CONTROL LINE SPEED T F YOU ARE CONTEMPLATING Jbuilding new 21 Sport Speed airplane might check out Nick Arpino s new magnesium pan heavy-bodied Rossi engine will easily drop pan minimum metal removal have used Nicks longer Class pan before add metal lumps outside prevent grinding through wall fitting massive crankcase lugs inside found welder magne sium welding rod just piled up metal told him irregular lumps ground shape Dremel tool filed sanded polished rest pan new pan eliminates problem design similar FAI machineturned pansshort ring backso can just saw off top half ring want use half-pan Proper speed props can difficult obtain several suppliers handmade fiberglass fiberglass-carbon fiber handmade props country Europe Australia props expensive unusual scrape up prop landing unless add landing gear Speed jobs Formula 40 have used several new APC propellers inexpensive work Landing Products Company has listened competition fliers well sport fliers produces almost size prop could desire suitable sizes 21 40 9 x 10 65s Just check ad have hobby shop order order direct APC props first came out some flew apart used highoutput competition engines especially Combat engines new props have longer reinforcing fibers keep together fibers glass easy file down want change shape diameter can also change pitch heating prop hot air gun twisting blade dipping cold water hold twist used 65 x 6 props TOP Rossi 21 last fall turned over 142 mphnot bad first flight engine 21 airplane has hatchback-type fuselage similar old Hell Razor designed flown national Class D record George Fong years ago fuselage extends back almost straight line top cowl tail wing protrudes side Since Ive beaten contest typical helmet-cowl-type airplanes started wondering much difference drag between two designs way find out build new airplane compare difference speed using same engine props just got CS 21 engines sol have build airplane too two new airplanes will undoubtedly shock few since P40 airplane built back event started might well use momentous occasion try help few have trouble building speed job new speed ship really quite easy builda lot easier good stunt job carrier airplane wing about hard part usually start like use good basswood 21 airplane needs wing least quarter inch thick center cut wings desired outline typically 19- 20-inch span 3-inch chord center tapered 1/4 inches tips like elliptical shapes too arent much harder make prefer Im convinced planform shape makes difference drag use whatever looks best After cutting shape taper thickness J/ inch wing tip using hand plane and/or belt sander Since need some kind reference shape airfoil draw straight pencil ink line center edges mark leading trailing edges will normally use fully symmetrical airfoil some builders will carve slightly lifting shape part wing usually just few inches center dont need much lift speeds going think symmetrical section should have less drag lifting section Carve airfoil knife wood rasp plane sanding block combination Continued page 182 July1993 117 Ned Morris trophy-winning Formula 40 Ned sandwiches plywood core between balsa sheets strong wings stabs Nick Arpinos magnesium half-pan Landing Products injection-molded provides sturdy lightweight mount nylon reinforced polymer fibers Wally Kruegers Nova Rossi 21 APC props available several sizes Parts authors new 21 Sport Speed model Note method splitting wing allow easy carving leadout slots bellcrank cavity entered key 16 3248 etc 161 winder calculator can operate fast enough can enter 1 count shaft turns directly time last report no good sequence counting number turns backed off Since Tom Kelley member TOPMAC club Topeka Kansas reported solution counters having plus-minus key set count-up sequence before enter constant press plus key count input switch still drives equals key counting down press plus-minus key crank out whatever turns necessary Counter modules Some available commer cial counter modules have used driven same switch modules typically BILL EFFINGER SAYS Only PIann Pattern sets give oor roe assorted designs wOnt hove selecreo best classic designs 01011 tine choose horn pollen tot eoch pod ore impottonr enclusoss feature GIANT 1/3 SCALE CESSNA 170 length sq wing 1440mg spon teo gc 10 engines os 9035-5 $3495 MONOCOUPE 90A log rcingspon92engnt2155V. 55 0 06 oruo o35010 end nes 9035-452995 PIPER TRI-PACER PA-22 1163/g umog spon sq n ng oroo 25to300Deognns 45cnh0 s 9 1g ovetoll length 5035-3 52995 PIPER CUB J-3 11 9 roOd spon nngtn sq oring orb 4 Co 90 5 OlD eng net 50352 95 FAIRCHILD 24 145 orina shon 00 5ClDengnel7bswIohC Sodral & une Vets Ohs 9035-5 $3490 count 1000 times fast necessary counter can show actual turns instead winder turns final step custom electronic coun ters used Stan Chilton Don Slusarczyk Don now uses both electronic counter electronic torque meter fully confident accuracy reliability photo setup Don uses appeared April 93 issue uration/Murphy Continued paqe 114 Rochelle Avenue Irvine CA 927 14-2941 Clubs can order four copies get fifth freea 20% savings Ya gotta git Engines kits Don Belote advises another reproduction engine venture down under now spitting out 25cc Oliver Tiger Mk III originally 1954 vintage Don has obtained specimen says quality excellent turns RevUp 9 x 5 10500 rpm after just few rnns price $125 plus $5 shipping little diesel engines available Andrew Kennedy 79 Hull Rd Croydon Victoria Australia 3136 Should order tell em Gday Duration West-Coasters Bruce Augustus Bill Lynch have front-runners relatively new FAI FlJ event Bill being current AMA national record holder Most event publicity point has mentioned Chinese CS American Shuriken engines power plant sugges tions fellows using relatively unknown commercially available engine Italythe AD 06 icc have yet see up close personal claims lightweight come ready-tofly out box reasonable break-in produce much power other product choices engine available direct Italy $165 Mario Rocca 44020 Rovereto Ferrarese Italy stateside Bill Lynch replaces head Nelson plug conversion $23750 complete assembly Bills address 11137 Creekhaven Court Auburn CA 95602 might wish send initial inquiry correct pricing before 1/4 SCALE WORLD WAR SCALE GOLDEN AGE ALBATROS DNA 99 oring span /9 length sqirt oring oreo 3Gb engines 4ch 90 121559C9S17 02495 SE-5A 95 1/2 orihg span sq nor og otess 795022 engines 9090-752495 SPAD C-XIII 791 4orngsponSl20sqinoring osess o 3 1 engines 9095 002795 FOKKER DR-i TRIPLANE 72 oring soon sq wing alec 7970 1 00 engines 0090-6$2495 SOPWITH CAMEL P1 94 oring shah sq ih oring e 11 los or/oRe rooo & 9010 Construcrlon 9095-115249U FOKKER D-VII 9g orrog span sq wing e 9btosoolbenglnes nP /095-5S2495 NIBUPORT 28 951/2 oring span 1595 sq g otess -78 23 OlD engines -40990-11101 9090-952495 order since pricing subject abrupt change occasion Lee Campbell recently cranked out other 020-sized kit offering Nostalgia Gas scene Taibi Spacer 80% original /oA sizethat figgers about 160 square inches wing area price $2198 plus $4 shipping should able find through hobby dealer handles Campbells Custom Kit products goodies soon come sez Lee kits much better jokes Try Paul Bunyan Beerits Lager Terrible Anyway mailing address 401 Execu tive Center Drive Suite H-108 West Palm Beach FL 33401 Tel 407 686-7824 Roger Coleman business manager United States Free Flight Championships USFFC wrote point out error concerning Womens High Time winner 93 contest Junior B Gas flier Katrina Duncan took honors didnt receive proper recognition Belated congratulations Well guess aint no month See ya downwind 4CL Speed/Lee Continued page 117 suits Periodically check make sure arent building twist warp can check looking trailing edge centering pencil line Any warp should readily visible Use same technique leading edge Finish rough sanding block until edges about /32 thick Leave final sanding until after assembly step bothers prospective speed fliers next cutting grooves leadouts Some builders rout carve stepped slot bottom wing first narrow groove deep wider groove shallow glue thin strip wood cover narrow deep groove time tried technique ended up warped wing after glue dried Continued page 184 AERONCA C-3 CURTISSHAWK PlC IISOCALS 94 .144 oring span sq song area 79to22 1 2 oring span 69 lengrn2269OlD engines 9 RO bs or/a 90 setnooable sq nor ng aea 023 engines 'oring panels 9035-7$2990 4 cn 5090-14 $2498 CURTISS FALCON O1B/A3 114 oringspon93 engfh3laOsqin oring asea 0 5 engines WACO D 1930S COMMERCIAL & Military Expost1/h SCALE 99 orog span oring area /2 lengtn 72 oring span sq oring atea 191045 OlD 12 lbs 23 enginesengines 500 s or/aRC e OlatO-Y foil Section a Pywood tetnooable engine unit oring P065-7 $1490 Shock Mounted Landing Gear Floerglass Cool Wnee Ponts &. halting Ava label 1/6 SCALE CESSNA 170 9065-5$1490 FAIRCHILD 24- 723/4 wing span 65 end nes 9055-6$1490 Ptioe ate los complete plane sub assesnoly & detaIled parts lists PLEASE ADO $300 shipping Insailing tssbel New PIOn Sets boohae $100 W E TECHNICAL SERVICES P 0 Box 0246 Island GA 31561-0246 182 Model Aviation Trader Classifieds Buy/Sell/Trade Newsletter National Coverage Fast Circulation Call Write yourr- PO Box 145 FREE Sample CopyBig Lake MN 55309 Ad Coupon612 295-7021 739Jouster$ 1475 RC Sailplane has looks performance 122-inch span includes full construction text 3 plan sheets 740Humbug$ 725 CL Nostalgia Stunt Updated version 1966 Netzeband design has 561/3-inch span No 193 StIletto CL Stool wodel McDonald winner 1976 1980 1902 FAt Wood Chawps No262 Creshtrreetor CL crash-proof trainer Two sizes15-30 30145 power No3101930 Fleet BIplane SC Spon Scale 35-40 p awar 4-channel Spano SOlo ocale 2 p1 Na 314 Greke lit 90 Ken Willard 5 SpinS hoot 3-chennel 15 power Ply flow lend rawocable 500 Na 326Tepier Cab SC Don Orcils Schoolyard Scale 049 power 2-Scoannel Spans 55 Ne 332 Zephyr 50 swell 2-channe Glider hand-leonch tow thorwol slope soering Ne 386 Leeer 200 90 Span Scale roplca chalopionship Aerohafic flier P0140 power 4-S channel Ne 447 112A Mien Anserleat SC Old Tiwer toO Tooaco wodel 049 glow 2 channelo No 538 0109 Sioss-Metion 1 5 OCTaillessflpingwn9101 15 power SpanoOS in. 2 channel No 578 Sahoneleer 1-26B SC Qoaner-scale Sailplane Spans 125 2 plan sheets Ne 561 Gee Ben ModelS PC Goden Age Racar Spans 72-in scale 10100 power 3 plan cheats Na 088 Merteb SC Slopo-Sooring Sailplane Spano 41 in. 2 SC channels Na 598 Coronet 156 AC-Assist Std-Tiweranlorged n55% Spans7O n P0140- 4slroke/35-2-stroka. Na 603 Sparrow Henak P30 PF Cowpelilion robher-powar plane wan 1907 Nato Spans 35 Ne 646 Winter i-tense FP Robeer-powor Cooped Hicer calopalican plane Spans 47 No9604718880 Speolel 90 Aerobatic spoo plane 10140 powar Spans Olin an sheets Na 604 Teoleoat SC Trainar/Sporlster styled aher P14 Spans 00 FOr 40/01 power 4 plan shoe Ne 661 Erebry-Oreetlo PP Ewbryo Onooronce toSser power plane Spans 2050 No667 AT-Ot CL Sawiscale profile Stcoter 35/40 power Spans 47 No678 Bean Boet PP West Coast Bostonian Ootdoordesign Spans lOin Na 679 Big Bingat Large SC Sponster spans 05 P01120-24 power 2 plan shaets 11889 Bede BOO PP Robber Scale wode spans 105 No684 Steggerwing Beesh 2-Channel SC Schoolyand-Soeie Si-wing Sponster P01049 power Spans No686 Falter SC Panern-typo spoc plane P012-or 4-poole power Spans 05 80688 stealth Gilder PP rabberSand-loanched foowWabca Canard CatapolOSteolth Glider cowbo Spa No689 Thenree Morne Seaat S4C SC lo-beate Aiplono 10100 power Spans 03 3 plan sheets 806933 Meter Scooter SC high porfonnonce Satiplono Spans 110 in2 plon shaets No696 Pole Cat PP P30 Class AMA Senior recard holder Spans 3 No697 Tigerkitteo 0 SC high padonnance Spon Aerohatic oesign P0105/15 Cobalt oloolnic powar Spans 54 Ne 698 Top Cat 96L-t PP RobSar PAl Indoor Stickholds AMA Cat PlO Stiek Nato Racards Spans 13125 12 plan sheets Na 760 Randpe Siren SC ooonowcal cersatile Spon Trainer Ideal 10110 power Weighs 22-co Spans 2540 No701 Janrpin Gee SC high pedorwance Spooster designed tan fly ecents WeIghs 3-lb spans 40 Pot 4045 pooor No702 Helekel HE 18 PP Scate wodel 011924 Gorwan wonoplane Pot HiLine Mini-6 Soared electric wotor Spans2o No703 Cleedhepper SC Gianr Scale SpoOslor rewiniscent 0119305 050th howe-bout Spans 05 n P0190 power 2 plan sheets Ne 705 ZenOll PP Oaod-Lacnoh Glidorforserioasoowpetition Wing OT Spans 10 n. 35-30 grows Na 7884-Gone SC low wng 40-50-powered SpoO Aewbatlo design neniniscentot 1930s Kinnenor Ryan spoc plane Spans 570 No707 S2F Tracker CL Scale twin-049-poeeroo wodel 01 Grawwan design Spans 30 NO788 PGM Trainer PP robber-powered trainer ideal introdaction 900 flying Spans lOin Na 709 Air Cadet 90cr PP ton fler/traner 101020 power Stck-and-tissce wodel reoollocrs Cessna 0rd Dog Spans 30 n Na 710 Oaiakie 360 SC Pyton rocarand Spooflierfornrorwodioio bcilger/tflier Canoe racadwith CLoISO 20 power P00w oog spanods No711 FakOer B-il Type PP 900 Robber-powereo 00100cr 010k wodel Sewiniscent WWI Gerwan tIghter opans 235 Na 7t2 Veinset Bedigo L-9OTP SC Spoc Scale cersion Pinnish Vinke wilitary trainer Qoadra onZenoah power Spans 94 2 plan sheots Ne 713 MiG 29 PP Catapolt Glider Panerned 0001 Rossian plane dewonstrated Cleceland Ohio 1991 Spans t3 0 No714 Mad Sack SC oser-friendly SpaS fliar lot relaoed slow flight Focals low slow waneocew 25-30 power Spans OS 2 plan shea No715 Stephece Acro SC Ouohor-scalo aerobatic plane spans 725 in. oses 75/90 power 2 p00 550015 No716 Siess Paker PP RecorO-senleg Intdoor HLG spans 245 Wood stroctore reinforced carbon Irber No717 Seeticeen 80 CoorhasPleon SC SporSCowbatllierrrow Socala 35cc engine 3-channels spans 475-e No718 Lite Bipe SC Very aerobatic ton-fly bipa design John Honon Spans 065-tn. 30-45 power 20100 sheelsl No719 Aria SC 0104110 portOrwOnoetspoO glider 9O-dine0-drice wotor Poor channels Spans 09 Variable tIap systew 2 plan sheets Na 73oMinatenren PP PrankZacs popularall-balsa-oocened robSer-powered wodeltakenfrow PopolanScience Jone 1941 Spansoo No721 Lii Poller RC wia-wing ton-ny soon plane Polly aenobatic 4-chonnel control Far 40-51 power Spans 40 No722 Laaep M-85f3 PP Ocoblod 70-so-in flow Bostonian design Pot Mini-P wotorand SO wOO bohrOes Spans 1 95-in No 723 Ania 87 CL Dosigned Polanosy PiotrZawade Ada p00000 Intended Shon Aerobarics Prograw P0115 pawor Spans 30/ Na 724 Seorot Weapen SC Gant Scale wid-wing aerosatic ship taken flow originol 1947 Stool design Spans 00-in 2 plan sheets No725 Cerdloal 89 CL Slonter classic OSS lines oniy4 Slant ships ecer awarded 20 appearonco paints Spans 00/c OS power.. No726 Cia-Ak-Dee SC Olecric-powered lighbsaight Cessna look-alike Ion flier POr 035 wotor 0-cell pack Spans 52/4-in 2 plan shoets Na 727 Cartlne XF7C Seaherek CL wotti-porpose bi-winoer Can cowpete both Profile Soala Sacy Corner Spans 32-in Pot 35-40 power.. Ne 738 EleatOs Satellite 450 PP Elelorto cancersion Can So bout 0-cell Class Aol 7-oell Class B Spans 501to-in Por Astroffito 035 CoSalt wtr. Na 729 Tigeroat SC Electrtc 73nn-spon ecciotion TigorKinen Low-wing spoloarrobatlo Cobalt 00 wotor 20 1200 MAn coIls 2 plan shts Na 730 Soappert CL Profile stonIer aased classic 1954 bA Snapper 40/o-inspan widwing 25-35 power No731 Feether Merahaet PP Old-Tiwer PP SC Assist 70 span 129 power Posy totip ecceptionaily wide stall toloranco 2 plan sheets Na 732 Long-Wing Aria Long-otno plan 93 span ARIA SC spod glider Wing plon rerfoires plan 719 1 pran sheet No7331041 Tepiorarett SC qoaner-scale design captores ooigoe flying qoelitiesofthefoll-scalaTayfarcrah 105-inch span 2 pran sheets No734 Snoipe SC Is-scale test wodel 79-inch span 2 plan sheets [v33][b822192911816440]] No73536 Spealel CL 40-powered biplana stool wodel offers scoleilike appoaronce 30-inch span Ne 736 Tern ii PP Ootdoor HLGcowpatitisn 10-inch span 12 oonco weight No737 Penn JN-I 3-channel SC spon design fOr 15 en5ines spans 501/2 nones No738 Mini-wiolMAS PP Robber Scale cersioc toll-size oltraight Span is24 1/ flies 1/0-in nbber 9 375 9 120 9 025 9 375 9 350 9 200 1075 5 050 0 250 $1475 91175 $ 425 $ 000 9 225 9 375 51075 01525 0 200 $ 575 $ 150 S n700 $ 325 $ 375 $ 725 O 200 51975 01150 $ 225 51000 $ 300 $ 575 $ 725 $ 200 91450 9 200 O 000 O 320 $ 150 $ 400 $ 550 $ 200 91500 9 225 $ 900 91375 $ 200 $ 075 $ 000 $ 72S $ 200 0 000 $ 225 $ 400 $1000 91125 $1125 $ 400 $ 725 $1400 $ 050 $1095 $ 475 $1450 SlSSO 400 $ 150 $ 475 $ 150 Full-size plan list available complete listing plans previously published magazine through no 730 may obtained tree charge writing enclose 52 stamped pre-addressed #10 business-size letter envelope Model Aviation 1810 Samuel Morse Dr Reston VA 22090 [v32][b-1-10-1-10]]1 Circle numbers plans wish order boot handlng please sot toode requestsorpdymeot some other ServiCe yogr pans order No phone orders coIl 703 435-0750 order osslstoooe ONLY I 193262310314326332386447539578588598603646I 650654661667674675678679681684686688689692I 696697700701702703705706707708709710711712 713714715716717718719720721722723724725726 727728729730731732733734735736737738739740 Plan price includes first class postage US delivery Air Mail over 300 miles lease Na COD Orders Make check money order payable US funds drawn US bank Model Aviation 0/0 AMA I1810 Samuel Morse Dr1 Reston VA 22090 Please allow 3 6 weeks deliveryI II Please print carefullyEnclosed -$... II NAME_________ _____ AMA No _____-I ____________________________________________________________I STREET__________________________ II ICITY ___-______ _____________-I II STATE_____ __-___ ZIP _______ L orders non-US addresses please add $250 Air Mail postage handling plan CL SpeedlLee Continued page 182 So draw lines want leadouts saw along lines wing tip wing tlPr thin-bladed jigsaw wing three pieces itrs easy carve grind grooves wires best thing Irve found job X-Acto grooving tool use gouge half round mating part wires will fuel proof resin finishing epoxy glue pieces back together Using rubber bands clamps carefully align three pieces maintain airfoil shape Next carve extra room wing tip glue /32 OD brass tubing line guides about inch long reinforce tip lightweight fiberglass make groove wide center line loop clearance bellcrank pivots Running A6 wire through groove before glue sets ensures will clear opening wires Ned Morris likes make wings out balsa plywood core cuts plywood shape wants cuts slots leadouts laminates balsa sheet side instant glue First might want cover table waxed paper dont glue anything special trick required make gluing work plywood really well bonded balsa Ned covers plywood good layer gluenot thin stuff sprays balsa accelerator presses balsa against plywood sets instantly have lined up sure press against nice flat surface Next month Ill try have some test results r-* CL Aerobatics/McMiIIan Continued page 122 Just closing word what sounds like great idea promote youth participation David Narance president Marion Ohio Airfoils writes clubrs third annual Fathers Day Fun Test 1-5 pm June 20 1993 Marion Municipal Air port Youth focus idea have fun participate Features include /2A Stunt Weirdo Stunt event unusual good Looks like great way enjoy Fatherr s Day yourre area Perhaps other clubs might consider similar ideas Next month Ill feature about work George Aldrich does cylinder piston fits because real secret super engines correct running fits Model Aviation
Edition: Model Aviation - 1993/07
Page Numbers: 117, 182, 184
CONTROL LINE SPEED T F YOU ARE CONTEMPLATING Jbuilding new 21 Sport Speed airplane might check out Nick Arpino s new magnesium pan heavy-bodied Rossi engine will easily drop pan minimum metal removal have used Nicks longer Class pan before add metal lumps outside prevent grinding through wall fitting massive crankcase lugs inside found welder magne sium welding rod just piled up metal told him irregular lumps ground shape Dremel tool filed sanded polished rest pan new pan eliminates problem design similar FAI machineturned pansshort ring backso can just saw off top half ring want use half-pan Proper speed props can difficult obtain several suppliers handmade fiberglass fiberglass-carbon fiber handmade props country Europe Australia props expensive unusual scrape up prop landing unless add landing gear Speed jobs Formula 40 have used several new APC propellers inexpensive work Landing Products Company has listened competition fliers well sport fliers produces almost size prop could desire suitable sizes 21 40 9 x 10 65s Just check ad have hobby shop order order direct APC props first came out some flew apart used highoutput competition engines especially Combat engines new props have longer reinforcing fibers keep together fibers glass easy file down want change shape diameter can also change pitch heating prop hot air gun twisting blade dipping cold water hold twist used 65 x 6 props TOP Rossi 21 last fall turned over 142 mphnot bad first flight engine 21 airplane has hatchback-type fuselage similar old Hell Razor designed flown national Class D record George Fong years ago fuselage extends back almost straight line top cowl tail wing protrudes side Since Ive beaten contest typical helmet-cowl-type airplanes started wondering much difference drag between two designs way find out build new airplane compare difference speed using same engine props just got CS 21 engines sol have build airplane too two new airplanes will undoubtedly shock few since P40 airplane built back event started might well use momentous occasion try help few have trouble building speed job new speed ship really quite easy builda lot easier good stunt job carrier airplane wing about hard part usually start like use good basswood 21 airplane needs wing least quarter inch thick center cut wings desired outline typically 19- 20-inch span 3-inch chord center tapered 1/4 inches tips like elliptical shapes too arent much harder make prefer Im convinced planform shape makes difference drag use whatever looks best After cutting shape taper thickness J/ inch wing tip using hand plane and/or belt sander Since need some kind reference shape airfoil draw straight pencil ink line center edges mark leading trailing edges will normally use fully symmetrical airfoil some builders will carve slightly lifting shape part wing usually just few inches center dont need much lift speeds going think symmetrical section should have less drag lifting section Carve airfoil knife wood rasp plane sanding block combination Continued page 182 July1993 117 Ned Morris trophy-winning Formula 40 Ned sandwiches plywood core between balsa sheets strong wings stabs Nick Arpinos magnesium half-pan Landing Products injection-molded provides sturdy lightweight mount nylon reinforced polymer fibers Wally Kruegers Nova Rossi 21 APC props available several sizes Parts authors new 21 Sport Speed model Note method splitting wing allow easy carving leadout slots bellcrank cavity entered key 16 3248 etc 161 winder calculator can operate fast enough can enter 1 count shaft turns directly time last report no good sequence counting number turns backed off Since Tom Kelley member TOPMAC club Topeka Kansas reported solution counters having plus-minus key set count-up sequence before enter constant press plus key count input switch still drives equals key counting down press plus-minus key crank out whatever turns necessary Counter modules Some available commer cial counter modules have used driven same switch modules typically BILL EFFINGER SAYS Only PIann Pattern sets give oor roe assorted designs wOnt hove selecreo best classic designs 01011 tine choose horn pollen tot eoch pod ore impottonr enclusoss feature GIANT 1/3 SCALE CESSNA 170 length sq wing 1440mg spon teo gc 10 engines os 9035-5 $3495 MONOCOUPE 90A log rcingspon92engnt2155V. 55 0 06 oruo o35010 end nes 9035-452995 PIPER TRI-PACER PA-22 1163/g umog spon sq n ng oroo 25to300Deognns 45cnh0 s 9 1g ovetoll length 5035-3 52995 PIPER CUB J-3 11 9 roOd spon nngtn sq oring orb 4 Co 90 5 OlD eng net 50352 95 FAIRCHILD 24 145 orina shon 00 5ClDengnel7bswIohC Sodral & une Vets Ohs 9035-5 $3490 count 1000 times fast necessary counter can show actual turns instead winder turns final step custom electronic coun ters used Stan Chilton Don Slusarczyk Don now uses both electronic counter electronic torque meter fully confident accuracy reliability photo setup Don uses appeared April 93 issue uration/Murphy Continued paqe 114 Rochelle Avenue Irvine CA 927 14-2941 Clubs can order four copies get fifth freea 20% savings Ya gotta git Engines kits Don Belote advises another reproduction engine venture down under now spitting out 25cc Oliver Tiger Mk III originally 1954 vintage Don has obtained specimen says quality excellent turns RevUp 9 x 5 10500 rpm after just few rnns price $125 plus $5 shipping little diesel engines available Andrew Kennedy 79 Hull Rd Croydon Victoria Australia 3136 Should order tell em Gday Duration West-Coasters Bruce Augustus Bill Lynch have front-runners relatively new FAI FlJ event Bill being current AMA national record holder Most event publicity point has mentioned Chinese CS American Shuriken engines power plant sugges tions fellows using relatively unknown commercially available engine Italythe AD 06 icc have yet see up close personal claims lightweight come ready-tofly out box reasonable break-in produce much power other product choices engine available direct Italy $165 Mario Rocca 44020 Rovereto Ferrarese Italy stateside Bill Lynch replaces head Nelson plug conversion $23750 complete assembly Bills address 11137 Creekhaven Court Auburn CA 95602 might wish send initial inquiry correct pricing before 1/4 SCALE WORLD WAR SCALE GOLDEN AGE ALBATROS DNA 99 oring span /9 length sqirt oring oreo 3Gb engines 4ch 90 121559C9S17 02495 SE-5A 95 1/2 orihg span sq nor og otess 795022 engines 9090-752495 SPAD C-XIII 791 4orngsponSl20sqinoring osess o 3 1 engines 9095 002795 FOKKER DR-i TRIPLANE 72 oring soon sq wing alec 7970 1 00 engines 0090-6$2495 SOPWITH CAMEL P1 94 oring shah sq ih oring e 11 los or/oRe rooo & 9010 Construcrlon 9095-115249U FOKKER D-VII 9g orrog span sq wing e 9btosoolbenglnes nP /095-5S2495 NIBUPORT 28 951/2 oring span 1595 sq g otess -78 23 OlD engines -40990-11101 9090-952495 order since pricing subject abrupt change occasion Lee Campbell recently cranked out other 020-sized kit offering Nostalgia Gas scene Taibi Spacer 80% original /oA sizethat figgers about 160 square inches wing area price $2198 plus $4 shipping should able find through hobby dealer handles Campbells Custom Kit products goodies soon come sez Lee kits much better jokes Try Paul Bunyan Beerits Lager Terrible Anyway mailing address 401 Execu tive Center Drive Suite H-108 West Palm Beach FL 33401 Tel 407 686-7824 Roger Coleman business manager United States Free Flight Championships USFFC wrote point out error concerning Womens High Time winner 93 contest Junior B Gas flier Katrina Duncan took honors didnt receive proper recognition Belated congratulations Well guess aint no month See ya downwind 4CL Speed/Lee Continued page 117 suits Periodically check make sure arent building twist warp can check looking trailing edge centering pencil line Any warp should readily visible Use same technique leading edge Finish rough sanding block until edges about /32 thick Leave final sanding until after assembly step bothers prospective speed fliers next cutting grooves leadouts Some builders rout carve stepped slot bottom wing first narrow groove deep wider groove shallow glue thin strip wood cover narrow deep groove time tried technique ended up warped wing after glue dried Continued page 184 AERONCA C-3 CURTISSHAWK PlC IISOCALS 94 .144 oring span sq song area 79to22 1 2 oring span 69 lengrn2269OlD engines 9 RO bs or/a 90 setnooable sq nor ng aea 023 engines 'oring panels 9035-7$2990 4 cn 5090-14 $2498 CURTISS FALCON O1B/A3 114 oringspon93 engfh3laOsqin oring asea 0 5 engines WACO D 1930S COMMERCIAL & Military Expost1/h SCALE 99 orog span oring area /2 lengtn 72 oring span sq oring atea 191045 OlD 12 lbs 23 enginesengines 500 s or/aRC e OlatO-Y foil Section a Pywood tetnooable engine unit oring P065-7 $1490 Shock Mounted Landing Gear Floerglass Cool Wnee Ponts &. halting Ava label 1/6 SCALE CESSNA 170 9065-5$1490 FAIRCHILD 24- 723/4 wing span 65 end nes 9055-6$1490 Ptioe ate los complete plane sub assesnoly & detaIled parts lists PLEASE ADO $300 shipping Insailing tssbel New PIOn Sets boohae $100 W E TECHNICAL SERVICES P 0 Box 0246 Island GA 31561-0246 182 Model Aviation Trader Classifieds Buy/Sell/Trade Newsletter National Coverage Fast Circulation Call Write yourr- PO Box 145 FREE Sample CopyBig Lake MN 55309 Ad Coupon612 295-7021 739Jouster$ 1475 RC Sailplane has looks performance 122-inch span includes full construction text 3 plan sheets 740Humbug$ 725 CL Nostalgia Stunt Updated version 1966 Netzeband design has 561/3-inch span No 193 StIletto CL Stool wodel McDonald winner 1976 1980 1902 FAt Wood Chawps No262 Creshtrreetor CL crash-proof trainer Two sizes15-30 30145 power No3101930 Fleet BIplane SC Spon Scale 35-40 p awar 4-channel Spano SOlo ocale 2 p1 Na 314 Greke lit 90 Ken Willard 5 SpinS hoot 3-chennel 15 power Ply flow lend rawocable 500 Na 326Tepier Cab SC Don Orcils Schoolyard Scale 049 power 2-Scoannel Spans 55 Ne 332 Zephyr 50 swell 2-channe Glider hand-leonch tow thorwol slope soering Ne 386 Leeer 200 90 Span Scale roplca chalopionship Aerohafic flier P0140 power 4-S channel Ne 447 112A Mien Anserleat SC Old Tiwer toO Tooaco wodel 049 glow 2 channelo No 538 0109 Sioss-Metion 1 5 OCTaillessflpingwn9101 15 power SpanoOS in. 2 channel No 578 Sahoneleer 1-26B SC Qoaner-scale Sailplane Spans 125 2 plan sheets Ne 561 Gee Ben ModelS PC Goden Age Racar Spans 72-in scale 10100 power 3 plan cheats Na 088 Merteb SC Slopo-Sooring Sailplane Spano 41 in. 2 SC channels Na 598 Coronet 156 AC-Assist Std-Tiweranlorged n55% Spans7O n P0140- 4slroke/35-2-stroka. Na 603 Sparrow Henak P30 PF Cowpelilion robher-powar plane wan 1907 Nato Spans 35 Ne 646 Winter i-tense FP Robeer-powor Cooped Hicer calopalican plane Spans 47 No9604718880 Speolel 90 Aerobatic spoo plane 10140 powar Spans Olin an sheets Na 604 Teoleoat SC Trainar/Sporlster styled aher P14 Spans 00 FOr 40/01 power 4 plan shoe Ne 661 Erebry-Oreetlo PP Ewbryo Onooronce toSser power plane Spans 2050 No667 AT-Ot CL Sawiscale profile Stcoter 35/40 power Spans 47 No678 Bean Boet PP West Coast Bostonian Ootdoordesign Spans lOin Na 679 Big Bingat Large SC Sponster spans 05 P01120-24 power 2 plan shaets 11889 Bede BOO PP Robber Scale wode spans 105 No684 Steggerwing Beesh 2-Channel SC Schoolyand-Soeie Si-wing Sponster P01049 power Spans No686 Falter SC Panern-typo spoc plane P012-or 4-poole power Spans 05 80688 stealth Gilder PP rabberSand-loanched foowWabca Canard CatapolOSteolth Glider cowbo Spa No689 Thenree Morne Seaat S4C SC lo-beate Aiplono 10100 power Spans 03 3 plan sheets 806933 Meter Scooter SC high porfonnonce Satiplono Spans 110 in2 plon shaets No696 Pole Cat PP P30 Class AMA Senior recard holder Spans 3 No697 Tigerkitteo 0 SC high padonnance Spon Aerohatic oesign P0105/15 Cobalt oloolnic powar Spans 54 Ne 698 Top Cat 96L-t PP RobSar PAl Indoor Stickholds AMA Cat PlO Stiek Nato Racards Spans 13125 12 plan sheets Na 760 Randpe Siren SC ooonowcal cersatile Spon Trainer Ideal 10110 power Weighs 22-co Spans 2540 No701 Janrpin Gee SC high pedorwance Spooster designed tan fly ecents WeIghs 3-lb spans 40 Pot 4045 pooor No702 Helekel HE 18 PP Scate wodel 011924 Gorwan wonoplane Pot HiLine Mini-6 Soared electric wotor Spans2o No703 Cleedhepper SC Gianr Scale SpoOslor rewiniscent 0119305 050th howe-bout Spans 05 n P0190 power 2 plan sheets Ne 705 ZenOll PP Oaod-Lacnoh Glidorforserioasoowpetition Wing OT Spans 10 n. 35-30 grows Na 7884-Gone SC low wng 40-50-powered SpoO Aewbatlo design neniniscentot 1930s Kinnenor Ryan spoc plane Spans 570 No707 S2F Tracker CL Scale twin-049-poeeroo wodel 01 Grawwan design Spans 30 NO788 PGM Trainer PP robber-powered trainer ideal introdaction 900 flying Spans lOin Na 709 Air Cadet 90cr PP ton fler/traner 101020 power Stck-and-tissce wodel reoollocrs Cessna 0rd Dog Spans 30 n Na 710 Oaiakie 360 SC Pyton rocarand Spooflierfornrorwodioio bcilger/tflier Canoe racadwith CLoISO 20 power P00w oog spanods No711 FakOer B-il Type PP 900 Robber-powereo 00100cr 010k wodel Sewiniscent WWI Gerwan tIghter opans 235 Na 7t2 Veinset Bedigo L-9OTP SC Spoc Scale cersion Pinnish Vinke wilitary trainer Qoadra onZenoah power Spans 94 2 plan sheots Ne 713 MiG 29 PP Catapolt Glider Panerned 0001 Rossian plane dewonstrated Cleceland Ohio 1991 Spans t3 0 No714 Mad Sack SC oser-friendly SpaS fliar lot relaoed slow flight Focals low slow waneocew 25-30 power Spans OS 2 plan shea No715 Stephece Acro SC Ouohor-scalo aerobatic plane spans 725 in. oses 75/90 power 2 p00 550015 No716 Siess Paker PP RecorO-senleg Intdoor HLG spans 245 Wood stroctore reinforced carbon Irber No717 Seeticeen 80 CoorhasPleon SC SporSCowbatllierrrow Socala 35cc engine 3-channels spans 475-e No718 Lite Bipe SC Very aerobatic ton-fly bipa design John Honon Spans 065-tn. 30-45 power 20100 sheelsl No719 Aria SC 0104110 portOrwOnoetspoO glider 9O-dine0-drice wotor Poor channels Spans 09 Variable tIap systew 2 plan sheets Na 73oMinatenren PP PrankZacs popularall-balsa-oocened robSer-powered wodeltakenfrow PopolanScience Jone 1941 Spansoo No721 Lii Poller RC wia-wing ton-ny soon plane Polly aenobatic 4-chonnel control Far 40-51 power Spans 40 No722 Laaep M-85f3 PP Ocoblod 70-so-in flow Bostonian design Pot Mini-P wotorand SO wOO bohrOes Spans 1 95-in No 723 Ania 87 CL Dosigned Polanosy PiotrZawade Ada p00000 Intended Shon Aerobarics Prograw P0115 pawor Spans 30/ Na 724 Seorot Weapen SC Gant Scale wid-wing aerosatic ship taken flow originol 1947 Stool design Spans 00-in 2 plan sheets No725 Cerdloal 89 CL Slonter classic OSS lines oniy4 Slant ships ecer awarded 20 appearonco paints Spans 00/c OS power.. No726 Cia-Ak-Dee SC Olecric-powered lighbsaight Cessna look-alike Ion flier POr 035 wotor 0-cell pack Spans 52/4-in 2 plan shoets Na 727 Cartlne XF7C Seaherek CL wotti-porpose bi-winoer Can cowpete both Profile Soala Sacy Corner Spans 32-in Pot 35-40 power.. Ne 738 EleatOs Satellite 450 PP Elelorto cancersion Can So bout 0-cell Class Aol 7-oell Class B Spans 501to-in Por Astroffito 035 CoSalt wtr. Na 729 Tigeroat SC Electrtc 73nn-spon ecciotion TigorKinen Low-wing spoloarrobatlo Cobalt 00 wotor 20 1200 MAn coIls 2 plan shts Na 730 Soappert CL Profile stonIer aased classic 1954 bA Snapper 40/o-inspan widwing 25-35 power No731 Feether Merahaet PP Old-Tiwer PP SC Assist 70 span 129 power Posy totip ecceptionaily wide stall toloranco 2 plan sheets Na 732 Long-Wing Aria Long-otno plan 93 span ARIA SC spod glider Wing plon rerfoires plan 719 1 pran sheet No7331041 Tepiorarett SC qoaner-scale design captores ooigoe flying qoelitiesofthefoll-scalaTayfarcrah 105-inch span 2 pran sheets No734 Snoipe SC Is-scale test wodel 79-inch span 2 plan sheets [v33][b822192911816440]] No73536 Spealel CL 40-powered biplana stool wodel offers scoleilike appoaronce 30-inch span Ne 736 Tern ii PP Ootdoor HLGcowpatitisn 10-inch span 12 oonco weight No737 Penn JN-I 3-channel SC spon design fOr 15 en5ines spans 501/2 nones No738 Mini-wiolMAS PP Robber Scale cersioc toll-size oltraight Span is24 1/ flies 1/0-in nbber 9 375 9 120 9 025 9 375 9 350 9 200 1075 5 050 0 250 $1475 91175 $ 425 $ 000 9 225 9 375 51075 01525 0 200 $ 575 $ 150 S n700 $ 325 $ 375 $ 725 O 200 51975 01150 $ 225 51000 $ 300 $ 575 $ 725 $ 200 91450 9 200 O 000 O 320 $ 150 $ 400 $ 550 $ 200 91500 9 225 $ 900 91375 $ 200 $ 075 $ 000 $ 72S $ 200 0 000 $ 225 $ 400 $1000 91125 $1125 $ 400 $ 725 $1400 $ 050 $1095 $ 475 $1450 SlSSO 400 $ 150 $ 475 $ 150 Full-size plan list available complete listing plans previously published magazine through no 730 may obtained tree charge writing enclose 52 stamped pre-addressed #10 business-size letter envelope Model Aviation 1810 Samuel Morse Dr Reston VA 22090 [v32][b-1-10-1-10]]1 Circle numbers plans wish order boot handlng please sot toode requestsorpdymeot some other ServiCe yogr pans order No phone orders coIl 703 435-0750 order osslstoooe ONLY I 193262310314326332386447539578588598603646I 650654661667674675678679681684686688689692I 696697700701702703705706707708709710711712 713714715716717718719720721722723724725726 727728729730731732733734735736737738739740 Plan price includes first class postage US delivery Air Mail over 300 miles lease Na COD Orders Make check money order payable US funds drawn US bank Model Aviation 0/0 AMA I1810 Samuel Morse Dr1 Reston VA 22090 Please allow 3 6 weeks deliveryI II Please print carefullyEnclosed -$... II NAME_________ _____ AMA No _____-I ____________________________________________________________I STREET__________________________ II ICITY ___-______ _____________-I II STATE_____ __-___ ZIP _______ L orders non-US addresses please add $250 Air Mail postage handling plan CL SpeedlLee Continued page 182 So draw lines want leadouts saw along lines wing tip wing tlPr thin-bladed jigsaw wing three pieces itrs easy carve grind grooves wires best thing Irve found job X-Acto grooving tool use gouge half round mating part wires will fuel proof resin finishing epoxy glue pieces back together Using rubber bands clamps carefully align three pieces maintain airfoil shape Next carve extra room wing tip glue /32 OD brass tubing line guides about inch long reinforce tip lightweight fiberglass make groove wide center line loop clearance bellcrank pivots Running A6 wire through groove before glue sets ensures will clear opening wires Ned Morris likes make wings out balsa plywood core cuts plywood shape wants cuts slots leadouts laminates balsa sheet side instant glue First might want cover table waxed paper dont glue anything special trick required make gluing work plywood really well bonded balsa Ned covers plywood good layer gluenot thin stuff sprays balsa accelerator presses balsa against plywood sets instantly have lined up sure press against nice flat surface Next month Ill try have some test results r-* CL Aerobatics/McMiIIan Continued page 122 Just closing word what sounds like great idea promote youth participation David Narance president Marion Ohio Airfoils writes clubrs third annual Fathers Day Fun Test 1-5 pm June 20 1993 Marion Municipal Air port Youth focus idea have fun participate Features include /2A Stunt Weirdo Stunt event unusual good Looks like great way enjoy Fatherr s Day yourre area Perhaps other clubs might consider similar ideas Next month Ill feature about work George Aldrich does cylinder piston fits because real secret super engines correct running fits Model Aviation
Edition: Model Aviation - 1993/07
Page Numbers: 117, 182, 184
CONTROL LINE SPEED T F YOU ARE CONTEMPLATING Jbuilding new 21 Sport Speed airplane might check out Nick Arpino s new magnesium pan heavy-bodied Rossi engine will easily drop pan minimum metal removal have used Nicks longer Class pan before add metal lumps outside prevent grinding through wall fitting massive crankcase lugs inside found welder magne sium welding rod just piled up metal told him irregular lumps ground shape Dremel tool filed sanded polished rest pan new pan eliminates problem design similar FAI machineturned pansshort ring backso can just saw off top half ring want use half-pan Proper speed props can difficult obtain several suppliers handmade fiberglass fiberglass-carbon fiber handmade props country Europe Australia props expensive unusual scrape up prop landing unless add landing gear Speed jobs Formula 40 have used several new APC propellers inexpensive work Landing Products Company has listened competition fliers well sport fliers produces almost size prop could desire suitable sizes 21 40 9 x 10 65s Just check ad have hobby shop order order direct APC props first came out some flew apart used highoutput competition engines especially Combat engines new props have longer reinforcing fibers keep together fibers glass easy file down want change shape diameter can also change pitch heating prop hot air gun twisting blade dipping cold water hold twist used 65 x 6 props TOP Rossi 21 last fall turned over 142 mphnot bad first flight engine 21 airplane has hatchback-type fuselage similar old Hell Razor designed flown national Class D record George Fong years ago fuselage extends back almost straight line top cowl tail wing protrudes side Since Ive beaten contest typical helmet-cowl-type airplanes started wondering much difference drag between two designs way find out build new airplane compare difference speed using same engine props just got CS 21 engines sol have build airplane too two new airplanes will undoubtedly shock few since P40 airplane built back event started might well use momentous occasion try help few have trouble building speed job new speed ship really quite easy builda lot easier good stunt job carrier airplane wing about hard part usually start like use good basswood 21 airplane needs wing least quarter inch thick center cut wings desired outline typically 19- 20-inch span 3-inch chord center tapered 1/4 inches tips like elliptical shapes too arent much harder make prefer Im convinced planform shape makes difference drag use whatever looks best After cutting shape taper thickness J/ inch wing tip using hand plane and/or belt sander Since need some kind reference shape airfoil draw straight pencil ink line center edges mark leading trailing edges will normally use fully symmetrical airfoil some builders will carve slightly lifting shape part wing usually just few inches center dont need much lift speeds going think symmetrical section should have less drag lifting section Carve airfoil knife wood rasp plane sanding block combination Continued page 182 July1993 117 Ned Morris trophy-winning Formula 40 Ned sandwiches plywood core between balsa sheets strong wings stabs Nick Arpinos magnesium half-pan Landing Products injection-molded provides sturdy lightweight mount nylon reinforced polymer fibers Wally Kruegers Nova Rossi 21 APC props available several sizes Parts authors new 21 Sport Speed model Note method splitting wing allow easy carving leadout slots bellcrank cavity entered key 16 3248 etc 161 winder calculator can operate fast enough can enter 1 count shaft turns directly time last report no good sequence counting number turns backed off Since Tom Kelley member TOPMAC club Topeka Kansas reported solution counters having plus-minus key set count-up sequence before enter constant press plus key count input switch still drives equals key counting down press plus-minus key crank out whatever turns necessary Counter modules Some available commer cial counter modules have used driven same switch modules typically BILL EFFINGER SAYS Only PIann Pattern sets give oor roe assorted designs wOnt hove selecreo best classic designs 01011 tine choose horn pollen tot eoch pod ore impottonr enclusoss feature GIANT 1/3 SCALE CESSNA 170 length sq wing 1440mg spon teo gc 10 engines os 9035-5 $3495 MONOCOUPE 90A log rcingspon92engnt2155V. 55 0 06 oruo o35010 end nes 9035-452995 PIPER TRI-PACER PA-22 1163/g umog spon sq n ng oroo 25to300Deognns 45cnh0 s 9 1g ovetoll length 5035-3 52995 PIPER CUB J-3 11 9 roOd spon nngtn sq oring orb 4 Co 90 5 OlD eng net 50352 95 FAIRCHILD 24 145 orina shon 00 5ClDengnel7bswIohC Sodral & une Vets Ohs 9035-5 $3490 count 1000 times fast necessary counter can show actual turns instead winder turns final step custom electronic coun ters used Stan Chilton Don Slusarczyk Don now uses both electronic counter electronic torque meter fully confident accuracy reliability photo setup Don uses appeared April 93 issue uration/Murphy Continued paqe 114 Rochelle Avenue Irvine CA 927 14-2941 Clubs can order four copies get fifth freea 20% savings Ya gotta git Engines kits Don Belote advises another reproduction engine venture down under now spitting out 25cc Oliver Tiger Mk III originally 1954 vintage Don has obtained specimen says quality excellent turns RevUp 9 x 5 10500 rpm after just few rnns price $125 plus $5 shipping little diesel engines available Andrew Kennedy 79 Hull Rd Croydon Victoria Australia 3136 Should order tell em Gday Duration West-Coasters Bruce Augustus Bill Lynch have front-runners relatively new FAI FlJ event Bill being current AMA national record holder Most event publicity point has mentioned Chinese CS American Shuriken engines power plant sugges tions fellows using relatively unknown commercially available engine Italythe AD 06 icc have yet see up close personal claims lightweight come ready-tofly out box reasonable break-in produce much power other product choices engine available direct Italy $165 Mario Rocca 44020 Rovereto Ferrarese Italy stateside Bill Lynch replaces head Nelson plug conversion $23750 complete assembly Bills address 11137 Creekhaven Court Auburn CA 95602 might wish send initial inquiry correct pricing before 1/4 SCALE WORLD WAR SCALE GOLDEN AGE ALBATROS DNA 99 oring span /9 length sqirt oring oreo 3Gb engines 4ch 90 121559C9S17 02495 SE-5A 95 1/2 orihg span sq nor og otess 795022 engines 9090-752495 SPAD C-XIII 791 4orngsponSl20sqinoring osess o 3 1 engines 9095 002795 FOKKER DR-i TRIPLANE 72 oring soon sq wing alec 7970 1 00 engines 0090-6$2495 SOPWITH CAMEL P1 94 oring shah sq ih oring e 11 los or/oRe rooo & 9010 Construcrlon 9095-115249U FOKKER D-VII 9g orrog span sq wing e 9btosoolbenglnes nP /095-5S2495 NIBUPORT 28 951/2 oring span 1595 sq g otess -78 23 OlD engines -40990-11101 9090-952495 order since pricing subject abrupt change occasion Lee Campbell recently cranked out other 020-sized kit offering Nostalgia Gas scene Taibi Spacer 80% original /oA sizethat figgers about 160 square inches wing area price $2198 plus $4 shipping should able find through hobby dealer handles Campbells Custom Kit products goodies soon come sez Lee kits much better jokes Try Paul Bunyan Beerits Lager Terrible Anyway mailing address 401 Execu tive Center Drive Suite H-108 West Palm Beach FL 33401 Tel 407 686-7824 Roger Coleman business manager United States Free Flight Championships USFFC wrote point out error concerning Womens High Time winner 93 contest Junior B Gas flier Katrina Duncan took honors didnt receive proper recognition Belated congratulations Well guess aint no month See ya downwind 4CL Speed/Lee Continued page 117 suits Periodically check make sure arent building twist warp can check looking trailing edge centering pencil line Any warp should readily visible Use same technique leading edge Finish rough sanding block until edges about /32 thick Leave final sanding until after assembly step bothers prospective speed fliers next cutting grooves leadouts Some builders rout carve stepped slot bottom wing first narrow groove deep wider groove shallow glue thin strip wood cover narrow deep groove time tried technique ended up warped wing after glue dried Continued page 184 AERONCA C-3 CURTISSHAWK PlC IISOCALS 94 .144 oring span sq song area 79to22 1 2 oring span 69 lengrn2269OlD engines 9 RO bs or/a 90 setnooable sq nor ng aea 023 engines 'oring panels 9035-7$2990 4 cn 5090-14 $2498 CURTISS FALCON O1B/A3 114 oringspon93 engfh3laOsqin oring asea 0 5 engines WACO D 1930S COMMERCIAL & Military Expost1/h SCALE 99 orog span oring area /2 lengtn 72 oring span sq oring atea 191045 OlD 12 lbs 23 enginesengines 500 s or/aRC e OlatO-Y foil Section a Pywood tetnooable engine unit oring P065-7 $1490 Shock Mounted Landing Gear Floerglass Cool Wnee Ponts &. halting Ava label 1/6 SCALE CESSNA 170 9065-5$1490 FAIRCHILD 24- 723/4 wing span 65 end nes 9055-6$1490 Ptioe ate los complete plane sub assesnoly & detaIled parts lists PLEASE ADO $300 shipping Insailing tssbel New PIOn Sets boohae $100 W E TECHNICAL SERVICES P 0 Box 0246 Island GA 31561-0246 182 Model Aviation Trader Classifieds Buy/Sell/Trade Newsletter National Coverage Fast Circulation Call Write yourr- PO Box 145 FREE Sample CopyBig Lake MN 55309 Ad Coupon612 295-7021 739Jouster$ 1475 RC Sailplane has looks performance 122-inch span includes full construction text 3 plan sheets 740Humbug$ 725 CL Nostalgia Stunt Updated version 1966 Netzeband design has 561/3-inch span No 193 StIletto CL Stool wodel McDonald winner 1976 1980 1902 FAt Wood Chawps No262 Creshtrreetor CL crash-proof trainer Two sizes15-30 30145 power No3101930 Fleet BIplane SC Spon Scale 35-40 p awar 4-channel Spano SOlo ocale 2 p1 Na 314 Greke lit 90 Ken Willard 5 SpinS hoot 3-chennel 15 power Ply flow lend rawocable 500 Na 326Tepier Cab SC Don Orcils Schoolyard Scale 049 power 2-Scoannel Spans 55 Ne 332 Zephyr 50 swell 2-channe Glider hand-leonch tow thorwol slope soering Ne 386 Leeer 200 90 Span Scale roplca chalopionship Aerohafic flier P0140 power 4-S channel Ne 447 112A Mien Anserleat SC Old Tiwer toO Tooaco wodel 049 glow 2 channelo No 538 0109 Sioss-Metion 1 5 OCTaillessflpingwn9101 15 power SpanoOS in. 2 channel No 578 Sahoneleer 1-26B SC Qoaner-scale Sailplane Spans 125 2 plan sheets Ne 561 Gee Ben ModelS PC Goden Age Racar Spans 72-in scale 10100 power 3 plan cheats Na 088 Merteb SC Slopo-Sooring Sailplane Spano 41 in. 2 SC channels Na 598 Coronet 156 AC-Assist Std-Tiweranlorged n55% Spans7O n P0140- 4slroke/35-2-stroka. Na 603 Sparrow Henak P30 PF Cowpelilion robher-powar plane wan 1907 Nato Spans 35 Ne 646 Winter i-tense FP Robeer-powor Cooped Hicer calopalican plane Spans 47 No9604718880 Speolel 90 Aerobatic spoo plane 10140 powar Spans Olin an sheets Na 604 Teoleoat SC Trainar/Sporlster styled aher P14 Spans 00 FOr 40/01 power 4 plan shoe Ne 661 Erebry-Oreetlo PP Ewbryo Onooronce toSser power plane Spans 2050 No667 AT-Ot CL Sawiscale profile Stcoter 35/40 power Spans 47 No678 Bean Boet PP West Coast Bostonian Ootdoordesign Spans lOin Na 679 Big Bingat Large SC Sponster spans 05 P01120-24 power 2 plan shaets 11889 Bede BOO PP Robber Scale wode spans 105 No684 Steggerwing Beesh 2-Channel SC Schoolyand-Soeie Si-wing Sponster P01049 power Spans No686 Falter SC Panern-typo spoc plane P012-or 4-poole power Spans 05 80688 stealth Gilder PP rabberSand-loanched foowWabca Canard CatapolOSteolth Glider cowbo Spa No689 Thenree Morne Seaat S4C SC lo-beate Aiplono 10100 power Spans 03 3 plan sheets 806933 Meter Scooter SC high porfonnonce Satiplono Spans 110 in2 plon shaets No696 Pole Cat PP P30 Class AMA Senior recard holder Spans 3 No697 Tigerkitteo 0 SC high padonnance Spon Aerohatic oesign P0105/15 Cobalt oloolnic powar Spans 54 Ne 698 Top Cat 96L-t PP RobSar PAl Indoor Stickholds AMA Cat PlO Stiek Nato Racards Spans 13125 12 plan sheets Na 760 Randpe Siren SC ooonowcal cersatile Spon Trainer Ideal 10110 power Weighs 22-co Spans 2540 No701 Janrpin Gee SC high pedorwance Spooster designed tan fly ecents WeIghs 3-lb spans 40 Pot 4045 pooor No702 Helekel HE 18 PP Scate wodel 011924 Gorwan wonoplane Pot HiLine Mini-6 Soared electric wotor Spans2o No703 Cleedhepper SC Gianr Scale SpoOslor rewiniscent 0119305 050th howe-bout Spans 05 n P0190 power 2 plan sheets Ne 705 ZenOll PP Oaod-Lacnoh Glidorforserioasoowpetition Wing OT Spans 10 n. 35-30 grows Na 7884-Gone SC low wng 40-50-powered SpoO Aewbatlo design neniniscentot 1930s Kinnenor Ryan spoc plane Spans 570 No707 S2F Tracker CL Scale twin-049-poeeroo wodel 01 Grawwan design Spans 30 NO788 PGM Trainer PP robber-powered trainer ideal introdaction 900 flying Spans lOin Na 709 Air Cadet 90cr PP ton fler/traner 101020 power Stck-and-tissce wodel reoollocrs Cessna 0rd Dog Spans 30 n Na 710 Oaiakie 360 SC Pyton rocarand Spooflierfornrorwodioio bcilger/tflier Canoe racadwith CLoISO 20 power P00w oog spanods No711 FakOer B-il Type PP 900 Robber-powereo 00100cr 010k wodel Sewiniscent WWI Gerwan tIghter opans 235 Na 7t2 Veinset Bedigo L-9OTP SC Spoc Scale cersion Pinnish Vinke wilitary trainer Qoadra onZenoah power Spans 94 2 plan sheots Ne 713 MiG 29 PP Catapolt Glider Panerned 0001 Rossian plane dewonstrated Cleceland Ohio 1991 Spans t3 0 No714 Mad Sack SC oser-friendly SpaS fliar lot relaoed slow flight Focals low slow waneocew 25-30 power Spans OS 2 plan shea No715 Stephece Acro SC Ouohor-scalo aerobatic plane spans 725 in. oses 75/90 power 2 p00 550015 No716 Siess Paker PP RecorO-senleg Intdoor HLG spans 245 Wood stroctore reinforced carbon Irber No717 Seeticeen 80 CoorhasPleon SC SporSCowbatllierrrow Socala 35cc engine 3-channels spans 475-e No718 Lite Bipe SC Very aerobatic ton-fly bipa design John Honon Spans 065-tn. 30-45 power 20100 sheelsl No719 Aria SC 0104110 portOrwOnoetspoO glider 9O-dine0-drice wotor Poor channels Spans 09 Variable tIap systew 2 plan sheets Na 73oMinatenren PP PrankZacs popularall-balsa-oocened robSer-powered wodeltakenfrow PopolanScience Jone 1941 Spansoo No721 Lii Poller RC wia-wing ton-ny soon plane Polly aenobatic 4-chonnel control Far 40-51 power Spans 40 No722 Laaep M-85f3 PP Ocoblod 70-so-in flow Bostonian design Pot Mini-P wotorand SO wOO bohrOes Spans 1 95-in No 723 Ania 87 CL Dosigned Polanosy PiotrZawade Ada p00000 Intended Shon Aerobarics Prograw P0115 pawor Spans 30/ Na 724 Seorot Weapen SC Gant Scale wid-wing aerosatic ship taken flow originol 1947 Stool design Spans 00-in 2 plan sheets No725 Cerdloal 89 CL Slonter classic OSS lines oniy4 Slant ships ecer awarded 20 appearonco paints Spans 00/c OS power.. No726 Cia-Ak-Dee SC Olecric-powered lighbsaight Cessna look-alike Ion flier POr 035 wotor 0-cell pack Spans 52/4-in 2 plan shoets Na 727 Cartlne XF7C Seaherek CL wotti-porpose bi-winoer Can cowpete both Profile Soala Sacy Corner Spans 32-in Pot 35-40 power.. Ne 738 EleatOs Satellite 450 PP Elelorto cancersion Can So bout 0-cell Class Aol 7-oell Class B Spans 501to-in Por Astroffito 035 CoSalt wtr. Na 729 Tigeroat SC Electrtc 73nn-spon ecciotion TigorKinen Low-wing spoloarrobatlo Cobalt 00 wotor 20 1200 MAn coIls 2 plan shts Na 730 Soappert CL Profile stonIer aased classic 1954 bA Snapper 40/o-inspan widwing 25-35 power No731 Feether Merahaet PP Old-Tiwer PP SC Assist 70 span 129 power Posy totip ecceptionaily wide stall toloranco 2 plan sheets Na 732 Long-Wing Aria Long-otno plan 93 span ARIA SC spod glider Wing plon rerfoires plan 719 1 pran sheet No7331041 Tepiorarett SC qoaner-scale design captores ooigoe flying qoelitiesofthefoll-scalaTayfarcrah 105-inch span 2 pran sheets No734 Snoipe SC Is-scale test wodel 79-inch span 2 plan sheets [v33][b822192911816440]] No73536 Spealel CL 40-powered biplana stool wodel offers scoleilike appoaronce 30-inch span Ne 736 Tern ii PP Ootdoor HLGcowpatitisn 10-inch span 12 oonco weight No737 Penn JN-I 3-channel SC spon design fOr 15 en5ines spans 501/2 nones No738 Mini-wiolMAS PP Robber Scale cersioc toll-size oltraight Span is24 1/ flies 1/0-in nbber 9 375 9 120 9 025 9 375 9 350 9 200 1075 5 050 0 250 $1475 91175 $ 425 $ 000 9 225 9 375 51075 01525 0 200 $ 575 $ 150 S n700 $ 325 $ 375 $ 725 O 200 51975 01150 $ 225 51000 $ 300 $ 575 $ 725 $ 200 91450 9 200 O 000 O 320 $ 150 $ 400 $ 550 $ 200 91500 9 225 $ 900 91375 $ 200 $ 075 $ 000 $ 72S $ 200 0 000 $ 225 $ 400 $1000 91125 $1125 $ 400 $ 725 $1400 $ 050 $1095 $ 475 $1450 SlSSO 400 $ 150 $ 475 $ 150 Full-size plan list available complete listing plans previously published magazine through no 730 may obtained tree charge writing enclose 52 stamped pre-addressed #10 business-size letter envelope Model Aviation 1810 Samuel Morse Dr Reston VA 22090 [v32][b-1-10-1-10]]1 Circle numbers plans wish order boot handlng please sot toode requestsorpdymeot some other ServiCe yogr pans order No phone orders coIl 703 435-0750 order osslstoooe ONLY I 193262310314326332386447539578588598603646I 650654661667674675678679681684686688689692I 696697700701702703705706707708709710711712 713714715716717718719720721722723724725726 727728729730731732733734735736737738739740 Plan price includes first class postage US delivery Air Mail over 300 miles lease Na COD Orders Make check money order payable US funds drawn US bank Model Aviation 0/0 AMA I1810 Samuel Morse Dr1 Reston VA 22090 Please allow 3 6 weeks deliveryI II Please print carefullyEnclosed -$... II NAME_________ _____ AMA No _____-I ____________________________________________________________I STREET__________________________ II ICITY ___-______ _____________-I II STATE_____ __-___ ZIP _______ L orders non-US addresses please add $250 Air Mail postage handling plan CL SpeedlLee Continued page 182 So draw lines want leadouts saw along lines wing tip wing tlPr thin-bladed jigsaw wing three pieces itrs easy carve grind grooves wires best thing Irve found job X-Acto grooving tool use gouge half round mating part wires will fuel proof resin finishing epoxy glue pieces back together Using rubber bands clamps carefully align three pieces maintain airfoil shape Next carve extra room wing tip glue /32 OD brass tubing line guides about inch long reinforce tip lightweight fiberglass make groove wide center line loop clearance bellcrank pivots Running A6 wire through groove before glue sets ensures will clear opening wires Ned Morris likes make wings out balsa plywood core cuts plywood shape wants cuts slots leadouts laminates balsa sheet side instant glue First might want cover table waxed paper dont glue anything special trick required make gluing work plywood really well bonded balsa Ned covers plywood good layer gluenot thin stuff sprays balsa accelerator presses balsa against plywood sets instantly have lined up sure press against nice flat surface Next month Ill try have some test results r-* CL Aerobatics/McMiIIan Continued page 122 Just closing word what sounds like great idea promote youth participation David Narance president Marion Ohio Airfoils writes clubrs third annual Fathers Day Fun Test 1-5 pm June 20 1993 Marion Municipal Air port Youth focus idea have fun participate Features include /2A Stunt Weirdo Stunt event unusual good Looks like great way enjoy Fatherr s Day yourre area Perhaps other clubs might consider similar ideas Next month Ill feature about work George Aldrich does cylinder piston fits because real secret super engines correct running fits Model Aviation