Midget Mustang

Right Rear view gives feeling proportions low-wing design Note pushrod reenforced additional piece wire aft top bend also attachment fuel shut-off trip wire John C Ballard Midget Mustan competitive Goodyear requires just good airplane total system details used 1 975-1 976 Nationals winner DURING THE late Summer Fall 1974 Goodyear racing passed through important milestone Prior date competitors spent majority effort liner piston fitting Rossi trying squeeze additional 1000 rpms dependable Super tigre 1974 Nationals saw first racing competitors tuned exhaust ex tensions Some horns short length large diameter others long slender part actual performance boost limited terrifying competition noise visual adornment eventual first place winner fact running open stack During long trip home John Kils donk decided should investigate using called horn evaluated several different megaphones cluded standard Rossi model along several others fabricated based technical data available small 2-cycle engines used motorcycles go-karts Obviously favorably impressed power gain next decision centered around model use Falcon models flying adaptable megaphone application some ex tensive modification pursued available 3-view drawings suit able model Kilsdonk came up Zipper built used win first place King Orange Internationals Jacksonville FL over 1974 Christmas holidays Although Zipper fine fly ing model still use back-up model wanted original model myself Thus came up Mus tang presented Mustang very sleek low-winged model gained much popularity full-scale racer natural con trol-line racing particular model has successful have ever have enjoyed great success Dur ing four month Midwest season won eight first places third place ten contests Additionally placed first 1975 Nationals Lake Charles set unofficial record 1975 KOI 5 mm 58 sec time 160-lap race turn page Left Modeler must try several different com binations engine horn lengths maximum performance horn plc cut 1/2 shorter preceding left right November1976 59 Above Closeup power section shows spac ing between engine fuel shut-off tank Note tank fits recess cut fuse lage megaphone mounting bracket NOTES OCALE NACHO NO 67 NEO0 OR IPPER L RUG NUODER AJ FUSELAGE SIOES {i VVNRASS TISIES amES NINE I/S~ ii LEAONIG EDGE ISO L FLESHLE lEADOIJYS H[I1SPIUNOSSIISOPTIONAL MESAPIIONE SORUCAL T15 NS SOL NAT TANK NECESS Ni PUSEAS SIOWNSNNJTOP F ThU WINE IPIANOWIIWALLUACKET 60 LU CMLI SI4UTOFF DETALI-- --I/WPIJSNNOO __ of-------N II-1---4---277r774 OPTIONAL i/O CHEEK COWL rA Long Midget MUSTANG CONTNOLO4E TEAN SCALE RACEN SIGAIEO JOAN C BALLARD DRAWN BY JONKLSDO/M 3/32 PIANO WINE SIIIO NA LANCE NEST TIME TO DATE 160 LAPS SISNSNI OK 291975 611W 01019 NIORSNINAd 0 0 0 CD 0 I/N STAN S ELEVATOR SECTION A-A 575 NATIONALS ANSEN purpose article acquaint control-line Goodyear enthusiast excellent performing model engine shutoff propeller megaphone fuel tank systems required produce competi tive results Construction Wing basic construction fairly straight forward plans should com plete enough anyone construct good performing model find set light cardboard templates useful layout placement wing fuselage engine tank motor mounts Critical areas include care pre venting 3/32 bottom sheeting warping during rib placement top planking 1/8 spruce spars shown plans necessary prevent wing breakage during high speed shut-offs optimum leadout line rake can adjusted taping wing tail engine tank place moving leadout position until fuselage hangs perpendicular leadouts location shown plans what have found suitable Fuselage Care must given selec tion wood used fuselage con struction soft flexible piece can cause engine vibration breakage between wing stab section during rough land ings plan use Dons 3-oz rat race tank take care tank stalled proper spacing nestle tween hardwood motor mounts Use good quality 3/32 plywood fuselage doublers 1/2 hard balsa op tional cheek cowl Stab Elevator Straight hard balsa should used construction elevator stab section After assem bly pushrod wire bent 450 angle two points important addi tional piece 1/16 wire bent sol dered section between angles reinforce bends prevents pushrod flexing due wind pressure elevator Fuel Shutoff fuel shutoff shown easily constructed brass shim stock main plunger wire made 1/16 piano wire length 1/8 brass tubing soldered between two No 4 flat washers brass tubing notched trip wire type construction very durable notch trip wire does go through plunger wire set up models pull type shutoffs requires control horn mounted top elevator external 60-lb test flexible cable linking pushrod shutoff connec tions should soldered well Tank The construction plans show Dons 3-oz rat race tank prob lem develops fuselage must recessed around tank mounting area clear megaphone Since tank must remain pressure tight recommend re-soldering fill tube lines seams other modifica tion required lower pickup tube exit approximately 1 / front clear megaphone column racing George Aldrich showed tank megaphone equipped profile Goodyear racer does require fuselage cut out can observe drawing Georges column Pg 3 Oct 1975 pickup pressure lines spaced allow megaphone pass between Either tank will give consistent engine run full empty condi tion No 4 Rossi head center has best overall per formance Two heads left have less angle chamberless head volumewith resultant rpm increase plug lowered cham ber additional compression results plug fail ure after minute running Two heads right have larger cavities result much less com pression ratio very easy plugs 500600 less rpm Left Round tank top Dons 3-os rat race Below made specs Aldrich article Oct 75 issue Aldrich tank mounts flush does require fuse cutoutallows megaphone pass between feed lines pressure tube Midget Mustang Below L R Bartels prop per articlepar ticular prop copy press-wood Tornado Tornado 7 x 6 plastic also per article copy Tornado 7 x 6 press-wood utilizing carbon fiber re enforcement instead fiberglass filament next copy Australian TR prop Both carbon fiber modified props very rigid hold true pitch within high rpm range Second right typical fiberglass filament Tornado press wood copy Extreme right unfinished Bartels Type selection important blending pow er rpm range type weight airplane Engine The term often used speed fliers its whats up front counts Success competitive racing requires engine set-up develops necessary model speed pitting dependability Rossi 15 can modified produce both necessary requirements say other production engines new releases horizon may used However juncture time Rossi appears best choice standard normal engine expensive times short sup ply replacement parts somewhat difficult acquire end would November 1976 61 Midget Mustang recotnmend individual purchase re-worked engine competent re work specialist two area am familiar Mr Dec Anderson Anderson Aero Units 4804 Janet Syl vaniaOH 43560 Mr George Aldrich Aldrich Products 1317 St Marie Mission TX 78572 may course want modify own engine miscalculation slip can very costly Engine Re-work Modification several areas Rossi will produce slight performance gain accumula tive result will 2000-3000 rpm gain yet retaining necessary dependability Shaft Timing Bearings impor tant crankshaft spin freely assembled case prop drawn tightly against thrust washer Most crankshafts received open 400 ABC close about 550 ATC 1950 total duration Opening closing side 620 ATC total 2020 duration will im prove performance can go further needle valve adjustment becomes extremely critical frequent crank shaft breakage may result Piston Liner single im portant factor producing strong Rossi piston liner fit liner must measured roundness taper should taper approximately 0005 until last 1/8 before top dead center hone liner round bake piston 4500 F 3 4 hours Usually after piston has cooled ambient temperature will have grown enough require hand lapping fit liner Ideally piston should drop free bot tom dead center 1/8 below top dead center plan utilize power boost megaphone exhaust timing liner must modified prior final lap fitting standard timed normal has about 1430 exhaust timing opti mize megaphone exhaust must filed approximately l550l580 duration utilize full length tuned pipe Rossi modifies pipe timed liners ap proximately l620l68o Left Instruments necessary correctly meas ure timing Left dial indicator depth micrometer right diel indicating caliper measuring liner flange top exhaust Micrometer used measure top deed center bottom deed center stroke engine caliper measuring exhaust intake timing ref erenced top cylinder flange Also can used measure head piston clearance Below Important prop balanced pitched accurately possible Pitch gauge shown variation Kiladonks gauge Aug 75 issue propswood fiberglass plastic received pitch variations varying blade lengths Proper balance pitch increase performance prolong shaft bearing life Head Configuration Rossi produces several different head designs numbered use Rossi #4 drilled tapped standard glow plug have tried numerous designs high humidity Midwest area design good glow plug have found will withstand severe racing conditions high nitro Gb-Bee manufactured Fusite Division Emer son Electric Company Megaphone The standard Rossi mega phone adapter can used starting point Cut adapter comes 5/8 long flare inside diameter slightly Slide megaphone back forth adapter operating engine prop produces approxi mately 2 1000/22000 rpms full bore rpm gain 1500/2000 should indicate approximate ideal length mega phone length usually about 4/s 4 front adapter rear horn 1/16 half-soft alu minum bracket must made hold megaphone securely model John Kildsonk has made some tapered aluminum bands slip over mega phone lock very base help prevent horn cracking point attachment final note continued page 90 62 Model Aviation Crankshafts Top stock bottom opened per article specs may able see clearly corners crankshaft fuel flow passages radiused slightly opening closing sections shaft sharp well defined Author recommends builder purchase reworked engine specialist gives sources Dependable battery plug meter cum bersome easily attached arm necessary Prototype Gb-Bee Fireplug shown Note pos itive negative hookups right end top bottom Amp meter clearly visible rightangle arm comes slot rheostat control voltage Voltage plug has creased decreased climate changes Midget Mustang/Ballard continued page 62 might want produce own mega phone thinner wall 012/022 horn creates resonance con sequently yields slightly higher per formance Propeller Selection proper sizing propeller can make break Rossi two brands have worked Bartels 7X6 Kelly 7X6 Bartels difficult acquire Kelly Aldon Kelly produces six different types 7X6 propellers either fiberglass carbon fiber address Kelly Products Inc PO Box 38 WestHIGH PERFORMANCE * COMPETITION PROVEN * THIN RIGID BLADES OF HARD MAPLE WOOD * SUPERBLY FINISHED COMPLETELY FUEL PROOF SPECIAL PRO SERIES 2 POR NCFREE FLIGHT CONTROL LINE DIA PITCH PRICE 5%3485 63485 733%4110 83Y.456115 945677%125 10467130 106W 8W130 106EW135 114677. 7% 7% 8145 118EW150 11%67150 126155 12SW160 1356195 1456225 1556275 164A6350 W WIDE BLADE 6W EXTRA WIDE ADVANCED DESIGN NO 1 IN PYLON RACING LEADING SPEED RECORD HOLDER OF ALL TIMES NC FYLON RACING DIA PITCH PRICE 573%4110 756125 7 SN 6N 125 8% 6%77% 150 9 6A77A 150 CONTROL LINE SPEED& RACING DIAPITCHPRICE 4%8A7110 4%55%110 6788%120 77%10%11125 88135 8SN SAN135 8%77%140 81213150 NNARROW em Springs IL 60558 prop use measures 6/s X 5 Different engines atmospheric conditions may require some modification sure carefully balance prop prior mounting engine Re-Starting During Pit Stops problem consistent re-starts dur ing racing conditions often caused faulty weak battery have some difficulty finding dependable battery plug meter could easily tached arm cumber some Re-starts during cold rainy meets often difficult no way creasing reducing voltage glow plug changes climate Fusite Division Emerson Electric Company has produced compact 2-volt battery pack contains rheostat match voltage glow plug require ments includes built-in plug meter unit small packed polypro pylene case Racing team event man can alone would like thank pit man Gary Fentress hard work thorough preparedness has en abled system presented consistent winner have questions comments address 10102 Kimblewick Drive Louisville KY 40223 Good luck good racing Nats/CL Navy/Perry continued page 29 new Junior record 3411 winning Class Jim Potochniks second-place score 3363 also high enough have placed Open class two Juniors experienced competitors should have years successful Carrier fly ing ahead Open Class won Bill Boss 3455 Guardian Competition keen Class places changing throughout day over 10 points separated first fifth place Dick Perry first Class II a205 sq MO-I Class II winners ranked high-speed scores because relatively small variations low speed 4 mph second through fifth place Class increased emphasis low speed under new scoring system greater spread low speed scores made high speed less dominant determining placing speeds recorded trophy winners Class II ranged 95 mph 120 mph high 237 34 mph low speed 417 Class Profile Carrier Aloise family took honors again Carlos Senior winner 1975 winning Open Richard winning Junior again year Carlos E 1975 Open champ entered did fly Senior Profile Carrier won Otto Graf Two topics debate surfaced Profile Carrier yearthe cost engines procedure slow flight newer engines being developed Profile Carrier rather expensive compared stand ard engines few years ago some concern increasing cost newer specialty engines creasing number modified racing 40 engines appearing Profile Carrier will bad event some engines present Nats contestants brought didnt use choosing instead run conventional engines excitement over slow flight centered around Dick Davis modified Mon goose Dick has become quite good hanging Mongoose prop atti tudes greater 600 nose high resulting low speeds three attempts under 10 mph Dick lost forward motion first attempt missed land ings two official flights preventing him winning first place setting new record Dicks slow flight technique quite legal admired pilot ing skill must wonder what ad verse effect such development could have theevent opinions expressed against predominant feel ing seemed flight portion low-speed flight should emphasized old well-used models classes Wait until next year dominant theme whenever anyone asked about plans new aircraft plans become reality next years Carrier events should full surprises Nats/RC Pylon/Hager continued page 15 Kent Nogy placed second fly-off between Bill Preis Bruce Rich mond third Third determined Bill Preis made high-speed touchand-go coming around #3 pylon Bruce Richmond took third Bill Preis ended up fourth fast time Formula 1199 turned Bob Brogdon Best Junior-Senior trophy went Bruce Richmond Hmm have heard name Bruce Brian brothers Bruce finished third place over Nice going guys looked like Richmond brothers will have rent trailer get trophies home Watch next year What week racing would have possible help great bunch guys gals worked hard want take opportunity thank 60 people helped make pylon racing success 1976 Nationals 90 Model Aviation SERIES 400 B FOE SPEED & RACING 1 I

Right Rear view gives feeling proportions low-wing design Note pushrod reenforced additional piece wire aft top bend also attachment fuel shut-off trip wire John C Ballard Midget Mustan competitive Goodyear requires just good airplane total system details used 1 975-1 976 Nationals winner DURING THE late Summer Fall 1974 Goodyear racing passed through important milestone Prior date competitors spent majority effort liner piston fitting Rossi trying squeeze additional 1000 rpms dependable Super tigre 1974 Nationals saw first racing competitors tuned exhaust ex tensions Some horns short length large diameter others long slender part actual performance boost limited terrifying competition noise visual adornment eventual first place winner fact running open stack During long trip home John Kils donk decided should investigate using called horn evaluated several different megaphones cluded standard Rossi model along several others fabricated based technical data available small 2-cycle engines used motorcycles go-karts Obviously favorably impressed power gain next decision centered around model use Falcon models flying adaptable megaphone application some ex tensive modification pursued available 3-view drawings suit able model Kilsdonk came up Zipper built used win first place King Orange Internationals Jacksonville FL over 1974 Christmas holidays Although Zipper fine fly ing model still use back-up model wanted original model myself Thus came up Mus tang presented Mustang very sleek low-winged model gained much popularity full-scale racer natural con trol-line racing particular model has successful have ever have enjoyed great success Dur ing four month Midwest season won eight first places third place ten contests Additionally placed first 1975 Nationals Lake Charles set unofficial record 1975 KOI 5 mm 58 sec time 160-lap race turn page Left Modeler must try several different com binations engine horn lengths maximum performance horn plc cut 1/2 shorter preceding left right November1976 59 Above Closeup power section shows spac ing between engine fuel shut-off tank Note tank fits recess cut fuse lage megaphone mounting bracket NOTES OCALE NACHO NO 67 NEO0 OR IPPER L RUG NUODER AJ FUSELAGE SIOES {i VVNRASS TISIES amES NINE I/S~ ii LEAONIG EDGE ISO L FLESHLE lEADOIJYS H[I1SPIUNOSSIISOPTIONAL MESAPIIONE SORUCAL T15 NS SOL NAT TANK NECESS Ni PUSEAS SIOWNSNNJTOP F ThU WINE IPIANOWIIWALLUACKET 60 LU CMLI SI4UTOFF DETALI-- --I/WPIJSNNOO __ of-------N II-1---4---277r774 OPTIONAL i/O CHEEK COWL rA Long Midget MUSTANG CONTNOLO4E TEAN SCALE RACEN SIGAIEO JOAN C BALLARD DRAWN BY JONKLSDO/M 3/32 PIANO WINE SIIIO NA LANCE NEST TIME TO DATE 160 LAPS SISNSNI OK 291975 611W 01019 NIORSNINAd 0 0 0 CD 0 I/N STAN S ELEVATOR SECTION A-A 575 NATIONALS ANSEN purpose article acquaint control-line Goodyear enthusiast excellent performing model engine shutoff propeller megaphone fuel tank systems required produce competi tive results Construction Wing basic construction fairly straight forward plans should com plete enough anyone construct good performing model find set light cardboard templates useful layout placement wing fuselage engine tank motor mounts Critical areas include care pre venting 3/32 bottom sheeting warping during rib placement top planking 1/8 spruce spars shown plans necessary prevent wing breakage during high speed shut-offs optimum leadout line rake can adjusted taping wing tail engine tank place moving leadout position until fuselage hangs perpendicular leadouts location shown plans what have found suitable Fuselage Care must given selec tion wood used fuselage con struction soft flexible piece can cause engine vibration breakage between wing stab section during rough land ings plan use Dons 3-oz rat race tank take care tank stalled proper spacing nestle tween hardwood motor mounts Use good quality 3/32 plywood fuselage doublers 1/2 hard balsa op tional cheek cowl Stab Elevator Straight hard balsa should used construction elevator stab section After assem bly pushrod wire bent 450 angle two points important addi tional piece 1/16 wire bent sol dered section between angles reinforce bends prevents pushrod flexing due wind pressure elevator Fuel Shutoff fuel shutoff shown easily constructed brass shim stock main plunger wire made 1/16 piano wire length 1/8 brass tubing soldered between two No 4 flat washers brass tubing notched trip wire type construction very durable notch trip wire does go through plunger wire set up models pull type shutoffs requires control horn mounted top elevator external 60-lb test flexible cable linking pushrod shutoff connec tions should soldered well Tank The construction plans show Dons 3-oz rat race tank prob lem develops fuselage must recessed around tank mounting area clear megaphone Since tank must remain pressure tight recommend re-soldering fill tube lines seams other modifica tion required lower pickup tube exit approximately 1 / front clear megaphone column racing George Aldrich showed tank megaphone equipped profile Goodyear racer does require fuselage cut out can observe drawing Georges column Pg 3 Oct 1975 pickup pressure lines spaced allow megaphone pass between Either tank will give consistent engine run full empty condi tion No 4 Rossi head center has best overall per formance Two heads left have less angle chamberless head volumewith resultant rpm increase plug lowered cham ber additional compression results plug fail ure after minute running Two heads right have larger cavities result much less com pression ratio very easy plugs 500600 less rpm Left Round tank top Dons 3-os rat race Below made specs Aldrich article Oct 75 issue Aldrich tank mounts flush does require fuse cutoutallows megaphone pass between feed lines pressure tube Midget Mustang Below L R Bartels prop per articlepar ticular prop copy press-wood Tornado Tornado 7 x 6 plastic also per article copy Tornado 7 x 6 press-wood utilizing carbon fiber re enforcement instead fiberglass filament next copy Australian TR prop Both carbon fiber modified props very rigid hold true pitch within high rpm range Second right typical fiberglass filament Tornado press wood copy Extreme right unfinished Bartels Type selection important blending pow er rpm range type weight airplane Engine The term often used speed fliers its whats up front counts Success competitive racing requires engine set-up develops necessary model speed pitting dependability Rossi 15 can modified produce both necessary requirements say other production engines new releases horizon may used However juncture time Rossi appears best choice standard normal engine expensive times short sup ply replacement parts somewhat difficult acquire end would November 1976 61 Midget Mustang recotnmend individual purchase re-worked engine competent re work specialist two area am familiar Mr Dec Anderson Anderson Aero Units 4804 Janet Syl vaniaOH 43560 Mr George Aldrich Aldrich Products 1317 St Marie Mission TX 78572 may course want modify own engine miscalculation slip can very costly Engine Re-work Modification several areas Rossi will produce slight performance gain accumula tive result will 2000-3000 rpm gain yet retaining necessary dependability Shaft Timing Bearings impor tant crankshaft spin freely assembled case prop drawn tightly against thrust washer Most crankshafts received open 400 ABC close about 550 ATC 1950 total duration Opening closing side 620 ATC total 2020 duration will im prove performance can go further needle valve adjustment becomes extremely critical frequent crank shaft breakage may result Piston Liner single im portant factor producing strong Rossi piston liner fit liner must measured roundness taper should taper approximately 0005 until last 1/8 before top dead center hone liner round bake piston 4500 F 3 4 hours Usually after piston has cooled ambient temperature will have grown enough require hand lapping fit liner Ideally piston should drop free bot tom dead center 1/8 below top dead center plan utilize power boost megaphone exhaust timing liner must modified prior final lap fitting standard timed normal has about 1430 exhaust timing opti mize megaphone exhaust must filed approximately l550l580 duration utilize full length tuned pipe Rossi modifies pipe timed liners ap proximately l620l68o Left Instruments necessary correctly meas ure timing Left dial indicator depth micrometer right diel indicating caliper measuring liner flange top exhaust Micrometer used measure top deed center bottom deed center stroke engine caliper measuring exhaust intake timing ref erenced top cylinder flange Also can used measure head piston clearance Below Important prop balanced pitched accurately possible Pitch gauge shown variation Kiladonks gauge Aug 75 issue propswood fiberglass plastic received pitch variations varying blade lengths Proper balance pitch increase performance prolong shaft bearing life Head Configuration Rossi produces several different head designs numbered use Rossi #4 drilled tapped standard glow plug have tried numerous designs high humidity Midwest area design good glow plug have found will withstand severe racing conditions high nitro Gb-Bee manufactured Fusite Division Emer son Electric Company Megaphone The standard Rossi mega phone adapter can used starting point Cut adapter comes 5/8 long flare inside diameter slightly Slide megaphone back forth adapter operating engine prop produces approxi mately 2 1000/22000 rpms full bore rpm gain 1500/2000 should indicate approximate ideal length mega phone length usually about 4/s 4 front adapter rear horn 1/16 half-soft alu minum bracket must made hold megaphone securely model John Kildsonk has made some tapered aluminum bands slip over mega phone lock very base help prevent horn cracking point attachment final note continued page 90 62 Model Aviation Crankshafts Top stock bottom opened per article specs may able see clearly corners crankshaft fuel flow passages radiused slightly opening closing sections shaft sharp well defined Author recommends builder purchase reworked engine specialist gives sources Dependable battery plug meter cum bersome easily attached arm necessary Prototype Gb-Bee Fireplug shown Note pos itive negative hookups right end top bottom Amp meter clearly visible rightangle arm comes slot rheostat control voltage Voltage plug has creased decreased climate changes Midget Mustang/Ballard continued page 62 might want produce own mega phone thinner wall 012/022 horn creates resonance con sequently yields slightly higher per formance Propeller Selection proper sizing propeller can make break Rossi two brands have worked Bartels 7X6 Kelly 7X6 Bartels difficult acquire Kelly Aldon Kelly produces six different types 7X6 propellers either fiberglass carbon fiber address Kelly Products Inc PO Box 38 WestHIGH PERFORMANCE * COMPETITION PROVEN * THIN RIGID BLADES OF HARD MAPLE WOOD * SUPERBLY FINISHED COMPLETELY FUEL PROOF SPECIAL PRO SERIES 2 POR NCFREE FLIGHT CONTROL LINE DIA PITCH PRICE 5%3485 63485 733%4110 83Y.456115 945677%125 10467130 106W 8W130 106EW135 114677. 7% 7% 8145 118EW150 11%67150 126155 12SW160 1356195 1456225 1556275 164A6350 W WIDE BLADE 6W EXTRA WIDE ADVANCED DESIGN NO 1 IN PYLON RACING LEADING SPEED RECORD HOLDER OF ALL TIMES NC FYLON RACING DIA PITCH PRICE 573%4110 756125 7 SN 6N 125 8% 6%77% 150 9 6A77A 150 CONTROL LINE SPEED& RACING DIAPITCHPRICE 4%8A7110 4%55%110 6788%120 77%10%11125 88135 8SN SAN135 8%77%140 81213150 NNARROW em Springs IL 60558 prop use measures 6/s X 5 Different engines atmospheric conditions may require some modification sure carefully balance prop prior mounting engine Re-Starting During Pit Stops problem consistent re-starts dur ing racing conditions often caused faulty weak battery have some difficulty finding dependable battery plug meter could easily tached arm cumber some Re-starts during cold rainy meets often difficult no way creasing reducing voltage glow plug changes climate Fusite Division Emerson Electric Company has produced compact 2-volt battery pack contains rheostat match voltage glow plug require ments includes built-in plug meter unit small packed polypro pylene case Racing team event man can alone would like thank pit man Gary Fentress hard work thorough preparedness has en abled system presented consistent winner have questions comments address 10102 Kimblewick Drive Louisville KY 40223 Good luck good racing Nats/CL Navy/Perry continued page 29 new Junior record 3411 winning Class Jim Potochniks second-place score 3363 also high enough have placed Open class two Juniors experienced competitors should have years successful Carrier fly ing ahead Open Class won Bill Boss 3455 Guardian Competition keen Class places changing throughout day over 10 points separated first fifth place Dick Perry first Class II a205 sq MO-I Class II winners ranked high-speed scores because relatively small variations low speed 4 mph second through fifth place Class increased emphasis low speed under new scoring system greater spread low speed scores made high speed less dominant determining placing speeds recorded trophy winners Class II ranged 95 mph 120 mph high 237 34 mph low speed 417 Class Profile Carrier Aloise family took honors again Carlos Senior winner 1975 winning Open Richard winning Junior again year Carlos E 1975 Open champ entered did fly Senior Profile Carrier won Otto Graf Two topics debate surfaced Profile Carrier yearthe cost engines procedure slow flight newer engines being developed Profile Carrier rather expensive compared stand ard engines few years ago some concern increasing cost newer specialty engines creasing number modified racing 40 engines appearing Profile Carrier will bad event some engines present Nats contestants brought didnt use choosing instead run conventional engines excitement over slow flight centered around Dick Davis modified Mon goose Dick has become quite good hanging Mongoose prop atti tudes greater 600 nose high resulting low speeds three attempts under 10 mph Dick lost forward motion first attempt missed land ings two official flights preventing him winning first place setting new record Dicks slow flight technique quite legal admired pilot ing skill must wonder what ad verse effect such development could have theevent opinions expressed against predominant feel ing seemed flight portion low-speed flight should emphasized old well-used models classes Wait until next year dominant theme whenever anyone asked about plans new aircraft plans become reality next years Carrier events should full surprises Nats/RC Pylon/Hager continued page 15 Kent Nogy placed second fly-off between Bill Preis Bruce Rich mond third Third determined Bill Preis made high-speed touchand-go coming around #3 pylon Bruce Richmond took third Bill Preis ended up fourth fast time Formula 1199 turned Bob Brogdon Best Junior-Senior trophy went Bruce Richmond Hmm have heard name Bruce Brian brothers Bruce finished third place over Nice going guys looked like Richmond brothers will have rent trailer get trophies home Watch next year What week racing would have possible help great bunch guys gals worked hard want take opportunity thank 60 people helped make pylon racing success 1976 Nationals 90 Model Aviation SERIES 400 B FOE SPEED & RACING 1 I