V SOARING Dan Pruss IF YOU THOUGHT Two-Meter designs drab unimaginative winners ugly duckling look-alike contest missed few pleasant surprises appeared year s AMA Nationals True Tom Killough Alabama won 2M event simple straightforward designa Drifter Craftaire just goes prove three Pspilot plane prac ticestill win contests Nats saw three-piece wings winglets pylon-mounted wings T-tails V-tails mention some tall tales bird solar cells mounted wings Less half planes spoilers did some clever linkage installations Anybody can line up battery receiver bank servos Behemoth 14 installa tion looks like showcase display look John Gunsaullus 2M creation Some say fuselage thin has side What see fuselage photo pod pod-and-boom configuration radio installa tion looked like printed place Jim White Californiathe parachute man flew 2M version Sagitta third servo spoilers located fuselage line wing just behind main support rod installation scheme similar standard Sagitta could adapted other existing designs couple years ago 2M class just catching Since LSF Tournaments AMA Nationals Two-Meter Cup open international competition see November 80 MAhave proven Two-Meter stay Yet local level few clubs have promoted class cost radios material increasing trend smaller cars Two-Meter birds just could become popular class block club sponsoring contest budget wont allow trophies extra event combine couple others Example combine Standard Unlimited give separate awards Two-Meter class Besides promoting event youll also save towline wear over months column has begun sound like PR vehicle Pat Flinn Jack Hinerso Since cross-country achieve ments last summer both gents entered select group fliers now nubmers 16 Right after Flinns Great Race V win November MA flew eight-hour slope requirement next day logged third required win become 15th LSF Level V out over 4000 members think have go Torrey Pines other spots along West Coast shoreline get eight hours Midwesterners can head wagons Lake Michigan instead Pat got spot called Sleeping Bear Dune Its up near Traverse City area right eastern shore Lake Michigan Its great vacation spot dunes Pat perched eight hours 450 feet high Nice Across lake just south Milwaukee Cudahy bluffs dont have tourist attractions Michigan side does slopes have kind least few fliers Last summer Greg Seydel Milwaukee 30 Model Aviation New Yorks John Grigg believes using aU Two-Meter wing Short pylon wing mount assures wing completely undisturbed airstream Italys Paglianoan F36 designerhas tested similar designs wind tunnel Model also features pod-and-boom T-tail Everybody wants get act Al Doig has exercised design talents see can makeaTwo-Meterbreakdown intosmallenough components fit glove compartment jim wnite witn nis Two-Meter Sagittaone few using spoilerson 1-muriod l uunsauiius wisn ulira-sKinny Two-Metership Thewings Two-Meter ship Hatch between thumbs lifts up access spoiler modified Hobie Hawk fuselage pod-and-boom Uses rudder/elevator servo ballast compartment member Suds City Flyers ho-hummed way through eight hours required towards Level V However contrast Seydells first-try achievement Hiner after eight-hour goal since 1975 Back John Baxter Steve Work became first second achieve Level V eight hours Jack needed last October 12 Jack went third spot along Lake MichiganWarren Dunes along southern edge lake near Indiana/Michigan border Jack flew Aquila C-size cells strapped top fuselage Accompanying Hiner Stan Watson flew Pegasus see August 8OMA Like Seydell Watsons first attempt Over years have decried eight-hour slope task also think Boston Marathon should about 20 miles shorter eight-hour slope test pilot plane Talk Hiner Back 75 could have first make Level V 12 amp-hour cell went sour March 5 hours went naught July rudder servo died 6 hrs 53 mm 1976 1977 Jack wasnt right place right timeand neither windas flight ended 6 hours Jack logs fun flys 1978 radio interference aborted two flights four-hour mark again 1979 wind died 6 hours Jacks log book shows flew 45 hours during 11 attempts make eight-hour requirement Level V dear reader case explain 16 Out 4000 us Congrats Flinn Hiner Clubs Three new club letters have come way metropolitan areas should grow Soaring interest clubs Bluegrass Soaring Society Box 286 Georgetown KY 40324 Atlanta Soaring Association Dick Renskers President 517 Fon du Lac Drive Stone Mountain GA 30088 Steel City Soarers 711 N 3rd Street Jeannette PA 16544 Speaking clubs SOAR announced has upped prize money $1000 first Continued page 110 ChuckAnderson came Tullahoma TN tofly winglet-equipped bird Nats same modified Spica featured Chucks winglet article May 1980 MAthe winglet/tips removable otherwise fixed position Howeverif rigged hinge down ward flight thereby effectively turning Two-Meter Standard might see another CD trading flight suit straight jacket T IS YOUR MONSTER MODEL T THE FOLLOWING FEATURES ARE STANDARD ON ALL SILVER SEVENS Servo Reversal SwitchesTrim/Aux Location VariablesAll US 27 53 72 Preq Available Independent Throw AdjastTrim Authority Programmability Open Gimbal Sticks ChannelsDual Rates Three ChannelsnEattery ESV lndependsnt Center AdjsstPIugin RF Deck OptionFulI Adjustability Range f Throttle Aus As II650 MW DutpsitSrands Flit Packs Retrect Channel Fall Adjust9BV NiCdsnEasy Buildability * STANDARD GIMBAL TWO STICK TRANSMITTER KIT 11G207 $15995 Complete Systems start 128496 * STANDARD GIMBAL SINGLE STICK TRANSMITTER KIT 110237 $17496 Complete Systems start 129995 * DELUXE METAL GIMBAL TWO STICK TRANSMITTER KIT 11G227 $23995 Complete Systems start $36495 * DELUXE METAL GIMBAL SINGLE STICK TRANSMITTER KIT 11G217 $20996 Complete Systams start $33496 THE FOLLOWING OPTIONS ARE AVAILABLE FOR THE SILVER SEVEN nMIXER.mixes two channels together either bi-directionally arunidirectionally 110506 $1196 Note Currently Exponential Mixer cant beaned seine time PRcoRAMMABLE PUSH BUTTONS-move control surface inf light programmable location posit abutton two funstiom 110510One Function $896 11GB11Two Function $1196 nEXPONENTIAL RATE three channels gives aoft neutral far smoother flying Ii iGgOC $1796 OVERBUDGET UNDERFINANCED Save some bucks SILVER SEVEN Super Transmitters new ATLAS Heavy Duty Servo ATLAS SERVO Sjze937 X 109 X 175 Weight 182 oz Thrust 8 lbs 14G20A Atlas Kit $2895 14G2OAC Atlas Amy $3645 81K22 Atlas Ball Bearing $3 81 K21 Atlas 0 Rings $1 NOTE servos come less connectors info send $2 80/81 Catalog Box 511 E HIGGINSVILLE MO64037 816 584-7121 February 1981 31 tail feathers John Browns Icarus uses Du-Bro mixer mounted servos elevator horns Du-Bro ball joints SCALE WHE RADIO CONTROL ROL-UNE 0 _ 0 0 VINTAGESMOOTHGOLDEN AGENEW sizes2YzCONTOURsizes21/iBALLOON 343/"23/43431/a 1334134132/z41/2 11443/i11/4311/443/i34514 11/251/24/z1hz53 1ls6/21451/41s61/2 ELS FREE-FLIGHT SCALE PILOTS CYUNDERS ENGINE KITS MACHINE GUN KITS PLASTIC DISPLAY MODELS EROS INTh SEND $1 FOR COMPLETE ILLUSTRATED CATALOG ___________________ DEPT MA PAWNEE ST SAN MARCOS CA 9 INTRODUCING Tile American RJL K6I R/C ENGINE RJL Industries now produces renowned engine formerly manufactured Kraft Systems Inc schnuerle ported 61 cubic inch engine provides easy starting high performance longevity Produced finest materials workmanship quality assurance youll proud have aircraft powered K61 FEATURES INCLUDE Schnuerle Ports Boost Port Double Ball Bearings Forged Alloy Piston & Con Rod Bushed Connecting Rod 0- ring Sealed Back Cover 16 HP 15500 RPM SUGGESTED RETAIL $13995 Muffler Included Send Free Catalog Today R J L INDUSTRIES P0 Box 5654 Pasadena CA 91107 1831 Business Center Dr Duarte CA 91010 allows oil soaking begins invite warps Incidentally have just learned R 1 Mikkelson producing nitrate dope red yellow blue orange black white distil bution Old Timer Models PO Box 913 Westminster CA 92683 last word Dont stink up house just before company comes may understand reference dope Clarence Haught Rt 5 Box 16 CouerdAlene ID 83814 i 213/359-0016 RC Helicopters/Chesney Continued page 33 sponses As someone told few years back might get trouble faster can get out trouble faster too course Heli copter will respond differently pilots capabilities will vary best rule may well fly way comes out box Thought might enjoy knowing few times snows down South photos shows mere snow cant stop dedi cated chopper pilot like W R Hartness Sanford NC Also special tip winter fliers Lloyd Wheelerwatch out rotor blade icingSee next month Dave Chesney 9 Box 621A Greensboro NC 27409 RC Soaring/Pruss Continued page 31 place fastest time around 76-kilometer 472-mi Great Race course race Pat Flinn Greater Detroit Soaring Hiking Society won last year flight 304 miles November MA challenge open AMA chartered clubs further formation may obtained sending stamped self-addressed business envelope address below Good Lift Dan Pruss RR 2 Box 49D Plainfield IL 60544 RC Scale/Wischers Continued page 35 Early morning wind light Brian Allen flew Gossamer Albatross misfortune Wittman Airport day pleasure introduction also met Brians parents source modesty equanimity became apparent Scale race-plane buffs fullsize reproductions Gee Bee Z Travelair Mystery Ship Laird Super Solution along Jimmy Doolittle flew original Laird Bendix Thompson Trophy races Two weeks after convention again Wittman field attended three days World Aerobatic Championships Forty-two men nine women 10 countries included competition about 20 planes use several pilots taking turns flying some planes Pitts 5-1 S-2s common US designs along Christen Eagle Leo Loudenslagers winning Laser 200 German team used Zlin SOL France three CAP 20s CAP 21 ASA 200 CAP 20 fuselage tapered wing place usual semi-elliptical planform aerobatic types ideal Scale projects some already available kit form CAP 20 featured construction article March 1980 issue Model Aviation United States swept first three places both mens womens divisions reader trend toward 1/5-scale practical alternative Giant Scale seems gaining foothold thought letter Louie Scribner contained material general interest Nats chance visit Springfield MAC field Donnelsville OH watched several fellows flying new Old-Timers seven-foot-span range powered 05 60 4-cycle engines impressed quiet engines low rpms floating ability planes occurred build Sport Scale might build Piper 1-3 along same lines would fly slowly smoothly calm air using same 05 60 engine might add Im interested belt drives chain-saw engines Giant Scale Ive already built Sig J-3 turned out rather nicely Im considering scaling Sig plans up 117 times 1/6-scale handle 05 60 engine seems have about power good 40 14-6 7500 rpm Obviously -scale too much 1/5-scale might right would produce following numbers Span 845-in chord 12-in wing thickness 1-5/16-in overall length 52-in area Continued page 112 110 Model Aviation 0 SAFE FLYING IS NO ACCIDENT
Edition: Model Aviation - 1981/02
Page Numbers: 30, 31, 110
V SOARING Dan Pruss IF YOU THOUGHT Two-Meter designs drab unimaginative winners ugly duckling look-alike contest missed few pleasant surprises appeared year s AMA Nationals True Tom Killough Alabama won 2M event simple straightforward designa Drifter Craftaire just goes prove three Pspilot plane prac ticestill win contests Nats saw three-piece wings winglets pylon-mounted wings T-tails V-tails mention some tall tales bird solar cells mounted wings Less half planes spoilers did some clever linkage installations Anybody can line up battery receiver bank servos Behemoth 14 installa tion looks like showcase display look John Gunsaullus 2M creation Some say fuselage thin has side What see fuselage photo pod pod-and-boom configuration radio installa tion looked like printed place Jim White Californiathe parachute man flew 2M version Sagitta third servo spoilers located fuselage line wing just behind main support rod installation scheme similar standard Sagitta could adapted other existing designs couple years ago 2M class just catching Since LSF Tournaments AMA Nationals Two-Meter Cup open international competition see November 80 MAhave proven Two-Meter stay Yet local level few clubs have promoted class cost radios material increasing trend smaller cars Two-Meter birds just could become popular class block club sponsoring contest budget wont allow trophies extra event combine couple others Example combine Standard Unlimited give separate awards Two-Meter class Besides promoting event youll also save towline wear over months column has begun sound like PR vehicle Pat Flinn Jack Hinerso Since cross-country achieve ments last summer both gents entered select group fliers now nubmers 16 Right after Flinns Great Race V win November MA flew eight-hour slope requirement next day logged third required win become 15th LSF Level V out over 4000 members think have go Torrey Pines other spots along West Coast shoreline get eight hours Midwesterners can head wagons Lake Michigan instead Pat got spot called Sleeping Bear Dune Its up near Traverse City area right eastern shore Lake Michigan Its great vacation spot dunes Pat perched eight hours 450 feet high Nice Across lake just south Milwaukee Cudahy bluffs dont have tourist attractions Michigan side does slopes have kind least few fliers Last summer Greg Seydel Milwaukee 30 Model Aviation New Yorks John Grigg believes using aU Two-Meter wing Short pylon wing mount assures wing completely undisturbed airstream Italys Paglianoan F36 designerhas tested similar designs wind tunnel Model also features pod-and-boom T-tail Everybody wants get act Al Doig has exercised design talents see can makeaTwo-Meterbreakdown intosmallenough components fit glove compartment jim wnite witn nis Two-Meter Sagittaone few using spoilerson 1-muriod l uunsauiius wisn ulira-sKinny Two-Metership Thewings Two-Meter ship Hatch between thumbs lifts up access spoiler modified Hobie Hawk fuselage pod-and-boom Uses rudder/elevator servo ballast compartment member Suds City Flyers ho-hummed way through eight hours required towards Level V However contrast Seydells first-try achievement Hiner after eight-hour goal since 1975 Back John Baxter Steve Work became first second achieve Level V eight hours Jack needed last October 12 Jack went third spot along Lake MichiganWarren Dunes along southern edge lake near Indiana/Michigan border Jack flew Aquila C-size cells strapped top fuselage Accompanying Hiner Stan Watson flew Pegasus see August 8OMA Like Seydell Watsons first attempt Over years have decried eight-hour slope task also think Boston Marathon should about 20 miles shorter eight-hour slope test pilot plane Talk Hiner Back 75 could have first make Level V 12 amp-hour cell went sour March 5 hours went naught July rudder servo died 6 hrs 53 mm 1976 1977 Jack wasnt right place right timeand neither windas flight ended 6 hours Jack logs fun flys 1978 radio interference aborted two flights four-hour mark again 1979 wind died 6 hours Jacks log book shows flew 45 hours during 11 attempts make eight-hour requirement Level V dear reader case explain 16 Out 4000 us Congrats Flinn Hiner Clubs Three new club letters have come way metropolitan areas should grow Soaring interest clubs Bluegrass Soaring Society Box 286 Georgetown KY 40324 Atlanta Soaring Association Dick Renskers President 517 Fon du Lac Drive Stone Mountain GA 30088 Steel City Soarers 711 N 3rd Street Jeannette PA 16544 Speaking clubs SOAR announced has upped prize money $1000 first Continued page 110 ChuckAnderson came Tullahoma TN tofly winglet-equipped bird Nats same modified Spica featured Chucks winglet article May 1980 MAthe winglet/tips removable otherwise fixed position Howeverif rigged hinge down ward flight thereby effectively turning Two-Meter Standard might see another CD trading flight suit straight jacket T IS YOUR MONSTER MODEL T THE FOLLOWING FEATURES ARE STANDARD ON ALL SILVER SEVENS Servo Reversal SwitchesTrim/Aux Location VariablesAll US 27 53 72 Preq Available Independent Throw AdjastTrim Authority Programmability Open Gimbal Sticks ChannelsDual Rates Three ChannelsnEattery ESV lndependsnt Center AdjsstPIugin RF Deck OptionFulI Adjustability Range f Throttle Aus As II650 MW DutpsitSrands Flit Packs Retrect Channel Fall Adjust9BV NiCdsnEasy Buildability * STANDARD GIMBAL TWO STICK TRANSMITTER KIT 11G207 $15995 Complete Systems start 128496 * STANDARD GIMBAL SINGLE STICK TRANSMITTER KIT 110237 $17496 Complete Systems start 129995 * DELUXE METAL GIMBAL TWO STICK TRANSMITTER KIT 11G227 $23995 Complete Systems start $36495 * DELUXE METAL GIMBAL SINGLE STICK TRANSMITTER KIT 11G217 $20996 Complete Systams start $33496 THE FOLLOWING OPTIONS ARE AVAILABLE FOR THE SILVER SEVEN nMIXER.mixes two channels together either bi-directionally arunidirectionally 110506 $1196 Note Currently Exponential Mixer cant beaned seine time PRcoRAMMABLE PUSH BUTTONS-move control surface inf light programmable location posit abutton two funstiom 110510One Function $896 11GB11Two Function $1196 nEXPONENTIAL RATE three channels gives aoft neutral far smoother flying Ii iGgOC $1796 OVERBUDGET UNDERFINANCED Save some bucks SILVER SEVEN Super Transmitters new ATLAS Heavy Duty Servo ATLAS SERVO Sjze937 X 109 X 175 Weight 182 oz Thrust 8 lbs 14G20A Atlas Kit $2895 14G2OAC Atlas Amy $3645 81K22 Atlas Ball Bearing $3 81 K21 Atlas 0 Rings $1 NOTE servos come less connectors info send $2 80/81 Catalog Box 511 E HIGGINSVILLE MO64037 816 584-7121 February 1981 31 tail feathers John Browns Icarus uses Du-Bro mixer mounted servos elevator horns Du-Bro ball joints SCALE WHE RADIO CONTROL ROL-UNE 0 _ 0 0 VINTAGESMOOTHGOLDEN AGENEW sizes2YzCONTOURsizes21/iBALLOON 343/"23/43431/a 1334134132/z41/2 11443/i11/4311/443/i34514 11/251/24/z1hz53 1ls6/21451/41s61/2 ELS FREE-FLIGHT SCALE PILOTS CYUNDERS ENGINE KITS MACHINE GUN KITS PLASTIC DISPLAY MODELS EROS INTh SEND $1 FOR COMPLETE ILLUSTRATED CATALOG ___________________ DEPT MA PAWNEE ST SAN MARCOS CA 9 INTRODUCING Tile American RJL K6I R/C ENGINE RJL Industries now produces renowned engine formerly manufactured Kraft Systems Inc schnuerle ported 61 cubic inch engine provides easy starting high performance longevity Produced finest materials workmanship quality assurance youll proud have aircraft powered K61 FEATURES INCLUDE Schnuerle Ports Boost Port Double Ball Bearings Forged Alloy Piston & Con Rod Bushed Connecting Rod 0- ring Sealed Back Cover 16 HP 15500 RPM SUGGESTED RETAIL $13995 Muffler Included Send Free Catalog Today R J L INDUSTRIES P0 Box 5654 Pasadena CA 91107 1831 Business Center Dr Duarte CA 91010 allows oil soaking begins invite warps Incidentally have just learned R 1 Mikkelson producing nitrate dope red yellow blue orange black white distil bution Old Timer Models PO Box 913 Westminster CA 92683 last word Dont stink up house just before company comes may understand reference dope Clarence Haught Rt 5 Box 16 CouerdAlene ID 83814 i 213/359-0016 RC Helicopters/Chesney Continued page 33 sponses As someone told few years back might get trouble faster can get out trouble faster too course Heli copter will respond differently pilots capabilities will vary best rule may well fly way comes out box Thought might enjoy knowing few times snows down South photos shows mere snow cant stop dedi cated chopper pilot like W R Hartness Sanford NC Also special tip winter fliers Lloyd Wheelerwatch out rotor blade icingSee next month Dave Chesney 9 Box 621A Greensboro NC 27409 RC Soaring/Pruss Continued page 31 place fastest time around 76-kilometer 472-mi Great Race course race Pat Flinn Greater Detroit Soaring Hiking Society won last year flight 304 miles November MA challenge open AMA chartered clubs further formation may obtained sending stamped self-addressed business envelope address below Good Lift Dan Pruss RR 2 Box 49D Plainfield IL 60544 RC Scale/Wischers Continued page 35 Early morning wind light Brian Allen flew Gossamer Albatross misfortune Wittman Airport day pleasure introduction also met Brians parents source modesty equanimity became apparent Scale race-plane buffs fullsize reproductions Gee Bee Z Travelair Mystery Ship Laird Super Solution along Jimmy Doolittle flew original Laird Bendix Thompson Trophy races Two weeks after convention again Wittman field attended three days World Aerobatic Championships Forty-two men nine women 10 countries included competition about 20 planes use several pilots taking turns flying some planes Pitts 5-1 S-2s common US designs along Christen Eagle Leo Loudenslagers winning Laser 200 German team used Zlin SOL France three CAP 20s CAP 21 ASA 200 CAP 20 fuselage tapered wing place usual semi-elliptical planform aerobatic types ideal Scale projects some already available kit form CAP 20 featured construction article March 1980 issue Model Aviation United States swept first three places both mens womens divisions reader trend toward 1/5-scale practical alternative Giant Scale seems gaining foothold thought letter Louie Scribner contained material general interest Nats chance visit Springfield MAC field Donnelsville OH watched several fellows flying new Old-Timers seven-foot-span range powered 05 60 4-cycle engines impressed quiet engines low rpms floating ability planes occurred build Sport Scale might build Piper 1-3 along same lines would fly slowly smoothly calm air using same 05 60 engine might add Im interested belt drives chain-saw engines Giant Scale Ive already built Sig J-3 turned out rather nicely Im considering scaling Sig plans up 117 times 1/6-scale handle 05 60 engine seems have about power good 40 14-6 7500 rpm Obviously -scale too much 1/5-scale might right would produce following numbers Span 845-in chord 12-in wing thickness 1-5/16-in overall length 52-in area Continued page 112 110 Model Aviation 0 SAFE FLYING IS NO ACCIDENT
Edition: Model Aviation - 1981/02
Page Numbers: 30, 31, 110
V SOARING Dan Pruss IF YOU THOUGHT Two-Meter designs drab unimaginative winners ugly duckling look-alike contest missed few pleasant surprises appeared year s AMA Nationals True Tom Killough Alabama won 2M event simple straightforward designa Drifter Craftaire just goes prove three Pspilot plane prac ticestill win contests Nats saw three-piece wings winglets pylon-mounted wings T-tails V-tails mention some tall tales bird solar cells mounted wings Less half planes spoilers did some clever linkage installations Anybody can line up battery receiver bank servos Behemoth 14 installa tion looks like showcase display look John Gunsaullus 2M creation Some say fuselage thin has side What see fuselage photo pod pod-and-boom configuration radio installa tion looked like printed place Jim White Californiathe parachute man flew 2M version Sagitta third servo spoilers located fuselage line wing just behind main support rod installation scheme similar standard Sagitta could adapted other existing designs couple years ago 2M class just catching Since LSF Tournaments AMA Nationals Two-Meter Cup open international competition see November 80 MAhave proven Two-Meter stay Yet local level few clubs have promoted class cost radios material increasing trend smaller cars Two-Meter birds just could become popular class block club sponsoring contest budget wont allow trophies extra event combine couple others Example combine Standard Unlimited give separate awards Two-Meter class Besides promoting event youll also save towline wear over months column has begun sound like PR vehicle Pat Flinn Jack Hinerso Since cross-country achieve ments last summer both gents entered select group fliers now nubmers 16 Right after Flinns Great Race V win November MA flew eight-hour slope requirement next day logged third required win become 15th LSF Level V out over 4000 members think have go Torrey Pines other spots along West Coast shoreline get eight hours Midwesterners can head wagons Lake Michigan instead Pat got spot called Sleeping Bear Dune Its up near Traverse City area right eastern shore Lake Michigan Its great vacation spot dunes Pat perched eight hours 450 feet high Nice Across lake just south Milwaukee Cudahy bluffs dont have tourist attractions Michigan side does slopes have kind least few fliers Last summer Greg Seydel Milwaukee 30 Model Aviation New Yorks John Grigg believes using aU Two-Meter wing Short pylon wing mount assures wing completely undisturbed airstream Italys Paglianoan F36 designerhas tested similar designs wind tunnel Model also features pod-and-boom T-tail Everybody wants get act Al Doig has exercised design talents see can makeaTwo-Meterbreakdown intosmallenough components fit glove compartment jim wnite witn nis Two-Meter Sagittaone few using spoilerson 1-muriod l uunsauiius wisn ulira-sKinny Two-Metership Thewings Two-Meter ship Hatch between thumbs lifts up access spoiler modified Hobie Hawk fuselage pod-and-boom Uses rudder/elevator servo ballast compartment member Suds City Flyers ho-hummed way through eight hours required towards Level V However contrast Seydells first-try achievement Hiner after eight-hour goal since 1975 Back John Baxter Steve Work became first second achieve Level V eight hours Jack needed last October 12 Jack went third spot along Lake MichiganWarren Dunes along southern edge lake near Indiana/Michigan border Jack flew Aquila C-size cells strapped top fuselage Accompanying Hiner Stan Watson flew Pegasus see August 8OMA Like Seydell Watsons first attempt Over years have decried eight-hour slope task also think Boston Marathon should about 20 miles shorter eight-hour slope test pilot plane Talk Hiner Back 75 could have first make Level V 12 amp-hour cell went sour March 5 hours went naught July rudder servo died 6 hrs 53 mm 1976 1977 Jack wasnt right place right timeand neither windas flight ended 6 hours Jack logs fun flys 1978 radio interference aborted two flights four-hour mark again 1979 wind died 6 hours Jacks log book shows flew 45 hours during 11 attempts make eight-hour requirement Level V dear reader case explain 16 Out 4000 us Congrats Flinn Hiner Clubs Three new club letters have come way metropolitan areas should grow Soaring interest clubs Bluegrass Soaring Society Box 286 Georgetown KY 40324 Atlanta Soaring Association Dick Renskers President 517 Fon du Lac Drive Stone Mountain GA 30088 Steel City Soarers 711 N 3rd Street Jeannette PA 16544 Speaking clubs SOAR announced has upped prize money $1000 first Continued page 110 ChuckAnderson came Tullahoma TN tofly winglet-equipped bird Nats same modified Spica featured Chucks winglet article May 1980 MAthe winglet/tips removable otherwise fixed position Howeverif rigged hinge down ward flight thereby effectively turning Two-Meter Standard might see another CD trading flight suit straight jacket T IS YOUR MONSTER MODEL T THE FOLLOWING FEATURES ARE STANDARD ON ALL SILVER SEVENS Servo Reversal SwitchesTrim/Aux Location VariablesAll US 27 53 72 Preq Available Independent Throw AdjastTrim Authority Programmability Open Gimbal Sticks ChannelsDual Rates Three ChannelsnEattery ESV lndependsnt Center AdjsstPIugin RF Deck OptionFulI Adjustability Range f Throttle Aus As II650 MW DutpsitSrands Flit Packs Retrect Channel Fall Adjust9BV NiCdsnEasy Buildability * STANDARD GIMBAL TWO STICK TRANSMITTER KIT 11G207 $15995 Complete Systems start 128496 * STANDARD GIMBAL SINGLE STICK TRANSMITTER KIT 110237 $17496 Complete Systems start 129995 * DELUXE METAL GIMBAL TWO STICK TRANSMITTER KIT 11G227 $23995 Complete Systems start $36495 * DELUXE METAL GIMBAL SINGLE STICK TRANSMITTER KIT 11G217 $20996 Complete Systams start $33496 THE FOLLOWING OPTIONS ARE AVAILABLE FOR THE SILVER SEVEN nMIXER.mixes two channels together either bi-directionally arunidirectionally 110506 $1196 Note Currently Exponential Mixer cant beaned seine time PRcoRAMMABLE PUSH BUTTONS-move control surface inf light programmable location posit abutton two funstiom 110510One Function $896 11GB11Two Function $1196 nEXPONENTIAL RATE three channels gives aoft neutral far smoother flying Ii iGgOC $1796 OVERBUDGET UNDERFINANCED Save some bucks SILVER SEVEN Super Transmitters new ATLAS Heavy Duty Servo ATLAS SERVO Sjze937 X 109 X 175 Weight 182 oz Thrust 8 lbs 14G20A Atlas Kit $2895 14G2OAC Atlas Amy $3645 81K22 Atlas Ball Bearing $3 81 K21 Atlas 0 Rings $1 NOTE servos come less connectors info send $2 80/81 Catalog Box 511 E HIGGINSVILLE MO64037 816 584-7121 February 1981 31 tail feathers John Browns Icarus uses Du-Bro mixer mounted servos elevator horns Du-Bro ball joints SCALE WHE RADIO CONTROL ROL-UNE 0 _ 0 0 VINTAGESMOOTHGOLDEN AGENEW sizes2YzCONTOURsizes21/iBALLOON 343/"23/43431/a 1334134132/z41/2 11443/i11/4311/443/i34514 11/251/24/z1hz53 1ls6/21451/41s61/2 ELS FREE-FLIGHT SCALE PILOTS CYUNDERS ENGINE KITS MACHINE GUN KITS PLASTIC DISPLAY MODELS EROS INTh SEND $1 FOR COMPLETE ILLUSTRATED CATALOG ___________________ DEPT MA PAWNEE ST SAN MARCOS CA 9 INTRODUCING Tile American RJL K6I R/C ENGINE RJL Industries now produces renowned engine formerly manufactured Kraft Systems Inc schnuerle ported 61 cubic inch engine provides easy starting high performance longevity Produced finest materials workmanship quality assurance youll proud have aircraft powered K61 FEATURES INCLUDE Schnuerle Ports Boost Port Double Ball Bearings Forged Alloy Piston & Con Rod Bushed Connecting Rod 0- ring Sealed Back Cover 16 HP 15500 RPM SUGGESTED RETAIL $13995 Muffler Included Send Free Catalog Today R J L INDUSTRIES P0 Box 5654 Pasadena CA 91107 1831 Business Center Dr Duarte CA 91010 allows oil soaking begins invite warps Incidentally have just learned R 1 Mikkelson producing nitrate dope red yellow blue orange black white distil bution Old Timer Models PO Box 913 Westminster CA 92683 last word Dont stink up house just before company comes may understand reference dope Clarence Haught Rt 5 Box 16 CouerdAlene ID 83814 i 213/359-0016 RC Helicopters/Chesney Continued page 33 sponses As someone told few years back might get trouble faster can get out trouble faster too course Heli copter will respond differently pilots capabilities will vary best rule may well fly way comes out box Thought might enjoy knowing few times snows down South photos shows mere snow cant stop dedi cated chopper pilot like W R Hartness Sanford NC Also special tip winter fliers Lloyd Wheelerwatch out rotor blade icingSee next month Dave Chesney 9 Box 621A Greensboro NC 27409 RC Soaring/Pruss Continued page 31 place fastest time around 76-kilometer 472-mi Great Race course race Pat Flinn Greater Detroit Soaring Hiking Society won last year flight 304 miles November MA challenge open AMA chartered clubs further formation may obtained sending stamped self-addressed business envelope address below Good Lift Dan Pruss RR 2 Box 49D Plainfield IL 60544 RC Scale/Wischers Continued page 35 Early morning wind light Brian Allen flew Gossamer Albatross misfortune Wittman Airport day pleasure introduction also met Brians parents source modesty equanimity became apparent Scale race-plane buffs fullsize reproductions Gee Bee Z Travelair Mystery Ship Laird Super Solution along Jimmy Doolittle flew original Laird Bendix Thompson Trophy races Two weeks after convention again Wittman field attended three days World Aerobatic Championships Forty-two men nine women 10 countries included competition about 20 planes use several pilots taking turns flying some planes Pitts 5-1 S-2s common US designs along Christen Eagle Leo Loudenslagers winning Laser 200 German team used Zlin SOL France three CAP 20s CAP 21 ASA 200 CAP 20 fuselage tapered wing place usual semi-elliptical planform aerobatic types ideal Scale projects some already available kit form CAP 20 featured construction article March 1980 issue Model Aviation United States swept first three places both mens womens divisions reader trend toward 1/5-scale practical alternative Giant Scale seems gaining foothold thought letter Louie Scribner contained material general interest Nats chance visit Springfield MAC field Donnelsville OH watched several fellows flying new Old-Timers seven-foot-span range powered 05 60 4-cycle engines impressed quiet engines low rpms floating ability planes occurred build Sport Scale might build Piper 1-3 along same lines would fly slowly smoothly calm air using same 05 60 engine might add Im interested belt drives chain-saw engines Giant Scale Ive already built Sig J-3 turned out rather nicely Im considering scaling Sig plans up 117 times 1/6-scale handle 05 60 engine seems have about power good 40 14-6 7500 rpm Obviously -scale too much 1/5-scale might right would produce following numbers Span 845-in chord 12-in wing thickness 1-5/16-in overall length 52-in area Continued page 112 110 Model Aviation 0 SAFE FLYING IS NO ACCIDENT