FOR SMALL MODELS custom-shaped blocks techniques controlling damage theres lot learn about working sandpaper U Paul Mcllrath IF YOURE horror movie fan know about versatility modem chain saw Sandpaper tool buy sheet has us longer its equally versatile As check how-to folders hardware store shows sandpaper can anything grinding rust off old Volkswagen polishing expensive coffee table What folders don t tell work /32 balsa two-pound-density foam soft materials fragile structures small models require original methods also open up some unique possibilities creative modeler can use sandpaper smoothing exterior model major cutting shaping operations well Sandpaper can replace handymans lathe router sanderand yes chain saw following discussion sandpaper technology keyed accompanying six-part illustration 1 The handheld sanding block familiar both modelers do-it yourselfers handymans practice wrapping sandpaper loosely around block limits its usefulness modeling work Gluing paper neatly block turns scrap sandpaper precision modeling tool Although sandpaper can fastened contact cement other adhesive hand rubbery adhesives suit purpose best can softened heat worn paper can easily peeled off replaced Since loose projecting edges sandpapering tool will inevitably cause gouges delicate model parts always take two precautions making new retreaded block Fasten edges corners sandpaper securely smooth off sharp edges sheet coarse-grade sandpaper 2 A super sanding board valuable addition arsenal abrasives Placed lap workbench provides solid flat nonskid surface support parts being sanded Because its size weight board can remain stationary use both hands draw part complete assembly across its abrasive surface described section 6 3 A family multipurpose tools no less set pattern files grinding burrs allows finish wide variety shapes work tight places Emery boards made flexible cardboard easily trimmed narrower widths desired found drugstores next nail polish notch cutter useful idea dates 1930s Veteran modelers probably already have collection sticks dowels use sandpapering currently have hoard about 50 tools Some used over over few still waiting second use lightweight tools essential delicate work preserve valuable feel part sanding something lost using heavier block 4 A few reminders sandpapering work Clean sandpaper often abrasive surface quickiy becomes clogged sawdust greatly reducing its Continued page 188 SANDPAPER SCIENCE FOR SMALL MODELS 1PLAIN VANILLA HAND-2 SUPER SANDING BOARD LAP & BENCH HELD SANDING BLOCKMODEL HEAVY PLYNOOD OR SfOTh FLAT & HARD --HETALSLAB NO LOOSE OR SHARP APPROXEDGES DIFFERENT GRADE__________ 2 x 4 x 314..PAPER ON EACH SIDE PEELABLE GLUE PREFERRED M0E SHEET HARDNOODOF PAPER ON EACH SIDE BLOCKUSE AS BACKUP BOARD Too 3OTHER MULTIPURPOSE BLOCKS -4 HINTS FLEXIBLEASSORTED STICKS OOWELSCLEAN PAPER OFTEN BOARD- 4CANSGUARD AGAINST OVEREMERYBOTTLES TUBES ANDREPLACE NORN PAPER /SANDING /EDGEtIGHT NORK /SAVE SPECIAL BLOCKS NOTCH CUTTER / 5 SPECIALLY SHAPED BLOCKS FOR WHEELS PANTS COWLINGS ETC -ii RADIUSED BLOCKSEVEN SPECIAL BLOCKS REDUCE FLAT IfILIKE THESE ---- SPOTS- USE--& Y 2- OVERSIZE yfr7yA- IUSkiL2iJ~1 ~ EXACT BLOCK ZZ7~7 LATHE-L IKECAN OFTEN BE USED CONTOUR ISDUALITY CAN0 4 ON OTHER OBS NOT CRITICALBE PRODUCEDJK DONT THROW THEM AWAY 6 DAMAGE CONTROL SYSTEMS //PRESSURE CC4TPLED MATERIAL EmVED FASTEST \7j---~WHERE PRESSURE 5 HIGHES / _________________PRESSNOT HERE CONTROLLED WITH STOPS APE ONTROLLED3111 104 Model Aviation FEATHER CUT creates new standard ease accuracy cutting white blue foam wing cores ds off Precise single wire tracking concert micro-adjustable balance weights guided exclusive three-point tracking system guarantees ripple-free surfaces No trailing edge burn-out common two wire systems Couple FEATHER CUT Tekoas THERMAL GENERATOR fool proof temperature control youll Pro st time out Cuts straight taper wings fins stabilizers matically ts tape edge workbench dining table stores its own heavy duty mailing tube lete kit anodized plated components no hardware store trips ructions include cutting first wing making templates utter supplied adapts 50 Power supply required Guaranteed out perform rest Simply best TEKOA THE CENTER OF DESIGN 3219 CANYON LAKE flDIUE HOLLYWOOD DUflhIEJEAV 12Ae FEATHER CUT $13950 S&H THERMAL GENERATOR Power Supply $9450 S&H Museum its last owner John McCullough Sandpaper/Mcllrath Continued page 104 effectiveness toothbrush bristles chopped off about /16 works well can also try duct tape Press layer tape over abrasive surface rub forcefully strip off Cleaning can give new life paper thought over hill Though regular cleaning can stretch life sanding tool eventually abrasive will dull use Interrupting job retread block can nuisance work will go faster result will neater Jobs involve rounding smoothing benefit edge lighting Turn off nice uniform fluorescent lighting E work front single lamp unshaded bulb Hold part being sanded light strikes its surface very flat angle High low spots will strongly accented maldng precision work much easier Foam plastic sandpaper work well together Uniform textured foam beaded kind makes beautiful cowlings pants headrests etc Its also strong enough used sanding blocks Try 5 Custom sanding blocks can produce parts look made lathe router block specially shaped match desired contour finished part Shape balsa foam blank using whatever cutting sanding tools have hand finish final form custom block spinner cowling right sketch being finished special blocks ELECTRIC R MOUNTS Machined Bar Stock Incredibly Strong lncredibly Light Weight Acts Heat Sink Due tb Form Fitting Design $795 Available 3 Lengths 2/ 1i 11/6 ____________ Fits ALL Motors Metric Bolts & American Bolts Direct Order Furnished Fit Front Tapped Holes Add $100 S&H 6-32 & Blind Nuts Mounting Firewall Hal Payne EnterprisesiATPANES 1928 Gladwick Street Compton CA 90220 custom tool can produce beautifully precise parts sometimes approach isnt possibleand fact usually isnt necessary example both blocks being used round wheel blank left sketch must incorporate some clearance prevent binding blank means radius tool must somewhat larger finished part making exact fit neither practical nor necessary same blocks might useful wheels several different sizes might also used preliminary shaping blanks cowling spinner course can same tool used several different parts several different tools can used succession make single part Another way enhancing versatility blocks hold angle part being shaped sketches show block blank parallel alignment like bricks wall thats sake simplification Holding tool oblique work changes shape contacting abrasive surface producing same effect would block different contour 6 Damage control systems avoid sandpapering areas dont want sand cowling sketch left has covered A2 sheet shape Continued page 190 Hobby Horn hobby specialties MIUWAY MODEL CO Old Timer Kits R/C AND FF Hobby Horn discount prices MMC FULL KITS listed Full Kits include Cut parts plan strip sheet wood wire window material Kits marked have wire landing gear pre-bent 1936 Flying Quaker 84$6799 1938 Powerhouse 50*$3596 1937 Long Cabin 78$4952 1939 1 Sponster 503596 1940 Buzzard Bombshell 50 span kit*3596 1937 Quaker Flash 674784 1937 Air Chief 613776 1940 New Ruler 74. 1939 Thermic 100 Glider 1 0O S p Old Timer Sailplane--modifications shown RIC $8623 P & W MODEL SERVICE Old Timer kits FE RIO following discount p rice full kits full kits clude Cut parts plan stick sheet wood wire windshield material 1935 Miss America 84 $7556 1936 Buccaneer 84 $6296 1937 Dallaire 108 $7992 1936 Clipper Mk 72 $5596 1938 Kioud King 63 $4448 1938 Powerhouse 84 $5624 1938 Record Breaker 96 $7304 1938 Trenton Terror 72 $4280 1939 Korda Wake 44 $2012 1939 Mercury 72 $6128 1939 Zipper 54 $5624 1940 Ranger 46 $3355 1940 Saillane 78 $8900 1940 So Long 50 $3188 1941 Brigidier 56 $4279 1941 Super Quaker 78 $7640 1941 Playboy Jr 54 $3272 1941 Playboy Sr 78 $5372 1941 Brooklyn Oodaer 58 -54448 82 Pace 1991 CATALOGUE Upto dd 250$2pp/lstClassorfreewhen Sadto $2000 adc ested 1st order $300$2001 $450 add$375 $4501 b H0 $7000 add $425 Overrn $7000 add $500 15173 MOnAN STIA] Califadd 600%tax Send BOX 2212 MO VISAIMC # & Exp orWESTMINSTERCA 92684 Check lallow up 30 893-83llPhone days clearance 895-6629 FA checkslHours Mon-Fri 9AM 5PM 188 Model Aviation / /-.--.-- p Custom Balsa Die_Cutting Balsa Sheets745/16 X 14880104 1/8x 12X24613 753/8 x 1-/25194105 3/16x 12x24363 36 4838 1/8x 1/4131876 1/2 x 279 105106 1/4x 12x24420 1 1/16 x 228 4039 1/8 x 3/81419ti"768107 3/32x12x481004 21/16 x 33244401/8 x 1/217241081/8x 12x481149 31/16 x 45371413/16 x 3/1613 lsaBlocks1093/16X 12X48726 43/32x23550423/16x3/817216121101/4x12x48838 53/32x33953433/16x 1/22231 e77 1 x262112 1108 63/32 x 46792441/4 x 1/41827 71/8 x 23854451/4 x 3/8193078 2 x 274130 110C 81/8 x ~691/4 DUCK WOODS7 2x390149Spruce Sticks 1/8x41041/4x3/41/8x 1/8 1723 103/16 x 24462481/4 x 14360 Custom Cut Balsa 113/16 x 35879495/16 x 5/162432 Quality Prices81B1121/8 x 1/4 2128 123/16 x 491 121 50 3/8 x 3/827 42 AAA Quality Ecuadorian Balsa 81C113 1/8 x 3/82333 114 3/16 x 3/162939 131/4 x 25172513/8 x 1/23153 Sanded Close TolerancesBalsa Planks361151/4 x 1/43652 141/4 x 37093523/8 x 3/44863 1285 N Union Street821 x21571161/4 x 3/84158 151/4 x 4110134533/8 x 16573 Stockton CA 95205831 x32191171/4 x 1/24766 165/16x26082541/2x1/241 ss841x42931181/4x16789 175/16 x 382110551/2 x 3/453711 -209-464-0180852x22311195/16 x 5/164362 185/16x 4139185561/2x 16487862x33351205/16x 1/24875 193/8x26895575/8x5/85472 C L872x44751215/16x3/46789 203/8 x 390128583/3 x 3/47598883x35151223/8x3/85264 213/8 x 4165230593/4 x 184111 ace Lite Ply893 x 47151233/8 x 1/26381 221/2 x 283116601 x 1104139 Low Cost Door Skin8981241/2 x 1/26992 231/2 x 3 109 155 608for8ulkheads&FuselageSides89C1251/2 - 3/477101 241/2x 4230 268 60C118x6x48125 3-Ply Light1258 2481/8 x 12 x 48225 24CBalsa Tapered90 1/8x6x24115 125C 911/8x 12x24173Bass Sticks Aileron StockBus Hours 800-500 PST M-F921/8 x 24 x 243453648 Balsa Sticks 3648We accept VISA MasterCard931/8 x 6 x 481731263/16 x 3/162837 3648611/4 x 14363 Personal Checks & COD941/8x 12x483451273/16 x 1/42430 261/16x 1/160611611/4 x 1- 5070Shipping Handling $500951/4 x 6 x 242011283/16 x 3/83138 271/16 x 1/80914621/4 x 1-/a5782 COD add $450961/4x 12x242591293/16 x 1/23746 281/16 x 3/161016631/4 x 26390 imum Order $2500971/4 x 6x 482591303/16 x 3/44860 291/16x 1/41018645/16x 15984 litornia Residents98x 12 x 485181311/4 x 1/43442 301/16 x 3/811 20 65 5/16 x 26794add 6h/ Sales Tax988132 1/4 x 3/839 49 311/16x 1/214 24 66 3/8x 1/s659298C133 1/4x3/46480 134 3/8x3/84860 323/32x3/320711673/8x274105 lsa Ply Birch1353/8x1/25670 333/32 x 1/80914683/8 x 284122 TrailingEdge 99 3/32x6x 122531363/8 x 3/47290 343/32x1/41318691/2x1/x8011536481001/8x6x123111371/2x1/27290 353/32x3/81419701/2X290125711/8x 1/218311013/16x6x122191381/2x3/496120 36 3/32 x 1/2 17 24 708723/16 x 3/429501021/4x6x 12 242 1388 37 1/8x 1/8 09 13 70C731/4 x 136611033/32x 12x24 503 138C Contact Us Kitting Needs nose block must blended damaging thin sheeting An easy solution protect endangered area strip masking tape Larger areas can protected piece two stiff paper taped place structure soft flimsy might damaged pulling off tape try presticking tape dusty workbench woolly sweater weaken stickum little some jobs its best apply tape section sandpaper block rather model masked-off portion block can slide over vulnerable area model abrading Another way prevent oversanding use some type stop guide shown top center sketch Tapering trailing edge Hand-Launched Glider wing thinbut not-too-thin edge difficult job stop can make precise goofproof Position wing blaak trailing edge set back short distance edge workbench backup board As long sandpaper block overhangs edge board theres no way can take unwanted bite out trailing edge Adjust setback distance produce desired trailing edge thickness Indoor fliers use stops sand strip accurate predetermined thickness Continued page 194 190 Model Aviation 89 90 Scalemusters Chumps lrvisg TX hidhey ml Scalemasters an Diego Aerospace Mus2 lirn $1995 #8 90 NW Intl Sculemusters Furrugut Purk-Athul IC Champlin Fighter Museum w/Les Pructor W Seaplane Chumps Sants Musics Mus Flying 2 Hrs $1995 81 90 Tsp Gun Innitutionul Mess AZ W Model tops2 Hrn$1995 #6 89 Scalemusters Chumps St Louis uke Hunuso Schneider Cup Races2 Hrs$1995 #5 89 US Nutlo Scale & Seaplunes W Seuplune ChampsPlanesatFumetastMusEAAMus OohkaohVisit w/Rulph Beck Chicago Ms Sd & Ind 2 Hrs 995 84-99 Top Gus Champs Corul Sprisgo Ft tor Aihutros OVA Preview uLls Seuplune Site NW ntl Scalemasters tor N-il Test Flight Martiss R3C Curtiss Racer2 Hrs$1995 #3- 87 Las Vegas Scalemastero Chumps Procter Jenny Test Flight calemasters Chumps Ft Knox Museum Sig Mtg Museum d Engines tor N-28 Conot & Test Flight Seaplanes 4 Hrs 2995 #2 -88 Sculemasters Chumps Ft Knox Munesm Sig Mfg Tour USAF Museum Tour World Engines Prector N 28TestFlight B8NWSeupluseChumpsProctorN-lBConst Byron Hanger Tour2 Hrs$1995 #1 87 [us Vegas Scalemasters Chumps tor Jenny Prototype-Tour Proctor Enterprises ProctorJenoyTest Flights 82 NW Seuplane Champs Hrn 45 Mis 5 Special Edition Proctor Enterprises A/ba ros OVA Brief Constr Engine & Radio lnstall& Test Flights -2 1dm $1995 Carliss JN4O Jenny Plans- FUN SCALt 100 inches 1804 sq nil lbs B sheets w/isstructions$1995 10807 SE STACY CT PORTLAND OR 97266 PHONE 503 653-2578 PAL & SECAM ORDERS ENTERPRISES 17 MILPERA CRESCENT WANTIRNA VIC 3152 AUSTRALIA 03-80 -3899 VHS-BETA ~ vueu PLANE VIDEO Presents AEROB ATICS AND GROUND SCHOOL 105 minutes AERODYNAMICS AND STALL THEORY -plus HOW TO DO control inputol Proper takeottoLoops rolls SpinsSnap rolls Proper land egoCrosswind techniques $1995 plusS30O5/H ltoreignS600 S/HI -and BUlL DING IT RIGHT THE FIRST TIME 22 hour videotapes Nine constructionRadio lnstallation Fusela9e oonstrectionEngine setup Radio installationPusbrods Fuel systemsCovering film Props spinnersAlignmentBalaocing Shear webbingPLUS MUCH MORE $3495 plus $400 S/H ltoreign-880O S/HI Plane Video PO Box 23128available VISAClive IA 50325/IIS IOWA residents add 4% sales tan M0$wCOd 800383-B25ITOLLFREE OR 515-223-0897 RAFT Excellence Engineering Quality Manufacturing ALL KITS FEATURE Precision Scale Detailed Fiberglass Fuselages Precut Formers Foam Wings Stabs Pre-sheeted Balsa Plus Much More. CUSTOM RETRACTS & POWER PACKAGE AVAILABLE 1/9 Scale F-14 Twin $1200 1/9 Scale F-16C Single $375 1/7 Scale FIA-18 Twin $ 950 1/9 Scale F-16A Single $280 1/12 Scale SR-71 Twin $ 750 1/10 Scale F-4E Single $335 1/8 Scale A-4 Single $215 PRE-BUILT AND PAINTED F-16C F-16A F-4E ALSO AVAILABLE Send $300 Complete Product Information 203 Massachusetts Avenue Lexington MA 02173 USA Tel 617 674-2222 Fax 617 674-2188 Also Available Fiorenze Hobby Center 420 W SR434 Winter springs FL 32708 USA Tel 407 327-6353 Fax 407 327-7148 Prices subject change prior notice shipping handling extra technique involves positioning balsa blank straddled pair wires metal strips desired thickness work surface block sanding until block bottoms out metal stops sketch bottom center shows variation method small wire larger tube being used stops produce strip tapered cross section such trailing edge stock nonskid surface sanding board helpful such operations youll probably also need tape clamp metal stops work surfaceunless have three hands Attempting support flimsy wing tail assembly hand attacking sandpaper block held other hand sure invitation disaster sketch right shows cope situation Slide surface sanded across sanding board see sketch #2 letting fingertips supply both sanding pressure sliding force technique concentrates sanding action small areas directly beneath fingertips also minimizes damaging forces common sanding methods sometimes produce job shown sketch tricky Before attempting practice technique variety flat rugged surfaces following step-by-step description however applies equally easy difficult jobs trailing edge wing section shown being blended match airfoil shape ribs wing section inverted sanding board apply fingertip pressure several places along trailing edge drawdont push panel across abrasive surface Make stroke two move fingertips new position trailing edge After few passes youll able see areas need sanding action should avoided Reposition fingertips accordingly make another pass two across Continued page 196 Bill Ettlngr * S8Soniy Plant Patten0 Set give von eseoned deorgos von went hove selected beet classic designs yon choose $orn pattenno neob pen en important eoclu*ve tees, curtiss HAWK PlC 84Y wingspan ength 2288 eq wing aree Far 13 23 ClO engine annel RIC RCOS14 6 Curtlas FALCON 0-ID/AS 114 wingspan ength 3160 eq wing area Fe 23 o 38 ClO engines annel RIC RCQ5-13 8 One-Third Scale Piper Tn-Pace PA 22 8318onneepen2388sq w gene 2tn3t degnee P048 bRIC eppors 2ba 8 eoeo nogh 8038S$2898 1/3 Scale Piper cb 1-3 ognpanselongsh 28 aecid aeginne 80382$2998 Quarter Scale WW SE-BA ego/S span e 2220 eq wing aeon 78 22 engines $cOs7 8 SPAD CXIII - 781 wing span n 2125 sq wing area 13 31 engines - capable hyer 0 vaptnen imagination $cosa 8 FOKKER DR-i TRIPLANE 72wingepan 1772sqinN wing eea 78 150 engines $cos$ 8 SOPWITH CAMEL Fic K - $4 wing span sq wing orna 11 lbs wlo Rice Ply wend ft balsa vonstnction over 65 eq ft drawinge qcosi 1 8 Fokker D-VII 98 winespen sq iv wi a 85 -25 cid nnainv h ocoss 5 1/4 Scale WACO D 1930aCommerclai tary Export 88wingepan 2048 wing area 76Alength-l2lhsedlqlccl o Engine Oiae 1 223e clak-Y Airfoil Seclen e galsa-Plywood rewovable engine unite Oheob-Mounled Lending Oea $005-Ith $2788 Fiberglass cowiWbeel Pants ft Pairing Availablel Fullsiaa plane 01w lest openvovkpit Wevos avd heautiful hi piano sanriollipcvel wing. Plans show 500 rnilitay end vurnmeviOl versions 113 Scale MONOCOUPE IDA 129 Wingspan 82 Overall Length 2198 eq Wing Area For2llta38ClD Engines RC35-4 111 Effingar Posoding Meerbor AMA NPPS 1411 Pawn PricOs urefn comploto plons sub esnnn51y ft dotuilod pays lisrS PLEASE ADD 839810 shipping iwalline tobel Now ieei plan gets bvvyuo lnfvndublo int ordorli WE TECHNICAL SERVICES RO Box 420144-A Atlanta GA 30342 194 Model Aviation Champion RIC Pilot Bob Fiorenze Yellow Aircrafts F/A-18 F-16C F-4E A-4 FLASH! BOB WINS AMA NATS P18 Is oniy plane win three major events 89 US MASTERS 80 TOP GUN 91 AMA NAT w No 701 Jumpin Geo$725 AC gigh performance Sportster especially designed fun fly events Weighs 3-lb spans 485-in 40-45 power No 702 Heinkel HE 18$200 FF Scale model advanced 1924 German monoplane trainer HiLine Mni-6 geared electric motor powered three 100 mil batteries Weighs 121 grams spans 28-in No 447112A Miss America AC Old-Timer WA Texaco model 009 glow 2-channels$650 No 538Slmitar SlowMotion 15 AC Toilleos tying wing 15 engines spano 60 onex 3-ch AC$350 No 578Schweizer 1-26B AC Goarter-ocale Sailplane spans 125 0 Two plan olleeto$1475 No 581Gee Sea Model Y AC Golden Age Racer opaxo 7215 scole 6t power plan oheens$1175 No 588Mariah AC Slope-Soadog Sailplane opano 4lio ooeo 2 AC channeloS425 No 583TayIorcraft RC Sport Susie ligbtplane boildo standard 2-plocer clipped-wing air show slonter Spoos either 704 58/a 35140 two-otmke 40/48 foor-otinke engine Two plan sheets no docomentation$1000 No 598Coronet 150 AC-Assist Old-Timer enlarged 150% spano 72 uses 40size 4-slroke/30-oize 2-stmke$850 No 603Sparrow Hawk P-30 FF Competition abhor-power plane won t7 Nats Spans 30 in$225 No 619Keith Rider R4 FF Scale Golden Age racer robber powor spans 16 in$300 No 620Gimlet 40 AC Sport/Pattem plane spans Ot 40/50 engine 2 sheets$1100 No 624Keleher Leric AC Qoarter-scale homeboilt spans 00 60/00 4-stroke power 2 plan sheets no doc$1100 No 626Sweepee AC Sport/Pattem canards forward-swept wing spoos 64 uses 40 power 2 plan sheets$1300 No 628Prime Cut AC Sport/Aembatic plane spans 00 uses Quadra 35/40-size power Two plan sheetsS1300 No 630Original Fly Baby AC Old-Timer spans 72 in. ones 19/25 2-cycle 40 4-cycle power 2 plan sheets$1150 No 641LII Ole Reliable AC Old-Timer sport tier spans 50% WA enginesS575 No 644Bellanca columbia AC Schoolyard Scale tar 2 AC channels WA engine Wingspan 46 in$575 No 646winter Itawk FF Robber-power Coupe dHiner competition plane spans 47 in$375 No 65047/88 AC Special AC Aembatic sport plane 40 power spans 61 3 plan sheetsS1075 No 652Der Fledennaus AC Law-wing sport plane 20/25 power spans 55 inS675 No 654Tamacat AC Trainer/spsrtster styled like P14 spans 00 40/61 power Fnor plan sheets$1525 No BBSAetmetar PF AMA Class A/B Gas plane spans 07 uses 325/350cc power$800 No 657Super Squire AC Trainer 35140 2-stroke 53 4-stroke power spans 5614 in$750 No 659Boom Box FF Wakefield Robber compe00on plane spans 54 inS400 No 661Embry-Omatic FF Embryo Endurance robber-pawer plane spans 20 in$200 No 663Pea Patch AC Sportster spans 60 uses 40150 4-stroke power 2 plan sheetsS000 No 684Stuka Stunt CL WA Stunter semiscale spans 37rA inS500 No 665Conacientious Oblactor FF Mulnibill Rubber competition plane spans SOW tatS575 No 668Blita AC Sportater spans 40 in. rises hot 28/32 power 2 plan sheets*1075 No 667AT-fl CL Semiscale pmtle Stunner 35/40 power spans 47 in$575 No 669Roto Raven AC Sailplane unique twist-wing control Spano 76-in Requims elenos mising$650 No 671Casana Cardinal PP Reminder Scale sport tier fsr WA power spans 39W-in$575 No 672Kmckerjac AC opdated nemion pioneer sport plane spans 74-in two plan sheets$1375 No 674Krumpler AC 075-powered Electric semi-scale bi-winger spans 39-inS575 No 675BDP1 FF twin-tailed sport flier Cos 02 Pee Wee engine spans 25-in$225 No 676Hiliner AC twin-electdc high-wing Sport ship designed Hiline Imp-tO motor Has tdcycle gear asd spans 40 55400 No 677Thunderbird CL Stunter 20-35 power Two plan oheets drawn odginal 1962 veco kit Spans 54 in$075 No 678Bean Box PF Want Coast Sostoqion Outdoor design Spans 16/a in$150 No 679Big Dingol Large AC Sporister spano OS Per 120-24 power Two plan sheets$1700 No 680Beiieevs winner Rossias FAI CL Combat ship spans 47 in$475 No 6811969 Bade 904 PF Rubber Scale model spans 16W in$325 No 682B T Vintage Trainer AC Reminder-Scale Sportster 20-size engines Spans 47% two plan sheets$1150 No 683Michaels Mustang CL Sport Scale P-Si WA engines Spans 21 is$325 No 684Staggerwing Beach 3-Chonnel AC Schoolyard-Scale bi-wing Sportoter 049 power Spans 32-in$375 No 685Akro-Bat CL Stunter high-parfonoance 049 engines Spans 32-in$230 No 686Poller AC Pattem-type sport plane 2- 4-cycle power Spans 65-in$725 No 687windsock Non-tying Protle P-St used wiodnane Spsns 30-in$575 No 688Stealth Glider PP robberband-launched foam/balsa Canard Catapot/Steath Glider combe Spans 9W-in$200 No 689Thomas Morse Scout 54C AC A-scale biplane 90 power Spans 63-in 3 plan sheets$1975 No 690P829 Twin Muatang CL Protle Sporlater twin MWS 25 dlesels Spans 48-in 2 plan sheets$1050 No 6911927 HL2 PP Susie model Polish homebait 0-0 woO motor robber C02 Spans 29-in$225 No6923 Mater Scooter AC High Performonce Sailplane Spans 110-in 2 plan sheets$1150 No 693Cardinel Classic CL Sport Stenter 35 power Spans 50-in$575 No 694Airnasater AC Canord Sportster two 40 push-pull engines 00 pusher tractor Spans 66-in 2 plas sheets . $1475 No 695Spirit 06 St Louis CL Scale roplica 1525 power Spano 48-in$575 No 696Pole Cat PP P-30 Class AMA Sanior rocord holder Spans 31-In$225 No 697Tigerkltten B AC lligb-perfnnoaoce Sport Aerobatic design 00/15 Cobalt electric power Spans 54-in plan sheet plus toe-page inetroctloo booldet$1000 No 696Novacione CL One-design multi-enent Sport tler 35 power Spans 42-in$400 No 699 Top Cat 90L-1 PP Rubber PAl Indoor Stick Gliderholder AMA Cat PlO & Stick National Recards Spans 13125-in Two plan skeets$300 No 700 Randys Dime AC economical neroatile Sport Trainer ideal 10 power Weighs 33-os. spans 50-is$575 0 nj 5CsJ 0 V ssc 01 no 5 3 0 O co 01 00~ 0 00 0 0 V3 01 55 0 -0o N 0 5 Jo 01510 -01 0 55 no 00 010* C5 00 v 010 _ O -Io 01 e5as 0 960 C -00 C 01CITY Os LL 0 reTi numbers of plans wish order best handling please include quests payment some other service plans order 447539578581588593598603 619620624626628630641644 646650652654655657659661 663664665666667669671672 0 2674675676677678679680681 -682683684685686687688689 690691692693694695696697 698699700701702 Plan price inCludes first Class postage US delivery Air Mail over 300 miles orders non-US address lease add $250 Air Mail osta e handlin Ian Make check money order le US funds drawn US bank Model Aviation AMA 1810 Samuel Morse Dr Reston \JA 22090 Please allow 3 6 weeks delivery Please print CarefullyEnclosed $ ______________________ NAME ________________________________________________ AMA No _________________ STREET ZIP L2TATE Letters Editor Continued page 6 RC Combat attracts members Editors note letter written Dr Sandy Frank Weatheiford Texas Sandy tells us has received almost 100 letters similar expressing interest RCCA Radio Control Combat Association read interest letter editor Model Aviation am interested becoming member charter otherwise recently assembled Kombat 40 Enya 45 CX tuned pipe flies well now am search others dogfight idea aerial combat made immediate sense saw Airplane Factory ad have no doubt will soon see sanctioned events planes Rules will have formulated course As relative newcomer hobby flying three years input might limited am willing help way can am curious about what kind doctor notice life member AMA assume newcomer hobby information am mechanical engineer Lehigh class 78 running own air conditioning business build special refrigeration machinery computer controlled screw machines 1000 hp service large AC systems repaired main AC Cunard Princess Malta before headed Persian Gulf R&R duty Because background RC flying perfect hobby will striving over years understand detail model flight control engines Please let know progressing RCCA may fit Benjamin Bailey Rumson New Jersey Ed note Dr Sandy Frank psychologist RMcM Sandpaper/Mcllrath Continued page 188 sanding board again inspect work ribs have unwanted flat spots protect strips masking tape before resuming little practice youll soon learn quick accurate damage-free work delicate structures tools techniques certainly arent new Perhaps already use someor allof yourself give try may discover hidden talent old-fashioned paper thinks its tool 196 Model Aviation
Edition: Model Aviation - 1991/11
Page Numbers: 104, 188, 190, 194, 196
FOR SMALL MODELS custom-shaped blocks techniques controlling damage theres lot learn about working sandpaper U Paul Mcllrath IF YOURE horror movie fan know about versatility modem chain saw Sandpaper tool buy sheet has us longer its equally versatile As check how-to folders hardware store shows sandpaper can anything grinding rust off old Volkswagen polishing expensive coffee table What folders don t tell work /32 balsa two-pound-density foam soft materials fragile structures small models require original methods also open up some unique possibilities creative modeler can use sandpaper smoothing exterior model major cutting shaping operations well Sandpaper can replace handymans lathe router sanderand yes chain saw following discussion sandpaper technology keyed accompanying six-part illustration 1 The handheld sanding block familiar both modelers do-it yourselfers handymans practice wrapping sandpaper loosely around block limits its usefulness modeling work Gluing paper neatly block turns scrap sandpaper precision modeling tool Although sandpaper can fastened contact cement other adhesive hand rubbery adhesives suit purpose best can softened heat worn paper can easily peeled off replaced Since loose projecting edges sandpapering tool will inevitably cause gouges delicate model parts always take two precautions making new retreaded block Fasten edges corners sandpaper securely smooth off sharp edges sheet coarse-grade sandpaper 2 A super sanding board valuable addition arsenal abrasives Placed lap workbench provides solid flat nonskid surface support parts being sanded Because its size weight board can remain stationary use both hands draw part complete assembly across its abrasive surface described section 6 3 A family multipurpose tools no less set pattern files grinding burrs allows finish wide variety shapes work tight places Emery boards made flexible cardboard easily trimmed narrower widths desired found drugstores next nail polish notch cutter useful idea dates 1930s Veteran modelers probably already have collection sticks dowels use sandpapering currently have hoard about 50 tools Some used over over few still waiting second use lightweight tools essential delicate work preserve valuable feel part sanding something lost using heavier block 4 A few reminders sandpapering work Clean sandpaper often abrasive surface quickiy becomes clogged sawdust greatly reducing its Continued page 188 SANDPAPER SCIENCE FOR SMALL MODELS 1PLAIN VANILLA HAND-2 SUPER SANDING BOARD LAP & BENCH HELD SANDING BLOCKMODEL HEAVY PLYNOOD OR SfOTh FLAT & HARD --HETALSLAB NO LOOSE OR SHARP APPROXEDGES DIFFERENT GRADE__________ 2 x 4 x 314..PAPER ON EACH SIDE PEELABLE GLUE PREFERRED M0E SHEET HARDNOODOF PAPER ON EACH SIDE BLOCKUSE AS BACKUP BOARD Too 3OTHER MULTIPURPOSE BLOCKS -4 HINTS FLEXIBLEASSORTED STICKS OOWELSCLEAN PAPER OFTEN BOARD- 4CANSGUARD AGAINST OVEREMERYBOTTLES TUBES ANDREPLACE NORN PAPER /SANDING /EDGEtIGHT NORK /SAVE SPECIAL BLOCKS NOTCH CUTTER / 5 SPECIALLY SHAPED BLOCKS FOR WHEELS PANTS COWLINGS ETC -ii RADIUSED BLOCKSEVEN SPECIAL BLOCKS REDUCE FLAT IfILIKE THESE ---- SPOTS- USE--& Y 2- OVERSIZE yfr7yA- IUSkiL2iJ~1 ~ EXACT BLOCK ZZ7~7 LATHE-L IKECAN OFTEN BE USED CONTOUR ISDUALITY CAN0 4 ON OTHER OBS NOT CRITICALBE PRODUCEDJK DONT THROW THEM AWAY 6 DAMAGE CONTROL SYSTEMS //PRESSURE CC4TPLED MATERIAL EmVED FASTEST \7j---~WHERE PRESSURE 5 HIGHES / _________________PRESSNOT HERE CONTROLLED WITH STOPS APE ONTROLLED3111 104 Model Aviation FEATHER CUT creates new standard ease accuracy cutting white blue foam wing cores ds off Precise single wire tracking concert micro-adjustable balance weights guided exclusive three-point tracking system guarantees ripple-free surfaces No trailing edge burn-out common two wire systems Couple FEATHER CUT Tekoas THERMAL GENERATOR fool proof temperature control youll Pro st time out Cuts straight taper wings fins stabilizers matically ts tape edge workbench dining table stores its own heavy duty mailing tube lete kit anodized plated components no hardware store trips ructions include cutting first wing making templates utter supplied adapts 50 Power supply required Guaranteed out perform rest Simply best TEKOA THE CENTER OF DESIGN 3219 CANYON LAKE flDIUE HOLLYWOOD DUflhIEJEAV 12Ae FEATHER CUT $13950 S&H THERMAL GENERATOR Power Supply $9450 S&H Museum its last owner John McCullough Sandpaper/Mcllrath Continued page 104 effectiveness toothbrush bristles chopped off about /16 works well can also try duct tape Press layer tape over abrasive surface rub forcefully strip off Cleaning can give new life paper thought over hill Though regular cleaning can stretch life sanding tool eventually abrasive will dull use Interrupting job retread block can nuisance work will go faster result will neater Jobs involve rounding smoothing benefit edge lighting Turn off nice uniform fluorescent lighting E work front single lamp unshaded bulb Hold part being sanded light strikes its surface very flat angle High low spots will strongly accented maldng precision work much easier Foam plastic sandpaper work well together Uniform textured foam beaded kind makes beautiful cowlings pants headrests etc Its also strong enough used sanding blocks Try 5 Custom sanding blocks can produce parts look made lathe router block specially shaped match desired contour finished part Shape balsa foam blank using whatever cutting sanding tools have hand finish final form custom block spinner cowling right sketch being finished special blocks ELECTRIC R MOUNTS Machined Bar Stock Incredibly Strong lncredibly Light Weight Acts Heat Sink Due tb Form Fitting Design $795 Available 3 Lengths 2/ 1i 11/6 ____________ Fits ALL Motors Metric Bolts & American Bolts Direct Order Furnished Fit Front Tapped Holes Add $100 S&H 6-32 & Blind Nuts Mounting Firewall Hal Payne EnterprisesiATPANES 1928 Gladwick Street Compton CA 90220 custom tool can produce beautifully precise parts sometimes approach isnt possibleand fact usually isnt necessary example both blocks being used round wheel blank left sketch must incorporate some clearance prevent binding blank means radius tool must somewhat larger finished part making exact fit neither practical nor necessary same blocks might useful wheels several different sizes might also used preliminary shaping blanks cowling spinner course can same tool used several different parts several different tools can used succession make single part Another way enhancing versatility blocks hold angle part being shaped sketches show block blank parallel alignment like bricks wall thats sake simplification Holding tool oblique work changes shape contacting abrasive surface producing same effect would block different contour 6 Damage control systems avoid sandpapering areas dont want sand cowling sketch left has covered A2 sheet shape Continued page 190 Hobby Horn hobby specialties MIUWAY MODEL CO Old Timer Kits R/C AND FF Hobby Horn discount prices MMC FULL KITS listed Full Kits include Cut parts plan strip sheet wood wire window material Kits marked have wire landing gear pre-bent 1936 Flying Quaker 84$6799 1938 Powerhouse 50*$3596 1937 Long Cabin 78$4952 1939 1 Sponster 503596 1940 Buzzard Bombshell 50 span kit*3596 1937 Quaker Flash 674784 1937 Air Chief 613776 1940 New Ruler 74. 1939 Thermic 100 Glider 1 0O S p Old Timer Sailplane--modifications shown RIC $8623 P & W MODEL SERVICE Old Timer kits FE RIO following discount p rice full kits full kits clude Cut parts plan stick sheet wood wire windshield material 1935 Miss America 84 $7556 1936 Buccaneer 84 $6296 1937 Dallaire 108 $7992 1936 Clipper Mk 72 $5596 1938 Kioud King 63 $4448 1938 Powerhouse 84 $5624 1938 Record Breaker 96 $7304 1938 Trenton Terror 72 $4280 1939 Korda Wake 44 $2012 1939 Mercury 72 $6128 1939 Zipper 54 $5624 1940 Ranger 46 $3355 1940 Saillane 78 $8900 1940 So Long 50 $3188 1941 Brigidier 56 $4279 1941 Super Quaker 78 $7640 1941 Playboy Jr 54 $3272 1941 Playboy Sr 78 $5372 1941 Brooklyn Oodaer 58 -54448 82 Pace 1991 CATALOGUE Upto dd 250$2pp/lstClassorfreewhen Sadto $2000 adc ested 1st order $300$2001 $450 add$375 $4501 b H0 $7000 add $425 Overrn $7000 add $500 15173 MOnAN STIA] Califadd 600%tax Send BOX 2212 MO VISAIMC # & Exp orWESTMINSTERCA 92684 Check lallow up 30 893-83llPhone days clearance 895-6629 FA checkslHours Mon-Fri 9AM 5PM 188 Model Aviation / /-.--.-- p Custom Balsa Die_Cutting Balsa Sheets745/16 X 14880104 1/8x 12X24613 753/8 x 1-/25194105 3/16x 12x24363 36 4838 1/8x 1/4131876 1/2 x 279 105106 1/4x 12x24420 1 1/16 x 228 4039 1/8 x 3/81419ti"768107 3/32x12x481004 21/16 x 33244401/8 x 1/217241081/8x 12x481149 31/16 x 45371413/16 x 3/1613 lsaBlocks1093/16X 12X48726 43/32x23550423/16x3/817216121101/4x12x48838 53/32x33953433/16x 1/22231 e77 1 x262112 1108 63/32 x 46792441/4 x 1/41827 71/8 x 23854451/4 x 3/8193078 2 x 274130 110C 81/8 x ~691/4 DUCK WOODS7 2x390149Spruce Sticks 1/8x41041/4x3/41/8x 1/8 1723 103/16 x 24462481/4 x 14360 Custom Cut Balsa 113/16 x 35879495/16 x 5/162432 Quality Prices81B1121/8 x 1/4 2128 123/16 x 491 121 50 3/8 x 3/827 42 AAA Quality Ecuadorian Balsa 81C113 1/8 x 3/82333 114 3/16 x 3/162939 131/4 x 25172513/8 x 1/23153 Sanded Close TolerancesBalsa Planks361151/4 x 1/43652 141/4 x 37093523/8 x 3/44863 1285 N Union Street821 x21571161/4 x 3/84158 151/4 x 4110134533/8 x 16573 Stockton CA 95205831 x32191171/4 x 1/24766 165/16x26082541/2x1/241 ss841x42931181/4x16789 175/16 x 382110551/2 x 3/453711 -209-464-0180852x22311195/16 x 5/164362 185/16x 4139185561/2x 16487862x33351205/16x 1/24875 193/8x26895575/8x5/85472 C L872x44751215/16x3/46789 203/8 x 390128583/3 x 3/47598883x35151223/8x3/85264 213/8 x 4165230593/4 x 184111 ace Lite Ply893 x 47151233/8 x 1/26381 221/2 x 283116601 x 1104139 Low Cost Door Skin8981241/2 x 1/26992 231/2 x 3 109 155 608for8ulkheads&FuselageSides89C1251/2 - 3/477101 241/2x 4230 268 60C118x6x48125 3-Ply Light1258 2481/8 x 12 x 48225 24CBalsa Tapered90 1/8x6x24115 125C 911/8x 12x24173Bass Sticks Aileron StockBus Hours 800-500 PST M-F921/8 x 24 x 243453648 Balsa Sticks 3648We accept VISA MasterCard931/8 x 6 x 481731263/16 x 3/162837 3648611/4 x 14363 Personal Checks & COD941/8x 12x483451273/16 x 1/42430 261/16x 1/160611611/4 x 1- 5070Shipping Handling $500951/4 x 6 x 242011283/16 x 3/83138 271/16 x 1/80914621/4 x 1-/a5782 COD add $450961/4x 12x242591293/16 x 1/23746 281/16 x 3/161016631/4 x 26390 imum Order $2500971/4 x 6x 482591303/16 x 3/44860 291/16x 1/41018645/16x 15984 litornia Residents98x 12 x 485181311/4 x 1/43442 301/16 x 3/811 20 65 5/16 x 26794add 6h/ Sales Tax988132 1/4 x 3/839 49 311/16x 1/214 24 66 3/8x 1/s659298C133 1/4x3/46480 134 3/8x3/84860 323/32x3/320711673/8x274105 lsa Ply Birch1353/8x1/25670 333/32 x 1/80914683/8 x 284122 TrailingEdge 99 3/32x6x 122531363/8 x 3/47290 343/32x1/41318691/2x1/x8011536481001/8x6x123111371/2x1/27290 353/32x3/81419701/2X290125711/8x 1/218311013/16x6x122191381/2x3/496120 36 3/32 x 1/2 17 24 708723/16 x 3/429501021/4x6x 12 242 1388 37 1/8x 1/8 09 13 70C731/4 x 136611033/32x 12x24 503 138C Contact Us Kitting Needs nose block must blended damaging thin sheeting An easy solution protect endangered area strip masking tape Larger areas can protected piece two stiff paper taped place structure soft flimsy might damaged pulling off tape try presticking tape dusty workbench woolly sweater weaken stickum little some jobs its best apply tape section sandpaper block rather model masked-off portion block can slide over vulnerable area model abrading Another way prevent oversanding use some type stop guide shown top center sketch Tapering trailing edge Hand-Launched Glider wing thinbut not-too-thin edge difficult job stop can make precise goofproof Position wing blaak trailing edge set back short distance edge workbench backup board As long sandpaper block overhangs edge board theres no way can take unwanted bite out trailing edge Adjust setback distance produce desired trailing edge thickness Indoor fliers use stops sand strip accurate predetermined thickness Continued page 194 190 Model Aviation 89 90 Scalemusters Chumps lrvisg TX hidhey ml Scalemasters an Diego Aerospace Mus2 lirn $1995 #8 90 NW Intl Sculemusters Furrugut Purk-Athul IC Champlin Fighter Museum w/Les Pructor W Seaplane Chumps Sants Musics Mus Flying 2 Hrs $1995 81 90 Tsp Gun Innitutionul Mess AZ W Model tops2 Hrn$1995 #6 89 Scalemusters Chumps St Louis uke Hunuso Schneider Cup Races2 Hrs$1995 #5 89 US Nutlo Scale & Seaplunes W Seuplune ChampsPlanesatFumetastMusEAAMus OohkaohVisit w/Rulph Beck Chicago Ms Sd & Ind 2 Hrs 995 84-99 Top Gus Champs Corul Sprisgo Ft tor Aihutros OVA Preview uLls Seuplune Site NW ntl Scalemasters tor N-il Test Flight Martiss R3C Curtiss Racer2 Hrs$1995 #3- 87 Las Vegas Scalemastero Chumps Procter Jenny Test Flight calemasters Chumps Ft Knox Museum Sig Mtg Museum d Engines tor N-28 Conot & Test Flight Seaplanes 4 Hrs 2995 #2 -88 Sculemasters Chumps Ft Knox Munesm Sig Mfg Tour USAF Museum Tour World Engines Prector N 28TestFlight B8NWSeupluseChumpsProctorN-lBConst Byron Hanger Tour2 Hrs$1995 #1 87 [us Vegas Scalemasters Chumps tor Jenny Prototype-Tour Proctor Enterprises ProctorJenoyTest Flights 82 NW Seuplane Champs Hrn 45 Mis 5 Special Edition Proctor Enterprises A/ba ros OVA Brief Constr Engine & Radio lnstall& Test Flights -2 1dm $1995 Carliss JN4O Jenny Plans- FUN SCALt 100 inches 1804 sq nil lbs B sheets w/isstructions$1995 10807 SE STACY CT PORTLAND OR 97266 PHONE 503 653-2578 PAL & SECAM ORDERS ENTERPRISES 17 MILPERA CRESCENT WANTIRNA VIC 3152 AUSTRALIA 03-80 -3899 VHS-BETA ~ vueu PLANE VIDEO Presents AEROB ATICS AND GROUND SCHOOL 105 minutes AERODYNAMICS AND STALL THEORY -plus HOW TO DO control inputol Proper takeottoLoops rolls SpinsSnap rolls Proper land egoCrosswind techniques $1995 plusS30O5/H ltoreignS600 S/HI -and BUlL DING IT RIGHT THE FIRST TIME 22 hour videotapes Nine constructionRadio lnstallation Fusela9e oonstrectionEngine setup Radio installationPusbrods Fuel systemsCovering film Props spinnersAlignmentBalaocing Shear webbingPLUS MUCH MORE $3495 plus $400 S/H ltoreign-880O S/HI Plane Video PO Box 23128available VISAClive IA 50325/IIS IOWA residents add 4% sales tan M0$wCOd 800383-B25ITOLLFREE OR 515-223-0897 RAFT Excellence Engineering Quality Manufacturing ALL KITS FEATURE Precision Scale Detailed Fiberglass Fuselages Precut Formers Foam Wings Stabs Pre-sheeted Balsa Plus Much More. CUSTOM RETRACTS & POWER PACKAGE AVAILABLE 1/9 Scale F-14 Twin $1200 1/9 Scale F-16C Single $375 1/7 Scale FIA-18 Twin $ 950 1/9 Scale F-16A Single $280 1/12 Scale SR-71 Twin $ 750 1/10 Scale F-4E Single $335 1/8 Scale A-4 Single $215 PRE-BUILT AND PAINTED F-16C F-16A F-4E ALSO AVAILABLE Send $300 Complete Product Information 203 Massachusetts Avenue Lexington MA 02173 USA Tel 617 674-2222 Fax 617 674-2188 Also Available Fiorenze Hobby Center 420 W SR434 Winter springs FL 32708 USA Tel 407 327-6353 Fax 407 327-7148 Prices subject change prior notice shipping handling extra technique involves positioning balsa blank straddled pair wires metal strips desired thickness work surface block sanding until block bottoms out metal stops sketch bottom center shows variation method small wire larger tube being used stops produce strip tapered cross section such trailing edge stock nonskid surface sanding board helpful such operations youll probably also need tape clamp metal stops work surfaceunless have three hands Attempting support flimsy wing tail assembly hand attacking sandpaper block held other hand sure invitation disaster sketch right shows cope situation Slide surface sanded across sanding board see sketch #2 letting fingertips supply both sanding pressure sliding force technique concentrates sanding action small areas directly beneath fingertips also minimizes damaging forces common sanding methods sometimes produce job shown sketch tricky Before attempting practice technique variety flat rugged surfaces following step-by-step description however applies equally easy difficult jobs trailing edge wing section shown being blended match airfoil shape ribs wing section inverted sanding board apply fingertip pressure several places along trailing edge drawdont push panel across abrasive surface Make stroke two move fingertips new position trailing edge After few passes youll able see areas need sanding action should avoided Reposition fingertips accordingly make another pass two across Continued page 196 Bill Ettlngr * S8Soniy Plant Patten0 Set give von eseoned deorgos von went hove selected beet classic designs yon choose $orn pattenno neob pen en important eoclu*ve tees, curtiss HAWK PlC 84Y wingspan ength 2288 eq wing aree Far 13 23 ClO engine annel RIC RCOS14 6 Curtlas FALCON 0-ID/AS 114 wingspan ength 3160 eq wing area Fe 23 o 38 ClO engines annel RIC RCQ5-13 8 One-Third Scale Piper Tn-Pace PA 22 8318onneepen2388sq w gene 2tn3t degnee P048 bRIC eppors 2ba 8 eoeo nogh 8038S$2898 1/3 Scale Piper cb 1-3 ognpanselongsh 28 aecid aeginne 80382$2998 Quarter Scale WW SE-BA ego/S span e 2220 eq wing aeon 78 22 engines $cOs7 8 SPAD CXIII - 781 wing span n 2125 sq wing area 13 31 engines - capable hyer 0 vaptnen imagination $cosa 8 FOKKER DR-i TRIPLANE 72wingepan 1772sqinN wing eea 78 150 engines $cos$ 8 SOPWITH CAMEL Fic K - $4 wing span sq wing orna 11 lbs wlo Rice Ply wend ft balsa vonstnction over 65 eq ft drawinge qcosi 1 8 Fokker D-VII 98 winespen sq iv wi a 85 -25 cid nnainv h ocoss 5 1/4 Scale WACO D 1930aCommerclai tary Export 88wingepan 2048 wing area 76Alength-l2lhsedlqlccl o Engine Oiae 1 223e clak-Y Airfoil Seclen e galsa-Plywood rewovable engine unite Oheob-Mounled Lending Oea $005-Ith $2788 Fiberglass cowiWbeel Pants ft Pairing Availablel Fullsiaa plane 01w lest openvovkpit Wevos avd heautiful hi piano sanriollipcvel wing. Plans show 500 rnilitay end vurnmeviOl versions 113 Scale MONOCOUPE IDA 129 Wingspan 82 Overall Length 2198 eq Wing Area For2llta38ClD Engines RC35-4 111 Effingar Posoding Meerbor AMA NPPS 1411 Pawn PricOs urefn comploto plons sub esnnn51y ft dotuilod pays lisrS PLEASE ADD 839810 shipping iwalline tobel Now ieei plan gets bvvyuo lnfvndublo int ordorli WE TECHNICAL SERVICES RO Box 420144-A Atlanta GA 30342 194 Model Aviation Champion RIC Pilot Bob Fiorenze Yellow Aircrafts F/A-18 F-16C F-4E A-4 FLASH! BOB WINS AMA NATS P18 Is oniy plane win three major events 89 US MASTERS 80 TOP GUN 91 AMA NAT w No 701 Jumpin Geo$725 AC gigh performance Sportster especially designed fun fly events Weighs 3-lb spans 485-in 40-45 power No 702 Heinkel HE 18$200 FF Scale model advanced 1924 German monoplane trainer HiLine Mni-6 geared electric motor powered three 100 mil batteries Weighs 121 grams spans 28-in No 447112A Miss America AC Old-Timer WA Texaco model 009 glow 2-channels$650 No 538Slmitar SlowMotion 15 AC Toilleos tying wing 15 engines spano 60 onex 3-ch AC$350 No 578Schweizer 1-26B AC Goarter-ocale Sailplane spans 125 0 Two plan olleeto$1475 No 581Gee Sea Model Y AC Golden Age Racer opaxo 7215 scole 6t power plan oheens$1175 No 588Mariah AC Slope-Soadog Sailplane opano 4lio ooeo 2 AC channeloS425 No 583TayIorcraft RC Sport Susie ligbtplane boildo standard 2-plocer clipped-wing air show slonter Spoos either 704 58/a 35140 two-otmke 40/48 foor-otinke engine Two plan sheets no docomentation$1000 No 598Coronet 150 AC-Assist Old-Timer enlarged 150% spano 72 uses 40size 4-slroke/30-oize 2-stmke$850 No 603Sparrow Hawk P-30 FF Competition abhor-power plane won t7 Nats Spans 30 in$225 No 619Keith Rider R4 FF Scale Golden Age racer robber powor spans 16 in$300 No 620Gimlet 40 AC Sport/Pattem plane spans Ot 40/50 engine 2 sheets$1100 No 624Keleher Leric AC Qoarter-scale homeboilt spans 00 60/00 4-stroke power 2 plan sheets no doc$1100 No 626Sweepee AC Sport/Pattem canards forward-swept wing spoos 64 uses 40 power 2 plan sheets$1300 No 628Prime Cut AC Sport/Aembatic plane spans 00 uses Quadra 35/40-size power Two plan sheetsS1300 No 630Original Fly Baby AC Old-Timer spans 72 in. ones 19/25 2-cycle 40 4-cycle power 2 plan sheets$1150 No 641LII Ole Reliable AC Old-Timer sport tier spans 50% WA enginesS575 No 644Bellanca columbia AC Schoolyard Scale tar 2 AC channels WA engine Wingspan 46 in$575 No 646winter Itawk FF Robber-power Coupe dHiner competition plane spans 47 in$375 No 65047/88 AC Special AC Aembatic sport plane 40 power spans 61 3 plan sheetsS1075 No 652Der Fledennaus AC Law-wing sport plane 20/25 power spans 55 inS675 No 654Tamacat AC Trainer/spsrtster styled like P14 spans 00 40/61 power Fnor plan sheets$1525 No BBSAetmetar PF AMA Class A/B Gas plane spans 07 uses 325/350cc power$800 No 657Super Squire AC Trainer 35140 2-stroke 53 4-stroke power spans 5614 in$750 No 659Boom Box FF Wakefield Robber compe00on plane spans 54 inS400 No 661Embry-Omatic FF Embryo Endurance robber-pawer plane spans 20 in$200 No 663Pea Patch AC Sportster spans 60 uses 40150 4-stroke power 2 plan sheetsS000 No 684Stuka Stunt CL WA Stunter semiscale spans 37rA inS500 No 665Conacientious Oblactor FF Mulnibill Rubber competition plane spans SOW tatS575 No 668Blita AC Sportater spans 40 in. rises hot 28/32 power 2 plan sheets*1075 No 667AT-fl CL Semiscale pmtle Stunner 35/40 power spans 47 in$575 No 669Roto Raven AC Sailplane unique twist-wing control Spano 76-in Requims elenos mising$650 No 671Casana Cardinal PP Reminder Scale sport tier fsr WA power spans 39W-in$575 No 672Kmckerjac AC opdated nemion pioneer sport plane spans 74-in two plan sheets$1375 No 674Krumpler AC 075-powered Electric semi-scale bi-winger spans 39-inS575 No 675BDP1 FF twin-tailed sport flier Cos 02 Pee Wee engine spans 25-in$225 No 676Hiliner AC twin-electdc high-wing Sport ship designed Hiline Imp-tO motor Has tdcycle gear asd spans 40 55400 No 677Thunderbird CL Stunter 20-35 power Two plan oheets drawn odginal 1962 veco kit Spans 54 in$075 No 678Bean Box PF Want Coast Sostoqion Outdoor design Spans 16/a in$150 No 679Big Dingol Large AC Sporister spano OS Per 120-24 power Two plan sheets$1700 No 680Beiieevs winner Rossias FAI CL Combat ship spans 47 in$475 No 6811969 Bade 904 PF Rubber Scale model spans 16W in$325 No 682B T Vintage Trainer AC Reminder-Scale Sportster 20-size engines Spans 47% two plan sheets$1150 No 683Michaels Mustang CL Sport Scale P-Si WA engines Spans 21 is$325 No 684Staggerwing Beach 3-Chonnel AC Schoolyard-Scale bi-wing Sportoter 049 power Spans 32-in$375 No 685Akro-Bat CL Stunter high-parfonoance 049 engines Spans 32-in$230 No 686Poller AC Pattem-type sport plane 2- 4-cycle power Spans 65-in$725 No 687windsock Non-tying Protle P-St used wiodnane Spsns 30-in$575 No 688Stealth Glider PP robberband-launched foam/balsa Canard Catapot/Steath Glider combe Spans 9W-in$200 No 689Thomas Morse Scout 54C AC A-scale biplane 90 power Spans 63-in 3 plan sheets$1975 No 690P829 Twin Muatang CL Protle Sporlater twin MWS 25 dlesels Spans 48-in 2 plan sheets$1050 No 6911927 HL2 PP Susie model Polish homebait 0-0 woO motor robber C02 Spans 29-in$225 No6923 Mater Scooter AC High Performonce Sailplane Spans 110-in 2 plan sheets$1150 No 693Cardinel Classic CL Sport Stenter 35 power Spans 50-in$575 No 694Airnasater AC Canord Sportster two 40 push-pull engines 00 pusher tractor Spans 66-in 2 plas sheets . $1475 No 695Spirit 06 St Louis CL Scale roplica 1525 power Spano 48-in$575 No 696Pole Cat PP P-30 Class AMA Sanior rocord holder Spans 31-In$225 No 697Tigerkltten B AC lligb-perfnnoaoce Sport Aerobatic design 00/15 Cobalt electric power Spans 54-in plan sheet plus toe-page inetroctloo booldet$1000 No 696Novacione CL One-design multi-enent Sport tler 35 power Spans 42-in$400 No 699 Top Cat 90L-1 PP Rubber PAl Indoor Stick Gliderholder AMA Cat PlO & Stick National Recards Spans 13125-in Two plan skeets$300 No 700 Randys Dime AC economical neroatile Sport Trainer ideal 10 power Weighs 33-os. spans 50-is$575 0 nj 5CsJ 0 V ssc 01 no 5 3 0 O co 01 00~ 0 00 0 0 V3 01 55 0 -0o N 0 5 Jo 01510 -01 0 55 no 00 010* C5 00 v 010 _ O -Io 01 e5as 0 960 C -00 C 01CITY Os LL 0 reTi numbers of plans wish order best handling please include quests payment some other service plans order 447539578581588593598603 619620624626628630641644 646650652654655657659661 663664665666667669671672 0 2674675676677678679680681 -682683684685686687688689 690691692693694695696697 698699700701702 Plan price inCludes first Class postage US delivery Air Mail over 300 miles orders non-US address lease add $250 Air Mail osta e handlin Ian Make check money order le US funds drawn US bank Model Aviation AMA 1810 Samuel Morse Dr Reston \JA 22090 Please allow 3 6 weeks delivery Please print CarefullyEnclosed $ ______________________ NAME ________________________________________________ AMA No _________________ STREET ZIP L2TATE Letters Editor Continued page 6 RC Combat attracts members Editors note letter written Dr Sandy Frank Weatheiford Texas Sandy tells us has received almost 100 letters similar expressing interest RCCA Radio Control Combat Association read interest letter editor Model Aviation am interested becoming member charter otherwise recently assembled Kombat 40 Enya 45 CX tuned pipe flies well now am search others dogfight idea aerial combat made immediate sense saw Airplane Factory ad have no doubt will soon see sanctioned events planes Rules will have formulated course As relative newcomer hobby flying three years input might limited am willing help way can am curious about what kind doctor notice life member AMA assume newcomer hobby information am mechanical engineer Lehigh class 78 running own air conditioning business build special refrigeration machinery computer controlled screw machines 1000 hp service large AC systems repaired main AC Cunard Princess Malta before headed Persian Gulf R&R duty Because background RC flying perfect hobby will striving over years understand detail model flight control engines Please let know progressing RCCA may fit Benjamin Bailey Rumson New Jersey Ed note Dr Sandy Frank psychologist RMcM Sandpaper/Mcllrath Continued page 188 sanding board again inspect work ribs have unwanted flat spots protect strips masking tape before resuming little practice youll soon learn quick accurate damage-free work delicate structures tools techniques certainly arent new Perhaps already use someor allof yourself give try may discover hidden talent old-fashioned paper thinks its tool 196 Model Aviation
Edition: Model Aviation - 1991/11
Page Numbers: 104, 188, 190, 194, 196
FOR SMALL MODELS custom-shaped blocks techniques controlling damage theres lot learn about working sandpaper U Paul Mcllrath IF YOURE horror movie fan know about versatility modem chain saw Sandpaper tool buy sheet has us longer its equally versatile As check how-to folders hardware store shows sandpaper can anything grinding rust off old Volkswagen polishing expensive coffee table What folders don t tell work /32 balsa two-pound-density foam soft materials fragile structures small models require original methods also open up some unique possibilities creative modeler can use sandpaper smoothing exterior model major cutting shaping operations well Sandpaper can replace handymans lathe router sanderand yes chain saw following discussion sandpaper technology keyed accompanying six-part illustration 1 The handheld sanding block familiar both modelers do-it yourselfers handymans practice wrapping sandpaper loosely around block limits its usefulness modeling work Gluing paper neatly block turns scrap sandpaper precision modeling tool Although sandpaper can fastened contact cement other adhesive hand rubbery adhesives suit purpose best can softened heat worn paper can easily peeled off replaced Since loose projecting edges sandpapering tool will inevitably cause gouges delicate model parts always take two precautions making new retreaded block Fasten edges corners sandpaper securely smooth off sharp edges sheet coarse-grade sandpaper 2 A super sanding board valuable addition arsenal abrasives Placed lap workbench provides solid flat nonskid surface support parts being sanded Because its size weight board can remain stationary use both hands draw part complete assembly across its abrasive surface described section 6 3 A family multipurpose tools no less set pattern files grinding burrs allows finish wide variety shapes work tight places Emery boards made flexible cardboard easily trimmed narrower widths desired found drugstores next nail polish notch cutter useful idea dates 1930s Veteran modelers probably already have collection sticks dowels use sandpapering currently have hoard about 50 tools Some used over over few still waiting second use lightweight tools essential delicate work preserve valuable feel part sanding something lost using heavier block 4 A few reminders sandpapering work Clean sandpaper often abrasive surface quickiy becomes clogged sawdust greatly reducing its Continued page 188 SANDPAPER SCIENCE FOR SMALL MODELS 1PLAIN VANILLA HAND-2 SUPER SANDING BOARD LAP & BENCH HELD SANDING BLOCKMODEL HEAVY PLYNOOD OR SfOTh FLAT & HARD --HETALSLAB NO LOOSE OR SHARP APPROXEDGES DIFFERENT GRADE__________ 2 x 4 x 314..PAPER ON EACH SIDE PEELABLE GLUE PREFERRED M0E SHEET HARDNOODOF PAPER ON EACH SIDE BLOCKUSE AS BACKUP BOARD Too 3OTHER MULTIPURPOSE BLOCKS -4 HINTS FLEXIBLEASSORTED STICKS OOWELSCLEAN PAPER OFTEN BOARD- 4CANSGUARD AGAINST OVEREMERYBOTTLES TUBES ANDREPLACE NORN PAPER /SANDING /EDGEtIGHT NORK /SAVE SPECIAL BLOCKS NOTCH CUTTER / 5 SPECIALLY SHAPED BLOCKS FOR WHEELS PANTS COWLINGS ETC -ii RADIUSED BLOCKSEVEN SPECIAL BLOCKS REDUCE FLAT IfILIKE THESE ---- SPOTS- USE--& Y 2- OVERSIZE yfr7yA- IUSkiL2iJ~1 ~ EXACT BLOCK ZZ7~7 LATHE-L IKECAN OFTEN BE USED CONTOUR ISDUALITY CAN0 4 ON OTHER OBS NOT CRITICALBE PRODUCEDJK DONT THROW THEM AWAY 6 DAMAGE CONTROL SYSTEMS //PRESSURE CC4TPLED MATERIAL EmVED FASTEST \7j---~WHERE PRESSURE 5 HIGHES / _________________PRESSNOT HERE CONTROLLED WITH STOPS APE ONTROLLED3111 104 Model Aviation FEATHER CUT creates new standard ease accuracy cutting white blue foam wing cores ds off Precise single wire tracking concert micro-adjustable balance weights guided exclusive three-point tracking system guarantees ripple-free surfaces No trailing edge burn-out common two wire systems Couple FEATHER CUT Tekoas THERMAL GENERATOR fool proof temperature control youll Pro st time out Cuts straight taper wings fins stabilizers matically ts tape edge workbench dining table stores its own heavy duty mailing tube lete kit anodized plated components no hardware store trips ructions include cutting first wing making templates utter supplied adapts 50 Power supply required Guaranteed out perform rest Simply best TEKOA THE CENTER OF DESIGN 3219 CANYON LAKE flDIUE HOLLYWOOD DUflhIEJEAV 12Ae FEATHER CUT $13950 S&H THERMAL GENERATOR Power Supply $9450 S&H Museum its last owner John McCullough Sandpaper/Mcllrath Continued page 104 effectiveness toothbrush bristles chopped off about /16 works well can also try duct tape Press layer tape over abrasive surface rub forcefully strip off Cleaning can give new life paper thought over hill Though regular cleaning can stretch life sanding tool eventually abrasive will dull use Interrupting job retread block can nuisance work will go faster result will neater Jobs involve rounding smoothing benefit edge lighting Turn off nice uniform fluorescent lighting E work front single lamp unshaded bulb Hold part being sanded light strikes its surface very flat angle High low spots will strongly accented maldng precision work much easier Foam plastic sandpaper work well together Uniform textured foam beaded kind makes beautiful cowlings pants headrests etc Its also strong enough used sanding blocks Try 5 Custom sanding blocks can produce parts look made lathe router block specially shaped match desired contour finished part Shape balsa foam blank using whatever cutting sanding tools have hand finish final form custom block spinner cowling right sketch being finished special blocks ELECTRIC R MOUNTS Machined Bar Stock Incredibly Strong lncredibly Light Weight Acts Heat Sink Due tb Form Fitting Design $795 Available 3 Lengths 2/ 1i 11/6 ____________ Fits ALL Motors Metric Bolts & American Bolts Direct Order Furnished Fit Front Tapped Holes Add $100 S&H 6-32 & Blind Nuts Mounting Firewall Hal Payne EnterprisesiATPANES 1928 Gladwick Street Compton CA 90220 custom tool can produce beautifully precise parts sometimes approach isnt possibleand fact usually isnt necessary example both blocks being used round wheel blank left sketch must incorporate some clearance prevent binding blank means radius tool must somewhat larger finished part making exact fit neither practical nor necessary same blocks might useful wheels several different sizes might also used preliminary shaping blanks cowling spinner course can same tool used several different parts several different tools can used succession make single part Another way enhancing versatility blocks hold angle part being shaped sketches show block blank parallel alignment like bricks wall thats sake simplification Holding tool oblique work changes shape contacting abrasive surface producing same effect would block different contour 6 Damage control systems avoid sandpapering areas dont want sand cowling sketch left has covered A2 sheet shape Continued page 190 Hobby Horn hobby specialties MIUWAY MODEL CO Old Timer Kits R/C AND FF Hobby Horn discount prices MMC FULL KITS listed Full Kits include Cut parts plan strip sheet wood wire window material Kits marked have wire landing gear pre-bent 1936 Flying Quaker 84$6799 1938 Powerhouse 50*$3596 1937 Long Cabin 78$4952 1939 1 Sponster 503596 1940 Buzzard Bombshell 50 span kit*3596 1937 Quaker Flash 674784 1937 Air Chief 613776 1940 New Ruler 74. 1939 Thermic 100 Glider 1 0O S p Old Timer Sailplane--modifications shown RIC $8623 P & W MODEL SERVICE Old Timer kits FE RIO following discount p rice full kits full kits clude Cut parts plan stick sheet wood wire windshield material 1935 Miss America 84 $7556 1936 Buccaneer 84 $6296 1937 Dallaire 108 $7992 1936 Clipper Mk 72 $5596 1938 Kioud King 63 $4448 1938 Powerhouse 84 $5624 1938 Record Breaker 96 $7304 1938 Trenton Terror 72 $4280 1939 Korda Wake 44 $2012 1939 Mercury 72 $6128 1939 Zipper 54 $5624 1940 Ranger 46 $3355 1940 Saillane 78 $8900 1940 So Long 50 $3188 1941 Brigidier 56 $4279 1941 Super Quaker 78 $7640 1941 Playboy Jr 54 $3272 1941 Playboy Sr 78 $5372 1941 Brooklyn Oodaer 58 -54448 82 Pace 1991 CATALOGUE Upto dd 250$2pp/lstClassorfreewhen Sadto $2000 adc ested 1st order $300$2001 $450 add$375 $4501 b H0 $7000 add $425 Overrn $7000 add $500 15173 MOnAN STIA] Califadd 600%tax Send BOX 2212 MO VISAIMC # & Exp orWESTMINSTERCA 92684 Check lallow up 30 893-83llPhone days clearance 895-6629 FA checkslHours Mon-Fri 9AM 5PM 188 Model Aviation / /-.--.-- p Custom Balsa Die_Cutting Balsa Sheets745/16 X 14880104 1/8x 12X24613 753/8 x 1-/25194105 3/16x 12x24363 36 4838 1/8x 1/4131876 1/2 x 279 105106 1/4x 12x24420 1 1/16 x 228 4039 1/8 x 3/81419ti"768107 3/32x12x481004 21/16 x 33244401/8 x 1/217241081/8x 12x481149 31/16 x 45371413/16 x 3/1613 lsaBlocks1093/16X 12X48726 43/32x23550423/16x3/817216121101/4x12x48838 53/32x33953433/16x 1/22231 e77 1 x262112 1108 63/32 x 46792441/4 x 1/41827 71/8 x 23854451/4 x 3/8193078 2 x 274130 110C 81/8 x ~691/4 DUCK WOODS7 2x390149Spruce Sticks 1/8x41041/4x3/41/8x 1/8 1723 103/16 x 24462481/4 x 14360 Custom Cut Balsa 113/16 x 35879495/16 x 5/162432 Quality Prices81B1121/8 x 1/4 2128 123/16 x 491 121 50 3/8 x 3/827 42 AAA Quality Ecuadorian Balsa 81C113 1/8 x 3/82333 114 3/16 x 3/162939 131/4 x 25172513/8 x 1/23153 Sanded Close TolerancesBalsa Planks361151/4 x 1/43652 141/4 x 37093523/8 x 3/44863 1285 N Union Street821 x21571161/4 x 3/84158 151/4 x 4110134533/8 x 16573 Stockton CA 95205831 x32191171/4 x 1/24766 165/16x26082541/2x1/241 ss841x42931181/4x16789 175/16 x 382110551/2 x 3/453711 -209-464-0180852x22311195/16 x 5/164362 185/16x 4139185561/2x 16487862x33351205/16x 1/24875 193/8x26895575/8x5/85472 C L872x44751215/16x3/46789 203/8 x 390128583/3 x 3/47598883x35151223/8x3/85264 213/8 x 4165230593/4 x 184111 ace Lite Ply893 x 47151233/8 x 1/26381 221/2 x 283116601 x 1104139 Low Cost Door Skin8981241/2 x 1/26992 231/2 x 3 109 155 608for8ulkheads&FuselageSides89C1251/2 - 3/477101 241/2x 4230 268 60C118x6x48125 3-Ply Light1258 2481/8 x 12 x 48225 24CBalsa Tapered90 1/8x6x24115 125C 911/8x 12x24173Bass Sticks Aileron StockBus Hours 800-500 PST M-F921/8 x 24 x 243453648 Balsa Sticks 3648We accept VISA MasterCard931/8 x 6 x 481731263/16 x 3/162837 3648611/4 x 14363 Personal Checks & COD941/8x 12x483451273/16 x 1/42430 261/16x 1/160611611/4 x 1- 5070Shipping Handling $500951/4 x 6 x 242011283/16 x 3/83138 271/16 x 1/80914621/4 x 1-/a5782 COD add $450961/4x 12x242591293/16 x 1/23746 281/16 x 3/161016631/4 x 26390 imum Order $2500971/4 x 6x 482591303/16 x 3/44860 291/16x 1/41018645/16x 15984 litornia Residents98x 12 x 485181311/4 x 1/43442 301/16 x 3/811 20 65 5/16 x 26794add 6h/ Sales Tax988132 1/4 x 3/839 49 311/16x 1/214 24 66 3/8x 1/s659298C133 1/4x3/46480 134 3/8x3/84860 323/32x3/320711673/8x274105 lsa Ply Birch1353/8x1/25670 333/32 x 1/80914683/8 x 284122 TrailingEdge 99 3/32x6x 122531363/8 x 3/47290 343/32x1/41318691/2x1/x8011536481001/8x6x123111371/2x1/27290 353/32x3/81419701/2X290125711/8x 1/218311013/16x6x122191381/2x3/496120 36 3/32 x 1/2 17 24 708723/16 x 3/429501021/4x6x 12 242 1388 37 1/8x 1/8 09 13 70C731/4 x 136611033/32x 12x24 503 138C Contact Us Kitting Needs nose block must blended damaging thin sheeting An easy solution protect endangered area strip masking tape Larger areas can protected piece two stiff paper taped place structure soft flimsy might damaged pulling off tape try presticking tape dusty workbench woolly sweater weaken stickum little some jobs its best apply tape section sandpaper block rather model masked-off portion block can slide over vulnerable area model abrading Another way prevent oversanding use some type stop guide shown top center sketch Tapering trailing edge Hand-Launched Glider wing thinbut not-too-thin edge difficult job stop can make precise goofproof Position wing blaak trailing edge set back short distance edge workbench backup board As long sandpaper block overhangs edge board theres no way can take unwanted bite out trailing edge Adjust setback distance produce desired trailing edge thickness Indoor fliers use stops sand strip accurate predetermined thickness Continued page 194 190 Model Aviation 89 90 Scalemusters Chumps lrvisg TX hidhey ml Scalemasters an Diego Aerospace Mus2 lirn $1995 #8 90 NW Intl Sculemusters Furrugut Purk-Athul IC Champlin Fighter Museum w/Les Pructor W Seaplane Chumps Sants Musics Mus Flying 2 Hrs $1995 81 90 Tsp Gun Innitutionul Mess AZ W Model tops2 Hrn$1995 #6 89 Scalemusters Chumps St Louis uke Hunuso Schneider Cup Races2 Hrs$1995 #5 89 US Nutlo Scale & Seaplunes W Seuplune ChampsPlanesatFumetastMusEAAMus OohkaohVisit w/Rulph Beck Chicago Ms Sd & Ind 2 Hrs 995 84-99 Top Gus Champs Corul Sprisgo Ft tor Aihutros OVA Preview uLls Seuplune Site NW ntl Scalemasters tor N-il Test Flight Martiss R3C Curtiss Racer2 Hrs$1995 #3- 87 Las Vegas Scalemastero Chumps Procter Jenny Test Flight calemasters Chumps Ft Knox Museum Sig Mtg Museum d Engines tor N-28 Conot & Test Flight Seaplanes 4 Hrs 2995 #2 -88 Sculemasters Chumps Ft Knox Munesm Sig Mfg Tour USAF Museum Tour World Engines Prector N 28TestFlight B8NWSeupluseChumpsProctorN-lBConst Byron Hanger Tour2 Hrs$1995 #1 87 [us Vegas Scalemasters Chumps tor Jenny Prototype-Tour Proctor Enterprises ProctorJenoyTest Flights 82 NW Seuplane Champs Hrn 45 Mis 5 Special Edition Proctor Enterprises A/ba ros OVA Brief Constr Engine & Radio lnstall& Test Flights -2 1dm $1995 Carliss JN4O Jenny Plans- FUN SCALt 100 inches 1804 sq nil lbs B sheets w/isstructions$1995 10807 SE STACY CT PORTLAND OR 97266 PHONE 503 653-2578 PAL & SECAM ORDERS ENTERPRISES 17 MILPERA CRESCENT WANTIRNA VIC 3152 AUSTRALIA 03-80 -3899 VHS-BETA ~ vueu PLANE VIDEO Presents AEROB ATICS AND GROUND SCHOOL 105 minutes AERODYNAMICS AND STALL THEORY -plus HOW TO DO control inputol Proper takeottoLoops rolls SpinsSnap rolls Proper land egoCrosswind techniques $1995 plusS30O5/H ltoreignS600 S/HI -and BUlL DING IT RIGHT THE FIRST TIME 22 hour videotapes Nine constructionRadio lnstallation Fusela9e oonstrectionEngine setup Radio installationPusbrods Fuel systemsCovering film Props spinnersAlignmentBalaocing Shear webbingPLUS MUCH MORE $3495 plus $400 S/H ltoreign-880O S/HI Plane Video PO Box 23128available VISAClive IA 50325/IIS IOWA residents add 4% sales tan M0$wCOd 800383-B25ITOLLFREE OR 515-223-0897 RAFT Excellence Engineering Quality Manufacturing ALL KITS FEATURE Precision Scale Detailed Fiberglass Fuselages Precut Formers Foam Wings Stabs Pre-sheeted Balsa Plus Much More. CUSTOM RETRACTS & POWER PACKAGE AVAILABLE 1/9 Scale F-14 Twin $1200 1/9 Scale F-16C Single $375 1/7 Scale FIA-18 Twin $ 950 1/9 Scale F-16A Single $280 1/12 Scale SR-71 Twin $ 750 1/10 Scale F-4E Single $335 1/8 Scale A-4 Single $215 PRE-BUILT AND PAINTED F-16C F-16A F-4E ALSO AVAILABLE Send $300 Complete Product Information 203 Massachusetts Avenue Lexington MA 02173 USA Tel 617 674-2222 Fax 617 674-2188 Also Available Fiorenze Hobby Center 420 W SR434 Winter springs FL 32708 USA Tel 407 327-6353 Fax 407 327-7148 Prices subject change prior notice shipping handling extra technique involves positioning balsa blank straddled pair wires metal strips desired thickness work surface block sanding until block bottoms out metal stops sketch bottom center shows variation method small wire larger tube being used stops produce strip tapered cross section such trailing edge stock nonskid surface sanding board helpful such operations youll probably also need tape clamp metal stops work surfaceunless have three hands Attempting support flimsy wing tail assembly hand attacking sandpaper block held other hand sure invitation disaster sketch right shows cope situation Slide surface sanded across sanding board see sketch #2 letting fingertips supply both sanding pressure sliding force technique concentrates sanding action small areas directly beneath fingertips also minimizes damaging forces common sanding methods sometimes produce job shown sketch tricky Before attempting practice technique variety flat rugged surfaces following step-by-step description however applies equally easy difficult jobs trailing edge wing section shown being blended match airfoil shape ribs wing section inverted sanding board apply fingertip pressure several places along trailing edge drawdont push panel across abrasive surface Make stroke two move fingertips new position trailing edge After few passes youll able see areas need sanding action should avoided Reposition fingertips accordingly make another pass two across Continued page 196 Bill Ettlngr * S8Soniy Plant Patten0 Set give von eseoned deorgos von went hove selected beet classic designs yon choose $orn pattenno neob pen en important eoclu*ve tees, curtiss HAWK PlC 84Y wingspan ength 2288 eq wing aree Far 13 23 ClO engine annel RIC RCOS14 6 Curtlas FALCON 0-ID/AS 114 wingspan ength 3160 eq wing area Fe 23 o 38 ClO engines annel RIC RCQ5-13 8 One-Third Scale Piper Tn-Pace PA 22 8318onneepen2388sq w gene 2tn3t degnee P048 bRIC eppors 2ba 8 eoeo nogh 8038S$2898 1/3 Scale Piper cb 1-3 ognpanselongsh 28 aecid aeginne 80382$2998 Quarter Scale WW SE-BA ego/S span e 2220 eq wing aeon 78 22 engines $cOs7 8 SPAD CXIII - 781 wing span n 2125 sq wing area 13 31 engines - capable hyer 0 vaptnen imagination $cosa 8 FOKKER DR-i TRIPLANE 72wingepan 1772sqinN wing eea 78 150 engines $cos$ 8 SOPWITH CAMEL Fic K - $4 wing span sq wing orna 11 lbs wlo Rice Ply wend ft balsa vonstnction over 65 eq ft drawinge qcosi 1 8 Fokker D-VII 98 winespen sq iv wi a 85 -25 cid nnainv h ocoss 5 1/4 Scale WACO D 1930aCommerclai tary Export 88wingepan 2048 wing area 76Alength-l2lhsedlqlccl o Engine Oiae 1 223e clak-Y Airfoil Seclen e galsa-Plywood rewovable engine unite Oheob-Mounled Lending Oea $005-Ith $2788 Fiberglass cowiWbeel Pants ft Pairing Availablel Fullsiaa plane 01w lest openvovkpit Wevos avd heautiful hi piano sanriollipcvel wing. Plans show 500 rnilitay end vurnmeviOl versions 113 Scale MONOCOUPE IDA 129 Wingspan 82 Overall Length 2198 eq Wing Area For2llta38ClD Engines RC35-4 111 Effingar Posoding Meerbor AMA NPPS 1411 Pawn PricOs urefn comploto plons sub esnnn51y ft dotuilod pays lisrS PLEASE ADD 839810 shipping iwalline tobel Now ieei plan gets bvvyuo lnfvndublo int ordorli WE TECHNICAL SERVICES RO Box 420144-A Atlanta GA 30342 194 Model Aviation Champion RIC Pilot Bob Fiorenze Yellow Aircrafts F/A-18 F-16C F-4E A-4 FLASH! BOB WINS AMA NATS P18 Is oniy plane win three major events 89 US MASTERS 80 TOP GUN 91 AMA NAT w No 701 Jumpin Geo$725 AC gigh performance Sportster especially designed fun fly events Weighs 3-lb spans 485-in 40-45 power No 702 Heinkel HE 18$200 FF Scale model advanced 1924 German monoplane trainer HiLine Mni-6 geared electric motor powered three 100 mil batteries Weighs 121 grams spans 28-in No 447112A Miss America AC Old-Timer WA Texaco model 009 glow 2-channels$650 No 538Slmitar SlowMotion 15 AC Toilleos tying wing 15 engines spano 60 onex 3-ch AC$350 No 578Schweizer 1-26B AC Goarter-ocale Sailplane spans 125 0 Two plan olleeto$1475 No 581Gee Sea Model Y AC Golden Age Racer opaxo 7215 scole 6t power plan oheens$1175 No 588Mariah AC Slope-Soadog Sailplane opano 4lio ooeo 2 AC channeloS425 No 583TayIorcraft RC Sport Susie ligbtplane boildo standard 2-plocer clipped-wing air show slonter Spoos either 704 58/a 35140 two-otmke 40/48 foor-otinke engine Two plan sheets no docomentation$1000 No 598Coronet 150 AC-Assist Old-Timer enlarged 150% spano 72 uses 40size 4-slroke/30-oize 2-stmke$850 No 603Sparrow Hawk P-30 FF Competition abhor-power plane won t7 Nats Spans 30 in$225 No 619Keith Rider R4 FF Scale Golden Age racer robber powor spans 16 in$300 No 620Gimlet 40 AC Sport/Pattem plane spans Ot 40/50 engine 2 sheets$1100 No 624Keleher Leric AC Qoarter-scale homeboilt spans 00 60/00 4-stroke power 2 plan sheets no doc$1100 No 626Sweepee AC Sport/Pattem canards forward-swept wing spoos 64 uses 40 power 2 plan sheets$1300 No 628Prime Cut AC Sport/Aembatic plane spans 00 uses Quadra 35/40-size power Two plan sheetsS1300 No 630Original Fly Baby AC Old-Timer spans 72 in. ones 19/25 2-cycle 40 4-cycle power 2 plan sheets$1150 No 641LII Ole Reliable AC Old-Timer sport tier spans 50% WA enginesS575 No 644Bellanca columbia AC Schoolyard Scale tar 2 AC channels WA engine Wingspan 46 in$575 No 646winter Itawk FF Robber-power Coupe dHiner competition plane spans 47 in$375 No 65047/88 AC Special AC Aembatic sport plane 40 power spans 61 3 plan sheetsS1075 No 652Der Fledennaus AC Law-wing sport plane 20/25 power spans 55 inS675 No 654Tamacat AC Trainer/spsrtster styled like P14 spans 00 40/61 power Fnor plan sheets$1525 No BBSAetmetar PF AMA Class A/B Gas plane spans 07 uses 325/350cc power$800 No 657Super Squire AC Trainer 35140 2-stroke 53 4-stroke power spans 5614 in$750 No 659Boom Box FF Wakefield Robber compe00on plane spans 54 inS400 No 661Embry-Omatic FF Embryo Endurance robber-pawer plane spans 20 in$200 No 663Pea Patch AC Sportster spans 60 uses 40150 4-stroke power 2 plan sheetsS000 No 684Stuka Stunt CL WA Stunter semiscale spans 37rA inS500 No 665Conacientious Oblactor FF Mulnibill Rubber competition plane spans SOW tatS575 No 668Blita AC Sportater spans 40 in. rises hot 28/32 power 2 plan sheets*1075 No 667AT-fl CL Semiscale pmtle Stunner 35/40 power spans 47 in$575 No 669Roto Raven AC Sailplane unique twist-wing control Spano 76-in Requims elenos mising$650 No 671Casana Cardinal PP Reminder Scale sport tier fsr WA power spans 39W-in$575 No 672Kmckerjac AC opdated nemion pioneer sport plane spans 74-in two plan sheets$1375 No 674Krumpler AC 075-powered Electric semi-scale bi-winger spans 39-inS575 No 675BDP1 FF twin-tailed sport flier Cos 02 Pee Wee engine spans 25-in$225 No 676Hiliner AC twin-electdc high-wing Sport ship designed Hiline Imp-tO motor Has tdcycle gear asd spans 40 55400 No 677Thunderbird CL Stunter 20-35 power Two plan oheets drawn odginal 1962 veco kit Spans 54 in$075 No 678Bean Box PF Want Coast Sostoqion Outdoor design Spans 16/a in$150 No 679Big Dingol Large AC Sporister spano OS Per 120-24 power Two plan sheets$1700 No 680Beiieevs winner Rossias FAI CL Combat ship spans 47 in$475 No 6811969 Bade 904 PF Rubber Scale model spans 16W in$325 No 682B T Vintage Trainer AC Reminder-Scale Sportster 20-size engines Spans 47% two plan sheets$1150 No 683Michaels Mustang CL Sport Scale P-Si WA engines Spans 21 is$325 No 684Staggerwing Beach 3-Chonnel AC Schoolyard-Scale bi-wing Sportoter 049 power Spans 32-in$375 No 685Akro-Bat CL Stunter high-parfonoance 049 engines Spans 32-in$230 No 686Poller AC Pattem-type sport plane 2- 4-cycle power Spans 65-in$725 No 687windsock Non-tying Protle P-St used wiodnane Spsns 30-in$575 No 688Stealth Glider PP robberband-launched foam/balsa Canard Catapot/Steath Glider combe Spans 9W-in$200 No 689Thomas Morse Scout 54C AC A-scale biplane 90 power Spans 63-in 3 plan sheets$1975 No 690P829 Twin Muatang CL Protle Sporlater twin MWS 25 dlesels Spans 48-in 2 plan sheets$1050 No 6911927 HL2 PP Susie model Polish homebait 0-0 woO motor robber C02 Spans 29-in$225 No6923 Mater Scooter AC High Performonce Sailplane Spans 110-in 2 plan sheets$1150 No 693Cardinel Classic CL Sport Stenter 35 power Spans 50-in$575 No 694Airnasater AC Canord Sportster two 40 push-pull engines 00 pusher tractor Spans 66-in 2 plas sheets . $1475 No 695Spirit 06 St Louis CL Scale roplica 1525 power Spano 48-in$575 No 696Pole Cat PP P-30 Class AMA Sanior rocord holder Spans 31-In$225 No 697Tigerkltten B AC lligb-perfnnoaoce Sport Aerobatic design 00/15 Cobalt electric power Spans 54-in plan sheet plus toe-page inetroctloo booldet$1000 No 696Novacione CL One-design multi-enent Sport tler 35 power Spans 42-in$400 No 699 Top Cat 90L-1 PP Rubber PAl Indoor Stick Gliderholder AMA Cat PlO & Stick National Recards Spans 13125-in Two plan skeets$300 No 700 Randys Dime AC economical neroatile Sport Trainer ideal 10 power Weighs 33-os. spans 50-is$575 0 nj 5CsJ 0 V ssc 01 no 5 3 0 O co 01 00~ 0 00 0 0 V3 01 55 0 -0o N 0 5 Jo 01510 -01 0 55 no 00 010* C5 00 v 010 _ O -Io 01 e5as 0 960 C -00 C 01CITY Os LL 0 reTi numbers of plans wish order best handling please include quests payment some other service plans order 447539578581588593598603 619620624626628630641644 646650652654655657659661 663664665666667669671672 0 2674675676677678679680681 -682683684685686687688689 690691692693694695696697 698699700701702 Plan price inCludes first Class postage US delivery Air Mail over 300 miles orders non-US address lease add $250 Air Mail osta e handlin Ian Make check money order le US funds drawn US bank Model Aviation AMA 1810 Samuel Morse Dr Reston \JA 22090 Please allow 3 6 weeks delivery Please print CarefullyEnclosed $ ______________________ NAME ________________________________________________ AMA No _________________ STREET ZIP L2TATE Letters Editor Continued page 6 RC Combat attracts members Editors note letter written Dr Sandy Frank Weatheiford Texas Sandy tells us has received almost 100 letters similar expressing interest RCCA Radio Control Combat Association read interest letter editor Model Aviation am interested becoming member charter otherwise recently assembled Kombat 40 Enya 45 CX tuned pipe flies well now am search others dogfight idea aerial combat made immediate sense saw Airplane Factory ad have no doubt will soon see sanctioned events planes Rules will have formulated course As relative newcomer hobby flying three years input might limited am willing help way can am curious about what kind doctor notice life member AMA assume newcomer hobby information am mechanical engineer Lehigh class 78 running own air conditioning business build special refrigeration machinery computer controlled screw machines 1000 hp service large AC systems repaired main AC Cunard Princess Malta before headed Persian Gulf R&R duty Because background RC flying perfect hobby will striving over years understand detail model flight control engines Please let know progressing RCCA may fit Benjamin Bailey Rumson New Jersey Ed note Dr Sandy Frank psychologist RMcM Sandpaper/Mcllrath Continued page 188 sanding board again inspect work ribs have unwanted flat spots protect strips masking tape before resuming little practice youll soon learn quick accurate damage-free work delicate structures tools techniques certainly arent new Perhaps already use someor allof yourself give try may discover hidden talent old-fashioned paper thinks its tool 196 Model Aviation
Edition: Model Aviation - 1991/11
Page Numbers: 104, 188, 190, 194, 196
FOR SMALL MODELS custom-shaped blocks techniques controlling damage theres lot learn about working sandpaper U Paul Mcllrath IF YOURE horror movie fan know about versatility modem chain saw Sandpaper tool buy sheet has us longer its equally versatile As check how-to folders hardware store shows sandpaper can anything grinding rust off old Volkswagen polishing expensive coffee table What folders don t tell work /32 balsa two-pound-density foam soft materials fragile structures small models require original methods also open up some unique possibilities creative modeler can use sandpaper smoothing exterior model major cutting shaping operations well Sandpaper can replace handymans lathe router sanderand yes chain saw following discussion sandpaper technology keyed accompanying six-part illustration 1 The handheld sanding block familiar both modelers do-it yourselfers handymans practice wrapping sandpaper loosely around block limits its usefulness modeling work Gluing paper neatly block turns scrap sandpaper precision modeling tool Although sandpaper can fastened contact cement other adhesive hand rubbery adhesives suit purpose best can softened heat worn paper can easily peeled off replaced Since loose projecting edges sandpapering tool will inevitably cause gouges delicate model parts always take two precautions making new retreaded block Fasten edges corners sandpaper securely smooth off sharp edges sheet coarse-grade sandpaper 2 A super sanding board valuable addition arsenal abrasives Placed lap workbench provides solid flat nonskid surface support parts being sanded Because its size weight board can remain stationary use both hands draw part complete assembly across its abrasive surface described section 6 3 A family multipurpose tools no less set pattern files grinding burrs allows finish wide variety shapes work tight places Emery boards made flexible cardboard easily trimmed narrower widths desired found drugstores next nail polish notch cutter useful idea dates 1930s Veteran modelers probably already have collection sticks dowels use sandpapering currently have hoard about 50 tools Some used over over few still waiting second use lightweight tools essential delicate work preserve valuable feel part sanding something lost using heavier block 4 A few reminders sandpapering work Clean sandpaper often abrasive surface quickiy becomes clogged sawdust greatly reducing its Continued page 188 SANDPAPER SCIENCE FOR SMALL MODELS 1PLAIN VANILLA HAND-2 SUPER SANDING BOARD LAP & BENCH HELD SANDING BLOCKMODEL HEAVY PLYNOOD OR SfOTh FLAT & HARD --HETALSLAB NO LOOSE OR SHARP APPROXEDGES DIFFERENT GRADE__________ 2 x 4 x 314..PAPER ON EACH SIDE PEELABLE GLUE PREFERRED M0E SHEET HARDNOODOF PAPER ON EACH SIDE BLOCKUSE AS BACKUP BOARD Too 3OTHER MULTIPURPOSE BLOCKS -4 HINTS FLEXIBLEASSORTED STICKS OOWELSCLEAN PAPER OFTEN BOARD- 4CANSGUARD AGAINST OVEREMERYBOTTLES TUBES ANDREPLACE NORN PAPER /SANDING /EDGEtIGHT NORK /SAVE SPECIAL BLOCKS NOTCH CUTTER / 5 SPECIALLY SHAPED BLOCKS FOR WHEELS PANTS COWLINGS ETC -ii RADIUSED BLOCKSEVEN SPECIAL BLOCKS REDUCE FLAT IfILIKE THESE ---- SPOTS- USE--& Y 2- OVERSIZE yfr7yA- IUSkiL2iJ~1 ~ EXACT BLOCK ZZ7~7 LATHE-L IKECAN OFTEN BE USED CONTOUR ISDUALITY CAN0 4 ON OTHER OBS NOT CRITICALBE PRODUCEDJK DONT THROW THEM AWAY 6 DAMAGE CONTROL SYSTEMS //PRESSURE CC4TPLED MATERIAL EmVED FASTEST \7j---~WHERE PRESSURE 5 HIGHES / _________________PRESSNOT HERE CONTROLLED WITH STOPS APE ONTROLLED3111 104 Model Aviation FEATHER CUT creates new standard ease accuracy cutting white blue foam wing cores ds off Precise single wire tracking concert micro-adjustable balance weights guided exclusive three-point tracking system guarantees ripple-free surfaces No trailing edge burn-out common two wire systems Couple FEATHER CUT Tekoas THERMAL GENERATOR fool proof temperature control youll Pro st time out Cuts straight taper wings fins stabilizers matically ts tape edge workbench dining table stores its own heavy duty mailing tube lete kit anodized plated components no hardware store trips ructions include cutting first wing making templates utter supplied adapts 50 Power supply required Guaranteed out perform rest Simply best TEKOA THE CENTER OF DESIGN 3219 CANYON LAKE flDIUE HOLLYWOOD DUflhIEJEAV 12Ae FEATHER CUT $13950 S&H THERMAL GENERATOR Power Supply $9450 S&H Museum its last owner John McCullough Sandpaper/Mcllrath Continued page 104 effectiveness toothbrush bristles chopped off about /16 works well can also try duct tape Press layer tape over abrasive surface rub forcefully strip off Cleaning can give new life paper thought over hill Though regular cleaning can stretch life sanding tool eventually abrasive will dull use Interrupting job retread block can nuisance work will go faster result will neater Jobs involve rounding smoothing benefit edge lighting Turn off nice uniform fluorescent lighting E work front single lamp unshaded bulb Hold part being sanded light strikes its surface very flat angle High low spots will strongly accented maldng precision work much easier Foam plastic sandpaper work well together Uniform textured foam beaded kind makes beautiful cowlings pants headrests etc Its also strong enough used sanding blocks Try 5 Custom sanding blocks can produce parts look made lathe router block specially shaped match desired contour finished part Shape balsa foam blank using whatever cutting sanding tools have hand finish final form custom block spinner cowling right sketch being finished special blocks ELECTRIC R MOUNTS Machined Bar Stock Incredibly Strong lncredibly Light Weight Acts Heat Sink Due tb Form Fitting Design $795 Available 3 Lengths 2/ 1i 11/6 ____________ Fits ALL Motors Metric Bolts & American Bolts Direct Order Furnished Fit Front Tapped Holes Add $100 S&H 6-32 & Blind Nuts Mounting Firewall Hal Payne EnterprisesiATPANES 1928 Gladwick Street Compton CA 90220 custom tool can produce beautifully precise parts sometimes approach isnt possibleand fact usually isnt necessary example both blocks being used round wheel blank left sketch must incorporate some clearance prevent binding blank means radius tool must somewhat larger finished part making exact fit neither practical nor necessary same blocks might useful wheels several different sizes might also used preliminary shaping blanks cowling spinner course can same tool used several different parts several different tools can used succession make single part Another way enhancing versatility blocks hold angle part being shaped sketches show block blank parallel alignment like bricks wall thats sake simplification Holding tool oblique work changes shape contacting abrasive surface producing same effect would block different contour 6 Damage control systems avoid sandpapering areas dont want sand cowling sketch left has covered A2 sheet shape Continued page 190 Hobby Horn hobby specialties MIUWAY MODEL CO Old Timer Kits R/C AND FF Hobby Horn discount prices MMC FULL KITS listed Full Kits include Cut parts plan strip sheet wood wire window material Kits marked have wire landing gear pre-bent 1936 Flying Quaker 84$6799 1938 Powerhouse 50*$3596 1937 Long Cabin 78$4952 1939 1 Sponster 503596 1940 Buzzard Bombshell 50 span kit*3596 1937 Quaker Flash 674784 1937 Air Chief 613776 1940 New Ruler 74. 1939 Thermic 100 Glider 1 0O S p Old Timer Sailplane--modifications shown RIC $8623 P & W MODEL SERVICE Old Timer kits FE RIO following discount p rice full kits full kits clude Cut parts plan stick sheet wood wire windshield material 1935 Miss America 84 $7556 1936 Buccaneer 84 $6296 1937 Dallaire 108 $7992 1936 Clipper Mk 72 $5596 1938 Kioud King 63 $4448 1938 Powerhouse 84 $5624 1938 Record Breaker 96 $7304 1938 Trenton Terror 72 $4280 1939 Korda Wake 44 $2012 1939 Mercury 72 $6128 1939 Zipper 54 $5624 1940 Ranger 46 $3355 1940 Saillane 78 $8900 1940 So Long 50 $3188 1941 Brigidier 56 $4279 1941 Super Quaker 78 $7640 1941 Playboy Jr 54 $3272 1941 Playboy Sr 78 $5372 1941 Brooklyn Oodaer 58 -54448 82 Pace 1991 CATALOGUE Upto dd 250$2pp/lstClassorfreewhen Sadto $2000 adc ested 1st order $300$2001 $450 add$375 $4501 b H0 $7000 add $425 Overrn $7000 add $500 15173 MOnAN STIA] Califadd 600%tax Send BOX 2212 MO VISAIMC # & Exp orWESTMINSTERCA 92684 Check lallow up 30 893-83llPhone days clearance 895-6629 FA checkslHours Mon-Fri 9AM 5PM 188 Model Aviation / /-.--.-- p Custom Balsa Die_Cutting Balsa Sheets745/16 X 14880104 1/8x 12X24613 753/8 x 1-/25194105 3/16x 12x24363 36 4838 1/8x 1/4131876 1/2 x 279 105106 1/4x 12x24420 1 1/16 x 228 4039 1/8 x 3/81419ti"768107 3/32x12x481004 21/16 x 33244401/8 x 1/217241081/8x 12x481149 31/16 x 45371413/16 x 3/1613 lsaBlocks1093/16X 12X48726 43/32x23550423/16x3/817216121101/4x12x48838 53/32x33953433/16x 1/22231 e77 1 x262112 1108 63/32 x 46792441/4 x 1/41827 71/8 x 23854451/4 x 3/8193078 2 x 274130 110C 81/8 x ~691/4 DUCK WOODS7 2x390149Spruce Sticks 1/8x41041/4x3/41/8x 1/8 1723 103/16 x 24462481/4 x 14360 Custom Cut Balsa 113/16 x 35879495/16 x 5/162432 Quality Prices81B1121/8 x 1/4 2128 123/16 x 491 121 50 3/8 x 3/827 42 AAA Quality Ecuadorian Balsa 81C113 1/8 x 3/82333 114 3/16 x 3/162939 131/4 x 25172513/8 x 1/23153 Sanded Close TolerancesBalsa Planks361151/4 x 1/43652 141/4 x 37093523/8 x 3/44863 1285 N Union Street821 x21571161/4 x 3/84158 151/4 x 4110134533/8 x 16573 Stockton CA 95205831 x32191171/4 x 1/24766 165/16x26082541/2x1/241 ss841x42931181/4x16789 175/16 x 382110551/2 x 3/453711 -209-464-0180852x22311195/16 x 5/164362 185/16x 4139185561/2x 16487862x33351205/16x 1/24875 193/8x26895575/8x5/85472 C L872x44751215/16x3/46789 203/8 x 390128583/3 x 3/47598883x35151223/8x3/85264 213/8 x 4165230593/4 x 184111 ace Lite Ply893 x 47151233/8 x 1/26381 221/2 x 283116601 x 1104139 Low Cost Door Skin8981241/2 x 1/26992 231/2 x 3 109 155 608for8ulkheads&FuselageSides89C1251/2 - 3/477101 241/2x 4230 268 60C118x6x48125 3-Ply Light1258 2481/8 x 12 x 48225 24CBalsa Tapered90 1/8x6x24115 125C 911/8x 12x24173Bass Sticks Aileron StockBus Hours 800-500 PST M-F921/8 x 24 x 243453648 Balsa Sticks 3648We accept VISA MasterCard931/8 x 6 x 481731263/16 x 3/162837 3648611/4 x 14363 Personal Checks & COD941/8x 12x483451273/16 x 1/42430 261/16x 1/160611611/4 x 1- 5070Shipping Handling $500951/4 x 6 x 242011283/16 x 3/83138 271/16 x 1/80914621/4 x 1-/a5782 COD add $450961/4x 12x242591293/16 x 1/23746 281/16 x 3/161016631/4 x 26390 imum Order $2500971/4 x 6x 482591303/16 x 3/44860 291/16x 1/41018645/16x 15984 litornia Residents98x 12 x 485181311/4 x 1/43442 301/16 x 3/811 20 65 5/16 x 26794add 6h/ Sales Tax988132 1/4 x 3/839 49 311/16x 1/214 24 66 3/8x 1/s659298C133 1/4x3/46480 134 3/8x3/84860 323/32x3/320711673/8x274105 lsa Ply Birch1353/8x1/25670 333/32 x 1/80914683/8 x 284122 TrailingEdge 99 3/32x6x 122531363/8 x 3/47290 343/32x1/41318691/2x1/x8011536481001/8x6x123111371/2x1/27290 353/32x3/81419701/2X290125711/8x 1/218311013/16x6x122191381/2x3/496120 36 3/32 x 1/2 17 24 708723/16 x 3/429501021/4x6x 12 242 1388 37 1/8x 1/8 09 13 70C731/4 x 136611033/32x 12x24 503 138C Contact Us Kitting Needs nose block must blended damaging thin sheeting An easy solution protect endangered area strip masking tape Larger areas can protected piece two stiff paper taped place structure soft flimsy might damaged pulling off tape try presticking tape dusty workbench woolly sweater weaken stickum little some jobs its best apply tape section sandpaper block rather model masked-off portion block can slide over vulnerable area model abrading Another way prevent oversanding use some type stop guide shown top center sketch Tapering trailing edge Hand-Launched Glider wing thinbut not-too-thin edge difficult job stop can make precise goofproof Position wing blaak trailing edge set back short distance edge workbench backup board As long sandpaper block overhangs edge board theres no way can take unwanted bite out trailing edge Adjust setback distance produce desired trailing edge thickness Indoor fliers use stops sand strip accurate predetermined thickness Continued page 194 190 Model Aviation 89 90 Scalemusters Chumps lrvisg TX hidhey ml Scalemasters an Diego Aerospace Mus2 lirn $1995 #8 90 NW Intl Sculemusters Furrugut Purk-Athul IC Champlin Fighter Museum w/Les Pructor W Seaplane Chumps Sants Musics Mus Flying 2 Hrs $1995 81 90 Tsp Gun Innitutionul Mess AZ W Model tops2 Hrn$1995 #6 89 Scalemusters Chumps St Louis uke Hunuso Schneider Cup Races2 Hrs$1995 #5 89 US Nutlo Scale & Seaplunes W Seuplune ChampsPlanesatFumetastMusEAAMus OohkaohVisit w/Rulph Beck Chicago Ms Sd & Ind 2 Hrs 995 84-99 Top Gus Champs Corul Sprisgo Ft tor Aihutros OVA Preview uLls Seuplune Site NW ntl Scalemasters tor N-il Test Flight Martiss R3C Curtiss Racer2 Hrs$1995 #3- 87 Las Vegas Scalemastero Chumps Procter Jenny Test Flight calemasters Chumps Ft Knox Museum Sig Mtg Museum d Engines tor N-28 Conot & Test Flight Seaplanes 4 Hrs 2995 #2 -88 Sculemasters Chumps Ft Knox Munesm Sig Mfg Tour USAF Museum Tour World Engines Prector N 28TestFlight B8NWSeupluseChumpsProctorN-lBConst Byron Hanger Tour2 Hrs$1995 #1 87 [us Vegas Scalemasters Chumps tor Jenny Prototype-Tour Proctor Enterprises ProctorJenoyTest Flights 82 NW Seuplane Champs Hrn 45 Mis 5 Special Edition Proctor Enterprises A/ba ros OVA Brief Constr Engine & Radio lnstall& Test Flights -2 1dm $1995 Carliss JN4O Jenny Plans- FUN SCALt 100 inches 1804 sq nil lbs B sheets w/isstructions$1995 10807 SE STACY CT PORTLAND OR 97266 PHONE 503 653-2578 PAL & SECAM ORDERS ENTERPRISES 17 MILPERA CRESCENT WANTIRNA VIC 3152 AUSTRALIA 03-80 -3899 VHS-BETA ~ vueu PLANE VIDEO Presents AEROB ATICS AND GROUND SCHOOL 105 minutes AERODYNAMICS AND STALL THEORY -plus HOW TO DO control inputol Proper takeottoLoops rolls SpinsSnap rolls Proper land egoCrosswind techniques $1995 plusS30O5/H ltoreignS600 S/HI -and BUlL DING IT RIGHT THE FIRST TIME 22 hour videotapes Nine constructionRadio lnstallation Fusela9e oonstrectionEngine setup Radio installationPusbrods Fuel systemsCovering film Props spinnersAlignmentBalaocing Shear webbingPLUS MUCH MORE $3495 plus $400 S/H ltoreign-880O S/HI Plane Video PO Box 23128available VISAClive IA 50325/IIS IOWA residents add 4% sales tan M0$wCOd 800383-B25ITOLLFREE OR 515-223-0897 RAFT Excellence Engineering Quality Manufacturing ALL KITS FEATURE Precision Scale Detailed Fiberglass Fuselages Precut Formers Foam Wings Stabs Pre-sheeted Balsa Plus Much More. CUSTOM RETRACTS & POWER PACKAGE AVAILABLE 1/9 Scale F-14 Twin $1200 1/9 Scale F-16C Single $375 1/7 Scale FIA-18 Twin $ 950 1/9 Scale F-16A Single $280 1/12 Scale SR-71 Twin $ 750 1/10 Scale F-4E Single $335 1/8 Scale A-4 Single $215 PRE-BUILT AND PAINTED F-16C F-16A F-4E ALSO AVAILABLE Send $300 Complete Product Information 203 Massachusetts Avenue Lexington MA 02173 USA Tel 617 674-2222 Fax 617 674-2188 Also Available Fiorenze Hobby Center 420 W SR434 Winter springs FL 32708 USA Tel 407 327-6353 Fax 407 327-7148 Prices subject change prior notice shipping handling extra technique involves positioning balsa blank straddled pair wires metal strips desired thickness work surface block sanding until block bottoms out metal stops sketch bottom center shows variation method small wire larger tube being used stops produce strip tapered cross section such trailing edge stock nonskid surface sanding board helpful such operations youll probably also need tape clamp metal stops work surfaceunless have three hands Attempting support flimsy wing tail assembly hand attacking sandpaper block held other hand sure invitation disaster sketch right shows cope situation Slide surface sanded across sanding board see sketch #2 letting fingertips supply both sanding pressure sliding force technique concentrates sanding action small areas directly beneath fingertips also minimizes damaging forces common sanding methods sometimes produce job shown sketch tricky Before attempting practice technique variety flat rugged surfaces following step-by-step description however applies equally easy difficult jobs trailing edge wing section shown being blended match airfoil shape ribs wing section inverted sanding board apply fingertip pressure several places along trailing edge drawdont push panel across abrasive surface Make stroke two move fingertips new position trailing edge After few passes youll able see areas need sanding action should avoided Reposition fingertips accordingly make another pass two across Continued page 196 Bill Ettlngr * S8Soniy Plant Patten0 Set give von eseoned deorgos von went hove selected beet classic designs yon choose $orn pattenno neob pen en important eoclu*ve tees, curtiss HAWK PlC 84Y wingspan ength 2288 eq wing aree Far 13 23 ClO engine annel RIC RCOS14 6 Curtlas FALCON 0-ID/AS 114 wingspan ength 3160 eq wing area Fe 23 o 38 ClO engines annel RIC RCQ5-13 8 One-Third Scale Piper Tn-Pace PA 22 8318onneepen2388sq w gene 2tn3t degnee P048 bRIC eppors 2ba 8 eoeo nogh 8038S$2898 1/3 Scale Piper cb 1-3 ognpanselongsh 28 aecid aeginne 80382$2998 Quarter Scale WW SE-BA ego/S span e 2220 eq wing aeon 78 22 engines $cOs7 8 SPAD CXIII - 781 wing span n 2125 sq wing area 13 31 engines - capable hyer 0 vaptnen imagination $cosa 8 FOKKER DR-i TRIPLANE 72wingepan 1772sqinN wing eea 78 150 engines $cos$ 8 SOPWITH CAMEL Fic K - $4 wing span sq wing orna 11 lbs wlo Rice Ply wend ft balsa vonstnction over 65 eq ft drawinge qcosi 1 8 Fokker D-VII 98 winespen sq iv wi a 85 -25 cid nnainv h ocoss 5 1/4 Scale WACO D 1930aCommerclai tary Export 88wingepan 2048 wing area 76Alength-l2lhsedlqlccl o Engine Oiae 1 223e clak-Y Airfoil Seclen e galsa-Plywood rewovable engine unite Oheob-Mounled Lending Oea $005-Ith $2788 Fiberglass cowiWbeel Pants ft Pairing Availablel Fullsiaa plane 01w lest openvovkpit Wevos avd heautiful hi piano sanriollipcvel wing. Plans show 500 rnilitay end vurnmeviOl versions 113 Scale MONOCOUPE IDA 129 Wingspan 82 Overall Length 2198 eq Wing Area For2llta38ClD Engines RC35-4 111 Effingar Posoding Meerbor AMA NPPS 1411 Pawn PricOs urefn comploto plons sub esnnn51y ft dotuilod pays lisrS PLEASE ADD 839810 shipping iwalline tobel Now ieei plan gets bvvyuo lnfvndublo int ordorli WE TECHNICAL SERVICES RO Box 420144-A Atlanta GA 30342 194 Model Aviation Champion RIC Pilot Bob Fiorenze Yellow Aircrafts F/A-18 F-16C F-4E A-4 FLASH! BOB WINS AMA NATS P18 Is oniy plane win three major events 89 US MASTERS 80 TOP GUN 91 AMA NAT w No 701 Jumpin Geo$725 AC gigh performance Sportster especially designed fun fly events Weighs 3-lb spans 485-in 40-45 power No 702 Heinkel HE 18$200 FF Scale model advanced 1924 German monoplane trainer HiLine Mni-6 geared electric motor powered three 100 mil batteries Weighs 121 grams spans 28-in No 447112A Miss America AC Old-Timer WA Texaco model 009 glow 2-channels$650 No 538Slmitar SlowMotion 15 AC Toilleos tying wing 15 engines spano 60 onex 3-ch AC$350 No 578Schweizer 1-26B AC Goarter-ocale Sailplane spans 125 0 Two plan olleeto$1475 No 581Gee Sea Model Y AC Golden Age Racer opaxo 7215 scole 6t power plan oheens$1175 No 588Mariah AC Slope-Soadog Sailplane opano 4lio ooeo 2 AC channeloS425 No 583TayIorcraft RC Sport Susie ligbtplane boildo standard 2-plocer clipped-wing air show slonter Spoos either 704 58/a 35140 two-otmke 40/48 foor-otinke engine Two plan sheets no docomentation$1000 No 598Coronet 150 AC-Assist Old-Timer enlarged 150% spano 72 uses 40size 4-slroke/30-oize 2-stmke$850 No 603Sparrow Hawk P-30 FF Competition abhor-power plane won t7 Nats Spans 30 in$225 No 619Keith Rider R4 FF Scale Golden Age racer robber powor spans 16 in$300 No 620Gimlet 40 AC Sport/Pattem plane spans Ot 40/50 engine 2 sheets$1100 No 624Keleher Leric AC Qoarter-scale homeboilt spans 00 60/00 4-stroke power 2 plan sheets no doc$1100 No 626Sweepee AC Sport/Pattem canards forward-swept wing spoos 64 uses 40 power 2 plan sheets$1300 No 628Prime Cut AC Sport/Aembatic plane spans 00 uses Quadra 35/40-size power Two plan sheetsS1300 No 630Original Fly Baby AC Old-Timer spans 72 in. ones 19/25 2-cycle 40 4-cycle power 2 plan sheets$1150 No 641LII Ole Reliable AC Old-Timer sport tier spans 50% WA enginesS575 No 644Bellanca columbia AC Schoolyard Scale tar 2 AC channels WA engine Wingspan 46 in$575 No 646winter Itawk FF Robber-power Coupe dHiner competition plane spans 47 in$375 No 65047/88 AC Special AC Aembatic sport plane 40 power spans 61 3 plan sheetsS1075 No 652Der Fledennaus AC Law-wing sport plane 20/25 power spans 55 inS675 No 654Tamacat AC Trainer/spsrtster styled like P14 spans 00 40/61 power Fnor plan sheets$1525 No BBSAetmetar PF AMA Class A/B Gas plane spans 07 uses 325/350cc power$800 No 657Super Squire AC Trainer 35140 2-stroke 53 4-stroke power spans 5614 in$750 No 659Boom Box FF Wakefield Robber compe00on plane spans 54 inS400 No 661Embry-Omatic FF Embryo Endurance robber-pawer plane spans 20 in$200 No 663Pea Patch AC Sportster spans 60 uses 40150 4-stroke power 2 plan sheetsS000 No 684Stuka Stunt CL WA Stunter semiscale spans 37rA inS500 No 665Conacientious Oblactor FF Mulnibill Rubber competition plane spans SOW tatS575 No 668Blita AC Sportater spans 40 in. rises hot 28/32 power 2 plan sheets*1075 No 667AT-fl CL Semiscale pmtle Stunner 35/40 power spans 47 in$575 No 669Roto Raven AC Sailplane unique twist-wing control Spano 76-in Requims elenos mising$650 No 671Casana Cardinal PP Reminder Scale sport tier fsr WA power spans 39W-in$575 No 672Kmckerjac AC opdated nemion pioneer sport plane spans 74-in two plan sheets$1375 No 674Krumpler AC 075-powered Electric semi-scale bi-winger spans 39-inS575 No 675BDP1 FF twin-tailed sport flier Cos 02 Pee Wee engine spans 25-in$225 No 676Hiliner AC twin-electdc high-wing Sport ship designed Hiline Imp-tO motor Has tdcycle gear asd spans 40 55400 No 677Thunderbird CL Stunter 20-35 power Two plan oheets drawn odginal 1962 veco kit Spans 54 in$075 No 678Bean Box PF Want Coast Sostoqion Outdoor design Spans 16/a in$150 No 679Big Dingol Large AC Sporister spano OS Per 120-24 power Two plan sheets$1700 No 680Beiieevs winner Rossias FAI CL Combat ship spans 47 in$475 No 6811969 Bade 904 PF Rubber Scale model spans 16W in$325 No 682B T Vintage Trainer AC Reminder-Scale Sportster 20-size engines Spans 47% two plan sheets$1150 No 683Michaels Mustang CL Sport Scale P-Si WA engines Spans 21 is$325 No 684Staggerwing Beach 3-Chonnel AC Schoolyard-Scale bi-wing Sportoter 049 power Spans 32-in$375 No 685Akro-Bat CL Stunter high-parfonoance 049 engines Spans 32-in$230 No 686Poller AC Pattem-type sport plane 2- 4-cycle power Spans 65-in$725 No 687windsock Non-tying Protle P-St used wiodnane Spsns 30-in$575 No 688Stealth Glider PP robberband-launched foam/balsa Canard Catapot/Steath Glider combe Spans 9W-in$200 No 689Thomas Morse Scout 54C AC A-scale biplane 90 power Spans 63-in 3 plan sheets$1975 No 690P829 Twin Muatang CL Protle Sporlater twin MWS 25 dlesels Spans 48-in 2 plan sheets$1050 No 6911927 HL2 PP Susie model Polish homebait 0-0 woO motor robber C02 Spans 29-in$225 No6923 Mater Scooter AC High Performonce Sailplane Spans 110-in 2 plan sheets$1150 No 693Cardinel Classic CL Sport Stenter 35 power Spans 50-in$575 No 694Airnasater AC Canord Sportster two 40 push-pull engines 00 pusher tractor Spans 66-in 2 plas sheets . $1475 No 695Spirit 06 St Louis CL Scale roplica 1525 power Spano 48-in$575 No 696Pole Cat PP P-30 Class AMA Sanior rocord holder Spans 31-In$225 No 697Tigerkltten B AC lligb-perfnnoaoce Sport Aerobatic design 00/15 Cobalt electric power Spans 54-in plan sheet plus toe-page inetroctloo booldet$1000 No 696Novacione CL One-design multi-enent Sport tler 35 power Spans 42-in$400 No 699 Top Cat 90L-1 PP Rubber PAl Indoor Stick Gliderholder AMA Cat PlO & Stick National Recards Spans 13125-in Two plan skeets$300 No 700 Randys Dime AC economical neroatile Sport Trainer ideal 10 power Weighs 33-os. spans 50-is$575 0 nj 5CsJ 0 V ssc 01 no 5 3 0 O co 01 00~ 0 00 0 0 V3 01 55 0 -0o N 0 5 Jo 01510 -01 0 55 no 00 010* C5 00 v 010 _ O -Io 01 e5as 0 960 C -00 C 01CITY Os LL 0 reTi numbers of plans wish order best handling please include quests payment some other service plans order 447539578581588593598603 619620624626628630641644 646650652654655657659661 663664665666667669671672 0 2674675676677678679680681 -682683684685686687688689 690691692693694695696697 698699700701702 Plan price inCludes first Class postage US delivery Air Mail over 300 miles orders non-US address lease add $250 Air Mail osta e handlin Ian Make check money order le US funds drawn US bank Model Aviation AMA 1810 Samuel Morse Dr Reston \JA 22090 Please allow 3 6 weeks delivery Please print CarefullyEnclosed $ ______________________ NAME ________________________________________________ AMA No _________________ STREET ZIP L2TATE Letters Editor Continued page 6 RC Combat attracts members Editors note letter written Dr Sandy Frank Weatheiford Texas Sandy tells us has received almost 100 letters similar expressing interest RCCA Radio Control Combat Association read interest letter editor Model Aviation am interested becoming member charter otherwise recently assembled Kombat 40 Enya 45 CX tuned pipe flies well now am search others dogfight idea aerial combat made immediate sense saw Airplane Factory ad have no doubt will soon see sanctioned events planes Rules will have formulated course As relative newcomer hobby flying three years input might limited am willing help way can am curious about what kind doctor notice life member AMA assume newcomer hobby information am mechanical engineer Lehigh class 78 running own air conditioning business build special refrigeration machinery computer controlled screw machines 1000 hp service large AC systems repaired main AC Cunard Princess Malta before headed Persian Gulf R&R duty Because background RC flying perfect hobby will striving over years understand detail model flight control engines Please let know progressing RCCA may fit Benjamin Bailey Rumson New Jersey Ed note Dr Sandy Frank psychologist RMcM Sandpaper/Mcllrath Continued page 188 sanding board again inspect work ribs have unwanted flat spots protect strips masking tape before resuming little practice youll soon learn quick accurate damage-free work delicate structures tools techniques certainly arent new Perhaps already use someor allof yourself give try may discover hidden talent old-fashioned paper thinks its tool 196 Model Aviation
Edition: Model Aviation - 1991/11
Page Numbers: 104, 188, 190, 194, 196
FOR SMALL MODELS custom-shaped blocks techniques controlling damage theres lot learn about working sandpaper U Paul Mcllrath IF YOURE horror movie fan know about versatility modem chain saw Sandpaper tool buy sheet has us longer its equally versatile As check how-to folders hardware store shows sandpaper can anything grinding rust off old Volkswagen polishing expensive coffee table What folders don t tell work /32 balsa two-pound-density foam soft materials fragile structures small models require original methods also open up some unique possibilities creative modeler can use sandpaper smoothing exterior model major cutting shaping operations well Sandpaper can replace handymans lathe router sanderand yes chain saw following discussion sandpaper technology keyed accompanying six-part illustration 1 The handheld sanding block familiar both modelers do-it yourselfers handymans practice wrapping sandpaper loosely around block limits its usefulness modeling work Gluing paper neatly block turns scrap sandpaper precision modeling tool Although sandpaper can fastened contact cement other adhesive hand rubbery adhesives suit purpose best can softened heat worn paper can easily peeled off replaced Since loose projecting edges sandpapering tool will inevitably cause gouges delicate model parts always take two precautions making new retreaded block Fasten edges corners sandpaper securely smooth off sharp edges sheet coarse-grade sandpaper 2 A super sanding board valuable addition arsenal abrasives Placed lap workbench provides solid flat nonskid surface support parts being sanded Because its size weight board can remain stationary use both hands draw part complete assembly across its abrasive surface described section 6 3 A family multipurpose tools no less set pattern files grinding burrs allows finish wide variety shapes work tight places Emery boards made flexible cardboard easily trimmed narrower widths desired found drugstores next nail polish notch cutter useful idea dates 1930s Veteran modelers probably already have collection sticks dowels use sandpapering currently have hoard about 50 tools Some used over over few still waiting second use lightweight tools essential delicate work preserve valuable feel part sanding something lost using heavier block 4 A few reminders sandpapering work Clean sandpaper often abrasive surface quickiy becomes clogged sawdust greatly reducing its Continued page 188 SANDPAPER SCIENCE FOR SMALL MODELS 1PLAIN VANILLA HAND-2 SUPER SANDING BOARD LAP & BENCH HELD SANDING BLOCKMODEL HEAVY PLYNOOD OR SfOTh FLAT & HARD --HETALSLAB NO LOOSE OR SHARP APPROXEDGES DIFFERENT GRADE__________ 2 x 4 x 314..PAPER ON EACH SIDE PEELABLE GLUE PREFERRED M0E SHEET HARDNOODOF PAPER ON EACH SIDE BLOCKUSE AS BACKUP BOARD Too 3OTHER MULTIPURPOSE BLOCKS -4 HINTS FLEXIBLEASSORTED STICKS OOWELSCLEAN PAPER OFTEN BOARD- 4CANSGUARD AGAINST OVEREMERYBOTTLES TUBES ANDREPLACE NORN PAPER /SANDING /EDGEtIGHT NORK /SAVE SPECIAL BLOCKS NOTCH CUTTER / 5 SPECIALLY SHAPED BLOCKS FOR WHEELS PANTS COWLINGS ETC -ii RADIUSED BLOCKSEVEN SPECIAL BLOCKS REDUCE FLAT IfILIKE THESE ---- SPOTS- USE--& Y 2- OVERSIZE yfr7yA- IUSkiL2iJ~1 ~ EXACT BLOCK ZZ7~7 LATHE-L IKECAN OFTEN BE USED CONTOUR ISDUALITY CAN0 4 ON OTHER OBS NOT CRITICALBE PRODUCEDJK DONT THROW THEM AWAY 6 DAMAGE CONTROL SYSTEMS //PRESSURE CC4TPLED MATERIAL EmVED FASTEST \7j---~WHERE PRESSURE 5 HIGHES / _________________PRESSNOT HERE CONTROLLED WITH STOPS APE ONTROLLED3111 104 Model Aviation FEATHER CUT creates new standard ease accuracy cutting white blue foam wing cores ds off Precise single wire tracking concert micro-adjustable balance weights guided exclusive three-point tracking system guarantees ripple-free surfaces No trailing edge burn-out common two wire systems Couple FEATHER CUT Tekoas THERMAL GENERATOR fool proof temperature control youll Pro st time out Cuts straight taper wings fins stabilizers matically ts tape edge workbench dining table stores its own heavy duty mailing tube lete kit anodized plated components no hardware store trips ructions include cutting first wing making templates utter supplied adapts 50 Power supply required Guaranteed out perform rest Simply best TEKOA THE CENTER OF DESIGN 3219 CANYON LAKE flDIUE HOLLYWOOD DUflhIEJEAV 12Ae FEATHER CUT $13950 S&H THERMAL GENERATOR Power Supply $9450 S&H Museum its last owner John McCullough Sandpaper/Mcllrath Continued page 104 effectiveness toothbrush bristles chopped off about /16 works well can also try duct tape Press layer tape over abrasive surface rub forcefully strip off Cleaning can give new life paper thought over hill Though regular cleaning can stretch life sanding tool eventually abrasive will dull use Interrupting job retread block can nuisance work will go faster result will neater Jobs involve rounding smoothing benefit edge lighting Turn off nice uniform fluorescent lighting E work front single lamp unshaded bulb Hold part being sanded light strikes its surface very flat angle High low spots will strongly accented maldng precision work much easier Foam plastic sandpaper work well together Uniform textured foam beaded kind makes beautiful cowlings pants headrests etc Its also strong enough used sanding blocks Try 5 Custom sanding blocks can produce parts look made lathe router block specially shaped match desired contour finished part Shape balsa foam blank using whatever cutting sanding tools have hand finish final form custom block spinner cowling right sketch being finished special blocks ELECTRIC R MOUNTS Machined Bar Stock Incredibly Strong lncredibly Light Weight Acts Heat Sink Due tb Form Fitting Design $795 Available 3 Lengths 2/ 1i 11/6 ____________ Fits ALL Motors Metric Bolts & American Bolts Direct Order Furnished Fit Front Tapped Holes Add $100 S&H 6-32 & Blind Nuts Mounting Firewall Hal Payne EnterprisesiATPANES 1928 Gladwick Street Compton CA 90220 custom tool can produce beautifully precise parts sometimes approach isnt possibleand fact usually isnt necessary example both blocks being used round wheel blank left sketch must incorporate some clearance prevent binding blank means radius tool must somewhat larger finished part making exact fit neither practical nor necessary same blocks might useful wheels several different sizes might also used preliminary shaping blanks cowling spinner course can same tool used several different parts several different tools can used succession make single part Another way enhancing versatility blocks hold angle part being shaped sketches show block blank parallel alignment like bricks wall thats sake simplification Holding tool oblique work changes shape contacting abrasive surface producing same effect would block different contour 6 Damage control systems avoid sandpapering areas dont want sand cowling sketch left has covered A2 sheet shape Continued page 190 Hobby Horn hobby specialties MIUWAY MODEL CO Old Timer Kits R/C AND FF Hobby Horn discount prices MMC FULL KITS listed Full Kits include Cut parts plan strip sheet wood wire window material Kits marked have wire landing gear pre-bent 1936 Flying Quaker 84$6799 1938 Powerhouse 50*$3596 1937 Long Cabin 78$4952 1939 1 Sponster 503596 1940 Buzzard Bombshell 50 span kit*3596 1937 Quaker Flash 674784 1937 Air Chief 613776 1940 New Ruler 74. 1939 Thermic 100 Glider 1 0O S p Old Timer Sailplane--modifications shown RIC $8623 P & W MODEL SERVICE Old Timer kits FE RIO following discount p rice full kits full kits clude Cut parts plan stick sheet wood wire windshield material 1935 Miss America 84 $7556 1936 Buccaneer 84 $6296 1937 Dallaire 108 $7992 1936 Clipper Mk 72 $5596 1938 Kioud King 63 $4448 1938 Powerhouse 84 $5624 1938 Record Breaker 96 $7304 1938 Trenton Terror 72 $4280 1939 Korda Wake 44 $2012 1939 Mercury 72 $6128 1939 Zipper 54 $5624 1940 Ranger 46 $3355 1940 Saillane 78 $8900 1940 So Long 50 $3188 1941 Brigidier 56 $4279 1941 Super Quaker 78 $7640 1941 Playboy Jr 54 $3272 1941 Playboy Sr 78 $5372 1941 Brooklyn Oodaer 58 -54448 82 Pace 1991 CATALOGUE Upto dd 250$2pp/lstClassorfreewhen Sadto $2000 adc ested 1st order $300$2001 $450 add$375 $4501 b H0 $7000 add $425 Overrn $7000 add $500 15173 MOnAN STIA] Califadd 600%tax Send BOX 2212 MO VISAIMC # & Exp orWESTMINSTERCA 92684 Check lallow up 30 893-83llPhone days clearance 895-6629 FA checkslHours Mon-Fri 9AM 5PM 188 Model Aviation / /-.--.-- p Custom Balsa Die_Cutting Balsa Sheets745/16 X 14880104 1/8x 12X24613 753/8 x 1-/25194105 3/16x 12x24363 36 4838 1/8x 1/4131876 1/2 x 279 105106 1/4x 12x24420 1 1/16 x 228 4039 1/8 x 3/81419ti"768107 3/32x12x481004 21/16 x 33244401/8 x 1/217241081/8x 12x481149 31/16 x 45371413/16 x 3/1613 lsaBlocks1093/16X 12X48726 43/32x23550423/16x3/817216121101/4x12x48838 53/32x33953433/16x 1/22231 e77 1 x262112 1108 63/32 x 46792441/4 x 1/41827 71/8 x 23854451/4 x 3/8193078 2 x 274130 110C 81/8 x ~691/4 DUCK WOODS7 2x390149Spruce Sticks 1/8x41041/4x3/41/8x 1/8 1723 103/16 x 24462481/4 x 14360 Custom Cut Balsa 113/16 x 35879495/16 x 5/162432 Quality Prices81B1121/8 x 1/4 2128 123/16 x 491 121 50 3/8 x 3/827 42 AAA Quality Ecuadorian Balsa 81C113 1/8 x 3/82333 114 3/16 x 3/162939 131/4 x 25172513/8 x 1/23153 Sanded Close TolerancesBalsa Planks361151/4 x 1/43652 141/4 x 37093523/8 x 3/44863 1285 N Union Street821 x21571161/4 x 3/84158 151/4 x 4110134533/8 x 16573 Stockton CA 95205831 x32191171/4 x 1/24766 165/16x26082541/2x1/241 ss841x42931181/4x16789 175/16 x 382110551/2 x 3/453711 -209-464-0180852x22311195/16 x 5/164362 185/16x 4139185561/2x 16487862x33351205/16x 1/24875 193/8x26895575/8x5/85472 C L872x44751215/16x3/46789 203/8 x 390128583/3 x 3/47598883x35151223/8x3/85264 213/8 x 4165230593/4 x 184111 ace Lite Ply893 x 47151233/8 x 1/26381 221/2 x 283116601 x 1104139 Low Cost Door Skin8981241/2 x 1/26992 231/2 x 3 109 155 608for8ulkheads&FuselageSides89C1251/2 - 3/477101 241/2x 4230 268 60C118x6x48125 3-Ply Light1258 2481/8 x 12 x 48225 24CBalsa Tapered90 1/8x6x24115 125C 911/8x 12x24173Bass Sticks Aileron StockBus Hours 800-500 PST M-F921/8 x 24 x 243453648 Balsa Sticks 3648We accept VISA MasterCard931/8 x 6 x 481731263/16 x 3/162837 3648611/4 x 14363 Personal Checks & COD941/8x 12x483451273/16 x 1/42430 261/16x 1/160611611/4 x 1- 5070Shipping Handling $500951/4 x 6 x 242011283/16 x 3/83138 271/16 x 1/80914621/4 x 1-/a5782 COD add $450961/4x 12x242591293/16 x 1/23746 281/16 x 3/161016631/4 x 26390 imum Order $2500971/4 x 6x 482591303/16 x 3/44860 291/16x 1/41018645/16x 15984 litornia Residents98x 12 x 485181311/4 x 1/43442 301/16 x 3/811 20 65 5/16 x 26794add 6h/ Sales Tax988132 1/4 x 3/839 49 311/16x 1/214 24 66 3/8x 1/s659298C133 1/4x3/46480 134 3/8x3/84860 323/32x3/320711673/8x274105 lsa Ply Birch1353/8x1/25670 333/32 x 1/80914683/8 x 284122 TrailingEdge 99 3/32x6x 122531363/8 x 3/47290 343/32x1/41318691/2x1/x8011536481001/8x6x123111371/2x1/27290 353/32x3/81419701/2X290125711/8x 1/218311013/16x6x122191381/2x3/496120 36 3/32 x 1/2 17 24 708723/16 x 3/429501021/4x6x 12 242 1388 37 1/8x 1/8 09 13 70C731/4 x 136611033/32x 12x24 503 138C Contact Us Kitting Needs nose block must blended damaging thin sheeting An easy solution protect endangered area strip masking tape Larger areas can protected piece two stiff paper taped place structure soft flimsy might damaged pulling off tape try presticking tape dusty workbench woolly sweater weaken stickum little some jobs its best apply tape section sandpaper block rather model masked-off portion block can slide over vulnerable area model abrading Another way prevent oversanding use some type stop guide shown top center sketch Tapering trailing edge Hand-Launched Glider wing thinbut not-too-thin edge difficult job stop can make precise goofproof Position wing blaak trailing edge set back short distance edge workbench backup board As long sandpaper block overhangs edge board theres no way can take unwanted bite out trailing edge Adjust setback distance produce desired trailing edge thickness Indoor fliers use stops sand strip accurate predetermined thickness Continued page 194 190 Model Aviation 89 90 Scalemusters Chumps lrvisg TX hidhey ml Scalemasters an Diego Aerospace Mus2 lirn $1995 #8 90 NW Intl Sculemusters Furrugut Purk-Athul IC Champlin Fighter Museum w/Les Pructor W Seaplane Chumps Sants Musics Mus Flying 2 Hrs $1995 81 90 Tsp Gun Innitutionul Mess AZ W Model tops2 Hrn$1995 #6 89 Scalemusters Chumps St Louis uke Hunuso Schneider Cup Races2 Hrs$1995 #5 89 US Nutlo Scale & Seaplunes W Seuplune ChampsPlanesatFumetastMusEAAMus OohkaohVisit w/Rulph Beck Chicago Ms Sd & Ind 2 Hrs 995 84-99 Top Gus Champs Corul Sprisgo Ft tor Aihutros OVA Preview uLls Seuplune Site NW ntl Scalemasters tor N-il Test Flight Martiss R3C Curtiss Racer2 Hrs$1995 #3- 87 Las Vegas Scalemastero Chumps Procter Jenny Test Flight calemasters Chumps Ft Knox Museum Sig Mtg Museum d Engines tor N-28 Conot & Test Flight Seaplanes 4 Hrs 2995 #2 -88 Sculemasters Chumps Ft Knox Munesm Sig Mfg Tour USAF Museum Tour World Engines Prector N 28TestFlight B8NWSeupluseChumpsProctorN-lBConst Byron Hanger Tour2 Hrs$1995 #1 87 [us Vegas Scalemasters Chumps tor Jenny Prototype-Tour Proctor Enterprises ProctorJenoyTest Flights 82 NW Seuplane Champs Hrn 45 Mis 5 Special Edition Proctor Enterprises A/ba ros OVA Brief Constr Engine & Radio lnstall& Test Flights -2 1dm $1995 Carliss JN4O Jenny Plans- FUN SCALt 100 inches 1804 sq nil lbs B sheets w/isstructions$1995 10807 SE STACY CT PORTLAND OR 97266 PHONE 503 653-2578 PAL & SECAM ORDERS ENTERPRISES 17 MILPERA CRESCENT WANTIRNA VIC 3152 AUSTRALIA 03-80 -3899 VHS-BETA ~ vueu PLANE VIDEO Presents AEROB ATICS AND GROUND SCHOOL 105 minutes AERODYNAMICS AND STALL THEORY -plus HOW TO DO control inputol Proper takeottoLoops rolls SpinsSnap rolls Proper land egoCrosswind techniques $1995 plusS30O5/H ltoreignS600 S/HI -and BUlL DING IT RIGHT THE FIRST TIME 22 hour videotapes Nine constructionRadio lnstallation Fusela9e oonstrectionEngine setup Radio installationPusbrods Fuel systemsCovering film Props spinnersAlignmentBalaocing Shear webbingPLUS MUCH MORE $3495 plus $400 S/H ltoreign-880O S/HI Plane Video PO Box 23128available VISAClive IA 50325/IIS IOWA residents add 4% sales tan M0$wCOd 800383-B25ITOLLFREE OR 515-223-0897 RAFT Excellence Engineering Quality Manufacturing ALL KITS FEATURE Precision Scale Detailed Fiberglass Fuselages Precut Formers Foam Wings Stabs Pre-sheeted Balsa Plus Much More. CUSTOM RETRACTS & POWER PACKAGE AVAILABLE 1/9 Scale F-14 Twin $1200 1/9 Scale F-16C Single $375 1/7 Scale FIA-18 Twin $ 950 1/9 Scale F-16A Single $280 1/12 Scale SR-71 Twin $ 750 1/10 Scale F-4E Single $335 1/8 Scale A-4 Single $215 PRE-BUILT AND PAINTED F-16C F-16A F-4E ALSO AVAILABLE Send $300 Complete Product Information 203 Massachusetts Avenue Lexington MA 02173 USA Tel 617 674-2222 Fax 617 674-2188 Also Available Fiorenze Hobby Center 420 W SR434 Winter springs FL 32708 USA Tel 407 327-6353 Fax 407 327-7148 Prices subject change prior notice shipping handling extra technique involves positioning balsa blank straddled pair wires metal strips desired thickness work surface block sanding until block bottoms out metal stops sketch bottom center shows variation method small wire larger tube being used stops produce strip tapered cross section such trailing edge stock nonskid surface sanding board helpful such operations youll probably also need tape clamp metal stops work surfaceunless have three hands Attempting support flimsy wing tail assembly hand attacking sandpaper block held other hand sure invitation disaster sketch right shows cope situation Slide surface sanded across sanding board see sketch #2 letting fingertips supply both sanding pressure sliding force technique concentrates sanding action small areas directly beneath fingertips also minimizes damaging forces common sanding methods sometimes produce job shown sketch tricky Before attempting practice technique variety flat rugged surfaces following step-by-step description however applies equally easy difficult jobs trailing edge wing section shown being blended match airfoil shape ribs wing section inverted sanding board apply fingertip pressure several places along trailing edge drawdont push panel across abrasive surface Make stroke two move fingertips new position trailing edge After few passes youll able see areas need sanding action should avoided Reposition fingertips accordingly make another pass two across Continued page 196 Bill Ettlngr * S8Soniy Plant Patten0 Set give von eseoned deorgos von went hove selected beet classic designs yon choose $orn pattenno neob pen en important eoclu*ve tees, curtiss HAWK PlC 84Y wingspan ength 2288 eq wing aree Far 13 23 ClO engine annel RIC RCOS14 6 Curtlas FALCON 0-ID/AS 114 wingspan ength 3160 eq wing area Fe 23 o 38 ClO engines annel RIC RCQ5-13 8 One-Third Scale Piper Tn-Pace PA 22 8318onneepen2388sq w gene 2tn3t degnee P048 bRIC eppors 2ba 8 eoeo nogh 8038S$2898 1/3 Scale Piper cb 1-3 ognpanselongsh 28 aecid aeginne 80382$2998 Quarter Scale WW SE-BA ego/S span e 2220 eq wing aeon 78 22 engines $cOs7 8 SPAD CXIII - 781 wing span n 2125 sq wing area 13 31 engines - capable hyer 0 vaptnen imagination $cosa 8 FOKKER DR-i TRIPLANE 72wingepan 1772sqinN wing eea 78 150 engines $cos$ 8 SOPWITH CAMEL Fic K - $4 wing span sq wing orna 11 lbs wlo Rice Ply wend ft balsa vonstnction over 65 eq ft drawinge qcosi 1 8 Fokker D-VII 98 winespen sq iv wi a 85 -25 cid nnainv h ocoss 5 1/4 Scale WACO D 1930aCommerclai tary Export 88wingepan 2048 wing area 76Alength-l2lhsedlqlccl o Engine Oiae 1 223e clak-Y Airfoil Seclen e galsa-Plywood rewovable engine unite Oheob-Mounled Lending Oea $005-Ith $2788 Fiberglass cowiWbeel Pants ft Pairing Availablel Fullsiaa plane 01w lest openvovkpit Wevos avd heautiful hi piano sanriollipcvel wing. Plans show 500 rnilitay end vurnmeviOl versions 113 Scale MONOCOUPE IDA 129 Wingspan 82 Overall Length 2198 eq Wing Area For2llta38ClD Engines RC35-4 111 Effingar Posoding Meerbor AMA NPPS 1411 Pawn PricOs urefn comploto plons sub esnnn51y ft dotuilod pays lisrS PLEASE ADD 839810 shipping iwalline tobel Now ieei plan gets bvvyuo lnfvndublo int ordorli WE TECHNICAL SERVICES RO Box 420144-A Atlanta GA 30342 194 Model Aviation Champion RIC Pilot Bob Fiorenze Yellow Aircrafts F/A-18 F-16C F-4E A-4 FLASH! BOB WINS AMA NATS P18 Is oniy plane win three major events 89 US MASTERS 80 TOP GUN 91 AMA NAT w No 701 Jumpin Geo$725 AC gigh performance Sportster especially designed fun fly events Weighs 3-lb spans 485-in 40-45 power No 702 Heinkel HE 18$200 FF Scale model advanced 1924 German monoplane trainer HiLine Mni-6 geared electric motor powered three 100 mil batteries Weighs 121 grams spans 28-in No 447112A Miss America AC Old-Timer WA Texaco model 009 glow 2-channels$650 No 538Slmitar SlowMotion 15 AC Toilleos tying wing 15 engines spano 60 onex 3-ch AC$350 No 578Schweizer 1-26B AC Goarter-ocale Sailplane spans 125 0 Two plan olleeto$1475 No 581Gee Sea Model Y AC Golden Age Racer opaxo 7215 scole 6t power plan oheens$1175 No 588Mariah AC Slope-Soadog Sailplane opano 4lio ooeo 2 AC channeloS425 No 583TayIorcraft RC Sport Susie ligbtplane boildo standard 2-plocer clipped-wing air show slonter Spoos either 704 58/a 35140 two-otmke 40/48 foor-otinke engine Two plan sheets no docomentation$1000 No 598Coronet 150 AC-Assist Old-Timer enlarged 150% spano 72 uses 40size 4-slroke/30-oize 2-stmke$850 No 603Sparrow Hawk P-30 FF Competition abhor-power plane won t7 Nats Spans 30 in$225 No 619Keith Rider R4 FF Scale Golden Age racer robber powor spans 16 in$300 No 620Gimlet 40 AC Sport/Pattem plane spans Ot 40/50 engine 2 sheets$1100 No 624Keleher Leric AC Qoarter-scale homeboilt spans 00 60/00 4-stroke power 2 plan sheets no doc$1100 No 626Sweepee AC Sport/Pattem canards forward-swept wing spoos 64 uses 40 power 2 plan sheets$1300 No 628Prime Cut AC Sport/Aembatic plane spans 00 uses Quadra 35/40-size power Two plan sheetsS1300 No 630Original Fly Baby AC Old-Timer spans 72 in. ones 19/25 2-cycle 40 4-cycle power 2 plan sheets$1150 No 641LII Ole Reliable AC Old-Timer sport tier spans 50% WA enginesS575 No 644Bellanca columbia AC Schoolyard Scale tar 2 AC channels WA engine Wingspan 46 in$575 No 646winter Itawk FF Robber-power Coupe dHiner competition plane spans 47 in$375 No 65047/88 AC Special AC Aembatic sport plane 40 power spans 61 3 plan sheetsS1075 No 652Der Fledennaus AC Law-wing sport plane 20/25 power spans 55 inS675 No 654Tamacat AC Trainer/spsrtster styled like P14 spans 00 40/61 power Fnor plan sheets$1525 No BBSAetmetar PF AMA Class A/B Gas plane spans 07 uses 325/350cc power$800 No 657Super Squire AC Trainer 35140 2-stroke 53 4-stroke power spans 5614 in$750 No 659Boom Box FF Wakefield Robber compe00on plane spans 54 inS400 No 661Embry-Omatic FF Embryo Endurance robber-pawer plane spans 20 in$200 No 663Pea Patch AC Sportster spans 60 uses 40150 4-stroke power 2 plan sheetsS000 No 684Stuka Stunt CL WA Stunter semiscale spans 37rA inS500 No 665Conacientious Oblactor FF Mulnibill Rubber competition plane spans SOW tatS575 No 668Blita AC Sportater spans 40 in. rises hot 28/32 power 2 plan sheets*1075 No 667AT-fl CL Semiscale pmtle Stunner 35/40 power spans 47 in$575 No 669Roto Raven AC Sailplane unique twist-wing control Spano 76-in Requims elenos mising$650 No 671Casana Cardinal PP Reminder Scale sport tier fsr WA power spans 39W-in$575 No 672Kmckerjac AC opdated nemion pioneer sport plane spans 74-in two plan sheets$1375 No 674Krumpler AC 075-powered Electric semi-scale bi-winger spans 39-inS575 No 675BDP1 FF twin-tailed sport flier Cos 02 Pee Wee engine spans 25-in$225 No 676Hiliner AC twin-electdc high-wing Sport ship designed Hiline Imp-tO motor Has tdcycle gear asd spans 40 55400 No 677Thunderbird CL Stunter 20-35 power Two plan oheets drawn odginal 1962 veco kit Spans 54 in$075 No 678Bean Box PF Want Coast Sostoqion Outdoor design Spans 16/a in$150 No 679Big Dingol Large AC Sporister spano OS Per 120-24 power Two plan sheets$1700 No 680Beiieevs winner Rossias FAI CL Combat ship spans 47 in$475 No 6811969 Bade 904 PF Rubber Scale model spans 16W in$325 No 682B T Vintage Trainer AC Reminder-Scale Sportster 20-size engines Spans 47% two plan sheets$1150 No 683Michaels Mustang CL Sport Scale P-Si WA engines Spans 21 is$325 No 684Staggerwing Beach 3-Chonnel AC Schoolyard-Scale bi-wing Sportoter 049 power Spans 32-in$375 No 685Akro-Bat CL Stunter high-parfonoance 049 engines Spans 32-in$230 No 686Poller AC Pattem-type sport plane 2- 4-cycle power Spans 65-in$725 No 687windsock Non-tying Protle P-St used wiodnane Spsns 30-in$575 No 688Stealth Glider PP robberband-launched foam/balsa Canard Catapot/Steath Glider combe Spans 9W-in$200 No 689Thomas Morse Scout 54C AC A-scale biplane 90 power Spans 63-in 3 plan sheets$1975 No 690P829 Twin Muatang CL Protle Sporlater twin MWS 25 dlesels Spans 48-in 2 plan sheets$1050 No 6911927 HL2 PP Susie model Polish homebait 0-0 woO motor robber C02 Spans 29-in$225 No6923 Mater Scooter AC High Performonce Sailplane Spans 110-in 2 plan sheets$1150 No 693Cardinel Classic CL Sport Stenter 35 power Spans 50-in$575 No 694Airnasater AC Canord Sportster two 40 push-pull engines 00 pusher tractor Spans 66-in 2 plas sheets . $1475 No 695Spirit 06 St Louis CL Scale roplica 1525 power Spano 48-in$575 No 696Pole Cat PP P-30 Class AMA Sanior rocord holder Spans 31-In$225 No 697Tigerkltten B AC lligb-perfnnoaoce Sport Aerobatic design 00/15 Cobalt electric power Spans 54-in plan sheet plus toe-page inetroctloo booldet$1000 No 696Novacione CL One-design multi-enent Sport tler 35 power Spans 42-in$400 No 699 Top Cat 90L-1 PP Rubber PAl Indoor Stick Gliderholder AMA Cat PlO & Stick National Recards Spans 13125-in Two plan skeets$300 No 700 Randys Dime AC economical neroatile Sport Trainer ideal 10 power Weighs 33-os. spans 50-is$575 0 nj 5CsJ 0 V ssc 01 no 5 3 0 O co 01 00~ 0 00 0 0 V3 01 55 0 -0o N 0 5 Jo 01510 -01 0 55 no 00 010* C5 00 v 010 _ O -Io 01 e5as 0 960 C -00 C 01CITY Os LL 0 reTi numbers of plans wish order best handling please include quests payment some other service plans order 447539578581588593598603 619620624626628630641644 646650652654655657659661 663664665666667669671672 0 2674675676677678679680681 -682683684685686687688689 690691692693694695696697 698699700701702 Plan price inCludes first Class postage US delivery Air Mail over 300 miles orders non-US address lease add $250 Air Mail osta e handlin Ian Make check money order le US funds drawn US bank Model Aviation AMA 1810 Samuel Morse Dr Reston \JA 22090 Please allow 3 6 weeks delivery Please print CarefullyEnclosed $ ______________________ NAME ________________________________________________ AMA No _________________ STREET ZIP L2TATE Letters Editor Continued page 6 RC Combat attracts members Editors note letter written Dr Sandy Frank Weatheiford Texas Sandy tells us has received almost 100 letters similar expressing interest RCCA Radio Control Combat Association read interest letter editor Model Aviation am interested becoming member charter otherwise recently assembled Kombat 40 Enya 45 CX tuned pipe flies well now am search others dogfight idea aerial combat made immediate sense saw Airplane Factory ad have no doubt will soon see sanctioned events planes Rules will have formulated course As relative newcomer hobby flying three years input might limited am willing help way can am curious about what kind doctor notice life member AMA assume newcomer hobby information am mechanical engineer Lehigh class 78 running own air conditioning business build special refrigeration machinery computer controlled screw machines 1000 hp service large AC systems repaired main AC Cunard Princess Malta before headed Persian Gulf R&R duty Because background RC flying perfect hobby will striving over years understand detail model flight control engines Please let know progressing RCCA may fit Benjamin Bailey Rumson New Jersey Ed note Dr Sandy Frank psychologist RMcM Sandpaper/Mcllrath Continued page 188 sanding board again inspect work ribs have unwanted flat spots protect strips masking tape before resuming little practice youll soon learn quick accurate damage-free work delicate structures tools techniques certainly arent new Perhaps already use someor allof yourself give try may discover hidden talent old-fashioned paper thinks its tool 196 Model Aviation