model Aviation Plastic fill vent tubes trom tne ruel tank clamped t firewall White wires Ross Twins two glow plugs connect mini phone jack external glow battery Other wires go lack engine mount FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 F4 I/IN PLY 5/32 SIA WIRE TCUT TO FIT CARANE FR I/VRALSA FW 3/32 BALSA P11 3/32 BALSA P12 3/32 BALSA F13 3/32 BALSA I/R WA K311L PG I/B BALSA FT I/V BALSA INSTRUMENT PANEL 5/32 WA FRONT MWWGT I/C SIA NEAR MOUNT P14 1/4 BALSA/4 BASSWOOO FlU 3/32 BALSASERVO MOSINTS OIr WA CONTROL- LINE BRAIDES STEEL CABLE UDOEN BAR/ I/N PLYWOCOBUGGER CONTROL WIRE SYSTEM OLE TO FIT NO5 __I SOD SCREWI/IN US ALUMINUM TUBE-CRIMPES TIGHTLY RUSOER ROWN F3I/N BALSA FILL-INI/IN PLYWOOD 3/32 0 3/IN BALSA OR SPRUCE STRINGERS @1 0SOLDER TO NORN _____ ROD o A TAIL SPRING LEAVES U2SU 1/4 SPRING BRONZE 1/4 0 S/IN HANS BALSA I/IA BALSA EDGESSW SPRUCE I/BS 1/4 SPRUCE CORNER GUSSETS 020 ALUMINUM WING PIN 3/32 WA MUSIC WINEBRUOIIETS 7 ROOD 1It NO S-NO HES SCREWS SOLDERED WARDER -NETARANG SCREW SOLDER - MACE WIRES RUDDER BALANCE POINTAILERON GINGETRIANGULAR RELCRANR FORWANS ENS OF HEASNEST.AIL PUSUROS LEUTOER COVERED I/N CLAMPSSOFT BALSA5/32 MASS TUWIDORSAL FINRIBS- EACH GIBE/ FORWARDOINCINENCE S1/32 PLYWOOD GUSSETSSTRINGER-TAPERED F4I -/I I/N BALSA BALSA3/52WRABS BALSA. FLATTEN P23 F DD P21I/B SQUARE SPRSEE STIANGERSI/IA PLYWOOS I/N BALBA PLANNINGSPWRIN- APPROX OS TIWOB P00I/VS S/R PLYWOOD020 WA WIRE SPOD BALSAPINAi FINS/IN SQUARE SPRUCE LONGENUNS AND CROSS ES -- o-ALL INTERNAL CONNERS UP NOSE SECTOR 2 REOD S/SD WA BO 0 SM WA SECTN N-B VIEW PONWAIND mrries weight easily loading 21 Z per sq ft 40 power ess weighty cowl model shouldnt ex reed 6 lb 18 oz per sq ft loading model built prototype using Hoffmann left-hand propeller spinner currently using var iished wood prop no spinner nodel would authentic pinner some respects model different ileron pushrods Goldberg Mini Snap inks Rods connected bracket yard aileron hinges ailemn linkage hown true scale location June 1983 35 POBER PIXIE DESIGNED BY PAUL H POBEREZNY PRESIDENT EAW MODEL MW MANNING ST RON WIBEHER WINGSPAN 70WEIGIIT 7195 WING AREA 773 OGRE SCALE j- 24IFT F3 SE SIDES TWOOo BALSA RHEET drawings initially intended model should disassembled fit shipping box easy transport overseas contests minimum crate size tail surfaces removable fuse lage purpose used hex-head bolts scale size location fastening bolts pass through stabilizer leading edge cross member means /o-in gap under stabilizer also between fin stab duplicating gaps full-size Pixie drawings show gaps filled balsa spacers Pixie never used world com petition served back-up model Beryl Emeraude model also has bungee-type rubber shock absorbers under its landing gear cuffs weight 7 lb doubtful whether shock cords ever extended bad landing consider feature needless complication Servos mounted four row across fuselage bottom large Kraft 15 size room spare Smaller servos would suffice full-size Pixie 7 OW WA UOSTR0L-LINE CABLE RIGGAW WIRES 2 SSOj JUST STRUTS- SSt 00 BRASS TimE WRAP soo.eeNDS FLATTeNeD AND DRILLeD imS OIL oo BRASSPAR 0-SO MeN SCREWS SOO 00 BRASS TI S REOD P30 BALSA 9 SQUARE RIBS ITOP B BOTTOM 0-52 BALSA - SSALL DTLOA IIS SALS P5W SPRUOX L4DSS2 OARS BALSA OS SRBOCE SPARS /EPOGT BR GO E OR sat WA WIRE ELCOATOS COSSECTOS052 BRASS ailerons controlled rotating tube passes beneath pilots seat offset bellcrank rear Vertical pushrods op erate ailerons bellcrank provides aileron differential measured pro totype 3 up 2 down model o down linkage copied EAA drawings Exposed pushrods functional add scale realism Ailerons could also have operated servo mounted wing center section Elevator travel 1 rudder l-/o side center Construction prefer building wing first simplify fitting cabane struts spars flat-bottomed wing halves can built directly over drawing use hollowcore door flat building surface door purchased local lumber yard $7 because minor edge dam age Front spars can either hard balsa 36 Model Aviation Servos top bottom tar aileron rudder elevator throttle Rudder bar left has wire cables horn rudder Offset belicrank aileron behind Sta F5 Large 4Ah Ni-Cd glow heat controlled micro switch mounted above throttle servo bottom Flattened tread tail wheel accom plished holding coarse sandpaper against tire spinning lathe elec tric drill Hardware store springs absorb ground shocks avoid servo damage full-size Pixie uses round steel tubes its cabane struts streamlined tubes wing Wide cowl provides excellent cooling models engine FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 BA EU S WORE SCREWS ORAL POE TASSE STRUT SRACUETS 5 P15*1 ASSEMBLY 0 [1 WI/ 1W BALSA LOSE Sflt 03 ALISHIS rUSE S4 COBB Porn AILESGE WOISES INSERT AT ORT ASSLE SEE SECT A-A 14 SQUARE US SPRUCE PROST REARS SARO BALSA RIStMSto ST______ -2- CGCTROL UUCET IO 0 fr15 SALSAEUOLUOS U CA NASA BALSA OR SPRUCEREAR SPAR-CO SALSAUSf SMUtS RE 5MW SALSA S REAL St SQUARE BALSASOTCOES CLEAR 01555 TUBES -7-__ 11 17 ----------US lIDII AS JLAASECO-SPRUCE[jjS~fUSERSS IS w r. *5SCSi BALSA URECO L...POBER PIXIE LISt BALSASAS B BALSA B REAOtt PLTWOOO REAR SPAR JORSER ST SOS SISCOER SOEST S spruce Note upper spar beveled good fit balsa leading edge sheet scratch builders have table saw set blade 170 /2 sq balsa leading edge cut same angle its upper surface beveled balsa filler strip along trailing edge cut 230 None angles critical cuts can made carving X-acto blade bit sanding wind halves connected ply wood joiners full-size Pixie center section fuel tank covered aluminum sheet flat viewed front Location 3/32-in diameter holes joiners relative wing lower surface quite critical deter mines wing incidence angle smaller joiner laid top larger lower edges aligned exactly drill through both time making certain drill vertical An aluminum tube trapped tween two center-section ribs guide June 1983 37 --C--,II U SC USrS UEO SCREW B RUT.ZIRE S W B BUT CU SQUARE BALSA LEABISS EBBS--1.-C52 ALURISUS IISlIM SALSA TUP S SUTTOB KET 055 BIA I---Instrument panel full-size Pixie has basic requirements fair-weather flight day light picture next page full-size prototype Inserting wing pin assembly oper ation could difficult tube CLARK Y AIRFOIL 3X SIZE WING SPARSK 30 54 ALUMINUM LEADING EDGE" made aileron hinges brass tube brackets close simulation full-size AIRCRAFT FABRIC COVERED EXCEPT AS NOTED IIISTRINGERS L1l1I IIIIIIII METAL 1111FUEL FILLER CAP COWL HINGES FLL2 ~-FIBERGLA5S NOSE BOWL 2 DIHEDRAL 85 206 STREAMLINED LIFT STRUTS IIII 75 DIA CABANE STRUTS AILERON PUSHRODS 0 CD DIAMETER LEFT HAND ROTATION FOR VW ENGINE FIBERGLASS POBER PIXIE DESIGNED BY PAIL K POBEREZNY DRAWN BY BOB WISCHER practice drawing shows Robart Hinge Point hinges greatly simplify con struction However Robart hinges need lengthened inserting forward ends short stubs aluminum tube ex tending rear spar drawing specifies tube angle 200 exact angle isnt critical necessary get tube angles alike purpose make simple fixture such hardwood block drilled 200 Hold block against rear spar drilling 5/32-in diameter hole through fixture perfect alignment angles well hole locations above spar edge Pixie holes drilled finished wing using aileron hole location template Working carefully holes could have drilled spar before assembly will important slotted ribs ailerons aligned tubes free operation afterward Robart hinges epoxied tubes hinge points line Epoxy cyanoacry late cement CyA can used fasten tubes spar fuselage best made two sections stick portion aft cockpit has di agonal bracing duplicates structure prototype Refering Section A-A note bracing members thinner dimensions longerons avoid problem covering material adhering bracing means right left sides different bracing offset inside basic structure fuselage aft end built first forward fuselage sides 1/16 ply wood will need bent rather sharply Former F4 can done soaking Continued page 134 38 Model Aviation Fiberglass nose bowl formed aluminum sheet components Pixie engine cowl Note step fuselage bottom aluminum sheet meets fabric landing gear attachment point Tail surfaces have round wire bracing turnbuckles lower end Note large gap between f stabilizer upper surface PENNSYLVANIA AVENUE RADIO CONTROL SOCIETY SUPER SCALE 83 16th Annual Giant UAnd Sport Scale Contest featuring A RC s 1st Size Scale Fly-in * Sport Scale * Giant Scale Separate judging Giant * Fly-in Relaxation Non Competition Events * Awards 4th Place Competition * Free Refreshments Entrants * *SAILPLANE** launching equipment histartslwincheslaCCeS5orieS complete linelbest pricesltop quality send self-addressed stamped envelope cataloglinformatiOn RLF PRODUCTS R3 Box 178-V Peoli IN d764 Al 21 723-4310 issue portion about George Clapp misleading said has 71 appeals should have said has appeals Fairchild 7 Serious correction Recall two cartoons showed artwork used Texas Sailpianers intimidate Arkansas guys noted Alamo back door would no Texas Im hono rary Razorback Heres Don Chancey just short note give proper credit priceless Rembrandts earlier column sez Don resident com mercial artist current VP Monte Miller alias Killer Miller Monte did two cartoons printed several others Oh yes Alamo did indeed have back door used ran off hid northeast swampland known today Arkansas guys like know Aeromodeling gets technical quail Sunday July 3 1983 Floyd Benett Field Brooklyn New York Largest Controlled Air Park New York State Registration 830i 130 am Flying starts 830 am Entry Fee $10 Second Entry $7 Only first 100 accepted preregistry advised Contest Director Jerry Behrens 31-27 Healy Ave Far Rockaway NY 11691 212-337-6987 Bill Winter 4426 Altura Ct Fairfax VA 22030 Pober Pixie/Wiscer Continued oaqe 38 ammonia holding bent posi tion until dry Keeping mind will some spring-back sides should over-bent about 50% An alternative score outer ply along F4 former line crack plywood Epoxy will heal wound Assemble forward box sec tion Formers Fl F4 /4 balsa bottoms -in beveled balsa gussets Add 1/16 plywood top Splice fuselage aft end box section add Formers F5 F2 assembled basic fuselage structure temporarily fasten formed wire cabane struts soldered brass brackets dis tance between brackets must match di mension over outside surfaces wing spar joiners reason building wing first dimension vicinity 575 wing pin inserted its holes brackets pin should exactly parallel top sur face fuselage Re-melt solder necessary bring pin alignment adjustment controls wing incidence pin should also exactly fuse lage center line wing will right angles fuselage cabane struts can shifted sideways slightly alignment holding cabane struts alignment add Former F8 plywood block its base using epoxy front cabane bolted 1/16 ply wood fuselage top /x-in landing gear clamps diagonal cabane blocked /x ply strips behind Former F6 epoxy Before epoxy hardens check pin alignment once re-check spacing between brackets Pixie cabane struts round tubes stream lined Landing gear wire brass parts should completely soldered together before bolt ing assembly fuselage bottom Keep proper sequence mind sol dering example wing strut brackets must place before soldering lower landing gear brackets form brackets 031-in hard brass will necessary anneal metal Heat torch over burn er kitchen stove Quench water brass will softened bending brass work-hardens before bends completed re-anneal before An electric stove heat element will same job Lay part softened directly stove element heat until changes color quench water After assembling land ing gear fuselage bottom fuselage formers stringers planking can added Tail surfaces conventional construc tion base sheet balsa Ribs edges cemented add shape sheet balsa need extremely light weight too light wrinkles will eventually appear covering material happened Pixie could have used extra tail weight Miscellaneous Having made fiberglass en gine cowls number planes have found quickest method lay-up over foam core blue insulation foam best carving sanding shape Its disadvantage foam will dissolve polyester resin glass cloth must laid epoxy resin Carve sand foam block cowl shape making slightly undersize about 1/32-in will approximate thickness glass cloth layer two 6-oz cloth followed top layer /-oz cloth ease finishing foam core easily chipped out after epoxy hardens Any residue can melted away dope thinner acetone internal plywood baffle cowl serves two purposes directs incoming air over engine also used hold cowl place means single 4-40 machine screw threaded front lower engine mount baffle needs carefully fitted cowl certain proper level cowl kept secure ply bulkhead dowel near top Wheel pants made two blocks -in balsa tack-cemented together After carving sanding outside shape split blocks apart hollow inside accommodate wheels used Robart scale wheels Permanently cement hal ves cover outside /2-oz glass cloth resin Preferred windshield material 031-in acrylic Plexiglas butyrate sheet Shape windshield draping material over aluminum form kitchen oven 2500 F sheet aluminum litho-plate bent half cylinder plastic bal 134 Model Aviation SCALE DOCUMENTATION SCALE DRAWINGSPHOTOS BOOKLETS MODEL PLANS 9983 AIRPLANE cATAL~ 04 PAGES REPLA TECH INTERNAT ONAI 49600 MC KENZ 9 HW ViDA ORCGON 97498 PAWU DIESELS Englands Finest 049 29 New low low prices Send $100 list Eric Clutton 3816 DeSoto Ave Fort Myers Florida 22905 - IIcabby Horn Wing Span--Iti Wing Are 564 Sq SENSOAR glider HOBBY HORN Eaclssice HOBBY HORN Kit SENSOAR Glide- kit high quality kit Machine cut ed parts Select quality balsa spruce Detailed plans written instructions THERMAL SLOPE 05 ELECTRIC POWER VALUE PRICED Et 51600 E 0111 lt3R KflS Full Partsat lIsts P & W Semi Kits Cosbined full stripwood plan Now intl Wire Window etc Mat Note may purchased just semi kits ot plans--write colt pritna t936 Buceaneer94-$51 1939 Clipper MK l72$39 1937 Dalloire Bptsert98$6t 1949 Ranger- 46 $27 1939 Mereury-72-$56 1935 Miss AneriOa-94$59 1941 Playboy Jr54-S29 1941 Playboy Sr89$46 1939 Power llouse84-$43 t949 Saitplane-79 $74 1940 So Long50S28 1939 Trenton Terror-72-$32 1939 Zipper54S48 1939 Korda Wakefield-44 $17 MIDreAy MODEL CO een-ktts Cootbtned w/atrtp 1936 Flying Quaker-94-$49 1937 Quaker Plash-67539 1937 Long Cwbin-78$42 t937 Air Chief61-$49 STRUCKS 1940 74 Span 935 Sq Ier SEMI-KIT Plan lnclJ--533BB fluW ru oetbo Full Kit $6399 SCALS PLANS nd ORAWUNOB S55 HEINKEL HElOOD 62 65s $1099 scteescd AND HANDLINO no cage Up $899 add $110 $290 PP/lot Class $991 $2999 add $225 copy will Sent $2991 $4599 add $390 freewhen requested$4591 $7995 add $359 order over $7990 add $499 HOBBY HORN CA Addressees add 6% tax aehobby spwcialties5 Send 510 VisaIMC#Exp 15173 Moran Street [A Check allow up 30 PO Bow 2212 days check clearance Westminster Ca 92693 CODExact Charges 714 893-9311 Hdl Cash OnlytAll UPS 714 8951203 Gator RIC Products G P 3713 Pompano Dr Pensacola FL 32514 Phone AC 904 476-8639 ENGINE SLEEVE & BEARING PULLER Pull tight sleeves bearings easily Bearing Puller $695* SPECIAL * damage Cone cone expanding brass ring grips sleeve bearing ID new 60s 17MM rear bearing Bath $1395 NewNew WING TUBE & SOCKETS 1 dia aluminum alloy tubing plug-in wings Included pair ot special slip-tit phenolic sockets build wing-structure 2024 alum lobe 24 long socket 12 long set TIGER TAIL 4 Ron Chidgeys latest best series little larger lighter slower retains honest flight characteristics ot its predecessors Especially recommended sportsman advanced pattern also good choice turn around pattern Plans construction hints -$995 anced top curved surface few minuets oven will soften en abling conform metal shape cool retains shape first attempt doesnt result proper shape change curve form try again same piece plastic Repeat until shape obtained will fit fuselage top having stress plastic Epoxy will hold windshield place Wing struts functional model Pixie metal strut ends must securely fastened slots wood using pins epoxy wrap outer end brass fit ting around tube will require soft mate rial annealing described earlier Struts fitted airplane simple pro cedure assure wing fuselage properly aligned wing pin serted join wing fuselage wing inverted fuselage blocked up level position struts assembled fuselage mounting brackets outer ends Center-punch wing spars using bracket holes template making certain wing warped bent marking spars Use blocks support center section Drill 1/16-in diameter holes h-deep spars No 2 wood screws preference covering finishing silk dope because prototype Pixie has fabric cover dope finish ever material can applied Sig Kov erall takes dope well would satisfac tory heat-shrink substitute silk surfaces will touch silk given three heavy brushed coats dope silk applied wet overall except fiber glass cowl landing gear legs given four five brushed coats clear dope using enough thinner flow well areas silk cover balsa such planked areas fuselage wing leading edge filler needed pre vent balsa grain showing through covering use mixture talc unscented dope thinner filling balsa grain mixture should contain thinner dope ease sanding Too much talc will cause cracking surface may require two coats fill deep balsa grain Sand No 150 open-coat aluminum oxide paper being careful penetrate silk complete plane given two coats brushed clear dope quite thin seal talc point finish should smooth Color coats should ex pected mask blemishes Spray enough color cover silk Color dope copious quantities adds weight Flying Determine center gravity CG location balancing point shown drawing tail-heavy un likely situation batteries can shifted forward beneath fuel tank balance point shouldnt about 1/4 fore aft point shown easy flight handling Make certain wheels freerolling inside wheel pants model tracks straight Using bit upelevator keep tail wheel run way open throttle tail comes light relax up-elevator avoid early lift-off Rudder steering ground very effective Once air begin using aileron forget rudder large ailerons effective soon flying speed attained Rudder use ful near stall point Pixie surprisingly aerobatic al though prototype wasnt intended will axial rolls barrel roll realistic Spins possible require recommended upelevator travel As Scale models go Pixie easiest fly Enjoy yours AMA Building/Mankowski Continued oaqe 40 tic Richfield Co AT&T JE Baker Co. Ban kAmerica Foundation Barber-Colman Company Beatrice Foods Co Bernd Brecher & Assoc Inc Boeing Company Brake John Price Jones Inc Brown Group Inc Brunswick Corporation Bucyrus-Erie Company Bunge Corporation Butler Manu facturing Company Carter Hawley Hale Stores Inc Caterpillar Tractor Co Celanese Corporation Chase Manhattan Bank NA Chemical Bank Chubb & Son Inc Citicorp & Citibank Cities Service Company Coca-Cola Com pany COMSAT Connecticut General Corpor ation Consolidated Foods Corporation Con tinental Group Inc Continental litinois Na tional Bank & Trust Co Frederick W Cook & Co Inc Cooper Industries inc Corning Glass Works Inc CPC international Corp Dart & Kraft Inc Del Monte Deluxe Check Printers Inc Digital Equipment Corporation Emhart Corporation Ensign-BickfOrd Indus 136 Model Aviation -iYr NEW IMPROVED High Pert omiance Glow Element Blow Proof Seal Six Types 3 Heat Ranges Longer Life Only $120 Swanson Associates PO Box 151Since 7948 Wayne NJ 07470 See Dealer Order Direct Include 75 Per Item UPS
Edition: Model Aviation - 1983/06
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 38, 134, 136
NO OCR TEXT NO OCR TEXT 4 Wing struts fastened fuselage brackets 2-56 hex-heed screws proto type tranortation screws removed aileron devises disconnected wing pin extracted cabane struts museum workshop Hales Corners WI prototype built Burlington Airport after reached flying status Limbach engine visits odd parts shown drawings measured Dimen sions taken aluminum engine cowl nose bowl wheel pants Engine cowl made fiberglass cloth laid epoxy resin over foam core Foam re moved later bulkheads cememted inside 32 Model Aviation Fiberglass cowl Pixie model copied fiberglass nose bowl prototype full-size rixie has fiberglass whell pants Un model balsa fiberglass cloth covering help withstand abuse .e carved balsa dummy pilot rest plywood platform fastened rails cockpit Chin head top about 2 Wing struts model Pixie necessity because cabane struts pylon type Jury struts also functional Steel wire cabane struts anchored securely fuselage main load-carrying members Note leather-covered headrest Tail surtaces wire-braced model original Pixie logo hand painted oil colors blank decal paper MON PROMNFROM TIMEFONT7 ITLL OAZZJE UKO~ THE5 AVIONIC5EAST 0F ALBANY IF FLI6HT IN OURTRAVELAI YOU MORENDOPEP TO REAO ALLEE ME 70DONT KEEO MV NW LON6 RANGE20 cors OFrr DINATESWINDSHIEID CITATION P -I IINEUROPCLEAN _ONLY I/ZMI v7/o GEZ CANT R4D T-EN 16/- IMEANI-ALLIDO HALF ThEDSIN UP I5 NEL R/C IOEA9 5/32 ODTUBING ---75/BSOAILERON SPAR GUIDES WING PIN— /8 FILLETS / W7 1/8 PLYWOOD SFR JOINER AILERON LINKAGE N 3/32 SHEET CENTER SECTION ON W 6 /8 PLYWOOD SPAR JOINERS I/B M WIRE 1/16 PLYWOOD CABANE DECK CABANE / 1/8 BALSA COWUNG 1/8 STEEL PIN ANd-CR AT COWL REAR FIBERGLASS LAY UP COWL 40 ENGINE ON SIG MEDIUM MOUNT 4-40 SCREW TO ENGINE BEARER ARM SECURES COWL BAR I/8PLyWOOD COWL BAFFLE BELLCRANK 032 BRASS ONHARCIOOD STRIPS I/4PLYWOOD FIREWALL3/16 BALSA FILLWIRE BRACED WITH 5/32BRASSmBEATTACH FITTINGS IN ENDS F 3 1/16 PLYWOOD INI\ER SIDEI/8MUSIC WIREMWIRE032 BRASS TUBING BACKTO F5JURY STRUTS 031 BRASS LG CLIP TONTS2 3/4DIAWHEELS 1/8 BALSA PThWITH FLAT ENDS 3/32v STIFFENERS I/B FAIRING 1/4 9/32 HAJD BALSA CR SPRUCE BOSTS 3/325 3/16 BALSA OR SPRUCE DECK STRINGERS 3/32 SHEET BALSA IN CORE OF TAIL SURFACES 3/32 SQ RIBS ALL TAIL 1/4 X 9/32 HARD SPARS -l ELEVATOR HORN WIRE TO ELEVATORS RUDDER STEERED WHEEL BRACKET-SPRINGS ASSEM 3/16 SQ SPRUCE LOMERONS AND BRACES 3/32x 3/B FAIRLEAD FORWARD TO F4 1/4 X 9/16 BEVEL OVER AlL GAP ROBART HINGE NTI8I TE AND AILTE VWI 3/32SHEET WINGTIP I/8BALSA EDGE 3/16 SHEET BALSATOP/BOTOM LE 1/16 HARD REAR SPAR k I/4SQ HARD BALSA SPARS K TOP BOTTOM/ 3/32 BALSA ALL RIBS 1/2 SQ BALSA LEADING EDGE propeller spinner windshield head rest tail wheel control surface travel first assessment models aileron area appears disproportionately large almost full space 3 wide has caused no problems flight however rudder isnt required aileron turns really reason using Friese type ailerons aileron hinge line lo cated behind below leading edge merely copied design including offcenter bellcrank produces differential travel resulting up-aileron down Copying such features essence Scale modeling reward scalelike flight closely simulates original Pixie nose-heavy Scale model mostly because its weighty fiberglass engine cowl Another contributing factor its Ross twin 60 engine seems first power needed Actually modern Schnuerle 40 will easily out-perform Ross hauls weight 4 Ah Ni-Cd keep both glow plugs lighted reduced throttle Peter Chinns evaluation Ross sets its output 74 hp whereas modern 40 FOR SO B-DO SLRIE ROTS 4M K ROLES IV~i0I FOR FVE GRE III lAjOl CONROFl FOR GRO LOljjIj] 4 PLYWOOD FOR SO 4 40 SCREW COWL RAFFLE I/R PLYWOOD TO PIT WTEXIOR OF COWL SEE COWL SD VIEW FOR EGACT LOCATIOR 0 ROFPWAU4 SCALE PROPELLER LEFT RARE FOR URRACA ENGINE COW RA F E SEE ABOVE RP 40 ERR RE GROWN R DR 2lW\ISR MEDOM k-\IILfERRS MOOR WOOD I/S PLVWOOE READ Vl BFROST VIEW FROSTS REAR CARASE STRUTS IR MUSIC WIRE ESRISE CVWLFIRERGLASS LATUP IN I/R WA F2 IW PLYWOXO TI WIROSRIELD PATTERS 031 PLEXIGLAS OR SUTYRATE RAFFLE TO MATCX ERGIRE ROUST EROS --I __il DGDWGL ZR ORDER LAST RIM1 I/R DIA STEEL DOWEL PIN 11W PLYWOODF REAR IRK1 COWL FASTERED WITX SIRGLE SO 4-40 SCREW 032 BRASS Fl -WOE-SR VEX SCREW BALSA WXEEL PARTS COVER WITH FISEXOLASS CLOTR ARD REGIS ORRWA~ ~WRAP BRACKET AROUND G DIR OSOFT BRASS SHOCE CORD CUFFSDEl BALSA WACO LEATRER COVER FIT I/S RAL over 100 hp Any 40 ot oTher 60 engines will fly Pixie power spare Ross may ball-of-fire engine certainly looks pretty inside cowl addition 3 oz bar brass bolted fuselage bottom just forward tail wheel balance has brought Pix ies weight 7 lb 773 sq wing area Wing struts fastened spars brackets wood screws Cable bracing between struts copies full-scale practice non functional modeL Handmade aileron hinges copied prototype better made Robart Hinge Points 34 Model Aviation Plastic fill vent tubes trom tne ruel tank clamped t firewall White wires Ross Twins two glow plugs connect mini phone jack external glow battery Other wires go lack engine mount FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 F4 I/IN PLY 5/32 SIA WIRE TCUT TO FIT CARANE FR I/VRALSA FW 3/32 BALSA P11 3/32 BALSA P12 3/32 BALSA F13 3/32 BALSA I/R WA K311L PG I/B BALSA FT I/V BALSA INSTRUMENT PANEL 5/32 WA FRONT MWWGT I/C SIA NEAR MOUNT P14 1/4 BALSA/4 BASSWOOO FlU 3/32 BALSASERVO MOSINTS OIr WA CONTROL- LINE BRAIDES STEEL CABLE UDOEN BAR/ I/N PLYWOCOBUGGER CONTROL WIRE SYSTEM OLE TO FIT NO5 __I SOD SCREWI/IN US ALUMINUM TUBE-CRIMPES TIGHTLY RUSOER ROWN F3I/N BALSA FILL-INI/IN PLYWOOD 3/32 0 3/IN BALSA OR SPRUCE STRINGERS @1 0SOLDER TO NORN _____ ROD o A TAIL SPRING LEAVES U2SU 1/4 SPRING BRONZE 1/4 0 S/IN HANS BALSA I/IA BALSA EDGESSW SPRUCE I/BS 1/4 SPRUCE CORNER GUSSETS 020 ALUMINUM WING PIN 3/32 WA MUSIC WINEBRUOIIETS 7 ROOD 1It NO S-NO HES SCREWS SOLDERED WARDER -NETARANG SCREW SOLDER - MACE WIRES RUDDER BALANCE POINTAILERON GINGETRIANGULAR RELCRANR FORWANS ENS OF HEASNEST.AIL PUSUROS LEUTOER COVERED I/N CLAMPSSOFT BALSA5/32 MASS TUWIDORSAL FINRIBS- EACH GIBE/ FORWARDOINCINENCE S1/32 PLYWOOD GUSSETSSTRINGER-TAPERED F4I -/I I/N BALSA BALSA3/52WRABS BALSA. FLATTEN P23 F DD P21I/B SQUARE SPRSEE STIANGERSI/IA PLYWOOS I/N BALBA PLANNINGSPWRIN- APPROX OS TIWOB P00I/VS S/R PLYWOOD020 WA WIRE SPOD BALSAPINAi FINS/IN SQUARE SPRUCE LONGENUNS AND CROSS ES -- o-ALL INTERNAL CONNERS UP NOSE SECTOR 2 REOD S/SD WA BO 0 SM WA SECTN N-B VIEW PONWAIND mrries weight easily loading 21 Z per sq ft 40 power ess weighty cowl model shouldnt ex reed 6 lb 18 oz per sq ft loading model built prototype using Hoffmann left-hand propeller spinner currently using var iished wood prop no spinner nodel would authentic pinner some respects model different ileron pushrods Goldberg Mini Snap inks Rods connected bracket yard aileron hinges ailemn linkage hown true scale location June 1983 35 POBER PIXIE DESIGNED BY PAUL H POBEREZNY PRESIDENT EAW MODEL MW MANNING ST RON WIBEHER WINGSPAN 70WEIGIIT 7195 WING AREA 773 OGRE SCALE j- 24IFT F3 SE SIDES TWOOo BALSA RHEET drawings initially intended model should disassembled fit shipping box easy transport overseas contests minimum crate size tail surfaces removable fuse lage purpose used hex-head bolts scale size location fastening bolts pass through stabilizer leading edge cross member means /o-in gap under stabilizer also between fin stab duplicating gaps full-size Pixie drawings show gaps filled balsa spacers Pixie never used world com petition served back-up model Beryl Emeraude model also has bungee-type rubber shock absorbers under its landing gear cuffs weight 7 lb doubtful whether shock cords ever extended bad landing consider feature needless complication Servos mounted four row across fuselage bottom large Kraft 15 size room spare Smaller servos would suffice full-size Pixie 7 OW WA UOSTR0L-LINE CABLE RIGGAW WIRES 2 SSOj JUST STRUTS- SSt 00 BRASS TimE WRAP soo.eeNDS FLATTeNeD AND DRILLeD imS OIL oo BRASSPAR 0-SO MeN SCREWS SOO 00 BRASS TI S REOD P30 BALSA 9 SQUARE RIBS ITOP B BOTTOM 0-52 BALSA - SSALL DTLOA IIS SALS P5W SPRUOX L4DSS2 OARS BALSA OS SRBOCE SPARS /EPOGT BR GO E OR sat WA WIRE ELCOATOS COSSECTOS052 BRASS ailerons controlled rotating tube passes beneath pilots seat offset bellcrank rear Vertical pushrods op erate ailerons bellcrank provides aileron differential measured pro totype 3 up 2 down model o down linkage copied EAA drawings Exposed pushrods functional add scale realism Ailerons could also have operated servo mounted wing center section Elevator travel 1 rudder l-/o side center Construction prefer building wing first simplify fitting cabane struts spars flat-bottomed wing halves can built directly over drawing use hollowcore door flat building surface door purchased local lumber yard $7 because minor edge dam age Front spars can either hard balsa 36 Model Aviation Servos top bottom tar aileron rudder elevator throttle Rudder bar left has wire cables horn rudder Offset belicrank aileron behind Sta F5 Large 4Ah Ni-Cd glow heat controlled micro switch mounted above throttle servo bottom Flattened tread tail wheel accom plished holding coarse sandpaper against tire spinning lathe elec tric drill Hardware store springs absorb ground shocks avoid servo damage full-size Pixie uses round steel tubes its cabane struts streamlined tubes wing Wide cowl provides excellent cooling models engine FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 BA EU S WORE SCREWS ORAL POE TASSE STRUT SRACUETS 5 P15*1 ASSEMBLY 0 [1 WI/ 1W BALSA LOSE Sflt 03 ALISHIS rUSE S4 COBB Porn AILESGE WOISES INSERT AT ORT ASSLE SEE SECT A-A 14 SQUARE US SPRUCE PROST REARS SARO BALSA RIStMSto ST______ -2- CGCTROL UUCET IO 0 fr15 SALSAEUOLUOS U CA NASA BALSA OR SPRUCEREAR SPAR-CO SALSAUSf SMUtS RE 5MW SALSA S REAL St SQUARE BALSASOTCOES CLEAR 01555 TUBES -7-__ 11 17 ----------US lIDII AS JLAASECO-SPRUCE[jjS~fUSERSS IS w r. *5SCSi BALSA URECO L...POBER PIXIE LISt BALSASAS B BALSA B REAOtt PLTWOOO REAR SPAR JORSER ST SOS SISCOER SOEST S spruce Note upper spar beveled good fit balsa leading edge sheet scratch builders have table saw set blade 170 /2 sq balsa leading edge cut same angle its upper surface beveled balsa filler strip along trailing edge cut 230 None angles critical cuts can made carving X-acto blade bit sanding wind halves connected ply wood joiners full-size Pixie center section fuel tank covered aluminum sheet flat viewed front Location 3/32-in diameter holes joiners relative wing lower surface quite critical deter mines wing incidence angle smaller joiner laid top larger lower edges aligned exactly drill through both time making certain drill vertical An aluminum tube trapped tween two center-section ribs guide June 1983 37 --C--,II U SC USrS UEO SCREW B RUT.ZIRE S W B BUT CU SQUARE BALSA LEABISS EBBS--1.-C52 ALURISUS IISlIM SALSA TUP S SUTTOB KET 055 BIA I---Instrument panel full-size Pixie has basic requirements fair-weather flight day light picture next page full-size prototype Inserting wing pin assembly oper ation could difficult tube CLARK Y AIRFOIL 3X SIZE WING SPARSK 30 54 ALUMINUM LEADING EDGE" made aileron hinges brass tube brackets close simulation full-size AIRCRAFT FABRIC COVERED EXCEPT AS NOTED IIISTRINGERS L1l1I IIIIIIII METAL 1111FUEL FILLER CAP COWL HINGES FLL2 ~-FIBERGLA5S NOSE BOWL 2 DIHEDRAL 85 206 STREAMLINED LIFT STRUTS IIII 75 DIA CABANE STRUTS AILERON PUSHRODS 0 CD DIAMETER LEFT HAND ROTATION FOR VW ENGINE FIBERGLASS POBER PIXIE DESIGNED BY PAIL K POBEREZNY DRAWN BY BOB WISCHER practice drawing shows Robart Hinge Point hinges greatly simplify con struction However Robart hinges need lengthened inserting forward ends short stubs aluminum tube ex tending rear spar drawing specifies tube angle 200 exact angle isnt critical necessary get tube angles alike purpose make simple fixture such hardwood block drilled 200 Hold block against rear spar drilling 5/32-in diameter hole through fixture perfect alignment angles well hole locations above spar edge Pixie holes drilled finished wing using aileron hole location template Working carefully holes could have drilled spar before assembly will important slotted ribs ailerons aligned tubes free operation afterward Robart hinges epoxied tubes hinge points line Epoxy cyanoacry late cement CyA can used fasten tubes spar fuselage best made two sections stick portion aft cockpit has di agonal bracing duplicates structure prototype Refering Section A-A note bracing members thinner dimensions longerons avoid problem covering material adhering bracing means right left sides different bracing offset inside basic structure fuselage aft end built first forward fuselage sides 1/16 ply wood will need bent rather sharply Former F4 can done soaking Continued page 134 38 Model Aviation Fiberglass nose bowl formed aluminum sheet components Pixie engine cowl Note step fuselage bottom aluminum sheet meets fabric landing gear attachment point Tail surfaces have round wire bracing turnbuckles lower end Note large gap between f stabilizer upper surface PENNSYLVANIA AVENUE RADIO CONTROL SOCIETY SUPER SCALE 83 16th Annual Giant UAnd Sport Scale Contest featuring A RC s 1st Size Scale Fly-in * Sport Scale * Giant Scale Separate judging Giant * Fly-in Relaxation Non Competition Events * Awards 4th Place Competition * Free Refreshments Entrants * *SAILPLANE** launching equipment histartslwincheslaCCeS5orieS complete linelbest pricesltop quality send self-addressed stamped envelope cataloglinformatiOn RLF PRODUCTS R3 Box 178-V Peoli IN d764 Al 21 723-4310 issue portion about George Clapp misleading said has 71 appeals should have said has appeals Fairchild 7 Serious correction Recall two cartoons showed artwork used Texas Sailpianers intimidate Arkansas guys noted Alamo back door would no Texas Im hono rary Razorback Heres Don Chancey just short note give proper credit priceless Rembrandts earlier column sez Don resident com mercial artist current VP Monte Miller alias Killer Miller Monte did two cartoons printed several others Oh yes Alamo did indeed have back door used ran off hid northeast swampland known today Arkansas guys like know Aeromodeling gets technical quail Sunday July 3 1983 Floyd Benett Field Brooklyn New York Largest Controlled Air Park New York State Registration 830i 130 am Flying starts 830 am Entry Fee $10 Second Entry $7 Only first 100 accepted preregistry advised Contest Director Jerry Behrens 31-27 Healy Ave Far Rockaway NY 11691 212-337-6987 Bill Winter 4426 Altura Ct Fairfax VA 22030 Pober Pixie/Wiscer Continued oaqe 38 ammonia holding bent posi tion until dry Keeping mind will some spring-back sides should over-bent about 50% An alternative score outer ply along F4 former line crack plywood Epoxy will heal wound Assemble forward box sec tion Formers Fl F4 /4 balsa bottoms -in beveled balsa gussets Add 1/16 plywood top Splice fuselage aft end box section add Formers F5 F2 assembled basic fuselage structure temporarily fasten formed wire cabane struts soldered brass brackets dis tance between brackets must match di mension over outside surfaces wing spar joiners reason building wing first dimension vicinity 575 wing pin inserted its holes brackets pin should exactly parallel top sur face fuselage Re-melt solder necessary bring pin alignment adjustment controls wing incidence pin should also exactly fuse lage center line wing will right angles fuselage cabane struts can shifted sideways slightly alignment holding cabane struts alignment add Former F8 plywood block its base using epoxy front cabane bolted 1/16 ply wood fuselage top /x-in landing gear clamps diagonal cabane blocked /x ply strips behind Former F6 epoxy Before epoxy hardens check pin alignment once re-check spacing between brackets Pixie cabane struts round tubes stream lined Landing gear wire brass parts should completely soldered together before bolt ing assembly fuselage bottom Keep proper sequence mind sol dering example wing strut brackets must place before soldering lower landing gear brackets form brackets 031-in hard brass will necessary anneal metal Heat torch over burn er kitchen stove Quench water brass will softened bending brass work-hardens before bends completed re-anneal before An electric stove heat element will same job Lay part softened directly stove element heat until changes color quench water After assembling land ing gear fuselage bottom fuselage formers stringers planking can added Tail surfaces conventional construc tion base sheet balsa Ribs edges cemented add shape sheet balsa need extremely light weight too light wrinkles will eventually appear covering material happened Pixie could have used extra tail weight Miscellaneous Having made fiberglass en gine cowls number planes have found quickest method lay-up over foam core blue insulation foam best carving sanding shape Its disadvantage foam will dissolve polyester resin glass cloth must laid epoxy resin Carve sand foam block cowl shape making slightly undersize about 1/32-in will approximate thickness glass cloth layer two 6-oz cloth followed top layer /-oz cloth ease finishing foam core easily chipped out after epoxy hardens Any residue can melted away dope thinner acetone internal plywood baffle cowl serves two purposes directs incoming air over engine also used hold cowl place means single 4-40 machine screw threaded front lower engine mount baffle needs carefully fitted cowl certain proper level cowl kept secure ply bulkhead dowel near top Wheel pants made two blocks -in balsa tack-cemented together After carving sanding outside shape split blocks apart hollow inside accommodate wheels used Robart scale wheels Permanently cement hal ves cover outside /2-oz glass cloth resin Preferred windshield material 031-in acrylic Plexiglas butyrate sheet Shape windshield draping material over aluminum form kitchen oven 2500 F sheet aluminum litho-plate bent half cylinder plastic bal 134 Model Aviation SCALE DOCUMENTATION SCALE DRAWINGSPHOTOS BOOKLETS MODEL PLANS 9983 AIRPLANE cATAL~ 04 PAGES REPLA TECH INTERNAT ONAI 49600 MC KENZ 9 HW ViDA ORCGON 97498 PAWU DIESELS Englands Finest 049 29 New low low prices Send $100 list Eric Clutton 3816 DeSoto Ave Fort Myers Florida 22905 - IIcabby Horn Wing Span--Iti Wing Are 564 Sq SENSOAR glider HOBBY HORN Eaclssice HOBBY HORN Kit SENSOAR Glide- kit high quality kit Machine cut ed parts Select quality balsa spruce Detailed plans written instructions THERMAL SLOPE 05 ELECTRIC POWER VALUE PRICED Et 51600 E 0111 lt3R KflS Full Partsat lIsts P & W Semi Kits Cosbined full stripwood plan Now intl Wire Window etc Mat Note may purchased just semi kits ot plans--write colt pritna t936 Buceaneer94-$51 1939 Clipper MK l72$39 1937 Dalloire Bptsert98$6t 1949 Ranger- 46 $27 1939 Mereury-72-$56 1935 Miss AneriOa-94$59 1941 Playboy Jr54-S29 1941 Playboy Sr89$46 1939 Power llouse84-$43 t949 Saitplane-79 $74 1940 So Long50S28 1939 Trenton Terror-72-$32 1939 Zipper54S48 1939 Korda Wakefield-44 $17 MIDreAy MODEL CO een-ktts Cootbtned w/atrtp 1936 Flying Quaker-94-$49 1937 Quaker Plash-67539 1937 Long Cwbin-78$42 t937 Air Chief61-$49 STRUCKS 1940 74 Span 935 Sq Ier SEMI-KIT Plan lnclJ--533BB fluW ru oetbo Full Kit $6399 SCALS PLANS nd ORAWUNOB S55 HEINKEL HElOOD 62 65s $1099 scteescd AND HANDLINO no cage Up $899 add $110 $290 PP/lot Class $991 $2999 add $225 copy will Sent $2991 $4599 add $390 freewhen requested$4591 $7995 add $359 order over $7990 add $499 HOBBY HORN CA Addressees add 6% tax aehobby spwcialties5 Send 510 VisaIMC#Exp 15173 Moran Street [A Check allow up 30 PO Bow 2212 days check clearance Westminster Ca 92693 CODExact Charges 714 893-9311 Hdl Cash OnlytAll UPS 714 8951203 Gator RIC Products G P 3713 Pompano Dr Pensacola FL 32514 Phone AC 904 476-8639 ENGINE SLEEVE & BEARING PULLER Pull tight sleeves bearings easily Bearing Puller $695* SPECIAL * damage Cone cone expanding brass ring grips sleeve bearing ID new 60s 17MM rear bearing Bath $1395 NewNew WING TUBE & SOCKETS 1 dia aluminum alloy tubing plug-in wings Included pair ot special slip-tit phenolic sockets build wing-structure 2024 alum lobe 24 long socket 12 long set TIGER TAIL 4 Ron Chidgeys latest best series little larger lighter slower retains honest flight characteristics ot its predecessors Especially recommended sportsman advanced pattern also good choice turn around pattern Plans construction hints -$995 anced top curved surface few minuets oven will soften en abling conform metal shape cool retains shape first attempt doesnt result proper shape change curve form try again same piece plastic Repeat until shape obtained will fit fuselage top having stress plastic Epoxy will hold windshield place Wing struts functional model Pixie metal strut ends must securely fastened slots wood using pins epoxy wrap outer end brass fit ting around tube will require soft mate rial annealing described earlier Struts fitted airplane simple pro cedure assure wing fuselage properly aligned wing pin serted join wing fuselage wing inverted fuselage blocked up level position struts assembled fuselage mounting brackets outer ends Center-punch wing spars using bracket holes template making certain wing warped bent marking spars Use blocks support center section Drill 1/16-in diameter holes h-deep spars No 2 wood screws preference covering finishing silk dope because prototype Pixie has fabric cover dope finish ever material can applied Sig Kov erall takes dope well would satisfac tory heat-shrink substitute silk surfaces will touch silk given three heavy brushed coats dope silk applied wet overall except fiber glass cowl landing gear legs given four five brushed coats clear dope using enough thinner flow well areas silk cover balsa such planked areas fuselage wing leading edge filler needed pre vent balsa grain showing through covering use mixture talc unscented dope thinner filling balsa grain mixture should contain thinner dope ease sanding Too much talc will cause cracking surface may require two coats fill deep balsa grain Sand No 150 open-coat aluminum oxide paper being careful penetrate silk complete plane given two coats brushed clear dope quite thin seal talc point finish should smooth Color coats should ex pected mask blemishes Spray enough color cover silk Color dope copious quantities adds weight Flying Determine center gravity CG location balancing point shown drawing tail-heavy un likely situation batteries can shifted forward beneath fuel tank balance point shouldnt about 1/4 fore aft point shown easy flight handling Make certain wheels freerolling inside wheel pants model tracks straight Using bit upelevator keep tail wheel run way open throttle tail comes light relax up-elevator avoid early lift-off Rudder steering ground very effective Once air begin using aileron forget rudder large ailerons effective soon flying speed attained Rudder use ful near stall point Pixie surprisingly aerobatic al though prototype wasnt intended will axial rolls barrel roll realistic Spins possible require recommended upelevator travel As Scale models go Pixie easiest fly Enjoy yours AMA Building/Mankowski Continued oaqe 40 tic Richfield Co AT&T JE Baker Co. Ban kAmerica Foundation Barber-Colman Company Beatrice Foods Co Bernd Brecher & Assoc Inc Boeing Company Brake John Price Jones Inc Brown Group Inc Brunswick Corporation Bucyrus-Erie Company Bunge Corporation Butler Manu facturing Company Carter Hawley Hale Stores Inc Caterpillar Tractor Co Celanese Corporation Chase Manhattan Bank NA Chemical Bank Chubb & Son Inc Citicorp & Citibank Cities Service Company Coca-Cola Com pany COMSAT Connecticut General Corpor ation Consolidated Foods Corporation Con tinental Group Inc Continental litinois Na tional Bank & Trust Co Frederick W Cook & Co Inc Cooper Industries inc Corning Glass Works Inc CPC international Corp Dart & Kraft Inc Del Monte Deluxe Check Printers Inc Digital Equipment Corporation Emhart Corporation Ensign-BickfOrd Indus 136 Model Aviation -iYr NEW IMPROVED High Pert omiance Glow Element Blow Proof Seal Six Types 3 Heat Ranges Longer Life Only $120 Swanson Associates PO Box 151Since 7948 Wayne NJ 07470 See Dealer Order Direct Include 75 Per Item UPS
Edition: Model Aviation - 1983/06
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 38, 134, 136
NO OCR TEXT NO OCR TEXT 4 Wing struts fastened fuselage brackets 2-56 hex-heed screws proto type tranortation screws removed aileron devises disconnected wing pin extracted cabane struts museum workshop Hales Corners WI prototype built Burlington Airport after reached flying status Limbach engine visits odd parts shown drawings measured Dimen sions taken aluminum engine cowl nose bowl wheel pants Engine cowl made fiberglass cloth laid epoxy resin over foam core Foam re moved later bulkheads cememted inside 32 Model Aviation Fiberglass cowl Pixie model copied fiberglass nose bowl prototype full-size rixie has fiberglass whell pants Un model balsa fiberglass cloth covering help withstand abuse .e carved balsa dummy pilot rest plywood platform fastened rails cockpit Chin head top about 2 Wing struts model Pixie necessity because cabane struts pylon type Jury struts also functional Steel wire cabane struts anchored securely fuselage main load-carrying members Note leather-covered headrest Tail surtaces wire-braced model original Pixie logo hand painted oil colors blank decal paper MON PROMNFROM TIMEFONT7 ITLL OAZZJE UKO~ THE5 AVIONIC5EAST 0F ALBANY IF FLI6HT IN OURTRAVELAI YOU MORENDOPEP TO REAO ALLEE ME 70DONT KEEO MV NW LON6 RANGE20 cors OFrr DINATESWINDSHIEID CITATION P -I IINEUROPCLEAN _ONLY I/ZMI v7/o GEZ CANT R4D T-EN 16/- IMEANI-ALLIDO HALF ThEDSIN UP I5 NEL R/C IOEA9 5/32 ODTUBING ---75/BSOAILERON SPAR GUIDES WING PIN— /8 FILLETS / W7 1/8 PLYWOOD SFR JOINER AILERON LINKAGE N 3/32 SHEET CENTER SECTION ON W 6 /8 PLYWOOD SPAR JOINERS I/B M WIRE 1/16 PLYWOOD CABANE DECK CABANE / 1/8 BALSA COWUNG 1/8 STEEL PIN ANd-CR AT COWL REAR FIBERGLASS LAY UP COWL 40 ENGINE ON SIG MEDIUM MOUNT 4-40 SCREW TO ENGINE BEARER ARM SECURES COWL BAR I/8PLyWOOD COWL BAFFLE BELLCRANK 032 BRASS ONHARCIOOD STRIPS I/4PLYWOOD FIREWALL3/16 BALSA FILLWIRE BRACED WITH 5/32BRASSmBEATTACH FITTINGS IN ENDS F 3 1/16 PLYWOOD INI\ER SIDEI/8MUSIC WIREMWIRE032 BRASS TUBING BACKTO F5JURY STRUTS 031 BRASS LG CLIP TONTS2 3/4DIAWHEELS 1/8 BALSA PThWITH FLAT ENDS 3/32v STIFFENERS I/B FAIRING 1/4 9/32 HAJD BALSA CR SPRUCE BOSTS 3/325 3/16 BALSA OR SPRUCE DECK STRINGERS 3/32 SHEET BALSA IN CORE OF TAIL SURFACES 3/32 SQ RIBS ALL TAIL 1/4 X 9/32 HARD SPARS -l ELEVATOR HORN WIRE TO ELEVATORS RUDDER STEERED WHEEL BRACKET-SPRINGS ASSEM 3/16 SQ SPRUCE LOMERONS AND BRACES 3/32x 3/B FAIRLEAD FORWARD TO F4 1/4 X 9/16 BEVEL OVER AlL GAP ROBART HINGE NTI8I TE AND AILTE VWI 3/32SHEET WINGTIP I/8BALSA EDGE 3/16 SHEET BALSATOP/BOTOM LE 1/16 HARD REAR SPAR k I/4SQ HARD BALSA SPARS K TOP BOTTOM/ 3/32 BALSA ALL RIBS 1/2 SQ BALSA LEADING EDGE propeller spinner windshield head rest tail wheel control surface travel first assessment models aileron area appears disproportionately large almost full space 3 wide has caused no problems flight however rudder isnt required aileron turns really reason using Friese type ailerons aileron hinge line lo cated behind below leading edge merely copied design including offcenter bellcrank produces differential travel resulting up-aileron down Copying such features essence Scale modeling reward scalelike flight closely simulates original Pixie nose-heavy Scale model mostly because its weighty fiberglass engine cowl Another contributing factor its Ross twin 60 engine seems first power needed Actually modern Schnuerle 40 will easily out-perform Ross hauls weight 4 Ah Ni-Cd keep both glow plugs lighted reduced throttle Peter Chinns evaluation Ross sets its output 74 hp whereas modern 40 FOR SO B-DO SLRIE ROTS 4M K ROLES IV~i0I FOR FVE GRE III lAjOl CONROFl FOR GRO LOljjIj] 4 PLYWOOD FOR SO 4 40 SCREW COWL RAFFLE I/R PLYWOOD TO PIT WTEXIOR OF COWL SEE COWL SD VIEW FOR EGACT LOCATIOR 0 ROFPWAU4 SCALE PROPELLER LEFT RARE FOR URRACA ENGINE COW RA F E SEE ABOVE RP 40 ERR RE GROWN R DR 2lW\ISR MEDOM k-\IILfERRS MOOR WOOD I/S PLVWOOE READ Vl BFROST VIEW FROSTS REAR CARASE STRUTS IR MUSIC WIRE ESRISE CVWLFIRERGLASS LATUP IN I/R WA F2 IW PLYWOXO TI WIROSRIELD PATTERS 031 PLEXIGLAS OR SUTYRATE RAFFLE TO MATCX ERGIRE ROUST EROS --I __il DGDWGL ZR ORDER LAST RIM1 I/R DIA STEEL DOWEL PIN 11W PLYWOODF REAR IRK1 COWL FASTERED WITX SIRGLE SO 4-40 SCREW 032 BRASS Fl -WOE-SR VEX SCREW BALSA WXEEL PARTS COVER WITH FISEXOLASS CLOTR ARD REGIS ORRWA~ ~WRAP BRACKET AROUND G DIR OSOFT BRASS SHOCE CORD CUFFSDEl BALSA WACO LEATRER COVER FIT I/S RAL over 100 hp Any 40 ot oTher 60 engines will fly Pixie power spare Ross may ball-of-fire engine certainly looks pretty inside cowl addition 3 oz bar brass bolted fuselage bottom just forward tail wheel balance has brought Pix ies weight 7 lb 773 sq wing area Wing struts fastened spars brackets wood screws Cable bracing between struts copies full-scale practice non functional modeL Handmade aileron hinges copied prototype better made Robart Hinge Points 34 Model Aviation Plastic fill vent tubes trom tne ruel tank clamped t firewall White wires Ross Twins two glow plugs connect mini phone jack external glow battery Other wires go lack engine mount FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 F4 I/IN PLY 5/32 SIA WIRE TCUT TO FIT CARANE FR I/VRALSA FW 3/32 BALSA P11 3/32 BALSA P12 3/32 BALSA F13 3/32 BALSA I/R WA K311L PG I/B BALSA FT I/V BALSA INSTRUMENT PANEL 5/32 WA FRONT MWWGT I/C SIA NEAR MOUNT P14 1/4 BALSA/4 BASSWOOO FlU 3/32 BALSASERVO MOSINTS OIr WA CONTROL- LINE BRAIDES STEEL CABLE UDOEN BAR/ I/N PLYWOCOBUGGER CONTROL WIRE SYSTEM OLE TO FIT NO5 __I SOD SCREWI/IN US ALUMINUM TUBE-CRIMPES TIGHTLY RUSOER ROWN F3I/N BALSA FILL-INI/IN PLYWOOD 3/32 0 3/IN BALSA OR SPRUCE STRINGERS @1 0SOLDER TO NORN _____ ROD o A TAIL SPRING LEAVES U2SU 1/4 SPRING BRONZE 1/4 0 S/IN HANS BALSA I/IA BALSA EDGESSW SPRUCE I/BS 1/4 SPRUCE CORNER GUSSETS 020 ALUMINUM WING PIN 3/32 WA MUSIC WINEBRUOIIETS 7 ROOD 1It NO S-NO HES SCREWS SOLDERED WARDER -NETARANG SCREW SOLDER - MACE WIRES RUDDER BALANCE POINTAILERON GINGETRIANGULAR RELCRANR FORWANS ENS OF HEASNEST.AIL PUSUROS LEUTOER COVERED I/N CLAMPSSOFT BALSA5/32 MASS TUWIDORSAL FINRIBS- EACH GIBE/ FORWARDOINCINENCE S1/32 PLYWOOD GUSSETSSTRINGER-TAPERED F4I -/I I/N BALSA BALSA3/52WRABS BALSA. FLATTEN P23 F DD P21I/B SQUARE SPRSEE STIANGERSI/IA PLYWOOS I/N BALBA PLANNINGSPWRIN- APPROX OS TIWOB P00I/VS S/R PLYWOOD020 WA WIRE SPOD BALSAPINAi FINS/IN SQUARE SPRUCE LONGENUNS AND CROSS ES -- o-ALL INTERNAL CONNERS UP NOSE SECTOR 2 REOD S/SD WA BO 0 SM WA SECTN N-B VIEW PONWAIND mrries weight easily loading 21 Z per sq ft 40 power ess weighty cowl model shouldnt ex reed 6 lb 18 oz per sq ft loading model built prototype using Hoffmann left-hand propeller spinner currently using var iished wood prop no spinner nodel would authentic pinner some respects model different ileron pushrods Goldberg Mini Snap inks Rods connected bracket yard aileron hinges ailemn linkage hown true scale location June 1983 35 POBER PIXIE DESIGNED BY PAUL H POBEREZNY PRESIDENT EAW MODEL MW MANNING ST RON WIBEHER WINGSPAN 70WEIGIIT 7195 WING AREA 773 OGRE SCALE j- 24IFT F3 SE SIDES TWOOo BALSA RHEET drawings initially intended model should disassembled fit shipping box easy transport overseas contests minimum crate size tail surfaces removable fuse lage purpose used hex-head bolts scale size location fastening bolts pass through stabilizer leading edge cross member means /o-in gap under stabilizer also between fin stab duplicating gaps full-size Pixie drawings show gaps filled balsa spacers Pixie never used world com petition served back-up model Beryl Emeraude model also has bungee-type rubber shock absorbers under its landing gear cuffs weight 7 lb doubtful whether shock cords ever extended bad landing consider feature needless complication Servos mounted four row across fuselage bottom large Kraft 15 size room spare Smaller servos would suffice full-size Pixie 7 OW WA UOSTR0L-LINE CABLE RIGGAW WIRES 2 SSOj JUST STRUTS- SSt 00 BRASS TimE WRAP soo.eeNDS FLATTeNeD AND DRILLeD imS OIL oo BRASSPAR 0-SO MeN SCREWS SOO 00 BRASS TI S REOD P30 BALSA 9 SQUARE RIBS ITOP B BOTTOM 0-52 BALSA - SSALL DTLOA IIS SALS P5W SPRUOX L4DSS2 OARS BALSA OS SRBOCE SPARS /EPOGT BR GO E OR sat WA WIRE ELCOATOS COSSECTOS052 BRASS ailerons controlled rotating tube passes beneath pilots seat offset bellcrank rear Vertical pushrods op erate ailerons bellcrank provides aileron differential measured pro totype 3 up 2 down model o down linkage copied EAA drawings Exposed pushrods functional add scale realism Ailerons could also have operated servo mounted wing center section Elevator travel 1 rudder l-/o side center Construction prefer building wing first simplify fitting cabane struts spars flat-bottomed wing halves can built directly over drawing use hollowcore door flat building surface door purchased local lumber yard $7 because minor edge dam age Front spars can either hard balsa 36 Model Aviation Servos top bottom tar aileron rudder elevator throttle Rudder bar left has wire cables horn rudder Offset belicrank aileron behind Sta F5 Large 4Ah Ni-Cd glow heat controlled micro switch mounted above throttle servo bottom Flattened tread tail wheel accom plished holding coarse sandpaper against tire spinning lathe elec tric drill Hardware store springs absorb ground shocks avoid servo damage full-size Pixie uses round steel tubes its cabane struts streamlined tubes wing Wide cowl provides excellent cooling models engine FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 BA EU S WORE SCREWS ORAL POE TASSE STRUT SRACUETS 5 P15*1 ASSEMBLY 0 [1 WI/ 1W BALSA LOSE Sflt 03 ALISHIS rUSE S4 COBB Porn AILESGE WOISES INSERT AT ORT ASSLE SEE SECT A-A 14 SQUARE US SPRUCE PROST REARS SARO BALSA RIStMSto ST______ -2- CGCTROL UUCET IO 0 fr15 SALSAEUOLUOS U CA NASA BALSA OR SPRUCEREAR SPAR-CO SALSAUSf SMUtS RE 5MW SALSA S REAL St SQUARE BALSASOTCOES CLEAR 01555 TUBES -7-__ 11 17 ----------US lIDII AS JLAASECO-SPRUCE[jjS~fUSERSS IS w r. *5SCSi BALSA URECO L...POBER PIXIE LISt BALSASAS B BALSA B REAOtt PLTWOOO REAR SPAR JORSER ST SOS SISCOER SOEST S spruce Note upper spar beveled good fit balsa leading edge sheet scratch builders have table saw set blade 170 /2 sq balsa leading edge cut same angle its upper surface beveled balsa filler strip along trailing edge cut 230 None angles critical cuts can made carving X-acto blade bit sanding wind halves connected ply wood joiners full-size Pixie center section fuel tank covered aluminum sheet flat viewed front Location 3/32-in diameter holes joiners relative wing lower surface quite critical deter mines wing incidence angle smaller joiner laid top larger lower edges aligned exactly drill through both time making certain drill vertical An aluminum tube trapped tween two center-section ribs guide June 1983 37 --C--,II U SC USrS UEO SCREW B RUT.ZIRE S W B BUT CU SQUARE BALSA LEABISS EBBS--1.-C52 ALURISUS IISlIM SALSA TUP S SUTTOB KET 055 BIA I---Instrument panel full-size Pixie has basic requirements fair-weather flight day light picture next page full-size prototype Inserting wing pin assembly oper ation could difficult tube CLARK Y AIRFOIL 3X SIZE WING SPARSK 30 54 ALUMINUM LEADING EDGE" made aileron hinges brass tube brackets close simulation full-size AIRCRAFT FABRIC COVERED EXCEPT AS NOTED IIISTRINGERS L1l1I IIIIIIII METAL 1111FUEL FILLER CAP COWL HINGES FLL2 ~-FIBERGLA5S NOSE BOWL 2 DIHEDRAL 85 206 STREAMLINED LIFT STRUTS IIII 75 DIA CABANE STRUTS AILERON PUSHRODS 0 CD DIAMETER LEFT HAND ROTATION FOR VW ENGINE FIBERGLASS POBER PIXIE DESIGNED BY PAIL K POBEREZNY DRAWN BY BOB WISCHER practice drawing shows Robart Hinge Point hinges greatly simplify con struction However Robart hinges need lengthened inserting forward ends short stubs aluminum tube ex tending rear spar drawing specifies tube angle 200 exact angle isnt critical necessary get tube angles alike purpose make simple fixture such hardwood block drilled 200 Hold block against rear spar drilling 5/32-in diameter hole through fixture perfect alignment angles well hole locations above spar edge Pixie holes drilled finished wing using aileron hole location template Working carefully holes could have drilled spar before assembly will important slotted ribs ailerons aligned tubes free operation afterward Robart hinges epoxied tubes hinge points line Epoxy cyanoacry late cement CyA can used fasten tubes spar fuselage best made two sections stick portion aft cockpit has di agonal bracing duplicates structure prototype Refering Section A-A note bracing members thinner dimensions longerons avoid problem covering material adhering bracing means right left sides different bracing offset inside basic structure fuselage aft end built first forward fuselage sides 1/16 ply wood will need bent rather sharply Former F4 can done soaking Continued page 134 38 Model Aviation Fiberglass nose bowl formed aluminum sheet components Pixie engine cowl Note step fuselage bottom aluminum sheet meets fabric landing gear attachment point Tail surfaces have round wire bracing turnbuckles lower end Note large gap between f stabilizer upper surface PENNSYLVANIA AVENUE RADIO CONTROL SOCIETY SUPER SCALE 83 16th Annual Giant UAnd Sport Scale Contest featuring A RC s 1st Size Scale Fly-in * Sport Scale * Giant Scale Separate judging Giant * Fly-in Relaxation Non Competition Events * Awards 4th Place Competition * Free Refreshments Entrants * *SAILPLANE** launching equipment histartslwincheslaCCeS5orieS complete linelbest pricesltop quality send self-addressed stamped envelope cataloglinformatiOn RLF PRODUCTS R3 Box 178-V Peoli IN d764 Al 21 723-4310 issue portion about George Clapp misleading said has 71 appeals should have said has appeals Fairchild 7 Serious correction Recall two cartoons showed artwork used Texas Sailpianers intimidate Arkansas guys noted Alamo back door would no Texas Im hono rary Razorback Heres Don Chancey just short note give proper credit priceless Rembrandts earlier column sez Don resident com mercial artist current VP Monte Miller alias Killer Miller Monte did two cartoons printed several others Oh yes Alamo did indeed have back door used ran off hid northeast swampland known today Arkansas guys like know Aeromodeling gets technical quail Sunday July 3 1983 Floyd Benett Field Brooklyn New York Largest Controlled Air Park New York State Registration 830i 130 am Flying starts 830 am Entry Fee $10 Second Entry $7 Only first 100 accepted preregistry advised Contest Director Jerry Behrens 31-27 Healy Ave Far Rockaway NY 11691 212-337-6987 Bill Winter 4426 Altura Ct Fairfax VA 22030 Pober Pixie/Wiscer Continued oaqe 38 ammonia holding bent posi tion until dry Keeping mind will some spring-back sides should over-bent about 50% An alternative score outer ply along F4 former line crack plywood Epoxy will heal wound Assemble forward box sec tion Formers Fl F4 /4 balsa bottoms -in beveled balsa gussets Add 1/16 plywood top Splice fuselage aft end box section add Formers F5 F2 assembled basic fuselage structure temporarily fasten formed wire cabane struts soldered brass brackets dis tance between brackets must match di mension over outside surfaces wing spar joiners reason building wing first dimension vicinity 575 wing pin inserted its holes brackets pin should exactly parallel top sur face fuselage Re-melt solder necessary bring pin alignment adjustment controls wing incidence pin should also exactly fuse lage center line wing will right angles fuselage cabane struts can shifted sideways slightly alignment holding cabane struts alignment add Former F8 plywood block its base using epoxy front cabane bolted 1/16 ply wood fuselage top /x-in landing gear clamps diagonal cabane blocked /x ply strips behind Former F6 epoxy Before epoxy hardens check pin alignment once re-check spacing between brackets Pixie cabane struts round tubes stream lined Landing gear wire brass parts should completely soldered together before bolt ing assembly fuselage bottom Keep proper sequence mind sol dering example wing strut brackets must place before soldering lower landing gear brackets form brackets 031-in hard brass will necessary anneal metal Heat torch over burn er kitchen stove Quench water brass will softened bending brass work-hardens before bends completed re-anneal before An electric stove heat element will same job Lay part softened directly stove element heat until changes color quench water After assembling land ing gear fuselage bottom fuselage formers stringers planking can added Tail surfaces conventional construc tion base sheet balsa Ribs edges cemented add shape sheet balsa need extremely light weight too light wrinkles will eventually appear covering material happened Pixie could have used extra tail weight Miscellaneous Having made fiberglass en gine cowls number planes have found quickest method lay-up over foam core blue insulation foam best carving sanding shape Its disadvantage foam will dissolve polyester resin glass cloth must laid epoxy resin Carve sand foam block cowl shape making slightly undersize about 1/32-in will approximate thickness glass cloth layer two 6-oz cloth followed top layer /-oz cloth ease finishing foam core easily chipped out after epoxy hardens Any residue can melted away dope thinner acetone internal plywood baffle cowl serves two purposes directs incoming air over engine also used hold cowl place means single 4-40 machine screw threaded front lower engine mount baffle needs carefully fitted cowl certain proper level cowl kept secure ply bulkhead dowel near top Wheel pants made two blocks -in balsa tack-cemented together After carving sanding outside shape split blocks apart hollow inside accommodate wheels used Robart scale wheels Permanently cement hal ves cover outside /2-oz glass cloth resin Preferred windshield material 031-in acrylic Plexiglas butyrate sheet Shape windshield draping material over aluminum form kitchen oven 2500 F sheet aluminum litho-plate bent half cylinder plastic bal 134 Model Aviation SCALE DOCUMENTATION SCALE DRAWINGSPHOTOS BOOKLETS MODEL PLANS 9983 AIRPLANE cATAL~ 04 PAGES REPLA TECH INTERNAT ONAI 49600 MC KENZ 9 HW ViDA ORCGON 97498 PAWU DIESELS Englands Finest 049 29 New low low prices Send $100 list Eric Clutton 3816 DeSoto Ave Fort Myers Florida 22905 - IIcabby Horn Wing Span--Iti Wing Are 564 Sq SENSOAR glider HOBBY HORN Eaclssice HOBBY HORN Kit SENSOAR Glide- kit high quality kit Machine cut ed parts Select quality balsa spruce Detailed plans written instructions THERMAL SLOPE 05 ELECTRIC POWER VALUE PRICED Et 51600 E 0111 lt3R KflS Full Partsat lIsts P & W Semi Kits Cosbined full stripwood plan Now intl Wire Window etc Mat Note may purchased just semi kits ot plans--write colt pritna t936 Buceaneer94-$51 1939 Clipper MK l72$39 1937 Dalloire Bptsert98$6t 1949 Ranger- 46 $27 1939 Mereury-72-$56 1935 Miss AneriOa-94$59 1941 Playboy Jr54-S29 1941 Playboy Sr89$46 1939 Power llouse84-$43 t949 Saitplane-79 $74 1940 So Long50S28 1939 Trenton Terror-72-$32 1939 Zipper54S48 1939 Korda Wakefield-44 $17 MIDreAy MODEL CO een-ktts Cootbtned w/atrtp 1936 Flying Quaker-94-$49 1937 Quaker Plash-67539 1937 Long Cwbin-78$42 t937 Air Chief61-$49 STRUCKS 1940 74 Span 935 Sq Ier SEMI-KIT Plan lnclJ--533BB fluW ru oetbo Full Kit $6399 SCALS PLANS nd ORAWUNOB S55 HEINKEL HElOOD 62 65s $1099 scteescd AND HANDLINO no cage Up $899 add $110 $290 PP/lot Class $991 $2999 add $225 copy will Sent $2991 $4599 add $390 freewhen requested$4591 $7995 add $359 order over $7990 add $499 HOBBY HORN CA Addressees add 6% tax aehobby spwcialties5 Send 510 VisaIMC#Exp 15173 Moran Street [A Check allow up 30 PO Bow 2212 days check clearance Westminster Ca 92693 CODExact Charges 714 893-9311 Hdl Cash OnlytAll UPS 714 8951203 Gator RIC Products G P 3713 Pompano Dr Pensacola FL 32514 Phone AC 904 476-8639 ENGINE SLEEVE & BEARING PULLER Pull tight sleeves bearings easily Bearing Puller $695* SPECIAL * damage Cone cone expanding brass ring grips sleeve bearing ID new 60s 17MM rear bearing Bath $1395 NewNew WING TUBE & SOCKETS 1 dia aluminum alloy tubing plug-in wings Included pair ot special slip-tit phenolic sockets build wing-structure 2024 alum lobe 24 long socket 12 long set TIGER TAIL 4 Ron Chidgeys latest best series little larger lighter slower retains honest flight characteristics ot its predecessors Especially recommended sportsman advanced pattern also good choice turn around pattern Plans construction hints -$995 anced top curved surface few minuets oven will soften en abling conform metal shape cool retains shape first attempt doesnt result proper shape change curve form try again same piece plastic Repeat until shape obtained will fit fuselage top having stress plastic Epoxy will hold windshield place Wing struts functional model Pixie metal strut ends must securely fastened slots wood using pins epoxy wrap outer end brass fit ting around tube will require soft mate rial annealing described earlier Struts fitted airplane simple pro cedure assure wing fuselage properly aligned wing pin serted join wing fuselage wing inverted fuselage blocked up level position struts assembled fuselage mounting brackets outer ends Center-punch wing spars using bracket holes template making certain wing warped bent marking spars Use blocks support center section Drill 1/16-in diameter holes h-deep spars No 2 wood screws preference covering finishing silk dope because prototype Pixie has fabric cover dope finish ever material can applied Sig Kov erall takes dope well would satisfac tory heat-shrink substitute silk surfaces will touch silk given three heavy brushed coats dope silk applied wet overall except fiber glass cowl landing gear legs given four five brushed coats clear dope using enough thinner flow well areas silk cover balsa such planked areas fuselage wing leading edge filler needed pre vent balsa grain showing through covering use mixture talc unscented dope thinner filling balsa grain mixture should contain thinner dope ease sanding Too much talc will cause cracking surface may require two coats fill deep balsa grain Sand No 150 open-coat aluminum oxide paper being careful penetrate silk complete plane given two coats brushed clear dope quite thin seal talc point finish should smooth Color coats should ex pected mask blemishes Spray enough color cover silk Color dope copious quantities adds weight Flying Determine center gravity CG location balancing point shown drawing tail-heavy un likely situation batteries can shifted forward beneath fuel tank balance point shouldnt about 1/4 fore aft point shown easy flight handling Make certain wheels freerolling inside wheel pants model tracks straight Using bit upelevator keep tail wheel run way open throttle tail comes light relax up-elevator avoid early lift-off Rudder steering ground very effective Once air begin using aileron forget rudder large ailerons effective soon flying speed attained Rudder use ful near stall point Pixie surprisingly aerobatic al though prototype wasnt intended will axial rolls barrel roll realistic Spins possible require recommended upelevator travel As Scale models go Pixie easiest fly Enjoy yours AMA Building/Mankowski Continued oaqe 40 tic Richfield Co AT&T JE Baker Co. Ban kAmerica Foundation Barber-Colman Company Beatrice Foods Co Bernd Brecher & Assoc Inc Boeing Company Brake John Price Jones Inc Brown Group Inc Brunswick Corporation Bucyrus-Erie Company Bunge Corporation Butler Manu facturing Company Carter Hawley Hale Stores Inc Caterpillar Tractor Co Celanese Corporation Chase Manhattan Bank NA Chemical Bank Chubb & Son Inc Citicorp & Citibank Cities Service Company Coca-Cola Com pany COMSAT Connecticut General Corpor ation Consolidated Foods Corporation Con tinental Group Inc Continental litinois Na tional Bank & Trust Co Frederick W Cook & Co Inc Cooper Industries inc Corning Glass Works Inc CPC international Corp Dart & Kraft Inc Del Monte Deluxe Check Printers Inc Digital Equipment Corporation Emhart Corporation Ensign-BickfOrd Indus 136 Model Aviation -iYr NEW IMPROVED High Pert omiance Glow Element Blow Proof Seal Six Types 3 Heat Ranges Longer Life Only $120 Swanson Associates PO Box 151Since 7948 Wayne NJ 07470 See Dealer Order Direct Include 75 Per Item UPS
Edition: Model Aviation - 1983/06
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 38, 134, 136
NO OCR TEXT NO OCR TEXT 4 Wing struts fastened fuselage brackets 2-56 hex-heed screws proto type tranortation screws removed aileron devises disconnected wing pin extracted cabane struts museum workshop Hales Corners WI prototype built Burlington Airport after reached flying status Limbach engine visits odd parts shown drawings measured Dimen sions taken aluminum engine cowl nose bowl wheel pants Engine cowl made fiberglass cloth laid epoxy resin over foam core Foam re moved later bulkheads cememted inside 32 Model Aviation Fiberglass cowl Pixie model copied fiberglass nose bowl prototype full-size rixie has fiberglass whell pants Un model balsa fiberglass cloth covering help withstand abuse .e carved balsa dummy pilot rest plywood platform fastened rails cockpit Chin head top about 2 Wing struts model Pixie necessity because cabane struts pylon type Jury struts also functional Steel wire cabane struts anchored securely fuselage main load-carrying members Note leather-covered headrest Tail surtaces wire-braced model original Pixie logo hand painted oil colors blank decal paper MON PROMNFROM TIMEFONT7 ITLL OAZZJE UKO~ THE5 AVIONIC5EAST 0F ALBANY IF FLI6HT IN OURTRAVELAI YOU MORENDOPEP TO REAO ALLEE ME 70DONT KEEO MV NW LON6 RANGE20 cors OFrr DINATESWINDSHIEID CITATION P -I IINEUROPCLEAN _ONLY I/ZMI v7/o GEZ CANT R4D T-EN 16/- IMEANI-ALLIDO HALF ThEDSIN UP I5 NEL R/C IOEA9 5/32 ODTUBING ---75/BSOAILERON SPAR GUIDES WING PIN— /8 FILLETS / W7 1/8 PLYWOOD SFR JOINER AILERON LINKAGE N 3/32 SHEET CENTER SECTION ON W 6 /8 PLYWOOD SPAR JOINERS I/B M WIRE 1/16 PLYWOOD CABANE DECK CABANE / 1/8 BALSA COWUNG 1/8 STEEL PIN ANd-CR AT COWL REAR FIBERGLASS LAY UP COWL 40 ENGINE ON SIG MEDIUM MOUNT 4-40 SCREW TO ENGINE BEARER ARM SECURES COWL BAR I/8PLyWOOD COWL BAFFLE BELLCRANK 032 BRASS ONHARCIOOD STRIPS I/4PLYWOOD FIREWALL3/16 BALSA FILLWIRE BRACED WITH 5/32BRASSmBEATTACH FITTINGS IN ENDS F 3 1/16 PLYWOOD INI\ER SIDEI/8MUSIC WIREMWIRE032 BRASS TUBING BACKTO F5JURY STRUTS 031 BRASS LG CLIP TONTS2 3/4DIAWHEELS 1/8 BALSA PThWITH FLAT ENDS 3/32v STIFFENERS I/B FAIRING 1/4 9/32 HAJD BALSA CR SPRUCE BOSTS 3/325 3/16 BALSA OR SPRUCE DECK STRINGERS 3/32 SHEET BALSA IN CORE OF TAIL SURFACES 3/32 SQ RIBS ALL TAIL 1/4 X 9/32 HARD SPARS -l ELEVATOR HORN WIRE TO ELEVATORS RUDDER STEERED WHEEL BRACKET-SPRINGS ASSEM 3/16 SQ SPRUCE LOMERONS AND BRACES 3/32x 3/B FAIRLEAD FORWARD TO F4 1/4 X 9/16 BEVEL OVER AlL GAP ROBART HINGE NTI8I TE AND AILTE VWI 3/32SHEET WINGTIP I/8BALSA EDGE 3/16 SHEET BALSATOP/BOTOM LE 1/16 HARD REAR SPAR k I/4SQ HARD BALSA SPARS K TOP BOTTOM/ 3/32 BALSA ALL RIBS 1/2 SQ BALSA LEADING EDGE propeller spinner windshield head rest tail wheel control surface travel first assessment models aileron area appears disproportionately large almost full space 3 wide has caused no problems flight however rudder isnt required aileron turns really reason using Friese type ailerons aileron hinge line lo cated behind below leading edge merely copied design including offcenter bellcrank produces differential travel resulting up-aileron down Copying such features essence Scale modeling reward scalelike flight closely simulates original Pixie nose-heavy Scale model mostly because its weighty fiberglass engine cowl Another contributing factor its Ross twin 60 engine seems first power needed Actually modern Schnuerle 40 will easily out-perform Ross hauls weight 4 Ah Ni-Cd keep both glow plugs lighted reduced throttle Peter Chinns evaluation Ross sets its output 74 hp whereas modern 40 FOR SO B-DO SLRIE ROTS 4M K ROLES IV~i0I FOR FVE GRE III lAjOl CONROFl FOR GRO LOljjIj] 4 PLYWOOD FOR SO 4 40 SCREW COWL RAFFLE I/R PLYWOOD TO PIT WTEXIOR OF COWL SEE COWL SD VIEW FOR EGACT LOCATIOR 0 ROFPWAU4 SCALE PROPELLER LEFT RARE FOR URRACA ENGINE COW RA F E SEE ABOVE RP 40 ERR RE GROWN R DR 2lW\ISR MEDOM k-\IILfERRS MOOR WOOD I/S PLVWOOE READ Vl BFROST VIEW FROSTS REAR CARASE STRUTS IR MUSIC WIRE ESRISE CVWLFIRERGLASS LATUP IN I/R WA F2 IW PLYWOXO TI WIROSRIELD PATTERS 031 PLEXIGLAS OR SUTYRATE RAFFLE TO MATCX ERGIRE ROUST EROS --I __il DGDWGL ZR ORDER LAST RIM1 I/R DIA STEEL DOWEL PIN 11W PLYWOODF REAR IRK1 COWL FASTERED WITX SIRGLE SO 4-40 SCREW 032 BRASS Fl -WOE-SR VEX SCREW BALSA WXEEL PARTS COVER WITH FISEXOLASS CLOTR ARD REGIS ORRWA~ ~WRAP BRACKET AROUND G DIR OSOFT BRASS SHOCE CORD CUFFSDEl BALSA WACO LEATRER COVER FIT I/S RAL over 100 hp Any 40 ot oTher 60 engines will fly Pixie power spare Ross may ball-of-fire engine certainly looks pretty inside cowl addition 3 oz bar brass bolted fuselage bottom just forward tail wheel balance has brought Pix ies weight 7 lb 773 sq wing area Wing struts fastened spars brackets wood screws Cable bracing between struts copies full-scale practice non functional modeL Handmade aileron hinges copied prototype better made Robart Hinge Points 34 Model Aviation Plastic fill vent tubes trom tne ruel tank clamped t firewall White wires Ross Twins two glow plugs connect mini phone jack external glow battery Other wires go lack engine mount FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 F4 I/IN PLY 5/32 SIA WIRE TCUT TO FIT CARANE FR I/VRALSA FW 3/32 BALSA P11 3/32 BALSA P12 3/32 BALSA F13 3/32 BALSA I/R WA K311L PG I/B BALSA FT I/V BALSA INSTRUMENT PANEL 5/32 WA FRONT MWWGT I/C SIA NEAR MOUNT P14 1/4 BALSA/4 BASSWOOO FlU 3/32 BALSASERVO MOSINTS OIr WA CONTROL- LINE BRAIDES STEEL CABLE UDOEN BAR/ I/N PLYWOCOBUGGER CONTROL WIRE SYSTEM OLE TO FIT NO5 __I SOD SCREWI/IN US ALUMINUM TUBE-CRIMPES TIGHTLY RUSOER ROWN F3I/N BALSA FILL-INI/IN PLYWOOD 3/32 0 3/IN BALSA OR SPRUCE STRINGERS @1 0SOLDER TO NORN _____ ROD o A TAIL SPRING LEAVES U2SU 1/4 SPRING BRONZE 1/4 0 S/IN HANS BALSA I/IA BALSA EDGESSW SPRUCE I/BS 1/4 SPRUCE CORNER GUSSETS 020 ALUMINUM WING PIN 3/32 WA MUSIC WINEBRUOIIETS 7 ROOD 1It NO S-NO HES SCREWS SOLDERED WARDER -NETARANG SCREW SOLDER - MACE WIRES RUDDER BALANCE POINTAILERON GINGETRIANGULAR RELCRANR FORWANS ENS OF HEASNEST.AIL PUSUROS LEUTOER COVERED I/N CLAMPSSOFT BALSA5/32 MASS TUWIDORSAL FINRIBS- EACH GIBE/ FORWARDOINCINENCE S1/32 PLYWOOD GUSSETSSTRINGER-TAPERED F4I -/I I/N BALSA BALSA3/52WRABS BALSA. FLATTEN P23 F DD P21I/B SQUARE SPRSEE STIANGERSI/IA PLYWOOS I/N BALBA PLANNINGSPWRIN- APPROX OS TIWOB P00I/VS S/R PLYWOOD020 WA WIRE SPOD BALSAPINAi FINS/IN SQUARE SPRUCE LONGENUNS AND CROSS ES -- o-ALL INTERNAL CONNERS UP NOSE SECTOR 2 REOD S/SD WA BO 0 SM WA SECTN N-B VIEW PONWAIND mrries weight easily loading 21 Z per sq ft 40 power ess weighty cowl model shouldnt ex reed 6 lb 18 oz per sq ft loading model built prototype using Hoffmann left-hand propeller spinner currently using var iished wood prop no spinner nodel would authentic pinner some respects model different ileron pushrods Goldberg Mini Snap inks Rods connected bracket yard aileron hinges ailemn linkage hown true scale location June 1983 35 POBER PIXIE DESIGNED BY PAUL H POBEREZNY PRESIDENT EAW MODEL MW MANNING ST RON WIBEHER WINGSPAN 70WEIGIIT 7195 WING AREA 773 OGRE SCALE j- 24IFT F3 SE SIDES TWOOo BALSA RHEET drawings initially intended model should disassembled fit shipping box easy transport overseas contests minimum crate size tail surfaces removable fuse lage purpose used hex-head bolts scale size location fastening bolts pass through stabilizer leading edge cross member means /o-in gap under stabilizer also between fin stab duplicating gaps full-size Pixie drawings show gaps filled balsa spacers Pixie never used world com petition served back-up model Beryl Emeraude model also has bungee-type rubber shock absorbers under its landing gear cuffs weight 7 lb doubtful whether shock cords ever extended bad landing consider feature needless complication Servos mounted four row across fuselage bottom large Kraft 15 size room spare Smaller servos would suffice full-size Pixie 7 OW WA UOSTR0L-LINE CABLE RIGGAW WIRES 2 SSOj JUST STRUTS- SSt 00 BRASS TimE WRAP soo.eeNDS FLATTeNeD AND DRILLeD imS OIL oo BRASSPAR 0-SO MeN SCREWS SOO 00 BRASS TI S REOD P30 BALSA 9 SQUARE RIBS ITOP B BOTTOM 0-52 BALSA - SSALL DTLOA IIS SALS P5W SPRUOX L4DSS2 OARS BALSA OS SRBOCE SPARS /EPOGT BR GO E OR sat WA WIRE ELCOATOS COSSECTOS052 BRASS ailerons controlled rotating tube passes beneath pilots seat offset bellcrank rear Vertical pushrods op erate ailerons bellcrank provides aileron differential measured pro totype 3 up 2 down model o down linkage copied EAA drawings Exposed pushrods functional add scale realism Ailerons could also have operated servo mounted wing center section Elevator travel 1 rudder l-/o side center Construction prefer building wing first simplify fitting cabane struts spars flat-bottomed wing halves can built directly over drawing use hollowcore door flat building surface door purchased local lumber yard $7 because minor edge dam age Front spars can either hard balsa 36 Model Aviation Servos top bottom tar aileron rudder elevator throttle Rudder bar left has wire cables horn rudder Offset belicrank aileron behind Sta F5 Large 4Ah Ni-Cd glow heat controlled micro switch mounted above throttle servo bottom Flattened tread tail wheel accom plished holding coarse sandpaper against tire spinning lathe elec tric drill Hardware store springs absorb ground shocks avoid servo damage full-size Pixie uses round steel tubes its cabane struts streamlined tubes wing Wide cowl provides excellent cooling models engine FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 BA EU S WORE SCREWS ORAL POE TASSE STRUT SRACUETS 5 P15*1 ASSEMBLY 0 [1 WI/ 1W BALSA LOSE Sflt 03 ALISHIS rUSE S4 COBB Porn AILESGE WOISES INSERT AT ORT ASSLE SEE SECT A-A 14 SQUARE US SPRUCE PROST REARS SARO BALSA RIStMSto ST______ -2- CGCTROL UUCET IO 0 fr15 SALSAEUOLUOS U CA NASA BALSA OR SPRUCEREAR SPAR-CO SALSAUSf SMUtS RE 5MW SALSA S REAL St SQUARE BALSASOTCOES CLEAR 01555 TUBES -7-__ 11 17 ----------US lIDII AS JLAASECO-SPRUCE[jjS~fUSERSS IS w r. *5SCSi BALSA URECO L...POBER PIXIE LISt BALSASAS B BALSA B REAOtt PLTWOOO REAR SPAR JORSER ST SOS SISCOER SOEST S spruce Note upper spar beveled good fit balsa leading edge sheet scratch builders have table saw set blade 170 /2 sq balsa leading edge cut same angle its upper surface beveled balsa filler strip along trailing edge cut 230 None angles critical cuts can made carving X-acto blade bit sanding wind halves connected ply wood joiners full-size Pixie center section fuel tank covered aluminum sheet flat viewed front Location 3/32-in diameter holes joiners relative wing lower surface quite critical deter mines wing incidence angle smaller joiner laid top larger lower edges aligned exactly drill through both time making certain drill vertical An aluminum tube trapped tween two center-section ribs guide June 1983 37 --C--,II U SC USrS UEO SCREW B RUT.ZIRE S W B BUT CU SQUARE BALSA LEABISS EBBS--1.-C52 ALURISUS IISlIM SALSA TUP S SUTTOB KET 055 BIA I---Instrument panel full-size Pixie has basic requirements fair-weather flight day light picture next page full-size prototype Inserting wing pin assembly oper ation could difficult tube CLARK Y AIRFOIL 3X SIZE WING SPARSK 30 54 ALUMINUM LEADING EDGE" made aileron hinges brass tube brackets close simulation full-size AIRCRAFT FABRIC COVERED EXCEPT AS NOTED IIISTRINGERS L1l1I IIIIIIII METAL 1111FUEL FILLER CAP COWL HINGES FLL2 ~-FIBERGLA5S NOSE BOWL 2 DIHEDRAL 85 206 STREAMLINED LIFT STRUTS IIII 75 DIA CABANE STRUTS AILERON PUSHRODS 0 CD DIAMETER LEFT HAND ROTATION FOR VW ENGINE FIBERGLASS POBER PIXIE DESIGNED BY PAIL K POBEREZNY DRAWN BY BOB WISCHER practice drawing shows Robart Hinge Point hinges greatly simplify con struction However Robart hinges need lengthened inserting forward ends short stubs aluminum tube ex tending rear spar drawing specifies tube angle 200 exact angle isnt critical necessary get tube angles alike purpose make simple fixture such hardwood block drilled 200 Hold block against rear spar drilling 5/32-in diameter hole through fixture perfect alignment angles well hole locations above spar edge Pixie holes drilled finished wing using aileron hole location template Working carefully holes could have drilled spar before assembly will important slotted ribs ailerons aligned tubes free operation afterward Robart hinges epoxied tubes hinge points line Epoxy cyanoacry late cement CyA can used fasten tubes spar fuselage best made two sections stick portion aft cockpit has di agonal bracing duplicates structure prototype Refering Section A-A note bracing members thinner dimensions longerons avoid problem covering material adhering bracing means right left sides different bracing offset inside basic structure fuselage aft end built first forward fuselage sides 1/16 ply wood will need bent rather sharply Former F4 can done soaking Continued page 134 38 Model Aviation Fiberglass nose bowl formed aluminum sheet components Pixie engine cowl Note step fuselage bottom aluminum sheet meets fabric landing gear attachment point Tail surfaces have round wire bracing turnbuckles lower end Note large gap between f stabilizer upper surface PENNSYLVANIA AVENUE RADIO CONTROL SOCIETY SUPER SCALE 83 16th Annual Giant UAnd Sport Scale Contest featuring A RC s 1st Size Scale Fly-in * Sport Scale * Giant Scale Separate judging Giant * Fly-in Relaxation Non Competition Events * Awards 4th Place Competition * Free Refreshments Entrants * *SAILPLANE** launching equipment histartslwincheslaCCeS5orieS complete linelbest pricesltop quality send self-addressed stamped envelope cataloglinformatiOn RLF PRODUCTS R3 Box 178-V Peoli IN d764 Al 21 723-4310 issue portion about George Clapp misleading said has 71 appeals should have said has appeals Fairchild 7 Serious correction Recall two cartoons showed artwork used Texas Sailpianers intimidate Arkansas guys noted Alamo back door would no Texas Im hono rary Razorback Heres Don Chancey just short note give proper credit priceless Rembrandts earlier column sez Don resident com mercial artist current VP Monte Miller alias Killer Miller Monte did two cartoons printed several others Oh yes Alamo did indeed have back door used ran off hid northeast swampland known today Arkansas guys like know Aeromodeling gets technical quail Sunday July 3 1983 Floyd Benett Field Brooklyn New York Largest Controlled Air Park New York State Registration 830i 130 am Flying starts 830 am Entry Fee $10 Second Entry $7 Only first 100 accepted preregistry advised Contest Director Jerry Behrens 31-27 Healy Ave Far Rockaway NY 11691 212-337-6987 Bill Winter 4426 Altura Ct Fairfax VA 22030 Pober Pixie/Wiscer Continued oaqe 38 ammonia holding bent posi tion until dry Keeping mind will some spring-back sides should over-bent about 50% An alternative score outer ply along F4 former line crack plywood Epoxy will heal wound Assemble forward box sec tion Formers Fl F4 /4 balsa bottoms -in beveled balsa gussets Add 1/16 plywood top Splice fuselage aft end box section add Formers F5 F2 assembled basic fuselage structure temporarily fasten formed wire cabane struts soldered brass brackets dis tance between brackets must match di mension over outside surfaces wing spar joiners reason building wing first dimension vicinity 575 wing pin inserted its holes brackets pin should exactly parallel top sur face fuselage Re-melt solder necessary bring pin alignment adjustment controls wing incidence pin should also exactly fuse lage center line wing will right angles fuselage cabane struts can shifted sideways slightly alignment holding cabane struts alignment add Former F8 plywood block its base using epoxy front cabane bolted 1/16 ply wood fuselage top /x-in landing gear clamps diagonal cabane blocked /x ply strips behind Former F6 epoxy Before epoxy hardens check pin alignment once re-check spacing between brackets Pixie cabane struts round tubes stream lined Landing gear wire brass parts should completely soldered together before bolt ing assembly fuselage bottom Keep proper sequence mind sol dering example wing strut brackets must place before soldering lower landing gear brackets form brackets 031-in hard brass will necessary anneal metal Heat torch over burn er kitchen stove Quench water brass will softened bending brass work-hardens before bends completed re-anneal before An electric stove heat element will same job Lay part softened directly stove element heat until changes color quench water After assembling land ing gear fuselage bottom fuselage formers stringers planking can added Tail surfaces conventional construc tion base sheet balsa Ribs edges cemented add shape sheet balsa need extremely light weight too light wrinkles will eventually appear covering material happened Pixie could have used extra tail weight Miscellaneous Having made fiberglass en gine cowls number planes have found quickest method lay-up over foam core blue insulation foam best carving sanding shape Its disadvantage foam will dissolve polyester resin glass cloth must laid epoxy resin Carve sand foam block cowl shape making slightly undersize about 1/32-in will approximate thickness glass cloth layer two 6-oz cloth followed top layer /-oz cloth ease finishing foam core easily chipped out after epoxy hardens Any residue can melted away dope thinner acetone internal plywood baffle cowl serves two purposes directs incoming air over engine also used hold cowl place means single 4-40 machine screw threaded front lower engine mount baffle needs carefully fitted cowl certain proper level cowl kept secure ply bulkhead dowel near top Wheel pants made two blocks -in balsa tack-cemented together After carving sanding outside shape split blocks apart hollow inside accommodate wheels used Robart scale wheels Permanently cement hal ves cover outside /2-oz glass cloth resin Preferred windshield material 031-in acrylic Plexiglas butyrate sheet Shape windshield draping material over aluminum form kitchen oven 2500 F sheet aluminum litho-plate bent half cylinder plastic bal 134 Model Aviation SCALE DOCUMENTATION SCALE DRAWINGSPHOTOS BOOKLETS MODEL PLANS 9983 AIRPLANE cATAL~ 04 PAGES REPLA TECH INTERNAT ONAI 49600 MC KENZ 9 HW ViDA ORCGON 97498 PAWU DIESELS Englands Finest 049 29 New low low prices Send $100 list Eric Clutton 3816 DeSoto Ave Fort Myers Florida 22905 - IIcabby Horn Wing Span--Iti Wing Are 564 Sq SENSOAR glider HOBBY HORN Eaclssice HOBBY HORN Kit SENSOAR Glide- kit high quality kit Machine cut ed parts Select quality balsa spruce Detailed plans written instructions THERMAL SLOPE 05 ELECTRIC POWER VALUE PRICED Et 51600 E 0111 lt3R KflS Full Partsat lIsts P & W Semi Kits Cosbined full stripwood plan Now intl Wire Window etc Mat Note may purchased just semi kits ot plans--write colt pritna t936 Buceaneer94-$51 1939 Clipper MK l72$39 1937 Dalloire Bptsert98$6t 1949 Ranger- 46 $27 1939 Mereury-72-$56 1935 Miss AneriOa-94$59 1941 Playboy Jr54-S29 1941 Playboy Sr89$46 1939 Power llouse84-$43 t949 Saitplane-79 $74 1940 So Long50S28 1939 Trenton Terror-72-$32 1939 Zipper54S48 1939 Korda Wakefield-44 $17 MIDreAy MODEL CO een-ktts Cootbtned w/atrtp 1936 Flying Quaker-94-$49 1937 Quaker Plash-67539 1937 Long Cwbin-78$42 t937 Air Chief61-$49 STRUCKS 1940 74 Span 935 Sq Ier SEMI-KIT Plan lnclJ--533BB fluW ru oetbo Full Kit $6399 SCALS PLANS nd ORAWUNOB S55 HEINKEL HElOOD 62 65s $1099 scteescd AND HANDLINO no cage Up $899 add $110 $290 PP/lot Class $991 $2999 add $225 copy will Sent $2991 $4599 add $390 freewhen requested$4591 $7995 add $359 order over $7990 add $499 HOBBY HORN CA Addressees add 6% tax aehobby spwcialties5 Send 510 VisaIMC#Exp 15173 Moran Street [A Check allow up 30 PO Bow 2212 days check clearance Westminster Ca 92693 CODExact Charges 714 893-9311 Hdl Cash OnlytAll UPS 714 8951203 Gator RIC Products G P 3713 Pompano Dr Pensacola FL 32514 Phone AC 904 476-8639 ENGINE SLEEVE & BEARING PULLER Pull tight sleeves bearings easily Bearing Puller $695* SPECIAL * damage Cone cone expanding brass ring grips sleeve bearing ID new 60s 17MM rear bearing Bath $1395 NewNew WING TUBE & SOCKETS 1 dia aluminum alloy tubing plug-in wings Included pair ot special slip-tit phenolic sockets build wing-structure 2024 alum lobe 24 long socket 12 long set TIGER TAIL 4 Ron Chidgeys latest best series little larger lighter slower retains honest flight characteristics ot its predecessors Especially recommended sportsman advanced pattern also good choice turn around pattern Plans construction hints -$995 anced top curved surface few minuets oven will soften en abling conform metal shape cool retains shape first attempt doesnt result proper shape change curve form try again same piece plastic Repeat until shape obtained will fit fuselage top having stress plastic Epoxy will hold windshield place Wing struts functional model Pixie metal strut ends must securely fastened slots wood using pins epoxy wrap outer end brass fit ting around tube will require soft mate rial annealing described earlier Struts fitted airplane simple pro cedure assure wing fuselage properly aligned wing pin serted join wing fuselage wing inverted fuselage blocked up level position struts assembled fuselage mounting brackets outer ends Center-punch wing spars using bracket holes template making certain wing warped bent marking spars Use blocks support center section Drill 1/16-in diameter holes h-deep spars No 2 wood screws preference covering finishing silk dope because prototype Pixie has fabric cover dope finish ever material can applied Sig Kov erall takes dope well would satisfac tory heat-shrink substitute silk surfaces will touch silk given three heavy brushed coats dope silk applied wet overall except fiber glass cowl landing gear legs given four five brushed coats clear dope using enough thinner flow well areas silk cover balsa such planked areas fuselage wing leading edge filler needed pre vent balsa grain showing through covering use mixture talc unscented dope thinner filling balsa grain mixture should contain thinner dope ease sanding Too much talc will cause cracking surface may require two coats fill deep balsa grain Sand No 150 open-coat aluminum oxide paper being careful penetrate silk complete plane given two coats brushed clear dope quite thin seal talc point finish should smooth Color coats should ex pected mask blemishes Spray enough color cover silk Color dope copious quantities adds weight Flying Determine center gravity CG location balancing point shown drawing tail-heavy un likely situation batteries can shifted forward beneath fuel tank balance point shouldnt about 1/4 fore aft point shown easy flight handling Make certain wheels freerolling inside wheel pants model tracks straight Using bit upelevator keep tail wheel run way open throttle tail comes light relax up-elevator avoid early lift-off Rudder steering ground very effective Once air begin using aileron forget rudder large ailerons effective soon flying speed attained Rudder use ful near stall point Pixie surprisingly aerobatic al though prototype wasnt intended will axial rolls barrel roll realistic Spins possible require recommended upelevator travel As Scale models go Pixie easiest fly Enjoy yours AMA Building/Mankowski Continued oaqe 40 tic Richfield Co AT&T JE Baker Co. Ban kAmerica Foundation Barber-Colman Company Beatrice Foods Co Bernd Brecher & Assoc Inc Boeing Company Brake John Price Jones Inc Brown Group Inc Brunswick Corporation Bucyrus-Erie Company Bunge Corporation Butler Manu facturing Company Carter Hawley Hale Stores Inc Caterpillar Tractor Co Celanese Corporation Chase Manhattan Bank NA Chemical Bank Chubb & Son Inc Citicorp & Citibank Cities Service Company Coca-Cola Com pany COMSAT Connecticut General Corpor ation Consolidated Foods Corporation Con tinental Group Inc Continental litinois Na tional Bank & Trust Co Frederick W Cook & Co Inc Cooper Industries inc Corning Glass Works Inc CPC international Corp Dart & Kraft Inc Del Monte Deluxe Check Printers Inc Digital Equipment Corporation Emhart Corporation Ensign-BickfOrd Indus 136 Model Aviation -iYr NEW IMPROVED High Pert omiance Glow Element Blow Proof Seal Six Types 3 Heat Ranges Longer Life Only $120 Swanson Associates PO Box 151Since 7948 Wayne NJ 07470 See Dealer Order Direct Include 75 Per Item UPS
Edition: Model Aviation - 1983/06
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 38, 134, 136
NO OCR TEXT NO OCR TEXT 4 Wing struts fastened fuselage brackets 2-56 hex-heed screws proto type tranortation screws removed aileron devises disconnected wing pin extracted cabane struts museum workshop Hales Corners WI prototype built Burlington Airport after reached flying status Limbach engine visits odd parts shown drawings measured Dimen sions taken aluminum engine cowl nose bowl wheel pants Engine cowl made fiberglass cloth laid epoxy resin over foam core Foam re moved later bulkheads cememted inside 32 Model Aviation Fiberglass cowl Pixie model copied fiberglass nose bowl prototype full-size rixie has fiberglass whell pants Un model balsa fiberglass cloth covering help withstand abuse .e carved balsa dummy pilot rest plywood platform fastened rails cockpit Chin head top about 2 Wing struts model Pixie necessity because cabane struts pylon type Jury struts also functional Steel wire cabane struts anchored securely fuselage main load-carrying members Note leather-covered headrest Tail surtaces wire-braced model original Pixie logo hand painted oil colors blank decal paper MON PROMNFROM TIMEFONT7 ITLL OAZZJE UKO~ THE5 AVIONIC5EAST 0F ALBANY IF FLI6HT IN OURTRAVELAI YOU MORENDOPEP TO REAO ALLEE ME 70DONT KEEO MV NW LON6 RANGE20 cors OFrr DINATESWINDSHIEID CITATION P -I IINEUROPCLEAN _ONLY I/ZMI v7/o GEZ CANT R4D T-EN 16/- IMEANI-ALLIDO HALF ThEDSIN UP I5 NEL R/C IOEA9 5/32 ODTUBING ---75/BSOAILERON SPAR GUIDES WING PIN— /8 FILLETS / W7 1/8 PLYWOOD SFR JOINER AILERON LINKAGE N 3/32 SHEET CENTER SECTION ON W 6 /8 PLYWOOD SPAR JOINERS I/B M WIRE 1/16 PLYWOOD CABANE DECK CABANE / 1/8 BALSA COWUNG 1/8 STEEL PIN ANd-CR AT COWL REAR FIBERGLASS LAY UP COWL 40 ENGINE ON SIG MEDIUM MOUNT 4-40 SCREW TO ENGINE BEARER ARM SECURES COWL BAR I/8PLyWOOD COWL BAFFLE BELLCRANK 032 BRASS ONHARCIOOD STRIPS I/4PLYWOOD FIREWALL3/16 BALSA FILLWIRE BRACED WITH 5/32BRASSmBEATTACH FITTINGS IN ENDS F 3 1/16 PLYWOOD INI\ER SIDEI/8MUSIC WIREMWIRE032 BRASS TUBING BACKTO F5JURY STRUTS 031 BRASS LG CLIP TONTS2 3/4DIAWHEELS 1/8 BALSA PThWITH FLAT ENDS 3/32v STIFFENERS I/B FAIRING 1/4 9/32 HAJD BALSA CR SPRUCE BOSTS 3/325 3/16 BALSA OR SPRUCE DECK STRINGERS 3/32 SHEET BALSA IN CORE OF TAIL SURFACES 3/32 SQ RIBS ALL TAIL 1/4 X 9/32 HARD SPARS -l ELEVATOR HORN WIRE TO ELEVATORS RUDDER STEERED WHEEL BRACKET-SPRINGS ASSEM 3/16 SQ SPRUCE LOMERONS AND BRACES 3/32x 3/B FAIRLEAD FORWARD TO F4 1/4 X 9/16 BEVEL OVER AlL GAP ROBART HINGE NTI8I TE AND AILTE VWI 3/32SHEET WINGTIP I/8BALSA EDGE 3/16 SHEET BALSATOP/BOTOM LE 1/16 HARD REAR SPAR k I/4SQ HARD BALSA SPARS K TOP BOTTOM/ 3/32 BALSA ALL RIBS 1/2 SQ BALSA LEADING EDGE propeller spinner windshield head rest tail wheel control surface travel first assessment models aileron area appears disproportionately large almost full space 3 wide has caused no problems flight however rudder isnt required aileron turns really reason using Friese type ailerons aileron hinge line lo cated behind below leading edge merely copied design including offcenter bellcrank produces differential travel resulting up-aileron down Copying such features essence Scale modeling reward scalelike flight closely simulates original Pixie nose-heavy Scale model mostly because its weighty fiberglass engine cowl Another contributing factor its Ross twin 60 engine seems first power needed Actually modern Schnuerle 40 will easily out-perform Ross hauls weight 4 Ah Ni-Cd keep both glow plugs lighted reduced throttle Peter Chinns evaluation Ross sets its output 74 hp whereas modern 40 FOR SO B-DO SLRIE ROTS 4M K ROLES IV~i0I FOR FVE GRE III lAjOl CONROFl FOR GRO LOljjIj] 4 PLYWOOD FOR SO 4 40 SCREW COWL RAFFLE I/R PLYWOOD TO PIT WTEXIOR OF COWL SEE COWL SD VIEW FOR EGACT LOCATIOR 0 ROFPWAU4 SCALE PROPELLER LEFT RARE FOR URRACA ENGINE COW RA F E SEE ABOVE RP 40 ERR RE GROWN R DR 2lW\ISR MEDOM k-\IILfERRS MOOR WOOD I/S PLVWOOE READ Vl BFROST VIEW FROSTS REAR CARASE STRUTS IR MUSIC WIRE ESRISE CVWLFIRERGLASS LATUP IN I/R WA F2 IW PLYWOXO TI WIROSRIELD PATTERS 031 PLEXIGLAS OR SUTYRATE RAFFLE TO MATCX ERGIRE ROUST EROS --I __il DGDWGL ZR ORDER LAST RIM1 I/R DIA STEEL DOWEL PIN 11W PLYWOODF REAR IRK1 COWL FASTERED WITX SIRGLE SO 4-40 SCREW 032 BRASS Fl -WOE-SR VEX SCREW BALSA WXEEL PARTS COVER WITH FISEXOLASS CLOTR ARD REGIS ORRWA~ ~WRAP BRACKET AROUND G DIR OSOFT BRASS SHOCE CORD CUFFSDEl BALSA WACO LEATRER COVER FIT I/S RAL over 100 hp Any 40 ot oTher 60 engines will fly Pixie power spare Ross may ball-of-fire engine certainly looks pretty inside cowl addition 3 oz bar brass bolted fuselage bottom just forward tail wheel balance has brought Pix ies weight 7 lb 773 sq wing area Wing struts fastened spars brackets wood screws Cable bracing between struts copies full-scale practice non functional modeL Handmade aileron hinges copied prototype better made Robart Hinge Points 34 Model Aviation Plastic fill vent tubes trom tne ruel tank clamped t firewall White wires Ross Twins two glow plugs connect mini phone jack external glow battery Other wires go lack engine mount FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 F4 I/IN PLY 5/32 SIA WIRE TCUT TO FIT CARANE FR I/VRALSA FW 3/32 BALSA P11 3/32 BALSA P12 3/32 BALSA F13 3/32 BALSA I/R WA K311L PG I/B BALSA FT I/V BALSA INSTRUMENT PANEL 5/32 WA FRONT MWWGT I/C SIA NEAR MOUNT P14 1/4 BALSA/4 BASSWOOO FlU 3/32 BALSASERVO MOSINTS OIr WA CONTROL- LINE BRAIDES STEEL CABLE UDOEN BAR/ I/N PLYWOCOBUGGER CONTROL WIRE SYSTEM OLE TO FIT NO5 __I SOD SCREWI/IN US ALUMINUM TUBE-CRIMPES TIGHTLY RUSOER ROWN F3I/N BALSA FILL-INI/IN PLYWOOD 3/32 0 3/IN BALSA OR SPRUCE STRINGERS @1 0SOLDER TO NORN _____ ROD o A TAIL SPRING LEAVES U2SU 1/4 SPRING BRONZE 1/4 0 S/IN HANS BALSA I/IA BALSA EDGESSW SPRUCE I/BS 1/4 SPRUCE CORNER GUSSETS 020 ALUMINUM WING PIN 3/32 WA MUSIC WINEBRUOIIETS 7 ROOD 1It NO S-NO HES SCREWS SOLDERED WARDER -NETARANG SCREW SOLDER - MACE WIRES RUDDER BALANCE POINTAILERON GINGETRIANGULAR RELCRANR FORWANS ENS OF HEASNEST.AIL PUSUROS LEUTOER COVERED I/N CLAMPSSOFT BALSA5/32 MASS TUWIDORSAL FINRIBS- EACH GIBE/ FORWARDOINCINENCE S1/32 PLYWOOD GUSSETSSTRINGER-TAPERED F4I -/I I/N BALSA BALSA3/52WRABS BALSA. FLATTEN P23 F DD P21I/B SQUARE SPRSEE STIANGERSI/IA PLYWOOS I/N BALBA PLANNINGSPWRIN- APPROX OS TIWOB P00I/VS S/R PLYWOOD020 WA WIRE SPOD BALSAPINAi FINS/IN SQUARE SPRUCE LONGENUNS AND CROSS ES -- o-ALL INTERNAL CONNERS UP NOSE SECTOR 2 REOD S/SD WA BO 0 SM WA SECTN N-B VIEW PONWAIND mrries weight easily loading 21 Z per sq ft 40 power ess weighty cowl model shouldnt ex reed 6 lb 18 oz per sq ft loading model built prototype using Hoffmann left-hand propeller spinner currently using var iished wood prop no spinner nodel would authentic pinner some respects model different ileron pushrods Goldberg Mini Snap inks Rods connected bracket yard aileron hinges ailemn linkage hown true scale location June 1983 35 POBER PIXIE DESIGNED BY PAUL H POBEREZNY PRESIDENT EAW MODEL MW MANNING ST RON WIBEHER WINGSPAN 70WEIGIIT 7195 WING AREA 773 OGRE SCALE j- 24IFT F3 SE SIDES TWOOo BALSA RHEET drawings initially intended model should disassembled fit shipping box easy transport overseas contests minimum crate size tail surfaces removable fuse lage purpose used hex-head bolts scale size location fastening bolts pass through stabilizer leading edge cross member means /o-in gap under stabilizer also between fin stab duplicating gaps full-size Pixie drawings show gaps filled balsa spacers Pixie never used world com petition served back-up model Beryl Emeraude model also has bungee-type rubber shock absorbers under its landing gear cuffs weight 7 lb doubtful whether shock cords ever extended bad landing consider feature needless complication Servos mounted four row across fuselage bottom large Kraft 15 size room spare Smaller servos would suffice full-size Pixie 7 OW WA UOSTR0L-LINE CABLE RIGGAW WIRES 2 SSOj JUST STRUTS- SSt 00 BRASS TimE WRAP soo.eeNDS FLATTeNeD AND DRILLeD imS OIL oo BRASSPAR 0-SO MeN SCREWS SOO 00 BRASS TI S REOD P30 BALSA 9 SQUARE RIBS ITOP B BOTTOM 0-52 BALSA - SSALL DTLOA IIS SALS P5W SPRUOX L4DSS2 OARS BALSA OS SRBOCE SPARS /EPOGT BR GO E OR sat WA WIRE ELCOATOS COSSECTOS052 BRASS ailerons controlled rotating tube passes beneath pilots seat offset bellcrank rear Vertical pushrods op erate ailerons bellcrank provides aileron differential measured pro totype 3 up 2 down model o down linkage copied EAA drawings Exposed pushrods functional add scale realism Ailerons could also have operated servo mounted wing center section Elevator travel 1 rudder l-/o side center Construction prefer building wing first simplify fitting cabane struts spars flat-bottomed wing halves can built directly over drawing use hollowcore door flat building surface door purchased local lumber yard $7 because minor edge dam age Front spars can either hard balsa 36 Model Aviation Servos top bottom tar aileron rudder elevator throttle Rudder bar left has wire cables horn rudder Offset belicrank aileron behind Sta F5 Large 4Ah Ni-Cd glow heat controlled micro switch mounted above throttle servo bottom Flattened tread tail wheel accom plished holding coarse sandpaper against tire spinning lathe elec tric drill Hardware store springs absorb ground shocks avoid servo damage full-size Pixie uses round steel tubes its cabane struts streamlined tubes wing Wide cowl provides excellent cooling models engine FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 BA EU S WORE SCREWS ORAL POE TASSE STRUT SRACUETS 5 P15*1 ASSEMBLY 0 [1 WI/ 1W BALSA LOSE Sflt 03 ALISHIS rUSE S4 COBB Porn AILESGE WOISES INSERT AT ORT ASSLE SEE SECT A-A 14 SQUARE US SPRUCE PROST REARS SARO BALSA RIStMSto ST______ -2- CGCTROL UUCET IO 0 fr15 SALSAEUOLUOS U CA NASA BALSA OR SPRUCEREAR SPAR-CO SALSAUSf SMUtS RE 5MW SALSA S REAL St SQUARE BALSASOTCOES CLEAR 01555 TUBES -7-__ 11 17 ----------US lIDII AS JLAASECO-SPRUCE[jjS~fUSERSS IS w r. *5SCSi BALSA URECO L...POBER PIXIE LISt BALSASAS B BALSA B REAOtt PLTWOOO REAR SPAR JORSER ST SOS SISCOER SOEST S spruce Note upper spar beveled good fit balsa leading edge sheet scratch builders have table saw set blade 170 /2 sq balsa leading edge cut same angle its upper surface beveled balsa filler strip along trailing edge cut 230 None angles critical cuts can made carving X-acto blade bit sanding wind halves connected ply wood joiners full-size Pixie center section fuel tank covered aluminum sheet flat viewed front Location 3/32-in diameter holes joiners relative wing lower surface quite critical deter mines wing incidence angle smaller joiner laid top larger lower edges aligned exactly drill through both time making certain drill vertical An aluminum tube trapped tween two center-section ribs guide June 1983 37 --C--,II U SC USrS UEO SCREW B RUT.ZIRE S W B BUT CU SQUARE BALSA LEABISS EBBS--1.-C52 ALURISUS IISlIM SALSA TUP S SUTTOB KET 055 BIA I---Instrument panel full-size Pixie has basic requirements fair-weather flight day light picture next page full-size prototype Inserting wing pin assembly oper ation could difficult tube CLARK Y AIRFOIL 3X SIZE WING SPARSK 30 54 ALUMINUM LEADING EDGE" made aileron hinges brass tube brackets close simulation full-size AIRCRAFT FABRIC COVERED EXCEPT AS NOTED IIISTRINGERS L1l1I IIIIIIII METAL 1111FUEL FILLER CAP COWL HINGES FLL2 ~-FIBERGLA5S NOSE BOWL 2 DIHEDRAL 85 206 STREAMLINED LIFT STRUTS IIII 75 DIA CABANE STRUTS AILERON PUSHRODS 0 CD DIAMETER LEFT HAND ROTATION FOR VW ENGINE FIBERGLASS POBER PIXIE DESIGNED BY PAIL K POBEREZNY DRAWN BY BOB WISCHER practice drawing shows Robart Hinge Point hinges greatly simplify con struction However Robart hinges need lengthened inserting forward ends short stubs aluminum tube ex tending rear spar drawing specifies tube angle 200 exact angle isnt critical necessary get tube angles alike purpose make simple fixture such hardwood block drilled 200 Hold block against rear spar drilling 5/32-in diameter hole through fixture perfect alignment angles well hole locations above spar edge Pixie holes drilled finished wing using aileron hole location template Working carefully holes could have drilled spar before assembly will important slotted ribs ailerons aligned tubes free operation afterward Robart hinges epoxied tubes hinge points line Epoxy cyanoacry late cement CyA can used fasten tubes spar fuselage best made two sections stick portion aft cockpit has di agonal bracing duplicates structure prototype Refering Section A-A note bracing members thinner dimensions longerons avoid problem covering material adhering bracing means right left sides different bracing offset inside basic structure fuselage aft end built first forward fuselage sides 1/16 ply wood will need bent rather sharply Former F4 can done soaking Continued page 134 38 Model Aviation Fiberglass nose bowl formed aluminum sheet components Pixie engine cowl Note step fuselage bottom aluminum sheet meets fabric landing gear attachment point Tail surfaces have round wire bracing turnbuckles lower end Note large gap between f stabilizer upper surface PENNSYLVANIA AVENUE RADIO CONTROL SOCIETY SUPER SCALE 83 16th Annual Giant UAnd Sport Scale Contest featuring A RC s 1st Size Scale Fly-in * Sport Scale * Giant Scale Separate judging Giant * Fly-in Relaxation Non Competition Events * Awards 4th Place Competition * Free Refreshments Entrants * *SAILPLANE** launching equipment histartslwincheslaCCeS5orieS complete linelbest pricesltop quality send self-addressed stamped envelope cataloglinformatiOn RLF PRODUCTS R3 Box 178-V Peoli IN d764 Al 21 723-4310 issue portion about George Clapp misleading said has 71 appeals should have said has appeals Fairchild 7 Serious correction Recall two cartoons showed artwork used Texas Sailpianers intimidate Arkansas guys noted Alamo back door would no Texas Im hono rary Razorback Heres Don Chancey just short note give proper credit priceless Rembrandts earlier column sez Don resident com mercial artist current VP Monte Miller alias Killer Miller Monte did two cartoons printed several others Oh yes Alamo did indeed have back door used ran off hid northeast swampland known today Arkansas guys like know Aeromodeling gets technical quail Sunday July 3 1983 Floyd Benett Field Brooklyn New York Largest Controlled Air Park New York State Registration 830i 130 am Flying starts 830 am Entry Fee $10 Second Entry $7 Only first 100 accepted preregistry advised Contest Director Jerry Behrens 31-27 Healy Ave Far Rockaway NY 11691 212-337-6987 Bill Winter 4426 Altura Ct Fairfax VA 22030 Pober Pixie/Wiscer Continued oaqe 38 ammonia holding bent posi tion until dry Keeping mind will some spring-back sides should over-bent about 50% An alternative score outer ply along F4 former line crack plywood Epoxy will heal wound Assemble forward box sec tion Formers Fl F4 /4 balsa bottoms -in beveled balsa gussets Add 1/16 plywood top Splice fuselage aft end box section add Formers F5 F2 assembled basic fuselage structure temporarily fasten formed wire cabane struts soldered brass brackets dis tance between brackets must match di mension over outside surfaces wing spar joiners reason building wing first dimension vicinity 575 wing pin inserted its holes brackets pin should exactly parallel top sur face fuselage Re-melt solder necessary bring pin alignment adjustment controls wing incidence pin should also exactly fuse lage center line wing will right angles fuselage cabane struts can shifted sideways slightly alignment holding cabane struts alignment add Former F8 plywood block its base using epoxy front cabane bolted 1/16 ply wood fuselage top /x-in landing gear clamps diagonal cabane blocked /x ply strips behind Former F6 epoxy Before epoxy hardens check pin alignment once re-check spacing between brackets Pixie cabane struts round tubes stream lined Landing gear wire brass parts should completely soldered together before bolt ing assembly fuselage bottom Keep proper sequence mind sol dering example wing strut brackets must place before soldering lower landing gear brackets form brackets 031-in hard brass will necessary anneal metal Heat torch over burn er kitchen stove Quench water brass will softened bending brass work-hardens before bends completed re-anneal before An electric stove heat element will same job Lay part softened directly stove element heat until changes color quench water After assembling land ing gear fuselage bottom fuselage formers stringers planking can added Tail surfaces conventional construc tion base sheet balsa Ribs edges cemented add shape sheet balsa need extremely light weight too light wrinkles will eventually appear covering material happened Pixie could have used extra tail weight Miscellaneous Having made fiberglass en gine cowls number planes have found quickest method lay-up over foam core blue insulation foam best carving sanding shape Its disadvantage foam will dissolve polyester resin glass cloth must laid epoxy resin Carve sand foam block cowl shape making slightly undersize about 1/32-in will approximate thickness glass cloth layer two 6-oz cloth followed top layer /-oz cloth ease finishing foam core easily chipped out after epoxy hardens Any residue can melted away dope thinner acetone internal plywood baffle cowl serves two purposes directs incoming air over engine also used hold cowl place means single 4-40 machine screw threaded front lower engine mount baffle needs carefully fitted cowl certain proper level cowl kept secure ply bulkhead dowel near top Wheel pants made two blocks -in balsa tack-cemented together After carving sanding outside shape split blocks apart hollow inside accommodate wheels used Robart scale wheels Permanently cement hal ves cover outside /2-oz glass cloth resin Preferred windshield material 031-in acrylic Plexiglas butyrate sheet Shape windshield draping material over aluminum form kitchen oven 2500 F sheet aluminum litho-plate bent half cylinder plastic bal 134 Model Aviation SCALE DOCUMENTATION SCALE DRAWINGSPHOTOS BOOKLETS MODEL PLANS 9983 AIRPLANE cATAL~ 04 PAGES REPLA TECH INTERNAT ONAI 49600 MC KENZ 9 HW ViDA ORCGON 97498 PAWU DIESELS Englands Finest 049 29 New low low prices Send $100 list Eric Clutton 3816 DeSoto Ave Fort Myers Florida 22905 - IIcabby Horn Wing Span--Iti Wing Are 564 Sq SENSOAR glider HOBBY HORN Eaclssice HOBBY HORN Kit SENSOAR Glide- kit high quality kit Machine cut ed parts Select quality balsa spruce Detailed plans written instructions THERMAL SLOPE 05 ELECTRIC POWER VALUE PRICED Et 51600 E 0111 lt3R KflS Full Partsat lIsts P & W Semi Kits Cosbined full stripwood plan Now intl Wire Window etc Mat Note may purchased just semi kits ot plans--write colt pritna t936 Buceaneer94-$51 1939 Clipper MK l72$39 1937 Dalloire Bptsert98$6t 1949 Ranger- 46 $27 1939 Mereury-72-$56 1935 Miss AneriOa-94$59 1941 Playboy Jr54-S29 1941 Playboy Sr89$46 1939 Power llouse84-$43 t949 Saitplane-79 $74 1940 So Long50S28 1939 Trenton Terror-72-$32 1939 Zipper54S48 1939 Korda Wakefield-44 $17 MIDreAy MODEL CO een-ktts Cootbtned w/atrtp 1936 Flying Quaker-94-$49 1937 Quaker Plash-67539 1937 Long Cwbin-78$42 t937 Air Chief61-$49 STRUCKS 1940 74 Span 935 Sq Ier SEMI-KIT Plan lnclJ--533BB fluW ru oetbo Full Kit $6399 SCALS PLANS nd ORAWUNOB S55 HEINKEL HElOOD 62 65s $1099 scteescd AND HANDLINO no cage Up $899 add $110 $290 PP/lot Class $991 $2999 add $225 copy will Sent $2991 $4599 add $390 freewhen requested$4591 $7995 add $359 order over $7990 add $499 HOBBY HORN CA Addressees add 6% tax aehobby spwcialties5 Send 510 VisaIMC#Exp 15173 Moran Street [A Check allow up 30 PO Bow 2212 days check clearance Westminster Ca 92693 CODExact Charges 714 893-9311 Hdl Cash OnlytAll UPS 714 8951203 Gator RIC Products G P 3713 Pompano Dr Pensacola FL 32514 Phone AC 904 476-8639 ENGINE SLEEVE & BEARING PULLER Pull tight sleeves bearings easily Bearing Puller $695* SPECIAL * damage Cone cone expanding brass ring grips sleeve bearing ID new 60s 17MM rear bearing Bath $1395 NewNew WING TUBE & SOCKETS 1 dia aluminum alloy tubing plug-in wings Included pair ot special slip-tit phenolic sockets build wing-structure 2024 alum lobe 24 long socket 12 long set TIGER TAIL 4 Ron Chidgeys latest best series little larger lighter slower retains honest flight characteristics ot its predecessors Especially recommended sportsman advanced pattern also good choice turn around pattern Plans construction hints -$995 anced top curved surface few minuets oven will soften en abling conform metal shape cool retains shape first attempt doesnt result proper shape change curve form try again same piece plastic Repeat until shape obtained will fit fuselage top having stress plastic Epoxy will hold windshield place Wing struts functional model Pixie metal strut ends must securely fastened slots wood using pins epoxy wrap outer end brass fit ting around tube will require soft mate rial annealing described earlier Struts fitted airplane simple pro cedure assure wing fuselage properly aligned wing pin serted join wing fuselage wing inverted fuselage blocked up level position struts assembled fuselage mounting brackets outer ends Center-punch wing spars using bracket holes template making certain wing warped bent marking spars Use blocks support center section Drill 1/16-in diameter holes h-deep spars No 2 wood screws preference covering finishing silk dope because prototype Pixie has fabric cover dope finish ever material can applied Sig Kov erall takes dope well would satisfac tory heat-shrink substitute silk surfaces will touch silk given three heavy brushed coats dope silk applied wet overall except fiber glass cowl landing gear legs given four five brushed coats clear dope using enough thinner flow well areas silk cover balsa such planked areas fuselage wing leading edge filler needed pre vent balsa grain showing through covering use mixture talc unscented dope thinner filling balsa grain mixture should contain thinner dope ease sanding Too much talc will cause cracking surface may require two coats fill deep balsa grain Sand No 150 open-coat aluminum oxide paper being careful penetrate silk complete plane given two coats brushed clear dope quite thin seal talc point finish should smooth Color coats should ex pected mask blemishes Spray enough color cover silk Color dope copious quantities adds weight Flying Determine center gravity CG location balancing point shown drawing tail-heavy un likely situation batteries can shifted forward beneath fuel tank balance point shouldnt about 1/4 fore aft point shown easy flight handling Make certain wheels freerolling inside wheel pants model tracks straight Using bit upelevator keep tail wheel run way open throttle tail comes light relax up-elevator avoid early lift-off Rudder steering ground very effective Once air begin using aileron forget rudder large ailerons effective soon flying speed attained Rudder use ful near stall point Pixie surprisingly aerobatic al though prototype wasnt intended will axial rolls barrel roll realistic Spins possible require recommended upelevator travel As Scale models go Pixie easiest fly Enjoy yours AMA Building/Mankowski Continued oaqe 40 tic Richfield Co AT&T JE Baker Co. Ban kAmerica Foundation Barber-Colman Company Beatrice Foods Co Bernd Brecher & Assoc Inc Boeing Company Brake John Price Jones Inc Brown Group Inc Brunswick Corporation Bucyrus-Erie Company Bunge Corporation Butler Manu facturing Company Carter Hawley Hale Stores Inc Caterpillar Tractor Co Celanese Corporation Chase Manhattan Bank NA Chemical Bank Chubb & Son Inc Citicorp & Citibank Cities Service Company Coca-Cola Com pany COMSAT Connecticut General Corpor ation Consolidated Foods Corporation Con tinental Group Inc Continental litinois Na tional Bank & Trust Co Frederick W Cook & Co Inc Cooper Industries inc Corning Glass Works Inc CPC international Corp Dart & Kraft Inc Del Monte Deluxe Check Printers Inc Digital Equipment Corporation Emhart Corporation Ensign-BickfOrd Indus 136 Model Aviation -iYr NEW IMPROVED High Pert omiance Glow Element Blow Proof Seal Six Types 3 Heat Ranges Longer Life Only $120 Swanson Associates PO Box 151Since 7948 Wayne NJ 07470 See Dealer Order Direct Include 75 Per Item UPS
Edition: Model Aviation - 1983/06
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 38, 134, 136
NO OCR TEXT NO OCR TEXT 4 Wing struts fastened fuselage brackets 2-56 hex-heed screws proto type tranortation screws removed aileron devises disconnected wing pin extracted cabane struts museum workshop Hales Corners WI prototype built Burlington Airport after reached flying status Limbach engine visits odd parts shown drawings measured Dimen sions taken aluminum engine cowl nose bowl wheel pants Engine cowl made fiberglass cloth laid epoxy resin over foam core Foam re moved later bulkheads cememted inside 32 Model Aviation Fiberglass cowl Pixie model copied fiberglass nose bowl prototype full-size rixie has fiberglass whell pants Un model balsa fiberglass cloth covering help withstand abuse .e carved balsa dummy pilot rest plywood platform fastened rails cockpit Chin head top about 2 Wing struts model Pixie necessity because cabane struts pylon type Jury struts also functional Steel wire cabane struts anchored securely fuselage main load-carrying members Note leather-covered headrest Tail surtaces wire-braced model original Pixie logo hand painted oil colors blank decal paper MON PROMNFROM TIMEFONT7 ITLL OAZZJE UKO~ THE5 AVIONIC5EAST 0F ALBANY IF FLI6HT IN OURTRAVELAI YOU MORENDOPEP TO REAO ALLEE ME 70DONT KEEO MV NW LON6 RANGE20 cors OFrr DINATESWINDSHIEID CITATION P -I IINEUROPCLEAN _ONLY I/ZMI v7/o GEZ CANT R4D T-EN 16/- IMEANI-ALLIDO HALF ThEDSIN UP I5 NEL R/C IOEA9 5/32 ODTUBING ---75/BSOAILERON SPAR GUIDES WING PIN— /8 FILLETS / W7 1/8 PLYWOOD SFR JOINER AILERON LINKAGE N 3/32 SHEET CENTER SECTION ON W 6 /8 PLYWOOD SPAR JOINERS I/B M WIRE 1/16 PLYWOOD CABANE DECK CABANE / 1/8 BALSA COWUNG 1/8 STEEL PIN ANd-CR AT COWL REAR FIBERGLASS LAY UP COWL 40 ENGINE ON SIG MEDIUM MOUNT 4-40 SCREW TO ENGINE BEARER ARM SECURES COWL BAR I/8PLyWOOD COWL BAFFLE BELLCRANK 032 BRASS ONHARCIOOD STRIPS I/4PLYWOOD FIREWALL3/16 BALSA FILLWIRE BRACED WITH 5/32BRASSmBEATTACH FITTINGS IN ENDS F 3 1/16 PLYWOOD INI\ER SIDEI/8MUSIC WIREMWIRE032 BRASS TUBING BACKTO F5JURY STRUTS 031 BRASS LG CLIP TONTS2 3/4DIAWHEELS 1/8 BALSA PThWITH FLAT ENDS 3/32v STIFFENERS I/B FAIRING 1/4 9/32 HAJD BALSA CR SPRUCE BOSTS 3/325 3/16 BALSA OR SPRUCE DECK STRINGERS 3/32 SHEET BALSA IN CORE OF TAIL SURFACES 3/32 SQ RIBS ALL TAIL 1/4 X 9/32 HARD SPARS -l ELEVATOR HORN WIRE TO ELEVATORS RUDDER STEERED WHEEL BRACKET-SPRINGS ASSEM 3/16 SQ SPRUCE LOMERONS AND BRACES 3/32x 3/B FAIRLEAD FORWARD TO F4 1/4 X 9/16 BEVEL OVER AlL GAP ROBART HINGE NTI8I TE AND AILTE VWI 3/32SHEET WINGTIP I/8BALSA EDGE 3/16 SHEET BALSATOP/BOTOM LE 1/16 HARD REAR SPAR k I/4SQ HARD BALSA SPARS K TOP BOTTOM/ 3/32 BALSA ALL RIBS 1/2 SQ BALSA LEADING EDGE propeller spinner windshield head rest tail wheel control surface travel first assessment models aileron area appears disproportionately large almost full space 3 wide has caused no problems flight however rudder isnt required aileron turns really reason using Friese type ailerons aileron hinge line lo cated behind below leading edge merely copied design including offcenter bellcrank produces differential travel resulting up-aileron down Copying such features essence Scale modeling reward scalelike flight closely simulates original Pixie nose-heavy Scale model mostly because its weighty fiberglass engine cowl Another contributing factor its Ross twin 60 engine seems first power needed Actually modern Schnuerle 40 will easily out-perform Ross hauls weight 4 Ah Ni-Cd keep both glow plugs lighted reduced throttle Peter Chinns evaluation Ross sets its output 74 hp whereas modern 40 FOR SO B-DO SLRIE ROTS 4M K ROLES IV~i0I FOR FVE GRE III lAjOl CONROFl FOR GRO LOljjIj] 4 PLYWOOD FOR SO 4 40 SCREW COWL RAFFLE I/R PLYWOOD TO PIT WTEXIOR OF COWL SEE COWL SD VIEW FOR EGACT LOCATIOR 0 ROFPWAU4 SCALE PROPELLER LEFT RARE FOR URRACA ENGINE COW RA F E SEE ABOVE RP 40 ERR RE GROWN R DR 2lW\ISR MEDOM k-\IILfERRS MOOR WOOD I/S PLVWOOE READ Vl BFROST VIEW FROSTS REAR CARASE STRUTS IR MUSIC WIRE ESRISE CVWLFIRERGLASS LATUP IN I/R WA F2 IW PLYWOXO TI WIROSRIELD PATTERS 031 PLEXIGLAS OR SUTYRATE RAFFLE TO MATCX ERGIRE ROUST EROS --I __il DGDWGL ZR ORDER LAST RIM1 I/R DIA STEEL DOWEL PIN 11W PLYWOODF REAR IRK1 COWL FASTERED WITX SIRGLE SO 4-40 SCREW 032 BRASS Fl -WOE-SR VEX SCREW BALSA WXEEL PARTS COVER WITH FISEXOLASS CLOTR ARD REGIS ORRWA~ ~WRAP BRACKET AROUND G DIR OSOFT BRASS SHOCE CORD CUFFSDEl BALSA WACO LEATRER COVER FIT I/S RAL over 100 hp Any 40 ot oTher 60 engines will fly Pixie power spare Ross may ball-of-fire engine certainly looks pretty inside cowl addition 3 oz bar brass bolted fuselage bottom just forward tail wheel balance has brought Pix ies weight 7 lb 773 sq wing area Wing struts fastened spars brackets wood screws Cable bracing between struts copies full-scale practice non functional modeL Handmade aileron hinges copied prototype better made Robart Hinge Points 34 Model Aviation Plastic fill vent tubes trom tne ruel tank clamped t firewall White wires Ross Twins two glow plugs connect mini phone jack external glow battery Other wires go lack engine mount FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 F4 I/IN PLY 5/32 SIA WIRE TCUT TO FIT CARANE FR I/VRALSA FW 3/32 BALSA P11 3/32 BALSA P12 3/32 BALSA F13 3/32 BALSA I/R WA K311L PG I/B BALSA FT I/V BALSA INSTRUMENT PANEL 5/32 WA FRONT MWWGT I/C SIA NEAR MOUNT P14 1/4 BALSA/4 BASSWOOO FlU 3/32 BALSASERVO MOSINTS OIr WA CONTROL- LINE BRAIDES STEEL CABLE UDOEN BAR/ I/N PLYWOCOBUGGER CONTROL WIRE SYSTEM OLE TO FIT NO5 __I SOD SCREWI/IN US ALUMINUM TUBE-CRIMPES TIGHTLY RUSOER ROWN F3I/N BALSA FILL-INI/IN PLYWOOD 3/32 0 3/IN BALSA OR SPRUCE STRINGERS @1 0SOLDER TO NORN _____ ROD o A TAIL SPRING LEAVES U2SU 1/4 SPRING BRONZE 1/4 0 S/IN HANS BALSA I/IA BALSA EDGESSW SPRUCE I/BS 1/4 SPRUCE CORNER GUSSETS 020 ALUMINUM WING PIN 3/32 WA MUSIC WINEBRUOIIETS 7 ROOD 1It NO S-NO HES SCREWS SOLDERED WARDER -NETARANG SCREW SOLDER - MACE WIRES RUDDER BALANCE POINTAILERON GINGETRIANGULAR RELCRANR FORWANS ENS OF HEASNEST.AIL PUSUROS LEUTOER COVERED I/N CLAMPSSOFT BALSA5/32 MASS TUWIDORSAL FINRIBS- EACH GIBE/ FORWARDOINCINENCE S1/32 PLYWOOD GUSSETSSTRINGER-TAPERED F4I -/I I/N BALSA BALSA3/52WRABS BALSA. FLATTEN P23 F DD P21I/B SQUARE SPRSEE STIANGERSI/IA PLYWOOS I/N BALBA PLANNINGSPWRIN- APPROX OS TIWOB P00I/VS S/R PLYWOOD020 WA WIRE SPOD BALSAPINAi FINS/IN SQUARE SPRUCE LONGENUNS AND CROSS ES -- o-ALL INTERNAL CONNERS UP NOSE SECTOR 2 REOD S/SD WA BO 0 SM WA SECTN N-B VIEW PONWAIND mrries weight easily loading 21 Z per sq ft 40 power ess weighty cowl model shouldnt ex reed 6 lb 18 oz per sq ft loading model built prototype using Hoffmann left-hand propeller spinner currently using var iished wood prop no spinner nodel would authentic pinner some respects model different ileron pushrods Goldberg Mini Snap inks Rods connected bracket yard aileron hinges ailemn linkage hown true scale location June 1983 35 POBER PIXIE DESIGNED BY PAUL H POBEREZNY PRESIDENT EAW MODEL MW MANNING ST RON WIBEHER WINGSPAN 70WEIGIIT 7195 WING AREA 773 OGRE SCALE j- 24IFT F3 SE SIDES TWOOo BALSA RHEET drawings initially intended model should disassembled fit shipping box easy transport overseas contests minimum crate size tail surfaces removable fuse lage purpose used hex-head bolts scale size location fastening bolts pass through stabilizer leading edge cross member means /o-in gap under stabilizer also between fin stab duplicating gaps full-size Pixie drawings show gaps filled balsa spacers Pixie never used world com petition served back-up model Beryl Emeraude model also has bungee-type rubber shock absorbers under its landing gear cuffs weight 7 lb doubtful whether shock cords ever extended bad landing consider feature needless complication Servos mounted four row across fuselage bottom large Kraft 15 size room spare Smaller servos would suffice full-size Pixie 7 OW WA UOSTR0L-LINE CABLE RIGGAW WIRES 2 SSOj JUST STRUTS- SSt 00 BRASS TimE WRAP soo.eeNDS FLATTeNeD AND DRILLeD imS OIL oo BRASSPAR 0-SO MeN SCREWS SOO 00 BRASS TI S REOD P30 BALSA 9 SQUARE RIBS ITOP B BOTTOM 0-52 BALSA - SSALL DTLOA IIS SALS P5W SPRUOX L4DSS2 OARS BALSA OS SRBOCE SPARS /EPOGT BR GO E OR sat WA WIRE ELCOATOS COSSECTOS052 BRASS ailerons controlled rotating tube passes beneath pilots seat offset bellcrank rear Vertical pushrods op erate ailerons bellcrank provides aileron differential measured pro totype 3 up 2 down model o down linkage copied EAA drawings Exposed pushrods functional add scale realism Ailerons could also have operated servo mounted wing center section Elevator travel 1 rudder l-/o side center Construction prefer building wing first simplify fitting cabane struts spars flat-bottomed wing halves can built directly over drawing use hollowcore door flat building surface door purchased local lumber yard $7 because minor edge dam age Front spars can either hard balsa 36 Model Aviation Servos top bottom tar aileron rudder elevator throttle Rudder bar left has wire cables horn rudder Offset belicrank aileron behind Sta F5 Large 4Ah Ni-Cd glow heat controlled micro switch mounted above throttle servo bottom Flattened tread tail wheel accom plished holding coarse sandpaper against tire spinning lathe elec tric drill Hardware store springs absorb ground shocks avoid servo damage full-size Pixie uses round steel tubes its cabane struts streamlined tubes wing Wide cowl provides excellent cooling models engine FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 BA EU S WORE SCREWS ORAL POE TASSE STRUT SRACUETS 5 P15*1 ASSEMBLY 0 [1 WI/ 1W BALSA LOSE Sflt 03 ALISHIS rUSE S4 COBB Porn AILESGE WOISES INSERT AT ORT ASSLE SEE SECT A-A 14 SQUARE US SPRUCE PROST REARS SARO BALSA RIStMSto ST______ -2- CGCTROL UUCET IO 0 fr15 SALSAEUOLUOS U CA NASA BALSA OR SPRUCEREAR SPAR-CO SALSAUSf SMUtS RE 5MW SALSA S REAL St SQUARE BALSASOTCOES CLEAR 01555 TUBES -7-__ 11 17 ----------US lIDII AS JLAASECO-SPRUCE[jjS~fUSERSS IS w r. *5SCSi BALSA URECO L...POBER PIXIE LISt BALSASAS B BALSA B REAOtt PLTWOOO REAR SPAR JORSER ST SOS SISCOER SOEST S spruce Note upper spar beveled good fit balsa leading edge sheet scratch builders have table saw set blade 170 /2 sq balsa leading edge cut same angle its upper surface beveled balsa filler strip along trailing edge cut 230 None angles critical cuts can made carving X-acto blade bit sanding wind halves connected ply wood joiners full-size Pixie center section fuel tank covered aluminum sheet flat viewed front Location 3/32-in diameter holes joiners relative wing lower surface quite critical deter mines wing incidence angle smaller joiner laid top larger lower edges aligned exactly drill through both time making certain drill vertical An aluminum tube trapped tween two center-section ribs guide June 1983 37 --C--,II U SC USrS UEO SCREW B RUT.ZIRE S W B BUT CU SQUARE BALSA LEABISS EBBS--1.-C52 ALURISUS IISlIM SALSA TUP S SUTTOB KET 055 BIA I---Instrument panel full-size Pixie has basic requirements fair-weather flight day light picture next page full-size prototype Inserting wing pin assembly oper ation could difficult tube CLARK Y AIRFOIL 3X SIZE WING SPARSK 30 54 ALUMINUM LEADING EDGE" made aileron hinges brass tube brackets close simulation full-size AIRCRAFT FABRIC COVERED EXCEPT AS NOTED IIISTRINGERS L1l1I IIIIIIII METAL 1111FUEL FILLER CAP COWL HINGES FLL2 ~-FIBERGLA5S NOSE BOWL 2 DIHEDRAL 85 206 STREAMLINED LIFT STRUTS IIII 75 DIA CABANE STRUTS AILERON PUSHRODS 0 CD DIAMETER LEFT HAND ROTATION FOR VW ENGINE FIBERGLASS POBER PIXIE DESIGNED BY PAIL K POBEREZNY DRAWN BY BOB WISCHER practice drawing shows Robart Hinge Point hinges greatly simplify con struction However Robart hinges need lengthened inserting forward ends short stubs aluminum tube ex tending rear spar drawing specifies tube angle 200 exact angle isnt critical necessary get tube angles alike purpose make simple fixture such hardwood block drilled 200 Hold block against rear spar drilling 5/32-in diameter hole through fixture perfect alignment angles well hole locations above spar edge Pixie holes drilled finished wing using aileron hole location template Working carefully holes could have drilled spar before assembly will important slotted ribs ailerons aligned tubes free operation afterward Robart hinges epoxied tubes hinge points line Epoxy cyanoacry late cement CyA can used fasten tubes spar fuselage best made two sections stick portion aft cockpit has di agonal bracing duplicates structure prototype Refering Section A-A note bracing members thinner dimensions longerons avoid problem covering material adhering bracing means right left sides different bracing offset inside basic structure fuselage aft end built first forward fuselage sides 1/16 ply wood will need bent rather sharply Former F4 can done soaking Continued page 134 38 Model Aviation Fiberglass nose bowl formed aluminum sheet components Pixie engine cowl Note step fuselage bottom aluminum sheet meets fabric landing gear attachment point Tail surfaces have round wire bracing turnbuckles lower end Note large gap between f stabilizer upper surface PENNSYLVANIA AVENUE RADIO CONTROL SOCIETY SUPER SCALE 83 16th Annual Giant UAnd Sport Scale Contest featuring A RC s 1st Size Scale Fly-in * Sport Scale * Giant Scale Separate judging Giant * Fly-in Relaxation Non Competition Events * Awards 4th Place Competition * Free Refreshments Entrants * *SAILPLANE** launching equipment histartslwincheslaCCeS5orieS complete linelbest pricesltop quality send self-addressed stamped envelope cataloglinformatiOn RLF PRODUCTS R3 Box 178-V Peoli IN d764 Al 21 723-4310 issue portion about George Clapp misleading said has 71 appeals should have said has appeals Fairchild 7 Serious correction Recall two cartoons showed artwork used Texas Sailpianers intimidate Arkansas guys noted Alamo back door would no Texas Im hono rary Razorback Heres Don Chancey just short note give proper credit priceless Rembrandts earlier column sez Don resident com mercial artist current VP Monte Miller alias Killer Miller Monte did two cartoons printed several others Oh yes Alamo did indeed have back door used ran off hid northeast swampland known today Arkansas guys like know Aeromodeling gets technical quail Sunday July 3 1983 Floyd Benett Field Brooklyn New York Largest Controlled Air Park New York State Registration 830i 130 am Flying starts 830 am Entry Fee $10 Second Entry $7 Only first 100 accepted preregistry advised Contest Director Jerry Behrens 31-27 Healy Ave Far Rockaway NY 11691 212-337-6987 Bill Winter 4426 Altura Ct Fairfax VA 22030 Pober Pixie/Wiscer Continued oaqe 38 ammonia holding bent posi tion until dry Keeping mind will some spring-back sides should over-bent about 50% An alternative score outer ply along F4 former line crack plywood Epoxy will heal wound Assemble forward box sec tion Formers Fl F4 /4 balsa bottoms -in beveled balsa gussets Add 1/16 plywood top Splice fuselage aft end box section add Formers F5 F2 assembled basic fuselage structure temporarily fasten formed wire cabane struts soldered brass brackets dis tance between brackets must match di mension over outside surfaces wing spar joiners reason building wing first dimension vicinity 575 wing pin inserted its holes brackets pin should exactly parallel top sur face fuselage Re-melt solder necessary bring pin alignment adjustment controls wing incidence pin should also exactly fuse lage center line wing will right angles fuselage cabane struts can shifted sideways slightly alignment holding cabane struts alignment add Former F8 plywood block its base using epoxy front cabane bolted 1/16 ply wood fuselage top /x-in landing gear clamps diagonal cabane blocked /x ply strips behind Former F6 epoxy Before epoxy hardens check pin alignment once re-check spacing between brackets Pixie cabane struts round tubes stream lined Landing gear wire brass parts should completely soldered together before bolt ing assembly fuselage bottom Keep proper sequence mind sol dering example wing strut brackets must place before soldering lower landing gear brackets form brackets 031-in hard brass will necessary anneal metal Heat torch over burn er kitchen stove Quench water brass will softened bending brass work-hardens before bends completed re-anneal before An electric stove heat element will same job Lay part softened directly stove element heat until changes color quench water After assembling land ing gear fuselage bottom fuselage formers stringers planking can added Tail surfaces conventional construc tion base sheet balsa Ribs edges cemented add shape sheet balsa need extremely light weight too light wrinkles will eventually appear covering material happened Pixie could have used extra tail weight Miscellaneous Having made fiberglass en gine cowls number planes have found quickest method lay-up over foam core blue insulation foam best carving sanding shape Its disadvantage foam will dissolve polyester resin glass cloth must laid epoxy resin Carve sand foam block cowl shape making slightly undersize about 1/32-in will approximate thickness glass cloth layer two 6-oz cloth followed top layer /-oz cloth ease finishing foam core easily chipped out after epoxy hardens Any residue can melted away dope thinner acetone internal plywood baffle cowl serves two purposes directs incoming air over engine also used hold cowl place means single 4-40 machine screw threaded front lower engine mount baffle needs carefully fitted cowl certain proper level cowl kept secure ply bulkhead dowel near top Wheel pants made two blocks -in balsa tack-cemented together After carving sanding outside shape split blocks apart hollow inside accommodate wheels used Robart scale wheels Permanently cement hal ves cover outside /2-oz glass cloth resin Preferred windshield material 031-in acrylic Plexiglas butyrate sheet Shape windshield draping material over aluminum form kitchen oven 2500 F sheet aluminum litho-plate bent half cylinder plastic bal 134 Model Aviation SCALE DOCUMENTATION SCALE DRAWINGSPHOTOS BOOKLETS MODEL PLANS 9983 AIRPLANE cATAL~ 04 PAGES REPLA TECH INTERNAT ONAI 49600 MC KENZ 9 HW ViDA ORCGON 97498 PAWU DIESELS Englands Finest 049 29 New low low prices Send $100 list Eric Clutton 3816 DeSoto Ave Fort Myers Florida 22905 - IIcabby Horn Wing Span--Iti Wing Are 564 Sq SENSOAR glider HOBBY HORN Eaclssice HOBBY HORN Kit SENSOAR Glide- kit high quality kit Machine cut ed parts Select quality balsa spruce Detailed plans written instructions THERMAL SLOPE 05 ELECTRIC POWER VALUE PRICED Et 51600 E 0111 lt3R KflS Full Partsat lIsts P & W Semi Kits Cosbined full stripwood plan Now intl Wire Window etc Mat Note may purchased just semi kits ot plans--write colt pritna t936 Buceaneer94-$51 1939 Clipper MK l72$39 1937 Dalloire Bptsert98$6t 1949 Ranger- 46 $27 1939 Mereury-72-$56 1935 Miss AneriOa-94$59 1941 Playboy Jr54-S29 1941 Playboy Sr89$46 1939 Power llouse84-$43 t949 Saitplane-79 $74 1940 So Long50S28 1939 Trenton Terror-72-$32 1939 Zipper54S48 1939 Korda Wakefield-44 $17 MIDreAy MODEL CO een-ktts Cootbtned w/atrtp 1936 Flying Quaker-94-$49 1937 Quaker Plash-67539 1937 Long Cwbin-78$42 t937 Air Chief61-$49 STRUCKS 1940 74 Span 935 Sq Ier SEMI-KIT Plan lnclJ--533BB fluW ru oetbo Full Kit $6399 SCALS PLANS nd ORAWUNOB S55 HEINKEL HElOOD 62 65s $1099 scteescd AND HANDLINO no cage Up $899 add $110 $290 PP/lot Class $991 $2999 add $225 copy will Sent $2991 $4599 add $390 freewhen requested$4591 $7995 add $359 order over $7990 add $499 HOBBY HORN CA Addressees add 6% tax aehobby spwcialties5 Send 510 VisaIMC#Exp 15173 Moran Street [A Check allow up 30 PO Bow 2212 days check clearance Westminster Ca 92693 CODExact Charges 714 893-9311 Hdl Cash OnlytAll UPS 714 8951203 Gator RIC Products G P 3713 Pompano Dr Pensacola FL 32514 Phone AC 904 476-8639 ENGINE SLEEVE & BEARING PULLER Pull tight sleeves bearings easily Bearing Puller $695* SPECIAL * damage Cone cone expanding brass ring grips sleeve bearing ID new 60s 17MM rear bearing Bath $1395 NewNew WING TUBE & SOCKETS 1 dia aluminum alloy tubing plug-in wings Included pair ot special slip-tit phenolic sockets build wing-structure 2024 alum lobe 24 long socket 12 long set TIGER TAIL 4 Ron Chidgeys latest best series little larger lighter slower retains honest flight characteristics ot its predecessors Especially recommended sportsman advanced pattern also good choice turn around pattern Plans construction hints -$995 anced top curved surface few minuets oven will soften en abling conform metal shape cool retains shape first attempt doesnt result proper shape change curve form try again same piece plastic Repeat until shape obtained will fit fuselage top having stress plastic Epoxy will hold windshield place Wing struts functional model Pixie metal strut ends must securely fastened slots wood using pins epoxy wrap outer end brass fit ting around tube will require soft mate rial annealing described earlier Struts fitted airplane simple pro cedure assure wing fuselage properly aligned wing pin serted join wing fuselage wing inverted fuselage blocked up level position struts assembled fuselage mounting brackets outer ends Center-punch wing spars using bracket holes template making certain wing warped bent marking spars Use blocks support center section Drill 1/16-in diameter holes h-deep spars No 2 wood screws preference covering finishing silk dope because prototype Pixie has fabric cover dope finish ever material can applied Sig Kov erall takes dope well would satisfac tory heat-shrink substitute silk surfaces will touch silk given three heavy brushed coats dope silk applied wet overall except fiber glass cowl landing gear legs given four five brushed coats clear dope using enough thinner flow well areas silk cover balsa such planked areas fuselage wing leading edge filler needed pre vent balsa grain showing through covering use mixture talc unscented dope thinner filling balsa grain mixture should contain thinner dope ease sanding Too much talc will cause cracking surface may require two coats fill deep balsa grain Sand No 150 open-coat aluminum oxide paper being careful penetrate silk complete plane given two coats brushed clear dope quite thin seal talc point finish should smooth Color coats should ex pected mask blemishes Spray enough color cover silk Color dope copious quantities adds weight Flying Determine center gravity CG location balancing point shown drawing tail-heavy un likely situation batteries can shifted forward beneath fuel tank balance point shouldnt about 1/4 fore aft point shown easy flight handling Make certain wheels freerolling inside wheel pants model tracks straight Using bit upelevator keep tail wheel run way open throttle tail comes light relax up-elevator avoid early lift-off Rudder steering ground very effective Once air begin using aileron forget rudder large ailerons effective soon flying speed attained Rudder use ful near stall point Pixie surprisingly aerobatic al though prototype wasnt intended will axial rolls barrel roll realistic Spins possible require recommended upelevator travel As Scale models go Pixie easiest fly Enjoy yours AMA Building/Mankowski Continued oaqe 40 tic Richfield Co AT&T JE Baker Co. Ban kAmerica Foundation Barber-Colman Company Beatrice Foods Co Bernd Brecher & Assoc Inc Boeing Company Brake John Price Jones Inc Brown Group Inc Brunswick Corporation Bucyrus-Erie Company Bunge Corporation Butler Manu facturing Company Carter Hawley Hale Stores Inc Caterpillar Tractor Co Celanese Corporation Chase Manhattan Bank NA Chemical Bank Chubb & Son Inc Citicorp & Citibank Cities Service Company Coca-Cola Com pany COMSAT Connecticut General Corpor ation Consolidated Foods Corporation Con tinental Group Inc Continental litinois Na tional Bank & Trust Co Frederick W Cook & Co Inc Cooper Industries inc Corning Glass Works Inc CPC international Corp Dart & Kraft Inc Del Monte Deluxe Check Printers Inc Digital Equipment Corporation Emhart Corporation Ensign-BickfOrd Indus 136 Model Aviation -iYr NEW IMPROVED High Pert omiance Glow Element Blow Proof Seal Six Types 3 Heat Ranges Longer Life Only $120 Swanson Associates PO Box 151Since 7948 Wayne NJ 07470 See Dealer Order Direct Include 75 Per Item UPS
Edition: Model Aviation - 1983/06
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 38, 134, 136
NO OCR TEXT NO OCR TEXT 4 Wing struts fastened fuselage brackets 2-56 hex-heed screws proto type tranortation screws removed aileron devises disconnected wing pin extracted cabane struts museum workshop Hales Corners WI prototype built Burlington Airport after reached flying status Limbach engine visits odd parts shown drawings measured Dimen sions taken aluminum engine cowl nose bowl wheel pants Engine cowl made fiberglass cloth laid epoxy resin over foam core Foam re moved later bulkheads cememted inside 32 Model Aviation Fiberglass cowl Pixie model copied fiberglass nose bowl prototype full-size rixie has fiberglass whell pants Un model balsa fiberglass cloth covering help withstand abuse .e carved balsa dummy pilot rest plywood platform fastened rails cockpit Chin head top about 2 Wing struts model Pixie necessity because cabane struts pylon type Jury struts also functional Steel wire cabane struts anchored securely fuselage main load-carrying members Note leather-covered headrest Tail surtaces wire-braced model original Pixie logo hand painted oil colors blank decal paper MON PROMNFROM TIMEFONT7 ITLL OAZZJE UKO~ THE5 AVIONIC5EAST 0F ALBANY IF FLI6HT IN OURTRAVELAI YOU MORENDOPEP TO REAO ALLEE ME 70DONT KEEO MV NW LON6 RANGE20 cors OFrr DINATESWINDSHIEID CITATION P -I IINEUROPCLEAN _ONLY I/ZMI v7/o GEZ CANT R4D T-EN 16/- IMEANI-ALLIDO HALF ThEDSIN UP I5 NEL R/C IOEA9 5/32 ODTUBING ---75/BSOAILERON SPAR GUIDES WING PIN— /8 FILLETS / W7 1/8 PLYWOOD SFR JOINER AILERON LINKAGE N 3/32 SHEET CENTER SECTION ON W 6 /8 PLYWOOD SPAR JOINERS I/B M WIRE 1/16 PLYWOOD CABANE DECK CABANE / 1/8 BALSA COWUNG 1/8 STEEL PIN ANd-CR AT COWL REAR FIBERGLASS LAY UP COWL 40 ENGINE ON SIG MEDIUM MOUNT 4-40 SCREW TO ENGINE BEARER ARM SECURES COWL BAR I/8PLyWOOD COWL BAFFLE BELLCRANK 032 BRASS ONHARCIOOD STRIPS I/4PLYWOOD FIREWALL3/16 BALSA FILLWIRE BRACED WITH 5/32BRASSmBEATTACH FITTINGS IN ENDS F 3 1/16 PLYWOOD INI\ER SIDEI/8MUSIC WIREMWIRE032 BRASS TUBING BACKTO F5JURY STRUTS 031 BRASS LG CLIP TONTS2 3/4DIAWHEELS 1/8 BALSA PThWITH FLAT ENDS 3/32v STIFFENERS I/B FAIRING 1/4 9/32 HAJD BALSA CR SPRUCE BOSTS 3/325 3/16 BALSA OR SPRUCE DECK STRINGERS 3/32 SHEET BALSA IN CORE OF TAIL SURFACES 3/32 SQ RIBS ALL TAIL 1/4 X 9/32 HARD SPARS -l ELEVATOR HORN WIRE TO ELEVATORS RUDDER STEERED WHEEL BRACKET-SPRINGS ASSEM 3/16 SQ SPRUCE LOMERONS AND BRACES 3/32x 3/B FAIRLEAD FORWARD TO F4 1/4 X 9/16 BEVEL OVER AlL GAP ROBART HINGE NTI8I TE AND AILTE VWI 3/32SHEET WINGTIP I/8BALSA EDGE 3/16 SHEET BALSATOP/BOTOM LE 1/16 HARD REAR SPAR k I/4SQ HARD BALSA SPARS K TOP BOTTOM/ 3/32 BALSA ALL RIBS 1/2 SQ BALSA LEADING EDGE propeller spinner windshield head rest tail wheel control surface travel first assessment models aileron area appears disproportionately large almost full space 3 wide has caused no problems flight however rudder isnt required aileron turns really reason using Friese type ailerons aileron hinge line lo cated behind below leading edge merely copied design including offcenter bellcrank produces differential travel resulting up-aileron down Copying such features essence Scale modeling reward scalelike flight closely simulates original Pixie nose-heavy Scale model mostly because its weighty fiberglass engine cowl Another contributing factor its Ross twin 60 engine seems first power needed Actually modern Schnuerle 40 will easily out-perform Ross hauls weight 4 Ah Ni-Cd keep both glow plugs lighted reduced throttle Peter Chinns evaluation Ross sets its output 74 hp whereas modern 40 FOR SO B-DO SLRIE ROTS 4M K ROLES IV~i0I FOR FVE GRE III lAjOl CONROFl FOR GRO LOljjIj] 4 PLYWOOD FOR SO 4 40 SCREW COWL RAFFLE I/R PLYWOOD TO PIT WTEXIOR OF COWL SEE COWL SD VIEW FOR EGACT LOCATIOR 0 ROFPWAU4 SCALE PROPELLER LEFT RARE FOR URRACA ENGINE COW RA F E SEE ABOVE RP 40 ERR RE GROWN R DR 2lW\ISR MEDOM k-\IILfERRS MOOR WOOD I/S PLVWOOE READ Vl BFROST VIEW FROSTS REAR CARASE STRUTS IR MUSIC WIRE ESRISE CVWLFIRERGLASS LATUP IN I/R WA F2 IW PLYWOXO TI WIROSRIELD PATTERS 031 PLEXIGLAS OR SUTYRATE RAFFLE TO MATCX ERGIRE ROUST EROS --I __il DGDWGL ZR ORDER LAST RIM1 I/R DIA STEEL DOWEL PIN 11W PLYWOODF REAR IRK1 COWL FASTERED WITX SIRGLE SO 4-40 SCREW 032 BRASS Fl -WOE-SR VEX SCREW BALSA WXEEL PARTS COVER WITH FISEXOLASS CLOTR ARD REGIS ORRWA~ ~WRAP BRACKET AROUND G DIR OSOFT BRASS SHOCE CORD CUFFSDEl BALSA WACO LEATRER COVER FIT I/S RAL over 100 hp Any 40 ot oTher 60 engines will fly Pixie power spare Ross may ball-of-fire engine certainly looks pretty inside cowl addition 3 oz bar brass bolted fuselage bottom just forward tail wheel balance has brought Pix ies weight 7 lb 773 sq wing area Wing struts fastened spars brackets wood screws Cable bracing between struts copies full-scale practice non functional modeL Handmade aileron hinges copied prototype better made Robart Hinge Points 34 Model Aviation Plastic fill vent tubes trom tne ruel tank clamped t firewall White wires Ross Twins two glow plugs connect mini phone jack external glow battery Other wires go lack engine mount FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 F4 I/IN PLY 5/32 SIA WIRE TCUT TO FIT CARANE FR I/VRALSA FW 3/32 BALSA P11 3/32 BALSA P12 3/32 BALSA F13 3/32 BALSA I/R WA K311L PG I/B BALSA FT I/V BALSA INSTRUMENT PANEL 5/32 WA FRONT MWWGT I/C SIA NEAR MOUNT P14 1/4 BALSA/4 BASSWOOO FlU 3/32 BALSASERVO MOSINTS OIr WA CONTROL- LINE BRAIDES STEEL CABLE UDOEN BAR/ I/N PLYWOCOBUGGER CONTROL WIRE SYSTEM OLE TO FIT NO5 __I SOD SCREWI/IN US ALUMINUM TUBE-CRIMPES TIGHTLY RUSOER ROWN F3I/N BALSA FILL-INI/IN PLYWOOD 3/32 0 3/IN BALSA OR SPRUCE STRINGERS @1 0SOLDER TO NORN _____ ROD o A TAIL SPRING LEAVES U2SU 1/4 SPRING BRONZE 1/4 0 S/IN HANS BALSA I/IA BALSA EDGESSW SPRUCE I/BS 1/4 SPRUCE CORNER GUSSETS 020 ALUMINUM WING PIN 3/32 WA MUSIC WINEBRUOIIETS 7 ROOD 1It NO S-NO HES SCREWS SOLDERED WARDER -NETARANG SCREW SOLDER - MACE WIRES RUDDER BALANCE POINTAILERON GINGETRIANGULAR RELCRANR FORWANS ENS OF HEASNEST.AIL PUSUROS LEUTOER COVERED I/N CLAMPSSOFT BALSA5/32 MASS TUWIDORSAL FINRIBS- EACH GIBE/ FORWARDOINCINENCE S1/32 PLYWOOD GUSSETSSTRINGER-TAPERED F4I -/I I/N BALSA BALSA3/52WRABS BALSA. FLATTEN P23 F DD P21I/B SQUARE SPRSEE STIANGERSI/IA PLYWOOS I/N BALBA PLANNINGSPWRIN- APPROX OS TIWOB P00I/VS S/R PLYWOOD020 WA WIRE SPOD BALSAPINAi FINS/IN SQUARE SPRUCE LONGENUNS AND CROSS ES -- o-ALL INTERNAL CONNERS UP NOSE SECTOR 2 REOD S/SD WA BO 0 SM WA SECTN N-B VIEW PONWAIND mrries weight easily loading 21 Z per sq ft 40 power ess weighty cowl model shouldnt ex reed 6 lb 18 oz per sq ft loading model built prototype using Hoffmann left-hand propeller spinner currently using var iished wood prop no spinner nodel would authentic pinner some respects model different ileron pushrods Goldberg Mini Snap inks Rods connected bracket yard aileron hinges ailemn linkage hown true scale location June 1983 35 POBER PIXIE DESIGNED BY PAUL H POBEREZNY PRESIDENT EAW MODEL MW MANNING ST RON WIBEHER WINGSPAN 70WEIGIIT 7195 WING AREA 773 OGRE SCALE j- 24IFT F3 SE SIDES TWOOo BALSA RHEET drawings initially intended model should disassembled fit shipping box easy transport overseas contests minimum crate size tail surfaces removable fuse lage purpose used hex-head bolts scale size location fastening bolts pass through stabilizer leading edge cross member means /o-in gap under stabilizer also between fin stab duplicating gaps full-size Pixie drawings show gaps filled balsa spacers Pixie never used world com petition served back-up model Beryl Emeraude model also has bungee-type rubber shock absorbers under its landing gear cuffs weight 7 lb doubtful whether shock cords ever extended bad landing consider feature needless complication Servos mounted four row across fuselage bottom large Kraft 15 size room spare Smaller servos would suffice full-size Pixie 7 OW WA UOSTR0L-LINE CABLE RIGGAW WIRES 2 SSOj JUST STRUTS- SSt 00 BRASS TimE WRAP soo.eeNDS FLATTeNeD AND DRILLeD imS OIL oo BRASSPAR 0-SO MeN SCREWS SOO 00 BRASS TI S REOD P30 BALSA 9 SQUARE RIBS ITOP B BOTTOM 0-52 BALSA - SSALL DTLOA IIS SALS P5W SPRUOX L4DSS2 OARS BALSA OS SRBOCE SPARS /EPOGT BR GO E OR sat WA WIRE ELCOATOS COSSECTOS052 BRASS ailerons controlled rotating tube passes beneath pilots seat offset bellcrank rear Vertical pushrods op erate ailerons bellcrank provides aileron differential measured pro totype 3 up 2 down model o down linkage copied EAA drawings Exposed pushrods functional add scale realism Ailerons could also have operated servo mounted wing center section Elevator travel 1 rudder l-/o side center Construction prefer building wing first simplify fitting cabane struts spars flat-bottomed wing halves can built directly over drawing use hollowcore door flat building surface door purchased local lumber yard $7 because minor edge dam age Front spars can either hard balsa 36 Model Aviation Servos top bottom tar aileron rudder elevator throttle Rudder bar left has wire cables horn rudder Offset belicrank aileron behind Sta F5 Large 4Ah Ni-Cd glow heat controlled micro switch mounted above throttle servo bottom Flattened tread tail wheel accom plished holding coarse sandpaper against tire spinning lathe elec tric drill Hardware store springs absorb ground shocks avoid servo damage full-size Pixie uses round steel tubes its cabane struts streamlined tubes wing Wide cowl provides excellent cooling models engine FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 BA EU S WORE SCREWS ORAL POE TASSE STRUT SRACUETS 5 P15*1 ASSEMBLY 0 [1 WI/ 1W BALSA LOSE Sflt 03 ALISHIS rUSE S4 COBB Porn AILESGE WOISES INSERT AT ORT ASSLE SEE SECT A-A 14 SQUARE US SPRUCE PROST REARS SARO BALSA RIStMSto ST______ -2- CGCTROL UUCET IO 0 fr15 SALSAEUOLUOS U CA NASA BALSA OR SPRUCEREAR SPAR-CO SALSAUSf SMUtS RE 5MW SALSA S REAL St SQUARE BALSASOTCOES CLEAR 01555 TUBES -7-__ 11 17 ----------US lIDII AS JLAASECO-SPRUCE[jjS~fUSERSS IS w r. *5SCSi BALSA URECO L...POBER PIXIE LISt BALSASAS B BALSA B REAOtt PLTWOOO REAR SPAR JORSER ST SOS SISCOER SOEST S spruce Note upper spar beveled good fit balsa leading edge sheet scratch builders have table saw set blade 170 /2 sq balsa leading edge cut same angle its upper surface beveled balsa filler strip along trailing edge cut 230 None angles critical cuts can made carving X-acto blade bit sanding wind halves connected ply wood joiners full-size Pixie center section fuel tank covered aluminum sheet flat viewed front Location 3/32-in diameter holes joiners relative wing lower surface quite critical deter mines wing incidence angle smaller joiner laid top larger lower edges aligned exactly drill through both time making certain drill vertical An aluminum tube trapped tween two center-section ribs guide June 1983 37 --C--,II U SC USrS UEO SCREW B RUT.ZIRE S W B BUT CU SQUARE BALSA LEABISS EBBS--1.-C52 ALURISUS IISlIM SALSA TUP S SUTTOB KET 055 BIA I---Instrument panel full-size Pixie has basic requirements fair-weather flight day light picture next page full-size prototype Inserting wing pin assembly oper ation could difficult tube CLARK Y AIRFOIL 3X SIZE WING SPARSK 30 54 ALUMINUM LEADING EDGE" made aileron hinges brass tube brackets close simulation full-size AIRCRAFT FABRIC COVERED EXCEPT AS NOTED IIISTRINGERS L1l1I IIIIIIII METAL 1111FUEL FILLER CAP COWL HINGES FLL2 ~-FIBERGLA5S NOSE BOWL 2 DIHEDRAL 85 206 STREAMLINED LIFT STRUTS IIII 75 DIA CABANE STRUTS AILERON PUSHRODS 0 CD DIAMETER LEFT HAND ROTATION FOR VW ENGINE FIBERGLASS POBER PIXIE DESIGNED BY PAIL K POBEREZNY DRAWN BY BOB WISCHER practice drawing shows Robart Hinge Point hinges greatly simplify con struction However Robart hinges need lengthened inserting forward ends short stubs aluminum tube ex tending rear spar drawing specifies tube angle 200 exact angle isnt critical necessary get tube angles alike purpose make simple fixture such hardwood block drilled 200 Hold block against rear spar drilling 5/32-in diameter hole through fixture perfect alignment angles well hole locations above spar edge Pixie holes drilled finished wing using aileron hole location template Working carefully holes could have drilled spar before assembly will important slotted ribs ailerons aligned tubes free operation afterward Robart hinges epoxied tubes hinge points line Epoxy cyanoacry late cement CyA can used fasten tubes spar fuselage best made two sections stick portion aft cockpit has di agonal bracing duplicates structure prototype Refering Section A-A note bracing members thinner dimensions longerons avoid problem covering material adhering bracing means right left sides different bracing offset inside basic structure fuselage aft end built first forward fuselage sides 1/16 ply wood will need bent rather sharply Former F4 can done soaking Continued page 134 38 Model Aviation Fiberglass nose bowl formed aluminum sheet components Pixie engine cowl Note step fuselage bottom aluminum sheet meets fabric landing gear attachment point Tail surfaces have round wire bracing turnbuckles lower end Note large gap between f stabilizer upper surface PENNSYLVANIA AVENUE RADIO CONTROL SOCIETY SUPER SCALE 83 16th Annual Giant UAnd Sport Scale Contest featuring A RC s 1st Size Scale Fly-in * Sport Scale * Giant Scale Separate judging Giant * Fly-in Relaxation Non Competition Events * Awards 4th Place Competition * Free Refreshments Entrants * *SAILPLANE** launching equipment histartslwincheslaCCeS5orieS complete linelbest pricesltop quality send self-addressed stamped envelope cataloglinformatiOn RLF PRODUCTS R3 Box 178-V Peoli IN d764 Al 21 723-4310 issue portion about George Clapp misleading said has 71 appeals should have said has appeals Fairchild 7 Serious correction Recall two cartoons showed artwork used Texas Sailpianers intimidate Arkansas guys noted Alamo back door would no Texas Im hono rary Razorback Heres Don Chancey just short note give proper credit priceless Rembrandts earlier column sez Don resident com mercial artist current VP Monte Miller alias Killer Miller Monte did two cartoons printed several others Oh yes Alamo did indeed have back door used ran off hid northeast swampland known today Arkansas guys like know Aeromodeling gets technical quail Sunday July 3 1983 Floyd Benett Field Brooklyn New York Largest Controlled Air Park New York State Registration 830i 130 am Flying starts 830 am Entry Fee $10 Second Entry $7 Only first 100 accepted preregistry advised Contest Director Jerry Behrens 31-27 Healy Ave Far Rockaway NY 11691 212-337-6987 Bill Winter 4426 Altura Ct Fairfax VA 22030 Pober Pixie/Wiscer Continued oaqe 38 ammonia holding bent posi tion until dry Keeping mind will some spring-back sides should over-bent about 50% An alternative score outer ply along F4 former line crack plywood Epoxy will heal wound Assemble forward box sec tion Formers Fl F4 /4 balsa bottoms -in beveled balsa gussets Add 1/16 plywood top Splice fuselage aft end box section add Formers F5 F2 assembled basic fuselage structure temporarily fasten formed wire cabane struts soldered brass brackets dis tance between brackets must match di mension over outside surfaces wing spar joiners reason building wing first dimension vicinity 575 wing pin inserted its holes brackets pin should exactly parallel top sur face fuselage Re-melt solder necessary bring pin alignment adjustment controls wing incidence pin should also exactly fuse lage center line wing will right angles fuselage cabane struts can shifted sideways slightly alignment holding cabane struts alignment add Former F8 plywood block its base using epoxy front cabane bolted 1/16 ply wood fuselage top /x-in landing gear clamps diagonal cabane blocked /x ply strips behind Former F6 epoxy Before epoxy hardens check pin alignment once re-check spacing between brackets Pixie cabane struts round tubes stream lined Landing gear wire brass parts should completely soldered together before bolt ing assembly fuselage bottom Keep proper sequence mind sol dering example wing strut brackets must place before soldering lower landing gear brackets form brackets 031-in hard brass will necessary anneal metal Heat torch over burn er kitchen stove Quench water brass will softened bending brass work-hardens before bends completed re-anneal before An electric stove heat element will same job Lay part softened directly stove element heat until changes color quench water After assembling land ing gear fuselage bottom fuselage formers stringers planking can added Tail surfaces conventional construc tion base sheet balsa Ribs edges cemented add shape sheet balsa need extremely light weight too light wrinkles will eventually appear covering material happened Pixie could have used extra tail weight Miscellaneous Having made fiberglass en gine cowls number planes have found quickest method lay-up over foam core blue insulation foam best carving sanding shape Its disadvantage foam will dissolve polyester resin glass cloth must laid epoxy resin Carve sand foam block cowl shape making slightly undersize about 1/32-in will approximate thickness glass cloth layer two 6-oz cloth followed top layer /-oz cloth ease finishing foam core easily chipped out after epoxy hardens Any residue can melted away dope thinner acetone internal plywood baffle cowl serves two purposes directs incoming air over engine also used hold cowl place means single 4-40 machine screw threaded front lower engine mount baffle needs carefully fitted cowl certain proper level cowl kept secure ply bulkhead dowel near top Wheel pants made two blocks -in balsa tack-cemented together After carving sanding outside shape split blocks apart hollow inside accommodate wheels used Robart scale wheels Permanently cement hal ves cover outside /2-oz glass cloth resin Preferred windshield material 031-in acrylic Plexiglas butyrate sheet Shape windshield draping material over aluminum form kitchen oven 2500 F sheet aluminum litho-plate bent half cylinder plastic bal 134 Model Aviation SCALE DOCUMENTATION SCALE DRAWINGSPHOTOS BOOKLETS MODEL PLANS 9983 AIRPLANE cATAL~ 04 PAGES REPLA TECH INTERNAT ONAI 49600 MC KENZ 9 HW ViDA ORCGON 97498 PAWU DIESELS Englands Finest 049 29 New low low prices Send $100 list Eric Clutton 3816 DeSoto Ave Fort Myers Florida 22905 - IIcabby Horn Wing Span--Iti Wing Are 564 Sq SENSOAR glider HOBBY HORN Eaclssice HOBBY HORN Kit SENSOAR Glide- kit high quality kit Machine cut ed parts Select quality balsa spruce Detailed plans written instructions THERMAL SLOPE 05 ELECTRIC POWER VALUE PRICED Et 51600 E 0111 lt3R KflS Full Partsat lIsts P & W Semi Kits Cosbined full stripwood plan Now intl Wire Window etc Mat Note may purchased just semi kits ot plans--write colt pritna t936 Buceaneer94-$51 1939 Clipper MK l72$39 1937 Dalloire Bptsert98$6t 1949 Ranger- 46 $27 1939 Mereury-72-$56 1935 Miss AneriOa-94$59 1941 Playboy Jr54-S29 1941 Playboy Sr89$46 1939 Power llouse84-$43 t949 Saitplane-79 $74 1940 So Long50S28 1939 Trenton Terror-72-$32 1939 Zipper54S48 1939 Korda Wakefield-44 $17 MIDreAy MODEL CO een-ktts Cootbtned w/atrtp 1936 Flying Quaker-94-$49 1937 Quaker Plash-67539 1937 Long Cwbin-78$42 t937 Air Chief61-$49 STRUCKS 1940 74 Span 935 Sq Ier SEMI-KIT Plan lnclJ--533BB fluW ru oetbo Full Kit $6399 SCALS PLANS nd ORAWUNOB S55 HEINKEL HElOOD 62 65s $1099 scteescd AND HANDLINO no cage Up $899 add $110 $290 PP/lot Class $991 $2999 add $225 copy will Sent $2991 $4599 add $390 freewhen requested$4591 $7995 add $359 order over $7990 add $499 HOBBY HORN CA Addressees add 6% tax aehobby spwcialties5 Send 510 VisaIMC#Exp 15173 Moran Street [A Check allow up 30 PO Bow 2212 days check clearance Westminster Ca 92693 CODExact Charges 714 893-9311 Hdl Cash OnlytAll UPS 714 8951203 Gator RIC Products G P 3713 Pompano Dr Pensacola FL 32514 Phone AC 904 476-8639 ENGINE SLEEVE & BEARING PULLER Pull tight sleeves bearings easily Bearing Puller $695* SPECIAL * damage Cone cone expanding brass ring grips sleeve bearing ID new 60s 17MM rear bearing Bath $1395 NewNew WING TUBE & SOCKETS 1 dia aluminum alloy tubing plug-in wings Included pair ot special slip-tit phenolic sockets build wing-structure 2024 alum lobe 24 long socket 12 long set TIGER TAIL 4 Ron Chidgeys latest best series little larger lighter slower retains honest flight characteristics ot its predecessors Especially recommended sportsman advanced pattern also good choice turn around pattern Plans construction hints -$995 anced top curved surface few minuets oven will soften en abling conform metal shape cool retains shape first attempt doesnt result proper shape change curve form try again same piece plastic Repeat until shape obtained will fit fuselage top having stress plastic Epoxy will hold windshield place Wing struts functional model Pixie metal strut ends must securely fastened slots wood using pins epoxy wrap outer end brass fit ting around tube will require soft mate rial annealing described earlier Struts fitted airplane simple pro cedure assure wing fuselage properly aligned wing pin serted join wing fuselage wing inverted fuselage blocked up level position struts assembled fuselage mounting brackets outer ends Center-punch wing spars using bracket holes template making certain wing warped bent marking spars Use blocks support center section Drill 1/16-in diameter holes h-deep spars No 2 wood screws preference covering finishing silk dope because prototype Pixie has fabric cover dope finish ever material can applied Sig Kov erall takes dope well would satisfac tory heat-shrink substitute silk surfaces will touch silk given three heavy brushed coats dope silk applied wet overall except fiber glass cowl landing gear legs given four five brushed coats clear dope using enough thinner flow well areas silk cover balsa such planked areas fuselage wing leading edge filler needed pre vent balsa grain showing through covering use mixture talc unscented dope thinner filling balsa grain mixture should contain thinner dope ease sanding Too much talc will cause cracking surface may require two coats fill deep balsa grain Sand No 150 open-coat aluminum oxide paper being careful penetrate silk complete plane given two coats brushed clear dope quite thin seal talc point finish should smooth Color coats should ex pected mask blemishes Spray enough color cover silk Color dope copious quantities adds weight Flying Determine center gravity CG location balancing point shown drawing tail-heavy un likely situation batteries can shifted forward beneath fuel tank balance point shouldnt about 1/4 fore aft point shown easy flight handling Make certain wheels freerolling inside wheel pants model tracks straight Using bit upelevator keep tail wheel run way open throttle tail comes light relax up-elevator avoid early lift-off Rudder steering ground very effective Once air begin using aileron forget rudder large ailerons effective soon flying speed attained Rudder use ful near stall point Pixie surprisingly aerobatic al though prototype wasnt intended will axial rolls barrel roll realistic Spins possible require recommended upelevator travel As Scale models go Pixie easiest fly Enjoy yours AMA Building/Mankowski Continued oaqe 40 tic Richfield Co AT&T JE Baker Co. Ban kAmerica Foundation Barber-Colman Company Beatrice Foods Co Bernd Brecher & Assoc Inc Boeing Company Brake John Price Jones Inc Brown Group Inc Brunswick Corporation Bucyrus-Erie Company Bunge Corporation Butler Manu facturing Company Carter Hawley Hale Stores Inc Caterpillar Tractor Co Celanese Corporation Chase Manhattan Bank NA Chemical Bank Chubb & Son Inc Citicorp & Citibank Cities Service Company Coca-Cola Com pany COMSAT Connecticut General Corpor ation Consolidated Foods Corporation Con tinental Group Inc Continental litinois Na tional Bank & Trust Co Frederick W Cook & Co Inc Cooper Industries inc Corning Glass Works Inc CPC international Corp Dart & Kraft Inc Del Monte Deluxe Check Printers Inc Digital Equipment Corporation Emhart Corporation Ensign-BickfOrd Indus 136 Model Aviation -iYr NEW IMPROVED High Pert omiance Glow Element Blow Proof Seal Six Types 3 Heat Ranges Longer Life Only $120 Swanson Associates PO Box 151Since 7948 Wayne NJ 07470 See Dealer Order Direct Include 75 Per Item UPS
Edition: Model Aviation - 1983/06
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 37, 38, 134, 136
NO OCR TEXT NO OCR TEXT 4 Wing struts fastened fuselage brackets 2-56 hex-heed screws proto type tranortation screws removed aileron devises disconnected wing pin extracted cabane struts museum workshop Hales Corners WI prototype built Burlington Airport after reached flying status Limbach engine visits odd parts shown drawings measured Dimen sions taken aluminum engine cowl nose bowl wheel pants Engine cowl made fiberglass cloth laid epoxy resin over foam core Foam re moved later bulkheads cememted inside 32 Model Aviation Fiberglass cowl Pixie model copied fiberglass nose bowl prototype full-size rixie has fiberglass whell pants Un model balsa fiberglass cloth covering help withstand abuse .e carved balsa dummy pilot rest plywood platform fastened rails cockpit Chin head top about 2 Wing struts model Pixie necessity because cabane struts pylon type Jury struts also functional Steel wire cabane struts anchored securely fuselage main load-carrying members Note leather-covered headrest Tail surtaces wire-braced model original Pixie logo hand painted oil colors blank decal paper MON PROMNFROM TIMEFONT7 ITLL OAZZJE UKO~ THE5 AVIONIC5EAST 0F ALBANY IF FLI6HT IN OURTRAVELAI YOU MORENDOPEP TO REAO ALLEE ME 70DONT KEEO MV NW LON6 RANGE20 cors OFrr DINATESWINDSHIEID CITATION P -I IINEUROPCLEAN _ONLY I/ZMI v7/o GEZ CANT R4D T-EN 16/- IMEANI-ALLIDO HALF ThEDSIN UP I5 NEL R/C IOEA9 5/32 ODTUBING ---75/BSOAILERON SPAR GUIDES WING PIN— /8 FILLETS / W7 1/8 PLYWOOD SFR JOINER AILERON LINKAGE N 3/32 SHEET CENTER SECTION ON W 6 /8 PLYWOOD SPAR JOINERS I/B M WIRE 1/16 PLYWOOD CABANE DECK CABANE / 1/8 BALSA COWUNG 1/8 STEEL PIN ANd-CR AT COWL REAR FIBERGLASS LAY UP COWL 40 ENGINE ON SIG MEDIUM MOUNT 4-40 SCREW TO ENGINE BEARER ARM SECURES COWL BAR I/8PLyWOOD COWL BAFFLE BELLCRANK 032 BRASS ONHARCIOOD STRIPS I/4PLYWOOD FIREWALL3/16 BALSA FILLWIRE BRACED WITH 5/32BRASSmBEATTACH FITTINGS IN ENDS F 3 1/16 PLYWOOD INI\ER SIDEI/8MUSIC WIREMWIRE032 BRASS TUBING BACKTO F5JURY STRUTS 031 BRASS LG CLIP TONTS2 3/4DIAWHEELS 1/8 BALSA PThWITH FLAT ENDS 3/32v STIFFENERS I/B FAIRING 1/4 9/32 HAJD BALSA CR SPRUCE BOSTS 3/325 3/16 BALSA OR SPRUCE DECK STRINGERS 3/32 SHEET BALSA IN CORE OF TAIL SURFACES 3/32 SQ RIBS ALL TAIL 1/4 X 9/32 HARD SPARS -l ELEVATOR HORN WIRE TO ELEVATORS RUDDER STEERED WHEEL BRACKET-SPRINGS ASSEM 3/16 SQ SPRUCE LOMERONS AND BRACES 3/32x 3/B FAIRLEAD FORWARD TO F4 1/4 X 9/16 BEVEL OVER AlL GAP ROBART HINGE NTI8I TE AND AILTE VWI 3/32SHEET WINGTIP I/8BALSA EDGE 3/16 SHEET BALSATOP/BOTOM LE 1/16 HARD REAR SPAR k I/4SQ HARD BALSA SPARS K TOP BOTTOM/ 3/32 BALSA ALL RIBS 1/2 SQ BALSA LEADING EDGE propeller spinner windshield head rest tail wheel control surface travel first assessment models aileron area appears disproportionately large almost full space 3 wide has caused no problems flight however rudder isnt required aileron turns really reason using Friese type ailerons aileron hinge line lo cated behind below leading edge merely copied design including offcenter bellcrank produces differential travel resulting up-aileron down Copying such features essence Scale modeling reward scalelike flight closely simulates original Pixie nose-heavy Scale model mostly because its weighty fiberglass engine cowl Another contributing factor its Ross twin 60 engine seems first power needed Actually modern Schnuerle 40 will easily out-perform Ross hauls weight 4 Ah Ni-Cd keep both glow plugs lighted reduced throttle Peter Chinns evaluation Ross sets its output 74 hp whereas modern 40 FOR SO B-DO SLRIE ROTS 4M K ROLES IV~i0I FOR FVE GRE III lAjOl CONROFl FOR GRO LOljjIj] 4 PLYWOOD FOR SO 4 40 SCREW COWL RAFFLE I/R PLYWOOD TO PIT WTEXIOR OF COWL SEE COWL SD VIEW FOR EGACT LOCATIOR 0 ROFPWAU4 SCALE PROPELLER LEFT RARE FOR URRACA ENGINE COW RA F E SEE ABOVE RP 40 ERR RE GROWN R DR 2lW\ISR MEDOM k-\IILfERRS MOOR WOOD I/S PLVWOOE READ Vl BFROST VIEW FROSTS REAR CARASE STRUTS IR MUSIC WIRE ESRISE CVWLFIRERGLASS LATUP IN I/R WA F2 IW PLYWOXO TI WIROSRIELD PATTERS 031 PLEXIGLAS OR SUTYRATE RAFFLE TO MATCX ERGIRE ROUST EROS --I __il DGDWGL ZR ORDER LAST RIM1 I/R DIA STEEL DOWEL PIN 11W PLYWOODF REAR IRK1 COWL FASTERED WITX SIRGLE SO 4-40 SCREW 032 BRASS Fl -WOE-SR VEX SCREW BALSA WXEEL PARTS COVER WITH FISEXOLASS CLOTR ARD REGIS ORRWA~ ~WRAP BRACKET AROUND G DIR OSOFT BRASS SHOCE CORD CUFFSDEl BALSA WACO LEATRER COVER FIT I/S RAL over 100 hp Any 40 ot oTher 60 engines will fly Pixie power spare Ross may ball-of-fire engine certainly looks pretty inside cowl addition 3 oz bar brass bolted fuselage bottom just forward tail wheel balance has brought Pix ies weight 7 lb 773 sq wing area Wing struts fastened spars brackets wood screws Cable bracing between struts copies full-scale practice non functional modeL Handmade aileron hinges copied prototype better made Robart Hinge Points 34 Model Aviation Plastic fill vent tubes trom tne ruel tank clamped t firewall White wires Ross Twins two glow plugs connect mini phone jack external glow battery Other wires go lack engine mount FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 F4 I/IN PLY 5/32 SIA WIRE TCUT TO FIT CARANE FR I/VRALSA FW 3/32 BALSA P11 3/32 BALSA P12 3/32 BALSA F13 3/32 BALSA I/R WA K311L PG I/B BALSA FT I/V BALSA INSTRUMENT PANEL 5/32 WA FRONT MWWGT I/C SIA NEAR MOUNT P14 1/4 BALSA/4 BASSWOOO FlU 3/32 BALSASERVO MOSINTS OIr WA CONTROL- LINE BRAIDES STEEL CABLE UDOEN BAR/ I/N PLYWOCOBUGGER CONTROL WIRE SYSTEM OLE TO FIT NO5 __I SOD SCREWI/IN US ALUMINUM TUBE-CRIMPES TIGHTLY RUSOER ROWN F3I/N BALSA FILL-INI/IN PLYWOOD 3/32 0 3/IN BALSA OR SPRUCE STRINGERS @1 0SOLDER TO NORN _____ ROD o A TAIL SPRING LEAVES U2SU 1/4 SPRING BRONZE 1/4 0 S/IN HANS BALSA I/IA BALSA EDGESSW SPRUCE I/BS 1/4 SPRUCE CORNER GUSSETS 020 ALUMINUM WING PIN 3/32 WA MUSIC WINEBRUOIIETS 7 ROOD 1It NO S-NO HES SCREWS SOLDERED WARDER -NETARANG SCREW SOLDER - MACE WIRES RUDDER BALANCE POINTAILERON GINGETRIANGULAR RELCRANR FORWANS ENS OF HEASNEST.AIL PUSUROS LEUTOER COVERED I/N CLAMPSSOFT BALSA5/32 MASS TUWIDORSAL FINRIBS- EACH GIBE/ FORWARDOINCINENCE S1/32 PLYWOOD GUSSETSSTRINGER-TAPERED F4I -/I I/N BALSA BALSA3/52WRABS BALSA. FLATTEN P23 F DD P21I/B SQUARE SPRSEE STIANGERSI/IA PLYWOOS I/N BALBA PLANNINGSPWRIN- APPROX OS TIWOB P00I/VS S/R PLYWOOD020 WA WIRE SPOD BALSAPINAi FINS/IN SQUARE SPRUCE LONGENUNS AND CROSS ES -- o-ALL INTERNAL CONNERS UP NOSE SECTOR 2 REOD S/SD WA BO 0 SM WA SECTN N-B VIEW PONWAIND mrries weight easily loading 21 Z per sq ft 40 power ess weighty cowl model shouldnt ex reed 6 lb 18 oz per sq ft loading model built prototype using Hoffmann left-hand propeller spinner currently using var iished wood prop no spinner nodel would authentic pinner some respects model different ileron pushrods Goldberg Mini Snap inks Rods connected bracket yard aileron hinges ailemn linkage hown true scale location June 1983 35 POBER PIXIE DESIGNED BY PAUL H POBEREZNY PRESIDENT EAW MODEL MW MANNING ST RON WIBEHER WINGSPAN 70WEIGIIT 7195 WING AREA 773 OGRE SCALE j- 24IFT F3 SE SIDES TWOOo BALSA RHEET drawings initially intended model should disassembled fit shipping box easy transport overseas contests minimum crate size tail surfaces removable fuse lage purpose used hex-head bolts scale size location fastening bolts pass through stabilizer leading edge cross member means /o-in gap under stabilizer also between fin stab duplicating gaps full-size Pixie drawings show gaps filled balsa spacers Pixie never used world com petition served back-up model Beryl Emeraude model also has bungee-type rubber shock absorbers under its landing gear cuffs weight 7 lb doubtful whether shock cords ever extended bad landing consider feature needless complication Servos mounted four row across fuselage bottom large Kraft 15 size room spare Smaller servos would suffice full-size Pixie 7 OW WA UOSTR0L-LINE CABLE RIGGAW WIRES 2 SSOj JUST STRUTS- SSt 00 BRASS TimE WRAP soo.eeNDS FLATTeNeD AND DRILLeD imS OIL oo BRASSPAR 0-SO MeN SCREWS SOO 00 BRASS TI S REOD P30 BALSA 9 SQUARE RIBS ITOP B BOTTOM 0-52 BALSA - SSALL DTLOA IIS SALS P5W SPRUOX L4DSS2 OARS BALSA OS SRBOCE SPARS /EPOGT BR GO E OR sat WA WIRE ELCOATOS COSSECTOS052 BRASS ailerons controlled rotating tube passes beneath pilots seat offset bellcrank rear Vertical pushrods op erate ailerons bellcrank provides aileron differential measured pro totype 3 up 2 down model o down linkage copied EAA drawings Exposed pushrods functional add scale realism Ailerons could also have operated servo mounted wing center section Elevator travel 1 rudder l-/o side center Construction prefer building wing first simplify fitting cabane struts spars flat-bottomed wing halves can built directly over drawing use hollowcore door flat building surface door purchased local lumber yard $7 because minor edge dam age Front spars can either hard balsa 36 Model Aviation Servos top bottom tar aileron rudder elevator throttle Rudder bar left has wire cables horn rudder Offset belicrank aileron behind Sta F5 Large 4Ah Ni-Cd glow heat controlled micro switch mounted above throttle servo bottom Flattened tread tail wheel accom plished holding coarse sandpaper against tire spinning lathe elec tric drill Hardware store springs absorb ground shocks avoid servo damage full-size Pixie uses round steel tubes its cabane struts streamlined tubes wing Wide cowl provides excellent cooling models engine FULL-SIZE PLANS AVAILABLE.SEE PAGE 164 BA EU S WORE SCREWS ORAL POE TASSE STRUT SRACUETS 5 P15*1 ASSEMBLY 0 [1 WI/ 1W BALSA LOSE Sflt 03 ALISHIS rUSE S4 COBB Porn AILESGE WOISES INSERT AT ORT ASSLE SEE SECT A-A 14 SQUARE US SPRUCE PROST REARS SARO BALSA RIStMSto ST______ -2- CGCTROL UUCET IO 0 fr15 SALSAEUOLUOS U CA NASA BALSA OR SPRUCEREAR SPAR-CO SALSAUSf SMUtS RE 5MW SALSA S REAL St SQUARE BALSASOTCOES CLEAR 01555 TUBES -7-__ 11 17 ----------US lIDII AS JLAASECO-SPRUCE[jjS~fUSERSS IS w r. *5SCSi BALSA URECO L...POBER PIXIE LISt BALSASAS B BALSA B REAOtt PLTWOOO REAR SPAR JORSER ST SOS SISCOER SOEST S spruce Note upper spar beveled good fit balsa leading edge sheet scratch builders have table saw set blade 170 /2 sq balsa leading edge cut same angle its upper surface beveled balsa filler strip along trailing edge cut 230 None angles critical cuts can made carving X-acto blade bit sanding wind halves connected ply wood joiners full-size Pixie center section fuel tank covered aluminum sheet flat viewed front Location 3/32-in diameter holes joiners relative wing lower surface quite critical deter mines wing incidence angle smaller joiner laid top larger lower edges aligned exactly drill through both time making certain drill vertical An aluminum tube trapped tween two center-section ribs guide June 1983 37 --C--,II U SC USrS UEO SCREW B RUT.ZIRE S W B BUT CU SQUARE BALSA LEABISS EBBS--1.-C52 ALURISUS IISlIM SALSA TUP S SUTTOB KET 055 BIA I---Instrument panel full-size Pixie has basic requirements fair-weather flight day light picture next page full-size prototype Inserting wing pin assembly oper ation could difficult tube CLARK Y AIRFOIL 3X SIZE WING SPARSK 30 54 ALUMINUM LEADING EDGE" made aileron hinges brass tube brackets close simulation full-size AIRCRAFT FABRIC COVERED EXCEPT AS NOTED IIISTRINGERS L1l1I IIIIIIII METAL 1111FUEL FILLER CAP COWL HINGES FLL2 ~-FIBERGLA5S NOSE BOWL 2 DIHEDRAL 85 206 STREAMLINED LIFT STRUTS IIII 75 DIA CABANE STRUTS AILERON PUSHRODS 0 CD DIAMETER LEFT HAND ROTATION FOR VW ENGINE FIBERGLASS POBER PIXIE DESIGNED BY PAIL K POBEREZNY DRAWN BY BOB WISCHER practice drawing shows Robart Hinge Point hinges greatly simplify con struction However Robart hinges need lengthened inserting forward ends short stubs aluminum tube ex tending rear spar drawing specifies tube angle 200 exact angle isnt critical necessary get tube angles alike purpose make simple fixture such hardwood block drilled 200 Hold block against rear spar drilling 5/32-in diameter hole through fixture perfect alignment angles well hole locations above spar edge Pixie holes drilled finished wing using aileron hole location template Working carefully holes could have drilled spar before assembly will important slotted ribs ailerons aligned tubes free operation afterward Robart hinges epoxied tubes hinge points line Epoxy cyanoacry late cement CyA can used fasten tubes spar fuselage best made two sections stick portion aft cockpit has di agonal bracing duplicates structure prototype Refering Section A-A note bracing members thinner dimensions longerons avoid problem covering material adhering bracing means right left sides different bracing offset inside basic structure fuselage aft end built first forward fuselage sides 1/16 ply wood will need bent rather sharply Former F4 can done soaking Continued page 134 38 Model Aviation Fiberglass nose bowl formed aluminum sheet components Pixie engine cowl Note step fuselage bottom aluminum sheet meets fabric landing gear attachment point Tail surfaces have round wire bracing turnbuckles lower end Note large gap between f stabilizer upper surface PENNSYLVANIA AVENUE RADIO CONTROL SOCIETY SUPER SCALE 83 16th Annual Giant UAnd Sport Scale Contest featuring A RC s 1st Size Scale Fly-in * Sport Scale * Giant Scale Separate judging Giant * Fly-in Relaxation Non Competition Events * Awards 4th Place Competition * Free Refreshments Entrants * *SAILPLANE** launching equipment histartslwincheslaCCeS5orieS complete linelbest pricesltop quality send self-addressed stamped envelope cataloglinformatiOn RLF PRODUCTS R3 Box 178-V Peoli IN d764 Al 21 723-4310 issue portion about George Clapp misleading said has 71 appeals should have said has appeals Fairchild 7 Serious correction Recall two cartoons showed artwork used Texas Sailpianers intimidate Arkansas guys noted Alamo back door would no Texas Im hono rary Razorback Heres Don Chancey just short note give proper credit priceless Rembrandts earlier column sez Don resident com mercial artist current VP Monte Miller alias Killer Miller Monte did two cartoons printed several others Oh yes Alamo did indeed have back door used ran off hid northeast swampland known today Arkansas guys like know Aeromodeling gets technical quail Sunday July 3 1983 Floyd Benett Field Brooklyn New York Largest Controlled Air Park New York State Registration 830i 130 am Flying starts 830 am Entry Fee $10 Second Entry $7 Only first 100 accepted preregistry advised Contest Director Jerry Behrens 31-27 Healy Ave Far Rockaway NY 11691 212-337-6987 Bill Winter 4426 Altura Ct Fairfax VA 22030 Pober Pixie/Wiscer Continued oaqe 38 ammonia holding bent posi tion until dry Keeping mind will some spring-back sides should over-bent about 50% An alternative score outer ply along F4 former line crack plywood Epoxy will heal wound Assemble forward box sec tion Formers Fl F4 /4 balsa bottoms -in beveled balsa gussets Add 1/16 plywood top Splice fuselage aft end box section add Formers F5 F2 assembled basic fuselage structure temporarily fasten formed wire cabane struts soldered brass brackets dis tance between brackets must match di mension over outside surfaces wing spar joiners reason building wing first dimension vicinity 575 wing pin inserted its holes brackets pin should exactly parallel top sur face fuselage Re-melt solder necessary bring pin alignment adjustment controls wing incidence pin should also exactly fuse lage center line wing will right angles fuselage cabane struts can shifted sideways slightly alignment holding cabane struts alignment add Former F8 plywood block its base using epoxy front cabane bolted 1/16 ply wood fuselage top /x-in landing gear clamps diagonal cabane blocked /x ply strips behind Former F6 epoxy Before epoxy hardens check pin alignment once re-check spacing between brackets Pixie cabane struts round tubes stream lined Landing gear wire brass parts should completely soldered together before bolt ing assembly fuselage bottom Keep proper sequence mind sol dering example wing strut brackets must place before soldering lower landing gear brackets form brackets 031-in hard brass will necessary anneal metal Heat torch over burn er kitchen stove Quench water brass will softened bending brass work-hardens before bends completed re-anneal before An electric stove heat element will same job Lay part softened directly stove element heat until changes color quench water After assembling land ing gear fuselage bottom fuselage formers stringers planking can added Tail surfaces conventional construc tion base sheet balsa Ribs edges cemented add shape sheet balsa need extremely light weight too light wrinkles will eventually appear covering material happened Pixie could have used extra tail weight Miscellaneous Having made fiberglass en gine cowls number planes have found quickest method lay-up over foam core blue insulation foam best carving sanding shape Its disadvantage foam will dissolve polyester resin glass cloth must laid epoxy resin Carve sand foam block cowl shape making slightly undersize about 1/32-in will approximate thickness glass cloth layer two 6-oz cloth followed top layer /-oz cloth ease finishing foam core easily chipped out after epoxy hardens Any residue can melted away dope thinner acetone internal plywood baffle cowl serves two purposes directs incoming air over engine also used hold cowl place means single 4-40 machine screw threaded front lower engine mount baffle needs carefully fitted cowl certain proper level cowl kept secure ply bulkhead dowel near top Wheel pants made two blocks -in balsa tack-cemented together After carving sanding outside shape split blocks apart hollow inside accommodate wheels used Robart scale wheels Permanently cement hal ves cover outside /2-oz glass cloth resin Preferred windshield material 031-in acrylic Plexiglas butyrate sheet Shape windshield draping material over aluminum form kitchen oven 2500 F sheet aluminum litho-plate bent half cylinder plastic bal 134 Model Aviation SCALE DOCUMENTATION SCALE DRAWINGSPHOTOS BOOKLETS MODEL PLANS 9983 AIRPLANE cATAL~ 04 PAGES REPLA TECH INTERNAT ONAI 49600 MC KENZ 9 HW ViDA ORCGON 97498 PAWU DIESELS Englands Finest 049 29 New low low prices Send $100 list Eric Clutton 3816 DeSoto Ave Fort Myers Florida 22905 - IIcabby Horn Wing Span--Iti Wing Are 564 Sq SENSOAR glider HOBBY HORN Eaclssice HOBBY HORN Kit SENSOAR Glide- kit high quality kit Machine cut ed parts Select quality balsa spruce Detailed plans written instructions THERMAL SLOPE 05 ELECTRIC POWER VALUE PRICED Et 51600 E 0111 lt3R KflS Full Partsat lIsts P & W Semi Kits Cosbined full stripwood plan Now intl Wire Window etc Mat Note may purchased just semi kits ot plans--write colt pritna t936 Buceaneer94-$51 1939 Clipper MK l72$39 1937 Dalloire Bptsert98$6t 1949 Ranger- 46 $27 1939 Mereury-72-$56 1935 Miss AneriOa-94$59 1941 Playboy Jr54-S29 1941 Playboy Sr89$46 1939 Power llouse84-$43 t949 Saitplane-79 $74 1940 So Long50S28 1939 Trenton Terror-72-$32 1939 Zipper54S48 1939 Korda Wakefield-44 $17 MIDreAy MODEL CO een-ktts Cootbtned w/atrtp 1936 Flying Quaker-94-$49 1937 Quaker Plash-67539 1937 Long Cwbin-78$42 t937 Air Chief61-$49 STRUCKS 1940 74 Span 935 Sq Ier SEMI-KIT Plan lnclJ--533BB fluW ru oetbo Full Kit $6399 SCALS PLANS nd ORAWUNOB S55 HEINKEL HElOOD 62 65s $1099 scteescd AND HANDLINO no cage Up $899 add $110 $290 PP/lot Class $991 $2999 add $225 copy will Sent $2991 $4599 add $390 freewhen requested$4591 $7995 add $359 order over $7990 add $499 HOBBY HORN CA Addressees add 6% tax aehobby spwcialties5 Send 510 VisaIMC#Exp 15173 Moran Street [A Check allow up 30 PO Bow 2212 days check clearance Westminster Ca 92693 CODExact Charges 714 893-9311 Hdl Cash OnlytAll UPS 714 8951203 Gator RIC Products G P 3713 Pompano Dr Pensacola FL 32514 Phone AC 904 476-8639 ENGINE SLEEVE & BEARING PULLER Pull tight sleeves bearings easily Bearing Puller $695* SPECIAL * damage Cone cone expanding brass ring grips sleeve bearing ID new 60s 17MM rear bearing Bath $1395 NewNew WING TUBE & SOCKETS 1 dia aluminum alloy tubing plug-in wings Included pair ot special slip-tit phenolic sockets build wing-structure 2024 alum lobe 24 long socket 12 long set TIGER TAIL 4 Ron Chidgeys latest best series little larger lighter slower retains honest flight characteristics ot its predecessors Especially recommended sportsman advanced pattern also good choice turn around pattern Plans construction hints -$995 anced top curved surface few minuets oven will soften en abling conform metal shape cool retains shape first attempt doesnt result proper shape change curve form try again same piece plastic Repeat until shape obtained will fit fuselage top having stress plastic Epoxy will hold windshield place Wing struts functional model Pixie metal strut ends must securely fastened slots wood using pins epoxy wrap outer end brass fit ting around tube will require soft mate rial annealing described earlier Struts fitted airplane simple pro cedure assure wing fuselage properly aligned wing pin serted join wing fuselage wing inverted fuselage blocked up level position struts assembled fuselage mounting brackets outer ends Center-punch wing spars using bracket holes template making certain wing warped bent marking spars Use blocks support center section Drill 1/16-in diameter holes h-deep spars No 2 wood screws preference covering finishing silk dope because prototype Pixie has fabric cover dope finish ever material can applied Sig Kov erall takes dope well would satisfac tory heat-shrink substitute silk surfaces will touch silk given three heavy brushed coats dope silk applied wet overall except fiber glass cowl landing gear legs given four five brushed coats clear dope using enough thinner flow well areas silk cover balsa such planked areas fuselage wing leading edge filler needed pre vent balsa grain showing through covering use mixture talc unscented dope thinner filling balsa grain mixture should contain thinner dope ease sanding Too much talc will cause cracking surface may require two coats fill deep balsa grain Sand No 150 open-coat aluminum oxide paper being careful penetrate silk complete plane given two coats brushed clear dope quite thin seal talc point finish should smooth Color coats should ex pected mask blemishes Spray enough color cover silk Color dope copious quantities adds weight Flying Determine center gravity CG location balancing point shown drawing tail-heavy un likely situation batteries can shifted forward beneath fuel tank balance point shouldnt about 1/4 fore aft point shown easy flight handling Make certain wheels freerolling inside wheel pants model tracks straight Using bit upelevator keep tail wheel run way open throttle tail comes light relax up-elevator avoid early lift-off Rudder steering ground very effective Once air begin using aileron forget rudder large ailerons effective soon flying speed attained Rudder use ful near stall point Pixie surprisingly aerobatic al though prototype wasnt intended will axial rolls barrel roll realistic Spins possible require recommended upelevator travel As Scale models go Pixie easiest fly Enjoy yours AMA Building/Mankowski Continued oaqe 40 tic Richfield Co AT&T JE Baker Co. Ban kAmerica Foundation Barber-Colman Company Beatrice Foods Co Bernd Brecher & Assoc Inc Boeing Company Brake John Price Jones Inc Brown Group Inc Brunswick Corporation Bucyrus-Erie Company Bunge Corporation Butler Manu facturing Company Carter Hawley Hale Stores Inc Caterpillar Tractor Co Celanese Corporation Chase Manhattan Bank NA Chemical Bank Chubb & Son Inc Citicorp & Citibank Cities Service Company Coca-Cola Com pany COMSAT Connecticut General Corpor ation Consolidated Foods Corporation Con tinental Group Inc Continental litinois Na tional Bank & Trust Co Frederick W Cook & Co Inc Cooper Industries inc Corning Glass Works Inc CPC international Corp Dart & Kraft Inc Del Monte Deluxe Check Printers Inc Digital Equipment Corporation Emhart Corporation Ensign-BickfOrd Indus 136 Model Aviation -iYr NEW IMPROVED High Pert omiance Glow Element Blow Proof Seal Six Types 3 Heat Ranges Longer Life Only $120 Swanson Associates PO Box 151Since 7948 Wayne NJ 07470 See Dealer Order Direct Include 75 Per Item UPS