NO OCR TEXT Text drawings Paul Plecan NOWADAYS average RC enthusiast accepts reliability light weight model maneuverability question Forty years ago different story will attempt briefly cover major advances state art leaning towards model aircraft rather electronics complex gadgetry very early pioneers like Ross Hull Clinton DeSoto developed basic electronic circuitry lightweight energy-efficient actu ators both magnetic rubber powered readers will relate readily what happened various Nationals designs presented rought chronological order some flown years prior publication bear mind Without much fanfare radio control event included 1937 Nationals Detroit Six models entered half got airborne three two promptly crashed after takeoff Chet Lanzo flew model well enough stand out among others thus took home two trophies brand new engine tuning RC gear quite critical Chet able make numerous success ful flights time 5 6 pounds usual weight airborne system Chet pared down 28 ounces model simple crutch-type futelage span 9 feet powered Baby Cyclone engine 1938 Nats Walt Good flew Big Guff 8-foot design loosely based old freeflight KG concept biggy also borrowed Walts FF Guff design proven contest winner Note generous dihedral helped restore stable flight control lost huge 6-in M&M airwheels cushioned landing impact Big Guff won rudder model escapement elevator two receivers capable pitch control 1939 Walt aided brother Bill licensed radio amateur doesnt hear term ham much moreseems like showbiz stole term Working team stayed ahead competition winning RC event 1940 1947 Big Guff appeared Air Trails Oct/Nov/Dec. 1940 issues Radart design Fran McElwee early designed RC models featured April 49 issue ofAir Trails compact 5footer Drone diesel swinging 10/6 prop little aileron left wing helped trim straight-ahead flight neutral Typical some models Radart helped trend toward com pactRCjobsyetwasnotmade inlarge numbers later trike gear version much popular seems later version dubbed Macs Robot Hoosier Hot Shot designed wellJuly 1980 23 Over4O years progress aircraft design presented remarkable job research faithful drawings Weve picked significant aircraft along way think otherswell 24 Model Aviation Milestones RC known modeler Ken Ernst Indianapolis Gene Foxworthy did flying authored construction article Air Trails May 50 Dennymite 14/8 prop used Note ample dihedral large wing slots twin rudders prior years free-flight models prone corkscrew ground fatal results once banked sharply under power began ever-steepening vicious circle Hot Shot however could circle tightly altitude loss slotted wings probably helped achieve Foxworthy told Bill Winter tested Hot Shot slot action day covered wing slots tape under power refused climb sped across Indianapolis Air port chest height pranged fence far end airport Having witnessed early flights Bill mentioned Gene noted high far out flights 40 wattsthe model mere speck against clouds long accurate approaches along runway slicing back forth over grass border no lift hot concrete lift control model would touch down Bills wordsI have seen him windy weather no else would fly low motor two-speed ignition holding ship nose high front himabout 25 50 feet away letting swerve drift 90 degrees right coming back hang up front him again going left etc. long wished play would spiral could turn tight Lots dihedral figured Walt Goods Rudder Bug perhaps milestone model came time interest RC growing leaps bounds hobbyists deeply involved reading sche matics perfecting soldering techniques 6-feet span powered DeLong 29 later Forster 29 model sturdy performed well interesting note airborne RC gear weighed pound yet provided rudder control neutral right left Appeared May June 49 issues Model Airplane News 5-foot version kitted Berkeley thousands sold Don Clark DCRC club scaled down Using original Bug Walt took first 49 Nats several subsequent Nats Rudder Bugs outnumbered other designs large margin Other times entries virtually Rudder Bugs First advertised early 1952 Hal DeBolts Live Wire Trainer featured removable box containing airborne gear 35 x 4 x 8 inch box caused design have decidedly fat chunky look Esthetically too pleas ing real world honing ones piloting skills superb 09 engine small prop permitted short flat sheet dural LG strut used usual equipment malfunction ensuing spiral dive model met terra firma abrupt angle No hassle just straightened out LG strut kept flying engine sitting up top wasnt too often dirt would get flying school stayed open similar prang sophisticated ship meant trip back shop repairs flying RC job has always name game 40000 Trainer kits sold decade kit available Another early fifties kit Beam Lou Andrews quite literally companion piece DeBolts Trainer size price bulk About real difference trike landing gear Given same requirements two able designers will often come up mirrorimage solutions Inverted 09 engines often used Beams fairing neatly deep cowl kitted Guillow Corp Trainer Beam first designed RC kits welcome change sport FF kits used previously generally didnt withstand rigors RC flying Bill Wischer designed Zue went win rudder-only events 1960 1961 1962 Nats talented son model-building family Bill wanted ultimate rudder-only flyingwinning Nats three years row proved Bill used pulse rudder elementary form proportional control using large rudder obtain some violent results altitude could spin down build speed neutralize rudder continuous looping loss altitude pulse-proportional rudder permitted perfect tracking quick turn would reduce speed quick change intermediate engine speed held speed normal barrel roll held full rudder high throttle could roll continuously until model virtually out sight introduction full-house propo gear moderate prices Bills great skills became redundant Such price progress Bob Dolly Wischer Bills parents also flew own versions Zue success gifted son enjoyed Wischers developed super-powered servos using Bonner motors large nickel-cadmium batteries Re ceivers pulse omission detectors big ground-based transmitters home-made drag brake nose wheel snubber low throttle would stop model added taxi ability points July 1980 25 Bill designed Zue 16 now 35 employed Win Waithers whole sale firm head purchasing Since Walthers countrys prime model railroad jobber Bill has maintained parallel interest model rail roading told interesting sidelight Bob distinctly remember watching Carl Goldberg closely examining later streamlined Zues Nats origin Falcon 56 have often wondered Hmm Let us pause now reflect what has described above have shown what happened rudder-only flying Designwise Zue apex rudder-only refinement coincided bit later decline interest simpler models corresponding increase what building steadilymulti jobs Reed equip ment refined decade before Zue cover interest full house systems well need drop back decade time As interest multi-channel models grew Alex Schneider man beat developed Piper Cub semiscale job could inside outside loops some success inverted flight Cub originated Capital kit 7- 6 span powered Anderson Spitfire two-speed ignition engine Although glow popular time Alex preferred lighter model possible fuelefficient spark ignition Early versions weighed 7 pounds later about 9 pounds 125 inch chord NACA 6412 airfoil weight no problem Regarding piloting skill anecdote Bob Beckman flew Alex quite often Two days before 52 Nats went Alex test fly rebuilt Cub ls wing hold-down bands failed No problems now flew great Alex discussed vertical dive should done judges would know covered required 100 feet standing next Alex brought Cub directly overhead pushed over vertical dive Ive never seen airplane get big fast After abrupt pull out about 20 feet over heads Alex asked thought dive required 100 feet told him did way judges wouldnt matter long would sure know vertical Alex won Nats 52 54 55 Editors Note reed equipment Rockwood developed before war Hal DeBolt again Over Under design featured July 54 Air Trails Like counterpart Frisco Hal expanding aerobatics envelope inside outside loops level flight real vertical dives inverted flights half mile horizontal vertical eights rolls top off real tail spins done full-sized aircraft Hal led way use fat 15% symmetrical airfoils using true airfoils stabilizer too old routine washout wings now gave way flat wing panel spoiler boards inboard leading edges see plan view model reduced effects tip stall both inverted upright maneuvering high angles attack Dependable multi-channel RC gear now available hobbyists becoming sharper pilots due use bigger engines faster models Due better penetration windy weather became less factor flying within limits course Editors Note Reed system developed Schmidt Erie PA tired Rockwood reeds welding shut Smog Hog R E Bowen won multi-class RC 56 Nats Thoroughly de-bugged Howard Bonner flight tests Smog Hog appeared Model Airplane News Feb 57 issue ease building low maintenance tight maneuvers altitude loss peer Thousands built won share trophies Dependable engines such new throttle-equipped Veco 35 K&B 35 helped lot Some mighty handy injection-molded parts started appearing such tail-wheel bracket Smog Hog Clairol plastic bottles easily converted clunk tanks positive fuel flow maneuvering Astro Hog Fred Dunn resulted inability attend 57 Nats flying buddies Nats worked hard have real surprise upon return Aug 17th year prestigious LARKS Flying Circus meet Howard Bonner made maiden flight Dunn during lull contest Later upwards six local hot rock pilots took turns wringing out Freds maneuver able low-winger Bob Dunham Dean Kenny Ray Downs others flew endorsed two weeks Dunham Astro airborne followed Bonner countless others Plans appeared April 58 issue MAN As sixties era dawned Ed Kazmirskis Orion burst upon scene article introduced Orion June 60 MAN editor magazine Bill Winter made prophecy Orion capable hands would achieve new standards high performance Editors Note bought because might win world wide KazwentontowintheWorldChampiOri ships Zurich new K&B 45 better26 Model Aviation Milestones RC NO OCR TEXT 28 Model Aviation Milestones RC than-ever throttling dependability helped make Orion big hit Hal DeBolts Viscount introduced kit 1962 designed 1960 What made unusual new idea ultra-simple ailerons caught quickly Hal working flexible cable within curved metal tube improve upon bellcrank systems use aileron actuation friend Hals working engineer Bell Aircraft named Schroeder making full-scale Good year racer Strip ailerons used successfully Hal reasoned worth trying given up spoilers solution directional control tried strip ailerons great successthe rest history lighter weight greater torsional rigidity made strip ailerons less susceptible flutter bigger bugaboo hobbyists aware Viscount earliest designs featur ing proven practical retracts Hs particular system did catch commerci did point way other manufacture Conceived 1963 developed over fouryear period Kwik Fli Mark III won 67 Nats Phil Kraft Developed conjunction Kraft proportional gear Kwik Fli series featured basic simplicity obtain maximum flying minimum construction effort Phils burgeoning business allowed him sufficient time practice flying point became top contender both nationally world championship level Kwik Fli III plans published MAN Feb 68 kitted several firms Don Lowes Phoenix V another well-tested constantly improved design Don has very aptly named well-behaved bird has July 1980 29 Smiling Dave Brown Phoenix picture taken just prior Tenth RC World Cham pionships 1977 Dave now flies own Tiporare configuration rather like Curare Milestones RC wrung Out time time again literally rising its own ashes constantly improved versions Mark V version published inAinerican Air ModelerJuly 71 listed changes tried til Unlike other advanced-sounding marks others Dons design really has through mill both design competitionwise Mark VIII has recently announced know Don still trying harder ever better Representing ultimate current state th t f,rnr Hv H,5 Hanno Prettner has walked off considerable number prizes worldwide hype hoopla city Las Vegas has garnered its share cash prizes too has admit looks right way modicum wing sweep efficient landing/drag flaps manner working paraphernalia seven servos needed addition usual rudder elevator aileron throttle retract braking functions Curare has throttle mixture servo flap servo project raw beginner MAN published Dec 76 Curare poison used South American Indians arrows model cleverly namedwhen flown able pilot Curare poison indeed far compe tition concerned potent Webra 61 Speed RC engine supplies power efficient machine tuned pipe muffler lowers decibel rating 78reason able considering shrieking rpms now attained Schnuerle-ported engines closing author would like hear comments regarding article lot time spent research correspondence factual possible feels particular design has slighted let know Paul Plecan 3023 Saratoga St Riverside CA 92503 MA *tL *t1 Over 40 years progress world-beating designs Top Good Brothers Big Guff picture taken during pest WRAMS Show now hangs National Air & Space Museum As shown rudder elevator controls operated separate 4erm escapements driven two different receivers Below Probably skilled RC pilot world Hanno Prettner famous Curare incorporates own develonad features orovide excellent control over flying speed throulihout maneuvers oracticallv owns Las Vegas comoetition NO OCR TEXT
Edition: Model Aviation - 1980/07
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
NO OCR TEXT Text drawings Paul Plecan NOWADAYS average RC enthusiast accepts reliability light weight model maneuverability question Forty years ago different story will attempt briefly cover major advances state art leaning towards model aircraft rather electronics complex gadgetry very early pioneers like Ross Hull Clinton DeSoto developed basic electronic circuitry lightweight energy-efficient actu ators both magnetic rubber powered readers will relate readily what happened various Nationals designs presented rought chronological order some flown years prior publication bear mind Without much fanfare radio control event included 1937 Nationals Detroit Six models entered half got airborne three two promptly crashed after takeoff Chet Lanzo flew model well enough stand out among others thus took home two trophies brand new engine tuning RC gear quite critical Chet able make numerous success ful flights time 5 6 pounds usual weight airborne system Chet pared down 28 ounces model simple crutch-type futelage span 9 feet powered Baby Cyclone engine 1938 Nats Walt Good flew Big Guff 8-foot design loosely based old freeflight KG concept biggy also borrowed Walts FF Guff design proven contest winner Note generous dihedral helped restore stable flight control lost huge 6-in M&M airwheels cushioned landing impact Big Guff won rudder model escapement elevator two receivers capable pitch control 1939 Walt aided brother Bill licensed radio amateur doesnt hear term ham much moreseems like showbiz stole term Working team stayed ahead competition winning RC event 1940 1947 Big Guff appeared Air Trails Oct/Nov/Dec. 1940 issues Radart design Fran McElwee early designed RC models featured April 49 issue ofAir Trails compact 5footer Drone diesel swinging 10/6 prop little aileron left wing helped trim straight-ahead flight neutral Typical some models Radart helped trend toward com pactRCjobsyetwasnotmade inlarge numbers later trike gear version much popular seems later version dubbed Macs Robot Hoosier Hot Shot designed wellJuly 1980 23 Over4O years progress aircraft design presented remarkable job research faithful drawings Weve picked significant aircraft along way think otherswell 24 Model Aviation Milestones RC known modeler Ken Ernst Indianapolis Gene Foxworthy did flying authored construction article Air Trails May 50 Dennymite 14/8 prop used Note ample dihedral large wing slots twin rudders prior years free-flight models prone corkscrew ground fatal results once banked sharply under power began ever-steepening vicious circle Hot Shot however could circle tightly altitude loss slotted wings probably helped achieve Foxworthy told Bill Winter tested Hot Shot slot action day covered wing slots tape under power refused climb sped across Indianapolis Air port chest height pranged fence far end airport Having witnessed early flights Bill mentioned Gene noted high far out flights 40 wattsthe model mere speck against clouds long accurate approaches along runway slicing back forth over grass border no lift hot concrete lift control model would touch down Bills wordsI have seen him windy weather no else would fly low motor two-speed ignition holding ship nose high front himabout 25 50 feet away letting swerve drift 90 degrees right coming back hang up front him again going left etc. long wished play would spiral could turn tight Lots dihedral figured Walt Goods Rudder Bug perhaps milestone model came time interest RC growing leaps bounds hobbyists deeply involved reading sche matics perfecting soldering techniques 6-feet span powered DeLong 29 later Forster 29 model sturdy performed well interesting note airborne RC gear weighed pound yet provided rudder control neutral right left Appeared May June 49 issues Model Airplane News 5-foot version kitted Berkeley thousands sold Don Clark DCRC club scaled down Using original Bug Walt took first 49 Nats several subsequent Nats Rudder Bugs outnumbered other designs large margin Other times entries virtually Rudder Bugs First advertised early 1952 Hal DeBolts Live Wire Trainer featured removable box containing airborne gear 35 x 4 x 8 inch box caused design have decidedly fat chunky look Esthetically too pleas ing real world honing ones piloting skills superb 09 engine small prop permitted short flat sheet dural LG strut used usual equipment malfunction ensuing spiral dive model met terra firma abrupt angle No hassle just straightened out LG strut kept flying engine sitting up top wasnt too often dirt would get flying school stayed open similar prang sophisticated ship meant trip back shop repairs flying RC job has always name game 40000 Trainer kits sold decade kit available Another early fifties kit Beam Lou Andrews quite literally companion piece DeBolts Trainer size price bulk About real difference trike landing gear Given same requirements two able designers will often come up mirrorimage solutions Inverted 09 engines often used Beams fairing neatly deep cowl kitted Guillow Corp Trainer Beam first designed RC kits welcome change sport FF kits used previously generally didnt withstand rigors RC flying Bill Wischer designed Zue went win rudder-only events 1960 1961 1962 Nats talented son model-building family Bill wanted ultimate rudder-only flyingwinning Nats three years row proved Bill used pulse rudder elementary form proportional control using large rudder obtain some violent results altitude could spin down build speed neutralize rudder continuous looping loss altitude pulse-proportional rudder permitted perfect tracking quick turn would reduce speed quick change intermediate engine speed held speed normal barrel roll held full rudder high throttle could roll continuously until model virtually out sight introduction full-house propo gear moderate prices Bills great skills became redundant Such price progress Bob Dolly Wischer Bills parents also flew own versions Zue success gifted son enjoyed Wischers developed super-powered servos using Bonner motors large nickel-cadmium batteries Re ceivers pulse omission detectors big ground-based transmitters home-made drag brake nose wheel snubber low throttle would stop model added taxi ability points July 1980 25 Bill designed Zue 16 now 35 employed Win Waithers whole sale firm head purchasing Since Walthers countrys prime model railroad jobber Bill has maintained parallel interest model rail roading told interesting sidelight Bob distinctly remember watching Carl Goldberg closely examining later streamlined Zues Nats origin Falcon 56 have often wondered Hmm Let us pause now reflect what has described above have shown what happened rudder-only flying Designwise Zue apex rudder-only refinement coincided bit later decline interest simpler models corresponding increase what building steadilymulti jobs Reed equip ment refined decade before Zue cover interest full house systems well need drop back decade time As interest multi-channel models grew Alex Schneider man beat developed Piper Cub semiscale job could inside outside loops some success inverted flight Cub originated Capital kit 7- 6 span powered Anderson Spitfire two-speed ignition engine Although glow popular time Alex preferred lighter model possible fuelefficient spark ignition Early versions weighed 7 pounds later about 9 pounds 125 inch chord NACA 6412 airfoil weight no problem Regarding piloting skill anecdote Bob Beckman flew Alex quite often Two days before 52 Nats went Alex test fly rebuilt Cub ls wing hold-down bands failed No problems now flew great Alex discussed vertical dive should done judges would know covered required 100 feet standing next Alex brought Cub directly overhead pushed over vertical dive Ive never seen airplane get big fast After abrupt pull out about 20 feet over heads Alex asked thought dive required 100 feet told him did way judges wouldnt matter long would sure know vertical Alex won Nats 52 54 55 Editors Note reed equipment Rockwood developed before war Hal DeBolt again Over Under design featured July 54 Air Trails Like counterpart Frisco Hal expanding aerobatics envelope inside outside loops level flight real vertical dives inverted flights half mile horizontal vertical eights rolls top off real tail spins done full-sized aircraft Hal led way use fat 15% symmetrical airfoils using true airfoils stabilizer too old routine washout wings now gave way flat wing panel spoiler boards inboard leading edges see plan view model reduced effects tip stall both inverted upright maneuvering high angles attack Dependable multi-channel RC gear now available hobbyists becoming sharper pilots due use bigger engines faster models Due better penetration windy weather became less factor flying within limits course Editors Note Reed system developed Schmidt Erie PA tired Rockwood reeds welding shut Smog Hog R E Bowen won multi-class RC 56 Nats Thoroughly de-bugged Howard Bonner flight tests Smog Hog appeared Model Airplane News Feb 57 issue ease building low maintenance tight maneuvers altitude loss peer Thousands built won share trophies Dependable engines such new throttle-equipped Veco 35 K&B 35 helped lot Some mighty handy injection-molded parts started appearing such tail-wheel bracket Smog Hog Clairol plastic bottles easily converted clunk tanks positive fuel flow maneuvering Astro Hog Fred Dunn resulted inability attend 57 Nats flying buddies Nats worked hard have real surprise upon return Aug 17th year prestigious LARKS Flying Circus meet Howard Bonner made maiden flight Dunn during lull contest Later upwards six local hot rock pilots took turns wringing out Freds maneuver able low-winger Bob Dunham Dean Kenny Ray Downs others flew endorsed two weeks Dunham Astro airborne followed Bonner countless others Plans appeared April 58 issue MAN As sixties era dawned Ed Kazmirskis Orion burst upon scene article introduced Orion June 60 MAN editor magazine Bill Winter made prophecy Orion capable hands would achieve new standards high performance Editors Note bought because might win world wide KazwentontowintheWorldChampiOri ships Zurich new K&B 45 better26 Model Aviation Milestones RC NO OCR TEXT 28 Model Aviation Milestones RC than-ever throttling dependability helped make Orion big hit Hal DeBolts Viscount introduced kit 1962 designed 1960 What made unusual new idea ultra-simple ailerons caught quickly Hal working flexible cable within curved metal tube improve upon bellcrank systems use aileron actuation friend Hals working engineer Bell Aircraft named Schroeder making full-scale Good year racer Strip ailerons used successfully Hal reasoned worth trying given up spoilers solution directional control tried strip ailerons great successthe rest history lighter weight greater torsional rigidity made strip ailerons less susceptible flutter bigger bugaboo hobbyists aware Viscount earliest designs featur ing proven practical retracts Hs particular system did catch commerci did point way other manufacture Conceived 1963 developed over fouryear period Kwik Fli Mark III won 67 Nats Phil Kraft Developed conjunction Kraft proportional gear Kwik Fli series featured basic simplicity obtain maximum flying minimum construction effort Phils burgeoning business allowed him sufficient time practice flying point became top contender both nationally world championship level Kwik Fli III plans published MAN Feb 68 kitted several firms Don Lowes Phoenix V another well-tested constantly improved design Don has very aptly named well-behaved bird has July 1980 29 Smiling Dave Brown Phoenix picture taken just prior Tenth RC World Cham pionships 1977 Dave now flies own Tiporare configuration rather like Curare Milestones RC wrung Out time time again literally rising its own ashes constantly improved versions Mark V version published inAinerican Air ModelerJuly 71 listed changes tried til Unlike other advanced-sounding marks others Dons design really has through mill both design competitionwise Mark VIII has recently announced know Don still trying harder ever better Representing ultimate current state th t f,rnr Hv H,5 Hanno Prettner has walked off considerable number prizes worldwide hype hoopla city Las Vegas has garnered its share cash prizes too has admit looks right way modicum wing sweep efficient landing/drag flaps manner working paraphernalia seven servos needed addition usual rudder elevator aileron throttle retract braking functions Curare has throttle mixture servo flap servo project raw beginner MAN published Dec 76 Curare poison used South American Indians arrows model cleverly namedwhen flown able pilot Curare poison indeed far compe tition concerned potent Webra 61 Speed RC engine supplies power efficient machine tuned pipe muffler lowers decibel rating 78reason able considering shrieking rpms now attained Schnuerle-ported engines closing author would like hear comments regarding article lot time spent research correspondence factual possible feels particular design has slighted let know Paul Plecan 3023 Saratoga St Riverside CA 92503 MA *tL *t1 Over 40 years progress world-beating designs Top Good Brothers Big Guff picture taken during pest WRAMS Show now hangs National Air & Space Museum As shown rudder elevator controls operated separate 4erm escapements driven two different receivers Below Probably skilled RC pilot world Hanno Prettner famous Curare incorporates own develonad features orovide excellent control over flying speed throulihout maneuvers oracticallv owns Las Vegas comoetition NO OCR TEXT
Edition: Model Aviation - 1980/07
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
NO OCR TEXT Text drawings Paul Plecan NOWADAYS average RC enthusiast accepts reliability light weight model maneuverability question Forty years ago different story will attempt briefly cover major advances state art leaning towards model aircraft rather electronics complex gadgetry very early pioneers like Ross Hull Clinton DeSoto developed basic electronic circuitry lightweight energy-efficient actu ators both magnetic rubber powered readers will relate readily what happened various Nationals designs presented rought chronological order some flown years prior publication bear mind Without much fanfare radio control event included 1937 Nationals Detroit Six models entered half got airborne three two promptly crashed after takeoff Chet Lanzo flew model well enough stand out among others thus took home two trophies brand new engine tuning RC gear quite critical Chet able make numerous success ful flights time 5 6 pounds usual weight airborne system Chet pared down 28 ounces model simple crutch-type futelage span 9 feet powered Baby Cyclone engine 1938 Nats Walt Good flew Big Guff 8-foot design loosely based old freeflight KG concept biggy also borrowed Walts FF Guff design proven contest winner Note generous dihedral helped restore stable flight control lost huge 6-in M&M airwheels cushioned landing impact Big Guff won rudder model escapement elevator two receivers capable pitch control 1939 Walt aided brother Bill licensed radio amateur doesnt hear term ham much moreseems like showbiz stole term Working team stayed ahead competition winning RC event 1940 1947 Big Guff appeared Air Trails Oct/Nov/Dec. 1940 issues Radart design Fran McElwee early designed RC models featured April 49 issue ofAir Trails compact 5footer Drone diesel swinging 10/6 prop little aileron left wing helped trim straight-ahead flight neutral Typical some models Radart helped trend toward com pactRCjobsyetwasnotmade inlarge numbers later trike gear version much popular seems later version dubbed Macs Robot Hoosier Hot Shot designed wellJuly 1980 23 Over4O years progress aircraft design presented remarkable job research faithful drawings Weve picked significant aircraft along way think otherswell 24 Model Aviation Milestones RC known modeler Ken Ernst Indianapolis Gene Foxworthy did flying authored construction article Air Trails May 50 Dennymite 14/8 prop used Note ample dihedral large wing slots twin rudders prior years free-flight models prone corkscrew ground fatal results once banked sharply under power began ever-steepening vicious circle Hot Shot however could circle tightly altitude loss slotted wings probably helped achieve Foxworthy told Bill Winter tested Hot Shot slot action day covered wing slots tape under power refused climb sped across Indianapolis Air port chest height pranged fence far end airport Having witnessed early flights Bill mentioned Gene noted high far out flights 40 wattsthe model mere speck against clouds long accurate approaches along runway slicing back forth over grass border no lift hot concrete lift control model would touch down Bills wordsI have seen him windy weather no else would fly low motor two-speed ignition holding ship nose high front himabout 25 50 feet away letting swerve drift 90 degrees right coming back hang up front him again going left etc. long wished play would spiral could turn tight Lots dihedral figured Walt Goods Rudder Bug perhaps milestone model came time interest RC growing leaps bounds hobbyists deeply involved reading sche matics perfecting soldering techniques 6-feet span powered DeLong 29 later Forster 29 model sturdy performed well interesting note airborne RC gear weighed pound yet provided rudder control neutral right left Appeared May June 49 issues Model Airplane News 5-foot version kitted Berkeley thousands sold Don Clark DCRC club scaled down Using original Bug Walt took first 49 Nats several subsequent Nats Rudder Bugs outnumbered other designs large margin Other times entries virtually Rudder Bugs First advertised early 1952 Hal DeBolts Live Wire Trainer featured removable box containing airborne gear 35 x 4 x 8 inch box caused design have decidedly fat chunky look Esthetically too pleas ing real world honing ones piloting skills superb 09 engine small prop permitted short flat sheet dural LG strut used usual equipment malfunction ensuing spiral dive model met terra firma abrupt angle No hassle just straightened out LG strut kept flying engine sitting up top wasnt too often dirt would get flying school stayed open similar prang sophisticated ship meant trip back shop repairs flying RC job has always name game 40000 Trainer kits sold decade kit available Another early fifties kit Beam Lou Andrews quite literally companion piece DeBolts Trainer size price bulk About real difference trike landing gear Given same requirements two able designers will often come up mirrorimage solutions Inverted 09 engines often used Beams fairing neatly deep cowl kitted Guillow Corp Trainer Beam first designed RC kits welcome change sport FF kits used previously generally didnt withstand rigors RC flying Bill Wischer designed Zue went win rudder-only events 1960 1961 1962 Nats talented son model-building family Bill wanted ultimate rudder-only flyingwinning Nats three years row proved Bill used pulse rudder elementary form proportional control using large rudder obtain some violent results altitude could spin down build speed neutralize rudder continuous looping loss altitude pulse-proportional rudder permitted perfect tracking quick turn would reduce speed quick change intermediate engine speed held speed normal barrel roll held full rudder high throttle could roll continuously until model virtually out sight introduction full-house propo gear moderate prices Bills great skills became redundant Such price progress Bob Dolly Wischer Bills parents also flew own versions Zue success gifted son enjoyed Wischers developed super-powered servos using Bonner motors large nickel-cadmium batteries Re ceivers pulse omission detectors big ground-based transmitters home-made drag brake nose wheel snubber low throttle would stop model added taxi ability points July 1980 25 Bill designed Zue 16 now 35 employed Win Waithers whole sale firm head purchasing Since Walthers countrys prime model railroad jobber Bill has maintained parallel interest model rail roading told interesting sidelight Bob distinctly remember watching Carl Goldberg closely examining later streamlined Zues Nats origin Falcon 56 have often wondered Hmm Let us pause now reflect what has described above have shown what happened rudder-only flying Designwise Zue apex rudder-only refinement coincided bit later decline interest simpler models corresponding increase what building steadilymulti jobs Reed equip ment refined decade before Zue cover interest full house systems well need drop back decade time As interest multi-channel models grew Alex Schneider man beat developed Piper Cub semiscale job could inside outside loops some success inverted flight Cub originated Capital kit 7- 6 span powered Anderson Spitfire two-speed ignition engine Although glow popular time Alex preferred lighter model possible fuelefficient spark ignition Early versions weighed 7 pounds later about 9 pounds 125 inch chord NACA 6412 airfoil weight no problem Regarding piloting skill anecdote Bob Beckman flew Alex quite often Two days before 52 Nats went Alex test fly rebuilt Cub ls wing hold-down bands failed No problems now flew great Alex discussed vertical dive should done judges would know covered required 100 feet standing next Alex brought Cub directly overhead pushed over vertical dive Ive never seen airplane get big fast After abrupt pull out about 20 feet over heads Alex asked thought dive required 100 feet told him did way judges wouldnt matter long would sure know vertical Alex won Nats 52 54 55 Editors Note reed equipment Rockwood developed before war Hal DeBolt again Over Under design featured July 54 Air Trails Like counterpart Frisco Hal expanding aerobatics envelope inside outside loops level flight real vertical dives inverted flights half mile horizontal vertical eights rolls top off real tail spins done full-sized aircraft Hal led way use fat 15% symmetrical airfoils using true airfoils stabilizer too old routine washout wings now gave way flat wing panel spoiler boards inboard leading edges see plan view model reduced effects tip stall both inverted upright maneuvering high angles attack Dependable multi-channel RC gear now available hobbyists becoming sharper pilots due use bigger engines faster models Due better penetration windy weather became less factor flying within limits course Editors Note Reed system developed Schmidt Erie PA tired Rockwood reeds welding shut Smog Hog R E Bowen won multi-class RC 56 Nats Thoroughly de-bugged Howard Bonner flight tests Smog Hog appeared Model Airplane News Feb 57 issue ease building low maintenance tight maneuvers altitude loss peer Thousands built won share trophies Dependable engines such new throttle-equipped Veco 35 K&B 35 helped lot Some mighty handy injection-molded parts started appearing such tail-wheel bracket Smog Hog Clairol plastic bottles easily converted clunk tanks positive fuel flow maneuvering Astro Hog Fred Dunn resulted inability attend 57 Nats flying buddies Nats worked hard have real surprise upon return Aug 17th year prestigious LARKS Flying Circus meet Howard Bonner made maiden flight Dunn during lull contest Later upwards six local hot rock pilots took turns wringing out Freds maneuver able low-winger Bob Dunham Dean Kenny Ray Downs others flew endorsed two weeks Dunham Astro airborne followed Bonner countless others Plans appeared April 58 issue MAN As sixties era dawned Ed Kazmirskis Orion burst upon scene article introduced Orion June 60 MAN editor magazine Bill Winter made prophecy Orion capable hands would achieve new standards high performance Editors Note bought because might win world wide KazwentontowintheWorldChampiOri ships Zurich new K&B 45 better26 Model Aviation Milestones RC NO OCR TEXT 28 Model Aviation Milestones RC than-ever throttling dependability helped make Orion big hit Hal DeBolts Viscount introduced kit 1962 designed 1960 What made unusual new idea ultra-simple ailerons caught quickly Hal working flexible cable within curved metal tube improve upon bellcrank systems use aileron actuation friend Hals working engineer Bell Aircraft named Schroeder making full-scale Good year racer Strip ailerons used successfully Hal reasoned worth trying given up spoilers solution directional control tried strip ailerons great successthe rest history lighter weight greater torsional rigidity made strip ailerons less susceptible flutter bigger bugaboo hobbyists aware Viscount earliest designs featur ing proven practical retracts Hs particular system did catch commerci did point way other manufacture Conceived 1963 developed over fouryear period Kwik Fli Mark III won 67 Nats Phil Kraft Developed conjunction Kraft proportional gear Kwik Fli series featured basic simplicity obtain maximum flying minimum construction effort Phils burgeoning business allowed him sufficient time practice flying point became top contender both nationally world championship level Kwik Fli III plans published MAN Feb 68 kitted several firms Don Lowes Phoenix V another well-tested constantly improved design Don has very aptly named well-behaved bird has July 1980 29 Smiling Dave Brown Phoenix picture taken just prior Tenth RC World Cham pionships 1977 Dave now flies own Tiporare configuration rather like Curare Milestones RC wrung Out time time again literally rising its own ashes constantly improved versions Mark V version published inAinerican Air ModelerJuly 71 listed changes tried til Unlike other advanced-sounding marks others Dons design really has through mill both design competitionwise Mark VIII has recently announced know Don still trying harder ever better Representing ultimate current state th t f,rnr Hv H,5 Hanno Prettner has walked off considerable number prizes worldwide hype hoopla city Las Vegas has garnered its share cash prizes too has admit looks right way modicum wing sweep efficient landing/drag flaps manner working paraphernalia seven servos needed addition usual rudder elevator aileron throttle retract braking functions Curare has throttle mixture servo flap servo project raw beginner MAN published Dec 76 Curare poison used South American Indians arrows model cleverly namedwhen flown able pilot Curare poison indeed far compe tition concerned potent Webra 61 Speed RC engine supplies power efficient machine tuned pipe muffler lowers decibel rating 78reason able considering shrieking rpms now attained Schnuerle-ported engines closing author would like hear comments regarding article lot time spent research correspondence factual possible feels particular design has slighted let know Paul Plecan 3023 Saratoga St Riverside CA 92503 MA *tL *t1 Over 40 years progress world-beating designs Top Good Brothers Big Guff picture taken during pest WRAMS Show now hangs National Air & Space Museum As shown rudder elevator controls operated separate 4erm escapements driven two different receivers Below Probably skilled RC pilot world Hanno Prettner famous Curare incorporates own develonad features orovide excellent control over flying speed throulihout maneuvers oracticallv owns Las Vegas comoetition NO OCR TEXT
Edition: Model Aviation - 1980/07
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
NO OCR TEXT Text drawings Paul Plecan NOWADAYS average RC enthusiast accepts reliability light weight model maneuverability question Forty years ago different story will attempt briefly cover major advances state art leaning towards model aircraft rather electronics complex gadgetry very early pioneers like Ross Hull Clinton DeSoto developed basic electronic circuitry lightweight energy-efficient actu ators both magnetic rubber powered readers will relate readily what happened various Nationals designs presented rought chronological order some flown years prior publication bear mind Without much fanfare radio control event included 1937 Nationals Detroit Six models entered half got airborne three two promptly crashed after takeoff Chet Lanzo flew model well enough stand out among others thus took home two trophies brand new engine tuning RC gear quite critical Chet able make numerous success ful flights time 5 6 pounds usual weight airborne system Chet pared down 28 ounces model simple crutch-type futelage span 9 feet powered Baby Cyclone engine 1938 Nats Walt Good flew Big Guff 8-foot design loosely based old freeflight KG concept biggy also borrowed Walts FF Guff design proven contest winner Note generous dihedral helped restore stable flight control lost huge 6-in M&M airwheels cushioned landing impact Big Guff won rudder model escapement elevator two receivers capable pitch control 1939 Walt aided brother Bill licensed radio amateur doesnt hear term ham much moreseems like showbiz stole term Working team stayed ahead competition winning RC event 1940 1947 Big Guff appeared Air Trails Oct/Nov/Dec. 1940 issues Radart design Fran McElwee early designed RC models featured April 49 issue ofAir Trails compact 5footer Drone diesel swinging 10/6 prop little aileron left wing helped trim straight-ahead flight neutral Typical some models Radart helped trend toward com pactRCjobsyetwasnotmade inlarge numbers later trike gear version much popular seems later version dubbed Macs Robot Hoosier Hot Shot designed wellJuly 1980 23 Over4O years progress aircraft design presented remarkable job research faithful drawings Weve picked significant aircraft along way think otherswell 24 Model Aviation Milestones RC known modeler Ken Ernst Indianapolis Gene Foxworthy did flying authored construction article Air Trails May 50 Dennymite 14/8 prop used Note ample dihedral large wing slots twin rudders prior years free-flight models prone corkscrew ground fatal results once banked sharply under power began ever-steepening vicious circle Hot Shot however could circle tightly altitude loss slotted wings probably helped achieve Foxworthy told Bill Winter tested Hot Shot slot action day covered wing slots tape under power refused climb sped across Indianapolis Air port chest height pranged fence far end airport Having witnessed early flights Bill mentioned Gene noted high far out flights 40 wattsthe model mere speck against clouds long accurate approaches along runway slicing back forth over grass border no lift hot concrete lift control model would touch down Bills wordsI have seen him windy weather no else would fly low motor two-speed ignition holding ship nose high front himabout 25 50 feet away letting swerve drift 90 degrees right coming back hang up front him again going left etc. long wished play would spiral could turn tight Lots dihedral figured Walt Goods Rudder Bug perhaps milestone model came time interest RC growing leaps bounds hobbyists deeply involved reading sche matics perfecting soldering techniques 6-feet span powered DeLong 29 later Forster 29 model sturdy performed well interesting note airborne RC gear weighed pound yet provided rudder control neutral right left Appeared May June 49 issues Model Airplane News 5-foot version kitted Berkeley thousands sold Don Clark DCRC club scaled down Using original Bug Walt took first 49 Nats several subsequent Nats Rudder Bugs outnumbered other designs large margin Other times entries virtually Rudder Bugs First advertised early 1952 Hal DeBolts Live Wire Trainer featured removable box containing airborne gear 35 x 4 x 8 inch box caused design have decidedly fat chunky look Esthetically too pleas ing real world honing ones piloting skills superb 09 engine small prop permitted short flat sheet dural LG strut used usual equipment malfunction ensuing spiral dive model met terra firma abrupt angle No hassle just straightened out LG strut kept flying engine sitting up top wasnt too often dirt would get flying school stayed open similar prang sophisticated ship meant trip back shop repairs flying RC job has always name game 40000 Trainer kits sold decade kit available Another early fifties kit Beam Lou Andrews quite literally companion piece DeBolts Trainer size price bulk About real difference trike landing gear Given same requirements two able designers will often come up mirrorimage solutions Inverted 09 engines often used Beams fairing neatly deep cowl kitted Guillow Corp Trainer Beam first designed RC kits welcome change sport FF kits used previously generally didnt withstand rigors RC flying Bill Wischer designed Zue went win rudder-only events 1960 1961 1962 Nats talented son model-building family Bill wanted ultimate rudder-only flyingwinning Nats three years row proved Bill used pulse rudder elementary form proportional control using large rudder obtain some violent results altitude could spin down build speed neutralize rudder continuous looping loss altitude pulse-proportional rudder permitted perfect tracking quick turn would reduce speed quick change intermediate engine speed held speed normal barrel roll held full rudder high throttle could roll continuously until model virtually out sight introduction full-house propo gear moderate prices Bills great skills became redundant Such price progress Bob Dolly Wischer Bills parents also flew own versions Zue success gifted son enjoyed Wischers developed super-powered servos using Bonner motors large nickel-cadmium batteries Re ceivers pulse omission detectors big ground-based transmitters home-made drag brake nose wheel snubber low throttle would stop model added taxi ability points July 1980 25 Bill designed Zue 16 now 35 employed Win Waithers whole sale firm head purchasing Since Walthers countrys prime model railroad jobber Bill has maintained parallel interest model rail roading told interesting sidelight Bob distinctly remember watching Carl Goldberg closely examining later streamlined Zues Nats origin Falcon 56 have often wondered Hmm Let us pause now reflect what has described above have shown what happened rudder-only flying Designwise Zue apex rudder-only refinement coincided bit later decline interest simpler models corresponding increase what building steadilymulti jobs Reed equip ment refined decade before Zue cover interest full house systems well need drop back decade time As interest multi-channel models grew Alex Schneider man beat developed Piper Cub semiscale job could inside outside loops some success inverted flight Cub originated Capital kit 7- 6 span powered Anderson Spitfire two-speed ignition engine Although glow popular time Alex preferred lighter model possible fuelefficient spark ignition Early versions weighed 7 pounds later about 9 pounds 125 inch chord NACA 6412 airfoil weight no problem Regarding piloting skill anecdote Bob Beckman flew Alex quite often Two days before 52 Nats went Alex test fly rebuilt Cub ls wing hold-down bands failed No problems now flew great Alex discussed vertical dive should done judges would know covered required 100 feet standing next Alex brought Cub directly overhead pushed over vertical dive Ive never seen airplane get big fast After abrupt pull out about 20 feet over heads Alex asked thought dive required 100 feet told him did way judges wouldnt matter long would sure know vertical Alex won Nats 52 54 55 Editors Note reed equipment Rockwood developed before war Hal DeBolt again Over Under design featured July 54 Air Trails Like counterpart Frisco Hal expanding aerobatics envelope inside outside loops level flight real vertical dives inverted flights half mile horizontal vertical eights rolls top off real tail spins done full-sized aircraft Hal led way use fat 15% symmetrical airfoils using true airfoils stabilizer too old routine washout wings now gave way flat wing panel spoiler boards inboard leading edges see plan view model reduced effects tip stall both inverted upright maneuvering high angles attack Dependable multi-channel RC gear now available hobbyists becoming sharper pilots due use bigger engines faster models Due better penetration windy weather became less factor flying within limits course Editors Note Reed system developed Schmidt Erie PA tired Rockwood reeds welding shut Smog Hog R E Bowen won multi-class RC 56 Nats Thoroughly de-bugged Howard Bonner flight tests Smog Hog appeared Model Airplane News Feb 57 issue ease building low maintenance tight maneuvers altitude loss peer Thousands built won share trophies Dependable engines such new throttle-equipped Veco 35 K&B 35 helped lot Some mighty handy injection-molded parts started appearing such tail-wheel bracket Smog Hog Clairol plastic bottles easily converted clunk tanks positive fuel flow maneuvering Astro Hog Fred Dunn resulted inability attend 57 Nats flying buddies Nats worked hard have real surprise upon return Aug 17th year prestigious LARKS Flying Circus meet Howard Bonner made maiden flight Dunn during lull contest Later upwards six local hot rock pilots took turns wringing out Freds maneuver able low-winger Bob Dunham Dean Kenny Ray Downs others flew endorsed two weeks Dunham Astro airborne followed Bonner countless others Plans appeared April 58 issue MAN As sixties era dawned Ed Kazmirskis Orion burst upon scene article introduced Orion June 60 MAN editor magazine Bill Winter made prophecy Orion capable hands would achieve new standards high performance Editors Note bought because might win world wide KazwentontowintheWorldChampiOri ships Zurich new K&B 45 better26 Model Aviation Milestones RC NO OCR TEXT 28 Model Aviation Milestones RC than-ever throttling dependability helped make Orion big hit Hal DeBolts Viscount introduced kit 1962 designed 1960 What made unusual new idea ultra-simple ailerons caught quickly Hal working flexible cable within curved metal tube improve upon bellcrank systems use aileron actuation friend Hals working engineer Bell Aircraft named Schroeder making full-scale Good year racer Strip ailerons used successfully Hal reasoned worth trying given up spoilers solution directional control tried strip ailerons great successthe rest history lighter weight greater torsional rigidity made strip ailerons less susceptible flutter bigger bugaboo hobbyists aware Viscount earliest designs featur ing proven practical retracts Hs particular system did catch commerci did point way other manufacture Conceived 1963 developed over fouryear period Kwik Fli Mark III won 67 Nats Phil Kraft Developed conjunction Kraft proportional gear Kwik Fli series featured basic simplicity obtain maximum flying minimum construction effort Phils burgeoning business allowed him sufficient time practice flying point became top contender both nationally world championship level Kwik Fli III plans published MAN Feb 68 kitted several firms Don Lowes Phoenix V another well-tested constantly improved design Don has very aptly named well-behaved bird has July 1980 29 Smiling Dave Brown Phoenix picture taken just prior Tenth RC World Cham pionships 1977 Dave now flies own Tiporare configuration rather like Curare Milestones RC wrung Out time time again literally rising its own ashes constantly improved versions Mark V version published inAinerican Air ModelerJuly 71 listed changes tried til Unlike other advanced-sounding marks others Dons design really has through mill both design competitionwise Mark VIII has recently announced know Don still trying harder ever better Representing ultimate current state th t f,rnr Hv H,5 Hanno Prettner has walked off considerable number prizes worldwide hype hoopla city Las Vegas has garnered its share cash prizes too has admit looks right way modicum wing sweep efficient landing/drag flaps manner working paraphernalia seven servos needed addition usual rudder elevator aileron throttle retract braking functions Curare has throttle mixture servo flap servo project raw beginner MAN published Dec 76 Curare poison used South American Indians arrows model cleverly namedwhen flown able pilot Curare poison indeed far compe tition concerned potent Webra 61 Speed RC engine supplies power efficient machine tuned pipe muffler lowers decibel rating 78reason able considering shrieking rpms now attained Schnuerle-ported engines closing author would like hear comments regarding article lot time spent research correspondence factual possible feels particular design has slighted let know Paul Plecan 3023 Saratoga St Riverside CA 92503 MA *tL *t1 Over 40 years progress world-beating designs Top Good Brothers Big Guff picture taken during pest WRAMS Show now hangs National Air & Space Museum As shown rudder elevator controls operated separate 4erm escapements driven two different receivers Below Probably skilled RC pilot world Hanno Prettner famous Curare incorporates own develonad features orovide excellent control over flying speed throulihout maneuvers oracticallv owns Las Vegas comoetition NO OCR TEXT
Edition: Model Aviation - 1980/07
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
NO OCR TEXT Text drawings Paul Plecan NOWADAYS average RC enthusiast accepts reliability light weight model maneuverability question Forty years ago different story will attempt briefly cover major advances state art leaning towards model aircraft rather electronics complex gadgetry very early pioneers like Ross Hull Clinton DeSoto developed basic electronic circuitry lightweight energy-efficient actu ators both magnetic rubber powered readers will relate readily what happened various Nationals designs presented rought chronological order some flown years prior publication bear mind Without much fanfare radio control event included 1937 Nationals Detroit Six models entered half got airborne three two promptly crashed after takeoff Chet Lanzo flew model well enough stand out among others thus took home two trophies brand new engine tuning RC gear quite critical Chet able make numerous success ful flights time 5 6 pounds usual weight airborne system Chet pared down 28 ounces model simple crutch-type futelage span 9 feet powered Baby Cyclone engine 1938 Nats Walt Good flew Big Guff 8-foot design loosely based old freeflight KG concept biggy also borrowed Walts FF Guff design proven contest winner Note generous dihedral helped restore stable flight control lost huge 6-in M&M airwheels cushioned landing impact Big Guff won rudder model escapement elevator two receivers capable pitch control 1939 Walt aided brother Bill licensed radio amateur doesnt hear term ham much moreseems like showbiz stole term Working team stayed ahead competition winning RC event 1940 1947 Big Guff appeared Air Trails Oct/Nov/Dec. 1940 issues Radart design Fran McElwee early designed RC models featured April 49 issue ofAir Trails compact 5footer Drone diesel swinging 10/6 prop little aileron left wing helped trim straight-ahead flight neutral Typical some models Radart helped trend toward com pactRCjobsyetwasnotmade inlarge numbers later trike gear version much popular seems later version dubbed Macs Robot Hoosier Hot Shot designed wellJuly 1980 23 Over4O years progress aircraft design presented remarkable job research faithful drawings Weve picked significant aircraft along way think otherswell 24 Model Aviation Milestones RC known modeler Ken Ernst Indianapolis Gene Foxworthy did flying authored construction article Air Trails May 50 Dennymite 14/8 prop used Note ample dihedral large wing slots twin rudders prior years free-flight models prone corkscrew ground fatal results once banked sharply under power began ever-steepening vicious circle Hot Shot however could circle tightly altitude loss slotted wings probably helped achieve Foxworthy told Bill Winter tested Hot Shot slot action day covered wing slots tape under power refused climb sped across Indianapolis Air port chest height pranged fence far end airport Having witnessed early flights Bill mentioned Gene noted high far out flights 40 wattsthe model mere speck against clouds long accurate approaches along runway slicing back forth over grass border no lift hot concrete lift control model would touch down Bills wordsI have seen him windy weather no else would fly low motor two-speed ignition holding ship nose high front himabout 25 50 feet away letting swerve drift 90 degrees right coming back hang up front him again going left etc. long wished play would spiral could turn tight Lots dihedral figured Walt Goods Rudder Bug perhaps milestone model came time interest RC growing leaps bounds hobbyists deeply involved reading sche matics perfecting soldering techniques 6-feet span powered DeLong 29 later Forster 29 model sturdy performed well interesting note airborne RC gear weighed pound yet provided rudder control neutral right left Appeared May June 49 issues Model Airplane News 5-foot version kitted Berkeley thousands sold Don Clark DCRC club scaled down Using original Bug Walt took first 49 Nats several subsequent Nats Rudder Bugs outnumbered other designs large margin Other times entries virtually Rudder Bugs First advertised early 1952 Hal DeBolts Live Wire Trainer featured removable box containing airborne gear 35 x 4 x 8 inch box caused design have decidedly fat chunky look Esthetically too pleas ing real world honing ones piloting skills superb 09 engine small prop permitted short flat sheet dural LG strut used usual equipment malfunction ensuing spiral dive model met terra firma abrupt angle No hassle just straightened out LG strut kept flying engine sitting up top wasnt too often dirt would get flying school stayed open similar prang sophisticated ship meant trip back shop repairs flying RC job has always name game 40000 Trainer kits sold decade kit available Another early fifties kit Beam Lou Andrews quite literally companion piece DeBolts Trainer size price bulk About real difference trike landing gear Given same requirements two able designers will often come up mirrorimage solutions Inverted 09 engines often used Beams fairing neatly deep cowl kitted Guillow Corp Trainer Beam first designed RC kits welcome change sport FF kits used previously generally didnt withstand rigors RC flying Bill Wischer designed Zue went win rudder-only events 1960 1961 1962 Nats talented son model-building family Bill wanted ultimate rudder-only flyingwinning Nats three years row proved Bill used pulse rudder elementary form proportional control using large rudder obtain some violent results altitude could spin down build speed neutralize rudder continuous looping loss altitude pulse-proportional rudder permitted perfect tracking quick turn would reduce speed quick change intermediate engine speed held speed normal barrel roll held full rudder high throttle could roll continuously until model virtually out sight introduction full-house propo gear moderate prices Bills great skills became redundant Such price progress Bob Dolly Wischer Bills parents also flew own versions Zue success gifted son enjoyed Wischers developed super-powered servos using Bonner motors large nickel-cadmium batteries Re ceivers pulse omission detectors big ground-based transmitters home-made drag brake nose wheel snubber low throttle would stop model added taxi ability points July 1980 25 Bill designed Zue 16 now 35 employed Win Waithers whole sale firm head purchasing Since Walthers countrys prime model railroad jobber Bill has maintained parallel interest model rail roading told interesting sidelight Bob distinctly remember watching Carl Goldberg closely examining later streamlined Zues Nats origin Falcon 56 have often wondered Hmm Let us pause now reflect what has described above have shown what happened rudder-only flying Designwise Zue apex rudder-only refinement coincided bit later decline interest simpler models corresponding increase what building steadilymulti jobs Reed equip ment refined decade before Zue cover interest full house systems well need drop back decade time As interest multi-channel models grew Alex Schneider man beat developed Piper Cub semiscale job could inside outside loops some success inverted flight Cub originated Capital kit 7- 6 span powered Anderson Spitfire two-speed ignition engine Although glow popular time Alex preferred lighter model possible fuelefficient spark ignition Early versions weighed 7 pounds later about 9 pounds 125 inch chord NACA 6412 airfoil weight no problem Regarding piloting skill anecdote Bob Beckman flew Alex quite often Two days before 52 Nats went Alex test fly rebuilt Cub ls wing hold-down bands failed No problems now flew great Alex discussed vertical dive should done judges would know covered required 100 feet standing next Alex brought Cub directly overhead pushed over vertical dive Ive never seen airplane get big fast After abrupt pull out about 20 feet over heads Alex asked thought dive required 100 feet told him did way judges wouldnt matter long would sure know vertical Alex won Nats 52 54 55 Editors Note reed equipment Rockwood developed before war Hal DeBolt again Over Under design featured July 54 Air Trails Like counterpart Frisco Hal expanding aerobatics envelope inside outside loops level flight real vertical dives inverted flights half mile horizontal vertical eights rolls top off real tail spins done full-sized aircraft Hal led way use fat 15% symmetrical airfoils using true airfoils stabilizer too old routine washout wings now gave way flat wing panel spoiler boards inboard leading edges see plan view model reduced effects tip stall both inverted upright maneuvering high angles attack Dependable multi-channel RC gear now available hobbyists becoming sharper pilots due use bigger engines faster models Due better penetration windy weather became less factor flying within limits course Editors Note Reed system developed Schmidt Erie PA tired Rockwood reeds welding shut Smog Hog R E Bowen won multi-class RC 56 Nats Thoroughly de-bugged Howard Bonner flight tests Smog Hog appeared Model Airplane News Feb 57 issue ease building low maintenance tight maneuvers altitude loss peer Thousands built won share trophies Dependable engines such new throttle-equipped Veco 35 K&B 35 helped lot Some mighty handy injection-molded parts started appearing such tail-wheel bracket Smog Hog Clairol plastic bottles easily converted clunk tanks positive fuel flow maneuvering Astro Hog Fred Dunn resulted inability attend 57 Nats flying buddies Nats worked hard have real surprise upon return Aug 17th year prestigious LARKS Flying Circus meet Howard Bonner made maiden flight Dunn during lull contest Later upwards six local hot rock pilots took turns wringing out Freds maneuver able low-winger Bob Dunham Dean Kenny Ray Downs others flew endorsed two weeks Dunham Astro airborne followed Bonner countless others Plans appeared April 58 issue MAN As sixties era dawned Ed Kazmirskis Orion burst upon scene article introduced Orion June 60 MAN editor magazine Bill Winter made prophecy Orion capable hands would achieve new standards high performance Editors Note bought because might win world wide KazwentontowintheWorldChampiOri ships Zurich new K&B 45 better26 Model Aviation Milestones RC NO OCR TEXT 28 Model Aviation Milestones RC than-ever throttling dependability helped make Orion big hit Hal DeBolts Viscount introduced kit 1962 designed 1960 What made unusual new idea ultra-simple ailerons caught quickly Hal working flexible cable within curved metal tube improve upon bellcrank systems use aileron actuation friend Hals working engineer Bell Aircraft named Schroeder making full-scale Good year racer Strip ailerons used successfully Hal reasoned worth trying given up spoilers solution directional control tried strip ailerons great successthe rest history lighter weight greater torsional rigidity made strip ailerons less susceptible flutter bigger bugaboo hobbyists aware Viscount earliest designs featur ing proven practical retracts Hs particular system did catch commerci did point way other manufacture Conceived 1963 developed over fouryear period Kwik Fli Mark III won 67 Nats Phil Kraft Developed conjunction Kraft proportional gear Kwik Fli series featured basic simplicity obtain maximum flying minimum construction effort Phils burgeoning business allowed him sufficient time practice flying point became top contender both nationally world championship level Kwik Fli III plans published MAN Feb 68 kitted several firms Don Lowes Phoenix V another well-tested constantly improved design Don has very aptly named well-behaved bird has July 1980 29 Smiling Dave Brown Phoenix picture taken just prior Tenth RC World Cham pionships 1977 Dave now flies own Tiporare configuration rather like Curare Milestones RC wrung Out time time again literally rising its own ashes constantly improved versions Mark V version published inAinerican Air ModelerJuly 71 listed changes tried til Unlike other advanced-sounding marks others Dons design really has through mill both design competitionwise Mark VIII has recently announced know Don still trying harder ever better Representing ultimate current state th t f,rnr Hv H,5 Hanno Prettner has walked off considerable number prizes worldwide hype hoopla city Las Vegas has garnered its share cash prizes too has admit looks right way modicum wing sweep efficient landing/drag flaps manner working paraphernalia seven servos needed addition usual rudder elevator aileron throttle retract braking functions Curare has throttle mixture servo flap servo project raw beginner MAN published Dec 76 Curare poison used South American Indians arrows model cleverly namedwhen flown able pilot Curare poison indeed far compe tition concerned potent Webra 61 Speed RC engine supplies power efficient machine tuned pipe muffler lowers decibel rating 78reason able considering shrieking rpms now attained Schnuerle-ported engines closing author would like hear comments regarding article lot time spent research correspondence factual possible feels particular design has slighted let know Paul Plecan 3023 Saratoga St Riverside CA 92503 MA *tL *t1 Over 40 years progress world-beating designs Top Good Brothers Big Guff picture taken during pest WRAMS Show now hangs National Air & Space Museum As shown rudder elevator controls operated separate 4erm escapements driven two different receivers Below Probably skilled RC pilot world Hanno Prettner famous Curare incorporates own develonad features orovide excellent control over flying speed throulihout maneuvers oracticallv owns Las Vegas comoetition NO OCR TEXT
Edition: Model Aviation - 1980/07
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
NO OCR TEXT Text drawings Paul Plecan NOWADAYS average RC enthusiast accepts reliability light weight model maneuverability question Forty years ago different story will attempt briefly cover major advances state art leaning towards model aircraft rather electronics complex gadgetry very early pioneers like Ross Hull Clinton DeSoto developed basic electronic circuitry lightweight energy-efficient actu ators both magnetic rubber powered readers will relate readily what happened various Nationals designs presented rought chronological order some flown years prior publication bear mind Without much fanfare radio control event included 1937 Nationals Detroit Six models entered half got airborne three two promptly crashed after takeoff Chet Lanzo flew model well enough stand out among others thus took home two trophies brand new engine tuning RC gear quite critical Chet able make numerous success ful flights time 5 6 pounds usual weight airborne system Chet pared down 28 ounces model simple crutch-type futelage span 9 feet powered Baby Cyclone engine 1938 Nats Walt Good flew Big Guff 8-foot design loosely based old freeflight KG concept biggy also borrowed Walts FF Guff design proven contest winner Note generous dihedral helped restore stable flight control lost huge 6-in M&M airwheels cushioned landing impact Big Guff won rudder model escapement elevator two receivers capable pitch control 1939 Walt aided brother Bill licensed radio amateur doesnt hear term ham much moreseems like showbiz stole term Working team stayed ahead competition winning RC event 1940 1947 Big Guff appeared Air Trails Oct/Nov/Dec. 1940 issues Radart design Fran McElwee early designed RC models featured April 49 issue ofAir Trails compact 5footer Drone diesel swinging 10/6 prop little aileron left wing helped trim straight-ahead flight neutral Typical some models Radart helped trend toward com pactRCjobsyetwasnotmade inlarge numbers later trike gear version much popular seems later version dubbed Macs Robot Hoosier Hot Shot designed wellJuly 1980 23 Over4O years progress aircraft design presented remarkable job research faithful drawings Weve picked significant aircraft along way think otherswell 24 Model Aviation Milestones RC known modeler Ken Ernst Indianapolis Gene Foxworthy did flying authored construction article Air Trails May 50 Dennymite 14/8 prop used Note ample dihedral large wing slots twin rudders prior years free-flight models prone corkscrew ground fatal results once banked sharply under power began ever-steepening vicious circle Hot Shot however could circle tightly altitude loss slotted wings probably helped achieve Foxworthy told Bill Winter tested Hot Shot slot action day covered wing slots tape under power refused climb sped across Indianapolis Air port chest height pranged fence far end airport Having witnessed early flights Bill mentioned Gene noted high far out flights 40 wattsthe model mere speck against clouds long accurate approaches along runway slicing back forth over grass border no lift hot concrete lift control model would touch down Bills wordsI have seen him windy weather no else would fly low motor two-speed ignition holding ship nose high front himabout 25 50 feet away letting swerve drift 90 degrees right coming back hang up front him again going left etc. long wished play would spiral could turn tight Lots dihedral figured Walt Goods Rudder Bug perhaps milestone model came time interest RC growing leaps bounds hobbyists deeply involved reading sche matics perfecting soldering techniques 6-feet span powered DeLong 29 later Forster 29 model sturdy performed well interesting note airborne RC gear weighed pound yet provided rudder control neutral right left Appeared May June 49 issues Model Airplane News 5-foot version kitted Berkeley thousands sold Don Clark DCRC club scaled down Using original Bug Walt took first 49 Nats several subsequent Nats Rudder Bugs outnumbered other designs large margin Other times entries virtually Rudder Bugs First advertised early 1952 Hal DeBolts Live Wire Trainer featured removable box containing airborne gear 35 x 4 x 8 inch box caused design have decidedly fat chunky look Esthetically too pleas ing real world honing ones piloting skills superb 09 engine small prop permitted short flat sheet dural LG strut used usual equipment malfunction ensuing spiral dive model met terra firma abrupt angle No hassle just straightened out LG strut kept flying engine sitting up top wasnt too often dirt would get flying school stayed open similar prang sophisticated ship meant trip back shop repairs flying RC job has always name game 40000 Trainer kits sold decade kit available Another early fifties kit Beam Lou Andrews quite literally companion piece DeBolts Trainer size price bulk About real difference trike landing gear Given same requirements two able designers will often come up mirrorimage solutions Inverted 09 engines often used Beams fairing neatly deep cowl kitted Guillow Corp Trainer Beam first designed RC kits welcome change sport FF kits used previously generally didnt withstand rigors RC flying Bill Wischer designed Zue went win rudder-only events 1960 1961 1962 Nats talented son model-building family Bill wanted ultimate rudder-only flyingwinning Nats three years row proved Bill used pulse rudder elementary form proportional control using large rudder obtain some violent results altitude could spin down build speed neutralize rudder continuous looping loss altitude pulse-proportional rudder permitted perfect tracking quick turn would reduce speed quick change intermediate engine speed held speed normal barrel roll held full rudder high throttle could roll continuously until model virtually out sight introduction full-house propo gear moderate prices Bills great skills became redundant Such price progress Bob Dolly Wischer Bills parents also flew own versions Zue success gifted son enjoyed Wischers developed super-powered servos using Bonner motors large nickel-cadmium batteries Re ceivers pulse omission detectors big ground-based transmitters home-made drag brake nose wheel snubber low throttle would stop model added taxi ability points July 1980 25 Bill designed Zue 16 now 35 employed Win Waithers whole sale firm head purchasing Since Walthers countrys prime model railroad jobber Bill has maintained parallel interest model rail roading told interesting sidelight Bob distinctly remember watching Carl Goldberg closely examining later streamlined Zues Nats origin Falcon 56 have often wondered Hmm Let us pause now reflect what has described above have shown what happened rudder-only flying Designwise Zue apex rudder-only refinement coincided bit later decline interest simpler models corresponding increase what building steadilymulti jobs Reed equip ment refined decade before Zue cover interest full house systems well need drop back decade time As interest multi-channel models grew Alex Schneider man beat developed Piper Cub semiscale job could inside outside loops some success inverted flight Cub originated Capital kit 7- 6 span powered Anderson Spitfire two-speed ignition engine Although glow popular time Alex preferred lighter model possible fuelefficient spark ignition Early versions weighed 7 pounds later about 9 pounds 125 inch chord NACA 6412 airfoil weight no problem Regarding piloting skill anecdote Bob Beckman flew Alex quite often Two days before 52 Nats went Alex test fly rebuilt Cub ls wing hold-down bands failed No problems now flew great Alex discussed vertical dive should done judges would know covered required 100 feet standing next Alex brought Cub directly overhead pushed over vertical dive Ive never seen airplane get big fast After abrupt pull out about 20 feet over heads Alex asked thought dive required 100 feet told him did way judges wouldnt matter long would sure know vertical Alex won Nats 52 54 55 Editors Note reed equipment Rockwood developed before war Hal DeBolt again Over Under design featured July 54 Air Trails Like counterpart Frisco Hal expanding aerobatics envelope inside outside loops level flight real vertical dives inverted flights half mile horizontal vertical eights rolls top off real tail spins done full-sized aircraft Hal led way use fat 15% symmetrical airfoils using true airfoils stabilizer too old routine washout wings now gave way flat wing panel spoiler boards inboard leading edges see plan view model reduced effects tip stall both inverted upright maneuvering high angles attack Dependable multi-channel RC gear now available hobbyists becoming sharper pilots due use bigger engines faster models Due better penetration windy weather became less factor flying within limits course Editors Note Reed system developed Schmidt Erie PA tired Rockwood reeds welding shut Smog Hog R E Bowen won multi-class RC 56 Nats Thoroughly de-bugged Howard Bonner flight tests Smog Hog appeared Model Airplane News Feb 57 issue ease building low maintenance tight maneuvers altitude loss peer Thousands built won share trophies Dependable engines such new throttle-equipped Veco 35 K&B 35 helped lot Some mighty handy injection-molded parts started appearing such tail-wheel bracket Smog Hog Clairol plastic bottles easily converted clunk tanks positive fuel flow maneuvering Astro Hog Fred Dunn resulted inability attend 57 Nats flying buddies Nats worked hard have real surprise upon return Aug 17th year prestigious LARKS Flying Circus meet Howard Bonner made maiden flight Dunn during lull contest Later upwards six local hot rock pilots took turns wringing out Freds maneuver able low-winger Bob Dunham Dean Kenny Ray Downs others flew endorsed two weeks Dunham Astro airborne followed Bonner countless others Plans appeared April 58 issue MAN As sixties era dawned Ed Kazmirskis Orion burst upon scene article introduced Orion June 60 MAN editor magazine Bill Winter made prophecy Orion capable hands would achieve new standards high performance Editors Note bought because might win world wide KazwentontowintheWorldChampiOri ships Zurich new K&B 45 better26 Model Aviation Milestones RC NO OCR TEXT 28 Model Aviation Milestones RC than-ever throttling dependability helped make Orion big hit Hal DeBolts Viscount introduced kit 1962 designed 1960 What made unusual new idea ultra-simple ailerons caught quickly Hal working flexible cable within curved metal tube improve upon bellcrank systems use aileron actuation friend Hals working engineer Bell Aircraft named Schroeder making full-scale Good year racer Strip ailerons used successfully Hal reasoned worth trying given up spoilers solution directional control tried strip ailerons great successthe rest history lighter weight greater torsional rigidity made strip ailerons less susceptible flutter bigger bugaboo hobbyists aware Viscount earliest designs featur ing proven practical retracts Hs particular system did catch commerci did point way other manufacture Conceived 1963 developed over fouryear period Kwik Fli Mark III won 67 Nats Phil Kraft Developed conjunction Kraft proportional gear Kwik Fli series featured basic simplicity obtain maximum flying minimum construction effort Phils burgeoning business allowed him sufficient time practice flying point became top contender both nationally world championship level Kwik Fli III plans published MAN Feb 68 kitted several firms Don Lowes Phoenix V another well-tested constantly improved design Don has very aptly named well-behaved bird has July 1980 29 Smiling Dave Brown Phoenix picture taken just prior Tenth RC World Cham pionships 1977 Dave now flies own Tiporare configuration rather like Curare Milestones RC wrung Out time time again literally rising its own ashes constantly improved versions Mark V version published inAinerican Air ModelerJuly 71 listed changes tried til Unlike other advanced-sounding marks others Dons design really has through mill both design competitionwise Mark VIII has recently announced know Don still trying harder ever better Representing ultimate current state th t f,rnr Hv H,5 Hanno Prettner has walked off considerable number prizes worldwide hype hoopla city Las Vegas has garnered its share cash prizes too has admit looks right way modicum wing sweep efficient landing/drag flaps manner working paraphernalia seven servos needed addition usual rudder elevator aileron throttle retract braking functions Curare has throttle mixture servo flap servo project raw beginner MAN published Dec 76 Curare poison used South American Indians arrows model cleverly namedwhen flown able pilot Curare poison indeed far compe tition concerned potent Webra 61 Speed RC engine supplies power efficient machine tuned pipe muffler lowers decibel rating 78reason able considering shrieking rpms now attained Schnuerle-ported engines closing author would like hear comments regarding article lot time spent research correspondence factual possible feels particular design has slighted let know Paul Plecan 3023 Saratoga St Riverside CA 92503 MA *tL *t1 Over 40 years progress world-beating designs Top Good Brothers Big Guff picture taken during pest WRAMS Show now hangs National Air & Space Museum As shown rudder elevator controls operated separate 4erm escapements driven two different receivers Below Probably skilled RC pilot world Hanno Prettner famous Curare incorporates own develonad features orovide excellent control over flying speed throulihout maneuvers oracticallv owns Las Vegas comoetition NO OCR TEXT
Edition: Model Aviation - 1980/07
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
NO OCR TEXT Text drawings Paul Plecan NOWADAYS average RC enthusiast accepts reliability light weight model maneuverability question Forty years ago different story will attempt briefly cover major advances state art leaning towards model aircraft rather electronics complex gadgetry very early pioneers like Ross Hull Clinton DeSoto developed basic electronic circuitry lightweight energy-efficient actu ators both magnetic rubber powered readers will relate readily what happened various Nationals designs presented rought chronological order some flown years prior publication bear mind Without much fanfare radio control event included 1937 Nationals Detroit Six models entered half got airborne three two promptly crashed after takeoff Chet Lanzo flew model well enough stand out among others thus took home two trophies brand new engine tuning RC gear quite critical Chet able make numerous success ful flights time 5 6 pounds usual weight airborne system Chet pared down 28 ounces model simple crutch-type futelage span 9 feet powered Baby Cyclone engine 1938 Nats Walt Good flew Big Guff 8-foot design loosely based old freeflight KG concept biggy also borrowed Walts FF Guff design proven contest winner Note generous dihedral helped restore stable flight control lost huge 6-in M&M airwheels cushioned landing impact Big Guff won rudder model escapement elevator two receivers capable pitch control 1939 Walt aided brother Bill licensed radio amateur doesnt hear term ham much moreseems like showbiz stole term Working team stayed ahead competition winning RC event 1940 1947 Big Guff appeared Air Trails Oct/Nov/Dec. 1940 issues Radart design Fran McElwee early designed RC models featured April 49 issue ofAir Trails compact 5footer Drone diesel swinging 10/6 prop little aileron left wing helped trim straight-ahead flight neutral Typical some models Radart helped trend toward com pactRCjobsyetwasnotmade inlarge numbers later trike gear version much popular seems later version dubbed Macs Robot Hoosier Hot Shot designed wellJuly 1980 23 Over4O years progress aircraft design presented remarkable job research faithful drawings Weve picked significant aircraft along way think otherswell 24 Model Aviation Milestones RC known modeler Ken Ernst Indianapolis Gene Foxworthy did flying authored construction article Air Trails May 50 Dennymite 14/8 prop used Note ample dihedral large wing slots twin rudders prior years free-flight models prone corkscrew ground fatal results once banked sharply under power began ever-steepening vicious circle Hot Shot however could circle tightly altitude loss slotted wings probably helped achieve Foxworthy told Bill Winter tested Hot Shot slot action day covered wing slots tape under power refused climb sped across Indianapolis Air port chest height pranged fence far end airport Having witnessed early flights Bill mentioned Gene noted high far out flights 40 wattsthe model mere speck against clouds long accurate approaches along runway slicing back forth over grass border no lift hot concrete lift control model would touch down Bills wordsI have seen him windy weather no else would fly low motor two-speed ignition holding ship nose high front himabout 25 50 feet away letting swerve drift 90 degrees right coming back hang up front him again going left etc. long wished play would spiral could turn tight Lots dihedral figured Walt Goods Rudder Bug perhaps milestone model came time interest RC growing leaps bounds hobbyists deeply involved reading sche matics perfecting soldering techniques 6-feet span powered DeLong 29 later Forster 29 model sturdy performed well interesting note airborne RC gear weighed pound yet provided rudder control neutral right left Appeared May June 49 issues Model Airplane News 5-foot version kitted Berkeley thousands sold Don Clark DCRC club scaled down Using original Bug Walt took first 49 Nats several subsequent Nats Rudder Bugs outnumbered other designs large margin Other times entries virtually Rudder Bugs First advertised early 1952 Hal DeBolts Live Wire Trainer featured removable box containing airborne gear 35 x 4 x 8 inch box caused design have decidedly fat chunky look Esthetically too pleas ing real world honing ones piloting skills superb 09 engine small prop permitted short flat sheet dural LG strut used usual equipment malfunction ensuing spiral dive model met terra firma abrupt angle No hassle just straightened out LG strut kept flying engine sitting up top wasnt too often dirt would get flying school stayed open similar prang sophisticated ship meant trip back shop repairs flying RC job has always name game 40000 Trainer kits sold decade kit available Another early fifties kit Beam Lou Andrews quite literally companion piece DeBolts Trainer size price bulk About real difference trike landing gear Given same requirements two able designers will often come up mirrorimage solutions Inverted 09 engines often used Beams fairing neatly deep cowl kitted Guillow Corp Trainer Beam first designed RC kits welcome change sport FF kits used previously generally didnt withstand rigors RC flying Bill Wischer designed Zue went win rudder-only events 1960 1961 1962 Nats talented son model-building family Bill wanted ultimate rudder-only flyingwinning Nats three years row proved Bill used pulse rudder elementary form proportional control using large rudder obtain some violent results altitude could spin down build speed neutralize rudder continuous looping loss altitude pulse-proportional rudder permitted perfect tracking quick turn would reduce speed quick change intermediate engine speed held speed normal barrel roll held full rudder high throttle could roll continuously until model virtually out sight introduction full-house propo gear moderate prices Bills great skills became redundant Such price progress Bob Dolly Wischer Bills parents also flew own versions Zue success gifted son enjoyed Wischers developed super-powered servos using Bonner motors large nickel-cadmium batteries Re ceivers pulse omission detectors big ground-based transmitters home-made drag brake nose wheel snubber low throttle would stop model added taxi ability points July 1980 25 Bill designed Zue 16 now 35 employed Win Waithers whole sale firm head purchasing Since Walthers countrys prime model railroad jobber Bill has maintained parallel interest model rail roading told interesting sidelight Bob distinctly remember watching Carl Goldberg closely examining later streamlined Zues Nats origin Falcon 56 have often wondered Hmm Let us pause now reflect what has described above have shown what happened rudder-only flying Designwise Zue apex rudder-only refinement coincided bit later decline interest simpler models corresponding increase what building steadilymulti jobs Reed equip ment refined decade before Zue cover interest full house systems well need drop back decade time As interest multi-channel models grew Alex Schneider man beat developed Piper Cub semiscale job could inside outside loops some success inverted flight Cub originated Capital kit 7- 6 span powered Anderson Spitfire two-speed ignition engine Although glow popular time Alex preferred lighter model possible fuelefficient spark ignition Early versions weighed 7 pounds later about 9 pounds 125 inch chord NACA 6412 airfoil weight no problem Regarding piloting skill anecdote Bob Beckman flew Alex quite often Two days before 52 Nats went Alex test fly rebuilt Cub ls wing hold-down bands failed No problems now flew great Alex discussed vertical dive should done judges would know covered required 100 feet standing next Alex brought Cub directly overhead pushed over vertical dive Ive never seen airplane get big fast After abrupt pull out about 20 feet over heads Alex asked thought dive required 100 feet told him did way judges wouldnt matter long would sure know vertical Alex won Nats 52 54 55 Editors Note reed equipment Rockwood developed before war Hal DeBolt again Over Under design featured July 54 Air Trails Like counterpart Frisco Hal expanding aerobatics envelope inside outside loops level flight real vertical dives inverted flights half mile horizontal vertical eights rolls top off real tail spins done full-sized aircraft Hal led way use fat 15% symmetrical airfoils using true airfoils stabilizer too old routine washout wings now gave way flat wing panel spoiler boards inboard leading edges see plan view model reduced effects tip stall both inverted upright maneuvering high angles attack Dependable multi-channel RC gear now available hobbyists becoming sharper pilots due use bigger engines faster models Due better penetration windy weather became less factor flying within limits course Editors Note Reed system developed Schmidt Erie PA tired Rockwood reeds welding shut Smog Hog R E Bowen won multi-class RC 56 Nats Thoroughly de-bugged Howard Bonner flight tests Smog Hog appeared Model Airplane News Feb 57 issue ease building low maintenance tight maneuvers altitude loss peer Thousands built won share trophies Dependable engines such new throttle-equipped Veco 35 K&B 35 helped lot Some mighty handy injection-molded parts started appearing such tail-wheel bracket Smog Hog Clairol plastic bottles easily converted clunk tanks positive fuel flow maneuvering Astro Hog Fred Dunn resulted inability attend 57 Nats flying buddies Nats worked hard have real surprise upon return Aug 17th year prestigious LARKS Flying Circus meet Howard Bonner made maiden flight Dunn during lull contest Later upwards six local hot rock pilots took turns wringing out Freds maneuver able low-winger Bob Dunham Dean Kenny Ray Downs others flew endorsed two weeks Dunham Astro airborne followed Bonner countless others Plans appeared April 58 issue MAN As sixties era dawned Ed Kazmirskis Orion burst upon scene article introduced Orion June 60 MAN editor magazine Bill Winter made prophecy Orion capable hands would achieve new standards high performance Editors Note bought because might win world wide KazwentontowintheWorldChampiOri ships Zurich new K&B 45 better26 Model Aviation Milestones RC NO OCR TEXT 28 Model Aviation Milestones RC than-ever throttling dependability helped make Orion big hit Hal DeBolts Viscount introduced kit 1962 designed 1960 What made unusual new idea ultra-simple ailerons caught quickly Hal working flexible cable within curved metal tube improve upon bellcrank systems use aileron actuation friend Hals working engineer Bell Aircraft named Schroeder making full-scale Good year racer Strip ailerons used successfully Hal reasoned worth trying given up spoilers solution directional control tried strip ailerons great successthe rest history lighter weight greater torsional rigidity made strip ailerons less susceptible flutter bigger bugaboo hobbyists aware Viscount earliest designs featur ing proven practical retracts Hs particular system did catch commerci did point way other manufacture Conceived 1963 developed over fouryear period Kwik Fli Mark III won 67 Nats Phil Kraft Developed conjunction Kraft proportional gear Kwik Fli series featured basic simplicity obtain maximum flying minimum construction effort Phils burgeoning business allowed him sufficient time practice flying point became top contender both nationally world championship level Kwik Fli III plans published MAN Feb 68 kitted several firms Don Lowes Phoenix V another well-tested constantly improved design Don has very aptly named well-behaved bird has July 1980 29 Smiling Dave Brown Phoenix picture taken just prior Tenth RC World Cham pionships 1977 Dave now flies own Tiporare configuration rather like Curare Milestones RC wrung Out time time again literally rising its own ashes constantly improved versions Mark V version published inAinerican Air ModelerJuly 71 listed changes tried til Unlike other advanced-sounding marks others Dons design really has through mill both design competitionwise Mark VIII has recently announced know Don still trying harder ever better Representing ultimate current state th t f,rnr Hv H,5 Hanno Prettner has walked off considerable number prizes worldwide hype hoopla city Las Vegas has garnered its share cash prizes too has admit looks right way modicum wing sweep efficient landing/drag flaps manner working paraphernalia seven servos needed addition usual rudder elevator aileron throttle retract braking functions Curare has throttle mixture servo flap servo project raw beginner MAN published Dec 76 Curare poison used South American Indians arrows model cleverly namedwhen flown able pilot Curare poison indeed far compe tition concerned potent Webra 61 Speed RC engine supplies power efficient machine tuned pipe muffler lowers decibel rating 78reason able considering shrieking rpms now attained Schnuerle-ported engines closing author would like hear comments regarding article lot time spent research correspondence factual possible feels particular design has slighted let know Paul Plecan 3023 Saratoga St Riverside CA 92503 MA *tL *t1 Over 40 years progress world-beating designs Top Good Brothers Big Guff picture taken during pest WRAMS Show now hangs National Air & Space Museum As shown rudder elevator controls operated separate 4erm escapements driven two different receivers Below Probably skilled RC pilot world Hanno Prettner famous Curare incorporates own develonad features orovide excellent control over flying speed throulihout maneuvers oracticallv owns Las Vegas comoetition NO OCR TEXT
Edition: Model Aviation - 1980/07
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
NO OCR TEXT Text drawings Paul Plecan NOWADAYS average RC enthusiast accepts reliability light weight model maneuverability question Forty years ago different story will attempt briefly cover major advances state art leaning towards model aircraft rather electronics complex gadgetry very early pioneers like Ross Hull Clinton DeSoto developed basic electronic circuitry lightweight energy-efficient actu ators both magnetic rubber powered readers will relate readily what happened various Nationals designs presented rought chronological order some flown years prior publication bear mind Without much fanfare radio control event included 1937 Nationals Detroit Six models entered half got airborne three two promptly crashed after takeoff Chet Lanzo flew model well enough stand out among others thus took home two trophies brand new engine tuning RC gear quite critical Chet able make numerous success ful flights time 5 6 pounds usual weight airborne system Chet pared down 28 ounces model simple crutch-type futelage span 9 feet powered Baby Cyclone engine 1938 Nats Walt Good flew Big Guff 8-foot design loosely based old freeflight KG concept biggy also borrowed Walts FF Guff design proven contest winner Note generous dihedral helped restore stable flight control lost huge 6-in M&M airwheels cushioned landing impact Big Guff won rudder model escapement elevator two receivers capable pitch control 1939 Walt aided brother Bill licensed radio amateur doesnt hear term ham much moreseems like showbiz stole term Working team stayed ahead competition winning RC event 1940 1947 Big Guff appeared Air Trails Oct/Nov/Dec. 1940 issues Radart design Fran McElwee early designed RC models featured April 49 issue ofAir Trails compact 5footer Drone diesel swinging 10/6 prop little aileron left wing helped trim straight-ahead flight neutral Typical some models Radart helped trend toward com pactRCjobsyetwasnotmade inlarge numbers later trike gear version much popular seems later version dubbed Macs Robot Hoosier Hot Shot designed wellJuly 1980 23 Over4O years progress aircraft design presented remarkable job research faithful drawings Weve picked significant aircraft along way think otherswell 24 Model Aviation Milestones RC known modeler Ken Ernst Indianapolis Gene Foxworthy did flying authored construction article Air Trails May 50 Dennymite 14/8 prop used Note ample dihedral large wing slots twin rudders prior years free-flight models prone corkscrew ground fatal results once banked sharply under power began ever-steepening vicious circle Hot Shot however could circle tightly altitude loss slotted wings probably helped achieve Foxworthy told Bill Winter tested Hot Shot slot action day covered wing slots tape under power refused climb sped across Indianapolis Air port chest height pranged fence far end airport Having witnessed early flights Bill mentioned Gene noted high far out flights 40 wattsthe model mere speck against clouds long accurate approaches along runway slicing back forth over grass border no lift hot concrete lift control model would touch down Bills wordsI have seen him windy weather no else would fly low motor two-speed ignition holding ship nose high front himabout 25 50 feet away letting swerve drift 90 degrees right coming back hang up front him again going left etc. long wished play would spiral could turn tight Lots dihedral figured Walt Goods Rudder Bug perhaps milestone model came time interest RC growing leaps bounds hobbyists deeply involved reading sche matics perfecting soldering techniques 6-feet span powered DeLong 29 later Forster 29 model sturdy performed well interesting note airborne RC gear weighed pound yet provided rudder control neutral right left Appeared May June 49 issues Model Airplane News 5-foot version kitted Berkeley thousands sold Don Clark DCRC club scaled down Using original Bug Walt took first 49 Nats several subsequent Nats Rudder Bugs outnumbered other designs large margin Other times entries virtually Rudder Bugs First advertised early 1952 Hal DeBolts Live Wire Trainer featured removable box containing airborne gear 35 x 4 x 8 inch box caused design have decidedly fat chunky look Esthetically too pleas ing real world honing ones piloting skills superb 09 engine small prop permitted short flat sheet dural LG strut used usual equipment malfunction ensuing spiral dive model met terra firma abrupt angle No hassle just straightened out LG strut kept flying engine sitting up top wasnt too often dirt would get flying school stayed open similar prang sophisticated ship meant trip back shop repairs flying RC job has always name game 40000 Trainer kits sold decade kit available Another early fifties kit Beam Lou Andrews quite literally companion piece DeBolts Trainer size price bulk About real difference trike landing gear Given same requirements two able designers will often come up mirrorimage solutions Inverted 09 engines often used Beams fairing neatly deep cowl kitted Guillow Corp Trainer Beam first designed RC kits welcome change sport FF kits used previously generally didnt withstand rigors RC flying Bill Wischer designed Zue went win rudder-only events 1960 1961 1962 Nats talented son model-building family Bill wanted ultimate rudder-only flyingwinning Nats three years row proved Bill used pulse rudder elementary form proportional control using large rudder obtain some violent results altitude could spin down build speed neutralize rudder continuous looping loss altitude pulse-proportional rudder permitted perfect tracking quick turn would reduce speed quick change intermediate engine speed held speed normal barrel roll held full rudder high throttle could roll continuously until model virtually out sight introduction full-house propo gear moderate prices Bills great skills became redundant Such price progress Bob Dolly Wischer Bills parents also flew own versions Zue success gifted son enjoyed Wischers developed super-powered servos using Bonner motors large nickel-cadmium batteries Re ceivers pulse omission detectors big ground-based transmitters home-made drag brake nose wheel snubber low throttle would stop model added taxi ability points July 1980 25 Bill designed Zue 16 now 35 employed Win Waithers whole sale firm head purchasing Since Walthers countrys prime model railroad jobber Bill has maintained parallel interest model rail roading told interesting sidelight Bob distinctly remember watching Carl Goldberg closely examining later streamlined Zues Nats origin Falcon 56 have often wondered Hmm Let us pause now reflect what has described above have shown what happened rudder-only flying Designwise Zue apex rudder-only refinement coincided bit later decline interest simpler models corresponding increase what building steadilymulti jobs Reed equip ment refined decade before Zue cover interest full house systems well need drop back decade time As interest multi-channel models grew Alex Schneider man beat developed Piper Cub semiscale job could inside outside loops some success inverted flight Cub originated Capital kit 7- 6 span powered Anderson Spitfire two-speed ignition engine Although glow popular time Alex preferred lighter model possible fuelefficient spark ignition Early versions weighed 7 pounds later about 9 pounds 125 inch chord NACA 6412 airfoil weight no problem Regarding piloting skill anecdote Bob Beckman flew Alex quite often Two days before 52 Nats went Alex test fly rebuilt Cub ls wing hold-down bands failed No problems now flew great Alex discussed vertical dive should done judges would know covered required 100 feet standing next Alex brought Cub directly overhead pushed over vertical dive Ive never seen airplane get big fast After abrupt pull out about 20 feet over heads Alex asked thought dive required 100 feet told him did way judges wouldnt matter long would sure know vertical Alex won Nats 52 54 55 Editors Note reed equipment Rockwood developed before war Hal DeBolt again Over Under design featured July 54 Air Trails Like counterpart Frisco Hal expanding aerobatics envelope inside outside loops level flight real vertical dives inverted flights half mile horizontal vertical eights rolls top off real tail spins done full-sized aircraft Hal led way use fat 15% symmetrical airfoils using true airfoils stabilizer too old routine washout wings now gave way flat wing panel spoiler boards inboard leading edges see plan view model reduced effects tip stall both inverted upright maneuvering high angles attack Dependable multi-channel RC gear now available hobbyists becoming sharper pilots due use bigger engines faster models Due better penetration windy weather became less factor flying within limits course Editors Note Reed system developed Schmidt Erie PA tired Rockwood reeds welding shut Smog Hog R E Bowen won multi-class RC 56 Nats Thoroughly de-bugged Howard Bonner flight tests Smog Hog appeared Model Airplane News Feb 57 issue ease building low maintenance tight maneuvers altitude loss peer Thousands built won share trophies Dependable engines such new throttle-equipped Veco 35 K&B 35 helped lot Some mighty handy injection-molded parts started appearing such tail-wheel bracket Smog Hog Clairol plastic bottles easily converted clunk tanks positive fuel flow maneuvering Astro Hog Fred Dunn resulted inability attend 57 Nats flying buddies Nats worked hard have real surprise upon return Aug 17th year prestigious LARKS Flying Circus meet Howard Bonner made maiden flight Dunn during lull contest Later upwards six local hot rock pilots took turns wringing out Freds maneuver able low-winger Bob Dunham Dean Kenny Ray Downs others flew endorsed two weeks Dunham Astro airborne followed Bonner countless others Plans appeared April 58 issue MAN As sixties era dawned Ed Kazmirskis Orion burst upon scene article introduced Orion June 60 MAN editor magazine Bill Winter made prophecy Orion capable hands would achieve new standards high performance Editors Note bought because might win world wide KazwentontowintheWorldChampiOri ships Zurich new K&B 45 better26 Model Aviation Milestones RC NO OCR TEXT 28 Model Aviation Milestones RC than-ever throttling dependability helped make Orion big hit Hal DeBolts Viscount introduced kit 1962 designed 1960 What made unusual new idea ultra-simple ailerons caught quickly Hal working flexible cable within curved metal tube improve upon bellcrank systems use aileron actuation friend Hals working engineer Bell Aircraft named Schroeder making full-scale Good year racer Strip ailerons used successfully Hal reasoned worth trying given up spoilers solution directional control tried strip ailerons great successthe rest history lighter weight greater torsional rigidity made strip ailerons less susceptible flutter bigger bugaboo hobbyists aware Viscount earliest designs featur ing proven practical retracts Hs particular system did catch commerci did point way other manufacture Conceived 1963 developed over fouryear period Kwik Fli Mark III won 67 Nats Phil Kraft Developed conjunction Kraft proportional gear Kwik Fli series featured basic simplicity obtain maximum flying minimum construction effort Phils burgeoning business allowed him sufficient time practice flying point became top contender both nationally world championship level Kwik Fli III plans published MAN Feb 68 kitted several firms Don Lowes Phoenix V another well-tested constantly improved design Don has very aptly named well-behaved bird has July 1980 29 Smiling Dave Brown Phoenix picture taken just prior Tenth RC World Cham pionships 1977 Dave now flies own Tiporare configuration rather like Curare Milestones RC wrung Out time time again literally rising its own ashes constantly improved versions Mark V version published inAinerican Air ModelerJuly 71 listed changes tried til Unlike other advanced-sounding marks others Dons design really has through mill both design competitionwise Mark VIII has recently announced know Don still trying harder ever better Representing ultimate current state th t f,rnr Hv H,5 Hanno Prettner has walked off considerable number prizes worldwide hype hoopla city Las Vegas has garnered its share cash prizes too has admit looks right way modicum wing sweep efficient landing/drag flaps manner working paraphernalia seven servos needed addition usual rudder elevator aileron throttle retract braking functions Curare has throttle mixture servo flap servo project raw beginner MAN published Dec 76 Curare poison used South American Indians arrows model cleverly namedwhen flown able pilot Curare poison indeed far compe tition concerned potent Webra 61 Speed RC engine supplies power efficient machine tuned pipe muffler lowers decibel rating 78reason able considering shrieking rpms now attained Schnuerle-ported engines closing author would like hear comments regarding article lot time spent research correspondence factual possible feels particular design has slighted let know Paul Plecan 3023 Saratoga St Riverside CA 92503 MA *tL *t1 Over 40 years progress world-beating designs Top Good Brothers Big Guff picture taken during pest WRAMS Show now hangs National Air & Space Museum As shown rudder elevator controls operated separate 4erm escapements driven two different receivers Below Probably skilled RC pilot world Hanno Prettner famous Curare incorporates own develonad features orovide excellent control over flying speed throulihout maneuvers oracticallv owns Las Vegas comoetition NO OCR TEXT
Edition: Model Aviation - 1980/07
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
NO OCR TEXT Text drawings Paul Plecan NOWADAYS average RC enthusiast accepts reliability light weight model maneuverability question Forty years ago different story will attempt briefly cover major advances state art leaning towards model aircraft rather electronics complex gadgetry very early pioneers like Ross Hull Clinton DeSoto developed basic electronic circuitry lightweight energy-efficient actu ators both magnetic rubber powered readers will relate readily what happened various Nationals designs presented rought chronological order some flown years prior publication bear mind Without much fanfare radio control event included 1937 Nationals Detroit Six models entered half got airborne three two promptly crashed after takeoff Chet Lanzo flew model well enough stand out among others thus took home two trophies brand new engine tuning RC gear quite critical Chet able make numerous success ful flights time 5 6 pounds usual weight airborne system Chet pared down 28 ounces model simple crutch-type futelage span 9 feet powered Baby Cyclone engine 1938 Nats Walt Good flew Big Guff 8-foot design loosely based old freeflight KG concept biggy also borrowed Walts FF Guff design proven contest winner Note generous dihedral helped restore stable flight control lost huge 6-in M&M airwheels cushioned landing impact Big Guff won rudder model escapement elevator two receivers capable pitch control 1939 Walt aided brother Bill licensed radio amateur doesnt hear term ham much moreseems like showbiz stole term Working team stayed ahead competition winning RC event 1940 1947 Big Guff appeared Air Trails Oct/Nov/Dec. 1940 issues Radart design Fran McElwee early designed RC models featured April 49 issue ofAir Trails compact 5footer Drone diesel swinging 10/6 prop little aileron left wing helped trim straight-ahead flight neutral Typical some models Radart helped trend toward com pactRCjobsyetwasnotmade inlarge numbers later trike gear version much popular seems later version dubbed Macs Robot Hoosier Hot Shot designed wellJuly 1980 23 Over4O years progress aircraft design presented remarkable job research faithful drawings Weve picked significant aircraft along way think otherswell 24 Model Aviation Milestones RC known modeler Ken Ernst Indianapolis Gene Foxworthy did flying authored construction article Air Trails May 50 Dennymite 14/8 prop used Note ample dihedral large wing slots twin rudders prior years free-flight models prone corkscrew ground fatal results once banked sharply under power began ever-steepening vicious circle Hot Shot however could circle tightly altitude loss slotted wings probably helped achieve Foxworthy told Bill Winter tested Hot Shot slot action day covered wing slots tape under power refused climb sped across Indianapolis Air port chest height pranged fence far end airport Having witnessed early flights Bill mentioned Gene noted high far out flights 40 wattsthe model mere speck against clouds long accurate approaches along runway slicing back forth over grass border no lift hot concrete lift control model would touch down Bills wordsI have seen him windy weather no else would fly low motor two-speed ignition holding ship nose high front himabout 25 50 feet away letting swerve drift 90 degrees right coming back hang up front him again going left etc. long wished play would spiral could turn tight Lots dihedral figured Walt Goods Rudder Bug perhaps milestone model came time interest RC growing leaps bounds hobbyists deeply involved reading sche matics perfecting soldering techniques 6-feet span powered DeLong 29 later Forster 29 model sturdy performed well interesting note airborne RC gear weighed pound yet provided rudder control neutral right left Appeared May June 49 issues Model Airplane News 5-foot version kitted Berkeley thousands sold Don Clark DCRC club scaled down Using original Bug Walt took first 49 Nats several subsequent Nats Rudder Bugs outnumbered other designs large margin Other times entries virtually Rudder Bugs First advertised early 1952 Hal DeBolts Live Wire Trainer featured removable box containing airborne gear 35 x 4 x 8 inch box caused design have decidedly fat chunky look Esthetically too pleas ing real world honing ones piloting skills superb 09 engine small prop permitted short flat sheet dural LG strut used usual equipment malfunction ensuing spiral dive model met terra firma abrupt angle No hassle just straightened out LG strut kept flying engine sitting up top wasnt too often dirt would get flying school stayed open similar prang sophisticated ship meant trip back shop repairs flying RC job has always name game 40000 Trainer kits sold decade kit available Another early fifties kit Beam Lou Andrews quite literally companion piece DeBolts Trainer size price bulk About real difference trike landing gear Given same requirements two able designers will often come up mirrorimage solutions Inverted 09 engines often used Beams fairing neatly deep cowl kitted Guillow Corp Trainer Beam first designed RC kits welcome change sport FF kits used previously generally didnt withstand rigors RC flying Bill Wischer designed Zue went win rudder-only events 1960 1961 1962 Nats talented son model-building family Bill wanted ultimate rudder-only flyingwinning Nats three years row proved Bill used pulse rudder elementary form proportional control using large rudder obtain some violent results altitude could spin down build speed neutralize rudder continuous looping loss altitude pulse-proportional rudder permitted perfect tracking quick turn would reduce speed quick change intermediate engine speed held speed normal barrel roll held full rudder high throttle could roll continuously until model virtually out sight introduction full-house propo gear moderate prices Bills great skills became redundant Such price progress Bob Dolly Wischer Bills parents also flew own versions Zue success gifted son enjoyed Wischers developed super-powered servos using Bonner motors large nickel-cadmium batteries Re ceivers pulse omission detectors big ground-based transmitters home-made drag brake nose wheel snubber low throttle would stop model added taxi ability points July 1980 25 Bill designed Zue 16 now 35 employed Win Waithers whole sale firm head purchasing Since Walthers countrys prime model railroad jobber Bill has maintained parallel interest model rail roading told interesting sidelight Bob distinctly remember watching Carl Goldberg closely examining later streamlined Zues Nats origin Falcon 56 have often wondered Hmm Let us pause now reflect what has described above have shown what happened rudder-only flying Designwise Zue apex rudder-only refinement coincided bit later decline interest simpler models corresponding increase what building steadilymulti jobs Reed equip ment refined decade before Zue cover interest full house systems well need drop back decade time As interest multi-channel models grew Alex Schneider man beat developed Piper Cub semiscale job could inside outside loops some success inverted flight Cub originated Capital kit 7- 6 span powered Anderson Spitfire two-speed ignition engine Although glow popular time Alex preferred lighter model possible fuelefficient spark ignition Early versions weighed 7 pounds later about 9 pounds 125 inch chord NACA 6412 airfoil weight no problem Regarding piloting skill anecdote Bob Beckman flew Alex quite often Two days before 52 Nats went Alex test fly rebuilt Cub ls wing hold-down bands failed No problems now flew great Alex discussed vertical dive should done judges would know covered required 100 feet standing next Alex brought Cub directly overhead pushed over vertical dive Ive never seen airplane get big fast After abrupt pull out about 20 feet over heads Alex asked thought dive required 100 feet told him did way judges wouldnt matter long would sure know vertical Alex won Nats 52 54 55 Editors Note reed equipment Rockwood developed before war Hal DeBolt again Over Under design featured July 54 Air Trails Like counterpart Frisco Hal expanding aerobatics envelope inside outside loops level flight real vertical dives inverted flights half mile horizontal vertical eights rolls top off real tail spins done full-sized aircraft Hal led way use fat 15% symmetrical airfoils using true airfoils stabilizer too old routine washout wings now gave way flat wing panel spoiler boards inboard leading edges see plan view model reduced effects tip stall both inverted upright maneuvering high angles attack Dependable multi-channel RC gear now available hobbyists becoming sharper pilots due use bigger engines faster models Due better penetration windy weather became less factor flying within limits course Editors Note Reed system developed Schmidt Erie PA tired Rockwood reeds welding shut Smog Hog R E Bowen won multi-class RC 56 Nats Thoroughly de-bugged Howard Bonner flight tests Smog Hog appeared Model Airplane News Feb 57 issue ease building low maintenance tight maneuvers altitude loss peer Thousands built won share trophies Dependable engines such new throttle-equipped Veco 35 K&B 35 helped lot Some mighty handy injection-molded parts started appearing such tail-wheel bracket Smog Hog Clairol plastic bottles easily converted clunk tanks positive fuel flow maneuvering Astro Hog Fred Dunn resulted inability attend 57 Nats flying buddies Nats worked hard have real surprise upon return Aug 17th year prestigious LARKS Flying Circus meet Howard Bonner made maiden flight Dunn during lull contest Later upwards six local hot rock pilots took turns wringing out Freds maneuver able low-winger Bob Dunham Dean Kenny Ray Downs others flew endorsed two weeks Dunham Astro airborne followed Bonner countless others Plans appeared April 58 issue MAN As sixties era dawned Ed Kazmirskis Orion burst upon scene article introduced Orion June 60 MAN editor magazine Bill Winter made prophecy Orion capable hands would achieve new standards high performance Editors Note bought because might win world wide KazwentontowintheWorldChampiOri ships Zurich new K&B 45 better26 Model Aviation Milestones RC NO OCR TEXT 28 Model Aviation Milestones RC than-ever throttling dependability helped make Orion big hit Hal DeBolts Viscount introduced kit 1962 designed 1960 What made unusual new idea ultra-simple ailerons caught quickly Hal working flexible cable within curved metal tube improve upon bellcrank systems use aileron actuation friend Hals working engineer Bell Aircraft named Schroeder making full-scale Good year racer Strip ailerons used successfully Hal reasoned worth trying given up spoilers solution directional control tried strip ailerons great successthe rest history lighter weight greater torsional rigidity made strip ailerons less susceptible flutter bigger bugaboo hobbyists aware Viscount earliest designs featur ing proven practical retracts Hs particular system did catch commerci did point way other manufacture Conceived 1963 developed over fouryear period Kwik Fli Mark III won 67 Nats Phil Kraft Developed conjunction Kraft proportional gear Kwik Fli series featured basic simplicity obtain maximum flying minimum construction effort Phils burgeoning business allowed him sufficient time practice flying point became top contender both nationally world championship level Kwik Fli III plans published MAN Feb 68 kitted several firms Don Lowes Phoenix V another well-tested constantly improved design Don has very aptly named well-behaved bird has July 1980 29 Smiling Dave Brown Phoenix picture taken just prior Tenth RC World Cham pionships 1977 Dave now flies own Tiporare configuration rather like Curare Milestones RC wrung Out time time again literally rising its own ashes constantly improved versions Mark V version published inAinerican Air ModelerJuly 71 listed changes tried til Unlike other advanced-sounding marks others Dons design really has through mill both design competitionwise Mark VIII has recently announced know Don still trying harder ever better Representing ultimate current state th t f,rnr Hv H,5 Hanno Prettner has walked off considerable number prizes worldwide hype hoopla city Las Vegas has garnered its share cash prizes too has admit looks right way modicum wing sweep efficient landing/drag flaps manner working paraphernalia seven servos needed addition usual rudder elevator aileron throttle retract braking functions Curare has throttle mixture servo flap servo project raw beginner MAN published Dec 76 Curare poison used South American Indians arrows model cleverly namedwhen flown able pilot Curare poison indeed far compe tition concerned potent Webra 61 Speed RC engine supplies power efficient machine tuned pipe muffler lowers decibel rating 78reason able considering shrieking rpms now attained Schnuerle-ported engines closing author would like hear comments regarding article lot time spent research correspondence factual possible feels particular design has slighted let know Paul Plecan 3023 Saratoga St Riverside CA 92503 MA *tL *t1 Over 40 years progress world-beating designs Top Good Brothers Big Guff picture taken during pest WRAMS Show now hangs National Air & Space Museum As shown rudder elevator controls operated separate 4erm escapements driven two different receivers Below Probably skilled RC pilot world Hanno Prettner famous Curare incorporates own develonad features orovide excellent control over flying speed throulihout maneuvers oracticallv owns Las Vegas comoetition NO OCR TEXT
Edition: Model Aviation - 1980/07
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
NO OCR TEXT Text drawings Paul Plecan NOWADAYS average RC enthusiast accepts reliability light weight model maneuverability question Forty years ago different story will attempt briefly cover major advances state art leaning towards model aircraft rather electronics complex gadgetry very early pioneers like Ross Hull Clinton DeSoto developed basic electronic circuitry lightweight energy-efficient actu ators both magnetic rubber powered readers will relate readily what happened various Nationals designs presented rought chronological order some flown years prior publication bear mind Without much fanfare radio control event included 1937 Nationals Detroit Six models entered half got airborne three two promptly crashed after takeoff Chet Lanzo flew model well enough stand out among others thus took home two trophies brand new engine tuning RC gear quite critical Chet able make numerous success ful flights time 5 6 pounds usual weight airborne system Chet pared down 28 ounces model simple crutch-type futelage span 9 feet powered Baby Cyclone engine 1938 Nats Walt Good flew Big Guff 8-foot design loosely based old freeflight KG concept biggy also borrowed Walts FF Guff design proven contest winner Note generous dihedral helped restore stable flight control lost huge 6-in M&M airwheels cushioned landing impact Big Guff won rudder model escapement elevator two receivers capable pitch control 1939 Walt aided brother Bill licensed radio amateur doesnt hear term ham much moreseems like showbiz stole term Working team stayed ahead competition winning RC event 1940 1947 Big Guff appeared Air Trails Oct/Nov/Dec. 1940 issues Radart design Fran McElwee early designed RC models featured April 49 issue ofAir Trails compact 5footer Drone diesel swinging 10/6 prop little aileron left wing helped trim straight-ahead flight neutral Typical some models Radart helped trend toward com pactRCjobsyetwasnotmade inlarge numbers later trike gear version much popular seems later version dubbed Macs Robot Hoosier Hot Shot designed wellJuly 1980 23 Over4O years progress aircraft design presented remarkable job research faithful drawings Weve picked significant aircraft along way think otherswell 24 Model Aviation Milestones RC known modeler Ken Ernst Indianapolis Gene Foxworthy did flying authored construction article Air Trails May 50 Dennymite 14/8 prop used Note ample dihedral large wing slots twin rudders prior years free-flight models prone corkscrew ground fatal results once banked sharply under power began ever-steepening vicious circle Hot Shot however could circle tightly altitude loss slotted wings probably helped achieve Foxworthy told Bill Winter tested Hot Shot slot action day covered wing slots tape under power refused climb sped across Indianapolis Air port chest height pranged fence far end airport Having witnessed early flights Bill mentioned Gene noted high far out flights 40 wattsthe model mere speck against clouds long accurate approaches along runway slicing back forth over grass border no lift hot concrete lift control model would touch down Bills wordsI have seen him windy weather no else would fly low motor two-speed ignition holding ship nose high front himabout 25 50 feet away letting swerve drift 90 degrees right coming back hang up front him again going left etc. long wished play would spiral could turn tight Lots dihedral figured Walt Goods Rudder Bug perhaps milestone model came time interest RC growing leaps bounds hobbyists deeply involved reading sche matics perfecting soldering techniques 6-feet span powered DeLong 29 later Forster 29 model sturdy performed well interesting note airborne RC gear weighed pound yet provided rudder control neutral right left Appeared May June 49 issues Model Airplane News 5-foot version kitted Berkeley thousands sold Don Clark DCRC club scaled down Using original Bug Walt took first 49 Nats several subsequent Nats Rudder Bugs outnumbered other designs large margin Other times entries virtually Rudder Bugs First advertised early 1952 Hal DeBolts Live Wire Trainer featured removable box containing airborne gear 35 x 4 x 8 inch box caused design have decidedly fat chunky look Esthetically too pleas ing real world honing ones piloting skills superb 09 engine small prop permitted short flat sheet dural LG strut used usual equipment malfunction ensuing spiral dive model met terra firma abrupt angle No hassle just straightened out LG strut kept flying engine sitting up top wasnt too often dirt would get flying school stayed open similar prang sophisticated ship meant trip back shop repairs flying RC job has always name game 40000 Trainer kits sold decade kit available Another early fifties kit Beam Lou Andrews quite literally companion piece DeBolts Trainer size price bulk About real difference trike landing gear Given same requirements two able designers will often come up mirrorimage solutions Inverted 09 engines often used Beams fairing neatly deep cowl kitted Guillow Corp Trainer Beam first designed RC kits welcome change sport FF kits used previously generally didnt withstand rigors RC flying Bill Wischer designed Zue went win rudder-only events 1960 1961 1962 Nats talented son model-building family Bill wanted ultimate rudder-only flyingwinning Nats three years row proved Bill used pulse rudder elementary form proportional control using large rudder obtain some violent results altitude could spin down build speed neutralize rudder continuous looping loss altitude pulse-proportional rudder permitted perfect tracking quick turn would reduce speed quick change intermediate engine speed held speed normal barrel roll held full rudder high throttle could roll continuously until model virtually out sight introduction full-house propo gear moderate prices Bills great skills became redundant Such price progress Bob Dolly Wischer Bills parents also flew own versions Zue success gifted son enjoyed Wischers developed super-powered servos using Bonner motors large nickel-cadmium batteries Re ceivers pulse omission detectors big ground-based transmitters home-made drag brake nose wheel snubber low throttle would stop model added taxi ability points July 1980 25 Bill designed Zue 16 now 35 employed Win Waithers whole sale firm head purchasing Since Walthers countrys prime model railroad jobber Bill has maintained parallel interest model rail roading told interesting sidelight Bob distinctly remember watching Carl Goldberg closely examining later streamlined Zues Nats origin Falcon 56 have often wondered Hmm Let us pause now reflect what has described above have shown what happened rudder-only flying Designwise Zue apex rudder-only refinement coincided bit later decline interest simpler models corresponding increase what building steadilymulti jobs Reed equip ment refined decade before Zue cover interest full house systems well need drop back decade time As interest multi-channel models grew Alex Schneider man beat developed Piper Cub semiscale job could inside outside loops some success inverted flight Cub originated Capital kit 7- 6 span powered Anderson Spitfire two-speed ignition engine Although glow popular time Alex preferred lighter model possible fuelefficient spark ignition Early versions weighed 7 pounds later about 9 pounds 125 inch chord NACA 6412 airfoil weight no problem Regarding piloting skill anecdote Bob Beckman flew Alex quite often Two days before 52 Nats went Alex test fly rebuilt Cub ls wing hold-down bands failed No problems now flew great Alex discussed vertical dive should done judges would know covered required 100 feet standing next Alex brought Cub directly overhead pushed over vertical dive Ive never seen airplane get big fast After abrupt pull out about 20 feet over heads Alex asked thought dive required 100 feet told him did way judges wouldnt matter long would sure know vertical Alex won Nats 52 54 55 Editors Note reed equipment Rockwood developed before war Hal DeBolt again Over Under design featured July 54 Air Trails Like counterpart Frisco Hal expanding aerobatics envelope inside outside loops level flight real vertical dives inverted flights half mile horizontal vertical eights rolls top off real tail spins done full-sized aircraft Hal led way use fat 15% symmetrical airfoils using true airfoils stabilizer too old routine washout wings now gave way flat wing panel spoiler boards inboard leading edges see plan view model reduced effects tip stall both inverted upright maneuvering high angles attack Dependable multi-channel RC gear now available hobbyists becoming sharper pilots due use bigger engines faster models Due better penetration windy weather became less factor flying within limits course Editors Note Reed system developed Schmidt Erie PA tired Rockwood reeds welding shut Smog Hog R E Bowen won multi-class RC 56 Nats Thoroughly de-bugged Howard Bonner flight tests Smog Hog appeared Model Airplane News Feb 57 issue ease building low maintenance tight maneuvers altitude loss peer Thousands built won share trophies Dependable engines such new throttle-equipped Veco 35 K&B 35 helped lot Some mighty handy injection-molded parts started appearing such tail-wheel bracket Smog Hog Clairol plastic bottles easily converted clunk tanks positive fuel flow maneuvering Astro Hog Fred Dunn resulted inability attend 57 Nats flying buddies Nats worked hard have real surprise upon return Aug 17th year prestigious LARKS Flying Circus meet Howard Bonner made maiden flight Dunn during lull contest Later upwards six local hot rock pilots took turns wringing out Freds maneuver able low-winger Bob Dunham Dean Kenny Ray Downs others flew endorsed two weeks Dunham Astro airborne followed Bonner countless others Plans appeared April 58 issue MAN As sixties era dawned Ed Kazmirskis Orion burst upon scene article introduced Orion June 60 MAN editor magazine Bill Winter made prophecy Orion capable hands would achieve new standards high performance Editors Note bought because might win world wide KazwentontowintheWorldChampiOri ships Zurich new K&B 45 better26 Model Aviation Milestones RC NO OCR TEXT 28 Model Aviation Milestones RC than-ever throttling dependability helped make Orion big hit Hal DeBolts Viscount introduced kit 1962 designed 1960 What made unusual new idea ultra-simple ailerons caught quickly Hal working flexible cable within curved metal tube improve upon bellcrank systems use aileron actuation friend Hals working engineer Bell Aircraft named Schroeder making full-scale Good year racer Strip ailerons used successfully Hal reasoned worth trying given up spoilers solution directional control tried strip ailerons great successthe rest history lighter weight greater torsional rigidity made strip ailerons less susceptible flutter bigger bugaboo hobbyists aware Viscount earliest designs featur ing proven practical retracts Hs particular system did catch commerci did point way other manufacture Conceived 1963 developed over fouryear period Kwik Fli Mark III won 67 Nats Phil Kraft Developed conjunction Kraft proportional gear Kwik Fli series featured basic simplicity obtain maximum flying minimum construction effort Phils burgeoning business allowed him sufficient time practice flying point became top contender both nationally world championship level Kwik Fli III plans published MAN Feb 68 kitted several firms Don Lowes Phoenix V another well-tested constantly improved design Don has very aptly named well-behaved bird has July 1980 29 Smiling Dave Brown Phoenix picture taken just prior Tenth RC World Cham pionships 1977 Dave now flies own Tiporare configuration rather like Curare Milestones RC wrung Out time time again literally rising its own ashes constantly improved versions Mark V version published inAinerican Air ModelerJuly 71 listed changes tried til Unlike other advanced-sounding marks others Dons design really has through mill both design competitionwise Mark VIII has recently announced know Don still trying harder ever better Representing ultimate current state th t f,rnr Hv H,5 Hanno Prettner has walked off considerable number prizes worldwide hype hoopla city Las Vegas has garnered its share cash prizes too has admit looks right way modicum wing sweep efficient landing/drag flaps manner working paraphernalia seven servos needed addition usual rudder elevator aileron throttle retract braking functions Curare has throttle mixture servo flap servo project raw beginner MAN published Dec 76 Curare poison used South American Indians arrows model cleverly namedwhen flown able pilot Curare poison indeed far compe tition concerned potent Webra 61 Speed RC engine supplies power efficient machine tuned pipe muffler lowers decibel rating 78reason able considering shrieking rpms now attained Schnuerle-ported engines closing author would like hear comments regarding article lot time spent research correspondence factual possible feels particular design has slighted let know Paul Plecan 3023 Saratoga St Riverside CA 92503 MA *tL *t1 Over 40 years progress world-beating designs Top Good Brothers Big Guff picture taken during pest WRAMS Show now hangs National Air & Space Museum As shown rudder elevator controls operated separate 4erm escapements driven two different receivers Below Probably skilled RC pilot world Hanno Prettner famous Curare incorporates own develonad features orovide excellent control over flying speed throulihout maneuvers oracticallv owns Las Vegas comoetition NO OCR TEXT