Radio Control SPORT AEROBA TICS Ron Van Putte CONSTRUCTION TIPS has heavy buiding period few building suggestions came out experi ences should general interest first resulted construction project involving Quickie 500 Sport Racing event members club started d cided would good idea requ e steerable tail wheel airplanes im prove ground handling safety Un fortunately airplane Radio Models Spickler Quickie 500 doesnt feature tail wheel fact installation tail wheel otherwise unmodified airplane would have resulted tail wheel axis passing through horizontal tail way rudder decided slide vertical fin back hinge line rudder lined up end fuselage installed two Du-Bro No 124 Horn Wire Bearings end fuselage just enough space between insert 3A2-in wheel col lar Another Y32-in wheel collar serted below lower horn wire bearing piece 3/3-in music wire passing through collars bearings continuing through small notch leading edge elevator up rudder wheel collars secured filed notches music wire Vertical loads tail wheel transferred aft fuselage wheel collars pressing against horn wire bearings protected rudder two problems solve first connect rudder/tail wheel combination did drillng other hole upper wheel collar using mount control arm took out set screw wheel collar used hole guide 2-in drill drilled through opposite wall threaded new hole 4-40 tap same thread existing hole set screw 4-40 screw head removed soldered newly threaded hole Du-Bro No 103 Strip Aileron Horn twisted screw Now nice con trol arm attaching rudder pushrod could have put 900 bend music 48 Model Aviation Eglin Aero Modelers static flying demonstrations recent Eglin AFB open house big success flew immediately after USAF Thunderbirds background flight demo An Open House demonstration nearby military installation great way promote pub lic relations make contact prospective club members Would like get neat no-frayed-edges installation next time fiberglass wing center section Ron tells secret months column wire top inserted stub used permanent marker draw rudder would make rudder/tail exactly wanted edges fi wheel installation permanent require berglass wing tracing around taking rudder off tail wheel as- fuselage took wing off sembly maintenance Thanks suggestion marked other side wing Ed Moorman AMA District V Associ- wanted edges cloth ate Vice-President drilled 2-in hole fiberglass cloth temporarily attached 2-in wheel collar 900 existing wing using small pieces masking tape set screw hole soldered short piece used same permanent marker 3A-in music wire wheel collar trace desired lines fiberglass cloth stub music wire inserted rud der wheel collar visible after Id installed rudder wheel collar/wire stub glued place pushed 3A2-in music wire tail wheel up through rudder-mounted wheel collar tightened set screw filed notch music wire Now want remove tail wheel assembly loosen set screws wheel collars pull assembly out disturbing rudder Neat simple strong can refer picture help clear up confusion Theres always construction job hated application fi berglass cloth wing center section 1 usually work raw fiberglass rather sfished widths because fuselage sizes shapes almost always different However means fiberglass has cut Id never able manage ending up frayed edges cloth frustration part got idea put wing fuselage can see lines through heav iest fiberglass cloth fiberglass cloth removed wing smoothed out waxed paper came idea took some Goldberg Jet went along lines fiberglass cloth Jet cured took some old scissors cut fiberglass cloth along lines edges beautifully clean no Continued page 152 rat NORTHERN CALIFORNIAS LARGESTN DISCOUNT HOBBY SHOPI Kwell FUELyou New high film strength lubricant H increased power engine life Highest qualily naredients I II II II II II II II U5EYOURI IHOURS Monday thru weonesaoy Y3U-O3U Thursday 930-800I Lm..rnum Saturday90600Sunday 1200-500 September 1983 49 Heres neat tail wheel/rudder installation Rons Spickler Quickee 500 span racer Ron has say about column 4-STROKE ENGINE SALE COMPARE & SAVE OSFS4O.. 8950 OS ES 60 12500 OS FS75 14500 OS FS 120T 34900 ENYA4O-4C12950 ENYA6O-4C14950 ENYA9O-4C18950 6AITO 30 8450 SAITO 40-Il 9950 SAITO45 10950 SAITO 90T 29950 TERMS Prepaid check money order Include $250 UPS street address Calif residents add 60/o sales tax No credit cards please Allow 2 weeks delivery REDWOOD hobby Imports PO BOX 6171 SANTA ROSA CALIF 95401 Subject stock hand CAP 21* Flown M les Reed air show IMAA Nat onals Ida Grove IA 88wing span 1232 sq in. 16-18 lbs engine 20-31 Plans S20 CAP 201 84 wing span 1272 sq 16-18 lbs engine 20-31Plans SZO TEMPEST 86 wing span 1420 sq 18-20 lbs engine 2 4-3 7Plans S25 RV3* 86 wing span 1638 sq 17-19 lbs engine 20-31Plans SZO R C GarmhauSefl 2715 Maple Ave NE Canton OH 44714 RV-3 CAP 21 pre-assembled kits available Write information neutralizing servos mounted side-byside connecting bar between out put arms similar trim bar mechanically con nected between elevator flap servos will provide positive amount trim change model two servos can mounted side-by-side elevator pushrod connected bar instead di rectly servo drilling row holes along bar amount trim can changed selecting proper hole taching elevator pushrod can used between adjacent servos mechanical trim bar direct method changing trim However two servos cannot brought together because elevator servo located fuselage flap servo re motely mounted wing lost can interconnected flexible pushrod nylon tube Nyrod clevis required somewhere system permit disconnecting flexible pushrod servo allow quick removal wing fuselage may easy set up trim bar certainly takes pain out trying use flaps rare obstinate aircraft would unmanageable great satisfaction taming beast out some sort system Scale flap operation may possible Using decals tedious tasks Scale modeling endless hours spent meticulous application masking tape preparation spraying license numbers military designations time effort necessary because correct decals arent available Exact-size -shape decals can made cutting sheet material Blank decal paper coated glue ready paint available 12 x 18 size Sig art supply stores locally Paint can butyrate dope acrylic lacquer epoxy After paint dries mark sheet back pencil guide lines cutting X-Acto blade Applying decals over irregular surface de tails such rivets rib stitching some times less complete success because decal film attempts bridge across humps like miniature tent leaving trapped air underneath liquid will soften decal film cause snuggle down around raised detail crevices surface liquid Hobsco Solv aset found hobby shops carry model railroad supplies used decal film wet immediately after decal slipped off its paper base onto model As soon decal located its exactly proper position Solvaset brushed decal especially along edges will flow underneath decal will soften trapped air its underside can worked out toward edge Bubbles can also pierced needle very sharp pin release trapped air Once decal has softened Solvaset cautious about rough handling until completely dry decal easily damaged warped undesirable shapes decal softened condition its appear ance may rough though its surface breaking up After drying decal smooths out perfectly flat skin no pro truding edges often happens painted figures using masking tape Drying titfle may several hours overnight after can overcoated clear epoxy lightly-sprayed dope Bob Do/h Wischer S22 Lapham Peak Rd. Dc/afield WI 530/8 RC Aerobatics/Van Putte Continued page 49 fraying installed fiberglass cloth wing using Jet could have used epoxy polyester resin advantage using CyA glue obvious because wing can worked immediately rather waiting other adhesives cure Hot Stuff Zap should work fine too second least-favorite job airplane construction always application silicone rubber wing saddle hatch areas seal fuel residue along came suggestion contest maneuver-caller worst critic friend Dick McGraw complaining about having silicone rubber sealing job told discovered great technique keep rubber sticking wasnt wanted too tried grease oil vaseline plastic wrap waxed paper MonoKote backing deficient tried waxordinary candle wax candle used like crayon paint surfaces silicone rubber shouldnt stick results like magic wing pops away fuse lage gentle tap seal between fuselage wing absolutely perfect No wrinkle marks around front back wing materials like plastic wrap tend fold wax residue comes off easily alcohol sharp razor blade can used trim excess silicone rub ber oozes out Try responses request infor mation about Flat Top Stormer have unbelievable got letter Fin land Juham Sederholm wanted Doug Sprengs Cliff Weiricks ad dresses able supply addresses Juham also wanted know proper sequence paint hinge ailerons elevators rudder operate binding paint paint ugly-looking epoxy toothpicks too have own techniques entirely satisfactory Does anyone have particularly good technique painting hinging control surfaces eliminates problems us have about sharing 152 Model Aviation RIC MODEL TRANSPORTER Compact Versatile Durable Hauls 2 planes plus gear equipment will need $570 field customize inside hangers tool box etc meat iuu ii~E need Sun Snu 4 10 30 nigh Mulntnunnn F. Aluminum Eniutiur Wnn Sun Cunnirunilun Srui Running Gun X-HAUL ER PO Box 185 Constantine MI 49042 Cii CIG 4354905 GOITIOLIII Till PROFlLECOMBArRAT WIDE & NARROW WEDGE 15 -- 6 oz Capacities UNIFLOW & Tilfl SUItOR D1Si IDlE Ingredients detailed boChUi155OC stanpS/chCk oni CAROLlNATAFFlNDER 8348 Delhi Road____ Charleston Hgts. SC 2MIt 803-663-7169 IS] Engines Engineered Meet uemdIiu UT Most Discriminating Modeler Backed Service JMatch Send $100 Catalog 23* New Standard* Giant Models 6~49 95*1 28HP5/2Lbs* Direct Sales Only79Dealer Direct ALL ENGINES READY TO RUN INCLUDING 6 BOLT PROP HUB MOUNT MUFFLERS AVAILABLE AT EXTRA CHARGE Rear3405ClevelandAveSW TZ ROUSH M FG THE ENGINE PEOPLE Phone mi Work Horse 32 HP bs 10 straight years have attended enjoyed contests sponsored Rocket City Radio Controllers RCRC Huntsville AL hosted 1981 Mas ters Tournament another Masters Tour nament early 1970s 1972 1 think years contest would have 23rd annual contest However received call George Smith have years chief judge informing 1983 contest cancelled due insufficient help put contest worthy reputation earned previous years What shame Unfortunately same thing has happened other major contests recent years dont know what answer club apathy hope RCRC can overcome resume sponsorship great contest next year people have written phoned ask what happened Jim Kirkland Memorial Contest club Eglin Aero Modellers has sponsored nine years No contest cancelled placed quandry Mas ters Tournament chosen same weekend recent traditional date fourth weekend June Since possible sites Masters Tournament Pensacola FL hesitant hold Pattern contest same dates held 50 miles away Rough River KY announced site 1983 Masters Tourna ment too late get contest sanction properly publicize con test club decided opt con test September 24 25 Depending attendance may new traditional date Kirkland Memo rial See Southeastern fliers Ill covering Masters Tournament Model Aviation look forward re turning site 1975 meet So look both regular column Masters Tournament report next month Ron Van Putte III Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Old-Timers/Mathews Continued paqe 51 used Playboys three models launched same time model ground-looped never took off other two Bruce John remained airborne about five six minutes Bruce Nor man coming down last won first place John Pond second Koval third thought myself event piece cakeyou dont need get off ground win trophy man-hours dollars later no longer think piece cake will enumerate mistakes made instead let tell about models equipment have seen perform Dick Huangs Playboy uses Astro 25 cobalt motor 16 55-Ah cells Weighs 66 oz satisfactorily turn no need look further can start build ing obtaining equipment con fidence finished O-T electric model will fly order specific about equipment manufacturers name part numbers have used imply no other options may work just well betterit says Ive used things successfully First let present some pictures club members Fort Worth Planesmen electric RC airplanes Bruce Nor mans reliable 800-sq-in wing area Play boy uses Astro Cobalt 15 motor eight l-Ah cells weighs about 64 oz Bo Buices trusty Playboy weighs 72 oz uses Astro 15 motor 16 55-Ah cells Marion Knight Laurie Experi mental uses Giest Electric system Ger C02 ENCINES WE NOW HAVE COMPLETE LINE OF BROWN TELCO DAVIS CO-2 ENGINES INCLUDING SPARE PARTS SERVICE BROWNTEL CO A23 PEANUT$3995STANDARD TELCO$2495 CAMPUS BEE$3495TURBO 3000$3295 CAMPUS TWiN$5995TURBO 6000$3695 SODA CHARGER 5 DAVIS- COX 02 CONVERSION TO CO2 $3995 NEW CATALOG No 25 $150 September 1983 153 KIORITZ 24 NEW R/C BOOKLET Answers questions often asked Want get started RIO Awn\\ flying PLUS troduces best airplane start EN ON 1 receive Copy SEND $200 TO ST CROIX OF PARK FALLS LTD PO Box 279P Park Falls WI 54552 Peek-Pe4wes PHONE6194423636 919 4696675 BOX 2498 -MALA MESA CA 92041 Make Own Fiberglass Fuselages Foam Wings Two complete step-by-step booklets illustrations tips hints valuable beginner also expert Among secrets deal set up completely automatic wing cutting machine simple tempering procedure molds fiberglass products booklets have no doubt great value workshop guide beginner expert ORDER NOW TED QUANTITY Both $600 Make Professional Fiberglass Molds $400 Make Professional Styrofoam Wings $300 Mail check Money Order Visa Master Cord Order Johannes Daldosch 730 NE 90th St #29 Miami FL 33238 13051 7565936
