Radio Control Helicopters Larry Jolly WELCOME BACK month going take look different sort rotorcraft known autogyro An autogyro definition aircraft supported flight unpowered main rotor basically means unlike helicopter has main rotor mechanically linked power plant autogyro has freewheeling main rotor propelled through air some type motor engine attached gyros fuselage Becuase autogyros rotor attached fuselage such manner its disk positive angle attack relative wind enters bottom side rotor disk main rotors spun-up upward flow air can think autogyro helicopter main rotor always autorotation Similarly because rotor unpowered no torque transferred fuselage therefore no need tail rotor As can see although autogyro helicopter share some common parts quite same main difference autogyros main rotor provides lift forward movement disk caused fuselage dragging rotor through air means autogyro cannot hover unless enough wind present overcome machines normal ground speed Another differ ence autogyros machine cannot take off spot Instead autogyro must taxi briskly across airfield until enough speed has reached make main rotor spin up flight rpm have dozens successful full-size autogyros built over years Most us familiar home-built Benson GyroCopters Wallis Autogyro used James Bond 007 films Anyone has seen machines realizes just maneu verable truly stable can Some autogyros have become very sophisti cated machines addition main rotor collective pitch control powered spin-up device allows lump takeoffs spinup has proven essential least model design will eventually become standard single-rotor miniature autogyros have always interested autogyros have always wanted fly radio control Back 1976 saw Kevin Flynn fly doublerotor machine manufactured Englands DB model flew truly successful didnt seem care way rotors turned would also fly rotors removed featured quite-large-chord rotorsupport looked suspiciously like wing little later personal experience prototype Kate Robin 40-size machine cyclic control rudder throttle instructions said make taxirun wind would fly rotor enough rpms can still remember scene intrepid aviator placed model autogyro runways centerline checked controls gave er gas thing shot off like rocket ship although its appearance like Don Quixotes windmills After Continued page 162 Larry tells us lot about very interesting new rotorcraft month Wallis Autogyro Micro Mold First photo L Above gives overall view OS 50-powered machine Next photo R Above gives better look engine installation main rotor cyclic controls Belt drive engine prop shaft isthe major unique feature machine automatic rotorspin-up drive gets keeps rotor minimum safe flight rpm whenever engine running Photos below give closer look fixed-collective main rotor 1 its Hiller-type paddles very neat radio installation R Engines muffler GMP Shuttle February 1987 55 ground run 70 feet applied bit backpressure stick machine immediately broke ground did half-roll right disintegrated impact later saw some film footage Mike Mass successfully flying Robin have since decided crash due pilot inexperi ence poor setup tricky craft mostly CA MASK CA glue works wonders building models right Unfortunately gives oft enough fumes knock vulture f carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumesl soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get protected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 P S Send catalog modelers safety supplies Yes Im sick CA fumes Send CA mask Enclosed $1247 shipping NAMF recently saw ad Micro Moldproduced Wallis Autogyro Through help Cliff Norman able procure kit pictures lead months article model describe Micro Mold model would say very much like GMP Cricket general layout fact imagine Cricket 64-inch rotor span equipped heavyduty tricycle landing carriage Now add stream lined body fairing vertical horizontal tail surfaces would looking Wallis Mr Roy Sturman designer model spent great deal time effort produce topnotch working gyro system looks elementary really very clever design Mr Sturman knew model autogyros successful because could easily attain maintain minimum rotor rpm safe flight caused low mass rotor system susceptible rapid loss rpm during maneuvering flight cleverly put spin-up device main gear device will spin rotor absolute low-end rpm regime needs safe flight As soon gyro flying rotor rpm speeds up past powered spin-up rpm free-wheels ingenious system makes virtually impossible stop rotor turning having model subsequently fall out control Micro Mold version pretty decent kit know some will laugh manufacturers extensive use plastic such swash plate However parts require very little hand-fitting system works amazingly well instruction manual very good lack ing information few minor points Anyone has Helicopter experience should have no problem assembling Wallis Once have kit youll need some addi tional items such engine fourchannel RC actuate cyclic controls rudder throttle chose OS 5OFSR power have found adequate thing neither mentioned nor supplied kit muffler engine began flying Wallis muffler Shame Larry RMcM engine suffer lean162 Model Aviation running mid-range bottom endexactly power-range machine operates time cured problem mounting GMP Shuttle muffler fit 05 50 very little tinkering required Follow instructions precisely comes flying department Wallis becomes quite unmanageable made fly around full throttle Realistically autogyro wants fly about 15 mphright like alrship use throttle control climb descend fore-and-aft cyclic slight trimming such flaring out bottom landing approach Once get used models handling qualities youll amazed maneu verable Wallis virtually stall-proof very gentle dont give too much Down elevator forward cyclic fly too fast Best get trouble merely pull power back release cyclic inputs watch recovery add power have found owning Wallis quite rewarding very different machine see K IMPORTED DIESELS AMAuroraD-CEDMVVSMSsEnya PAWTapllui Standard RIC.OS54S Acre ne VlntageSpert Contest Send 8100 Information CARLSOI4 ENGINE IMPORTS 814 East Marcoat Phoenix AZ 85022 THE DIFFERENT FOAM MODEL Lowset Cost Mqdellng 3 Send $100 latest fine-grain sheet foam 3 developments foam samples FREE foam 3 sources Hard Shell finishes now Ilable Dozens easy build foam air plane plans Peanuts RIC FOAM SCALE MODELS Box 662MA St Croix Falls WI 54024 II eg55 Antiques Military civiliaR HeIicopter Sailpanes 40KSOWS general incompetence RC Helicopters/Jolly Continued page 55 ADDRESS CITY STATE____________ ZIP____________ Li VISA Li MASTER Exp Date________ flying across airfield really quite fun fly Its quite Helicopter still deserving place anyones hangar youre interested buying Wallis try contacting SAVON Hobbies PO Box 421160 Miami FL 33242 have generously supplied new rotor blades after pranged making too fast touchdown athletic field Until next month Larry Jolly 5501 W Como Santa Ana CA 92703 1 St RC SaiI/Good-Meier Continued page 60 attempt followed again unsuccessful fifth launch provided flight lasted 104 seconds course flight reliable operation system convincingly demonstrated first turn left followed right two complete right circles several small left turn movements between small left turns performed show whether model still within range proper control operation moment distance between transmitter model over 2000 ft model flew region downdraft quickly steered toward home flying straight course landed some 20 yards transmitter first officially-recognized demonstration RC model Sailplane Germanyand perhaps world Al though model made several hard land ings course five flights no parts model RC gear damaged receiver did require retuning hefty cash prizes awarded following way 1st Lippitsch $8000 equivalent 1986 US dollars 2nd Sinn $1300 3rd Merkner-Rieger $700 competitors won valuable experi ence during first successful flights Rhoen expressed sincere hope within reasonably short time would able demonstrate im provements both regards variety control functions flight endurance must comment rate Lippitsch team very high joint abilities devising model radio control geartesting separately joining plane radio five attempts demonstrated radio control clearly right left turns nearly two minutes landed model near starting point indeed true pioneers Recent efforts trace whereabouts pioneers have successful interesting find out Helmut Sinn continued RC automatic flight controls 1938 Wasserkuppe demonstrated Glider gyro direc tional steering variometer pitch con trol Further July 1939 entered contest automatically-steered powered models requiring plane fly goal February 1987 163 worlds starter system worlds integrated system starter parts starts accessories gets off superior start Hi-Tork Dynatron Hi-Tork Starter worlds powerful standard starter0 Hi-Tork features several innova tive safety features including patented hand guard keep hands away propeller starter switch located below handgrip help prevent accidental starts heavy-duty Dynatron Starter delivers one-third maximum power 12 volts closest competitor 47- 69% torque standard 12volt starters greater output Dynatron can used 24 volts Equipped patented safety guard Dynatron backed full two-year warranty against manufacturing defects Both outstanding starters made USA compatible other Sullivan products exemplily dedication high quality technol ogy Youll find Sullivan starters accessories dealer near Get off safe trouble-free start time Sullivan Determined leading independent testing labaratory FVI4fR 7O6VtZ PRODUCTS no fly near overhead eectricpoaer Axes North 1-loves 5 tee bs 5166 mote MD 212240 301 732-3500 1ORE POWEi WITH LESS NOISE four-cycle measurIng up expectations read Make engine before Make 60 120 four-stroke less means 1 Quieter glow 2 More mellow sounding four-cycle 3 More usable power both 4 Highest power-to-weight ratio 5 The lowest idle ever 6 Increase mileage up 4 times 7 Runs cooler glow 8 No glowplugs fail 9 Increased reliability 10 Fuel available concentrate Conversion kits available 049 30 cid Schnuerle ported engines Its sim ple just change heads fuel What waiting Dust off two-cycle DIESELIZE Send self-addressed stamped enve lope 6O information call 203-8771670 between 730 pm 930 pm EST DAVIS DIESEL DEVELOPMENT PO Box 141 Malford CT 06460 LThe leader quiet combustion4 chnology since 1976J
Edition: Model Aviation - 1987/02
Page Numbers: 55, 162, 163
Radio Control Helicopters Larry Jolly WELCOME BACK month going take look different sort rotorcraft known autogyro An autogyro definition aircraft supported flight unpowered main rotor basically means unlike helicopter has main rotor mechanically linked power plant autogyro has freewheeling main rotor propelled through air some type motor engine attached gyros fuselage Becuase autogyros rotor attached fuselage such manner its disk positive angle attack relative wind enters bottom side rotor disk main rotors spun-up upward flow air can think autogyro helicopter main rotor always autorotation Similarly because rotor unpowered no torque transferred fuselage therefore no need tail rotor As can see although autogyro helicopter share some common parts quite same main difference autogyros main rotor provides lift forward movement disk caused fuselage dragging rotor through air means autogyro cannot hover unless enough wind present overcome machines normal ground speed Another differ ence autogyros machine cannot take off spot Instead autogyro must taxi briskly across airfield until enough speed has reached make main rotor spin up flight rpm have dozens successful full-size autogyros built over years Most us familiar home-built Benson GyroCopters Wallis Autogyro used James Bond 007 films Anyone has seen machines realizes just maneu verable truly stable can Some autogyros have become very sophisti cated machines addition main rotor collective pitch control powered spin-up device allows lump takeoffs spinup has proven essential least model design will eventually become standard single-rotor miniature autogyros have always interested autogyros have always wanted fly radio control Back 1976 saw Kevin Flynn fly doublerotor machine manufactured Englands DB model flew truly successful didnt seem care way rotors turned would also fly rotors removed featured quite-large-chord rotorsupport looked suspiciously like wing little later personal experience prototype Kate Robin 40-size machine cyclic control rudder throttle instructions said make taxirun wind would fly rotor enough rpms can still remember scene intrepid aviator placed model autogyro runways centerline checked controls gave er gas thing shot off like rocket ship although its appearance like Don Quixotes windmills After Continued page 162 Larry tells us lot about very interesting new rotorcraft month Wallis Autogyro Micro Mold First photo L Above gives overall view OS 50-powered machine Next photo R Above gives better look engine installation main rotor cyclic controls Belt drive engine prop shaft isthe major unique feature machine automatic rotorspin-up drive gets keeps rotor minimum safe flight rpm whenever engine running Photos below give closer look fixed-collective main rotor 1 its Hiller-type paddles very neat radio installation R Engines muffler GMP Shuttle February 1987 55 ground run 70 feet applied bit backpressure stick machine immediately broke ground did half-roll right disintegrated impact later saw some film footage Mike Mass successfully flying Robin have since decided crash due pilot inexperi ence poor setup tricky craft mostly CA MASK CA glue works wonders building models right Unfortunately gives oft enough fumes knock vulture f carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumesl soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get protected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 P S Send catalog modelers safety supplies Yes Im sick CA fumes Send CA mask Enclosed $1247 shipping NAMF recently saw ad Micro Moldproduced Wallis Autogyro Through help Cliff Norman able procure kit pictures lead months article model describe Micro Mold model would say very much like GMP Cricket general layout fact imagine Cricket 64-inch rotor span equipped heavyduty tricycle landing carriage Now add stream lined body fairing vertical horizontal tail surfaces would looking Wallis Mr Roy Sturman designer model spent great deal time effort produce topnotch working gyro system looks elementary really very clever design Mr Sturman knew model autogyros successful because could easily attain maintain minimum rotor rpm safe flight caused low mass rotor system susceptible rapid loss rpm during maneuvering flight cleverly put spin-up device main gear device will spin rotor absolute low-end rpm regime needs safe flight As soon gyro flying rotor rpm speeds up past powered spin-up rpm free-wheels ingenious system makes virtually impossible stop rotor turning having model subsequently fall out control Micro Mold version pretty decent kit know some will laugh manufacturers extensive use plastic such swash plate However parts require very little hand-fitting system works amazingly well instruction manual very good lack ing information few minor points Anyone has Helicopter experience should have no problem assembling Wallis Once have kit youll need some addi tional items such engine fourchannel RC actuate cyclic controls rudder throttle chose OS 5OFSR power have found adequate thing neither mentioned nor supplied kit muffler engine began flying Wallis muffler Shame Larry RMcM engine suffer lean162 Model Aviation running mid-range bottom endexactly power-range machine operates time cured problem mounting GMP Shuttle muffler fit 05 50 very little tinkering required Follow instructions precisely comes flying department Wallis becomes quite unmanageable made fly around full throttle Realistically autogyro wants fly about 15 mphright like alrship use throttle control climb descend fore-and-aft cyclic slight trimming such flaring out bottom landing approach Once get used models handling qualities youll amazed maneu verable Wallis virtually stall-proof very gentle dont give too much Down elevator forward cyclic fly too fast Best get trouble merely pull power back release cyclic inputs watch recovery add power have found owning Wallis quite rewarding very different machine see K IMPORTED DIESELS AMAuroraD-CEDMVVSMSsEnya PAWTapllui Standard RIC.OS54S Acre ne VlntageSpert Contest Send 8100 Information CARLSOI4 ENGINE IMPORTS 814 East Marcoat Phoenix AZ 85022 THE DIFFERENT FOAM MODEL Lowset Cost Mqdellng 3 Send $100 latest fine-grain sheet foam 3 developments foam samples FREE foam 3 sources Hard Shell finishes now Ilable Dozens easy build foam air plane plans Peanuts RIC FOAM SCALE MODELS Box 662MA St Croix Falls WI 54024 II eg55 Antiques Military civiliaR HeIicopter Sailpanes 40KSOWS general incompetence RC Helicopters/Jolly Continued page 55 ADDRESS CITY STATE____________ ZIP____________ Li VISA Li MASTER Exp Date________ flying across airfield really quite fun fly Its quite Helicopter still deserving place anyones hangar youre interested buying Wallis try contacting SAVON Hobbies PO Box 421160 Miami FL 33242 have generously supplied new rotor blades after pranged making too fast touchdown athletic field Until next month Larry Jolly 5501 W Como Santa Ana CA 92703 1 St RC SaiI/Good-Meier Continued page 60 attempt followed again unsuccessful fifth launch provided flight lasted 104 seconds course flight reliable operation system convincingly demonstrated first turn left followed right two complete right circles several small left turn movements between small left turns performed show whether model still within range proper control operation moment distance between transmitter model over 2000 ft model flew region downdraft quickly steered toward home flying straight course landed some 20 yards transmitter first officially-recognized demonstration RC model Sailplane Germanyand perhaps world Al though model made several hard land ings course five flights no parts model RC gear damaged receiver did require retuning hefty cash prizes awarded following way 1st Lippitsch $8000 equivalent 1986 US dollars 2nd Sinn $1300 3rd Merkner-Rieger $700 competitors won valuable experi ence during first successful flights Rhoen expressed sincere hope within reasonably short time would able demonstrate im provements both regards variety control functions flight endurance must comment rate Lippitsch team very high joint abilities devising model radio control geartesting separately joining plane radio five attempts demonstrated radio control clearly right left turns nearly two minutes landed model near starting point indeed true pioneers Recent efforts trace whereabouts pioneers have successful interesting find out Helmut Sinn continued RC automatic flight controls 1938 Wasserkuppe demonstrated Glider gyro direc tional steering variometer pitch con trol Further July 1939 entered contest automatically-steered powered models requiring plane fly goal February 1987 163 worlds starter system worlds integrated system starter parts starts accessories gets off superior start Hi-Tork Dynatron Hi-Tork Starter worlds powerful standard starter0 Hi-Tork features several innova tive safety features including patented hand guard keep hands away propeller starter switch located below handgrip help prevent accidental starts heavy-duty Dynatron Starter delivers one-third maximum power 12 volts closest competitor 47- 69% torque standard 12volt starters greater output Dynatron can used 24 volts Equipped patented safety guard Dynatron backed full two-year warranty against manufacturing defects Both outstanding starters made USA compatible other Sullivan products exemplily dedication high quality technol ogy Youll find Sullivan starters accessories dealer near Get off safe trouble-free start time Sullivan Determined leading independent testing labaratory FVI4fR 7O6VtZ PRODUCTS no fly near overhead eectricpoaer Axes North 1-loves 5 tee bs 5166 mote MD 212240 301 732-3500 1ORE POWEi WITH LESS NOISE four-cycle measurIng up expectations read Make engine before Make 60 120 four-stroke less means 1 Quieter glow 2 More mellow sounding four-cycle 3 More usable power both 4 Highest power-to-weight ratio 5 The lowest idle ever 6 Increase mileage up 4 times 7 Runs cooler glow 8 No glowplugs fail 9 Increased reliability 10 Fuel available concentrate Conversion kits available 049 30 cid Schnuerle ported engines Its sim ple just change heads fuel What waiting Dust off two-cycle DIESELIZE Send self-addressed stamped enve lope 6O information call 203-8771670 between 730 pm 930 pm EST DAVIS DIESEL DEVELOPMENT PO Box 141 Malford CT 06460 LThe leader quiet combustion4 chnology since 1976J
Edition: Model Aviation - 1987/02
Page Numbers: 55, 162, 163
Radio Control Helicopters Larry Jolly WELCOME BACK month going take look different sort rotorcraft known autogyro An autogyro definition aircraft supported flight unpowered main rotor basically means unlike helicopter has main rotor mechanically linked power plant autogyro has freewheeling main rotor propelled through air some type motor engine attached gyros fuselage Becuase autogyros rotor attached fuselage such manner its disk positive angle attack relative wind enters bottom side rotor disk main rotors spun-up upward flow air can think autogyro helicopter main rotor always autorotation Similarly because rotor unpowered no torque transferred fuselage therefore no need tail rotor As can see although autogyro helicopter share some common parts quite same main difference autogyros main rotor provides lift forward movement disk caused fuselage dragging rotor through air means autogyro cannot hover unless enough wind present overcome machines normal ground speed Another differ ence autogyros machine cannot take off spot Instead autogyro must taxi briskly across airfield until enough speed has reached make main rotor spin up flight rpm have dozens successful full-size autogyros built over years Most us familiar home-built Benson GyroCopters Wallis Autogyro used James Bond 007 films Anyone has seen machines realizes just maneu verable truly stable can Some autogyros have become very sophisti cated machines addition main rotor collective pitch control powered spin-up device allows lump takeoffs spinup has proven essential least model design will eventually become standard single-rotor miniature autogyros have always interested autogyros have always wanted fly radio control Back 1976 saw Kevin Flynn fly doublerotor machine manufactured Englands DB model flew truly successful didnt seem care way rotors turned would also fly rotors removed featured quite-large-chord rotorsupport looked suspiciously like wing little later personal experience prototype Kate Robin 40-size machine cyclic control rudder throttle instructions said make taxirun wind would fly rotor enough rpms can still remember scene intrepid aviator placed model autogyro runways centerline checked controls gave er gas thing shot off like rocket ship although its appearance like Don Quixotes windmills After Continued page 162 Larry tells us lot about very interesting new rotorcraft month Wallis Autogyro Micro Mold First photo L Above gives overall view OS 50-powered machine Next photo R Above gives better look engine installation main rotor cyclic controls Belt drive engine prop shaft isthe major unique feature machine automatic rotorspin-up drive gets keeps rotor minimum safe flight rpm whenever engine running Photos below give closer look fixed-collective main rotor 1 its Hiller-type paddles very neat radio installation R Engines muffler GMP Shuttle February 1987 55 ground run 70 feet applied bit backpressure stick machine immediately broke ground did half-roll right disintegrated impact later saw some film footage Mike Mass successfully flying Robin have since decided crash due pilot inexperi ence poor setup tricky craft mostly CA MASK CA glue works wonders building models right Unfortunately gives oft enough fumes knock vulture f carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumesl soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get protected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 P S Send catalog modelers safety supplies Yes Im sick CA fumes Send CA mask Enclosed $1247 shipping NAMF recently saw ad Micro Moldproduced Wallis Autogyro Through help Cliff Norman able procure kit pictures lead months article model describe Micro Mold model would say very much like GMP Cricket general layout fact imagine Cricket 64-inch rotor span equipped heavyduty tricycle landing carriage Now add stream lined body fairing vertical horizontal tail surfaces would looking Wallis Mr Roy Sturman designer model spent great deal time effort produce topnotch working gyro system looks elementary really very clever design Mr Sturman knew model autogyros successful because could easily attain maintain minimum rotor rpm safe flight caused low mass rotor system susceptible rapid loss rpm during maneuvering flight cleverly put spin-up device main gear device will spin rotor absolute low-end rpm regime needs safe flight As soon gyro flying rotor rpm speeds up past powered spin-up rpm free-wheels ingenious system makes virtually impossible stop rotor turning having model subsequently fall out control Micro Mold version pretty decent kit know some will laugh manufacturers extensive use plastic such swash plate However parts require very little hand-fitting system works amazingly well instruction manual very good lack ing information few minor points Anyone has Helicopter experience should have no problem assembling Wallis Once have kit youll need some addi tional items such engine fourchannel RC actuate cyclic controls rudder throttle chose OS 5OFSR power have found adequate thing neither mentioned nor supplied kit muffler engine began flying Wallis muffler Shame Larry RMcM engine suffer lean162 Model Aviation running mid-range bottom endexactly power-range machine operates time cured problem mounting GMP Shuttle muffler fit 05 50 very little tinkering required Follow instructions precisely comes flying department Wallis becomes quite unmanageable made fly around full throttle Realistically autogyro wants fly about 15 mphright like alrship use throttle control climb descend fore-and-aft cyclic slight trimming such flaring out bottom landing approach Once get used models handling qualities youll amazed maneu verable Wallis virtually stall-proof very gentle dont give too much Down elevator forward cyclic fly too fast Best get trouble merely pull power back release cyclic inputs watch recovery add power have found owning Wallis quite rewarding very different machine see K IMPORTED DIESELS AMAuroraD-CEDMVVSMSsEnya PAWTapllui Standard RIC.OS54S Acre ne VlntageSpert Contest Send 8100 Information CARLSOI4 ENGINE IMPORTS 814 East Marcoat Phoenix AZ 85022 THE DIFFERENT FOAM MODEL Lowset Cost Mqdellng 3 Send $100 latest fine-grain sheet foam 3 developments foam samples FREE foam 3 sources Hard Shell finishes now Ilable Dozens easy build foam air plane plans Peanuts RIC FOAM SCALE MODELS Box 662MA St Croix Falls WI 54024 II eg55 Antiques Military civiliaR HeIicopter Sailpanes 40KSOWS general incompetence RC Helicopters/Jolly Continued page 55 ADDRESS CITY STATE____________ ZIP____________ Li VISA Li MASTER Exp Date________ flying across airfield really quite fun fly Its quite Helicopter still deserving place anyones hangar youre interested buying Wallis try contacting SAVON Hobbies PO Box 421160 Miami FL 33242 have generously supplied new rotor blades after pranged making too fast touchdown athletic field Until next month Larry Jolly 5501 W Como Santa Ana CA 92703 1 St RC SaiI/Good-Meier Continued page 60 attempt followed again unsuccessful fifth launch provided flight lasted 104 seconds course flight reliable operation system convincingly demonstrated first turn left followed right two complete right circles several small left turn movements between small left turns performed show whether model still within range proper control operation moment distance between transmitter model over 2000 ft model flew region downdraft quickly steered toward home flying straight course landed some 20 yards transmitter first officially-recognized demonstration RC model Sailplane Germanyand perhaps world Al though model made several hard land ings course five flights no parts model RC gear damaged receiver did require retuning hefty cash prizes awarded following way 1st Lippitsch $8000 equivalent 1986 US dollars 2nd Sinn $1300 3rd Merkner-Rieger $700 competitors won valuable experi ence during first successful flights Rhoen expressed sincere hope within reasonably short time would able demonstrate im provements both regards variety control functions flight endurance must comment rate Lippitsch team very high joint abilities devising model radio control geartesting separately joining plane radio five attempts demonstrated radio control clearly right left turns nearly two minutes landed model near starting point indeed true pioneers Recent efforts trace whereabouts pioneers have successful interesting find out Helmut Sinn continued RC automatic flight controls 1938 Wasserkuppe demonstrated Glider gyro direc tional steering variometer pitch con trol Further July 1939 entered contest automatically-steered powered models requiring plane fly goal February 1987 163 worlds starter system worlds integrated system starter parts starts accessories gets off superior start Hi-Tork Dynatron Hi-Tork Starter worlds powerful standard starter0 Hi-Tork features several innova tive safety features including patented hand guard keep hands away propeller starter switch located below handgrip help prevent accidental starts heavy-duty Dynatron Starter delivers one-third maximum power 12 volts closest competitor 47- 69% torque standard 12volt starters greater output Dynatron can used 24 volts Equipped patented safety guard Dynatron backed full two-year warranty against manufacturing defects Both outstanding starters made USA compatible other Sullivan products exemplily dedication high quality technol ogy Youll find Sullivan starters accessories dealer near Get off safe trouble-free start time Sullivan Determined leading independent testing labaratory FVI4fR 7O6VtZ PRODUCTS no fly near overhead eectricpoaer Axes North 1-loves 5 tee bs 5166 mote MD 212240 301 732-3500 1ORE POWEi WITH LESS NOISE four-cycle measurIng up expectations read Make engine before Make 60 120 four-stroke less means 1 Quieter glow 2 More mellow sounding four-cycle 3 More usable power both 4 Highest power-to-weight ratio 5 The lowest idle ever 6 Increase mileage up 4 times 7 Runs cooler glow 8 No glowplugs fail 9 Increased reliability 10 Fuel available concentrate Conversion kits available 049 30 cid Schnuerle ported engines Its sim ple just change heads fuel What waiting Dust off two-cycle DIESELIZE Send self-addressed stamped enve lope 6O information call 203-8771670 between 730 pm 930 pm EST DAVIS DIESEL DEVELOPMENT PO Box 141 Malford CT 06460 LThe leader quiet combustion4 chnology since 1976J