Corrirol Line Aerobatics ABOUT THE TIME readers see 12th Federation Aeronautique ternationale World Championships pre cision aerobatics will taking place Ultrecht Holland Representing United States will defending World Champion Bob Gieseke former two-time World Champion Bill Werwage 1974 team member Gene Schaffer first time team member Les McDonald Gieseke will competing individual will forfeit sometimes advantageous choice flying positions within three spots awarded team United States record World Championships precision aerobatics best of miniature aircraft world very similar USs bas ketball record Olympic games 32 Model Aviation Wynn PduI Bob Gieseke left Gene Schaffer conferring 74 Nats Both long-time competitors members 1976 FAI team have lost team championship once since US first competed 1960 first USA team consisted Don Still Bob Palmer late Steve Wooley team selected three different locations over July 4th week end 1960 Championships held Budapest Hungary early Sep tember Still finished second Louis Grondal Belgium Don flying semi-scale Stuka no doubt raised few eyebrows Europe Bob Palmer finished third flying Thunderbirds Steve Wooley finished fourth veteran Argus Europeans impressed great finish Wooleys plane under FAI rules appear ance points counted Europeans fly planes four five years old Prior 1960 World Championships 1957 58 59 stunt US did send teams two-year cycle instituted after 1960 1962 team Jim Silbavy Dick Wil liams Ed Southwick didnt fare quite well earlier team mates reception Kiev Russia exactly warm competitors best US could Silbavy eighth place Louis Grondal won again flying two origi nal models FAI pattern AMA pattern powered Fox 35s American team finished third behind Russia Czechoslovakia 1964 team picked May year site flyoff Milwaukee WI after days delay high winds new kid block name Bob Gie seke startled lot people placing first try-outs having never placed top three Nationals up time Other team members Lew McFarland Bob Gialdini Budapest again Championships three Amer icans Jun Sirotkin Johani Kari fight ing out top honors Sirotkin came out top Gialdini third McFarland sixth Gieseke ninth place USA again won team championship try-outs 1966 team scheduled September 1965 give ample time team members pre pare future FAI Championships Dayton Steve Wooley made team again after overcoming broken wing during practice low flying hawk total wipecontinued page 86 Placing second Australian Nats Paul Turners Windedge Powered Fox 40 en gine has 60-in span weighs 48 oz Left Unique Curtiss AT-9 Jeep Jack Sheeks powered two OS 30s 57-in Foam Lite wing Weight semi-profile 64 oz Below Enjoying moment relaxation during 75 Nats 1976 FAI team members Les McDonald left Bill Werwage designed around Replogle barograph type used full scale sailplanes Jack began efforts break Ray Smiths altitude record Conditions less good experience valuable May 16 conditions close ideal serious attempt made breaking altitude record plane flown same wing used set ting distance record fuselage mentioned earlier Considering cloud base determined 7000 feet could reached Visibility because previous experiments would no prob lem plane launched 45 mm bird altitude estimated over 4000 ft suddenly what appeared radio interference 14-ft craft went through maneuvers intended cer tain aerobatic events Less 20 sec later left wing seen break away can guess remaining flight path However plane plummeted Jack able change directional rota tion proved working radio Small compensation plane destroyed barograph radio damaged upon close inspec tion following revealed left wing did break separated fuselage conventional two-piece wing used mounted two wires go through fuselage Rubberbands held two wings tightly fuselage determined planes close proportions Jacks largest wire available 7/32 suitable 1/4 would have used Taking 1/4in drill rod having case-hardened seemed serve purpose well did over year analysis further revealed forward wing wire sheared left wing/ fuselage joint closer inspection indi cated imperfect treatment casehardening could have cause wire breaking Whether fatigue limit eventually reached normal wing loads wind shear put undue stress wings wont known surmised what thought radio interference really left wing breaking ward wire wing changed incidence pivoting rear wire put plane series wild gyrations until left wing slid off remaining wire barographs trace indicated altitude 4700 feet reached Ideas hints club events contest results availability 1/4-in piano wire d Dan Pruss Box 490 Plainfield IL 60544 CL Aerobatics/Paul continued page 32 out crash during round requiring use back-up ship round two broken line pull test just before round three Also making team veterans Jim Silbavy Lew McFarland Swin derby England site 66 FAIs Joseph Gabris Czechoslovakia won event Silhavy second Mc Farland third Wooley fourth place US again won team champion ship first time US judge Bob Gialdini panel 1968 team picked St Louis Fall 67 Bob Gieseke Jim Silbavy Steve Wooley coming out top Helsinki Finlands Gabris again came out top flying same Super Master MVVS 56 engine Gie seke placed third Wooley fourth Sil havy wound up ninth US again won team championship Prior 1968 host country awarded individuals some type distinctive awards urging team manager Doc Jackson 68 perpetual Walker Cup American Sterling Silver instituted both individual team champions made retroactive 1966 Champion ships Finally 1970 Stars Stripes raised over victory stand firsttime team member Bill Werwage flew USA-I first place Namur Belgium Bob Gieseke very close behind 1920 points Bills 1924 Jerry Phelps flying clockwise finished fourth place USA again won team championship Joseph Gabris flying sixth World Championships European able split up Americans finished third 1971 FAI try-outs Cleveland Bill Werwage presented Walker dividual World Championship Trophy Mrs Wooley mother Steve Wooley killed automobile ac cident Walker Cup replaced new award Steve Wooley Cup Wil liamson bowl American silver would new perpetual trophy individual World Champion control-line precision aerobatics Selected team Cleveland Bill Werwage Gerald Phelps Bob Gieseke Bill won back back World Titles 1972 Finland outclassed field reliable USA-I time powered ST 46 Gieseke finished sixth Phelps 14th team finished first again 1973 try-outs curious mix ture veterans some new faces Gial dini out retirement Phelps Sil havy retirement McFarland Gieseke Werwage trying get back team Gene Schaffer second try outs Al Rabe Les McDonald right up leaders After wind heat subsided St Louis Bob Gie seke Gene Schaffer Bill Werwage made team fifth try old pipe smoker Bob Gieseke beat body world 1974 Champion ships Czechoslovakia Bill Werwage taking second place Gene Schaffer sixth place USA team made six row team championship lot stunt fliers FAI cham pionships rather vague concept brought some extent poor cover age model press except some rare occasions Some try-outs have few 15 competitors however have enough great fliers send out standing teams World Champion ships FAI patches sold AMA help defray costs sending con trol-line fliers Perennial team manager Doc Jackson wages man war FAI-type competition United States borne out poor showings speed team race champion ships Aerobatics probably has advan tage since local contest has basically same stunt pattern FAI rare see FAI speed team race local scene appears writer number contestants precision aerobatics increasing prospects very competitive FAI try-outs other year third year three-year cycle passed very good Write Wynn Paul 1640 Maywick Dr Lexing ton KY 40504 86 Model Aviation RC Soaring continued
Edition: Model Aviation - 1976/09
Page Numbers: 32, 86
Corrirol Line Aerobatics ABOUT THE TIME readers see 12th Federation Aeronautique ternationale World Championships pre cision aerobatics will taking place Ultrecht Holland Representing United States will defending World Champion Bob Gieseke former two-time World Champion Bill Werwage 1974 team member Gene Schaffer first time team member Les McDonald Gieseke will competing individual will forfeit sometimes advantageous choice flying positions within three spots awarded team United States record World Championships precision aerobatics best of miniature aircraft world very similar USs bas ketball record Olympic games 32 Model Aviation Wynn PduI Bob Gieseke left Gene Schaffer conferring 74 Nats Both long-time competitors members 1976 FAI team have lost team championship once since US first competed 1960 first USA team consisted Don Still Bob Palmer late Steve Wooley team selected three different locations over July 4th week end 1960 Championships held Budapest Hungary early Sep tember Still finished second Louis Grondal Belgium Don flying semi-scale Stuka no doubt raised few eyebrows Europe Bob Palmer finished third flying Thunderbirds Steve Wooley finished fourth veteran Argus Europeans impressed great finish Wooleys plane under FAI rules appear ance points counted Europeans fly planes four five years old Prior 1960 World Championships 1957 58 59 stunt US did send teams two-year cycle instituted after 1960 1962 team Jim Silbavy Dick Wil liams Ed Southwick didnt fare quite well earlier team mates reception Kiev Russia exactly warm competitors best US could Silbavy eighth place Louis Grondal won again flying two origi nal models FAI pattern AMA pattern powered Fox 35s American team finished third behind Russia Czechoslovakia 1964 team picked May year site flyoff Milwaukee WI after days delay high winds new kid block name Bob Gie seke startled lot people placing first try-outs having never placed top three Nationals up time Other team members Lew McFarland Bob Gialdini Budapest again Championships three Amer icans Jun Sirotkin Johani Kari fight ing out top honors Sirotkin came out top Gialdini third McFarland sixth Gieseke ninth place USA again won team championship try-outs 1966 team scheduled September 1965 give ample time team members pre pare future FAI Championships Dayton Steve Wooley made team again after overcoming broken wing during practice low flying hawk total wipecontinued page 86 Placing second Australian Nats Paul Turners Windedge Powered Fox 40 en gine has 60-in span weighs 48 oz Left Unique Curtiss AT-9 Jeep Jack Sheeks powered two OS 30s 57-in Foam Lite wing Weight semi-profile 64 oz Below Enjoying moment relaxation during 75 Nats 1976 FAI team members Les McDonald left Bill Werwage designed around Replogle barograph type used full scale sailplanes Jack began efforts break Ray Smiths altitude record Conditions less good experience valuable May 16 conditions close ideal serious attempt made breaking altitude record plane flown same wing used set ting distance record fuselage mentioned earlier Considering cloud base determined 7000 feet could reached Visibility because previous experiments would no prob lem plane launched 45 mm bird altitude estimated over 4000 ft suddenly what appeared radio interference 14-ft craft went through maneuvers intended cer tain aerobatic events Less 20 sec later left wing seen break away can guess remaining flight path However plane plummeted Jack able change directional rota tion proved working radio Small compensation plane destroyed barograph radio damaged upon close inspec tion following revealed left wing did break separated fuselage conventional two-piece wing used mounted two wires go through fuselage Rubberbands held two wings tightly fuselage determined planes close proportions Jacks largest wire available 7/32 suitable 1/4 would have used Taking 1/4in drill rod having case-hardened seemed serve purpose well did over year analysis further revealed forward wing wire sheared left wing/ fuselage joint closer inspection indi cated imperfect treatment casehardening could have cause wire breaking Whether fatigue limit eventually reached normal wing loads wind shear put undue stress wings wont known surmised what thought radio interference really left wing breaking ward wire wing changed incidence pivoting rear wire put plane series wild gyrations until left wing slid off remaining wire barographs trace indicated altitude 4700 feet reached Ideas hints club events contest results availability 1/4-in piano wire d Dan Pruss Box 490 Plainfield IL 60544 CL Aerobatics/Paul continued page 32 out crash during round requiring use back-up ship round two broken line pull test just before round three Also making team veterans Jim Silbavy Lew McFarland Swin derby England site 66 FAIs Joseph Gabris Czechoslovakia won event Silhavy second Mc Farland third Wooley fourth place US again won team champion ship first time US judge Bob Gialdini panel 1968 team picked St Louis Fall 67 Bob Gieseke Jim Silbavy Steve Wooley coming out top Helsinki Finlands Gabris again came out top flying same Super Master MVVS 56 engine Gie seke placed third Wooley fourth Sil havy wound up ninth US again won team championship Prior 1968 host country awarded individuals some type distinctive awards urging team manager Doc Jackson 68 perpetual Walker Cup American Sterling Silver instituted both individual team champions made retroactive 1966 Champion ships Finally 1970 Stars Stripes raised over victory stand firsttime team member Bill Werwage flew USA-I first place Namur Belgium Bob Gieseke very close behind 1920 points Bills 1924 Jerry Phelps flying clockwise finished fourth place USA again won team championship Joseph Gabris flying sixth World Championships European able split up Americans finished third 1971 FAI try-outs Cleveland Bill Werwage presented Walker dividual World Championship Trophy Mrs Wooley mother Steve Wooley killed automobile ac cident Walker Cup replaced new award Steve Wooley Cup Wil liamson bowl American silver would new perpetual trophy individual World Champion control-line precision aerobatics Selected team Cleveland Bill Werwage Gerald Phelps Bob Gieseke Bill won back back World Titles 1972 Finland outclassed field reliable USA-I time powered ST 46 Gieseke finished sixth Phelps 14th team finished first again 1973 try-outs curious mix ture veterans some new faces Gial dini out retirement Phelps Sil havy retirement McFarland Gieseke Werwage trying get back team Gene Schaffer second try outs Al Rabe Les McDonald right up leaders After wind heat subsided St Louis Bob Gie seke Gene Schaffer Bill Werwage made team fifth try old pipe smoker Bob Gieseke beat body world 1974 Champion ships Czechoslovakia Bill Werwage taking second place Gene Schaffer sixth place USA team made six row team championship lot stunt fliers FAI cham pionships rather vague concept brought some extent poor cover age model press except some rare occasions Some try-outs have few 15 competitors however have enough great fliers send out standing teams World Champion ships FAI patches sold AMA help defray costs sending con trol-line fliers Perennial team manager Doc Jackson wages man war FAI-type competition United States borne out poor showings speed team race champion ships Aerobatics probably has advan tage since local contest has basically same stunt pattern FAI rare see FAI speed team race local scene appears writer number contestants precision aerobatics increasing prospects very competitive FAI try-outs other year third year three-year cycle passed very good Write Wynn Paul 1640 Maywick Dr Lexing ton KY 40504 86 Model Aviation RC Soaring continued