NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT MUFF-L-AIRE I IDEAL FOR PLANES BOATS AND CARSMUFF-L-AIRE EXTREMELY COMPACTIDEAL FOR PLANES FULLY ADJUSTABLE NOISEBOATS LEVEL AND BACKAND $595 PRESSURE FOR BETTERCARS PERFORMANCE ADAPTS TO ALL ENGINES FROMNo 29 TO60144 ONLY 7N3 UNIVERSAL MUFFLER Designed installation wide variety engines 29 60 class Varying number baffle plates controls noise level backSpring action locks Kwik-Klip pressure desire positive contactPatent Pending No 151 battery wires S 125 -DU-BRO PRODUCTS INCORPORATED 480 Bonner Road Wauconda Illinois 60084 USA Openers continued page 60 grees Maybe fly some figure eights 5turns road Partial stalls want loopOKif can roll OK Overhead approach enter pattern downwind leg etc Perhaps shoot some touch-and-goes Better milling around aimlessly Enjoy theme flying Say did ever tell about idea have take Manhattan modelhey wherere going Letters Editor continued page 7 tially resulting lack publicity could introduce fliers events also help stimulate existing compe tition coverage Control-line Team Finals 1976 Team helped crease interest FAI Speed gave goal work towards representing US World Champs attained California summer hope make type inspiration possible other fliers like myself try keep enjoyable interna tional events alive through publicity power maybe once popular events will again flourish now Europe Charles Lieber Moorestown NJ December issuewhich included Team Race Finalsprobably relieved Mr Liebers distress bit although did contain report Speed Team Trials Nats-related team trials included November issue cause insufficient space report both Nats regular events team trials Speed Team Trials other scheduling situation due two sites two dates Once second part Speed Team Trials held affecting three top spots could get report February issue report received time January Engines/Berliner continued page 15 first Gnome rotary square pistons 393 bore stroke 335 cu displacement weight 165 lbs produced its 50 hpat 1150 rpm few later LeRhones can still seen lug ging full-scale reproductions World War airplanes displays World War began sputtering engines wobbling airplanes before long both seen amazing advances rotary engines part replaced water-cooled V-8s came direct ancestors superb V-12s nations used World War II early Vees impact creation Swiss en gineer living Spain went production France Britain later USA Hispano-Suiza familiarly known Hisso Its advanced de sign included en bloc cylinder construc tion cast-aluminum water jacket enclosing steel cylinders effectively lubricated valves gearing combination automatic manual mix ture control fuel system per mitted inverted flight development potential pano-Suiza vast first pro duction model put out 150 hp 1400 rpm boosted 240 hp 2200 rpm no increase internal dimen sions Once bore stroke en larged up-rated 300 hp During World War II almost 50000 produced mainly classic SPAD SE-SA along some Bris tol F2Bs Sopwith Dolphins production Hissos 900 V-8s common versions 150-220 hp bore 472 stroke 511 dis placement 718 cu weight 455-465 lbs free troubles engines time did have difficulties high-pressure February 1978 85 GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES IN18$700 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241300 318 BORE AT YOUR DEALER uSE TO PROPEL AIR CREATE THRUST AND BE PROPELLED BY AIR AT DISCRETION OF THE PURCHASER frI1aL PROPELLERS LL GRISH PROPELLERS ARE ENGINEERED TO TRUEHELICAL ITCH AND AIRFOIL FOR EFFICIENCY NEW COLOR. YELLOW propellers fIN DRIPEI phasing out. ULM UIUIbUU NATURAL WHITE phases 54543 Minor production63 savings help hold6486 down prices Grish94 engineered air-114116 efficiency and124125 strength remain same either color lubrication system reduction gear contemporary metallurgy wasnt up Meanwhile back safe side Atlantic America getting act its first important production en gine Curtiss OX-S powered US sole original contribution World War in-the-air JN-4 Jenny 4000 famous trainers built hundreds surplus engines poured private market after war become basis whole range civil aircraft including such famous marks Travelair Waco Curtiss Robin Such nostalgia connected OX-5 has long club have flown behind enjoy swapping tales adven tures OX-S like others day water-cooled aluminum crank case cylinders cast iron monel metal water jackets brazed onto bar rels pushrod actuated overhead valves last major engines have single ignition cause forced landings tendency water pump leak carburetor basic OX-S 4 bore 5 stroke piston displacement 503 cu weight 320 lbs ground out 90 hp 1400 rpm OX-S merely first step very young American aircraft engine industry second step Liberty V12 excellent engine first Liberty wasnt delivered until late 1917 5000 went wartime deHavilland DH-4s built li cense US hundred Handley-Page 0/400 bombers post-war use Lib erty permanently enshrined engine hall-of-fame Four powered Curtiss NC-4 first transatlantic flight airplane 1919 nose Fokker T-2 made first non-stop coast-to-coast flight across US 1923 Libertys two hefty Douglas World Cruisers became first airplanes fly around world 1924 Such flights proved better advertising slogans Lib erty quite powerplant Compared OX-5 Liberty big engine otherwise pretty conventional Based Mercedes style welded cylinders suffered such common complaints burned exhaust valves cracked water jackets broken accessory gears still good engine long enough spare parts handy bore 5 stroke 7 displacement 1650 cu later duplicated Rolls Royce Merlin Liberty weighed 850 lbs rated 420 hp 1700 rpm whereas Rolls 20 years later weighed half again much developed 3-5 times much power Once Liberty shown itself first-class engine Curtiss got game produced whole series castaluminum powerplants V-12s four valves per cylinder first gain fame D-12 used Curtiss P-I Boeing PW-9 pursuits Curtiss R-6 R-8 Army racers R-6 D-12 set world speed records 223 mph 237 mph 1922 broken following year R-8 259 mph finally 267 mph Perhaps finest use D-12 Steve Wittmans big Bonzo custombuilt Thompson Trophy Racer once hit 325 mph level flight screaming D-12 led directly Curtiss V-1400 Jimmy Doolit tIe won 1925 Schneider Trophy Race seaplanes 233 mph final development D-12 V-1570 Conqueror used classic Curtiss P-6 Hawk pursuit 1932 late 1935 Consolidated P-30 Once cooling water replaced glycol Conqueror shone its non-racing form D-12 pro duced 325 hp 1800 rpm bore 4/2 stroke 6 displacement 1145 cu weight 700 lbs As modified competition put out much 500 hp course required considerably maintenance Construction D- 12 similar Wright-built Hispano-Suiza cylinders aluminum rather common steel used European Hissos Through much history airplane engines liquid-cooled in-line engine has darling airframe designers well fans looks like powerful air craft engine should look can packed small sleekly-shaped cowl ing Yet has long true less glamorous-looking radial has really done work arguments will go ever about better must ad mitted radial better developed putting out power dif ferent uses turbine finally passed piston simpler lighter lacking awkward often annoying radiator plumbing liquid-cooled engine beginning important American radial engines late 1920s Wright J-5 Whirlwind came being Developed out smaller Lawrance J-l went production 1926 soon chosen some bestknown flying machines day par ticular played very large part success Lindberghs historic flight New York Paris 1927 running smoothly 33 hours first Ford Tn-motor airliners used Whirlwinds did early Lockheed Vega Pitcairn Mailwing others radial worked well USA Europe well major parts aeronautical industry decided 86 Model Aviation 2 Blade Tractor2 Blade Pusher 53 5/-43054-463 6435 6435d868W U 7-8SOd96 106$1 \ 5d 3Blade T actoBLADE 5363 64SOd 10-6 3Blade Pushe 11-8 Si63 cAurr 126SiSO Made P0 ye$te donOtbO o coo86 ATYOUADEALEK96 06 Pate06$150 0 RUSH ST JOHN INDIANA n Color 51 S125 104 $150 concentrate put less effort money trying perfect liquidcooled in-lines lower weight re duced maintenance first partly can celled out greater drag radial NACA developed its clean round cowling became possible build radial-engined planes fast in-line brothers still being demonstrated Reno Air Races Bearcats have won twice races Mustangs Wright J-5 R-790 won pres tigious Collier Trophy its makers 1927 soon led R-975 used some Beech Staggerwings prede cessor AT-6 R-1820 Cyclone used B-25 finally R-3350 used B-29 Constellation original J-5 bore 4 stroke 5/2 weight 508 lbs compression ratio 52 1 developed its 200 hp 1800 rpm Along immensely popular line radial engines 1920s 1930s some considerably less well known some cases radical designs nevertheless made own con tributions history devices make propellers go around airplanes go forward include barrel cam engines sleeve-valve designs lat ter British speciality Bristol engines type used thousands RAF bombers style piston engine has long used road vehicles brief success airplanes diesel After considerable experience German dirigibles tried airplanes Packard built good enough set non-refueling duration record 84 hours Ger mans brought diesel its greatest point Junkers Jumo 6-cylinder verticallyopposed water-cooled diesel used some extent pre-war airliners tracted attention powering Ju-86P high-altitude spy plane during early days World War II took spe cial model Spitfire climb above 40000 feet oil-burner working unmolested end line compression-ignition engine airplanes high-compres sion gasoline engine passed Jumo supercharging developed 750 hp 1800 rpm weighed 1650 lbs supercharging put out 1200 hp 3000 rpm other piston engines devel oped during period played ma jor roles story aircraft propulsion today gas turbine seems dominant tens thou sands being built Continental Ly coming year dozen herein described seem have played vital roles progress power few rattling horsepower thousands smooth dependable horses made airr 3 epoxy glues Because know model building cant done type glue Thatswhy Hobbypoxy makes three Formula 1 general purpose epoxy glue gives 15 minutes work ing time cures hard hour Thats just about right construction insllation components need shifted around bit perfect alignment before glue sets Formula 2 has much longer working time 45 minutes makes per fect large-area laminating planking wings can put glue ribs position skins pin down before glue hardens Formula 2 also recommended fiberglass layup fuel-proofing engine compartments surfacing resin bare balsa* Formula 4 superior version popular five minute epoxies Great quick construction quick repairs perfect joining parts impossible clamp pin st hand-hold few short minutes its done Hobbypoxy epoxy glues completely fuel proof permanently flexible Joints will never crack shatter way some other epoxies contrary popular myth Hobbypoxy epoxy glues will adhere cure properly prepared fiberglass So whatever youve got glue glue Hobby poxy original epoxy models *For complete description use Formula 2 finishing send free Poxy Painting Pointers brochure Write word glue request HOIhYPUNY PRODUCTS planes useful Radio Technique/Myers continued page 17 tions cannot mix encoding schemes such old single-channel pulse scheme reed systems modern digital proportional Variant another sys tem works its own transmitter/ receiver combinations total number channels transmitter has within two three number receiver can have trouble reset pulse wasted some time trying operate 2-channel receiver 6-channel trans mitter speak experience Division Pettit Paint Co Inc 25 Pine Street Rockaway NJ 07866 Another problem area can neu tral-pulse time new Kraft KP-4A system components interchange able other Kraft systems primarily because use l7ms neutral instead customary 1 5ms also moved wires Multicon connector servos cant connected plugged wrong receiver Receivers Subject discussion above can exchange receivers among various systems primary difficulty will plugs set plugs make necessary adapters 4-channel system will cost 7 10 dollars forced cut up aileron extender cables $3 apiece its Remember youll need February 1 978 87
Edition: Model Aviation - 1978/02
Page Numbers: 8, 9, 10, 11, 12, 13, 14, 15, 85, 86, 87
NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT MUFF-L-AIRE I IDEAL FOR PLANES BOATS AND CARSMUFF-L-AIRE EXTREMELY COMPACTIDEAL FOR PLANES FULLY ADJUSTABLE NOISEBOATS LEVEL AND BACKAND $595 PRESSURE FOR BETTERCARS PERFORMANCE ADAPTS TO ALL ENGINES FROMNo 29 TO60144 ONLY 7N3 UNIVERSAL MUFFLER Designed installation wide variety engines 29 60 class Varying number baffle plates controls noise level backSpring action locks Kwik-Klip pressure desire positive contactPatent Pending No 151 battery wires S 125 -DU-BRO PRODUCTS INCORPORATED 480 Bonner Road Wauconda Illinois 60084 USA Openers continued page 60 grees Maybe fly some figure eights 5turns road Partial stalls want loopOKif can roll OK Overhead approach enter pattern downwind leg etc Perhaps shoot some touch-and-goes Better milling around aimlessly Enjoy theme flying Say did ever tell about idea have take Manhattan modelhey wherere going Letters Editor continued page 7 tially resulting lack publicity could introduce fliers events also help stimulate existing compe tition coverage Control-line Team Finals 1976 Team helped crease interest FAI Speed gave goal work towards representing US World Champs attained California summer hope make type inspiration possible other fliers like myself try keep enjoyable interna tional events alive through publicity power maybe once popular events will again flourish now Europe Charles Lieber Moorestown NJ December issuewhich included Team Race Finalsprobably relieved Mr Liebers distress bit although did contain report Speed Team Trials Nats-related team trials included November issue cause insufficient space report both Nats regular events team trials Speed Team Trials other scheduling situation due two sites two dates Once second part Speed Team Trials held affecting three top spots could get report February issue report received time January Engines/Berliner continued page 15 first Gnome rotary square pistons 393 bore stroke 335 cu displacement weight 165 lbs produced its 50 hpat 1150 rpm few later LeRhones can still seen lug ging full-scale reproductions World War airplanes displays World War began sputtering engines wobbling airplanes before long both seen amazing advances rotary engines part replaced water-cooled V-8s came direct ancestors superb V-12s nations used World War II early Vees impact creation Swiss en gineer living Spain went production France Britain later USA Hispano-Suiza familiarly known Hisso Its advanced de sign included en bloc cylinder construc tion cast-aluminum water jacket enclosing steel cylinders effectively lubricated valves gearing combination automatic manual mix ture control fuel system per mitted inverted flight development potential pano-Suiza vast first pro duction model put out 150 hp 1400 rpm boosted 240 hp 2200 rpm no increase internal dimen sions Once bore stroke en larged up-rated 300 hp During World War II almost 50000 produced mainly classic SPAD SE-SA along some Bris tol F2Bs Sopwith Dolphins production Hissos 900 V-8s common versions 150-220 hp bore 472 stroke 511 dis placement 718 cu weight 455-465 lbs free troubles engines time did have difficulties high-pressure February 1978 85 GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES IN18$700 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241300 318 BORE AT YOUR DEALER uSE TO PROPEL AIR CREATE THRUST AND BE PROPELLED BY AIR AT DISCRETION OF THE PURCHASER frI1aL PROPELLERS LL GRISH PROPELLERS ARE ENGINEERED TO TRUEHELICAL ITCH AND AIRFOIL FOR EFFICIENCY NEW COLOR. YELLOW propellers fIN DRIPEI phasing out. ULM UIUIbUU NATURAL WHITE phases 54543 Minor production63 savings help hold6486 down prices Grish94 engineered air-114116 efficiency and124125 strength remain same either color lubrication system reduction gear contemporary metallurgy wasnt up Meanwhile back safe side Atlantic America getting act its first important production en gine Curtiss OX-S powered US sole original contribution World War in-the-air JN-4 Jenny 4000 famous trainers built hundreds surplus engines poured private market after war become basis whole range civil aircraft including such famous marks Travelair Waco Curtiss Robin Such nostalgia connected OX-5 has long club have flown behind enjoy swapping tales adven tures OX-S like others day water-cooled aluminum crank case cylinders cast iron monel metal water jackets brazed onto bar rels pushrod actuated overhead valves last major engines have single ignition cause forced landings tendency water pump leak carburetor basic OX-S 4 bore 5 stroke piston displacement 503 cu weight 320 lbs ground out 90 hp 1400 rpm OX-S merely first step very young American aircraft engine industry second step Liberty V12 excellent engine first Liberty wasnt delivered until late 1917 5000 went wartime deHavilland DH-4s built li cense US hundred Handley-Page 0/400 bombers post-war use Lib erty permanently enshrined engine hall-of-fame Four powered Curtiss NC-4 first transatlantic flight airplane 1919 nose Fokker T-2 made first non-stop coast-to-coast flight across US 1923 Libertys two hefty Douglas World Cruisers became first airplanes fly around world 1924 Such flights proved better advertising slogans Lib erty quite powerplant Compared OX-5 Liberty big engine otherwise pretty conventional Based Mercedes style welded cylinders suffered such common complaints burned exhaust valves cracked water jackets broken accessory gears still good engine long enough spare parts handy bore 5 stroke 7 displacement 1650 cu later duplicated Rolls Royce Merlin Liberty weighed 850 lbs rated 420 hp 1700 rpm whereas Rolls 20 years later weighed half again much developed 3-5 times much power Once Liberty shown itself first-class engine Curtiss got game produced whole series castaluminum powerplants V-12s four valves per cylinder first gain fame D-12 used Curtiss P-I Boeing PW-9 pursuits Curtiss R-6 R-8 Army racers R-6 D-12 set world speed records 223 mph 237 mph 1922 broken following year R-8 259 mph finally 267 mph Perhaps finest use D-12 Steve Wittmans big Bonzo custombuilt Thompson Trophy Racer once hit 325 mph level flight screaming D-12 led directly Curtiss V-1400 Jimmy Doolit tIe won 1925 Schneider Trophy Race seaplanes 233 mph final development D-12 V-1570 Conqueror used classic Curtiss P-6 Hawk pursuit 1932 late 1935 Consolidated P-30 Once cooling water replaced glycol Conqueror shone its non-racing form D-12 pro duced 325 hp 1800 rpm bore 4/2 stroke 6 displacement 1145 cu weight 700 lbs As modified competition put out much 500 hp course required considerably maintenance Construction D- 12 similar Wright-built Hispano-Suiza cylinders aluminum rather common steel used European Hissos Through much history airplane engines liquid-cooled in-line engine has darling airframe designers well fans looks like powerful air craft engine should look can packed small sleekly-shaped cowl ing Yet has long true less glamorous-looking radial has really done work arguments will go ever about better must ad mitted radial better developed putting out power dif ferent uses turbine finally passed piston simpler lighter lacking awkward often annoying radiator plumbing liquid-cooled engine beginning important American radial engines late 1920s Wright J-5 Whirlwind came being Developed out smaller Lawrance J-l went production 1926 soon chosen some bestknown flying machines day par ticular played very large part success Lindberghs historic flight New York Paris 1927 running smoothly 33 hours first Ford Tn-motor airliners used Whirlwinds did early Lockheed Vega Pitcairn Mailwing others radial worked well USA Europe well major parts aeronautical industry decided 86 Model Aviation 2 Blade Tractor2 Blade Pusher 53 5/-43054-463 6435 6435d868W U 7-8SOd96 106$1 \ 5d 3Blade T actoBLADE 5363 64SOd 10-6 3Blade Pushe 11-8 Si63 cAurr 126SiSO Made P0 ye$te donOtbO o coo86 ATYOUADEALEK96 06 Pate06$150 0 RUSH ST JOHN INDIANA n Color 51 S125 104 $150 concentrate put less effort money trying perfect liquidcooled in-lines lower weight re duced maintenance first partly can celled out greater drag radial NACA developed its clean round cowling became possible build radial-engined planes fast in-line brothers still being demonstrated Reno Air Races Bearcats have won twice races Mustangs Wright J-5 R-790 won pres tigious Collier Trophy its makers 1927 soon led R-975 used some Beech Staggerwings prede cessor AT-6 R-1820 Cyclone used B-25 finally R-3350 used B-29 Constellation original J-5 bore 4 stroke 5/2 weight 508 lbs compression ratio 52 1 developed its 200 hp 1800 rpm Along immensely popular line radial engines 1920s 1930s some considerably less well known some cases radical designs nevertheless made own con tributions history devices make propellers go around airplanes go forward include barrel cam engines sleeve-valve designs lat ter British speciality Bristol engines type used thousands RAF bombers style piston engine has long used road vehicles brief success airplanes diesel After considerable experience German dirigibles tried airplanes Packard built good enough set non-refueling duration record 84 hours Ger mans brought diesel its greatest point Junkers Jumo 6-cylinder verticallyopposed water-cooled diesel used some extent pre-war airliners tracted attention powering Ju-86P high-altitude spy plane during early days World War II took spe cial model Spitfire climb above 40000 feet oil-burner working unmolested end line compression-ignition engine airplanes high-compres sion gasoline engine passed Jumo supercharging developed 750 hp 1800 rpm weighed 1650 lbs supercharging put out 1200 hp 3000 rpm other piston engines devel oped during period played ma jor roles story aircraft propulsion today gas turbine seems dominant tens thou sands being built Continental Ly coming year dozen herein described seem have played vital roles progress power few rattling horsepower thousands smooth dependable horses made airr 3 epoxy glues Because know model building cant done type glue Thatswhy Hobbypoxy makes three Formula 1 general purpose epoxy glue gives 15 minutes work ing time cures hard hour Thats just about right construction insllation components need shifted around bit perfect alignment before glue sets Formula 2 has much longer working time 45 minutes makes per fect large-area laminating planking wings can put glue ribs position skins pin down before glue hardens Formula 2 also recommended fiberglass layup fuel-proofing engine compartments surfacing resin bare balsa* Formula 4 superior version popular five minute epoxies Great quick construction quick repairs perfect joining parts impossible clamp pin st hand-hold few short minutes its done Hobbypoxy epoxy glues completely fuel proof permanently flexible Joints will never crack shatter way some other epoxies contrary popular myth Hobbypoxy epoxy glues will adhere cure properly prepared fiberglass So whatever youve got glue glue Hobby poxy original epoxy models *For complete description use Formula 2 finishing send free Poxy Painting Pointers brochure Write word glue request HOIhYPUNY PRODUCTS planes useful Radio Technique/Myers continued page 17 tions cannot mix encoding schemes such old single-channel pulse scheme reed systems modern digital proportional Variant another sys tem works its own transmitter/ receiver combinations total number channels transmitter has within two three number receiver can have trouble reset pulse wasted some time trying operate 2-channel receiver 6-channel trans mitter speak experience Division Pettit Paint Co Inc 25 Pine Street Rockaway NJ 07866 Another problem area can neu tral-pulse time new Kraft KP-4A system components interchange able other Kraft systems primarily because use l7ms neutral instead customary 1 5ms also moved wires Multicon connector servos cant connected plugged wrong receiver Receivers Subject discussion above can exchange receivers among various systems primary difficulty will plugs set plugs make necessary adapters 4-channel system will cost 7 10 dollars forced cut up aileron extender cables $3 apiece its Remember youll need February 1 978 87
Edition: Model Aviation - 1978/02
Page Numbers: 8, 9, 10, 11, 12, 13, 14, 15, 85, 86, 87
NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT MUFF-L-AIRE I IDEAL FOR PLANES BOATS AND CARSMUFF-L-AIRE EXTREMELY COMPACTIDEAL FOR PLANES FULLY ADJUSTABLE NOISEBOATS LEVEL AND BACKAND $595 PRESSURE FOR BETTERCARS PERFORMANCE ADAPTS TO ALL ENGINES FROMNo 29 TO60144 ONLY 7N3 UNIVERSAL MUFFLER Designed installation wide variety engines 29 60 class Varying number baffle plates controls noise level backSpring action locks Kwik-Klip pressure desire positive contactPatent Pending No 151 battery wires S 125 -DU-BRO PRODUCTS INCORPORATED 480 Bonner Road Wauconda Illinois 60084 USA Openers continued page 60 grees Maybe fly some figure eights 5turns road Partial stalls want loopOKif can roll OK Overhead approach enter pattern downwind leg etc Perhaps shoot some touch-and-goes Better milling around aimlessly Enjoy theme flying Say did ever tell about idea have take Manhattan modelhey wherere going Letters Editor continued page 7 tially resulting lack publicity could introduce fliers events also help stimulate existing compe tition coverage Control-line Team Finals 1976 Team helped crease interest FAI Speed gave goal work towards representing US World Champs attained California summer hope make type inspiration possible other fliers like myself try keep enjoyable interna tional events alive through publicity power maybe once popular events will again flourish now Europe Charles Lieber Moorestown NJ December issuewhich included Team Race Finalsprobably relieved Mr Liebers distress bit although did contain report Speed Team Trials Nats-related team trials included November issue cause insufficient space report both Nats regular events team trials Speed Team Trials other scheduling situation due two sites two dates Once second part Speed Team Trials held affecting three top spots could get report February issue report received time January Engines/Berliner continued page 15 first Gnome rotary square pistons 393 bore stroke 335 cu displacement weight 165 lbs produced its 50 hpat 1150 rpm few later LeRhones can still seen lug ging full-scale reproductions World War airplanes displays World War began sputtering engines wobbling airplanes before long both seen amazing advances rotary engines part replaced water-cooled V-8s came direct ancestors superb V-12s nations used World War II early Vees impact creation Swiss en gineer living Spain went production France Britain later USA Hispano-Suiza familiarly known Hisso Its advanced de sign included en bloc cylinder construc tion cast-aluminum water jacket enclosing steel cylinders effectively lubricated valves gearing combination automatic manual mix ture control fuel system per mitted inverted flight development potential pano-Suiza vast first pro duction model put out 150 hp 1400 rpm boosted 240 hp 2200 rpm no increase internal dimen sions Once bore stroke en larged up-rated 300 hp During World War II almost 50000 produced mainly classic SPAD SE-SA along some Bris tol F2Bs Sopwith Dolphins production Hissos 900 V-8s common versions 150-220 hp bore 472 stroke 511 dis placement 718 cu weight 455-465 lbs free troubles engines time did have difficulties high-pressure February 1978 85 GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES IN18$700 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241300 318 BORE AT YOUR DEALER uSE TO PROPEL AIR CREATE THRUST AND BE PROPELLED BY AIR AT DISCRETION OF THE PURCHASER frI1aL PROPELLERS LL GRISH PROPELLERS ARE ENGINEERED TO TRUEHELICAL ITCH AND AIRFOIL FOR EFFICIENCY NEW COLOR. YELLOW propellers fIN DRIPEI phasing out. ULM UIUIbUU NATURAL WHITE phases 54543 Minor production63 savings help hold6486 down prices Grish94 engineered air-114116 efficiency and124125 strength remain same either color lubrication system reduction gear contemporary metallurgy wasnt up Meanwhile back safe side Atlantic America getting act its first important production en gine Curtiss OX-S powered US sole original contribution World War in-the-air JN-4 Jenny 4000 famous trainers built hundreds surplus engines poured private market after war become basis whole range civil aircraft including such famous marks Travelair Waco Curtiss Robin Such nostalgia connected OX-5 has long club have flown behind enjoy swapping tales adven tures OX-S like others day water-cooled aluminum crank case cylinders cast iron monel metal water jackets brazed onto bar rels pushrod actuated overhead valves last major engines have single ignition cause forced landings tendency water pump leak carburetor basic OX-S 4 bore 5 stroke piston displacement 503 cu weight 320 lbs ground out 90 hp 1400 rpm OX-S merely first step very young American aircraft engine industry second step Liberty V12 excellent engine first Liberty wasnt delivered until late 1917 5000 went wartime deHavilland DH-4s built li cense US hundred Handley-Page 0/400 bombers post-war use Lib erty permanently enshrined engine hall-of-fame Four powered Curtiss NC-4 first transatlantic flight airplane 1919 nose Fokker T-2 made first non-stop coast-to-coast flight across US 1923 Libertys two hefty Douglas World Cruisers became first airplanes fly around world 1924 Such flights proved better advertising slogans Lib erty quite powerplant Compared OX-5 Liberty big engine otherwise pretty conventional Based Mercedes style welded cylinders suffered such common complaints burned exhaust valves cracked water jackets broken accessory gears still good engine long enough spare parts handy bore 5 stroke 7 displacement 1650 cu later duplicated Rolls Royce Merlin Liberty weighed 850 lbs rated 420 hp 1700 rpm whereas Rolls 20 years later weighed half again much developed 3-5 times much power Once Liberty shown itself first-class engine Curtiss got game produced whole series castaluminum powerplants V-12s four valves per cylinder first gain fame D-12 used Curtiss P-I Boeing PW-9 pursuits Curtiss R-6 R-8 Army racers R-6 D-12 set world speed records 223 mph 237 mph 1922 broken following year R-8 259 mph finally 267 mph Perhaps finest use D-12 Steve Wittmans big Bonzo custombuilt Thompson Trophy Racer once hit 325 mph level flight screaming D-12 led directly Curtiss V-1400 Jimmy Doolit tIe won 1925 Schneider Trophy Race seaplanes 233 mph final development D-12 V-1570 Conqueror used classic Curtiss P-6 Hawk pursuit 1932 late 1935 Consolidated P-30 Once cooling water replaced glycol Conqueror shone its non-racing form D-12 pro duced 325 hp 1800 rpm bore 4/2 stroke 6 displacement 1145 cu weight 700 lbs As modified competition put out much 500 hp course required considerably maintenance Construction D- 12 similar Wright-built Hispano-Suiza cylinders aluminum rather common steel used European Hissos Through much history airplane engines liquid-cooled in-line engine has darling airframe designers well fans looks like powerful air craft engine should look can packed small sleekly-shaped cowl ing Yet has long true less glamorous-looking radial has really done work arguments will go ever about better must ad mitted radial better developed putting out power dif ferent uses turbine finally passed piston simpler lighter lacking awkward often annoying radiator plumbing liquid-cooled engine beginning important American radial engines late 1920s Wright J-5 Whirlwind came being Developed out smaller Lawrance J-l went production 1926 soon chosen some bestknown flying machines day par ticular played very large part success Lindberghs historic flight New York Paris 1927 running smoothly 33 hours first Ford Tn-motor airliners used Whirlwinds did early Lockheed Vega Pitcairn Mailwing others radial worked well USA Europe well major parts aeronautical industry decided 86 Model Aviation 2 Blade Tractor2 Blade Pusher 53 5/-43054-463 6435 6435d868W U 7-8SOd96 106$1 \ 5d 3Blade T actoBLADE 5363 64SOd 10-6 3Blade Pushe 11-8 Si63 cAurr 126SiSO Made P0 ye$te donOtbO o coo86 ATYOUADEALEK96 06 Pate06$150 0 RUSH ST JOHN INDIANA n Color 51 S125 104 $150 concentrate put less effort money trying perfect liquidcooled in-lines lower weight re duced maintenance first partly can celled out greater drag radial NACA developed its clean round cowling became possible build radial-engined planes fast in-line brothers still being demonstrated Reno Air Races Bearcats have won twice races Mustangs Wright J-5 R-790 won pres tigious Collier Trophy its makers 1927 soon led R-975 used some Beech Staggerwings prede cessor AT-6 R-1820 Cyclone used B-25 finally R-3350 used B-29 Constellation original J-5 bore 4 stroke 5/2 weight 508 lbs compression ratio 52 1 developed its 200 hp 1800 rpm Along immensely popular line radial engines 1920s 1930s some considerably less well known some cases radical designs nevertheless made own con tributions history devices make propellers go around airplanes go forward include barrel cam engines sleeve-valve designs lat ter British speciality Bristol engines type used thousands RAF bombers style piston engine has long used road vehicles brief success airplanes diesel After considerable experience German dirigibles tried airplanes Packard built good enough set non-refueling duration record 84 hours Ger mans brought diesel its greatest point Junkers Jumo 6-cylinder verticallyopposed water-cooled diesel used some extent pre-war airliners tracted attention powering Ju-86P high-altitude spy plane during early days World War II took spe cial model Spitfire climb above 40000 feet oil-burner working unmolested end line compression-ignition engine airplanes high-compres sion gasoline engine passed Jumo supercharging developed 750 hp 1800 rpm weighed 1650 lbs supercharging put out 1200 hp 3000 rpm other piston engines devel oped during period played ma jor roles story aircraft propulsion today gas turbine seems dominant tens thou sands being built Continental Ly coming year dozen herein described seem have played vital roles progress power few rattling horsepower thousands smooth dependable horses made airr 3 epoxy glues Because know model building cant done type glue Thatswhy Hobbypoxy makes three Formula 1 general purpose epoxy glue gives 15 minutes work ing time cures hard hour Thats just about right construction insllation components need shifted around bit perfect alignment before glue sets Formula 2 has much longer working time 45 minutes makes per fect large-area laminating planking wings can put glue ribs position skins pin down before glue hardens Formula 2 also recommended fiberglass layup fuel-proofing engine compartments surfacing resin bare balsa* Formula 4 superior version popular five minute epoxies Great quick construction quick repairs perfect joining parts impossible clamp pin st hand-hold few short minutes its done Hobbypoxy epoxy glues completely fuel proof permanently flexible Joints will never crack shatter way some other epoxies contrary popular myth Hobbypoxy epoxy glues will adhere cure properly prepared fiberglass So whatever youve got glue glue Hobby poxy original epoxy models *For complete description use Formula 2 finishing send free Poxy Painting Pointers brochure Write word glue request HOIhYPUNY PRODUCTS planes useful Radio Technique/Myers continued page 17 tions cannot mix encoding schemes such old single-channel pulse scheme reed systems modern digital proportional Variant another sys tem works its own transmitter/ receiver combinations total number channels transmitter has within two three number receiver can have trouble reset pulse wasted some time trying operate 2-channel receiver 6-channel trans mitter speak experience Division Pettit Paint Co Inc 25 Pine Street Rockaway NJ 07866 Another problem area can neu tral-pulse time new Kraft KP-4A system components interchange able other Kraft systems primarily because use l7ms neutral instead customary 1 5ms also moved wires Multicon connector servos cant connected plugged wrong receiver Receivers Subject discussion above can exchange receivers among various systems primary difficulty will plugs set plugs make necessary adapters 4-channel system will cost 7 10 dollars forced cut up aileron extender cables $3 apiece its Remember youll need February 1 978 87
Edition: Model Aviation - 1978/02
Page Numbers: 8, 9, 10, 11, 12, 13, 14, 15, 85, 86, 87
NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT MUFF-L-AIRE I IDEAL FOR PLANES BOATS AND CARSMUFF-L-AIRE EXTREMELY COMPACTIDEAL FOR PLANES FULLY ADJUSTABLE NOISEBOATS LEVEL AND BACKAND $595 PRESSURE FOR BETTERCARS PERFORMANCE ADAPTS TO ALL ENGINES FROMNo 29 TO60144 ONLY 7N3 UNIVERSAL MUFFLER Designed installation wide variety engines 29 60 class Varying number baffle plates controls noise level backSpring action locks Kwik-Klip pressure desire positive contactPatent Pending No 151 battery wires S 125 -DU-BRO PRODUCTS INCORPORATED 480 Bonner Road Wauconda Illinois 60084 USA Openers continued page 60 grees Maybe fly some figure eights 5turns road Partial stalls want loopOKif can roll OK Overhead approach enter pattern downwind leg etc Perhaps shoot some touch-and-goes Better milling around aimlessly Enjoy theme flying Say did ever tell about idea have take Manhattan modelhey wherere going Letters Editor continued page 7 tially resulting lack publicity could introduce fliers events also help stimulate existing compe tition coverage Control-line Team Finals 1976 Team helped crease interest FAI Speed gave goal work towards representing US World Champs attained California summer hope make type inspiration possible other fliers like myself try keep enjoyable interna tional events alive through publicity power maybe once popular events will again flourish now Europe Charles Lieber Moorestown NJ December issuewhich included Team Race Finalsprobably relieved Mr Liebers distress bit although did contain report Speed Team Trials Nats-related team trials included November issue cause insufficient space report both Nats regular events team trials Speed Team Trials other scheduling situation due two sites two dates Once second part Speed Team Trials held affecting three top spots could get report February issue report received time January Engines/Berliner continued page 15 first Gnome rotary square pistons 393 bore stroke 335 cu displacement weight 165 lbs produced its 50 hpat 1150 rpm few later LeRhones can still seen lug ging full-scale reproductions World War airplanes displays World War began sputtering engines wobbling airplanes before long both seen amazing advances rotary engines part replaced water-cooled V-8s came direct ancestors superb V-12s nations used World War II early Vees impact creation Swiss en gineer living Spain went production France Britain later USA Hispano-Suiza familiarly known Hisso Its advanced de sign included en bloc cylinder construc tion cast-aluminum water jacket enclosing steel cylinders effectively lubricated valves gearing combination automatic manual mix ture control fuel system per mitted inverted flight development potential pano-Suiza vast first pro duction model put out 150 hp 1400 rpm boosted 240 hp 2200 rpm no increase internal dimen sions Once bore stroke en larged up-rated 300 hp During World War II almost 50000 produced mainly classic SPAD SE-SA along some Bris tol F2Bs Sopwith Dolphins production Hissos 900 V-8s common versions 150-220 hp bore 472 stroke 511 dis placement 718 cu weight 455-465 lbs free troubles engines time did have difficulties high-pressure February 1978 85 GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES IN18$700 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241300 318 BORE AT YOUR DEALER uSE TO PROPEL AIR CREATE THRUST AND BE PROPELLED BY AIR AT DISCRETION OF THE PURCHASER frI1aL PROPELLERS LL GRISH PROPELLERS ARE ENGINEERED TO TRUEHELICAL ITCH AND AIRFOIL FOR EFFICIENCY NEW COLOR. YELLOW propellers fIN DRIPEI phasing out. ULM UIUIbUU NATURAL WHITE phases 54543 Minor production63 savings help hold6486 down prices Grish94 engineered air-114116 efficiency and124125 strength remain same either color lubrication system reduction gear contemporary metallurgy wasnt up Meanwhile back safe side Atlantic America getting act its first important production en gine Curtiss OX-S powered US sole original contribution World War in-the-air JN-4 Jenny 4000 famous trainers built hundreds surplus engines poured private market after war become basis whole range civil aircraft including such famous marks Travelair Waco Curtiss Robin Such nostalgia connected OX-5 has long club have flown behind enjoy swapping tales adven tures OX-S like others day water-cooled aluminum crank case cylinders cast iron monel metal water jackets brazed onto bar rels pushrod actuated overhead valves last major engines have single ignition cause forced landings tendency water pump leak carburetor basic OX-S 4 bore 5 stroke piston displacement 503 cu weight 320 lbs ground out 90 hp 1400 rpm OX-S merely first step very young American aircraft engine industry second step Liberty V12 excellent engine first Liberty wasnt delivered until late 1917 5000 went wartime deHavilland DH-4s built li cense US hundred Handley-Page 0/400 bombers post-war use Lib erty permanently enshrined engine hall-of-fame Four powered Curtiss NC-4 first transatlantic flight airplane 1919 nose Fokker T-2 made first non-stop coast-to-coast flight across US 1923 Libertys two hefty Douglas World Cruisers became first airplanes fly around world 1924 Such flights proved better advertising slogans Lib erty quite powerplant Compared OX-5 Liberty big engine otherwise pretty conventional Based Mercedes style welded cylinders suffered such common complaints burned exhaust valves cracked water jackets broken accessory gears still good engine long enough spare parts handy bore 5 stroke 7 displacement 1650 cu later duplicated Rolls Royce Merlin Liberty weighed 850 lbs rated 420 hp 1700 rpm whereas Rolls 20 years later weighed half again much developed 3-5 times much power Once Liberty shown itself first-class engine Curtiss got game produced whole series castaluminum powerplants V-12s four valves per cylinder first gain fame D-12 used Curtiss P-I Boeing PW-9 pursuits Curtiss R-6 R-8 Army racers R-6 D-12 set world speed records 223 mph 237 mph 1922 broken following year R-8 259 mph finally 267 mph Perhaps finest use D-12 Steve Wittmans big Bonzo custombuilt Thompson Trophy Racer once hit 325 mph level flight screaming D-12 led directly Curtiss V-1400 Jimmy Doolit tIe won 1925 Schneider Trophy Race seaplanes 233 mph final development D-12 V-1570 Conqueror used classic Curtiss P-6 Hawk pursuit 1932 late 1935 Consolidated P-30 Once cooling water replaced glycol Conqueror shone its non-racing form D-12 pro duced 325 hp 1800 rpm bore 4/2 stroke 6 displacement 1145 cu weight 700 lbs As modified competition put out much 500 hp course required considerably maintenance Construction D- 12 similar Wright-built Hispano-Suiza cylinders aluminum rather common steel used European Hissos Through much history airplane engines liquid-cooled in-line engine has darling airframe designers well fans looks like powerful air craft engine should look can packed small sleekly-shaped cowl ing Yet has long true less glamorous-looking radial has really done work arguments will go ever about better must ad mitted radial better developed putting out power dif ferent uses turbine finally passed piston simpler lighter lacking awkward often annoying radiator plumbing liquid-cooled engine beginning important American radial engines late 1920s Wright J-5 Whirlwind came being Developed out smaller Lawrance J-l went production 1926 soon chosen some bestknown flying machines day par ticular played very large part success Lindberghs historic flight New York Paris 1927 running smoothly 33 hours first Ford Tn-motor airliners used Whirlwinds did early Lockheed Vega Pitcairn Mailwing others radial worked well USA Europe well major parts aeronautical industry decided 86 Model Aviation 2 Blade Tractor2 Blade Pusher 53 5/-43054-463 6435 6435d868W U 7-8SOd96 106$1 \ 5d 3Blade T actoBLADE 5363 64SOd 10-6 3Blade Pushe 11-8 Si63 cAurr 126SiSO Made P0 ye$te donOtbO o coo86 ATYOUADEALEK96 06 Pate06$150 0 RUSH ST JOHN INDIANA n Color 51 S125 104 $150 concentrate put less effort money trying perfect liquidcooled in-lines lower weight re duced maintenance first partly can celled out greater drag radial NACA developed its clean round cowling became possible build radial-engined planes fast in-line brothers still being demonstrated Reno Air Races Bearcats have won twice races Mustangs Wright J-5 R-790 won pres tigious Collier Trophy its makers 1927 soon led R-975 used some Beech Staggerwings prede cessor AT-6 R-1820 Cyclone used B-25 finally R-3350 used B-29 Constellation original J-5 bore 4 stroke 5/2 weight 508 lbs compression ratio 52 1 developed its 200 hp 1800 rpm Along immensely popular line radial engines 1920s 1930s some considerably less well known some cases radical designs nevertheless made own con tributions history devices make propellers go around airplanes go forward include barrel cam engines sleeve-valve designs lat ter British speciality Bristol engines type used thousands RAF bombers style piston engine has long used road vehicles brief success airplanes diesel After considerable experience German dirigibles tried airplanes Packard built good enough set non-refueling duration record 84 hours Ger mans brought diesel its greatest point Junkers Jumo 6-cylinder verticallyopposed water-cooled diesel used some extent pre-war airliners tracted attention powering Ju-86P high-altitude spy plane during early days World War II took spe cial model Spitfire climb above 40000 feet oil-burner working unmolested end line compression-ignition engine airplanes high-compres sion gasoline engine passed Jumo supercharging developed 750 hp 1800 rpm weighed 1650 lbs supercharging put out 1200 hp 3000 rpm other piston engines devel oped during period played ma jor roles story aircraft propulsion today gas turbine seems dominant tens thou sands being built Continental Ly coming year dozen herein described seem have played vital roles progress power few rattling horsepower thousands smooth dependable horses made airr 3 epoxy glues Because know model building cant done type glue Thatswhy Hobbypoxy makes three Formula 1 general purpose epoxy glue gives 15 minutes work ing time cures hard hour Thats just about right construction insllation components need shifted around bit perfect alignment before glue sets Formula 2 has much longer working time 45 minutes makes per fect large-area laminating planking wings can put glue ribs position skins pin down before glue hardens Formula 2 also recommended fiberglass layup fuel-proofing engine compartments surfacing resin bare balsa* Formula 4 superior version popular five minute epoxies Great quick construction quick repairs perfect joining parts impossible clamp pin st hand-hold few short minutes its done Hobbypoxy epoxy glues completely fuel proof permanently flexible Joints will never crack shatter way some other epoxies contrary popular myth Hobbypoxy epoxy glues will adhere cure properly prepared fiberglass So whatever youve got glue glue Hobby poxy original epoxy models *For complete description use Formula 2 finishing send free Poxy Painting Pointers brochure Write word glue request HOIhYPUNY PRODUCTS planes useful Radio Technique/Myers continued page 17 tions cannot mix encoding schemes such old single-channel pulse scheme reed systems modern digital proportional Variant another sys tem works its own transmitter/ receiver combinations total number channels transmitter has within two three number receiver can have trouble reset pulse wasted some time trying operate 2-channel receiver 6-channel trans mitter speak experience Division Pettit Paint Co Inc 25 Pine Street Rockaway NJ 07866 Another problem area can neu tral-pulse time new Kraft KP-4A system components interchange able other Kraft systems primarily because use l7ms neutral instead customary 1 5ms also moved wires Multicon connector servos cant connected plugged wrong receiver Receivers Subject discussion above can exchange receivers among various systems primary difficulty will plugs set plugs make necessary adapters 4-channel system will cost 7 10 dollars forced cut up aileron extender cables $3 apiece its Remember youll need February 1 978 87
Edition: Model Aviation - 1978/02
Page Numbers: 8, 9, 10, 11, 12, 13, 14, 15, 85, 86, 87
NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT MUFF-L-AIRE I IDEAL FOR PLANES BOATS AND CARSMUFF-L-AIRE EXTREMELY COMPACTIDEAL FOR PLANES FULLY ADJUSTABLE NOISEBOATS LEVEL AND BACKAND $595 PRESSURE FOR BETTERCARS PERFORMANCE ADAPTS TO ALL ENGINES FROMNo 29 TO60144 ONLY 7N3 UNIVERSAL MUFFLER Designed installation wide variety engines 29 60 class Varying number baffle plates controls noise level backSpring action locks Kwik-Klip pressure desire positive contactPatent Pending No 151 battery wires S 125 -DU-BRO PRODUCTS INCORPORATED 480 Bonner Road Wauconda Illinois 60084 USA Openers continued page 60 grees Maybe fly some figure eights 5turns road Partial stalls want loopOKif can roll OK Overhead approach enter pattern downwind leg etc Perhaps shoot some touch-and-goes Better milling around aimlessly Enjoy theme flying Say did ever tell about idea have take Manhattan modelhey wherere going Letters Editor continued page 7 tially resulting lack publicity could introduce fliers events also help stimulate existing compe tition coverage Control-line Team Finals 1976 Team helped crease interest FAI Speed gave goal work towards representing US World Champs attained California summer hope make type inspiration possible other fliers like myself try keep enjoyable interna tional events alive through publicity power maybe once popular events will again flourish now Europe Charles Lieber Moorestown NJ December issuewhich included Team Race Finalsprobably relieved Mr Liebers distress bit although did contain report Speed Team Trials Nats-related team trials included November issue cause insufficient space report both Nats regular events team trials Speed Team Trials other scheduling situation due two sites two dates Once second part Speed Team Trials held affecting three top spots could get report February issue report received time January Engines/Berliner continued page 15 first Gnome rotary square pistons 393 bore stroke 335 cu displacement weight 165 lbs produced its 50 hpat 1150 rpm few later LeRhones can still seen lug ging full-scale reproductions World War airplanes displays World War began sputtering engines wobbling airplanes before long both seen amazing advances rotary engines part replaced water-cooled V-8s came direct ancestors superb V-12s nations used World War II early Vees impact creation Swiss en gineer living Spain went production France Britain later USA Hispano-Suiza familiarly known Hisso Its advanced de sign included en bloc cylinder construc tion cast-aluminum water jacket enclosing steel cylinders effectively lubricated valves gearing combination automatic manual mix ture control fuel system per mitted inverted flight development potential pano-Suiza vast first pro duction model put out 150 hp 1400 rpm boosted 240 hp 2200 rpm no increase internal dimen sions Once bore stroke en larged up-rated 300 hp During World War II almost 50000 produced mainly classic SPAD SE-SA along some Bris tol F2Bs Sopwith Dolphins production Hissos 900 V-8s common versions 150-220 hp bore 472 stroke 511 dis placement 718 cu weight 455-465 lbs free troubles engines time did have difficulties high-pressure February 1978 85 GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES IN18$700 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241300 318 BORE AT YOUR DEALER uSE TO PROPEL AIR CREATE THRUST AND BE PROPELLED BY AIR AT DISCRETION OF THE PURCHASER frI1aL PROPELLERS LL GRISH PROPELLERS ARE ENGINEERED TO TRUEHELICAL ITCH AND AIRFOIL FOR EFFICIENCY NEW COLOR. YELLOW propellers fIN DRIPEI phasing out. ULM UIUIbUU NATURAL WHITE phases 54543 Minor production63 savings help hold6486 down prices Grish94 engineered air-114116 efficiency and124125 strength remain same either color lubrication system reduction gear contemporary metallurgy wasnt up Meanwhile back safe side Atlantic America getting act its first important production en gine Curtiss OX-S powered US sole original contribution World War in-the-air JN-4 Jenny 4000 famous trainers built hundreds surplus engines poured private market after war become basis whole range civil aircraft including such famous marks Travelair Waco Curtiss Robin Such nostalgia connected OX-5 has long club have flown behind enjoy swapping tales adven tures OX-S like others day water-cooled aluminum crank case cylinders cast iron monel metal water jackets brazed onto bar rels pushrod actuated overhead valves last major engines have single ignition cause forced landings tendency water pump leak carburetor basic OX-S 4 bore 5 stroke piston displacement 503 cu weight 320 lbs ground out 90 hp 1400 rpm OX-S merely first step very young American aircraft engine industry second step Liberty V12 excellent engine first Liberty wasnt delivered until late 1917 5000 went wartime deHavilland DH-4s built li cense US hundred Handley-Page 0/400 bombers post-war use Lib erty permanently enshrined engine hall-of-fame Four powered Curtiss NC-4 first transatlantic flight airplane 1919 nose Fokker T-2 made first non-stop coast-to-coast flight across US 1923 Libertys two hefty Douglas World Cruisers became first airplanes fly around world 1924 Such flights proved better advertising slogans Lib erty quite powerplant Compared OX-5 Liberty big engine otherwise pretty conventional Based Mercedes style welded cylinders suffered such common complaints burned exhaust valves cracked water jackets broken accessory gears still good engine long enough spare parts handy bore 5 stroke 7 displacement 1650 cu later duplicated Rolls Royce Merlin Liberty weighed 850 lbs rated 420 hp 1700 rpm whereas Rolls 20 years later weighed half again much developed 3-5 times much power Once Liberty shown itself first-class engine Curtiss got game produced whole series castaluminum powerplants V-12s four valves per cylinder first gain fame D-12 used Curtiss P-I Boeing PW-9 pursuits Curtiss R-6 R-8 Army racers R-6 D-12 set world speed records 223 mph 237 mph 1922 broken following year R-8 259 mph finally 267 mph Perhaps finest use D-12 Steve Wittmans big Bonzo custombuilt Thompson Trophy Racer once hit 325 mph level flight screaming D-12 led directly Curtiss V-1400 Jimmy Doolit tIe won 1925 Schneider Trophy Race seaplanes 233 mph final development D-12 V-1570 Conqueror used classic Curtiss P-6 Hawk pursuit 1932 late 1935 Consolidated P-30 Once cooling water replaced glycol Conqueror shone its non-racing form D-12 pro duced 325 hp 1800 rpm bore 4/2 stroke 6 displacement 1145 cu weight 700 lbs As modified competition put out much 500 hp course required considerably maintenance Construction D- 12 similar Wright-built Hispano-Suiza cylinders aluminum rather common steel used European Hissos Through much history airplane engines liquid-cooled in-line engine has darling airframe designers well fans looks like powerful air craft engine should look can packed small sleekly-shaped cowl ing Yet has long true less glamorous-looking radial has really done work arguments will go ever about better must ad mitted radial better developed putting out power dif ferent uses turbine finally passed piston simpler lighter lacking awkward often annoying radiator plumbing liquid-cooled engine beginning important American radial engines late 1920s Wright J-5 Whirlwind came being Developed out smaller Lawrance J-l went production 1926 soon chosen some bestknown flying machines day par ticular played very large part success Lindberghs historic flight New York Paris 1927 running smoothly 33 hours first Ford Tn-motor airliners used Whirlwinds did early Lockheed Vega Pitcairn Mailwing others radial worked well USA Europe well major parts aeronautical industry decided 86 Model Aviation 2 Blade Tractor2 Blade Pusher 53 5/-43054-463 6435 6435d868W U 7-8SOd96 106$1 \ 5d 3Blade T actoBLADE 5363 64SOd 10-6 3Blade Pushe 11-8 Si63 cAurr 126SiSO Made P0 ye$te donOtbO o coo86 ATYOUADEALEK96 06 Pate06$150 0 RUSH ST JOHN INDIANA n Color 51 S125 104 $150 concentrate put less effort money trying perfect liquidcooled in-lines lower weight re duced maintenance first partly can celled out greater drag radial NACA developed its clean round cowling became possible build radial-engined planes fast in-line brothers still being demonstrated Reno Air Races Bearcats have won twice races Mustangs Wright J-5 R-790 won pres tigious Collier Trophy its makers 1927 soon led R-975 used some Beech Staggerwings prede cessor AT-6 R-1820 Cyclone used B-25 finally R-3350 used B-29 Constellation original J-5 bore 4 stroke 5/2 weight 508 lbs compression ratio 52 1 developed its 200 hp 1800 rpm Along immensely popular line radial engines 1920s 1930s some considerably less well known some cases radical designs nevertheless made own con tributions history devices make propellers go around airplanes go forward include barrel cam engines sleeve-valve designs lat ter British speciality Bristol engines type used thousands RAF bombers style piston engine has long used road vehicles brief success airplanes diesel After considerable experience German dirigibles tried airplanes Packard built good enough set non-refueling duration record 84 hours Ger mans brought diesel its greatest point Junkers Jumo 6-cylinder verticallyopposed water-cooled diesel used some extent pre-war airliners tracted attention powering Ju-86P high-altitude spy plane during early days World War II took spe cial model Spitfire climb above 40000 feet oil-burner working unmolested end line compression-ignition engine airplanes high-compres sion gasoline engine passed Jumo supercharging developed 750 hp 1800 rpm weighed 1650 lbs supercharging put out 1200 hp 3000 rpm other piston engines devel oped during period played ma jor roles story aircraft propulsion today gas turbine seems dominant tens thou sands being built Continental Ly coming year dozen herein described seem have played vital roles progress power few rattling horsepower thousands smooth dependable horses made airr 3 epoxy glues Because know model building cant done type glue Thatswhy Hobbypoxy makes three Formula 1 general purpose epoxy glue gives 15 minutes work ing time cures hard hour Thats just about right construction insllation components need shifted around bit perfect alignment before glue sets Formula 2 has much longer working time 45 minutes makes per fect large-area laminating planking wings can put glue ribs position skins pin down before glue hardens Formula 2 also recommended fiberglass layup fuel-proofing engine compartments surfacing resin bare balsa* Formula 4 superior version popular five minute epoxies Great quick construction quick repairs perfect joining parts impossible clamp pin st hand-hold few short minutes its done Hobbypoxy epoxy glues completely fuel proof permanently flexible Joints will never crack shatter way some other epoxies contrary popular myth Hobbypoxy epoxy glues will adhere cure properly prepared fiberglass So whatever youve got glue glue Hobby poxy original epoxy models *For complete description use Formula 2 finishing send free Poxy Painting Pointers brochure Write word glue request HOIhYPUNY PRODUCTS planes useful Radio Technique/Myers continued page 17 tions cannot mix encoding schemes such old single-channel pulse scheme reed systems modern digital proportional Variant another sys tem works its own transmitter/ receiver combinations total number channels transmitter has within two three number receiver can have trouble reset pulse wasted some time trying operate 2-channel receiver 6-channel trans mitter speak experience Division Pettit Paint Co Inc 25 Pine Street Rockaway NJ 07866 Another problem area can neu tral-pulse time new Kraft KP-4A system components interchange able other Kraft systems primarily because use l7ms neutral instead customary 1 5ms also moved wires Multicon connector servos cant connected plugged wrong receiver Receivers Subject discussion above can exchange receivers among various systems primary difficulty will plugs set plugs make necessary adapters 4-channel system will cost 7 10 dollars forced cut up aileron extender cables $3 apiece its Remember youll need February 1 978 87
Edition: Model Aviation - 1978/02
Page Numbers: 8, 9, 10, 11, 12, 13, 14, 15, 85, 86, 87
NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT MUFF-L-AIRE I IDEAL FOR PLANES BOATS AND CARSMUFF-L-AIRE EXTREMELY COMPACTIDEAL FOR PLANES FULLY ADJUSTABLE NOISEBOATS LEVEL AND BACKAND $595 PRESSURE FOR BETTERCARS PERFORMANCE ADAPTS TO ALL ENGINES FROMNo 29 TO60144 ONLY 7N3 UNIVERSAL MUFFLER Designed installation wide variety engines 29 60 class Varying number baffle plates controls noise level backSpring action locks Kwik-Klip pressure desire positive contactPatent Pending No 151 battery wires S 125 -DU-BRO PRODUCTS INCORPORATED 480 Bonner Road Wauconda Illinois 60084 USA Openers continued page 60 grees Maybe fly some figure eights 5turns road Partial stalls want loopOKif can roll OK Overhead approach enter pattern downwind leg etc Perhaps shoot some touch-and-goes Better milling around aimlessly Enjoy theme flying Say did ever tell about idea have take Manhattan modelhey wherere going Letters Editor continued page 7 tially resulting lack publicity could introduce fliers events also help stimulate existing compe tition coverage Control-line Team Finals 1976 Team helped crease interest FAI Speed gave goal work towards representing US World Champs attained California summer hope make type inspiration possible other fliers like myself try keep enjoyable interna tional events alive through publicity power maybe once popular events will again flourish now Europe Charles Lieber Moorestown NJ December issuewhich included Team Race Finalsprobably relieved Mr Liebers distress bit although did contain report Speed Team Trials Nats-related team trials included November issue cause insufficient space report both Nats regular events team trials Speed Team Trials other scheduling situation due two sites two dates Once second part Speed Team Trials held affecting three top spots could get report February issue report received time January Engines/Berliner continued page 15 first Gnome rotary square pistons 393 bore stroke 335 cu displacement weight 165 lbs produced its 50 hpat 1150 rpm few later LeRhones can still seen lug ging full-scale reproductions World War airplanes displays World War began sputtering engines wobbling airplanes before long both seen amazing advances rotary engines part replaced water-cooled V-8s came direct ancestors superb V-12s nations used World War II early Vees impact creation Swiss en gineer living Spain went production France Britain later USA Hispano-Suiza familiarly known Hisso Its advanced de sign included en bloc cylinder construc tion cast-aluminum water jacket enclosing steel cylinders effectively lubricated valves gearing combination automatic manual mix ture control fuel system per mitted inverted flight development potential pano-Suiza vast first pro duction model put out 150 hp 1400 rpm boosted 240 hp 2200 rpm no increase internal dimen sions Once bore stroke en larged up-rated 300 hp During World War II almost 50000 produced mainly classic SPAD SE-SA along some Bris tol F2Bs Sopwith Dolphins production Hissos 900 V-8s common versions 150-220 hp bore 472 stroke 511 dis placement 718 cu weight 455-465 lbs free troubles engines time did have difficulties high-pressure February 1978 85 GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES IN18$700 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241300 318 BORE AT YOUR DEALER uSE TO PROPEL AIR CREATE THRUST AND BE PROPELLED BY AIR AT DISCRETION OF THE PURCHASER frI1aL PROPELLERS LL GRISH PROPELLERS ARE ENGINEERED TO TRUEHELICAL ITCH AND AIRFOIL FOR EFFICIENCY NEW COLOR. YELLOW propellers fIN DRIPEI phasing out. ULM UIUIbUU NATURAL WHITE phases 54543 Minor production63 savings help hold6486 down prices Grish94 engineered air-114116 efficiency and124125 strength remain same either color lubrication system reduction gear contemporary metallurgy wasnt up Meanwhile back safe side Atlantic America getting act its first important production en gine Curtiss OX-S powered US sole original contribution World War in-the-air JN-4 Jenny 4000 famous trainers built hundreds surplus engines poured private market after war become basis whole range civil aircraft including such famous marks Travelair Waco Curtiss Robin Such nostalgia connected OX-5 has long club have flown behind enjoy swapping tales adven tures OX-S like others day water-cooled aluminum crank case cylinders cast iron monel metal water jackets brazed onto bar rels pushrod actuated overhead valves last major engines have single ignition cause forced landings tendency water pump leak carburetor basic OX-S 4 bore 5 stroke piston displacement 503 cu weight 320 lbs ground out 90 hp 1400 rpm OX-S merely first step very young American aircraft engine industry second step Liberty V12 excellent engine first Liberty wasnt delivered until late 1917 5000 went wartime deHavilland DH-4s built li cense US hundred Handley-Page 0/400 bombers post-war use Lib erty permanently enshrined engine hall-of-fame Four powered Curtiss NC-4 first transatlantic flight airplane 1919 nose Fokker T-2 made first non-stop coast-to-coast flight across US 1923 Libertys two hefty Douglas World Cruisers became first airplanes fly around world 1924 Such flights proved better advertising slogans Lib erty quite powerplant Compared OX-5 Liberty big engine otherwise pretty conventional Based Mercedes style welded cylinders suffered such common complaints burned exhaust valves cracked water jackets broken accessory gears still good engine long enough spare parts handy bore 5 stroke 7 displacement 1650 cu later duplicated Rolls Royce Merlin Liberty weighed 850 lbs rated 420 hp 1700 rpm whereas Rolls 20 years later weighed half again much developed 3-5 times much power Once Liberty shown itself first-class engine Curtiss got game produced whole series castaluminum powerplants V-12s four valves per cylinder first gain fame D-12 used Curtiss P-I Boeing PW-9 pursuits Curtiss R-6 R-8 Army racers R-6 D-12 set world speed records 223 mph 237 mph 1922 broken following year R-8 259 mph finally 267 mph Perhaps finest use D-12 Steve Wittmans big Bonzo custombuilt Thompson Trophy Racer once hit 325 mph level flight screaming D-12 led directly Curtiss V-1400 Jimmy Doolit tIe won 1925 Schneider Trophy Race seaplanes 233 mph final development D-12 V-1570 Conqueror used classic Curtiss P-6 Hawk pursuit 1932 late 1935 Consolidated P-30 Once cooling water replaced glycol Conqueror shone its non-racing form D-12 pro duced 325 hp 1800 rpm bore 4/2 stroke 6 displacement 1145 cu weight 700 lbs As modified competition put out much 500 hp course required considerably maintenance Construction D- 12 similar Wright-built Hispano-Suiza cylinders aluminum rather common steel used European Hissos Through much history airplane engines liquid-cooled in-line engine has darling airframe designers well fans looks like powerful air craft engine should look can packed small sleekly-shaped cowl ing Yet has long true less glamorous-looking radial has really done work arguments will go ever about better must ad mitted radial better developed putting out power dif ferent uses turbine finally passed piston simpler lighter lacking awkward often annoying radiator plumbing liquid-cooled engine beginning important American radial engines late 1920s Wright J-5 Whirlwind came being Developed out smaller Lawrance J-l went production 1926 soon chosen some bestknown flying machines day par ticular played very large part success Lindberghs historic flight New York Paris 1927 running smoothly 33 hours first Ford Tn-motor airliners used Whirlwinds did early Lockheed Vega Pitcairn Mailwing others radial worked well USA Europe well major parts aeronautical industry decided 86 Model Aviation 2 Blade Tractor2 Blade Pusher 53 5/-43054-463 6435 6435d868W U 7-8SOd96 106$1 \ 5d 3Blade T actoBLADE 5363 64SOd 10-6 3Blade Pushe 11-8 Si63 cAurr 126SiSO Made P0 ye$te donOtbO o coo86 ATYOUADEALEK96 06 Pate06$150 0 RUSH ST JOHN INDIANA n Color 51 S125 104 $150 concentrate put less effort money trying perfect liquidcooled in-lines lower weight re duced maintenance first partly can celled out greater drag radial NACA developed its clean round cowling became possible build radial-engined planes fast in-line brothers still being demonstrated Reno Air Races Bearcats have won twice races Mustangs Wright J-5 R-790 won pres tigious Collier Trophy its makers 1927 soon led R-975 used some Beech Staggerwings prede cessor AT-6 R-1820 Cyclone used B-25 finally R-3350 used B-29 Constellation original J-5 bore 4 stroke 5/2 weight 508 lbs compression ratio 52 1 developed its 200 hp 1800 rpm Along immensely popular line radial engines 1920s 1930s some considerably less well known some cases radical designs nevertheless made own con tributions history devices make propellers go around airplanes go forward include barrel cam engines sleeve-valve designs lat ter British speciality Bristol engines type used thousands RAF bombers style piston engine has long used road vehicles brief success airplanes diesel After considerable experience German dirigibles tried airplanes Packard built good enough set non-refueling duration record 84 hours Ger mans brought diesel its greatest point Junkers Jumo 6-cylinder verticallyopposed water-cooled diesel used some extent pre-war airliners tracted attention powering Ju-86P high-altitude spy plane during early days World War II took spe cial model Spitfire climb above 40000 feet oil-burner working unmolested end line compression-ignition engine airplanes high-compres sion gasoline engine passed Jumo supercharging developed 750 hp 1800 rpm weighed 1650 lbs supercharging put out 1200 hp 3000 rpm other piston engines devel oped during period played ma jor roles story aircraft propulsion today gas turbine seems dominant tens thou sands being built Continental Ly coming year dozen herein described seem have played vital roles progress power few rattling horsepower thousands smooth dependable horses made airr 3 epoxy glues Because know model building cant done type glue Thatswhy Hobbypoxy makes three Formula 1 general purpose epoxy glue gives 15 minutes work ing time cures hard hour Thats just about right construction insllation components need shifted around bit perfect alignment before glue sets Formula 2 has much longer working time 45 minutes makes per fect large-area laminating planking wings can put glue ribs position skins pin down before glue hardens Formula 2 also recommended fiberglass layup fuel-proofing engine compartments surfacing resin bare balsa* Formula 4 superior version popular five minute epoxies Great quick construction quick repairs perfect joining parts impossible clamp pin st hand-hold few short minutes its done Hobbypoxy epoxy glues completely fuel proof permanently flexible Joints will never crack shatter way some other epoxies contrary popular myth Hobbypoxy epoxy glues will adhere cure properly prepared fiberglass So whatever youve got glue glue Hobby poxy original epoxy models *For complete description use Formula 2 finishing send free Poxy Painting Pointers brochure Write word glue request HOIhYPUNY PRODUCTS planes useful Radio Technique/Myers continued page 17 tions cannot mix encoding schemes such old single-channel pulse scheme reed systems modern digital proportional Variant another sys tem works its own transmitter/ receiver combinations total number channels transmitter has within two three number receiver can have trouble reset pulse wasted some time trying operate 2-channel receiver 6-channel trans mitter speak experience Division Pettit Paint Co Inc 25 Pine Street Rockaway NJ 07866 Another problem area can neu tral-pulse time new Kraft KP-4A system components interchange able other Kraft systems primarily because use l7ms neutral instead customary 1 5ms also moved wires Multicon connector servos cant connected plugged wrong receiver Receivers Subject discussion above can exchange receivers among various systems primary difficulty will plugs set plugs make necessary adapters 4-channel system will cost 7 10 dollars forced cut up aileron extender cables $3 apiece its Remember youll need February 1 978 87
Edition: Model Aviation - 1978/02
Page Numbers: 8, 9, 10, 11, 12, 13, 14, 15, 85, 86, 87
NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT MUFF-L-AIRE I IDEAL FOR PLANES BOATS AND CARSMUFF-L-AIRE EXTREMELY COMPACTIDEAL FOR PLANES FULLY ADJUSTABLE NOISEBOATS LEVEL AND BACKAND $595 PRESSURE FOR BETTERCARS PERFORMANCE ADAPTS TO ALL ENGINES FROMNo 29 TO60144 ONLY 7N3 UNIVERSAL MUFFLER Designed installation wide variety engines 29 60 class Varying number baffle plates controls noise level backSpring action locks Kwik-Klip pressure desire positive contactPatent Pending No 151 battery wires S 125 -DU-BRO PRODUCTS INCORPORATED 480 Bonner Road Wauconda Illinois 60084 USA Openers continued page 60 grees Maybe fly some figure eights 5turns road Partial stalls want loopOKif can roll OK Overhead approach enter pattern downwind leg etc Perhaps shoot some touch-and-goes Better milling around aimlessly Enjoy theme flying Say did ever tell about idea have take Manhattan modelhey wherere going Letters Editor continued page 7 tially resulting lack publicity could introduce fliers events also help stimulate existing compe tition coverage Control-line Team Finals 1976 Team helped crease interest FAI Speed gave goal work towards representing US World Champs attained California summer hope make type inspiration possible other fliers like myself try keep enjoyable interna tional events alive through publicity power maybe once popular events will again flourish now Europe Charles Lieber Moorestown NJ December issuewhich included Team Race Finalsprobably relieved Mr Liebers distress bit although did contain report Speed Team Trials Nats-related team trials included November issue cause insufficient space report both Nats regular events team trials Speed Team Trials other scheduling situation due two sites two dates Once second part Speed Team Trials held affecting three top spots could get report February issue report received time January Engines/Berliner continued page 15 first Gnome rotary square pistons 393 bore stroke 335 cu displacement weight 165 lbs produced its 50 hpat 1150 rpm few later LeRhones can still seen lug ging full-scale reproductions World War airplanes displays World War began sputtering engines wobbling airplanes before long both seen amazing advances rotary engines part replaced water-cooled V-8s came direct ancestors superb V-12s nations used World War II early Vees impact creation Swiss en gineer living Spain went production France Britain later USA Hispano-Suiza familiarly known Hisso Its advanced de sign included en bloc cylinder construc tion cast-aluminum water jacket enclosing steel cylinders effectively lubricated valves gearing combination automatic manual mix ture control fuel system per mitted inverted flight development potential pano-Suiza vast first pro duction model put out 150 hp 1400 rpm boosted 240 hp 2200 rpm no increase internal dimen sions Once bore stroke en larged up-rated 300 hp During World War II almost 50000 produced mainly classic SPAD SE-SA along some Bris tol F2Bs Sopwith Dolphins production Hissos 900 V-8s common versions 150-220 hp bore 472 stroke 511 dis placement 718 cu weight 455-465 lbs free troubles engines time did have difficulties high-pressure February 1978 85 GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES IN18$700 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241300 318 BORE AT YOUR DEALER uSE TO PROPEL AIR CREATE THRUST AND BE PROPELLED BY AIR AT DISCRETION OF THE PURCHASER frI1aL PROPELLERS LL GRISH PROPELLERS ARE ENGINEERED TO TRUEHELICAL ITCH AND AIRFOIL FOR EFFICIENCY NEW COLOR. YELLOW propellers fIN DRIPEI phasing out. ULM UIUIbUU NATURAL WHITE phases 54543 Minor production63 savings help hold6486 down prices Grish94 engineered air-114116 efficiency and124125 strength remain same either color lubrication system reduction gear contemporary metallurgy wasnt up Meanwhile back safe side Atlantic America getting act its first important production en gine Curtiss OX-S powered US sole original contribution World War in-the-air JN-4 Jenny 4000 famous trainers built hundreds surplus engines poured private market after war become basis whole range civil aircraft including such famous marks Travelair Waco Curtiss Robin Such nostalgia connected OX-5 has long club have flown behind enjoy swapping tales adven tures OX-S like others day water-cooled aluminum crank case cylinders cast iron monel metal water jackets brazed onto bar rels pushrod actuated overhead valves last major engines have single ignition cause forced landings tendency water pump leak carburetor basic OX-S 4 bore 5 stroke piston displacement 503 cu weight 320 lbs ground out 90 hp 1400 rpm OX-S merely first step very young American aircraft engine industry second step Liberty V12 excellent engine first Liberty wasnt delivered until late 1917 5000 went wartime deHavilland DH-4s built li cense US hundred Handley-Page 0/400 bombers post-war use Lib erty permanently enshrined engine hall-of-fame Four powered Curtiss NC-4 first transatlantic flight airplane 1919 nose Fokker T-2 made first non-stop coast-to-coast flight across US 1923 Libertys two hefty Douglas World Cruisers became first airplanes fly around world 1924 Such flights proved better advertising slogans Lib erty quite powerplant Compared OX-5 Liberty big engine otherwise pretty conventional Based Mercedes style welded cylinders suffered such common complaints burned exhaust valves cracked water jackets broken accessory gears still good engine long enough spare parts handy bore 5 stroke 7 displacement 1650 cu later duplicated Rolls Royce Merlin Liberty weighed 850 lbs rated 420 hp 1700 rpm whereas Rolls 20 years later weighed half again much developed 3-5 times much power Once Liberty shown itself first-class engine Curtiss got game produced whole series castaluminum powerplants V-12s four valves per cylinder first gain fame D-12 used Curtiss P-I Boeing PW-9 pursuits Curtiss R-6 R-8 Army racers R-6 D-12 set world speed records 223 mph 237 mph 1922 broken following year R-8 259 mph finally 267 mph Perhaps finest use D-12 Steve Wittmans big Bonzo custombuilt Thompson Trophy Racer once hit 325 mph level flight screaming D-12 led directly Curtiss V-1400 Jimmy Doolit tIe won 1925 Schneider Trophy Race seaplanes 233 mph final development D-12 V-1570 Conqueror used classic Curtiss P-6 Hawk pursuit 1932 late 1935 Consolidated P-30 Once cooling water replaced glycol Conqueror shone its non-racing form D-12 pro duced 325 hp 1800 rpm bore 4/2 stroke 6 displacement 1145 cu weight 700 lbs As modified competition put out much 500 hp course required considerably maintenance Construction D- 12 similar Wright-built Hispano-Suiza cylinders aluminum rather common steel used European Hissos Through much history airplane engines liquid-cooled in-line engine has darling airframe designers well fans looks like powerful air craft engine should look can packed small sleekly-shaped cowl ing Yet has long true less glamorous-looking radial has really done work arguments will go ever about better must ad mitted radial better developed putting out power dif ferent uses turbine finally passed piston simpler lighter lacking awkward often annoying radiator plumbing liquid-cooled engine beginning important American radial engines late 1920s Wright J-5 Whirlwind came being Developed out smaller Lawrance J-l went production 1926 soon chosen some bestknown flying machines day par ticular played very large part success Lindberghs historic flight New York Paris 1927 running smoothly 33 hours first Ford Tn-motor airliners used Whirlwinds did early Lockheed Vega Pitcairn Mailwing others radial worked well USA Europe well major parts aeronautical industry decided 86 Model Aviation 2 Blade Tractor2 Blade Pusher 53 5/-43054-463 6435 6435d868W U 7-8SOd96 106$1 \ 5d 3Blade T actoBLADE 5363 64SOd 10-6 3Blade Pushe 11-8 Si63 cAurr 126SiSO Made P0 ye$te donOtbO o coo86 ATYOUADEALEK96 06 Pate06$150 0 RUSH ST JOHN INDIANA n Color 51 S125 104 $150 concentrate put less effort money trying perfect liquidcooled in-lines lower weight re duced maintenance first partly can celled out greater drag radial NACA developed its clean round cowling became possible build radial-engined planes fast in-line brothers still being demonstrated Reno Air Races Bearcats have won twice races Mustangs Wright J-5 R-790 won pres tigious Collier Trophy its makers 1927 soon led R-975 used some Beech Staggerwings prede cessor AT-6 R-1820 Cyclone used B-25 finally R-3350 used B-29 Constellation original J-5 bore 4 stroke 5/2 weight 508 lbs compression ratio 52 1 developed its 200 hp 1800 rpm Along immensely popular line radial engines 1920s 1930s some considerably less well known some cases radical designs nevertheless made own con tributions history devices make propellers go around airplanes go forward include barrel cam engines sleeve-valve designs lat ter British speciality Bristol engines type used thousands RAF bombers style piston engine has long used road vehicles brief success airplanes diesel After considerable experience German dirigibles tried airplanes Packard built good enough set non-refueling duration record 84 hours Ger mans brought diesel its greatest point Junkers Jumo 6-cylinder verticallyopposed water-cooled diesel used some extent pre-war airliners tracted attention powering Ju-86P high-altitude spy plane during early days World War II took spe cial model Spitfire climb above 40000 feet oil-burner working unmolested end line compression-ignition engine airplanes high-compres sion gasoline engine passed Jumo supercharging developed 750 hp 1800 rpm weighed 1650 lbs supercharging put out 1200 hp 3000 rpm other piston engines devel oped during period played ma jor roles story aircraft propulsion today gas turbine seems dominant tens thou sands being built Continental Ly coming year dozen herein described seem have played vital roles progress power few rattling horsepower thousands smooth dependable horses made airr 3 epoxy glues Because know model building cant done type glue Thatswhy Hobbypoxy makes three Formula 1 general purpose epoxy glue gives 15 minutes work ing time cures hard hour Thats just about right construction insllation components need shifted around bit perfect alignment before glue sets Formula 2 has much longer working time 45 minutes makes per fect large-area laminating planking wings can put glue ribs position skins pin down before glue hardens Formula 2 also recommended fiberglass layup fuel-proofing engine compartments surfacing resin bare balsa* Formula 4 superior version popular five minute epoxies Great quick construction quick repairs perfect joining parts impossible clamp pin st hand-hold few short minutes its done Hobbypoxy epoxy glues completely fuel proof permanently flexible Joints will never crack shatter way some other epoxies contrary popular myth Hobbypoxy epoxy glues will adhere cure properly prepared fiberglass So whatever youve got glue glue Hobby poxy original epoxy models *For complete description use Formula 2 finishing send free Poxy Painting Pointers brochure Write word glue request HOIhYPUNY PRODUCTS planes useful Radio Technique/Myers continued page 17 tions cannot mix encoding schemes such old single-channel pulse scheme reed systems modern digital proportional Variant another sys tem works its own transmitter/ receiver combinations total number channels transmitter has within two three number receiver can have trouble reset pulse wasted some time trying operate 2-channel receiver 6-channel trans mitter speak experience Division Pettit Paint Co Inc 25 Pine Street Rockaway NJ 07866 Another problem area can neu tral-pulse time new Kraft KP-4A system components interchange able other Kraft systems primarily because use l7ms neutral instead customary 1 5ms also moved wires Multicon connector servos cant connected plugged wrong receiver Receivers Subject discussion above can exchange receivers among various systems primary difficulty will plugs set plugs make necessary adapters 4-channel system will cost 7 10 dollars forced cut up aileron extender cables $3 apiece its Remember youll need February 1 978 87
Edition: Model Aviation - 1978/02
Page Numbers: 8, 9, 10, 11, 12, 13, 14, 15, 85, 86, 87
NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT MUFF-L-AIRE I IDEAL FOR PLANES BOATS AND CARSMUFF-L-AIRE EXTREMELY COMPACTIDEAL FOR PLANES FULLY ADJUSTABLE NOISEBOATS LEVEL AND BACKAND $595 PRESSURE FOR BETTERCARS PERFORMANCE ADAPTS TO ALL ENGINES FROMNo 29 TO60144 ONLY 7N3 UNIVERSAL MUFFLER Designed installation wide variety engines 29 60 class Varying number baffle plates controls noise level backSpring action locks Kwik-Klip pressure desire positive contactPatent Pending No 151 battery wires S 125 -DU-BRO PRODUCTS INCORPORATED 480 Bonner Road Wauconda Illinois 60084 USA Openers continued page 60 grees Maybe fly some figure eights 5turns road Partial stalls want loopOKif can roll OK Overhead approach enter pattern downwind leg etc Perhaps shoot some touch-and-goes Better milling around aimlessly Enjoy theme flying Say did ever tell about idea have take Manhattan modelhey wherere going Letters Editor continued page 7 tially resulting lack publicity could introduce fliers events also help stimulate existing compe tition coverage Control-line Team Finals 1976 Team helped crease interest FAI Speed gave goal work towards representing US World Champs attained California summer hope make type inspiration possible other fliers like myself try keep enjoyable interna tional events alive through publicity power maybe once popular events will again flourish now Europe Charles Lieber Moorestown NJ December issuewhich included Team Race Finalsprobably relieved Mr Liebers distress bit although did contain report Speed Team Trials Nats-related team trials included November issue cause insufficient space report both Nats regular events team trials Speed Team Trials other scheduling situation due two sites two dates Once second part Speed Team Trials held affecting three top spots could get report February issue report received time January Engines/Berliner continued page 15 first Gnome rotary square pistons 393 bore stroke 335 cu displacement weight 165 lbs produced its 50 hpat 1150 rpm few later LeRhones can still seen lug ging full-scale reproductions World War airplanes displays World War began sputtering engines wobbling airplanes before long both seen amazing advances rotary engines part replaced water-cooled V-8s came direct ancestors superb V-12s nations used World War II early Vees impact creation Swiss en gineer living Spain went production France Britain later USA Hispano-Suiza familiarly known Hisso Its advanced de sign included en bloc cylinder construc tion cast-aluminum water jacket enclosing steel cylinders effectively lubricated valves gearing combination automatic manual mix ture control fuel system per mitted inverted flight development potential pano-Suiza vast first pro duction model put out 150 hp 1400 rpm boosted 240 hp 2200 rpm no increase internal dimen sions Once bore stroke en larged up-rated 300 hp During World War II almost 50000 produced mainly classic SPAD SE-SA along some Bris tol F2Bs Sopwith Dolphins production Hissos 900 V-8s common versions 150-220 hp bore 472 stroke 511 dis placement 718 cu weight 455-465 lbs free troubles engines time did have difficulties high-pressure February 1978 85 GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES IN18$700 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241300 318 BORE AT YOUR DEALER uSE TO PROPEL AIR CREATE THRUST AND BE PROPELLED BY AIR AT DISCRETION OF THE PURCHASER frI1aL PROPELLERS LL GRISH PROPELLERS ARE ENGINEERED TO TRUEHELICAL ITCH AND AIRFOIL FOR EFFICIENCY NEW COLOR. YELLOW propellers fIN DRIPEI phasing out. ULM UIUIbUU NATURAL WHITE phases 54543 Minor production63 savings help hold6486 down prices Grish94 engineered air-114116 efficiency and124125 strength remain same either color lubrication system reduction gear contemporary metallurgy wasnt up Meanwhile back safe side Atlantic America getting act its first important production en gine Curtiss OX-S powered US sole original contribution World War in-the-air JN-4 Jenny 4000 famous trainers built hundreds surplus engines poured private market after war become basis whole range civil aircraft including such famous marks Travelair Waco Curtiss Robin Such nostalgia connected OX-5 has long club have flown behind enjoy swapping tales adven tures OX-S like others day water-cooled aluminum crank case cylinders cast iron monel metal water jackets brazed onto bar rels pushrod actuated overhead valves last major engines have single ignition cause forced landings tendency water pump leak carburetor basic OX-S 4 bore 5 stroke piston displacement 503 cu weight 320 lbs ground out 90 hp 1400 rpm OX-S merely first step very young American aircraft engine industry second step Liberty V12 excellent engine first Liberty wasnt delivered until late 1917 5000 went wartime deHavilland DH-4s built li cense US hundred Handley-Page 0/400 bombers post-war use Lib erty permanently enshrined engine hall-of-fame Four powered Curtiss NC-4 first transatlantic flight airplane 1919 nose Fokker T-2 made first non-stop coast-to-coast flight across US 1923 Libertys two hefty Douglas World Cruisers became first airplanes fly around world 1924 Such flights proved better advertising slogans Lib erty quite powerplant Compared OX-5 Liberty big engine otherwise pretty conventional Based Mercedes style welded cylinders suffered such common complaints burned exhaust valves cracked water jackets broken accessory gears still good engine long enough spare parts handy bore 5 stroke 7 displacement 1650 cu later duplicated Rolls Royce Merlin Liberty weighed 850 lbs rated 420 hp 1700 rpm whereas Rolls 20 years later weighed half again much developed 3-5 times much power Once Liberty shown itself first-class engine Curtiss got game produced whole series castaluminum powerplants V-12s four valves per cylinder first gain fame D-12 used Curtiss P-I Boeing PW-9 pursuits Curtiss R-6 R-8 Army racers R-6 D-12 set world speed records 223 mph 237 mph 1922 broken following year R-8 259 mph finally 267 mph Perhaps finest use D-12 Steve Wittmans big Bonzo custombuilt Thompson Trophy Racer once hit 325 mph level flight screaming D-12 led directly Curtiss V-1400 Jimmy Doolit tIe won 1925 Schneider Trophy Race seaplanes 233 mph final development D-12 V-1570 Conqueror used classic Curtiss P-6 Hawk pursuit 1932 late 1935 Consolidated P-30 Once cooling water replaced glycol Conqueror shone its non-racing form D-12 pro duced 325 hp 1800 rpm bore 4/2 stroke 6 displacement 1145 cu weight 700 lbs As modified competition put out much 500 hp course required considerably maintenance Construction D- 12 similar Wright-built Hispano-Suiza cylinders aluminum rather common steel used European Hissos Through much history airplane engines liquid-cooled in-line engine has darling airframe designers well fans looks like powerful air craft engine should look can packed small sleekly-shaped cowl ing Yet has long true less glamorous-looking radial has really done work arguments will go ever about better must ad mitted radial better developed putting out power dif ferent uses turbine finally passed piston simpler lighter lacking awkward often annoying radiator plumbing liquid-cooled engine beginning important American radial engines late 1920s Wright J-5 Whirlwind came being Developed out smaller Lawrance J-l went production 1926 soon chosen some bestknown flying machines day par ticular played very large part success Lindberghs historic flight New York Paris 1927 running smoothly 33 hours first Ford Tn-motor airliners used Whirlwinds did early Lockheed Vega Pitcairn Mailwing others radial worked well USA Europe well major parts aeronautical industry decided 86 Model Aviation 2 Blade Tractor2 Blade Pusher 53 5/-43054-463 6435 6435d868W U 7-8SOd96 106$1 \ 5d 3Blade T actoBLADE 5363 64SOd 10-6 3Blade Pushe 11-8 Si63 cAurr 126SiSO Made P0 ye$te donOtbO o coo86 ATYOUADEALEK96 06 Pate06$150 0 RUSH ST JOHN INDIANA n Color 51 S125 104 $150 concentrate put less effort money trying perfect liquidcooled in-lines lower weight re duced maintenance first partly can celled out greater drag radial NACA developed its clean round cowling became possible build radial-engined planes fast in-line brothers still being demonstrated Reno Air Races Bearcats have won twice races Mustangs Wright J-5 R-790 won pres tigious Collier Trophy its makers 1927 soon led R-975 used some Beech Staggerwings prede cessor AT-6 R-1820 Cyclone used B-25 finally R-3350 used B-29 Constellation original J-5 bore 4 stroke 5/2 weight 508 lbs compression ratio 52 1 developed its 200 hp 1800 rpm Along immensely popular line radial engines 1920s 1930s some considerably less well known some cases radical designs nevertheless made own con tributions history devices make propellers go around airplanes go forward include barrel cam engines sleeve-valve designs lat ter British speciality Bristol engines type used thousands RAF bombers style piston engine has long used road vehicles brief success airplanes diesel After considerable experience German dirigibles tried airplanes Packard built good enough set non-refueling duration record 84 hours Ger mans brought diesel its greatest point Junkers Jumo 6-cylinder verticallyopposed water-cooled diesel used some extent pre-war airliners tracted attention powering Ju-86P high-altitude spy plane during early days World War II took spe cial model Spitfire climb above 40000 feet oil-burner working unmolested end line compression-ignition engine airplanes high-compres sion gasoline engine passed Jumo supercharging developed 750 hp 1800 rpm weighed 1650 lbs supercharging put out 1200 hp 3000 rpm other piston engines devel oped during period played ma jor roles story aircraft propulsion today gas turbine seems dominant tens thou sands being built Continental Ly coming year dozen herein described seem have played vital roles progress power few rattling horsepower thousands smooth dependable horses made airr 3 epoxy glues Because know model building cant done type glue Thatswhy Hobbypoxy makes three Formula 1 general purpose epoxy glue gives 15 minutes work ing time cures hard hour Thats just about right construction insllation components need shifted around bit perfect alignment before glue sets Formula 2 has much longer working time 45 minutes makes per fect large-area laminating planking wings can put glue ribs position skins pin down before glue hardens Formula 2 also recommended fiberglass layup fuel-proofing engine compartments surfacing resin bare balsa* Formula 4 superior version popular five minute epoxies Great quick construction quick repairs perfect joining parts impossible clamp pin st hand-hold few short minutes its done Hobbypoxy epoxy glues completely fuel proof permanently flexible Joints will never crack shatter way some other epoxies contrary popular myth Hobbypoxy epoxy glues will adhere cure properly prepared fiberglass So whatever youve got glue glue Hobby poxy original epoxy models *For complete description use Formula 2 finishing send free Poxy Painting Pointers brochure Write word glue request HOIhYPUNY PRODUCTS planes useful Radio Technique/Myers continued page 17 tions cannot mix encoding schemes such old single-channel pulse scheme reed systems modern digital proportional Variant another sys tem works its own transmitter/ receiver combinations total number channels transmitter has within two three number receiver can have trouble reset pulse wasted some time trying operate 2-channel receiver 6-channel trans mitter speak experience Division Pettit Paint Co Inc 25 Pine Street Rockaway NJ 07866 Another problem area can neu tral-pulse time new Kraft KP-4A system components interchange able other Kraft systems primarily because use l7ms neutral instead customary 1 5ms also moved wires Multicon connector servos cant connected plugged wrong receiver Receivers Subject discussion above can exchange receivers among various systems primary difficulty will plugs set plugs make necessary adapters 4-channel system will cost 7 10 dollars forced cut up aileron extender cables $3 apiece its Remember youll need February 1 978 87
Edition: Model Aviation - 1978/02
Page Numbers: 8, 9, 10, 11, 12, 13, 14, 15, 85, 86, 87
NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT MUFF-L-AIRE I IDEAL FOR PLANES BOATS AND CARSMUFF-L-AIRE EXTREMELY COMPACTIDEAL FOR PLANES FULLY ADJUSTABLE NOISEBOATS LEVEL AND BACKAND $595 PRESSURE FOR BETTERCARS PERFORMANCE ADAPTS TO ALL ENGINES FROMNo 29 TO60144 ONLY 7N3 UNIVERSAL MUFFLER Designed installation wide variety engines 29 60 class Varying number baffle plates controls noise level backSpring action locks Kwik-Klip pressure desire positive contactPatent Pending No 151 battery wires S 125 -DU-BRO PRODUCTS INCORPORATED 480 Bonner Road Wauconda Illinois 60084 USA Openers continued page 60 grees Maybe fly some figure eights 5turns road Partial stalls want loopOKif can roll OK Overhead approach enter pattern downwind leg etc Perhaps shoot some touch-and-goes Better milling around aimlessly Enjoy theme flying Say did ever tell about idea have take Manhattan modelhey wherere going Letters Editor continued page 7 tially resulting lack publicity could introduce fliers events also help stimulate existing compe tition coverage Control-line Team Finals 1976 Team helped crease interest FAI Speed gave goal work towards representing US World Champs attained California summer hope make type inspiration possible other fliers like myself try keep enjoyable interna tional events alive through publicity power maybe once popular events will again flourish now Europe Charles Lieber Moorestown NJ December issuewhich included Team Race Finalsprobably relieved Mr Liebers distress bit although did contain report Speed Team Trials Nats-related team trials included November issue cause insufficient space report both Nats regular events team trials Speed Team Trials other scheduling situation due two sites two dates Once second part Speed Team Trials held affecting three top spots could get report February issue report received time January Engines/Berliner continued page 15 first Gnome rotary square pistons 393 bore stroke 335 cu displacement weight 165 lbs produced its 50 hpat 1150 rpm few later LeRhones can still seen lug ging full-scale reproductions World War airplanes displays World War began sputtering engines wobbling airplanes before long both seen amazing advances rotary engines part replaced water-cooled V-8s came direct ancestors superb V-12s nations used World War II early Vees impact creation Swiss en gineer living Spain went production France Britain later USA Hispano-Suiza familiarly known Hisso Its advanced de sign included en bloc cylinder construc tion cast-aluminum water jacket enclosing steel cylinders effectively lubricated valves gearing combination automatic manual mix ture control fuel system per mitted inverted flight development potential pano-Suiza vast first pro duction model put out 150 hp 1400 rpm boosted 240 hp 2200 rpm no increase internal dimen sions Once bore stroke en larged up-rated 300 hp During World War II almost 50000 produced mainly classic SPAD SE-SA along some Bris tol F2Bs Sopwith Dolphins production Hissos 900 V-8s common versions 150-220 hp bore 472 stroke 511 dis placement 718 cu weight 455-465 lbs free troubles engines time did have difficulties high-pressure February 1978 85 GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES IN18$700 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241300 318 BORE AT YOUR DEALER uSE TO PROPEL AIR CREATE THRUST AND BE PROPELLED BY AIR AT DISCRETION OF THE PURCHASER frI1aL PROPELLERS LL GRISH PROPELLERS ARE ENGINEERED TO TRUEHELICAL ITCH AND AIRFOIL FOR EFFICIENCY NEW COLOR. YELLOW propellers fIN DRIPEI phasing out. ULM UIUIbUU NATURAL WHITE phases 54543 Minor production63 savings help hold6486 down prices Grish94 engineered air-114116 efficiency and124125 strength remain same either color lubrication system reduction gear contemporary metallurgy wasnt up Meanwhile back safe side Atlantic America getting act its first important production en gine Curtiss OX-S powered US sole original contribution World War in-the-air JN-4 Jenny 4000 famous trainers built hundreds surplus engines poured private market after war become basis whole range civil aircraft including such famous marks Travelair Waco Curtiss Robin Such nostalgia connected OX-5 has long club have flown behind enjoy swapping tales adven tures OX-S like others day water-cooled aluminum crank case cylinders cast iron monel metal water jackets brazed onto bar rels pushrod actuated overhead valves last major engines have single ignition cause forced landings tendency water pump leak carburetor basic OX-S 4 bore 5 stroke piston displacement 503 cu weight 320 lbs ground out 90 hp 1400 rpm OX-S merely first step very young American aircraft engine industry second step Liberty V12 excellent engine first Liberty wasnt delivered until late 1917 5000 went wartime deHavilland DH-4s built li cense US hundred Handley-Page 0/400 bombers post-war use Lib erty permanently enshrined engine hall-of-fame Four powered Curtiss NC-4 first transatlantic flight airplane 1919 nose Fokker T-2 made first non-stop coast-to-coast flight across US 1923 Libertys two hefty Douglas World Cruisers became first airplanes fly around world 1924 Such flights proved better advertising slogans Lib erty quite powerplant Compared OX-5 Liberty big engine otherwise pretty conventional Based Mercedes style welded cylinders suffered such common complaints burned exhaust valves cracked water jackets broken accessory gears still good engine long enough spare parts handy bore 5 stroke 7 displacement 1650 cu later duplicated Rolls Royce Merlin Liberty weighed 850 lbs rated 420 hp 1700 rpm whereas Rolls 20 years later weighed half again much developed 3-5 times much power Once Liberty shown itself first-class engine Curtiss got game produced whole series castaluminum powerplants V-12s four valves per cylinder first gain fame D-12 used Curtiss P-I Boeing PW-9 pursuits Curtiss R-6 R-8 Army racers R-6 D-12 set world speed records 223 mph 237 mph 1922 broken following year R-8 259 mph finally 267 mph Perhaps finest use D-12 Steve Wittmans big Bonzo custombuilt Thompson Trophy Racer once hit 325 mph level flight screaming D-12 led directly Curtiss V-1400 Jimmy Doolit tIe won 1925 Schneider Trophy Race seaplanes 233 mph final development D-12 V-1570 Conqueror used classic Curtiss P-6 Hawk pursuit 1932 late 1935 Consolidated P-30 Once cooling water replaced glycol Conqueror shone its non-racing form D-12 pro duced 325 hp 1800 rpm bore 4/2 stroke 6 displacement 1145 cu weight 700 lbs As modified competition put out much 500 hp course required considerably maintenance Construction D- 12 similar Wright-built Hispano-Suiza cylinders aluminum rather common steel used European Hissos Through much history airplane engines liquid-cooled in-line engine has darling airframe designers well fans looks like powerful air craft engine should look can packed small sleekly-shaped cowl ing Yet has long true less glamorous-looking radial has really done work arguments will go ever about better must ad mitted radial better developed putting out power dif ferent uses turbine finally passed piston simpler lighter lacking awkward often annoying radiator plumbing liquid-cooled engine beginning important American radial engines late 1920s Wright J-5 Whirlwind came being Developed out smaller Lawrance J-l went production 1926 soon chosen some bestknown flying machines day par ticular played very large part success Lindberghs historic flight New York Paris 1927 running smoothly 33 hours first Ford Tn-motor airliners used Whirlwinds did early Lockheed Vega Pitcairn Mailwing others radial worked well USA Europe well major parts aeronautical industry decided 86 Model Aviation 2 Blade Tractor2 Blade Pusher 53 5/-43054-463 6435 6435d868W U 7-8SOd96 106$1 \ 5d 3Blade T actoBLADE 5363 64SOd 10-6 3Blade Pushe 11-8 Si63 cAurr 126SiSO Made P0 ye$te donOtbO o coo86 ATYOUADEALEK96 06 Pate06$150 0 RUSH ST JOHN INDIANA n Color 51 S125 104 $150 concentrate put less effort money trying perfect liquidcooled in-lines lower weight re duced maintenance first partly can celled out greater drag radial NACA developed its clean round cowling became possible build radial-engined planes fast in-line brothers still being demonstrated Reno Air Races Bearcats have won twice races Mustangs Wright J-5 R-790 won pres tigious Collier Trophy its makers 1927 soon led R-975 used some Beech Staggerwings prede cessor AT-6 R-1820 Cyclone used B-25 finally R-3350 used B-29 Constellation original J-5 bore 4 stroke 5/2 weight 508 lbs compression ratio 52 1 developed its 200 hp 1800 rpm Along immensely popular line radial engines 1920s 1930s some considerably less well known some cases radical designs nevertheless made own con tributions history devices make propellers go around airplanes go forward include barrel cam engines sleeve-valve designs lat ter British speciality Bristol engines type used thousands RAF bombers style piston engine has long used road vehicles brief success airplanes diesel After considerable experience German dirigibles tried airplanes Packard built good enough set non-refueling duration record 84 hours Ger mans brought diesel its greatest point Junkers Jumo 6-cylinder verticallyopposed water-cooled diesel used some extent pre-war airliners tracted attention powering Ju-86P high-altitude spy plane during early days World War II took spe cial model Spitfire climb above 40000 feet oil-burner working unmolested end line compression-ignition engine airplanes high-compres sion gasoline engine passed Jumo supercharging developed 750 hp 1800 rpm weighed 1650 lbs supercharging put out 1200 hp 3000 rpm other piston engines devel oped during period played ma jor roles story aircraft propulsion today gas turbine seems dominant tens thou sands being built Continental Ly coming year dozen herein described seem have played vital roles progress power few rattling horsepower thousands smooth dependable horses made airr 3 epoxy glues Because know model building cant done type glue Thatswhy Hobbypoxy makes three Formula 1 general purpose epoxy glue gives 15 minutes work ing time cures hard hour Thats just about right construction insllation components need shifted around bit perfect alignment before glue sets Formula 2 has much longer working time 45 minutes makes per fect large-area laminating planking wings can put glue ribs position skins pin down before glue hardens Formula 2 also recommended fiberglass layup fuel-proofing engine compartments surfacing resin bare balsa* Formula 4 superior version popular five minute epoxies Great quick construction quick repairs perfect joining parts impossible clamp pin st hand-hold few short minutes its done Hobbypoxy epoxy glues completely fuel proof permanently flexible Joints will never crack shatter way some other epoxies contrary popular myth Hobbypoxy epoxy glues will adhere cure properly prepared fiberglass So whatever youve got glue glue Hobby poxy original epoxy models *For complete description use Formula 2 finishing send free Poxy Painting Pointers brochure Write word glue request HOIhYPUNY PRODUCTS planes useful Radio Technique/Myers continued page 17 tions cannot mix encoding schemes such old single-channel pulse scheme reed systems modern digital proportional Variant another sys tem works its own transmitter/ receiver combinations total number channels transmitter has within two three number receiver can have trouble reset pulse wasted some time trying operate 2-channel receiver 6-channel trans mitter speak experience Division Pettit Paint Co Inc 25 Pine Street Rockaway NJ 07866 Another problem area can neu tral-pulse time new Kraft KP-4A system components interchange able other Kraft systems primarily because use l7ms neutral instead customary 1 5ms also moved wires Multicon connector servos cant connected plugged wrong receiver Receivers Subject discussion above can exchange receivers among various systems primary difficulty will plugs set plugs make necessary adapters 4-channel system will cost 7 10 dollars forced cut up aileron extender cables $3 apiece its Remember youll need February 1 978 87
Edition: Model Aviation - 1978/02
Page Numbers: 8, 9, 10, 11, 12, 13, 14, 15, 85, 86, 87
NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT NO OCR TEXT MUFF-L-AIRE I IDEAL FOR PLANES BOATS AND CARSMUFF-L-AIRE EXTREMELY COMPACTIDEAL FOR PLANES FULLY ADJUSTABLE NOISEBOATS LEVEL AND BACKAND $595 PRESSURE FOR BETTERCARS PERFORMANCE ADAPTS TO ALL ENGINES FROMNo 29 TO60144 ONLY 7N3 UNIVERSAL MUFFLER Designed installation wide variety engines 29 60 class Varying number baffle plates controls noise level backSpring action locks Kwik-Klip pressure desire positive contactPatent Pending No 151 battery wires S 125 -DU-BRO PRODUCTS INCORPORATED 480 Bonner Road Wauconda Illinois 60084 USA Openers continued page 60 grees Maybe fly some figure eights 5turns road Partial stalls want loopOKif can roll OK Overhead approach enter pattern downwind leg etc Perhaps shoot some touch-and-goes Better milling around aimlessly Enjoy theme flying Say did ever tell about idea have take Manhattan modelhey wherere going Letters Editor continued page 7 tially resulting lack publicity could introduce fliers events also help stimulate existing compe tition coverage Control-line Team Finals 1976 Team helped crease interest FAI Speed gave goal work towards representing US World Champs attained California summer hope make type inspiration possible other fliers like myself try keep enjoyable interna tional events alive through publicity power maybe once popular events will again flourish now Europe Charles Lieber Moorestown NJ December issuewhich included Team Race Finalsprobably relieved Mr Liebers distress bit although did contain report Speed Team Trials Nats-related team trials included November issue cause insufficient space report both Nats regular events team trials Speed Team Trials other scheduling situation due two sites two dates Once second part Speed Team Trials held affecting three top spots could get report February issue report received time January Engines/Berliner continued page 15 first Gnome rotary square pistons 393 bore stroke 335 cu displacement weight 165 lbs produced its 50 hpat 1150 rpm few later LeRhones can still seen lug ging full-scale reproductions World War airplanes displays World War began sputtering engines wobbling airplanes before long both seen amazing advances rotary engines part replaced water-cooled V-8s came direct ancestors superb V-12s nations used World War II early Vees impact creation Swiss en gineer living Spain went production France Britain later USA Hispano-Suiza familiarly known Hisso Its advanced de sign included en bloc cylinder construc tion cast-aluminum water jacket enclosing steel cylinders effectively lubricated valves gearing combination automatic manual mix ture control fuel system per mitted inverted flight development potential pano-Suiza vast first pro duction model put out 150 hp 1400 rpm boosted 240 hp 2200 rpm no increase internal dimen sions Once bore stroke en larged up-rated 300 hp During World War II almost 50000 produced mainly classic SPAD SE-SA along some Bris tol F2Bs Sopwith Dolphins production Hissos 900 V-8s common versions 150-220 hp bore 472 stroke 511 dis placement 718 cu weight 455-465 lbs free troubles engines time did have difficulties high-pressure February 1978 85 GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES IN18$700 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241300 318 BORE AT YOUR DEALER uSE TO PROPEL AIR CREATE THRUST AND BE PROPELLED BY AIR AT DISCRETION OF THE PURCHASER frI1aL PROPELLERS LL GRISH PROPELLERS ARE ENGINEERED TO TRUEHELICAL ITCH AND AIRFOIL FOR EFFICIENCY NEW COLOR. YELLOW propellers fIN DRIPEI phasing out. ULM UIUIbUU NATURAL WHITE phases 54543 Minor production63 savings help hold6486 down prices Grish94 engineered air-114116 efficiency and124125 strength remain same either color lubrication system reduction gear contemporary metallurgy wasnt up Meanwhile back safe side Atlantic America getting act its first important production en gine Curtiss OX-S powered US sole original contribution World War in-the-air JN-4 Jenny 4000 famous trainers built hundreds surplus engines poured private market after war become basis whole range civil aircraft including such famous marks Travelair Waco Curtiss Robin Such nostalgia connected OX-5 has long club have flown behind enjoy swapping tales adven tures OX-S like others day water-cooled aluminum crank case cylinders cast iron monel metal water jackets brazed onto bar rels pushrod actuated overhead valves last major engines have single ignition cause forced landings tendency water pump leak carburetor basic OX-S 4 bore 5 stroke piston displacement 503 cu weight 320 lbs ground out 90 hp 1400 rpm OX-S merely first step very young American aircraft engine industry second step Liberty V12 excellent engine first Liberty wasnt delivered until late 1917 5000 went wartime deHavilland DH-4s built li cense US hundred Handley-Page 0/400 bombers post-war use Lib erty permanently enshrined engine hall-of-fame Four powered Curtiss NC-4 first transatlantic flight airplane 1919 nose Fokker T-2 made first non-stop coast-to-coast flight across US 1923 Libertys two hefty Douglas World Cruisers became first airplanes fly around world 1924 Such flights proved better advertising slogans Lib erty quite powerplant Compared OX-5 Liberty big engine otherwise pretty conventional Based Mercedes style welded cylinders suffered such common complaints burned exhaust valves cracked water jackets broken accessory gears still good engine long enough spare parts handy bore 5 stroke 7 displacement 1650 cu later duplicated Rolls Royce Merlin Liberty weighed 850 lbs rated 420 hp 1700 rpm whereas Rolls 20 years later weighed half again much developed 3-5 times much power Once Liberty shown itself first-class engine Curtiss got game produced whole series castaluminum powerplants V-12s four valves per cylinder first gain fame D-12 used Curtiss P-I Boeing PW-9 pursuits Curtiss R-6 R-8 Army racers R-6 D-12 set world speed records 223 mph 237 mph 1922 broken following year R-8 259 mph finally 267 mph Perhaps finest use D-12 Steve Wittmans big Bonzo custombuilt Thompson Trophy Racer once hit 325 mph level flight screaming D-12 led directly Curtiss V-1400 Jimmy Doolit tIe won 1925 Schneider Trophy Race seaplanes 233 mph final development D-12 V-1570 Conqueror used classic Curtiss P-6 Hawk pursuit 1932 late 1935 Consolidated P-30 Once cooling water replaced glycol Conqueror shone its non-racing form D-12 pro duced 325 hp 1800 rpm bore 4/2 stroke 6 displacement 1145 cu weight 700 lbs As modified competition put out much 500 hp course required considerably maintenance Construction D- 12 similar Wright-built Hispano-Suiza cylinders aluminum rather common steel used European Hissos Through much history airplane engines liquid-cooled in-line engine has darling airframe designers well fans looks like powerful air craft engine should look can packed small sleekly-shaped cowl ing Yet has long true less glamorous-looking radial has really done work arguments will go ever about better must ad mitted radial better developed putting out power dif ferent uses turbine finally passed piston simpler lighter lacking awkward often annoying radiator plumbing liquid-cooled engine beginning important American radial engines late 1920s Wright J-5 Whirlwind came being Developed out smaller Lawrance J-l went production 1926 soon chosen some bestknown flying machines day par ticular played very large part success Lindberghs historic flight New York Paris 1927 running smoothly 33 hours first Ford Tn-motor airliners used Whirlwinds did early Lockheed Vega Pitcairn Mailwing others radial worked well USA Europe well major parts aeronautical industry decided 86 Model Aviation 2 Blade Tractor2 Blade Pusher 53 5/-43054-463 6435 6435d868W U 7-8SOd96 106$1 \ 5d 3Blade T actoBLADE 5363 64SOd 10-6 3Blade Pushe 11-8 Si63 cAurr 126SiSO Made P0 ye$te donOtbO o coo86 ATYOUADEALEK96 06 Pate06$150 0 RUSH ST JOHN INDIANA n Color 51 S125 104 $150 concentrate put less effort money trying perfect liquidcooled in-lines lower weight re duced maintenance first partly can celled out greater drag radial NACA developed its clean round cowling became possible build radial-engined planes fast in-line brothers still being demonstrated Reno Air Races Bearcats have won twice races Mustangs Wright J-5 R-790 won pres tigious Collier Trophy its makers 1927 soon led R-975 used some Beech Staggerwings prede cessor AT-6 R-1820 Cyclone used B-25 finally R-3350 used B-29 Constellation original J-5 bore 4 stroke 5/2 weight 508 lbs compression ratio 52 1 developed its 200 hp 1800 rpm Along immensely popular line radial engines 1920s 1930s some considerably less well known some cases radical designs nevertheless made own con tributions history devices make propellers go around airplanes go forward include barrel cam engines sleeve-valve designs lat ter British speciality Bristol engines type used thousands RAF bombers style piston engine has long used road vehicles brief success airplanes diesel After considerable experience German dirigibles tried airplanes Packard built good enough set non-refueling duration record 84 hours Ger mans brought diesel its greatest point Junkers Jumo 6-cylinder verticallyopposed water-cooled diesel used some extent pre-war airliners tracted attention powering Ju-86P high-altitude spy plane during early days World War II took spe cial model Spitfire climb above 40000 feet oil-burner working unmolested end line compression-ignition engine airplanes high-compres sion gasoline engine passed Jumo supercharging developed 750 hp 1800 rpm weighed 1650 lbs supercharging put out 1200 hp 3000 rpm other piston engines devel oped during period played ma jor roles story aircraft propulsion today gas turbine seems dominant tens thou sands being built Continental Ly coming year dozen herein described seem have played vital roles progress power few rattling horsepower thousands smooth dependable horses made airr 3 epoxy glues Because know model building cant done type glue Thatswhy Hobbypoxy makes three Formula 1 general purpose epoxy glue gives 15 minutes work ing time cures hard hour Thats just about right construction insllation components need shifted around bit perfect alignment before glue sets Formula 2 has much longer working time 45 minutes makes per fect large-area laminating planking wings can put glue ribs position skins pin down before glue hardens Formula 2 also recommended fiberglass layup fuel-proofing engine compartments surfacing resin bare balsa* Formula 4 superior version popular five minute epoxies Great quick construction quick repairs perfect joining parts impossible clamp pin st hand-hold few short minutes its done Hobbypoxy epoxy glues completely fuel proof permanently flexible Joints will never crack shatter way some other epoxies contrary popular myth Hobbypoxy epoxy glues will adhere cure properly prepared fiberglass So whatever youve got glue glue Hobby poxy original epoxy models *For complete description use Formula 2 finishing send free Poxy Painting Pointers brochure Write word glue request HOIhYPUNY PRODUCTS planes useful Radio Technique/Myers continued page 17 tions cannot mix encoding schemes such old single-channel pulse scheme reed systems modern digital proportional Variant another sys tem works its own transmitter/ receiver combinations total number channels transmitter has within two three number receiver can have trouble reset pulse wasted some time trying operate 2-channel receiver 6-channel trans mitter speak experience Division Pettit Paint Co Inc 25 Pine Street Rockaway NJ 07866 Another problem area can neu tral-pulse time new Kraft KP-4A system components interchange able other Kraft systems primarily because use l7ms neutral instead customary 1 5ms also moved wires Multicon connector servos cant connected plugged wrong receiver Receivers Subject discussion above can exchange receivers among various systems primary difficulty will plugs set plugs make necessary adapters 4-channel system will cost 7 10 dollars forced cut up aileron extender cables $3 apiece its Remember youll need February 1 978 87