To Lockport Illinois July 17-21 came greatest crowd everi 90 contestants 7* Soaring Nationals attend 7th Annual running special attraction colorful Great Bicentennial RC Sailplane Race Dan Pruss Photos Jack Humphreys Don Helfers THE RACE will talked about years Most have praised event others still wondering allowed selves such endurance test Conceived last winter event 1 add new dimension R/C Soaring Nationals 2 provide task club/team competition 3 tie 1976 Bi centennial theme race accomplished basic rules simple team per AMA club object fly crosscountry course 76 kilometers 472 miles same ship Land times necessary provide own launch equipment lowest tojal elapsed time would determine winner July 17 weather event director Neil Liptak controlled fore cast Skies scattered clouds winds northwest 8 mph temperatures near 80 degrees Perfect As call pilots briefing nounced what simulated cannon shot heard Suds City Soaring Team Milwaukee marched cars team sailplane Maestro fact pilot Larry DAttilio musician Milwaukee Symphony nothing plane selection However cannon shot plane didnt draw attention revolu tionary period three-cornered hats did Top From Mexico City Mario Fernandez L Fred Zoller best original-design win ning Ulumcan~ Its all-up weight 38 oz Below failing ROG attempt Rob Thackers Baby Bowlus won scale first second year row also won first AMA Nationals After short briefing judging took place select patriotic plane planes bore patriotic theme red white blue color schemeanother basic requirement entry SOAR provided initial launch winches strung 300 meters linethe same maximum limit al lowed contestants subsequent launches clubs drawn lottery fashion starting sequence Rules Right Launching Aquila-XL Gordon Pear sonkit Lee Renaud/Airtronicsas Lee Re naud salutes Carol Seydec monitors winch P1Name & State 11 Koplan CA 2S Hinman CA 3M Smith CA 10 Edberg CA 2A Clark AL 3C Tuthill TN 1R Robinson MI 2R Pearson CA 3L Payne TX ClSailplane AWindrifter AWindfree AWindfree BAquila BAquila BAqoila CGrand Esprit CSailaire CLegionaire I-Miejto Duration 1K Wagner CA 2E Podzielinski IN 3W Tiabrt MI 1R Hayes IN 20 Edheog CA 3W Plobr OH 1R Pearson CA 2G James IN 30 Halley CT AWindrifter AOsprey AWindfree BAqaila BAqaila BAquila CSailaire CAstrtJtff CMoestre Best Overall Grand Champ 1R Pearson CACSellout 20 Holley CTCManstre 30 Edberg CABAquila Best Junior-Senior 1J Vanderzyl ALCChallenger 2J Mrlik MlCAstro Jeff 3G Smith ALCCirrus Scale P1Name & State 1R Thacker CA 20 Edbnrg CA 3K Wagner CA Sailplane Baby Bombs Ouster Libelle StaticFlight 391251 266350 349247 gest Original Design Ulumcan Find ZullerMenico technical Achievement Releasable Tow Honk Oob GillIL Felin Pannlewski Award Gino SmithAL DistanceModel/No Launches Time Greater Detroit Soaring Hiking Society 76 Km472 Miles Astro Jeff/14 4 Hrs 12 Mm Dallas League Silent Flight 76 Km472 Miles tegionntte/30 6 Hrs. 07 Mm Mansee Sky Chiefs Km4i2 MilesPokey 806/526 Hro 00 Mis Silent Drdnr Aeromodling Radio 76 Km4i2 Miles Aqoila X-L/36 B Hrs. 21 Mis finishing St Lovis Eagles South Bay Soaring So ciety Harris Hill Lift Over Drag Women National Glider Soaring Sods City Reckland County RC Club Redwood Silent Flyers Michigan RC Society San Fernando Valley Silent Flyers sun shining through silk dope covering Max Geiers beautiful Grunau Baby passes overheada scratch-built scale job again simple number Pointscalled could launch pass 1732passed would called until iiithe clubs after given chance 1667launch sequence call-up done 1713twice passed open 1709winch could launch whenever felt 1661the time right 1690 1662 clubs time event began 1661moment hook-up towline flier launched landed launch ing site could relaunch however 1632time continued run 1460 904 am Tom Christian Red1400 1724wood Silent Flyers California Jack 1570Alten launched Legionaire open1473ing flight Right behind 908 1798the Greater Detroit Soaring Hiking 1661Society GDS&HS launching Free 1660as Bird Astro-Jeff piloted Jeff Mrlik Warren Tiahrt 3460 quarter-mile-square sod farm 3327teams Californiathere three 3263Wisconsin Texas Michigan New York Indiana Missouri Illinois launching waiting out strategies 3169varied launch go take what 3117 2921can wait out let morning air warm up should noted phenome Total ptanon m area during July August 642especiallyit no doubt occurs elsewhere 636has nicknamed noon balloon 596As morning air warms some spotty lift experienced until about 10 am Somewhere between 1000 12noon lift area vast large mushroom rising air suddenly generating over earth seems mature about hours time producing very generous lift breaking loose chance attitude remainder day lift lower altitudes can spotty long flights usually challenging As other clubs launched SO AR club elected wait out 916 GDS&HS relaunched 13 miles course half-mile later ground relaunch again made 932 am making fifth start having covered four miles few minutes earlier Dallas League Silent Flights entrya ioo Legionaire launched flown Lemon Payne 934 am St Louis Eagles Dont Tread Astro-Jeff cov ered 23 miles fourth launch made Bob Gill stick San Fernando Valley Silent Flyers team watched club 46 Model Aviation Bicentennial Race Results Standings 2-Mitaite Precision originated Desert Dash 20-mile cross-country trek held second time year experience would no doubt valuable Practice plan did Flier Pat Potega probably enthusiastic event pre-race interest indicator SFVSFs entry original design bore motto Unity Through Diversity launched 1022 something went wrong plane erratic after tow release Potega made desperate effort land safely last moment wing tip caught ground ship ruined An eleva tor control blamed accident months hard efforts met abrupt cli max within few seconds However four days later SFVSFs would walk proud ly silver awards other club Two clubs still waiting green air 1045 Gil Rifkin New York launched Rockland County R/C Clubs entry Dont Tread bannered modified Aquila 1055 SOAR Jack Hiner launched Aquila X-L No lift found plane landed going Jack Nielsen scribe motoring along course check progress other clubs ingenuity modelers evident Winches mounted back pick-up trucks histarts reels affixed tops station-wagons quick retrieval pick-up trucks fitted everything lawn chairs stuffed easy chairs accommodate fliers Dallas club convertible Lemon Payne Tom Williams flying sitting top rear seat focal point ticker-tape parade almost qualified 1015 course begun take its toll disheartened crew Suds City fliers met going back check-in after 7 miles completed Maestro damaged during landing hit sign post Ironically sign said pass care Dick Pike Elmira met good-spirited crew refreshing themselves pondering over what could have totaled Hobie Hawk laid shambles just short 14-mile mark telephone pole terminated flight Dick Shilling lending support WINGS seen providing launches Barbara Henon Margaret Gill WINGS soaring organization women motto have yet begun fight Just short 13 miles original design damaged forced withdfaw race Earlier morning Dallas club support Carrol Moffatt wife seen making excellent time southern course second leg cross-country southerly its 12 miles fliers could take advantage slight tail wind As Jeff Mrlik Warren Tiahrt did hour 18 minutes before landed after launching ninth time 957 over 17 miles covered later proved longest dis tance club However two minutes after 176 accomplished Mrlik Tiahrt flew another hour eight November1976 47 Left Buck Zehr Cirrus 61 oldest entranthes building models 51 years Above Don Thermal Sniffer Clark 10-foot modified Kurwi Class 42 entries B 57 C 87 Scale attracted 12 entries Don Endberg Duster second-place Scale entry took second B Duration first B precision third Grand Champ Below Suds City team entry Bicenten nial Race winner patriotic theme race entries required have red white blue patriotic theme 1976 RC Soaring Nats minutes distance 131 miles time far ahead closest competition others checking progress fliers thought Detroit crew run diffi culties went back check-in area As Nielsen came upon Detroit club understood what part rea son teams progress elder Mrlik Jerry driving station wagon Earl Pell Dave Corven winch operators Jeff would launch find lift get high Warren Tiahrt would take over Both Jeff Warren would sit closed tail gate window open follow plane course As lift died Warren would try stretch flight luck trying eke out short extra distance prior planning safe landing zones color coded Nats issued map Commit ting himself charted landing zones Tiahrt would set up approach During time Jeff would take end Left Winning Open Team Ito R T Koplan K Wagner R Pearson Below 1 Col R Thacker Scale first Below R R Pearson Grand Champ Right Winning Jr-Sr Team R J Vanderezl G Smith W Elliott tow line stand adjacent Tiahrt Jerry would drive down course paying out 300 meters line Pell Cor yen monitored winch time Tiahrt retrieving plane hooking up Because exceptionally strong wing Astro-Jeff pulsing winch wasnt necessary during race Actuate switch launch release retrieve line Back wagon up pick up fliers log sheet shows se quence usually done two minutes less wasnt team chestra concert Back start-finish line field stirring possibility early finish least club 120 pm Free Bird crossed finish line having flown 76 kilome ters using 14 launches incredible elapsed time 4 hours 12 minutes Second cross Dallas League Si lent flight 6 hours 07 minutes Munsee Sky Chiefs proved course generous landing areas continued page 89 Above Big contests always attract people youd like meet Cecil Haga winning design Legionaire 100rudder eleva tor spoilers towhook release Right Launching Legionaire Larry OAttilio winches Art Earl Kleinfeldt Eleven-year-old Frank Foster Jr transmit ter Dad Frank Sr. works winch three days contestant flew tour rounds taskgth round used better either two tasks Few passed 9th round QL9 7 13/16 L 48V 100 MA 123 oz 349g 38K42F $1350 E NEW BATTERY f: 1 3/160 K i3/16 48V lOOMA 123 oz 349g 38K42S $1350 V 13/16 L fl2cfl 0 Liji 48 volt airborne battery packs ire made top quality General Electric cells specifically engineered high vibration environments milliampere hour capacity rating conservative based hour rate whereas other manufacturers rate batteries 5 10 hour rate bench studies have found cells will consistently run 15 20% above rated capacity small airplane boom 100 ma packs offer lighter airborne weight smallersize special applica tions 500 ma pack gives quality high capacity pack ideal larger plane use Housed white plastic case easily disassembled cell replacement necessary NAME ADDRESS CITYSTATEZIPBOX 511EHILIL made 52 Over 200 safe landings made different clubs indicated although course challenging safe maps issued SOAR detailed De troit Dallas clubs results indi cate did homework well July 19-20-2 1 Monday promptly 8 am Chris Adams launched Windsock first nearly 600 flights day its way tasks 2-minute precision 6-minute duration made choice within first minute after release three days contestant would fly four rounds task ninth round would used better either two tasks contestant would have declare task before launching ninth round contestant felt score good enough ninth round could passed Few did big difference between 1975 R/C Soaring Nationals 1976 windand enough body 1975 8-10 mph offered little trouble 22-30 mph second day year did make six-minute maxes chal lenging However Scaleall 12 entries flew mishaps event minor end second day record rain fell area third day bit soggyand rain still threat ened 190 contestantslargest crowd ever thermal soaring contest cooperated three days went scheduled first year three classes recognized Class 42 entries class B 57 class C 87 Scale 12 entries four flew Scale Contestants competed within respective classes awards separate tasks however scores combined Grand Champion award Rick Pearson flying Craft-Air Sail aire passed ninth round tried act relaxed others attempted wild card way Grand Champion slot failed Ricks 3480 points out possible 3680 gave him honors 1976 R/C Soaring Nationals Cham pion Some repeats year San Fer nando Yalley Silent Flyers Terry Koplan Rick Pearson Ken Wagner took home Open-age class trophies second year row SFVSFs Junior-Senior team Greg Smith Bill Elliott Jim Vanderzyl Rocket City Radio Con trollers Huntsville Alabama Scale Col Bob Thacker won second time years Baby Bowlus 391 points out pos sible 500 highest static judging Don Edbergs 350 flight points out 500 highest flying tasks Twenty-four states represented California nosing out Michigan 33 32 cate gory Five Canada first year five Mexico competed fourth year Lewis University let soaring fraternity have use facilities generosity helped make 76 R/C Nationals biggest best ever November1976 89 48V 500 MA 43 oz 1219g 38K46 0 Please send complete catalog Enclosed $100 refunded first order Add 850 1st class mail return add $100 handling other prders Soaring Nats/Pruss continued page 48 1 Langleys Model Aero Engine 1903 Robert Meyer Curator National Air & Space Museum Smithsonian Institution Illustrated orical Collectors Item $500 Cumberland Press 4926 Del Ray Avenue Bethesda Maryland 20014
Edition: Model Aviation - 1976/11
Page Numbers: 45, 46, 47, 48, 89
To Lockport Illinois July 17-21 came greatest crowd everi 90 contestants 7* Soaring Nationals attend 7th Annual running special attraction colorful Great Bicentennial RC Sailplane Race Dan Pruss Photos Jack Humphreys Don Helfers THE RACE will talked about years Most have praised event others still wondering allowed selves such endurance test Conceived last winter event 1 add new dimension R/C Soaring Nationals 2 provide task club/team competition 3 tie 1976 Bi centennial theme race accomplished basic rules simple team per AMA club object fly crosscountry course 76 kilometers 472 miles same ship Land times necessary provide own launch equipment lowest tojal elapsed time would determine winner July 17 weather event director Neil Liptak controlled fore cast Skies scattered clouds winds northwest 8 mph temperatures near 80 degrees Perfect As call pilots briefing nounced what simulated cannon shot heard Suds City Soaring Team Milwaukee marched cars team sailplane Maestro fact pilot Larry DAttilio musician Milwaukee Symphony nothing plane selection However cannon shot plane didnt draw attention revolu tionary period three-cornered hats did Top From Mexico City Mario Fernandez L Fred Zoller best original-design win ning Ulumcan~ Its all-up weight 38 oz Below failing ROG attempt Rob Thackers Baby Bowlus won scale first second year row also won first AMA Nationals After short briefing judging took place select patriotic plane planes bore patriotic theme red white blue color schemeanother basic requirement entry SOAR provided initial launch winches strung 300 meters linethe same maximum limit al lowed contestants subsequent launches clubs drawn lottery fashion starting sequence Rules Right Launching Aquila-XL Gordon Pear sonkit Lee Renaud/Airtronicsas Lee Re naud salutes Carol Seydec monitors winch P1Name & State 11 Koplan CA 2S Hinman CA 3M Smith CA 10 Edberg CA 2A Clark AL 3C Tuthill TN 1R Robinson MI 2R Pearson CA 3L Payne TX ClSailplane AWindrifter AWindfree AWindfree BAquila BAquila BAqoila CGrand Esprit CSailaire CLegionaire I-Miejto Duration 1K Wagner CA 2E Podzielinski IN 3W Tiabrt MI 1R Hayes IN 20 Edheog CA 3W Plobr OH 1R Pearson CA 2G James IN 30 Halley CT AWindrifter AOsprey AWindfree BAqaila BAqaila BAquila CSailaire CAstrtJtff CMoestre Best Overall Grand Champ 1R Pearson CACSellout 20 Holley CTCManstre 30 Edberg CABAquila Best Junior-Senior 1J Vanderzyl ALCChallenger 2J Mrlik MlCAstro Jeff 3G Smith ALCCirrus Scale P1Name & State 1R Thacker CA 20 Edbnrg CA 3K Wagner CA Sailplane Baby Bombs Ouster Libelle StaticFlight 391251 266350 349247 gest Original Design Ulumcan Find ZullerMenico technical Achievement Releasable Tow Honk Oob GillIL Felin Pannlewski Award Gino SmithAL DistanceModel/No Launches Time Greater Detroit Soaring Hiking Society 76 Km472 Miles Astro Jeff/14 4 Hrs 12 Mm Dallas League Silent Flight 76 Km472 Miles tegionntte/30 6 Hrs. 07 Mm Mansee Sky Chiefs Km4i2 MilesPokey 806/526 Hro 00 Mis Silent Drdnr Aeromodling Radio 76 Km4i2 Miles Aqoila X-L/36 B Hrs. 21 Mis finishing St Lovis Eagles South Bay Soaring So ciety Harris Hill Lift Over Drag Women National Glider Soaring Sods City Reckland County RC Club Redwood Silent Flyers Michigan RC Society San Fernando Valley Silent Flyers sun shining through silk dope covering Max Geiers beautiful Grunau Baby passes overheada scratch-built scale job again simple number Pointscalled could launch pass 1732passed would called until iiithe clubs after given chance 1667launch sequence call-up done 1713twice passed open 1709winch could launch whenever felt 1661the time right 1690 1662 clubs time event began 1661moment hook-up towline flier launched landed launch ing site could relaunch however 1632time continued run 1460 904 am Tom Christian Red1400 1724wood Silent Flyers California Jack 1570Alten launched Legionaire open1473ing flight Right behind 908 1798the Greater Detroit Soaring Hiking 1661Society GDS&HS launching Free 1660as Bird Astro-Jeff piloted Jeff Mrlik Warren Tiahrt 3460 quarter-mile-square sod farm 3327teams Californiathere three 3263Wisconsin Texas Michigan New York Indiana Missouri Illinois launching waiting out strategies 3169varied launch go take what 3117 2921can wait out let morning air warm up should noted phenome Total ptanon m area during July August 642especiallyit no doubt occurs elsewhere 636has nicknamed noon balloon 596As morning air warms some spotty lift experienced until about 10 am Somewhere between 1000 12noon lift area vast large mushroom rising air suddenly generating over earth seems mature about hours time producing very generous lift breaking loose chance attitude remainder day lift lower altitudes can spotty long flights usually challenging As other clubs launched SO AR club elected wait out 916 GDS&HS relaunched 13 miles course half-mile later ground relaunch again made 932 am making fifth start having covered four miles few minutes earlier Dallas League Silent Flights entrya ioo Legionaire launched flown Lemon Payne 934 am St Louis Eagles Dont Tread Astro-Jeff cov ered 23 miles fourth launch made Bob Gill stick San Fernando Valley Silent Flyers team watched club 46 Model Aviation Bicentennial Race Results Standings 2-Mitaite Precision originated Desert Dash 20-mile cross-country trek held second time year experience would no doubt valuable Practice plan did Flier Pat Potega probably enthusiastic event pre-race interest indicator SFVSFs entry original design bore motto Unity Through Diversity launched 1022 something went wrong plane erratic after tow release Potega made desperate effort land safely last moment wing tip caught ground ship ruined An eleva tor control blamed accident months hard efforts met abrupt cli max within few seconds However four days later SFVSFs would walk proud ly silver awards other club Two clubs still waiting green air 1045 Gil Rifkin New York launched Rockland County R/C Clubs entry Dont Tread bannered modified Aquila 1055 SOAR Jack Hiner launched Aquila X-L No lift found plane landed going Jack Nielsen scribe motoring along course check progress other clubs ingenuity modelers evident Winches mounted back pick-up trucks histarts reels affixed tops station-wagons quick retrieval pick-up trucks fitted everything lawn chairs stuffed easy chairs accommodate fliers Dallas club convertible Lemon Payne Tom Williams flying sitting top rear seat focal point ticker-tape parade almost qualified 1015 course begun take its toll disheartened crew Suds City fliers met going back check-in after 7 miles completed Maestro damaged during landing hit sign post Ironically sign said pass care Dick Pike Elmira met good-spirited crew refreshing themselves pondering over what could have totaled Hobie Hawk laid shambles just short 14-mile mark telephone pole terminated flight Dick Shilling lending support WINGS seen providing launches Barbara Henon Margaret Gill WINGS soaring organization women motto have yet begun fight Just short 13 miles original design damaged forced withdfaw race Earlier morning Dallas club support Carrol Moffatt wife seen making excellent time southern course second leg cross-country southerly its 12 miles fliers could take advantage slight tail wind As Jeff Mrlik Warren Tiahrt did hour 18 minutes before landed after launching ninth time 957 over 17 miles covered later proved longest dis tance club However two minutes after 176 accomplished Mrlik Tiahrt flew another hour eight November1976 47 Left Buck Zehr Cirrus 61 oldest entranthes building models 51 years Above Don Thermal Sniffer Clark 10-foot modified Kurwi Class 42 entries B 57 C 87 Scale attracted 12 entries Don Endberg Duster second-place Scale entry took second B Duration first B precision third Grand Champ Below Suds City team entry Bicenten nial Race winner patriotic theme race entries required have red white blue patriotic theme 1976 RC Soaring Nats minutes distance 131 miles time far ahead closest competition others checking progress fliers thought Detroit crew run diffi culties went back check-in area As Nielsen came upon Detroit club understood what part rea son teams progress elder Mrlik Jerry driving station wagon Earl Pell Dave Corven winch operators Jeff would launch find lift get high Warren Tiahrt would take over Both Jeff Warren would sit closed tail gate window open follow plane course As lift died Warren would try stretch flight luck trying eke out short extra distance prior planning safe landing zones color coded Nats issued map Commit ting himself charted landing zones Tiahrt would set up approach During time Jeff would take end Left Winning Open Team Ito R T Koplan K Wagner R Pearson Below 1 Col R Thacker Scale first Below R R Pearson Grand Champ Right Winning Jr-Sr Team R J Vanderezl G Smith W Elliott tow line stand adjacent Tiahrt Jerry would drive down course paying out 300 meters line Pell Cor yen monitored winch time Tiahrt retrieving plane hooking up Because exceptionally strong wing Astro-Jeff pulsing winch wasnt necessary during race Actuate switch launch release retrieve line Back wagon up pick up fliers log sheet shows se quence usually done two minutes less wasnt team chestra concert Back start-finish line field stirring possibility early finish least club 120 pm Free Bird crossed finish line having flown 76 kilome ters using 14 launches incredible elapsed time 4 hours 12 minutes Second cross Dallas League Si lent flight 6 hours 07 minutes Munsee Sky Chiefs proved course generous landing areas continued page 89 Above Big contests always attract people youd like meet Cecil Haga winning design Legionaire 100rudder eleva tor spoilers towhook release Right Launching Legionaire Larry OAttilio winches Art Earl Kleinfeldt Eleven-year-old Frank Foster Jr transmit ter Dad Frank Sr. works winch three days contestant flew tour rounds taskgth round used better either two tasks Few passed 9th round QL9 7 13/16 L 48V 100 MA 123 oz 349g 38K42F $1350 E NEW BATTERY f: 1 3/160 K i3/16 48V lOOMA 123 oz 349g 38K42S $1350 V 13/16 L fl2cfl 0 Liji 48 volt airborne battery packs ire made top quality General Electric cells specifically engineered high vibration environments milliampere hour capacity rating conservative based hour rate whereas other manufacturers rate batteries 5 10 hour rate bench studies have found cells will consistently run 15 20% above rated capacity small airplane boom 100 ma packs offer lighter airborne weight smallersize special applica tions 500 ma pack gives quality high capacity pack ideal larger plane use Housed white plastic case easily disassembled cell replacement necessary NAME ADDRESS CITYSTATEZIPBOX 511EHILIL made 52 Over 200 safe landings made different clubs indicated although course challenging safe maps issued SOAR detailed De troit Dallas clubs results indi cate did homework well July 19-20-2 1 Monday promptly 8 am Chris Adams launched Windsock first nearly 600 flights day its way tasks 2-minute precision 6-minute duration made choice within first minute after release three days contestant would fly four rounds task ninth round would used better either two tasks contestant would have declare task before launching ninth round contestant felt score good enough ninth round could passed Few did big difference between 1975 R/C Soaring Nationals 1976 windand enough body 1975 8-10 mph offered little trouble 22-30 mph second day year did make six-minute maxes chal lenging However Scaleall 12 entries flew mishaps event minor end second day record rain fell area third day bit soggyand rain still threat ened 190 contestantslargest crowd ever thermal soaring contest cooperated three days went scheduled first year three classes recognized Class 42 entries class B 57 class C 87 Scale 12 entries four flew Scale Contestants competed within respective classes awards separate tasks however scores combined Grand Champion award Rick Pearson flying Craft-Air Sail aire passed ninth round tried act relaxed others attempted wild card way Grand Champion slot failed Ricks 3480 points out possible 3680 gave him honors 1976 R/C Soaring Nationals Cham pion Some repeats year San Fer nando Yalley Silent Flyers Terry Koplan Rick Pearson Ken Wagner took home Open-age class trophies second year row SFVSFs Junior-Senior team Greg Smith Bill Elliott Jim Vanderzyl Rocket City Radio Con trollers Huntsville Alabama Scale Col Bob Thacker won second time years Baby Bowlus 391 points out pos sible 500 highest static judging Don Edbergs 350 flight points out 500 highest flying tasks Twenty-four states represented California nosing out Michigan 33 32 cate gory Five Canada first year five Mexico competed fourth year Lewis University let soaring fraternity have use facilities generosity helped make 76 R/C Nationals biggest best ever November1976 89 48V 500 MA 43 oz 1219g 38K46 0 Please send complete catalog Enclosed $100 refunded first order Add 850 1st class mail return add $100 handling other prders Soaring Nats/Pruss continued page 48 1 Langleys Model Aero Engine 1903 Robert Meyer Curator National Air & Space Museum Smithsonian Institution Illustrated orical Collectors Item $500 Cumberland Press 4926 Del Ray Avenue Bethesda Maryland 20014
Edition: Model Aviation - 1976/11
Page Numbers: 45, 46, 47, 48, 89
To Lockport Illinois July 17-21 came greatest crowd everi 90 contestants 7* Soaring Nationals attend 7th Annual running special attraction colorful Great Bicentennial RC Sailplane Race Dan Pruss Photos Jack Humphreys Don Helfers THE RACE will talked about years Most have praised event others still wondering allowed selves such endurance test Conceived last winter event 1 add new dimension R/C Soaring Nationals 2 provide task club/team competition 3 tie 1976 Bi centennial theme race accomplished basic rules simple team per AMA club object fly crosscountry course 76 kilometers 472 miles same ship Land times necessary provide own launch equipment lowest tojal elapsed time would determine winner July 17 weather event director Neil Liptak controlled fore cast Skies scattered clouds winds northwest 8 mph temperatures near 80 degrees Perfect As call pilots briefing nounced what simulated cannon shot heard Suds City Soaring Team Milwaukee marched cars team sailplane Maestro fact pilot Larry DAttilio musician Milwaukee Symphony nothing plane selection However cannon shot plane didnt draw attention revolu tionary period three-cornered hats did Top From Mexico City Mario Fernandez L Fred Zoller best original-design win ning Ulumcan~ Its all-up weight 38 oz Below failing ROG attempt Rob Thackers Baby Bowlus won scale first second year row also won first AMA Nationals After short briefing judging took place select patriotic plane planes bore patriotic theme red white blue color schemeanother basic requirement entry SOAR provided initial launch winches strung 300 meters linethe same maximum limit al lowed contestants subsequent launches clubs drawn lottery fashion starting sequence Rules Right Launching Aquila-XL Gordon Pear sonkit Lee Renaud/Airtronicsas Lee Re naud salutes Carol Seydec monitors winch P1Name & State 11 Koplan CA 2S Hinman CA 3M Smith CA 10 Edberg CA 2A Clark AL 3C Tuthill TN 1R Robinson MI 2R Pearson CA 3L Payne TX ClSailplane AWindrifter AWindfree AWindfree BAquila BAquila BAqoila CGrand Esprit CSailaire CLegionaire I-Miejto Duration 1K Wagner CA 2E Podzielinski IN 3W Tiabrt MI 1R Hayes IN 20 Edheog CA 3W Plobr OH 1R Pearson CA 2G James IN 30 Halley CT AWindrifter AOsprey AWindfree BAqaila BAqaila BAquila CSailaire CAstrtJtff CMoestre Best Overall Grand Champ 1R Pearson CACSellout 20 Holley CTCManstre 30 Edberg CABAquila Best Junior-Senior 1J Vanderzyl ALCChallenger 2J Mrlik MlCAstro Jeff 3G Smith ALCCirrus Scale P1Name & State 1R Thacker CA 20 Edbnrg CA 3K Wagner CA Sailplane Baby Bombs Ouster Libelle StaticFlight 391251 266350 349247 gest Original Design Ulumcan Find ZullerMenico technical Achievement Releasable Tow Honk Oob GillIL Felin Pannlewski Award Gino SmithAL DistanceModel/No Launches Time Greater Detroit Soaring Hiking Society 76 Km472 Miles Astro Jeff/14 4 Hrs 12 Mm Dallas League Silent Flight 76 Km472 Miles tegionntte/30 6 Hrs. 07 Mm Mansee Sky Chiefs Km4i2 MilesPokey 806/526 Hro 00 Mis Silent Drdnr Aeromodling Radio 76 Km4i2 Miles Aqoila X-L/36 B Hrs. 21 Mis finishing St Lovis Eagles South Bay Soaring So ciety Harris Hill Lift Over Drag Women National Glider Soaring Sods City Reckland County RC Club Redwood Silent Flyers Michigan RC Society San Fernando Valley Silent Flyers sun shining through silk dope covering Max Geiers beautiful Grunau Baby passes overheada scratch-built scale job again simple number Pointscalled could launch pass 1732passed would called until iiithe clubs after given chance 1667launch sequence call-up done 1713twice passed open 1709winch could launch whenever felt 1661the time right 1690 1662 clubs time event began 1661moment hook-up towline flier launched landed launch ing site could relaunch however 1632time continued run 1460 904 am Tom Christian Red1400 1724wood Silent Flyers California Jack 1570Alten launched Legionaire open1473ing flight Right behind 908 1798the Greater Detroit Soaring Hiking 1661Society GDS&HS launching Free 1660as Bird Astro-Jeff piloted Jeff Mrlik Warren Tiahrt 3460 quarter-mile-square sod farm 3327teams Californiathere three 3263Wisconsin Texas Michigan New York Indiana Missouri Illinois launching waiting out strategies 3169varied launch go take what 3117 2921can wait out let morning air warm up should noted phenome Total ptanon m area during July August 642especiallyit no doubt occurs elsewhere 636has nicknamed noon balloon 596As morning air warms some spotty lift experienced until about 10 am Somewhere between 1000 12noon lift area vast large mushroom rising air suddenly generating over earth seems mature about hours time producing very generous lift breaking loose chance attitude remainder day lift lower altitudes can spotty long flights usually challenging As other clubs launched SO AR club elected wait out 916 GDS&HS relaunched 13 miles course half-mile later ground relaunch again made 932 am making fifth start having covered four miles few minutes earlier Dallas League Silent Flights entrya ioo Legionaire launched flown Lemon Payne 934 am St Louis Eagles Dont Tread Astro-Jeff cov ered 23 miles fourth launch made Bob Gill stick San Fernando Valley Silent Flyers team watched club 46 Model Aviation Bicentennial Race Results Standings 2-Mitaite Precision originated Desert Dash 20-mile cross-country trek held second time year experience would no doubt valuable Practice plan did Flier Pat Potega probably enthusiastic event pre-race interest indicator SFVSFs entry original design bore motto Unity Through Diversity launched 1022 something went wrong plane erratic after tow release Potega made desperate effort land safely last moment wing tip caught ground ship ruined An eleva tor control blamed accident months hard efforts met abrupt cli max within few seconds However four days later SFVSFs would walk proud ly silver awards other club Two clubs still waiting green air 1045 Gil Rifkin New York launched Rockland County R/C Clubs entry Dont Tread bannered modified Aquila 1055 SOAR Jack Hiner launched Aquila X-L No lift found plane landed going Jack Nielsen scribe motoring along course check progress other clubs ingenuity modelers evident Winches mounted back pick-up trucks histarts reels affixed tops station-wagons quick retrieval pick-up trucks fitted everything lawn chairs stuffed easy chairs accommodate fliers Dallas club convertible Lemon Payne Tom Williams flying sitting top rear seat focal point ticker-tape parade almost qualified 1015 course begun take its toll disheartened crew Suds City fliers met going back check-in after 7 miles completed Maestro damaged during landing hit sign post Ironically sign said pass care Dick Pike Elmira met good-spirited crew refreshing themselves pondering over what could have totaled Hobie Hawk laid shambles just short 14-mile mark telephone pole terminated flight Dick Shilling lending support WINGS seen providing launches Barbara Henon Margaret Gill WINGS soaring organization women motto have yet begun fight Just short 13 miles original design damaged forced withdfaw race Earlier morning Dallas club support Carrol Moffatt wife seen making excellent time southern course second leg cross-country southerly its 12 miles fliers could take advantage slight tail wind As Jeff Mrlik Warren Tiahrt did hour 18 minutes before landed after launching ninth time 957 over 17 miles covered later proved longest dis tance club However two minutes after 176 accomplished Mrlik Tiahrt flew another hour eight November1976 47 Left Buck Zehr Cirrus 61 oldest entranthes building models 51 years Above Don Thermal Sniffer Clark 10-foot modified Kurwi Class 42 entries B 57 C 87 Scale attracted 12 entries Don Endberg Duster second-place Scale entry took second B Duration first B precision third Grand Champ Below Suds City team entry Bicenten nial Race winner patriotic theme race entries required have red white blue patriotic theme 1976 RC Soaring Nats minutes distance 131 miles time far ahead closest competition others checking progress fliers thought Detroit crew run diffi culties went back check-in area As Nielsen came upon Detroit club understood what part rea son teams progress elder Mrlik Jerry driving station wagon Earl Pell Dave Corven winch operators Jeff would launch find lift get high Warren Tiahrt would take over Both Jeff Warren would sit closed tail gate window open follow plane course As lift died Warren would try stretch flight luck trying eke out short extra distance prior planning safe landing zones color coded Nats issued map Commit ting himself charted landing zones Tiahrt would set up approach During time Jeff would take end Left Winning Open Team Ito R T Koplan K Wagner R Pearson Below 1 Col R Thacker Scale first Below R R Pearson Grand Champ Right Winning Jr-Sr Team R J Vanderezl G Smith W Elliott tow line stand adjacent Tiahrt Jerry would drive down course paying out 300 meters line Pell Cor yen monitored winch time Tiahrt retrieving plane hooking up Because exceptionally strong wing Astro-Jeff pulsing winch wasnt necessary during race Actuate switch launch release retrieve line Back wagon up pick up fliers log sheet shows se quence usually done two minutes less wasnt team chestra concert Back start-finish line field stirring possibility early finish least club 120 pm Free Bird crossed finish line having flown 76 kilome ters using 14 launches incredible elapsed time 4 hours 12 minutes Second cross Dallas League Si lent flight 6 hours 07 minutes Munsee Sky Chiefs proved course generous landing areas continued page 89 Above Big contests always attract people youd like meet Cecil Haga winning design Legionaire 100rudder eleva tor spoilers towhook release Right Launching Legionaire Larry OAttilio winches Art Earl Kleinfeldt Eleven-year-old Frank Foster Jr transmit ter Dad Frank Sr. works winch three days contestant flew tour rounds taskgth round used better either two tasks Few passed 9th round QL9 7 13/16 L 48V 100 MA 123 oz 349g 38K42F $1350 E NEW BATTERY f: 1 3/160 K i3/16 48V lOOMA 123 oz 349g 38K42S $1350 V 13/16 L fl2cfl 0 Liji 48 volt airborne battery packs ire made top quality General Electric cells specifically engineered high vibration environments milliampere hour capacity rating conservative based hour rate whereas other manufacturers rate batteries 5 10 hour rate bench studies have found cells will consistently run 15 20% above rated capacity small airplane boom 100 ma packs offer lighter airborne weight smallersize special applica tions 500 ma pack gives quality high capacity pack ideal larger plane use Housed white plastic case easily disassembled cell replacement necessary NAME ADDRESS CITYSTATEZIPBOX 511EHILIL made 52 Over 200 safe landings made different clubs indicated although course challenging safe maps issued SOAR detailed De troit Dallas clubs results indi cate did homework well July 19-20-2 1 Monday promptly 8 am Chris Adams launched Windsock first nearly 600 flights day its way tasks 2-minute precision 6-minute duration made choice within first minute after release three days contestant would fly four rounds task ninth round would used better either two tasks contestant would have declare task before launching ninth round contestant felt score good enough ninth round could passed Few did big difference between 1975 R/C Soaring Nationals 1976 windand enough body 1975 8-10 mph offered little trouble 22-30 mph second day year did make six-minute maxes chal lenging However Scaleall 12 entries flew mishaps event minor end second day record rain fell area third day bit soggyand rain still threat ened 190 contestantslargest crowd ever thermal soaring contest cooperated three days went scheduled first year three classes recognized Class 42 entries class B 57 class C 87 Scale 12 entries four flew Scale Contestants competed within respective classes awards separate tasks however scores combined Grand Champion award Rick Pearson flying Craft-Air Sail aire passed ninth round tried act relaxed others attempted wild card way Grand Champion slot failed Ricks 3480 points out possible 3680 gave him honors 1976 R/C Soaring Nationals Cham pion Some repeats year San Fer nando Yalley Silent Flyers Terry Koplan Rick Pearson Ken Wagner took home Open-age class trophies second year row SFVSFs Junior-Senior team Greg Smith Bill Elliott Jim Vanderzyl Rocket City Radio Con trollers Huntsville Alabama Scale Col Bob Thacker won second time years Baby Bowlus 391 points out pos sible 500 highest static judging Don Edbergs 350 flight points out 500 highest flying tasks Twenty-four states represented California nosing out Michigan 33 32 cate gory Five Canada first year five Mexico competed fourth year Lewis University let soaring fraternity have use facilities generosity helped make 76 R/C Nationals biggest best ever November1976 89 48V 500 MA 43 oz 1219g 38K46 0 Please send complete catalog Enclosed $100 refunded first order Add 850 1st class mail return add $100 handling other prders Soaring Nats/Pruss continued page 48 1 Langleys Model Aero Engine 1903 Robert Meyer Curator National Air & Space Museum Smithsonian Institution Illustrated orical Collectors Item $500 Cumberland Press 4926 Del Ray Avenue Bethesda Maryland 20014
Edition: Model Aviation - 1976/11
Page Numbers: 45, 46, 47, 48, 89
To Lockport Illinois July 17-21 came greatest crowd everi 90 contestants 7* Soaring Nationals attend 7th Annual running special attraction colorful Great Bicentennial RC Sailplane Race Dan Pruss Photos Jack Humphreys Don Helfers THE RACE will talked about years Most have praised event others still wondering allowed selves such endurance test Conceived last winter event 1 add new dimension R/C Soaring Nationals 2 provide task club/team competition 3 tie 1976 Bi centennial theme race accomplished basic rules simple team per AMA club object fly crosscountry course 76 kilometers 472 miles same ship Land times necessary provide own launch equipment lowest tojal elapsed time would determine winner July 17 weather event director Neil Liptak controlled fore cast Skies scattered clouds winds northwest 8 mph temperatures near 80 degrees Perfect As call pilots briefing nounced what simulated cannon shot heard Suds City Soaring Team Milwaukee marched cars team sailplane Maestro fact pilot Larry DAttilio musician Milwaukee Symphony nothing plane selection However cannon shot plane didnt draw attention revolu tionary period three-cornered hats did Top From Mexico City Mario Fernandez L Fred Zoller best original-design win ning Ulumcan~ Its all-up weight 38 oz Below failing ROG attempt Rob Thackers Baby Bowlus won scale first second year row also won first AMA Nationals After short briefing judging took place select patriotic plane planes bore patriotic theme red white blue color schemeanother basic requirement entry SOAR provided initial launch winches strung 300 meters linethe same maximum limit al lowed contestants subsequent launches clubs drawn lottery fashion starting sequence Rules Right Launching Aquila-XL Gordon Pear sonkit Lee Renaud/Airtronicsas Lee Re naud salutes Carol Seydec monitors winch P1Name & State 11 Koplan CA 2S Hinman CA 3M Smith CA 10 Edberg CA 2A Clark AL 3C Tuthill TN 1R Robinson MI 2R Pearson CA 3L Payne TX ClSailplane AWindrifter AWindfree AWindfree BAquila BAquila BAqoila CGrand Esprit CSailaire CLegionaire I-Miejto Duration 1K Wagner CA 2E Podzielinski IN 3W Tiabrt MI 1R Hayes IN 20 Edheog CA 3W Plobr OH 1R Pearson CA 2G James IN 30 Halley CT AWindrifter AOsprey AWindfree BAqaila BAqaila BAquila CSailaire CAstrtJtff CMoestre Best Overall Grand Champ 1R Pearson CACSellout 20 Holley CTCManstre 30 Edberg CABAquila Best Junior-Senior 1J Vanderzyl ALCChallenger 2J Mrlik MlCAstro Jeff 3G Smith ALCCirrus Scale P1Name & State 1R Thacker CA 20 Edbnrg CA 3K Wagner CA Sailplane Baby Bombs Ouster Libelle StaticFlight 391251 266350 349247 gest Original Design Ulumcan Find ZullerMenico technical Achievement Releasable Tow Honk Oob GillIL Felin Pannlewski Award Gino SmithAL DistanceModel/No Launches Time Greater Detroit Soaring Hiking Society 76 Km472 Miles Astro Jeff/14 4 Hrs 12 Mm Dallas League Silent Flight 76 Km472 Miles tegionntte/30 6 Hrs. 07 Mm Mansee Sky Chiefs Km4i2 MilesPokey 806/526 Hro 00 Mis Silent Drdnr Aeromodling Radio 76 Km4i2 Miles Aqoila X-L/36 B Hrs. 21 Mis finishing St Lovis Eagles South Bay Soaring So ciety Harris Hill Lift Over Drag Women National Glider Soaring Sods City Reckland County RC Club Redwood Silent Flyers Michigan RC Society San Fernando Valley Silent Flyers sun shining through silk dope covering Max Geiers beautiful Grunau Baby passes overheada scratch-built scale job again simple number Pointscalled could launch pass 1732passed would called until iiithe clubs after given chance 1667launch sequence call-up done 1713twice passed open 1709winch could launch whenever felt 1661the time right 1690 1662 clubs time event began 1661moment hook-up towline flier launched landed launch ing site could relaunch however 1632time continued run 1460 904 am Tom Christian Red1400 1724wood Silent Flyers California Jack 1570Alten launched Legionaire open1473ing flight Right behind 908 1798the Greater Detroit Soaring Hiking 1661Society GDS&HS launching Free 1660as Bird Astro-Jeff piloted Jeff Mrlik Warren Tiahrt 3460 quarter-mile-square sod farm 3327teams Californiathere three 3263Wisconsin Texas Michigan New York Indiana Missouri Illinois launching waiting out strategies 3169varied launch go take what 3117 2921can wait out let morning air warm up should noted phenome Total ptanon m area during July August 642especiallyit no doubt occurs elsewhere 636has nicknamed noon balloon 596As morning air warms some spotty lift experienced until about 10 am Somewhere between 1000 12noon lift area vast large mushroom rising air suddenly generating over earth seems mature about hours time producing very generous lift breaking loose chance attitude remainder day lift lower altitudes can spotty long flights usually challenging As other clubs launched SO AR club elected wait out 916 GDS&HS relaunched 13 miles course half-mile later ground relaunch again made 932 am making fifth start having covered four miles few minutes earlier Dallas League Silent Flights entrya ioo Legionaire launched flown Lemon Payne 934 am St Louis Eagles Dont Tread Astro-Jeff cov ered 23 miles fourth launch made Bob Gill stick San Fernando Valley Silent Flyers team watched club 46 Model Aviation Bicentennial Race Results Standings 2-Mitaite Precision originated Desert Dash 20-mile cross-country trek held second time year experience would no doubt valuable Practice plan did Flier Pat Potega probably enthusiastic event pre-race interest indicator SFVSFs entry original design bore motto Unity Through Diversity launched 1022 something went wrong plane erratic after tow release Potega made desperate effort land safely last moment wing tip caught ground ship ruined An eleva tor control blamed accident months hard efforts met abrupt cli max within few seconds However four days later SFVSFs would walk proud ly silver awards other club Two clubs still waiting green air 1045 Gil Rifkin New York launched Rockland County R/C Clubs entry Dont Tread bannered modified Aquila 1055 SOAR Jack Hiner launched Aquila X-L No lift found plane landed going Jack Nielsen scribe motoring along course check progress other clubs ingenuity modelers evident Winches mounted back pick-up trucks histarts reels affixed tops station-wagons quick retrieval pick-up trucks fitted everything lawn chairs stuffed easy chairs accommodate fliers Dallas club convertible Lemon Payne Tom Williams flying sitting top rear seat focal point ticker-tape parade almost qualified 1015 course begun take its toll disheartened crew Suds City fliers met going back check-in after 7 miles completed Maestro damaged during landing hit sign post Ironically sign said pass care Dick Pike Elmira met good-spirited crew refreshing themselves pondering over what could have totaled Hobie Hawk laid shambles just short 14-mile mark telephone pole terminated flight Dick Shilling lending support WINGS seen providing launches Barbara Henon Margaret Gill WINGS soaring organization women motto have yet begun fight Just short 13 miles original design damaged forced withdfaw race Earlier morning Dallas club support Carrol Moffatt wife seen making excellent time southern course second leg cross-country southerly its 12 miles fliers could take advantage slight tail wind As Jeff Mrlik Warren Tiahrt did hour 18 minutes before landed after launching ninth time 957 over 17 miles covered later proved longest dis tance club However two minutes after 176 accomplished Mrlik Tiahrt flew another hour eight November1976 47 Left Buck Zehr Cirrus 61 oldest entranthes building models 51 years Above Don Thermal Sniffer Clark 10-foot modified Kurwi Class 42 entries B 57 C 87 Scale attracted 12 entries Don Endberg Duster second-place Scale entry took second B Duration first B precision third Grand Champ Below Suds City team entry Bicenten nial Race winner patriotic theme race entries required have red white blue patriotic theme 1976 RC Soaring Nats minutes distance 131 miles time far ahead closest competition others checking progress fliers thought Detroit crew run diffi culties went back check-in area As Nielsen came upon Detroit club understood what part rea son teams progress elder Mrlik Jerry driving station wagon Earl Pell Dave Corven winch operators Jeff would launch find lift get high Warren Tiahrt would take over Both Jeff Warren would sit closed tail gate window open follow plane course As lift died Warren would try stretch flight luck trying eke out short extra distance prior planning safe landing zones color coded Nats issued map Commit ting himself charted landing zones Tiahrt would set up approach During time Jeff would take end Left Winning Open Team Ito R T Koplan K Wagner R Pearson Below 1 Col R Thacker Scale first Below R R Pearson Grand Champ Right Winning Jr-Sr Team R J Vanderezl G Smith W Elliott tow line stand adjacent Tiahrt Jerry would drive down course paying out 300 meters line Pell Cor yen monitored winch time Tiahrt retrieving plane hooking up Because exceptionally strong wing Astro-Jeff pulsing winch wasnt necessary during race Actuate switch launch release retrieve line Back wagon up pick up fliers log sheet shows se quence usually done two minutes less wasnt team chestra concert Back start-finish line field stirring possibility early finish least club 120 pm Free Bird crossed finish line having flown 76 kilome ters using 14 launches incredible elapsed time 4 hours 12 minutes Second cross Dallas League Si lent flight 6 hours 07 minutes Munsee Sky Chiefs proved course generous landing areas continued page 89 Above Big contests always attract people youd like meet Cecil Haga winning design Legionaire 100rudder eleva tor spoilers towhook release Right Launching Legionaire Larry OAttilio winches Art Earl Kleinfeldt Eleven-year-old Frank Foster Jr transmit ter Dad Frank Sr. works winch three days contestant flew tour rounds taskgth round used better either two tasks Few passed 9th round QL9 7 13/16 L 48V 100 MA 123 oz 349g 38K42F $1350 E NEW BATTERY f: 1 3/160 K i3/16 48V lOOMA 123 oz 349g 38K42S $1350 V 13/16 L fl2cfl 0 Liji 48 volt airborne battery packs ire made top quality General Electric cells specifically engineered high vibration environments milliampere hour capacity rating conservative based hour rate whereas other manufacturers rate batteries 5 10 hour rate bench studies have found cells will consistently run 15 20% above rated capacity small airplane boom 100 ma packs offer lighter airborne weight smallersize special applica tions 500 ma pack gives quality high capacity pack ideal larger plane use Housed white plastic case easily disassembled cell replacement necessary NAME ADDRESS CITYSTATEZIPBOX 511EHILIL made 52 Over 200 safe landings made different clubs indicated although course challenging safe maps issued SOAR detailed De troit Dallas clubs results indi cate did homework well July 19-20-2 1 Monday promptly 8 am Chris Adams launched Windsock first nearly 600 flights day its way tasks 2-minute precision 6-minute duration made choice within first minute after release three days contestant would fly four rounds task ninth round would used better either two tasks contestant would have declare task before launching ninth round contestant felt score good enough ninth round could passed Few did big difference between 1975 R/C Soaring Nationals 1976 windand enough body 1975 8-10 mph offered little trouble 22-30 mph second day year did make six-minute maxes chal lenging However Scaleall 12 entries flew mishaps event minor end second day record rain fell area third day bit soggyand rain still threat ened 190 contestantslargest crowd ever thermal soaring contest cooperated three days went scheduled first year three classes recognized Class 42 entries class B 57 class C 87 Scale 12 entries four flew Scale Contestants competed within respective classes awards separate tasks however scores combined Grand Champion award Rick Pearson flying Craft-Air Sail aire passed ninth round tried act relaxed others attempted wild card way Grand Champion slot failed Ricks 3480 points out possible 3680 gave him honors 1976 R/C Soaring Nationals Cham pion Some repeats year San Fer nando Yalley Silent Flyers Terry Koplan Rick Pearson Ken Wagner took home Open-age class trophies second year row SFVSFs Junior-Senior team Greg Smith Bill Elliott Jim Vanderzyl Rocket City Radio Con trollers Huntsville Alabama Scale Col Bob Thacker won second time years Baby Bowlus 391 points out pos sible 500 highest static judging Don Edbergs 350 flight points out 500 highest flying tasks Twenty-four states represented California nosing out Michigan 33 32 cate gory Five Canada first year five Mexico competed fourth year Lewis University let soaring fraternity have use facilities generosity helped make 76 R/C Nationals biggest best ever November1976 89 48V 500 MA 43 oz 1219g 38K46 0 Please send complete catalog Enclosed $100 refunded first order Add 850 1st class mail return add $100 handling other prders Soaring Nats/Pruss continued page 48 1 Langleys Model Aero Engine 1903 Robert Meyer Curator National Air & Space Museum Smithsonian Institution Illustrated orical Collectors Item $500 Cumberland Press 4926 Del Ray Avenue Bethesda Maryland 20014
Edition: Model Aviation - 1976/11
Page Numbers: 45, 46, 47, 48, 89
To Lockport Illinois July 17-21 came greatest crowd everi 90 contestants 7* Soaring Nationals attend 7th Annual running special attraction colorful Great Bicentennial RC Sailplane Race Dan Pruss Photos Jack Humphreys Don Helfers THE RACE will talked about years Most have praised event others still wondering allowed selves such endurance test Conceived last winter event 1 add new dimension R/C Soaring Nationals 2 provide task club/team competition 3 tie 1976 Bi centennial theme race accomplished basic rules simple team per AMA club object fly crosscountry course 76 kilometers 472 miles same ship Land times necessary provide own launch equipment lowest tojal elapsed time would determine winner July 17 weather event director Neil Liptak controlled fore cast Skies scattered clouds winds northwest 8 mph temperatures near 80 degrees Perfect As call pilots briefing nounced what simulated cannon shot heard Suds City Soaring Team Milwaukee marched cars team sailplane Maestro fact pilot Larry DAttilio musician Milwaukee Symphony nothing plane selection However cannon shot plane didnt draw attention revolu tionary period three-cornered hats did Top From Mexico City Mario Fernandez L Fred Zoller best original-design win ning Ulumcan~ Its all-up weight 38 oz Below failing ROG attempt Rob Thackers Baby Bowlus won scale first second year row also won first AMA Nationals After short briefing judging took place select patriotic plane planes bore patriotic theme red white blue color schemeanother basic requirement entry SOAR provided initial launch winches strung 300 meters linethe same maximum limit al lowed contestants subsequent launches clubs drawn lottery fashion starting sequence Rules Right Launching Aquila-XL Gordon Pear sonkit Lee Renaud/Airtronicsas Lee Re naud salutes Carol Seydec monitors winch P1Name & State 11 Koplan CA 2S Hinman CA 3M Smith CA 10 Edberg CA 2A Clark AL 3C Tuthill TN 1R Robinson MI 2R Pearson CA 3L Payne TX ClSailplane AWindrifter AWindfree AWindfree BAquila BAquila BAqoila CGrand Esprit CSailaire CLegionaire I-Miejto Duration 1K Wagner CA 2E Podzielinski IN 3W Tiabrt MI 1R Hayes IN 20 Edheog CA 3W Plobr OH 1R Pearson CA 2G James IN 30 Halley CT AWindrifter AOsprey AWindfree BAqaila BAqaila BAquila CSailaire CAstrtJtff CMoestre Best Overall Grand Champ 1R Pearson CACSellout 20 Holley CTCManstre 30 Edberg CABAquila Best Junior-Senior 1J Vanderzyl ALCChallenger 2J Mrlik MlCAstro Jeff 3G Smith ALCCirrus Scale P1Name & State 1R Thacker CA 20 Edbnrg CA 3K Wagner CA Sailplane Baby Bombs Ouster Libelle StaticFlight 391251 266350 349247 gest Original Design Ulumcan Find ZullerMenico technical Achievement Releasable Tow Honk Oob GillIL Felin Pannlewski Award Gino SmithAL DistanceModel/No Launches Time Greater Detroit Soaring Hiking Society 76 Km472 Miles Astro Jeff/14 4 Hrs 12 Mm Dallas League Silent Flight 76 Km472 Miles tegionntte/30 6 Hrs. 07 Mm Mansee Sky Chiefs Km4i2 MilesPokey 806/526 Hro 00 Mis Silent Drdnr Aeromodling Radio 76 Km4i2 Miles Aqoila X-L/36 B Hrs. 21 Mis finishing St Lovis Eagles South Bay Soaring So ciety Harris Hill Lift Over Drag Women National Glider Soaring Sods City Reckland County RC Club Redwood Silent Flyers Michigan RC Society San Fernando Valley Silent Flyers sun shining through silk dope covering Max Geiers beautiful Grunau Baby passes overheada scratch-built scale job again simple number Pointscalled could launch pass 1732passed would called until iiithe clubs after given chance 1667launch sequence call-up done 1713twice passed open 1709winch could launch whenever felt 1661the time right 1690 1662 clubs time event began 1661moment hook-up towline flier launched landed launch ing site could relaunch however 1632time continued run 1460 904 am Tom Christian Red1400 1724wood Silent Flyers California Jack 1570Alten launched Legionaire open1473ing flight Right behind 908 1798the Greater Detroit Soaring Hiking 1661Society GDS&HS launching Free 1660as Bird Astro-Jeff piloted Jeff Mrlik Warren Tiahrt 3460 quarter-mile-square sod farm 3327teams Californiathere three 3263Wisconsin Texas Michigan New York Indiana Missouri Illinois launching waiting out strategies 3169varied launch go take what 3117 2921can wait out let morning air warm up should noted phenome Total ptanon m area during July August 642especiallyit no doubt occurs elsewhere 636has nicknamed noon balloon 596As morning air warms some spotty lift experienced until about 10 am Somewhere between 1000 12noon lift area vast large mushroom rising air suddenly generating over earth seems mature about hours time producing very generous lift breaking loose chance attitude remainder day lift lower altitudes can spotty long flights usually challenging As other clubs launched SO AR club elected wait out 916 GDS&HS relaunched 13 miles course half-mile later ground relaunch again made 932 am making fifth start having covered four miles few minutes earlier Dallas League Silent Flights entrya ioo Legionaire launched flown Lemon Payne 934 am St Louis Eagles Dont Tread Astro-Jeff cov ered 23 miles fourth launch made Bob Gill stick San Fernando Valley Silent Flyers team watched club 46 Model Aviation Bicentennial Race Results Standings 2-Mitaite Precision originated Desert Dash 20-mile cross-country trek held second time year experience would no doubt valuable Practice plan did Flier Pat Potega probably enthusiastic event pre-race interest indicator SFVSFs entry original design bore motto Unity Through Diversity launched 1022 something went wrong plane erratic after tow release Potega made desperate effort land safely last moment wing tip caught ground ship ruined An eleva tor control blamed accident months hard efforts met abrupt cli max within few seconds However four days later SFVSFs would walk proud ly silver awards other club Two clubs still waiting green air 1045 Gil Rifkin New York launched Rockland County R/C Clubs entry Dont Tread bannered modified Aquila 1055 SOAR Jack Hiner launched Aquila X-L No lift found plane landed going Jack Nielsen scribe motoring along course check progress other clubs ingenuity modelers evident Winches mounted back pick-up trucks histarts reels affixed tops station-wagons quick retrieval pick-up trucks fitted everything lawn chairs stuffed easy chairs accommodate fliers Dallas club convertible Lemon Payne Tom Williams flying sitting top rear seat focal point ticker-tape parade almost qualified 1015 course begun take its toll disheartened crew Suds City fliers met going back check-in after 7 miles completed Maestro damaged during landing hit sign post Ironically sign said pass care Dick Pike Elmira met good-spirited crew refreshing themselves pondering over what could have totaled Hobie Hawk laid shambles just short 14-mile mark telephone pole terminated flight Dick Shilling lending support WINGS seen providing launches Barbara Henon Margaret Gill WINGS soaring organization women motto have yet begun fight Just short 13 miles original design damaged forced withdfaw race Earlier morning Dallas club support Carrol Moffatt wife seen making excellent time southern course second leg cross-country southerly its 12 miles fliers could take advantage slight tail wind As Jeff Mrlik Warren Tiahrt did hour 18 minutes before landed after launching ninth time 957 over 17 miles covered later proved longest dis tance club However two minutes after 176 accomplished Mrlik Tiahrt flew another hour eight November1976 47 Left Buck Zehr Cirrus 61 oldest entranthes building models 51 years Above Don Thermal Sniffer Clark 10-foot modified Kurwi Class 42 entries B 57 C 87 Scale attracted 12 entries Don Endberg Duster second-place Scale entry took second B Duration first B precision third Grand Champ Below Suds City team entry Bicenten nial Race winner patriotic theme race entries required have red white blue patriotic theme 1976 RC Soaring Nats minutes distance 131 miles time far ahead closest competition others checking progress fliers thought Detroit crew run diffi culties went back check-in area As Nielsen came upon Detroit club understood what part rea son teams progress elder Mrlik Jerry driving station wagon Earl Pell Dave Corven winch operators Jeff would launch find lift get high Warren Tiahrt would take over Both Jeff Warren would sit closed tail gate window open follow plane course As lift died Warren would try stretch flight luck trying eke out short extra distance prior planning safe landing zones color coded Nats issued map Commit ting himself charted landing zones Tiahrt would set up approach During time Jeff would take end Left Winning Open Team Ito R T Koplan K Wagner R Pearson Below 1 Col R Thacker Scale first Below R R Pearson Grand Champ Right Winning Jr-Sr Team R J Vanderezl G Smith W Elliott tow line stand adjacent Tiahrt Jerry would drive down course paying out 300 meters line Pell Cor yen monitored winch time Tiahrt retrieving plane hooking up Because exceptionally strong wing Astro-Jeff pulsing winch wasnt necessary during race Actuate switch launch release retrieve line Back wagon up pick up fliers log sheet shows se quence usually done two minutes less wasnt team chestra concert Back start-finish line field stirring possibility early finish least club 120 pm Free Bird crossed finish line having flown 76 kilome ters using 14 launches incredible elapsed time 4 hours 12 minutes Second cross Dallas League Si lent flight 6 hours 07 minutes Munsee Sky Chiefs proved course generous landing areas continued page 89 Above Big contests always attract people youd like meet Cecil Haga winning design Legionaire 100rudder eleva tor spoilers towhook release Right Launching Legionaire Larry OAttilio winches Art Earl Kleinfeldt Eleven-year-old Frank Foster Jr transmit ter Dad Frank Sr. works winch three days contestant flew tour rounds taskgth round used better either two tasks Few passed 9th round QL9 7 13/16 L 48V 100 MA 123 oz 349g 38K42F $1350 E NEW BATTERY f: 1 3/160 K i3/16 48V lOOMA 123 oz 349g 38K42S $1350 V 13/16 L fl2cfl 0 Liji 48 volt airborne battery packs ire made top quality General Electric cells specifically engineered high vibration environments milliampere hour capacity rating conservative based hour rate whereas other manufacturers rate batteries 5 10 hour rate bench studies have found cells will consistently run 15 20% above rated capacity small airplane boom 100 ma packs offer lighter airborne weight smallersize special applica tions 500 ma pack gives quality high capacity pack ideal larger plane use Housed white plastic case easily disassembled cell replacement necessary NAME ADDRESS CITYSTATEZIPBOX 511EHILIL made 52 Over 200 safe landings made different clubs indicated although course challenging safe maps issued SOAR detailed De troit Dallas clubs results indi cate did homework well July 19-20-2 1 Monday promptly 8 am Chris Adams launched Windsock first nearly 600 flights day its way tasks 2-minute precision 6-minute duration made choice within first minute after release three days contestant would fly four rounds task ninth round would used better either two tasks contestant would have declare task before launching ninth round contestant felt score good enough ninth round could passed Few did big difference between 1975 R/C Soaring Nationals 1976 windand enough body 1975 8-10 mph offered little trouble 22-30 mph second day year did make six-minute maxes chal lenging However Scaleall 12 entries flew mishaps event minor end second day record rain fell area third day bit soggyand rain still threat ened 190 contestantslargest crowd ever thermal soaring contest cooperated three days went scheduled first year three classes recognized Class 42 entries class B 57 class C 87 Scale 12 entries four flew Scale Contestants competed within respective classes awards separate tasks however scores combined Grand Champion award Rick Pearson flying Craft-Air Sail aire passed ninth round tried act relaxed others attempted wild card way Grand Champion slot failed Ricks 3480 points out possible 3680 gave him honors 1976 R/C Soaring Nationals Cham pion Some repeats year San Fer nando Yalley Silent Flyers Terry Koplan Rick Pearson Ken Wagner took home Open-age class trophies second year row SFVSFs Junior-Senior team Greg Smith Bill Elliott Jim Vanderzyl Rocket City Radio Con trollers Huntsville Alabama Scale Col Bob Thacker won second time years Baby Bowlus 391 points out pos sible 500 highest static judging Don Edbergs 350 flight points out 500 highest flying tasks Twenty-four states represented California nosing out Michigan 33 32 cate gory Five Canada first year five Mexico competed fourth year Lewis University let soaring fraternity have use facilities generosity helped make 76 R/C Nationals biggest best ever November1976 89 48V 500 MA 43 oz 1219g 38K46 0 Please send complete catalog Enclosed $100 refunded first order Add 850 1st class mail return add $100 handling other prders Soaring Nats/Pruss continued page 48 1 Langleys Model Aero Engine 1903 Robert Meyer Curator National Air & Space Museum Smithsonian Institution Illustrated orical Collectors Item $500 Cumberland Press 4926 Del Ray Avenue Bethesda Maryland 20014