Combat Charlie Johnson BILL GRUBE BECAME new Southern California Combat Champion after winning first place AMA Fast Combat Turkey Shoot hosted North County Aeromodelers Bill ended season 22 points closest rival being Pete Vitale second place 20 points Sonny Brewster 19 points Points awarded basis 5 first 4 second 3 third 2 points fourth point enter ing sort thing works great regional basis adds some spice flying season plus allowing name specific person spectator asks currently best Aeromodelers commended providing turkeys rather usual trophies Combat planes functional prizes Com bat meets should functional too Bill took quite ribbing guys reminded him careful eat turkey won plane Meanwhile Miniature Aircraft Combat Association MACA also de ciding top 20 pilots country Positions decided number places won also number contestants taking part competition tremendous amount paper work volved results step right direction ranking fliers nationally member super organi zation send MACA treasurer Tom Southern $500 dues 1976 2207 Paul Longview Tex 75601 MACA organization has finest monthly newsletters too latest Combat happenings throughout world writing known what date Controline World Championships will held second weekend July seems likely Since Combat will official event Dutch Combat lads have decided host Combat Interna tional week before World Champs Entries will likely limited 128 probably maximum five fliers country will allowed entry would great opportunity American fliers get some first-hand experience fore next World Championships plus get see speed stunt team race action Start planning now trip Ill will latest combat kits comes NBC Company Nothing Controline oruy uuaL -l Sonny Brewster winners Bakersfield last summer Shrika Nemesis common designs Pic Lorna Samuel two fast ships slow combat design Phil Granderson familiar Tyrantula available $895 slow combat counterpart Boogie Man also $895 finally Shaft appears continued page 90 March 1976 Authors Slow Combat rig has 450 sq wing weighs 21 oz powered Supertigre 35 Left Bill Grube new Southern Cali fornia Combat champion G-20 FAI Combat ship left full-size AMA job Both pix Lorna Samuel 27 STINSON RELIANT V STAR * FISH OPERA TINC SAIL/NC 401E1 little beauty will warm heart sailor large small Its excellent sailing model Hull design long keel & ballast pro vide excellent stability waterAnd its equally pretty mantlepwce HEIGHT 20 LENGTH 14 BEAM 3 TO US R/C Scale Control line FF Indoor/Tenny continued vaqe 36 KEEP KNIFE UPRIGHT ISTRAIGHTEDGE FIG 3 indoor models comes lack avail able instructions small wood sizes available hobby shops inspire awe before construction methods made known Spars Outlines Part beauty indoor models lies gracefully F 1G 4 NOT THIS THIS7 II II II II II II ORDER DIRECT ADD 35 FOR POSTAGE cGESSSUCSIGD NOW COMPLETE SELECTION OF OVER RD PLANS AND DRAWINGS FROM XMAN55IDSOW C HANNAN GRAPHICS ALSOHENGERFORD WHEELS PLASTIC PROPS HOLDS WORLDS RECORD LEE WW-I F-NET KITS NYLON BEARINGS NESMITH COUGER CU13 IN SPAN P-NUT LETE CATALOG 50c ANDREASON BA4-B D ro FIND ACCESSORIES EITS AND 12 IN SPAN P NUTKITS $349 EACH LANS FOR RUBBER POWERED MODELS PeckPeIvmersP 0 BOX 2498 -AMALA MESA CALIF 92041 JPHONE 17541 4690675 curved lightweight strong outlines result carefully chosen wood prop erly cut formed Since indoor wood comes thin sheets spars produced slicing sheets proper technique use heavy metal straightedge sharp thin blade X-Acto #1 handle #11 blade adequate job Begin making cut along side sheet make sure edge sheet straight blade must vertical prevent cutting spar sloping edges see Fig 3 parallel direction cut see Fig 4 blade rotated parallel will tend make spar curl curve particularly true narrow thin spars Make several light firm cuts rather mighty slash consistent results Choice Wood ultimate weight indoor model results greatly choice wood indoor flier builds flies lot soon develops feel choosing wood Two different ap -- proaches used indoor fliers fairly large cross-section spars made lightweight stiff wood smaller spars made harder springy wood -Careful work produces models similar weight using either technique major difference comes resistance abuse usage model using lightweight stiff wood will tend brittle will require somewhat careful han dling model using denser springy wood will absorb abuse readily takes much skill build equivalent weight models harder wood Test Wood choosing wood spars pick sheets uniform density straight grain grain straight angles slightly across sheet cut spars parallel grain instead edge Cut some trial spars sheet bend curve check stress breaks will extra weak places sheet spar will break readily points bending also helps develop feel wood strength first models worry less about weight about choosing best wood available CL Combat/Johnson continued oaae 27 Tyrantula leading edge sheeting lower price tag $795 havent seen sample kits yet theyre anything like Phils usual work manship should top notch NBCs address 8302 Stone Ave North Seattle Wash 98103 already available slow combat kits can modified provide superior turning just moving engine back enough just clear new A&L 2-oz 90 Model Aviation 5495 57 ENGINE AR SR 56 LENGTH 38 SCALE 1 1 FT JOSU DIreST Philadelphia Pennsylvania 19134 PS, 2151 4264100 KEEP BLADE PARALLEL TO STRAIGHTEDGE MIDWEST$4eoMBATic PRODUCTS COMPANY Sole Canadian DistributorCanadian Aero Modeicraft Ltd195 Grand Prix BlvdLAi-adip frrher JJJVT PRODUCTS CO StflobartIndiana 46342 Designed Ed Bridant. SPAN 35-1/2 ins ENGINES 15 19 Cu QUICK SMOOTH TIGHT TURNING 1Please send illustrated catalog1 models accessoriesl enclose 25 INameI II Address II City State ______________________ Zip __________________ fuel tank tank place engine lug should no Vs leading edge tail moment may need lengthened some models keep overall length above 24 minimum required AMA rules Most Combat pilots have discovered 300 sq minimum wing better suited slow rat race have gone much larger wings 400 sq area latest plane has 460 sq goes within 2 mph old 320 sq plane same engine Big area fat airfoil wings hot tip windy weather flying better switch back hot rod Several newcomers Combat have written asking tips modifying exist ing fast combat kits better performance exception Nemesis planes designed heavy weight engines up front idea get engine back far possible put some moderately long tail booms like six cardboard bladder tubes used Nemesis wonders stiffening leading edge Voodoos especially motor recessed quarter inch leading edge Spectrum Winder kits need vertical webs between spars obviously Winder needs addi tion spars openers Spectrum wing makes excellent slow rat wing airfoil fattened Most current combat engines de signed make maximum horsepower around 18000 rpm mark over prop engine 9-8 will pull off its horsepower peak wont make enough wind blow hat off will make difficult set needle may cause engine overheat three modifications prop will get engine rpm up proper level consist changing pitch diameter width Diameters under eight inches normally run 35-size combat engines because prop disc area too small Pitch over eight inches sel dom used except real torque ma chine Blade width pretty much governed necessity hand flip prop combinations available people settle 8-8 size low weight planes Rev-Up being efficient nylon Tornado being ground resistant other commonly used prop Rev-Up 9-6 can found heavier fast combat models almost slow combat ships 9-in diameter nylon Tornado props nearly strong 8-in variety known gaining pitch ground unloading lot air thus making overlean needle settings easy come youre after ultimate efficiency buy Bartels fiberglass 9-8 rk suit engine will expensive $350 per crashturn page ATTENTION NATIONALS CONTESTANTS Fly FOX products 1976 Nationals win CASH AWARD addition trophy $200 cash 1st place events Combat r Open CL Stunt r Open RC Pattern s D RC Quarter Midget $100 cash 1st place other event Requirements win using Fox engine fuel arid plug Procedure een 5 PM 10 PM bring winning model trophy motel will take Itictures get advertising releases signed arid hand check Fox introducing several new products may wish try partial list Fox 36 Rear Exhaust niproved version riroror won Profile carrier 1975 Available Ball Bearing & Bushing versions FOX combat Special tically improved over 1975 model power-smoother runningmote durable Insert available Slow combat Fox 15DB lable several variations competition toodel features s' crank shaft structure rare over 30010 RPM FOX MANUFACTURING CO 5305 Towson / Ft Smith AR 72901 March 1976 91 KIT CONTENTS die cut balsa plywood Strip sheet wire hardware belicrank control horn tubing need covering lines engine supply tankft ref KIT NO 247 CL Combat continued Once youve figured out make engine run want time make run consistently Any thing over 30% nitro requires slightly rich setting 60% requires very rich setting often needing quarter lap clean out unload possible compute total horsepower produced over entire engine run youd probably find 25% produced least much power 60% because setting constant werent em barrassing rich outside loops sputters over lean consecutive inside ioops mention occasional flame-out Ive told adding equal portions nitro propane nitro methane fuel will give some resistance flame-out problem keep engine detonat ing hot humid days Some fuel manufacturers already use reasons also because cheaper nitro methane contestant local meet used 70% nitro 10% propylene oxide 20% castor oil fuel slow com bat plane engine did run cooler others using milder blends claims because alcohol ingredient makes hot run ning engines about some fuel magicians getting controversy rarely have humid weather Southern California testing some theories under adverse weather conditions practical subject engine runs youll often hear engine tuners talk about raising lowering head adding subtracting gaskets shims really doesnt solve problem makes less apparent real remedy would different combustion chamber shape weve days wed happy just have engine run no matter slow Top tuners tip using high pressure surgical tubing needle valve setting can made less critical adding special jet fuel line can make exposing length 012 piano wire ac quired friendly Goodyear flier flame match putting through one-in length 1/8th tubing either brass copper solder up end Wait until solder cools pull out wire presto 012 jet may have experiment various size jets idea find supplies just slightly fuel engine needs just fill bladder two ounces fuel measure time takes empty example 018 jet passes two ounces about 30 seconds whereas 012 takes about half minutes checked needle valve set use jet passed two ounces fuel just under two minutes Thanks letters pictures hope use everything soon Flying Dutchmen Pennsylvania would like discuss favorite maneuvers used pilots various situations Send fa vorite maneuver diagram compli cated other comment following address Charlie Johnson 3716 Ingraham St San Diego Calif 92109 714 273-6530 phone call very good friend Fred Buschbaum reminded favorite maneuver doing real well combat match team mates yelling cut string well Fred thought said thing crashed RC Pylon/Rankin "' 4 naae 20 ter make decisions glance can determine position airplane Lap counter man has two sets cards set has numbers through ten show laps another set show cuts four sets numbered cards color coded yellow white green orange matched re spective colored flag number pylon number displayed denotes lap airplane has started take-off number card displayed end first lap number two card dis TWENTY-SECOND ANNUAL TOLEDO RADIO CONTROL EXPOSITI ON TOLEDO 5PORT5 ARENA ONE MAIN STREET TOLEDO OHIO APRIL 23 &41976 FRIDAY9 AM TD B PM SATURDAY 9 AM TO 5 PM SUNDAY 9 AM TO 330 PM 4pm7 OPEN TO PUBLIC ALL THREE DAYS UNQUESTIONABLY THE WORLDS GREATEST RADIO CONTROL SHOW PRESENTED BY WEAK SIGNALS R/C CLUB P0 BOX 5772 TOLEDO OHIO 3B13 92 Model Aviation
Edition: Model Aviation - 1976/03
Page Numbers: 27, 90, 91, 92
Combat Charlie Johnson BILL GRUBE BECAME new Southern California Combat Champion after winning first place AMA Fast Combat Turkey Shoot hosted North County Aeromodelers Bill ended season 22 points closest rival being Pete Vitale second place 20 points Sonny Brewster 19 points Points awarded basis 5 first 4 second 3 third 2 points fourth point enter ing sort thing works great regional basis adds some spice flying season plus allowing name specific person spectator asks currently best Aeromodelers commended providing turkeys rather usual trophies Combat planes functional prizes Com bat meets should functional too Bill took quite ribbing guys reminded him careful eat turkey won plane Meanwhile Miniature Aircraft Combat Association MACA also de ciding top 20 pilots country Positions decided number places won also number contestants taking part competition tremendous amount paper work volved results step right direction ranking fliers nationally member super organi zation send MACA treasurer Tom Southern $500 dues 1976 2207 Paul Longview Tex 75601 MACA organization has finest monthly newsletters too latest Combat happenings throughout world writing known what date Controline World Championships will held second weekend July seems likely Since Combat will official event Dutch Combat lads have decided host Combat Interna tional week before World Champs Entries will likely limited 128 probably maximum five fliers country will allowed entry would great opportunity American fliers get some first-hand experience fore next World Championships plus get see speed stunt team race action Start planning now trip Ill will latest combat kits comes NBC Company Nothing Controline oruy uuaL -l Sonny Brewster winners Bakersfield last summer Shrika Nemesis common designs Pic Lorna Samuel two fast ships slow combat design Phil Granderson familiar Tyrantula available $895 slow combat counterpart Boogie Man also $895 finally Shaft appears continued page 90 March 1976 Authors Slow Combat rig has 450 sq wing weighs 21 oz powered Supertigre 35 Left Bill Grube new Southern Cali fornia Combat champion G-20 FAI Combat ship left full-size AMA job Both pix Lorna Samuel 27 STINSON RELIANT V STAR * FISH OPERA TINC SAIL/NC 401E1 little beauty will warm heart sailor large small Its excellent sailing model Hull design long keel & ballast pro vide excellent stability waterAnd its equally pretty mantlepwce HEIGHT 20 LENGTH 14 BEAM 3 TO US R/C Scale Control line FF Indoor/Tenny continued vaqe 36 KEEP KNIFE UPRIGHT ISTRAIGHTEDGE FIG 3 indoor models comes lack avail able instructions small wood sizes available hobby shops inspire awe before construction methods made known Spars Outlines Part beauty indoor models lies gracefully F 1G 4 NOT THIS THIS7 II II II II II II ORDER DIRECT ADD 35 FOR POSTAGE cGESSSUCSIGD NOW COMPLETE SELECTION OF OVER RD PLANS AND DRAWINGS FROM XMAN55IDSOW C HANNAN GRAPHICS ALSOHENGERFORD WHEELS PLASTIC PROPS HOLDS WORLDS RECORD LEE WW-I F-NET KITS NYLON BEARINGS NESMITH COUGER CU13 IN SPAN P-NUT LETE CATALOG 50c ANDREASON BA4-B D ro FIND ACCESSORIES EITS AND 12 IN SPAN P NUTKITS $349 EACH LANS FOR RUBBER POWERED MODELS PeckPeIvmersP 0 BOX 2498 -AMALA MESA CALIF 92041 JPHONE 17541 4690675 curved lightweight strong outlines result carefully chosen wood prop erly cut formed Since indoor wood comes thin sheets spars produced slicing sheets proper technique use heavy metal straightedge sharp thin blade X-Acto #1 handle #11 blade adequate job Begin making cut along side sheet make sure edge sheet straight blade must vertical prevent cutting spar sloping edges see Fig 3 parallel direction cut see Fig 4 blade rotated parallel will tend make spar curl curve particularly true narrow thin spars Make several light firm cuts rather mighty slash consistent results Choice Wood ultimate weight indoor model results greatly choice wood indoor flier builds flies lot soon develops feel choosing wood Two different ap -- proaches used indoor fliers fairly large cross-section spars made lightweight stiff wood smaller spars made harder springy wood -Careful work produces models similar weight using either technique major difference comes resistance abuse usage model using lightweight stiff wood will tend brittle will require somewhat careful han dling model using denser springy wood will absorb abuse readily takes much skill build equivalent weight models harder wood Test Wood choosing wood spars pick sheets uniform density straight grain grain straight angles slightly across sheet cut spars parallel grain instead edge Cut some trial spars sheet bend curve check stress breaks will extra weak places sheet spar will break readily points bending also helps develop feel wood strength first models worry less about weight about choosing best wood available CL Combat/Johnson continued oaae 27 Tyrantula leading edge sheeting lower price tag $795 havent seen sample kits yet theyre anything like Phils usual work manship should top notch NBCs address 8302 Stone Ave North Seattle Wash 98103 already available slow combat kits can modified provide superior turning just moving engine back enough just clear new A&L 2-oz 90 Model Aviation 5495 57 ENGINE AR SR 56 LENGTH 38 SCALE 1 1 FT JOSU DIreST Philadelphia Pennsylvania 19134 PS, 2151 4264100 KEEP BLADE PARALLEL TO STRAIGHTEDGE MIDWEST$4eoMBATic PRODUCTS COMPANY Sole Canadian DistributorCanadian Aero Modeicraft Ltd195 Grand Prix BlvdLAi-adip frrher JJJVT PRODUCTS CO StflobartIndiana 46342 Designed Ed Bridant. SPAN 35-1/2 ins ENGINES 15 19 Cu QUICK SMOOTH TIGHT TURNING 1Please send illustrated catalog1 models accessoriesl enclose 25 INameI II Address II City State ______________________ Zip __________________ fuel tank tank place engine lug should no Vs leading edge tail moment may need lengthened some models keep overall length above 24 minimum required AMA rules Most Combat pilots have discovered 300 sq minimum wing better suited slow rat race have gone much larger wings 400 sq area latest plane has 460 sq goes within 2 mph old 320 sq plane same engine Big area fat airfoil wings hot tip windy weather flying better switch back hot rod Several newcomers Combat have written asking tips modifying exist ing fast combat kits better performance exception Nemesis planes designed heavy weight engines up front idea get engine back far possible put some moderately long tail booms like six cardboard bladder tubes used Nemesis wonders stiffening leading edge Voodoos especially motor recessed quarter inch leading edge Spectrum Winder kits need vertical webs between spars obviously Winder needs addi tion spars openers Spectrum wing makes excellent slow rat wing airfoil fattened Most current combat engines de signed make maximum horsepower around 18000 rpm mark over prop engine 9-8 will pull off its horsepower peak wont make enough wind blow hat off will make difficult set needle may cause engine overheat three modifications prop will get engine rpm up proper level consist changing pitch diameter width Diameters under eight inches normally run 35-size combat engines because prop disc area too small Pitch over eight inches sel dom used except real torque ma chine Blade width pretty much governed necessity hand flip prop combinations available people settle 8-8 size low weight planes Rev-Up being efficient nylon Tornado being ground resistant other commonly used prop Rev-Up 9-6 can found heavier fast combat models almost slow combat ships 9-in diameter nylon Tornado props nearly strong 8-in variety known gaining pitch ground unloading lot air thus making overlean needle settings easy come youre after ultimate efficiency buy Bartels fiberglass 9-8 rk suit engine will expensive $350 per crashturn page ATTENTION NATIONALS CONTESTANTS Fly FOX products 1976 Nationals win CASH AWARD addition trophy $200 cash 1st place events Combat r Open CL Stunt r Open RC Pattern s D RC Quarter Midget $100 cash 1st place other event Requirements win using Fox engine fuel arid plug Procedure een 5 PM 10 PM bring winning model trophy motel will take Itictures get advertising releases signed arid hand check Fox introducing several new products may wish try partial list Fox 36 Rear Exhaust niproved version riroror won Profile carrier 1975 Available Ball Bearing & Bushing versions FOX combat Special tically improved over 1975 model power-smoother runningmote durable Insert available Slow combat Fox 15DB lable several variations competition toodel features s' crank shaft structure rare over 30010 RPM FOX MANUFACTURING CO 5305 Towson / Ft Smith AR 72901 March 1976 91 KIT CONTENTS die cut balsa plywood Strip sheet wire hardware belicrank control horn tubing need covering lines engine supply tankft ref KIT NO 247 CL Combat continued Once youve figured out make engine run want time make run consistently Any thing over 30% nitro requires slightly rich setting 60% requires very rich setting often needing quarter lap clean out unload possible compute total horsepower produced over entire engine run youd probably find 25% produced least much power 60% because setting constant werent em barrassing rich outside loops sputters over lean consecutive inside ioops mention occasional flame-out Ive told adding equal portions nitro propane nitro methane fuel will give some resistance flame-out problem keep engine detonat ing hot humid days Some fuel manufacturers already use reasons also because cheaper nitro methane contestant local meet used 70% nitro 10% propylene oxide 20% castor oil fuel slow com bat plane engine did run cooler others using milder blends claims because alcohol ingredient makes hot run ning engines about some fuel magicians getting controversy rarely have humid weather Southern California testing some theories under adverse weather conditions practical subject engine runs youll often hear engine tuners talk about raising lowering head adding subtracting gaskets shims really doesnt solve problem makes less apparent real remedy would different combustion chamber shape weve days wed happy just have engine run no matter slow Top tuners tip using high pressure surgical tubing needle valve setting can made less critical adding special jet fuel line can make exposing length 012 piano wire ac quired friendly Goodyear flier flame match putting through one-in length 1/8th tubing either brass copper solder up end Wait until solder cools pull out wire presto 012 jet may have experiment various size jets idea find supplies just slightly fuel engine needs just fill bladder two ounces fuel measure time takes empty example 018 jet passes two ounces about 30 seconds whereas 012 takes about half minutes checked needle valve set use jet passed two ounces fuel just under two minutes Thanks letters pictures hope use everything soon Flying Dutchmen Pennsylvania would like discuss favorite maneuvers used pilots various situations Send fa vorite maneuver diagram compli cated other comment following address Charlie Johnson 3716 Ingraham St San Diego Calif 92109 714 273-6530 phone call very good friend Fred Buschbaum reminded favorite maneuver doing real well combat match team mates yelling cut string well Fred thought said thing crashed RC Pylon/Rankin "' 4 naae 20 ter make decisions glance can determine position airplane Lap counter man has two sets cards set has numbers through ten show laps another set show cuts four sets numbered cards color coded yellow white green orange matched re spective colored flag number pylon number displayed denotes lap airplane has started take-off number card displayed end first lap number two card dis TWENTY-SECOND ANNUAL TOLEDO RADIO CONTROL EXPOSITI ON TOLEDO 5PORT5 ARENA ONE MAIN STREET TOLEDO OHIO APRIL 23 &41976 FRIDAY9 AM TD B PM SATURDAY 9 AM TO 5 PM SUNDAY 9 AM TO 330 PM 4pm7 OPEN TO PUBLIC ALL THREE DAYS UNQUESTIONABLY THE WORLDS GREATEST RADIO CONTROL SHOW PRESENTED BY WEAK SIGNALS R/C CLUB P0 BOX 5772 TOLEDO OHIO 3B13 92 Model Aviation
Edition: Model Aviation - 1976/03
Page Numbers: 27, 90, 91, 92
Combat Charlie Johnson BILL GRUBE BECAME new Southern California Combat Champion after winning first place AMA Fast Combat Turkey Shoot hosted North County Aeromodelers Bill ended season 22 points closest rival being Pete Vitale second place 20 points Sonny Brewster 19 points Points awarded basis 5 first 4 second 3 third 2 points fourth point enter ing sort thing works great regional basis adds some spice flying season plus allowing name specific person spectator asks currently best Aeromodelers commended providing turkeys rather usual trophies Combat planes functional prizes Com bat meets should functional too Bill took quite ribbing guys reminded him careful eat turkey won plane Meanwhile Miniature Aircraft Combat Association MACA also de ciding top 20 pilots country Positions decided number places won also number contestants taking part competition tremendous amount paper work volved results step right direction ranking fliers nationally member super organi zation send MACA treasurer Tom Southern $500 dues 1976 2207 Paul Longview Tex 75601 MACA organization has finest monthly newsletters too latest Combat happenings throughout world writing known what date Controline World Championships will held second weekend July seems likely Since Combat will official event Dutch Combat lads have decided host Combat Interna tional week before World Champs Entries will likely limited 128 probably maximum five fliers country will allowed entry would great opportunity American fliers get some first-hand experience fore next World Championships plus get see speed stunt team race action Start planning now trip Ill will latest combat kits comes NBC Company Nothing Controline oruy uuaL -l Sonny Brewster winners Bakersfield last summer Shrika Nemesis common designs Pic Lorna Samuel two fast ships slow combat design Phil Granderson familiar Tyrantula available $895 slow combat counterpart Boogie Man also $895 finally Shaft appears continued page 90 March 1976 Authors Slow Combat rig has 450 sq wing weighs 21 oz powered Supertigre 35 Left Bill Grube new Southern Cali fornia Combat champion G-20 FAI Combat ship left full-size AMA job Both pix Lorna Samuel 27 STINSON RELIANT V STAR * FISH OPERA TINC SAIL/NC 401E1 little beauty will warm heart sailor large small Its excellent sailing model Hull design long keel & ballast pro vide excellent stability waterAnd its equally pretty mantlepwce HEIGHT 20 LENGTH 14 BEAM 3 TO US R/C Scale Control line FF Indoor/Tenny continued vaqe 36 KEEP KNIFE UPRIGHT ISTRAIGHTEDGE FIG 3 indoor models comes lack avail able instructions small wood sizes available hobby shops inspire awe before construction methods made known Spars Outlines Part beauty indoor models lies gracefully F 1G 4 NOT THIS THIS7 II II II II II II ORDER DIRECT ADD 35 FOR POSTAGE cGESSSUCSIGD NOW COMPLETE SELECTION OF OVER RD PLANS AND DRAWINGS FROM XMAN55IDSOW C HANNAN GRAPHICS ALSOHENGERFORD WHEELS PLASTIC PROPS HOLDS WORLDS RECORD LEE WW-I F-NET KITS NYLON BEARINGS NESMITH COUGER CU13 IN SPAN P-NUT LETE CATALOG 50c ANDREASON BA4-B D ro FIND ACCESSORIES EITS AND 12 IN SPAN P NUTKITS $349 EACH LANS FOR RUBBER POWERED MODELS PeckPeIvmersP 0 BOX 2498 -AMALA MESA CALIF 92041 JPHONE 17541 4690675 curved lightweight strong outlines result carefully chosen wood prop erly cut formed Since indoor wood comes thin sheets spars produced slicing sheets proper technique use heavy metal straightedge sharp thin blade X-Acto #1 handle #11 blade adequate job Begin making cut along side sheet make sure edge sheet straight blade must vertical prevent cutting spar sloping edges see Fig 3 parallel direction cut see Fig 4 blade rotated parallel will tend make spar curl curve particularly true narrow thin spars Make several light firm cuts rather mighty slash consistent results Choice Wood ultimate weight indoor model results greatly choice wood indoor flier builds flies lot soon develops feel choosing wood Two different ap -- proaches used indoor fliers fairly large cross-section spars made lightweight stiff wood smaller spars made harder springy wood -Careful work produces models similar weight using either technique major difference comes resistance abuse usage model using lightweight stiff wood will tend brittle will require somewhat careful han dling model using denser springy wood will absorb abuse readily takes much skill build equivalent weight models harder wood Test Wood choosing wood spars pick sheets uniform density straight grain grain straight angles slightly across sheet cut spars parallel grain instead edge Cut some trial spars sheet bend curve check stress breaks will extra weak places sheet spar will break readily points bending also helps develop feel wood strength first models worry less about weight about choosing best wood available CL Combat/Johnson continued oaae 27 Tyrantula leading edge sheeting lower price tag $795 havent seen sample kits yet theyre anything like Phils usual work manship should top notch NBCs address 8302 Stone Ave North Seattle Wash 98103 already available slow combat kits can modified provide superior turning just moving engine back enough just clear new A&L 2-oz 90 Model Aviation 5495 57 ENGINE AR SR 56 LENGTH 38 SCALE 1 1 FT JOSU DIreST Philadelphia Pennsylvania 19134 PS, 2151 4264100 KEEP BLADE PARALLEL TO STRAIGHTEDGE MIDWEST$4eoMBATic PRODUCTS COMPANY Sole Canadian DistributorCanadian Aero Modeicraft Ltd195 Grand Prix BlvdLAi-adip frrher JJJVT PRODUCTS CO StflobartIndiana 46342 Designed Ed Bridant. SPAN 35-1/2 ins ENGINES 15 19 Cu QUICK SMOOTH TIGHT TURNING 1Please send illustrated catalog1 models accessoriesl enclose 25 INameI II Address II City State ______________________ Zip __________________ fuel tank tank place engine lug should no Vs leading edge tail moment may need lengthened some models keep overall length above 24 minimum required AMA rules Most Combat pilots have discovered 300 sq minimum wing better suited slow rat race have gone much larger wings 400 sq area latest plane has 460 sq goes within 2 mph old 320 sq plane same engine Big area fat airfoil wings hot tip windy weather flying better switch back hot rod Several newcomers Combat have written asking tips modifying exist ing fast combat kits better performance exception Nemesis planes designed heavy weight engines up front idea get engine back far possible put some moderately long tail booms like six cardboard bladder tubes used Nemesis wonders stiffening leading edge Voodoos especially motor recessed quarter inch leading edge Spectrum Winder kits need vertical webs between spars obviously Winder needs addi tion spars openers Spectrum wing makes excellent slow rat wing airfoil fattened Most current combat engines de signed make maximum horsepower around 18000 rpm mark over prop engine 9-8 will pull off its horsepower peak wont make enough wind blow hat off will make difficult set needle may cause engine overheat three modifications prop will get engine rpm up proper level consist changing pitch diameter width Diameters under eight inches normally run 35-size combat engines because prop disc area too small Pitch over eight inches sel dom used except real torque ma chine Blade width pretty much governed necessity hand flip prop combinations available people settle 8-8 size low weight planes Rev-Up being efficient nylon Tornado being ground resistant other commonly used prop Rev-Up 9-6 can found heavier fast combat models almost slow combat ships 9-in diameter nylon Tornado props nearly strong 8-in variety known gaining pitch ground unloading lot air thus making overlean needle settings easy come youre after ultimate efficiency buy Bartels fiberglass 9-8 rk suit engine will expensive $350 per crashturn page ATTENTION NATIONALS CONTESTANTS Fly FOX products 1976 Nationals win CASH AWARD addition trophy $200 cash 1st place events Combat r Open CL Stunt r Open RC Pattern s D RC Quarter Midget $100 cash 1st place other event Requirements win using Fox engine fuel arid plug Procedure een 5 PM 10 PM bring winning model trophy motel will take Itictures get advertising releases signed arid hand check Fox introducing several new products may wish try partial list Fox 36 Rear Exhaust niproved version riroror won Profile carrier 1975 Available Ball Bearing & Bushing versions FOX combat Special tically improved over 1975 model power-smoother runningmote durable Insert available Slow combat Fox 15DB lable several variations competition toodel features s' crank shaft structure rare over 30010 RPM FOX MANUFACTURING CO 5305 Towson / Ft Smith AR 72901 March 1976 91 KIT CONTENTS die cut balsa plywood Strip sheet wire hardware belicrank control horn tubing need covering lines engine supply tankft ref KIT NO 247 CL Combat continued Once youve figured out make engine run want time make run consistently Any thing over 30% nitro requires slightly rich setting 60% requires very rich setting often needing quarter lap clean out unload possible compute total horsepower produced over entire engine run youd probably find 25% produced least much power 60% because setting constant werent em barrassing rich outside loops sputters over lean consecutive inside ioops mention occasional flame-out Ive told adding equal portions nitro propane nitro methane fuel will give some resistance flame-out problem keep engine detonat ing hot humid days Some fuel manufacturers already use reasons also because cheaper nitro methane contestant local meet used 70% nitro 10% propylene oxide 20% castor oil fuel slow com bat plane engine did run cooler others using milder blends claims because alcohol ingredient makes hot run ning engines about some fuel magicians getting controversy rarely have humid weather Southern California testing some theories under adverse weather conditions practical subject engine runs youll often hear engine tuners talk about raising lowering head adding subtracting gaskets shims really doesnt solve problem makes less apparent real remedy would different combustion chamber shape weve days wed happy just have engine run no matter slow Top tuners tip using high pressure surgical tubing needle valve setting can made less critical adding special jet fuel line can make exposing length 012 piano wire ac quired friendly Goodyear flier flame match putting through one-in length 1/8th tubing either brass copper solder up end Wait until solder cools pull out wire presto 012 jet may have experiment various size jets idea find supplies just slightly fuel engine needs just fill bladder two ounces fuel measure time takes empty example 018 jet passes two ounces about 30 seconds whereas 012 takes about half minutes checked needle valve set use jet passed two ounces fuel just under two minutes Thanks letters pictures hope use everything soon Flying Dutchmen Pennsylvania would like discuss favorite maneuvers used pilots various situations Send fa vorite maneuver diagram compli cated other comment following address Charlie Johnson 3716 Ingraham St San Diego Calif 92109 714 273-6530 phone call very good friend Fred Buschbaum reminded favorite maneuver doing real well combat match team mates yelling cut string well Fred thought said thing crashed RC Pylon/Rankin "' 4 naae 20 ter make decisions glance can determine position airplane Lap counter man has two sets cards set has numbers through ten show laps another set show cuts four sets numbered cards color coded yellow white green orange matched re spective colored flag number pylon number displayed denotes lap airplane has started take-off number card displayed end first lap number two card dis TWENTY-SECOND ANNUAL TOLEDO RADIO CONTROL EXPOSITI ON TOLEDO 5PORT5 ARENA ONE MAIN STREET TOLEDO OHIO APRIL 23 &41976 FRIDAY9 AM TD B PM SATURDAY 9 AM TO 5 PM SUNDAY 9 AM TO 330 PM 4pm7 OPEN TO PUBLIC ALL THREE DAYS UNQUESTIONABLY THE WORLDS GREATEST RADIO CONTROL SHOW PRESENTED BY WEAK SIGNALS R/C CLUB P0 BOX 5772 TOLEDO OHIO 3B13 92 Model Aviation
Edition: Model Aviation - 1976/03
Page Numbers: 27, 90, 91, 92
Combat Charlie Johnson BILL GRUBE BECAME new Southern California Combat Champion after winning first place AMA Fast Combat Turkey Shoot hosted North County Aeromodelers Bill ended season 22 points closest rival being Pete Vitale second place 20 points Sonny Brewster 19 points Points awarded basis 5 first 4 second 3 third 2 points fourth point enter ing sort thing works great regional basis adds some spice flying season plus allowing name specific person spectator asks currently best Aeromodelers commended providing turkeys rather usual trophies Combat planes functional prizes Com bat meets should functional too Bill took quite ribbing guys reminded him careful eat turkey won plane Meanwhile Miniature Aircraft Combat Association MACA also de ciding top 20 pilots country Positions decided number places won also number contestants taking part competition tremendous amount paper work volved results step right direction ranking fliers nationally member super organi zation send MACA treasurer Tom Southern $500 dues 1976 2207 Paul Longview Tex 75601 MACA organization has finest monthly newsletters too latest Combat happenings throughout world writing known what date Controline World Championships will held second weekend July seems likely Since Combat will official event Dutch Combat lads have decided host Combat Interna tional week before World Champs Entries will likely limited 128 probably maximum five fliers country will allowed entry would great opportunity American fliers get some first-hand experience fore next World Championships plus get see speed stunt team race action Start planning now trip Ill will latest combat kits comes NBC Company Nothing Controline oruy uuaL -l Sonny Brewster winners Bakersfield last summer Shrika Nemesis common designs Pic Lorna Samuel two fast ships slow combat design Phil Granderson familiar Tyrantula available $895 slow combat counterpart Boogie Man also $895 finally Shaft appears continued page 90 March 1976 Authors Slow Combat rig has 450 sq wing weighs 21 oz powered Supertigre 35 Left Bill Grube new Southern Cali fornia Combat champion G-20 FAI Combat ship left full-size AMA job Both pix Lorna Samuel 27 STINSON RELIANT V STAR * FISH OPERA TINC SAIL/NC 401E1 little beauty will warm heart sailor large small Its excellent sailing model Hull design long keel & ballast pro vide excellent stability waterAnd its equally pretty mantlepwce HEIGHT 20 LENGTH 14 BEAM 3 TO US R/C Scale Control line FF Indoor/Tenny continued vaqe 36 KEEP KNIFE UPRIGHT ISTRAIGHTEDGE FIG 3 indoor models comes lack avail able instructions small wood sizes available hobby shops inspire awe before construction methods made known Spars Outlines Part beauty indoor models lies gracefully F 1G 4 NOT THIS THIS7 II II II II II II ORDER DIRECT ADD 35 FOR POSTAGE cGESSSUCSIGD NOW COMPLETE SELECTION OF OVER RD PLANS AND DRAWINGS FROM XMAN55IDSOW C HANNAN GRAPHICS ALSOHENGERFORD WHEELS PLASTIC PROPS HOLDS WORLDS RECORD LEE WW-I F-NET KITS NYLON BEARINGS NESMITH COUGER CU13 IN SPAN P-NUT LETE CATALOG 50c ANDREASON BA4-B D ro FIND ACCESSORIES EITS AND 12 IN SPAN P NUTKITS $349 EACH LANS FOR RUBBER POWERED MODELS PeckPeIvmersP 0 BOX 2498 -AMALA MESA CALIF 92041 JPHONE 17541 4690675 curved lightweight strong outlines result carefully chosen wood prop erly cut formed Since indoor wood comes thin sheets spars produced slicing sheets proper technique use heavy metal straightedge sharp thin blade X-Acto #1 handle #11 blade adequate job Begin making cut along side sheet make sure edge sheet straight blade must vertical prevent cutting spar sloping edges see Fig 3 parallel direction cut see Fig 4 blade rotated parallel will tend make spar curl curve particularly true narrow thin spars Make several light firm cuts rather mighty slash consistent results Choice Wood ultimate weight indoor model results greatly choice wood indoor flier builds flies lot soon develops feel choosing wood Two different ap -- proaches used indoor fliers fairly large cross-section spars made lightweight stiff wood smaller spars made harder springy wood -Careful work produces models similar weight using either technique major difference comes resistance abuse usage model using lightweight stiff wood will tend brittle will require somewhat careful han dling model using denser springy wood will absorb abuse readily takes much skill build equivalent weight models harder wood Test Wood choosing wood spars pick sheets uniform density straight grain grain straight angles slightly across sheet cut spars parallel grain instead edge Cut some trial spars sheet bend curve check stress breaks will extra weak places sheet spar will break readily points bending also helps develop feel wood strength first models worry less about weight about choosing best wood available CL Combat/Johnson continued oaae 27 Tyrantula leading edge sheeting lower price tag $795 havent seen sample kits yet theyre anything like Phils usual work manship should top notch NBCs address 8302 Stone Ave North Seattle Wash 98103 already available slow combat kits can modified provide superior turning just moving engine back enough just clear new A&L 2-oz 90 Model Aviation 5495 57 ENGINE AR SR 56 LENGTH 38 SCALE 1 1 FT JOSU DIreST Philadelphia Pennsylvania 19134 PS, 2151 4264100 KEEP BLADE PARALLEL TO STRAIGHTEDGE MIDWEST$4eoMBATic PRODUCTS COMPANY Sole Canadian DistributorCanadian Aero Modeicraft Ltd195 Grand Prix BlvdLAi-adip frrher JJJVT PRODUCTS CO StflobartIndiana 46342 Designed Ed Bridant. SPAN 35-1/2 ins ENGINES 15 19 Cu QUICK SMOOTH TIGHT TURNING 1Please send illustrated catalog1 models accessoriesl enclose 25 INameI II Address II City State ______________________ Zip __________________ fuel tank tank place engine lug should no Vs leading edge tail moment may need lengthened some models keep overall length above 24 minimum required AMA rules Most Combat pilots have discovered 300 sq minimum wing better suited slow rat race have gone much larger wings 400 sq area latest plane has 460 sq goes within 2 mph old 320 sq plane same engine Big area fat airfoil wings hot tip windy weather flying better switch back hot rod Several newcomers Combat have written asking tips modifying exist ing fast combat kits better performance exception Nemesis planes designed heavy weight engines up front idea get engine back far possible put some moderately long tail booms like six cardboard bladder tubes used Nemesis wonders stiffening leading edge Voodoos especially motor recessed quarter inch leading edge Spectrum Winder kits need vertical webs between spars obviously Winder needs addi tion spars openers Spectrum wing makes excellent slow rat wing airfoil fattened Most current combat engines de signed make maximum horsepower around 18000 rpm mark over prop engine 9-8 will pull off its horsepower peak wont make enough wind blow hat off will make difficult set needle may cause engine overheat three modifications prop will get engine rpm up proper level consist changing pitch diameter width Diameters under eight inches normally run 35-size combat engines because prop disc area too small Pitch over eight inches sel dom used except real torque ma chine Blade width pretty much governed necessity hand flip prop combinations available people settle 8-8 size low weight planes Rev-Up being efficient nylon Tornado being ground resistant other commonly used prop Rev-Up 9-6 can found heavier fast combat models almost slow combat ships 9-in diameter nylon Tornado props nearly strong 8-in variety known gaining pitch ground unloading lot air thus making overlean needle settings easy come youre after ultimate efficiency buy Bartels fiberglass 9-8 rk suit engine will expensive $350 per crashturn page ATTENTION NATIONALS CONTESTANTS Fly FOX products 1976 Nationals win CASH AWARD addition trophy $200 cash 1st place events Combat r Open CL Stunt r Open RC Pattern s D RC Quarter Midget $100 cash 1st place other event Requirements win using Fox engine fuel arid plug Procedure een 5 PM 10 PM bring winning model trophy motel will take Itictures get advertising releases signed arid hand check Fox introducing several new products may wish try partial list Fox 36 Rear Exhaust niproved version riroror won Profile carrier 1975 Available Ball Bearing & Bushing versions FOX combat Special tically improved over 1975 model power-smoother runningmote durable Insert available Slow combat Fox 15DB lable several variations competition toodel features s' crank shaft structure rare over 30010 RPM FOX MANUFACTURING CO 5305 Towson / Ft Smith AR 72901 March 1976 91 KIT CONTENTS die cut balsa plywood Strip sheet wire hardware belicrank control horn tubing need covering lines engine supply tankft ref KIT NO 247 CL Combat continued Once youve figured out make engine run want time make run consistently Any thing over 30% nitro requires slightly rich setting 60% requires very rich setting often needing quarter lap clean out unload possible compute total horsepower produced over entire engine run youd probably find 25% produced least much power 60% because setting constant werent em barrassing rich outside loops sputters over lean consecutive inside ioops mention occasional flame-out Ive told adding equal portions nitro propane nitro methane fuel will give some resistance flame-out problem keep engine detonat ing hot humid days Some fuel manufacturers already use reasons also because cheaper nitro methane contestant local meet used 70% nitro 10% propylene oxide 20% castor oil fuel slow com bat plane engine did run cooler others using milder blends claims because alcohol ingredient makes hot run ning engines about some fuel magicians getting controversy rarely have humid weather Southern California testing some theories under adverse weather conditions practical subject engine runs youll often hear engine tuners talk about raising lowering head adding subtracting gaskets shims really doesnt solve problem makes less apparent real remedy would different combustion chamber shape weve days wed happy just have engine run no matter slow Top tuners tip using high pressure surgical tubing needle valve setting can made less critical adding special jet fuel line can make exposing length 012 piano wire ac quired friendly Goodyear flier flame match putting through one-in length 1/8th tubing either brass copper solder up end Wait until solder cools pull out wire presto 012 jet may have experiment various size jets idea find supplies just slightly fuel engine needs just fill bladder two ounces fuel measure time takes empty example 018 jet passes two ounces about 30 seconds whereas 012 takes about half minutes checked needle valve set use jet passed two ounces fuel just under two minutes Thanks letters pictures hope use everything soon Flying Dutchmen Pennsylvania would like discuss favorite maneuvers used pilots various situations Send fa vorite maneuver diagram compli cated other comment following address Charlie Johnson 3716 Ingraham St San Diego Calif 92109 714 273-6530 phone call very good friend Fred Buschbaum reminded favorite maneuver doing real well combat match team mates yelling cut string well Fred thought said thing crashed RC Pylon/Rankin "' 4 naae 20 ter make decisions glance can determine position airplane Lap counter man has two sets cards set has numbers through ten show laps another set show cuts four sets numbered cards color coded yellow white green orange matched re spective colored flag number pylon number displayed denotes lap airplane has started take-off number card displayed end first lap number two card dis TWENTY-SECOND ANNUAL TOLEDO RADIO CONTROL EXPOSITI ON TOLEDO 5PORT5 ARENA ONE MAIN STREET TOLEDO OHIO APRIL 23 &41976 FRIDAY9 AM TD B PM SATURDAY 9 AM TO 5 PM SUNDAY 9 AM TO 330 PM 4pm7 OPEN TO PUBLIC ALL THREE DAYS UNQUESTIONABLY THE WORLDS GREATEST RADIO CONTROL SHOW PRESENTED BY WEAK SIGNALS R/C CLUB P0 BOX 5772 TOLEDO OHIO 3B13 92 Model Aviation