RADIO CONTROL PYLON RACING J P Hanway Thompson Trophy Racer called Firecracker entered years USRA race next months column FOR THE LAST couple months have featured series Dave Doyle well racing hope has helped some better understand what takes win Pylon Racing Move Up Standings last present series help articles have comments questions want information please write will get answer publish questions answer just returned Nats find rough draft part III printed before Nats needed some serious help interviewed some fastest pilots various events found variety fact spice life comes finding best needle setting impossible cover varieties needle-setting techniques can say engines appear quite versatile definitely way get run hard Setting needle correctly will provide optimum power available engine Note say correctly lean can recall hearing Richard Verano exclaim rich run after turning 105 Formula I have heard same thing fliers suggesting perhaps could have gone faster setting little leaner Well just maybe likely run would have good would have put hard time engine have never heard pilot exclaim lean run turned 105 click rich ideal setting will produce good hard run setting click lean will overheat engine slow down shorten its competitive life method required obtain optimum needle setting varies greatly engine class engine class particular engine setup within class Formula seems hardest due number variables involved greatest deterrents good needle setting running prop thats too big trying run engine broken needle will easier set run engine lightly loaded well broken new engine may act erratic unsteady until has few runs K&B 4011 used NEPRO must have about half-gallon fuel run through rich side before will take racing setting Once K&B broken still must take care setting needle engine should never leaned peak needle will make engine too hot will slow down come back unless cooled running very rich 15 seconds should use good tach panel meter best results digital tach will give same information fast enough because updates its readings less often meter tach Start engine rich side lean slowly until rich two-cycle point engine installed 450 angle down lean needle slowly click time pinch fuel line pressure line pinching pressure line leans engine slowly see rpm engine has full lean Once have reached point engine will raise 100 rpm pinching stop test fly engine loose may able go off just below peak mount engine straight up must set needle same way leave 200 rpm pinch Once engine set correctly should able leave needle set position rest day provided change propellers weather doesnt change much have right engine should gradually rise final running rpm itself Remember engine slightly different careful practice will get January1996 115 ACCULAB ELECTRONIC DIGITAL SCALES Fourteen brand new high-tech models available weigh both grams ounces Graduations 2 ounces 001 grams Ca pacities 1/2 110 lbs have tare operate AC bat teries Most include AC adaptor Ten models under $300 under $100 Send #10 SASE $1 scale brochures MC/Visa Champion Model Products 880 Carmen Ct Unit La Verne CA 91750 simply call 909 599-3348 optimum setting Once go too lean engine will probably run strong AMA Quickie engines can needled about same way leaving 200-600 rpm between setting full lean Quickie engines also seem bold setting further adjustment day provided change prop weather does change too much brass liner seems little easier needle little forgiving aluminum pilot advised set needle very close peak closed throttle about halfway until just few seconds before flag did run harder overheating line Engine position seems affect needle engine head horizontal need back down head down 450 angle Quarter Midget 40 can needled same way leaving between 1200 2000 rpm depending prop rpm very first flight airplane tried set up very rich slow run could trim model found QM-40 richer faster sounds good line way too lean QM-40 must back out needle about half turn time start engine prevent being subjected lean start pilot advised kept finger over exhaust until engine heated did open needle has same effect opening needle sends fuel engine startup FAI engines reported easy setthat once setup correct word advice prop engine rpm up over 26000 Start engine rich setting keep clips glow plug lean engine until pipe about ten seconds go lean peak immediately back off until engine crackles pull lead see setting holds engine falls off pipe reattach glow driver lean slightly Take leads off again setting holds let go Formula holds interest because challenging First Formula engines seem have own personality Liner material pipe length prop rpm nitro content head clearance weather play part Now know will disagree article Some will say always set up 009 head clearance others will say set R/C Combat Gremlin RCM 12/92 Affordable Corn poter rot Custom Corer foe Modelorn Modelers Combat Crrutlion Cores $12 Short hits $20 paorros ro wood Foil hits sIt wood prerot $35 Cowbat ortoslebre esoS ohootfoll hit Upgrade yoot fliden totroordiote tend new trio6 5302t SLt7S37 Geotis Lady Spirit 2M fstt linrirdes wood wiog hits $35 Dodgeto laeson 25 Qoickse $00 rorss$S pee poir Potteroros 3 thick wings 48 porn $50 4 thick $65 lortodes stabs Let Os yoor nest nob pwject Msnofotttnren inqninieslovited ondees add $5 S&H COOn odd $6 odditireol Contattos osthsinteeeetfotnotteotosdrontowmotororotesgworldstdcotr RA Cores yO Ron 563 Snrthhidge MA 0t550 1506 765-9998 up 014 head clearance can however will have change needling techniques engine engine order get performance some information try get started needling same time adjusting engine setup works decide yourself First needling techniques strive Start engine rich setting pits cheek cowl find engine peak engine fully warmed up Back needle out /2 turn shut down go fly leave needle out 1/2 turn start engine Let warm 30 seconds needle /2 turn open turn needle about turn watching tach rpm continues rise toward peak back needle out /s turn continues climb back out another /8 until engine rpm stabilizes looking steady rpm does rise fall amount down peak secondary system So now ask what system does work engine rpm does rise at first turn-in needle head spacing probably too high Drop 002 try again engine jumpy needle needs head clearance faster prop Raise head 002 time until condition goes away have seen head spacings An overcompressed engine too-big prop will cause detonationnoticeable sandblasted appearance head Some say happens time change head way set Formula engine Humidity temperature prop rpm well shape nitro content fuel barometric pressure ground elevation condition engine have bearing needle setting Practice experimentation get setup So until meet next contest practice break set needle power move up standings Thanks Dave After Nats made trip Galveston Texas just finishing week racing bigger RC airplanes fact entered airplane new Thompson Trophy Class Due schedule change years Nats too late fly too late see finals Wow What good job guys did should have complete rundown next issue Model Aviation AR SANDER 2 RIBS FOR EASIER HANDLING 2 112 WIDE ALUMINUM EXTRUSION GREAT FOR SAND ING WING RIBS FUSELAGES AND BOAT HULLS ABRASIVE ROLLS PRESS-ON 7 YDS 2 1/2 WIDE JUST PEEL AND STICK ON T BAR SANDER OR ANY OTHER SANDING BLOCK MINI DRILL cgp clip12DR1LL552T074 7STORED IN PIN VISE ____5Peas1 QUALITY POCKET CLIP HIGH SPEED STEEL ____ NO 378 $800 SET MICRO CASSETTE SELF STARTING BLOW TORCH TORCH bRkS WITH ORDINARY aGARETTE UGHTER 2300F11300C PERFECt PIN-POIHT FLA&E ONFF &FEr SWITCH WINDPROOF SELF STARliNG SY PUSHING BIJITON l MT772 W/LIGHTER $1350s EASTERN TOOL & SUPPLY CO 149 GRAND STREEr NEW YORK Crnt NY 10013 1-212-226-3749 ORDER FAX 1-212-925-1010 INCLUDE $450 POSTAGE OR $850 COD CATALOG 5300 OR FREE WITH ORDER
Edition: Model Aviation - 1996/01
Page Numbers: 115, 116
Edition: Model Aviation - 1996/01
Page Numbers: 115, 116
RADIO CONTROL PYLON RACING J P Hanway Thompson Trophy Racer called Firecracker entered years USRA race next months column FOR THE LAST couple months have featured series Dave Doyle well racing hope has helped some better understand what takes win Pylon Racing Move Up Standings last present series help articles have comments questions want information please write will get answer publish questions answer just returned Nats find rough draft part III printed before Nats needed some serious help interviewed some fastest pilots various events found variety fact spice life comes finding best needle setting impossible cover varieties needle-setting techniques can say engines appear quite versatile definitely way get run hard Setting needle correctly will provide optimum power available engine Note say correctly lean can recall hearing Richard Verano exclaim rich run after turning 105 Formula I have heard same thing fliers suggesting perhaps could have gone faster setting little leaner Well just maybe likely run would have good would have put hard time engine have never heard pilot exclaim lean run turned 105 click rich ideal setting will produce good hard run setting click lean will overheat engine slow down shorten its competitive life method required obtain optimum needle setting varies greatly engine class engine class particular engine setup within class Formula seems hardest due number variables involved greatest deterrents good needle setting running prop thats too big trying run engine broken needle will easier set run engine lightly loaded well broken new engine may act erratic unsteady until has few runs K&B 4011 used NEPRO must have about half-gallon fuel run through rich side before will take racing setting Once K&B broken still must take care setting needle engine should never leaned peak needle will make engine too hot will slow down come back unless cooled running very rich 15 seconds should use good tach panel meter best results digital tach will give same information fast enough because updates its readings less often meter tach Start engine rich side lean slowly until rich two-cycle point engine installed 450 angle down lean needle slowly click time pinch fuel line pressure line pinching pressure line leans engine slowly see rpm engine has full lean Once have reached point engine will raise 100 rpm pinching stop test fly engine loose may able go off just below peak mount engine straight up must set needle same way leave 200 rpm pinch Once engine set correctly should able leave needle set position rest day provided change propellers weather doesnt change much have right engine should gradually rise final running rpm itself Remember engine slightly different careful practice will get January1996 115 ACCULAB ELECTRONIC DIGITAL SCALES Fourteen brand new high-tech models available weigh both grams ounces Graduations 2 ounces 001 grams Ca pacities 1/2 110 lbs have tare operate AC bat teries Most include AC adaptor Ten models under $300 under $100 Send #10 SASE $1 scale brochures MC/Visa Champion Model Products 880 Carmen Ct Unit La Verne CA 91750 simply call 909 599-3348 optimum setting Once go too lean engine will probably run strong AMA Quickie engines can needled about same way leaving 200-600 rpm between setting full lean Quickie engines also seem bold setting further adjustment day provided change prop weather does change too much brass liner seems little easier needle little forgiving aluminum pilot advised set needle very close peak closed throttle about halfway until just few seconds before flag did run harder overheating line Engine position seems affect needle engine head horizontal need back down head down 450 angle Quarter Midget 40 can needled same way leaving between 1200 2000 rpm depending prop rpm very first flight airplane tried set up very rich slow run could trim model found QM-40 richer faster sounds good line way too lean QM-40 must back out needle about half turn time start engine prevent being subjected lean start pilot advised kept finger over exhaust until engine heated did open needle has same effect opening needle sends fuel engine startup FAI engines reported easy setthat once setup correct word advice prop engine rpm up over 26000 Start engine rich setting keep clips glow plug lean engine until pipe about ten seconds go lean peak immediately back off until engine crackles pull lead see setting holds engine falls off pipe reattach glow driver lean slightly Take leads off again setting holds let go Formula holds interest because challenging First Formula engines seem have own personality Liner material pipe length prop rpm nitro content head clearance weather play part Now know will disagree article Some will say always set up 009 head clearance others will say set R/C Combat Gremlin RCM 12/92 Affordable Corn poter rot Custom Corer foe Modelorn Modelers Combat Crrutlion Cores $12 Short hits $20 paorros ro wood Foil hits sIt wood prerot $35 Cowbat ortoslebre esoS ohootfoll hit Upgrade yoot fliden totroordiote tend new trio6 5302t SLt7S37 Geotis Lady Spirit 2M fstt linrirdes wood wiog hits $35 Dodgeto laeson 25 Qoickse $00 rorss$S pee poir Potteroros 3 thick wings 48 porn $50 4 thick $65 lortodes stabs Let Os yoor nest nob pwject Msnofotttnren inqninieslovited ondees add $5 S&H COOn odd $6 odditireol Contattos osthsinteeeetfotnotteotosdrontowmotororotesgworldstdcotr RA Cores yO Ron 563 Snrthhidge MA 0t550 1506 765-9998 up 014 head clearance can however will have change needling techniques engine engine order get performance some information try get started needling same time adjusting engine setup works decide yourself First needling techniques strive Start engine rich setting pits cheek cowl find engine peak engine fully warmed up Back needle out /2 turn shut down go fly leave needle out 1/2 turn start engine Let warm 30 seconds needle /2 turn open turn needle about turn watching tach rpm continues rise toward peak back needle out /s turn continues climb back out another /8 until engine rpm stabilizes looking steady rpm does rise fall amount down peak secondary system So now ask what system does work engine rpm does rise at first turn-in needle head spacing probably too high Drop 002 try again engine jumpy needle needs head clearance faster prop Raise head 002 time until condition goes away have seen head spacings An overcompressed engine too-big prop will cause detonationnoticeable sandblasted appearance head Some say happens time change head way set Formula engine Humidity temperature prop rpm well shape nitro content fuel barometric pressure ground elevation condition engine have bearing needle setting Practice experimentation get setup So until meet next contest practice break set needle power move up standings Thanks Dave After Nats made trip Galveston Texas just finishing week racing bigger RC airplanes fact entered airplane new Thompson Trophy Class Due schedule change years Nats too late fly too late see finals Wow What good job guys did should have complete rundown next issue Model Aviation AR SANDER 2 RIBS FOR EASIER HANDLING 2 112 WIDE ALUMINUM EXTRUSION GREAT FOR SAND ING WING RIBS FUSELAGES AND BOAT HULLS ABRASIVE ROLLS PRESS-ON 7 YDS 2 1/2 WIDE JUST PEEL AND STICK ON T BAR SANDER OR ANY OTHER SANDING BLOCK MINI DRILL cgp clip12DR1LL552T074 7STORED IN PIN VISE ____5Peas1 QUALITY POCKET CLIP HIGH SPEED STEEL ____ NO 378 $800 SET MICRO CASSETTE SELF STARTING BLOW TORCH TORCH bRkS WITH ORDINARY aGARETTE UGHTER 2300F11300C PERFECt PIN-POIHT FLA&E ONFF &FEr SWITCH WINDPROOF SELF STARliNG SY PUSHING BIJITON l MT772 W/LIGHTER $1350s EASTERN TOOL & SUPPLY CO 149 GRAND STREEr NEW YORK Crnt NY 10013 1-212-226-3749 ORDER FAX 1-212-925-1010 INCLUDE $450 POSTAGE OR $850 COD CATALOG 5300 OR FREE WITH ORDER
