Control Line RA CING John Ballard RACiNG PROPELLERS comes Control Line Racing nothing beats epoxy fiberglass epoxy/graphite-fiber propeller wood propellers fine proximity aircraft surface plus surface contam inants such loose gravel surface imperfec tions cracks overzealous pit men will result quick breakage hardestwood propeller knowledge about three individuals producing satisfactory propel lers both Rat Race Slow Rat Scale Racing sport race old adage certainly true whats up front counts Poor selection improper preparation propeller can result 15-30mph difference air speed addition unbalanced propeller can cause premature bearing failure develop vibration throughout aircraft causing additional problems Most fiberglass props must prepped before use readying fiberglass propeller first item business remove flashing center hub hub must centered propeller runs true perpendicular shaft accurate pitch readings will recorded both blades next step clean up propeller run pitch stations cuff tip recording figures both blades addition pitch station usually measure thickness blade An overly heavy blade will need lightened prior installation aircraft After filing propeller desired pitch both blades find Rat Race Scale Race propellers tip should generally ap proximately 030 050 thick increase around 060 090 about third through fifth sixth pitch stations thinness allows propeller flex slightly find can also add slight bit extra pitch last two stations before tip improve speed per formance airplane overworking engine high rpms basic testing propellers usually make up about three four same type propeller various lengths generally try get pitch aimost identical start reducing diameter blade quarterinch segments see speed increases find no speed increase use full diameter reduce pitch thin blade approxi mately another 005 extremely important propeller balanced initially installed Continued page 150 October 1982 69 3 separate types tlberglass/carbon-Tlber racing propellers Shadow Racing Ocala FL makes left Bill Hughes Baling brook IL makes paddle-wheel-type center Vic Garner Livermore CA uses old Tornado presswood design right several types prop balancers osiances tne snart two knife-edge wheels side minimum friction has extendable legs use props up 10-In diameter K&W pitch gauge used measure prop pitch second station tip prop hub and/or hole square measured pitch will very dramatically blade blade three venturis used OPS 15 L R stock unit 180-die hole opened-up unit approx 325-In hole wide-open unit approx 375 hole Read about flight tests column Youll have experiment various throat sizes find best 7J7 GLOW lireball PLUGS S Blow Proof Seal OSix Types 3 Heat Ranges 0 Longer Life S Flash Starting Only $120 SWANSON PO Box 151 W70W Since 7948 Wayne NJ 07470 ** ** * * *** ***** **** * **it *WANDITTM * Dealers Invited * * lane year warrOfltj. * * CORD * *Wetarory * Stick Abrasives *A Keen Machine gives exceptional *sandog cootrel eccellent finish. * *89~ Basic mcI 1 flat Wand 1 eachit * 6 gritsit *10895 Builder Special mcI 2 flat 1 hall * und wand 5 6 grits *1 29~ Delave includes 3 flat 2 half * nd wands buff wands * 6 grits.it * *Additional Wands Abrasues availahleit * e year local hobby shopit * ADOIS ELMOREEve No r2l41 288 5789it *P0 Boy 266 uite Texas 75149it * maxincluding model specifications fly ing style pitwork andjudges tactical flierwill never give advantage due sportsman ship want see latest sort thing have look rules changes supposed plug loopholes make sports man out FAI would give air points flying model case line tangle its flying upright level As stands now get line tangle opponent goes ground advantage keep him untangling lines because youre getting air points hes get ting minus points wrap punch man past years has replaced mid-air artist circle specialist latter put out business new method starting combat models about 1800 apart rule theres plus minus side tactical flier sees benefit new rule saw match won World Championships 1978 pilot took time trying get separated other pilot time took off stayed right guys tail until circle mar shall chased him off whistle sounded begin combat just landed Three such flights 45 air points needed wrap up match giving opponent chance streamer Its harder now PAl because minus pointsbut very easy Slow Fast seems like rules have tighter theyre worded chance get around As used say Theres ruleand nobody knows what philosophy sure would save printing costs rule books too took about week everyone get Gordon Delaneys trick long venturi sure beats intent rule about having board tank What needed rule about having outboard venturi/spraybar what its about anyway old inboard tank changed lateral balance model too re quiring additional tip weight didnt want model visiting center circle latest rules allow notch wing clear tank 5-in nose moment can retained sufficient quantity fuel five minutes fuel outboard fuse lage center line aid line tension Probably choke some sort should used make ground running little consistent using bag tank wide-open venturi may possible see real 100 mph times Slow Combat also increase possibility event becoming popular Slow Rat thats inside joke other seven Slow Rat fliers left country youre going experiment venturis figure best area start 320 sizebut several holes through venturi can put spraybar different heights Thats sure lot easier try ing add remove shims under tank tap set holes can use short threaded plugs seal off openings being used guess ultimate will threaded ven turi infinite adjustment Charlie Johnson 3716 Ingraham St San Diego CA 92109 CL Racing/Ballard Continued page 69 engine also periodically afterwards because nicks scratches physical deformation hub being tightened repeatedly Addi tionally always good idea remove propeller after days flying give thorough examination cracks splits es pecially around hub area out near tips Since Midwest flying area generally undated high-humidity high-temperature weather usually pick selection different types propellers varying pitches depend ing upon conditions particular day have noticed several competitors making notes concerning temperatures humidity pro peller ran best future conditions meet already-established criteria theo retically propeller shouldbe logical choice Venturi carburetor openings have asked times about proper hole size ven turi carburetor openings Certainly size type engine has optimum size carbure tor opening produce maximum power steady performance performance differ ence recently-introduced OPS 15 its stock venturi opened 325 375 will result rpm gains 2500 range stock venturi very small about 180 stand performance difference three venturis considerable should cer tainly evaluated under flying conditions Installing engine airplane found good 25 mph extra performance could achieved switching very small ven turi very large However found larger venturi caused surging engine operated maximum rpms conse quently dropped back size approxi mately 325 opening resulted some slight loss airspeed much steadier run No-nitro fuel nitro now prices ap [NEW FUEL fuel B1ue Flame gives youedge performance BLUE FLAME fuels made highest quality ingredients give engine Best Performance Longest Life No COD FOB Englewood Check Chargecard Money Order Only Send FREE Catalog Shipping Cost Per Case UPS Call UPS zone 2- 428 3-513 4-630 5-759 6-946 7-1148 8- 1376 IAMPDEN ENGLEWOOD CO 80110 PHONE 303 789-9411 150 Model Aviation Get install dont take off Ken Willard RCM SERVO GARD SERVO GARD monitors airborne flight battery pack voltage well radio signal received transmitter receiver malfunction detected part system SERVO GARD reduces throttle automatically ample vime before battery failure safely land model SPECIFICATIONS Size unit installed KPS-14 servo case foreasy installation Just plug throttle servo output Weight Approx 1 oz Sensitivity Accurate within 02 Volts Servo Putse Unit shipped positive pulse systems negative pulse available upon request SERVO GARD comes complete prewired pigtails servo connectors choice installed specify connector type order SEE YOUR DEALER OR ORDER DIRECT DEALER INQUIRIES IN VI TED Price $3795 Postpaid Specify connector type positive negative pulse ordering ENDORSED BY THE SPIRIT OF AMERICA SHOW TEAM LIMA OHIO R F Enterprises 106 N Main St Arlington 01-145814 419 365-5360 Made wIth blend synthetic castor beat posibIe lubrIcation Detergent actIon to cut varnish mufflet Drum 4 Gallon Case MIX OR MATCH PERGALLON 5%$535Write 10%$605call 1e/eS70 latest American-Made Fox new 60 engine powerful 60 pro duced USA quite possibly world Its massive construction has beef day day out runningYou will like work horse active flying #26500 $12500 R C Fox 78 RC will fit aircraft designed 60 engines yet its big 1 bOre 1 stroke will give - gg extra torque scale models need latest model 78 RO has modified run well straight alcohol castor oil no loss power Hxt [me 15011 646-1656 MANUFACTURING CO 5305 Towson Ave Fort Smith Arkansas 72901 #27800 $12500 proximately $30-540 per gallon cost 50%-70% nitro fuel fast becoming major fi nancial consideration Slow Rat Rat Racing circles two preliminary 70-lap heats 140-lap final will burn almost 1 quarts gasincluding warm-ups etc Rat tank holds just over 5 oz afternoon practic ing can easily use 1 gallons gas testing vari ous propeller/engine combinations has much discussion about fuel 10 racing competitions have attended summer rule mandate use FAI fuel 80% methanol 20% oil gaining popularity course variety prob lems using type fuel Certainly con tests sponsors will charge competitor through entry fees supply fuel Racing events Policing situation during contest distributing fuel competitor would certainly have dealt another avenue thought permeating some conversation Possibly using lower nitro content say 15% 30% using lesser amount new high technology oil say 6 10% oil could get performance now get 60% nitro 20% oil blended fuel Apparently has some testing theory favorable results am certain readers would interested anyone has tested theory either positive negative results have tried mixing fuel 50% -4BOyThE 0rAPErlTloN C3-T5 OUE FVER y Non Warranty Repair Service Kraft Futaba Electronic RIO Equipment 204 N StoneEZGreenwood MS 38930 Telephone 601453-1699 October 1982 151 nes Run No-Nitro Fuel THE FOX EAGLE III HOT STUFFM VIDEOTIPS FREE FOR UP TO 60 DAYS ONE HOUR VHS CASSETTE CLUB MEETINGS HOBBY SHOPS DISTRIBUTORS ORGANIZATIONS $3000 refundable doslt requIred order Send name address phone check Satellite City PO Box 836 Simi CA 93062 TL%Ilt &48Am $9900 VIsA DELIVERED Four Folding Legs Wing & Fuselage Holders Add $400 Shipping calif 6% Tax RAC Products408 274-1915 3200 Knightswood Way 0 San Jose CA 95148 / xx THE HEAD LOCK NEW STANDARrI K fl FOR GLOW PLUG CONNECTORS CHECK THESE FEATURES LPush twist its locked $375 2 Push twi5t itS f 3WjH ovoriteCOfl off under heavy hobby deajerengine vibrats. 4WIII not wedab e rtd rid 50d $ outsdeLSJ short Out 5 Positive spring contact 6 30 inch lead wire MODEL PRODUCTS CORP 60% nitro oil incompatible have also tried mixing oil small amount acetone coupling solvent system has worked limited success idea reduce amount oil keep nitro same thus improving performance engine seems just above 30% nitro oil becomes somewhat incompatible system BOX 314 Pompton Plains NJ07444 Ii cone alloy fairly beefy rod engine seemed start very well piston-to-liner fit excellent factory addition seem totake large amounts ofSO70% nitrocom fortably Certainly availability engine seems no problem competitors start trying various size design propellers head configurations speed should competitive other engines National Control Line Coalition de mise CL-RPM newsletter authored ToodlesandChop Dr LairdJacksonhasorches trated production National Control Line Coalition GazetteNCLC purpose Gazette act sounding block re spective authors expound rule changes evaluate performance competitors Racing Combat Team Race Speed Infor New Oil call Vic Garner Cali fornia indicating Mr Dick McCoy ofC&H Incorporated selling new McCoy racing oil use airplanes cars could incorporated much lower concentration normal Dick indicates product sheet 8-10% oil produces adequate lubrication Typi cally average Racer uses 2023% oil have tried some oil 25% nitro does indeed lubricate satisfactorily 10% level quick analyticai check indicated prod uct bean oil very similar nature oil put out Delta Manufacturing Company Lori mori IA anyone has tried either oils higher nitro concentrations would certainly interested hearing comments New Scale Racing Engine Toledo show March saw first versions OPS 15 Several hobby dealers Chicago area have stocked engines competitors actively using under racing conditions Heretofore Scale Racing event dominated either Rossi Nelson 15 five competitors saw recent Rockford IL Aero Modelers Meet used engines competition OPS has incorporated Schnuerle porting along ABC piston sleeve de sign ball-bearing shaft cast piston high sili 0 ~YI --4-0 152 Model Aviation k 1913 BLERIOT WITH V 56 IN WINGSPAN 451 tSEIM1 COMPLETE KIT LESS Whttcnstirt b MOSP 00 UU 0 Buckeye Balsa supplies AAA quality balsa certified aircraft plywood line kits Aero Composites Kitty Hawk Models Mr Gs Dave Platt RIC Kits Mfg VK Models & hobby shops Now bulk orders can save 25% ordering direct Send $1 catalog PrIce applied first order SAMPLE PRICES Balsa ill 6x2x36 Balsa 3116x3x48 Plywood 3132x6x1 2 Bass Sheet 1 18x3x24 Spruce 3/1 6x311 6x48 List Price 61 202 147 138 47 cost 46 152 110 104 35 Minimum Net Order $50 No shipping COD charges $100 minimum order N 5969 Left well Road PO Box 174 canfield Ohio 44406 hats off cant ship until get order Choose design red R black B royal blue DI sky blueS caps fits Only S6 postpaid 4 S20 Christen Eagle BCE Corsair BF4Fortress B17 Lightning 638Liberator B24 Warhawk B40Mitchell 625 Mustang B51Superfortress B29 Spitfire BSPPhantom BP4 Sabre 686Tomcat B14 Dozens catalog send SASE Send check money order Flightline Shirts Etc Department MA 1781 Johnmark Circle Grants Pass OR 97526 Name Address lJefZA CL Aerobatics/Paul Continued page 70 still using last E-Z Just handle better inspect 10 flights see cable still intact several crash-and-burns have attributed E-Z Just cables parting inside handle pulling cable back through handle can inspect Attach handle some hooks pull hard see everything alright Whatever type handle using now make certain inspect cables very often Whew whole column prepar ation before actual flight Im still home flight box have actually gone Out back yard air plane helper practiced starting engine basic basics sure looks easy fliers until get knack knowing what what signs observe engine can some long flipping sessions field circle friends impatiently tapping feet back yard fill tank get everything set up proper engine start can still visualize some fliers 1981 Nationals couldnt get engines started talking Max 35s ST 46s some radical mill altered timing rear exhaust ball-bearing needle valves dont get bump revolve prop wont start doesnt bump either dont have fire hole dont have fuel What kind glow plug using brand style Most fliers now using idlebar shielded plugs prevent plugs loading up during initial part flight engine running its richest would ever try run ST 46 Max 40 45 FSR HP 40 idle-bar plug what you have occasional lean run up around 9000 rpm Well think its good idea replace plug new after really lean run past Ive trouble plugs after really hot run Since still home learning start engine make certain fire starting going work Lots people now using GloBee starting unit gave up faithful l-4z volt battery after Ed Robbert kept after two years get modern surefire way get plenty juice glowplug course former World Cham pion Bob Gieseke still uses - volt dry cell battery gets one-flip starts time Make certain wire leads good shape connections soldered Before start flip prop stop mo ment think about last session flying time assuming good needle setting weather hotter colder lot humidity getting dark corresponding drop temperature factors should influence preset needle valve time As temperature gets colder humidity goes up need open up needle valve As temperature gets hotter need turn needle valve Another factor remember have changed props fuel nitro percentage will have SIZE IllS x A12 i/32x6 1132x 1I 1/axia Retail 79/bag SIZE AMY/BAG *2-56 12 #3-4812 #4-4012 #6-3212 retail 79/bag SIZE AMY/BAG #2-564 #3-464 #4-404 *6-32 4 Retail 79/bag SIZE AMY/BAG #212 #312 #412 #612 #a12 SIZE AMY/BAG #212 #312 #412 #612 #612 SIZE AMT/BAG #212 #312 #412 #612 #612 Remember Aerotrend source fine modeling hardware also offer complete line wood fiber glass field caddies other acces sories Send SASE free catalog todayDEALERS INVITED ERO TREND PRODUCTS 44w Prospect St New Haven CT06515 Tele 203-397-3755 October 1982 153 mation Gazette can received writing totheNationalControlLineCoalition7071 Second Street Davis CA 95616 Ifanyofyou racers outthere would liketoseea ___ subject discussed column please contact following address John C Ballard H liii 11W II fl 10102 Kimblewick Dr Louisville KY 40223 CityState ZipDesignCap Color
Edition: Model Aviation - 1982/10
Page Numbers: 69, 150, 151, 152, 153
Control Line RA CING John Ballard RACiNG PROPELLERS comes Control Line Racing nothing beats epoxy fiberglass epoxy/graphite-fiber propeller wood propellers fine proximity aircraft surface plus surface contam inants such loose gravel surface imperfec tions cracks overzealous pit men will result quick breakage hardestwood propeller knowledge about three individuals producing satisfactory propel lers both Rat Race Slow Rat Scale Racing sport race old adage certainly true whats up front counts Poor selection improper preparation propeller can result 15-30mph difference air speed addition unbalanced propeller can cause premature bearing failure develop vibration throughout aircraft causing additional problems Most fiberglass props must prepped before use readying fiberglass propeller first item business remove flashing center hub hub must centered propeller runs true perpendicular shaft accurate pitch readings will recorded both blades next step clean up propeller run pitch stations cuff tip recording figures both blades addition pitch station usually measure thickness blade An overly heavy blade will need lightened prior installation aircraft After filing propeller desired pitch both blades find Rat Race Scale Race propellers tip should generally ap proximately 030 050 thick increase around 060 090 about third through fifth sixth pitch stations thinness allows propeller flex slightly find can also add slight bit extra pitch last two stations before tip improve speed per formance airplane overworking engine high rpms basic testing propellers usually make up about three four same type propeller various lengths generally try get pitch aimost identical start reducing diameter blade quarterinch segments see speed increases find no speed increase use full diameter reduce pitch thin blade approxi mately another 005 extremely important propeller balanced initially installed Continued page 150 October 1982 69 3 separate types tlberglass/carbon-Tlber racing propellers Shadow Racing Ocala FL makes left Bill Hughes Baling brook IL makes paddle-wheel-type center Vic Garner Livermore CA uses old Tornado presswood design right several types prop balancers osiances tne snart two knife-edge wheels side minimum friction has extendable legs use props up 10-In diameter K&W pitch gauge used measure prop pitch second station tip prop hub and/or hole square measured pitch will very dramatically blade blade three venturis used OPS 15 L R stock unit 180-die hole opened-up unit approx 325-In hole wide-open unit approx 375 hole Read about flight tests column Youll have experiment various throat sizes find best 7J7 GLOW lireball PLUGS S Blow Proof Seal OSix Types 3 Heat Ranges 0 Longer Life S Flash Starting Only $120 SWANSON PO Box 151 W70W Since 7948 Wayne NJ 07470 ** ** * * *** ***** **** * **it *WANDITTM * Dealers Invited * * lane year warrOfltj. * * CORD * *Wetarory * Stick Abrasives *A Keen Machine gives exceptional *sandog cootrel eccellent finish. * *89~ Basic mcI 1 flat Wand 1 eachit * 6 gritsit *10895 Builder Special mcI 2 flat 1 hall * und wand 5 6 grits *1 29~ Delave includes 3 flat 2 half * nd wands buff wands * 6 grits.it * *Additional Wands Abrasues availahleit * e year local hobby shopit * ADOIS ELMOREEve No r2l41 288 5789it *P0 Boy 266 uite Texas 75149it * maxincluding model specifications fly ing style pitwork andjudges tactical flierwill never give advantage due sportsman ship want see latest sort thing have look rules changes supposed plug loopholes make sports man out FAI would give air points flying model case line tangle its flying upright level As stands now get line tangle opponent goes ground advantage keep him untangling lines because youre getting air points hes get ting minus points wrap punch man past years has replaced mid-air artist circle specialist latter put out business new method starting combat models about 1800 apart rule theres plus minus side tactical flier sees benefit new rule saw match won World Championships 1978 pilot took time trying get separated other pilot time took off stayed right guys tail until circle mar shall chased him off whistle sounded begin combat just landed Three such flights 45 air points needed wrap up match giving opponent chance streamer Its harder now PAl because minus pointsbut very easy Slow Fast seems like rules have tighter theyre worded chance get around As used say Theres ruleand nobody knows what philosophy sure would save printing costs rule books too took about week everyone get Gordon Delaneys trick long venturi sure beats intent rule about having board tank What needed rule about having outboard venturi/spraybar what its about anyway old inboard tank changed lateral balance model too re quiring additional tip weight didnt want model visiting center circle latest rules allow notch wing clear tank 5-in nose moment can retained sufficient quantity fuel five minutes fuel outboard fuse lage center line aid line tension Probably choke some sort should used make ground running little consistent using bag tank wide-open venturi may possible see real 100 mph times Slow Combat also increase possibility event becoming popular Slow Rat thats inside joke other seven Slow Rat fliers left country youre going experiment venturis figure best area start 320 sizebut several holes through venturi can put spraybar different heights Thats sure lot easier try ing add remove shims under tank tap set holes can use short threaded plugs seal off openings being used guess ultimate will threaded ven turi infinite adjustment Charlie Johnson 3716 Ingraham St San Diego CA 92109 CL Racing/Ballard Continued page 69 engine also periodically afterwards because nicks scratches physical deformation hub being tightened repeatedly Addi tionally always good idea remove propeller after days flying give thorough examination cracks splits es pecially around hub area out near tips Since Midwest flying area generally undated high-humidity high-temperature weather usually pick selection different types propellers varying pitches depend ing upon conditions particular day have noticed several competitors making notes concerning temperatures humidity pro peller ran best future conditions meet already-established criteria theo retically propeller shouldbe logical choice Venturi carburetor openings have asked times about proper hole size ven turi carburetor openings Certainly size type engine has optimum size carbure tor opening produce maximum power steady performance performance differ ence recently-introduced OPS 15 its stock venturi opened 325 375 will result rpm gains 2500 range stock venturi very small about 180 stand performance difference three venturis considerable should cer tainly evaluated under flying conditions Installing engine airplane found good 25 mph extra performance could achieved switching very small ven turi very large However found larger venturi caused surging engine operated maximum rpms conse quently dropped back size approxi mately 325 opening resulted some slight loss airspeed much steadier run No-nitro fuel nitro now prices ap [NEW FUEL fuel B1ue Flame gives youedge performance BLUE FLAME fuels made highest quality ingredients give engine Best Performance Longest Life No COD FOB Englewood Check Chargecard Money Order Only Send FREE Catalog Shipping Cost Per Case UPS Call UPS zone 2- 428 3-513 4-630 5-759 6-946 7-1148 8- 1376 IAMPDEN ENGLEWOOD CO 80110 PHONE 303 789-9411 150 Model Aviation Get install dont take off Ken Willard RCM SERVO GARD SERVO GARD monitors airborne flight battery pack voltage well radio signal received transmitter receiver malfunction detected part system SERVO GARD reduces throttle automatically ample vime before battery failure safely land model SPECIFICATIONS Size unit installed KPS-14 servo case foreasy installation Just plug throttle servo output Weight Approx 1 oz Sensitivity Accurate within 02 Volts Servo Putse Unit shipped positive pulse systems negative pulse available upon request SERVO GARD comes complete prewired pigtails servo connectors choice installed specify connector type order SEE YOUR DEALER OR ORDER DIRECT DEALER INQUIRIES IN VI TED Price $3795 Postpaid Specify connector type positive negative pulse ordering ENDORSED BY THE SPIRIT OF AMERICA SHOW TEAM LIMA OHIO R F Enterprises 106 N Main St Arlington 01-145814 419 365-5360 Made wIth blend synthetic castor beat posibIe lubrIcation Detergent actIon to cut varnish mufflet Drum 4 Gallon Case MIX OR MATCH PERGALLON 5%$535Write 10%$605call 1e/eS70 latest American-Made Fox new 60 engine powerful 60 pro duced USA quite possibly world Its massive construction has beef day day out runningYou will like work horse active flying #26500 $12500 R C Fox 78 RC will fit aircraft designed 60 engines yet its big 1 bOre 1 stroke will give - gg extra torque scale models need latest model 78 RO has modified run well straight alcohol castor oil no loss power Hxt [me 15011 646-1656 MANUFACTURING CO 5305 Towson Ave Fort Smith Arkansas 72901 #27800 $12500 proximately $30-540 per gallon cost 50%-70% nitro fuel fast becoming major fi nancial consideration Slow Rat Rat Racing circles two preliminary 70-lap heats 140-lap final will burn almost 1 quarts gasincluding warm-ups etc Rat tank holds just over 5 oz afternoon practic ing can easily use 1 gallons gas testing vari ous propeller/engine combinations has much discussion about fuel 10 racing competitions have attended summer rule mandate use FAI fuel 80% methanol 20% oil gaining popularity course variety prob lems using type fuel Certainly con tests sponsors will charge competitor through entry fees supply fuel Racing events Policing situation during contest distributing fuel competitor would certainly have dealt another avenue thought permeating some conversation Possibly using lower nitro content say 15% 30% using lesser amount new high technology oil say 6 10% oil could get performance now get 60% nitro 20% oil blended fuel Apparently has some testing theory favorable results am certain readers would interested anyone has tested theory either positive negative results have tried mixing fuel 50% -4BOyThE 0rAPErlTloN C3-T5 OUE FVER y Non Warranty Repair Service Kraft Futaba Electronic RIO Equipment 204 N StoneEZGreenwood MS 38930 Telephone 601453-1699 October 1982 151 nes Run No-Nitro Fuel THE FOX EAGLE III HOT STUFFM VIDEOTIPS FREE FOR UP TO 60 DAYS ONE HOUR VHS CASSETTE CLUB MEETINGS HOBBY SHOPS DISTRIBUTORS ORGANIZATIONS $3000 refundable doslt requIred order Send name address phone check Satellite City PO Box 836 Simi CA 93062 TL%Ilt &48Am $9900 VIsA DELIVERED Four Folding Legs Wing & Fuselage Holders Add $400 Shipping calif 6% Tax RAC Products408 274-1915 3200 Knightswood Way 0 San Jose CA 95148 / xx THE HEAD LOCK NEW STANDARrI K fl FOR GLOW PLUG CONNECTORS CHECK THESE FEATURES LPush twist its locked $375 2 Push twi5t itS f 3WjH ovoriteCOfl off under heavy hobby deajerengine vibrats. 4WIII not wedab e rtd rid 50d $ outsdeLSJ short Out 5 Positive spring contact 6 30 inch lead wire MODEL PRODUCTS CORP 60% nitro oil incompatible have also tried mixing oil small amount acetone coupling solvent system has worked limited success idea reduce amount oil keep nitro same thus improving performance engine seems just above 30% nitro oil becomes somewhat incompatible system BOX 314 Pompton Plains NJ07444 Ii cone alloy fairly beefy rod engine seemed start very well piston-to-liner fit excellent factory addition seem totake large amounts ofSO70% nitrocom fortably Certainly availability engine seems no problem competitors start trying various size design propellers head configurations speed should competitive other engines National Control Line Coalition de mise CL-RPM newsletter authored ToodlesandChop Dr LairdJacksonhasorches trated production National Control Line Coalition GazetteNCLC purpose Gazette act sounding block re spective authors expound rule changes evaluate performance competitors Racing Combat Team Race Speed Infor New Oil call Vic Garner Cali fornia indicating Mr Dick McCoy ofC&H Incorporated selling new McCoy racing oil use airplanes cars could incorporated much lower concentration normal Dick indicates product sheet 8-10% oil produces adequate lubrication Typi cally average Racer uses 2023% oil have tried some oil 25% nitro does indeed lubricate satisfactorily 10% level quick analyticai check indicated prod uct bean oil very similar nature oil put out Delta Manufacturing Company Lori mori IA anyone has tried either oils higher nitro concentrations would certainly interested hearing comments New Scale Racing Engine Toledo show March saw first versions OPS 15 Several hobby dealers Chicago area have stocked engines competitors actively using under racing conditions Heretofore Scale Racing event dominated either Rossi Nelson 15 five competitors saw recent Rockford IL Aero Modelers Meet used engines competition OPS has incorporated Schnuerle porting along ABC piston sleeve de sign ball-bearing shaft cast piston high sili 0 ~YI --4-0 152 Model Aviation k 1913 BLERIOT WITH V 56 IN WINGSPAN 451 tSEIM1 COMPLETE KIT LESS Whttcnstirt b MOSP 00 UU 0 Buckeye Balsa supplies AAA quality balsa certified aircraft plywood line kits Aero Composites Kitty Hawk Models Mr Gs Dave Platt RIC Kits Mfg VK Models & hobby shops Now bulk orders can save 25% ordering direct Send $1 catalog PrIce applied first order SAMPLE PRICES Balsa ill 6x2x36 Balsa 3116x3x48 Plywood 3132x6x1 2 Bass Sheet 1 18x3x24 Spruce 3/1 6x311 6x48 List Price 61 202 147 138 47 cost 46 152 110 104 35 Minimum Net Order $50 No shipping COD charges $100 minimum order N 5969 Left well Road PO Box 174 canfield Ohio 44406 hats off cant ship until get order Choose design red R black B royal blue DI sky blueS caps fits Only S6 postpaid 4 S20 Christen Eagle BCE Corsair BF4Fortress B17 Lightning 638Liberator B24 Warhawk B40Mitchell 625 Mustang B51Superfortress B29 Spitfire BSPPhantom BP4 Sabre 686Tomcat B14 Dozens catalog send SASE Send check money order Flightline Shirts Etc Department MA 1781 Johnmark Circle Grants Pass OR 97526 Name Address lJefZA CL Aerobatics/Paul Continued page 70 still using last E-Z Just handle better inspect 10 flights see cable still intact several crash-and-burns have attributed E-Z Just cables parting inside handle pulling cable back through handle can inspect Attach handle some hooks pull hard see everything alright Whatever type handle using now make certain inspect cables very often Whew whole column prepar ation before actual flight Im still home flight box have actually gone Out back yard air plane helper practiced starting engine basic basics sure looks easy fliers until get knack knowing what what signs observe engine can some long flipping sessions field circle friends impatiently tapping feet back yard fill tank get everything set up proper engine start can still visualize some fliers 1981 Nationals couldnt get engines started talking Max 35s ST 46s some radical mill altered timing rear exhaust ball-bearing needle valves dont get bump revolve prop wont start doesnt bump either dont have fire hole dont have fuel What kind glow plug using brand style Most fliers now using idlebar shielded plugs prevent plugs loading up during initial part flight engine running its richest would ever try run ST 46 Max 40 45 FSR HP 40 idle-bar plug what you have occasional lean run up around 9000 rpm Well think its good idea replace plug new after really lean run past Ive trouble plugs after really hot run Since still home learning start engine make certain fire starting going work Lots people now using GloBee starting unit gave up faithful l-4z volt battery after Ed Robbert kept after two years get modern surefire way get plenty juice glowplug course former World Cham pion Bob Gieseke still uses - volt dry cell battery gets one-flip starts time Make certain wire leads good shape connections soldered Before start flip prop stop mo ment think about last session flying time assuming good needle setting weather hotter colder lot humidity getting dark corresponding drop temperature factors should influence preset needle valve time As temperature gets colder humidity goes up need open up needle valve As temperature gets hotter need turn needle valve Another factor remember have changed props fuel nitro percentage will have SIZE IllS x A12 i/32x6 1132x 1I 1/axia Retail 79/bag SIZE AMY/BAG *2-56 12 #3-4812 #4-4012 #6-3212 retail 79/bag SIZE AMY/BAG #2-564 #3-464 #4-404 *6-32 4 Retail 79/bag SIZE AMY/BAG #212 #312 #412 #612 #a12 SIZE AMY/BAG #212 #312 #412 #612 #612 SIZE AMT/BAG #212 #312 #412 #612 #612 Remember Aerotrend source fine modeling hardware also offer complete line wood fiber glass field caddies other acces sories Send SASE free catalog todayDEALERS INVITED ERO TREND PRODUCTS 44w Prospect St New Haven CT06515 Tele 203-397-3755 October 1982 153 mation Gazette can received writing totheNationalControlLineCoalition7071 Second Street Davis CA 95616 Ifanyofyou racers outthere would liketoseea ___ subject discussed column please contact following address John C Ballard H liii 11W II fl 10102 Kimblewick Dr Louisville KY 40223 CityState ZipDesignCap Color
Edition: Model Aviation - 1982/10
Page Numbers: 69, 150, 151, 152, 153
Control Line RA CING John Ballard RACiNG PROPELLERS comes Control Line Racing nothing beats epoxy fiberglass epoxy/graphite-fiber propeller wood propellers fine proximity aircraft surface plus surface contam inants such loose gravel surface imperfec tions cracks overzealous pit men will result quick breakage hardestwood propeller knowledge about three individuals producing satisfactory propel lers both Rat Race Slow Rat Scale Racing sport race old adage certainly true whats up front counts Poor selection improper preparation propeller can result 15-30mph difference air speed addition unbalanced propeller can cause premature bearing failure develop vibration throughout aircraft causing additional problems Most fiberglass props must prepped before use readying fiberglass propeller first item business remove flashing center hub hub must centered propeller runs true perpendicular shaft accurate pitch readings will recorded both blades next step clean up propeller run pitch stations cuff tip recording figures both blades addition pitch station usually measure thickness blade An overly heavy blade will need lightened prior installation aircraft After filing propeller desired pitch both blades find Rat Race Scale Race propellers tip should generally ap proximately 030 050 thick increase around 060 090 about third through fifth sixth pitch stations thinness allows propeller flex slightly find can also add slight bit extra pitch last two stations before tip improve speed per formance airplane overworking engine high rpms basic testing propellers usually make up about three four same type propeller various lengths generally try get pitch aimost identical start reducing diameter blade quarterinch segments see speed increases find no speed increase use full diameter reduce pitch thin blade approxi mately another 005 extremely important propeller balanced initially installed Continued page 150 October 1982 69 3 separate types tlberglass/carbon-Tlber racing propellers Shadow Racing Ocala FL makes left Bill Hughes Baling brook IL makes paddle-wheel-type center Vic Garner Livermore CA uses old Tornado presswood design right several types prop balancers osiances tne snart two knife-edge wheels side minimum friction has extendable legs use props up 10-In diameter K&W pitch gauge used measure prop pitch second station tip prop hub and/or hole square measured pitch will very dramatically blade blade three venturis used OPS 15 L R stock unit 180-die hole opened-up unit approx 325-In hole wide-open unit approx 375 hole Read about flight tests column Youll have experiment various throat sizes find best 7J7 GLOW lireball PLUGS S Blow Proof Seal OSix Types 3 Heat Ranges 0 Longer Life S Flash Starting Only $120 SWANSON PO Box 151 W70W Since 7948 Wayne NJ 07470 ** ** * * *** ***** **** * **it *WANDITTM * Dealers Invited * * lane year warrOfltj. * * CORD * *Wetarory * Stick Abrasives *A Keen Machine gives exceptional *sandog cootrel eccellent finish. * *89~ Basic mcI 1 flat Wand 1 eachit * 6 gritsit *10895 Builder Special mcI 2 flat 1 hall * und wand 5 6 grits *1 29~ Delave includes 3 flat 2 half * nd wands buff wands * 6 grits.it * *Additional Wands Abrasues availahleit * e year local hobby shopit * ADOIS ELMOREEve No r2l41 288 5789it *P0 Boy 266 uite Texas 75149it * maxincluding model specifications fly ing style pitwork andjudges tactical flierwill never give advantage due sportsman ship want see latest sort thing have look rules changes supposed plug loopholes make sports man out FAI would give air points flying model case line tangle its flying upright level As stands now get line tangle opponent goes ground advantage keep him untangling lines because youre getting air points hes get ting minus points wrap punch man past years has replaced mid-air artist circle specialist latter put out business new method starting combat models about 1800 apart rule theres plus minus side tactical flier sees benefit new rule saw match won World Championships 1978 pilot took time trying get separated other pilot time took off stayed right guys tail until circle mar shall chased him off whistle sounded begin combat just landed Three such flights 45 air points needed wrap up match giving opponent chance streamer Its harder now PAl because minus pointsbut very easy Slow Fast seems like rules have tighter theyre worded chance get around As used say Theres ruleand nobody knows what philosophy sure would save printing costs rule books too took about week everyone get Gordon Delaneys trick long venturi sure beats intent rule about having board tank What needed rule about having outboard venturi/spraybar what its about anyway old inboard tank changed lateral balance model too re quiring additional tip weight didnt want model visiting center circle latest rules allow notch wing clear tank 5-in nose moment can retained sufficient quantity fuel five minutes fuel outboard fuse lage center line aid line tension Probably choke some sort should used make ground running little consistent using bag tank wide-open venturi may possible see real 100 mph times Slow Combat also increase possibility event becoming popular Slow Rat thats inside joke other seven Slow Rat fliers left country youre going experiment venturis figure best area start 320 sizebut several holes through venturi can put spraybar different heights Thats sure lot easier try ing add remove shims under tank tap set holes can use short threaded plugs seal off openings being used guess ultimate will threaded ven turi infinite adjustment Charlie Johnson 3716 Ingraham St San Diego CA 92109 CL Racing/Ballard Continued page 69 engine also periodically afterwards because nicks scratches physical deformation hub being tightened repeatedly Addi tionally always good idea remove propeller after days flying give thorough examination cracks splits es pecially around hub area out near tips Since Midwest flying area generally undated high-humidity high-temperature weather usually pick selection different types propellers varying pitches depend ing upon conditions particular day have noticed several competitors making notes concerning temperatures humidity pro peller ran best future conditions meet already-established criteria theo retically propeller shouldbe logical choice Venturi carburetor openings have asked times about proper hole size ven turi carburetor openings Certainly size type engine has optimum size carbure tor opening produce maximum power steady performance performance differ ence recently-introduced OPS 15 its stock venturi opened 325 375 will result rpm gains 2500 range stock venturi very small about 180 stand performance difference three venturis considerable should cer tainly evaluated under flying conditions Installing engine airplane found good 25 mph extra performance could achieved switching very small ven turi very large However found larger venturi caused surging engine operated maximum rpms conse quently dropped back size approxi mately 325 opening resulted some slight loss airspeed much steadier run No-nitro fuel nitro now prices ap [NEW FUEL fuel B1ue Flame gives youedge performance BLUE FLAME fuels made highest quality ingredients give engine Best Performance Longest Life No COD FOB Englewood Check Chargecard Money Order Only Send FREE Catalog Shipping Cost Per Case UPS Call UPS zone 2- 428 3-513 4-630 5-759 6-946 7-1148 8- 1376 IAMPDEN ENGLEWOOD CO 80110 PHONE 303 789-9411 150 Model Aviation Get install dont take off Ken Willard RCM SERVO GARD SERVO GARD monitors airborne flight battery pack voltage well radio signal received transmitter receiver malfunction detected part system SERVO GARD reduces throttle automatically ample vime before battery failure safely land model SPECIFICATIONS Size unit installed KPS-14 servo case foreasy installation Just plug throttle servo output Weight Approx 1 oz Sensitivity Accurate within 02 Volts Servo Putse Unit shipped positive pulse systems negative pulse available upon request SERVO GARD comes complete prewired pigtails servo connectors choice installed specify connector type order SEE YOUR DEALER OR ORDER DIRECT DEALER INQUIRIES IN VI TED Price $3795 Postpaid Specify connector type positive negative pulse ordering ENDORSED BY THE SPIRIT OF AMERICA SHOW TEAM LIMA OHIO R F Enterprises 106 N Main St Arlington 01-145814 419 365-5360 Made wIth blend synthetic castor beat posibIe lubrIcation Detergent actIon to cut varnish mufflet Drum 4 Gallon Case MIX OR MATCH PERGALLON 5%$535Write 10%$605call 1e/eS70 latest American-Made Fox new 60 engine powerful 60 pro duced USA quite possibly world Its massive construction has beef day day out runningYou will like work horse active flying #26500 $12500 R C Fox 78 RC will fit aircraft designed 60 engines yet its big 1 bOre 1 stroke will give - gg extra torque scale models need latest model 78 RO has modified run well straight alcohol castor oil no loss power Hxt [me 15011 646-1656 MANUFACTURING CO 5305 Towson Ave Fort Smith Arkansas 72901 #27800 $12500 proximately $30-540 per gallon cost 50%-70% nitro fuel fast becoming major fi nancial consideration Slow Rat Rat Racing circles two preliminary 70-lap heats 140-lap final will burn almost 1 quarts gasincluding warm-ups etc Rat tank holds just over 5 oz afternoon practic ing can easily use 1 gallons gas testing vari ous propeller/engine combinations has much discussion about fuel 10 racing competitions have attended summer rule mandate use FAI fuel 80% methanol 20% oil gaining popularity course variety prob lems using type fuel Certainly con tests sponsors will charge competitor through entry fees supply fuel Racing events Policing situation during contest distributing fuel competitor would certainly have dealt another avenue thought permeating some conversation Possibly using lower nitro content say 15% 30% using lesser amount new high technology oil say 6 10% oil could get performance now get 60% nitro 20% oil blended fuel Apparently has some testing theory favorable results am certain readers would interested anyone has tested theory either positive negative results have tried mixing fuel 50% -4BOyThE 0rAPErlTloN C3-T5 OUE FVER y Non Warranty Repair Service Kraft Futaba Electronic RIO Equipment 204 N StoneEZGreenwood MS 38930 Telephone 601453-1699 October 1982 151 nes Run No-Nitro Fuel THE FOX EAGLE III HOT STUFFM VIDEOTIPS FREE FOR UP TO 60 DAYS ONE HOUR VHS CASSETTE CLUB MEETINGS HOBBY SHOPS DISTRIBUTORS ORGANIZATIONS $3000 refundable doslt requIred order Send name address phone check Satellite City PO Box 836 Simi CA 93062 TL%Ilt &48Am $9900 VIsA DELIVERED Four Folding Legs Wing & Fuselage Holders Add $400 Shipping calif 6% Tax RAC Products408 274-1915 3200 Knightswood Way 0 San Jose CA 95148 / xx THE HEAD LOCK NEW STANDARrI K fl FOR GLOW PLUG CONNECTORS CHECK THESE FEATURES LPush twist its locked $375 2 Push twi5t itS f 3WjH ovoriteCOfl off under heavy hobby deajerengine vibrats. 4WIII not wedab e rtd rid 50d $ outsdeLSJ short Out 5 Positive spring contact 6 30 inch lead wire MODEL PRODUCTS CORP 60% nitro oil incompatible have also tried mixing oil small amount acetone coupling solvent system has worked limited success idea reduce amount oil keep nitro same thus improving performance engine seems just above 30% nitro oil becomes somewhat incompatible system BOX 314 Pompton Plains NJ07444 Ii cone alloy fairly beefy rod engine seemed start very well piston-to-liner fit excellent factory addition seem totake large amounts ofSO70% nitrocom fortably Certainly availability engine seems no problem competitors start trying various size design propellers head configurations speed should competitive other engines National Control Line Coalition de mise CL-RPM newsletter authored ToodlesandChop Dr LairdJacksonhasorches trated production National Control Line Coalition GazetteNCLC purpose Gazette act sounding block re spective authors expound rule changes evaluate performance competitors Racing Combat Team Race Speed Infor New Oil call Vic Garner Cali fornia indicating Mr Dick McCoy ofC&H Incorporated selling new McCoy racing oil use airplanes cars could incorporated much lower concentration normal Dick indicates product sheet 8-10% oil produces adequate lubrication Typi cally average Racer uses 2023% oil have tried some oil 25% nitro does indeed lubricate satisfactorily 10% level quick analyticai check indicated prod uct bean oil very similar nature oil put out Delta Manufacturing Company Lori mori IA anyone has tried either oils higher nitro concentrations would certainly interested hearing comments New Scale Racing Engine Toledo show March saw first versions OPS 15 Several hobby dealers Chicago area have stocked engines competitors actively using under racing conditions Heretofore Scale Racing event dominated either Rossi Nelson 15 five competitors saw recent Rockford IL Aero Modelers Meet used engines competition OPS has incorporated Schnuerle porting along ABC piston sleeve de sign ball-bearing shaft cast piston high sili 0 ~YI --4-0 152 Model Aviation k 1913 BLERIOT WITH V 56 IN WINGSPAN 451 tSEIM1 COMPLETE KIT LESS Whttcnstirt b MOSP 00 UU 0 Buckeye Balsa supplies AAA quality balsa certified aircraft plywood line kits Aero Composites Kitty Hawk Models Mr Gs Dave Platt RIC Kits Mfg VK Models & hobby shops Now bulk orders can save 25% ordering direct Send $1 catalog PrIce applied first order SAMPLE PRICES Balsa ill 6x2x36 Balsa 3116x3x48 Plywood 3132x6x1 2 Bass Sheet 1 18x3x24 Spruce 3/1 6x311 6x48 List Price 61 202 147 138 47 cost 46 152 110 104 35 Minimum Net Order $50 No shipping COD charges $100 minimum order N 5969 Left well Road PO Box 174 canfield Ohio 44406 hats off cant ship until get order Choose design red R black B royal blue DI sky blueS caps fits Only S6 postpaid 4 S20 Christen Eagle BCE Corsair BF4Fortress B17 Lightning 638Liberator B24 Warhawk B40Mitchell 625 Mustang B51Superfortress B29 Spitfire BSPPhantom BP4 Sabre 686Tomcat B14 Dozens catalog send SASE Send check money order Flightline Shirts Etc Department MA 1781 Johnmark Circle Grants Pass OR 97526 Name Address lJefZA CL Aerobatics/Paul Continued page 70 still using last E-Z Just handle better inspect 10 flights see cable still intact several crash-and-burns have attributed E-Z Just cables parting inside handle pulling cable back through handle can inspect Attach handle some hooks pull hard see everything alright Whatever type handle using now make certain inspect cables very often Whew whole column prepar ation before actual flight Im still home flight box have actually gone Out back yard air plane helper practiced starting engine basic basics sure looks easy fliers until get knack knowing what what signs observe engine can some long flipping sessions field circle friends impatiently tapping feet back yard fill tank get everything set up proper engine start can still visualize some fliers 1981 Nationals couldnt get engines started talking Max 35s ST 46s some radical mill altered timing rear exhaust ball-bearing needle valves dont get bump revolve prop wont start doesnt bump either dont have fire hole dont have fuel What kind glow plug using brand style Most fliers now using idlebar shielded plugs prevent plugs loading up during initial part flight engine running its richest would ever try run ST 46 Max 40 45 FSR HP 40 idle-bar plug what you have occasional lean run up around 9000 rpm Well think its good idea replace plug new after really lean run past Ive trouble plugs after really hot run Since still home learning start engine make certain fire starting going work Lots people now using GloBee starting unit gave up faithful l-4z volt battery after Ed Robbert kept after two years get modern surefire way get plenty juice glowplug course former World Cham pion Bob Gieseke still uses - volt dry cell battery gets one-flip starts time Make certain wire leads good shape connections soldered Before start flip prop stop mo ment think about last session flying time assuming good needle setting weather hotter colder lot humidity getting dark corresponding drop temperature factors should influence preset needle valve time As temperature gets colder humidity goes up need open up needle valve As temperature gets hotter need turn needle valve Another factor remember have changed props fuel nitro percentage will have SIZE IllS x A12 i/32x6 1132x 1I 1/axia Retail 79/bag SIZE AMY/BAG *2-56 12 #3-4812 #4-4012 #6-3212 retail 79/bag SIZE AMY/BAG #2-564 #3-464 #4-404 *6-32 4 Retail 79/bag SIZE AMY/BAG #212 #312 #412 #612 #a12 SIZE AMY/BAG #212 #312 #412 #612 #612 SIZE AMT/BAG #212 #312 #412 #612 #612 Remember Aerotrend source fine modeling hardware also offer complete line wood fiber glass field caddies other acces sories Send SASE free catalog todayDEALERS INVITED ERO TREND PRODUCTS 44w Prospect St New Haven CT06515 Tele 203-397-3755 October 1982 153 mation Gazette can received writing totheNationalControlLineCoalition7071 Second Street Davis CA 95616 Ifanyofyou racers outthere would liketoseea ___ subject discussed column please contact following address John C Ballard H liii 11W II fl 10102 Kimblewick Dr Louisville KY 40223 CityState ZipDesignCap Color
Edition: Model Aviation - 1982/10
Page Numbers: 69, 150, 151, 152, 153
Control Line RA CING John Ballard RACiNG PROPELLERS comes Control Line Racing nothing beats epoxy fiberglass epoxy/graphite-fiber propeller wood propellers fine proximity aircraft surface plus surface contam inants such loose gravel surface imperfec tions cracks overzealous pit men will result quick breakage hardestwood propeller knowledge about three individuals producing satisfactory propel lers both Rat Race Slow Rat Scale Racing sport race old adage certainly true whats up front counts Poor selection improper preparation propeller can result 15-30mph difference air speed addition unbalanced propeller can cause premature bearing failure develop vibration throughout aircraft causing additional problems Most fiberglass props must prepped before use readying fiberglass propeller first item business remove flashing center hub hub must centered propeller runs true perpendicular shaft accurate pitch readings will recorded both blades next step clean up propeller run pitch stations cuff tip recording figures both blades addition pitch station usually measure thickness blade An overly heavy blade will need lightened prior installation aircraft After filing propeller desired pitch both blades find Rat Race Scale Race propellers tip should generally ap proximately 030 050 thick increase around 060 090 about third through fifth sixth pitch stations thinness allows propeller flex slightly find can also add slight bit extra pitch last two stations before tip improve speed per formance airplane overworking engine high rpms basic testing propellers usually make up about three four same type propeller various lengths generally try get pitch aimost identical start reducing diameter blade quarterinch segments see speed increases find no speed increase use full diameter reduce pitch thin blade approxi mately another 005 extremely important propeller balanced initially installed Continued page 150 October 1982 69 3 separate types tlberglass/carbon-Tlber racing propellers Shadow Racing Ocala FL makes left Bill Hughes Baling brook IL makes paddle-wheel-type center Vic Garner Livermore CA uses old Tornado presswood design right several types prop balancers osiances tne snart two knife-edge wheels side minimum friction has extendable legs use props up 10-In diameter K&W pitch gauge used measure prop pitch second station tip prop hub and/or hole square measured pitch will very dramatically blade blade three venturis used OPS 15 L R stock unit 180-die hole opened-up unit approx 325-In hole wide-open unit approx 375 hole Read about flight tests column Youll have experiment various throat sizes find best 7J7 GLOW lireball PLUGS S Blow Proof Seal OSix Types 3 Heat Ranges 0 Longer Life S Flash Starting Only $120 SWANSON PO Box 151 W70W Since 7948 Wayne NJ 07470 ** ** * * *** ***** **** * **it *WANDITTM * Dealers Invited * * lane year warrOfltj. * * CORD * *Wetarory * Stick Abrasives *A Keen Machine gives exceptional *sandog cootrel eccellent finish. * *89~ Basic mcI 1 flat Wand 1 eachit * 6 gritsit *10895 Builder Special mcI 2 flat 1 hall * und wand 5 6 grits *1 29~ Delave includes 3 flat 2 half * nd wands buff wands * 6 grits.it * *Additional Wands Abrasues availahleit * e year local hobby shopit * ADOIS ELMOREEve No r2l41 288 5789it *P0 Boy 266 uite Texas 75149it * maxincluding model specifications fly ing style pitwork andjudges tactical flierwill never give advantage due sportsman ship want see latest sort thing have look rules changes supposed plug loopholes make sports man out FAI would give air points flying model case line tangle its flying upright level As stands now get line tangle opponent goes ground advantage keep him untangling lines because youre getting air points hes get ting minus points wrap punch man past years has replaced mid-air artist circle specialist latter put out business new method starting combat models about 1800 apart rule theres plus minus side tactical flier sees benefit new rule saw match won World Championships 1978 pilot took time trying get separated other pilot time took off stayed right guys tail until circle mar shall chased him off whistle sounded begin combat just landed Three such flights 45 air points needed wrap up match giving opponent chance streamer Its harder now PAl because minus pointsbut very easy Slow Fast seems like rules have tighter theyre worded chance get around As used say Theres ruleand nobody knows what philosophy sure would save printing costs rule books too took about week everyone get Gordon Delaneys trick long venturi sure beats intent rule about having board tank What needed rule about having outboard venturi/spraybar what its about anyway old inboard tank changed lateral balance model too re quiring additional tip weight didnt want model visiting center circle latest rules allow notch wing clear tank 5-in nose moment can retained sufficient quantity fuel five minutes fuel outboard fuse lage center line aid line tension Probably choke some sort should used make ground running little consistent using bag tank wide-open venturi may possible see real 100 mph times Slow Combat also increase possibility event becoming popular Slow Rat thats inside joke other seven Slow Rat fliers left country youre going experiment venturis figure best area start 320 sizebut several holes through venturi can put spraybar different heights Thats sure lot easier try ing add remove shims under tank tap set holes can use short threaded plugs seal off openings being used guess ultimate will threaded ven turi infinite adjustment Charlie Johnson 3716 Ingraham St San Diego CA 92109 CL Racing/Ballard Continued page 69 engine also periodically afterwards because nicks scratches physical deformation hub being tightened repeatedly Addi tionally always good idea remove propeller after days flying give thorough examination cracks splits es pecially around hub area out near tips Since Midwest flying area generally undated high-humidity high-temperature weather usually pick selection different types propellers varying pitches depend ing upon conditions particular day have noticed several competitors making notes concerning temperatures humidity pro peller ran best future conditions meet already-established criteria theo retically propeller shouldbe logical choice Venturi carburetor openings have asked times about proper hole size ven turi carburetor openings Certainly size type engine has optimum size carbure tor opening produce maximum power steady performance performance differ ence recently-introduced OPS 15 its stock venturi opened 325 375 will result rpm gains 2500 range stock venturi very small about 180 stand performance difference three venturis considerable should cer tainly evaluated under flying conditions Installing engine airplane found good 25 mph extra performance could achieved switching very small ven turi very large However found larger venturi caused surging engine operated maximum rpms conse quently dropped back size approxi mately 325 opening resulted some slight loss airspeed much steadier run No-nitro fuel nitro now prices ap [NEW FUEL fuel B1ue Flame gives youedge performance BLUE FLAME fuels made highest quality ingredients give engine Best Performance Longest Life No COD FOB Englewood Check Chargecard Money Order Only Send FREE Catalog Shipping Cost Per Case UPS Call UPS zone 2- 428 3-513 4-630 5-759 6-946 7-1148 8- 1376 IAMPDEN ENGLEWOOD CO 80110 PHONE 303 789-9411 150 Model Aviation Get install dont take off Ken Willard RCM SERVO GARD SERVO GARD monitors airborne flight battery pack voltage well radio signal received transmitter receiver malfunction detected part system SERVO GARD reduces throttle automatically ample vime before battery failure safely land model SPECIFICATIONS Size unit installed KPS-14 servo case foreasy installation Just plug throttle servo output Weight Approx 1 oz Sensitivity Accurate within 02 Volts Servo Putse Unit shipped positive pulse systems negative pulse available upon request SERVO GARD comes complete prewired pigtails servo connectors choice installed specify connector type order SEE YOUR DEALER OR ORDER DIRECT DEALER INQUIRIES IN VI TED Price $3795 Postpaid Specify connector type positive negative pulse ordering ENDORSED BY THE SPIRIT OF AMERICA SHOW TEAM LIMA OHIO R F Enterprises 106 N Main St Arlington 01-145814 419 365-5360 Made wIth blend synthetic castor beat posibIe lubrIcation Detergent actIon to cut varnish mufflet Drum 4 Gallon Case MIX OR MATCH PERGALLON 5%$535Write 10%$605call 1e/eS70 latest American-Made Fox new 60 engine powerful 60 pro duced USA quite possibly world Its massive construction has beef day day out runningYou will like work horse active flying #26500 $12500 R C Fox 78 RC will fit aircraft designed 60 engines yet its big 1 bOre 1 stroke will give - gg extra torque scale models need latest model 78 RO has modified run well straight alcohol castor oil no loss power Hxt [me 15011 646-1656 MANUFACTURING CO 5305 Towson Ave Fort Smith Arkansas 72901 #27800 $12500 proximately $30-540 per gallon cost 50%-70% nitro fuel fast becoming major fi nancial consideration Slow Rat Rat Racing circles two preliminary 70-lap heats 140-lap final will burn almost 1 quarts gasincluding warm-ups etc Rat tank holds just over 5 oz afternoon practic ing can easily use 1 gallons gas testing vari ous propeller/engine combinations has much discussion about fuel 10 racing competitions have attended summer rule mandate use FAI fuel 80% methanol 20% oil gaining popularity course variety prob lems using type fuel Certainly con tests sponsors will charge competitor through entry fees supply fuel Racing events Policing situation during contest distributing fuel competitor would certainly have dealt another avenue thought permeating some conversation Possibly using lower nitro content say 15% 30% using lesser amount new high technology oil say 6 10% oil could get performance now get 60% nitro 20% oil blended fuel Apparently has some testing theory favorable results am certain readers would interested anyone has tested theory either positive negative results have tried mixing fuel 50% -4BOyThE 0rAPErlTloN C3-T5 OUE FVER y Non Warranty Repair Service Kraft Futaba Electronic RIO Equipment 204 N StoneEZGreenwood MS 38930 Telephone 601453-1699 October 1982 151 nes Run No-Nitro Fuel THE FOX EAGLE III HOT STUFFM VIDEOTIPS FREE FOR UP TO 60 DAYS ONE HOUR VHS CASSETTE CLUB MEETINGS HOBBY SHOPS DISTRIBUTORS ORGANIZATIONS $3000 refundable doslt requIred order Send name address phone check Satellite City PO Box 836 Simi CA 93062 TL%Ilt &48Am $9900 VIsA DELIVERED Four Folding Legs Wing & Fuselage Holders Add $400 Shipping calif 6% Tax RAC Products408 274-1915 3200 Knightswood Way 0 San Jose CA 95148 / xx THE HEAD LOCK NEW STANDARrI K fl FOR GLOW PLUG CONNECTORS CHECK THESE FEATURES LPush twist its locked $375 2 Push twi5t itS f 3WjH ovoriteCOfl off under heavy hobby deajerengine vibrats. 4WIII not wedab e rtd rid 50d $ outsdeLSJ short Out 5 Positive spring contact 6 30 inch lead wire MODEL PRODUCTS CORP 60% nitro oil incompatible have also tried mixing oil small amount acetone coupling solvent system has worked limited success idea reduce amount oil keep nitro same thus improving performance engine seems just above 30% nitro oil becomes somewhat incompatible system BOX 314 Pompton Plains NJ07444 Ii cone alloy fairly beefy rod engine seemed start very well piston-to-liner fit excellent factory addition seem totake large amounts ofSO70% nitrocom fortably Certainly availability engine seems no problem competitors start trying various size design propellers head configurations speed should competitive other engines National Control Line Coalition de mise CL-RPM newsletter authored ToodlesandChop Dr LairdJacksonhasorches trated production National Control Line Coalition GazetteNCLC purpose Gazette act sounding block re spective authors expound rule changes evaluate performance competitors Racing Combat Team Race Speed Infor New Oil call Vic Garner Cali fornia indicating Mr Dick McCoy ofC&H Incorporated selling new McCoy racing oil use airplanes cars could incorporated much lower concentration normal Dick indicates product sheet 8-10% oil produces adequate lubrication Typi cally average Racer uses 2023% oil have tried some oil 25% nitro does indeed lubricate satisfactorily 10% level quick analyticai check indicated prod uct bean oil very similar nature oil put out Delta Manufacturing Company Lori mori IA anyone has tried either oils higher nitro concentrations would certainly interested hearing comments New Scale Racing Engine Toledo show March saw first versions OPS 15 Several hobby dealers Chicago area have stocked engines competitors actively using under racing conditions Heretofore Scale Racing event dominated either Rossi Nelson 15 five competitors saw recent Rockford IL Aero Modelers Meet used engines competition OPS has incorporated Schnuerle porting along ABC piston sleeve de sign ball-bearing shaft cast piston high sili 0 ~YI --4-0 152 Model Aviation k 1913 BLERIOT WITH V 56 IN WINGSPAN 451 tSEIM1 COMPLETE KIT LESS Whttcnstirt b MOSP 00 UU 0 Buckeye Balsa supplies AAA quality balsa certified aircraft plywood line kits Aero Composites Kitty Hawk Models Mr Gs Dave Platt RIC Kits Mfg VK Models & hobby shops Now bulk orders can save 25% ordering direct Send $1 catalog PrIce applied first order SAMPLE PRICES Balsa ill 6x2x36 Balsa 3116x3x48 Plywood 3132x6x1 2 Bass Sheet 1 18x3x24 Spruce 3/1 6x311 6x48 List Price 61 202 147 138 47 cost 46 152 110 104 35 Minimum Net Order $50 No shipping COD charges $100 minimum order N 5969 Left well Road PO Box 174 canfield Ohio 44406 hats off cant ship until get order Choose design red R black B royal blue DI sky blueS caps fits Only S6 postpaid 4 S20 Christen Eagle BCE Corsair BF4Fortress B17 Lightning 638Liberator B24 Warhawk B40Mitchell 625 Mustang B51Superfortress B29 Spitfire BSPPhantom BP4 Sabre 686Tomcat B14 Dozens catalog send SASE Send check money order Flightline Shirts Etc Department MA 1781 Johnmark Circle Grants Pass OR 97526 Name Address lJefZA CL Aerobatics/Paul Continued page 70 still using last E-Z Just handle better inspect 10 flights see cable still intact several crash-and-burns have attributed E-Z Just cables parting inside handle pulling cable back through handle can inspect Attach handle some hooks pull hard see everything alright Whatever type handle using now make certain inspect cables very often Whew whole column prepar ation before actual flight Im still home flight box have actually gone Out back yard air plane helper practiced starting engine basic basics sure looks easy fliers until get knack knowing what what signs observe engine can some long flipping sessions field circle friends impatiently tapping feet back yard fill tank get everything set up proper engine start can still visualize some fliers 1981 Nationals couldnt get engines started talking Max 35s ST 46s some radical mill altered timing rear exhaust ball-bearing needle valves dont get bump revolve prop wont start doesnt bump either dont have fire hole dont have fuel What kind glow plug using brand style Most fliers now using idlebar shielded plugs prevent plugs loading up during initial part flight engine running its richest would ever try run ST 46 Max 40 45 FSR HP 40 idle-bar plug what you have occasional lean run up around 9000 rpm Well think its good idea replace plug new after really lean run past Ive trouble plugs after really hot run Since still home learning start engine make certain fire starting going work Lots people now using GloBee starting unit gave up faithful l-4z volt battery after Ed Robbert kept after two years get modern surefire way get plenty juice glowplug course former World Cham pion Bob Gieseke still uses - volt dry cell battery gets one-flip starts time Make certain wire leads good shape connections soldered Before start flip prop stop mo ment think about last session flying time assuming good needle setting weather hotter colder lot humidity getting dark corresponding drop temperature factors should influence preset needle valve time As temperature gets colder humidity goes up need open up needle valve As temperature gets hotter need turn needle valve Another factor remember have changed props fuel nitro percentage will have SIZE IllS x A12 i/32x6 1132x 1I 1/axia Retail 79/bag SIZE AMY/BAG *2-56 12 #3-4812 #4-4012 #6-3212 retail 79/bag SIZE AMY/BAG #2-564 #3-464 #4-404 *6-32 4 Retail 79/bag SIZE AMY/BAG #212 #312 #412 #612 #a12 SIZE AMY/BAG #212 #312 #412 #612 #612 SIZE AMT/BAG #212 #312 #412 #612 #612 Remember Aerotrend source fine modeling hardware also offer complete line wood fiber glass field caddies other acces sories Send SASE free catalog todayDEALERS INVITED ERO TREND PRODUCTS 44w Prospect St New Haven CT06515 Tele 203-397-3755 October 1982 153 mation Gazette can received writing totheNationalControlLineCoalition7071 Second Street Davis CA 95616 Ifanyofyou racers outthere would liketoseea ___ subject discussed column please contact following address John C Ballard H liii 11W II fl 10102 Kimblewick Dr Louisville KY 40223 CityState ZipDesignCap Color
Edition: Model Aviation - 1982/10
Page Numbers: 69, 150, 151, 152, 153
Control Line RA CING John Ballard RACiNG PROPELLERS comes Control Line Racing nothing beats epoxy fiberglass epoxy/graphite-fiber propeller wood propellers fine proximity aircraft surface plus surface contam inants such loose gravel surface imperfec tions cracks overzealous pit men will result quick breakage hardestwood propeller knowledge about three individuals producing satisfactory propel lers both Rat Race Slow Rat Scale Racing sport race old adage certainly true whats up front counts Poor selection improper preparation propeller can result 15-30mph difference air speed addition unbalanced propeller can cause premature bearing failure develop vibration throughout aircraft causing additional problems Most fiberglass props must prepped before use readying fiberglass propeller first item business remove flashing center hub hub must centered propeller runs true perpendicular shaft accurate pitch readings will recorded both blades next step clean up propeller run pitch stations cuff tip recording figures both blades addition pitch station usually measure thickness blade An overly heavy blade will need lightened prior installation aircraft After filing propeller desired pitch both blades find Rat Race Scale Race propellers tip should generally ap proximately 030 050 thick increase around 060 090 about third through fifth sixth pitch stations thinness allows propeller flex slightly find can also add slight bit extra pitch last two stations before tip improve speed per formance airplane overworking engine high rpms basic testing propellers usually make up about three four same type propeller various lengths generally try get pitch aimost identical start reducing diameter blade quarterinch segments see speed increases find no speed increase use full diameter reduce pitch thin blade approxi mately another 005 extremely important propeller balanced initially installed Continued page 150 October 1982 69 3 separate types tlberglass/carbon-Tlber racing propellers Shadow Racing Ocala FL makes left Bill Hughes Baling brook IL makes paddle-wheel-type center Vic Garner Livermore CA uses old Tornado presswood design right several types prop balancers osiances tne snart two knife-edge wheels side minimum friction has extendable legs use props up 10-In diameter K&W pitch gauge used measure prop pitch second station tip prop hub and/or hole square measured pitch will very dramatically blade blade three venturis used OPS 15 L R stock unit 180-die hole opened-up unit approx 325-In hole wide-open unit approx 375 hole Read about flight tests column Youll have experiment various throat sizes find best 7J7 GLOW lireball PLUGS S Blow Proof Seal OSix Types 3 Heat Ranges 0 Longer Life S Flash Starting Only $120 SWANSON PO Box 151 W70W Since 7948 Wayne NJ 07470 ** ** * * *** ***** **** * **it *WANDITTM * Dealers Invited * * lane year warrOfltj. * * CORD * *Wetarory * Stick Abrasives *A Keen Machine gives exceptional *sandog cootrel eccellent finish. * *89~ Basic mcI 1 flat Wand 1 eachit * 6 gritsit *10895 Builder Special mcI 2 flat 1 hall * und wand 5 6 grits *1 29~ Delave includes 3 flat 2 half * nd wands buff wands * 6 grits.it * *Additional Wands Abrasues availahleit * e year local hobby shopit * ADOIS ELMOREEve No r2l41 288 5789it *P0 Boy 266 uite Texas 75149it * maxincluding model specifications fly ing style pitwork andjudges tactical flierwill never give advantage due sportsman ship want see latest sort thing have look rules changes supposed plug loopholes make sports man out FAI would give air points flying model case line tangle its flying upright level As stands now get line tangle opponent goes ground advantage keep him untangling lines because youre getting air points hes get ting minus points wrap punch man past years has replaced mid-air artist circle specialist latter put out business new method starting combat models about 1800 apart rule theres plus minus side tactical flier sees benefit new rule saw match won World Championships 1978 pilot took time trying get separated other pilot time took off stayed right guys tail until circle mar shall chased him off whistle sounded begin combat just landed Three such flights 45 air points needed wrap up match giving opponent chance streamer Its harder now PAl because minus pointsbut very easy Slow Fast seems like rules have tighter theyre worded chance get around As used say Theres ruleand nobody knows what philosophy sure would save printing costs rule books too took about week everyone get Gordon Delaneys trick long venturi sure beats intent rule about having board tank What needed rule about having outboard venturi/spraybar what its about anyway old inboard tank changed lateral balance model too re quiring additional tip weight didnt want model visiting center circle latest rules allow notch wing clear tank 5-in nose moment can retained sufficient quantity fuel five minutes fuel outboard fuse lage center line aid line tension Probably choke some sort should used make ground running little consistent using bag tank wide-open venturi may possible see real 100 mph times Slow Combat also increase possibility event becoming popular Slow Rat thats inside joke other seven Slow Rat fliers left country youre going experiment venturis figure best area start 320 sizebut several holes through venturi can put spraybar different heights Thats sure lot easier try ing add remove shims under tank tap set holes can use short threaded plugs seal off openings being used guess ultimate will threaded ven turi infinite adjustment Charlie Johnson 3716 Ingraham St San Diego CA 92109 CL Racing/Ballard Continued page 69 engine also periodically afterwards because nicks scratches physical deformation hub being tightened repeatedly Addi tionally always good idea remove propeller after days flying give thorough examination cracks splits es pecially around hub area out near tips Since Midwest flying area generally undated high-humidity high-temperature weather usually pick selection different types propellers varying pitches depend ing upon conditions particular day have noticed several competitors making notes concerning temperatures humidity pro peller ran best future conditions meet already-established criteria theo retically propeller shouldbe logical choice Venturi carburetor openings have asked times about proper hole size ven turi carburetor openings Certainly size type engine has optimum size carbure tor opening produce maximum power steady performance performance differ ence recently-introduced OPS 15 its stock venturi opened 325 375 will result rpm gains 2500 range stock venturi very small about 180 stand performance difference three venturis considerable should cer tainly evaluated under flying conditions Installing engine airplane found good 25 mph extra performance could achieved switching very small ven turi very large However found larger venturi caused surging engine operated maximum rpms conse quently dropped back size approxi mately 325 opening resulted some slight loss airspeed much steadier run No-nitro fuel nitro now prices ap [NEW FUEL fuel B1ue Flame gives youedge performance BLUE FLAME fuels made highest quality ingredients give engine Best Performance Longest Life No COD FOB Englewood Check Chargecard Money Order Only Send FREE Catalog Shipping Cost Per Case UPS Call UPS zone 2- 428 3-513 4-630 5-759 6-946 7-1148 8- 1376 IAMPDEN ENGLEWOOD CO 80110 PHONE 303 789-9411 150 Model Aviation Get install dont take off Ken Willard RCM SERVO GARD SERVO GARD monitors airborne flight battery pack voltage well radio signal received transmitter receiver malfunction detected part system SERVO GARD reduces throttle automatically ample vime before battery failure safely land model SPECIFICATIONS Size unit installed KPS-14 servo case foreasy installation Just plug throttle servo output Weight Approx 1 oz Sensitivity Accurate within 02 Volts Servo Putse Unit shipped positive pulse systems negative pulse available upon request SERVO GARD comes complete prewired pigtails servo connectors choice installed specify connector type order SEE YOUR DEALER OR ORDER DIRECT DEALER INQUIRIES IN VI TED Price $3795 Postpaid Specify connector type positive negative pulse ordering ENDORSED BY THE SPIRIT OF AMERICA SHOW TEAM LIMA OHIO R F Enterprises 106 N Main St Arlington 01-145814 419 365-5360 Made wIth blend synthetic castor beat posibIe lubrIcation Detergent actIon to cut varnish mufflet Drum 4 Gallon Case MIX OR MATCH PERGALLON 5%$535Write 10%$605call 1e/eS70 latest American-Made Fox new 60 engine powerful 60 pro duced USA quite possibly world Its massive construction has beef day day out runningYou will like work horse active flying #26500 $12500 R C Fox 78 RC will fit aircraft designed 60 engines yet its big 1 bOre 1 stroke will give - gg extra torque scale models need latest model 78 RO has modified run well straight alcohol castor oil no loss power Hxt [me 15011 646-1656 MANUFACTURING CO 5305 Towson Ave Fort Smith Arkansas 72901 #27800 $12500 proximately $30-540 per gallon cost 50%-70% nitro fuel fast becoming major fi nancial consideration Slow Rat Rat Racing circles two preliminary 70-lap heats 140-lap final will burn almost 1 quarts gasincluding warm-ups etc Rat tank holds just over 5 oz afternoon practic ing can easily use 1 gallons gas testing vari ous propeller/engine combinations has much discussion about fuel 10 racing competitions have attended summer rule mandate use FAI fuel 80% methanol 20% oil gaining popularity course variety prob lems using type fuel Certainly con tests sponsors will charge competitor through entry fees supply fuel Racing events Policing situation during contest distributing fuel competitor would certainly have dealt another avenue thought permeating some conversation Possibly using lower nitro content say 15% 30% using lesser amount new high technology oil say 6 10% oil could get performance now get 60% nitro 20% oil blended fuel Apparently has some testing theory favorable results am certain readers would interested anyone has tested theory either positive negative results have tried mixing fuel 50% -4BOyThE 0rAPErlTloN C3-T5 OUE FVER y Non Warranty Repair Service Kraft Futaba Electronic RIO Equipment 204 N StoneEZGreenwood MS 38930 Telephone 601453-1699 October 1982 151 nes Run No-Nitro Fuel THE FOX EAGLE III HOT STUFFM VIDEOTIPS FREE FOR UP TO 60 DAYS ONE HOUR VHS CASSETTE CLUB MEETINGS HOBBY SHOPS DISTRIBUTORS ORGANIZATIONS $3000 refundable doslt requIred order Send name address phone check Satellite City PO Box 836 Simi CA 93062 TL%Ilt &48Am $9900 VIsA DELIVERED Four Folding Legs Wing & Fuselage Holders Add $400 Shipping calif 6% Tax RAC Products408 274-1915 3200 Knightswood Way 0 San Jose CA 95148 / xx THE HEAD LOCK NEW STANDARrI K fl FOR GLOW PLUG CONNECTORS CHECK THESE FEATURES LPush twist its locked $375 2 Push twi5t itS f 3WjH ovoriteCOfl off under heavy hobby deajerengine vibrats. 4WIII not wedab e rtd rid 50d $ outsdeLSJ short Out 5 Positive spring contact 6 30 inch lead wire MODEL PRODUCTS CORP 60% nitro oil incompatible have also tried mixing oil small amount acetone coupling solvent system has worked limited success idea reduce amount oil keep nitro same thus improving performance engine seems just above 30% nitro oil becomes somewhat incompatible system BOX 314 Pompton Plains NJ07444 Ii cone alloy fairly beefy rod engine seemed start very well piston-to-liner fit excellent factory addition seem totake large amounts ofSO70% nitrocom fortably Certainly availability engine seems no problem competitors start trying various size design propellers head configurations speed should competitive other engines National Control Line Coalition de mise CL-RPM newsletter authored ToodlesandChop Dr LairdJacksonhasorches trated production National Control Line Coalition GazetteNCLC purpose Gazette act sounding block re spective authors expound rule changes evaluate performance competitors Racing Combat Team Race Speed Infor New Oil call Vic Garner Cali fornia indicating Mr Dick McCoy ofC&H Incorporated selling new McCoy racing oil use airplanes cars could incorporated much lower concentration normal Dick indicates product sheet 8-10% oil produces adequate lubrication Typi cally average Racer uses 2023% oil have tried some oil 25% nitro does indeed lubricate satisfactorily 10% level quick analyticai check indicated prod uct bean oil very similar nature oil put out Delta Manufacturing Company Lori mori IA anyone has tried either oils higher nitro concentrations would certainly interested hearing comments New Scale Racing Engine Toledo show March saw first versions OPS 15 Several hobby dealers Chicago area have stocked engines competitors actively using under racing conditions Heretofore Scale Racing event dominated either Rossi Nelson 15 five competitors saw recent Rockford IL Aero Modelers Meet used engines competition OPS has incorporated Schnuerle porting along ABC piston sleeve de sign ball-bearing shaft cast piston high sili 0 ~YI --4-0 152 Model Aviation k 1913 BLERIOT WITH V 56 IN WINGSPAN 451 tSEIM1 COMPLETE KIT LESS Whttcnstirt b MOSP 00 UU 0 Buckeye Balsa supplies AAA quality balsa certified aircraft plywood line kits Aero Composites Kitty Hawk Models Mr Gs Dave Platt RIC Kits Mfg VK Models & hobby shops Now bulk orders can save 25% ordering direct Send $1 catalog PrIce applied first order SAMPLE PRICES Balsa ill 6x2x36 Balsa 3116x3x48 Plywood 3132x6x1 2 Bass Sheet 1 18x3x24 Spruce 3/1 6x311 6x48 List Price 61 202 147 138 47 cost 46 152 110 104 35 Minimum Net Order $50 No shipping COD charges $100 minimum order N 5969 Left well Road PO Box 174 canfield Ohio 44406 hats off cant ship until get order Choose design red R black B royal blue DI sky blueS caps fits Only S6 postpaid 4 S20 Christen Eagle BCE Corsair BF4Fortress B17 Lightning 638Liberator B24 Warhawk B40Mitchell 625 Mustang B51Superfortress B29 Spitfire BSPPhantom BP4 Sabre 686Tomcat B14 Dozens catalog send SASE Send check money order Flightline Shirts Etc Department MA 1781 Johnmark Circle Grants Pass OR 97526 Name Address lJefZA CL Aerobatics/Paul Continued page 70 still using last E-Z Just handle better inspect 10 flights see cable still intact several crash-and-burns have attributed E-Z Just cables parting inside handle pulling cable back through handle can inspect Attach handle some hooks pull hard see everything alright Whatever type handle using now make certain inspect cables very often Whew whole column prepar ation before actual flight Im still home flight box have actually gone Out back yard air plane helper practiced starting engine basic basics sure looks easy fliers until get knack knowing what what signs observe engine can some long flipping sessions field circle friends impatiently tapping feet back yard fill tank get everything set up proper engine start can still visualize some fliers 1981 Nationals couldnt get engines started talking Max 35s ST 46s some radical mill altered timing rear exhaust ball-bearing needle valves dont get bump revolve prop wont start doesnt bump either dont have fire hole dont have fuel What kind glow plug using brand style Most fliers now using idlebar shielded plugs prevent plugs loading up during initial part flight engine running its richest would ever try run ST 46 Max 40 45 FSR HP 40 idle-bar plug what you have occasional lean run up around 9000 rpm Well think its good idea replace plug new after really lean run past Ive trouble plugs after really hot run Since still home learning start engine make certain fire starting going work Lots people now using GloBee starting unit gave up faithful l-4z volt battery after Ed Robbert kept after two years get modern surefire way get plenty juice glowplug course former World Cham pion Bob Gieseke still uses - volt dry cell battery gets one-flip starts time Make certain wire leads good shape connections soldered Before start flip prop stop mo ment think about last session flying time assuming good needle setting weather hotter colder lot humidity getting dark corresponding drop temperature factors should influence preset needle valve time As temperature gets colder humidity goes up need open up needle valve As temperature gets hotter need turn needle valve Another factor remember have changed props fuel nitro percentage will have SIZE IllS x A12 i/32x6 1132x 1I 1/axia Retail 79/bag SIZE AMY/BAG *2-56 12 #3-4812 #4-4012 #6-3212 retail 79/bag SIZE AMY/BAG #2-564 #3-464 #4-404 *6-32 4 Retail 79/bag SIZE AMY/BAG #212 #312 #412 #612 #a12 SIZE AMY/BAG #212 #312 #412 #612 #612 SIZE AMT/BAG #212 #312 #412 #612 #612 Remember Aerotrend source fine modeling hardware also offer complete line wood fiber glass field caddies other acces sories Send SASE free catalog todayDEALERS INVITED ERO TREND PRODUCTS 44w Prospect St New Haven CT06515 Tele 203-397-3755 October 1982 153 mation Gazette can received writing totheNationalControlLineCoalition7071 Second Street Davis CA 95616 Ifanyofyou racers outthere would liketoseea ___ subject discussed column please contact following address John C Ballard H liii 11W II fl 10102 Kimblewick Dr Louisville KY 40223 CityState ZipDesignCap Color