WHO NEEDS Speed Speed dying out cares anyway Its too dangerous get rid arent enough Speed fliers left bother Such comments regularly heard non-Speed fliers RC fliers some AMA potentates thought Id dream up few items might show benefits special mania has such hold some us Lets start going back what call golden age modelingthe 1950s couple thousand entries Nats Free Flight dominant racing Speed other CL events well attended Scale Indoor drew pretty good numbers RC still its infancy Speed event attracted 50 en trants Most used heavy solid engines like McCoys Doolings few home builts thrown ina big change lowpowered lightweight sleeve-bearing power plants typically used other events couple young guys Bill Wisniewski Tommy Baker setting records B classes K&B Greenhead engines George Moir showed us hop up Fox 29 soon Duke Fox came Out Fox 29X bathtub-sized 29R miss some dates dont get soreIm rolling back quite few years Since didnt get Speed Forties engines such Ball Triumph Hornet Ill have begin capsule history around 1950 incoming charge cylinder Among few exceptions OK Cubs Cox 1962 Jaures Garofali obtained US patent No 3038457 cylinders two-stroke en gines cylinders flat piston eliminate hot spots excess weight perfect hemispher ical head converging laminar flow intake ports minimize mixing incoming fresh gases exhaust gases Equipped ad vanced cylinders Garofalis SuperTigre engines rapidly became choice competitors Speed racing Combat Free Flight late 1963 early following year Bill Wisniewski took ride hot little Japanese motorbike wanted find out such small engine could produce much power Bill got answer used good effect first multibypass Schnuerle-ported model air plane engine Bill became first FAI Speed World Cham pion 1964 topping out bar stock 15 141 mph also made few sand-cast crankcase ver sions drove 139 mph third place sand-cast engines called Warts cause lumps covered bypass nice collectors items today Two years later having added tuned pipe bar stock engine Bill defended world title 161 mph worked long hard get practicable combination pipe fuel system dolly Roger Theobald Arnie Nelson helped test running flying K&B TWA enContinued page 118 Around 1960 Bill Wisniewski joined K&B Mfg Co staff full-time designed K&B Series 61 engines 15 29 35 sizes engines among first use space age technology electrolyzed piston very thin chrome alloy coating applied piston sputtering vacuum chamber problem Series 61 engines came apparent used mild steel piston coefficient thermal expansion wasnt matched sleeve Later improved versions using heat-treated alloy nickel cast irn piston found run quite well ip Speed Since heavy cast iron pistons caused too mui vibration engine larger 35 ringed aluminum type still worked best 49s 60s Some us tried various versions solid rings other built-up pistons dis appointing results Control Liners Free Flighters happily running Foxes Johnsons K&Bs RC crowd trying kinds throttle setups quest reliable idling larger popular engines loopscavenged baffle across piston deflected May 1991 49 Confrol Line Speed Glenn Lee 819 Mandrake Batavia IL 60510 Raul Diaz North Bergen NJ holds pan golly its going go time Santo Formula 40 fitted Henry Nelsons Rizzoto Fall River MA puts new plug new engine Featuring one-piece crank- Class job Dayton Ohio Cold case AAC sleeve piston massive in- Cash Speed Bash Santos models use V take opening F-40s show great prom- stabs bent glued together Il~ ise Raul flies FAI Speed other classes greater thickness depending class Talk about Nostalgia Speed copy Bill Wlsnlewskis early Pink Lady Glenns second Speed job built about 1950 Using Mccoy Sportsman 19 fluorescent pink model topped out 102 mph Fuselage turned pine fuel tank penny balloon Glenn still experimenting different propellers 21 Sport Speed model swept blade version has bit too much blade area Itll thinned down tried again summer PRECISION MODEL PRODUCTS fZZIIj Made U S BARSTOCK ALUMINUM SPINNERS Pan NoSize TT-150-B .. 1-1/2 11-175-B .. 1-314 11-200-B 11-225-B .. 2-1/4 11226-B .. 2-114 FAI . 11-250-B .. 2-1/2 11-251-B . 2FAI .. 11-275-B .. 2-3/4 11-276-B 3/4 FAt .. 11-300-B3 11-301-B3 FAt 11-325-B3-114 11-350-B.3-112 . 11-375-B.3-3/4 11-400-B4 RetailApprax PriceWeight $1395058 oz 1495095 ox 1595100 oz 1695160 oz 1895150 ez 1895190 oz 2095170 oz 2295220 oz 2495200 ox 2695260 oz 2895250 oz 3695340 oz 4995470 oz 5995520 oz 6995570 oz 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available tn Stzes Add 53 00 Per Sptnner PROP NUT ADAPTORS Pan NoSize TT-140-A 114-28 11-147-A 1/4-28/7mm 11-610-A6x 10mm TT-710-A 0mm IT-SiB-A -24 TI-SiB-A5/16-24/8mm 11-810-AOx 1 0mm TT-825-AOx 1 25mm TT-375-A3/8-24 11-125-AlOx 125mm Retail Approx Price Weight $4 95 oz 495061 oz 495 . 063 az 495 082oz 495076oz 495076oz 495076oz 495 075 ez 595117 oz 595llSoz 3 Pieces Nut Washer arul Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 CL Speed/Lee Continued page 49 gines resutted dominate FAI Speed next several years us Speed fliers constantty trying improve engines make go faster extend lifetime maximize relia bility tried pack ideasodd head shapes odd porting arrangements chrome- gold- silver-plated pistons sleeves chromeplated piston runs very well silver-plated sleeve Most experiments however less successful About time Garofali received letter good friend Dick Hall rocket engineer fellow Speed flier Athens Alabama Hall urged Garofali try new aluminum alloy called Vanasil pistons Vanasil contains approxi mately 22 percent silicon has nearly same coefficient thermal expansion cast iron sleeve course chrome plated pre vent galling believe Harry Roe Centerville Ohio saidIf youre going chrome plate might well make out brass opinion combination Vanasil pis tons chrome-plated sleeve important developments ever small en gine design matched thennal expansion tween sleeve piston resulted greater life time greater performance reduced break-in time use lapped-piston 65 engines speeds Class D jumped about 30 mph Tuned pipes brought lot power too parts bigger engines just couldnt take stresswe blew up awful lot What am getting reminiscence Well just take look top RC en gines available todaythe high speed long-life ball bearings Schnuerle porting squish-band combustion chambers ABC AAC sleeves pistons some pistons Dykes rings strong rigid crankcases metallurgy gives hun dreds hours top performance fea tures RC fliers take granted result thinking experimenting part few Control Line Speed fliers COMPUTERIZED fPCPAFT PLOTS Technical iistrations Suite Framing Scde ting crid Scoiting 3 Views D-TECOI SYSTEMS Ten years after Bill Wisniewski pioneered Speed engine Schnuerle porting tried RC engine took RC world about 20 years discover well tuned pipes work Few modelers today aware debt owe Speed flying finished yet Though us graying around temples ranks thin ning Out Speed guys still have few things tryceramic bearings metal matrix materials name few 118 Model Aviation THE WIREMASTERTM ndnr/coi1er 4 different models otwire bending tools offer Also available Alloy Stainless Aluminum Metric hardware Checkyour dealer first un available send business size SASE free catalog JCM COMPANY 114 Washington Terr. 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