THE 1977 individual R/C aerobatics world champion Hanno Prettner Aus tria US champion team among 61 fliers 24 teams respectively Six qualifiers survived four rounds competition met flyoffs determine individual placings Although informal test flying model processing entry FAT license registra tion scheduled during Wed June 29 1st formal procedures 1977 World Championships held Thurs June 30 Scheduled test flying con ducted accordance official schedule procedures would simu late actual competition 2 pm opening ceremony began com petition Team managers 24 countries raised respective flags short very impressive ceremony Official competition flying have started 830 am Fri July 1 just after dark fierce storm moved through Springfield area arrived contest site about 8 am greeted shambles main circus style tent supposed house competitors airplanes sorted equipment found tatters twisted wreck tables model boxes bottom Campers site AMA officials Civil Air Patrol work ers struggled late night pro tect competitors gear improvised coverings Consequently little damage models equipment large food tent also destroyed wind rain site such mess start competition delayed until 930 am took substantial effort bring off early midst chaos surprising able obtain erect substitute tents midafternoon tent area looked nothing ever happened sound planning management hard work contest manager John Spal ding contest director Tom Rankin really paid off As soon competition began contest organization functioned like tuned machine flight line arrangement quite different Team Finals 2 flight lines separated 2000 ft Bob Scott Charles Calvert line chief starter/timer team line Don Lindley Don Lowe holding respective jobs line 2 line 5 judges roll timer 5 flashers dicate judges scores spectators 1st Round Rhett Miller 1st competitor up line Midway through Double Tm melmann became obvious some ng wrong airplane re spring transmitter aileron gim hal broken leaving him no stick centering Rhett no alternative land airplane suffer 860 score flight Since scores best 3 4 flights used deter team championship com petitors go 2 rounds flyoffs Rhett difficult task facing him Only top 10% 6 fliers would make flyoffs relatively light crosswind breeze present start competi tion rapidly built up 15 20 mph winds direction contestants faces Everyone difficulty trying keep RCWorId After four days intense competition SpringfieldOhio Hanno Prettner em erged Aerobatic champion United States top ranking team Championships 44 Model Aviation flights out front judges stead right top Flight scores suffered severely few pilots could overcome handicap Notable ex ceptions Hanno Prettner Mark Radcliff outstanding flights such adverse conditions Wolfgang Matt 1975 world cham pion engine flameout midway through flight appeared would facing same difficult task Rhett Miller get flyoffs also make subsequent flight count As turned out severe crosswind actually helped Matt Miller because virtually other competitor lowest flight score during 1st round ended up throwing score away However no knew things would turn out way pressure really Matt Miller well remaining flights end 1st round top 6 fliers Prettner Austria75 10 2 Radcliff US7035 3 Neckar Ger many6970 4 Yoshioka Japan6855 5 Brown US6655 6 Bertolani Italy6580 2nd Round Sat July 2 2nd day competition clear skies light moderate quartering crosswinds contestants found much liking Fri Scores soared relative previous day Unfortunately also several instances severe interfer ence 27145 MHz some glitch- Unusual several respects Spitfire entered Tore Paulsen Norway sand-and es 72 MHz frequencies privi- spinach camouflaged scale-type model tail-dragger flown during competition As leged watch gorgeous flight Ivan another picture shows detail engine equipped intake muffler October 1977 45 Like contestants judges worlds best came various countries photo taken during actual flight holding aloft individual point cards Olympic-style scoring naturally quite popular watching competitors spectators Second-place winner Dave Brown wife Sally happily pose trusty red-and-white Phoenix 7 During 1 0-man fly-off crowd maintained silenceuntil flight com plete just sounds engine flier calling maneuvers Kristensen left spectators cheer ing applauding maneuver score 8195 highest competition until point Rhett Miller Wolfgang Matt both 7700 flight scores began move up stand ings top six after 2nd round 1 Prettner Austrial5580 2 Kristensen Canada14560 3 Brown US14535 4 Radcliff US14350 5 Neck ar Germany14160 6 Naruke Japan 14140 3rd Round Sun July 3 3rd day competition blessed clear skies light vari able winds winds light contestants taking off landing both directions International rules allow competitor take off land direction choice direction perform 1st airborne maneuver figure M So uncommon see competitor take off right left start figure M left right cer tainly kept judges toes light winds resulted generally higher scores competitors Hanno Prettner Dave Brown both 8 200 scores lead way Matt Miller continued bear up under pressure advanced 12th 31st place respectively Rhett would have much higher initial score 860 compared Matts 4570 held him back top 6 after 3rd round 1 46 Model Aviation United States team solidly consistent placing three members fly-offs L R Dick Penrod team manager Dave Brown Rhett Miller Mark Radcliff same team represented USA 1975 WC Don Lowe team manager year Under sunny skies Springrield waiting contestants models pits spectators occasional beach umbrella pleased eye color rainbow another part field some 24 national flags raised short impressive ceremony Checking controls photo Tetsugi Okumura Japan flying ship cheek cowls front end rather like Form 1 Prettner Austria23825 2 Brown US22755 3 Kristensen Canada 22555 4 Radcliff US 21905 5 Naruke Japan2 1740 6 Neckar Ger many2 1440 After formal flying over party fliers supporters officials main tent area Irish team broke out quarts Irish whiskey served Irish coffee comers Several American sponsors chipped buy beer soft drinks Several pleasant hours spent talking new friends over world 4th Round Mon July4 long day Since final round flying 2 rounds flyoffs awards ceremonies completed day flying started 730 am usual 1 hr lunch break canceled day much like Sat No will argue Hano Prettner worlds best An electrical engineer Austria flying famous Curare Distinctive severely anhedralled horizontal tail October 1977 47 Close-up nose ot [ore Paulsens Spitfire shows unique carburetor muffler Ron states worked very well Pipe underneath Things got hectic Englands Martin Mcintosh time discover aileron servo operated retracts vice versa misadventure would upset anybodys cool Large circus tent provided adequate cover plenty space work ing models wind storm blew everything down night before round Desperate effort during night got things order Italian models known beautiful color scheme finishes Benito Bertolani no 25 team mate wait fly 48 Model Aviation Waiting start Canadas Ivan Kristensen took fourth place Spectators applauded cheered gorgeous round two flight light moderate quartering cross wind sky partly cloudy enough small clouds provide nice background judging maneuvers Fliers responded good conditions generally higher flight scores Hanno Prettner startled everyone 8705 K&B showed prototype new 50 Static tests claim 16000 rpm wide-blade Zinger 11/7 prop engine develops 3 hp Flight-line taxi shortened 1000-foot trip main tent area couple stepsAustralias Brian Green about board WORLD CHAMPIONSHIPS IN ORDER OF FINISH TyisF I1 NateHOostownPsss OosaaptsonAlesesEtCosseosionSagesPsasapCeebMsstf IeProsasilseRssraatsRadroMod BoatBass Corn -II HannoKlogentunsElectrIcalfIberglassWebraPips/Coat Roll001 Mrs WebraownfiberglassSlmpropeleo PreasnerAosrrra8EngIneerCorarnfooerSpeedPerryOyrarrrlopipe1 iTSKGHIMK SSM Specanoallyes DoseCorcinnatChref EngineerfiberglassE 0I Ran-UpGold-I nOhroBWonro ErIgIflos Pfroans 7fosterOSBOPSIfParryPerrypIpeit /-7bangWord FoparnIInoallno WolfgangPurstonrornBans OfficofiberglassWebraWens Ibournbrepropeeo MontLlecfrtOnsterrr13ManagerAtlasfoaarSpoednoWolurapipe11 -7%RIGSSM Conrest I noall yes II loonGoelpfr Get.PorrIbItfiberglassWabra- WelnraMDRoarPro LonnOn KrlssensoeCansda11BuilderI SaturnboarSpeednoWebranruffler11-7AIrCoarp 7IIIroallyes *I- FI ROarTallabassaeStuannibalsaWebratWeoroWebraZingerSourfrKrafrI singleelco MillerFlorida8Ijlone UCompensatorfooteSpeednoDynantlopIpe11-7RC- SlgoaruneStIOkas MarkNearaportFord PantsIIlbonglassROSSI Ran-UpSooronieo RadoliffOfrroBManager Ptroenro 7foannRoss PerryPerryprpn11-75 RIG-go rid EoperrtrIos i no4allInol TsogotakaKOofrrRobIng Srrop J Hatrerl -j YoshokaJapan17ProprietorUrsa MalorYS6OSRYbnerMK1019 Tetso1lKyoto1 baresFF reoffler j GroupI Pcgnnj p EngIneerPatrca P GS6OPSROSmuffler 1 115-85MSODDlarnond OkonroroJapon104 Glob1CPurabaSaro iHatter phiba 1Futaba None YS6OSRMIni Von7- T Narokaj Japan.nsriernrareofflerMSMSContest GueterRinrelnEl Hoppe F R Goronany 21 j EngIneerSpeedWebrappeIrornannadeKORProfessnonalI -BennyTldabolnr4bolraCV1 WeonaWebroMIOVO ZlngerGold-1srar SwedenBiMeynanIcCanonejJI Kellgnen dDyneerinpIpe11-7neng KP-7ZII Monron I I [ Groupeer Robbe Greaan- p Grunalg Harold NocoanH Germany 16 MaCItOGSMaaFSRPennypIpe11-BdonnarVanloprop r--f ~aefikonSupanrlgneI ownTop Flee Graaan- Pro Lor GozenSannarSwltomnland ToolnraoeScorpIon II G6OBH ABCownpipe11-7%dannerComperlrlonII IInn7 DIeterI onsOnockWebne Webra Benno-ISmnproy PrIm-Aosrnle6 PnllOsOptrOn Cunane edWobraI pipe els idnl IContest Spec n1r-ni2 p BeolnoLooca- OPSGPSBnrtn- - p Bertoloel Irary9RalesaynranKosesO 3OPS p Spipe11-7%001JSlnrProPII GunrerF EoenrolEleotrical-WebraMIni voopGFKGold-Moropropi-I Mettertrausen erorarry 12Tennolnlan Sultan VSpendWnbnamuffler11-7bergProfasolonal t17-r1 Webre1 YanissafrimEleMinI VOo RobonRote HardekerEngland 16 En15mneper1 SpeedHPirioffler 11-BArrSkylooder WarrenGaxorlIe Get.I HPRote HIterrOnoCanada20Managerbatorn [ HPHP muffler11-7AirSnaG 1H RaqgenoPonrara- enligre ISuperSuper-Pibra PS PasaaoollerItaly1SAuto Dealer MarIaJ OBOSH ABC Itigretlgre 11-lid MBAkiline EarnSloten -PsycCOlOgIst-I rtigneownTop Pbs Gieaen-Pro Line t 2 jCounselorj Scorpron IIJ GBOBH ABC -ownpIpe 11-7% dannerCompetitIonII made impossible anyone catch acteristically low flight 7195 just him flyoffs Wolfgang Matt made flyoffs second highest score World Chain- After 4th round flyoff qualifiers pionships 8510 wrap up place 1 Prettner Austria25020 2 flyofis Rhett Miller put unchar- Brown US24090 3 Matt Liechten October1977 49 Partially collapsed nose gear caused fibreglass prop scuff runway Frances Pierre three top R/C Aerobatics fliers 1977 world L R Wolfgang Matt Dave Brown Blanquart managed take off anyway Hanno Prettneralso top three 75 different order placement Matt fly entire pattern overcomes bad flight resulting plug failure subsequent flights good Lost own thoughts Rhett Miller right Dick Penrod left mechanic Ron Chidgey wait Rhetts moment fly Rheft ex perienced equipment mishap first flight like Man under awesome pressure making good followed stein24065 4 Kristensen Canada 23830 5 RadcliffUS22970 6 Mil ler US22955 final team placings see Competi tion News complete results World Championships computed adding scores best 3 flights team member Several teams 2 members some 1 final top 3 team placings 1 US 70015 2 Japan67545 3 Germany 64130 Flyoff flyoff held front 10 judges flight circle front CD tent scores 10 judges added 50 Model Aviation Australian wheat farmer Tom Prosser shacked entire flight line booming voice Liechtenstein team always arrived night line witn teody oear mascot rreparing nis called out maneuvers blonde well-known Atlas flight Wolfgang Matt placed third world champ 1975 cockpit eye-catching hair-do Pondering problem David Hardaker Eng land facing camera right team mate Terry Cooper Whatever Dave managed 17th flight Mexicos Luis Casten ada would like have over engine flam ed out tried emergency landing spectacular result best 2 flyoff flights add ed qualifying flight scores Con sequently flyofi flight really worth 2 flights since qualifying scores based scores 5 judges basis competitors ap parently solid positions Prettner Kristensen Prettner led Brown Matt close 1000 points Kristensen ahead Radcliff Miller around 900 points Prior starting flyoff flights requested audience cheer applaud flier until flight com plete huge audience complied request manner wit nessed believed absolute silence spectators eerie sound engine flier calling maneuvers Fliers drew lots flying sequence round flyoff Surprisingly order flight changed very little 1 round next wind began pick up flyoff approached moderately strong directly crosswind time flyoff started Fliers put flights consistent average 3 qualifying flights no barnburners competitor have apparent difficulty Ivan Kris tensen experienced engine trouble 2nd flightit sounded like engine went lean Ivan forced land pre mid-wing aircraft flown Bengt Lundstrom Sweden deep fuselage extending along its length employed flaps October1977 51 Oblivious camera Mark Radcliff right carries animated conversation Bill Ney can read owninto Too bad cant show other photos AWHOLE NEW What does Radio Control Pattern World Championships have average RC sport flier casual contest flier Plenty proving ground advanced equipment being developed debugged de manding fliers world Perfection acceptable standard business fact what wins sells manufacturers doing utmost satisfy fliers turn gives excellent input what works stays working under battle conditions Note said stays working Hav ing set scene will give observations some technical ad vancements both World Championships Masters Tournament Engines tuned pipe has come age tremendous power increase avail able power increase has brought about lots new problems engines just arent staying together Crankshafts breaking Rods wearing out Bearings dont hold up rings crack problems being solved am sure manufacturers will have corrections made before ship ments made large quantities engines now production prototypes tuned pipe has made airplanes ugly ducklings will drive air craft design new directions Steve Helms design called Bootlegger using prototype OPS rear-exhaust ABC front carb pipe through canopy cleans up design makes very neat set-up feel engine near future will rear-exhaust rear-intake ABC engine new sliding-bar linear carburetor will run little no nitro 5% max rear intake will allow stronger crankshaft fuel tank thinner lower make clearance rear-mounted pipe Mixture control will must unless pump used pipe tuning present critical pipe must set engine rpm involves prop design size prop er rpm max power seems 14500 rpm range stay pipe given day prop must varied give tuned rpm Also glow-plug life has substantially reduced plugs can let down wrong time Wolfgang Matt blew plug Rolling-8 first flight put back wall unfailing performance rest meet flying excellent true best way win start top first flight stay maturely avoid damage engine Hanno Prettner last man fly 1977 World Championships final individual placings see Com petition News complete results 10th R/C Aerobatics World Champion ships 1 Hanno Prettner Austria 41395 2 Dave Brown US40255 3 Wolfgang Matt Liechtenstein40 195 4 Ivan Kristensen Canada3899O 5 Rhett Miller US38735 6 Mark Radcliff US38485 awards ceremonies held front pipes abounding manner installa tion prime topic conversation chris tian Bossard Frence hid completely lovely model foreground Only smell round hole marked its exit top fuselage 52 Model Aviation Radios Radios have reached new level performance Signature Custom beautiful Phoenix 6 Iver Husem Nor way very effective flaps/spoilers Canadas Ivan Kristensen suitcase held transmittersas did others BALLGAME Expert type radio now offered result years demand exact longer life system curse servo pot wear seems licked Pot life maybe 10 flights now 200 claim over 1000 no longer need three sets servos set airplane waiting go set being fixed technology has incorporated sporttype radios can thank fliers important advancement Dual-rate control throws aileron elevator seems standard practice some using dual rate rudder critical turn Figure M crosswind Prettner using eight channels rudder elevator ailerons engine mixture control spoilers coupled decoupled flaps Transmitter design has pretty much settled down open precision stick high quality pots ad justable rates throws Temperature voltage drift nil technology has used sport-type radiQs Again can thank compe tition fliers demanding advancement manufacturers respon ding Aircraft Design Design changes top competition come slowly surely Its little little Construction design changed lighter airframe seven eight channels tuned pipes etc FAt maximum weight restric tion rule has become real problem some competitors found ships over-weight What take out Plastic covering will used save weight general less everything will put hope does result structural failures dont need failures poten tial liabilities think coupled flaps elevators will increase espec ially rules begin add square- triangle-type looping maneuvers Pipes mufflers will designed basic airframe Condusion cant help wonder type competition headed re quires more work amount flying done very tough league break also expensive will need best engines radios designs fuel etc course practicelots almost seems major rule change might order will put less demand resources special equipment simple design flexibility originality maneuvers wonder what slow-rpm high-torque 90 120 engine 800-900 sq wing fixed-gear basic design looks like full-scale type stunt aircraft would Ed Keck CD tent midst hundreds happy competitors supporters sponsors officials spectators Suddenly over feeling air ended too soon because people milling about long after awards presented seemed unwill ing let go great aura associated World Championship job just begun Imagine trying report about events importance Team Finals World Cham pionships Dick McGraw took 1100 photographs captions prepared worthy publica tion contestant information sheets converted Team Finals/World Championship matrixes presented Special thanks due Sgt Bill Grigs Ft Walton Beach Police Dept spent hrs processing film 32 rolls Dick McGraw cover ing Team Finals himself World Championships competitors officials gracious ly put up questions picture taking lot work Id again tomorrow because part 1977 R/C Aerobatic World Championships October 1977 53 Europeans use transmitter trays just beginning accepted country 1973 world champion Tsugutaka Yoshioka always started engine airplane inverted just missed fly-offsplaced seventh Close-up Pressners Curare Prototype Springfield 77 shows its vertical whip antenna favored Europeans
Edition: Model Aviation - 1977/10
Page Numbers: 44, 45, 46, 47, 48, 49, 50, 51, 52, 53
THE 1977 individual R/C aerobatics world champion Hanno Prettner Aus tria US champion team among 61 fliers 24 teams respectively Six qualifiers survived four rounds competition met flyoffs determine individual placings Although informal test flying model processing entry FAT license registra tion scheduled during Wed June 29 1st formal procedures 1977 World Championships held Thurs June 30 Scheduled test flying con ducted accordance official schedule procedures would simu late actual competition 2 pm opening ceremony began com petition Team managers 24 countries raised respective flags short very impressive ceremony Official competition flying have started 830 am Fri July 1 just after dark fierce storm moved through Springfield area arrived contest site about 8 am greeted shambles main circus style tent supposed house competitors airplanes sorted equipment found tatters twisted wreck tables model boxes bottom Campers site AMA officials Civil Air Patrol work ers struggled late night pro tect competitors gear improvised coverings Consequently little damage models equipment large food tent also destroyed wind rain site such mess start competition delayed until 930 am took substantial effort bring off early midst chaos surprising able obtain erect substitute tents midafternoon tent area looked nothing ever happened sound planning management hard work contest manager John Spal ding contest director Tom Rankin really paid off As soon competition began contest organization functioned like tuned machine flight line arrangement quite different Team Finals 2 flight lines separated 2000 ft Bob Scott Charles Calvert line chief starter/timer team line Don Lindley Don Lowe holding respective jobs line 2 line 5 judges roll timer 5 flashers dicate judges scores spectators 1st Round Rhett Miller 1st competitor up line Midway through Double Tm melmann became obvious some ng wrong airplane re spring transmitter aileron gim hal broken leaving him no stick centering Rhett no alternative land airplane suffer 860 score flight Since scores best 3 4 flights used deter team championship com petitors go 2 rounds flyoffs Rhett difficult task facing him Only top 10% 6 fliers would make flyoffs relatively light crosswind breeze present start competi tion rapidly built up 15 20 mph winds direction contestants faces Everyone difficulty trying keep RCWorId After four days intense competition SpringfieldOhio Hanno Prettner em erged Aerobatic champion United States top ranking team Championships 44 Model Aviation flights out front judges stead right top Flight scores suffered severely few pilots could overcome handicap Notable ex ceptions Hanno Prettner Mark Radcliff outstanding flights such adverse conditions Wolfgang Matt 1975 world cham pion engine flameout midway through flight appeared would facing same difficult task Rhett Miller get flyoffs also make subsequent flight count As turned out severe crosswind actually helped Matt Miller because virtually other competitor lowest flight score during 1st round ended up throwing score away However no knew things would turn out way pressure really Matt Miller well remaining flights end 1st round top 6 fliers Prettner Austria75 10 2 Radcliff US7035 3 Neckar Ger many6970 4 Yoshioka Japan6855 5 Brown US6655 6 Bertolani Italy6580 2nd Round Sat July 2 2nd day competition clear skies light moderate quartering crosswinds contestants found much liking Fri Scores soared relative previous day Unfortunately also several instances severe interfer ence 27145 MHz some glitch- Unusual several respects Spitfire entered Tore Paulsen Norway sand-and es 72 MHz frequencies privi- spinach camouflaged scale-type model tail-dragger flown during competition As leged watch gorgeous flight Ivan another picture shows detail engine equipped intake muffler October 1977 45 Like contestants judges worlds best came various countries photo taken during actual flight holding aloft individual point cards Olympic-style scoring naturally quite popular watching competitors spectators Second-place winner Dave Brown wife Sally happily pose trusty red-and-white Phoenix 7 During 1 0-man fly-off crowd maintained silenceuntil flight com plete just sounds engine flier calling maneuvers Kristensen left spectators cheer ing applauding maneuver score 8195 highest competition until point Rhett Miller Wolfgang Matt both 7700 flight scores began move up stand ings top six after 2nd round 1 Prettner Austrial5580 2 Kristensen Canada14560 3 Brown US14535 4 Radcliff US14350 5 Neck ar Germany14160 6 Naruke Japan 14140 3rd Round Sun July 3 3rd day competition blessed clear skies light vari able winds winds light contestants taking off landing both directions International rules allow competitor take off land direction choice direction perform 1st airborne maneuver figure M So uncommon see competitor take off right left start figure M left right cer tainly kept judges toes light winds resulted generally higher scores competitors Hanno Prettner Dave Brown both 8 200 scores lead way Matt Miller continued bear up under pressure advanced 12th 31st place respectively Rhett would have much higher initial score 860 compared Matts 4570 held him back top 6 after 3rd round 1 46 Model Aviation United States team solidly consistent placing three members fly-offs L R Dick Penrod team manager Dave Brown Rhett Miller Mark Radcliff same team represented USA 1975 WC Don Lowe team manager year Under sunny skies Springrield waiting contestants models pits spectators occasional beach umbrella pleased eye color rainbow another part field some 24 national flags raised short impressive ceremony Checking controls photo Tetsugi Okumura Japan flying ship cheek cowls front end rather like Form 1 Prettner Austria23825 2 Brown US22755 3 Kristensen Canada 22555 4 Radcliff US 21905 5 Naruke Japan2 1740 6 Neckar Ger many2 1440 After formal flying over party fliers supporters officials main tent area Irish team broke out quarts Irish whiskey served Irish coffee comers Several American sponsors chipped buy beer soft drinks Several pleasant hours spent talking new friends over world 4th Round Mon July4 long day Since final round flying 2 rounds flyoffs awards ceremonies completed day flying started 730 am usual 1 hr lunch break canceled day much like Sat No will argue Hano Prettner worlds best An electrical engineer Austria flying famous Curare Distinctive severely anhedralled horizontal tail October 1977 47 Close-up nose ot [ore Paulsens Spitfire shows unique carburetor muffler Ron states worked very well Pipe underneath Things got hectic Englands Martin Mcintosh time discover aileron servo operated retracts vice versa misadventure would upset anybodys cool Large circus tent provided adequate cover plenty space work ing models wind storm blew everything down night before round Desperate effort during night got things order Italian models known beautiful color scheme finishes Benito Bertolani no 25 team mate wait fly 48 Model Aviation Waiting start Canadas Ivan Kristensen took fourth place Spectators applauded cheered gorgeous round two flight light moderate quartering cross wind sky partly cloudy enough small clouds provide nice background judging maneuvers Fliers responded good conditions generally higher flight scores Hanno Prettner startled everyone 8705 K&B showed prototype new 50 Static tests claim 16000 rpm wide-blade Zinger 11/7 prop engine develops 3 hp Flight-line taxi shortened 1000-foot trip main tent area couple stepsAustralias Brian Green about board WORLD CHAMPIONSHIPS IN ORDER OF FINISH TyisF I1 NateHOostownPsss OosaaptsonAlesesEtCosseosionSagesPsasapCeebMsstf IeProsasilseRssraatsRadroMod BoatBass Corn -II HannoKlogentunsElectrIcalfIberglassWebraPips/Coat Roll001 Mrs WebraownfiberglassSlmpropeleo PreasnerAosrrra8EngIneerCorarnfooerSpeedPerryOyrarrrlopipe1 iTSKGHIMK SSM Specanoallyes DoseCorcinnatChref EngineerfiberglassE 0I Ran-UpGold-I nOhroBWonro ErIgIflos Pfroans 7fosterOSBOPSIfParryPerrypIpeit /-7bangWord FoparnIInoallno WolfgangPurstonrornBans OfficofiberglassWebraWens Ibournbrepropeeo MontLlecfrtOnsterrr13ManagerAtlasfoaarSpoednoWolurapipe11 -7%RIGSSM Conrest I noall yes II loonGoelpfr Get.PorrIbItfiberglassWabra- WelnraMDRoarPro LonnOn KrlssensoeCansda11BuilderI SaturnboarSpeednoWebranruffler11-7AIrCoarp 7IIIroallyes *I- FI ROarTallabassaeStuannibalsaWebratWeoroWebraZingerSourfrKrafrI singleelco MillerFlorida8Ijlone UCompensatorfooteSpeednoDynantlopIpe11-7RC- SlgoaruneStIOkas MarkNearaportFord PantsIIlbonglassROSSI Ran-UpSooronieo RadoliffOfrroBManager Ptroenro 7foannRoss PerryPerryprpn11-75 RIG-go rid EoperrtrIos i no4allInol TsogotakaKOofrrRobIng Srrop J Hatrerl -j YoshokaJapan17ProprietorUrsa MalorYS6OSRYbnerMK1019 Tetso1lKyoto1 baresFF reoffler j GroupI Pcgnnj p EngIneerPatrca P GS6OPSROSmuffler 1 115-85MSODDlarnond OkonroroJapon104 Glob1CPurabaSaro iHatter phiba 1Futaba None YS6OSRMIni Von7- T Narokaj Japan.nsriernrareofflerMSMSContest GueterRinrelnEl Hoppe F R Goronany 21 j EngIneerSpeedWebrappeIrornannadeKORProfessnonalI -BennyTldabolnr4bolraCV1 WeonaWebroMIOVO ZlngerGold-1srar SwedenBiMeynanIcCanonejJI Kellgnen dDyneerinpIpe11-7neng KP-7ZII Monron I I [ Groupeer Robbe Greaan- p Grunalg Harold NocoanH Germany 16 MaCItOGSMaaFSRPennypIpe11-BdonnarVanloprop r--f ~aefikonSupanrlgneI ownTop Flee Graaan- Pro Lor GozenSannarSwltomnland ToolnraoeScorpIon II G6OBH ABCownpipe11-7%dannerComperlrlonII IInn7 DIeterI onsOnockWebne Webra Benno-ISmnproy PrIm-Aosrnle6 PnllOsOptrOn Cunane edWobraI pipe els idnl IContest Spec n1r-ni2 p BeolnoLooca- OPSGPSBnrtn- - p Bertoloel Irary9RalesaynranKosesO 3OPS p Spipe11-7%001JSlnrProPII GunrerF EoenrolEleotrical-WebraMIni voopGFKGold-Moropropi-I Mettertrausen erorarry 12Tennolnlan Sultan VSpendWnbnamuffler11-7bergProfasolonal t17-r1 Webre1 YanissafrimEleMinI VOo RobonRote HardekerEngland 16 En15mneper1 SpeedHPirioffler 11-BArrSkylooder WarrenGaxorlIe Get.I HPRote HIterrOnoCanada20Managerbatorn [ HPHP muffler11-7AirSnaG 1H RaqgenoPonrara- enligre ISuperSuper-Pibra PS PasaaoollerItaly1SAuto Dealer MarIaJ OBOSH ABC Itigretlgre 11-lid MBAkiline EarnSloten -PsycCOlOgIst-I rtigneownTop Pbs Gieaen-Pro Line t 2 jCounselorj Scorpron IIJ GBOBH ABC -ownpIpe 11-7% dannerCompetitIonII made impossible anyone catch acteristically low flight 7195 just him flyoffs Wolfgang Matt made flyoffs second highest score World Chain- After 4th round flyoff qualifiers pionships 8510 wrap up place 1 Prettner Austria25020 2 flyofis Rhett Miller put unchar- Brown US24090 3 Matt Liechten October1977 49 Partially collapsed nose gear caused fibreglass prop scuff runway Frances Pierre three top R/C Aerobatics fliers 1977 world L R Wolfgang Matt Dave Brown Blanquart managed take off anyway Hanno Prettneralso top three 75 different order placement Matt fly entire pattern overcomes bad flight resulting plug failure subsequent flights good Lost own thoughts Rhett Miller right Dick Penrod left mechanic Ron Chidgey wait Rhetts moment fly Rheft ex perienced equipment mishap first flight like Man under awesome pressure making good followed stein24065 4 Kristensen Canada 23830 5 RadcliffUS22970 6 Mil ler US22955 final team placings see Competi tion News complete results World Championships computed adding scores best 3 flights team member Several teams 2 members some 1 final top 3 team placings 1 US 70015 2 Japan67545 3 Germany 64130 Flyoff flyoff held front 10 judges flight circle front CD tent scores 10 judges added 50 Model Aviation Australian wheat farmer Tom Prosser shacked entire flight line booming voice Liechtenstein team always arrived night line witn teody oear mascot rreparing nis called out maneuvers blonde well-known Atlas flight Wolfgang Matt placed third world champ 1975 cockpit eye-catching hair-do Pondering problem David Hardaker Eng land facing camera right team mate Terry Cooper Whatever Dave managed 17th flight Mexicos Luis Casten ada would like have over engine flam ed out tried emergency landing spectacular result best 2 flyoff flights add ed qualifying flight scores Con sequently flyofi flight really worth 2 flights since qualifying scores based scores 5 judges basis competitors ap parently solid positions Prettner Kristensen Prettner led Brown Matt close 1000 points Kristensen ahead Radcliff Miller around 900 points Prior starting flyoff flights requested audience cheer applaud flier until flight com plete huge audience complied request manner wit nessed believed absolute silence spectators eerie sound engine flier calling maneuvers Fliers drew lots flying sequence round flyoff Surprisingly order flight changed very little 1 round next wind began pick up flyoff approached moderately strong directly crosswind time flyoff started Fliers put flights consistent average 3 qualifying flights no barnburners competitor have apparent difficulty Ivan Kris tensen experienced engine trouble 2nd flightit sounded like engine went lean Ivan forced land pre mid-wing aircraft flown Bengt Lundstrom Sweden deep fuselage extending along its length employed flaps October1977 51 Oblivious camera Mark Radcliff right carries animated conversation Bill Ney can read owninto Too bad cant show other photos AWHOLE NEW What does Radio Control Pattern World Championships have average RC sport flier casual contest flier Plenty proving ground advanced equipment being developed debugged de manding fliers world Perfection acceptable standard business fact what wins sells manufacturers doing utmost satisfy fliers turn gives excellent input what works stays working under battle conditions Note said stays working Hav ing set scene will give observations some technical ad vancements both World Championships Masters Tournament Engines tuned pipe has come age tremendous power increase avail able power increase has brought about lots new problems engines just arent staying together Crankshafts breaking Rods wearing out Bearings dont hold up rings crack problems being solved am sure manufacturers will have corrections made before ship ments made large quantities engines now production prototypes tuned pipe has made airplanes ugly ducklings will drive air craft design new directions Steve Helms design called Bootlegger using prototype OPS rear-exhaust ABC front carb pipe through canopy cleans up design makes very neat set-up feel engine near future will rear-exhaust rear-intake ABC engine new sliding-bar linear carburetor will run little no nitro 5% max rear intake will allow stronger crankshaft fuel tank thinner lower make clearance rear-mounted pipe Mixture control will must unless pump used pipe tuning present critical pipe must set engine rpm involves prop design size prop er rpm max power seems 14500 rpm range stay pipe given day prop must varied give tuned rpm Also glow-plug life has substantially reduced plugs can let down wrong time Wolfgang Matt blew plug Rolling-8 first flight put back wall unfailing performance rest meet flying excellent true best way win start top first flight stay maturely avoid damage engine Hanno Prettner last man fly 1977 World Championships final individual placings see Com petition News complete results 10th R/C Aerobatics World Champion ships 1 Hanno Prettner Austria 41395 2 Dave Brown US40255 3 Wolfgang Matt Liechtenstein40 195 4 Ivan Kristensen Canada3899O 5 Rhett Miller US38735 6 Mark Radcliff US38485 awards ceremonies held front pipes abounding manner installa tion prime topic conversation chris tian Bossard Frence hid completely lovely model foreground Only smell round hole marked its exit top fuselage 52 Model Aviation Radios Radios have reached new level performance Signature Custom beautiful Phoenix 6 Iver Husem Nor way very effective flaps/spoilers Canadas Ivan Kristensen suitcase held transmittersas did others BALLGAME Expert type radio now offered result years demand exact longer life system curse servo pot wear seems licked Pot life maybe 10 flights now 200 claim over 1000 no longer need three sets servos set airplane waiting go set being fixed technology has incorporated sporttype radios can thank fliers important advancement Dual-rate control throws aileron elevator seems standard practice some using dual rate rudder critical turn Figure M crosswind Prettner using eight channels rudder elevator ailerons engine mixture control spoilers coupled decoupled flaps Transmitter design has pretty much settled down open precision stick high quality pots ad justable rates throws Temperature voltage drift nil technology has used sport-type radiQs Again can thank compe tition fliers demanding advancement manufacturers respon ding Aircraft Design Design changes top competition come slowly surely Its little little Construction design changed lighter airframe seven eight channels tuned pipes etc FAt maximum weight restric tion rule has become real problem some competitors found ships over-weight What take out Plastic covering will used save weight general less everything will put hope does result structural failures dont need failures poten tial liabilities think coupled flaps elevators will increase espec ially rules begin add square- triangle-type looping maneuvers Pipes mufflers will designed basic airframe Condusion cant help wonder type competition headed re quires more work amount flying done very tough league break also expensive will need best engines radios designs fuel etc course practicelots almost seems major rule change might order will put less demand resources special equipment simple design flexibility originality maneuvers wonder what slow-rpm high-torque 90 120 engine 800-900 sq wing fixed-gear basic design looks like full-scale type stunt aircraft would Ed Keck CD tent midst hundreds happy competitors supporters sponsors officials spectators Suddenly over feeling air ended too soon because people milling about long after awards presented seemed unwill ing let go great aura associated World Championship job just begun Imagine trying report about events importance Team Finals World Cham pionships Dick McGraw took 1100 photographs captions prepared worthy publica tion contestant information sheets converted Team Finals/World Championship matrixes presented Special thanks due Sgt Bill Grigs Ft Walton Beach Police Dept spent hrs processing film 32 rolls Dick McGraw cover ing Team Finals himself World Championships competitors officials gracious ly put up questions picture taking lot work Id again tomorrow because part 1977 R/C Aerobatic World Championships October 1977 53 Europeans use transmitter trays just beginning accepted country 1973 world champion Tsugutaka Yoshioka always started engine airplane inverted just missed fly-offsplaced seventh Close-up Pressners Curare Prototype Springfield 77 shows its vertical whip antenna favored Europeans
Edition: Model Aviation - 1977/10
Page Numbers: 44, 45, 46, 47, 48, 49, 50, 51, 52, 53
THE 1977 individual R/C aerobatics world champion Hanno Prettner Aus tria US champion team among 61 fliers 24 teams respectively Six qualifiers survived four rounds competition met flyoffs determine individual placings Although informal test flying model processing entry FAT license registra tion scheduled during Wed June 29 1st formal procedures 1977 World Championships held Thurs June 30 Scheduled test flying con ducted accordance official schedule procedures would simu late actual competition 2 pm opening ceremony began com petition Team managers 24 countries raised respective flags short very impressive ceremony Official competition flying have started 830 am Fri July 1 just after dark fierce storm moved through Springfield area arrived contest site about 8 am greeted shambles main circus style tent supposed house competitors airplanes sorted equipment found tatters twisted wreck tables model boxes bottom Campers site AMA officials Civil Air Patrol work ers struggled late night pro tect competitors gear improvised coverings Consequently little damage models equipment large food tent also destroyed wind rain site such mess start competition delayed until 930 am took substantial effort bring off early midst chaos surprising able obtain erect substitute tents midafternoon tent area looked nothing ever happened sound planning management hard work contest manager John Spal ding contest director Tom Rankin really paid off As soon competition began contest organization functioned like tuned machine flight line arrangement quite different Team Finals 2 flight lines separated 2000 ft Bob Scott Charles Calvert line chief starter/timer team line Don Lindley Don Lowe holding respective jobs line 2 line 5 judges roll timer 5 flashers dicate judges scores spectators 1st Round Rhett Miller 1st competitor up line Midway through Double Tm melmann became obvious some ng wrong airplane re spring transmitter aileron gim hal broken leaving him no stick centering Rhett no alternative land airplane suffer 860 score flight Since scores best 3 4 flights used deter team championship com petitors go 2 rounds flyoffs Rhett difficult task facing him Only top 10% 6 fliers would make flyoffs relatively light crosswind breeze present start competi tion rapidly built up 15 20 mph winds direction contestants faces Everyone difficulty trying keep RCWorId After four days intense competition SpringfieldOhio Hanno Prettner em erged Aerobatic champion United States top ranking team Championships 44 Model Aviation flights out front judges stead right top Flight scores suffered severely few pilots could overcome handicap Notable ex ceptions Hanno Prettner Mark Radcliff outstanding flights such adverse conditions Wolfgang Matt 1975 world cham pion engine flameout midway through flight appeared would facing same difficult task Rhett Miller get flyoffs also make subsequent flight count As turned out severe crosswind actually helped Matt Miller because virtually other competitor lowest flight score during 1st round ended up throwing score away However no knew things would turn out way pressure really Matt Miller well remaining flights end 1st round top 6 fliers Prettner Austria75 10 2 Radcliff US7035 3 Neckar Ger many6970 4 Yoshioka Japan6855 5 Brown US6655 6 Bertolani Italy6580 2nd Round Sat July 2 2nd day competition clear skies light moderate quartering crosswinds contestants found much liking Fri Scores soared relative previous day Unfortunately also several instances severe interfer ence 27145 MHz some glitch- Unusual several respects Spitfire entered Tore Paulsen Norway sand-and es 72 MHz frequencies privi- spinach camouflaged scale-type model tail-dragger flown during competition As leged watch gorgeous flight Ivan another picture shows detail engine equipped intake muffler October 1977 45 Like contestants judges worlds best came various countries photo taken during actual flight holding aloft individual point cards Olympic-style scoring naturally quite popular watching competitors spectators Second-place winner Dave Brown wife Sally happily pose trusty red-and-white Phoenix 7 During 1 0-man fly-off crowd maintained silenceuntil flight com plete just sounds engine flier calling maneuvers Kristensen left spectators cheer ing applauding maneuver score 8195 highest competition until point Rhett Miller Wolfgang Matt both 7700 flight scores began move up stand ings top six after 2nd round 1 Prettner Austrial5580 2 Kristensen Canada14560 3 Brown US14535 4 Radcliff US14350 5 Neck ar Germany14160 6 Naruke Japan 14140 3rd Round Sun July 3 3rd day competition blessed clear skies light vari able winds winds light contestants taking off landing both directions International rules allow competitor take off land direction choice direction perform 1st airborne maneuver figure M So uncommon see competitor take off right left start figure M left right cer tainly kept judges toes light winds resulted generally higher scores competitors Hanno Prettner Dave Brown both 8 200 scores lead way Matt Miller continued bear up under pressure advanced 12th 31st place respectively Rhett would have much higher initial score 860 compared Matts 4570 held him back top 6 after 3rd round 1 46 Model Aviation United States team solidly consistent placing three members fly-offs L R Dick Penrod team manager Dave Brown Rhett Miller Mark Radcliff same team represented USA 1975 WC Don Lowe team manager year Under sunny skies Springrield waiting contestants models pits spectators occasional beach umbrella pleased eye color rainbow another part field some 24 national flags raised short impressive ceremony Checking controls photo Tetsugi Okumura Japan flying ship cheek cowls front end rather like Form 1 Prettner Austria23825 2 Brown US22755 3 Kristensen Canada 22555 4 Radcliff US 21905 5 Naruke Japan2 1740 6 Neckar Ger many2 1440 After formal flying over party fliers supporters officials main tent area Irish team broke out quarts Irish whiskey served Irish coffee comers Several American sponsors chipped buy beer soft drinks Several pleasant hours spent talking new friends over world 4th Round Mon July4 long day Since final round flying 2 rounds flyoffs awards ceremonies completed day flying started 730 am usual 1 hr lunch break canceled day much like Sat No will argue Hano Prettner worlds best An electrical engineer Austria flying famous Curare Distinctive severely anhedralled horizontal tail October 1977 47 Close-up nose ot [ore Paulsens Spitfire shows unique carburetor muffler Ron states worked very well Pipe underneath Things got hectic Englands Martin Mcintosh time discover aileron servo operated retracts vice versa misadventure would upset anybodys cool Large circus tent provided adequate cover plenty space work ing models wind storm blew everything down night before round Desperate effort during night got things order Italian models known beautiful color scheme finishes Benito Bertolani no 25 team mate wait fly 48 Model Aviation Waiting start Canadas Ivan Kristensen took fourth place Spectators applauded cheered gorgeous round two flight light moderate quartering cross wind sky partly cloudy enough small clouds provide nice background judging maneuvers Fliers responded good conditions generally higher flight scores Hanno Prettner startled everyone 8705 K&B showed prototype new 50 Static tests claim 16000 rpm wide-blade Zinger 11/7 prop engine develops 3 hp Flight-line taxi shortened 1000-foot trip main tent area couple stepsAustralias Brian Green about board WORLD CHAMPIONSHIPS IN ORDER OF FINISH TyisF I1 NateHOostownPsss OosaaptsonAlesesEtCosseosionSagesPsasapCeebMsstf IeProsasilseRssraatsRadroMod BoatBass Corn -II HannoKlogentunsElectrIcalfIberglassWebraPips/Coat Roll001 Mrs WebraownfiberglassSlmpropeleo PreasnerAosrrra8EngIneerCorarnfooerSpeedPerryOyrarrrlopipe1 iTSKGHIMK SSM Specanoallyes DoseCorcinnatChref EngineerfiberglassE 0I Ran-UpGold-I nOhroBWonro ErIgIflos Pfroans 7fosterOSBOPSIfParryPerrypIpeit /-7bangWord FoparnIInoallno WolfgangPurstonrornBans OfficofiberglassWebraWens Ibournbrepropeeo MontLlecfrtOnsterrr13ManagerAtlasfoaarSpoednoWolurapipe11 -7%RIGSSM Conrest I noall yes II loonGoelpfr Get.PorrIbItfiberglassWabra- WelnraMDRoarPro LonnOn KrlssensoeCansda11BuilderI SaturnboarSpeednoWebranruffler11-7AIrCoarp 7IIIroallyes *I- FI ROarTallabassaeStuannibalsaWebratWeoroWebraZingerSourfrKrafrI singleelco MillerFlorida8Ijlone UCompensatorfooteSpeednoDynantlopIpe11-7RC- SlgoaruneStIOkas MarkNearaportFord PantsIIlbonglassROSSI Ran-UpSooronieo RadoliffOfrroBManager Ptroenro 7foannRoss PerryPerryprpn11-75 RIG-go rid EoperrtrIos i no4allInol TsogotakaKOofrrRobIng Srrop J Hatrerl -j YoshokaJapan17ProprietorUrsa MalorYS6OSRYbnerMK1019 Tetso1lKyoto1 baresFF reoffler j GroupI Pcgnnj p EngIneerPatrca P GS6OPSROSmuffler 1 115-85MSODDlarnond OkonroroJapon104 Glob1CPurabaSaro iHatter phiba 1Futaba None YS6OSRMIni Von7- T Narokaj Japan.nsriernrareofflerMSMSContest GueterRinrelnEl Hoppe F R Goronany 21 j EngIneerSpeedWebrappeIrornannadeKORProfessnonalI -BennyTldabolnr4bolraCV1 WeonaWebroMIOVO ZlngerGold-1srar SwedenBiMeynanIcCanonejJI Kellgnen dDyneerinpIpe11-7neng KP-7ZII Monron I I [ Groupeer Robbe Greaan- p Grunalg Harold NocoanH Germany 16 MaCItOGSMaaFSRPennypIpe11-BdonnarVanloprop r--f ~aefikonSupanrlgneI ownTop Flee Graaan- Pro Lor GozenSannarSwltomnland ToolnraoeScorpIon II G6OBH ABCownpipe11-7%dannerComperlrlonII IInn7 DIeterI onsOnockWebne Webra Benno-ISmnproy PrIm-Aosrnle6 PnllOsOptrOn Cunane edWobraI pipe els idnl IContest Spec n1r-ni2 p BeolnoLooca- OPSGPSBnrtn- - p Bertoloel Irary9RalesaynranKosesO 3OPS p Spipe11-7%001JSlnrProPII GunrerF EoenrolEleotrical-WebraMIni voopGFKGold-Moropropi-I Mettertrausen erorarry 12Tennolnlan Sultan VSpendWnbnamuffler11-7bergProfasolonal t17-r1 Webre1 YanissafrimEleMinI VOo RobonRote HardekerEngland 16 En15mneper1 SpeedHPirioffler 11-BArrSkylooder WarrenGaxorlIe Get.I HPRote HIterrOnoCanada20Managerbatorn [ HPHP muffler11-7AirSnaG 1H RaqgenoPonrara- enligre ISuperSuper-Pibra PS PasaaoollerItaly1SAuto Dealer MarIaJ OBOSH ABC Itigretlgre 11-lid MBAkiline EarnSloten -PsycCOlOgIst-I rtigneownTop Pbs Gieaen-Pro Line t 2 jCounselorj Scorpron IIJ GBOBH ABC -ownpIpe 11-7% dannerCompetitIonII made impossible anyone catch acteristically low flight 7195 just him flyoffs Wolfgang Matt made flyoffs second highest score World Chain- After 4th round flyoff qualifiers pionships 8510 wrap up place 1 Prettner Austria25020 2 flyofis Rhett Miller put unchar- Brown US24090 3 Matt Liechten October1977 49 Partially collapsed nose gear caused fibreglass prop scuff runway Frances Pierre three top R/C Aerobatics fliers 1977 world L R Wolfgang Matt Dave Brown Blanquart managed take off anyway Hanno Prettneralso top three 75 different order placement Matt fly entire pattern overcomes bad flight resulting plug failure subsequent flights good Lost own thoughts Rhett Miller right Dick Penrod left mechanic Ron Chidgey wait Rhetts moment fly Rheft ex perienced equipment mishap first flight like Man under awesome pressure making good followed stein24065 4 Kristensen Canada 23830 5 RadcliffUS22970 6 Mil ler US22955 final team placings see Competi tion News complete results World Championships computed adding scores best 3 flights team member Several teams 2 members some 1 final top 3 team placings 1 US 70015 2 Japan67545 3 Germany 64130 Flyoff flyoff held front 10 judges flight circle front CD tent scores 10 judges added 50 Model Aviation Australian wheat farmer Tom Prosser shacked entire flight line booming voice Liechtenstein team always arrived night line witn teody oear mascot rreparing nis called out maneuvers blonde well-known Atlas flight Wolfgang Matt placed third world champ 1975 cockpit eye-catching hair-do Pondering problem David Hardaker Eng land facing camera right team mate Terry Cooper Whatever Dave managed 17th flight Mexicos Luis Casten ada would like have over engine flam ed out tried emergency landing spectacular result best 2 flyoff flights add ed qualifying flight scores Con sequently flyofi flight really worth 2 flights since qualifying scores based scores 5 judges basis competitors ap parently solid positions Prettner Kristensen Prettner led Brown Matt close 1000 points Kristensen ahead Radcliff Miller around 900 points Prior starting flyoff flights requested audience cheer applaud flier until flight com plete huge audience complied request manner wit nessed believed absolute silence spectators eerie sound engine flier calling maneuvers Fliers drew lots flying sequence round flyoff Surprisingly order flight changed very little 1 round next wind began pick up flyoff approached moderately strong directly crosswind time flyoff started Fliers put flights consistent average 3 qualifying flights no barnburners competitor have apparent difficulty Ivan Kris tensen experienced engine trouble 2nd flightit sounded like engine went lean Ivan forced land pre mid-wing aircraft flown Bengt Lundstrom Sweden deep fuselage extending along its length employed flaps October1977 51 Oblivious camera Mark Radcliff right carries animated conversation Bill Ney can read owninto Too bad cant show other photos AWHOLE NEW What does Radio Control Pattern World Championships have average RC sport flier casual contest flier Plenty proving ground advanced equipment being developed debugged de manding fliers world Perfection acceptable standard business fact what wins sells manufacturers doing utmost satisfy fliers turn gives excellent input what works stays working under battle conditions Note said stays working Hav ing set scene will give observations some technical ad vancements both World Championships Masters Tournament Engines tuned pipe has come age tremendous power increase avail able power increase has brought about lots new problems engines just arent staying together Crankshafts breaking Rods wearing out Bearings dont hold up rings crack problems being solved am sure manufacturers will have corrections made before ship ments made large quantities engines now production prototypes tuned pipe has made airplanes ugly ducklings will drive air craft design new directions Steve Helms design called Bootlegger using prototype OPS rear-exhaust ABC front carb pipe through canopy cleans up design makes very neat set-up feel engine near future will rear-exhaust rear-intake ABC engine new sliding-bar linear carburetor will run little no nitro 5% max rear intake will allow stronger crankshaft fuel tank thinner lower make clearance rear-mounted pipe Mixture control will must unless pump used pipe tuning present critical pipe must set engine rpm involves prop design size prop er rpm max power seems 14500 rpm range stay pipe given day prop must varied give tuned rpm Also glow-plug life has substantially reduced plugs can let down wrong time Wolfgang Matt blew plug Rolling-8 first flight put back wall unfailing performance rest meet flying excellent true best way win start top first flight stay maturely avoid damage engine Hanno Prettner last man fly 1977 World Championships final individual placings see Com petition News complete results 10th R/C Aerobatics World Champion ships 1 Hanno Prettner Austria 41395 2 Dave Brown US40255 3 Wolfgang Matt Liechtenstein40 195 4 Ivan Kristensen Canada3899O 5 Rhett Miller US38735 6 Mark Radcliff US38485 awards ceremonies held front pipes abounding manner installa tion prime topic conversation chris tian Bossard Frence hid completely lovely model foreground Only smell round hole marked its exit top fuselage 52 Model Aviation Radios Radios have reached new level performance Signature Custom beautiful Phoenix 6 Iver Husem Nor way very effective flaps/spoilers Canadas Ivan Kristensen suitcase held transmittersas did others BALLGAME Expert type radio now offered result years demand exact longer life system curse servo pot wear seems licked Pot life maybe 10 flights now 200 claim over 1000 no longer need three sets servos set airplane waiting go set being fixed technology has incorporated sporttype radios can thank fliers important advancement Dual-rate control throws aileron elevator seems standard practice some using dual rate rudder critical turn Figure M crosswind Prettner using eight channels rudder elevator ailerons engine mixture control spoilers coupled decoupled flaps Transmitter design has pretty much settled down open precision stick high quality pots ad justable rates throws Temperature voltage drift nil technology has used sport-type radiQs Again can thank compe tition fliers demanding advancement manufacturers respon ding Aircraft Design Design changes top competition come slowly surely Its little little Construction design changed lighter airframe seven eight channels tuned pipes etc FAt maximum weight restric tion rule has become real problem some competitors found ships over-weight What take out Plastic covering will used save weight general less everything will put hope does result structural failures dont need failures poten tial liabilities think coupled flaps elevators will increase espec ially rules begin add square- triangle-type looping maneuvers Pipes mufflers will designed basic airframe Condusion cant help wonder type competition headed re quires more work amount flying done very tough league break also expensive will need best engines radios designs fuel etc course practicelots almost seems major rule change might order will put less demand resources special equipment simple design flexibility originality maneuvers wonder what slow-rpm high-torque 90 120 engine 800-900 sq wing fixed-gear basic design looks like full-scale type stunt aircraft would Ed Keck CD tent midst hundreds happy competitors supporters sponsors officials spectators Suddenly over feeling air ended too soon because people milling about long after awards presented seemed unwill ing let go great aura associated World Championship job just begun Imagine trying report about events importance Team Finals World Cham pionships Dick McGraw took 1100 photographs captions prepared worthy publica tion contestant information sheets converted Team Finals/World Championship matrixes presented Special thanks due Sgt Bill Grigs Ft Walton Beach Police Dept spent hrs processing film 32 rolls Dick McGraw cover ing Team Finals himself World Championships competitors officials gracious ly put up questions picture taking lot work Id again tomorrow because part 1977 R/C Aerobatic World Championships October 1977 53 Europeans use transmitter trays just beginning accepted country 1973 world champion Tsugutaka Yoshioka always started engine airplane inverted just missed fly-offsplaced seventh Close-up Pressners Curare Prototype Springfield 77 shows its vertical whip antenna favored Europeans
Edition: Model Aviation - 1977/10
Page Numbers: 44, 45, 46, 47, 48, 49, 50, 51, 52, 53
THE 1977 individual R/C aerobatics world champion Hanno Prettner Aus tria US champion team among 61 fliers 24 teams respectively Six qualifiers survived four rounds competition met flyoffs determine individual placings Although informal test flying model processing entry FAT license registra tion scheduled during Wed June 29 1st formal procedures 1977 World Championships held Thurs June 30 Scheduled test flying con ducted accordance official schedule procedures would simu late actual competition 2 pm opening ceremony began com petition Team managers 24 countries raised respective flags short very impressive ceremony Official competition flying have started 830 am Fri July 1 just after dark fierce storm moved through Springfield area arrived contest site about 8 am greeted shambles main circus style tent supposed house competitors airplanes sorted equipment found tatters twisted wreck tables model boxes bottom Campers site AMA officials Civil Air Patrol work ers struggled late night pro tect competitors gear improvised coverings Consequently little damage models equipment large food tent also destroyed wind rain site such mess start competition delayed until 930 am took substantial effort bring off early midst chaos surprising able obtain erect substitute tents midafternoon tent area looked nothing ever happened sound planning management hard work contest manager John Spal ding contest director Tom Rankin really paid off As soon competition began contest organization functioned like tuned machine flight line arrangement quite different Team Finals 2 flight lines separated 2000 ft Bob Scott Charles Calvert line chief starter/timer team line Don Lindley Don Lowe holding respective jobs line 2 line 5 judges roll timer 5 flashers dicate judges scores spectators 1st Round Rhett Miller 1st competitor up line Midway through Double Tm melmann became obvious some ng wrong airplane re spring transmitter aileron gim hal broken leaving him no stick centering Rhett no alternative land airplane suffer 860 score flight Since scores best 3 4 flights used deter team championship com petitors go 2 rounds flyoffs Rhett difficult task facing him Only top 10% 6 fliers would make flyoffs relatively light crosswind breeze present start competi tion rapidly built up 15 20 mph winds direction contestants faces Everyone difficulty trying keep RCWorId After four days intense competition SpringfieldOhio Hanno Prettner em erged Aerobatic champion United States top ranking team Championships 44 Model Aviation flights out front judges stead right top Flight scores suffered severely few pilots could overcome handicap Notable ex ceptions Hanno Prettner Mark Radcliff outstanding flights such adverse conditions Wolfgang Matt 1975 world cham pion engine flameout midway through flight appeared would facing same difficult task Rhett Miller get flyoffs also make subsequent flight count As turned out severe crosswind actually helped Matt Miller because virtually other competitor lowest flight score during 1st round ended up throwing score away However no knew things would turn out way pressure really Matt Miller well remaining flights end 1st round top 6 fliers Prettner Austria75 10 2 Radcliff US7035 3 Neckar Ger many6970 4 Yoshioka Japan6855 5 Brown US6655 6 Bertolani Italy6580 2nd Round Sat July 2 2nd day competition clear skies light moderate quartering crosswinds contestants found much liking Fri Scores soared relative previous day Unfortunately also several instances severe interfer ence 27145 MHz some glitch- Unusual several respects Spitfire entered Tore Paulsen Norway sand-and es 72 MHz frequencies privi- spinach camouflaged scale-type model tail-dragger flown during competition As leged watch gorgeous flight Ivan another picture shows detail engine equipped intake muffler October 1977 45 Like contestants judges worlds best came various countries photo taken during actual flight holding aloft individual point cards Olympic-style scoring naturally quite popular watching competitors spectators Second-place winner Dave Brown wife Sally happily pose trusty red-and-white Phoenix 7 During 1 0-man fly-off crowd maintained silenceuntil flight com plete just sounds engine flier calling maneuvers Kristensen left spectators cheer ing applauding maneuver score 8195 highest competition until point Rhett Miller Wolfgang Matt both 7700 flight scores began move up stand ings top six after 2nd round 1 Prettner Austrial5580 2 Kristensen Canada14560 3 Brown US14535 4 Radcliff US14350 5 Neck ar Germany14160 6 Naruke Japan 14140 3rd Round Sun July 3 3rd day competition blessed clear skies light vari able winds winds light contestants taking off landing both directions International rules allow competitor take off land direction choice direction perform 1st airborne maneuver figure M So uncommon see competitor take off right left start figure M left right cer tainly kept judges toes light winds resulted generally higher scores competitors Hanno Prettner Dave Brown both 8 200 scores lead way Matt Miller continued bear up under pressure advanced 12th 31st place respectively Rhett would have much higher initial score 860 compared Matts 4570 held him back top 6 after 3rd round 1 46 Model Aviation United States team solidly consistent placing three members fly-offs L R Dick Penrod team manager Dave Brown Rhett Miller Mark Radcliff same team represented USA 1975 WC Don Lowe team manager year Under sunny skies Springrield waiting contestants models pits spectators occasional beach umbrella pleased eye color rainbow another part field some 24 national flags raised short impressive ceremony Checking controls photo Tetsugi Okumura Japan flying ship cheek cowls front end rather like Form 1 Prettner Austria23825 2 Brown US22755 3 Kristensen Canada 22555 4 Radcliff US 21905 5 Naruke Japan2 1740 6 Neckar Ger many2 1440 After formal flying over party fliers supporters officials main tent area Irish team broke out quarts Irish whiskey served Irish coffee comers Several American sponsors chipped buy beer soft drinks Several pleasant hours spent talking new friends over world 4th Round Mon July4 long day Since final round flying 2 rounds flyoffs awards ceremonies completed day flying started 730 am usual 1 hr lunch break canceled day much like Sat No will argue Hano Prettner worlds best An electrical engineer Austria flying famous Curare Distinctive severely anhedralled horizontal tail October 1977 47 Close-up nose ot [ore Paulsens Spitfire shows unique carburetor muffler Ron states worked very well Pipe underneath Things got hectic Englands Martin Mcintosh time discover aileron servo operated retracts vice versa misadventure would upset anybodys cool Large circus tent provided adequate cover plenty space work ing models wind storm blew everything down night before round Desperate effort during night got things order Italian models known beautiful color scheme finishes Benito Bertolani no 25 team mate wait fly 48 Model Aviation Waiting start Canadas Ivan Kristensen took fourth place Spectators applauded cheered gorgeous round two flight light moderate quartering cross wind sky partly cloudy enough small clouds provide nice background judging maneuvers Fliers responded good conditions generally higher flight scores Hanno Prettner startled everyone 8705 K&B showed prototype new 50 Static tests claim 16000 rpm wide-blade Zinger 11/7 prop engine develops 3 hp Flight-line taxi shortened 1000-foot trip main tent area couple stepsAustralias Brian Green about board WORLD CHAMPIONSHIPS IN ORDER OF FINISH TyisF I1 NateHOostownPsss OosaaptsonAlesesEtCosseosionSagesPsasapCeebMsstf IeProsasilseRssraatsRadroMod BoatBass Corn -II HannoKlogentunsElectrIcalfIberglassWebraPips/Coat Roll001 Mrs WebraownfiberglassSlmpropeleo PreasnerAosrrra8EngIneerCorarnfooerSpeedPerryOyrarrrlopipe1 iTSKGHIMK SSM Specanoallyes DoseCorcinnatChref EngineerfiberglassE 0I Ran-UpGold-I nOhroBWonro ErIgIflos Pfroans 7fosterOSBOPSIfParryPerrypIpeit /-7bangWord FoparnIInoallno WolfgangPurstonrornBans OfficofiberglassWebraWens Ibournbrepropeeo MontLlecfrtOnsterrr13ManagerAtlasfoaarSpoednoWolurapipe11 -7%RIGSSM Conrest I noall yes II loonGoelpfr Get.PorrIbItfiberglassWabra- WelnraMDRoarPro LonnOn KrlssensoeCansda11BuilderI SaturnboarSpeednoWebranruffler11-7AIrCoarp 7IIIroallyes *I- FI ROarTallabassaeStuannibalsaWebratWeoroWebraZingerSourfrKrafrI singleelco MillerFlorida8Ijlone UCompensatorfooteSpeednoDynantlopIpe11-7RC- SlgoaruneStIOkas MarkNearaportFord PantsIIlbonglassROSSI Ran-UpSooronieo RadoliffOfrroBManager Ptroenro 7foannRoss PerryPerryprpn11-75 RIG-go rid EoperrtrIos i no4allInol TsogotakaKOofrrRobIng Srrop J Hatrerl -j YoshokaJapan17ProprietorUrsa MalorYS6OSRYbnerMK1019 Tetso1lKyoto1 baresFF reoffler j GroupI Pcgnnj p EngIneerPatrca P GS6OPSROSmuffler 1 115-85MSODDlarnond OkonroroJapon104 Glob1CPurabaSaro iHatter phiba 1Futaba None YS6OSRMIni Von7- T Narokaj Japan.nsriernrareofflerMSMSContest GueterRinrelnEl Hoppe F R Goronany 21 j EngIneerSpeedWebrappeIrornannadeKORProfessnonalI -BennyTldabolnr4bolraCV1 WeonaWebroMIOVO ZlngerGold-1srar SwedenBiMeynanIcCanonejJI Kellgnen dDyneerinpIpe11-7neng KP-7ZII Monron I I [ Groupeer Robbe Greaan- p Grunalg Harold NocoanH Germany 16 MaCItOGSMaaFSRPennypIpe11-BdonnarVanloprop r--f ~aefikonSupanrlgneI ownTop Flee Graaan- Pro Lor GozenSannarSwltomnland ToolnraoeScorpIon II G6OBH ABCownpipe11-7%dannerComperlrlonII IInn7 DIeterI onsOnockWebne Webra Benno-ISmnproy PrIm-Aosrnle6 PnllOsOptrOn Cunane edWobraI pipe els idnl IContest Spec n1r-ni2 p BeolnoLooca- OPSGPSBnrtn- - p Bertoloel Irary9RalesaynranKosesO 3OPS p Spipe11-7%001JSlnrProPII GunrerF EoenrolEleotrical-WebraMIni voopGFKGold-Moropropi-I Mettertrausen erorarry 12Tennolnlan Sultan VSpendWnbnamuffler11-7bergProfasolonal t17-r1 Webre1 YanissafrimEleMinI VOo RobonRote HardekerEngland 16 En15mneper1 SpeedHPirioffler 11-BArrSkylooder WarrenGaxorlIe Get.I HPRote HIterrOnoCanada20Managerbatorn [ HPHP muffler11-7AirSnaG 1H RaqgenoPonrara- enligre ISuperSuper-Pibra PS PasaaoollerItaly1SAuto Dealer MarIaJ OBOSH ABC Itigretlgre 11-lid MBAkiline EarnSloten -PsycCOlOgIst-I rtigneownTop Pbs Gieaen-Pro Line t 2 jCounselorj Scorpron IIJ GBOBH ABC -ownpIpe 11-7% dannerCompetitIonII made impossible anyone catch acteristically low flight 7195 just him flyoffs Wolfgang Matt made flyoffs second highest score World Chain- After 4th round flyoff qualifiers pionships 8510 wrap up place 1 Prettner Austria25020 2 flyofis Rhett Miller put unchar- Brown US24090 3 Matt Liechten October1977 49 Partially collapsed nose gear caused fibreglass prop scuff runway Frances Pierre three top R/C Aerobatics fliers 1977 world L R Wolfgang Matt Dave Brown Blanquart managed take off anyway Hanno Prettneralso top three 75 different order placement Matt fly entire pattern overcomes bad flight resulting plug failure subsequent flights good Lost own thoughts Rhett Miller right Dick Penrod left mechanic Ron Chidgey wait Rhetts moment fly Rheft ex perienced equipment mishap first flight like Man under awesome pressure making good followed stein24065 4 Kristensen Canada 23830 5 RadcliffUS22970 6 Mil ler US22955 final team placings see Competi tion News complete results World Championships computed adding scores best 3 flights team member Several teams 2 members some 1 final top 3 team placings 1 US 70015 2 Japan67545 3 Germany 64130 Flyoff flyoff held front 10 judges flight circle front CD tent scores 10 judges added 50 Model Aviation Australian wheat farmer Tom Prosser shacked entire flight line booming voice Liechtenstein team always arrived night line witn teody oear mascot rreparing nis called out maneuvers blonde well-known Atlas flight Wolfgang Matt placed third world champ 1975 cockpit eye-catching hair-do Pondering problem David Hardaker Eng land facing camera right team mate Terry Cooper Whatever Dave managed 17th flight Mexicos Luis Casten ada would like have over engine flam ed out tried emergency landing spectacular result best 2 flyoff flights add ed qualifying flight scores Con sequently flyofi flight really worth 2 flights since qualifying scores based scores 5 judges basis competitors ap parently solid positions Prettner Kristensen Prettner led Brown Matt close 1000 points Kristensen ahead Radcliff Miller around 900 points Prior starting flyoff flights requested audience cheer applaud flier until flight com plete huge audience complied request manner wit nessed believed absolute silence spectators eerie sound engine flier calling maneuvers Fliers drew lots flying sequence round flyoff Surprisingly order flight changed very little 1 round next wind began pick up flyoff approached moderately strong directly crosswind time flyoff started Fliers put flights consistent average 3 qualifying flights no barnburners competitor have apparent difficulty Ivan Kris tensen experienced engine trouble 2nd flightit sounded like engine went lean Ivan forced land pre mid-wing aircraft flown Bengt Lundstrom Sweden deep fuselage extending along its length employed flaps October1977 51 Oblivious camera Mark Radcliff right carries animated conversation Bill Ney can read owninto Too bad cant show other photos AWHOLE NEW What does Radio Control Pattern World Championships have average RC sport flier casual contest flier Plenty proving ground advanced equipment being developed debugged de manding fliers world Perfection acceptable standard business fact what wins sells manufacturers doing utmost satisfy fliers turn gives excellent input what works stays working under battle conditions Note said stays working Hav ing set scene will give observations some technical ad vancements both World Championships Masters Tournament Engines tuned pipe has come age tremendous power increase avail able power increase has brought about lots new problems engines just arent staying together Crankshafts breaking Rods wearing out Bearings dont hold up rings crack problems being solved am sure manufacturers will have corrections made before ship ments made large quantities engines now production prototypes tuned pipe has made airplanes ugly ducklings will drive air craft design new directions Steve Helms design called Bootlegger using prototype OPS rear-exhaust ABC front carb pipe through canopy cleans up design makes very neat set-up feel engine near future will rear-exhaust rear-intake ABC engine new sliding-bar linear carburetor will run little no nitro 5% max rear intake will allow stronger crankshaft fuel tank thinner lower make clearance rear-mounted pipe Mixture control will must unless pump used pipe tuning present critical pipe must set engine rpm involves prop design size prop er rpm max power seems 14500 rpm range stay pipe given day prop must varied give tuned rpm Also glow-plug life has substantially reduced plugs can let down wrong time Wolfgang Matt blew plug Rolling-8 first flight put back wall unfailing performance rest meet flying excellent true best way win start top first flight stay maturely avoid damage engine Hanno Prettner last man fly 1977 World Championships final individual placings see Com petition News complete results 10th R/C Aerobatics World Champion ships 1 Hanno Prettner Austria 41395 2 Dave Brown US40255 3 Wolfgang Matt Liechtenstein40 195 4 Ivan Kristensen Canada3899O 5 Rhett Miller US38735 6 Mark Radcliff US38485 awards ceremonies held front pipes abounding manner installa tion prime topic conversation chris tian Bossard Frence hid completely lovely model foreground Only smell round hole marked its exit top fuselage 52 Model Aviation Radios Radios have reached new level performance Signature Custom beautiful Phoenix 6 Iver Husem Nor way very effective flaps/spoilers Canadas Ivan Kristensen suitcase held transmittersas did others BALLGAME Expert type radio now offered result years demand exact longer life system curse servo pot wear seems licked Pot life maybe 10 flights now 200 claim over 1000 no longer need three sets servos set airplane waiting go set being fixed technology has incorporated sporttype radios can thank fliers important advancement Dual-rate control throws aileron elevator seems standard practice some using dual rate rudder critical turn Figure M crosswind Prettner using eight channels rudder elevator ailerons engine mixture control spoilers coupled decoupled flaps Transmitter design has pretty much settled down open precision stick high quality pots ad justable rates throws Temperature voltage drift nil technology has used sport-type radiQs Again can thank compe tition fliers demanding advancement manufacturers respon ding Aircraft Design Design changes top competition come slowly surely Its little little Construction design changed lighter airframe seven eight channels tuned pipes etc FAt maximum weight restric tion rule has become real problem some competitors found ships over-weight What take out Plastic covering will used save weight general less everything will put hope does result structural failures dont need failures poten tial liabilities think coupled flaps elevators will increase espec ially rules begin add square- triangle-type looping maneuvers Pipes mufflers will designed basic airframe Condusion cant help wonder type competition headed re quires more work amount flying done very tough league break also expensive will need best engines radios designs fuel etc course practicelots almost seems major rule change might order will put less demand resources special equipment simple design flexibility originality maneuvers wonder what slow-rpm high-torque 90 120 engine 800-900 sq wing fixed-gear basic design looks like full-scale type stunt aircraft would Ed Keck CD tent midst hundreds happy competitors supporters sponsors officials spectators Suddenly over feeling air ended too soon because people milling about long after awards presented seemed unwill ing let go great aura associated World Championship job just begun Imagine trying report about events importance Team Finals World Cham pionships Dick McGraw took 1100 photographs captions prepared worthy publica tion contestant information sheets converted Team Finals/World Championship matrixes presented Special thanks due Sgt Bill Grigs Ft Walton Beach Police Dept spent hrs processing film 32 rolls Dick McGraw cover ing Team Finals himself World Championships competitors officials gracious ly put up questions picture taking lot work Id again tomorrow because part 1977 R/C Aerobatic World Championships October 1977 53 Europeans use transmitter trays just beginning accepted country 1973 world champion Tsugutaka Yoshioka always started engine airplane inverted just missed fly-offsplaced seventh Close-up Pressners Curare Prototype Springfield 77 shows its vertical whip antenna favored Europeans
Edition: Model Aviation - 1977/10
Page Numbers: 44, 45, 46, 47, 48, 49, 50, 51, 52, 53
THE 1977 individual R/C aerobatics world champion Hanno Prettner Aus tria US champion team among 61 fliers 24 teams respectively Six qualifiers survived four rounds competition met flyoffs determine individual placings Although informal test flying model processing entry FAT license registra tion scheduled during Wed June 29 1st formal procedures 1977 World Championships held Thurs June 30 Scheduled test flying con ducted accordance official schedule procedures would simu late actual competition 2 pm opening ceremony began com petition Team managers 24 countries raised respective flags short very impressive ceremony Official competition flying have started 830 am Fri July 1 just after dark fierce storm moved through Springfield area arrived contest site about 8 am greeted shambles main circus style tent supposed house competitors airplanes sorted equipment found tatters twisted wreck tables model boxes bottom Campers site AMA officials Civil Air Patrol work ers struggled late night pro tect competitors gear improvised coverings Consequently little damage models equipment large food tent also destroyed wind rain site such mess start competition delayed until 930 am took substantial effort bring off early midst chaos surprising able obtain erect substitute tents midafternoon tent area looked nothing ever happened sound planning management hard work contest manager John Spal ding contest director Tom Rankin really paid off As soon competition began contest organization functioned like tuned machine flight line arrangement quite different Team Finals 2 flight lines separated 2000 ft Bob Scott Charles Calvert line chief starter/timer team line Don Lindley Don Lowe holding respective jobs line 2 line 5 judges roll timer 5 flashers dicate judges scores spectators 1st Round Rhett Miller 1st competitor up line Midway through Double Tm melmann became obvious some ng wrong airplane re spring transmitter aileron gim hal broken leaving him no stick centering Rhett no alternative land airplane suffer 860 score flight Since scores best 3 4 flights used deter team championship com petitors go 2 rounds flyoffs Rhett difficult task facing him Only top 10% 6 fliers would make flyoffs relatively light crosswind breeze present start competi tion rapidly built up 15 20 mph winds direction contestants faces Everyone difficulty trying keep RCWorId After four days intense competition SpringfieldOhio Hanno Prettner em erged Aerobatic champion United States top ranking team Championships 44 Model Aviation flights out front judges stead right top Flight scores suffered severely few pilots could overcome handicap Notable ex ceptions Hanno Prettner Mark Radcliff outstanding flights such adverse conditions Wolfgang Matt 1975 world cham pion engine flameout midway through flight appeared would facing same difficult task Rhett Miller get flyoffs also make subsequent flight count As turned out severe crosswind actually helped Matt Miller because virtually other competitor lowest flight score during 1st round ended up throwing score away However no knew things would turn out way pressure really Matt Miller well remaining flights end 1st round top 6 fliers Prettner Austria75 10 2 Radcliff US7035 3 Neckar Ger many6970 4 Yoshioka Japan6855 5 Brown US6655 6 Bertolani Italy6580 2nd Round Sat July 2 2nd day competition clear skies light moderate quartering crosswinds contestants found much liking Fri Scores soared relative previous day Unfortunately also several instances severe interfer ence 27145 MHz some glitch- Unusual several respects Spitfire entered Tore Paulsen Norway sand-and es 72 MHz frequencies privi- spinach camouflaged scale-type model tail-dragger flown during competition As leged watch gorgeous flight Ivan another picture shows detail engine equipped intake muffler October 1977 45 Like contestants judges worlds best came various countries photo taken during actual flight holding aloft individual point cards Olympic-style scoring naturally quite popular watching competitors spectators Second-place winner Dave Brown wife Sally happily pose trusty red-and-white Phoenix 7 During 1 0-man fly-off crowd maintained silenceuntil flight com plete just sounds engine flier calling maneuvers Kristensen left spectators cheer ing applauding maneuver score 8195 highest competition until point Rhett Miller Wolfgang Matt both 7700 flight scores began move up stand ings top six after 2nd round 1 Prettner Austrial5580 2 Kristensen Canada14560 3 Brown US14535 4 Radcliff US14350 5 Neck ar Germany14160 6 Naruke Japan 14140 3rd Round Sun July 3 3rd day competition blessed clear skies light vari able winds winds light contestants taking off landing both directions International rules allow competitor take off land direction choice direction perform 1st airborne maneuver figure M So uncommon see competitor take off right left start figure M left right cer tainly kept judges toes light winds resulted generally higher scores competitors Hanno Prettner Dave Brown both 8 200 scores lead way Matt Miller continued bear up under pressure advanced 12th 31st place respectively Rhett would have much higher initial score 860 compared Matts 4570 held him back top 6 after 3rd round 1 46 Model Aviation United States team solidly consistent placing three members fly-offs L R Dick Penrod team manager Dave Brown Rhett Miller Mark Radcliff same team represented USA 1975 WC Don Lowe team manager year Under sunny skies Springrield waiting contestants models pits spectators occasional beach umbrella pleased eye color rainbow another part field some 24 national flags raised short impressive ceremony Checking controls photo Tetsugi Okumura Japan flying ship cheek cowls front end rather like Form 1 Prettner Austria23825 2 Brown US22755 3 Kristensen Canada 22555 4 Radcliff US 21905 5 Naruke Japan2 1740 6 Neckar Ger many2 1440 After formal flying over party fliers supporters officials main tent area Irish team broke out quarts Irish whiskey served Irish coffee comers Several American sponsors chipped buy beer soft drinks Several pleasant hours spent talking new friends over world 4th Round Mon July4 long day Since final round flying 2 rounds flyoffs awards ceremonies completed day flying started 730 am usual 1 hr lunch break canceled day much like Sat No will argue Hano Prettner worlds best An electrical engineer Austria flying famous Curare Distinctive severely anhedralled horizontal tail October 1977 47 Close-up nose ot [ore Paulsens Spitfire shows unique carburetor muffler Ron states worked very well Pipe underneath Things got hectic Englands Martin Mcintosh time discover aileron servo operated retracts vice versa misadventure would upset anybodys cool Large circus tent provided adequate cover plenty space work ing models wind storm blew everything down night before round Desperate effort during night got things order Italian models known beautiful color scheme finishes Benito Bertolani no 25 team mate wait fly 48 Model Aviation Waiting start Canadas Ivan Kristensen took fourth place Spectators applauded cheered gorgeous round two flight light moderate quartering cross wind sky partly cloudy enough small clouds provide nice background judging maneuvers Fliers responded good conditions generally higher flight scores Hanno Prettner startled everyone 8705 K&B showed prototype new 50 Static tests claim 16000 rpm wide-blade Zinger 11/7 prop engine develops 3 hp Flight-line taxi shortened 1000-foot trip main tent area couple stepsAustralias Brian Green about board WORLD CHAMPIONSHIPS IN ORDER OF FINISH TyisF I1 NateHOostownPsss OosaaptsonAlesesEtCosseosionSagesPsasapCeebMsstf IeProsasilseRssraatsRadroMod BoatBass Corn -II HannoKlogentunsElectrIcalfIberglassWebraPips/Coat Roll001 Mrs WebraownfiberglassSlmpropeleo PreasnerAosrrra8EngIneerCorarnfooerSpeedPerryOyrarrrlopipe1 iTSKGHIMK SSM Specanoallyes DoseCorcinnatChref EngineerfiberglassE 0I Ran-UpGold-I nOhroBWonro ErIgIflos Pfroans 7fosterOSBOPSIfParryPerrypIpeit /-7bangWord FoparnIInoallno WolfgangPurstonrornBans OfficofiberglassWebraWens Ibournbrepropeeo MontLlecfrtOnsterrr13ManagerAtlasfoaarSpoednoWolurapipe11 -7%RIGSSM Conrest I noall yes II loonGoelpfr Get.PorrIbItfiberglassWabra- WelnraMDRoarPro LonnOn KrlssensoeCansda11BuilderI SaturnboarSpeednoWebranruffler11-7AIrCoarp 7IIIroallyes *I- FI ROarTallabassaeStuannibalsaWebratWeoroWebraZingerSourfrKrafrI singleelco MillerFlorida8Ijlone UCompensatorfooteSpeednoDynantlopIpe11-7RC- SlgoaruneStIOkas MarkNearaportFord PantsIIlbonglassROSSI Ran-UpSooronieo RadoliffOfrroBManager Ptroenro 7foannRoss PerryPerryprpn11-75 RIG-go rid EoperrtrIos i no4allInol TsogotakaKOofrrRobIng Srrop J Hatrerl -j YoshokaJapan17ProprietorUrsa MalorYS6OSRYbnerMK1019 Tetso1lKyoto1 baresFF reoffler j GroupI Pcgnnj p EngIneerPatrca P GS6OPSROSmuffler 1 115-85MSODDlarnond OkonroroJapon104 Glob1CPurabaSaro iHatter phiba 1Futaba None YS6OSRMIni Von7- T Narokaj Japan.nsriernrareofflerMSMSContest GueterRinrelnEl Hoppe F R Goronany 21 j EngIneerSpeedWebrappeIrornannadeKORProfessnonalI -BennyTldabolnr4bolraCV1 WeonaWebroMIOVO ZlngerGold-1srar SwedenBiMeynanIcCanonejJI Kellgnen dDyneerinpIpe11-7neng KP-7ZII Monron I I [ Groupeer Robbe Greaan- p Grunalg Harold NocoanH Germany 16 MaCItOGSMaaFSRPennypIpe11-BdonnarVanloprop r--f ~aefikonSupanrlgneI ownTop Flee Graaan- Pro Lor GozenSannarSwltomnland ToolnraoeScorpIon II G6OBH ABCownpipe11-7%dannerComperlrlonII IInn7 DIeterI onsOnockWebne Webra Benno-ISmnproy PrIm-Aosrnle6 PnllOsOptrOn Cunane edWobraI pipe els idnl IContest Spec n1r-ni2 p BeolnoLooca- OPSGPSBnrtn- - p Bertoloel Irary9RalesaynranKosesO 3OPS p Spipe11-7%001JSlnrProPII GunrerF EoenrolEleotrical-WebraMIni voopGFKGold-Moropropi-I Mettertrausen erorarry 12Tennolnlan Sultan VSpendWnbnamuffler11-7bergProfasolonal t17-r1 Webre1 YanissafrimEleMinI VOo RobonRote HardekerEngland 16 En15mneper1 SpeedHPirioffler 11-BArrSkylooder WarrenGaxorlIe Get.I HPRote HIterrOnoCanada20Managerbatorn [ HPHP muffler11-7AirSnaG 1H RaqgenoPonrara- enligre ISuperSuper-Pibra PS PasaaoollerItaly1SAuto Dealer MarIaJ OBOSH ABC Itigretlgre 11-lid MBAkiline EarnSloten -PsycCOlOgIst-I rtigneownTop Pbs Gieaen-Pro Line t 2 jCounselorj Scorpron IIJ GBOBH ABC -ownpIpe 11-7% dannerCompetitIonII made impossible anyone catch acteristically low flight 7195 just him flyoffs Wolfgang Matt made flyoffs second highest score World Chain- After 4th round flyoff qualifiers pionships 8510 wrap up place 1 Prettner Austria25020 2 flyofis Rhett Miller put unchar- Brown US24090 3 Matt Liechten October1977 49 Partially collapsed nose gear caused fibreglass prop scuff runway Frances Pierre three top R/C Aerobatics fliers 1977 world L R Wolfgang Matt Dave Brown Blanquart managed take off anyway Hanno Prettneralso top three 75 different order placement Matt fly entire pattern overcomes bad flight resulting plug failure subsequent flights good Lost own thoughts Rhett Miller right Dick Penrod left mechanic Ron Chidgey wait Rhetts moment fly Rheft ex perienced equipment mishap first flight like Man under awesome pressure making good followed stein24065 4 Kristensen Canada 23830 5 RadcliffUS22970 6 Mil ler US22955 final team placings see Competi tion News complete results World Championships computed adding scores best 3 flights team member Several teams 2 members some 1 final top 3 team placings 1 US 70015 2 Japan67545 3 Germany 64130 Flyoff flyoff held front 10 judges flight circle front CD tent scores 10 judges added 50 Model Aviation Australian wheat farmer Tom Prosser shacked entire flight line booming voice Liechtenstein team always arrived night line witn teody oear mascot rreparing nis called out maneuvers blonde well-known Atlas flight Wolfgang Matt placed third world champ 1975 cockpit eye-catching hair-do Pondering problem David Hardaker Eng land facing camera right team mate Terry Cooper Whatever Dave managed 17th flight Mexicos Luis Casten ada would like have over engine flam ed out tried emergency landing spectacular result best 2 flyoff flights add ed qualifying flight scores Con sequently flyofi flight really worth 2 flights since qualifying scores based scores 5 judges basis competitors ap parently solid positions Prettner Kristensen Prettner led Brown Matt close 1000 points Kristensen ahead Radcliff Miller around 900 points Prior starting flyoff flights requested audience cheer applaud flier until flight com plete huge audience complied request manner wit nessed believed absolute silence spectators eerie sound engine flier calling maneuvers Fliers drew lots flying sequence round flyoff Surprisingly order flight changed very little 1 round next wind began pick up flyoff approached moderately strong directly crosswind time flyoff started Fliers put flights consistent average 3 qualifying flights no barnburners competitor have apparent difficulty Ivan Kris tensen experienced engine trouble 2nd flightit sounded like engine went lean Ivan forced land pre mid-wing aircraft flown Bengt Lundstrom Sweden deep fuselage extending along its length employed flaps October1977 51 Oblivious camera Mark Radcliff right carries animated conversation Bill Ney can read owninto Too bad cant show other photos AWHOLE NEW What does Radio Control Pattern World Championships have average RC sport flier casual contest flier Plenty proving ground advanced equipment being developed debugged de manding fliers world Perfection acceptable standard business fact what wins sells manufacturers doing utmost satisfy fliers turn gives excellent input what works stays working under battle conditions Note said stays working Hav ing set scene will give observations some technical ad vancements both World Championships Masters Tournament Engines tuned pipe has come age tremendous power increase avail able power increase has brought about lots new problems engines just arent staying together Crankshafts breaking Rods wearing out Bearings dont hold up rings crack problems being solved am sure manufacturers will have corrections made before ship ments made large quantities engines now production prototypes tuned pipe has made airplanes ugly ducklings will drive air craft design new directions Steve Helms design called Bootlegger using prototype OPS rear-exhaust ABC front carb pipe through canopy cleans up design makes very neat set-up feel engine near future will rear-exhaust rear-intake ABC engine new sliding-bar linear carburetor will run little no nitro 5% max rear intake will allow stronger crankshaft fuel tank thinner lower make clearance rear-mounted pipe Mixture control will must unless pump used pipe tuning present critical pipe must set engine rpm involves prop design size prop er rpm max power seems 14500 rpm range stay pipe given day prop must varied give tuned rpm Also glow-plug life has substantially reduced plugs can let down wrong time Wolfgang Matt blew plug Rolling-8 first flight put back wall unfailing performance rest meet flying excellent true best way win start top first flight stay maturely avoid damage engine Hanno Prettner last man fly 1977 World Championships final individual placings see Com petition News complete results 10th R/C Aerobatics World Champion ships 1 Hanno Prettner Austria 41395 2 Dave Brown US40255 3 Wolfgang Matt Liechtenstein40 195 4 Ivan Kristensen Canada3899O 5 Rhett Miller US38735 6 Mark Radcliff US38485 awards ceremonies held front pipes abounding manner installa tion prime topic conversation chris tian Bossard Frence hid completely lovely model foreground Only smell round hole marked its exit top fuselage 52 Model Aviation Radios Radios have reached new level performance Signature Custom beautiful Phoenix 6 Iver Husem Nor way very effective flaps/spoilers Canadas Ivan Kristensen suitcase held transmittersas did others BALLGAME Expert type radio now offered result years demand exact longer life system curse servo pot wear seems licked Pot life maybe 10 flights now 200 claim over 1000 no longer need three sets servos set airplane waiting go set being fixed technology has incorporated sporttype radios can thank fliers important advancement Dual-rate control throws aileron elevator seems standard practice some using dual rate rudder critical turn Figure M crosswind Prettner using eight channels rudder elevator ailerons engine mixture control spoilers coupled decoupled flaps Transmitter design has pretty much settled down open precision stick high quality pots ad justable rates throws Temperature voltage drift nil technology has used sport-type radiQs Again can thank compe tition fliers demanding advancement manufacturers respon ding Aircraft Design Design changes top competition come slowly surely Its little little Construction design changed lighter airframe seven eight channels tuned pipes etc FAt maximum weight restric tion rule has become real problem some competitors found ships over-weight What take out Plastic covering will used save weight general less everything will put hope does result structural failures dont need failures poten tial liabilities think coupled flaps elevators will increase espec ially rules begin add square- triangle-type looping maneuvers Pipes mufflers will designed basic airframe Condusion cant help wonder type competition headed re quires more work amount flying done very tough league break also expensive will need best engines radios designs fuel etc course practicelots almost seems major rule change might order will put less demand resources special equipment simple design flexibility originality maneuvers wonder what slow-rpm high-torque 90 120 engine 800-900 sq wing fixed-gear basic design looks like full-scale type stunt aircraft would Ed Keck CD tent midst hundreds happy competitors supporters sponsors officials spectators Suddenly over feeling air ended too soon because people milling about long after awards presented seemed unwill ing let go great aura associated World Championship job just begun Imagine trying report about events importance Team Finals World Cham pionships Dick McGraw took 1100 photographs captions prepared worthy publica tion contestant information sheets converted Team Finals/World Championship matrixes presented Special thanks due Sgt Bill Grigs Ft Walton Beach Police Dept spent hrs processing film 32 rolls Dick McGraw cover ing Team Finals himself World Championships competitors officials gracious ly put up questions picture taking lot work Id again tomorrow because part 1977 R/C Aerobatic World Championships October 1977 53 Europeans use transmitter trays just beginning accepted country 1973 world champion Tsugutaka Yoshioka always started engine airplane inverted just missed fly-offsplaced seventh Close-up Pressners Curare Prototype Springfield 77 shows its vertical whip antenna favored Europeans
Edition: Model Aviation - 1977/10
Page Numbers: 44, 45, 46, 47, 48, 49, 50, 51, 52, 53
THE 1977 individual R/C aerobatics world champion Hanno Prettner Aus tria US champion team among 61 fliers 24 teams respectively Six qualifiers survived four rounds competition met flyoffs determine individual placings Although informal test flying model processing entry FAT license registra tion scheduled during Wed June 29 1st formal procedures 1977 World Championships held Thurs June 30 Scheduled test flying con ducted accordance official schedule procedures would simu late actual competition 2 pm opening ceremony began com petition Team managers 24 countries raised respective flags short very impressive ceremony Official competition flying have started 830 am Fri July 1 just after dark fierce storm moved through Springfield area arrived contest site about 8 am greeted shambles main circus style tent supposed house competitors airplanes sorted equipment found tatters twisted wreck tables model boxes bottom Campers site AMA officials Civil Air Patrol work ers struggled late night pro tect competitors gear improvised coverings Consequently little damage models equipment large food tent also destroyed wind rain site such mess start competition delayed until 930 am took substantial effort bring off early midst chaos surprising able obtain erect substitute tents midafternoon tent area looked nothing ever happened sound planning management hard work contest manager John Spal ding contest director Tom Rankin really paid off As soon competition began contest organization functioned like tuned machine flight line arrangement quite different Team Finals 2 flight lines separated 2000 ft Bob Scott Charles Calvert line chief starter/timer team line Don Lindley Don Lowe holding respective jobs line 2 line 5 judges roll timer 5 flashers dicate judges scores spectators 1st Round Rhett Miller 1st competitor up line Midway through Double Tm melmann became obvious some ng wrong airplane re spring transmitter aileron gim hal broken leaving him no stick centering Rhett no alternative land airplane suffer 860 score flight Since scores best 3 4 flights used deter team championship com petitors go 2 rounds flyoffs Rhett difficult task facing him Only top 10% 6 fliers would make flyoffs relatively light crosswind breeze present start competi tion rapidly built up 15 20 mph winds direction contestants faces Everyone difficulty trying keep RCWorId After four days intense competition SpringfieldOhio Hanno Prettner em erged Aerobatic champion United States top ranking team Championships 44 Model Aviation flights out front judges stead right top Flight scores suffered severely few pilots could overcome handicap Notable ex ceptions Hanno Prettner Mark Radcliff outstanding flights such adverse conditions Wolfgang Matt 1975 world cham pion engine flameout midway through flight appeared would facing same difficult task Rhett Miller get flyoffs also make subsequent flight count As turned out severe crosswind actually helped Matt Miller because virtually other competitor lowest flight score during 1st round ended up throwing score away However no knew things would turn out way pressure really Matt Miller well remaining flights end 1st round top 6 fliers Prettner Austria75 10 2 Radcliff US7035 3 Neckar Ger many6970 4 Yoshioka Japan6855 5 Brown US6655 6 Bertolani Italy6580 2nd Round Sat July 2 2nd day competition clear skies light moderate quartering crosswinds contestants found much liking Fri Scores soared relative previous day Unfortunately also several instances severe interfer ence 27145 MHz some glitch- Unusual several respects Spitfire entered Tore Paulsen Norway sand-and es 72 MHz frequencies privi- spinach camouflaged scale-type model tail-dragger flown during competition As leged watch gorgeous flight Ivan another picture shows detail engine equipped intake muffler October 1977 45 Like contestants judges worlds best came various countries photo taken during actual flight holding aloft individual point cards Olympic-style scoring naturally quite popular watching competitors spectators Second-place winner Dave Brown wife Sally happily pose trusty red-and-white Phoenix 7 During 1 0-man fly-off crowd maintained silenceuntil flight com plete just sounds engine flier calling maneuvers Kristensen left spectators cheer ing applauding maneuver score 8195 highest competition until point Rhett Miller Wolfgang Matt both 7700 flight scores began move up stand ings top six after 2nd round 1 Prettner Austrial5580 2 Kristensen Canada14560 3 Brown US14535 4 Radcliff US14350 5 Neck ar Germany14160 6 Naruke Japan 14140 3rd Round Sun July 3 3rd day competition blessed clear skies light vari able winds winds light contestants taking off landing both directions International rules allow competitor take off land direction choice direction perform 1st airborne maneuver figure M So uncommon see competitor take off right left start figure M left right cer tainly kept judges toes light winds resulted generally higher scores competitors Hanno Prettner Dave Brown both 8 200 scores lead way Matt Miller continued bear up under pressure advanced 12th 31st place respectively Rhett would have much higher initial score 860 compared Matts 4570 held him back top 6 after 3rd round 1 46 Model Aviation United States team solidly consistent placing three members fly-offs L R Dick Penrod team manager Dave Brown Rhett Miller Mark Radcliff same team represented USA 1975 WC Don Lowe team manager year Under sunny skies Springrield waiting contestants models pits spectators occasional beach umbrella pleased eye color rainbow another part field some 24 national flags raised short impressive ceremony Checking controls photo Tetsugi Okumura Japan flying ship cheek cowls front end rather like Form 1 Prettner Austria23825 2 Brown US22755 3 Kristensen Canada 22555 4 Radcliff US 21905 5 Naruke Japan2 1740 6 Neckar Ger many2 1440 After formal flying over party fliers supporters officials main tent area Irish team broke out quarts Irish whiskey served Irish coffee comers Several American sponsors chipped buy beer soft drinks Several pleasant hours spent talking new friends over world 4th Round Mon July4 long day Since final round flying 2 rounds flyoffs awards ceremonies completed day flying started 730 am usual 1 hr lunch break canceled day much like Sat No will argue Hano Prettner worlds best An electrical engineer Austria flying famous Curare Distinctive severely anhedralled horizontal tail October 1977 47 Close-up nose ot [ore Paulsens Spitfire shows unique carburetor muffler Ron states worked very well Pipe underneath Things got hectic Englands Martin Mcintosh time discover aileron servo operated retracts vice versa misadventure would upset anybodys cool Large circus tent provided adequate cover plenty space work ing models wind storm blew everything down night before round Desperate effort during night got things order Italian models known beautiful color scheme finishes Benito Bertolani no 25 team mate wait fly 48 Model Aviation Waiting start Canadas Ivan Kristensen took fourth place Spectators applauded cheered gorgeous round two flight light moderate quartering cross wind sky partly cloudy enough small clouds provide nice background judging maneuvers Fliers responded good conditions generally higher flight scores Hanno Prettner startled everyone 8705 K&B showed prototype new 50 Static tests claim 16000 rpm wide-blade Zinger 11/7 prop engine develops 3 hp Flight-line taxi shortened 1000-foot trip main tent area couple stepsAustralias Brian Green about board WORLD CHAMPIONSHIPS IN ORDER OF FINISH TyisF I1 NateHOostownPsss OosaaptsonAlesesEtCosseosionSagesPsasapCeebMsstf IeProsasilseRssraatsRadroMod BoatBass Corn -II HannoKlogentunsElectrIcalfIberglassWebraPips/Coat Roll001 Mrs WebraownfiberglassSlmpropeleo PreasnerAosrrra8EngIneerCorarnfooerSpeedPerryOyrarrrlopipe1 iTSKGHIMK SSM Specanoallyes DoseCorcinnatChref EngineerfiberglassE 0I Ran-UpGold-I nOhroBWonro ErIgIflos Pfroans 7fosterOSBOPSIfParryPerrypIpeit /-7bangWord FoparnIInoallno WolfgangPurstonrornBans OfficofiberglassWebraWens Ibournbrepropeeo MontLlecfrtOnsterrr13ManagerAtlasfoaarSpoednoWolurapipe11 -7%RIGSSM Conrest I noall yes II loonGoelpfr Get.PorrIbItfiberglassWabra- WelnraMDRoarPro LonnOn KrlssensoeCansda11BuilderI SaturnboarSpeednoWebranruffler11-7AIrCoarp 7IIIroallyes *I- FI ROarTallabassaeStuannibalsaWebratWeoroWebraZingerSourfrKrafrI singleelco MillerFlorida8Ijlone UCompensatorfooteSpeednoDynantlopIpe11-7RC- SlgoaruneStIOkas MarkNearaportFord PantsIIlbonglassROSSI Ran-UpSooronieo RadoliffOfrroBManager Ptroenro 7foannRoss PerryPerryprpn11-75 RIG-go rid EoperrtrIos i no4allInol TsogotakaKOofrrRobIng Srrop J Hatrerl -j YoshokaJapan17ProprietorUrsa MalorYS6OSRYbnerMK1019 Tetso1lKyoto1 baresFF reoffler j GroupI Pcgnnj p EngIneerPatrca P GS6OPSROSmuffler 1 115-85MSODDlarnond OkonroroJapon104 Glob1CPurabaSaro iHatter phiba 1Futaba None YS6OSRMIni Von7- T Narokaj Japan.nsriernrareofflerMSMSContest GueterRinrelnEl Hoppe F R Goronany 21 j EngIneerSpeedWebrappeIrornannadeKORProfessnonalI -BennyTldabolnr4bolraCV1 WeonaWebroMIOVO ZlngerGold-1srar SwedenBiMeynanIcCanonejJI Kellgnen dDyneerinpIpe11-7neng KP-7ZII Monron I I [ Groupeer Robbe Greaan- p Grunalg Harold NocoanH Germany 16 MaCItOGSMaaFSRPennypIpe11-BdonnarVanloprop r--f ~aefikonSupanrlgneI ownTop Flee Graaan- Pro Lor GozenSannarSwltomnland ToolnraoeScorpIon II G6OBH ABCownpipe11-7%dannerComperlrlonII IInn7 DIeterI onsOnockWebne Webra Benno-ISmnproy PrIm-Aosrnle6 PnllOsOptrOn Cunane edWobraI pipe els idnl IContest Spec n1r-ni2 p BeolnoLooca- OPSGPSBnrtn- - p Bertoloel Irary9RalesaynranKosesO 3OPS p Spipe11-7%001JSlnrProPII GunrerF EoenrolEleotrical-WebraMIni voopGFKGold-Moropropi-I Mettertrausen erorarry 12Tennolnlan Sultan VSpendWnbnamuffler11-7bergProfasolonal t17-r1 Webre1 YanissafrimEleMinI VOo RobonRote HardekerEngland 16 En15mneper1 SpeedHPirioffler 11-BArrSkylooder WarrenGaxorlIe Get.I HPRote HIterrOnoCanada20Managerbatorn [ HPHP muffler11-7AirSnaG 1H RaqgenoPonrara- enligre ISuperSuper-Pibra PS PasaaoollerItaly1SAuto Dealer MarIaJ OBOSH ABC Itigretlgre 11-lid MBAkiline EarnSloten -PsycCOlOgIst-I rtigneownTop Pbs Gieaen-Pro Line t 2 jCounselorj Scorpron IIJ GBOBH ABC -ownpIpe 11-7% dannerCompetitIonII made impossible anyone catch acteristically low flight 7195 just him flyoffs Wolfgang Matt made flyoffs second highest score World Chain- After 4th round flyoff qualifiers pionships 8510 wrap up place 1 Prettner Austria25020 2 flyofis Rhett Miller put unchar- Brown US24090 3 Matt Liechten October1977 49 Partially collapsed nose gear caused fibreglass prop scuff runway Frances Pierre three top R/C Aerobatics fliers 1977 world L R Wolfgang Matt Dave Brown Blanquart managed take off anyway Hanno Prettneralso top three 75 different order placement Matt fly entire pattern overcomes bad flight resulting plug failure subsequent flights good Lost own thoughts Rhett Miller right Dick Penrod left mechanic Ron Chidgey wait Rhetts moment fly Rheft ex perienced equipment mishap first flight like Man under awesome pressure making good followed stein24065 4 Kristensen Canada 23830 5 RadcliffUS22970 6 Mil ler US22955 final team placings see Competi tion News complete results World Championships computed adding scores best 3 flights team member Several teams 2 members some 1 final top 3 team placings 1 US 70015 2 Japan67545 3 Germany 64130 Flyoff flyoff held front 10 judges flight circle front CD tent scores 10 judges added 50 Model Aviation Australian wheat farmer Tom Prosser shacked entire flight line booming voice Liechtenstein team always arrived night line witn teody oear mascot rreparing nis called out maneuvers blonde well-known Atlas flight Wolfgang Matt placed third world champ 1975 cockpit eye-catching hair-do Pondering problem David Hardaker Eng land facing camera right team mate Terry Cooper Whatever Dave managed 17th flight Mexicos Luis Casten ada would like have over engine flam ed out tried emergency landing spectacular result best 2 flyoff flights add ed qualifying flight scores Con sequently flyofi flight really worth 2 flights since qualifying scores based scores 5 judges basis competitors ap parently solid positions Prettner Kristensen Prettner led Brown Matt close 1000 points Kristensen ahead Radcliff Miller around 900 points Prior starting flyoff flights requested audience cheer applaud flier until flight com plete huge audience complied request manner wit nessed believed absolute silence spectators eerie sound engine flier calling maneuvers Fliers drew lots flying sequence round flyoff Surprisingly order flight changed very little 1 round next wind began pick up flyoff approached moderately strong directly crosswind time flyoff started Fliers put flights consistent average 3 qualifying flights no barnburners competitor have apparent difficulty Ivan Kris tensen experienced engine trouble 2nd flightit sounded like engine went lean Ivan forced land pre mid-wing aircraft flown Bengt Lundstrom Sweden deep fuselage extending along its length employed flaps October1977 51 Oblivious camera Mark Radcliff right carries animated conversation Bill Ney can read owninto Too bad cant show other photos AWHOLE NEW What does Radio Control Pattern World Championships have average RC sport flier casual contest flier Plenty proving ground advanced equipment being developed debugged de manding fliers world Perfection acceptable standard business fact what wins sells manufacturers doing utmost satisfy fliers turn gives excellent input what works stays working under battle conditions Note said stays working Hav ing set scene will give observations some technical ad vancements both World Championships Masters Tournament Engines tuned pipe has come age tremendous power increase avail able power increase has brought about lots new problems engines just arent staying together Crankshafts breaking Rods wearing out Bearings dont hold up rings crack problems being solved am sure manufacturers will have corrections made before ship ments made large quantities engines now production prototypes tuned pipe has made airplanes ugly ducklings will drive air craft design new directions Steve Helms design called Bootlegger using prototype OPS rear-exhaust ABC front carb pipe through canopy cleans up design makes very neat set-up feel engine near future will rear-exhaust rear-intake ABC engine new sliding-bar linear carburetor will run little no nitro 5% max rear intake will allow stronger crankshaft fuel tank thinner lower make clearance rear-mounted pipe Mixture control will must unless pump used pipe tuning present critical pipe must set engine rpm involves prop design size prop er rpm max power seems 14500 rpm range stay pipe given day prop must varied give tuned rpm Also glow-plug life has substantially reduced plugs can let down wrong time Wolfgang Matt blew plug Rolling-8 first flight put back wall unfailing performance rest meet flying excellent true best way win start top first flight stay maturely avoid damage engine Hanno Prettner last man fly 1977 World Championships final individual placings see Com petition News complete results 10th R/C Aerobatics World Champion ships 1 Hanno Prettner Austria 41395 2 Dave Brown US40255 3 Wolfgang Matt Liechtenstein40 195 4 Ivan Kristensen Canada3899O 5 Rhett Miller US38735 6 Mark Radcliff US38485 awards ceremonies held front pipes abounding manner installa tion prime topic conversation chris tian Bossard Frence hid completely lovely model foreground Only smell round hole marked its exit top fuselage 52 Model Aviation Radios Radios have reached new level performance Signature Custom beautiful Phoenix 6 Iver Husem Nor way very effective flaps/spoilers Canadas Ivan Kristensen suitcase held transmittersas did others BALLGAME Expert type radio now offered result years demand exact longer life system curse servo pot wear seems licked Pot life maybe 10 flights now 200 claim over 1000 no longer need three sets servos set airplane waiting go set being fixed technology has incorporated sporttype radios can thank fliers important advancement Dual-rate control throws aileron elevator seems standard practice some using dual rate rudder critical turn Figure M crosswind Prettner using eight channels rudder elevator ailerons engine mixture control spoilers coupled decoupled flaps Transmitter design has pretty much settled down open precision stick high quality pots ad justable rates throws Temperature voltage drift nil technology has used sport-type radiQs Again can thank compe tition fliers demanding advancement manufacturers respon ding Aircraft Design Design changes top competition come slowly surely Its little little Construction design changed lighter airframe seven eight channels tuned pipes etc FAt maximum weight restric tion rule has become real problem some competitors found ships over-weight What take out Plastic covering will used save weight general less everything will put hope does result structural failures dont need failures poten tial liabilities think coupled flaps elevators will increase espec ially rules begin add square- triangle-type looping maneuvers Pipes mufflers will designed basic airframe Condusion cant help wonder type competition headed re quires more work amount flying done very tough league break also expensive will need best engines radios designs fuel etc course practicelots almost seems major rule change might order will put less demand resources special equipment simple design flexibility originality maneuvers wonder what slow-rpm high-torque 90 120 engine 800-900 sq wing fixed-gear basic design looks like full-scale type stunt aircraft would Ed Keck CD tent midst hundreds happy competitors supporters sponsors officials spectators Suddenly over feeling air ended too soon because people milling about long after awards presented seemed unwill ing let go great aura associated World Championship job just begun Imagine trying report about events importance Team Finals World Cham pionships Dick McGraw took 1100 photographs captions prepared worthy publica tion contestant information sheets converted Team Finals/World Championship matrixes presented Special thanks due Sgt Bill Grigs Ft Walton Beach Police Dept spent hrs processing film 32 rolls Dick McGraw cover ing Team Finals himself World Championships competitors officials gracious ly put up questions picture taking lot work Id again tomorrow because part 1977 R/C Aerobatic World Championships October 1977 53 Europeans use transmitter trays just beginning accepted country 1973 world champion Tsugutaka Yoshioka always started engine airplane inverted just missed fly-offsplaced seventh Close-up Pressners Curare Prototype Springfield 77 shows its vertical whip antenna favored Europeans
Edition: Model Aviation - 1977/10
Page Numbers: 44, 45, 46, 47, 48, 49, 50, 51, 52, 53
THE 1977 individual R/C aerobatics world champion Hanno Prettner Aus tria US champion team among 61 fliers 24 teams respectively Six qualifiers survived four rounds competition met flyoffs determine individual placings Although informal test flying model processing entry FAT license registra tion scheduled during Wed June 29 1st formal procedures 1977 World Championships held Thurs June 30 Scheduled test flying con ducted accordance official schedule procedures would simu late actual competition 2 pm opening ceremony began com petition Team managers 24 countries raised respective flags short very impressive ceremony Official competition flying have started 830 am Fri July 1 just after dark fierce storm moved through Springfield area arrived contest site about 8 am greeted shambles main circus style tent supposed house competitors airplanes sorted equipment found tatters twisted wreck tables model boxes bottom Campers site AMA officials Civil Air Patrol work ers struggled late night pro tect competitors gear improvised coverings Consequently little damage models equipment large food tent also destroyed wind rain site such mess start competition delayed until 930 am took substantial effort bring off early midst chaos surprising able obtain erect substitute tents midafternoon tent area looked nothing ever happened sound planning management hard work contest manager John Spal ding contest director Tom Rankin really paid off As soon competition began contest organization functioned like tuned machine flight line arrangement quite different Team Finals 2 flight lines separated 2000 ft Bob Scott Charles Calvert line chief starter/timer team line Don Lindley Don Lowe holding respective jobs line 2 line 5 judges roll timer 5 flashers dicate judges scores spectators 1st Round Rhett Miller 1st competitor up line Midway through Double Tm melmann became obvious some ng wrong airplane re spring transmitter aileron gim hal broken leaving him no stick centering Rhett no alternative land airplane suffer 860 score flight Since scores best 3 4 flights used deter team championship com petitors go 2 rounds flyoffs Rhett difficult task facing him Only top 10% 6 fliers would make flyoffs relatively light crosswind breeze present start competi tion rapidly built up 15 20 mph winds direction contestants faces Everyone difficulty trying keep RCWorId After four days intense competition SpringfieldOhio Hanno Prettner em erged Aerobatic champion United States top ranking team Championships 44 Model Aviation flights out front judges stead right top Flight scores suffered severely few pilots could overcome handicap Notable ex ceptions Hanno Prettner Mark Radcliff outstanding flights such adverse conditions Wolfgang Matt 1975 world cham pion engine flameout midway through flight appeared would facing same difficult task Rhett Miller get flyoffs also make subsequent flight count As turned out severe crosswind actually helped Matt Miller because virtually other competitor lowest flight score during 1st round ended up throwing score away However no knew things would turn out way pressure really Matt Miller well remaining flights end 1st round top 6 fliers Prettner Austria75 10 2 Radcliff US7035 3 Neckar Ger many6970 4 Yoshioka Japan6855 5 Brown US6655 6 Bertolani Italy6580 2nd Round Sat July 2 2nd day competition clear skies light moderate quartering crosswinds contestants found much liking Fri Scores soared relative previous day Unfortunately also several instances severe interfer ence 27145 MHz some glitch- Unusual several respects Spitfire entered Tore Paulsen Norway sand-and es 72 MHz frequencies privi- spinach camouflaged scale-type model tail-dragger flown during competition As leged watch gorgeous flight Ivan another picture shows detail engine equipped intake muffler October 1977 45 Like contestants judges worlds best came various countries photo taken during actual flight holding aloft individual point cards Olympic-style scoring naturally quite popular watching competitors spectators Second-place winner Dave Brown wife Sally happily pose trusty red-and-white Phoenix 7 During 1 0-man fly-off crowd maintained silenceuntil flight com plete just sounds engine flier calling maneuvers Kristensen left spectators cheer ing applauding maneuver score 8195 highest competition until point Rhett Miller Wolfgang Matt both 7700 flight scores began move up stand ings top six after 2nd round 1 Prettner Austrial5580 2 Kristensen Canada14560 3 Brown US14535 4 Radcliff US14350 5 Neck ar Germany14160 6 Naruke Japan 14140 3rd Round Sun July 3 3rd day competition blessed clear skies light vari able winds winds light contestants taking off landing both directions International rules allow competitor take off land direction choice direction perform 1st airborne maneuver figure M So uncommon see competitor take off right left start figure M left right cer tainly kept judges toes light winds resulted generally higher scores competitors Hanno Prettner Dave Brown both 8 200 scores lead way Matt Miller continued bear up under pressure advanced 12th 31st place respectively Rhett would have much higher initial score 860 compared Matts 4570 held him back top 6 after 3rd round 1 46 Model Aviation United States team solidly consistent placing three members fly-offs L R Dick Penrod team manager Dave Brown Rhett Miller Mark Radcliff same team represented USA 1975 WC Don Lowe team manager year Under sunny skies Springrield waiting contestants models pits spectators occasional beach umbrella pleased eye color rainbow another part field some 24 national flags raised short impressive ceremony Checking controls photo Tetsugi Okumura Japan flying ship cheek cowls front end rather like Form 1 Prettner Austria23825 2 Brown US22755 3 Kristensen Canada 22555 4 Radcliff US 21905 5 Naruke Japan2 1740 6 Neckar Ger many2 1440 After formal flying over party fliers supporters officials main tent area Irish team broke out quarts Irish whiskey served Irish coffee comers Several American sponsors chipped buy beer soft drinks Several pleasant hours spent talking new friends over world 4th Round Mon July4 long day Since final round flying 2 rounds flyoffs awards ceremonies completed day flying started 730 am usual 1 hr lunch break canceled day much like Sat No will argue Hano Prettner worlds best An electrical engineer Austria flying famous Curare Distinctive severely anhedralled horizontal tail October 1977 47 Close-up nose ot [ore Paulsens Spitfire shows unique carburetor muffler Ron states worked very well Pipe underneath Things got hectic Englands Martin Mcintosh time discover aileron servo operated retracts vice versa misadventure would upset anybodys cool Large circus tent provided adequate cover plenty space work ing models wind storm blew everything down night before round Desperate effort during night got things order Italian models known beautiful color scheme finishes Benito Bertolani no 25 team mate wait fly 48 Model Aviation Waiting start Canadas Ivan Kristensen took fourth place Spectators applauded cheered gorgeous round two flight light moderate quartering cross wind sky partly cloudy enough small clouds provide nice background judging maneuvers Fliers responded good conditions generally higher flight scores Hanno Prettner startled everyone 8705 K&B showed prototype new 50 Static tests claim 16000 rpm wide-blade Zinger 11/7 prop engine develops 3 hp Flight-line taxi shortened 1000-foot trip main tent area couple stepsAustralias Brian Green about board WORLD CHAMPIONSHIPS IN ORDER OF FINISH TyisF I1 NateHOostownPsss OosaaptsonAlesesEtCosseosionSagesPsasapCeebMsstf IeProsasilseRssraatsRadroMod BoatBass Corn -II HannoKlogentunsElectrIcalfIberglassWebraPips/Coat Roll001 Mrs WebraownfiberglassSlmpropeleo PreasnerAosrrra8EngIneerCorarnfooerSpeedPerryOyrarrrlopipe1 iTSKGHIMK SSM Specanoallyes DoseCorcinnatChref EngineerfiberglassE 0I Ran-UpGold-I nOhroBWonro ErIgIflos Pfroans 7fosterOSBOPSIfParryPerrypIpeit /-7bangWord FoparnIInoallno WolfgangPurstonrornBans OfficofiberglassWebraWens Ibournbrepropeeo MontLlecfrtOnsterrr13ManagerAtlasfoaarSpoednoWolurapipe11 -7%RIGSSM Conrest I noall yes II loonGoelpfr Get.PorrIbItfiberglassWabra- WelnraMDRoarPro LonnOn KrlssensoeCansda11BuilderI SaturnboarSpeednoWebranruffler11-7AIrCoarp 7IIIroallyes *I- FI ROarTallabassaeStuannibalsaWebratWeoroWebraZingerSourfrKrafrI singleelco MillerFlorida8Ijlone UCompensatorfooteSpeednoDynantlopIpe11-7RC- SlgoaruneStIOkas MarkNearaportFord PantsIIlbonglassROSSI Ran-UpSooronieo RadoliffOfrroBManager Ptroenro 7foannRoss PerryPerryprpn11-75 RIG-go rid EoperrtrIos i no4allInol TsogotakaKOofrrRobIng Srrop J Hatrerl -j YoshokaJapan17ProprietorUrsa MalorYS6OSRYbnerMK1019 Tetso1lKyoto1 baresFF reoffler j GroupI Pcgnnj p EngIneerPatrca P GS6OPSROSmuffler 1 115-85MSODDlarnond OkonroroJapon104 Glob1CPurabaSaro iHatter phiba 1Futaba None YS6OSRMIni Von7- T Narokaj Japan.nsriernrareofflerMSMSContest GueterRinrelnEl Hoppe F R Goronany 21 j EngIneerSpeedWebrappeIrornannadeKORProfessnonalI -BennyTldabolnr4bolraCV1 WeonaWebroMIOVO ZlngerGold-1srar SwedenBiMeynanIcCanonejJI Kellgnen dDyneerinpIpe11-7neng KP-7ZII Monron I I [ Groupeer Robbe Greaan- p Grunalg Harold NocoanH Germany 16 MaCItOGSMaaFSRPennypIpe11-BdonnarVanloprop r--f ~aefikonSupanrlgneI ownTop Flee Graaan- Pro Lor GozenSannarSwltomnland ToolnraoeScorpIon II G6OBH ABCownpipe11-7%dannerComperlrlonII IInn7 DIeterI onsOnockWebne Webra Benno-ISmnproy PrIm-Aosrnle6 PnllOsOptrOn Cunane edWobraI pipe els idnl IContest Spec n1r-ni2 p BeolnoLooca- OPSGPSBnrtn- - p Bertoloel Irary9RalesaynranKosesO 3OPS p Spipe11-7%001JSlnrProPII GunrerF EoenrolEleotrical-WebraMIni voopGFKGold-Moropropi-I Mettertrausen erorarry 12Tennolnlan Sultan VSpendWnbnamuffler11-7bergProfasolonal t17-r1 Webre1 YanissafrimEleMinI VOo RobonRote HardekerEngland 16 En15mneper1 SpeedHPirioffler 11-BArrSkylooder WarrenGaxorlIe Get.I HPRote HIterrOnoCanada20Managerbatorn [ HPHP muffler11-7AirSnaG 1H RaqgenoPonrara- enligre ISuperSuper-Pibra PS PasaaoollerItaly1SAuto Dealer MarIaJ OBOSH ABC Itigretlgre 11-lid MBAkiline EarnSloten -PsycCOlOgIst-I rtigneownTop Pbs Gieaen-Pro Line t 2 jCounselorj Scorpron IIJ GBOBH ABC -ownpIpe 11-7% dannerCompetitIonII made impossible anyone catch acteristically low flight 7195 just him flyoffs Wolfgang Matt made flyoffs second highest score World Chain- After 4th round flyoff qualifiers pionships 8510 wrap up place 1 Prettner Austria25020 2 flyofis Rhett Miller put unchar- Brown US24090 3 Matt Liechten October1977 49 Partially collapsed nose gear caused fibreglass prop scuff runway Frances Pierre three top R/C Aerobatics fliers 1977 world L R Wolfgang Matt Dave Brown Blanquart managed take off anyway Hanno Prettneralso top three 75 different order placement Matt fly entire pattern overcomes bad flight resulting plug failure subsequent flights good Lost own thoughts Rhett Miller right Dick Penrod left mechanic Ron Chidgey wait Rhetts moment fly Rheft ex perienced equipment mishap first flight like Man under awesome pressure making good followed stein24065 4 Kristensen Canada 23830 5 RadcliffUS22970 6 Mil ler US22955 final team placings see Competi tion News complete results World Championships computed adding scores best 3 flights team member Several teams 2 members some 1 final top 3 team placings 1 US 70015 2 Japan67545 3 Germany 64130 Flyoff flyoff held front 10 judges flight circle front CD tent scores 10 judges added 50 Model Aviation Australian wheat farmer Tom Prosser shacked entire flight line booming voice Liechtenstein team always arrived night line witn teody oear mascot rreparing nis called out maneuvers blonde well-known Atlas flight Wolfgang Matt placed third world champ 1975 cockpit eye-catching hair-do Pondering problem David Hardaker Eng land facing camera right team mate Terry Cooper Whatever Dave managed 17th flight Mexicos Luis Casten ada would like have over engine flam ed out tried emergency landing spectacular result best 2 flyoff flights add ed qualifying flight scores Con sequently flyofi flight really worth 2 flights since qualifying scores based scores 5 judges basis competitors ap parently solid positions Prettner Kristensen Prettner led Brown Matt close 1000 points Kristensen ahead Radcliff Miller around 900 points Prior starting flyoff flights requested audience cheer applaud flier until flight com plete huge audience complied request manner wit nessed believed absolute silence spectators eerie sound engine flier calling maneuvers Fliers drew lots flying sequence round flyoff Surprisingly order flight changed very little 1 round next wind began pick up flyoff approached moderately strong directly crosswind time flyoff started Fliers put flights consistent average 3 qualifying flights no barnburners competitor have apparent difficulty Ivan Kris tensen experienced engine trouble 2nd flightit sounded like engine went lean Ivan forced land pre mid-wing aircraft flown Bengt Lundstrom Sweden deep fuselage extending along its length employed flaps October1977 51 Oblivious camera Mark Radcliff right carries animated conversation Bill Ney can read owninto Too bad cant show other photos AWHOLE NEW What does Radio Control Pattern World Championships have average RC sport flier casual contest flier Plenty proving ground advanced equipment being developed debugged de manding fliers world Perfection acceptable standard business fact what wins sells manufacturers doing utmost satisfy fliers turn gives excellent input what works stays working under battle conditions Note said stays working Hav ing set scene will give observations some technical ad vancements both World Championships Masters Tournament Engines tuned pipe has come age tremendous power increase avail able power increase has brought about lots new problems engines just arent staying together Crankshafts breaking Rods wearing out Bearings dont hold up rings crack problems being solved am sure manufacturers will have corrections made before ship ments made large quantities engines now production prototypes tuned pipe has made airplanes ugly ducklings will drive air craft design new directions Steve Helms design called Bootlegger using prototype OPS rear-exhaust ABC front carb pipe through canopy cleans up design makes very neat set-up feel engine near future will rear-exhaust rear-intake ABC engine new sliding-bar linear carburetor will run little no nitro 5% max rear intake will allow stronger crankshaft fuel tank thinner lower make clearance rear-mounted pipe Mixture control will must unless pump used pipe tuning present critical pipe must set engine rpm involves prop design size prop er rpm max power seems 14500 rpm range stay pipe given day prop must varied give tuned rpm Also glow-plug life has substantially reduced plugs can let down wrong time Wolfgang Matt blew plug Rolling-8 first flight put back wall unfailing performance rest meet flying excellent true best way win start top first flight stay maturely avoid damage engine Hanno Prettner last man fly 1977 World Championships final individual placings see Com petition News complete results 10th R/C Aerobatics World Champion ships 1 Hanno Prettner Austria 41395 2 Dave Brown US40255 3 Wolfgang Matt Liechtenstein40 195 4 Ivan Kristensen Canada3899O 5 Rhett Miller US38735 6 Mark Radcliff US38485 awards ceremonies held front pipes abounding manner installa tion prime topic conversation chris tian Bossard Frence hid completely lovely model foreground Only smell round hole marked its exit top fuselage 52 Model Aviation Radios Radios have reached new level performance Signature Custom beautiful Phoenix 6 Iver Husem Nor way very effective flaps/spoilers Canadas Ivan Kristensen suitcase held transmittersas did others BALLGAME Expert type radio now offered result years demand exact longer life system curse servo pot wear seems licked Pot life maybe 10 flights now 200 claim over 1000 no longer need three sets servos set airplane waiting go set being fixed technology has incorporated sporttype radios can thank fliers important advancement Dual-rate control throws aileron elevator seems standard practice some using dual rate rudder critical turn Figure M crosswind Prettner using eight channels rudder elevator ailerons engine mixture control spoilers coupled decoupled flaps Transmitter design has pretty much settled down open precision stick high quality pots ad justable rates throws Temperature voltage drift nil technology has used sport-type radiQs Again can thank compe tition fliers demanding advancement manufacturers respon ding Aircraft Design Design changes top competition come slowly surely Its little little Construction design changed lighter airframe seven eight channels tuned pipes etc FAt maximum weight restric tion rule has become real problem some competitors found ships over-weight What take out Plastic covering will used save weight general less everything will put hope does result structural failures dont need failures poten tial liabilities think coupled flaps elevators will increase espec ially rules begin add square- triangle-type looping maneuvers Pipes mufflers will designed basic airframe Condusion cant help wonder type competition headed re quires more work amount flying done very tough league break also expensive will need best engines radios designs fuel etc course practicelots almost seems major rule change might order will put less demand resources special equipment simple design flexibility originality maneuvers wonder what slow-rpm high-torque 90 120 engine 800-900 sq wing fixed-gear basic design looks like full-scale type stunt aircraft would Ed Keck CD tent midst hundreds happy competitors supporters sponsors officials spectators Suddenly over feeling air ended too soon because people milling about long after awards presented seemed unwill ing let go great aura associated World Championship job just begun Imagine trying report about events importance Team Finals World Cham pionships Dick McGraw took 1100 photographs captions prepared worthy publica tion contestant information sheets converted Team Finals/World Championship matrixes presented Special thanks due Sgt Bill Grigs Ft Walton Beach Police Dept spent hrs processing film 32 rolls Dick McGraw cover ing Team Finals himself World Championships competitors officials gracious ly put up questions picture taking lot work Id again tomorrow because part 1977 R/C Aerobatic World Championships October 1977 53 Europeans use transmitter trays just beginning accepted country 1973 world champion Tsugutaka Yoshioka always started engine airplane inverted just missed fly-offsplaced seventh Close-up Pressners Curare Prototype Springfield 77 shows its vertical whip antenna favored Europeans
Edition: Model Aviation - 1977/10
Page Numbers: 44, 45, 46, 47, 48, 49, 50, 51, 52, 53
THE 1977 individual R/C aerobatics world champion Hanno Prettner Aus tria US champion team among 61 fliers 24 teams respectively Six qualifiers survived four rounds competition met flyoffs determine individual placings Although informal test flying model processing entry FAT license registra tion scheduled during Wed June 29 1st formal procedures 1977 World Championships held Thurs June 30 Scheduled test flying con ducted accordance official schedule procedures would simu late actual competition 2 pm opening ceremony began com petition Team managers 24 countries raised respective flags short very impressive ceremony Official competition flying have started 830 am Fri July 1 just after dark fierce storm moved through Springfield area arrived contest site about 8 am greeted shambles main circus style tent supposed house competitors airplanes sorted equipment found tatters twisted wreck tables model boxes bottom Campers site AMA officials Civil Air Patrol work ers struggled late night pro tect competitors gear improvised coverings Consequently little damage models equipment large food tent also destroyed wind rain site such mess start competition delayed until 930 am took substantial effort bring off early midst chaos surprising able obtain erect substitute tents midafternoon tent area looked nothing ever happened sound planning management hard work contest manager John Spal ding contest director Tom Rankin really paid off As soon competition began contest organization functioned like tuned machine flight line arrangement quite different Team Finals 2 flight lines separated 2000 ft Bob Scott Charles Calvert line chief starter/timer team line Don Lindley Don Lowe holding respective jobs line 2 line 5 judges roll timer 5 flashers dicate judges scores spectators 1st Round Rhett Miller 1st competitor up line Midway through Double Tm melmann became obvious some ng wrong airplane re spring transmitter aileron gim hal broken leaving him no stick centering Rhett no alternative land airplane suffer 860 score flight Since scores best 3 4 flights used deter team championship com petitors go 2 rounds flyoffs Rhett difficult task facing him Only top 10% 6 fliers would make flyoffs relatively light crosswind breeze present start competi tion rapidly built up 15 20 mph winds direction contestants faces Everyone difficulty trying keep RCWorId After four days intense competition SpringfieldOhio Hanno Prettner em erged Aerobatic champion United States top ranking team Championships 44 Model Aviation flights out front judges stead right top Flight scores suffered severely few pilots could overcome handicap Notable ex ceptions Hanno Prettner Mark Radcliff outstanding flights such adverse conditions Wolfgang Matt 1975 world cham pion engine flameout midway through flight appeared would facing same difficult task Rhett Miller get flyoffs also make subsequent flight count As turned out severe crosswind actually helped Matt Miller because virtually other competitor lowest flight score during 1st round ended up throwing score away However no knew things would turn out way pressure really Matt Miller well remaining flights end 1st round top 6 fliers Prettner Austria75 10 2 Radcliff US7035 3 Neckar Ger many6970 4 Yoshioka Japan6855 5 Brown US6655 6 Bertolani Italy6580 2nd Round Sat July 2 2nd day competition clear skies light moderate quartering crosswinds contestants found much liking Fri Scores soared relative previous day Unfortunately also several instances severe interfer ence 27145 MHz some glitch- Unusual several respects Spitfire entered Tore Paulsen Norway sand-and es 72 MHz frequencies privi- spinach camouflaged scale-type model tail-dragger flown during competition As leged watch gorgeous flight Ivan another picture shows detail engine equipped intake muffler October 1977 45 Like contestants judges worlds best came various countries photo taken during actual flight holding aloft individual point cards Olympic-style scoring naturally quite popular watching competitors spectators Second-place winner Dave Brown wife Sally happily pose trusty red-and-white Phoenix 7 During 1 0-man fly-off crowd maintained silenceuntil flight com plete just sounds engine flier calling maneuvers Kristensen left spectators cheer ing applauding maneuver score 8195 highest competition until point Rhett Miller Wolfgang Matt both 7700 flight scores began move up stand ings top six after 2nd round 1 Prettner Austrial5580 2 Kristensen Canada14560 3 Brown US14535 4 Radcliff US14350 5 Neck ar Germany14160 6 Naruke Japan 14140 3rd Round Sun July 3 3rd day competition blessed clear skies light vari able winds winds light contestants taking off landing both directions International rules allow competitor take off land direction choice direction perform 1st airborne maneuver figure M So uncommon see competitor take off right left start figure M left right cer tainly kept judges toes light winds resulted generally higher scores competitors Hanno Prettner Dave Brown both 8 200 scores lead way Matt Miller continued bear up under pressure advanced 12th 31st place respectively Rhett would have much higher initial score 860 compared Matts 4570 held him back top 6 after 3rd round 1 46 Model Aviation United States team solidly consistent placing three members fly-offs L R Dick Penrod team manager Dave Brown Rhett Miller Mark Radcliff same team represented USA 1975 WC Don Lowe team manager year Under sunny skies Springrield waiting contestants models pits spectators occasional beach umbrella pleased eye color rainbow another part field some 24 national flags raised short impressive ceremony Checking controls photo Tetsugi Okumura Japan flying ship cheek cowls front end rather like Form 1 Prettner Austria23825 2 Brown US22755 3 Kristensen Canada 22555 4 Radcliff US 21905 5 Naruke Japan2 1740 6 Neckar Ger many2 1440 After formal flying over party fliers supporters officials main tent area Irish team broke out quarts Irish whiskey served Irish coffee comers Several American sponsors chipped buy beer soft drinks Several pleasant hours spent talking new friends over world 4th Round Mon July4 long day Since final round flying 2 rounds flyoffs awards ceremonies completed day flying started 730 am usual 1 hr lunch break canceled day much like Sat No will argue Hano Prettner worlds best An electrical engineer Austria flying famous Curare Distinctive severely anhedralled horizontal tail October 1977 47 Close-up nose ot [ore Paulsens Spitfire shows unique carburetor muffler Ron states worked very well Pipe underneath Things got hectic Englands Martin Mcintosh time discover aileron servo operated retracts vice versa misadventure would upset anybodys cool Large circus tent provided adequate cover plenty space work ing models wind storm blew everything down night before round Desperate effort during night got things order Italian models known beautiful color scheme finishes Benito Bertolani no 25 team mate wait fly 48 Model Aviation Waiting start Canadas Ivan Kristensen took fourth place Spectators applauded cheered gorgeous round two flight light moderate quartering cross wind sky partly cloudy enough small clouds provide nice background judging maneuvers Fliers responded good conditions generally higher flight scores Hanno Prettner startled everyone 8705 K&B showed prototype new 50 Static tests claim 16000 rpm wide-blade Zinger 11/7 prop engine develops 3 hp Flight-line taxi shortened 1000-foot trip main tent area couple stepsAustralias Brian Green about board WORLD CHAMPIONSHIPS IN ORDER OF FINISH TyisF I1 NateHOostownPsss OosaaptsonAlesesEtCosseosionSagesPsasapCeebMsstf IeProsasilseRssraatsRadroMod BoatBass Corn -II HannoKlogentunsElectrIcalfIberglassWebraPips/Coat Roll001 Mrs WebraownfiberglassSlmpropeleo PreasnerAosrrra8EngIneerCorarnfooerSpeedPerryOyrarrrlopipe1 iTSKGHIMK SSM Specanoallyes DoseCorcinnatChref EngineerfiberglassE 0I Ran-UpGold-I nOhroBWonro ErIgIflos Pfroans 7fosterOSBOPSIfParryPerrypIpeit /-7bangWord FoparnIInoallno WolfgangPurstonrornBans OfficofiberglassWebraWens Ibournbrepropeeo MontLlecfrtOnsterrr13ManagerAtlasfoaarSpoednoWolurapipe11 -7%RIGSSM Conrest I noall yes II loonGoelpfr Get.PorrIbItfiberglassWabra- WelnraMDRoarPro LonnOn KrlssensoeCansda11BuilderI SaturnboarSpeednoWebranruffler11-7AIrCoarp 7IIIroallyes *I- FI ROarTallabassaeStuannibalsaWebratWeoroWebraZingerSourfrKrafrI singleelco MillerFlorida8Ijlone UCompensatorfooteSpeednoDynantlopIpe11-7RC- SlgoaruneStIOkas MarkNearaportFord PantsIIlbonglassROSSI Ran-UpSooronieo RadoliffOfrroBManager Ptroenro 7foannRoss PerryPerryprpn11-75 RIG-go rid EoperrtrIos i no4allInol TsogotakaKOofrrRobIng Srrop J Hatrerl -j YoshokaJapan17ProprietorUrsa MalorYS6OSRYbnerMK1019 Tetso1lKyoto1 baresFF reoffler j GroupI Pcgnnj p EngIneerPatrca P GS6OPSROSmuffler 1 115-85MSODDlarnond OkonroroJapon104 Glob1CPurabaSaro iHatter phiba 1Futaba None YS6OSRMIni Von7- T Narokaj Japan.nsriernrareofflerMSMSContest GueterRinrelnEl Hoppe F R Goronany 21 j EngIneerSpeedWebrappeIrornannadeKORProfessnonalI -BennyTldabolnr4bolraCV1 WeonaWebroMIOVO ZlngerGold-1srar SwedenBiMeynanIcCanonejJI Kellgnen dDyneerinpIpe11-7neng KP-7ZII Monron I I [ Groupeer Robbe Greaan- p Grunalg Harold NocoanH Germany 16 MaCItOGSMaaFSRPennypIpe11-BdonnarVanloprop r--f ~aefikonSupanrlgneI ownTop Flee Graaan- Pro Lor GozenSannarSwltomnland ToolnraoeScorpIon II G6OBH ABCownpipe11-7%dannerComperlrlonII IInn7 DIeterI onsOnockWebne Webra Benno-ISmnproy PrIm-Aosrnle6 PnllOsOptrOn Cunane edWobraI pipe els idnl IContest Spec n1r-ni2 p BeolnoLooca- OPSGPSBnrtn- - p Bertoloel Irary9RalesaynranKosesO 3OPS p Spipe11-7%001JSlnrProPII GunrerF EoenrolEleotrical-WebraMIni voopGFKGold-Moropropi-I Mettertrausen erorarry 12Tennolnlan Sultan VSpendWnbnamuffler11-7bergProfasolonal t17-r1 Webre1 YanissafrimEleMinI VOo RobonRote HardekerEngland 16 En15mneper1 SpeedHPirioffler 11-BArrSkylooder WarrenGaxorlIe Get.I HPRote HIterrOnoCanada20Managerbatorn [ HPHP muffler11-7AirSnaG 1H RaqgenoPonrara- enligre ISuperSuper-Pibra PS PasaaoollerItaly1SAuto Dealer MarIaJ OBOSH ABC Itigretlgre 11-lid MBAkiline EarnSloten -PsycCOlOgIst-I rtigneownTop Pbs Gieaen-Pro Line t 2 jCounselorj Scorpron IIJ GBOBH ABC -ownpIpe 11-7% dannerCompetitIonII made impossible anyone catch acteristically low flight 7195 just him flyoffs Wolfgang Matt made flyoffs second highest score World Chain- After 4th round flyoff qualifiers pionships 8510 wrap up place 1 Prettner Austria25020 2 flyofis Rhett Miller put unchar- Brown US24090 3 Matt Liechten October1977 49 Partially collapsed nose gear caused fibreglass prop scuff runway Frances Pierre three top R/C Aerobatics fliers 1977 world L R Wolfgang Matt Dave Brown Blanquart managed take off anyway Hanno Prettneralso top three 75 different order placement Matt fly entire pattern overcomes bad flight resulting plug failure subsequent flights good Lost own thoughts Rhett Miller right Dick Penrod left mechanic Ron Chidgey wait Rhetts moment fly Rheft ex perienced equipment mishap first flight like Man under awesome pressure making good followed stein24065 4 Kristensen Canada 23830 5 RadcliffUS22970 6 Mil ler US22955 final team placings see Competi tion News complete results World Championships computed adding scores best 3 flights team member Several teams 2 members some 1 final top 3 team placings 1 US 70015 2 Japan67545 3 Germany 64130 Flyoff flyoff held front 10 judges flight circle front CD tent scores 10 judges added 50 Model Aviation Australian wheat farmer Tom Prosser shacked entire flight line booming voice Liechtenstein team always arrived night line witn teody oear mascot rreparing nis called out maneuvers blonde well-known Atlas flight Wolfgang Matt placed third world champ 1975 cockpit eye-catching hair-do Pondering problem David Hardaker Eng land facing camera right team mate Terry Cooper Whatever Dave managed 17th flight Mexicos Luis Casten ada would like have over engine flam ed out tried emergency landing spectacular result best 2 flyoff flights add ed qualifying flight scores Con sequently flyofi flight really worth 2 flights since qualifying scores based scores 5 judges basis competitors ap parently solid positions Prettner Kristensen Prettner led Brown Matt close 1000 points Kristensen ahead Radcliff Miller around 900 points Prior starting flyoff flights requested audience cheer applaud flier until flight com plete huge audience complied request manner wit nessed believed absolute silence spectators eerie sound engine flier calling maneuvers Fliers drew lots flying sequence round flyoff Surprisingly order flight changed very little 1 round next wind began pick up flyoff approached moderately strong directly crosswind time flyoff started Fliers put flights consistent average 3 qualifying flights no barnburners competitor have apparent difficulty Ivan Kris tensen experienced engine trouble 2nd flightit sounded like engine went lean Ivan forced land pre mid-wing aircraft flown Bengt Lundstrom Sweden deep fuselage extending along its length employed flaps October1977 51 Oblivious camera Mark Radcliff right carries animated conversation Bill Ney can read owninto Too bad cant show other photos AWHOLE NEW What does Radio Control Pattern World Championships have average RC sport flier casual contest flier Plenty proving ground advanced equipment being developed debugged de manding fliers world Perfection acceptable standard business fact what wins sells manufacturers doing utmost satisfy fliers turn gives excellent input what works stays working under battle conditions Note said stays working Hav ing set scene will give observations some technical ad vancements both World Championships Masters Tournament Engines tuned pipe has come age tremendous power increase avail able power increase has brought about lots new problems engines just arent staying together Crankshafts breaking Rods wearing out Bearings dont hold up rings crack problems being solved am sure manufacturers will have corrections made before ship ments made large quantities engines now production prototypes tuned pipe has made airplanes ugly ducklings will drive air craft design new directions Steve Helms design called Bootlegger using prototype OPS rear-exhaust ABC front carb pipe through canopy cleans up design makes very neat set-up feel engine near future will rear-exhaust rear-intake ABC engine new sliding-bar linear carburetor will run little no nitro 5% max rear intake will allow stronger crankshaft fuel tank thinner lower make clearance rear-mounted pipe Mixture control will must unless pump used pipe tuning present critical pipe must set engine rpm involves prop design size prop er rpm max power seems 14500 rpm range stay pipe given day prop must varied give tuned rpm Also glow-plug life has substantially reduced plugs can let down wrong time Wolfgang Matt blew plug Rolling-8 first flight put back wall unfailing performance rest meet flying excellent true best way win start top first flight stay maturely avoid damage engine Hanno Prettner last man fly 1977 World Championships final individual placings see Com petition News complete results 10th R/C Aerobatics World Champion ships 1 Hanno Prettner Austria 41395 2 Dave Brown US40255 3 Wolfgang Matt Liechtenstein40 195 4 Ivan Kristensen Canada3899O 5 Rhett Miller US38735 6 Mark Radcliff US38485 awards ceremonies held front pipes abounding manner installa tion prime topic conversation chris tian Bossard Frence hid completely lovely model foreground Only smell round hole marked its exit top fuselage 52 Model Aviation Radios Radios have reached new level performance Signature Custom beautiful Phoenix 6 Iver Husem Nor way very effective flaps/spoilers Canadas Ivan Kristensen suitcase held transmittersas did others BALLGAME Expert type radio now offered result years demand exact longer life system curse servo pot wear seems licked Pot life maybe 10 flights now 200 claim over 1000 no longer need three sets servos set airplane waiting go set being fixed technology has incorporated sporttype radios can thank fliers important advancement Dual-rate control throws aileron elevator seems standard practice some using dual rate rudder critical turn Figure M crosswind Prettner using eight channels rudder elevator ailerons engine mixture control spoilers coupled decoupled flaps Transmitter design has pretty much settled down open precision stick high quality pots ad justable rates throws Temperature voltage drift nil technology has used sport-type radiQs Again can thank compe tition fliers demanding advancement manufacturers respon ding Aircraft Design Design changes top competition come slowly surely Its little little Construction design changed lighter airframe seven eight channels tuned pipes etc FAt maximum weight restric tion rule has become real problem some competitors found ships over-weight What take out Plastic covering will used save weight general less everything will put hope does result structural failures dont need failures poten tial liabilities think coupled flaps elevators will increase espec ially rules begin add square- triangle-type looping maneuvers Pipes mufflers will designed basic airframe Condusion cant help wonder type competition headed re quires more work amount flying done very tough league break also expensive will need best engines radios designs fuel etc course practicelots almost seems major rule change might order will put less demand resources special equipment simple design flexibility originality maneuvers wonder what slow-rpm high-torque 90 120 engine 800-900 sq wing fixed-gear basic design looks like full-scale type stunt aircraft would Ed Keck CD tent midst hundreds happy competitors supporters sponsors officials spectators Suddenly over feeling air ended too soon because people milling about long after awards presented seemed unwill ing let go great aura associated World Championship job just begun Imagine trying report about events importance Team Finals World Cham pionships Dick McGraw took 1100 photographs captions prepared worthy publica tion contestant information sheets converted Team Finals/World Championship matrixes presented Special thanks due Sgt Bill Grigs Ft Walton Beach Police Dept spent hrs processing film 32 rolls Dick McGraw cover ing Team Finals himself World Championships competitors officials gracious ly put up questions picture taking lot work Id again tomorrow because part 1977 R/C Aerobatic World Championships October 1977 53 Europeans use transmitter trays just beginning accepted country 1973 world champion Tsugutaka Yoshioka always started engine airplane inverted just missed fly-offsplaced seventh Close-up Pressners Curare Prototype Springfield 77 shows its vertical whip antenna favored Europeans
Edition: Model Aviation - 1977/10
Page Numbers: 44, 45, 46, 47, 48, 49, 50, 51, 52, 53
THE 1977 individual R/C aerobatics world champion Hanno Prettner Aus tria US champion team among 61 fliers 24 teams respectively Six qualifiers survived four rounds competition met flyoffs determine individual placings Although informal test flying model processing entry FAT license registra tion scheduled during Wed June 29 1st formal procedures 1977 World Championships held Thurs June 30 Scheduled test flying con ducted accordance official schedule procedures would simu late actual competition 2 pm opening ceremony began com petition Team managers 24 countries raised respective flags short very impressive ceremony Official competition flying have started 830 am Fri July 1 just after dark fierce storm moved through Springfield area arrived contest site about 8 am greeted shambles main circus style tent supposed house competitors airplanes sorted equipment found tatters twisted wreck tables model boxes bottom Campers site AMA officials Civil Air Patrol work ers struggled late night pro tect competitors gear improvised coverings Consequently little damage models equipment large food tent also destroyed wind rain site such mess start competition delayed until 930 am took substantial effort bring off early midst chaos surprising able obtain erect substitute tents midafternoon tent area looked nothing ever happened sound planning management hard work contest manager John Spal ding contest director Tom Rankin really paid off As soon competition began contest organization functioned like tuned machine flight line arrangement quite different Team Finals 2 flight lines separated 2000 ft Bob Scott Charles Calvert line chief starter/timer team line Don Lindley Don Lowe holding respective jobs line 2 line 5 judges roll timer 5 flashers dicate judges scores spectators 1st Round Rhett Miller 1st competitor up line Midway through Double Tm melmann became obvious some ng wrong airplane re spring transmitter aileron gim hal broken leaving him no stick centering Rhett no alternative land airplane suffer 860 score flight Since scores best 3 4 flights used deter team championship com petitors go 2 rounds flyoffs Rhett difficult task facing him Only top 10% 6 fliers would make flyoffs relatively light crosswind breeze present start competi tion rapidly built up 15 20 mph winds direction contestants faces Everyone difficulty trying keep RCWorId After four days intense competition SpringfieldOhio Hanno Prettner em erged Aerobatic champion United States top ranking team Championships 44 Model Aviation flights out front judges stead right top Flight scores suffered severely few pilots could overcome handicap Notable ex ceptions Hanno Prettner Mark Radcliff outstanding flights such adverse conditions Wolfgang Matt 1975 world cham pion engine flameout midway through flight appeared would facing same difficult task Rhett Miller get flyoffs also make subsequent flight count As turned out severe crosswind actually helped Matt Miller because virtually other competitor lowest flight score during 1st round ended up throwing score away However no knew things would turn out way pressure really Matt Miller well remaining flights end 1st round top 6 fliers Prettner Austria75 10 2 Radcliff US7035 3 Neckar Ger many6970 4 Yoshioka Japan6855 5 Brown US6655 6 Bertolani Italy6580 2nd Round Sat July 2 2nd day competition clear skies light moderate quartering crosswinds contestants found much liking Fri Scores soared relative previous day Unfortunately also several instances severe interfer ence 27145 MHz some glitch- Unusual several respects Spitfire entered Tore Paulsen Norway sand-and es 72 MHz frequencies privi- spinach camouflaged scale-type model tail-dragger flown during competition As leged watch gorgeous flight Ivan another picture shows detail engine equipped intake muffler October 1977 45 Like contestants judges worlds best came various countries photo taken during actual flight holding aloft individual point cards Olympic-style scoring naturally quite popular watching competitors spectators Second-place winner Dave Brown wife Sally happily pose trusty red-and-white Phoenix 7 During 1 0-man fly-off crowd maintained silenceuntil flight com plete just sounds engine flier calling maneuvers Kristensen left spectators cheer ing applauding maneuver score 8195 highest competition until point Rhett Miller Wolfgang Matt both 7700 flight scores began move up stand ings top six after 2nd round 1 Prettner Austrial5580 2 Kristensen Canada14560 3 Brown US14535 4 Radcliff US14350 5 Neck ar Germany14160 6 Naruke Japan 14140 3rd Round Sun July 3 3rd day competition blessed clear skies light vari able winds winds light contestants taking off landing both directions International rules allow competitor take off land direction choice direction perform 1st airborne maneuver figure M So uncommon see competitor take off right left start figure M left right cer tainly kept judges toes light winds resulted generally higher scores competitors Hanno Prettner Dave Brown both 8 200 scores lead way Matt Miller continued bear up under pressure advanced 12th 31st place respectively Rhett would have much higher initial score 860 compared Matts 4570 held him back top 6 after 3rd round 1 46 Model Aviation United States team solidly consistent placing three members fly-offs L R Dick Penrod team manager Dave Brown Rhett Miller Mark Radcliff same team represented USA 1975 WC Don Lowe team manager year Under sunny skies Springrield waiting contestants models pits spectators occasional beach umbrella pleased eye color rainbow another part field some 24 national flags raised short impressive ceremony Checking controls photo Tetsugi Okumura Japan flying ship cheek cowls front end rather like Form 1 Prettner Austria23825 2 Brown US22755 3 Kristensen Canada 22555 4 Radcliff US 21905 5 Naruke Japan2 1740 6 Neckar Ger many2 1440 After formal flying over party fliers supporters officials main tent area Irish team broke out quarts Irish whiskey served Irish coffee comers Several American sponsors chipped buy beer soft drinks Several pleasant hours spent talking new friends over world 4th Round Mon July4 long day Since final round flying 2 rounds flyoffs awards ceremonies completed day flying started 730 am usual 1 hr lunch break canceled day much like Sat No will argue Hano Prettner worlds best An electrical engineer Austria flying famous Curare Distinctive severely anhedralled horizontal tail October 1977 47 Close-up nose ot [ore Paulsens Spitfire shows unique carburetor muffler Ron states worked very well Pipe underneath Things got hectic Englands Martin Mcintosh time discover aileron servo operated retracts vice versa misadventure would upset anybodys cool Large circus tent provided adequate cover plenty space work ing models wind storm blew everything down night before round Desperate effort during night got things order Italian models known beautiful color scheme finishes Benito Bertolani no 25 team mate wait fly 48 Model Aviation Waiting start Canadas Ivan Kristensen took fourth place Spectators applauded cheered gorgeous round two flight light moderate quartering cross wind sky partly cloudy enough small clouds provide nice background judging maneuvers Fliers responded good conditions generally higher flight scores Hanno Prettner startled everyone 8705 K&B showed prototype new 50 Static tests claim 16000 rpm wide-blade Zinger 11/7 prop engine develops 3 hp Flight-line taxi shortened 1000-foot trip main tent area couple stepsAustralias Brian Green about board WORLD CHAMPIONSHIPS IN ORDER OF FINISH TyisF I1 NateHOostownPsss OosaaptsonAlesesEtCosseosionSagesPsasapCeebMsstf IeProsasilseRssraatsRadroMod BoatBass Corn -II HannoKlogentunsElectrIcalfIberglassWebraPips/Coat Roll001 Mrs WebraownfiberglassSlmpropeleo PreasnerAosrrra8EngIneerCorarnfooerSpeedPerryOyrarrrlopipe1 iTSKGHIMK SSM Specanoallyes DoseCorcinnatChref EngineerfiberglassE 0I Ran-UpGold-I nOhroBWonro ErIgIflos Pfroans 7fosterOSBOPSIfParryPerrypIpeit /-7bangWord FoparnIInoallno WolfgangPurstonrornBans OfficofiberglassWebraWens Ibournbrepropeeo MontLlecfrtOnsterrr13ManagerAtlasfoaarSpoednoWolurapipe11 -7%RIGSSM Conrest I noall yes II loonGoelpfr Get.PorrIbItfiberglassWabra- WelnraMDRoarPro LonnOn KrlssensoeCansda11BuilderI SaturnboarSpeednoWebranruffler11-7AIrCoarp 7IIIroallyes *I- FI ROarTallabassaeStuannibalsaWebratWeoroWebraZingerSourfrKrafrI singleelco MillerFlorida8Ijlone UCompensatorfooteSpeednoDynantlopIpe11-7RC- SlgoaruneStIOkas MarkNearaportFord PantsIIlbonglassROSSI Ran-UpSooronieo RadoliffOfrroBManager Ptroenro 7foannRoss PerryPerryprpn11-75 RIG-go rid EoperrtrIos i no4allInol TsogotakaKOofrrRobIng Srrop J Hatrerl -j YoshokaJapan17ProprietorUrsa MalorYS6OSRYbnerMK1019 Tetso1lKyoto1 baresFF reoffler j GroupI Pcgnnj p EngIneerPatrca P GS6OPSROSmuffler 1 115-85MSODDlarnond OkonroroJapon104 Glob1CPurabaSaro iHatter phiba 1Futaba None YS6OSRMIni Von7- T Narokaj Japan.nsriernrareofflerMSMSContest GueterRinrelnEl Hoppe F R Goronany 21 j EngIneerSpeedWebrappeIrornannadeKORProfessnonalI -BennyTldabolnr4bolraCV1 WeonaWebroMIOVO ZlngerGold-1srar SwedenBiMeynanIcCanonejJI Kellgnen dDyneerinpIpe11-7neng KP-7ZII Monron I I [ Groupeer Robbe Greaan- p Grunalg Harold NocoanH Germany 16 MaCItOGSMaaFSRPennypIpe11-BdonnarVanloprop r--f ~aefikonSupanrlgneI ownTop Flee Graaan- Pro Lor GozenSannarSwltomnland ToolnraoeScorpIon II G6OBH ABCownpipe11-7%dannerComperlrlonII IInn7 DIeterI onsOnockWebne Webra Benno-ISmnproy PrIm-Aosrnle6 PnllOsOptrOn Cunane edWobraI pipe els idnl IContest Spec n1r-ni2 p BeolnoLooca- OPSGPSBnrtn- - p Bertoloel Irary9RalesaynranKosesO 3OPS p Spipe11-7%001JSlnrProPII GunrerF EoenrolEleotrical-WebraMIni voopGFKGold-Moropropi-I Mettertrausen erorarry 12Tennolnlan Sultan VSpendWnbnamuffler11-7bergProfasolonal t17-r1 Webre1 YanissafrimEleMinI VOo RobonRote HardekerEngland 16 En15mneper1 SpeedHPirioffler 11-BArrSkylooder WarrenGaxorlIe Get.I HPRote HIterrOnoCanada20Managerbatorn [ HPHP muffler11-7AirSnaG 1H RaqgenoPonrara- enligre ISuperSuper-Pibra PS PasaaoollerItaly1SAuto Dealer MarIaJ OBOSH ABC Itigretlgre 11-lid MBAkiline EarnSloten -PsycCOlOgIst-I rtigneownTop Pbs Gieaen-Pro Line t 2 jCounselorj Scorpron IIJ GBOBH ABC -ownpIpe 11-7% dannerCompetitIonII made impossible anyone catch acteristically low flight 7195 just him flyoffs Wolfgang Matt made flyoffs second highest score World Chain- After 4th round flyoff qualifiers pionships 8510 wrap up place 1 Prettner Austria25020 2 flyofis Rhett Miller put unchar- Brown US24090 3 Matt Liechten October1977 49 Partially collapsed nose gear caused fibreglass prop scuff runway Frances Pierre three top R/C Aerobatics fliers 1977 world L R Wolfgang Matt Dave Brown Blanquart managed take off anyway Hanno Prettneralso top three 75 different order placement Matt fly entire pattern overcomes bad flight resulting plug failure subsequent flights good Lost own thoughts Rhett Miller right Dick Penrod left mechanic Ron Chidgey wait Rhetts moment fly Rheft ex perienced equipment mishap first flight like Man under awesome pressure making good followed stein24065 4 Kristensen Canada 23830 5 RadcliffUS22970 6 Mil ler US22955 final team placings see Competi tion News complete results World Championships computed adding scores best 3 flights team member Several teams 2 members some 1 final top 3 team placings 1 US 70015 2 Japan67545 3 Germany 64130 Flyoff flyoff held front 10 judges flight circle front CD tent scores 10 judges added 50 Model Aviation Australian wheat farmer Tom Prosser shacked entire flight line booming voice Liechtenstein team always arrived night line witn teody oear mascot rreparing nis called out maneuvers blonde well-known Atlas flight Wolfgang Matt placed third world champ 1975 cockpit eye-catching hair-do Pondering problem David Hardaker Eng land facing camera right team mate Terry Cooper Whatever Dave managed 17th flight Mexicos Luis Casten ada would like have over engine flam ed out tried emergency landing spectacular result best 2 flyoff flights add ed qualifying flight scores Con sequently flyofi flight really worth 2 flights since qualifying scores based scores 5 judges basis competitors ap parently solid positions Prettner Kristensen Prettner led Brown Matt close 1000 points Kristensen ahead Radcliff Miller around 900 points Prior starting flyoff flights requested audience cheer applaud flier until flight com plete huge audience complied request manner wit nessed believed absolute silence spectators eerie sound engine flier calling maneuvers Fliers drew lots flying sequence round flyoff Surprisingly order flight changed very little 1 round next wind began pick up flyoff approached moderately strong directly crosswind time flyoff started Fliers put flights consistent average 3 qualifying flights no barnburners competitor have apparent difficulty Ivan Kris tensen experienced engine trouble 2nd flightit sounded like engine went lean Ivan forced land pre mid-wing aircraft flown Bengt Lundstrom Sweden deep fuselage extending along its length employed flaps October1977 51 Oblivious camera Mark Radcliff right carries animated conversation Bill Ney can read owninto Too bad cant show other photos AWHOLE NEW What does Radio Control Pattern World Championships have average RC sport flier casual contest flier Plenty proving ground advanced equipment being developed debugged de manding fliers world Perfection acceptable standard business fact what wins sells manufacturers doing utmost satisfy fliers turn gives excellent input what works stays working under battle conditions Note said stays working Hav ing set scene will give observations some technical ad vancements both World Championships Masters Tournament Engines tuned pipe has come age tremendous power increase avail able power increase has brought about lots new problems engines just arent staying together Crankshafts breaking Rods wearing out Bearings dont hold up rings crack problems being solved am sure manufacturers will have corrections made before ship ments made large quantities engines now production prototypes tuned pipe has made airplanes ugly ducklings will drive air craft design new directions Steve Helms design called Bootlegger using prototype OPS rear-exhaust ABC front carb pipe through canopy cleans up design makes very neat set-up feel engine near future will rear-exhaust rear-intake ABC engine new sliding-bar linear carburetor will run little no nitro 5% max rear intake will allow stronger crankshaft fuel tank thinner lower make clearance rear-mounted pipe Mixture control will must unless pump used pipe tuning present critical pipe must set engine rpm involves prop design size prop er rpm max power seems 14500 rpm range stay pipe given day prop must varied give tuned rpm Also glow-plug life has substantially reduced plugs can let down wrong time Wolfgang Matt blew plug Rolling-8 first flight put back wall unfailing performance rest meet flying excellent true best way win start top first flight stay maturely avoid damage engine Hanno Prettner last man fly 1977 World Championships final individual placings see Com petition News complete results 10th R/C Aerobatics World Champion ships 1 Hanno Prettner Austria 41395 2 Dave Brown US40255 3 Wolfgang Matt Liechtenstein40 195 4 Ivan Kristensen Canada3899O 5 Rhett Miller US38735 6 Mark Radcliff US38485 awards ceremonies held front pipes abounding manner installa tion prime topic conversation chris tian Bossard Frence hid completely lovely model foreground Only smell round hole marked its exit top fuselage 52 Model Aviation Radios Radios have reached new level performance Signature Custom beautiful Phoenix 6 Iver Husem Nor way very effective flaps/spoilers Canadas Ivan Kristensen suitcase held transmittersas did others BALLGAME Expert type radio now offered result years demand exact longer life system curse servo pot wear seems licked Pot life maybe 10 flights now 200 claim over 1000 no longer need three sets servos set airplane waiting go set being fixed technology has incorporated sporttype radios can thank fliers important advancement Dual-rate control throws aileron elevator seems standard practice some using dual rate rudder critical turn Figure M crosswind Prettner using eight channels rudder elevator ailerons engine mixture control spoilers coupled decoupled flaps Transmitter design has pretty much settled down open precision stick high quality pots ad justable rates throws Temperature voltage drift nil technology has used sport-type radiQs Again can thank compe tition fliers demanding advancement manufacturers respon ding Aircraft Design Design changes top competition come slowly surely Its little little Construction design changed lighter airframe seven eight channels tuned pipes etc FAt maximum weight restric tion rule has become real problem some competitors found ships over-weight What take out Plastic covering will used save weight general less everything will put hope does result structural failures dont need failures poten tial liabilities think coupled flaps elevators will increase espec ially rules begin add square- triangle-type looping maneuvers Pipes mufflers will designed basic airframe Condusion cant help wonder type competition headed re quires more work amount flying done very tough league break also expensive will need best engines radios designs fuel etc course practicelots almost seems major rule change might order will put less demand resources special equipment simple design flexibility originality maneuvers wonder what slow-rpm high-torque 90 120 engine 800-900 sq wing fixed-gear basic design looks like full-scale type stunt aircraft would Ed Keck CD tent midst hundreds happy competitors supporters sponsors officials spectators Suddenly over feeling air ended too soon because people milling about long after awards presented seemed unwill ing let go great aura associated World Championship job just begun Imagine trying report about events importance Team Finals World Cham pionships Dick McGraw took 1100 photographs captions prepared worthy publica tion contestant information sheets converted Team Finals/World Championship matrixes presented Special thanks due Sgt Bill Grigs Ft Walton Beach Police Dept spent hrs processing film 32 rolls Dick McGraw cover ing Team Finals himself World Championships competitors officials gracious ly put up questions picture taking lot work Id again tomorrow because part 1977 R/C Aerobatic World Championships October 1977 53 Europeans use transmitter trays just beginning accepted country 1973 world champion Tsugutaka Yoshioka always started engine airplane inverted just missed fly-offsplaced seventh Close-up Pressners Curare Prototype Springfield 77 shows its vertical whip antenna favored Europeans
Edition: Model Aviation - 1977/10
Page Numbers: 44, 45, 46, 47, 48, 49, 50, 51, 52, 53
THE 1977 individual R/C aerobatics world champion Hanno Prettner Aus tria US champion team among 61 fliers 24 teams respectively Six qualifiers survived four rounds competition met flyoffs determine individual placings Although informal test flying model processing entry FAT license registra tion scheduled during Wed June 29 1st formal procedures 1977 World Championships held Thurs June 30 Scheduled test flying con ducted accordance official schedule procedures would simu late actual competition 2 pm opening ceremony began com petition Team managers 24 countries raised respective flags short very impressive ceremony Official competition flying have started 830 am Fri July 1 just after dark fierce storm moved through Springfield area arrived contest site about 8 am greeted shambles main circus style tent supposed house competitors airplanes sorted equipment found tatters twisted wreck tables model boxes bottom Campers site AMA officials Civil Air Patrol work ers struggled late night pro tect competitors gear improvised coverings Consequently little damage models equipment large food tent also destroyed wind rain site such mess start competition delayed until 930 am took substantial effort bring off early midst chaos surprising able obtain erect substitute tents midafternoon tent area looked nothing ever happened sound planning management hard work contest manager John Spal ding contest director Tom Rankin really paid off As soon competition began contest organization functioned like tuned machine flight line arrangement quite different Team Finals 2 flight lines separated 2000 ft Bob Scott Charles Calvert line chief starter/timer team line Don Lindley Don Lowe holding respective jobs line 2 line 5 judges roll timer 5 flashers dicate judges scores spectators 1st Round Rhett Miller 1st competitor up line Midway through Double Tm melmann became obvious some ng wrong airplane re spring transmitter aileron gim hal broken leaving him no stick centering Rhett no alternative land airplane suffer 860 score flight Since scores best 3 4 flights used deter team championship com petitors go 2 rounds flyoffs Rhett difficult task facing him Only top 10% 6 fliers would make flyoffs relatively light crosswind breeze present start competi tion rapidly built up 15 20 mph winds direction contestants faces Everyone difficulty trying keep RCWorId After four days intense competition SpringfieldOhio Hanno Prettner em erged Aerobatic champion United States top ranking team Championships 44 Model Aviation flights out front judges stead right top Flight scores suffered severely few pilots could overcome handicap Notable ex ceptions Hanno Prettner Mark Radcliff outstanding flights such adverse conditions Wolfgang Matt 1975 world cham pion engine flameout midway through flight appeared would facing same difficult task Rhett Miller get flyoffs also make subsequent flight count As turned out severe crosswind actually helped Matt Miller because virtually other competitor lowest flight score during 1st round ended up throwing score away However no knew things would turn out way pressure really Matt Miller well remaining flights end 1st round top 6 fliers Prettner Austria75 10 2 Radcliff US7035 3 Neckar Ger many6970 4 Yoshioka Japan6855 5 Brown US6655 6 Bertolani Italy6580 2nd Round Sat July 2 2nd day competition clear skies light moderate quartering crosswinds contestants found much liking Fri Scores soared relative previous day Unfortunately also several instances severe interfer ence 27145 MHz some glitch- Unusual several respects Spitfire entered Tore Paulsen Norway sand-and es 72 MHz frequencies privi- spinach camouflaged scale-type model tail-dragger flown during competition As leged watch gorgeous flight Ivan another picture shows detail engine equipped intake muffler October 1977 45 Like contestants judges worlds best came various countries photo taken during actual flight holding aloft individual point cards Olympic-style scoring naturally quite popular watching competitors spectators Second-place winner Dave Brown wife Sally happily pose trusty red-and-white Phoenix 7 During 1 0-man fly-off crowd maintained silenceuntil flight com plete just sounds engine flier calling maneuvers Kristensen left spectators cheer ing applauding maneuver score 8195 highest competition until point Rhett Miller Wolfgang Matt both 7700 flight scores began move up stand ings top six after 2nd round 1 Prettner Austrial5580 2 Kristensen Canada14560 3 Brown US14535 4 Radcliff US14350 5 Neck ar Germany14160 6 Naruke Japan 14140 3rd Round Sun July 3 3rd day competition blessed clear skies light vari able winds winds light contestants taking off landing both directions International rules allow competitor take off land direction choice direction perform 1st airborne maneuver figure M So uncommon see competitor take off right left start figure M left right cer tainly kept judges toes light winds resulted generally higher scores competitors Hanno Prettner Dave Brown both 8 200 scores lead way Matt Miller continued bear up under pressure advanced 12th 31st place respectively Rhett would have much higher initial score 860 compared Matts 4570 held him back top 6 after 3rd round 1 46 Model Aviation United States team solidly consistent placing three members fly-offs L R Dick Penrod team manager Dave Brown Rhett Miller Mark Radcliff same team represented USA 1975 WC Don Lowe team manager year Under sunny skies Springrield waiting contestants models pits spectators occasional beach umbrella pleased eye color rainbow another part field some 24 national flags raised short impressive ceremony Checking controls photo Tetsugi Okumura Japan flying ship cheek cowls front end rather like Form 1 Prettner Austria23825 2 Brown US22755 3 Kristensen Canada 22555 4 Radcliff US 21905 5 Naruke Japan2 1740 6 Neckar Ger many2 1440 After formal flying over party fliers supporters officials main tent area Irish team broke out quarts Irish whiskey served Irish coffee comers Several American sponsors chipped buy beer soft drinks Several pleasant hours spent talking new friends over world 4th Round Mon July4 long day Since final round flying 2 rounds flyoffs awards ceremonies completed day flying started 730 am usual 1 hr lunch break canceled day much like Sat No will argue Hano Prettner worlds best An electrical engineer Austria flying famous Curare Distinctive severely anhedralled horizontal tail October 1977 47 Close-up nose ot [ore Paulsens Spitfire shows unique carburetor muffler Ron states worked very well Pipe underneath Things got hectic Englands Martin Mcintosh time discover aileron servo operated retracts vice versa misadventure would upset anybodys cool Large circus tent provided adequate cover plenty space work ing models wind storm blew everything down night before round Desperate effort during night got things order Italian models known beautiful color scheme finishes Benito Bertolani no 25 team mate wait fly 48 Model Aviation Waiting start Canadas Ivan Kristensen took fourth place Spectators applauded cheered gorgeous round two flight light moderate quartering cross wind sky partly cloudy enough small clouds provide nice background judging maneuvers Fliers responded good conditions generally higher flight scores Hanno Prettner startled everyone 8705 K&B showed prototype new 50 Static tests claim 16000 rpm wide-blade Zinger 11/7 prop engine develops 3 hp Flight-line taxi shortened 1000-foot trip main tent area couple stepsAustralias Brian Green about board WORLD CHAMPIONSHIPS IN ORDER OF FINISH TyisF I1 NateHOostownPsss OosaaptsonAlesesEtCosseosionSagesPsasapCeebMsstf IeProsasilseRssraatsRadroMod BoatBass Corn -II HannoKlogentunsElectrIcalfIberglassWebraPips/Coat Roll001 Mrs WebraownfiberglassSlmpropeleo PreasnerAosrrra8EngIneerCorarnfooerSpeedPerryOyrarrrlopipe1 iTSKGHIMK SSM Specanoallyes DoseCorcinnatChref EngineerfiberglassE 0I Ran-UpGold-I nOhroBWonro ErIgIflos Pfroans 7fosterOSBOPSIfParryPerrypIpeit /-7bangWord FoparnIInoallno WolfgangPurstonrornBans OfficofiberglassWebraWens Ibournbrepropeeo MontLlecfrtOnsterrr13ManagerAtlasfoaarSpoednoWolurapipe11 -7%RIGSSM Conrest I noall yes II loonGoelpfr Get.PorrIbItfiberglassWabra- WelnraMDRoarPro LonnOn KrlssensoeCansda11BuilderI SaturnboarSpeednoWebranruffler11-7AIrCoarp 7IIIroallyes *I- FI ROarTallabassaeStuannibalsaWebratWeoroWebraZingerSourfrKrafrI singleelco MillerFlorida8Ijlone UCompensatorfooteSpeednoDynantlopIpe11-7RC- SlgoaruneStIOkas MarkNearaportFord PantsIIlbonglassROSSI Ran-UpSooronieo RadoliffOfrroBManager Ptroenro 7foannRoss PerryPerryprpn11-75 RIG-go rid EoperrtrIos i no4allInol TsogotakaKOofrrRobIng Srrop J Hatrerl -j YoshokaJapan17ProprietorUrsa MalorYS6OSRYbnerMK1019 Tetso1lKyoto1 baresFF reoffler j GroupI Pcgnnj p EngIneerPatrca P GS6OPSROSmuffler 1 115-85MSODDlarnond OkonroroJapon104 Glob1CPurabaSaro iHatter phiba 1Futaba None YS6OSRMIni Von7- T Narokaj Japan.nsriernrareofflerMSMSContest GueterRinrelnEl Hoppe F R Goronany 21 j EngIneerSpeedWebrappeIrornannadeKORProfessnonalI -BennyTldabolnr4bolraCV1 WeonaWebroMIOVO ZlngerGold-1srar SwedenBiMeynanIcCanonejJI Kellgnen dDyneerinpIpe11-7neng KP-7ZII Monron I I [ Groupeer Robbe Greaan- p Grunalg Harold NocoanH Germany 16 MaCItOGSMaaFSRPennypIpe11-BdonnarVanloprop r--f ~aefikonSupanrlgneI ownTop Flee Graaan- Pro Lor GozenSannarSwltomnland ToolnraoeScorpIon II G6OBH ABCownpipe11-7%dannerComperlrlonII IInn7 DIeterI onsOnockWebne Webra Benno-ISmnproy PrIm-Aosrnle6 PnllOsOptrOn Cunane edWobraI pipe els idnl IContest Spec n1r-ni2 p BeolnoLooca- OPSGPSBnrtn- - p Bertoloel Irary9RalesaynranKosesO 3OPS p Spipe11-7%001JSlnrProPII GunrerF EoenrolEleotrical-WebraMIni voopGFKGold-Moropropi-I Mettertrausen erorarry 12Tennolnlan Sultan VSpendWnbnamuffler11-7bergProfasolonal t17-r1 Webre1 YanissafrimEleMinI VOo RobonRote HardekerEngland 16 En15mneper1 SpeedHPirioffler 11-BArrSkylooder WarrenGaxorlIe Get.I HPRote HIterrOnoCanada20Managerbatorn [ HPHP muffler11-7AirSnaG 1H RaqgenoPonrara- enligre ISuperSuper-Pibra PS PasaaoollerItaly1SAuto Dealer MarIaJ OBOSH ABC Itigretlgre 11-lid MBAkiline EarnSloten -PsycCOlOgIst-I rtigneownTop Pbs Gieaen-Pro Line t 2 jCounselorj Scorpron IIJ GBOBH ABC -ownpIpe 11-7% dannerCompetitIonII made impossible anyone catch acteristically low flight 7195 just him flyoffs Wolfgang Matt made flyoffs second highest score World Chain- After 4th round flyoff qualifiers pionships 8510 wrap up place 1 Prettner Austria25020 2 flyofis Rhett Miller put unchar- Brown US24090 3 Matt Liechten October1977 49 Partially collapsed nose gear caused fibreglass prop scuff runway Frances Pierre three top R/C Aerobatics fliers 1977 world L R Wolfgang Matt Dave Brown Blanquart managed take off anyway Hanno Prettneralso top three 75 different order placement Matt fly entire pattern overcomes bad flight resulting plug failure subsequent flights good Lost own thoughts Rhett Miller right Dick Penrod left mechanic Ron Chidgey wait Rhetts moment fly Rheft ex perienced equipment mishap first flight like Man under awesome pressure making good followed stein24065 4 Kristensen Canada 23830 5 RadcliffUS22970 6 Mil ler US22955 final team placings see Competi tion News complete results World Championships computed adding scores best 3 flights team member Several teams 2 members some 1 final top 3 team placings 1 US 70015 2 Japan67545 3 Germany 64130 Flyoff flyoff held front 10 judges flight circle front CD tent scores 10 judges added 50 Model Aviation Australian wheat farmer Tom Prosser shacked entire flight line booming voice Liechtenstein team always arrived night line witn teody oear mascot rreparing nis called out maneuvers blonde well-known Atlas flight Wolfgang Matt placed third world champ 1975 cockpit eye-catching hair-do Pondering problem David Hardaker Eng land facing camera right team mate Terry Cooper Whatever Dave managed 17th flight Mexicos Luis Casten ada would like have over engine flam ed out tried emergency landing spectacular result best 2 flyoff flights add ed qualifying flight scores Con sequently flyofi flight really worth 2 flights since qualifying scores based scores 5 judges basis competitors ap parently solid positions Prettner Kristensen Prettner led Brown Matt close 1000 points Kristensen ahead Radcliff Miller around 900 points Prior starting flyoff flights requested audience cheer applaud flier until flight com plete huge audience complied request manner wit nessed believed absolute silence spectators eerie sound engine flier calling maneuvers Fliers drew lots flying sequence round flyoff Surprisingly order flight changed very little 1 round next wind began pick up flyoff approached moderately strong directly crosswind time flyoff started Fliers put flights consistent average 3 qualifying flights no barnburners competitor have apparent difficulty Ivan Kris tensen experienced engine trouble 2nd flightit sounded like engine went lean Ivan forced land pre mid-wing aircraft flown Bengt Lundstrom Sweden deep fuselage extending along its length employed flaps October1977 51 Oblivious camera Mark Radcliff right carries animated conversation Bill Ney can read owninto Too bad cant show other photos AWHOLE NEW What does Radio Control Pattern World Championships have average RC sport flier casual contest flier Plenty proving ground advanced equipment being developed debugged de manding fliers world Perfection acceptable standard business fact what wins sells manufacturers doing utmost satisfy fliers turn gives excellent input what works stays working under battle conditions Note said stays working Hav ing set scene will give observations some technical ad vancements both World Championships Masters Tournament Engines tuned pipe has come age tremendous power increase avail able power increase has brought about lots new problems engines just arent staying together Crankshafts breaking Rods wearing out Bearings dont hold up rings crack problems being solved am sure manufacturers will have corrections made before ship ments made large quantities engines now production prototypes tuned pipe has made airplanes ugly ducklings will drive air craft design new directions Steve Helms design called Bootlegger using prototype OPS rear-exhaust ABC front carb pipe through canopy cleans up design makes very neat set-up feel engine near future will rear-exhaust rear-intake ABC engine new sliding-bar linear carburetor will run little no nitro 5% max rear intake will allow stronger crankshaft fuel tank thinner lower make clearance rear-mounted pipe Mixture control will must unless pump used pipe tuning present critical pipe must set engine rpm involves prop design size prop er rpm max power seems 14500 rpm range stay pipe given day prop must varied give tuned rpm Also glow-plug life has substantially reduced plugs can let down wrong time Wolfgang Matt blew plug Rolling-8 first flight put back wall unfailing performance rest meet flying excellent true best way win start top first flight stay maturely avoid damage engine Hanno Prettner last man fly 1977 World Championships final individual placings see Com petition News complete results 10th R/C Aerobatics World Champion ships 1 Hanno Prettner Austria 41395 2 Dave Brown US40255 3 Wolfgang Matt Liechtenstein40 195 4 Ivan Kristensen Canada3899O 5 Rhett Miller US38735 6 Mark Radcliff US38485 awards ceremonies held front pipes abounding manner installa tion prime topic conversation chris tian Bossard Frence hid completely lovely model foreground Only smell round hole marked its exit top fuselage 52 Model Aviation Radios Radios have reached new level performance Signature Custom beautiful Phoenix 6 Iver Husem Nor way very effective flaps/spoilers Canadas Ivan Kristensen suitcase held transmittersas did others BALLGAME Expert type radio now offered result years demand exact longer life system curse servo pot wear seems licked Pot life maybe 10 flights now 200 claim over 1000 no longer need three sets servos set airplane waiting go set being fixed technology has incorporated sporttype radios can thank fliers important advancement Dual-rate control throws aileron elevator seems standard practice some using dual rate rudder critical turn Figure M crosswind Prettner using eight channels rudder elevator ailerons engine mixture control spoilers coupled decoupled flaps Transmitter design has pretty much settled down open precision stick high quality pots ad justable rates throws Temperature voltage drift nil technology has used sport-type radiQs Again can thank compe tition fliers demanding advancement manufacturers respon ding Aircraft Design Design changes top competition come slowly surely Its little little Construction design changed lighter airframe seven eight channels tuned pipes etc FAt maximum weight restric tion rule has become real problem some competitors found ships over-weight What take out Plastic covering will used save weight general less everything will put hope does result structural failures dont need failures poten tial liabilities think coupled flaps elevators will increase espec ially rules begin add square- triangle-type looping maneuvers Pipes mufflers will designed basic airframe Condusion cant help wonder type competition headed re quires more work amount flying done very tough league break also expensive will need best engines radios designs fuel etc course practicelots almost seems major rule change might order will put less demand resources special equipment simple design flexibility originality maneuvers wonder what slow-rpm high-torque 90 120 engine 800-900 sq wing fixed-gear basic design looks like full-scale type stunt aircraft would Ed Keck CD tent midst hundreds happy competitors supporters sponsors officials spectators Suddenly over feeling air ended too soon because people milling about long after awards presented seemed unwill ing let go great aura associated World Championship job just begun Imagine trying report about events importance Team Finals World Cham pionships Dick McGraw took 1100 photographs captions prepared worthy publica tion contestant information sheets converted Team Finals/World Championship matrixes presented Special thanks due Sgt Bill Grigs Ft Walton Beach Police Dept spent hrs processing film 32 rolls Dick McGraw cover ing Team Finals himself World Championships competitors officials gracious ly put up questions picture taking lot work Id again tomorrow because part 1977 R/C Aerobatic World Championships October 1977 53 Europeans use transmitter trays just beginning accepted country 1973 world champion Tsugutaka Yoshioka always started engine airplane inverted just missed fly-offsplaced seventh Close-up Pressners Curare Prototype Springfield 77 shows its vertical whip antenna favored Europeans