Model Builder April 1981
Total Page:16
File Type:pdf, Size:1020Kb
volume 11, number 111 S2.50 APRIL 1981 ICO 08545 Radios That Expand Your When you're flying, there’s no Capacities. compromise for control. And when you're flying with a Kraft, you're in We'd like to introduce you to two control. radios that you’ll be able to appreciate tor a lifetime of radio Kraft radios. Good old yankee control flying. Radios that expand ingenuity. Distinguished by their your capabilities, not limit them. versatility. See these fine flight The Kraft KP5X and KP6C. instruments at your favorite hobby dealer today. Meticulously Engineered. Kraft Systems, Inc. The purchase of a radio is an 450 West California Avenue important investment. Kraft PO Box 1268 engineers understand this. So they Vista, California 92083 created two radios that can be enjoyed by the beginner as well as the experienced competition flyer. Just right to start with, and plenty of radio to grow into, without ever growing out of. Meticulously engineered. Investments of the highest quality. 7 Choices OP FUELS Each is formulated to meet the specific needs of model planes, cars & boats! ONLY K&B OFFERS SUCH A WIDE RANGE OF FUELS Model Engine Fuel with X2C Oil K&B 100+ K&B 500 K&B 1000+ K&B SUPER SPEED For Free Flight, U-Control The most respected fuel in Year Around maximum per- As the name implies. Our and Radio Control Flying R/C flying. formance. For all ViA engines super hot fuel. Most popular fuel in R/C Boat Racing. K&B100 K&B 1000 Model Engine Fuel For Free Flight U-Control For VžA Engines A popular K&B F.A. I. with Castor Oil and Radio Control Flying fuel for Ve Scale R/C Car Formulated to meet FA I. Racing. rules... No Nitro. and the Best in GLOW PLUGS KB-1L & KB-1S K&B GLOW PLUB KB· 1L (long reach) and the KB-1$ with Idle Bar (long reach and (short reach). Specially developed short reach) For controlled engine platinum alloy element makes speed. from a low idle up to a these plugs superior to other plugs constant maximum. For R/C. Car K&B MANUFACTURING . will withstand the terrific heat rier, and Scale Flying. of the hottest fuel. 12152 WOODRUFF AVE., DOWNEY, CA. 90241 APRIL 1981 1 APRIL „ MODEL 1981 BUILDER volume 11, number 111 Box 335, 621 West Nineteenth St., Costa Mesa, California 92627 Phone: (714) 645-8830 STAFF CONTENTS P U B LIS H E R Walter L. Schroder FEATURES E D ITO R W m. C. Northrop, |r. WORKBENCH, Bill Northrop .......................... 6 GENERAL MANAGER OVER THE COUNTER, Bill Northrop 7 Walter L. Schroder PASADENA, 1981 IMS SHOW, Larry Rengor. |ohn Elliot 10 ASSISTANT EDITOR John Elliot FUEL LINES, |o c K la u s e ......................................................................... 16 ASSISTANT GENERAL MANAGER THORNBURG AT LARGE, Dave Thornburg 22 Anita Northrop HOW TO FLY PATTERN, Dick Hanson 24 ART DEPARTMENT Al Patterson “ 1 TO 1” R/C SCALE, Bob Underwood ................................... 25 WORLD WAR I AEROPLANES, Leonard Opdycke 26 OFFICE STAFF R/C POWER BOATS, lerry Dunlap 30 Mary Ann Bell Edie Downs CHOPPER CHATTER, lason Wolfson .. 32 Debbee Holobaugh PLUG SPARKS, |o h n Pond ............. 33 A. Valcarsel R/C AUTO NEWS, Dan Rutherford ............................................ 40 CONTRIBUTING EDITORS R/C SOARING, D r. Larry F o g e l....................................................... 42 Dave Brown Mitch Poling Jerry Dunlap John Pond FREE FLIGHT SCALE, F e rna ndo R a m o s ................................... 46 Larry Fogel Fernando Ramos J im Gager Larry Renger CONTROL LINE, Dan Rutherford ................................................ 48 Bill Hannan Dan Rutherford HANNAN’S HANGAR, Bill Hannan ..................................... 50 Dick Hanson Dave Thornburg Tom Hutchinson John Tucker FREE FLIGHT, Tom H u tc h in s o n ....................................................... 54 Joe Klause Bob Underwood Walt Mooney SIERRA CUP, 1980, R eid Sim pson ............................. 57 IN D O O R , Ken Johnson.................................................. 60 ADVERTISING MANAGER Walter L. Schroder SCALE VIEWS R /C M O D E L BUILDER (ISSN 0194 7079) is published m onthly by RCMB INC . Box 335. BOEING P-12E, Peter Westburg 28 621 W est N in e te e n th S treet. Costa M esa. California 92627. Phone (714) 645-8830. Subscriptions $25.00 per year, $47.00 for two CONSTRUCTION years. Single copies $2.50. Add $3.50 per year for postage outside the U.S. (except M EGOW 50" STINSON 105, Collector Plan ... 10 APO and FPO). NORTH STAR, Kalevi S u n d q u is l................................................... ............... 18 Copyright 1981 by RCMB INC. All rights reserved. Reproduction without permission LE POU DU CIEL-OLD TIMER, Ken Ham ilton ......................................................... 37 prohibited. PEANUT BD-8, W all M o o n e y ...................................................................................................51 Change of address notices must be received six weeks before date of issue that new address takes effect. Send old address with new; old label preferred. Post Office will Covet Mitch Polmq, RCMB's "Electric Power" columnist, test flymq his indoor electric not forward copies unless you pay extra R C scale Sopwith Tabloid before the openinq of the IMS Pasadena Model Trade Show, postage. Duplicate issues cannot be sent. Saturday. January 10. 1981. Models could not weiqh over 24 ounces and could not ex ceed a wmq loadinq of 3 oz. per squate foot The Sopwith is powered by an Astro 020 Second class postage paid at Costa Mesa. motor with belt reduction drive and is controlled by a Cannon ladio. Larry Renqei pic. California, and additional offices. 2 R/C MODEL BUILDER Authentic 1 Scale BYRON VY ORIGINALS A Milestone in Mode» Engineering After years of intensive research, testing and appreciate this superb kit, we are offering a refinements, Byron Originals proudly an detailed information pack, complete with nounces the release of its truly remarkable materials list, owners manual, parts price 115 scale P-51 Mustang. This deluxe, super sheet and a miniaturized set of assembly scale kit, complete with factory installed plans and isometric drawings. Simply send Quadra engine and prop reduction system, is us $2.00 along with your name and address unquestionably the most sophisticated and and we’ll forward your pack immediately. realistic scale reproduction ever made of this Once you review it, you'll understand why famous WW II fighter. The list of standard the P-51 from Byron Originals is being features and assorted hardware alone is far heralded as the greatest engineering too extensive to attempt even a partial achievement in modeling history. description. So in order for you to better COMPLETE KIT CONCEPT! WF SPECIFICATONS 'A W IN G S P A N .... 8 5 ” Kit includes detailed fiberglass fuselage, injection m olded JF WING AREA. 1300 sq In wings and control surfaces and all necessary h a rd w a re LENGTH ..............................7 6 ” to complete model as shown. Four deluxe decal V Ready to-fly w eight.. 22 V> Ibs. schemas, three view and detailed plans and is o m e tric C H A N N E LS ..................................... 4 drawings also included. NO TE: Pilot, paint, covering (6 for flaps 8r opt. retracts) material and radio gear not included. Actual photo ot model bn final w ith operational 4 1 Maim and scale »»»tructs irxttm d m q Optional Pneumatic I ύ Μ Retract System! I (Includes all necessary f hardware) Complete Power α β · · · · ν — Sequencing gear & wheel doors Package -Operational scale Oleo struts Included in Kit! P -51 K it Scale tires & wheels I Suggested Retail Value - S in g le servo actuation Consists of: Mail Order P rice ............ I Fully illustrated in plans) — Complete drive unit & mounting plus $ 13 00 8h*pp*ny — Scale 24x15 four-bladed prop Retract System — Qu a d ra 's latest Schnuerle ported engine A Suggested Retail Value $169.94 — SYi" spinner M Mail Order Price ...............$ 135.95 J m plut 52 65 stepping ^ Æ ’# ► FOR IMMEDIATE DELIVERY, YOUR m ^^jJkDEALER OR ORDER DIRECT' C Credit card customers >rder by phone: (71 2) 364 31 65. Master Charge and VISA welcome. No C.O.D.s! » BYRON ORIGINÁL^-P 0. Box 279, Ida Grove, la. 51445 (712) 364-3165, Telex: 439012 the look and feel of fabric in the MonoKote tradition Top Flite’s new iron-on FabriKote™ is superior • Great for solid wood and open frame to any other fabric covering! This material is structures · Available in Red, Orange, applied at regular MonoKote™ temperatures. Antique, Yellow, White, Dark Blue FabriKote goes on easier, has terrific shrink, FabriKote does not sag and gives an excellent finish. The Size Regular Lite torsional strength obtained from the non- 4 8 ” X 3 ’ $ 1 0 . 5 0 $ 8 . 7 5 directional weave is far superior to any fabric 4 8 " X 1 2 ’ $ 4 2 . 0 0 $ 3 5 . 0 0 covering available today. In the tradition of MonoKote . Top Hite's FabriKote has “gotcha covered." • Lighter than Coverite · Unique, non- Magnified photo showing FabriKote’s woven fibres. directional shrinking properties add 25% more torsional and bending strength · Requires no TOP FLITE doping · Applies at low heat · Solvent Top Flite Models, Inc. resistant · Fuel, moisture and fade proof 1901 N. Narragansett Ave. • Paintable · Ideal for sport and scale aircraft Chicago, Illinois 60639 For a free sample of MonoKote™ and FabriKote™ plus our latest catalog and prop chart, send request with 50 cents to Top Flite. GET INTO THE AIR FAST WITH A KWIK-BILT KIT! Sig's Time-Saving. Patented "Kwik-Bilt" System Pioneered A Revolutionary Method Of Fuselage Construction. The Internal Balsa Profile Carries The Load Of The Engine And The Flight Surfaces. Protecting The Molded Plastic Fuselage Shell From Vibration And Fatigue.