YUGOSLAVIA offered host 1979 World Free Flight World Championships its offer accepted FAI organization governing international aero-sport activities offer later made contingent exclusion South Africa made offer unacceptable little time necessary homework US offered host Champs backup other countrys offer no other offer made US offer accepted organizersthe Southern California Aero Team SCAT National Free Flight Society NFF S course AMAhad tiger tail no easy task provide meals lodging transportation some 600 contestants sup porters officials staff volunteer workers flying site some 45 miles head quarters Bakersfield Inn required improve ments accommodate such mob Arrange ments various peripheral activities such opening ceremony awards banquet First International Symposium NFFS made competition itself played according stringent rules involved model processing impounding rubber motors issuing standard fuel power models obtaining coordinating dozens volunteers handle jobs timekeeping scorekeeping crowd control publication results host other chores Big League made US Ftee Flight Champs Nats seem like sand-lot games comparison say went off hitch would untrue darned few hitches few occured got unhitched hurry Considering aside AMA activities whole thing put together amateurs no previous experience running World Champs stands tribute American know-how Yankee ingenuity efficacy dedicated amateurs Despite great distance FAI-member nations western Europe partici pation down 15 20% Champs held Europe largely due lack participation Iron Curtain countries political reasons Sandy Pimenoff FAI official put speech awards banquet first time Peoples Republic China participated first time China participated international sport ing competition outside Orient recent history New Zealand because shorter travel distance able send teams whereas before activity confined largely sending models flown proxy course eyes Chinese forthey Great Unknown Would turn up exotic perhaps antiquated creations bamboo rice paper ultra-sophisticated creations concocted boron fiber epoxy resins plastic films Something between way turned out few innovations own could considered advances state art Clearly received western-world aeromodeling publications well aware state art extracted what liked discarded what didnt added personal touch models constructed almost entirely local wood called Tunga fine grained density less spruce equal hardest balsa tissue like staff know rather rough Balsa used diagonal ribs few models according interpreter seemed have somewhat wider application possibly trailing edges wing-tip fairings models over weight rubber used propel Wakefield models made China seemed roughly equal familiar although used larger number strands smaller cross-section used made-in-China clockwork timers like German Seelig timers made-in-Japan timers see Wake field models equipped tinier-operated linear cams adjust tailplane incidence angle continuously during initial burst power used no sophisticaed thermal-detect ing methods clearly knew find thermals team post maxes first round towline glider event single power flier Qinfei made fly-off rounds wound up sixth place 1979 FREE FLK*IT WORLD CHAMPIONSHIPS TAFTCAUSA rer uvarnairom Sweaen TOOK secona towtine giiaer evem Aeromodeling recognized sport China official literature seemed ts Perfection norm Launching taught schools Several hundred par- about same sort folks rest us well-chosen thermals flight after flight ticipated team-selection process site near oil town Taft wasnt scarcely worthy mention merely minor World Champs teams regional semi-finals perfect adequate weather deviations perfection separate hems finals Peking average age 38 about what could have expected also ran report neces married raising couple probable statistics last 10 years sarily main chronicle goof-ups kids team members came walks Maximum temperature did exceed 900F life professionals workers Well first day competition Nordic A12 Towline Glider FIA Without ignore connotation professionals dont lower day thereafter no rain engine rubber motor towline glider models work notthe round-faced ever-happy moderate winds seem deceptively simple perhaps always smiling peasants depicted some funny game play typical decade ago invention circle towing January1980 43 1 Flying Per c3runnet towline glider Thomas Koster WOK Tirat-piace trophy home Denmark third time Noted name Power victorious US iowiine glider team manes ii no secret Number R Jim Wilson Lee Hines Jim Walters Heikki Tahkapaa Finland captured fifth place towline glider Walter Hailer Switzerland tied fifth place towirne giber Israeli flier Giora Hertsberg employed unique tail Hot sun exposed rubber can cause breakage common sight see helpers shading rubber slotted flap Wakefield jobs ways Roger Simpson shades Walt Ghio packs turns Wakefield 44 Model Aviation ustrien nuns acnaiiiei neu secona piace in nut ais qualified model found fraction OT gram under weight Tough break probably caused heat removing moisture Israeli flier ltzhak Ben-ltzhak winds winning Wakefield flight helper shades what looks like glider wing its envelope .n Uuradys tnrew prop oiaae auring second still managed second place US teams Bob erchlO winds hi ite-designel akefiel. model its rubber well-shaded against low slanting sun zoom launches Russians subse quent development throughout world has changed Trick mechanisms used actuate rudder sometimes horizontal tail three four positions corresponding different phases towing launching gliding Wings must strong enough support load 10 15 times weight model during zoom launch may have over 500 parts physical skill stamina required combination middle distance runner dancer expert recommends jogging backwards part physical conditioning routine US Team consisted Jim Wilson Lee Hines Jim Walters Wilson Hines have doing extremely well local competition have previously participated World Champs third member team have Bob Isaacson making 100% Southern California team dropped out because knee injury Walters took fourth place team-selection finals has participated two previous World Champs scored highest among US competitors both occasions Starting 755 under overcast sky Round opened dead air little help gliders few can make three-minute max flights some help thermals JimWalters designated Team Manager Dick Myers fly first started towing 19 minutes after start round followed what must have hectic 12 minutes model aviation history Walters ran side end starting line other half followed half lead entourage helpers carrying thermistor-type thermal detectors throw ing cat-tail fluffies air cranldng away bubble generators watching performance other models less half round remaining Wilson Hines make flights Walters zoomed model off towline what seemed like marglnally good air model failed find significant lift stalled bit entered turbulent air near ground turned flight time 249 11 sec short max Two minutes later Hines started towing weather rapidiy improving another two minutes zoomed model off made max 24 sec spare Wilson started towing immediately lift still easy find After towing 15 mm went off flight exceeded 3 mm max mere 02 sec Only 17 ofthe field of66 maxedon first round teamthe Chinese made maxes end Round US team third place behind China Denmark Walters chance crack individual world championship already past would certainly would max seven rounds didnt prevent him doing best esprit de corps second no other teams US team made maxes following six rounds Chinese model spun in Round Two putting US team second place fourth round Danes dropped 37 sec putting US team January1980 45 Flier Peoples Republic China shows Western nations havent cornered market free flight skill Note tail design Australian Paul VanLeuven prepares last flyoff round Mechanical problems pre vented winding motor fully took 2nd p1 Roger Simpson gets off perfect launch Power Carl Bogarts model inner wing panels par tially covered hard aluminum foil uaioreain wamis iur inermai ueiaiors LU Nowi Slightly oversized engine manufac tured disqualified him third place first place remain giving US its first team World Championship since 1965 tied Italy first Power event its first World Championship ever towline glider event flyoff rounds perfect scores went Wilson Hines US Per Grunnets model proxy-flown twice-world-champ Thomas Koster Denmark Per Qvarnstrom Sweden Heikki Tahkapaa Finland Walter HaIler Switzerland Gottfried Zach Austria Herbert Schmidt West Germany Pieter DeBoer Netherlands 445 weather deteriorating rapidly sun plunged toward crest Coast Range first fly-off round started Schmidt DeBoer missed lift failed max re maining seven made required 5-mm max flights second fly-off round third would last Qvarnstrom launched Hines off minute later what felt lift very good lift perhaps best might come along Both models sank passed over grassy area quarter mile downwind launch line turning scores 333 322 respectively Koster launched two minutes after Hines point considerably upwind model gained bit altitude time reached sinking air over grassy area continued upward slope beyond finally coming rest flight time 411 other three trailed far behind Koster albeit Per Grunnets model came first three-time three-event World Champs winner history Wakefield Rubber Power FiB US team consisted Bob White Bob Piserchio Walt Ghio Piserchio Ghio 1977 team White placed second third fifth previous World Champs has list major wins US long arm first flight relatively uneventful twothirds fliers made 3-mm maxes including US team did max Reiner Hofsass Germany flying high-aspect-ratio Espadon solid-balsa wing high aspect ratio wing permits wash-in wing outside glide circle transforms what would normally stall swooping climb humidity change Home-made transits used measure alti tude models NFFS Tech Task Force headed Fred Pearce Rol Anderson riometar wmtfl sonic output signal Sensitive small changes air pressure used Argentinian team thermal-detection aid hermal detector used thermistor 50 yards upwind another recorder home-brew two-pen drum recorder 46 Model Aviation T Italys Mario Rocca flew superbly crafted model geodetic ribs Italian style first place Used new AD 15 engine Former World Champ Albert DalrOglio plenty smile about home made engine used winning Power flier Mario Rocca Chinas single Power flier Qinfei made fly-offs took sixth place caused wing warp reverse model stalled After drastic readjustment including addition nearly quarter-inch wing inci dence model began perform rather well went well US team until third round Ghios model spun ground under power score 30 sec timeroperated automatic rudder control nor mally flips rudder glide position motor unwound actuated too early White apparently flew bit too early thermal dropped 37 sec Piserchio dropped 51 sec fifth round other teams doing too well either Going Round Seven US team fifth place team maxed Round Seven US team would have taken third place too shabby 22 countries entered Ghio missed thermal US dropped sixth place Only six perfect scores end Round Seven Itzhak Ben-Itzhak Israel age 27 far youngest bunch Paul VanLeuven Australia Dan OGrady Canada Paul Lagan New Zealand Ron Pollard England Hans Zachallmel Austria Lagan Pollard dropped out first flyoff OGrady threw prop blade second failed find lift second attempt using back-up model three fliers going third round last VanLeuven gotten half broken motor stuck twin-rudder model previous round using back-up model Mech anical difficulties made impossible him wind motor fully Both Zachallmel New Zealander flew did make required 6-mm young Israeli broke motor last fly Finally minutes spare launched almost immediate applause crowd apparent model going well Cheers again rose model still good altitude passed Zachallmels score 50year-old Wakefield Trophy cap climax model still going well made six-mm max what OGrady Canadian THE RULES OF PLAY after 3 mm order ease probler round contestant must get model airborne rules procedures complex retrieving models otherwise mighi stay within specified 1 5-mm period briefly itwork like Ailmodels must cc nply ip hours land Los Angeles 15-mm period between rounds forretrievingthe stringent rules regarding weight wing area end seveA regular mi inds model preparations next round engine displacement rubber-motor weight exceptional teas have mt4e 3-mm max fly-off increased minute country has up three contestants entered maxes flights team scores over max previous round event preliminaries consist reckoned according score end weather deteriorating sundown seven rounds one-hour period during seven rounds cases ties scores made approaches thereby decreasing chances members team must fly following fly-off rounds considered modeler launching models upwardscored zero contestant allowed two typical up 15 20 individuals moving thermals max increasing attempts put up official flight event outofa field 60 80 achieve perfect minute round flying doesnt go oil complex rules regarding what counts scores seven rounds final lon& 1979 World Champs final attempt Models scored flight duration placing individuals determined flyoff standing determined third fly-off anything over 3 mm scored 3 mmroundsround three events Contestants equip models fuse fly-offs contestants participate contestant achieved required 6-min max clockwork devices bring down quickly individuals rather teams h fly-off round J January1980 47 mini-computer churned out round-by-round results within minutes end round US Team Manager Dick Myers received momenta signed byteam members Paul MacCready man-power flight fame chatting Carl Goldberg NFFS luncheon speaker Paurs first model Carls Sailplane Swarm killer bees could have caused chaos Actually its aero science run rampant Canadian supporters thrash air under model hope triggering thermal Meuser thought eased tension model lost prop blade previous round frantically preparing model flight timekeeper raised gun signal end round misfired reloaded gun OGrady launched second later gun fired previous round OGradys model maxed prop blade could determined prop blade flew off before model actually launched perhaps flight would have counted turned out model underweight prop blade previous score stood wasnt over yet After event has ended top-placing models checked compliance rules Zachalimels model found underweight about half gram low humidity apparently dried out wood since model weighed three days earlier Scales checked re-checked using master weights accurate few thousandths gram casting possible small error favor contestant model underweight disqualified Van Leuven OGrady moved second third positions Power Fl C US team consisted Doug Galbreath Roger Simpson Carl Bogart Doug print shop produced official program Champs NFFS publications placed sixth 1967 World Champs third 1963 Roger brother Reid have strong Power years regularly fly Doug live Sacramento area talked Doug few weeks before Champs said Roger really ready hes going Bogart showed hometown lads what about flier max out team selection finals year ago team strong others Germany example two ex-World Champs its roster Former World Champ Franz Baumann West Germany first off few minutes after starting gun maxed model flown Thomas Koster Denmark winner 1977 World Champs climbed straight up engine cut model came down tail first finally recovered after losing half its original altitude failed make required 3minute max Galbreaths model climbed height measured 565 feet Technical Project crew during engines 7-sec run made near perfect transition its glide circle made 1 turns its 3-mm glide detherm alized caught Dougs helper Ken Oliver SOft launch point other two US team members Roger Simpson Carl Bogart maxed uneventfully no strong thermals 18 46 contestants made max flights whereas later rounds 30 maxes would typical 18 9 would survive following six rounds partic ipate fly-offs French Canadian US teams ones have members max first round second round uneventful US team again three members maxed third round Simpson made normal climb transition became apparent engine still running ticking away very low rpm Bogart maxed earlier Galbreath flew maxed Simpson prepared second model Time running Out Simpson Launching minute before rounds end little opportunity choosy about thermals Roger flying back-up model missed max 49 sec Canadian French teams missed maxes third round too order team scores France Canada USA would remain way through Round 5 start fourth round previous overcast cleared thermals becoming strong two-thirds flights would maxes Simpson again flying number model flying Continued page 122 48 Model Aviation Allan Wells England processed some 50 Wakefield rubber motors heat took its toll broken motors some fliers ran short PLEASE STATE AXLE DIAMETER Irwin about total number engines pro duced total about million didnt seem quite surprising number 0 & R 23s made total 800000 23s leaves 200000 rest combined 19s 60s 29s 33s Gold Seals Miniatures Wow Incidentally Mark Fechner special izes repair service 0 & Rengines planning produce batch first Ohlsson engine about later Clarence Haught 5 Box 16 CoeurdAlene ID 83814 Free Flight WC/Meuser continued page 48 order changed US Team Manager Dick Myers Simpson flying last order give Galbreath Bogart could possibly make fly-offs little time needed team maxed Rounds 4 5 Koster making good climb-to-glide transitions despite precarious straight-up climb Round 6 Galbreath flew usual nearperfect form Bogart flew engine over-run Simpson fueled up flight Bogart again model ready Team Manager put him ahead Simpson air looked good started engine advice Walt Ohio manning thermal detector shut down Again air looked good fired up launched poor powered-flight pattern scored 136 dropping US fourth place remain Round 7 uneventful US team maxed Former World Champ Hans Seelig Germany maxes thus far started engine quit before could re-start thermal passed again played cautious waiting game Finally started engine again quit re-started immediately launched model nearly looped finally settled its glide pattern half-normal altitude got little help mother nature lost chance Champ again Nine contestants perfect scores through Round 7 USs Doug Gaibreath Mario Rocca Italy Kejiche Kibiki Japan Qinfei China Denis Ferrero Michel Iribarne France Martti Keinanen Finland Frank Schlachta Canada Reinhard Truppe Austria made 4-mi maxes first flyoff though Qinfeis model nearly looped Ferreros beautiful continuous-dihedral models engine power sagged what last fly-off Austna Japan went off immediately Soon after Canadian went off poor power pattern about same time Rocca went off characteristic perfect flight pattern model stalling just bit first glide turn Its habit others followed later Italian max Kibiki Gaibreath posted scores 545 418 second third places again contest wasn t over quite yet Models checked Gaibreaths engine displacement found over 25 cc limit microscopic amount measuring equipment checked re-checked finally engine taken independent lab additional check Still over little choice disqualify Galbreath ironically Galbreaths flight scores set zero US teams score placed below dozen countries engines checked indeed tough disquality two outstanding performances essentially trivial deviations rules could have affected performance models least amount True Zachallmel perhaps should have built model close edge perhaps should have figured low humidity drying out model bit Galbreath could have requested engine-displacement check during processing would expect commer cially-built engine intended particular competition class modified way would affect its displacement overdisplaced rewards competition supposed skill building flying model aircraft skill complying knit-picky rules No happy over decision disqualify Zachalimel Galbreath least runners-up profited decisions sterile statistics will show scores zero two will know statistics dont tell real story tough sure play game played according strict rules rules must prevail no question terpretation rules might other aspects rules opinion isnt necessarily popular dont see make decisions could have good conscience done anything other what did didnt notice wringing hands glee over decisions made would inappropriate dwell performances competitors least mentioning made competition possible although deserve far well simply list Competition Director Bill Hartill SCAT Contest Administrator Hardy Brodersen National Free Flight Society Contest Manager Bill Bogart SCAT FAI Jury chartered adjudicate rules-book matters headed Sandy Pimenoff Finland backed up Ian Kaynes England George Xenakis US Event Directors Juan Livotto Irv Aker Ed Carroll Chief Timekeeper Andy Faykun Chief Scorekeeper Gail Gewain Processing Director Bob Hatschek Proxy Coordinator Jim Quinn NFFS International Symposium Coordinator Editor Ray Harlan NFFS Technical Task Force Director Fred Pearce assistance Dennis Mihora Chris Matsuno Andy Bauer Rol Anderson others NFFS Plans Book Editor Dave Linstrum AMA President Earl Witt AMA District X VicePresident Jim Scarborough AMA Headquarters staff John Worth Executive Di rector Frank Ebling Technical Director Mich elene Madison FAI Activities Coordinator Giselle Jackson stayed up nights making certain money went right places Matt Gewain donated use personal Apple II computer its snazzy peripheral dot-matrix printer pro grammed right things data many others FF Sport/Scale/Warner continued page 54 Angeles bunch dedicated volunteers sets up hall full tables begins registering models brought such exotic places Van couver Canada Las Vegas Nevada Gaines ville Florida Lake Havasu Arizona San Diego contingent arrives force old friends made through marvelous medium modeling share smiles hearty handshakes good-natured cajolery Cracks Itll never fly Too bad never real like expected dispensed rolling eyes upward moaning No ever comes away empty-handed Saturday scale exhibit judging appreciative comments people judgment take gospel like Krugerrands pocket Ques tions got particular finish ever found three-view plane treasured pot-metal 122 Model Aviation FOdOHARDWARE WORKING TURNBUCKLES RIGGING & CONTROL CABLE CONTROL HORNS STRUT FITTINGS K CORD COCKPIT TRIM~ PULLEYS INSTRUMENT HOUSINGS information ando ata logue S end Si 00 Ilodw ENT CORP PO Box 9641 SAN DIEGOCA92109 THE NEW FIREBALL GLOW PLUGS ARE LEAKPROOF AND BLOWOUT PROOF EVEN FOR THE NEW MONSTER ENGINES BUT THEY ARE STILL THE OLD PRICE OF $1 10 WRITE NOWI SWANSON P 0 Bo Wayn eX 07470 SKIS* $898 $1750 pair C z 5 -K -a ICUSTOM MACHINING COAd $210 Pwtq HadIig I100 FIFTH AVENUEoxs R,deSAdg4%TC I NEWBUAGH NEW YORK 12550 nPATENT APPLIED LAST INIRLLRIIUI EASIER LANDING GREAT FOR BEGINNERS USE ON SNOW SAND AND MARSH SAFE FLYING IS NO ACCIDENT
Edition: Model Aviation - 1980/01
Page Numbers: 42, 43, 44, 45, 46, 47, 48, 122
YUGOSLAVIA offered host 1979 World Free Flight World Championships its offer accepted FAI organization governing international aero-sport activities offer later made contingent exclusion South Africa made offer unacceptable little time necessary homework US offered host Champs backup other countrys offer no other offer made US offer accepted organizersthe Southern California Aero Team SCAT National Free Flight Society NFF S course AMAhad tiger tail no easy task provide meals lodging transportation some 600 contestants sup porters officials staff volunteer workers flying site some 45 miles head quarters Bakersfield Inn required improve ments accommodate such mob Arrange ments various peripheral activities such opening ceremony awards banquet First International Symposium NFFS made competition itself played according stringent rules involved model processing impounding rubber motors issuing standard fuel power models obtaining coordinating dozens volunteers handle jobs timekeeping scorekeeping crowd control publication results host other chores Big League made US Ftee Flight Champs Nats seem like sand-lot games comparison say went off hitch would untrue darned few hitches few occured got unhitched hurry Considering aside AMA activities whole thing put together amateurs no previous experience running World Champs stands tribute American know-how Yankee ingenuity efficacy dedicated amateurs Despite great distance FAI-member nations western Europe partici pation down 15 20% Champs held Europe largely due lack participation Iron Curtain countries political reasons Sandy Pimenoff FAI official put speech awards banquet first time Peoples Republic China participated first time China participated international sport ing competition outside Orient recent history New Zealand because shorter travel distance able send teams whereas before activity confined largely sending models flown proxy course eyes Chinese forthey Great Unknown Would turn up exotic perhaps antiquated creations bamboo rice paper ultra-sophisticated creations concocted boron fiber epoxy resins plastic films Something between way turned out few innovations own could considered advances state art Clearly received western-world aeromodeling publications well aware state art extracted what liked discarded what didnt added personal touch models constructed almost entirely local wood called Tunga fine grained density less spruce equal hardest balsa tissue like staff know rather rough Balsa used diagonal ribs few models according interpreter seemed have somewhat wider application possibly trailing edges wing-tip fairings models over weight rubber used propel Wakefield models made China seemed roughly equal familiar although used larger number strands smaller cross-section used made-in-China clockwork timers like German Seelig timers made-in-Japan timers see Wake field models equipped tinier-operated linear cams adjust tailplane incidence angle continuously during initial burst power used no sophisticaed thermal-detect ing methods clearly knew find thermals team post maxes first round towline glider event single power flier Qinfei made fly-off rounds wound up sixth place 1979 FREE FLK*IT WORLD CHAMPIONSHIPS TAFTCAUSA rer uvarnairom Sweaen TOOK secona towtine giiaer evem Aeromodeling recognized sport China official literature seemed ts Perfection norm Launching taught schools Several hundred par- about same sort folks rest us well-chosen thermals flight after flight ticipated team-selection process site near oil town Taft wasnt scarcely worthy mention merely minor World Champs teams regional semi-finals perfect adequate weather deviations perfection separate hems finals Peking average age 38 about what could have expected also ran report neces married raising couple probable statistics last 10 years sarily main chronicle goof-ups kids team members came walks Maximum temperature did exceed 900F life professionals workers Well first day competition Nordic A12 Towline Glider FIA Without ignore connotation professionals dont lower day thereafter no rain engine rubber motor towline glider models work notthe round-faced ever-happy moderate winds seem deceptively simple perhaps always smiling peasants depicted some funny game play typical decade ago invention circle towing January1980 43 1 Flying Per c3runnet towline glider Thomas Koster WOK Tirat-piace trophy home Denmark third time Noted name Power victorious US iowiine glider team manes ii no secret Number R Jim Wilson Lee Hines Jim Walters Heikki Tahkapaa Finland captured fifth place towline glider Walter Hailer Switzerland tied fifth place towirne giber Israeli flier Giora Hertsberg employed unique tail Hot sun exposed rubber can cause breakage common sight see helpers shading rubber slotted flap Wakefield jobs ways Roger Simpson shades Walt Ghio packs turns Wakefield 44 Model Aviation ustrien nuns acnaiiiei neu secona piace in nut ais qualified model found fraction OT gram under weight Tough break probably caused heat removing moisture Israeli flier ltzhak Ben-ltzhak winds winning Wakefield flight helper shades what looks like glider wing its envelope .n Uuradys tnrew prop oiaae auring second still managed second place US teams Bob erchlO winds hi ite-designel akefiel. model its rubber well-shaded against low slanting sun zoom launches Russians subse quent development throughout world has changed Trick mechanisms used actuate rudder sometimes horizontal tail three four positions corresponding different phases towing launching gliding Wings must strong enough support load 10 15 times weight model during zoom launch may have over 500 parts physical skill stamina required combination middle distance runner dancer expert recommends jogging backwards part physical conditioning routine US Team consisted Jim Wilson Lee Hines Jim Walters Wilson Hines have doing extremely well local competition have previously participated World Champs third member team have Bob Isaacson making 100% Southern California team dropped out because knee injury Walters took fourth place team-selection finals has participated two previous World Champs scored highest among US competitors both occasions Starting 755 under overcast sky Round opened dead air little help gliders few can make three-minute max flights some help thermals JimWalters designated Team Manager Dick Myers fly first started towing 19 minutes after start round followed what must have hectic 12 minutes model aviation history Walters ran side end starting line other half followed half lead entourage helpers carrying thermistor-type thermal detectors throw ing cat-tail fluffies air cranldng away bubble generators watching performance other models less half round remaining Wilson Hines make flights Walters zoomed model off towline what seemed like marglnally good air model failed find significant lift stalled bit entered turbulent air near ground turned flight time 249 11 sec short max Two minutes later Hines started towing weather rapidiy improving another two minutes zoomed model off made max 24 sec spare Wilson started towing immediately lift still easy find After towing 15 mm went off flight exceeded 3 mm max mere 02 sec Only 17 ofthe field of66 maxedon first round teamthe Chinese made maxes end Round US team third place behind China Denmark Walters chance crack individual world championship already past would certainly would max seven rounds didnt prevent him doing best esprit de corps second no other teams US team made maxes following six rounds Chinese model spun in Round Two putting US team second place fourth round Danes dropped 37 sec putting US team January1980 45 Flier Peoples Republic China shows Western nations havent cornered market free flight skill Note tail design Australian Paul VanLeuven prepares last flyoff round Mechanical problems pre vented winding motor fully took 2nd p1 Roger Simpson gets off perfect launch Power Carl Bogarts model inner wing panels par tially covered hard aluminum foil uaioreain wamis iur inermai ueiaiors LU Nowi Slightly oversized engine manufac tured disqualified him third place first place remain giving US its first team World Championship since 1965 tied Italy first Power event its first World Championship ever towline glider event flyoff rounds perfect scores went Wilson Hines US Per Grunnets model proxy-flown twice-world-champ Thomas Koster Denmark Per Qvarnstrom Sweden Heikki Tahkapaa Finland Walter HaIler Switzerland Gottfried Zach Austria Herbert Schmidt West Germany Pieter DeBoer Netherlands 445 weather deteriorating rapidly sun plunged toward crest Coast Range first fly-off round started Schmidt DeBoer missed lift failed max re maining seven made required 5-mm max flights second fly-off round third would last Qvarnstrom launched Hines off minute later what felt lift very good lift perhaps best might come along Both models sank passed over grassy area quarter mile downwind launch line turning scores 333 322 respectively Koster launched two minutes after Hines point considerably upwind model gained bit altitude time reached sinking air over grassy area continued upward slope beyond finally coming rest flight time 411 other three trailed far behind Koster albeit Per Grunnets model came first three-time three-event World Champs winner history Wakefield Rubber Power FiB US team consisted Bob White Bob Piserchio Walt Ghio Piserchio Ghio 1977 team White placed second third fifth previous World Champs has list major wins US long arm first flight relatively uneventful twothirds fliers made 3-mm maxes including US team did max Reiner Hofsass Germany flying high-aspect-ratio Espadon solid-balsa wing high aspect ratio wing permits wash-in wing outside glide circle transforms what would normally stall swooping climb humidity change Home-made transits used measure alti tude models NFFS Tech Task Force headed Fred Pearce Rol Anderson riometar wmtfl sonic output signal Sensitive small changes air pressure used Argentinian team thermal-detection aid hermal detector used thermistor 50 yards upwind another recorder home-brew two-pen drum recorder 46 Model Aviation T Italys Mario Rocca flew superbly crafted model geodetic ribs Italian style first place Used new AD 15 engine Former World Champ Albert DalrOglio plenty smile about home made engine used winning Power flier Mario Rocca Chinas single Power flier Qinfei made fly-offs took sixth place caused wing warp reverse model stalled After drastic readjustment including addition nearly quarter-inch wing inci dence model began perform rather well went well US team until third round Ghios model spun ground under power score 30 sec timeroperated automatic rudder control nor mally flips rudder glide position motor unwound actuated too early White apparently flew bit too early thermal dropped 37 sec Piserchio dropped 51 sec fifth round other teams doing too well either Going Round Seven US team fifth place team maxed Round Seven US team would have taken third place too shabby 22 countries entered Ghio missed thermal US dropped sixth place Only six perfect scores end Round Seven Itzhak Ben-Itzhak Israel age 27 far youngest bunch Paul VanLeuven Australia Dan OGrady Canada Paul Lagan New Zealand Ron Pollard England Hans Zachallmel Austria Lagan Pollard dropped out first flyoff OGrady threw prop blade second failed find lift second attempt using back-up model three fliers going third round last VanLeuven gotten half broken motor stuck twin-rudder model previous round using back-up model Mech anical difficulties made impossible him wind motor fully Both Zachallmel New Zealander flew did make required 6-mm young Israeli broke motor last fly Finally minutes spare launched almost immediate applause crowd apparent model going well Cheers again rose model still good altitude passed Zachallmels score 50year-old Wakefield Trophy cap climax model still going well made six-mm max what OGrady Canadian THE RULES OF PLAY after 3 mm order ease probler round contestant must get model airborne rules procedures complex retrieving models otherwise mighi stay within specified 1 5-mm period briefly itwork like Ailmodels must cc nply ip hours land Los Angeles 15-mm period between rounds forretrievingthe stringent rules regarding weight wing area end seveA regular mi inds model preparations next round engine displacement rubber-motor weight exceptional teas have mt4e 3-mm max fly-off increased minute country has up three contestants entered maxes flights team scores over max previous round event preliminaries consist reckoned according score end weather deteriorating sundown seven rounds one-hour period during seven rounds cases ties scores made approaches thereby decreasing chances members team must fly following fly-off rounds considered modeler launching models upwardscored zero contestant allowed two typical up 15 20 individuals moving thermals max increasing attempts put up official flight event outofa field 60 80 achieve perfect minute round flying doesnt go oil complex rules regarding what counts scores seven rounds final lon& 1979 World Champs final attempt Models scored flight duration placing individuals determined flyoff standing determined third fly-off anything over 3 mm scored 3 mmroundsround three events Contestants equip models fuse fly-offs contestants participate contestant achieved required 6-min max clockwork devices bring down quickly individuals rather teams h fly-off round J January1980 47 mini-computer churned out round-by-round results within minutes end round US Team Manager Dick Myers received momenta signed byteam members Paul MacCready man-power flight fame chatting Carl Goldberg NFFS luncheon speaker Paurs first model Carls Sailplane Swarm killer bees could have caused chaos Actually its aero science run rampant Canadian supporters thrash air under model hope triggering thermal Meuser thought eased tension model lost prop blade previous round frantically preparing model flight timekeeper raised gun signal end round misfired reloaded gun OGrady launched second later gun fired previous round OGradys model maxed prop blade could determined prop blade flew off before model actually launched perhaps flight would have counted turned out model underweight prop blade previous score stood wasnt over yet After event has ended top-placing models checked compliance rules Zachalimels model found underweight about half gram low humidity apparently dried out wood since model weighed three days earlier Scales checked re-checked using master weights accurate few thousandths gram casting possible small error favor contestant model underweight disqualified Van Leuven OGrady moved second third positions Power Fl C US team consisted Doug Galbreath Roger Simpson Carl Bogart Doug print shop produced official program Champs NFFS publications placed sixth 1967 World Champs third 1963 Roger brother Reid have strong Power years regularly fly Doug live Sacramento area talked Doug few weeks before Champs said Roger really ready hes going Bogart showed hometown lads what about flier max out team selection finals year ago team strong others Germany example two ex-World Champs its roster Former World Champ Franz Baumann West Germany first off few minutes after starting gun maxed model flown Thomas Koster Denmark winner 1977 World Champs climbed straight up engine cut model came down tail first finally recovered after losing half its original altitude failed make required 3minute max Galbreaths model climbed height measured 565 feet Technical Project crew during engines 7-sec run made near perfect transition its glide circle made 1 turns its 3-mm glide detherm alized caught Dougs helper Ken Oliver SOft launch point other two US team members Roger Simpson Carl Bogart maxed uneventfully no strong thermals 18 46 contestants made max flights whereas later rounds 30 maxes would typical 18 9 would survive following six rounds partic ipate fly-offs French Canadian US teams ones have members max first round second round uneventful US team again three members maxed third round Simpson made normal climb transition became apparent engine still running ticking away very low rpm Bogart maxed earlier Galbreath flew maxed Simpson prepared second model Time running Out Simpson Launching minute before rounds end little opportunity choosy about thermals Roger flying back-up model missed max 49 sec Canadian French teams missed maxes third round too order team scores France Canada USA would remain way through Round 5 start fourth round previous overcast cleared thermals becoming strong two-thirds flights would maxes Simpson again flying number model flying Continued page 122 48 Model Aviation Allan Wells England processed some 50 Wakefield rubber motors heat took its toll broken motors some fliers ran short PLEASE STATE AXLE DIAMETER Irwin about total number engines pro duced total about million didnt seem quite surprising number 0 & R 23s made total 800000 23s leaves 200000 rest combined 19s 60s 29s 33s Gold Seals Miniatures Wow Incidentally Mark Fechner special izes repair service 0 & Rengines planning produce batch first Ohlsson engine about later Clarence Haught 5 Box 16 CoeurdAlene ID 83814 Free Flight WC/Meuser continued page 48 order changed US Team Manager Dick Myers Simpson flying last order give Galbreath Bogart could possibly make fly-offs little time needed team maxed Rounds 4 5 Koster making good climb-to-glide transitions despite precarious straight-up climb Round 6 Galbreath flew usual nearperfect form Bogart flew engine over-run Simpson fueled up flight Bogart again model ready Team Manager put him ahead Simpson air looked good started engine advice Walt Ohio manning thermal detector shut down Again air looked good fired up launched poor powered-flight pattern scored 136 dropping US fourth place remain Round 7 uneventful US team maxed Former World Champ Hans Seelig Germany maxes thus far started engine quit before could re-start thermal passed again played cautious waiting game Finally started engine again quit re-started immediately launched model nearly looped finally settled its glide pattern half-normal altitude got little help mother nature lost chance Champ again Nine contestants perfect scores through Round 7 USs Doug Gaibreath Mario Rocca Italy Kejiche Kibiki Japan Qinfei China Denis Ferrero Michel Iribarne France Martti Keinanen Finland Frank Schlachta Canada Reinhard Truppe Austria made 4-mi maxes first flyoff though Qinfeis model nearly looped Ferreros beautiful continuous-dihedral models engine power sagged what last fly-off Austna Japan went off immediately Soon after Canadian went off poor power pattern about same time Rocca went off characteristic perfect flight pattern model stalling just bit first glide turn Its habit others followed later Italian max Kibiki Gaibreath posted scores 545 418 second third places again contest wasn t over quite yet Models checked Gaibreaths engine displacement found over 25 cc limit microscopic amount measuring equipment checked re-checked finally engine taken independent lab additional check Still over little choice disqualify Galbreath ironically Galbreaths flight scores set zero US teams score placed below dozen countries engines checked indeed tough disquality two outstanding performances essentially trivial deviations rules could have affected performance models least amount True Zachallmel perhaps should have built model close edge perhaps should have figured low humidity drying out model bit Galbreath could have requested engine-displacement check during processing would expect commer cially-built engine intended particular competition class modified way would affect its displacement overdisplaced rewards competition supposed skill building flying model aircraft skill complying knit-picky rules No happy over decision disqualify Zachalimel Galbreath least runners-up profited decisions sterile statistics will show scores zero two will know statistics dont tell real story tough sure play game played according strict rules rules must prevail no question terpretation rules might other aspects rules opinion isnt necessarily popular dont see make decisions could have good conscience done anything other what did didnt notice wringing hands glee over decisions made would inappropriate dwell performances competitors least mentioning made competition possible although deserve far well simply list Competition Director Bill Hartill SCAT Contest Administrator Hardy Brodersen National Free Flight Society Contest Manager Bill Bogart SCAT FAI Jury chartered adjudicate rules-book matters headed Sandy Pimenoff Finland backed up Ian Kaynes England George Xenakis US Event Directors Juan Livotto Irv Aker Ed Carroll Chief Timekeeper Andy Faykun Chief Scorekeeper Gail Gewain Processing Director Bob Hatschek Proxy Coordinator Jim Quinn NFFS International Symposium Coordinator Editor Ray Harlan NFFS Technical Task Force Director Fred Pearce assistance Dennis Mihora Chris Matsuno Andy Bauer Rol Anderson others NFFS Plans Book Editor Dave Linstrum AMA President Earl Witt AMA District X VicePresident Jim Scarborough AMA Headquarters staff John Worth Executive Di rector Frank Ebling Technical Director Mich elene Madison FAI Activities Coordinator Giselle Jackson stayed up nights making certain money went right places Matt Gewain donated use personal Apple II computer its snazzy peripheral dot-matrix printer pro grammed right things data many others FF Sport/Scale/Warner continued page 54 Angeles bunch dedicated volunteers sets up hall full tables begins registering models brought such exotic places Van couver Canada Las Vegas Nevada Gaines ville Florida Lake Havasu Arizona San Diego contingent arrives force old friends made through marvelous medium modeling share smiles hearty handshakes good-natured cajolery Cracks Itll never fly Too bad never real like expected dispensed rolling eyes upward moaning No ever comes away empty-handed Saturday scale exhibit judging appreciative comments people judgment take gospel like Krugerrands pocket Ques tions got particular finish ever found three-view plane treasured pot-metal 122 Model Aviation FOdOHARDWARE WORKING TURNBUCKLES RIGGING & CONTROL CABLE CONTROL HORNS STRUT FITTINGS K CORD COCKPIT TRIM~ PULLEYS INSTRUMENT HOUSINGS information ando ata logue S end Si 00 Ilodw ENT CORP PO Box 9641 SAN DIEGOCA92109 THE NEW FIREBALL GLOW PLUGS ARE LEAKPROOF AND BLOWOUT PROOF EVEN FOR THE NEW MONSTER ENGINES BUT THEY ARE STILL THE OLD PRICE OF $1 10 WRITE NOWI SWANSON P 0 Bo Wayn eX 07470 SKIS* $898 $1750 pair C z 5 -K -a ICUSTOM MACHINING COAd $210 Pwtq HadIig I100 FIFTH AVENUEoxs R,deSAdg4%TC I NEWBUAGH NEW YORK 12550 nPATENT APPLIED LAST INIRLLRIIUI EASIER LANDING GREAT FOR BEGINNERS USE ON SNOW SAND AND MARSH SAFE FLYING IS NO ACCIDENT
Edition: Model Aviation - 1980/01
Page Numbers: 42, 43, 44, 45, 46, 47, 48, 122
YUGOSLAVIA offered host 1979 World Free Flight World Championships its offer accepted FAI organization governing international aero-sport activities offer later made contingent exclusion South Africa made offer unacceptable little time necessary homework US offered host Champs backup other countrys offer no other offer made US offer accepted organizersthe Southern California Aero Team SCAT National Free Flight Society NFF S course AMAhad tiger tail no easy task provide meals lodging transportation some 600 contestants sup porters officials staff volunteer workers flying site some 45 miles head quarters Bakersfield Inn required improve ments accommodate such mob Arrange ments various peripheral activities such opening ceremony awards banquet First International Symposium NFFS made competition itself played according stringent rules involved model processing impounding rubber motors issuing standard fuel power models obtaining coordinating dozens volunteers handle jobs timekeeping scorekeeping crowd control publication results host other chores Big League made US Ftee Flight Champs Nats seem like sand-lot games comparison say went off hitch would untrue darned few hitches few occured got unhitched hurry Considering aside AMA activities whole thing put together amateurs no previous experience running World Champs stands tribute American know-how Yankee ingenuity efficacy dedicated amateurs Despite great distance FAI-member nations western Europe partici pation down 15 20% Champs held Europe largely due lack participation Iron Curtain countries political reasons Sandy Pimenoff FAI official put speech awards banquet first time Peoples Republic China participated first time China participated international sport ing competition outside Orient recent history New Zealand because shorter travel distance able send teams whereas before activity confined largely sending models flown proxy course eyes Chinese forthey Great Unknown Would turn up exotic perhaps antiquated creations bamboo rice paper ultra-sophisticated creations concocted boron fiber epoxy resins plastic films Something between way turned out few innovations own could considered advances state art Clearly received western-world aeromodeling publications well aware state art extracted what liked discarded what didnt added personal touch models constructed almost entirely local wood called Tunga fine grained density less spruce equal hardest balsa tissue like staff know rather rough Balsa used diagonal ribs few models according interpreter seemed have somewhat wider application possibly trailing edges wing-tip fairings models over weight rubber used propel Wakefield models made China seemed roughly equal familiar although used larger number strands smaller cross-section used made-in-China clockwork timers like German Seelig timers made-in-Japan timers see Wake field models equipped tinier-operated linear cams adjust tailplane incidence angle continuously during initial burst power used no sophisticaed thermal-detect ing methods clearly knew find thermals team post maxes first round towline glider event single power flier Qinfei made fly-off rounds wound up sixth place 1979 FREE FLK*IT WORLD CHAMPIONSHIPS TAFTCAUSA rer uvarnairom Sweaen TOOK secona towtine giiaer evem Aeromodeling recognized sport China official literature seemed ts Perfection norm Launching taught schools Several hundred par- about same sort folks rest us well-chosen thermals flight after flight ticipated team-selection process site near oil town Taft wasnt scarcely worthy mention merely minor World Champs teams regional semi-finals perfect adequate weather deviations perfection separate hems finals Peking average age 38 about what could have expected also ran report neces married raising couple probable statistics last 10 years sarily main chronicle goof-ups kids team members came walks Maximum temperature did exceed 900F life professionals workers Well first day competition Nordic A12 Towline Glider FIA Without ignore connotation professionals dont lower day thereafter no rain engine rubber motor towline glider models work notthe round-faced ever-happy moderate winds seem deceptively simple perhaps always smiling peasants depicted some funny game play typical decade ago invention circle towing January1980 43 1 Flying Per c3runnet towline glider Thomas Koster WOK Tirat-piace trophy home Denmark third time Noted name Power victorious US iowiine glider team manes ii no secret Number R Jim Wilson Lee Hines Jim Walters Heikki Tahkapaa Finland captured fifth place towline glider Walter Hailer Switzerland tied fifth place towirne giber Israeli flier Giora Hertsberg employed unique tail Hot sun exposed rubber can cause breakage common sight see helpers shading rubber slotted flap Wakefield jobs ways Roger Simpson shades Walt Ghio packs turns Wakefield 44 Model Aviation ustrien nuns acnaiiiei neu secona piace in nut ais qualified model found fraction OT gram under weight Tough break probably caused heat removing moisture Israeli flier ltzhak Ben-ltzhak winds winning Wakefield flight helper shades what looks like glider wing its envelope .n Uuradys tnrew prop oiaae auring second still managed second place US teams Bob erchlO winds hi ite-designel akefiel. model its rubber well-shaded against low slanting sun zoom launches Russians subse quent development throughout world has changed Trick mechanisms used actuate rudder sometimes horizontal tail three four positions corresponding different phases towing launching gliding Wings must strong enough support load 10 15 times weight model during zoom launch may have over 500 parts physical skill stamina required combination middle distance runner dancer expert recommends jogging backwards part physical conditioning routine US Team consisted Jim Wilson Lee Hines Jim Walters Wilson Hines have doing extremely well local competition have previously participated World Champs third member team have Bob Isaacson making 100% Southern California team dropped out because knee injury Walters took fourth place team-selection finals has participated two previous World Champs scored highest among US competitors both occasions Starting 755 under overcast sky Round opened dead air little help gliders few can make three-minute max flights some help thermals JimWalters designated Team Manager Dick Myers fly first started towing 19 minutes after start round followed what must have hectic 12 minutes model aviation history Walters ran side end starting line other half followed half lead entourage helpers carrying thermistor-type thermal detectors throw ing cat-tail fluffies air cranldng away bubble generators watching performance other models less half round remaining Wilson Hines make flights Walters zoomed model off towline what seemed like marglnally good air model failed find significant lift stalled bit entered turbulent air near ground turned flight time 249 11 sec short max Two minutes later Hines started towing weather rapidiy improving another two minutes zoomed model off made max 24 sec spare Wilson started towing immediately lift still easy find After towing 15 mm went off flight exceeded 3 mm max mere 02 sec Only 17 ofthe field of66 maxedon first round teamthe Chinese made maxes end Round US team third place behind China Denmark Walters chance crack individual world championship already past would certainly would max seven rounds didnt prevent him doing best esprit de corps second no other teams US team made maxes following six rounds Chinese model spun in Round Two putting US team second place fourth round Danes dropped 37 sec putting US team January1980 45 Flier Peoples Republic China shows Western nations havent cornered market free flight skill Note tail design Australian Paul VanLeuven prepares last flyoff round Mechanical problems pre vented winding motor fully took 2nd p1 Roger Simpson gets off perfect launch Power Carl Bogarts model inner wing panels par tially covered hard aluminum foil uaioreain wamis iur inermai ueiaiors LU Nowi Slightly oversized engine manufac tured disqualified him third place first place remain giving US its first team World Championship since 1965 tied Italy first Power event its first World Championship ever towline glider event flyoff rounds perfect scores went Wilson Hines US Per Grunnets model proxy-flown twice-world-champ Thomas Koster Denmark Per Qvarnstrom Sweden Heikki Tahkapaa Finland Walter HaIler Switzerland Gottfried Zach Austria Herbert Schmidt West Germany Pieter DeBoer Netherlands 445 weather deteriorating rapidly sun plunged toward crest Coast Range first fly-off round started Schmidt DeBoer missed lift failed max re maining seven made required 5-mm max flights second fly-off round third would last Qvarnstrom launched Hines off minute later what felt lift very good lift perhaps best might come along Both models sank passed over grassy area quarter mile downwind launch line turning scores 333 322 respectively Koster launched two minutes after Hines point considerably upwind model gained bit altitude time reached sinking air over grassy area continued upward slope beyond finally coming rest flight time 411 other three trailed far behind Koster albeit Per Grunnets model came first three-time three-event World Champs winner history Wakefield Rubber Power FiB US team consisted Bob White Bob Piserchio Walt Ghio Piserchio Ghio 1977 team White placed second third fifth previous World Champs has list major wins US long arm first flight relatively uneventful twothirds fliers made 3-mm maxes including US team did max Reiner Hofsass Germany flying high-aspect-ratio Espadon solid-balsa wing high aspect ratio wing permits wash-in wing outside glide circle transforms what would normally stall swooping climb humidity change Home-made transits used measure alti tude models NFFS Tech Task Force headed Fred Pearce Rol Anderson riometar wmtfl sonic output signal Sensitive small changes air pressure used Argentinian team thermal-detection aid hermal detector used thermistor 50 yards upwind another recorder home-brew two-pen drum recorder 46 Model Aviation T Italys Mario Rocca flew superbly crafted model geodetic ribs Italian style first place Used new AD 15 engine Former World Champ Albert DalrOglio plenty smile about home made engine used winning Power flier Mario Rocca Chinas single Power flier Qinfei made fly-offs took sixth place caused wing warp reverse model stalled After drastic readjustment including addition nearly quarter-inch wing inci dence model began perform rather well went well US team until third round Ghios model spun ground under power score 30 sec timeroperated automatic rudder control nor mally flips rudder glide position motor unwound actuated too early White apparently flew bit too early thermal dropped 37 sec Piserchio dropped 51 sec fifth round other teams doing too well either Going Round Seven US team fifth place team maxed Round Seven US team would have taken third place too shabby 22 countries entered Ghio missed thermal US dropped sixth place Only six perfect scores end Round Seven Itzhak Ben-Itzhak Israel age 27 far youngest bunch Paul VanLeuven Australia Dan OGrady Canada Paul Lagan New Zealand Ron Pollard England Hans Zachallmel Austria Lagan Pollard dropped out first flyoff OGrady threw prop blade second failed find lift second attempt using back-up model three fliers going third round last VanLeuven gotten half broken motor stuck twin-rudder model previous round using back-up model Mech anical difficulties made impossible him wind motor fully Both Zachallmel New Zealander flew did make required 6-mm young Israeli broke motor last fly Finally minutes spare launched almost immediate applause crowd apparent model going well Cheers again rose model still good altitude passed Zachallmels score 50year-old Wakefield Trophy cap climax model still going well made six-mm max what OGrady Canadian THE RULES OF PLAY after 3 mm order ease probler round contestant must get model airborne rules procedures complex retrieving models otherwise mighi stay within specified 1 5-mm period briefly itwork like Ailmodels must cc nply ip hours land Los Angeles 15-mm period between rounds forretrievingthe stringent rules regarding weight wing area end seveA regular mi inds model preparations next round engine displacement rubber-motor weight exceptional teas have mt4e 3-mm max fly-off increased minute country has up three contestants entered maxes flights team scores over max previous round event preliminaries consist reckoned according score end weather deteriorating sundown seven rounds one-hour period during seven rounds cases ties scores made approaches thereby decreasing chances members team must fly following fly-off rounds considered modeler launching models upwardscored zero contestant allowed two typical up 15 20 individuals moving thermals max increasing attempts put up official flight event outofa field 60 80 achieve perfect minute round flying doesnt go oil complex rules regarding what counts scores seven rounds final lon& 1979 World Champs final attempt Models scored flight duration placing individuals determined flyoff standing determined third fly-off anything over 3 mm scored 3 mmroundsround three events Contestants equip models fuse fly-offs contestants participate contestant achieved required 6-min max clockwork devices bring down quickly individuals rather teams h fly-off round J January1980 47 mini-computer churned out round-by-round results within minutes end round US Team Manager Dick Myers received momenta signed byteam members Paul MacCready man-power flight fame chatting Carl Goldberg NFFS luncheon speaker Paurs first model Carls Sailplane Swarm killer bees could have caused chaos Actually its aero science run rampant Canadian supporters thrash air under model hope triggering thermal Meuser thought eased tension model lost prop blade previous round frantically preparing model flight timekeeper raised gun signal end round misfired reloaded gun OGrady launched second later gun fired previous round OGradys model maxed prop blade could determined prop blade flew off before model actually launched perhaps flight would have counted turned out model underweight prop blade previous score stood wasnt over yet After event has ended top-placing models checked compliance rules Zachalimels model found underweight about half gram low humidity apparently dried out wood since model weighed three days earlier Scales checked re-checked using master weights accurate few thousandths gram casting possible small error favor contestant model underweight disqualified Van Leuven OGrady moved second third positions Power Fl C US team consisted Doug Galbreath Roger Simpson Carl Bogart Doug print shop produced official program Champs NFFS publications placed sixth 1967 World Champs third 1963 Roger brother Reid have strong Power years regularly fly Doug live Sacramento area talked Doug few weeks before Champs said Roger really ready hes going Bogart showed hometown lads what about flier max out team selection finals year ago team strong others Germany example two ex-World Champs its roster Former World Champ Franz Baumann West Germany first off few minutes after starting gun maxed model flown Thomas Koster Denmark winner 1977 World Champs climbed straight up engine cut model came down tail first finally recovered after losing half its original altitude failed make required 3minute max Galbreaths model climbed height measured 565 feet Technical Project crew during engines 7-sec run made near perfect transition its glide circle made 1 turns its 3-mm glide detherm alized caught Dougs helper Ken Oliver SOft launch point other two US team members Roger Simpson Carl Bogart maxed uneventfully no strong thermals 18 46 contestants made max flights whereas later rounds 30 maxes would typical 18 9 would survive following six rounds partic ipate fly-offs French Canadian US teams ones have members max first round second round uneventful US team again three members maxed third round Simpson made normal climb transition became apparent engine still running ticking away very low rpm Bogart maxed earlier Galbreath flew maxed Simpson prepared second model Time running Out Simpson Launching minute before rounds end little opportunity choosy about thermals Roger flying back-up model missed max 49 sec Canadian French teams missed maxes third round too order team scores France Canada USA would remain way through Round 5 start fourth round previous overcast cleared thermals becoming strong two-thirds flights would maxes Simpson again flying number model flying Continued page 122 48 Model Aviation Allan Wells England processed some 50 Wakefield rubber motors heat took its toll broken motors some fliers ran short PLEASE STATE AXLE DIAMETER Irwin about total number engines pro duced total about million didnt seem quite surprising number 0 & R 23s made total 800000 23s leaves 200000 rest combined 19s 60s 29s 33s Gold Seals Miniatures Wow Incidentally Mark Fechner special izes repair service 0 & Rengines planning produce batch first Ohlsson engine about later Clarence Haught 5 Box 16 CoeurdAlene ID 83814 Free Flight WC/Meuser continued page 48 order changed US Team Manager Dick Myers Simpson flying last order give Galbreath Bogart could possibly make fly-offs little time needed team maxed Rounds 4 5 Koster making good climb-to-glide transitions despite precarious straight-up climb Round 6 Galbreath flew usual nearperfect form Bogart flew engine over-run Simpson fueled up flight Bogart again model ready Team Manager put him ahead Simpson air looked good started engine advice Walt Ohio manning thermal detector shut down Again air looked good fired up launched poor powered-flight pattern scored 136 dropping US fourth place remain Round 7 uneventful US team maxed Former World Champ Hans Seelig Germany maxes thus far started engine quit before could re-start thermal passed again played cautious waiting game Finally started engine again quit re-started immediately launched model nearly looped finally settled its glide pattern half-normal altitude got little help mother nature lost chance Champ again Nine contestants perfect scores through Round 7 USs Doug Gaibreath Mario Rocca Italy Kejiche Kibiki Japan Qinfei China Denis Ferrero Michel Iribarne France Martti Keinanen Finland Frank Schlachta Canada Reinhard Truppe Austria made 4-mi maxes first flyoff though Qinfeis model nearly looped Ferreros beautiful continuous-dihedral models engine power sagged what last fly-off Austna Japan went off immediately Soon after Canadian went off poor power pattern about same time Rocca went off characteristic perfect flight pattern model stalling just bit first glide turn Its habit others followed later Italian max Kibiki Gaibreath posted scores 545 418 second third places again contest wasn t over quite yet Models checked Gaibreaths engine displacement found over 25 cc limit microscopic amount measuring equipment checked re-checked finally engine taken independent lab additional check Still over little choice disqualify Galbreath ironically Galbreaths flight scores set zero US teams score placed below dozen countries engines checked indeed tough disquality two outstanding performances essentially trivial deviations rules could have affected performance models least amount True Zachallmel perhaps should have built model close edge perhaps should have figured low humidity drying out model bit Galbreath could have requested engine-displacement check during processing would expect commer cially-built engine intended particular competition class modified way would affect its displacement overdisplaced rewards competition supposed skill building flying model aircraft skill complying knit-picky rules No happy over decision disqualify Zachalimel Galbreath least runners-up profited decisions sterile statistics will show scores zero two will know statistics dont tell real story tough sure play game played according strict rules rules must prevail no question terpretation rules might other aspects rules opinion isnt necessarily popular dont see make decisions could have good conscience done anything other what did didnt notice wringing hands glee over decisions made would inappropriate dwell performances competitors least mentioning made competition possible although deserve far well simply list Competition Director Bill Hartill SCAT Contest Administrator Hardy Brodersen National Free Flight Society Contest Manager Bill Bogart SCAT FAI Jury chartered adjudicate rules-book matters headed Sandy Pimenoff Finland backed up Ian Kaynes England George Xenakis US Event Directors Juan Livotto Irv Aker Ed Carroll Chief Timekeeper Andy Faykun Chief Scorekeeper Gail Gewain Processing Director Bob Hatschek Proxy Coordinator Jim Quinn NFFS International Symposium Coordinator Editor Ray Harlan NFFS Technical Task Force Director Fred Pearce assistance Dennis Mihora Chris Matsuno Andy Bauer Rol Anderson others NFFS Plans Book Editor Dave Linstrum AMA President Earl Witt AMA District X VicePresident Jim Scarborough AMA Headquarters staff John Worth Executive Di rector Frank Ebling Technical Director Mich elene Madison FAI Activities Coordinator Giselle Jackson stayed up nights making certain money went right places Matt Gewain donated use personal Apple II computer its snazzy peripheral dot-matrix printer pro grammed right things data many others FF Sport/Scale/Warner continued page 54 Angeles bunch dedicated volunteers sets up hall full tables begins registering models brought such exotic places Van couver Canada Las Vegas Nevada Gaines ville Florida Lake Havasu Arizona San Diego contingent arrives force old friends made through marvelous medium modeling share smiles hearty handshakes good-natured cajolery Cracks Itll never fly Too bad never real like expected dispensed rolling eyes upward moaning No ever comes away empty-handed Saturday scale exhibit judging appreciative comments people judgment take gospel like Krugerrands pocket Ques tions got particular finish ever found three-view plane treasured pot-metal 122 Model Aviation FOdOHARDWARE WORKING TURNBUCKLES RIGGING & CONTROL CABLE CONTROL HORNS STRUT FITTINGS K CORD COCKPIT TRIM~ PULLEYS INSTRUMENT HOUSINGS information ando ata logue S end Si 00 Ilodw ENT CORP PO Box 9641 SAN DIEGOCA92109 THE NEW FIREBALL GLOW PLUGS ARE LEAKPROOF AND BLOWOUT PROOF EVEN FOR THE NEW MONSTER ENGINES BUT THEY ARE STILL THE OLD PRICE OF $1 10 WRITE NOWI SWANSON P 0 Bo Wayn eX 07470 SKIS* $898 $1750 pair C z 5 -K -a ICUSTOM MACHINING COAd $210 Pwtq HadIig I100 FIFTH AVENUEoxs R,deSAdg4%TC I NEWBUAGH NEW YORK 12550 nPATENT APPLIED LAST INIRLLRIIUI EASIER LANDING GREAT FOR BEGINNERS USE ON SNOW SAND AND MARSH SAFE FLYING IS NO ACCIDENT
Edition: Model Aviation - 1980/01
Page Numbers: 42, 43, 44, 45, 46, 47, 48, 122
YUGOSLAVIA offered host 1979 World Free Flight World Championships its offer accepted FAI organization governing international aero-sport activities offer later made contingent exclusion South Africa made offer unacceptable little time necessary homework US offered host Champs backup other countrys offer no other offer made US offer accepted organizersthe Southern California Aero Team SCAT National Free Flight Society NFF S course AMAhad tiger tail no easy task provide meals lodging transportation some 600 contestants sup porters officials staff volunteer workers flying site some 45 miles head quarters Bakersfield Inn required improve ments accommodate such mob Arrange ments various peripheral activities such opening ceremony awards banquet First International Symposium NFFS made competition itself played according stringent rules involved model processing impounding rubber motors issuing standard fuel power models obtaining coordinating dozens volunteers handle jobs timekeeping scorekeeping crowd control publication results host other chores Big League made US Ftee Flight Champs Nats seem like sand-lot games comparison say went off hitch would untrue darned few hitches few occured got unhitched hurry Considering aside AMA activities whole thing put together amateurs no previous experience running World Champs stands tribute American know-how Yankee ingenuity efficacy dedicated amateurs Despite great distance FAI-member nations western Europe partici pation down 15 20% Champs held Europe largely due lack participation Iron Curtain countries political reasons Sandy Pimenoff FAI official put speech awards banquet first time Peoples Republic China participated first time China participated international sport ing competition outside Orient recent history New Zealand because shorter travel distance able send teams whereas before activity confined largely sending models flown proxy course eyes Chinese forthey Great Unknown Would turn up exotic perhaps antiquated creations bamboo rice paper ultra-sophisticated creations concocted boron fiber epoxy resins plastic films Something between way turned out few innovations own could considered advances state art Clearly received western-world aeromodeling publications well aware state art extracted what liked discarded what didnt added personal touch models constructed almost entirely local wood called Tunga fine grained density less spruce equal hardest balsa tissue like staff know rather rough Balsa used diagonal ribs few models according interpreter seemed have somewhat wider application possibly trailing edges wing-tip fairings models over weight rubber used propel Wakefield models made China seemed roughly equal familiar although used larger number strands smaller cross-section used made-in-China clockwork timers like German Seelig timers made-in-Japan timers see Wake field models equipped tinier-operated linear cams adjust tailplane incidence angle continuously during initial burst power used no sophisticaed thermal-detect ing methods clearly knew find thermals team post maxes first round towline glider event single power flier Qinfei made fly-off rounds wound up sixth place 1979 FREE FLK*IT WORLD CHAMPIONSHIPS TAFTCAUSA rer uvarnairom Sweaen TOOK secona towtine giiaer evem Aeromodeling recognized sport China official literature seemed ts Perfection norm Launching taught schools Several hundred par- about same sort folks rest us well-chosen thermals flight after flight ticipated team-selection process site near oil town Taft wasnt scarcely worthy mention merely minor World Champs teams regional semi-finals perfect adequate weather deviations perfection separate hems finals Peking average age 38 about what could have expected also ran report neces married raising couple probable statistics last 10 years sarily main chronicle goof-ups kids team members came walks Maximum temperature did exceed 900F life professionals workers Well first day competition Nordic A12 Towline Glider FIA Without ignore connotation professionals dont lower day thereafter no rain engine rubber motor towline glider models work notthe round-faced ever-happy moderate winds seem deceptively simple perhaps always smiling peasants depicted some funny game play typical decade ago invention circle towing January1980 43 1 Flying Per c3runnet towline glider Thomas Koster WOK Tirat-piace trophy home Denmark third time Noted name Power victorious US iowiine glider team manes ii no secret Number R Jim Wilson Lee Hines Jim Walters Heikki Tahkapaa Finland captured fifth place towline glider Walter Hailer Switzerland tied fifth place towirne giber Israeli flier Giora Hertsberg employed unique tail Hot sun exposed rubber can cause breakage common sight see helpers shading rubber slotted flap Wakefield jobs ways Roger Simpson shades Walt Ghio packs turns Wakefield 44 Model Aviation ustrien nuns acnaiiiei neu secona piace in nut ais qualified model found fraction OT gram under weight Tough break probably caused heat removing moisture Israeli flier ltzhak Ben-ltzhak winds winning Wakefield flight helper shades what looks like glider wing its envelope .n Uuradys tnrew prop oiaae auring second still managed second place US teams Bob erchlO winds hi ite-designel akefiel. model its rubber well-shaded against low slanting sun zoom launches Russians subse quent development throughout world has changed Trick mechanisms used actuate rudder sometimes horizontal tail three four positions corresponding different phases towing launching gliding Wings must strong enough support load 10 15 times weight model during zoom launch may have over 500 parts physical skill stamina required combination middle distance runner dancer expert recommends jogging backwards part physical conditioning routine US Team consisted Jim Wilson Lee Hines Jim Walters Wilson Hines have doing extremely well local competition have previously participated World Champs third member team have Bob Isaacson making 100% Southern California team dropped out because knee injury Walters took fourth place team-selection finals has participated two previous World Champs scored highest among US competitors both occasions Starting 755 under overcast sky Round opened dead air little help gliders few can make three-minute max flights some help thermals JimWalters designated Team Manager Dick Myers fly first started towing 19 minutes after start round followed what must have hectic 12 minutes model aviation history Walters ran side end starting line other half followed half lead entourage helpers carrying thermistor-type thermal detectors throw ing cat-tail fluffies air cranldng away bubble generators watching performance other models less half round remaining Wilson Hines make flights Walters zoomed model off towline what seemed like marglnally good air model failed find significant lift stalled bit entered turbulent air near ground turned flight time 249 11 sec short max Two minutes later Hines started towing weather rapidiy improving another two minutes zoomed model off made max 24 sec spare Wilson started towing immediately lift still easy find After towing 15 mm went off flight exceeded 3 mm max mere 02 sec Only 17 ofthe field of66 maxedon first round teamthe Chinese made maxes end Round US team third place behind China Denmark Walters chance crack individual world championship already past would certainly would max seven rounds didnt prevent him doing best esprit de corps second no other teams US team made maxes following six rounds Chinese model spun in Round Two putting US team second place fourth round Danes dropped 37 sec putting US team January1980 45 Flier Peoples Republic China shows Western nations havent cornered market free flight skill Note tail design Australian Paul VanLeuven prepares last flyoff round Mechanical problems pre vented winding motor fully took 2nd p1 Roger Simpson gets off perfect launch Power Carl Bogarts model inner wing panels par tially covered hard aluminum foil uaioreain wamis iur inermai ueiaiors LU Nowi Slightly oversized engine manufac tured disqualified him third place first place remain giving US its first team World Championship since 1965 tied Italy first Power event its first World Championship ever towline glider event flyoff rounds perfect scores went Wilson Hines US Per Grunnets model proxy-flown twice-world-champ Thomas Koster Denmark Per Qvarnstrom Sweden Heikki Tahkapaa Finland Walter HaIler Switzerland Gottfried Zach Austria Herbert Schmidt West Germany Pieter DeBoer Netherlands 445 weather deteriorating rapidly sun plunged toward crest Coast Range first fly-off round started Schmidt DeBoer missed lift failed max re maining seven made required 5-mm max flights second fly-off round third would last Qvarnstrom launched Hines off minute later what felt lift very good lift perhaps best might come along Both models sank passed over grassy area quarter mile downwind launch line turning scores 333 322 respectively Koster launched two minutes after Hines point considerably upwind model gained bit altitude time reached sinking air over grassy area continued upward slope beyond finally coming rest flight time 411 other three trailed far behind Koster albeit Per Grunnets model came first three-time three-event World Champs winner history Wakefield Rubber Power FiB US team consisted Bob White Bob Piserchio Walt Ghio Piserchio Ghio 1977 team White placed second third fifth previous World Champs has list major wins US long arm first flight relatively uneventful twothirds fliers made 3-mm maxes including US team did max Reiner Hofsass Germany flying high-aspect-ratio Espadon solid-balsa wing high aspect ratio wing permits wash-in wing outside glide circle transforms what would normally stall swooping climb humidity change Home-made transits used measure alti tude models NFFS Tech Task Force headed Fred Pearce Rol Anderson riometar wmtfl sonic output signal Sensitive small changes air pressure used Argentinian team thermal-detection aid hermal detector used thermistor 50 yards upwind another recorder home-brew two-pen drum recorder 46 Model Aviation T Italys Mario Rocca flew superbly crafted model geodetic ribs Italian style first place Used new AD 15 engine Former World Champ Albert DalrOglio plenty smile about home made engine used winning Power flier Mario Rocca Chinas single Power flier Qinfei made fly-offs took sixth place caused wing warp reverse model stalled After drastic readjustment including addition nearly quarter-inch wing inci dence model began perform rather well went well US team until third round Ghios model spun ground under power score 30 sec timeroperated automatic rudder control nor mally flips rudder glide position motor unwound actuated too early White apparently flew bit too early thermal dropped 37 sec Piserchio dropped 51 sec fifth round other teams doing too well either Going Round Seven US team fifth place team maxed Round Seven US team would have taken third place too shabby 22 countries entered Ghio missed thermal US dropped sixth place Only six perfect scores end Round Seven Itzhak Ben-Itzhak Israel age 27 far youngest bunch Paul VanLeuven Australia Dan OGrady Canada Paul Lagan New Zealand Ron Pollard England Hans Zachallmel Austria Lagan Pollard dropped out first flyoff OGrady threw prop blade second failed find lift second attempt using back-up model three fliers going third round last VanLeuven gotten half broken motor stuck twin-rudder model previous round using back-up model Mech anical difficulties made impossible him wind motor fully Both Zachallmel New Zealander flew did make required 6-mm young Israeli broke motor last fly Finally minutes spare launched almost immediate applause crowd apparent model going well Cheers again rose model still good altitude passed Zachallmels score 50year-old Wakefield Trophy cap climax model still going well made six-mm max what OGrady Canadian THE RULES OF PLAY after 3 mm order ease probler round contestant must get model airborne rules procedures complex retrieving models otherwise mighi stay within specified 1 5-mm period briefly itwork like Ailmodels must cc nply ip hours land Los Angeles 15-mm period between rounds forretrievingthe stringent rules regarding weight wing area end seveA regular mi inds model preparations next round engine displacement rubber-motor weight exceptional teas have mt4e 3-mm max fly-off increased minute country has up three contestants entered maxes flights team scores over max previous round event preliminaries consist reckoned according score end weather deteriorating sundown seven rounds one-hour period during seven rounds cases ties scores made approaches thereby decreasing chances members team must fly following fly-off rounds considered modeler launching models upwardscored zero contestant allowed two typical up 15 20 individuals moving thermals max increasing attempts put up official flight event outofa field 60 80 achieve perfect minute round flying doesnt go oil complex rules regarding what counts scores seven rounds final lon& 1979 World Champs final attempt Models scored flight duration placing individuals determined flyoff standing determined third fly-off anything over 3 mm scored 3 mmroundsround three events Contestants equip models fuse fly-offs contestants participate contestant achieved required 6-min max clockwork devices bring down quickly individuals rather teams h fly-off round J January1980 47 mini-computer churned out round-by-round results within minutes end round US Team Manager Dick Myers received momenta signed byteam members Paul MacCready man-power flight fame chatting Carl Goldberg NFFS luncheon speaker Paurs first model Carls Sailplane Swarm killer bees could have caused chaos Actually its aero science run rampant Canadian supporters thrash air under model hope triggering thermal Meuser thought eased tension model lost prop blade previous round frantically preparing model flight timekeeper raised gun signal end round misfired reloaded gun OGrady launched second later gun fired previous round OGradys model maxed prop blade could determined prop blade flew off before model actually launched perhaps flight would have counted turned out model underweight prop blade previous score stood wasnt over yet After event has ended top-placing models checked compliance rules Zachalimels model found underweight about half gram low humidity apparently dried out wood since model weighed three days earlier Scales checked re-checked using master weights accurate few thousandths gram casting possible small error favor contestant model underweight disqualified Van Leuven OGrady moved second third positions Power Fl C US team consisted Doug Galbreath Roger Simpson Carl Bogart Doug print shop produced official program Champs NFFS publications placed sixth 1967 World Champs third 1963 Roger brother Reid have strong Power years regularly fly Doug live Sacramento area talked Doug few weeks before Champs said Roger really ready hes going Bogart showed hometown lads what about flier max out team selection finals year ago team strong others Germany example two ex-World Champs its roster Former World Champ Franz Baumann West Germany first off few minutes after starting gun maxed model flown Thomas Koster Denmark winner 1977 World Champs climbed straight up engine cut model came down tail first finally recovered after losing half its original altitude failed make required 3minute max Galbreaths model climbed height measured 565 feet Technical Project crew during engines 7-sec run made near perfect transition its glide circle made 1 turns its 3-mm glide detherm alized caught Dougs helper Ken Oliver SOft launch point other two US team members Roger Simpson Carl Bogart maxed uneventfully no strong thermals 18 46 contestants made max flights whereas later rounds 30 maxes would typical 18 9 would survive following six rounds partic ipate fly-offs French Canadian US teams ones have members max first round second round uneventful US team again three members maxed third round Simpson made normal climb transition became apparent engine still running ticking away very low rpm Bogart maxed earlier Galbreath flew maxed Simpson prepared second model Time running Out Simpson Launching minute before rounds end little opportunity choosy about thermals Roger flying back-up model missed max 49 sec Canadian French teams missed maxes third round too order team scores France Canada USA would remain way through Round 5 start fourth round previous overcast cleared thermals becoming strong two-thirds flights would maxes Simpson again flying number model flying Continued page 122 48 Model Aviation Allan Wells England processed some 50 Wakefield rubber motors heat took its toll broken motors some fliers ran short PLEASE STATE AXLE DIAMETER Irwin about total number engines pro duced total about million didnt seem quite surprising number 0 & R 23s made total 800000 23s leaves 200000 rest combined 19s 60s 29s 33s Gold Seals Miniatures Wow Incidentally Mark Fechner special izes repair service 0 & Rengines planning produce batch first Ohlsson engine about later Clarence Haught 5 Box 16 CoeurdAlene ID 83814 Free Flight WC/Meuser continued page 48 order changed US Team Manager Dick Myers Simpson flying last order give Galbreath Bogart could possibly make fly-offs little time needed team maxed Rounds 4 5 Koster making good climb-to-glide transitions despite precarious straight-up climb Round 6 Galbreath flew usual nearperfect form Bogart flew engine over-run Simpson fueled up flight Bogart again model ready Team Manager put him ahead Simpson air looked good started engine advice Walt Ohio manning thermal detector shut down Again air looked good fired up launched poor powered-flight pattern scored 136 dropping US fourth place remain Round 7 uneventful US team maxed Former World Champ Hans Seelig Germany maxes thus far started engine quit before could re-start thermal passed again played cautious waiting game Finally started engine again quit re-started immediately launched model nearly looped finally settled its glide pattern half-normal altitude got little help mother nature lost chance Champ again Nine contestants perfect scores through Round 7 USs Doug Gaibreath Mario Rocca Italy Kejiche Kibiki Japan Qinfei China Denis Ferrero Michel Iribarne France Martti Keinanen Finland Frank Schlachta Canada Reinhard Truppe Austria made 4-mi maxes first flyoff though Qinfeis model nearly looped Ferreros beautiful continuous-dihedral models engine power sagged what last fly-off Austna Japan went off immediately Soon after Canadian went off poor power pattern about same time Rocca went off characteristic perfect flight pattern model stalling just bit first glide turn Its habit others followed later Italian max Kibiki Gaibreath posted scores 545 418 second third places again contest wasn t over quite yet Models checked Gaibreaths engine displacement found over 25 cc limit microscopic amount measuring equipment checked re-checked finally engine taken independent lab additional check Still over little choice disqualify Galbreath ironically Galbreaths flight scores set zero US teams score placed below dozen countries engines checked indeed tough disquality two outstanding performances essentially trivial deviations rules could have affected performance models least amount True Zachallmel perhaps should have built model close edge perhaps should have figured low humidity drying out model bit Galbreath could have requested engine-displacement check during processing would expect commer cially-built engine intended particular competition class modified way would affect its displacement overdisplaced rewards competition supposed skill building flying model aircraft skill complying knit-picky rules No happy over decision disqualify Zachalimel Galbreath least runners-up profited decisions sterile statistics will show scores zero two will know statistics dont tell real story tough sure play game played according strict rules rules must prevail no question terpretation rules might other aspects rules opinion isnt necessarily popular dont see make decisions could have good conscience done anything other what did didnt notice wringing hands glee over decisions made would inappropriate dwell performances competitors least mentioning made competition possible although deserve far well simply list Competition Director Bill Hartill SCAT Contest Administrator Hardy Brodersen National Free Flight Society Contest Manager Bill Bogart SCAT FAI Jury chartered adjudicate rules-book matters headed Sandy Pimenoff Finland backed up Ian Kaynes England George Xenakis US Event Directors Juan Livotto Irv Aker Ed Carroll Chief Timekeeper Andy Faykun Chief Scorekeeper Gail Gewain Processing Director Bob Hatschek Proxy Coordinator Jim Quinn NFFS International Symposium Coordinator Editor Ray Harlan NFFS Technical Task Force Director Fred Pearce assistance Dennis Mihora Chris Matsuno Andy Bauer Rol Anderson others NFFS Plans Book Editor Dave Linstrum AMA President Earl Witt AMA District X VicePresident Jim Scarborough AMA Headquarters staff John Worth Executive Di rector Frank Ebling Technical Director Mich elene Madison FAI Activities Coordinator Giselle Jackson stayed up nights making certain money went right places Matt Gewain donated use personal Apple II computer its snazzy peripheral dot-matrix printer pro grammed right things data many others FF Sport/Scale/Warner continued page 54 Angeles bunch dedicated volunteers sets up hall full tables begins registering models brought such exotic places Van couver Canada Las Vegas Nevada Gaines ville Florida Lake Havasu Arizona San Diego contingent arrives force old friends made through marvelous medium modeling share smiles hearty handshakes good-natured cajolery Cracks Itll never fly Too bad never real like expected dispensed rolling eyes upward moaning No ever comes away empty-handed Saturday scale exhibit judging appreciative comments people judgment take gospel like Krugerrands pocket Ques tions got particular finish ever found three-view plane treasured pot-metal 122 Model Aviation FOdOHARDWARE WORKING TURNBUCKLES RIGGING & CONTROL CABLE CONTROL HORNS STRUT FITTINGS K CORD COCKPIT TRIM~ PULLEYS INSTRUMENT HOUSINGS information ando ata logue S end Si 00 Ilodw ENT CORP PO Box 9641 SAN DIEGOCA92109 THE NEW FIREBALL GLOW PLUGS ARE LEAKPROOF AND BLOWOUT PROOF EVEN FOR THE NEW MONSTER ENGINES BUT THEY ARE STILL THE OLD PRICE OF $1 10 WRITE NOWI SWANSON P 0 Bo Wayn eX 07470 SKIS* $898 $1750 pair C z 5 -K -a ICUSTOM MACHINING COAd $210 Pwtq HadIig I100 FIFTH AVENUEoxs R,deSAdg4%TC I NEWBUAGH NEW YORK 12550 nPATENT APPLIED LAST INIRLLRIIUI EASIER LANDING GREAT FOR BEGINNERS USE ON SNOW SAND AND MARSH SAFE FLYING IS NO ACCIDENT
Edition: Model Aviation - 1980/01
Page Numbers: 42, 43, 44, 45, 46, 47, 48, 122
YUGOSLAVIA offered host 1979 World Free Flight World Championships its offer accepted FAI organization governing international aero-sport activities offer later made contingent exclusion South Africa made offer unacceptable little time necessary homework US offered host Champs backup other countrys offer no other offer made US offer accepted organizersthe Southern California Aero Team SCAT National Free Flight Society NFF S course AMAhad tiger tail no easy task provide meals lodging transportation some 600 contestants sup porters officials staff volunteer workers flying site some 45 miles head quarters Bakersfield Inn required improve ments accommodate such mob Arrange ments various peripheral activities such opening ceremony awards banquet First International Symposium NFFS made competition itself played according stringent rules involved model processing impounding rubber motors issuing standard fuel power models obtaining coordinating dozens volunteers handle jobs timekeeping scorekeeping crowd control publication results host other chores Big League made US Ftee Flight Champs Nats seem like sand-lot games comparison say went off hitch would untrue darned few hitches few occured got unhitched hurry Considering aside AMA activities whole thing put together amateurs no previous experience running World Champs stands tribute American know-how Yankee ingenuity efficacy dedicated amateurs Despite great distance FAI-member nations western Europe partici pation down 15 20% Champs held Europe largely due lack participation Iron Curtain countries political reasons Sandy Pimenoff FAI official put speech awards banquet first time Peoples Republic China participated first time China participated international sport ing competition outside Orient recent history New Zealand because shorter travel distance able send teams whereas before activity confined largely sending models flown proxy course eyes Chinese forthey Great Unknown Would turn up exotic perhaps antiquated creations bamboo rice paper ultra-sophisticated creations concocted boron fiber epoxy resins plastic films Something between way turned out few innovations own could considered advances state art Clearly received western-world aeromodeling publications well aware state art extracted what liked discarded what didnt added personal touch models constructed almost entirely local wood called Tunga fine grained density less spruce equal hardest balsa tissue like staff know rather rough Balsa used diagonal ribs few models according interpreter seemed have somewhat wider application possibly trailing edges wing-tip fairings models over weight rubber used propel Wakefield models made China seemed roughly equal familiar although used larger number strands smaller cross-section used made-in-China clockwork timers like German Seelig timers made-in-Japan timers see Wake field models equipped tinier-operated linear cams adjust tailplane incidence angle continuously during initial burst power used no sophisticaed thermal-detect ing methods clearly knew find thermals team post maxes first round towline glider event single power flier Qinfei made fly-off rounds wound up sixth place 1979 FREE FLK*IT WORLD CHAMPIONSHIPS TAFTCAUSA rer uvarnairom Sweaen TOOK secona towtine giiaer evem Aeromodeling recognized sport China official literature seemed ts Perfection norm Launching taught schools Several hundred par- about same sort folks rest us well-chosen thermals flight after flight ticipated team-selection process site near oil town Taft wasnt scarcely worthy mention merely minor World Champs teams regional semi-finals perfect adequate weather deviations perfection separate hems finals Peking average age 38 about what could have expected also ran report neces married raising couple probable statistics last 10 years sarily main chronicle goof-ups kids team members came walks Maximum temperature did exceed 900F life professionals workers Well first day competition Nordic A12 Towline Glider FIA Without ignore connotation professionals dont lower day thereafter no rain engine rubber motor towline glider models work notthe round-faced ever-happy moderate winds seem deceptively simple perhaps always smiling peasants depicted some funny game play typical decade ago invention circle towing January1980 43 1 Flying Per c3runnet towline glider Thomas Koster WOK Tirat-piace trophy home Denmark third time Noted name Power victorious US iowiine glider team manes ii no secret Number R Jim Wilson Lee Hines Jim Walters Heikki Tahkapaa Finland captured fifth place towline glider Walter Hailer Switzerland tied fifth place towirne giber Israeli flier Giora Hertsberg employed unique tail Hot sun exposed rubber can cause breakage common sight see helpers shading rubber slotted flap Wakefield jobs ways Roger Simpson shades Walt Ghio packs turns Wakefield 44 Model Aviation ustrien nuns acnaiiiei neu secona piace in nut ais qualified model found fraction OT gram under weight Tough break probably caused heat removing moisture Israeli flier ltzhak Ben-ltzhak winds winning Wakefield flight helper shades what looks like glider wing its envelope .n Uuradys tnrew prop oiaae auring second still managed second place US teams Bob erchlO winds hi ite-designel akefiel. model its rubber well-shaded against low slanting sun zoom launches Russians subse quent development throughout world has changed Trick mechanisms used actuate rudder sometimes horizontal tail three four positions corresponding different phases towing launching gliding Wings must strong enough support load 10 15 times weight model during zoom launch may have over 500 parts physical skill stamina required combination middle distance runner dancer expert recommends jogging backwards part physical conditioning routine US Team consisted Jim Wilson Lee Hines Jim Walters Wilson Hines have doing extremely well local competition have previously participated World Champs third member team have Bob Isaacson making 100% Southern California team dropped out because knee injury Walters took fourth place team-selection finals has participated two previous World Champs scored highest among US competitors both occasions Starting 755 under overcast sky Round opened dead air little help gliders few can make three-minute max flights some help thermals JimWalters designated Team Manager Dick Myers fly first started towing 19 minutes after start round followed what must have hectic 12 minutes model aviation history Walters ran side end starting line other half followed half lead entourage helpers carrying thermistor-type thermal detectors throw ing cat-tail fluffies air cranldng away bubble generators watching performance other models less half round remaining Wilson Hines make flights Walters zoomed model off towline what seemed like marglnally good air model failed find significant lift stalled bit entered turbulent air near ground turned flight time 249 11 sec short max Two minutes later Hines started towing weather rapidiy improving another two minutes zoomed model off made max 24 sec spare Wilson started towing immediately lift still easy find After towing 15 mm went off flight exceeded 3 mm max mere 02 sec Only 17 ofthe field of66 maxedon first round teamthe Chinese made maxes end Round US team third place behind China Denmark Walters chance crack individual world championship already past would certainly would max seven rounds didnt prevent him doing best esprit de corps second no other teams US team made maxes following six rounds Chinese model spun in Round Two putting US team second place fourth round Danes dropped 37 sec putting US team January1980 45 Flier Peoples Republic China shows Western nations havent cornered market free flight skill Note tail design Australian Paul VanLeuven prepares last flyoff round Mechanical problems pre vented winding motor fully took 2nd p1 Roger Simpson gets off perfect launch Power Carl Bogarts model inner wing panels par tially covered hard aluminum foil uaioreain wamis iur inermai ueiaiors LU Nowi Slightly oversized engine manufac tured disqualified him third place first place remain giving US its first team World Championship since 1965 tied Italy first Power event its first World Championship ever towline glider event flyoff rounds perfect scores went Wilson Hines US Per Grunnets model proxy-flown twice-world-champ Thomas Koster Denmark Per Qvarnstrom Sweden Heikki Tahkapaa Finland Walter HaIler Switzerland Gottfried Zach Austria Herbert Schmidt West Germany Pieter DeBoer Netherlands 445 weather deteriorating rapidly sun plunged toward crest Coast Range first fly-off round started Schmidt DeBoer missed lift failed max re maining seven made required 5-mm max flights second fly-off round third would last Qvarnstrom launched Hines off minute later what felt lift very good lift perhaps best might come along Both models sank passed over grassy area quarter mile downwind launch line turning scores 333 322 respectively Koster launched two minutes after Hines point considerably upwind model gained bit altitude time reached sinking air over grassy area continued upward slope beyond finally coming rest flight time 411 other three trailed far behind Koster albeit Per Grunnets model came first three-time three-event World Champs winner history Wakefield Rubber Power FiB US team consisted Bob White Bob Piserchio Walt Ghio Piserchio Ghio 1977 team White placed second third fifth previous World Champs has list major wins US long arm first flight relatively uneventful twothirds fliers made 3-mm maxes including US team did max Reiner Hofsass Germany flying high-aspect-ratio Espadon solid-balsa wing high aspect ratio wing permits wash-in wing outside glide circle transforms what would normally stall swooping climb humidity change Home-made transits used measure alti tude models NFFS Tech Task Force headed Fred Pearce Rol Anderson riometar wmtfl sonic output signal Sensitive small changes air pressure used Argentinian team thermal-detection aid hermal detector used thermistor 50 yards upwind another recorder home-brew two-pen drum recorder 46 Model Aviation T Italys Mario Rocca flew superbly crafted model geodetic ribs Italian style first place Used new AD 15 engine Former World Champ Albert DalrOglio plenty smile about home made engine used winning Power flier Mario Rocca Chinas single Power flier Qinfei made fly-offs took sixth place caused wing warp reverse model stalled After drastic readjustment including addition nearly quarter-inch wing inci dence model began perform rather well went well US team until third round Ghios model spun ground under power score 30 sec timeroperated automatic rudder control nor mally flips rudder glide position motor unwound actuated too early White apparently flew bit too early thermal dropped 37 sec Piserchio dropped 51 sec fifth round other teams doing too well either Going Round Seven US team fifth place team maxed Round Seven US team would have taken third place too shabby 22 countries entered Ghio missed thermal US dropped sixth place Only six perfect scores end Round Seven Itzhak Ben-Itzhak Israel age 27 far youngest bunch Paul VanLeuven Australia Dan OGrady Canada Paul Lagan New Zealand Ron Pollard England Hans Zachallmel Austria Lagan Pollard dropped out first flyoff OGrady threw prop blade second failed find lift second attempt using back-up model three fliers going third round last VanLeuven gotten half broken motor stuck twin-rudder model previous round using back-up model Mech anical difficulties made impossible him wind motor fully Both Zachallmel New Zealander flew did make required 6-mm young Israeli broke motor last fly Finally minutes spare launched almost immediate applause crowd apparent model going well Cheers again rose model still good altitude passed Zachallmels score 50year-old Wakefield Trophy cap climax model still going well made six-mm max what OGrady Canadian THE RULES OF PLAY after 3 mm order ease probler round contestant must get model airborne rules procedures complex retrieving models otherwise mighi stay within specified 1 5-mm period briefly itwork like Ailmodels must cc nply ip hours land Los Angeles 15-mm period between rounds forretrievingthe stringent rules regarding weight wing area end seveA regular mi inds model preparations next round engine displacement rubber-motor weight exceptional teas have mt4e 3-mm max fly-off increased minute country has up three contestants entered maxes flights team scores over max previous round event preliminaries consist reckoned according score end weather deteriorating sundown seven rounds one-hour period during seven rounds cases ties scores made approaches thereby decreasing chances members team must fly following fly-off rounds considered modeler launching models upwardscored zero contestant allowed two typical up 15 20 individuals moving thermals max increasing attempts put up official flight event outofa field 60 80 achieve perfect minute round flying doesnt go oil complex rules regarding what counts scores seven rounds final lon& 1979 World Champs final attempt Models scored flight duration placing individuals determined flyoff standing determined third fly-off anything over 3 mm scored 3 mmroundsround three events Contestants equip models fuse fly-offs contestants participate contestant achieved required 6-min max clockwork devices bring down quickly individuals rather teams h fly-off round J January1980 47 mini-computer churned out round-by-round results within minutes end round US Team Manager Dick Myers received momenta signed byteam members Paul MacCready man-power flight fame chatting Carl Goldberg NFFS luncheon speaker Paurs first model Carls Sailplane Swarm killer bees could have caused chaos Actually its aero science run rampant Canadian supporters thrash air under model hope triggering thermal Meuser thought eased tension model lost prop blade previous round frantically preparing model flight timekeeper raised gun signal end round misfired reloaded gun OGrady launched second later gun fired previous round OGradys model maxed prop blade could determined prop blade flew off before model actually launched perhaps flight would have counted turned out model underweight prop blade previous score stood wasnt over yet After event has ended top-placing models checked compliance rules Zachalimels model found underweight about half gram low humidity apparently dried out wood since model weighed three days earlier Scales checked re-checked using master weights accurate few thousandths gram casting possible small error favor contestant model underweight disqualified Van Leuven OGrady moved second third positions Power Fl C US team consisted Doug Galbreath Roger Simpson Carl Bogart Doug print shop produced official program Champs NFFS publications placed sixth 1967 World Champs third 1963 Roger brother Reid have strong Power years regularly fly Doug live Sacramento area talked Doug few weeks before Champs said Roger really ready hes going Bogart showed hometown lads what about flier max out team selection finals year ago team strong others Germany example two ex-World Champs its roster Former World Champ Franz Baumann West Germany first off few minutes after starting gun maxed model flown Thomas Koster Denmark winner 1977 World Champs climbed straight up engine cut model came down tail first finally recovered after losing half its original altitude failed make required 3minute max Galbreaths model climbed height measured 565 feet Technical Project crew during engines 7-sec run made near perfect transition its glide circle made 1 turns its 3-mm glide detherm alized caught Dougs helper Ken Oliver SOft launch point other two US team members Roger Simpson Carl Bogart maxed uneventfully no strong thermals 18 46 contestants made max flights whereas later rounds 30 maxes would typical 18 9 would survive following six rounds partic ipate fly-offs French Canadian US teams ones have members max first round second round uneventful US team again three members maxed third round Simpson made normal climb transition became apparent engine still running ticking away very low rpm Bogart maxed earlier Galbreath flew maxed Simpson prepared second model Time running Out Simpson Launching minute before rounds end little opportunity choosy about thermals Roger flying back-up model missed max 49 sec Canadian French teams missed maxes third round too order team scores France Canada USA would remain way through Round 5 start fourth round previous overcast cleared thermals becoming strong two-thirds flights would maxes Simpson again flying number model flying Continued page 122 48 Model Aviation Allan Wells England processed some 50 Wakefield rubber motors heat took its toll broken motors some fliers ran short PLEASE STATE AXLE DIAMETER Irwin about total number engines pro duced total about million didnt seem quite surprising number 0 & R 23s made total 800000 23s leaves 200000 rest combined 19s 60s 29s 33s Gold Seals Miniatures Wow Incidentally Mark Fechner special izes repair service 0 & Rengines planning produce batch first Ohlsson engine about later Clarence Haught 5 Box 16 CoeurdAlene ID 83814 Free Flight WC/Meuser continued page 48 order changed US Team Manager Dick Myers Simpson flying last order give Galbreath Bogart could possibly make fly-offs little time needed team maxed Rounds 4 5 Koster making good climb-to-glide transitions despite precarious straight-up climb Round 6 Galbreath flew usual nearperfect form Bogart flew engine over-run Simpson fueled up flight Bogart again model ready Team Manager put him ahead Simpson air looked good started engine advice Walt Ohio manning thermal detector shut down Again air looked good fired up launched poor powered-flight pattern scored 136 dropping US fourth place remain Round 7 uneventful US team maxed Former World Champ Hans Seelig Germany maxes thus far started engine quit before could re-start thermal passed again played cautious waiting game Finally started engine again quit re-started immediately launched model nearly looped finally settled its glide pattern half-normal altitude got little help mother nature lost chance Champ again Nine contestants perfect scores through Round 7 USs Doug Gaibreath Mario Rocca Italy Kejiche Kibiki Japan Qinfei China Denis Ferrero Michel Iribarne France Martti Keinanen Finland Frank Schlachta Canada Reinhard Truppe Austria made 4-mi maxes first flyoff though Qinfeis model nearly looped Ferreros beautiful continuous-dihedral models engine power sagged what last fly-off Austna Japan went off immediately Soon after Canadian went off poor power pattern about same time Rocca went off characteristic perfect flight pattern model stalling just bit first glide turn Its habit others followed later Italian max Kibiki Gaibreath posted scores 545 418 second third places again contest wasn t over quite yet Models checked Gaibreaths engine displacement found over 25 cc limit microscopic amount measuring equipment checked re-checked finally engine taken independent lab additional check Still over little choice disqualify Galbreath ironically Galbreaths flight scores set zero US teams score placed below dozen countries engines checked indeed tough disquality two outstanding performances essentially trivial deviations rules could have affected performance models least amount True Zachallmel perhaps should have built model close edge perhaps should have figured low humidity drying out model bit Galbreath could have requested engine-displacement check during processing would expect commer cially-built engine intended particular competition class modified way would affect its displacement overdisplaced rewards competition supposed skill building flying model aircraft skill complying knit-picky rules No happy over decision disqualify Zachalimel Galbreath least runners-up profited decisions sterile statistics will show scores zero two will know statistics dont tell real story tough sure play game played according strict rules rules must prevail no question terpretation rules might other aspects rules opinion isnt necessarily popular dont see make decisions could have good conscience done anything other what did didnt notice wringing hands glee over decisions made would inappropriate dwell performances competitors least mentioning made competition possible although deserve far well simply list Competition Director Bill Hartill SCAT Contest Administrator Hardy Brodersen National Free Flight Society Contest Manager Bill Bogart SCAT FAI Jury chartered adjudicate rules-book matters headed Sandy Pimenoff Finland backed up Ian Kaynes England George Xenakis US Event Directors Juan Livotto Irv Aker Ed Carroll Chief Timekeeper Andy Faykun Chief Scorekeeper Gail Gewain Processing Director Bob Hatschek Proxy Coordinator Jim Quinn NFFS International Symposium Coordinator Editor Ray Harlan NFFS Technical Task Force Director Fred Pearce assistance Dennis Mihora Chris Matsuno Andy Bauer Rol Anderson others NFFS Plans Book Editor Dave Linstrum AMA President Earl Witt AMA District X VicePresident Jim Scarborough AMA Headquarters staff John Worth Executive Di rector Frank Ebling Technical Director Mich elene Madison FAI Activities Coordinator Giselle Jackson stayed up nights making certain money went right places Matt Gewain donated use personal Apple II computer its snazzy peripheral dot-matrix printer pro grammed right things data many others FF Sport/Scale/Warner continued page 54 Angeles bunch dedicated volunteers sets up hall full tables begins registering models brought such exotic places Van couver Canada Las Vegas Nevada Gaines ville Florida Lake Havasu Arizona San Diego contingent arrives force old friends made through marvelous medium modeling share smiles hearty handshakes good-natured cajolery Cracks Itll never fly Too bad never real like expected dispensed rolling eyes upward moaning No ever comes away empty-handed Saturday scale exhibit judging appreciative comments people judgment take gospel like Krugerrands pocket Ques tions got particular finish ever found three-view plane treasured pot-metal 122 Model Aviation FOdOHARDWARE WORKING TURNBUCKLES RIGGING & CONTROL CABLE CONTROL HORNS STRUT FITTINGS K CORD COCKPIT TRIM~ PULLEYS INSTRUMENT HOUSINGS information ando ata logue S end Si 00 Ilodw ENT CORP PO Box 9641 SAN DIEGOCA92109 THE NEW FIREBALL GLOW PLUGS ARE LEAKPROOF AND BLOWOUT PROOF EVEN FOR THE NEW MONSTER ENGINES BUT THEY ARE STILL THE OLD PRICE OF $1 10 WRITE NOWI SWANSON P 0 Bo Wayn eX 07470 SKIS* $898 $1750 pair C z 5 -K -a ICUSTOM MACHINING COAd $210 Pwtq HadIig I100 FIFTH AVENUEoxs R,deSAdg4%TC I NEWBUAGH NEW YORK 12550 nPATENT APPLIED LAST INIRLLRIIUI EASIER LANDING GREAT FOR BEGINNERS USE ON SNOW SAND AND MARSH SAFE FLYING IS NO ACCIDENT
Edition: Model Aviation - 1980/01
Page Numbers: 42, 43, 44, 45, 46, 47, 48, 122
YUGOSLAVIA offered host 1979 World Free Flight World Championships its offer accepted FAI organization governing international aero-sport activities offer later made contingent exclusion South Africa made offer unacceptable little time necessary homework US offered host Champs backup other countrys offer no other offer made US offer accepted organizersthe Southern California Aero Team SCAT National Free Flight Society NFF S course AMAhad tiger tail no easy task provide meals lodging transportation some 600 contestants sup porters officials staff volunteer workers flying site some 45 miles head quarters Bakersfield Inn required improve ments accommodate such mob Arrange ments various peripheral activities such opening ceremony awards banquet First International Symposium NFFS made competition itself played according stringent rules involved model processing impounding rubber motors issuing standard fuel power models obtaining coordinating dozens volunteers handle jobs timekeeping scorekeeping crowd control publication results host other chores Big League made US Ftee Flight Champs Nats seem like sand-lot games comparison say went off hitch would untrue darned few hitches few occured got unhitched hurry Considering aside AMA activities whole thing put together amateurs no previous experience running World Champs stands tribute American know-how Yankee ingenuity efficacy dedicated amateurs Despite great distance FAI-member nations western Europe partici pation down 15 20% Champs held Europe largely due lack participation Iron Curtain countries political reasons Sandy Pimenoff FAI official put speech awards banquet first time Peoples Republic China participated first time China participated international sport ing competition outside Orient recent history New Zealand because shorter travel distance able send teams whereas before activity confined largely sending models flown proxy course eyes Chinese forthey Great Unknown Would turn up exotic perhaps antiquated creations bamboo rice paper ultra-sophisticated creations concocted boron fiber epoxy resins plastic films Something between way turned out few innovations own could considered advances state art Clearly received western-world aeromodeling publications well aware state art extracted what liked discarded what didnt added personal touch models constructed almost entirely local wood called Tunga fine grained density less spruce equal hardest balsa tissue like staff know rather rough Balsa used diagonal ribs few models according interpreter seemed have somewhat wider application possibly trailing edges wing-tip fairings models over weight rubber used propel Wakefield models made China seemed roughly equal familiar although used larger number strands smaller cross-section used made-in-China clockwork timers like German Seelig timers made-in-Japan timers see Wake field models equipped tinier-operated linear cams adjust tailplane incidence angle continuously during initial burst power used no sophisticaed thermal-detect ing methods clearly knew find thermals team post maxes first round towline glider event single power flier Qinfei made fly-off rounds wound up sixth place 1979 FREE FLK*IT WORLD CHAMPIONSHIPS TAFTCAUSA rer uvarnairom Sweaen TOOK secona towtine giiaer evem Aeromodeling recognized sport China official literature seemed ts Perfection norm Launching taught schools Several hundred par- about same sort folks rest us well-chosen thermals flight after flight ticipated team-selection process site near oil town Taft wasnt scarcely worthy mention merely minor World Champs teams regional semi-finals perfect adequate weather deviations perfection separate hems finals Peking average age 38 about what could have expected also ran report neces married raising couple probable statistics last 10 years sarily main chronicle goof-ups kids team members came walks Maximum temperature did exceed 900F life professionals workers Well first day competition Nordic A12 Towline Glider FIA Without ignore connotation professionals dont lower day thereafter no rain engine rubber motor towline glider models work notthe round-faced ever-happy moderate winds seem deceptively simple perhaps always smiling peasants depicted some funny game play typical decade ago invention circle towing January1980 43 1 Flying Per c3runnet towline glider Thomas Koster WOK Tirat-piace trophy home Denmark third time Noted name Power victorious US iowiine glider team manes ii no secret Number R Jim Wilson Lee Hines Jim Walters Heikki Tahkapaa Finland captured fifth place towline glider Walter Hailer Switzerland tied fifth place towirne giber Israeli flier Giora Hertsberg employed unique tail Hot sun exposed rubber can cause breakage common sight see helpers shading rubber slotted flap Wakefield jobs ways Roger Simpson shades Walt Ghio packs turns Wakefield 44 Model Aviation ustrien nuns acnaiiiei neu secona piace in nut ais qualified model found fraction OT gram under weight Tough break probably caused heat removing moisture Israeli flier ltzhak Ben-ltzhak winds winning Wakefield flight helper shades what looks like glider wing its envelope .n Uuradys tnrew prop oiaae auring second still managed second place US teams Bob erchlO winds hi ite-designel akefiel. model its rubber well-shaded against low slanting sun zoom launches Russians subse quent development throughout world has changed Trick mechanisms used actuate rudder sometimes horizontal tail three four positions corresponding different phases towing launching gliding Wings must strong enough support load 10 15 times weight model during zoom launch may have over 500 parts physical skill stamina required combination middle distance runner dancer expert recommends jogging backwards part physical conditioning routine US Team consisted Jim Wilson Lee Hines Jim Walters Wilson Hines have doing extremely well local competition have previously participated World Champs third member team have Bob Isaacson making 100% Southern California team dropped out because knee injury Walters took fourth place team-selection finals has participated two previous World Champs scored highest among US competitors both occasions Starting 755 under overcast sky Round opened dead air little help gliders few can make three-minute max flights some help thermals JimWalters designated Team Manager Dick Myers fly first started towing 19 minutes after start round followed what must have hectic 12 minutes model aviation history Walters ran side end starting line other half followed half lead entourage helpers carrying thermistor-type thermal detectors throw ing cat-tail fluffies air cranldng away bubble generators watching performance other models less half round remaining Wilson Hines make flights Walters zoomed model off towline what seemed like marglnally good air model failed find significant lift stalled bit entered turbulent air near ground turned flight time 249 11 sec short max Two minutes later Hines started towing weather rapidiy improving another two minutes zoomed model off made max 24 sec spare Wilson started towing immediately lift still easy find After towing 15 mm went off flight exceeded 3 mm max mere 02 sec Only 17 ofthe field of66 maxedon first round teamthe Chinese made maxes end Round US team third place behind China Denmark Walters chance crack individual world championship already past would certainly would max seven rounds didnt prevent him doing best esprit de corps second no other teams US team made maxes following six rounds Chinese model spun in Round Two putting US team second place fourth round Danes dropped 37 sec putting US team January1980 45 Flier Peoples Republic China shows Western nations havent cornered market free flight skill Note tail design Australian Paul VanLeuven prepares last flyoff round Mechanical problems pre vented winding motor fully took 2nd p1 Roger Simpson gets off perfect launch Power Carl Bogarts model inner wing panels par tially covered hard aluminum foil uaioreain wamis iur inermai ueiaiors LU Nowi Slightly oversized engine manufac tured disqualified him third place first place remain giving US its first team World Championship since 1965 tied Italy first Power event its first World Championship ever towline glider event flyoff rounds perfect scores went Wilson Hines US Per Grunnets model proxy-flown twice-world-champ Thomas Koster Denmark Per Qvarnstrom Sweden Heikki Tahkapaa Finland Walter HaIler Switzerland Gottfried Zach Austria Herbert Schmidt West Germany Pieter DeBoer Netherlands 445 weather deteriorating rapidly sun plunged toward crest Coast Range first fly-off round started Schmidt DeBoer missed lift failed max re maining seven made required 5-mm max flights second fly-off round third would last Qvarnstrom launched Hines off minute later what felt lift very good lift perhaps best might come along Both models sank passed over grassy area quarter mile downwind launch line turning scores 333 322 respectively Koster launched two minutes after Hines point considerably upwind model gained bit altitude time reached sinking air over grassy area continued upward slope beyond finally coming rest flight time 411 other three trailed far behind Koster albeit Per Grunnets model came first three-time three-event World Champs winner history Wakefield Rubber Power FiB US team consisted Bob White Bob Piserchio Walt Ghio Piserchio Ghio 1977 team White placed second third fifth previous World Champs has list major wins US long arm first flight relatively uneventful twothirds fliers made 3-mm maxes including US team did max Reiner Hofsass Germany flying high-aspect-ratio Espadon solid-balsa wing high aspect ratio wing permits wash-in wing outside glide circle transforms what would normally stall swooping climb humidity change Home-made transits used measure alti tude models NFFS Tech Task Force headed Fred Pearce Rol Anderson riometar wmtfl sonic output signal Sensitive small changes air pressure used Argentinian team thermal-detection aid hermal detector used thermistor 50 yards upwind another recorder home-brew two-pen drum recorder 46 Model Aviation T Italys Mario Rocca flew superbly crafted model geodetic ribs Italian style first place Used new AD 15 engine Former World Champ Albert DalrOglio plenty smile about home made engine used winning Power flier Mario Rocca Chinas single Power flier Qinfei made fly-offs took sixth place caused wing warp reverse model stalled After drastic readjustment including addition nearly quarter-inch wing inci dence model began perform rather well went well US team until third round Ghios model spun ground under power score 30 sec timeroperated automatic rudder control nor mally flips rudder glide position motor unwound actuated too early White apparently flew bit too early thermal dropped 37 sec Piserchio dropped 51 sec fifth round other teams doing too well either Going Round Seven US team fifth place team maxed Round Seven US team would have taken third place too shabby 22 countries entered Ghio missed thermal US dropped sixth place Only six perfect scores end Round Seven Itzhak Ben-Itzhak Israel age 27 far youngest bunch Paul VanLeuven Australia Dan OGrady Canada Paul Lagan New Zealand Ron Pollard England Hans Zachallmel Austria Lagan Pollard dropped out first flyoff OGrady threw prop blade second failed find lift second attempt using back-up model three fliers going third round last VanLeuven gotten half broken motor stuck twin-rudder model previous round using back-up model Mech anical difficulties made impossible him wind motor fully Both Zachallmel New Zealander flew did make required 6-mm young Israeli broke motor last fly Finally minutes spare launched almost immediate applause crowd apparent model going well Cheers again rose model still good altitude passed Zachallmels score 50year-old Wakefield Trophy cap climax model still going well made six-mm max what OGrady Canadian THE RULES OF PLAY after 3 mm order ease probler round contestant must get model airborne rules procedures complex retrieving models otherwise mighi stay within specified 1 5-mm period briefly itwork like Ailmodels must cc nply ip hours land Los Angeles 15-mm period between rounds forretrievingthe stringent rules regarding weight wing area end seveA regular mi inds model preparations next round engine displacement rubber-motor weight exceptional teas have mt4e 3-mm max fly-off increased minute country has up three contestants entered maxes flights team scores over max previous round event preliminaries consist reckoned according score end weather deteriorating sundown seven rounds one-hour period during seven rounds cases ties scores made approaches thereby decreasing chances members team must fly following fly-off rounds considered modeler launching models upwardscored zero contestant allowed two typical up 15 20 individuals moving thermals max increasing attempts put up official flight event outofa field 60 80 achieve perfect minute round flying doesnt go oil complex rules regarding what counts scores seven rounds final lon& 1979 World Champs final attempt Models scored flight duration placing individuals determined flyoff standing determined third fly-off anything over 3 mm scored 3 mmroundsround three events Contestants equip models fuse fly-offs contestants participate contestant achieved required 6-min max clockwork devices bring down quickly individuals rather teams h fly-off round J January1980 47 mini-computer churned out round-by-round results within minutes end round US Team Manager Dick Myers received momenta signed byteam members Paul MacCready man-power flight fame chatting Carl Goldberg NFFS luncheon speaker Paurs first model Carls Sailplane Swarm killer bees could have caused chaos Actually its aero science run rampant Canadian supporters thrash air under model hope triggering thermal Meuser thought eased tension model lost prop blade previous round frantically preparing model flight timekeeper raised gun signal end round misfired reloaded gun OGrady launched second later gun fired previous round OGradys model maxed prop blade could determined prop blade flew off before model actually launched perhaps flight would have counted turned out model underweight prop blade previous score stood wasnt over yet After event has ended top-placing models checked compliance rules Zachalimels model found underweight about half gram low humidity apparently dried out wood since model weighed three days earlier Scales checked re-checked using master weights accurate few thousandths gram casting possible small error favor contestant model underweight disqualified Van Leuven OGrady moved second third positions Power Fl C US team consisted Doug Galbreath Roger Simpson Carl Bogart Doug print shop produced official program Champs NFFS publications placed sixth 1967 World Champs third 1963 Roger brother Reid have strong Power years regularly fly Doug live Sacramento area talked Doug few weeks before Champs said Roger really ready hes going Bogart showed hometown lads what about flier max out team selection finals year ago team strong others Germany example two ex-World Champs its roster Former World Champ Franz Baumann West Germany first off few minutes after starting gun maxed model flown Thomas Koster Denmark winner 1977 World Champs climbed straight up engine cut model came down tail first finally recovered after losing half its original altitude failed make required 3minute max Galbreaths model climbed height measured 565 feet Technical Project crew during engines 7-sec run made near perfect transition its glide circle made 1 turns its 3-mm glide detherm alized caught Dougs helper Ken Oliver SOft launch point other two US team members Roger Simpson Carl Bogart maxed uneventfully no strong thermals 18 46 contestants made max flights whereas later rounds 30 maxes would typical 18 9 would survive following six rounds partic ipate fly-offs French Canadian US teams ones have members max first round second round uneventful US team again three members maxed third round Simpson made normal climb transition became apparent engine still running ticking away very low rpm Bogart maxed earlier Galbreath flew maxed Simpson prepared second model Time running Out Simpson Launching minute before rounds end little opportunity choosy about thermals Roger flying back-up model missed max 49 sec Canadian French teams missed maxes third round too order team scores France Canada USA would remain way through Round 5 start fourth round previous overcast cleared thermals becoming strong two-thirds flights would maxes Simpson again flying number model flying Continued page 122 48 Model Aviation Allan Wells England processed some 50 Wakefield rubber motors heat took its toll broken motors some fliers ran short PLEASE STATE AXLE DIAMETER Irwin about total number engines pro duced total about million didnt seem quite surprising number 0 & R 23s made total 800000 23s leaves 200000 rest combined 19s 60s 29s 33s Gold Seals Miniatures Wow Incidentally Mark Fechner special izes repair service 0 & Rengines planning produce batch first Ohlsson engine about later Clarence Haught 5 Box 16 CoeurdAlene ID 83814 Free Flight WC/Meuser continued page 48 order changed US Team Manager Dick Myers Simpson flying last order give Galbreath Bogart could possibly make fly-offs little time needed team maxed Rounds 4 5 Koster making good climb-to-glide transitions despite precarious straight-up climb Round 6 Galbreath flew usual nearperfect form Bogart flew engine over-run Simpson fueled up flight Bogart again model ready Team Manager put him ahead Simpson air looked good started engine advice Walt Ohio manning thermal detector shut down Again air looked good fired up launched poor powered-flight pattern scored 136 dropping US fourth place remain Round 7 uneventful US team maxed Former World Champ Hans Seelig Germany maxes thus far started engine quit before could re-start thermal passed again played cautious waiting game Finally started engine again quit re-started immediately launched model nearly looped finally settled its glide pattern half-normal altitude got little help mother nature lost chance Champ again Nine contestants perfect scores through Round 7 USs Doug Gaibreath Mario Rocca Italy Kejiche Kibiki Japan Qinfei China Denis Ferrero Michel Iribarne France Martti Keinanen Finland Frank Schlachta Canada Reinhard Truppe Austria made 4-mi maxes first flyoff though Qinfeis model nearly looped Ferreros beautiful continuous-dihedral models engine power sagged what last fly-off Austna Japan went off immediately Soon after Canadian went off poor power pattern about same time Rocca went off characteristic perfect flight pattern model stalling just bit first glide turn Its habit others followed later Italian max Kibiki Gaibreath posted scores 545 418 second third places again contest wasn t over quite yet Models checked Gaibreaths engine displacement found over 25 cc limit microscopic amount measuring equipment checked re-checked finally engine taken independent lab additional check Still over little choice disqualify Galbreath ironically Galbreaths flight scores set zero US teams score placed below dozen countries engines checked indeed tough disquality two outstanding performances essentially trivial deviations rules could have affected performance models least amount True Zachallmel perhaps should have built model close edge perhaps should have figured low humidity drying out model bit Galbreath could have requested engine-displacement check during processing would expect commer cially-built engine intended particular competition class modified way would affect its displacement overdisplaced rewards competition supposed skill building flying model aircraft skill complying knit-picky rules No happy over decision disqualify Zachalimel Galbreath least runners-up profited decisions sterile statistics will show scores zero two will know statistics dont tell real story tough sure play game played according strict rules rules must prevail no question terpretation rules might other aspects rules opinion isnt necessarily popular dont see make decisions could have good conscience done anything other what did didnt notice wringing hands glee over decisions made would inappropriate dwell performances competitors least mentioning made competition possible although deserve far well simply list Competition Director Bill Hartill SCAT Contest Administrator Hardy Brodersen National Free Flight Society Contest Manager Bill Bogart SCAT FAI Jury chartered adjudicate rules-book matters headed Sandy Pimenoff Finland backed up Ian Kaynes England George Xenakis US Event Directors Juan Livotto Irv Aker Ed Carroll Chief Timekeeper Andy Faykun Chief Scorekeeper Gail Gewain Processing Director Bob Hatschek Proxy Coordinator Jim Quinn NFFS International Symposium Coordinator Editor Ray Harlan NFFS Technical Task Force Director Fred Pearce assistance Dennis Mihora Chris Matsuno Andy Bauer Rol Anderson others NFFS Plans Book Editor Dave Linstrum AMA President Earl Witt AMA District X VicePresident Jim Scarborough AMA Headquarters staff John Worth Executive Di rector Frank Ebling Technical Director Mich elene Madison FAI Activities Coordinator Giselle Jackson stayed up nights making certain money went right places Matt Gewain donated use personal Apple II computer its snazzy peripheral dot-matrix printer pro grammed right things data many others FF Sport/Scale/Warner continued page 54 Angeles bunch dedicated volunteers sets up hall full tables begins registering models brought such exotic places Van couver Canada Las Vegas Nevada Gaines ville Florida Lake Havasu Arizona San Diego contingent arrives force old friends made through marvelous medium modeling share smiles hearty handshakes good-natured cajolery Cracks Itll never fly Too bad never real like expected dispensed rolling eyes upward moaning No ever comes away empty-handed Saturday scale exhibit judging appreciative comments people judgment take gospel like Krugerrands pocket Ques tions got particular finish ever found three-view plane treasured pot-metal 122 Model Aviation FOdOHARDWARE WORKING TURNBUCKLES RIGGING & CONTROL CABLE CONTROL HORNS STRUT FITTINGS K CORD COCKPIT TRIM~ PULLEYS INSTRUMENT HOUSINGS information ando ata logue S end Si 00 Ilodw ENT CORP PO Box 9641 SAN DIEGOCA92109 THE NEW FIREBALL GLOW PLUGS ARE LEAKPROOF AND BLOWOUT PROOF EVEN FOR THE NEW MONSTER ENGINES BUT THEY ARE STILL THE OLD PRICE OF $1 10 WRITE NOWI SWANSON P 0 Bo Wayn eX 07470 SKIS* $898 $1750 pair C z 5 -K -a ICUSTOM MACHINING COAd $210 Pwtq HadIig I100 FIFTH AVENUEoxs R,deSAdg4%TC I NEWBUAGH NEW YORK 12550 nPATENT APPLIED LAST INIRLLRIIUI EASIER LANDING GREAT FOR BEGINNERS USE ON SNOW SAND AND MARSH SAFE FLYING IS NO ACCIDENT
Edition: Model Aviation - 1980/01
Page Numbers: 42, 43, 44, 45, 46, 47, 48, 122
YUGOSLAVIA offered host 1979 World Free Flight World Championships its offer accepted FAI organization governing international aero-sport activities offer later made contingent exclusion South Africa made offer unacceptable little time necessary homework US offered host Champs backup other countrys offer no other offer made US offer accepted organizersthe Southern California Aero Team SCAT National Free Flight Society NFF S course AMAhad tiger tail no easy task provide meals lodging transportation some 600 contestants sup porters officials staff volunteer workers flying site some 45 miles head quarters Bakersfield Inn required improve ments accommodate such mob Arrange ments various peripheral activities such opening ceremony awards banquet First International Symposium NFFS made competition itself played according stringent rules involved model processing impounding rubber motors issuing standard fuel power models obtaining coordinating dozens volunteers handle jobs timekeeping scorekeeping crowd control publication results host other chores Big League made US Ftee Flight Champs Nats seem like sand-lot games comparison say went off hitch would untrue darned few hitches few occured got unhitched hurry Considering aside AMA activities whole thing put together amateurs no previous experience running World Champs stands tribute American know-how Yankee ingenuity efficacy dedicated amateurs Despite great distance FAI-member nations western Europe partici pation down 15 20% Champs held Europe largely due lack participation Iron Curtain countries political reasons Sandy Pimenoff FAI official put speech awards banquet first time Peoples Republic China participated first time China participated international sport ing competition outside Orient recent history New Zealand because shorter travel distance able send teams whereas before activity confined largely sending models flown proxy course eyes Chinese forthey Great Unknown Would turn up exotic perhaps antiquated creations bamboo rice paper ultra-sophisticated creations concocted boron fiber epoxy resins plastic films Something between way turned out few innovations own could considered advances state art Clearly received western-world aeromodeling publications well aware state art extracted what liked discarded what didnt added personal touch models constructed almost entirely local wood called Tunga fine grained density less spruce equal hardest balsa tissue like staff know rather rough Balsa used diagonal ribs few models according interpreter seemed have somewhat wider application possibly trailing edges wing-tip fairings models over weight rubber used propel Wakefield models made China seemed roughly equal familiar although used larger number strands smaller cross-section used made-in-China clockwork timers like German Seelig timers made-in-Japan timers see Wake field models equipped tinier-operated linear cams adjust tailplane incidence angle continuously during initial burst power used no sophisticaed thermal-detect ing methods clearly knew find thermals team post maxes first round towline glider event single power flier Qinfei made fly-off rounds wound up sixth place 1979 FREE FLK*IT WORLD CHAMPIONSHIPS TAFTCAUSA rer uvarnairom Sweaen TOOK secona towtine giiaer evem Aeromodeling recognized sport China official literature seemed ts Perfection norm Launching taught schools Several hundred par- about same sort folks rest us well-chosen thermals flight after flight ticipated team-selection process site near oil town Taft wasnt scarcely worthy mention merely minor World Champs teams regional semi-finals perfect adequate weather deviations perfection separate hems finals Peking average age 38 about what could have expected also ran report neces married raising couple probable statistics last 10 years sarily main chronicle goof-ups kids team members came walks Maximum temperature did exceed 900F life professionals workers Well first day competition Nordic A12 Towline Glider FIA Without ignore connotation professionals dont lower day thereafter no rain engine rubber motor towline glider models work notthe round-faced ever-happy moderate winds seem deceptively simple perhaps always smiling peasants depicted some funny game play typical decade ago invention circle towing January1980 43 1 Flying Per c3runnet towline glider Thomas Koster WOK Tirat-piace trophy home Denmark third time Noted name Power victorious US iowiine glider team manes ii no secret Number R Jim Wilson Lee Hines Jim Walters Heikki Tahkapaa Finland captured fifth place towline glider Walter Hailer Switzerland tied fifth place towirne giber Israeli flier Giora Hertsberg employed unique tail Hot sun exposed rubber can cause breakage common sight see helpers shading rubber slotted flap Wakefield jobs ways Roger Simpson shades Walt Ghio packs turns Wakefield 44 Model Aviation ustrien nuns acnaiiiei neu secona piace in nut ais qualified model found fraction OT gram under weight Tough break probably caused heat removing moisture Israeli flier ltzhak Ben-ltzhak winds winning Wakefield flight helper shades what looks like glider wing its envelope .n Uuradys tnrew prop oiaae auring second still managed second place US teams Bob erchlO winds hi ite-designel akefiel. model its rubber well-shaded against low slanting sun zoom launches Russians subse quent development throughout world has changed Trick mechanisms used actuate rudder sometimes horizontal tail three four positions corresponding different phases towing launching gliding Wings must strong enough support load 10 15 times weight model during zoom launch may have over 500 parts physical skill stamina required combination middle distance runner dancer expert recommends jogging backwards part physical conditioning routine US Team consisted Jim Wilson Lee Hines Jim Walters Wilson Hines have doing extremely well local competition have previously participated World Champs third member team have Bob Isaacson making 100% Southern California team dropped out because knee injury Walters took fourth place team-selection finals has participated two previous World Champs scored highest among US competitors both occasions Starting 755 under overcast sky Round opened dead air little help gliders few can make three-minute max flights some help thermals JimWalters designated Team Manager Dick Myers fly first started towing 19 minutes after start round followed what must have hectic 12 minutes model aviation history Walters ran side end starting line other half followed half lead entourage helpers carrying thermistor-type thermal detectors throw ing cat-tail fluffies air cranldng away bubble generators watching performance other models less half round remaining Wilson Hines make flights Walters zoomed model off towline what seemed like marglnally good air model failed find significant lift stalled bit entered turbulent air near ground turned flight time 249 11 sec short max Two minutes later Hines started towing weather rapidiy improving another two minutes zoomed model off made max 24 sec spare Wilson started towing immediately lift still easy find After towing 15 mm went off flight exceeded 3 mm max mere 02 sec Only 17 ofthe field of66 maxedon first round teamthe Chinese made maxes end Round US team third place behind China Denmark Walters chance crack individual world championship already past would certainly would max seven rounds didnt prevent him doing best esprit de corps second no other teams US team made maxes following six rounds Chinese model spun in Round Two putting US team second place fourth round Danes dropped 37 sec putting US team January1980 45 Flier Peoples Republic China shows Western nations havent cornered market free flight skill Note tail design Australian Paul VanLeuven prepares last flyoff round Mechanical problems pre vented winding motor fully took 2nd p1 Roger Simpson gets off perfect launch Power Carl Bogarts model inner wing panels par tially covered hard aluminum foil uaioreain wamis iur inermai ueiaiors LU Nowi Slightly oversized engine manufac tured disqualified him third place first place remain giving US its first team World Championship since 1965 tied Italy first Power event its first World Championship ever towline glider event flyoff rounds perfect scores went Wilson Hines US Per Grunnets model proxy-flown twice-world-champ Thomas Koster Denmark Per Qvarnstrom Sweden Heikki Tahkapaa Finland Walter HaIler Switzerland Gottfried Zach Austria Herbert Schmidt West Germany Pieter DeBoer Netherlands 445 weather deteriorating rapidly sun plunged toward crest Coast Range first fly-off round started Schmidt DeBoer missed lift failed max re maining seven made required 5-mm max flights second fly-off round third would last Qvarnstrom launched Hines off minute later what felt lift very good lift perhaps best might come along Both models sank passed over grassy area quarter mile downwind launch line turning scores 333 322 respectively Koster launched two minutes after Hines point considerably upwind model gained bit altitude time reached sinking air over grassy area continued upward slope beyond finally coming rest flight time 411 other three trailed far behind Koster albeit Per Grunnets model came first three-time three-event World Champs winner history Wakefield Rubber Power FiB US team consisted Bob White Bob Piserchio Walt Ghio Piserchio Ghio 1977 team White placed second third fifth previous World Champs has list major wins US long arm first flight relatively uneventful twothirds fliers made 3-mm maxes including US team did max Reiner Hofsass Germany flying high-aspect-ratio Espadon solid-balsa wing high aspect ratio wing permits wash-in wing outside glide circle transforms what would normally stall swooping climb humidity change Home-made transits used measure alti tude models NFFS Tech Task Force headed Fred Pearce Rol Anderson riometar wmtfl sonic output signal Sensitive small changes air pressure used Argentinian team thermal-detection aid hermal detector used thermistor 50 yards upwind another recorder home-brew two-pen drum recorder 46 Model Aviation T Italys Mario Rocca flew superbly crafted model geodetic ribs Italian style first place Used new AD 15 engine Former World Champ Albert DalrOglio plenty smile about home made engine used winning Power flier Mario Rocca Chinas single Power flier Qinfei made fly-offs took sixth place caused wing warp reverse model stalled After drastic readjustment including addition nearly quarter-inch wing inci dence model began perform rather well went well US team until third round Ghios model spun ground under power score 30 sec timeroperated automatic rudder control nor mally flips rudder glide position motor unwound actuated too early White apparently flew bit too early thermal dropped 37 sec Piserchio dropped 51 sec fifth round other teams doing too well either Going Round Seven US team fifth place team maxed Round Seven US team would have taken third place too shabby 22 countries entered Ghio missed thermal US dropped sixth place Only six perfect scores end Round Seven Itzhak Ben-Itzhak Israel age 27 far youngest bunch Paul VanLeuven Australia Dan OGrady Canada Paul Lagan New Zealand Ron Pollard England Hans Zachallmel Austria Lagan Pollard dropped out first flyoff OGrady threw prop blade second failed find lift second attempt using back-up model three fliers going third round last VanLeuven gotten half broken motor stuck twin-rudder model previous round using back-up model Mech anical difficulties made impossible him wind motor fully Both Zachallmel New Zealander flew did make required 6-mm young Israeli broke motor last fly Finally minutes spare launched almost immediate applause crowd apparent model going well Cheers again rose model still good altitude passed Zachallmels score 50year-old Wakefield Trophy cap climax model still going well made six-mm max what OGrady Canadian THE RULES OF PLAY after 3 mm order ease probler round contestant must get model airborne rules procedures complex retrieving models otherwise mighi stay within specified 1 5-mm period briefly itwork like Ailmodels must cc nply ip hours land Los Angeles 15-mm period between rounds forretrievingthe stringent rules regarding weight wing area end seveA regular mi inds model preparations next round engine displacement rubber-motor weight exceptional teas have mt4e 3-mm max fly-off increased minute country has up three contestants entered maxes flights team scores over max previous round event preliminaries consist reckoned according score end weather deteriorating sundown seven rounds one-hour period during seven rounds cases ties scores made approaches thereby decreasing chances members team must fly following fly-off rounds considered modeler launching models upwardscored zero contestant allowed two typical up 15 20 individuals moving thermals max increasing attempts put up official flight event outofa field 60 80 achieve perfect minute round flying doesnt go oil complex rules regarding what counts scores seven rounds final lon& 1979 World Champs final attempt Models scored flight duration placing individuals determined flyoff standing determined third fly-off anything over 3 mm scored 3 mmroundsround three events Contestants equip models fuse fly-offs contestants participate contestant achieved required 6-min max clockwork devices bring down quickly individuals rather teams h fly-off round J January1980 47 mini-computer churned out round-by-round results within minutes end round US Team Manager Dick Myers received momenta signed byteam members Paul MacCready man-power flight fame chatting Carl Goldberg NFFS luncheon speaker Paurs first model Carls Sailplane Swarm killer bees could have caused chaos Actually its aero science run rampant Canadian supporters thrash air under model hope triggering thermal Meuser thought eased tension model lost prop blade previous round frantically preparing model flight timekeeper raised gun signal end round misfired reloaded gun OGrady launched second later gun fired previous round OGradys model maxed prop blade could determined prop blade flew off before model actually launched perhaps flight would have counted turned out model underweight prop blade previous score stood wasnt over yet After event has ended top-placing models checked compliance rules Zachalimels model found underweight about half gram low humidity apparently dried out wood since model weighed three days earlier Scales checked re-checked using master weights accurate few thousandths gram casting possible small error favor contestant model underweight disqualified Van Leuven OGrady moved second third positions Power Fl C US team consisted Doug Galbreath Roger Simpson Carl Bogart Doug print shop produced official program Champs NFFS publications placed sixth 1967 World Champs third 1963 Roger brother Reid have strong Power years regularly fly Doug live Sacramento area talked Doug few weeks before Champs said Roger really ready hes going Bogart showed hometown lads what about flier max out team selection finals year ago team strong others Germany example two ex-World Champs its roster Former World Champ Franz Baumann West Germany first off few minutes after starting gun maxed model flown Thomas Koster Denmark winner 1977 World Champs climbed straight up engine cut model came down tail first finally recovered after losing half its original altitude failed make required 3minute max Galbreaths model climbed height measured 565 feet Technical Project crew during engines 7-sec run made near perfect transition its glide circle made 1 turns its 3-mm glide detherm alized caught Dougs helper Ken Oliver SOft launch point other two US team members Roger Simpson Carl Bogart maxed uneventfully no strong thermals 18 46 contestants made max flights whereas later rounds 30 maxes would typical 18 9 would survive following six rounds partic ipate fly-offs French Canadian US teams ones have members max first round second round uneventful US team again three members maxed third round Simpson made normal climb transition became apparent engine still running ticking away very low rpm Bogart maxed earlier Galbreath flew maxed Simpson prepared second model Time running Out Simpson Launching minute before rounds end little opportunity choosy about thermals Roger flying back-up model missed max 49 sec Canadian French teams missed maxes third round too order team scores France Canada USA would remain way through Round 5 start fourth round previous overcast cleared thermals becoming strong two-thirds flights would maxes Simpson again flying number model flying Continued page 122 48 Model Aviation Allan Wells England processed some 50 Wakefield rubber motors heat took its toll broken motors some fliers ran short PLEASE STATE AXLE DIAMETER Irwin about total number engines pro duced total about million didnt seem quite surprising number 0 & R 23s made total 800000 23s leaves 200000 rest combined 19s 60s 29s 33s Gold Seals Miniatures Wow Incidentally Mark Fechner special izes repair service 0 & Rengines planning produce batch first Ohlsson engine about later Clarence Haught 5 Box 16 CoeurdAlene ID 83814 Free Flight WC/Meuser continued page 48 order changed US Team Manager Dick Myers Simpson flying last order give Galbreath Bogart could possibly make fly-offs little time needed team maxed Rounds 4 5 Koster making good climb-to-glide transitions despite precarious straight-up climb Round 6 Galbreath flew usual nearperfect form Bogart flew engine over-run Simpson fueled up flight Bogart again model ready Team Manager put him ahead Simpson air looked good started engine advice Walt Ohio manning thermal detector shut down Again air looked good fired up launched poor powered-flight pattern scored 136 dropping US fourth place remain Round 7 uneventful US team maxed Former World Champ Hans Seelig Germany maxes thus far started engine quit before could re-start thermal passed again played cautious waiting game Finally started engine again quit re-started immediately launched model nearly looped finally settled its glide pattern half-normal altitude got little help mother nature lost chance Champ again Nine contestants perfect scores through Round 7 USs Doug Gaibreath Mario Rocca Italy Kejiche Kibiki Japan Qinfei China Denis Ferrero Michel Iribarne France Martti Keinanen Finland Frank Schlachta Canada Reinhard Truppe Austria made 4-mi maxes first flyoff though Qinfeis model nearly looped Ferreros beautiful continuous-dihedral models engine power sagged what last fly-off Austna Japan went off immediately Soon after Canadian went off poor power pattern about same time Rocca went off characteristic perfect flight pattern model stalling just bit first glide turn Its habit others followed later Italian max Kibiki Gaibreath posted scores 545 418 second third places again contest wasn t over quite yet Models checked Gaibreaths engine displacement found over 25 cc limit microscopic amount measuring equipment checked re-checked finally engine taken independent lab additional check Still over little choice disqualify Galbreath ironically Galbreaths flight scores set zero US teams score placed below dozen countries engines checked indeed tough disquality two outstanding performances essentially trivial deviations rules could have affected performance models least amount True Zachallmel perhaps should have built model close edge perhaps should have figured low humidity drying out model bit Galbreath could have requested engine-displacement check during processing would expect commer cially-built engine intended particular competition class modified way would affect its displacement overdisplaced rewards competition supposed skill building flying model aircraft skill complying knit-picky rules No happy over decision disqualify Zachalimel Galbreath least runners-up profited decisions sterile statistics will show scores zero two will know statistics dont tell real story tough sure play game played according strict rules rules must prevail no question terpretation rules might other aspects rules opinion isnt necessarily popular dont see make decisions could have good conscience done anything other what did didnt notice wringing hands glee over decisions made would inappropriate dwell performances competitors least mentioning made competition possible although deserve far well simply list Competition Director Bill Hartill SCAT Contest Administrator Hardy Brodersen National Free Flight Society Contest Manager Bill Bogart SCAT FAI Jury chartered adjudicate rules-book matters headed Sandy Pimenoff Finland backed up Ian Kaynes England George Xenakis US Event Directors Juan Livotto Irv Aker Ed Carroll Chief Timekeeper Andy Faykun Chief Scorekeeper Gail Gewain Processing Director Bob Hatschek Proxy Coordinator Jim Quinn NFFS International Symposium Coordinator Editor Ray Harlan NFFS Technical Task Force Director Fred Pearce assistance Dennis Mihora Chris Matsuno Andy Bauer Rol Anderson others NFFS Plans Book Editor Dave Linstrum AMA President Earl Witt AMA District X VicePresident Jim Scarborough AMA Headquarters staff John Worth Executive Di rector Frank Ebling Technical Director Mich elene Madison FAI Activities Coordinator Giselle Jackson stayed up nights making certain money went right places Matt Gewain donated use personal Apple II computer its snazzy peripheral dot-matrix printer pro grammed right things data many others FF Sport/Scale/Warner continued page 54 Angeles bunch dedicated volunteers sets up hall full tables begins registering models brought such exotic places Van couver Canada Las Vegas Nevada Gaines ville Florida Lake Havasu Arizona San Diego contingent arrives force old friends made through marvelous medium modeling share smiles hearty handshakes good-natured cajolery Cracks Itll never fly Too bad never real like expected dispensed rolling eyes upward moaning No ever comes away empty-handed Saturday scale exhibit judging appreciative comments people judgment take gospel like Krugerrands pocket Ques tions got particular finish ever found three-view plane treasured pot-metal 122 Model Aviation FOdOHARDWARE WORKING TURNBUCKLES RIGGING & CONTROL CABLE CONTROL HORNS STRUT FITTINGS K CORD COCKPIT TRIM~ PULLEYS INSTRUMENT HOUSINGS information ando ata logue S end Si 00 Ilodw ENT CORP PO Box 9641 SAN DIEGOCA92109 THE NEW FIREBALL GLOW PLUGS ARE LEAKPROOF AND BLOWOUT PROOF EVEN FOR THE NEW MONSTER ENGINES BUT THEY ARE STILL THE OLD PRICE OF $1 10 WRITE NOWI SWANSON P 0 Bo Wayn eX 07470 SKIS* $898 $1750 pair C z 5 -K -a ICUSTOM MACHINING COAd $210 Pwtq HadIig I100 FIFTH AVENUEoxs R,deSAdg4%TC I NEWBUAGH NEW YORK 12550 nPATENT APPLIED LAST INIRLLRIIUI EASIER LANDING GREAT FOR BEGINNERS USE ON SNOW SAND AND MARSH SAFE FLYING IS NO ACCIDENT
Edition: Model Aviation - 1980/01
Page Numbers: 42, 43, 44, 45, 46, 47, 48, 122
YUGOSLAVIA offered host 1979 World Free Flight World Championships its offer accepted FAI organization governing international aero-sport activities offer later made contingent exclusion South Africa made offer unacceptable little time necessary homework US offered host Champs backup other countrys offer no other offer made US offer accepted organizersthe Southern California Aero Team SCAT National Free Flight Society NFF S course AMAhad tiger tail no easy task provide meals lodging transportation some 600 contestants sup porters officials staff volunteer workers flying site some 45 miles head quarters Bakersfield Inn required improve ments accommodate such mob Arrange ments various peripheral activities such opening ceremony awards banquet First International Symposium NFFS made competition itself played according stringent rules involved model processing impounding rubber motors issuing standard fuel power models obtaining coordinating dozens volunteers handle jobs timekeeping scorekeeping crowd control publication results host other chores Big League made US Ftee Flight Champs Nats seem like sand-lot games comparison say went off hitch would untrue darned few hitches few occured got unhitched hurry Considering aside AMA activities whole thing put together amateurs no previous experience running World Champs stands tribute American know-how Yankee ingenuity efficacy dedicated amateurs Despite great distance FAI-member nations western Europe partici pation down 15 20% Champs held Europe largely due lack participation Iron Curtain countries political reasons Sandy Pimenoff FAI official put speech awards banquet first time Peoples Republic China participated first time China participated international sport ing competition outside Orient recent history New Zealand because shorter travel distance able send teams whereas before activity confined largely sending models flown proxy course eyes Chinese forthey Great Unknown Would turn up exotic perhaps antiquated creations bamboo rice paper ultra-sophisticated creations concocted boron fiber epoxy resins plastic films Something between way turned out few innovations own could considered advances state art Clearly received western-world aeromodeling publications well aware state art extracted what liked discarded what didnt added personal touch models constructed almost entirely local wood called Tunga fine grained density less spruce equal hardest balsa tissue like staff know rather rough Balsa used diagonal ribs few models according interpreter seemed have somewhat wider application possibly trailing edges wing-tip fairings models over weight rubber used propel Wakefield models made China seemed roughly equal familiar although used larger number strands smaller cross-section used made-in-China clockwork timers like German Seelig timers made-in-Japan timers see Wake field models equipped tinier-operated linear cams adjust tailplane incidence angle continuously during initial burst power used no sophisticaed thermal-detect ing methods clearly knew find thermals team post maxes first round towline glider event single power flier Qinfei made fly-off rounds wound up sixth place 1979 FREE FLK*IT WORLD CHAMPIONSHIPS TAFTCAUSA rer uvarnairom Sweaen TOOK secona towtine giiaer evem Aeromodeling recognized sport China official literature seemed ts Perfection norm Launching taught schools Several hundred par- about same sort folks rest us well-chosen thermals flight after flight ticipated team-selection process site near oil town Taft wasnt scarcely worthy mention merely minor World Champs teams regional semi-finals perfect adequate weather deviations perfection separate hems finals Peking average age 38 about what could have expected also ran report neces married raising couple probable statistics last 10 years sarily main chronicle goof-ups kids team members came walks Maximum temperature did exceed 900F life professionals workers Well first day competition Nordic A12 Towline Glider FIA Without ignore connotation professionals dont lower day thereafter no rain engine rubber motor towline glider models work notthe round-faced ever-happy moderate winds seem deceptively simple perhaps always smiling peasants depicted some funny game play typical decade ago invention circle towing January1980 43 1 Flying Per c3runnet towline glider Thomas Koster WOK Tirat-piace trophy home Denmark third time Noted name Power victorious US iowiine glider team manes ii no secret Number R Jim Wilson Lee Hines Jim Walters Heikki Tahkapaa Finland captured fifth place towline glider Walter Hailer Switzerland tied fifth place towirne giber Israeli flier Giora Hertsberg employed unique tail Hot sun exposed rubber can cause breakage common sight see helpers shading rubber slotted flap Wakefield jobs ways Roger Simpson shades Walt Ghio packs turns Wakefield 44 Model Aviation ustrien nuns acnaiiiei neu secona piace in nut ais qualified model found fraction OT gram under weight Tough break probably caused heat removing moisture Israeli flier ltzhak Ben-ltzhak winds winning Wakefield flight helper shades what looks like glider wing its envelope .n Uuradys tnrew prop oiaae auring second still managed second place US teams Bob erchlO winds hi ite-designel akefiel. model its rubber well-shaded against low slanting sun zoom launches Russians subse quent development throughout world has changed Trick mechanisms used actuate rudder sometimes horizontal tail three four positions corresponding different phases towing launching gliding Wings must strong enough support load 10 15 times weight model during zoom launch may have over 500 parts physical skill stamina required combination middle distance runner dancer expert recommends jogging backwards part physical conditioning routine US Team consisted Jim Wilson Lee Hines Jim Walters Wilson Hines have doing extremely well local competition have previously participated World Champs third member team have Bob Isaacson making 100% Southern California team dropped out because knee injury Walters took fourth place team-selection finals has participated two previous World Champs scored highest among US competitors both occasions Starting 755 under overcast sky Round opened dead air little help gliders few can make three-minute max flights some help thermals JimWalters designated Team Manager Dick Myers fly first started towing 19 minutes after start round followed what must have hectic 12 minutes model aviation history Walters ran side end starting line other half followed half lead entourage helpers carrying thermistor-type thermal detectors throw ing cat-tail fluffies air cranldng away bubble generators watching performance other models less half round remaining Wilson Hines make flights Walters zoomed model off towline what seemed like marglnally good air model failed find significant lift stalled bit entered turbulent air near ground turned flight time 249 11 sec short max Two minutes later Hines started towing weather rapidiy improving another two minutes zoomed model off made max 24 sec spare Wilson started towing immediately lift still easy find After towing 15 mm went off flight exceeded 3 mm max mere 02 sec Only 17 ofthe field of66 maxedon first round teamthe Chinese made maxes end Round US team third place behind China Denmark Walters chance crack individual world championship already past would certainly would max seven rounds didnt prevent him doing best esprit de corps second no other teams US team made maxes following six rounds Chinese model spun in Round Two putting US team second place fourth round Danes dropped 37 sec putting US team January1980 45 Flier Peoples Republic China shows Western nations havent cornered market free flight skill Note tail design Australian Paul VanLeuven prepares last flyoff round Mechanical problems pre vented winding motor fully took 2nd p1 Roger Simpson gets off perfect launch Power Carl Bogarts model inner wing panels par tially covered hard aluminum foil uaioreain wamis iur inermai ueiaiors LU Nowi Slightly oversized engine manufac tured disqualified him third place first place remain giving US its first team World Championship since 1965 tied Italy first Power event its first World Championship ever towline glider event flyoff rounds perfect scores went Wilson Hines US Per Grunnets model proxy-flown twice-world-champ Thomas Koster Denmark Per Qvarnstrom Sweden Heikki Tahkapaa Finland Walter HaIler Switzerland Gottfried Zach Austria Herbert Schmidt West Germany Pieter DeBoer Netherlands 445 weather deteriorating rapidly sun plunged toward crest Coast Range first fly-off round started Schmidt DeBoer missed lift failed max re maining seven made required 5-mm max flights second fly-off round third would last Qvarnstrom launched Hines off minute later what felt lift very good lift perhaps best might come along Both models sank passed over grassy area quarter mile downwind launch line turning scores 333 322 respectively Koster launched two minutes after Hines point considerably upwind model gained bit altitude time reached sinking air over grassy area continued upward slope beyond finally coming rest flight time 411 other three trailed far behind Koster albeit Per Grunnets model came first three-time three-event World Champs winner history Wakefield Rubber Power FiB US team consisted Bob White Bob Piserchio Walt Ghio Piserchio Ghio 1977 team White placed second third fifth previous World Champs has list major wins US long arm first flight relatively uneventful twothirds fliers made 3-mm maxes including US team did max Reiner Hofsass Germany flying high-aspect-ratio Espadon solid-balsa wing high aspect ratio wing permits wash-in wing outside glide circle transforms what would normally stall swooping climb humidity change Home-made transits used measure alti tude models NFFS Tech Task Force headed Fred Pearce Rol Anderson riometar wmtfl sonic output signal Sensitive small changes air pressure used Argentinian team thermal-detection aid hermal detector used thermistor 50 yards upwind another recorder home-brew two-pen drum recorder 46 Model Aviation T Italys Mario Rocca flew superbly crafted model geodetic ribs Italian style first place Used new AD 15 engine Former World Champ Albert DalrOglio plenty smile about home made engine used winning Power flier Mario Rocca Chinas single Power flier Qinfei made fly-offs took sixth place caused wing warp reverse model stalled After drastic readjustment including addition nearly quarter-inch wing inci dence model began perform rather well went well US team until third round Ghios model spun ground under power score 30 sec timeroperated automatic rudder control nor mally flips rudder glide position motor unwound actuated too early White apparently flew bit too early thermal dropped 37 sec Piserchio dropped 51 sec fifth round other teams doing too well either Going Round Seven US team fifth place team maxed Round Seven US team would have taken third place too shabby 22 countries entered Ghio missed thermal US dropped sixth place Only six perfect scores end Round Seven Itzhak Ben-Itzhak Israel age 27 far youngest bunch Paul VanLeuven Australia Dan OGrady Canada Paul Lagan New Zealand Ron Pollard England Hans Zachallmel Austria Lagan Pollard dropped out first flyoff OGrady threw prop blade second failed find lift second attempt using back-up model three fliers going third round last VanLeuven gotten half broken motor stuck twin-rudder model previous round using back-up model Mech anical difficulties made impossible him wind motor fully Both Zachallmel New Zealander flew did make required 6-mm young Israeli broke motor last fly Finally minutes spare launched almost immediate applause crowd apparent model going well Cheers again rose model still good altitude passed Zachallmels score 50year-old Wakefield Trophy cap climax model still going well made six-mm max what OGrady Canadian THE RULES OF PLAY after 3 mm order ease probler round contestant must get model airborne rules procedures complex retrieving models otherwise mighi stay within specified 1 5-mm period briefly itwork like Ailmodels must cc nply ip hours land Los Angeles 15-mm period between rounds forretrievingthe stringent rules regarding weight wing area end seveA regular mi inds model preparations next round engine displacement rubber-motor weight exceptional teas have mt4e 3-mm max fly-off increased minute country has up three contestants entered maxes flights team scores over max previous round event preliminaries consist reckoned according score end weather deteriorating sundown seven rounds one-hour period during seven rounds cases ties scores made approaches thereby decreasing chances members team must fly following fly-off rounds considered modeler launching models upwardscored zero contestant allowed two typical up 15 20 individuals moving thermals max increasing attempts put up official flight event outofa field 60 80 achieve perfect minute round flying doesnt go oil complex rules regarding what counts scores seven rounds final lon& 1979 World Champs final attempt Models scored flight duration placing individuals determined flyoff standing determined third fly-off anything over 3 mm scored 3 mmroundsround three events Contestants equip models fuse fly-offs contestants participate contestant achieved required 6-min max clockwork devices bring down quickly individuals rather teams h fly-off round J January1980 47 mini-computer churned out round-by-round results within minutes end round US Team Manager Dick Myers received momenta signed byteam members Paul MacCready man-power flight fame chatting Carl Goldberg NFFS luncheon speaker Paurs first model Carls Sailplane Swarm killer bees could have caused chaos Actually its aero science run rampant Canadian supporters thrash air under model hope triggering thermal Meuser thought eased tension model lost prop blade previous round frantically preparing model flight timekeeper raised gun signal end round misfired reloaded gun OGrady launched second later gun fired previous round OGradys model maxed prop blade could determined prop blade flew off before model actually launched perhaps flight would have counted turned out model underweight prop blade previous score stood wasnt over yet After event has ended top-placing models checked compliance rules Zachalimels model found underweight about half gram low humidity apparently dried out wood since model weighed three days earlier Scales checked re-checked using master weights accurate few thousandths gram casting possible small error favor contestant model underweight disqualified Van Leuven OGrady moved second third positions Power Fl C US team consisted Doug Galbreath Roger Simpson Carl Bogart Doug print shop produced official program Champs NFFS publications placed sixth 1967 World Champs third 1963 Roger brother Reid have strong Power years regularly fly Doug live Sacramento area talked Doug few weeks before Champs said Roger really ready hes going Bogart showed hometown lads what about flier max out team selection finals year ago team strong others Germany example two ex-World Champs its roster Former World Champ Franz Baumann West Germany first off few minutes after starting gun maxed model flown Thomas Koster Denmark winner 1977 World Champs climbed straight up engine cut model came down tail first finally recovered after losing half its original altitude failed make required 3minute max Galbreaths model climbed height measured 565 feet Technical Project crew during engines 7-sec run made near perfect transition its glide circle made 1 turns its 3-mm glide detherm alized caught Dougs helper Ken Oliver SOft launch point other two US team members Roger Simpson Carl Bogart maxed uneventfully no strong thermals 18 46 contestants made max flights whereas later rounds 30 maxes would typical 18 9 would survive following six rounds partic ipate fly-offs French Canadian US teams ones have members max first round second round uneventful US team again three members maxed third round Simpson made normal climb transition became apparent engine still running ticking away very low rpm Bogart maxed earlier Galbreath flew maxed Simpson prepared second model Time running Out Simpson Launching minute before rounds end little opportunity choosy about thermals Roger flying back-up model missed max 49 sec Canadian French teams missed maxes third round too order team scores France Canada USA would remain way through Round 5 start fourth round previous overcast cleared thermals becoming strong two-thirds flights would maxes Simpson again flying number model flying Continued page 122 48 Model Aviation Allan Wells England processed some 50 Wakefield rubber motors heat took its toll broken motors some fliers ran short PLEASE STATE AXLE DIAMETER Irwin about total number engines pro duced total about million didnt seem quite surprising number 0 & R 23s made total 800000 23s leaves 200000 rest combined 19s 60s 29s 33s Gold Seals Miniatures Wow Incidentally Mark Fechner special izes repair service 0 & Rengines planning produce batch first Ohlsson engine about later Clarence Haught 5 Box 16 CoeurdAlene ID 83814 Free Flight WC/Meuser continued page 48 order changed US Team Manager Dick Myers Simpson flying last order give Galbreath Bogart could possibly make fly-offs little time needed team maxed Rounds 4 5 Koster making good climb-to-glide transitions despite precarious straight-up climb Round 6 Galbreath flew usual nearperfect form Bogart flew engine over-run Simpson fueled up flight Bogart again model ready Team Manager put him ahead Simpson air looked good started engine advice Walt Ohio manning thermal detector shut down Again air looked good fired up launched poor powered-flight pattern scored 136 dropping US fourth place remain Round 7 uneventful US team maxed Former World Champ Hans Seelig Germany maxes thus far started engine quit before could re-start thermal passed again played cautious waiting game Finally started engine again quit re-started immediately launched model nearly looped finally settled its glide pattern half-normal altitude got little help mother nature lost chance Champ again Nine contestants perfect scores through Round 7 USs Doug Gaibreath Mario Rocca Italy Kejiche Kibiki Japan Qinfei China Denis Ferrero Michel Iribarne France Martti Keinanen Finland Frank Schlachta Canada Reinhard Truppe Austria made 4-mi maxes first flyoff though Qinfeis model nearly looped Ferreros beautiful continuous-dihedral models engine power sagged what last fly-off Austna Japan went off immediately Soon after Canadian went off poor power pattern about same time Rocca went off characteristic perfect flight pattern model stalling just bit first glide turn Its habit others followed later Italian max Kibiki Gaibreath posted scores 545 418 second third places again contest wasn t over quite yet Models checked Gaibreaths engine displacement found over 25 cc limit microscopic amount measuring equipment checked re-checked finally engine taken independent lab additional check Still over little choice disqualify Galbreath ironically Galbreaths flight scores set zero US teams score placed below dozen countries engines checked indeed tough disquality two outstanding performances essentially trivial deviations rules could have affected performance models least amount True Zachallmel perhaps should have built model close edge perhaps should have figured low humidity drying out model bit Galbreath could have requested engine-displacement check during processing would expect commer cially-built engine intended particular competition class modified way would affect its displacement overdisplaced rewards competition supposed skill building flying model aircraft skill complying knit-picky rules No happy over decision disqualify Zachalimel Galbreath least runners-up profited decisions sterile statistics will show scores zero two will know statistics dont tell real story tough sure play game played according strict rules rules must prevail no question terpretation rules might other aspects rules opinion isnt necessarily popular dont see make decisions could have good conscience done anything other what did didnt notice wringing hands glee over decisions made would inappropriate dwell performances competitors least mentioning made competition possible although deserve far well simply list Competition Director Bill Hartill SCAT Contest Administrator Hardy Brodersen National Free Flight Society Contest Manager Bill Bogart SCAT FAI Jury chartered adjudicate rules-book matters headed Sandy Pimenoff Finland backed up Ian Kaynes England George Xenakis US Event Directors Juan Livotto Irv Aker Ed Carroll Chief Timekeeper Andy Faykun Chief Scorekeeper Gail Gewain Processing Director Bob Hatschek Proxy Coordinator Jim Quinn NFFS International Symposium Coordinator Editor Ray Harlan NFFS Technical Task Force Director Fred Pearce assistance Dennis Mihora Chris Matsuno Andy Bauer Rol Anderson others NFFS Plans Book Editor Dave Linstrum AMA President Earl Witt AMA District X VicePresident Jim Scarborough AMA Headquarters staff John Worth Executive Di rector Frank Ebling Technical Director Mich elene Madison FAI Activities Coordinator Giselle Jackson stayed up nights making certain money went right places Matt Gewain donated use personal Apple II computer its snazzy peripheral dot-matrix printer pro grammed right things data many others FF Sport/Scale/Warner continued page 54 Angeles bunch dedicated volunteers sets up hall full tables begins registering models brought such exotic places Van couver Canada Las Vegas Nevada Gaines ville Florida Lake Havasu Arizona San Diego contingent arrives force old friends made through marvelous medium modeling share smiles hearty handshakes good-natured cajolery Cracks Itll never fly Too bad never real like expected dispensed rolling eyes upward moaning No ever comes away empty-handed Saturday scale exhibit judging appreciative comments people judgment take gospel like Krugerrands pocket Ques tions got particular finish ever found three-view plane treasured pot-metal 122 Model Aviation FOdOHARDWARE WORKING TURNBUCKLES RIGGING & CONTROL CABLE CONTROL HORNS STRUT FITTINGS K CORD COCKPIT TRIM~ PULLEYS INSTRUMENT HOUSINGS information ando ata logue S end Si 00 Ilodw ENT CORP PO Box 9641 SAN DIEGOCA92109 THE NEW FIREBALL GLOW PLUGS ARE LEAKPROOF AND BLOWOUT PROOF EVEN FOR THE NEW MONSTER ENGINES BUT THEY ARE STILL THE OLD PRICE OF $1 10 WRITE NOWI SWANSON P 0 Bo Wayn eX 07470 SKIS* $898 $1750 pair C z 5 -K -a ICUSTOM MACHINING COAd $210 Pwtq HadIig I100 FIFTH AVENUEoxs R,deSAdg4%TC I NEWBUAGH NEW YORK 12550 nPATENT APPLIED LAST INIRLLRIIUI EASIER LANDING GREAT FOR BEGINNERS USE ON SNOW SAND AND MARSH SAFE FLYING IS NO ACCIDENT