Control Line Racing John Ballard NOISE PROBLEMS Racing events key topic month Over past few months have received several letters inquiries suggestions might have concerningabating noise pollution Control Line Racing aircraft Obviously ignore complaints public law-enforcement officials will forthcoming club Racing fraternity loses another flying site As towns cities grow larger rural concrete asphalt schoolyards become surrounded shopping centers housing subdivisions single- well multiplefamily dwellings noise complaints soon eliminate use site model aircraft Since decently-surfaced flying sites Racing extremely limited affirmative action must taken minimize noise level Periodically articles printed ModelAviation concerning use mufflers attendant reduced decibel levels subsequent reduction power engines recently attended contest hosted Western Associated Modelers WAM have using mufflers Racing events muf flers have required WAM Racing events over 10 years am enclosing photo excellent level flying site California Bob Kerr taller pilot flying Bob Wickam during recent CL meet will notice homes condominiums church adjacent flying sitewith no complaints neighbors observing mufflers used WAM have noticed set specifications followed event muffler required muffler checked make sure its specifications have followed its just ornamental straight pipe saw mufflers Slow Rats Fast Rats Scale Racing engines have asked some Racing colleagues California area send muffler specifications various Racing events will publish drawings column MI-in-one protective helmet WAM pit men required wear protective helmet Racing events noticed apparently took care several requirements once particular helmet contained glow-plug bat tery connecting wire running down wearers arm fingers fuel bottle opposite side also miniature loudspeaker mounted top through could call pilot pit stops Proper pitting sequence Mouse Racing have asked several occasions whether feel difference between one-man two-man pit crew Mouse Racing respect amount time spent pit during Racing conditions have two photo graphs month showing one-man twoman pit crews action first thing must understand Mouse Race aircraft well engine small very easy overzealous pit man become thumbs during routine pit stop attaching variety wires glow plug contact plate side fuselage one-man pit crew possible Unfortunately little engines sensitive starting backwards critical needle valve adjustments using 50%-60% nitromethane one-man crew opinion cumbersome Two-man crews much better pit man starting engine usually fuels tank other pit man holds airplane securely attaches battery single pit man needs fairly ambidextrous fuel engine proper amount prime wind prop spring starter apply current battery-contact plates holding model same time merits/problems one- two-man pit crews Mouse Racing discussed coiumn John Ballard favors two-man crewforthisevent becausethe plane engine smaii hard work youre hurry Henry Nelson has modified Supertigre X40 X36 Slow Rat engine Ballard thinks good contender 87 Performance new Nelson/Supertlgre 35 have numerous inquiries concerning performance Supertigre X40 modi fied Henry Nelson X35 Larry Dziak Wiz first campaign engines during summer 1986 able get some fairly outstanding perform ances will recall Nats engine backfired set airplane afire thereby foiling Larrys chances win using new engine Since time Nelson Products has produced several modified X35s have obtained particular unit has ABCstyle down-sized piston liner Henry also Continued page 182 May1987 75 Western Associated Modelers WAM fiy mufflers ail Racing eventsthats can keep fiying sitethats thia nearto housesl Bob Kerrand Bob Wickham have Fast Rat Photo taken AAA meet get message WAM requires pit men wear hard hat has specini added features ignition battery fuei bottle microphone ioudspeaker taiking pliotl some kinda-good good news bad news cheap fuels gasoline -type did work satisfactorily both suction pressurized tank systemsjust expected kinda good news arrived good allaround sport fuel $13 per gallon wasnt exactly cheap mix 35% MEK 35% methanol 15% nitromethane 15% propylene oxide Nitro prop readily available Charlie kept touch over next few months continued discuss fuel situ ation meantime made few calculations fuel-mix flammability range decided methanol-MEK mix high percentage alcohol might give us fuel looking Charlie came back Houston about six months after first session set up shop again did take long before hit 80% methanol 20% MEK mix Much sur prise got 0010 range metering jets suction pressure tanks both upright sidewinder models engine runs steady strong cases now good sport fueland cost about $4 per gallon uprights slightly harder start sidewinders because longer vertical fuel draw anyone has built flown uprights familiar technique tilting plane make engine easier start accomplished nearly goals goal left unchecked effect weather have checked fuel under wide variety weather conditions Charlie did have some problems once Dallas didnt have time sort out As recall Charlie said thought humidity high 38 years flying Jets Ive encountered three four times high humidity apparently contributed hard-starting and/or flights lasting few laps anyone runs problem using 80/20 fuel Id suggest adding 10% propylene ox ide reducing MEK 10% 5% have yet test combinations have questions concerning Jet fuels please refer end Speed column Dimmitt s address next bit information concerns neat monoline torque control-unit Jeny Thomas quest design super monoline connection model decided should simple easy construct idea attaching primary flying line stationary point CG model should pass hefty pull tests Dale Kirn* has worked Jerry Thomas project several years feels better mousetrap Jet models constructed Jerry Dale utilizing system fly ex tremely well type system could also applied D Speed models Before mounting bracket anchored model necessary position com ponents such manner determine planes CG secure bracket permanently spot secondary line transfer rod inserted swing arm made 035-in-thick brass material swing arm al lows movement via pushrod elevator horn sure check height dimensions elevator horn critical good Up-Down movement drawings should clarify questions assembling bracket torque line Also would good idea check existing torque units models rust breaks before its too late Jerry also manufactures 080-in-thick Dyna Jet valve retainer allows valve contact retainer through its full range travel available Jerry $12 plus $150 postage handling addresses individuals contributed months Speed Column *Dimmitt Perkins 5619 Stillbrooke Houston TX 77096 *Jerry Thomas 1007 40th Ave NW Puyallup WA 98371 telephone number 206 845-1269 *Dale Kirn 283 N Spruce Dr Anaheim CA 92805 wish thank gentlemen support Speed Column Gene Hempel 301 N Yale Dr Garland iX 75042 CL Racing/Ballard Continued page 75 makes AAC request find engine turns approximately 800900 rpm same propeller good OS 35/ring Slow Rat engine starting capabilities engine well its durability seem excellent ran about 30 min two Slow Rats found its performance least equal 05 35 Unfortunately people have built planes fit OS K&B 35 will have make extensive modifications engine-mounting plate well locations mountingbolt holes Supertigre course heavier engine OS35 bolt-hole patterns two engines completely different cases would suggest building completely new front end existing modelor building totally new airplane utllize Nelson-modi fied Supertigre X35 As racing season unfolds year will keep informed performance custom-made ST X35 Slow Rat engines Pro-Grip control handle March column showed picture special handle time being used Combat circle Racing competitors showed interest heavy-duty unit did know name manufacturer may interested handle ProGrip Control Line handle produced Sagan Industries Inc 36-14 35th Street Long Island City NY 11016 can buy direct $1495 plus$375 shippingandhandiingorlam sure will available purchase local hobby shop As always comments photographs solicited appreciated John C Ballard 10102 Kimblewick Dr Louisville KY 40223 182 Model Aviation AVAILABLE AT AMERICAS FINEST HOBBY SHOPS DISTRIBUTED BY S SMIflflHI NUDE W*ZN8 7550 San Gaboel Road cadeo CA 534 1717 $425 ROUSH KITS TaylorCraft Full span 108 Area 1670 clipped 84 Area 1300 Power 75to1 2ca Balsa&Ply l0-l2lbs $9995 Super Sport 120 Span 73 Area 960 Powar 75 12 Cu $9996 Super Kwik Fli Span 70 Area 927 Power 75 12 cu $8995 Coming Soon Two neti everyday scale airplanes 80 AT-6 78 P-Si 75-120 engines Both $9996 Jr Sticks Span 72 Area 1060 Power 75to 12ca $5995 Direct Sales Only Prices Include Shipping Send $100 Catalog ROUSH MFG 1728 Dyweod St SE Coaton Ohio 44707 210464-0610
Edition: Model Aviation - 1987/05
Page Numbers: 75, 182
Edition: Model Aviation - 1987/05
Page Numbers: 75, 182
Control Line Racing John Ballard NOISE PROBLEMS Racing events key topic month Over past few months have received several letters inquiries suggestions might have concerningabating noise pollution Control Line Racing aircraft Obviously ignore complaints public law-enforcement officials will forthcoming club Racing fraternity loses another flying site As towns cities grow larger rural concrete asphalt schoolyards become surrounded shopping centers housing subdivisions single- well multiplefamily dwellings noise complaints soon eliminate use site model aircraft Since decently-surfaced flying sites Racing extremely limited affirmative action must taken minimize noise level Periodically articles printed ModelAviation concerning use mufflers attendant reduced decibel levels subsequent reduction power engines recently attended contest hosted Western Associated Modelers WAM have using mufflers Racing events muf flers have required WAM Racing events over 10 years am enclosing photo excellent level flying site California Bob Kerr taller pilot flying Bob Wickam during recent CL meet will notice homes condominiums church adjacent flying sitewith no complaints neighbors observing mufflers used WAM have noticed set specifications followed event muffler required muffler checked make sure its specifications have followed its just ornamental straight pipe saw mufflers Slow Rats Fast Rats Scale Racing engines have asked some Racing colleagues California area send muffler specifications various Racing events will publish drawings column MI-in-one protective helmet WAM pit men required wear protective helmet Racing events noticed apparently took care several requirements once particular helmet contained glow-plug bat tery connecting wire running down wearers arm fingers fuel bottle opposite side also miniature loudspeaker mounted top through could call pilot pit stops Proper pitting sequence Mouse Racing have asked several occasions whether feel difference between one-man two-man pit crew Mouse Racing respect amount time spent pit during Racing conditions have two photo graphs month showing one-man twoman pit crews action first thing must understand Mouse Race aircraft well engine small very easy overzealous pit man become thumbs during routine pit stop attaching variety wires glow plug contact plate side fuselage one-man pit crew possible Unfortunately little engines sensitive starting backwards critical needle valve adjustments using 50%-60% nitromethane one-man crew opinion cumbersome Two-man crews much better pit man starting engine usually fuels tank other pit man holds airplane securely attaches battery single pit man needs fairly ambidextrous fuel engine proper amount prime wind prop spring starter apply current battery-contact plates holding model same time merits/problems one- two-man pit crews Mouse Racing discussed coiumn John Ballard favors two-man crewforthisevent becausethe plane engine smaii hard work youre hurry Henry Nelson has modified Supertigre X40 X36 Slow Rat engine Ballard thinks good contender 87 Performance new Nelson/Supertlgre 35 have numerous inquiries concerning performance Supertigre X40 modi fied Henry Nelson X35 Larry Dziak Wiz first campaign engines during summer 1986 able get some fairly outstanding perform ances will recall Nats engine backfired set airplane afire thereby foiling Larrys chances win using new engine Since time Nelson Products has produced several modified X35s have obtained particular unit has ABCstyle down-sized piston liner Henry also Continued page 182 May1987 75 Western Associated Modelers WAM fiy mufflers ail Racing eventsthats can keep fiying sitethats thia nearto housesl Bob Kerrand Bob Wickham have Fast Rat Photo taken AAA meet get message WAM requires pit men wear hard hat has specini added features ignition battery fuei bottle microphone ioudspeaker taiking pliotl some kinda-good good news bad news cheap fuels gasoline -type did work satisfactorily both suction pressurized tank systemsjust expected kinda good news arrived good allaround sport fuel $13 per gallon wasnt exactly cheap mix 35% MEK 35% methanol 15% nitromethane 15% propylene oxide Nitro prop readily available Charlie kept touch over next few months continued discuss fuel situ ation meantime made few calculations fuel-mix flammability range decided methanol-MEK mix high percentage alcohol might give us fuel looking Charlie came back Houston about six months after first session set up shop again did take long before hit 80% methanol 20% MEK mix Much sur prise got 0010 range metering jets suction pressure tanks both upright sidewinder models engine runs steady strong cases now good sport fueland cost about $4 per gallon uprights slightly harder start sidewinders because longer vertical fuel draw anyone has built flown uprights familiar technique tilting plane make engine easier start accomplished nearly goals goal left unchecked effect weather have checked fuel under wide variety weather conditions Charlie did have some problems once Dallas didnt have time sort out As recall Charlie said thought humidity high 38 years flying Jets Ive encountered three four times high humidity apparently contributed hard-starting and/or flights lasting few laps anyone runs problem using 80/20 fuel Id suggest adding 10% propylene ox ide reducing MEK 10% 5% have yet test combinations have questions concerning Jet fuels please refer end Speed column Dimmitt s address next bit information concerns neat monoline torque control-unit Jeny Thomas quest design super monoline connection model decided should simple easy construct idea attaching primary flying line stationary point CG model should pass hefty pull tests Dale Kirn* has worked Jerry Thomas project several years feels better mousetrap Jet models constructed Jerry Dale utilizing system fly ex tremely well type system could also applied D Speed models Before mounting bracket anchored model necessary position com ponents such manner determine planes CG secure bracket permanently spot secondary line transfer rod inserted swing arm made 035-in-thick brass material swing arm al lows movement via pushrod elevator horn sure check height dimensions elevator horn critical good Up-Down movement drawings should clarify questions assembling bracket torque line Also would good idea check existing torque units models rust breaks before its too late Jerry also manufactures 080-in-thick Dyna Jet valve retainer allows valve contact retainer through its full range travel available Jerry $12 plus $150 postage handling addresses individuals contributed months Speed Column *Dimmitt Perkins 5619 Stillbrooke Houston TX 77096 *Jerry Thomas 1007 40th Ave NW Puyallup WA 98371 telephone number 206 845-1269 *Dale Kirn 283 N Spruce Dr Anaheim CA 92805 wish thank gentlemen support Speed Column Gene Hempel 301 N Yale Dr Garland iX 75042 CL Racing/Ballard Continued page 75 makes AAC request find engine turns approximately 800900 rpm same propeller good OS 35/ring Slow Rat engine starting capabilities engine well its durability seem excellent ran about 30 min two Slow Rats found its performance least equal 05 35 Unfortunately people have built planes fit OS K&B 35 will have make extensive modifications engine-mounting plate well locations mountingbolt holes Supertigre course heavier engine OS35 bolt-hole patterns two engines completely different cases would suggest building completely new front end existing modelor building totally new airplane utllize Nelson-modi fied Supertigre X35 As racing season unfolds year will keep informed performance custom-made ST X35 Slow Rat engines Pro-Grip control handle March column showed picture special handle time being used Combat circle Racing competitors showed interest heavy-duty unit did know name manufacturer may interested handle ProGrip Control Line handle produced Sagan Industries Inc 36-14 35th Street Long Island City NY 11016 can buy direct $1495 plus$375 shippingandhandiingorlam sure will available purchase local hobby shop As always comments photographs solicited appreciated John C Ballard 10102 Kimblewick Dr Louisville KY 40223 182 Model Aviation AVAILABLE AT AMERICAS FINEST HOBBY SHOPS DISTRIBUTED BY S SMIflflHI NUDE W*ZN8 7550 San Gaboel Road cadeo CA 534 1717 $425 ROUSH KITS TaylorCraft Full span 108 Area 1670 clipped 84 Area 1300 Power 75to1 2ca Balsa&Ply l0-l2lbs $9995 Super Sport 120 Span 73 Area 960 Powar 75 12 Cu $9996 Super Kwik Fli Span 70 Area 927 Power 75 12 cu $8995 Coming Soon Two neti everyday scale airplanes 80 AT-6 78 P-Si 75-120 engines Both $9996 Jr Sticks Span 72 Area 1060 Power 75to 12ca $5995 Direct Sales Only Prices Include Shipping Send $100 Catalog ROUSH MFG 1728 Dyweod St SE Coaton Ohio 44707 210464-0610
