ON MAY 29-30 Waco TX last 28 FAI quarter-final contests held Since first week May 136 contest ants competed number 103 qualified rules stated could fly two quarter-finals entry fee thereby getting two attempts earn slot semi-finals Fifty-seven fliers took advantage time read 103 quarter-finalists will re duced 36 virtue semi-finals will have held simultaneously Fort Wayne IN Fort Worth TX Spokane WA Los Angeles CA Elmira NY Tullahoma TN phase eliminations held over July 4th weekend 36 final ists would announced RC Soaring Nationals banquet July 21 Jim Simpson expresses hearty thanks 28 clubs supported program further note appreciation fliers didnt compete contributed make work behind-the-scenes efforts Simp sonnearly 4000 pieces correspon dence John Nielsens fund-raising efforts still time FAI team sup porter see column June 1976 Rules Chairman Keith Finkenbiner helping make program work have bit shy about FAI competition found chal lenging fun current task/round system involved usually run less efficiency regular duration con test changes made will have opportunity Jim Simpson will sending out survey sheet contestants organizers can express opinions offer suggestions meantime rule proposalsAMA FAIshould sent Keith Finkenbiner 6 5 536 Sussex Rd Naperville IL 60540 Green Bay WI Packer land comes news Green Bay RUF Radio U-Control Free-Flight Model Aeroplane Clubs First Annual Sailplane contest Ron Kopp Suds City-Milwaukee clan reports contest less ideal weather conditions enthusiasm high 14 fliers competing Contestants came far Minneapolis Mil waukee Flying-Electrons Suds City team making up half roster Competition tasks two-mm pre cision ten-mm duration Open winches used because muddy field fly one/retrieve on-foot system Contest director Bob Cowles crew can term efforts successful final tabulations looked like Two-M Precisisa 1 Greg Seydel 2 Bob Massing 3 Lee Sharafioski MilwaukeeAquila Minneapolis Aquila MilwaukeeCirrus Ten-Mi Duration 1 Dave Anderson 2 Bill Hughes 3 Clarence Nuthals Minneapolia Cuduhy Wisc Green Bay Aquila Aquila ASW-11 modified Combined Scores 1 Larry DAttilia 2 Ron Kopp 3 Bob Mongin Milwaukee Milwaukee Green Bay Legiosaire Cumulus Monterey Beat Juniors 1 Rich SzahoMilwaukeeOriginal 2 Lyna NathalsGreen BayWiodfree Big sky big birds big interest Members Fort Worth Thunderbirds line up mixed bag Standard Unlimited sailpianes An interesting event calendar LSF clinic truly unselfish effort part clubs leaders scheduled day aspiring levels II III can attempt tasks slope 20 mm away regular flying site both duration requirements can attained day Basically frequency control maintained usual colored-clip method flier has frequency long attempt lasts takes some team effort stage cross-country attempts TSSS also provides DC/RC club Washington DC similar activity scheduled third day Memorial Day weekend followed two-day contest San Fernando Valley Silent Flyers Last year Jerry Krainock came up original idea club event called Desert Dash Whether inspired Rom mel 49 Gold Rush arent sure novel contest can bring out best plane better plane arguments Rules simple basic I Only 17 entries per frequency 2 No limit line length er re-launches 3 Shortest total elapsed time start gate finish gate wins 4 No limit ballast model size other maximum limits set FAI rules 5 One model onlyif break course fix year SFVSF doing again column will publish results continued page 85 September 1976 25 GRAB HANDFUL OF RS CHANNEL Theres least 3 reasons think youll inter ested new 3 channel transmitter First its small size 48 X 54 X 16 easy carry easy handle Second its light weight just 1 lb 5 oz including rechargeable nicads Third familiar RS quality handcrafting quality components its compact design precise control functions new RS 3 channel transmitter natural variety powered sail soaring applications See local dealer details contact us direct da RS Systems Canada 2050 Mansfield St Montreal Quebec H3A 1 Y9 Canada COMPANY Holland Drive sville Maryland 20705 474-2900 edge motor installed twostrand motor 2-mm rubber about 19 long works well Put about 1000 turns allow model ROG flies straight ahead stalls bend rudder over left turn stalling persists bend stabilizer trailing edge down Re member tightening up left turn will help convert stall spiral climb reduce need down-thrust stabilizer force during initial power burst model adjusted climb smooth left turn stalling add few turnsmy normal maximum about 1500 model should take off make fairly steep climb left nearly stall roll out proceed shallow left climb stall too severe turn tight bend stabilizer down add down-thrust shim hind top nose block initial flights model refuses climb rather flies tight left circle open up turn rudder climb still poor remove some ballast clay consider yourself lucky Stalling probable difficulty addi tional incidence built lower left wing should hold up during turns ever doesnt add small trim tab prototype model nearly five years old now has provided lot enjoy able flying competitive well just fun hope yours does same RC Soaring/Pruss continued page 25 Ron Kopp pointed out fact al though half contestants Suds City team support like encourages new clubs further promote RC Soaring pointed out Suds City Soaring Teams now sponsored Old Milwaukee beerfirst successful con test because group down Chicago way kind enough loan winches operators that newly formed group now has annual bashOld Mil waukee sponsoredcalled Suds City Soar-In Tn State Soaring Society Mention group made back now probably fastest growing clubs country Made up fliers eastern Ohio western Pennsylvania West Virginia organization has over 60 members judging news letter Sandbag now theres honest bunch calls way see group active expert/sportsman categories discussed column last month Sharon Center OH May 22 28 fliers competed J Keleher topped Grand Esprit next five places also won expert class J Davis out-flew next two earned seventh place overall first sportsman class Davis flew Paragon Clubs inspired style competition need have local desert stage such event Get off busy ex pressways explore roads once routes across country Youll surprised distance can fly using roads navigating land ing re-launching realized USA flat land bean fields area lends itself type terrain appraise us have following adventures Jack Hiner magic aeroplanes recently witnessed couple events can benefit Last year Jack could no wrong First FAI distance record see Model via don Sept 1975 32 miles second accomplish 20-kilometer goal return task [SF Level V three others have club duration record over three hours made didnt fulfill requirements LSF Level V duration did have witnesses flight two hours made last half done rudder because elevator servo failed Although touch-and-go situation flight uneventful probably showed wear tear witnesses specta tors Jack fall sailplane specially September 1976 85 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: 25, 85, 86
ON MAY 29-30 Waco TX last 28 FAI quarter-final contests held Since first week May 136 contest ants competed number 103 qualified rules stated could fly two quarter-finals entry fee thereby getting two attempts earn slot semi-finals Fifty-seven fliers took advantage time read 103 quarter-finalists will re duced 36 virtue semi-finals will have held simultaneously Fort Wayne IN Fort Worth TX Spokane WA Los Angeles CA Elmira NY Tullahoma TN phase eliminations held over July 4th weekend 36 final ists would announced RC Soaring Nationals banquet July 21 Jim Simpson expresses hearty thanks 28 clubs supported program further note appreciation fliers didnt compete contributed make work behind-the-scenes efforts Simp sonnearly 4000 pieces correspon dence John Nielsens fund-raising efforts still time FAI team sup porter see column June 1976 Rules Chairman Keith Finkenbiner helping make program work have bit shy about FAI competition found chal lenging fun current task/round system involved usually run less efficiency regular duration con test changes made will have opportunity Jim Simpson will sending out survey sheet contestants organizers can express opinions offer suggestions meantime rule proposalsAMA FAIshould sent Keith Finkenbiner 6 5 536 Sussex Rd Naperville IL 60540 Green Bay WI Packer land comes news Green Bay RUF Radio U-Control Free-Flight Model Aeroplane Clubs First Annual Sailplane contest Ron Kopp Suds City-Milwaukee clan reports contest less ideal weather conditions enthusiasm high 14 fliers competing Contestants came far Minneapolis Mil waukee Flying-Electrons Suds City team making up half roster Competition tasks two-mm pre cision ten-mm duration Open winches used because muddy field fly one/retrieve on-foot system Contest director Bob Cowles crew can term efforts successful final tabulations looked like Two-M Precisisa 1 Greg Seydel 2 Bob Massing 3 Lee Sharafioski MilwaukeeAquila Minneapolis Aquila MilwaukeeCirrus Ten-Mi Duration 1 Dave Anderson 2 Bill Hughes 3 Clarence Nuthals Minneapolia Cuduhy Wisc Green Bay Aquila Aquila ASW-11 modified Combined Scores 1 Larry DAttilia 2 Ron Kopp 3 Bob Mongin Milwaukee Milwaukee Green Bay Legiosaire Cumulus Monterey Beat Juniors 1 Rich SzahoMilwaukeeOriginal 2 Lyna NathalsGreen BayWiodfree Big sky big birds big interest Members Fort Worth Thunderbirds line up mixed bag Standard Unlimited sailpianes An interesting event calendar LSF clinic truly unselfish effort part clubs leaders scheduled day aspiring levels II III can attempt tasks slope 20 mm away regular flying site both duration requirements can attained day Basically frequency control maintained usual colored-clip method flier has frequency long attempt lasts takes some team effort stage cross-country attempts TSSS also provides DC/RC club Washington DC similar activity scheduled third day Memorial Day weekend followed two-day contest San Fernando Valley Silent Flyers Last year Jerry Krainock came up original idea club event called Desert Dash Whether inspired Rom mel 49 Gold Rush arent sure novel contest can bring out best plane better plane arguments Rules simple basic I Only 17 entries per frequency 2 No limit line length er re-launches 3 Shortest total elapsed time start gate finish gate wins 4 No limit ballast model size other maximum limits set FAI rules 5 One model onlyif break course fix year SFVSF doing again column will publish results continued page 85 September 1976 25 GRAB HANDFUL OF RS CHANNEL Theres least 3 reasons think youll inter ested new 3 channel transmitter First its small size 48 X 54 X 16 easy carry easy handle Second its light weight just 1 lb 5 oz including rechargeable nicads Third familiar RS quality handcrafting quality components its compact design precise control functions new RS 3 channel transmitter natural variety powered sail soaring applications See local dealer details contact us direct da RS Systems Canada 2050 Mansfield St Montreal Quebec H3A 1 Y9 Canada COMPANY Holland Drive sville Maryland 20705 474-2900 edge motor installed twostrand motor 2-mm rubber about 19 long works well Put about 1000 turns allow model ROG flies straight ahead stalls bend rudder over left turn stalling persists bend stabilizer trailing edge down Re member tightening up left turn will help convert stall spiral climb reduce need down-thrust stabilizer force during initial power burst model adjusted climb smooth left turn stalling add few turnsmy normal maximum about 1500 model should take off make fairly steep climb left nearly stall roll out proceed shallow left climb stall too severe turn tight bend stabilizer down add down-thrust shim hind top nose block initial flights model refuses climb rather flies tight left circle open up turn rudder climb still poor remove some ballast clay consider yourself lucky Stalling probable difficulty addi tional incidence built lower left wing should hold up during turns ever doesnt add small trim tab prototype model nearly five years old now has provided lot enjoy able flying competitive well just fun hope yours does same RC Soaring/Pruss continued page 25 Ron Kopp pointed out fact al though half contestants Suds City team support like encourages new clubs further promote RC Soaring pointed out Suds City Soaring Teams now sponsored Old Milwaukee beerfirst successful con test because group down Chicago way kind enough loan winches operators that newly formed group now has annual bashOld Mil waukee sponsoredcalled Suds City Soar-In Tn State Soaring Society Mention group made back now probably fastest growing clubs country Made up fliers eastern Ohio western Pennsylvania West Virginia organization has over 60 members judging news letter Sandbag now theres honest bunch calls way see group active expert/sportsman categories discussed column last month Sharon Center OH May 22 28 fliers competed J Keleher topped Grand Esprit next five places also won expert class J Davis out-flew next two earned seventh place overall first sportsman class Davis flew Paragon Clubs inspired style competition need have local desert stage such event Get off busy ex pressways explore roads once routes across country Youll surprised distance can fly using roads navigating land ing re-launching realized USA flat land bean fields area lends itself type terrain appraise us have following adventures Jack Hiner magic aeroplanes recently witnessed couple events can benefit Last year Jack could no wrong First FAI distance record see Model via don Sept 1975 32 miles second accomplish 20-kilometer goal return task [SF Level V three others have club duration record over three hours made didnt fulfill requirements LSF Level V duration did have witnesses flight two hours made last half done rudder because elevator servo failed Although touch-and-go situation flight uneventful probably showed wear tear witnesses specta tors Jack fall sailplane specially September 1976 85 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: 25, 85, 86
ON MAY 29-30 Waco TX last 28 FAI quarter-final contests held Since first week May 136 contest ants competed number 103 qualified rules stated could fly two quarter-finals entry fee thereby getting two attempts earn slot semi-finals Fifty-seven fliers took advantage time read 103 quarter-finalists will re duced 36 virtue semi-finals will have held simultaneously Fort Wayne IN Fort Worth TX Spokane WA Los Angeles CA Elmira NY Tullahoma TN phase eliminations held over July 4th weekend 36 final ists would announced RC Soaring Nationals banquet July 21 Jim Simpson expresses hearty thanks 28 clubs supported program further note appreciation fliers didnt compete contributed make work behind-the-scenes efforts Simp sonnearly 4000 pieces correspon dence John Nielsens fund-raising efforts still time FAI team sup porter see column June 1976 Rules Chairman Keith Finkenbiner helping make program work have bit shy about FAI competition found chal lenging fun current task/round system involved usually run less efficiency regular duration con test changes made will have opportunity Jim Simpson will sending out survey sheet contestants organizers can express opinions offer suggestions meantime rule proposalsAMA FAIshould sent Keith Finkenbiner 6 5 536 Sussex Rd Naperville IL 60540 Green Bay WI Packer land comes news Green Bay RUF Radio U-Control Free-Flight Model Aeroplane Clubs First Annual Sailplane contest Ron Kopp Suds City-Milwaukee clan reports contest less ideal weather conditions enthusiasm high 14 fliers competing Contestants came far Minneapolis Mil waukee Flying-Electrons Suds City team making up half roster Competition tasks two-mm pre cision ten-mm duration Open winches used because muddy field fly one/retrieve on-foot system Contest director Bob Cowles crew can term efforts successful final tabulations looked like Two-M Precisisa 1 Greg Seydel 2 Bob Massing 3 Lee Sharafioski MilwaukeeAquila Minneapolis Aquila MilwaukeeCirrus Ten-Mi Duration 1 Dave Anderson 2 Bill Hughes 3 Clarence Nuthals Minneapolia Cuduhy Wisc Green Bay Aquila Aquila ASW-11 modified Combined Scores 1 Larry DAttilia 2 Ron Kopp 3 Bob Mongin Milwaukee Milwaukee Green Bay Legiosaire Cumulus Monterey Beat Juniors 1 Rich SzahoMilwaukeeOriginal 2 Lyna NathalsGreen BayWiodfree Big sky big birds big interest Members Fort Worth Thunderbirds line up mixed bag Standard Unlimited sailpianes An interesting event calendar LSF clinic truly unselfish effort part clubs leaders scheduled day aspiring levels II III can attempt tasks slope 20 mm away regular flying site both duration requirements can attained day Basically frequency control maintained usual colored-clip method flier has frequency long attempt lasts takes some team effort stage cross-country attempts TSSS also provides DC/RC club Washington DC similar activity scheduled third day Memorial Day weekend followed two-day contest San Fernando Valley Silent Flyers Last year Jerry Krainock came up original idea club event called Desert Dash Whether inspired Rom mel 49 Gold Rush arent sure novel contest can bring out best plane better plane arguments Rules simple basic I Only 17 entries per frequency 2 No limit line length er re-launches 3 Shortest total elapsed time start gate finish gate wins 4 No limit ballast model size other maximum limits set FAI rules 5 One model onlyif break course fix year SFVSF doing again column will publish results continued page 85 September 1976 25 GRAB HANDFUL OF RS CHANNEL Theres least 3 reasons think youll inter ested new 3 channel transmitter First its small size 48 X 54 X 16 easy carry easy handle Second its light weight just 1 lb 5 oz including rechargeable nicads Third familiar RS quality handcrafting quality components its compact design precise control functions new RS 3 channel transmitter natural variety powered sail soaring applications See local dealer details contact us direct da RS Systems Canada 2050 Mansfield St Montreal Quebec H3A 1 Y9 Canada COMPANY Holland Drive sville Maryland 20705 474-2900 edge motor installed twostrand motor 2-mm rubber about 19 long works well Put about 1000 turns allow model ROG flies straight ahead stalls bend rudder over left turn stalling persists bend stabilizer trailing edge down Re member tightening up left turn will help convert stall spiral climb reduce need down-thrust stabilizer force during initial power burst model adjusted climb smooth left turn stalling add few turnsmy normal maximum about 1500 model should take off make fairly steep climb left nearly stall roll out proceed shallow left climb stall too severe turn tight bend stabilizer down add down-thrust shim hind top nose block initial flights model refuses climb rather flies tight left circle open up turn rudder climb still poor remove some ballast clay consider yourself lucky Stalling probable difficulty addi tional incidence built lower left wing should hold up during turns ever doesnt add small trim tab prototype model nearly five years old now has provided lot enjoy able flying competitive well just fun hope yours does same RC Soaring/Pruss continued page 25 Ron Kopp pointed out fact al though half contestants Suds City team support like encourages new clubs further promote RC Soaring pointed out Suds City Soaring Teams now sponsored Old Milwaukee beerfirst successful con test because group down Chicago way kind enough loan winches operators that newly formed group now has annual bashOld Mil waukee sponsoredcalled Suds City Soar-In Tn State Soaring Society Mention group made back now probably fastest growing clubs country Made up fliers eastern Ohio western Pennsylvania West Virginia organization has over 60 members judging news letter Sandbag now theres honest bunch calls way see group active expert/sportsman categories discussed column last month Sharon Center OH May 22 28 fliers competed J Keleher topped Grand Esprit next five places also won expert class J Davis out-flew next two earned seventh place overall first sportsman class Davis flew Paragon Clubs inspired style competition need have local desert stage such event Get off busy ex pressways explore roads once routes across country Youll surprised distance can fly using roads navigating land ing re-launching realized USA flat land bean fields area lends itself type terrain appraise us have following adventures Jack Hiner magic aeroplanes recently witnessed couple events can benefit Last year Jack could no wrong First FAI distance record see Model via don Sept 1975 32 miles second accomplish 20-kilometer goal return task [SF Level V three others have club duration record over three hours made didnt fulfill requirements LSF Level V duration did have witnesses flight two hours made last half done rudder because elevator servo failed Although touch-and-go situation flight uneventful probably showed wear tear witnesses specta tors Jack fall sailplane specially September 1976 85 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