Top Bill Winters RC Special scaled down 61 -in span mo ified three-channel photographed Fredericksburg VA ii 1982 help Ralph Davis Winter designed version ii late 70s originally powered K&B 19 subse quently uprated through 05 30 SuperTigre 35 finally F SuperTigre 46 Bill Kaluf handles booster Bill Winter flips ti start picture clearly shows correct vertical outline thi wider chord rudder Left Bill Winter right Bill Kaluf witi Kalufs later four-channel flaps-and-aileron Winter Special fron AMA Museum occasion models donation stil hangs today Above Bill Winters three-channel RC Specia photographed John Preston 1977 making low slow flyby lt steep dihedral angle permitted hands-off gentle 360s automat ic recovery original heading altitude model also hai ability soar thermalsa feature diminished later ver sions increases chord area reduced dihedral IF THERE WERE DC-3 model avia tion very top contenders thi title would Bill Winters classic design RC Special Designed Bill th ec 24 Model Aviation Now 5 1940s Special has resurrected over years minor modifications size changes number modelers well Winter himself its latest ver sion fun fly design will detailed Part Two model could very easily reach same 50-year service life plateau venerable Douglas Bill Winters models have always crystal lized essence classic design Special isnt Rearwin Speedster Piper J-3 Gullwing Stinson like Winters designs has proportions lines complement Golden Age Aviation classics Beyond outstanding looks Winters designs distinguished fly Bill concerned realistic honest per formance characteristics come through Special evidenced countless testimonials have built flown versions fact probably other factor solid realistic flight performance has responsible longevity design following paragraph Mervyn Buckmaster editor Airborne Australian model magazine illustrates point [There is] no other RC design almost 40 years old still continuously flown lone is] converted old-time Free Flight model use today still has fu ture original RC Special designed 1947 Bill Winter prototype built modeling great Walt Schroder did initial testing also flown late Cal Smith model 6-ft 7our decades development pioneer design climaxed e-of-the-art sport machine combines realism good a smooth-flying ultrastable performer unexpected abilitysuch rolling 360s youre up Part ne two EJohn Hunton Bill Winter March 1990 25 Left Ken Makepeace Little Rock AR RC Special built 1987 plans given him Bill Kaluf Ken made further modifications wing tips fin base nose model flaps ailerons powered Saito 60 four-stroker first RC Special series capable doing rolling 360s Above Photographer HA Thomas snapped Kens RC Special floating flaps down its final approach Editors note past few years Bill Winter has collaborated some unique folks Bill Evans 510 Motion Simitar Chet Lanzo presenting 1934 RC-1 elec tronic gimmickry day now John Hunton varied accomplish ments include design AMA Head quarters contributions field RPVs last collaboration almost didnt happen Winter cleaning house salvaged file RC Spe cial Hunton because aware ness Johns interest history fluke led anotherwith happy result understand Huntons ren dition 47188 RC Special barn burner article first two parts presents short history con tinuous use Bill Winters design trac ing its evolution years prior Korean War present rare 1950 photograph original RO Special depicts Bob Beckman preparing Bob built model fleet service Mediterranean bottom-hinged doors afforded access tube receiver typically mountei days rubberfrom corners its base cabin hooks relay extremely sensitive vi Bill Winter states receivers sling-shotted smithereens crashes Above Tom Schmitt photographed latest version RC Special 1988 cruised model product collaboration between Bill Winter original designer RC Special John Hunton Both gentlemen believe no further improvements could made enhance its intended flight envelope fully acrobatic airplane covered red silk dope commemorate 1947 pioneer Below left Viewing fuselage rear can see fairs smoothly tail facilitating air flow control re sponse special note top-hinged aileron mounted tapered spar intersecting elliptical wing tip producing noticeable washout building twist wing low right nose 47/88 Special displays its clean lines Details Huntons tight true-pressure cowl leaves no protuberance whatever included upcoming plans may have thought God want man fly would have c first flight huge stabilizer later years reduced greatly percentage area struck head upon launch tI model flew evidence co trol did land small airport tI short second flight landed airpo runway close under obviqus contro No control flights wandered wh seemed miles always ended up ti general vicinity launch point 0 ing field Since never gave up positionir escapement model free-flighte months No yo didnt arguments 1948 RC Special design put lished Mechanix Illustrated readership over 500000 people w also published MI Modelers Annual 1950 Ml article gives some interesi ing background basic design cor cepts Special grew out Winters di wingspan powered Ohis son Rice 60 novel feature de sign Wakefield-type knock-off wing tongue-and-box prototype flew well begin ning Bill recalls its early flights Wait Schroder insisted never control insisted controlled wayan argument unsettled day Bill Winter Actually Walt did test hand-launchinghe refused have thing flying himself Since pilot task fell time cussions Good brothers Ji Walker Gene Foxworthy Harry Guyej Ed Lorenz others receiver II single-tube superregenerati Good Brothers type using 50-54 meg cycle band Control rudder rubber-powered four-arm escap Left Bill Winter displaying another Jo.. po n, a,v upiiii uwIIg v John used fully cantilevered quick-remc.ig lowe .. thirds span uriurd top wing nere saigni rq duction speed otherwise model miuverable Right Bill Winter left John Hunton showing off latest col laborative effort 47/88 Special model weighs about 5l/41b powered OS 40 engine has wingspan about 61 26 Model AviationI lent thereby necessitating stable low-flying model RC Special ilit specifications also Liided philosophy its designer Realism appearance flight will lp promote RC Vinter single-tube superregenerative ceiver before superheterodynes iing air could hit weighed 18 z batteries receiver idled /2 mils dropped signal about 4 mils current change caused polarized re sy pull drop out Range mit vision radio system reliable new its demands receiver nna length determined snipping ff 4-in increments until A0-mil rise oted meter milliammeter also used luring tuning session nounted phone jack inserted ide fuselage sweep knob 2 NO AlL ~4ei ~JLK CON3 TRIM rAy Msc MNI CAL 4C7 ~TAlLrZE TONGLJB ANW ow&a5cAPamrr\ g big black transmitter hand held un dreamed used preflight tun ing helper walked out plane pi lot heard escapement click off swept dial tuning knob transmitter being positioned midway between two audible points pressing transmitter keying switch hold closed yielded half-right releasing caused fullright producing continuous tight turn Holding again yielded half-right re leasing gave neutral same sequence repeated make stop left turn Two consecutive turns same direction required going through opposite rudder back neutral back turn again learned talk oneself out loud keep track plane now would next fly RC days needed ham radio license required learning Morse code Winter The great majority folks no ticket Transmitter anten nas Y-shaped poles called folded dipoles stood almost high om Rumored presence meet dreaded FCC inspector caused phalanx antennas fold up drop quickly grassleaving few hams fly win control maneuvers could wereaccomplished rudder no engine control quite amazing up straight flight down spiral Ac cording Bill Winter good landing could made flaring spiral flight batteries weighed over pound large dipole antenna required make system work transmitter mounted rigidly antenna see sketch Winter Actually flared landing made initiating turn close ground returning quickly straight pathlike picking up wing lightplane landing kicking rudder same procedure prolonged spiral alti tude resulted either whip stall sought-after loop due excess airspeed lift climb would clear say tree gently rocking plane back forth rudder would result needed extra climb low power nothing rud der control such now-forgotten techniques essential fliers who built Winters realis AWENNA TANMIL MOtA4IIP Ot4 ftb-r BUTT NOTE 7H4 IWH 4W p16 77F GALt i I VIaWG TgANM TTJN& STATIN SETCJ4 J PlOLE Left original RC Special designed Bill Winter 1947 built Walt Schroder carried Good Brothers single-tube receiver weigh ing 18 oz including battery actuated via relay escapement rudder-only nonproportional control Plans published Mechanix Illustrated 1948 publishers Model Builders Annual 1950 Widely built model continuously updated until well proportional era Right Early man state-of-the-art Ia 1940s 1950s Good Brothers transmitting station dipole antenna Beacon Electronics crude especially todays standards system relatively reliable excellent range March 1990 27 I-jg g/c 5FCJAL 47 tic honest-flying model included noted Gi ant Scale author Bob Beckman shown Special 1950 photo Plans original design still available Glea son Enterprises 1704 29th Ave SE Rt 2 Box 125 Austin MN 55912 Scaled-down RC Special Three-channel Control 1970s Bill Winter reinterpreted basic RC Special design scaled-down version three-channel radio control published updated model Septem ber 1980 Model Aviation coinci dentally last issue under editorship scaled-down Special 61 4-in span designed help Ralph Davis Portsmouth VA Initially powered K&B 19 engine plane uprated OS 30 SuperTigre 35 finally SuperTigre 46 19-powered model flew gracefully could execute spins loops higher power versions course got fancier Winter Ralph sent tearsheets 1948 Mechanix Illustrated pictures enlarged modernized version com plete cowl inverted engine ailerons very little dihedral fourth Special looked like Rearwin Speed ster flew air shows clipping al lowed scale down original model Since scaling affects area square smaller version structurally modified flew like modern cabin sport model because wing loading climbed 22-23 oz/sq ft three-channel sportier version re tained realistic looks flight charac teristics original design Bill recalls comments like following about 1970s edition have allowed stran gers take over flighteven didnt know flown radio Some wring outspins snaps Most hardly touch just fly mouths hanging open say Thats nice Again tracked per fectly climbed moderately [with] phenom enal smoothness response [made delightfully groovy turns Bill goes found utter disbelief thi machine soared like crazy warm da vagrant lift rudder pro file published September 1980 Mi incorrect see two-view correc outline Model Aviation article also includes three-view variant tricycle landin gear semisymmetrical airfoil Davis Special Bill Winter recalls 1950 RC Spe cial out sight out mind Unknowj however people building years passed refined de veloped take advantage ever-improv ing radio systems advanced flying tech niques such effort Ralph Davis built four versions Special usc PIH&DAL 61 l/ SPAN K~ PCIAL 77 Eli 40 00 Z H~AL FLA APII 0 PECJAL LL ALLIF g IJL Left In 1977 Bill Winter went home scaled-down three-channel version successfully flown range engines K&B 19 SuperTigre 46 stunning ability soar thermals couldnt fully explained plans published Model Aviafion 1980 Right 1983 Bill Kaluf built version Winter redesigned flaps ailerons two degrees dihedral four-channel version published Australias Airborne magazine airplane powered OS 40 four-stroke engine 28 Model Aviation 0 0 Il4I ii TO46 ow team work 1970s version has barn core wings Winter Davis first model circa 1950 Neighed 12 lb first RC srea have takeoff abilitypowered Fox 35 curved planform outer area alphs wings beautiful fourth ver ion achieved open structure dded parallel-edged inner-wing foam ores Ralphs big show model ailerons Lnd very little dihedral Bill Kalufs Special uring early Eighties William Kaluf reated another update Bill Winters RC special Kaluf comments EThel design erested model classic good ooks ability soar Working Bill Winter both mail over vis ts Kaluf developed design incorpor sted flaps ailerons well longer nose As Kaluf explains like mod els look like full-scale airplanes Kalufs Special powered 05 40 four-stroke published July-August 1984 issue Airborne maga zine Plans probably still available Airborne 11 Cornwall Close Tullama rine Victoria 3043 Australia model now exhibit AMA Museum Ed itor Hurst Bowers museum curator has special prints Airborne plans avail able $500 goes AMA Library Museum Winter During visits Fredericksburg VA often flew Bill Kaluf Once engine off soared threechannel Special extreme altitude between two towering cumulus clouds Since un known reasons turns straight flight lift its right wed allow fly straight line resumed thermal ing its own Kaluf wanted modifications fourchannel control Besides flaps ailerons given two degrees dihedral three-channel plane five degrees Although could perform loops basic maneuvers especially aerobatic could however perform Immelmanns low slow flybys flaps down out touching throttle emphasis achieving feedback full-scaletype piloting made feel cockpit Airborne magazine has exclusively Aus sie content pleasant in-house major feature Kaluf photo graphed Special front AMA Headquarters made Airborne cover old plane old men coincided Airbornes best-selling issue date Kaluf added Winter RC Special latter being original designation doubt later version can Continued page 107 6 C-VItVE P TO MEET TP 2 1/411 lEN MAePACE B1J1LE AfTO iO ST FdeP FIN KFINEP WfrJ6P CONTVC11~N Z0HEgAL sWlR CHP -LON6E AIL&RO fWING PLA LJi TLIPIE~ F15LA6E CONTgVcTI7N aMI- MM&7ICJ Al WO IL JOt* UMTON IN& EZE FLACAIC LG Late 1986 Ken Makepeace Little Rock AR once built 409 originals inspired realistic flight characteristics Bill Kalufs 1983 four-channel RC Special Makepeaces version upswept wing tips faired fin modified nose powered Saito 60 could rolling 360s felt like flying full-scale ship Right Although insisting RC Special aerobatic Bill Winter inspired Makepeaces experience proceeded make result reflected John Huntons 47188 Special Modifications 1983 plan published Airborne included additional wing area different airfoil different wing tail incidence slimmer cleaner lines Huntons true-pressure cowl cowl houses though tight fit Johns own muffler produces 300-rpm jump over stock muffler March 1990 29 Safety/Preston Continued page 22 out battery being connected lucky bruised finger could have major accident type start has reported AMA Safety column read col umn doing yourself big disservice careful Dick Meehans receiver crystal fell out big Sopwith Pup ground time possibilities what might have happened air awesome opin ion design defect receiver crystal accessible outside thereby invit ing frequency changes retuning Crystals should changed retuning re ceiver also true transmitters re ceiver has plug-in crystal tape George Wilsons Litestik derivative Balsa USAs Stick 40 Plus doing radical re coveries dives loops sometimes two loops row asking second turned out problem caused too few rubberbands holding wing down wing lifting off fuselage chang ing angle attack Make sure use enough bands assure wing will lift' comment rubberbands should used hold down wing contained letter Russ Petersen Russ stated always taught need rubberband good condition side wing pound weight would mean eight-pound airplane would have 16 rubberbands hold whole thing together Control Line flying wire clips Its often get letters concerning CL activities recent Joe Wagner related experience friend Don Benson Fox 35powered Sig Chipmunk transition CL Free Flight clip-type wire connectors failed Joe stated Im referring dumbbell-shaped clips everyone uses hook control lines lead-outs handle particular ones failed almost soft easy bend copper wire airplane involved no armpuller because Don breaking en gine needle set very rich lines failed Chipmunk flying rather slowly Yet line connectors straightened pulled apart under light load CL flier should immediately check own connectors see softies checked own OKbut old-time make ones failed Don just bought recently believe recent manufacture think Joes letter clearly shows impor tance performing pull test lines before flying CL models Till next month have safe RC Special/Hunton Continued page 29 match three-channel models soaring stincts Makepeace Special visit Little Rock AR flapped Special Bill Kaluf met long-time full-scale pilot Ken Makepeace Ken also builds ultralights owns Blanik sailplane built flown original large-size Special years ago Its no wonder Special design ap pealed Ken full-scale back ground 1987 built another Special Airborne plans given him KaluD adding modifications bring closer full-scale practice Saito 60 fourstroker Ken used makes version fully aerobatic its flatbottomed airfoil model became first series able perform rolling 360s nose contour also changed ac commodate sheet metal coaming wing tips modified terminate flush top wing surface Another modifi cation use fabric fin attachment fairing like used Cubs Heres Ken described first flight upgraded Special obvious top notch model superb flier isnt floater RC Special original version wood Champion engine McNabb 465 radio will slow down flaps glide like its sliding down wire Winter column Scrapbox Model Airplane News Forties led Vernon McNabb allowing fly several experimental 465 systems before gained FCC approval first examination-free Citizenship system line sight pointed its stubby antenna looked like simplified latter-day TV roof antenna its signal could bounce off scoreboards tanks buildings etc sometimes made glitch-crazy beyond modern imagi nation Spark-ignition still vogue no thought about suppression hightension spark added frenzy chaos Drain its six-volt battery large 45 volt B eventually became hearing aid enormous requiring eight pencells reliability plus two escape ment receiver big modern 10oz fuel tank people often flew just ignition 09 rudder Live Wire trainer Trixter Beam early kits using system Sigma 4F relay adapted lowescapement voltage required such close contact setting minor earth tremor other side planet led horren dous vibration-induced out-of-control flights crashes Out-of-sights com mon Makepeace managed radio roaring Atwood Champion engine big 1948 Special beyond Forties no instructors typical modelers like myself may have known series parallel Yet assembled Aerotrol radio kits infamous gas tubes managed fly percentages success slightly higher tossing newborn babe pool ex pecting dog-paddle Some us pad dled Before us Rockwood Goods Walker et al showed us pool As fun fly participants aware much can accomplished through model design enhance chances winning events vertical performance rapid roll rates twitchy tight turn capability name few However above charac teristics lead toward stylized unrealistic models Perhaps fun-fly participa tion simply winning perhaps such thing competing class use classic design such Winter Special As originally designed 1940s model captures essence Golden Age Aviation Udated Bill Winter 1988 Special retains classic proportions solid flight charac teristics yet becomes very flexible ca pable fun-fly contender fact quick-attach/detach lower wing having two-thirds span chord top wing 47/88 Special has outstanding performance biplane has done well fun-fly biplane letter writer 1987 Bill Win ter expressed some additional thoughts design always just very stable pleas ant-looking -flying anybodys air plane design approach always has element full-scale favor con trol feedback realistic response makes sense actually air plane has life fly talks Like its designer Special has sense self fly will find yourself thinking full-scale termsits kind machine article will continue next month detailed plans ultimate 47/88 air craft Radio Technique/Myers Continued page 31 nections TRC manufacturer cant find address Maybe someone knows will see write Adhesives Another item Glue Box fered Ambroid contains epoxy fabric glue styrene glue vinyl glue cellulose cement old orange-colored Ambroid beloved What cant stick together can get GOOP clear silicone adhesive Gold berg Super Jet cyanoacrylate JB Plastic Weld two-part epoxy filled powdered steel Poly Zap some /16 rosin-cored 60/40 lead/tin solder package Stay-Brite silver solder Add sewing kit just wasnt anything couldnt stick together short metal welding Glue Box Ambroid Company Lowell MA 01853 GOOP Adhesive & Sealant Eclectic Pro ducts Inc Carson CA 90745 JB Weld J-B Weld Co. PO Box 483 Sulphur Springs TX 75482 Poly-Zap Pacer Technology Campbell CA 95008 Super Jet Carl Goldberg Models Continued page 140 March 1990 107
Edition: Model Aviation - 1990/03
Page Numbers: 24, 25, 26, 27, 28, 29, 107
Top Bill Winters RC Special scaled down 61 -in span mo ified three-channel photographed Fredericksburg VA ii 1982 help Ralph Davis Winter designed version ii late 70s originally powered K&B 19 subse quently uprated through 05 30 SuperTigre 35 finally F SuperTigre 46 Bill Kaluf handles booster Bill Winter flips ti start picture clearly shows correct vertical outline thi wider chord rudder Left Bill Winter right Bill Kaluf witi Kalufs later four-channel flaps-and-aileron Winter Special fron AMA Museum occasion models donation stil hangs today Above Bill Winters three-channel RC Specia photographed John Preston 1977 making low slow flyby lt steep dihedral angle permitted hands-off gentle 360s automat ic recovery original heading altitude model also hai ability soar thermalsa feature diminished later ver sions increases chord area reduced dihedral IF THERE WERE DC-3 model avia tion very top contenders thi title would Bill Winters classic design RC Special Designed Bill th ec 24 Model Aviation Now 5 1940s Special has resurrected over years minor modifications size changes number modelers well Winter himself its latest ver sion fun fly design will detailed Part Two model could very easily reach same 50-year service life plateau venerable Douglas Bill Winters models have always crystal lized essence classic design Special isnt Rearwin Speedster Piper J-3 Gullwing Stinson like Winters designs has proportions lines complement Golden Age Aviation classics Beyond outstanding looks Winters designs distinguished fly Bill concerned realistic honest per formance characteristics come through Special evidenced countless testimonials have built flown versions fact probably other factor solid realistic flight performance has responsible longevity design following paragraph Mervyn Buckmaster editor Airborne Australian model magazine illustrates point [There is] no other RC design almost 40 years old still continuously flown lone is] converted old-time Free Flight model use today still has fu ture original RC Special designed 1947 Bill Winter prototype built modeling great Walt Schroder did initial testing also flown late Cal Smith model 6-ft 7our decades development pioneer design climaxed e-of-the-art sport machine combines realism good a smooth-flying ultrastable performer unexpected abilitysuch rolling 360s youre up Part ne two EJohn Hunton Bill Winter March 1990 25 Left Ken Makepeace Little Rock AR RC Special built 1987 plans given him Bill Kaluf Ken made further modifications wing tips fin base nose model flaps ailerons powered Saito 60 four-stroker first RC Special series capable doing rolling 360s Above Photographer HA Thomas snapped Kens RC Special floating flaps down its final approach Editors note past few years Bill Winter has collaborated some unique folks Bill Evans 510 Motion Simitar Chet Lanzo presenting 1934 RC-1 elec tronic gimmickry day now John Hunton varied accomplish ments include design AMA Head quarters contributions field RPVs last collaboration almost didnt happen Winter cleaning house salvaged file RC Spe cial Hunton because aware ness Johns interest history fluke led anotherwith happy result understand Huntons ren dition 47188 RC Special barn burner article first two parts presents short history con tinuous use Bill Winters design trac ing its evolution years prior Korean War present rare 1950 photograph original RO Special depicts Bob Beckman preparing Bob built model fleet service Mediterranean bottom-hinged doors afforded access tube receiver typically mountei days rubberfrom corners its base cabin hooks relay extremely sensitive vi Bill Winter states receivers sling-shotted smithereens crashes Above Tom Schmitt photographed latest version RC Special 1988 cruised model product collaboration between Bill Winter original designer RC Special John Hunton Both gentlemen believe no further improvements could made enhance its intended flight envelope fully acrobatic airplane covered red silk dope commemorate 1947 pioneer Below left Viewing fuselage rear can see fairs smoothly tail facilitating air flow control re sponse special note top-hinged aileron mounted tapered spar intersecting elliptical wing tip producing noticeable washout building twist wing low right nose 47/88 Special displays its clean lines Details Huntons tight true-pressure cowl leaves no protuberance whatever included upcoming plans may have thought God want man fly would have c first flight huge stabilizer later years reduced greatly percentage area struck head upon launch tI model flew evidence co trol did land small airport tI short second flight landed airpo runway close under obviqus contro No control flights wandered wh seemed miles always ended up ti general vicinity launch point 0 ing field Since never gave up positionir escapement model free-flighte months No yo didnt arguments 1948 RC Special design put lished Mechanix Illustrated readership over 500000 people w also published MI Modelers Annual 1950 Ml article gives some interesi ing background basic design cor cepts Special grew out Winters di wingspan powered Ohis son Rice 60 novel feature de sign Wakefield-type knock-off wing tongue-and-box prototype flew well begin ning Bill recalls its early flights Wait Schroder insisted never control insisted controlled wayan argument unsettled day Bill Winter Actually Walt did test hand-launchinghe refused have thing flying himself Since pilot task fell time cussions Good brothers Ji Walker Gene Foxworthy Harry Guyej Ed Lorenz others receiver II single-tube superregenerati Good Brothers type using 50-54 meg cycle band Control rudder rubber-powered four-arm escap Left Bill Winter displaying another Jo.. po n, a,v upiiii uwIIg v John used fully cantilevered quick-remc.ig lowe .. thirds span uriurd top wing nere saigni rq duction speed otherwise model miuverable Right Bill Winter left John Hunton showing off latest col laborative effort 47/88 Special model weighs about 5l/41b powered OS 40 engine has wingspan about 61 26 Model AviationI lent thereby necessitating stable low-flying model RC Special ilit specifications also Liided philosophy its designer Realism appearance flight will lp promote RC Vinter single-tube superregenerative ceiver before superheterodynes iing air could hit weighed 18 z batteries receiver idled /2 mils dropped signal about 4 mils current change caused polarized re sy pull drop out Range mit vision radio system reliable new its demands receiver nna length determined snipping ff 4-in increments until A0-mil rise oted meter milliammeter also used luring tuning session nounted phone jack inserted ide fuselage sweep knob 2 NO AlL ~4ei ~JLK CON3 TRIM rAy Msc MNI CAL 4C7 ~TAlLrZE TONGLJB ANW ow&a5cAPamrr\ g big black transmitter hand held un dreamed used preflight tun ing helper walked out plane pi lot heard escapement click off swept dial tuning knob transmitter being positioned midway between two audible points pressing transmitter keying switch hold closed yielded half-right releasing caused fullright producing continuous tight turn Holding again yielded half-right re leasing gave neutral same sequence repeated make stop left turn Two consecutive turns same direction required going through opposite rudder back neutral back turn again learned talk oneself out loud keep track plane now would next fly RC days needed ham radio license required learning Morse code Winter The great majority folks no ticket Transmitter anten nas Y-shaped poles called folded dipoles stood almost high om Rumored presence meet dreaded FCC inspector caused phalanx antennas fold up drop quickly grassleaving few hams fly win control maneuvers could wereaccomplished rudder no engine control quite amazing up straight flight down spiral Ac cording Bill Winter good landing could made flaring spiral flight batteries weighed over pound large dipole antenna required make system work transmitter mounted rigidly antenna see sketch Winter Actually flared landing made initiating turn close ground returning quickly straight pathlike picking up wing lightplane landing kicking rudder same procedure prolonged spiral alti tude resulted either whip stall sought-after loop due excess airspeed lift climb would clear say tree gently rocking plane back forth rudder would result needed extra climb low power nothing rud der control such now-forgotten techniques essential fliers who built Winters realis AWENNA TANMIL MOtA4IIP Ot4 ftb-r BUTT NOTE 7H4 IWH 4W p16 77F GALt i I VIaWG TgANM TTJN& STATIN SETCJ4 J PlOLE Left original RC Special designed Bill Winter 1947 built Walt Schroder carried Good Brothers single-tube receiver weigh ing 18 oz including battery actuated via relay escapement rudder-only nonproportional control Plans published Mechanix Illustrated 1948 publishers Model Builders Annual 1950 Widely built model continuously updated until well proportional era Right Early man state-of-the-art Ia 1940s 1950s Good Brothers transmitting station dipole antenna Beacon Electronics crude especially todays standards system relatively reliable excellent range March 1990 27 I-jg g/c 5FCJAL 47 tic honest-flying model included noted Gi ant Scale author Bob Beckman shown Special 1950 photo Plans original design still available Glea son Enterprises 1704 29th Ave SE Rt 2 Box 125 Austin MN 55912 Scaled-down RC Special Three-channel Control 1970s Bill Winter reinterpreted basic RC Special design scaled-down version three-channel radio control published updated model Septem ber 1980 Model Aviation coinci dentally last issue under editorship scaled-down Special 61 4-in span designed help Ralph Davis Portsmouth VA Initially powered K&B 19 engine plane uprated OS 30 SuperTigre 35 finally SuperTigre 46 19-powered model flew gracefully could execute spins loops higher power versions course got fancier Winter Ralph sent tearsheets 1948 Mechanix Illustrated pictures enlarged modernized version com plete cowl inverted engine ailerons very little dihedral fourth Special looked like Rearwin Speed ster flew air shows clipping al lowed scale down original model Since scaling affects area square smaller version structurally modified flew like modern cabin sport model because wing loading climbed 22-23 oz/sq ft three-channel sportier version re tained realistic looks flight charac teristics original design Bill recalls comments like following about 1970s edition have allowed stran gers take over flighteven didnt know flown radio Some wring outspins snaps Most hardly touch just fly mouths hanging open say Thats nice Again tracked per fectly climbed moderately [with] phenom enal smoothness response [made delightfully groovy turns Bill goes found utter disbelief thi machine soared like crazy warm da vagrant lift rudder pro file published September 1980 Mi incorrect see two-view correc outline Model Aviation article also includes three-view variant tricycle landin gear semisymmetrical airfoil Davis Special Bill Winter recalls 1950 RC Spe cial out sight out mind Unknowj however people building years passed refined de veloped take advantage ever-improv ing radio systems advanced flying tech niques such effort Ralph Davis built four versions Special usc PIH&DAL 61 l/ SPAN K~ PCIAL 77 Eli 40 00 Z H~AL FLA APII 0 PECJAL LL ALLIF g IJL Left In 1977 Bill Winter went home scaled-down three-channel version successfully flown range engines K&B 19 SuperTigre 46 stunning ability soar thermals couldnt fully explained plans published Model Aviafion 1980 Right 1983 Bill Kaluf built version Winter redesigned flaps ailerons two degrees dihedral four-channel version published Australias Airborne magazine airplane powered OS 40 four-stroke engine 28 Model Aviation 0 0 Il4I ii TO46 ow team work 1970s version has barn core wings Winter Davis first model circa 1950 Neighed 12 lb first RC srea have takeoff abilitypowered Fox 35 curved planform outer area alphs wings beautiful fourth ver ion achieved open structure dded parallel-edged inner-wing foam ores Ralphs big show model ailerons Lnd very little dihedral Bill Kalufs Special uring early Eighties William Kaluf reated another update Bill Winters RC special Kaluf comments EThel design erested model classic good ooks ability soar Working Bill Winter both mail over vis ts Kaluf developed design incorpor sted flaps ailerons well longer nose As Kaluf explains like mod els look like full-scale airplanes Kalufs Special powered 05 40 four-stroke published July-August 1984 issue Airborne maga zine Plans probably still available Airborne 11 Cornwall Close Tullama rine Victoria 3043 Australia model now exhibit AMA Museum Ed itor Hurst Bowers museum curator has special prints Airborne plans avail able $500 goes AMA Library Museum Winter During visits Fredericksburg VA often flew Bill Kaluf Once engine off soared threechannel Special extreme altitude between two towering cumulus clouds Since un known reasons turns straight flight lift its right wed allow fly straight line resumed thermal ing its own Kaluf wanted modifications fourchannel control Besides flaps ailerons given two degrees dihedral three-channel plane five degrees Although could perform loops basic maneuvers especially aerobatic could however perform Immelmanns low slow flybys flaps down out touching throttle emphasis achieving feedback full-scaletype piloting made feel cockpit Airborne magazine has exclusively Aus sie content pleasant in-house major feature Kaluf photo graphed Special front AMA Headquarters made Airborne cover old plane old men coincided Airbornes best-selling issue date Kaluf added Winter RC Special latter being original designation doubt later version can Continued page 107 6 C-VItVE P TO MEET TP 2 1/411 lEN MAePACE B1J1LE AfTO iO ST FdeP FIN KFINEP WfrJ6P CONTVC11~N Z0HEgAL sWlR CHP -LON6E AIL&RO fWING PLA LJi TLIPIE~ F15LA6E CONTgVcTI7N aMI- MM&7ICJ Al WO IL JOt* UMTON IN& EZE FLACAIC LG Late 1986 Ken Makepeace Little Rock AR once built 409 originals inspired realistic flight characteristics Bill Kalufs 1983 four-channel RC Special Makepeaces version upswept wing tips faired fin modified nose powered Saito 60 could rolling 360s felt like flying full-scale ship Right Although insisting RC Special aerobatic Bill Winter inspired Makepeaces experience proceeded make result reflected John Huntons 47188 Special Modifications 1983 plan published Airborne included additional wing area different airfoil different wing tail incidence slimmer cleaner lines Huntons true-pressure cowl cowl houses though tight fit Johns own muffler produces 300-rpm jump over stock muffler March 1990 29 Safety/Preston Continued page 22 out battery being connected lucky bruised finger could have major accident type start has reported AMA Safety column read col umn doing yourself big disservice careful Dick Meehans receiver crystal fell out big Sopwith Pup ground time possibilities what might have happened air awesome opin ion design defect receiver crystal accessible outside thereby invit ing frequency changes retuning Crystals should changed retuning re ceiver also true transmitters re ceiver has plug-in crystal tape George Wilsons Litestik derivative Balsa USAs Stick 40 Plus doing radical re coveries dives loops sometimes two loops row asking second turned out problem caused too few rubberbands holding wing down wing lifting off fuselage chang ing angle attack Make sure use enough bands assure wing will lift' comment rubberbands should used hold down wing contained letter Russ Petersen Russ stated always taught need rubberband good condition side wing pound weight would mean eight-pound airplane would have 16 rubberbands hold whole thing together Control Line flying wire clips Its often get letters concerning CL activities recent Joe Wagner related experience friend Don Benson Fox 35powered Sig Chipmunk transition CL Free Flight clip-type wire connectors failed Joe stated Im referring dumbbell-shaped clips everyone uses hook control lines lead-outs handle particular ones failed almost soft easy bend copper wire airplane involved no armpuller because Don breaking en gine needle set very rich lines failed Chipmunk flying rather slowly Yet line connectors straightened pulled apart under light load CL flier should immediately check own connectors see softies checked own OKbut old-time make ones failed Don just bought recently believe recent manufacture think Joes letter clearly shows impor tance performing pull test lines before flying CL models Till next month have safe RC Special/Hunton Continued page 29 match three-channel models soaring stincts Makepeace Special visit Little Rock AR flapped Special Bill Kaluf met long-time full-scale pilot Ken Makepeace Ken also builds ultralights owns Blanik sailplane built flown original large-size Special years ago Its no wonder Special design ap pealed Ken full-scale back ground 1987 built another Special Airborne plans given him KaluD adding modifications bring closer full-scale practice Saito 60 fourstroker Ken used makes version fully aerobatic its flatbottomed airfoil model became first series able perform rolling 360s nose contour also changed ac commodate sheet metal coaming wing tips modified terminate flush top wing surface Another modifi cation use fabric fin attachment fairing like used Cubs Heres Ken described first flight upgraded Special obvious top notch model superb flier isnt floater RC Special original version wood Champion engine McNabb 465 radio will slow down flaps glide like its sliding down wire Winter column Scrapbox Model Airplane News Forties led Vernon McNabb allowing fly several experimental 465 systems before gained FCC approval first examination-free Citizenship system line sight pointed its stubby antenna looked like simplified latter-day TV roof antenna its signal could bounce off scoreboards tanks buildings etc sometimes made glitch-crazy beyond modern imagi nation Spark-ignition still vogue no thought about suppression hightension spark added frenzy chaos Drain its six-volt battery large 45 volt B eventually became hearing aid enormous requiring eight pencells reliability plus two escape ment receiver big modern 10oz fuel tank people often flew just ignition 09 rudder Live Wire trainer Trixter Beam early kits using system Sigma 4F relay adapted lowescapement voltage required such close contact setting minor earth tremor other side planet led horren dous vibration-induced out-of-control flights crashes Out-of-sights com mon Makepeace managed radio roaring Atwood Champion engine big 1948 Special beyond Forties no instructors typical modelers like myself may have known series parallel Yet assembled Aerotrol radio kits infamous gas tubes managed fly percentages success slightly higher tossing newborn babe pool ex pecting dog-paddle Some us pad dled Before us Rockwood Goods Walker et al showed us pool As fun fly participants aware much can accomplished through model design enhance chances winning events vertical performance rapid roll rates twitchy tight turn capability name few However above charac teristics lead toward stylized unrealistic models Perhaps fun-fly participa tion simply winning perhaps such thing competing class use classic design such Winter Special As originally designed 1940s model captures essence Golden Age Aviation Udated Bill Winter 1988 Special retains classic proportions solid flight charac teristics yet becomes very flexible ca pable fun-fly contender fact quick-attach/detach lower wing having two-thirds span chord top wing 47/88 Special has outstanding performance biplane has done well fun-fly biplane letter writer 1987 Bill Win ter expressed some additional thoughts design always just very stable pleas ant-looking -flying anybodys air plane design approach always has element full-scale favor con trol feedback realistic response makes sense actually air plane has life fly talks Like its designer Special has sense self fly will find yourself thinking full-scale termsits kind machine article will continue next month detailed plans ultimate 47/88 air craft Radio Technique/Myers Continued page 31 nections TRC manufacturer cant find address Maybe someone knows will see write Adhesives Another item Glue Box fered Ambroid contains epoxy fabric glue styrene glue vinyl glue cellulose cement old orange-colored Ambroid beloved What cant stick together can get GOOP clear silicone adhesive Gold berg Super Jet cyanoacrylate JB Plastic Weld two-part epoxy filled powdered steel Poly Zap some /16 rosin-cored 60/40 lead/tin solder package Stay-Brite silver solder Add sewing kit just wasnt anything couldnt stick together short metal welding Glue Box Ambroid Company Lowell MA 01853 GOOP Adhesive & Sealant Eclectic Pro ducts Inc Carson CA 90745 JB Weld J-B Weld Co. PO Box 483 Sulphur Springs TX 75482 Poly-Zap Pacer Technology Campbell CA 95008 Super Jet Carl Goldberg Models Continued page 140 March 1990 107
Edition: Model Aviation - 1990/03
Page Numbers: 24, 25, 26, 27, 28, 29, 107
Top Bill Winters RC Special scaled down 61 -in span mo ified three-channel photographed Fredericksburg VA ii 1982 help Ralph Davis Winter designed version ii late 70s originally powered K&B 19 subse quently uprated through 05 30 SuperTigre 35 finally F SuperTigre 46 Bill Kaluf handles booster Bill Winter flips ti start picture clearly shows correct vertical outline thi wider chord rudder Left Bill Winter right Bill Kaluf witi Kalufs later four-channel flaps-and-aileron Winter Special fron AMA Museum occasion models donation stil hangs today Above Bill Winters three-channel RC Specia photographed John Preston 1977 making low slow flyby lt steep dihedral angle permitted hands-off gentle 360s automat ic recovery original heading altitude model also hai ability soar thermalsa feature diminished later ver sions increases chord area reduced dihedral IF THERE WERE DC-3 model avia tion very top contenders thi title would Bill Winters classic design RC Special Designed Bill th ec 24 Model Aviation Now 5 1940s Special has resurrected over years minor modifications size changes number modelers well Winter himself its latest ver sion fun fly design will detailed Part Two model could very easily reach same 50-year service life plateau venerable Douglas Bill Winters models have always crystal lized essence classic design Special isnt Rearwin Speedster Piper J-3 Gullwing Stinson like Winters designs has proportions lines complement Golden Age Aviation classics Beyond outstanding looks Winters designs distinguished fly Bill concerned realistic honest per formance characteristics come through Special evidenced countless testimonials have built flown versions fact probably other factor solid realistic flight performance has responsible longevity design following paragraph Mervyn Buckmaster editor Airborne Australian model magazine illustrates point [There is] no other RC design almost 40 years old still continuously flown lone is] converted old-time Free Flight model use today still has fu ture original RC Special designed 1947 Bill Winter prototype built modeling great Walt Schroder did initial testing also flown late Cal Smith model 6-ft 7our decades development pioneer design climaxed e-of-the-art sport machine combines realism good a smooth-flying ultrastable performer unexpected abilitysuch rolling 360s youre up Part ne two EJohn Hunton Bill Winter March 1990 25 Left Ken Makepeace Little Rock AR RC Special built 1987 plans given him Bill Kaluf Ken made further modifications wing tips fin base nose model flaps ailerons powered Saito 60 four-stroker first RC Special series capable doing rolling 360s Above Photographer HA Thomas snapped Kens RC Special floating flaps down its final approach Editors note past few years Bill Winter has collaborated some unique folks Bill Evans 510 Motion Simitar Chet Lanzo presenting 1934 RC-1 elec tronic gimmickry day now John Hunton varied accomplish ments include design AMA Head quarters contributions field RPVs last collaboration almost didnt happen Winter cleaning house salvaged file RC Spe cial Hunton because aware ness Johns interest history fluke led anotherwith happy result understand Huntons ren dition 47188 RC Special barn burner article first two parts presents short history con tinuous use Bill Winters design trac ing its evolution years prior Korean War present rare 1950 photograph original RO Special depicts Bob Beckman preparing Bob built model fleet service Mediterranean bottom-hinged doors afforded access tube receiver typically mountei days rubberfrom corners its base cabin hooks relay extremely sensitive vi Bill Winter states receivers sling-shotted smithereens crashes Above Tom Schmitt photographed latest version RC Special 1988 cruised model product collaboration between Bill Winter original designer RC Special John Hunton Both gentlemen believe no further improvements could made enhance its intended flight envelope fully acrobatic airplane covered red silk dope commemorate 1947 pioneer Below left Viewing fuselage rear can see fairs smoothly tail facilitating air flow control re sponse special note top-hinged aileron mounted tapered spar intersecting elliptical wing tip producing noticeable washout building twist wing low right nose 47/88 Special displays its clean lines Details Huntons tight true-pressure cowl leaves no protuberance whatever included upcoming plans may have thought God want man fly would have c first flight huge stabilizer later years reduced greatly percentage area struck head upon launch tI model flew evidence co trol did land small airport tI short second flight landed airpo runway close under obviqus contro No control flights wandered wh seemed miles always ended up ti general vicinity launch point 0 ing field Since never gave up positionir escapement model free-flighte months No yo didnt arguments 1948 RC Special design put lished Mechanix Illustrated readership over 500000 people w also published MI Modelers Annual 1950 Ml article gives some interesi ing background basic design cor cepts Special grew out Winters di wingspan powered Ohis son Rice 60 novel feature de sign Wakefield-type knock-off wing tongue-and-box prototype flew well begin ning Bill recalls its early flights Wait Schroder insisted never control insisted controlled wayan argument unsettled day Bill Winter Actually Walt did test hand-launchinghe refused have thing flying himself Since pilot task fell time cussions Good brothers Ji Walker Gene Foxworthy Harry Guyej Ed Lorenz others receiver II single-tube superregenerati Good Brothers type using 50-54 meg cycle band Control rudder rubber-powered four-arm escap Left Bill Winter displaying another Jo.. po n, a,v upiiii uwIIg v John used fully cantilevered quick-remc.ig lowe .. thirds span uriurd top wing nere saigni rq duction speed otherwise model miuverable Right Bill Winter left John Hunton showing off latest col laborative effort 47/88 Special model weighs about 5l/41b powered OS 40 engine has wingspan about 61 26 Model AviationI lent thereby necessitating stable low-flying model RC Special ilit specifications also Liided philosophy its designer Realism appearance flight will lp promote RC Vinter single-tube superregenerative ceiver before superheterodynes iing air could hit weighed 18 z batteries receiver idled /2 mils dropped signal about 4 mils current change caused polarized re sy pull drop out Range mit vision radio system reliable new its demands receiver nna length determined snipping ff 4-in increments until A0-mil rise oted meter milliammeter also used luring tuning session nounted phone jack inserted ide fuselage sweep knob 2 NO AlL ~4ei ~JLK CON3 TRIM rAy Msc MNI CAL 4C7 ~TAlLrZE TONGLJB ANW ow&a5cAPamrr\ g big black transmitter hand held un dreamed used preflight tun ing helper walked out plane pi lot heard escapement click off swept dial tuning knob transmitter being positioned midway between two audible points pressing transmitter keying switch hold closed yielded half-right releasing caused fullright producing continuous tight turn Holding again yielded half-right re leasing gave neutral same sequence repeated make stop left turn Two consecutive turns same direction required going through opposite rudder back neutral back turn again learned talk oneself out loud keep track plane now would next fly RC days needed ham radio license required learning Morse code Winter The great majority folks no ticket Transmitter anten nas Y-shaped poles called folded dipoles stood almost high om Rumored presence meet dreaded FCC inspector caused phalanx antennas fold up drop quickly grassleaving few hams fly win control maneuvers could wereaccomplished rudder no engine control quite amazing up straight flight down spiral Ac cording Bill Winter good landing could made flaring spiral flight batteries weighed over pound large dipole antenna required make system work transmitter mounted rigidly antenna see sketch Winter Actually flared landing made initiating turn close ground returning quickly straight pathlike picking up wing lightplane landing kicking rudder same procedure prolonged spiral alti tude resulted either whip stall sought-after loop due excess airspeed lift climb would clear say tree gently rocking plane back forth rudder would result needed extra climb low power nothing rud der control such now-forgotten techniques essential fliers who built Winters realis AWENNA TANMIL MOtA4IIP Ot4 ftb-r BUTT NOTE 7H4 IWH 4W p16 77F GALt i I VIaWG TgANM TTJN& STATIN SETCJ4 J PlOLE Left original RC Special designed Bill Winter 1947 built Walt Schroder carried Good Brothers single-tube receiver weigh ing 18 oz including battery actuated via relay escapement rudder-only nonproportional control Plans published Mechanix Illustrated 1948 publishers Model Builders Annual 1950 Widely built model continuously updated until well proportional era Right Early man state-of-the-art Ia 1940s 1950s Good Brothers transmitting station dipole antenna Beacon Electronics crude especially todays standards system relatively reliable excellent range March 1990 27 I-jg g/c 5FCJAL 47 tic honest-flying model included noted Gi ant Scale author Bob Beckman shown Special 1950 photo Plans original design still available Glea son Enterprises 1704 29th Ave SE Rt 2 Box 125 Austin MN 55912 Scaled-down RC Special Three-channel Control 1970s Bill Winter reinterpreted basic RC Special design scaled-down version three-channel radio control published updated model Septem ber 1980 Model Aviation coinci dentally last issue under editorship scaled-down Special 61 4-in span designed help Ralph Davis Portsmouth VA Initially powered K&B 19 engine plane uprated OS 30 SuperTigre 35 finally SuperTigre 46 19-powered model flew gracefully could execute spins loops higher power versions course got fancier Winter Ralph sent tearsheets 1948 Mechanix Illustrated pictures enlarged modernized version com plete cowl inverted engine ailerons very little dihedral fourth Special looked like Rearwin Speed ster flew air shows clipping al lowed scale down original model Since scaling affects area square smaller version structurally modified flew like modern cabin sport model because wing loading climbed 22-23 oz/sq ft three-channel sportier version re tained realistic looks flight charac teristics original design Bill recalls comments like following about 1970s edition have allowed stran gers take over flighteven didnt know flown radio Some wring outspins snaps Most hardly touch just fly mouths hanging open say Thats nice Again tracked per fectly climbed moderately [with] phenom enal smoothness response [made delightfully groovy turns Bill goes found utter disbelief thi machine soared like crazy warm da vagrant lift rudder pro file published September 1980 Mi incorrect see two-view correc outline Model Aviation article also includes three-view variant tricycle landin gear semisymmetrical airfoil Davis Special Bill Winter recalls 1950 RC Spe cial out sight out mind Unknowj however people building years passed refined de veloped take advantage ever-improv ing radio systems advanced flying tech niques such effort Ralph Davis built four versions Special usc PIH&DAL 61 l/ SPAN K~ PCIAL 77 Eli 40 00 Z H~AL FLA APII 0 PECJAL LL ALLIF g IJL Left In 1977 Bill Winter went home scaled-down three-channel version successfully flown range engines K&B 19 SuperTigre 46 stunning ability soar thermals couldnt fully explained plans published Model Aviafion 1980 Right 1983 Bill Kaluf built version Winter redesigned flaps ailerons two degrees dihedral four-channel version published Australias Airborne magazine airplane powered OS 40 four-stroke engine 28 Model Aviation 0 0 Il4I ii TO46 ow team work 1970s version has barn core wings Winter Davis first model circa 1950 Neighed 12 lb first RC srea have takeoff abilitypowered Fox 35 curved planform outer area alphs wings beautiful fourth ver ion achieved open structure dded parallel-edged inner-wing foam ores Ralphs big show model ailerons Lnd very little dihedral Bill Kalufs Special uring early Eighties William Kaluf reated another update Bill Winters RC special Kaluf comments EThel design erested model classic good ooks ability soar Working Bill Winter both mail over vis ts Kaluf developed design incorpor sted flaps ailerons well longer nose As Kaluf explains like mod els look like full-scale airplanes Kalufs Special powered 05 40 four-stroke published July-August 1984 issue Airborne maga zine Plans probably still available Airborne 11 Cornwall Close Tullama rine Victoria 3043 Australia model now exhibit AMA Museum Ed itor Hurst Bowers museum curator has special prints Airborne plans avail able $500 goes AMA Library Museum Winter During visits Fredericksburg VA often flew Bill Kaluf Once engine off soared threechannel Special extreme altitude between two towering cumulus clouds Since un known reasons turns straight flight lift its right wed allow fly straight line resumed thermal ing its own Kaluf wanted modifications fourchannel control Besides flaps ailerons given two degrees dihedral three-channel plane five degrees Although could perform loops basic maneuvers especially aerobatic could however perform Immelmanns low slow flybys flaps down out touching throttle emphasis achieving feedback full-scaletype piloting made feel cockpit Airborne magazine has exclusively Aus sie content pleasant in-house major feature Kaluf photo graphed Special front AMA Headquarters made Airborne cover old plane old men coincided Airbornes best-selling issue date Kaluf added Winter RC Special latter being original designation doubt later version can Continued page 107 6 C-VItVE P TO MEET TP 2 1/411 lEN MAePACE B1J1LE AfTO iO ST FdeP FIN KFINEP WfrJ6P CONTVC11~N Z0HEgAL sWlR CHP -LON6E AIL&RO fWING PLA LJi TLIPIE~ F15LA6E CONTgVcTI7N aMI- MM&7ICJ Al WO IL JOt* UMTON IN& EZE FLACAIC LG Late 1986 Ken Makepeace Little Rock AR once built 409 originals inspired realistic flight characteristics Bill Kalufs 1983 four-channel RC Special Makepeaces version upswept wing tips faired fin modified nose powered Saito 60 could rolling 360s felt like flying full-scale ship Right Although insisting RC Special aerobatic Bill Winter inspired Makepeaces experience proceeded make result reflected John Huntons 47188 Special Modifications 1983 plan published Airborne included additional wing area different airfoil different wing tail incidence slimmer cleaner lines Huntons true-pressure cowl cowl houses though tight fit Johns own muffler produces 300-rpm jump over stock muffler March 1990 29 Safety/Preston Continued page 22 out battery being connected lucky bruised finger could have major accident type start has reported AMA Safety column read col umn doing yourself big disservice careful Dick Meehans receiver crystal fell out big Sopwith Pup ground time possibilities what might have happened air awesome opin ion design defect receiver crystal accessible outside thereby invit ing frequency changes retuning Crystals should changed retuning re ceiver also true transmitters re ceiver has plug-in crystal tape George Wilsons Litestik derivative Balsa USAs Stick 40 Plus doing radical re coveries dives loops sometimes two loops row asking second turned out problem caused too few rubberbands holding wing down wing lifting off fuselage chang ing angle attack Make sure use enough bands assure wing will lift' comment rubberbands should used hold down wing contained letter Russ Petersen Russ stated always taught need rubberband good condition side wing pound weight would mean eight-pound airplane would have 16 rubberbands hold whole thing together Control Line flying wire clips Its often get letters concerning CL activities recent Joe Wagner related experience friend Don Benson Fox 35powered Sig Chipmunk transition CL Free Flight clip-type wire connectors failed Joe stated Im referring dumbbell-shaped clips everyone uses hook control lines lead-outs handle particular ones failed almost soft easy bend copper wire airplane involved no armpuller because Don breaking en gine needle set very rich lines failed Chipmunk flying rather slowly Yet line connectors straightened pulled apart under light load CL flier should immediately check own connectors see softies checked own OKbut old-time make ones failed Don just bought recently believe recent manufacture think Joes letter clearly shows impor tance performing pull test lines before flying CL models Till next month have safe RC Special/Hunton Continued page 29 match three-channel models soaring stincts Makepeace Special visit Little Rock AR flapped Special Bill Kaluf met long-time full-scale pilot Ken Makepeace Ken also builds ultralights owns Blanik sailplane built flown original large-size Special years ago Its no wonder Special design ap pealed Ken full-scale back ground 1987 built another Special Airborne plans given him KaluD adding modifications bring closer full-scale practice Saito 60 fourstroker Ken used makes version fully aerobatic its flatbottomed airfoil model became first series able perform rolling 360s nose contour also changed ac commodate sheet metal coaming wing tips modified terminate flush top wing surface Another modifi cation use fabric fin attachment fairing like used Cubs Heres Ken described first flight upgraded Special obvious top notch model superb flier isnt floater RC Special original version wood Champion engine McNabb 465 radio will slow down flaps glide like its sliding down wire Winter column Scrapbox Model Airplane News Forties led Vernon McNabb allowing fly several experimental 465 systems before gained FCC approval first examination-free Citizenship system line sight pointed its stubby antenna looked like simplified latter-day TV roof antenna its signal could bounce off scoreboards tanks buildings etc sometimes made glitch-crazy beyond modern imagi nation Spark-ignition still vogue no thought about suppression hightension spark added frenzy chaos Drain its six-volt battery large 45 volt B eventually became hearing aid enormous requiring eight pencells reliability plus two escape ment receiver big modern 10oz fuel tank people often flew just ignition 09 rudder Live Wire trainer Trixter Beam early kits using system Sigma 4F relay adapted lowescapement voltage required such close contact setting minor earth tremor other side planet led horren dous vibration-induced out-of-control flights crashes Out-of-sights com mon Makepeace managed radio roaring Atwood Champion engine big 1948 Special beyond Forties no instructors typical modelers like myself may have known series parallel Yet assembled Aerotrol radio kits infamous gas tubes managed fly percentages success slightly higher tossing newborn babe pool ex pecting dog-paddle Some us pad dled Before us Rockwood Goods Walker et al showed us pool As fun fly participants aware much can accomplished through model design enhance chances winning events vertical performance rapid roll rates twitchy tight turn capability name few However above charac teristics lead toward stylized unrealistic models Perhaps fun-fly participa tion simply winning perhaps such thing competing class use classic design such Winter Special As originally designed 1940s model captures essence Golden Age Aviation Udated Bill Winter 1988 Special retains classic proportions solid flight charac teristics yet becomes very flexible ca pable fun-fly contender fact quick-attach/detach lower wing having two-thirds span chord top wing 47/88 Special has outstanding performance biplane has done well fun-fly biplane letter writer 1987 Bill Win ter expressed some additional thoughts design always just very stable pleas ant-looking -flying anybodys air plane design approach always has element full-scale favor con trol feedback realistic response makes sense actually air plane has life fly talks Like its designer Special has sense self fly will find yourself thinking full-scale termsits kind machine article will continue next month detailed plans ultimate 47/88 air craft Radio Technique/Myers Continued page 31 nections TRC manufacturer cant find address Maybe someone knows will see write Adhesives Another item Glue Box fered Ambroid contains epoxy fabric glue styrene glue vinyl glue cellulose cement old orange-colored Ambroid beloved What cant stick together can get GOOP clear silicone adhesive Gold berg Super Jet cyanoacrylate JB Plastic Weld two-part epoxy filled powdered steel Poly Zap some /16 rosin-cored 60/40 lead/tin solder package Stay-Brite silver solder Add sewing kit just wasnt anything couldnt stick together short metal welding Glue Box Ambroid Company Lowell MA 01853 GOOP Adhesive & Sealant Eclectic Pro ducts Inc Carson CA 90745 JB Weld J-B Weld Co. PO Box 483 Sulphur Springs TX 75482 Poly-Zap Pacer Technology Campbell CA 95008 Super Jet Carl Goldberg Models Continued page 140 March 1990 107
Edition: Model Aviation - 1990/03
Page Numbers: 24, 25, 26, 27, 28, 29, 107
Top Bill Winters RC Special scaled down 61 -in span mo ified three-channel photographed Fredericksburg VA ii 1982 help Ralph Davis Winter designed version ii late 70s originally powered K&B 19 subse quently uprated through 05 30 SuperTigre 35 finally F SuperTigre 46 Bill Kaluf handles booster Bill Winter flips ti start picture clearly shows correct vertical outline thi wider chord rudder Left Bill Winter right Bill Kaluf witi Kalufs later four-channel flaps-and-aileron Winter Special fron AMA Museum occasion models donation stil hangs today Above Bill Winters three-channel RC Specia photographed John Preston 1977 making low slow flyby lt steep dihedral angle permitted hands-off gentle 360s automat ic recovery original heading altitude model also hai ability soar thermalsa feature diminished later ver sions increases chord area reduced dihedral IF THERE WERE DC-3 model avia tion very top contenders thi title would Bill Winters classic design RC Special Designed Bill th ec 24 Model Aviation Now 5 1940s Special has resurrected over years minor modifications size changes number modelers well Winter himself its latest ver sion fun fly design will detailed Part Two model could very easily reach same 50-year service life plateau venerable Douglas Bill Winters models have always crystal lized essence classic design Special isnt Rearwin Speedster Piper J-3 Gullwing Stinson like Winters designs has proportions lines complement Golden Age Aviation classics Beyond outstanding looks Winters designs distinguished fly Bill concerned realistic honest per formance characteristics come through Special evidenced countless testimonials have built flown versions fact probably other factor solid realistic flight performance has responsible longevity design following paragraph Mervyn Buckmaster editor Airborne Australian model magazine illustrates point [There is] no other RC design almost 40 years old still continuously flown lone is] converted old-time Free Flight model use today still has fu ture original RC Special designed 1947 Bill Winter prototype built modeling great Walt Schroder did initial testing also flown late Cal Smith model 6-ft 7our decades development pioneer design climaxed e-of-the-art sport machine combines realism good a smooth-flying ultrastable performer unexpected abilitysuch rolling 360s youre up Part ne two EJohn Hunton Bill Winter March 1990 25 Left Ken Makepeace Little Rock AR RC Special built 1987 plans given him Bill Kaluf Ken made further modifications wing tips fin base nose model flaps ailerons powered Saito 60 four-stroker first RC Special series capable doing rolling 360s Above Photographer HA Thomas snapped Kens RC Special floating flaps down its final approach Editors note past few years Bill Winter has collaborated some unique folks Bill Evans 510 Motion Simitar Chet Lanzo presenting 1934 RC-1 elec tronic gimmickry day now John Hunton varied accomplish ments include design AMA Head quarters contributions field RPVs last collaboration almost didnt happen Winter cleaning house salvaged file RC Spe cial Hunton because aware ness Johns interest history fluke led anotherwith happy result understand Huntons ren dition 47188 RC Special barn burner article first two parts presents short history con tinuous use Bill Winters design trac ing its evolution years prior Korean War present rare 1950 photograph original RO Special depicts Bob Beckman preparing Bob built model fleet service Mediterranean bottom-hinged doors afforded access tube receiver typically mountei days rubberfrom corners its base cabin hooks relay extremely sensitive vi Bill Winter states receivers sling-shotted smithereens crashes Above Tom Schmitt photographed latest version RC Special 1988 cruised model product collaboration between Bill Winter original designer RC Special John Hunton Both gentlemen believe no further improvements could made enhance its intended flight envelope fully acrobatic airplane covered red silk dope commemorate 1947 pioneer Below left Viewing fuselage rear can see fairs smoothly tail facilitating air flow control re sponse special note top-hinged aileron mounted tapered spar intersecting elliptical wing tip producing noticeable washout building twist wing low right nose 47/88 Special displays its clean lines Details Huntons tight true-pressure cowl leaves no protuberance whatever included upcoming plans may have thought God want man fly would have c first flight huge stabilizer later years reduced greatly percentage area struck head upon launch tI model flew evidence co trol did land small airport tI short second flight landed airpo runway close under obviqus contro No control flights wandered wh seemed miles always ended up ti general vicinity launch point 0 ing field Since never gave up positionir escapement model free-flighte months No yo didnt arguments 1948 RC Special design put lished Mechanix Illustrated readership over 500000 people w also published MI Modelers Annual 1950 Ml article gives some interesi ing background basic design cor cepts Special grew out Winters di wingspan powered Ohis son Rice 60 novel feature de sign Wakefield-type knock-off wing tongue-and-box prototype flew well begin ning Bill recalls its early flights Wait Schroder insisted never control insisted controlled wayan argument unsettled day Bill Winter Actually Walt did test hand-launchinghe refused have thing flying himself Since pilot task fell time cussions Good brothers Ji Walker Gene Foxworthy Harry Guyej Ed Lorenz others receiver II single-tube superregenerati Good Brothers type using 50-54 meg cycle band Control rudder rubber-powered four-arm escap Left Bill Winter displaying another Jo.. po n, a,v upiiii uwIIg v John used fully cantilevered quick-remc.ig lowe .. thirds span uriurd top wing nere saigni rq duction speed otherwise model miuverable Right Bill Winter left John Hunton showing off latest col laborative effort 47/88 Special model weighs about 5l/41b powered OS 40 engine has wingspan about 61 26 Model AviationI lent thereby necessitating stable low-flying model RC Special ilit specifications also Liided philosophy its designer Realism appearance flight will lp promote RC Vinter single-tube superregenerative ceiver before superheterodynes iing air could hit weighed 18 z batteries receiver idled /2 mils dropped signal about 4 mils current change caused polarized re sy pull drop out Range mit vision radio system reliable new its demands receiver nna length determined snipping ff 4-in increments until A0-mil rise oted meter milliammeter also used luring tuning session nounted phone jack inserted ide fuselage sweep knob 2 NO AlL ~4ei ~JLK CON3 TRIM rAy Msc MNI CAL 4C7 ~TAlLrZE TONGLJB ANW ow&a5cAPamrr\ g big black transmitter hand held un dreamed used preflight tun ing helper walked out plane pi lot heard escapement click off swept dial tuning knob transmitter being positioned midway between two audible points pressing transmitter keying switch hold closed yielded half-right releasing caused fullright producing continuous tight turn Holding again yielded half-right re leasing gave neutral same sequence repeated make stop left turn Two consecutive turns same direction required going through opposite rudder back neutral back turn again learned talk oneself out loud keep track plane now would next fly RC days needed ham radio license required learning Morse code Winter The great majority folks no ticket Transmitter anten nas Y-shaped poles called folded dipoles stood almost high om Rumored presence meet dreaded FCC inspector caused phalanx antennas fold up drop quickly grassleaving few hams fly win control maneuvers could wereaccomplished rudder no engine control quite amazing up straight flight down spiral Ac cording Bill Winter good landing could made flaring spiral flight batteries weighed over pound large dipole antenna required make system work transmitter mounted rigidly antenna see sketch Winter Actually flared landing made initiating turn close ground returning quickly straight pathlike picking up wing lightplane landing kicking rudder same procedure prolonged spiral alti tude resulted either whip stall sought-after loop due excess airspeed lift climb would clear say tree gently rocking plane back forth rudder would result needed extra climb low power nothing rud der control such now-forgotten techniques essential fliers who built Winters realis AWENNA TANMIL MOtA4IIP Ot4 ftb-r BUTT NOTE 7H4 IWH 4W p16 77F GALt i I VIaWG TgANM TTJN& STATIN SETCJ4 J PlOLE Left original RC Special designed Bill Winter 1947 built Walt Schroder carried Good Brothers single-tube receiver weigh ing 18 oz including battery actuated via relay escapement rudder-only nonproportional control Plans published Mechanix Illustrated 1948 publishers Model Builders Annual 1950 Widely built model continuously updated until well proportional era Right Early man state-of-the-art Ia 1940s 1950s Good Brothers transmitting station dipole antenna Beacon Electronics crude especially todays standards system relatively reliable excellent range March 1990 27 I-jg g/c 5FCJAL 47 tic honest-flying model included noted Gi ant Scale author Bob Beckman shown Special 1950 photo Plans original design still available Glea son Enterprises 1704 29th Ave SE Rt 2 Box 125 Austin MN 55912 Scaled-down RC Special Three-channel Control 1970s Bill Winter reinterpreted basic RC Special design scaled-down version three-channel radio control published updated model Septem ber 1980 Model Aviation coinci dentally last issue under editorship scaled-down Special 61 4-in span designed help Ralph Davis Portsmouth VA Initially powered K&B 19 engine plane uprated OS 30 SuperTigre 35 finally SuperTigre 46 19-powered model flew gracefully could execute spins loops higher power versions course got fancier Winter Ralph sent tearsheets 1948 Mechanix Illustrated pictures enlarged modernized version com plete cowl inverted engine ailerons very little dihedral fourth Special looked like Rearwin Speed ster flew air shows clipping al lowed scale down original model Since scaling affects area square smaller version structurally modified flew like modern cabin sport model because wing loading climbed 22-23 oz/sq ft three-channel sportier version re tained realistic looks flight charac teristics original design Bill recalls comments like following about 1970s edition have allowed stran gers take over flighteven didnt know flown radio Some wring outspins snaps Most hardly touch just fly mouths hanging open say Thats nice Again tracked per fectly climbed moderately [with] phenom enal smoothness response [made delightfully groovy turns Bill goes found utter disbelief thi machine soared like crazy warm da vagrant lift rudder pro file published September 1980 Mi incorrect see two-view correc outline Model Aviation article also includes three-view variant tricycle landin gear semisymmetrical airfoil Davis Special Bill Winter recalls 1950 RC Spe cial out sight out mind Unknowj however people building years passed refined de veloped take advantage ever-improv ing radio systems advanced flying tech niques such effort Ralph Davis built four versions Special usc PIH&DAL 61 l/ SPAN K~ PCIAL 77 Eli 40 00 Z H~AL FLA APII 0 PECJAL LL ALLIF g IJL Left In 1977 Bill Winter went home scaled-down three-channel version successfully flown range engines K&B 19 SuperTigre 46 stunning ability soar thermals couldnt fully explained plans published Model Aviafion 1980 Right 1983 Bill Kaluf built version Winter redesigned flaps ailerons two degrees dihedral four-channel version published Australias Airborne magazine airplane powered OS 40 four-stroke engine 28 Model Aviation 0 0 Il4I ii TO46 ow team work 1970s version has barn core wings Winter Davis first model circa 1950 Neighed 12 lb first RC srea have takeoff abilitypowered Fox 35 curved planform outer area alphs wings beautiful fourth ver ion achieved open structure dded parallel-edged inner-wing foam ores Ralphs big show model ailerons Lnd very little dihedral Bill Kalufs Special uring early Eighties William Kaluf reated another update Bill Winters RC special Kaluf comments EThel design erested model classic good ooks ability soar Working Bill Winter both mail over vis ts Kaluf developed design incorpor sted flaps ailerons well longer nose As Kaluf explains like mod els look like full-scale airplanes Kalufs Special powered 05 40 four-stroke published July-August 1984 issue Airborne maga zine Plans probably still available Airborne 11 Cornwall Close Tullama rine Victoria 3043 Australia model now exhibit AMA Museum Ed itor Hurst Bowers museum curator has special prints Airborne plans avail able $500 goes AMA Library Museum Winter During visits Fredericksburg VA often flew Bill Kaluf Once engine off soared threechannel Special extreme altitude between two towering cumulus clouds Since un known reasons turns straight flight lift its right wed allow fly straight line resumed thermal ing its own Kaluf wanted modifications fourchannel control Besides flaps ailerons given two degrees dihedral three-channel plane five degrees Although could perform loops basic maneuvers especially aerobatic could however perform Immelmanns low slow flybys flaps down out touching throttle emphasis achieving feedback full-scaletype piloting made feel cockpit Airborne magazine has exclusively Aus sie content pleasant in-house major feature Kaluf photo graphed Special front AMA Headquarters made Airborne cover old plane old men coincided Airbornes best-selling issue date Kaluf added Winter RC Special latter being original designation doubt later version can Continued page 107 6 C-VItVE P TO MEET TP 2 1/411 lEN MAePACE B1J1LE AfTO iO ST FdeP FIN KFINEP WfrJ6P CONTVC11~N Z0HEgAL sWlR CHP -LON6E AIL&RO fWING PLA LJi TLIPIE~ F15LA6E CONTgVcTI7N aMI- MM&7ICJ Al WO IL JOt* UMTON IN& EZE FLACAIC LG Late 1986 Ken Makepeace Little Rock AR once built 409 originals inspired realistic flight characteristics Bill Kalufs 1983 four-channel RC Special Makepeaces version upswept wing tips faired fin modified nose powered Saito 60 could rolling 360s felt like flying full-scale ship Right Although insisting RC Special aerobatic Bill Winter inspired Makepeaces experience proceeded make result reflected John Huntons 47188 Special Modifications 1983 plan published Airborne included additional wing area different airfoil different wing tail incidence slimmer cleaner lines Huntons true-pressure cowl cowl houses though tight fit Johns own muffler produces 300-rpm jump over stock muffler March 1990 29 Safety/Preston Continued page 22 out battery being connected lucky bruised finger could have major accident type start has reported AMA Safety column read col umn doing yourself big disservice careful Dick Meehans receiver crystal fell out big Sopwith Pup ground time possibilities what might have happened air awesome opin ion design defect receiver crystal accessible outside thereby invit ing frequency changes retuning Crystals should changed retuning re ceiver also true transmitters re ceiver has plug-in crystal tape George Wilsons Litestik derivative Balsa USAs Stick 40 Plus doing radical re coveries dives loops sometimes two loops row asking second turned out problem caused too few rubberbands holding wing down wing lifting off fuselage chang ing angle attack Make sure use enough bands assure wing will lift' comment rubberbands should used hold down wing contained letter Russ Petersen Russ stated always taught need rubberband good condition side wing pound weight would mean eight-pound airplane would have 16 rubberbands hold whole thing together Control Line flying wire clips Its often get letters concerning CL activities recent Joe Wagner related experience friend Don Benson Fox 35powered Sig Chipmunk transition CL Free Flight clip-type wire connectors failed Joe stated Im referring dumbbell-shaped clips everyone uses hook control lines lead-outs handle particular ones failed almost soft easy bend copper wire airplane involved no armpuller because Don breaking en gine needle set very rich lines failed Chipmunk flying rather slowly Yet line connectors straightened pulled apart under light load CL flier should immediately check own connectors see softies checked own OKbut old-time make ones failed Don just bought recently believe recent manufacture think Joes letter clearly shows impor tance performing pull test lines before flying CL models Till next month have safe RC Special/Hunton Continued page 29 match three-channel models soaring stincts Makepeace Special visit Little Rock AR flapped Special Bill Kaluf met long-time full-scale pilot Ken Makepeace Ken also builds ultralights owns Blanik sailplane built flown original large-size Special years ago Its no wonder Special design ap pealed Ken full-scale back ground 1987 built another Special Airborne plans given him KaluD adding modifications bring closer full-scale practice Saito 60 fourstroker Ken used makes version fully aerobatic its flatbottomed airfoil model became first series able perform rolling 360s nose contour also changed ac commodate sheet metal coaming wing tips modified terminate flush top wing surface Another modifi cation use fabric fin attachment fairing like used Cubs Heres Ken described first flight upgraded Special obvious top notch model superb flier isnt floater RC Special original version wood Champion engine McNabb 465 radio will slow down flaps glide like its sliding down wire Winter column Scrapbox Model Airplane News Forties led Vernon McNabb allowing fly several experimental 465 systems before gained FCC approval first examination-free Citizenship system line sight pointed its stubby antenna looked like simplified latter-day TV roof antenna its signal could bounce off scoreboards tanks buildings etc sometimes made glitch-crazy beyond modern imagi nation Spark-ignition still vogue no thought about suppression hightension spark added frenzy chaos Drain its six-volt battery large 45 volt B eventually became hearing aid enormous requiring eight pencells reliability plus two escape ment receiver big modern 10oz fuel tank people often flew just ignition 09 rudder Live Wire trainer Trixter Beam early kits using system Sigma 4F relay adapted lowescapement voltage required such close contact setting minor earth tremor other side planet led horren dous vibration-induced out-of-control flights crashes Out-of-sights com mon Makepeace managed radio roaring Atwood Champion engine big 1948 Special beyond Forties no instructors typical modelers like myself may have known series parallel Yet assembled Aerotrol radio kits infamous gas tubes managed fly percentages success slightly higher tossing newborn babe pool ex pecting dog-paddle Some us pad dled Before us Rockwood Goods Walker et al showed us pool As fun fly participants aware much can accomplished through model design enhance chances winning events vertical performance rapid roll rates twitchy tight turn capability name few However above charac teristics lead toward stylized unrealistic models Perhaps fun-fly participa tion simply winning perhaps such thing competing class use classic design such Winter Special As originally designed 1940s model captures essence Golden Age Aviation Udated Bill Winter 1988 Special retains classic proportions solid flight charac teristics yet becomes very flexible ca pable fun-fly contender fact quick-attach/detach lower wing having two-thirds span chord top wing 47/88 Special has outstanding performance biplane has done well fun-fly biplane letter writer 1987 Bill Win ter expressed some additional thoughts design always just very stable pleas ant-looking -flying anybodys air plane design approach always has element full-scale favor con trol feedback realistic response makes sense actually air plane has life fly talks Like its designer Special has sense self fly will find yourself thinking full-scale termsits kind machine article will continue next month detailed plans ultimate 47/88 air craft Radio Technique/Myers Continued page 31 nections TRC manufacturer cant find address Maybe someone knows will see write Adhesives Another item Glue Box fered Ambroid contains epoxy fabric glue styrene glue vinyl glue cellulose cement old orange-colored Ambroid beloved What cant stick together can get GOOP clear silicone adhesive Gold berg Super Jet cyanoacrylate JB Plastic Weld two-part epoxy filled powdered steel Poly Zap some /16 rosin-cored 60/40 lead/tin solder package Stay-Brite silver solder Add sewing kit just wasnt anything couldnt stick together short metal welding Glue Box Ambroid Company Lowell MA 01853 GOOP Adhesive & Sealant Eclectic Pro ducts Inc Carson CA 90745 JB Weld J-B Weld Co. PO Box 483 Sulphur Springs TX 75482 Poly-Zap Pacer Technology Campbell CA 95008 Super Jet Carl Goldberg Models Continued page 140 March 1990 107
Edition: Model Aviation - 1990/03
Page Numbers: 24, 25, 26, 27, 28, 29, 107
Top Bill Winters RC Special scaled down 61 -in span mo ified three-channel photographed Fredericksburg VA ii 1982 help Ralph Davis Winter designed version ii late 70s originally powered K&B 19 subse quently uprated through 05 30 SuperTigre 35 finally F SuperTigre 46 Bill Kaluf handles booster Bill Winter flips ti start picture clearly shows correct vertical outline thi wider chord rudder Left Bill Winter right Bill Kaluf witi Kalufs later four-channel flaps-and-aileron Winter Special fron AMA Museum occasion models donation stil hangs today Above Bill Winters three-channel RC Specia photographed John Preston 1977 making low slow flyby lt steep dihedral angle permitted hands-off gentle 360s automat ic recovery original heading altitude model also hai ability soar thermalsa feature diminished later ver sions increases chord area reduced dihedral IF THERE WERE DC-3 model avia tion very top contenders thi title would Bill Winters classic design RC Special Designed Bill th ec 24 Model Aviation Now 5 1940s Special has resurrected over years minor modifications size changes number modelers well Winter himself its latest ver sion fun fly design will detailed Part Two model could very easily reach same 50-year service life plateau venerable Douglas Bill Winters models have always crystal lized essence classic design Special isnt Rearwin Speedster Piper J-3 Gullwing Stinson like Winters designs has proportions lines complement Golden Age Aviation classics Beyond outstanding looks Winters designs distinguished fly Bill concerned realistic honest per formance characteristics come through Special evidenced countless testimonials have built flown versions fact probably other factor solid realistic flight performance has responsible longevity design following paragraph Mervyn Buckmaster editor Airborne Australian model magazine illustrates point [There is] no other RC design almost 40 years old still continuously flown lone is] converted old-time Free Flight model use today still has fu ture original RC Special designed 1947 Bill Winter prototype built modeling great Walt Schroder did initial testing also flown late Cal Smith model 6-ft 7our decades development pioneer design climaxed e-of-the-art sport machine combines realism good a smooth-flying ultrastable performer unexpected abilitysuch rolling 360s youre up Part ne two EJohn Hunton Bill Winter March 1990 25 Left Ken Makepeace Little Rock AR RC Special built 1987 plans given him Bill Kaluf Ken made further modifications wing tips fin base nose model flaps ailerons powered Saito 60 four-stroker first RC Special series capable doing rolling 360s Above Photographer HA Thomas snapped Kens RC Special floating flaps down its final approach Editors note past few years Bill Winter has collaborated some unique folks Bill Evans 510 Motion Simitar Chet Lanzo presenting 1934 RC-1 elec tronic gimmickry day now John Hunton varied accomplish ments include design AMA Head quarters contributions field RPVs last collaboration almost didnt happen Winter cleaning house salvaged file RC Spe cial Hunton because aware ness Johns interest history fluke led anotherwith happy result understand Huntons ren dition 47188 RC Special barn burner article first two parts presents short history con tinuous use Bill Winters design trac ing its evolution years prior Korean War present rare 1950 photograph original RO Special depicts Bob Beckman preparing Bob built model fleet service Mediterranean bottom-hinged doors afforded access tube receiver typically mountei days rubberfrom corners its base cabin hooks relay extremely sensitive vi Bill Winter states receivers sling-shotted smithereens crashes Above Tom Schmitt photographed latest version RC Special 1988 cruised model product collaboration between Bill Winter original designer RC Special John Hunton Both gentlemen believe no further improvements could made enhance its intended flight envelope fully acrobatic airplane covered red silk dope commemorate 1947 pioneer Below left Viewing fuselage rear can see fairs smoothly tail facilitating air flow control re sponse special note top-hinged aileron mounted tapered spar intersecting elliptical wing tip producing noticeable washout building twist wing low right nose 47/88 Special displays its clean lines Details Huntons tight true-pressure cowl leaves no protuberance whatever included upcoming plans may have thought God want man fly would have c first flight huge stabilizer later years reduced greatly percentage area struck head upon launch tI model flew evidence co trol did land small airport tI short second flight landed airpo runway close under obviqus contro No control flights wandered wh seemed miles always ended up ti general vicinity launch point 0 ing field Since never gave up positionir escapement model free-flighte months No yo didnt arguments 1948 RC Special design put lished Mechanix Illustrated readership over 500000 people w also published MI Modelers Annual 1950 Ml article gives some interesi ing background basic design cor cepts Special grew out Winters di wingspan powered Ohis son Rice 60 novel feature de sign Wakefield-type knock-off wing tongue-and-box prototype flew well begin ning Bill recalls its early flights Wait Schroder insisted never control insisted controlled wayan argument unsettled day Bill Winter Actually Walt did test hand-launchinghe refused have thing flying himself Since pilot task fell time cussions Good brothers Ji Walker Gene Foxworthy Harry Guyej Ed Lorenz others receiver II single-tube superregenerati Good Brothers type using 50-54 meg cycle band Control rudder rubber-powered four-arm escap Left Bill Winter displaying another Jo.. po n, a,v upiiii uwIIg v John used fully cantilevered quick-remc.ig lowe .. thirds span uriurd top wing nere saigni rq duction speed otherwise model miuverable Right Bill Winter left John Hunton showing off latest col laborative effort 47/88 Special model weighs about 5l/41b powered OS 40 engine has wingspan about 61 26 Model AviationI lent thereby necessitating stable low-flying model RC Special ilit specifications also Liided philosophy its designer Realism appearance flight will lp promote RC Vinter single-tube superregenerative ceiver before superheterodynes iing air could hit weighed 18 z batteries receiver idled /2 mils dropped signal about 4 mils current change caused polarized re sy pull drop out Range mit vision radio system reliable new its demands receiver nna length determined snipping ff 4-in increments until A0-mil rise oted meter milliammeter also used luring tuning session nounted phone jack inserted ide fuselage sweep knob 2 NO AlL ~4ei ~JLK CON3 TRIM rAy Msc MNI CAL 4C7 ~TAlLrZE TONGLJB ANW ow&a5cAPamrr\ g big black transmitter hand held un dreamed used preflight tun ing helper walked out plane pi lot heard escapement click off swept dial tuning knob transmitter being positioned midway between two audible points pressing transmitter keying switch hold closed yielded half-right releasing caused fullright producing continuous tight turn Holding again yielded half-right re leasing gave neutral same sequence repeated make stop left turn Two consecutive turns same direction required going through opposite rudder back neutral back turn again learned talk oneself out loud keep track plane now would next fly RC days needed ham radio license required learning Morse code Winter The great majority folks no ticket Transmitter anten nas Y-shaped poles called folded dipoles stood almost high om Rumored presence meet dreaded FCC inspector caused phalanx antennas fold up drop quickly grassleaving few hams fly win control maneuvers could wereaccomplished rudder no engine control quite amazing up straight flight down spiral Ac cording Bill Winter good landing could made flaring spiral flight batteries weighed over pound large dipole antenna required make system work transmitter mounted rigidly antenna see sketch Winter Actually flared landing made initiating turn close ground returning quickly straight pathlike picking up wing lightplane landing kicking rudder same procedure prolonged spiral alti tude resulted either whip stall sought-after loop due excess airspeed lift climb would clear say tree gently rocking plane back forth rudder would result needed extra climb low power nothing rud der control such now-forgotten techniques essential fliers who built Winters realis AWENNA TANMIL MOtA4IIP Ot4 ftb-r BUTT NOTE 7H4 IWH 4W p16 77F GALt i I VIaWG TgANM TTJN& STATIN SETCJ4 J PlOLE Left original RC Special designed Bill Winter 1947 built Walt Schroder carried Good Brothers single-tube receiver weigh ing 18 oz including battery actuated via relay escapement rudder-only nonproportional control Plans published Mechanix Illustrated 1948 publishers Model Builders Annual 1950 Widely built model continuously updated until well proportional era Right Early man state-of-the-art Ia 1940s 1950s Good Brothers transmitting station dipole antenna Beacon Electronics crude especially todays standards system relatively reliable excellent range March 1990 27 I-jg g/c 5FCJAL 47 tic honest-flying model included noted Gi ant Scale author Bob Beckman shown Special 1950 photo Plans original design still available Glea son Enterprises 1704 29th Ave SE Rt 2 Box 125 Austin MN 55912 Scaled-down RC Special Three-channel Control 1970s Bill Winter reinterpreted basic RC Special design scaled-down version three-channel radio control published updated model Septem ber 1980 Model Aviation coinci dentally last issue under editorship scaled-down Special 61 4-in span designed help Ralph Davis Portsmouth VA Initially powered K&B 19 engine plane uprated OS 30 SuperTigre 35 finally SuperTigre 46 19-powered model flew gracefully could execute spins loops higher power versions course got fancier Winter Ralph sent tearsheets 1948 Mechanix Illustrated pictures enlarged modernized version com plete cowl inverted engine ailerons very little dihedral fourth Special looked like Rearwin Speed ster flew air shows clipping al lowed scale down original model Since scaling affects area square smaller version structurally modified flew like modern cabin sport model because wing loading climbed 22-23 oz/sq ft three-channel sportier version re tained realistic looks flight charac teristics original design Bill recalls comments like following about 1970s edition have allowed stran gers take over flighteven didnt know flown radio Some wring outspins snaps Most hardly touch just fly mouths hanging open say Thats nice Again tracked per fectly climbed moderately [with] phenom enal smoothness response [made delightfully groovy turns Bill goes found utter disbelief thi machine soared like crazy warm da vagrant lift rudder pro file published September 1980 Mi incorrect see two-view correc outline Model Aviation article also includes three-view variant tricycle landin gear semisymmetrical airfoil Davis Special Bill Winter recalls 1950 RC Spe cial out sight out mind Unknowj however people building years passed refined de veloped take advantage ever-improv ing radio systems advanced flying tech niques such effort Ralph Davis built four versions Special usc PIH&DAL 61 l/ SPAN K~ PCIAL 77 Eli 40 00 Z H~AL FLA APII 0 PECJAL LL ALLIF g IJL Left In 1977 Bill Winter went home scaled-down three-channel version successfully flown range engines K&B 19 SuperTigre 46 stunning ability soar thermals couldnt fully explained plans published Model Aviafion 1980 Right 1983 Bill Kaluf built version Winter redesigned flaps ailerons two degrees dihedral four-channel version published Australias Airborne magazine airplane powered OS 40 four-stroke engine 28 Model Aviation 0 0 Il4I ii TO46 ow team work 1970s version has barn core wings Winter Davis first model circa 1950 Neighed 12 lb first RC srea have takeoff abilitypowered Fox 35 curved planform outer area alphs wings beautiful fourth ver ion achieved open structure dded parallel-edged inner-wing foam ores Ralphs big show model ailerons Lnd very little dihedral Bill Kalufs Special uring early Eighties William Kaluf reated another update Bill Winters RC special Kaluf comments EThel design erested model classic good ooks ability soar Working Bill Winter both mail over vis ts Kaluf developed design incorpor sted flaps ailerons well longer nose As Kaluf explains like mod els look like full-scale airplanes Kalufs Special powered 05 40 four-stroke published July-August 1984 issue Airborne maga zine Plans probably still available Airborne 11 Cornwall Close Tullama rine Victoria 3043 Australia model now exhibit AMA Museum Ed itor Hurst Bowers museum curator has special prints Airborne plans avail able $500 goes AMA Library Museum Winter During visits Fredericksburg VA often flew Bill Kaluf Once engine off soared threechannel Special extreme altitude between two towering cumulus clouds Since un known reasons turns straight flight lift its right wed allow fly straight line resumed thermal ing its own Kaluf wanted modifications fourchannel control Besides flaps ailerons given two degrees dihedral three-channel plane five degrees Although could perform loops basic maneuvers especially aerobatic could however perform Immelmanns low slow flybys flaps down out touching throttle emphasis achieving feedback full-scaletype piloting made feel cockpit Airborne magazine has exclusively Aus sie content pleasant in-house major feature Kaluf photo graphed Special front AMA Headquarters made Airborne cover old plane old men coincided Airbornes best-selling issue date Kaluf added Winter RC Special latter being original designation doubt later version can Continued page 107 6 C-VItVE P TO MEET TP 2 1/411 lEN MAePACE B1J1LE AfTO iO ST FdeP FIN KFINEP WfrJ6P CONTVC11~N Z0HEgAL sWlR CHP -LON6E AIL&RO fWING PLA LJi TLIPIE~ F15LA6E CONTgVcTI7N aMI- MM&7ICJ Al WO IL JOt* UMTON IN& EZE FLACAIC LG Late 1986 Ken Makepeace Little Rock AR once built 409 originals inspired realistic flight characteristics Bill Kalufs 1983 four-channel RC Special Makepeaces version upswept wing tips faired fin modified nose powered Saito 60 could rolling 360s felt like flying full-scale ship Right Although insisting RC Special aerobatic Bill Winter inspired Makepeaces experience proceeded make result reflected John Huntons 47188 Special Modifications 1983 plan published Airborne included additional wing area different airfoil different wing tail incidence slimmer cleaner lines Huntons true-pressure cowl cowl houses though tight fit Johns own muffler produces 300-rpm jump over stock muffler March 1990 29 Safety/Preston Continued page 22 out battery being connected lucky bruised finger could have major accident type start has reported AMA Safety column read col umn doing yourself big disservice careful Dick Meehans receiver crystal fell out big Sopwith Pup ground time possibilities what might have happened air awesome opin ion design defect receiver crystal accessible outside thereby invit ing frequency changes retuning Crystals should changed retuning re ceiver also true transmitters re ceiver has plug-in crystal tape George Wilsons Litestik derivative Balsa USAs Stick 40 Plus doing radical re coveries dives loops sometimes two loops row asking second turned out problem caused too few rubberbands holding wing down wing lifting off fuselage chang ing angle attack Make sure use enough bands assure wing will lift' comment rubberbands should used hold down wing contained letter Russ Petersen Russ stated always taught need rubberband good condition side wing pound weight would mean eight-pound airplane would have 16 rubberbands hold whole thing together Control Line flying wire clips Its often get letters concerning CL activities recent Joe Wagner related experience friend Don Benson Fox 35powered Sig Chipmunk transition CL Free Flight clip-type wire connectors failed Joe stated Im referring dumbbell-shaped clips everyone uses hook control lines lead-outs handle particular ones failed almost soft easy bend copper wire airplane involved no armpuller because Don breaking en gine needle set very rich lines failed Chipmunk flying rather slowly Yet line connectors straightened pulled apart under light load CL flier should immediately check own connectors see softies checked own OKbut old-time make ones failed Don just bought recently believe recent manufacture think Joes letter clearly shows impor tance performing pull test lines before flying CL models Till next month have safe RC Special/Hunton Continued page 29 match three-channel models soaring stincts Makepeace Special visit Little Rock AR flapped Special Bill Kaluf met long-time full-scale pilot Ken Makepeace Ken also builds ultralights owns Blanik sailplane built flown original large-size Special years ago Its no wonder Special design ap pealed Ken full-scale back ground 1987 built another Special Airborne plans given him KaluD adding modifications bring closer full-scale practice Saito 60 fourstroker Ken used makes version fully aerobatic its flatbottomed airfoil model became first series able perform rolling 360s nose contour also changed ac commodate sheet metal coaming wing tips modified terminate flush top wing surface Another modifi cation use fabric fin attachment fairing like used Cubs Heres Ken described first flight upgraded Special obvious top notch model superb flier isnt floater RC Special original version wood Champion engine McNabb 465 radio will slow down flaps glide like its sliding down wire Winter column Scrapbox Model Airplane News Forties led Vernon McNabb allowing fly several experimental 465 systems before gained FCC approval first examination-free Citizenship system line sight pointed its stubby antenna looked like simplified latter-day TV roof antenna its signal could bounce off scoreboards tanks buildings etc sometimes made glitch-crazy beyond modern imagi nation Spark-ignition still vogue no thought about suppression hightension spark added frenzy chaos Drain its six-volt battery large 45 volt B eventually became hearing aid enormous requiring eight pencells reliability plus two escape ment receiver big modern 10oz fuel tank people often flew just ignition 09 rudder Live Wire trainer Trixter Beam early kits using system Sigma 4F relay adapted lowescapement voltage required such close contact setting minor earth tremor other side planet led horren dous vibration-induced out-of-control flights crashes Out-of-sights com mon Makepeace managed radio roaring Atwood Champion engine big 1948 Special beyond Forties no instructors typical modelers like myself may have known series parallel Yet assembled Aerotrol radio kits infamous gas tubes managed fly percentages success slightly higher tossing newborn babe pool ex pecting dog-paddle Some us pad dled Before us Rockwood Goods Walker et al showed us pool As fun fly participants aware much can accomplished through model design enhance chances winning events vertical performance rapid roll rates twitchy tight turn capability name few However above charac teristics lead toward stylized unrealistic models Perhaps fun-fly participa tion simply winning perhaps such thing competing class use classic design such Winter Special As originally designed 1940s model captures essence Golden Age Aviation Udated Bill Winter 1988 Special retains classic proportions solid flight charac teristics yet becomes very flexible ca pable fun-fly contender fact quick-attach/detach lower wing having two-thirds span chord top wing 47/88 Special has outstanding performance biplane has done well fun-fly biplane letter writer 1987 Bill Win ter expressed some additional thoughts design always just very stable pleas ant-looking -flying anybodys air plane design approach always has element full-scale favor con trol feedback realistic response makes sense actually air plane has life fly talks Like its designer Special has sense self fly will find yourself thinking full-scale termsits kind machine article will continue next month detailed plans ultimate 47/88 air craft Radio Technique/Myers Continued page 31 nections TRC manufacturer cant find address Maybe someone knows will see write Adhesives Another item Glue Box fered Ambroid contains epoxy fabric glue styrene glue vinyl glue cellulose cement old orange-colored Ambroid beloved What cant stick together can get GOOP clear silicone adhesive Gold berg Super Jet cyanoacrylate JB Plastic Weld two-part epoxy filled powdered steel Poly Zap some /16 rosin-cored 60/40 lead/tin solder package Stay-Brite silver solder Add sewing kit just wasnt anything couldnt stick together short metal welding Glue Box Ambroid Company Lowell MA 01853 GOOP Adhesive & Sealant Eclectic Pro ducts Inc Carson CA 90745 JB Weld J-B Weld Co. PO Box 483 Sulphur Springs TX 75482 Poly-Zap Pacer Technology Campbell CA 95008 Super Jet Carl Goldberg Models Continued page 140 March 1990 107
Edition: Model Aviation - 1990/03
Page Numbers: 24, 25, 26, 27, 28, 29, 107
Top Bill Winters RC Special scaled down 61 -in span mo ified three-channel photographed Fredericksburg VA ii 1982 help Ralph Davis Winter designed version ii late 70s originally powered K&B 19 subse quently uprated through 05 30 SuperTigre 35 finally F SuperTigre 46 Bill Kaluf handles booster Bill Winter flips ti start picture clearly shows correct vertical outline thi wider chord rudder Left Bill Winter right Bill Kaluf witi Kalufs later four-channel flaps-and-aileron Winter Special fron AMA Museum occasion models donation stil hangs today Above Bill Winters three-channel RC Specia photographed John Preston 1977 making low slow flyby lt steep dihedral angle permitted hands-off gentle 360s automat ic recovery original heading altitude model also hai ability soar thermalsa feature diminished later ver sions increases chord area reduced dihedral IF THERE WERE DC-3 model avia tion very top contenders thi title would Bill Winters classic design RC Special Designed Bill th ec 24 Model Aviation Now 5 1940s Special has resurrected over years minor modifications size changes number modelers well Winter himself its latest ver sion fun fly design will detailed Part Two model could very easily reach same 50-year service life plateau venerable Douglas Bill Winters models have always crystal lized essence classic design Special isnt Rearwin Speedster Piper J-3 Gullwing Stinson like Winters designs has proportions lines complement Golden Age Aviation classics Beyond outstanding looks Winters designs distinguished fly Bill concerned realistic honest per formance characteristics come through Special evidenced countless testimonials have built flown versions fact probably other factor solid realistic flight performance has responsible longevity design following paragraph Mervyn Buckmaster editor Airborne Australian model magazine illustrates point [There is] no other RC design almost 40 years old still continuously flown lone is] converted old-time Free Flight model use today still has fu ture original RC Special designed 1947 Bill Winter prototype built modeling great Walt Schroder did initial testing also flown late Cal Smith model 6-ft 7our decades development pioneer design climaxed e-of-the-art sport machine combines realism good a smooth-flying ultrastable performer unexpected abilitysuch rolling 360s youre up Part ne two EJohn Hunton Bill Winter March 1990 25 Left Ken Makepeace Little Rock AR RC Special built 1987 plans given him Bill Kaluf Ken made further modifications wing tips fin base nose model flaps ailerons powered Saito 60 four-stroker first RC Special series capable doing rolling 360s Above Photographer HA Thomas snapped Kens RC Special floating flaps down its final approach Editors note past few years Bill Winter has collaborated some unique folks Bill Evans 510 Motion Simitar Chet Lanzo presenting 1934 RC-1 elec tronic gimmickry day now John Hunton varied accomplish ments include design AMA Head quarters contributions field RPVs last collaboration almost didnt happen Winter cleaning house salvaged file RC Spe cial Hunton because aware ness Johns interest history fluke led anotherwith happy result understand Huntons ren dition 47188 RC Special barn burner article first two parts presents short history con tinuous use Bill Winters design trac ing its evolution years prior Korean War present rare 1950 photograph original RO Special depicts Bob Beckman preparing Bob built model fleet service Mediterranean bottom-hinged doors afforded access tube receiver typically mountei days rubberfrom corners its base cabin hooks relay extremely sensitive vi Bill Winter states receivers sling-shotted smithereens crashes Above Tom Schmitt photographed latest version RC Special 1988 cruised model product collaboration between Bill Winter original designer RC Special John Hunton Both gentlemen believe no further improvements could made enhance its intended flight envelope fully acrobatic airplane covered red silk dope commemorate 1947 pioneer Below left Viewing fuselage rear can see fairs smoothly tail facilitating air flow control re sponse special note top-hinged aileron mounted tapered spar intersecting elliptical wing tip producing noticeable washout building twist wing low right nose 47/88 Special displays its clean lines Details Huntons tight true-pressure cowl leaves no protuberance whatever included upcoming plans may have thought God want man fly would have c first flight huge stabilizer later years reduced greatly percentage area struck head upon launch tI model flew evidence co trol did land small airport tI short second flight landed airpo runway close under obviqus contro No control flights wandered wh seemed miles always ended up ti general vicinity launch point 0 ing field Since never gave up positionir escapement model free-flighte months No yo didnt arguments 1948 RC Special design put lished Mechanix Illustrated readership over 500000 people w also published MI Modelers Annual 1950 Ml article gives some interesi ing background basic design cor cepts Special grew out Winters di wingspan powered Ohis son Rice 60 novel feature de sign Wakefield-type knock-off wing tongue-and-box prototype flew well begin ning Bill recalls its early flights Wait Schroder insisted never control insisted controlled wayan argument unsettled day Bill Winter Actually Walt did test hand-launchinghe refused have thing flying himself Since pilot task fell time cussions Good brothers Ji Walker Gene Foxworthy Harry Guyej Ed Lorenz others receiver II single-tube superregenerati Good Brothers type using 50-54 meg cycle band Control rudder rubber-powered four-arm escap Left Bill Winter displaying another Jo.. po n, a,v upiiii uwIIg v John used fully cantilevered quick-remc.ig lowe .. thirds span uriurd top wing nere saigni rq duction speed otherwise model miuverable Right Bill Winter left John Hunton showing off latest col laborative effort 47/88 Special model weighs about 5l/41b powered OS 40 engine has wingspan about 61 26 Model AviationI lent thereby necessitating stable low-flying model RC Special ilit specifications also Liided philosophy its designer Realism appearance flight will lp promote RC Vinter single-tube superregenerative ceiver before superheterodynes iing air could hit weighed 18 z batteries receiver idled /2 mils dropped signal about 4 mils current change caused polarized re sy pull drop out Range mit vision radio system reliable new its demands receiver nna length determined snipping ff 4-in increments until A0-mil rise oted meter milliammeter also used luring tuning session nounted phone jack inserted ide fuselage sweep knob 2 NO AlL ~4ei ~JLK CON3 TRIM rAy Msc MNI CAL 4C7 ~TAlLrZE TONGLJB ANW ow&a5cAPamrr\ g big black transmitter hand held un dreamed used preflight tun ing helper walked out plane pi lot heard escapement click off swept dial tuning knob transmitter being positioned midway between two audible points pressing transmitter keying switch hold closed yielded half-right releasing caused fullright producing continuous tight turn Holding again yielded half-right re leasing gave neutral same sequence repeated make stop left turn Two consecutive turns same direction required going through opposite rudder back neutral back turn again learned talk oneself out loud keep track plane now would next fly RC days needed ham radio license required learning Morse code Winter The great majority folks no ticket Transmitter anten nas Y-shaped poles called folded dipoles stood almost high om Rumored presence meet dreaded FCC inspector caused phalanx antennas fold up drop quickly grassleaving few hams fly win control maneuvers could wereaccomplished rudder no engine control quite amazing up straight flight down spiral Ac cording Bill Winter good landing could made flaring spiral flight batteries weighed over pound large dipole antenna required make system work transmitter mounted rigidly antenna see sketch Winter Actually flared landing made initiating turn close ground returning quickly straight pathlike picking up wing lightplane landing kicking rudder same procedure prolonged spiral alti tude resulted either whip stall sought-after loop due excess airspeed lift climb would clear say tree gently rocking plane back forth rudder would result needed extra climb low power nothing rud der control such now-forgotten techniques essential fliers who built Winters realis AWENNA TANMIL MOtA4IIP Ot4 ftb-r BUTT NOTE 7H4 IWH 4W p16 77F GALt i I VIaWG TgANM TTJN& STATIN SETCJ4 J PlOLE Left original RC Special designed Bill Winter 1947 built Walt Schroder carried Good Brothers single-tube receiver weigh ing 18 oz including battery actuated via relay escapement rudder-only nonproportional control Plans published Mechanix Illustrated 1948 publishers Model Builders Annual 1950 Widely built model continuously updated until well proportional era Right Early man state-of-the-art Ia 1940s 1950s Good Brothers transmitting station dipole antenna Beacon Electronics crude especially todays standards system relatively reliable excellent range March 1990 27 I-jg g/c 5FCJAL 47 tic honest-flying model included noted Gi ant Scale author Bob Beckman shown Special 1950 photo Plans original design still available Glea son Enterprises 1704 29th Ave SE Rt 2 Box 125 Austin MN 55912 Scaled-down RC Special Three-channel Control 1970s Bill Winter reinterpreted basic RC Special design scaled-down version three-channel radio control published updated model Septem ber 1980 Model Aviation coinci dentally last issue under editorship scaled-down Special 61 4-in span designed help Ralph Davis Portsmouth VA Initially powered K&B 19 engine plane uprated OS 30 SuperTigre 35 finally SuperTigre 46 19-powered model flew gracefully could execute spins loops higher power versions course got fancier Winter Ralph sent tearsheets 1948 Mechanix Illustrated pictures enlarged modernized version com plete cowl inverted engine ailerons very little dihedral fourth Special looked like Rearwin Speed ster flew air shows clipping al lowed scale down original model Since scaling affects area square smaller version structurally modified flew like modern cabin sport model because wing loading climbed 22-23 oz/sq ft three-channel sportier version re tained realistic looks flight charac teristics original design Bill recalls comments like following about 1970s edition have allowed stran gers take over flighteven didnt know flown radio Some wring outspins snaps Most hardly touch just fly mouths hanging open say Thats nice Again tracked per fectly climbed moderately [with] phenom enal smoothness response [made delightfully groovy turns Bill goes found utter disbelief thi machine soared like crazy warm da vagrant lift rudder pro file published September 1980 Mi incorrect see two-view correc outline Model Aviation article also includes three-view variant tricycle landin gear semisymmetrical airfoil Davis Special Bill Winter recalls 1950 RC Spe cial out sight out mind Unknowj however people building years passed refined de veloped take advantage ever-improv ing radio systems advanced flying tech niques such effort Ralph Davis built four versions Special usc PIH&DAL 61 l/ SPAN K~ PCIAL 77 Eli 40 00 Z H~AL FLA APII 0 PECJAL LL ALLIF g IJL Left In 1977 Bill Winter went home scaled-down three-channel version successfully flown range engines K&B 19 SuperTigre 46 stunning ability soar thermals couldnt fully explained plans published Model Aviafion 1980 Right 1983 Bill Kaluf built version Winter redesigned flaps ailerons two degrees dihedral four-channel version published Australias Airborne magazine airplane powered OS 40 four-stroke engine 28 Model Aviation 0 0 Il4I ii TO46 ow team work 1970s version has barn core wings Winter Davis first model circa 1950 Neighed 12 lb first RC srea have takeoff abilitypowered Fox 35 curved planform outer area alphs wings beautiful fourth ver ion achieved open structure dded parallel-edged inner-wing foam ores Ralphs big show model ailerons Lnd very little dihedral Bill Kalufs Special uring early Eighties William Kaluf reated another update Bill Winters RC special Kaluf comments EThel design erested model classic good ooks ability soar Working Bill Winter both mail over vis ts Kaluf developed design incorpor sted flaps ailerons well longer nose As Kaluf explains like mod els look like full-scale airplanes Kalufs Special powered 05 40 four-stroke published July-August 1984 issue Airborne maga zine Plans probably still available Airborne 11 Cornwall Close Tullama rine Victoria 3043 Australia model now exhibit AMA Museum Ed itor Hurst Bowers museum curator has special prints Airborne plans avail able $500 goes AMA Library Museum Winter During visits Fredericksburg VA often flew Bill Kaluf Once engine off soared threechannel Special extreme altitude between two towering cumulus clouds Since un known reasons turns straight flight lift its right wed allow fly straight line resumed thermal ing its own Kaluf wanted modifications fourchannel control Besides flaps ailerons given two degrees dihedral three-channel plane five degrees Although could perform loops basic maneuvers especially aerobatic could however perform Immelmanns low slow flybys flaps down out touching throttle emphasis achieving feedback full-scaletype piloting made feel cockpit Airborne magazine has exclusively Aus sie content pleasant in-house major feature Kaluf photo graphed Special front AMA Headquarters made Airborne cover old plane old men coincided Airbornes best-selling issue date Kaluf added Winter RC Special latter being original designation doubt later version can Continued page 107 6 C-VItVE P TO MEET TP 2 1/411 lEN MAePACE B1J1LE AfTO iO ST FdeP FIN KFINEP WfrJ6P CONTVC11~N Z0HEgAL sWlR CHP -LON6E AIL&RO fWING PLA LJi TLIPIE~ F15LA6E CONTgVcTI7N aMI- MM&7ICJ Al WO IL JOt* UMTON IN& EZE FLACAIC LG Late 1986 Ken Makepeace Little Rock AR once built 409 originals inspired realistic flight characteristics Bill Kalufs 1983 four-channel RC Special Makepeaces version upswept wing tips faired fin modified nose powered Saito 60 could rolling 360s felt like flying full-scale ship Right Although insisting RC Special aerobatic Bill Winter inspired Makepeaces experience proceeded make result reflected John Huntons 47188 Special Modifications 1983 plan published Airborne included additional wing area different airfoil different wing tail incidence slimmer cleaner lines Huntons true-pressure cowl cowl houses though tight fit Johns own muffler produces 300-rpm jump over stock muffler March 1990 29 Safety/Preston Continued page 22 out battery being connected lucky bruised finger could have major accident type start has reported AMA Safety column read col umn doing yourself big disservice careful Dick Meehans receiver crystal fell out big Sopwith Pup ground time possibilities what might have happened air awesome opin ion design defect receiver crystal accessible outside thereby invit ing frequency changes retuning Crystals should changed retuning re ceiver also true transmitters re ceiver has plug-in crystal tape George Wilsons Litestik derivative Balsa USAs Stick 40 Plus doing radical re coveries dives loops sometimes two loops row asking second turned out problem caused too few rubberbands holding wing down wing lifting off fuselage chang ing angle attack Make sure use enough bands assure wing will lift' comment rubberbands should used hold down wing contained letter Russ Petersen Russ stated always taught need rubberband good condition side wing pound weight would mean eight-pound airplane would have 16 rubberbands hold whole thing together Control Line flying wire clips Its often get letters concerning CL activities recent Joe Wagner related experience friend Don Benson Fox 35powered Sig Chipmunk transition CL Free Flight clip-type wire connectors failed Joe stated Im referring dumbbell-shaped clips everyone uses hook control lines lead-outs handle particular ones failed almost soft easy bend copper wire airplane involved no armpuller because Don breaking en gine needle set very rich lines failed Chipmunk flying rather slowly Yet line connectors straightened pulled apart under light load CL flier should immediately check own connectors see softies checked own OKbut old-time make ones failed Don just bought recently believe recent manufacture think Joes letter clearly shows impor tance performing pull test lines before flying CL models Till next month have safe RC Special/Hunton Continued page 29 match three-channel models soaring stincts Makepeace Special visit Little Rock AR flapped Special Bill Kaluf met long-time full-scale pilot Ken Makepeace Ken also builds ultralights owns Blanik sailplane built flown original large-size Special years ago Its no wonder Special design ap pealed Ken full-scale back ground 1987 built another Special Airborne plans given him KaluD adding modifications bring closer full-scale practice Saito 60 fourstroker Ken used makes version fully aerobatic its flatbottomed airfoil model became first series able perform rolling 360s nose contour also changed ac commodate sheet metal coaming wing tips modified terminate flush top wing surface Another modifi cation use fabric fin attachment fairing like used Cubs Heres Ken described first flight upgraded Special obvious top notch model superb flier isnt floater RC Special original version wood Champion engine McNabb 465 radio will slow down flaps glide like its sliding down wire Winter column Scrapbox Model Airplane News Forties led Vernon McNabb allowing fly several experimental 465 systems before gained FCC approval first examination-free Citizenship system line sight pointed its stubby antenna looked like simplified latter-day TV roof antenna its signal could bounce off scoreboards tanks buildings etc sometimes made glitch-crazy beyond modern imagi nation Spark-ignition still vogue no thought about suppression hightension spark added frenzy chaos Drain its six-volt battery large 45 volt B eventually became hearing aid enormous requiring eight pencells reliability plus two escape ment receiver big modern 10oz fuel tank people often flew just ignition 09 rudder Live Wire trainer Trixter Beam early kits using system Sigma 4F relay adapted lowescapement voltage required such close contact setting minor earth tremor other side planet led horren dous vibration-induced out-of-control flights crashes Out-of-sights com mon Makepeace managed radio roaring Atwood Champion engine big 1948 Special beyond Forties no instructors typical modelers like myself may have known series parallel Yet assembled Aerotrol radio kits infamous gas tubes managed fly percentages success slightly higher tossing newborn babe pool ex pecting dog-paddle Some us pad dled Before us Rockwood Goods Walker et al showed us pool As fun fly participants aware much can accomplished through model design enhance chances winning events vertical performance rapid roll rates twitchy tight turn capability name few However above charac teristics lead toward stylized unrealistic models Perhaps fun-fly participa tion simply winning perhaps such thing competing class use classic design such Winter Special As originally designed 1940s model captures essence Golden Age Aviation Udated Bill Winter 1988 Special retains classic proportions solid flight charac teristics yet becomes very flexible ca pable fun-fly contender fact quick-attach/detach lower wing having two-thirds span chord top wing 47/88 Special has outstanding performance biplane has done well fun-fly biplane letter writer 1987 Bill Win ter expressed some additional thoughts design always just very stable pleas ant-looking -flying anybodys air plane design approach always has element full-scale favor con trol feedback realistic response makes sense actually air plane has life fly talks Like its designer Special has sense self fly will find yourself thinking full-scale termsits kind machine article will continue next month detailed plans ultimate 47/88 air craft Radio Technique/Myers Continued page 31 nections TRC manufacturer cant find address Maybe someone knows will see write Adhesives Another item Glue Box fered Ambroid contains epoxy fabric glue styrene glue vinyl glue cellulose cement old orange-colored Ambroid beloved What cant stick together can get GOOP clear silicone adhesive Gold berg Super Jet cyanoacrylate JB Plastic Weld two-part epoxy filled powdered steel Poly Zap some /16 rosin-cored 60/40 lead/tin solder package Stay-Brite silver solder Add sewing kit just wasnt anything couldnt stick together short metal welding Glue Box Ambroid Company Lowell MA 01853 GOOP Adhesive & Sealant Eclectic Pro ducts Inc Carson CA 90745 JB Weld J-B Weld Co. PO Box 483 Sulphur Springs TX 75482 Poly-Zap Pacer Technology Campbell CA 95008 Super Jet Carl Goldberg Models Continued page 140 March 1990 107
Edition: Model Aviation - 1990/03
Page Numbers: 24, 25, 26, 27, 28, 29, 107
Top Bill Winters RC Special scaled down 61 -in span mo ified three-channel photographed Fredericksburg VA ii 1982 help Ralph Davis Winter designed version ii late 70s originally powered K&B 19 subse quently uprated through 05 30 SuperTigre 35 finally F SuperTigre 46 Bill Kaluf handles booster Bill Winter flips ti start picture clearly shows correct vertical outline thi wider chord rudder Left Bill Winter right Bill Kaluf witi Kalufs later four-channel flaps-and-aileron Winter Special fron AMA Museum occasion models donation stil hangs today Above Bill Winters three-channel RC Specia photographed John Preston 1977 making low slow flyby lt steep dihedral angle permitted hands-off gentle 360s automat ic recovery original heading altitude model also hai ability soar thermalsa feature diminished later ver sions increases chord area reduced dihedral IF THERE WERE DC-3 model avia tion very top contenders thi title would Bill Winters classic design RC Special Designed Bill th ec 24 Model Aviation Now 5 1940s Special has resurrected over years minor modifications size changes number modelers well Winter himself its latest ver sion fun fly design will detailed Part Two model could very easily reach same 50-year service life plateau venerable Douglas Bill Winters models have always crystal lized essence classic design Special isnt Rearwin Speedster Piper J-3 Gullwing Stinson like Winters designs has proportions lines complement Golden Age Aviation classics Beyond outstanding looks Winters designs distinguished fly Bill concerned realistic honest per formance characteristics come through Special evidenced countless testimonials have built flown versions fact probably other factor solid realistic flight performance has responsible longevity design following paragraph Mervyn Buckmaster editor Airborne Australian model magazine illustrates point [There is] no other RC design almost 40 years old still continuously flown lone is] converted old-time Free Flight model use today still has fu ture original RC Special designed 1947 Bill Winter prototype built modeling great Walt Schroder did initial testing also flown late Cal Smith model 6-ft 7our decades development pioneer design climaxed e-of-the-art sport machine combines realism good a smooth-flying ultrastable performer unexpected abilitysuch rolling 360s youre up Part ne two EJohn Hunton Bill Winter March 1990 25 Left Ken Makepeace Little Rock AR RC Special built 1987 plans given him Bill Kaluf Ken made further modifications wing tips fin base nose model flaps ailerons powered Saito 60 four-stroker first RC Special series capable doing rolling 360s Above Photographer HA Thomas snapped Kens RC Special floating flaps down its final approach Editors note past few years Bill Winter has collaborated some unique folks Bill Evans 510 Motion Simitar Chet Lanzo presenting 1934 RC-1 elec tronic gimmickry day now John Hunton varied accomplish ments include design AMA Head quarters contributions field RPVs last collaboration almost didnt happen Winter cleaning house salvaged file RC Spe cial Hunton because aware ness Johns interest history fluke led anotherwith happy result understand Huntons ren dition 47188 RC Special barn burner article first two parts presents short history con tinuous use Bill Winters design trac ing its evolution years prior Korean War present rare 1950 photograph original RO Special depicts Bob Beckman preparing Bob built model fleet service Mediterranean bottom-hinged doors afforded access tube receiver typically mountei days rubberfrom corners its base cabin hooks relay extremely sensitive vi Bill Winter states receivers sling-shotted smithereens crashes Above Tom Schmitt photographed latest version RC Special 1988 cruised model product collaboration between Bill Winter original designer RC Special John Hunton Both gentlemen believe no further improvements could made enhance its intended flight envelope fully acrobatic airplane covered red silk dope commemorate 1947 pioneer Below left Viewing fuselage rear can see fairs smoothly tail facilitating air flow control re sponse special note top-hinged aileron mounted tapered spar intersecting elliptical wing tip producing noticeable washout building twist wing low right nose 47/88 Special displays its clean lines Details Huntons tight true-pressure cowl leaves no protuberance whatever included upcoming plans may have thought God want man fly would have c first flight huge stabilizer later years reduced greatly percentage area struck head upon launch tI model flew evidence co trol did land small airport tI short second flight landed airpo runway close under obviqus contro No control flights wandered wh seemed miles always ended up ti general vicinity launch point 0 ing field Since never gave up positionir escapement model free-flighte months No yo didnt arguments 1948 RC Special design put lished Mechanix Illustrated readership over 500000 people w also published MI Modelers Annual 1950 Ml article gives some interesi ing background basic design cor cepts Special grew out Winters di wingspan powered Ohis son Rice 60 novel feature de sign Wakefield-type knock-off wing tongue-and-box prototype flew well begin ning Bill recalls its early flights Wait Schroder insisted never control insisted controlled wayan argument unsettled day Bill Winter Actually Walt did test hand-launchinghe refused have thing flying himself Since pilot task fell time cussions Good brothers Ji Walker Gene Foxworthy Harry Guyej Ed Lorenz others receiver II single-tube superregenerati Good Brothers type using 50-54 meg cycle band Control rudder rubber-powered four-arm escap Left Bill Winter displaying another Jo.. po n, a,v upiiii uwIIg v John used fully cantilevered quick-remc.ig lowe .. thirds span uriurd top wing nere saigni rq duction speed otherwise model miuverable Right Bill Winter left John Hunton showing off latest col laborative effort 47/88 Special model weighs about 5l/41b powered OS 40 engine has wingspan about 61 26 Model AviationI lent thereby necessitating stable low-flying model RC Special ilit specifications also Liided philosophy its designer Realism appearance flight will lp promote RC Vinter single-tube superregenerative ceiver before superheterodynes iing air could hit weighed 18 z batteries receiver idled /2 mils dropped signal about 4 mils current change caused polarized re sy pull drop out Range mit vision radio system reliable new its demands receiver nna length determined snipping ff 4-in increments until A0-mil rise oted meter milliammeter also used luring tuning session nounted phone jack inserted ide fuselage sweep knob 2 NO AlL ~4ei ~JLK CON3 TRIM rAy Msc MNI CAL 4C7 ~TAlLrZE TONGLJB ANW ow&a5cAPamrr\ g big black transmitter hand held un dreamed used preflight tun ing helper walked out plane pi lot heard escapement click off swept dial tuning knob transmitter being positioned midway between two audible points pressing transmitter keying switch hold closed yielded half-right releasing caused fullright producing continuous tight turn Holding again yielded half-right re leasing gave neutral same sequence repeated make stop left turn Two consecutive turns same direction required going through opposite rudder back neutral back turn again learned talk oneself out loud keep track plane now would next fly RC days needed ham radio license required learning Morse code Winter The great majority folks no ticket Transmitter anten nas Y-shaped poles called folded dipoles stood almost high om Rumored presence meet dreaded FCC inspector caused phalanx antennas fold up drop quickly grassleaving few hams fly win control maneuvers could wereaccomplished rudder no engine control quite amazing up straight flight down spiral Ac cording Bill Winter good landing could made flaring spiral flight batteries weighed over pound large dipole antenna required make system work transmitter mounted rigidly antenna see sketch Winter Actually flared landing made initiating turn close ground returning quickly straight pathlike picking up wing lightplane landing kicking rudder same procedure prolonged spiral alti tude resulted either whip stall sought-after loop due excess airspeed lift climb would clear say tree gently rocking plane back forth rudder would result needed extra climb low power nothing rud der control such now-forgotten techniques essential fliers who built Winters realis AWENNA TANMIL MOtA4IIP Ot4 ftb-r BUTT NOTE 7H4 IWH 4W p16 77F GALt i I VIaWG TgANM TTJN& STATIN SETCJ4 J PlOLE Left original RC Special designed Bill Winter 1947 built Walt Schroder carried Good Brothers single-tube receiver weigh ing 18 oz including battery actuated via relay escapement rudder-only nonproportional control Plans published Mechanix Illustrated 1948 publishers Model Builders Annual 1950 Widely built model continuously updated until well proportional era Right Early man state-of-the-art Ia 1940s 1950s Good Brothers transmitting station dipole antenna Beacon Electronics crude especially todays standards system relatively reliable excellent range March 1990 27 I-jg g/c 5FCJAL 47 tic honest-flying model included noted Gi ant Scale author Bob Beckman shown Special 1950 photo Plans original design still available Glea son Enterprises 1704 29th Ave SE Rt 2 Box 125 Austin MN 55912 Scaled-down RC Special Three-channel Control 1970s Bill Winter reinterpreted basic RC Special design scaled-down version three-channel radio control published updated model Septem ber 1980 Model Aviation coinci dentally last issue under editorship scaled-down Special 61 4-in span designed help Ralph Davis Portsmouth VA Initially powered K&B 19 engine plane uprated OS 30 SuperTigre 35 finally SuperTigre 46 19-powered model flew gracefully could execute spins loops higher power versions course got fancier Winter Ralph sent tearsheets 1948 Mechanix Illustrated pictures enlarged modernized version com plete cowl inverted engine ailerons very little dihedral fourth Special looked like Rearwin Speed ster flew air shows clipping al lowed scale down original model Since scaling affects area square smaller version structurally modified flew like modern cabin sport model because wing loading climbed 22-23 oz/sq ft three-channel sportier version re tained realistic looks flight charac teristics original design Bill recalls comments like following about 1970s edition have allowed stran gers take over flighteven didnt know flown radio Some wring outspins snaps Most hardly touch just fly mouths hanging open say Thats nice Again tracked per fectly climbed moderately [with] phenom enal smoothness response [made delightfully groovy turns Bill goes found utter disbelief thi machine soared like crazy warm da vagrant lift rudder pro file published September 1980 Mi incorrect see two-view correc outline Model Aviation article also includes three-view variant tricycle landin gear semisymmetrical airfoil Davis Special Bill Winter recalls 1950 RC Spe cial out sight out mind Unknowj however people building years passed refined de veloped take advantage ever-improv ing radio systems advanced flying tech niques such effort Ralph Davis built four versions Special usc PIH&DAL 61 l/ SPAN K~ PCIAL 77 Eli 40 00 Z H~AL FLA APII 0 PECJAL LL ALLIF g IJL Left In 1977 Bill Winter went home scaled-down three-channel version successfully flown range engines K&B 19 SuperTigre 46 stunning ability soar thermals couldnt fully explained plans published Model Aviafion 1980 Right 1983 Bill Kaluf built version Winter redesigned flaps ailerons two degrees dihedral four-channel version published Australias Airborne magazine airplane powered OS 40 four-stroke engine 28 Model Aviation 0 0 Il4I ii TO46 ow team work 1970s version has barn core wings Winter Davis first model circa 1950 Neighed 12 lb first RC srea have takeoff abilitypowered Fox 35 curved planform outer area alphs wings beautiful fourth ver ion achieved open structure dded parallel-edged inner-wing foam ores Ralphs big show model ailerons Lnd very little dihedral Bill Kalufs Special uring early Eighties William Kaluf reated another update Bill Winters RC special Kaluf comments EThel design erested model classic good ooks ability soar Working Bill Winter both mail over vis ts Kaluf developed design incorpor sted flaps ailerons well longer nose As Kaluf explains like mod els look like full-scale airplanes Kalufs Special powered 05 40 four-stroke published July-August 1984 issue Airborne maga zine Plans probably still available Airborne 11 Cornwall Close Tullama rine Victoria 3043 Australia model now exhibit AMA Museum Ed itor Hurst Bowers museum curator has special prints Airborne plans avail able $500 goes AMA Library Museum Winter During visits Fredericksburg VA often flew Bill Kaluf Once engine off soared threechannel Special extreme altitude between two towering cumulus clouds Since un known reasons turns straight flight lift its right wed allow fly straight line resumed thermal ing its own Kaluf wanted modifications fourchannel control Besides flaps ailerons given two degrees dihedral three-channel plane five degrees Although could perform loops basic maneuvers especially aerobatic could however perform Immelmanns low slow flybys flaps down out touching throttle emphasis achieving feedback full-scaletype piloting made feel cockpit Airborne magazine has exclusively Aus sie content pleasant in-house major feature Kaluf photo graphed Special front AMA Headquarters made Airborne cover old plane old men coincided Airbornes best-selling issue date Kaluf added Winter RC Special latter being original designation doubt later version can Continued page 107 6 C-VItVE P TO MEET TP 2 1/411 lEN MAePACE B1J1LE AfTO iO ST FdeP FIN KFINEP WfrJ6P CONTVC11~N Z0HEgAL sWlR CHP -LON6E AIL&RO fWING PLA LJi TLIPIE~ F15LA6E CONTgVcTI7N aMI- MM&7ICJ Al WO IL JOt* UMTON IN& EZE FLACAIC LG Late 1986 Ken Makepeace Little Rock AR once built 409 originals inspired realistic flight characteristics Bill Kalufs 1983 four-channel RC Special Makepeaces version upswept wing tips faired fin modified nose powered Saito 60 could rolling 360s felt like flying full-scale ship Right Although insisting RC Special aerobatic Bill Winter inspired Makepeaces experience proceeded make result reflected John Huntons 47188 Special Modifications 1983 plan published Airborne included additional wing area different airfoil different wing tail incidence slimmer cleaner lines Huntons true-pressure cowl cowl houses though tight fit Johns own muffler produces 300-rpm jump over stock muffler March 1990 29 Safety/Preston Continued page 22 out battery being connected lucky bruised finger could have major accident type start has reported AMA Safety column read col umn doing yourself big disservice careful Dick Meehans receiver crystal fell out big Sopwith Pup ground time possibilities what might have happened air awesome opin ion design defect receiver crystal accessible outside thereby invit ing frequency changes retuning Crystals should changed retuning re ceiver also true transmitters re ceiver has plug-in crystal tape George Wilsons Litestik derivative Balsa USAs Stick 40 Plus doing radical re coveries dives loops sometimes two loops row asking second turned out problem caused too few rubberbands holding wing down wing lifting off fuselage chang ing angle attack Make sure use enough bands assure wing will lift' comment rubberbands should used hold down wing contained letter Russ Petersen Russ stated always taught need rubberband good condition side wing pound weight would mean eight-pound airplane would have 16 rubberbands hold whole thing together Control Line flying wire clips Its often get letters concerning CL activities recent Joe Wagner related experience friend Don Benson Fox 35powered Sig Chipmunk transition CL Free Flight clip-type wire connectors failed Joe stated Im referring dumbbell-shaped clips everyone uses hook control lines lead-outs handle particular ones failed almost soft easy bend copper wire airplane involved no armpuller because Don breaking en gine needle set very rich lines failed Chipmunk flying rather slowly Yet line connectors straightened pulled apart under light load CL flier should immediately check own connectors see softies checked own OKbut old-time make ones failed Don just bought recently believe recent manufacture think Joes letter clearly shows impor tance performing pull test lines before flying CL models Till next month have safe RC Special/Hunton Continued page 29 match three-channel models soaring stincts Makepeace Special visit Little Rock AR flapped Special Bill Kaluf met long-time full-scale pilot Ken Makepeace Ken also builds ultralights owns Blanik sailplane built flown original large-size Special years ago Its no wonder Special design ap pealed Ken full-scale back ground 1987 built another Special Airborne plans given him KaluD adding modifications bring closer full-scale practice Saito 60 fourstroker Ken used makes version fully aerobatic its flatbottomed airfoil model became first series able perform rolling 360s nose contour also changed ac commodate sheet metal coaming wing tips modified terminate flush top wing surface Another modifi cation use fabric fin attachment fairing like used Cubs Heres Ken described first flight upgraded Special obvious top notch model superb flier isnt floater RC Special original version wood Champion engine McNabb 465 radio will slow down flaps glide like its sliding down wire Winter column Scrapbox Model Airplane News Forties led Vernon McNabb allowing fly several experimental 465 systems before gained FCC approval first examination-free Citizenship system line sight pointed its stubby antenna looked like simplified latter-day TV roof antenna its signal could bounce off scoreboards tanks buildings etc sometimes made glitch-crazy beyond modern imagi nation Spark-ignition still vogue no thought about suppression hightension spark added frenzy chaos Drain its six-volt battery large 45 volt B eventually became hearing aid enormous requiring eight pencells reliability plus two escape ment receiver big modern 10oz fuel tank people often flew just ignition 09 rudder Live Wire trainer Trixter Beam early kits using system Sigma 4F relay adapted lowescapement voltage required such close contact setting minor earth tremor other side planet led horren dous vibration-induced out-of-control flights crashes Out-of-sights com mon Makepeace managed radio roaring Atwood Champion engine big 1948 Special beyond Forties no instructors typical modelers like myself may have known series parallel Yet assembled Aerotrol radio kits infamous gas tubes managed fly percentages success slightly higher tossing newborn babe pool ex pecting dog-paddle Some us pad dled Before us Rockwood Goods Walker et al showed us pool As fun fly participants aware much can accomplished through model design enhance chances winning events vertical performance rapid roll rates twitchy tight turn capability name few However above charac teristics lead toward stylized unrealistic models Perhaps fun-fly participa tion simply winning perhaps such thing competing class use classic design such Winter Special As originally designed 1940s model captures essence Golden Age Aviation Udated Bill Winter 1988 Special retains classic proportions solid flight charac teristics yet becomes very flexible ca pable fun-fly contender fact quick-attach/detach lower wing having two-thirds span chord top wing 47/88 Special has outstanding performance biplane has done well fun-fly biplane letter writer 1987 Bill Win ter expressed some additional thoughts design always just very stable pleas ant-looking -flying anybodys air plane design approach always has element full-scale favor con trol feedback realistic response makes sense actually air plane has life fly talks Like its designer Special has sense self fly will find yourself thinking full-scale termsits kind machine article will continue next month detailed plans ultimate 47/88 air craft Radio Technique/Myers Continued page 31 nections TRC manufacturer cant find address Maybe someone knows will see write Adhesives Another item Glue Box fered Ambroid contains epoxy fabric glue styrene glue vinyl glue cellulose cement old orange-colored Ambroid beloved What cant stick together can get GOOP clear silicone adhesive Gold berg Super Jet cyanoacrylate JB Plastic Weld two-part epoxy filled powdered steel Poly Zap some /16 rosin-cored 60/40 lead/tin solder package Stay-Brite silver solder Add sewing kit just wasnt anything couldnt stick together short metal welding Glue Box Ambroid Company Lowell MA 01853 GOOP Adhesive & Sealant Eclectic Pro ducts Inc Carson CA 90745 JB Weld J-B Weld Co. PO Box 483 Sulphur Springs TX 75482 Poly-Zap Pacer Technology Campbell CA 95008 Super Jet Carl Goldberg Models Continued page 140 March 1990 107