Us Fin rLi Cli CI 11th annual gathering FFers May 23-25 1981 contest site Taft CA envy modelers over world good flying weather few obstructions almost unlimited down wind chasing retrieval high-flying birdieslfl Bob Meuser Dan Hannah youngest member Flying Hannahs holds original-design Gas model Power Supertigre 15 NESTLED southernmost corner Cali fornias San Joaquin Valley Coast Ranges Sierra Nevada meet Tehachapi Mountains dividing California its Southern Nothern parts lies Taft again site annual US Free Flight Champion ships Held annually over three-day Memorial Day weekend Champs draws some 300 competitors mostly western US few East Midwest Canada Mexico lb R B McKennas T-shirt proclaims winners Broadhurst Trophy Chuck AMA vicepresident executive director N FF5 founder FF Championships occasional New Zealand Australia becoming tradition England Paul Masterman co-editor Free Flight News What can writer say about event bound replay what happened last year year before same old guys doing same old things 50 Model Aviation Ralph Prey originated Nostalgia eventits model designs falling somewhere between Old-Timer modern stuff gains popularity yearly big Ramrod Anorner Flying Hannaha time its Bruce flies 11-year-old Classic venerable Veco 19 Gas Although seem crashes competition FF some models survive hundreds competition flights before being honorably retired Hod lersons riles ma orIglnal-oesign cipirer iii ooxn rlail-Mand AGas events using traditional Cox Tee Dee 049-to-051 engine swap Such models flying Class against models having 4 times displacement frequently give good account themselves Sal Taibis Starduster design now quarter-century docile model still competitive Kenny Keegan Jr Burbank CA built Tee Dee 049-powered Duster flew Champs IN PiOfl Mi Ah isnt quite always same old guys Some drop out die off replaced new fresh young faces some dropped out late teens come back adults wives families little shavers have grown foot since last time saw just let know time has stood still Notable among fresh new faces pair youngsters Mexico City Hugo Moran Ricardo Bernal lads participated program set up Colomarex Nordic Glider flier sent Champs result having won local contests Mexico City Mexico City has frequently sent adult glider fliers participated Peanut Scale activities dont recall seeing such young people before obviously know what theyre doing Theyve asked Bud Romak ex-World Champ Indoor flier come institute show Indoor model construciton flying techniques Also trio young people call themselves Jim Wilson memberof 1979 1981 US Nordic Gliderteam patches up straightdihedral Simple Toygliders Jim wasecstaticoverthechanceof US FFteamsdoing well atthe forthcoming World Champs Spain virtue having practiced lot together years US FF Champs Ken Bauer managed explode A-2 Towline Gliderpossibly because laid out theGrandma Meuser dark glasses helps desert two occasions once 7 monthsMarnie retrieve winning A-i Towline Glider another time 6 weeks weakened byafter first max flight Its Tadpolea Xena exposurekis design wins lot September 1981 51 R B McKenna VTOs huge Satellite 1500 macho D Gas event An 05 65 Schnuerle hauls orbit Fairchild F24 has always popular sublect Scale Art Herbans 3-footer electric-powered Astro Flight 020 Few Power Scale models use internal combustion engines nowadays mostly electric CO-2 Sill McConacflies big rubber-power Douglas 0-38 has led tough life lost QOS last yearlater found returned year wound motor slipped Bills grasp tore side Out fuselage whirlwind fashion Bill repaired got hisflightssandwiched between Wakefield flights Good enough 3rd both AMA Jumbo Scale events Return-gears Loren Williams 36-1/z-in-span BuckerJungman connect two 14-strand 17-in rubber motors end-to-end arrangement allows double motor-run time Ed Lidgard loadsthe rubbermotorinto Bugs Buzza 1942 design qualifies Old-Timer Coupe d H iver P-30 Ed friends cranked outa half-dozen atacratk MartyThompson isa formerJunior Nats Champ Model isa scaled-down PlayboySr Such models limited 36-in wingspan powered Cox Tee Dee 020 glow engines Black Sheep Squadron Burbank flew nothing canards tandems deltas Al Hieger Lynne Ruben Barnaby Wainfan Notable Lynnes Peanut Scale delta designed three-views proto type flew quite nicely easy subject kickolTevent 1981 US Free Flight Champs although official schedule Unlimited Mulvihill Event rubberpowered models flight dawn maximum flight duration label trophy puts perennial special event represents Free Flights finest hour ultimate expression some four-fifths century attempts achieve maximum flight performance model aircraft driven twisted rubberband sam time model aviations primitive form propulsion Mulvihill part 4ie name comes Mulvihill Trophy donated 1923 B H Mulvihill vice-president National Aeronautic Association awarded almost annually ever since event has awarded recent years has called Unlimited Rubber event recently name got changed Mulvihill Event Unlimited part name special event represents fact no max~ flight-time limit official AMA events Models launched within narrow time-window between 600 620am weather permitting thermal activity atmos 52 Model Aviation Lynne Buben scratch-built mis ieanut Scale Delt-Air 250 3-view drawing prototype built home town Flint Ml Deltas easy subjectshers flew superbly Bob Dodds flew Gil Shulman-designed Rambler Old-Timer C-Pylon event Power Brown Jr spark-ignition engine Old-Timer events models designed before 1943 Varipus held during 3 days FF Champs Canadas perennial Nordic Glider team mem ber Peter Allnutt gets shot Gatorade between flights Canada usually well-represented US FF Champs Hugo Moran came Champs Mexico City because won competition first group younger contestants area flies plastic-prop model increasingly-popular p-ao event info Mexicans article phere about little ever Good competitive Mulvihill models will turn scores five six minutes early-morning air four years event has flown average score has range year Bob White has managed top average 50 100 percent Bobs modelshe used new year same old rubber motorare unusual nor does harbor secrets practiced eyes peers could discover Ask Bob hell tell anything want know hell put down paper forthcoming article appear Free Flight digest National Free Flight Society Airframe weight Bobs 290-sq model 75 grams rubber motor weight 90 grams Aspect ratio perhaps bit lower average stabilizer area large around 35 40% wing area Fuselage tube rolled light 1/16-in balsa sheet Rib spacing about equal chord added diagonal ribs Whites traditional version Union Jack construction technique does give especially uniform nor accurate airfoil section likely change shape time So what Bob White secret Pure luck . likely four times row Hes Number because tries harder perhaps model designed built trimmed carefully particular event flies regular Mulvi event under thermal conditions traditional talk about Tafts weather temperature characteristically getting 950 1000F year can talk about weather different reason mildest Ron Wittmans youngest Jet gets off 4-mm flight Novice Pennyplane under pops watchful eye first model got him trophy has ever during 15 years ot Champs its precursors Maximum tempera ture seldom poked 80s Models didnt drift very far afternoon wind usually comes up Thermals never strong enough keep dethermalized model going up Dust devils apparently ex orcised third day sky overcast through out day few drops rain usual 10 am doldrums persisted day long Mylar streamers atop poles 100 yards apart indicated opposite wind directions Occa sionally would lift its plume skyward indicat ing thermal have fall dead ground few seconds later Oh thermals alright holes down ward-moving air between thermals did best keep presence secret Free Flight business curious kettle flying fish hand Old-Timer devotees fly models designed before 1941 gas events use old modern spark-ignition engines far cry Continued page 126 September 1981 53 Englands Paul Masterman co-editor Free Flight News Wakefieldwaiting sure thermal Paul flies Outdoor Rubber events Doug Galbreath Roger Simpson members US FAI Power team wait tout forbetterair likelyto occur later round 81 FF World Champs will Spain Mario Oliver discusses team tactics other members mock Italian FAI power team Teams organized compete against official US teams FF champs make final pre-World Champs practice realistically tough possible trio younger modelers Burbank CA flew weird models I-30 Two tandem-wings canard flew nicely seemed bit underpowered L RI Al Hieger Lynne Buben Barnaby Wainfan PBY-5 Catalina$40000 See Dealer Mr Gs Products & Supply 1010 Gratiot Marysville MI 48040 areas corrections helpful tips newsletter nice touch particularly beginners visiting friend out town UPS arrived package American RC new plastic side frames modifications friends Mantis Mantis available since loan South Carolina plastic parts look good probably superior plywood construction least regard building time modification available under $2000 believe Mantis needs face lift could ticket also received information Watson dustries regarding new gyro com pany has developed electronic device duplicates function old electro mechanical rate gyro Im looking forward trying soon can Ill try out new Schlueter SX8 1 Helicopter photo beginnings SX8 1 next Heliboy might lead wonder Dieter didnt name latter Lowboy center gravity higher 5X8 1 Heliboy promises better rolling character istics fuselage very scale-like fact someone familiar full-scale Helicopters might think SX8 lisa scaled-down version latest attack Helicopter time permits hope have SX8 1 completed featured next month Meanwhile since Heliboy doesnt fly itself think Ill try hand Good flying See next month Dave Chesney Rt 9 Box 621A Greensboro NC 27409 RC Pylon Racing/Hager Continued page 47 pher cut last pylon rendered Rusty ultimate winner time 1123 sponsor caller Jerry Boyce walked away $58050 eachnot bad weekend races 44 Expert contestants 22 broke 120 says something clean air Cali fornias central coast lot people made race total success starter Len Ledson Club President Tom Wiggen everyone pitched helped look forward next year Race #6 will better ever final results Expert 1 Bob Smith 2 Keith Davidson 3 Gary Hover 1146 1175 1178 4 Dave Kaylor 5 Dave Shadel 6 Tom Christopher 7 Rusty Van Baren 8 Ron Schorr 9 Mack Moffat 10 Kent Nogy Results Standard 1 George Soderberg 2 Don Dombrowski 3 Tom Strom 4 Kim Tucker 5 Jim Kelly Formula fliers should put contest calendar years Nationals will Seguin TX August 2 thru 9 Its going good have plenty room weather should great Ill looking forward seeing Bill Hager 706 Glen Haven Dr Conroe TX 77302 FF Champs/Meuser Continued page 53 modern Schnuerle-ported nitro-methane-buming 30000 rpm engines Some gas jobs run over field before taking off ever just like good old days 1935 1940 get airborne sight behold sight makes some modern modelers wonder went wrong good old days new twist As Ed Lidgard put half way through winding up modern version Bugs Buzz rubber power model Yeh good old days didnt have decent rubber decent winders winding tubes prevent models getting destroyed rubber motor broke de thermalizers help us get models back good old days now words effect Seconds later tiny ugly-cute Bugs Buzz skyborne rate climb would make FAI Power flier writhe envy middle ground bulk modelers fly usual retinue AMA events rules play such guy old model semi-antique design powered well-worn enginebut well trimmedcan beat hell out competition provided can pull off act real goofs Real innovations scarce Gradual development two guys pushing particular design concept limitis norm Luck plays major role absence bad luck rather prevalence good luck makes 126 Model Aviation SOLAR CHALLENGE WEAR SUPER COLOR T-SHIRT $1 Ooo S M L XL BLUE TAN NAVY GOLD ORDERS ADD $200 SHIPPING CALIF RES ADD 6% SALES TAX / ili, 1 f/ S / FREE PRICE LIST S PLANS PHOTOS POSTERS rnQAa-1 ST. SIMI VALLEY CA 9 Republic Seabee$18500 1186 1121 1162 1157 1214 1196 1142 1325 1322 1277 1315 1506 Grumman Widgeon $25000 D L LV THE NEW FIREBALL GLOW PLUGS ARE LEAKPROOF AND BLOWOUT PROOF EVEN FOR THE NEW MONSTER ENGINES BUT THEY ARE STILL THE OLD PRICE OF $110 WRITE NOW' SWANSON PO Box 1 Wayne NA 07470 THE GIANTS IN GIANT SCALE KIORITZ 24 Cu Ifl SUGGESTED LIST 219~ EXHAUST MANIFOLD KIT Fits Kioritz McCulloch Kawasaki$1000 VELOCITY STACK KIT Kioritz Quadra300 6 BOLT PROP HUB Kioritz Quadra1995 SPECIAL LENGTH PROP HUBS FOR KIORITZ&OTHER ENGINES. 2000 PRESSURE CHECK VALVE 1-way smoke system395 CHAMPION PLUGS resistor250 BELRAY MC-1 OIL 12 oz295 rlLtJ INTRODUCING KIORITZ SUPER ENGINES29 5 DISPLACEMENT RANGESImount water cooled head18 365 56 cu HP Range 6 9 pua I E. Direct Sales Only DIRECT SALES ONLY CALL OR WRITE FOR TERMS C KIORITZ 1 ROUSH MFG Box 251 YVILLE OHIO 44671 Phone 216 866-9462 484-4374 winners Bob Vinson middle-grounders flying engine-power events exclusively started off Carl Goldberg Sailplane some 40 years ago modified bit time its dozens successors built todays version elliptical wing has given way doubletaper approximation rudder got pushed astern stabilizer fat oval fuselage Sailplane gave way skinny balsa box decades ago won big-engine D-gas event other extreme FAI-event fliers eyes international competition particularly World Championships Stay away people value lives sanity talk bite vampire will become universe near-equals one-percent advantage becomes technological breakthrough century mind fact Airfoils piston fitting rubber selection tow-hook rake angle thermal detection materials construction team strategy competition tactics circletow-zoom-launch techniques technology mind boggles meet served final practice session teams will represent USA World Championships held Spain later year 10 members teams present functioned teams rather merely individuals addition ad hoc teams formed challenge US teamswhat greater glory beat champions put pressure Some teams labeled themselves Italian team Russian team went around acting surly talking broken English awhile butwhen mattered attitude business real Canadian team Nordic Glider event Off side main sequence Scale modelers models range size 1 3-in-span rubber power Peanut Scale models 3-ft Jumbo Scale models also rubberpowered Glow-engine diesel-engine powered models seen frequently decade ago development suitable electric CO-2 systems has put end greasy kid stuff almost models judged workmanship fidelity scale additionally engine-powered models judged flight quality rubberpowered models duration flight Judging Scale models flight duration seems ludicrous writer thats way game played Bill McConachie tough time flying big rubber power Douglas 0-38 biplane both AMA Scale Jumbo Scale sandwich ing Scale model flights between Wakefield flights Time didnt permit such niceties switching rubber motors between flights flight least three broken strands thrashing around preparing another flight wound motor slipped away tried switch winder prop motor tore away longeron lots RIC Free-Flight Assist Friendly Giant SUPER BUCCANEER Plan Set 88 WIngspan 5 Englrwi Wgt7 lbs wlo radio 2-5 chan RIG $1795 Original design dates 1937 F/F era #RCFF1 Prices Complete Plans Sub Assembly Detailed Parts Lists Add $200 Mailing Tube Send Brochure Details new designs & great things come Send $100 refundable information LEISURE takes AIR DOUBLES yourflight time SEND SASE FOR COMPLETE INFORMATION Now 8-10 mm ot eiectric power per flight LEISURE ELECTRONICS@ 11 Deerspring Irvine CA927140 714552-4540 Complete flight system $7500 September1981 127 Bob tite launches rubber-power moaei dawn 4th running 1 flight Unlim Ited Mulvihill event flew 13 mm well ahead competition 4th consecu tive win annual event KIORITZ tNIiINES BY GIBBS HOBBY & RESEA Original Developer Factory Trained Authorized Master Service Dealer Year Limited Warranty Pre- Drilled Props Avail Ask About Custom- Built KIORITZ Engines Deep Fins Optimum Cooling 21/4 Flywheel Small Magneto 1 5/8in Six Bolt Aluminum Hub Carb Needles &Throttle Accessible Engine Running Don Godfrey [2z22276J Points Sealed Rear Housing $19995 pay ship pre-paid orders Mufflers Now Availablel DEALERS WELCOME 5FECIFICATION5 242co 357ccWoIbro Pnorp CobRoll Reorngs Crenk 32HP ot 8000 too3 Rog PstoeCoged Rollers Rod ond Fstoo Rn ght 6 lb GIBBS HOBBY & RESEARCH 6195 HIlifleld St NW N CANTON OHIO 44720 Phone 216 499-8854 after 600 PM covering lodged itself midway along fuselage Somehow Bill fished out too much additional damage model repaired model made required number flights result two trophies satisfac tion finishing ajob set out despite difficulties Off other side main sequence Indoor fliers Both Novice Pennyplane Easy B flown Champs too-small gym lights about 20 feet above floor choice events turns out good although happened somewhat accidentally Easy B lack covering bracing restric tions minimum-weight rule gives real Indoor fliers something play flying larger AMA FAI-class Indoor models such place would ludicrous Novice Pennyplane its severe restrictions gives novice good shot necessary skills can relatively quickly developed Still same guysMather Banks Hoffmanwin top spots both events nearly year isnt say fragile pillars glory couldnt toppled someone willing devote litte effort such endeavor Forming another offshoot main se quence Hand Launched Glider fliers come two colors Indoor Outdoor Strangely skills goals two diametrically opposed same guys fly both classes Indoor event name game chuck 16-in 4-gram solid-balsa model up rafter 20 feet overhead program flip steady glide losing lot altitude pray someone doesnt sneeze takes bit luck no little skill experience get such light model survive launch gliding speed such models unbelievably slow glide angle rather steep pair over-30-second flights required win Mike Stoy Chicago area frequent Nats Hand Launch Glider winner dropped long enough win Indoor Glider event did friend Bob Hayes Jr two years ago guest Cloud Dusters barbeque thrown Bud Romak way Yosemite plans go top Half Dome hard way up face Outdoor Hand Launch Glider event game chuck 1 -oz solid-balsa glider up height 100 ft thermal Strong thermals easy find such low heights tend small diameter Cattail fluff thrown air popular way detecting localizing thermal surprisingly Jim Leuken won event Hes lad won event 1977 Nats newcomer flying Senior age class hes wins since As trophies tucked away unoccu pied corner car trunk motorcycle lashed down bumper rack wonders what will like next year bound hotter Will able avoid errors bad luck years meet will largely same old guys doing same old thing expectation will some fresh young faces too Thats what keeps crazy Free Flight business going FF Scale/Warner Continued page 55 Eindecker second year running Clar ence Mather great new Tipsy Junior Scott Rubke whole load airbrushed fine-flying WW II vintage ships sporting decal decorations larger plastic kits really dresses up crowd favorite Lynne Bubens Dean Delt-Air 250 homebuilt flew better real destroyed itself its builder its first test flight Lynnes ship fourth model made rock-steady left-hand circles times bit under half minutebut spectacular enough draw applause crowd could believe Barnaby Wainfans Dreadnought Postal monoplane its huge wing area also flew fine form Its what makes FF Scale fun seeing unusual rare finely-crafted models flying well FF Gas now aptly designated FF Power went electrics wiht Paulhan Tatin taking first Ferrell Papics Bleriot VII right behind Both powered Astro 02 units Ferrell uses Sanyo -length Nicad cells standard GE cells supplied Astro-Flight minutes charge gives about 30-second flight 20 seconds minunum judging realism-of-flight Ferrell uses about six minutes always seems stay up forever Two amps seems best rate charge four-cell pack Peanut outdoor would have won Clarence Mather Tom Comparet Jr except fact planes flew too well Clarences Davis V-tailed ultra-light model made OOS early game Toms Peck Lacey sailed off same thermal Lacey dropped out judging after flying its lucky amateur thats bacon first place Lacey teh Peck kit lost timers eye 2/2 minutes falling out thermal about four minutes total might interested note model built flown Indoor contest e hours six minutes box flight used Super Jet building save time prove no has excuse building model due lack spare time ll admit did take about six hours finishing touches such tissue letters recovering wrinkles adding de tails etc 128 Model Aviation Parker McQuown flew Coot Indoor Hand Launch Glider /s-oz models get flights 3Osec chucked height 20 ft Parker Novato CA George Schroedters new Wakefield Wake-Up soon kittedWII first US Wake kit since Korda back 30s gives good account itself despite its simplicity
Edition: Model Aviation - 1981/09
Page Numbers: 50, 51, 52, 53, 126, 127, 128
Us Fin rLi Cli CI 11th annual gathering FFers May 23-25 1981 contest site Taft CA envy modelers over world good flying weather few obstructions almost unlimited down wind chasing retrieval high-flying birdieslfl Bob Meuser Dan Hannah youngest member Flying Hannahs holds original-design Gas model Power Supertigre 15 NESTLED southernmost corner Cali fornias San Joaquin Valley Coast Ranges Sierra Nevada meet Tehachapi Mountains dividing California its Southern Nothern parts lies Taft again site annual US Free Flight Champion ships Held annually over three-day Memorial Day weekend Champs draws some 300 competitors mostly western US few East Midwest Canada Mexico lb R B McKennas T-shirt proclaims winners Broadhurst Trophy Chuck AMA vicepresident executive director N FF5 founder FF Championships occasional New Zealand Australia becoming tradition England Paul Masterman co-editor Free Flight News What can writer say about event bound replay what happened last year year before same old guys doing same old things 50 Model Aviation Ralph Prey originated Nostalgia eventits model designs falling somewhere between Old-Timer modern stuff gains popularity yearly big Ramrod Anorner Flying Hannaha time its Bruce flies 11-year-old Classic venerable Veco 19 Gas Although seem crashes competition FF some models survive hundreds competition flights before being honorably retired Hod lersons riles ma orIglnal-oesign cipirer iii ooxn rlail-Mand AGas events using traditional Cox Tee Dee 049-to-051 engine swap Such models flying Class against models having 4 times displacement frequently give good account themselves Sal Taibis Starduster design now quarter-century docile model still competitive Kenny Keegan Jr Burbank CA built Tee Dee 049-powered Duster flew Champs IN PiOfl Mi Ah isnt quite always same old guys Some drop out die off replaced new fresh young faces some dropped out late teens come back adults wives families little shavers have grown foot since last time saw just let know time has stood still Notable among fresh new faces pair youngsters Mexico City Hugo Moran Ricardo Bernal lads participated program set up Colomarex Nordic Glider flier sent Champs result having won local contests Mexico City Mexico City has frequently sent adult glider fliers participated Peanut Scale activities dont recall seeing such young people before obviously know what theyre doing Theyve asked Bud Romak ex-World Champ Indoor flier come institute show Indoor model construciton flying techniques Also trio young people call themselves Jim Wilson memberof 1979 1981 US Nordic Gliderteam patches up straightdihedral Simple Toygliders Jim wasecstaticoverthechanceof US FFteamsdoing well atthe forthcoming World Champs Spain virtue having practiced lot together years US FF Champs Ken Bauer managed explode A-2 Towline Gliderpossibly because laid out theGrandma Meuser dark glasses helps desert two occasions once 7 monthsMarnie retrieve winning A-i Towline Glider another time 6 weeks weakened byafter first max flight Its Tadpolea Xena exposurekis design wins lot September 1981 51 R B McKenna VTOs huge Satellite 1500 macho D Gas event An 05 65 Schnuerle hauls orbit Fairchild F24 has always popular sublect Scale Art Herbans 3-footer electric-powered Astro Flight 020 Few Power Scale models use internal combustion engines nowadays mostly electric CO-2 Sill McConacflies big rubber-power Douglas 0-38 has led tough life lost QOS last yearlater found returned year wound motor slipped Bills grasp tore side Out fuselage whirlwind fashion Bill repaired got hisflightssandwiched between Wakefield flights Good enough 3rd both AMA Jumbo Scale events Return-gears Loren Williams 36-1/z-in-span BuckerJungman connect two 14-strand 17-in rubber motors end-to-end arrangement allows double motor-run time Ed Lidgard loadsthe rubbermotorinto Bugs Buzza 1942 design qualifies Old-Timer Coupe d H iver P-30 Ed friends cranked outa half-dozen atacratk MartyThompson isa formerJunior Nats Champ Model isa scaled-down PlayboySr Such models limited 36-in wingspan powered Cox Tee Dee 020 glow engines Black Sheep Squadron Burbank flew nothing canards tandems deltas Al Hieger Lynne Ruben Barnaby Wainfan Notable Lynnes Peanut Scale delta designed three-views proto type flew quite nicely easy subject kickolTevent 1981 US Free Flight Champs although official schedule Unlimited Mulvihill Event rubberpowered models flight dawn maximum flight duration label trophy puts perennial special event represents Free Flights finest hour ultimate expression some four-fifths century attempts achieve maximum flight performance model aircraft driven twisted rubberband sam time model aviations primitive form propulsion Mulvihill part 4ie name comes Mulvihill Trophy donated 1923 B H Mulvihill vice-president National Aeronautic Association awarded almost annually ever since event has awarded recent years has called Unlimited Rubber event recently name got changed Mulvihill Event Unlimited part name special event represents fact no max~ flight-time limit official AMA events Models launched within narrow time-window between 600 620am weather permitting thermal activity atmos 52 Model Aviation Lynne Buben scratch-built mis ieanut Scale Delt-Air 250 3-view drawing prototype built home town Flint Ml Deltas easy subjectshers flew superbly Bob Dodds flew Gil Shulman-designed Rambler Old-Timer C-Pylon event Power Brown Jr spark-ignition engine Old-Timer events models designed before 1943 Varipus held during 3 days FF Champs Canadas perennial Nordic Glider team mem ber Peter Allnutt gets shot Gatorade between flights Canada usually well-represented US FF Champs Hugo Moran came Champs Mexico City because won competition first group younger contestants area flies plastic-prop model increasingly-popular p-ao event info Mexicans article phere about little ever Good competitive Mulvihill models will turn scores five six minutes early-morning air four years event has flown average score has range year Bob White has managed top average 50 100 percent Bobs modelshe used new year same old rubber motorare unusual nor does harbor secrets practiced eyes peers could discover Ask Bob hell tell anything want know hell put down paper forthcoming article appear Free Flight digest National Free Flight Society Airframe weight Bobs 290-sq model 75 grams rubber motor weight 90 grams Aspect ratio perhaps bit lower average stabilizer area large around 35 40% wing area Fuselage tube rolled light 1/16-in balsa sheet Rib spacing about equal chord added diagonal ribs Whites traditional version Union Jack construction technique does give especially uniform nor accurate airfoil section likely change shape time So what Bob White secret Pure luck . likely four times row Hes Number because tries harder perhaps model designed built trimmed carefully particular event flies regular Mulvi event under thermal conditions traditional talk about Tafts weather temperature characteristically getting 950 1000F year can talk about weather different reason mildest Ron Wittmans youngest Jet gets off 4-mm flight Novice Pennyplane under pops watchful eye first model got him trophy has ever during 15 years ot Champs its precursors Maximum tempera ture seldom poked 80s Models didnt drift very far afternoon wind usually comes up Thermals never strong enough keep dethermalized model going up Dust devils apparently ex orcised third day sky overcast through out day few drops rain usual 10 am doldrums persisted day long Mylar streamers atop poles 100 yards apart indicated opposite wind directions Occa sionally would lift its plume skyward indicat ing thermal have fall dead ground few seconds later Oh thermals alright holes down ward-moving air between thermals did best keep presence secret Free Flight business curious kettle flying fish hand Old-Timer devotees fly models designed before 1941 gas events use old modern spark-ignition engines far cry Continued page 126 September 1981 53 Englands Paul Masterman co-editor Free Flight News Wakefieldwaiting sure thermal Paul flies Outdoor Rubber events Doug Galbreath Roger Simpson members US FAI Power team wait tout forbetterair likelyto occur later round 81 FF World Champs will Spain Mario Oliver discusses team tactics other members mock Italian FAI power team Teams organized compete against official US teams FF champs make final pre-World Champs practice realistically tough possible trio younger modelers Burbank CA flew weird models I-30 Two tandem-wings canard flew nicely seemed bit underpowered L RI Al Hieger Lynne Buben Barnaby Wainfan PBY-5 Catalina$40000 See Dealer Mr Gs Products & Supply 1010 Gratiot Marysville MI 48040 areas corrections helpful tips newsletter nice touch particularly beginners visiting friend out town UPS arrived package American RC new plastic side frames modifications friends Mantis Mantis available since loan South Carolina plastic parts look good probably superior plywood construction least regard building time modification available under $2000 believe Mantis needs face lift could ticket also received information Watson dustries regarding new gyro com pany has developed electronic device duplicates function old electro mechanical rate gyro Im looking forward trying soon can Ill try out new Schlueter SX8 1 Helicopter photo beginnings SX8 1 next Heliboy might lead wonder Dieter didnt name latter Lowboy center gravity higher 5X8 1 Heliboy promises better rolling character istics fuselage very scale-like fact someone familiar full-scale Helicopters might think SX8 lisa scaled-down version latest attack Helicopter time permits hope have SX8 1 completed featured next month Meanwhile since Heliboy doesnt fly itself think Ill try hand Good flying See next month Dave Chesney Rt 9 Box 621A Greensboro NC 27409 RC Pylon Racing/Hager Continued page 47 pher cut last pylon rendered Rusty ultimate winner time 1123 sponsor caller Jerry Boyce walked away $58050 eachnot bad weekend races 44 Expert contestants 22 broke 120 says something clean air Cali fornias central coast lot people made race total success starter Len Ledson Club President Tom Wiggen everyone pitched helped look forward next year Race #6 will better ever final results Expert 1 Bob Smith 2 Keith Davidson 3 Gary Hover 1146 1175 1178 4 Dave Kaylor 5 Dave Shadel 6 Tom Christopher 7 Rusty Van Baren 8 Ron Schorr 9 Mack Moffat 10 Kent Nogy Results Standard 1 George Soderberg 2 Don Dombrowski 3 Tom Strom 4 Kim Tucker 5 Jim Kelly Formula fliers should put contest calendar years Nationals will Seguin TX August 2 thru 9 Its going good have plenty room weather should great Ill looking forward seeing Bill Hager 706 Glen Haven Dr Conroe TX 77302 FF Champs/Meuser Continued page 53 modern Schnuerle-ported nitro-methane-buming 30000 rpm engines Some gas jobs run over field before taking off ever just like good old days 1935 1940 get airborne sight behold sight makes some modern modelers wonder went wrong good old days new twist As Ed Lidgard put half way through winding up modern version Bugs Buzz rubber power model Yeh good old days didnt have decent rubber decent winders winding tubes prevent models getting destroyed rubber motor broke de thermalizers help us get models back good old days now words effect Seconds later tiny ugly-cute Bugs Buzz skyborne rate climb would make FAI Power flier writhe envy middle ground bulk modelers fly usual retinue AMA events rules play such guy old model semi-antique design powered well-worn enginebut well trimmedcan beat hell out competition provided can pull off act real goofs Real innovations scarce Gradual development two guys pushing particular design concept limitis norm Luck plays major role absence bad luck rather prevalence good luck makes 126 Model Aviation SOLAR CHALLENGE WEAR SUPER COLOR T-SHIRT $1 Ooo S M L XL BLUE TAN NAVY GOLD ORDERS ADD $200 SHIPPING CALIF RES ADD 6% SALES TAX / ili, 1 f/ S / FREE PRICE LIST S PLANS PHOTOS POSTERS rnQAa-1 ST. SIMI VALLEY CA 9 Republic Seabee$18500 1186 1121 1162 1157 1214 1196 1142 1325 1322 1277 1315 1506 Grumman Widgeon $25000 D L LV THE NEW FIREBALL GLOW PLUGS ARE LEAKPROOF AND BLOWOUT PROOF EVEN FOR THE NEW MONSTER ENGINES BUT THEY ARE STILL THE OLD PRICE OF $110 WRITE NOW' SWANSON PO Box 1 Wayne NA 07470 THE GIANTS IN GIANT SCALE KIORITZ 24 Cu Ifl SUGGESTED LIST 219~ EXHAUST MANIFOLD KIT Fits Kioritz McCulloch Kawasaki$1000 VELOCITY STACK KIT Kioritz Quadra300 6 BOLT PROP HUB Kioritz Quadra1995 SPECIAL LENGTH PROP HUBS FOR KIORITZ&OTHER ENGINES. 2000 PRESSURE CHECK VALVE 1-way smoke system395 CHAMPION PLUGS resistor250 BELRAY MC-1 OIL 12 oz295 rlLtJ INTRODUCING KIORITZ SUPER ENGINES29 5 DISPLACEMENT RANGESImount water cooled head18 365 56 cu HP Range 6 9 pua I E. Direct Sales Only DIRECT SALES ONLY CALL OR WRITE FOR TERMS C KIORITZ 1 ROUSH MFG Box 251 YVILLE OHIO 44671 Phone 216 866-9462 484-4374 winners Bob Vinson middle-grounders flying engine-power events exclusively started off Carl Goldberg Sailplane some 40 years ago modified bit time its dozens successors built todays version elliptical wing has given way doubletaper approximation rudder got pushed astern stabilizer fat oval fuselage Sailplane gave way skinny balsa box decades ago won big-engine D-gas event other extreme FAI-event fliers eyes international competition particularly World Championships Stay away people value lives sanity talk bite vampire will become universe near-equals one-percent advantage becomes technological breakthrough century mind fact Airfoils piston fitting rubber selection tow-hook rake angle thermal detection materials construction team strategy competition tactics circletow-zoom-launch techniques technology mind boggles meet served final practice session teams will represent USA World Championships held Spain later year 10 members teams present functioned teams rather merely individuals addition ad hoc teams formed challenge US teamswhat greater glory beat champions put pressure Some teams labeled themselves Italian team Russian team went around acting surly talking broken English awhile butwhen mattered attitude business real Canadian team Nordic Glider event Off side main sequence Scale modelers models range size 1 3-in-span rubber power Peanut Scale models 3-ft Jumbo Scale models also rubberpowered Glow-engine diesel-engine powered models seen frequently decade ago development suitable electric CO-2 systems has put end greasy kid stuff almost models judged workmanship fidelity scale additionally engine-powered models judged flight quality rubberpowered models duration flight Judging Scale models flight duration seems ludicrous writer thats way game played Bill McConachie tough time flying big rubber power Douglas 0-38 biplane both AMA Scale Jumbo Scale sandwich ing Scale model flights between Wakefield flights Time didnt permit such niceties switching rubber motors between flights flight least three broken strands thrashing around preparing another flight wound motor slipped away tried switch winder prop motor tore away longeron lots RIC Free-Flight Assist Friendly Giant SUPER BUCCANEER Plan Set 88 WIngspan 5 Englrwi Wgt7 lbs wlo radio 2-5 chan RIG $1795 Original design dates 1937 F/F era #RCFF1 Prices Complete Plans Sub Assembly Detailed Parts Lists Add $200 Mailing Tube Send Brochure Details new designs & great things come Send $100 refundable information LEISURE takes AIR DOUBLES yourflight time SEND SASE FOR COMPLETE INFORMATION Now 8-10 mm ot eiectric power per flight LEISURE ELECTRONICS@ 11 Deerspring Irvine CA927140 714552-4540 Complete flight system $7500 September1981 127 Bob tite launches rubber-power moaei dawn 4th running 1 flight Unlim Ited Mulvihill event flew 13 mm well ahead competition 4th consecu tive win annual event KIORITZ tNIiINES BY GIBBS HOBBY & RESEA Original Developer Factory Trained Authorized Master Service Dealer Year Limited Warranty Pre- Drilled Props Avail Ask About Custom- Built KIORITZ Engines Deep Fins Optimum Cooling 21/4 Flywheel Small Magneto 1 5/8in Six Bolt Aluminum Hub Carb Needles &Throttle Accessible Engine Running Don Godfrey [2z22276J Points Sealed Rear Housing $19995 pay ship pre-paid orders Mufflers Now Availablel DEALERS WELCOME 5FECIFICATION5 242co 357ccWoIbro Pnorp CobRoll Reorngs Crenk 32HP ot 8000 too3 Rog PstoeCoged Rollers Rod ond Fstoo Rn ght 6 lb GIBBS HOBBY & RESEARCH 6195 HIlifleld St NW N CANTON OHIO 44720 Phone 216 499-8854 after 600 PM covering lodged itself midway along fuselage Somehow Bill fished out too much additional damage model repaired model made required number flights result two trophies satisfac tion finishing ajob set out despite difficulties Off other side main sequence Indoor fliers Both Novice Pennyplane Easy B flown Champs too-small gym lights about 20 feet above floor choice events turns out good although happened somewhat accidentally Easy B lack covering bracing restric tions minimum-weight rule gives real Indoor fliers something play flying larger AMA FAI-class Indoor models such place would ludicrous Novice Pennyplane its severe restrictions gives novice good shot necessary skills can relatively quickly developed Still same guysMather Banks Hoffmanwin top spots both events nearly year isnt say fragile pillars glory couldnt toppled someone willing devote litte effort such endeavor Forming another offshoot main se quence Hand Launched Glider fliers come two colors Indoor Outdoor Strangely skills goals two diametrically opposed same guys fly both classes Indoor event name game chuck 16-in 4-gram solid-balsa model up rafter 20 feet overhead program flip steady glide losing lot altitude pray someone doesnt sneeze takes bit luck no little skill experience get such light model survive launch gliding speed such models unbelievably slow glide angle rather steep pair over-30-second flights required win Mike Stoy Chicago area frequent Nats Hand Launch Glider winner dropped long enough win Indoor Glider event did friend Bob Hayes Jr two years ago guest Cloud Dusters barbeque thrown Bud Romak way Yosemite plans go top Half Dome hard way up face Outdoor Hand Launch Glider event game chuck 1 -oz solid-balsa glider up height 100 ft thermal Strong thermals easy find such low heights tend small diameter Cattail fluff thrown air popular way detecting localizing thermal surprisingly Jim Leuken won event Hes lad won event 1977 Nats newcomer flying Senior age class hes wins since As trophies tucked away unoccu pied corner car trunk motorcycle lashed down bumper rack wonders what will like next year bound hotter Will able avoid errors bad luck years meet will largely same old guys doing same old thing expectation will some fresh young faces too Thats what keeps crazy Free Flight business going FF Scale/Warner Continued page 55 Eindecker second year running Clar ence Mather great new Tipsy Junior Scott Rubke whole load airbrushed fine-flying WW II vintage ships sporting decal decorations larger plastic kits really dresses up crowd favorite Lynne Bubens Dean Delt-Air 250 homebuilt flew better real destroyed itself its builder its first test flight Lynnes ship fourth model made rock-steady left-hand circles times bit under half minutebut spectacular enough draw applause crowd could believe Barnaby Wainfans Dreadnought Postal monoplane its huge wing area also flew fine form Its what makes FF Scale fun seeing unusual rare finely-crafted models flying well FF Gas now aptly designated FF Power went electrics wiht Paulhan Tatin taking first Ferrell Papics Bleriot VII right behind Both powered Astro 02 units Ferrell uses Sanyo -length Nicad cells standard GE cells supplied Astro-Flight minutes charge gives about 30-second flight 20 seconds minunum judging realism-of-flight Ferrell uses about six minutes always seems stay up forever Two amps seems best rate charge four-cell pack Peanut outdoor would have won Clarence Mather Tom Comparet Jr except fact planes flew too well Clarences Davis V-tailed ultra-light model made OOS early game Toms Peck Lacey sailed off same thermal Lacey dropped out judging after flying its lucky amateur thats bacon first place Lacey teh Peck kit lost timers eye 2/2 minutes falling out thermal about four minutes total might interested note model built flown Indoor contest e hours six minutes box flight used Super Jet building save time prove no has excuse building model due lack spare time ll admit did take about six hours finishing touches such tissue letters recovering wrinkles adding de tails etc 128 Model Aviation Parker McQuown flew Coot Indoor Hand Launch Glider /s-oz models get flights 3Osec chucked height 20 ft Parker Novato CA George Schroedters new Wakefield Wake-Up soon kittedWII first US Wake kit since Korda back 30s gives good account itself despite its simplicity
Edition: Model Aviation - 1981/09
Page Numbers: 50, 51, 52, 53, 126, 127, 128
Us Fin rLi Cli CI 11th annual gathering FFers May 23-25 1981 contest site Taft CA envy modelers over world good flying weather few obstructions almost unlimited down wind chasing retrieval high-flying birdieslfl Bob Meuser Dan Hannah youngest member Flying Hannahs holds original-design Gas model Power Supertigre 15 NESTLED southernmost corner Cali fornias San Joaquin Valley Coast Ranges Sierra Nevada meet Tehachapi Mountains dividing California its Southern Nothern parts lies Taft again site annual US Free Flight Champion ships Held annually over three-day Memorial Day weekend Champs draws some 300 competitors mostly western US few East Midwest Canada Mexico lb R B McKennas T-shirt proclaims winners Broadhurst Trophy Chuck AMA vicepresident executive director N FF5 founder FF Championships occasional New Zealand Australia becoming tradition England Paul Masterman co-editor Free Flight News What can writer say about event bound replay what happened last year year before same old guys doing same old things 50 Model Aviation Ralph Prey originated Nostalgia eventits model designs falling somewhere between Old-Timer modern stuff gains popularity yearly big Ramrod Anorner Flying Hannaha time its Bruce flies 11-year-old Classic venerable Veco 19 Gas Although seem crashes competition FF some models survive hundreds competition flights before being honorably retired Hod lersons riles ma orIglnal-oesign cipirer iii ooxn rlail-Mand AGas events using traditional Cox Tee Dee 049-to-051 engine swap Such models flying Class against models having 4 times displacement frequently give good account themselves Sal Taibis Starduster design now quarter-century docile model still competitive Kenny Keegan Jr Burbank CA built Tee Dee 049-powered Duster flew Champs IN PiOfl Mi Ah isnt quite always same old guys Some drop out die off replaced new fresh young faces some dropped out late teens come back adults wives families little shavers have grown foot since last time saw just let know time has stood still Notable among fresh new faces pair youngsters Mexico City Hugo Moran Ricardo Bernal lads participated program set up Colomarex Nordic Glider flier sent Champs result having won local contests Mexico City Mexico City has frequently sent adult glider fliers participated Peanut Scale activities dont recall seeing such young people before obviously know what theyre doing Theyve asked Bud Romak ex-World Champ Indoor flier come institute show Indoor model construciton flying techniques Also trio young people call themselves Jim Wilson memberof 1979 1981 US Nordic Gliderteam patches up straightdihedral Simple Toygliders Jim wasecstaticoverthechanceof US FFteamsdoing well atthe forthcoming World Champs Spain virtue having practiced lot together years US FF Champs Ken Bauer managed explode A-2 Towline Gliderpossibly because laid out theGrandma Meuser dark glasses helps desert two occasions once 7 monthsMarnie retrieve winning A-i Towline Glider another time 6 weeks weakened byafter first max flight Its Tadpolea Xena exposurekis design wins lot September 1981 51 R B McKenna VTOs huge Satellite 1500 macho D Gas event An 05 65 Schnuerle hauls orbit Fairchild F24 has always popular sublect Scale Art Herbans 3-footer electric-powered Astro Flight 020 Few Power Scale models use internal combustion engines nowadays mostly electric CO-2 Sill McConacflies big rubber-power Douglas 0-38 has led tough life lost QOS last yearlater found returned year wound motor slipped Bills grasp tore side Out fuselage whirlwind fashion Bill repaired got hisflightssandwiched between Wakefield flights Good enough 3rd both AMA Jumbo Scale events Return-gears Loren Williams 36-1/z-in-span BuckerJungman connect two 14-strand 17-in rubber motors end-to-end arrangement allows double motor-run time Ed Lidgard loadsthe rubbermotorinto Bugs Buzza 1942 design qualifies Old-Timer Coupe d H iver P-30 Ed friends cranked outa half-dozen atacratk MartyThompson isa formerJunior Nats Champ Model isa scaled-down PlayboySr Such models limited 36-in wingspan powered Cox Tee Dee 020 glow engines Black Sheep Squadron Burbank flew nothing canards tandems deltas Al Hieger Lynne Ruben Barnaby Wainfan Notable Lynnes Peanut Scale delta designed three-views proto type flew quite nicely easy subject kickolTevent 1981 US Free Flight Champs although official schedule Unlimited Mulvihill Event rubberpowered models flight dawn maximum flight duration label trophy puts perennial special event represents Free Flights finest hour ultimate expression some four-fifths century attempts achieve maximum flight performance model aircraft driven twisted rubberband sam time model aviations primitive form propulsion Mulvihill part 4ie name comes Mulvihill Trophy donated 1923 B H Mulvihill vice-president National Aeronautic Association awarded almost annually ever since event has awarded recent years has called Unlimited Rubber event recently name got changed Mulvihill Event Unlimited part name special event represents fact no max~ flight-time limit official AMA events Models launched within narrow time-window between 600 620am weather permitting thermal activity atmos 52 Model Aviation Lynne Buben scratch-built mis ieanut Scale Delt-Air 250 3-view drawing prototype built home town Flint Ml Deltas easy subjectshers flew superbly Bob Dodds flew Gil Shulman-designed Rambler Old-Timer C-Pylon event Power Brown Jr spark-ignition engine Old-Timer events models designed before 1943 Varipus held during 3 days FF Champs Canadas perennial Nordic Glider team mem ber Peter Allnutt gets shot Gatorade between flights Canada usually well-represented US FF Champs Hugo Moran came Champs Mexico City because won competition first group younger contestants area flies plastic-prop model increasingly-popular p-ao event info Mexicans article phere about little ever Good competitive Mulvihill models will turn scores five six minutes early-morning air four years event has flown average score has range year Bob White has managed top average 50 100 percent Bobs modelshe used new year same old rubber motorare unusual nor does harbor secrets practiced eyes peers could discover Ask Bob hell tell anything want know hell put down paper forthcoming article appear Free Flight digest National Free Flight Society Airframe weight Bobs 290-sq model 75 grams rubber motor weight 90 grams Aspect ratio perhaps bit lower average stabilizer area large around 35 40% wing area Fuselage tube rolled light 1/16-in balsa sheet Rib spacing about equal chord added diagonal ribs Whites traditional version Union Jack construction technique does give especially uniform nor accurate airfoil section likely change shape time So what Bob White secret Pure luck . likely four times row Hes Number because tries harder perhaps model designed built trimmed carefully particular event flies regular Mulvi event under thermal conditions traditional talk about Tafts weather temperature characteristically getting 950 1000F year can talk about weather different reason mildest Ron Wittmans youngest Jet gets off 4-mm flight Novice Pennyplane under pops watchful eye first model got him trophy has ever during 15 years ot Champs its precursors Maximum tempera ture seldom poked 80s Models didnt drift very far afternoon wind usually comes up Thermals never strong enough keep dethermalized model going up Dust devils apparently ex orcised third day sky overcast through out day few drops rain usual 10 am doldrums persisted day long Mylar streamers atop poles 100 yards apart indicated opposite wind directions Occa sionally would lift its plume skyward indicat ing thermal have fall dead ground few seconds later Oh thermals alright holes down ward-moving air between thermals did best keep presence secret Free Flight business curious kettle flying fish hand Old-Timer devotees fly models designed before 1941 gas events use old modern spark-ignition engines far cry Continued page 126 September 1981 53 Englands Paul Masterman co-editor Free Flight News Wakefieldwaiting sure thermal Paul flies Outdoor Rubber events Doug Galbreath Roger Simpson members US FAI Power team wait tout forbetterair likelyto occur later round 81 FF World Champs will Spain Mario Oliver discusses team tactics other members mock Italian FAI power team Teams organized compete against official US teams FF champs make final pre-World Champs practice realistically tough possible trio younger modelers Burbank CA flew weird models I-30 Two tandem-wings canard flew nicely seemed bit underpowered L RI Al Hieger Lynne Buben Barnaby Wainfan PBY-5 Catalina$40000 See Dealer Mr Gs Products & Supply 1010 Gratiot Marysville MI 48040 areas corrections helpful tips newsletter nice touch particularly beginners visiting friend out town UPS arrived package American RC new plastic side frames modifications friends Mantis Mantis available since loan South Carolina plastic parts look good probably superior plywood construction least regard building time modification available under $2000 believe Mantis needs face lift could ticket also received information Watson dustries regarding new gyro com pany has developed electronic device duplicates function old electro mechanical rate gyro Im looking forward trying soon can Ill try out new Schlueter SX8 1 Helicopter photo beginnings SX8 1 next Heliboy might lead wonder Dieter didnt name latter Lowboy center gravity higher 5X8 1 Heliboy promises better rolling character istics fuselage very scale-like fact someone familiar full-scale Helicopters might think SX8 lisa scaled-down version latest attack Helicopter time permits hope have SX8 1 completed featured next month Meanwhile since Heliboy doesnt fly itself think Ill try hand Good flying See next month Dave Chesney Rt 9 Box 621A Greensboro NC 27409 RC Pylon Racing/Hager Continued page 47 pher cut last pylon rendered Rusty ultimate winner time 1123 sponsor caller Jerry Boyce walked away $58050 eachnot bad weekend races 44 Expert contestants 22 broke 120 says something clean air Cali fornias central coast lot people made race total success starter Len Ledson Club President Tom Wiggen everyone pitched helped look forward next year Race #6 will better ever final results Expert 1 Bob Smith 2 Keith Davidson 3 Gary Hover 1146 1175 1178 4 Dave Kaylor 5 Dave Shadel 6 Tom Christopher 7 Rusty Van Baren 8 Ron Schorr 9 Mack Moffat 10 Kent Nogy Results Standard 1 George Soderberg 2 Don Dombrowski 3 Tom Strom 4 Kim Tucker 5 Jim Kelly Formula fliers should put contest calendar years Nationals will Seguin TX August 2 thru 9 Its going good have plenty room weather should great Ill looking forward seeing Bill Hager 706 Glen Haven Dr Conroe TX 77302 FF Champs/Meuser Continued page 53 modern Schnuerle-ported nitro-methane-buming 30000 rpm engines Some gas jobs run over field before taking off ever just like good old days 1935 1940 get airborne sight behold sight makes some modern modelers wonder went wrong good old days new twist As Ed Lidgard put half way through winding up modern version Bugs Buzz rubber power model Yeh good old days didnt have decent rubber decent winders winding tubes prevent models getting destroyed rubber motor broke de thermalizers help us get models back good old days now words effect Seconds later tiny ugly-cute Bugs Buzz skyborne rate climb would make FAI Power flier writhe envy middle ground bulk modelers fly usual retinue AMA events rules play such guy old model semi-antique design powered well-worn enginebut well trimmedcan beat hell out competition provided can pull off act real goofs Real innovations scarce Gradual development two guys pushing particular design concept limitis norm Luck plays major role absence bad luck rather prevalence good luck makes 126 Model Aviation SOLAR CHALLENGE WEAR SUPER COLOR T-SHIRT $1 Ooo S M L XL BLUE TAN NAVY GOLD ORDERS ADD $200 SHIPPING CALIF RES ADD 6% SALES TAX / ili, 1 f/ S / FREE PRICE LIST S PLANS PHOTOS POSTERS rnQAa-1 ST. SIMI VALLEY CA 9 Republic Seabee$18500 1186 1121 1162 1157 1214 1196 1142 1325 1322 1277 1315 1506 Grumman Widgeon $25000 D L LV THE NEW FIREBALL GLOW PLUGS ARE LEAKPROOF AND BLOWOUT PROOF EVEN FOR THE NEW MONSTER ENGINES BUT THEY ARE STILL THE OLD PRICE OF $110 WRITE NOW' SWANSON PO Box 1 Wayne NA 07470 THE GIANTS IN GIANT SCALE KIORITZ 24 Cu Ifl SUGGESTED LIST 219~ EXHAUST MANIFOLD KIT Fits Kioritz McCulloch Kawasaki$1000 VELOCITY STACK KIT Kioritz Quadra300 6 BOLT PROP HUB Kioritz Quadra1995 SPECIAL LENGTH PROP HUBS FOR KIORITZ&OTHER ENGINES. 2000 PRESSURE CHECK VALVE 1-way smoke system395 CHAMPION PLUGS resistor250 BELRAY MC-1 OIL 12 oz295 rlLtJ INTRODUCING KIORITZ SUPER ENGINES29 5 DISPLACEMENT RANGESImount water cooled head18 365 56 cu HP Range 6 9 pua I E. Direct Sales Only DIRECT SALES ONLY CALL OR WRITE FOR TERMS C KIORITZ 1 ROUSH MFG Box 251 YVILLE OHIO 44671 Phone 216 866-9462 484-4374 winners Bob Vinson middle-grounders flying engine-power events exclusively started off Carl Goldberg Sailplane some 40 years ago modified bit time its dozens successors built todays version elliptical wing has given way doubletaper approximation rudder got pushed astern stabilizer fat oval fuselage Sailplane gave way skinny balsa box decades ago won big-engine D-gas event other extreme FAI-event fliers eyes international competition particularly World Championships Stay away people value lives sanity talk bite vampire will become universe near-equals one-percent advantage becomes technological breakthrough century mind fact Airfoils piston fitting rubber selection tow-hook rake angle thermal detection materials construction team strategy competition tactics circletow-zoom-launch techniques technology mind boggles meet served final practice session teams will represent USA World Championships held Spain later year 10 members teams present functioned teams rather merely individuals addition ad hoc teams formed challenge US teamswhat greater glory beat champions put pressure Some teams labeled themselves Italian team Russian team went around acting surly talking broken English awhile butwhen mattered attitude business real Canadian team Nordic Glider event Off side main sequence Scale modelers models range size 1 3-in-span rubber power Peanut Scale models 3-ft Jumbo Scale models also rubberpowered Glow-engine diesel-engine powered models seen frequently decade ago development suitable electric CO-2 systems has put end greasy kid stuff almost models judged workmanship fidelity scale additionally engine-powered models judged flight quality rubberpowered models duration flight Judging Scale models flight duration seems ludicrous writer thats way game played Bill McConachie tough time flying big rubber power Douglas 0-38 biplane both AMA Scale Jumbo Scale sandwich ing Scale model flights between Wakefield flights Time didnt permit such niceties switching rubber motors between flights flight least three broken strands thrashing around preparing another flight wound motor slipped away tried switch winder prop motor tore away longeron lots RIC Free-Flight Assist Friendly Giant SUPER BUCCANEER Plan Set 88 WIngspan 5 Englrwi Wgt7 lbs wlo radio 2-5 chan RIG $1795 Original design dates 1937 F/F era #RCFF1 Prices Complete Plans Sub Assembly Detailed Parts Lists Add $200 Mailing Tube Send Brochure Details new designs & great things come Send $100 refundable information LEISURE takes AIR DOUBLES yourflight time SEND SASE FOR COMPLETE INFORMATION Now 8-10 mm ot eiectric power per flight LEISURE ELECTRONICS@ 11 Deerspring Irvine CA927140 714552-4540 Complete flight system $7500 September1981 127 Bob tite launches rubber-power moaei dawn 4th running 1 flight Unlim Ited Mulvihill event flew 13 mm well ahead competition 4th consecu tive win annual event KIORITZ tNIiINES BY GIBBS HOBBY & RESEA Original Developer Factory Trained Authorized Master Service Dealer Year Limited Warranty Pre- Drilled Props Avail Ask About Custom- Built KIORITZ Engines Deep Fins Optimum Cooling 21/4 Flywheel Small Magneto 1 5/8in Six Bolt Aluminum Hub Carb Needles &Throttle Accessible Engine Running Don Godfrey [2z22276J Points Sealed Rear Housing $19995 pay ship pre-paid orders Mufflers Now Availablel DEALERS WELCOME 5FECIFICATION5 242co 357ccWoIbro Pnorp CobRoll Reorngs Crenk 32HP ot 8000 too3 Rog PstoeCoged Rollers Rod ond Fstoo Rn ght 6 lb GIBBS HOBBY & RESEARCH 6195 HIlifleld St NW N CANTON OHIO 44720 Phone 216 499-8854 after 600 PM covering lodged itself midway along fuselage Somehow Bill fished out too much additional damage model repaired model made required number flights result two trophies satisfac tion finishing ajob set out despite difficulties Off other side main sequence Indoor fliers Both Novice Pennyplane Easy B flown Champs too-small gym lights about 20 feet above floor choice events turns out good although happened somewhat accidentally Easy B lack covering bracing restric tions minimum-weight rule gives real Indoor fliers something play flying larger AMA FAI-class Indoor models such place would ludicrous Novice Pennyplane its severe restrictions gives novice good shot necessary skills can relatively quickly developed Still same guysMather Banks Hoffmanwin top spots both events nearly year isnt say fragile pillars glory couldnt toppled someone willing devote litte effort such endeavor Forming another offshoot main se quence Hand Launched Glider fliers come two colors Indoor Outdoor Strangely skills goals two diametrically opposed same guys fly both classes Indoor event name game chuck 16-in 4-gram solid-balsa model up rafter 20 feet overhead program flip steady glide losing lot altitude pray someone doesnt sneeze takes bit luck no little skill experience get such light model survive launch gliding speed such models unbelievably slow glide angle rather steep pair over-30-second flights required win Mike Stoy Chicago area frequent Nats Hand Launch Glider winner dropped long enough win Indoor Glider event did friend Bob Hayes Jr two years ago guest Cloud Dusters barbeque thrown Bud Romak way Yosemite plans go top Half Dome hard way up face Outdoor Hand Launch Glider event game chuck 1 -oz solid-balsa glider up height 100 ft thermal Strong thermals easy find such low heights tend small diameter Cattail fluff thrown air popular way detecting localizing thermal surprisingly Jim Leuken won event Hes lad won event 1977 Nats newcomer flying Senior age class hes wins since As trophies tucked away unoccu pied corner car trunk motorcycle lashed down bumper rack wonders what will like next year bound hotter Will able avoid errors bad luck years meet will largely same old guys doing same old thing expectation will some fresh young faces too Thats what keeps crazy Free Flight business going FF Scale/Warner Continued page 55 Eindecker second year running Clar ence Mather great new Tipsy Junior Scott Rubke whole load airbrushed fine-flying WW II vintage ships sporting decal decorations larger plastic kits really dresses up crowd favorite Lynne Bubens Dean Delt-Air 250 homebuilt flew better real destroyed itself its builder its first test flight Lynnes ship fourth model made rock-steady left-hand circles times bit under half minutebut spectacular enough draw applause crowd could believe Barnaby Wainfans Dreadnought Postal monoplane its huge wing area also flew fine form Its what makes FF Scale fun seeing unusual rare finely-crafted models flying well FF Gas now aptly designated FF Power went electrics wiht Paulhan Tatin taking first Ferrell Papics Bleriot VII right behind Both powered Astro 02 units Ferrell uses Sanyo -length Nicad cells standard GE cells supplied Astro-Flight minutes charge gives about 30-second flight 20 seconds minunum judging realism-of-flight Ferrell uses about six minutes always seems stay up forever Two amps seems best rate charge four-cell pack Peanut outdoor would have won Clarence Mather Tom Comparet Jr except fact planes flew too well Clarences Davis V-tailed ultra-light model made OOS early game Toms Peck Lacey sailed off same thermal Lacey dropped out judging after flying its lucky amateur thats bacon first place Lacey teh Peck kit lost timers eye 2/2 minutes falling out thermal about four minutes total might interested note model built flown Indoor contest e hours six minutes box flight used Super Jet building save time prove no has excuse building model due lack spare time ll admit did take about six hours finishing touches such tissue letters recovering wrinkles adding de tails etc 128 Model Aviation Parker McQuown flew Coot Indoor Hand Launch Glider /s-oz models get flights 3Osec chucked height 20 ft Parker Novato CA George Schroedters new Wakefield Wake-Up soon kittedWII first US Wake kit since Korda back 30s gives good account itself despite its simplicity
Edition: Model Aviation - 1981/09
Page Numbers: 50, 51, 52, 53, 126, 127, 128
Us Fin rLi Cli CI 11th annual gathering FFers May 23-25 1981 contest site Taft CA envy modelers over world good flying weather few obstructions almost unlimited down wind chasing retrieval high-flying birdieslfl Bob Meuser Dan Hannah youngest member Flying Hannahs holds original-design Gas model Power Supertigre 15 NESTLED southernmost corner Cali fornias San Joaquin Valley Coast Ranges Sierra Nevada meet Tehachapi Mountains dividing California its Southern Nothern parts lies Taft again site annual US Free Flight Champion ships Held annually over three-day Memorial Day weekend Champs draws some 300 competitors mostly western US few East Midwest Canada Mexico lb R B McKennas T-shirt proclaims winners Broadhurst Trophy Chuck AMA vicepresident executive director N FF5 founder FF Championships occasional New Zealand Australia becoming tradition England Paul Masterman co-editor Free Flight News What can writer say about event bound replay what happened last year year before same old guys doing same old things 50 Model Aviation Ralph Prey originated Nostalgia eventits model designs falling somewhere between Old-Timer modern stuff gains popularity yearly big Ramrod Anorner Flying Hannaha time its Bruce flies 11-year-old Classic venerable Veco 19 Gas Although seem crashes competition FF some models survive hundreds competition flights before being honorably retired Hod lersons riles ma orIglnal-oesign cipirer iii ooxn rlail-Mand AGas events using traditional Cox Tee Dee 049-to-051 engine swap Such models flying Class against models having 4 times displacement frequently give good account themselves Sal Taibis Starduster design now quarter-century docile model still competitive Kenny Keegan Jr Burbank CA built Tee Dee 049-powered Duster flew Champs IN PiOfl Mi Ah isnt quite always same old guys Some drop out die off replaced new fresh young faces some dropped out late teens come back adults wives families little shavers have grown foot since last time saw just let know time has stood still Notable among fresh new faces pair youngsters Mexico City Hugo Moran Ricardo Bernal lads participated program set up Colomarex Nordic Glider flier sent Champs result having won local contests Mexico City Mexico City has frequently sent adult glider fliers participated Peanut Scale activities dont recall seeing such young people before obviously know what theyre doing Theyve asked Bud Romak ex-World Champ Indoor flier come institute show Indoor model construciton flying techniques Also trio young people call themselves Jim Wilson memberof 1979 1981 US Nordic Gliderteam patches up straightdihedral Simple Toygliders Jim wasecstaticoverthechanceof US FFteamsdoing well atthe forthcoming World Champs Spain virtue having practiced lot together years US FF Champs Ken Bauer managed explode A-2 Towline Gliderpossibly because laid out theGrandma Meuser dark glasses helps desert two occasions once 7 monthsMarnie retrieve winning A-i Towline Glider another time 6 weeks weakened byafter first max flight Its Tadpolea Xena exposurekis design wins lot September 1981 51 R B McKenna VTOs huge Satellite 1500 macho D Gas event An 05 65 Schnuerle hauls orbit Fairchild F24 has always popular sublect Scale Art Herbans 3-footer electric-powered Astro Flight 020 Few Power Scale models use internal combustion engines nowadays mostly electric CO-2 Sill McConacflies big rubber-power Douglas 0-38 has led tough life lost QOS last yearlater found returned year wound motor slipped Bills grasp tore side Out fuselage whirlwind fashion Bill repaired got hisflightssandwiched between Wakefield flights Good enough 3rd both AMA Jumbo Scale events Return-gears Loren Williams 36-1/z-in-span BuckerJungman connect two 14-strand 17-in rubber motors end-to-end arrangement allows double motor-run time Ed Lidgard loadsthe rubbermotorinto Bugs Buzza 1942 design qualifies Old-Timer Coupe d H iver P-30 Ed friends cranked outa half-dozen atacratk MartyThompson isa formerJunior Nats Champ Model isa scaled-down PlayboySr Such models limited 36-in wingspan powered Cox Tee Dee 020 glow engines Black Sheep Squadron Burbank flew nothing canards tandems deltas Al Hieger Lynne Ruben Barnaby Wainfan Notable Lynnes Peanut Scale delta designed three-views proto type flew quite nicely easy subject kickolTevent 1981 US Free Flight Champs although official schedule Unlimited Mulvihill Event rubberpowered models flight dawn maximum flight duration label trophy puts perennial special event represents Free Flights finest hour ultimate expression some four-fifths century attempts achieve maximum flight performance model aircraft driven twisted rubberband sam time model aviations primitive form propulsion Mulvihill part 4ie name comes Mulvihill Trophy donated 1923 B H Mulvihill vice-president National Aeronautic Association awarded almost annually ever since event has awarded recent years has called Unlimited Rubber event recently name got changed Mulvihill Event Unlimited part name special event represents fact no max~ flight-time limit official AMA events Models launched within narrow time-window between 600 620am weather permitting thermal activity atmos 52 Model Aviation Lynne Buben scratch-built mis ieanut Scale Delt-Air 250 3-view drawing prototype built home town Flint Ml Deltas easy subjectshers flew superbly Bob Dodds flew Gil Shulman-designed Rambler Old-Timer C-Pylon event Power Brown Jr spark-ignition engine Old-Timer events models designed before 1943 Varipus held during 3 days FF Champs Canadas perennial Nordic Glider team mem ber Peter Allnutt gets shot Gatorade between flights Canada usually well-represented US FF Champs Hugo Moran came Champs Mexico City because won competition first group younger contestants area flies plastic-prop model increasingly-popular p-ao event info Mexicans article phere about little ever Good competitive Mulvihill models will turn scores five six minutes early-morning air four years event has flown average score has range year Bob White has managed top average 50 100 percent Bobs modelshe used new year same old rubber motorare unusual nor does harbor secrets practiced eyes peers could discover Ask Bob hell tell anything want know hell put down paper forthcoming article appear Free Flight digest National Free Flight Society Airframe weight Bobs 290-sq model 75 grams rubber motor weight 90 grams Aspect ratio perhaps bit lower average stabilizer area large around 35 40% wing area Fuselage tube rolled light 1/16-in balsa sheet Rib spacing about equal chord added diagonal ribs Whites traditional version Union Jack construction technique does give especially uniform nor accurate airfoil section likely change shape time So what Bob White secret Pure luck . likely four times row Hes Number because tries harder perhaps model designed built trimmed carefully particular event flies regular Mulvi event under thermal conditions traditional talk about Tafts weather temperature characteristically getting 950 1000F year can talk about weather different reason mildest Ron Wittmans youngest Jet gets off 4-mm flight Novice Pennyplane under pops watchful eye first model got him trophy has ever during 15 years ot Champs its precursors Maximum tempera ture seldom poked 80s Models didnt drift very far afternoon wind usually comes up Thermals never strong enough keep dethermalized model going up Dust devils apparently ex orcised third day sky overcast through out day few drops rain usual 10 am doldrums persisted day long Mylar streamers atop poles 100 yards apart indicated opposite wind directions Occa sionally would lift its plume skyward indicat ing thermal have fall dead ground few seconds later Oh thermals alright holes down ward-moving air between thermals did best keep presence secret Free Flight business curious kettle flying fish hand Old-Timer devotees fly models designed before 1941 gas events use old modern spark-ignition engines far cry Continued page 126 September 1981 53 Englands Paul Masterman co-editor Free Flight News Wakefieldwaiting sure thermal Paul flies Outdoor Rubber events Doug Galbreath Roger Simpson members US FAI Power team wait tout forbetterair likelyto occur later round 81 FF World Champs will Spain Mario Oliver discusses team tactics other members mock Italian FAI power team Teams organized compete against official US teams FF champs make final pre-World Champs practice realistically tough possible trio younger modelers Burbank CA flew weird models I-30 Two tandem-wings canard flew nicely seemed bit underpowered L RI Al Hieger Lynne Buben Barnaby Wainfan PBY-5 Catalina$40000 See Dealer Mr Gs Products & Supply 1010 Gratiot Marysville MI 48040 areas corrections helpful tips newsletter nice touch particularly beginners visiting friend out town UPS arrived package American RC new plastic side frames modifications friends Mantis Mantis available since loan South Carolina plastic parts look good probably superior plywood construction least regard building time modification available under $2000 believe Mantis needs face lift could ticket also received information Watson dustries regarding new gyro com pany has developed electronic device duplicates function old electro mechanical rate gyro Im looking forward trying soon can Ill try out new Schlueter SX8 1 Helicopter photo beginnings SX8 1 next Heliboy might lead wonder Dieter didnt name latter Lowboy center gravity higher 5X8 1 Heliboy promises better rolling character istics fuselage very scale-like fact someone familiar full-scale Helicopters might think SX8 lisa scaled-down version latest attack Helicopter time permits hope have SX8 1 completed featured next month Meanwhile since Heliboy doesnt fly itself think Ill try hand Good flying See next month Dave Chesney Rt 9 Box 621A Greensboro NC 27409 RC Pylon Racing/Hager Continued page 47 pher cut last pylon rendered Rusty ultimate winner time 1123 sponsor caller Jerry Boyce walked away $58050 eachnot bad weekend races 44 Expert contestants 22 broke 120 says something clean air Cali fornias central coast lot people made race total success starter Len Ledson Club President Tom Wiggen everyone pitched helped look forward next year Race #6 will better ever final results Expert 1 Bob Smith 2 Keith Davidson 3 Gary Hover 1146 1175 1178 4 Dave Kaylor 5 Dave Shadel 6 Tom Christopher 7 Rusty Van Baren 8 Ron Schorr 9 Mack Moffat 10 Kent Nogy Results Standard 1 George Soderberg 2 Don Dombrowski 3 Tom Strom 4 Kim Tucker 5 Jim Kelly Formula fliers should put contest calendar years Nationals will Seguin TX August 2 thru 9 Its going good have plenty room weather should great Ill looking forward seeing Bill Hager 706 Glen Haven Dr Conroe TX 77302 FF Champs/Meuser Continued page 53 modern Schnuerle-ported nitro-methane-buming 30000 rpm engines Some gas jobs run over field before taking off ever just like good old days 1935 1940 get airborne sight behold sight makes some modern modelers wonder went wrong good old days new twist As Ed Lidgard put half way through winding up modern version Bugs Buzz rubber power model Yeh good old days didnt have decent rubber decent winders winding tubes prevent models getting destroyed rubber motor broke de thermalizers help us get models back good old days now words effect Seconds later tiny ugly-cute Bugs Buzz skyborne rate climb would make FAI Power flier writhe envy middle ground bulk modelers fly usual retinue AMA events rules play such guy old model semi-antique design powered well-worn enginebut well trimmedcan beat hell out competition provided can pull off act real goofs Real innovations scarce Gradual development two guys pushing particular design concept limitis norm Luck plays major role absence bad luck rather prevalence good luck makes 126 Model Aviation SOLAR CHALLENGE WEAR SUPER COLOR T-SHIRT $1 Ooo S M L XL BLUE TAN NAVY GOLD ORDERS ADD $200 SHIPPING CALIF RES ADD 6% SALES TAX / ili, 1 f/ S / FREE PRICE LIST S PLANS PHOTOS POSTERS rnQAa-1 ST. SIMI VALLEY CA 9 Republic Seabee$18500 1186 1121 1162 1157 1214 1196 1142 1325 1322 1277 1315 1506 Grumman Widgeon $25000 D L LV THE NEW FIREBALL GLOW PLUGS ARE LEAKPROOF AND BLOWOUT PROOF EVEN FOR THE NEW MONSTER ENGINES BUT THEY ARE STILL THE OLD PRICE OF $110 WRITE NOW' SWANSON PO Box 1 Wayne NA 07470 THE GIANTS IN GIANT SCALE KIORITZ 24 Cu Ifl SUGGESTED LIST 219~ EXHAUST MANIFOLD KIT Fits Kioritz McCulloch Kawasaki$1000 VELOCITY STACK KIT Kioritz Quadra300 6 BOLT PROP HUB Kioritz Quadra1995 SPECIAL LENGTH PROP HUBS FOR KIORITZ&OTHER ENGINES. 2000 PRESSURE CHECK VALVE 1-way smoke system395 CHAMPION PLUGS resistor250 BELRAY MC-1 OIL 12 oz295 rlLtJ INTRODUCING KIORITZ SUPER ENGINES29 5 DISPLACEMENT RANGESImount water cooled head18 365 56 cu HP Range 6 9 pua I E. Direct Sales Only DIRECT SALES ONLY CALL OR WRITE FOR TERMS C KIORITZ 1 ROUSH MFG Box 251 YVILLE OHIO 44671 Phone 216 866-9462 484-4374 winners Bob Vinson middle-grounders flying engine-power events exclusively started off Carl Goldberg Sailplane some 40 years ago modified bit time its dozens successors built todays version elliptical wing has given way doubletaper approximation rudder got pushed astern stabilizer fat oval fuselage Sailplane gave way skinny balsa box decades ago won big-engine D-gas event other extreme FAI-event fliers eyes international competition particularly World Championships Stay away people value lives sanity talk bite vampire will become universe near-equals one-percent advantage becomes technological breakthrough century mind fact Airfoils piston fitting rubber selection tow-hook rake angle thermal detection materials construction team strategy competition tactics circletow-zoom-launch techniques technology mind boggles meet served final practice session teams will represent USA World Championships held Spain later year 10 members teams present functioned teams rather merely individuals addition ad hoc teams formed challenge US teamswhat greater glory beat champions put pressure Some teams labeled themselves Italian team Russian team went around acting surly talking broken English awhile butwhen mattered attitude business real Canadian team Nordic Glider event Off side main sequence Scale modelers models range size 1 3-in-span rubber power Peanut Scale models 3-ft Jumbo Scale models also rubberpowered Glow-engine diesel-engine powered models seen frequently decade ago development suitable electric CO-2 systems has put end greasy kid stuff almost models judged workmanship fidelity scale additionally engine-powered models judged flight quality rubberpowered models duration flight Judging Scale models flight duration seems ludicrous writer thats way game played Bill McConachie tough time flying big rubber power Douglas 0-38 biplane both AMA Scale Jumbo Scale sandwich ing Scale model flights between Wakefield flights Time didnt permit such niceties switching rubber motors between flights flight least three broken strands thrashing around preparing another flight wound motor slipped away tried switch winder prop motor tore away longeron lots RIC Free-Flight Assist Friendly Giant SUPER BUCCANEER Plan Set 88 WIngspan 5 Englrwi Wgt7 lbs wlo radio 2-5 chan RIG $1795 Original design dates 1937 F/F era #RCFF1 Prices Complete Plans Sub Assembly Detailed Parts Lists Add $200 Mailing Tube Send Brochure Details new designs & great things come Send $100 refundable information LEISURE takes AIR DOUBLES yourflight time SEND SASE FOR COMPLETE INFORMATION Now 8-10 mm ot eiectric power per flight LEISURE ELECTRONICS@ 11 Deerspring Irvine CA927140 714552-4540 Complete flight system $7500 September1981 127 Bob tite launches rubber-power moaei dawn 4th running 1 flight Unlim Ited Mulvihill event flew 13 mm well ahead competition 4th consecu tive win annual event KIORITZ tNIiINES BY GIBBS HOBBY & RESEA Original Developer Factory Trained Authorized Master Service Dealer Year Limited Warranty Pre- Drilled Props Avail Ask About Custom- Built KIORITZ Engines Deep Fins Optimum Cooling 21/4 Flywheel Small Magneto 1 5/8in Six Bolt Aluminum Hub Carb Needles &Throttle Accessible Engine Running Don Godfrey [2z22276J Points Sealed Rear Housing $19995 pay ship pre-paid orders Mufflers Now Availablel DEALERS WELCOME 5FECIFICATION5 242co 357ccWoIbro Pnorp CobRoll Reorngs Crenk 32HP ot 8000 too3 Rog PstoeCoged Rollers Rod ond Fstoo Rn ght 6 lb GIBBS HOBBY & RESEARCH 6195 HIlifleld St NW N CANTON OHIO 44720 Phone 216 499-8854 after 600 PM covering lodged itself midway along fuselage Somehow Bill fished out too much additional damage model repaired model made required number flights result two trophies satisfac tion finishing ajob set out despite difficulties Off other side main sequence Indoor fliers Both Novice Pennyplane Easy B flown Champs too-small gym lights about 20 feet above floor choice events turns out good although happened somewhat accidentally Easy B lack covering bracing restric tions minimum-weight rule gives real Indoor fliers something play flying larger AMA FAI-class Indoor models such place would ludicrous Novice Pennyplane its severe restrictions gives novice good shot necessary skills can relatively quickly developed Still same guysMather Banks Hoffmanwin top spots both events nearly year isnt say fragile pillars glory couldnt toppled someone willing devote litte effort such endeavor Forming another offshoot main se quence Hand Launched Glider fliers come two colors Indoor Outdoor Strangely skills goals two diametrically opposed same guys fly both classes Indoor event name game chuck 16-in 4-gram solid-balsa model up rafter 20 feet overhead program flip steady glide losing lot altitude pray someone doesnt sneeze takes bit luck no little skill experience get such light model survive launch gliding speed such models unbelievably slow glide angle rather steep pair over-30-second flights required win Mike Stoy Chicago area frequent Nats Hand Launch Glider winner dropped long enough win Indoor Glider event did friend Bob Hayes Jr two years ago guest Cloud Dusters barbeque thrown Bud Romak way Yosemite plans go top Half Dome hard way up face Outdoor Hand Launch Glider event game chuck 1 -oz solid-balsa glider up height 100 ft thermal Strong thermals easy find such low heights tend small diameter Cattail fluff thrown air popular way detecting localizing thermal surprisingly Jim Leuken won event Hes lad won event 1977 Nats newcomer flying Senior age class hes wins since As trophies tucked away unoccu pied corner car trunk motorcycle lashed down bumper rack wonders what will like next year bound hotter Will able avoid errors bad luck years meet will largely same old guys doing same old thing expectation will some fresh young faces too Thats what keeps crazy Free Flight business going FF Scale/Warner Continued page 55 Eindecker second year running Clar ence Mather great new Tipsy Junior Scott Rubke whole load airbrushed fine-flying WW II vintage ships sporting decal decorations larger plastic kits really dresses up crowd favorite Lynne Bubens Dean Delt-Air 250 homebuilt flew better real destroyed itself its builder its first test flight Lynnes ship fourth model made rock-steady left-hand circles times bit under half minutebut spectacular enough draw applause crowd could believe Barnaby Wainfans Dreadnought Postal monoplane its huge wing area also flew fine form Its what makes FF Scale fun seeing unusual rare finely-crafted models flying well FF Gas now aptly designated FF Power went electrics wiht Paulhan Tatin taking first Ferrell Papics Bleriot VII right behind Both powered Astro 02 units Ferrell uses Sanyo -length Nicad cells standard GE cells supplied Astro-Flight minutes charge gives about 30-second flight 20 seconds minunum judging realism-of-flight Ferrell uses about six minutes always seems stay up forever Two amps seems best rate charge four-cell pack Peanut outdoor would have won Clarence Mather Tom Comparet Jr except fact planes flew too well Clarences Davis V-tailed ultra-light model made OOS early game Toms Peck Lacey sailed off same thermal Lacey dropped out judging after flying its lucky amateur thats bacon first place Lacey teh Peck kit lost timers eye 2/2 minutes falling out thermal about four minutes total might interested note model built flown Indoor contest e hours six minutes box flight used Super Jet building save time prove no has excuse building model due lack spare time ll admit did take about six hours finishing touches such tissue letters recovering wrinkles adding de tails etc 128 Model Aviation Parker McQuown flew Coot Indoor Hand Launch Glider /s-oz models get flights 3Osec chucked height 20 ft Parker Novato CA George Schroedters new Wakefield Wake-Up soon kittedWII first US Wake kit since Korda back 30s gives good account itself despite its simplicity
Edition: Model Aviation - 1981/09
Page Numbers: 50, 51, 52, 53, 126, 127, 128
Us Fin rLi Cli CI 11th annual gathering FFers May 23-25 1981 contest site Taft CA envy modelers over world good flying weather few obstructions almost unlimited down wind chasing retrieval high-flying birdieslfl Bob Meuser Dan Hannah youngest member Flying Hannahs holds original-design Gas model Power Supertigre 15 NESTLED southernmost corner Cali fornias San Joaquin Valley Coast Ranges Sierra Nevada meet Tehachapi Mountains dividing California its Southern Nothern parts lies Taft again site annual US Free Flight Champion ships Held annually over three-day Memorial Day weekend Champs draws some 300 competitors mostly western US few East Midwest Canada Mexico lb R B McKennas T-shirt proclaims winners Broadhurst Trophy Chuck AMA vicepresident executive director N FF5 founder FF Championships occasional New Zealand Australia becoming tradition England Paul Masterman co-editor Free Flight News What can writer say about event bound replay what happened last year year before same old guys doing same old things 50 Model Aviation Ralph Prey originated Nostalgia eventits model designs falling somewhere between Old-Timer modern stuff gains popularity yearly big Ramrod Anorner Flying Hannaha time its Bruce flies 11-year-old Classic venerable Veco 19 Gas Although seem crashes competition FF some models survive hundreds competition flights before being honorably retired Hod lersons riles ma orIglnal-oesign cipirer iii ooxn rlail-Mand AGas events using traditional Cox Tee Dee 049-to-051 engine swap Such models flying Class against models having 4 times displacement frequently give good account themselves Sal Taibis Starduster design now quarter-century docile model still competitive Kenny Keegan Jr Burbank CA built Tee Dee 049-powered Duster flew Champs IN PiOfl Mi Ah isnt quite always same old guys Some drop out die off replaced new fresh young faces some dropped out late teens come back adults wives families little shavers have grown foot since last time saw just let know time has stood still Notable among fresh new faces pair youngsters Mexico City Hugo Moran Ricardo Bernal lads participated program set up Colomarex Nordic Glider flier sent Champs result having won local contests Mexico City Mexico City has frequently sent adult glider fliers participated Peanut Scale activities dont recall seeing such young people before obviously know what theyre doing Theyve asked Bud Romak ex-World Champ Indoor flier come institute show Indoor model construciton flying techniques Also trio young people call themselves Jim Wilson memberof 1979 1981 US Nordic Gliderteam patches up straightdihedral Simple Toygliders Jim wasecstaticoverthechanceof US FFteamsdoing well atthe forthcoming World Champs Spain virtue having practiced lot together years US FF Champs Ken Bauer managed explode A-2 Towline Gliderpossibly because laid out theGrandma Meuser dark glasses helps desert two occasions once 7 monthsMarnie retrieve winning A-i Towline Glider another time 6 weeks weakened byafter first max flight Its Tadpolea Xena exposurekis design wins lot September 1981 51 R B McKenna VTOs huge Satellite 1500 macho D Gas event An 05 65 Schnuerle hauls orbit Fairchild F24 has always popular sublect Scale Art Herbans 3-footer electric-powered Astro Flight 020 Few Power Scale models use internal combustion engines nowadays mostly electric CO-2 Sill McConacflies big rubber-power Douglas 0-38 has led tough life lost QOS last yearlater found returned year wound motor slipped Bills grasp tore side Out fuselage whirlwind fashion Bill repaired got hisflightssandwiched between Wakefield flights Good enough 3rd both AMA Jumbo Scale events Return-gears Loren Williams 36-1/z-in-span BuckerJungman connect two 14-strand 17-in rubber motors end-to-end arrangement allows double motor-run time Ed Lidgard loadsthe rubbermotorinto Bugs Buzza 1942 design qualifies Old-Timer Coupe d H iver P-30 Ed friends cranked outa half-dozen atacratk MartyThompson isa formerJunior Nats Champ Model isa scaled-down PlayboySr Such models limited 36-in wingspan powered Cox Tee Dee 020 glow engines Black Sheep Squadron Burbank flew nothing canards tandems deltas Al Hieger Lynne Ruben Barnaby Wainfan Notable Lynnes Peanut Scale delta designed three-views proto type flew quite nicely easy subject kickolTevent 1981 US Free Flight Champs although official schedule Unlimited Mulvihill Event rubberpowered models flight dawn maximum flight duration label trophy puts perennial special event represents Free Flights finest hour ultimate expression some four-fifths century attempts achieve maximum flight performance model aircraft driven twisted rubberband sam time model aviations primitive form propulsion Mulvihill part 4ie name comes Mulvihill Trophy donated 1923 B H Mulvihill vice-president National Aeronautic Association awarded almost annually ever since event has awarded recent years has called Unlimited Rubber event recently name got changed Mulvihill Event Unlimited part name special event represents fact no max~ flight-time limit official AMA events Models launched within narrow time-window between 600 620am weather permitting thermal activity atmos 52 Model Aviation Lynne Buben scratch-built mis ieanut Scale Delt-Air 250 3-view drawing prototype built home town Flint Ml Deltas easy subjectshers flew superbly Bob Dodds flew Gil Shulman-designed Rambler Old-Timer C-Pylon event Power Brown Jr spark-ignition engine Old-Timer events models designed before 1943 Varipus held during 3 days FF Champs Canadas perennial Nordic Glider team mem ber Peter Allnutt gets shot Gatorade between flights Canada usually well-represented US FF Champs Hugo Moran came Champs Mexico City because won competition first group younger contestants area flies plastic-prop model increasingly-popular p-ao event info Mexicans article phere about little ever Good competitive Mulvihill models will turn scores five six minutes early-morning air four years event has flown average score has range year Bob White has managed top average 50 100 percent Bobs modelshe used new year same old rubber motorare unusual nor does harbor secrets practiced eyes peers could discover Ask Bob hell tell anything want know hell put down paper forthcoming article appear Free Flight digest National Free Flight Society Airframe weight Bobs 290-sq model 75 grams rubber motor weight 90 grams Aspect ratio perhaps bit lower average stabilizer area large around 35 40% wing area Fuselage tube rolled light 1/16-in balsa sheet Rib spacing about equal chord added diagonal ribs Whites traditional version Union Jack construction technique does give especially uniform nor accurate airfoil section likely change shape time So what Bob White secret Pure luck . likely four times row Hes Number because tries harder perhaps model designed built trimmed carefully particular event flies regular Mulvi event under thermal conditions traditional talk about Tafts weather temperature characteristically getting 950 1000F year can talk about weather different reason mildest Ron Wittmans youngest Jet gets off 4-mm flight Novice Pennyplane under pops watchful eye first model got him trophy has ever during 15 years ot Champs its precursors Maximum tempera ture seldom poked 80s Models didnt drift very far afternoon wind usually comes up Thermals never strong enough keep dethermalized model going up Dust devils apparently ex orcised third day sky overcast through out day few drops rain usual 10 am doldrums persisted day long Mylar streamers atop poles 100 yards apart indicated opposite wind directions Occa sionally would lift its plume skyward indicat ing thermal have fall dead ground few seconds later Oh thermals alright holes down ward-moving air between thermals did best keep presence secret Free Flight business curious kettle flying fish hand Old-Timer devotees fly models designed before 1941 gas events use old modern spark-ignition engines far cry Continued page 126 September 1981 53 Englands Paul Masterman co-editor Free Flight News Wakefieldwaiting sure thermal Paul flies Outdoor Rubber events Doug Galbreath Roger Simpson members US FAI Power team wait tout forbetterair likelyto occur later round 81 FF World Champs will Spain Mario Oliver discusses team tactics other members mock Italian FAI power team Teams organized compete against official US teams FF champs make final pre-World Champs practice realistically tough possible trio younger modelers Burbank CA flew weird models I-30 Two tandem-wings canard flew nicely seemed bit underpowered L RI Al Hieger Lynne Buben Barnaby Wainfan PBY-5 Catalina$40000 See Dealer Mr Gs Products & Supply 1010 Gratiot Marysville MI 48040 areas corrections helpful tips newsletter nice touch particularly beginners visiting friend out town UPS arrived package American RC new plastic side frames modifications friends Mantis Mantis available since loan South Carolina plastic parts look good probably superior plywood construction least regard building time modification available under $2000 believe Mantis needs face lift could ticket also received information Watson dustries regarding new gyro com pany has developed electronic device duplicates function old electro mechanical rate gyro Im looking forward trying soon can Ill try out new Schlueter SX8 1 Helicopter photo beginnings SX8 1 next Heliboy might lead wonder Dieter didnt name latter Lowboy center gravity higher 5X8 1 Heliboy promises better rolling character istics fuselage very scale-like fact someone familiar full-scale Helicopters might think SX8 lisa scaled-down version latest attack Helicopter time permits hope have SX8 1 completed featured next month Meanwhile since Heliboy doesnt fly itself think Ill try hand Good flying See next month Dave Chesney Rt 9 Box 621A Greensboro NC 27409 RC Pylon Racing/Hager Continued page 47 pher cut last pylon rendered Rusty ultimate winner time 1123 sponsor caller Jerry Boyce walked away $58050 eachnot bad weekend races 44 Expert contestants 22 broke 120 says something clean air Cali fornias central coast lot people made race total success starter Len Ledson Club President Tom Wiggen everyone pitched helped look forward next year Race #6 will better ever final results Expert 1 Bob Smith 2 Keith Davidson 3 Gary Hover 1146 1175 1178 4 Dave Kaylor 5 Dave Shadel 6 Tom Christopher 7 Rusty Van Baren 8 Ron Schorr 9 Mack Moffat 10 Kent Nogy Results Standard 1 George Soderberg 2 Don Dombrowski 3 Tom Strom 4 Kim Tucker 5 Jim Kelly Formula fliers should put contest calendar years Nationals will Seguin TX August 2 thru 9 Its going good have plenty room weather should great Ill looking forward seeing Bill Hager 706 Glen Haven Dr Conroe TX 77302 FF Champs/Meuser Continued page 53 modern Schnuerle-ported nitro-methane-buming 30000 rpm engines Some gas jobs run over field before taking off ever just like good old days 1935 1940 get airborne sight behold sight makes some modern modelers wonder went wrong good old days new twist As Ed Lidgard put half way through winding up modern version Bugs Buzz rubber power model Yeh good old days didnt have decent rubber decent winders winding tubes prevent models getting destroyed rubber motor broke de thermalizers help us get models back good old days now words effect Seconds later tiny ugly-cute Bugs Buzz skyborne rate climb would make FAI Power flier writhe envy middle ground bulk modelers fly usual retinue AMA events rules play such guy old model semi-antique design powered well-worn enginebut well trimmedcan beat hell out competition provided can pull off act real goofs Real innovations scarce Gradual development two guys pushing particular design concept limitis norm Luck plays major role absence bad luck rather prevalence good luck makes 126 Model Aviation SOLAR CHALLENGE WEAR SUPER COLOR T-SHIRT $1 Ooo S M L XL BLUE TAN NAVY GOLD ORDERS ADD $200 SHIPPING CALIF RES ADD 6% SALES TAX / ili, 1 f/ S / FREE PRICE LIST S PLANS PHOTOS POSTERS rnQAa-1 ST. SIMI VALLEY CA 9 Republic Seabee$18500 1186 1121 1162 1157 1214 1196 1142 1325 1322 1277 1315 1506 Grumman Widgeon $25000 D L LV THE NEW FIREBALL GLOW PLUGS ARE LEAKPROOF AND BLOWOUT PROOF EVEN FOR THE NEW MONSTER ENGINES BUT THEY ARE STILL THE OLD PRICE OF $110 WRITE NOW' SWANSON PO Box 1 Wayne NA 07470 THE GIANTS IN GIANT SCALE KIORITZ 24 Cu Ifl SUGGESTED LIST 219~ EXHAUST MANIFOLD KIT Fits Kioritz McCulloch Kawasaki$1000 VELOCITY STACK KIT Kioritz Quadra300 6 BOLT PROP HUB Kioritz Quadra1995 SPECIAL LENGTH PROP HUBS FOR KIORITZ&OTHER ENGINES. 2000 PRESSURE CHECK VALVE 1-way smoke system395 CHAMPION PLUGS resistor250 BELRAY MC-1 OIL 12 oz295 rlLtJ INTRODUCING KIORITZ SUPER ENGINES29 5 DISPLACEMENT RANGESImount water cooled head18 365 56 cu HP Range 6 9 pua I E. Direct Sales Only DIRECT SALES ONLY CALL OR WRITE FOR TERMS C KIORITZ 1 ROUSH MFG Box 251 YVILLE OHIO 44671 Phone 216 866-9462 484-4374 winners Bob Vinson middle-grounders flying engine-power events exclusively started off Carl Goldberg Sailplane some 40 years ago modified bit time its dozens successors built todays version elliptical wing has given way doubletaper approximation rudder got pushed astern stabilizer fat oval fuselage Sailplane gave way skinny balsa box decades ago won big-engine D-gas event other extreme FAI-event fliers eyes international competition particularly World Championships Stay away people value lives sanity talk bite vampire will become universe near-equals one-percent advantage becomes technological breakthrough century mind fact Airfoils piston fitting rubber selection tow-hook rake angle thermal detection materials construction team strategy competition tactics circletow-zoom-launch techniques technology mind boggles meet served final practice session teams will represent USA World Championships held Spain later year 10 members teams present functioned teams rather merely individuals addition ad hoc teams formed challenge US teamswhat greater glory beat champions put pressure Some teams labeled themselves Italian team Russian team went around acting surly talking broken English awhile butwhen mattered attitude business real Canadian team Nordic Glider event Off side main sequence Scale modelers models range size 1 3-in-span rubber power Peanut Scale models 3-ft Jumbo Scale models also rubberpowered Glow-engine diesel-engine powered models seen frequently decade ago development suitable electric CO-2 systems has put end greasy kid stuff almost models judged workmanship fidelity scale additionally engine-powered models judged flight quality rubberpowered models duration flight Judging Scale models flight duration seems ludicrous writer thats way game played Bill McConachie tough time flying big rubber power Douglas 0-38 biplane both AMA Scale Jumbo Scale sandwich ing Scale model flights between Wakefield flights Time didnt permit such niceties switching rubber motors between flights flight least three broken strands thrashing around preparing another flight wound motor slipped away tried switch winder prop motor tore away longeron lots RIC Free-Flight Assist Friendly Giant SUPER BUCCANEER Plan Set 88 WIngspan 5 Englrwi Wgt7 lbs wlo radio 2-5 chan RIG $1795 Original design dates 1937 F/F era #RCFF1 Prices Complete Plans Sub Assembly Detailed Parts Lists Add $200 Mailing Tube Send Brochure Details new designs & great things come Send $100 refundable information LEISURE takes AIR DOUBLES yourflight time SEND SASE FOR COMPLETE INFORMATION Now 8-10 mm ot eiectric power per flight LEISURE ELECTRONICS@ 11 Deerspring Irvine CA927140 714552-4540 Complete flight system $7500 September1981 127 Bob tite launches rubber-power moaei dawn 4th running 1 flight Unlim Ited Mulvihill event flew 13 mm well ahead competition 4th consecu tive win annual event KIORITZ tNIiINES BY GIBBS HOBBY & RESEA Original Developer Factory Trained Authorized Master Service Dealer Year Limited Warranty Pre- Drilled Props Avail Ask About Custom- Built KIORITZ Engines Deep Fins Optimum Cooling 21/4 Flywheel Small Magneto 1 5/8in Six Bolt Aluminum Hub Carb Needles &Throttle Accessible Engine Running Don Godfrey [2z22276J Points Sealed Rear Housing $19995 pay ship pre-paid orders Mufflers Now Availablel DEALERS WELCOME 5FECIFICATION5 242co 357ccWoIbro Pnorp CobRoll Reorngs Crenk 32HP ot 8000 too3 Rog PstoeCoged Rollers Rod ond Fstoo Rn ght 6 lb GIBBS HOBBY & RESEARCH 6195 HIlifleld St NW N CANTON OHIO 44720 Phone 216 499-8854 after 600 PM covering lodged itself midway along fuselage Somehow Bill fished out too much additional damage model repaired model made required number flights result two trophies satisfac tion finishing ajob set out despite difficulties Off other side main sequence Indoor fliers Both Novice Pennyplane Easy B flown Champs too-small gym lights about 20 feet above floor choice events turns out good although happened somewhat accidentally Easy B lack covering bracing restric tions minimum-weight rule gives real Indoor fliers something play flying larger AMA FAI-class Indoor models such place would ludicrous Novice Pennyplane its severe restrictions gives novice good shot necessary skills can relatively quickly developed Still same guysMather Banks Hoffmanwin top spots both events nearly year isnt say fragile pillars glory couldnt toppled someone willing devote litte effort such endeavor Forming another offshoot main se quence Hand Launched Glider fliers come two colors Indoor Outdoor Strangely skills goals two diametrically opposed same guys fly both classes Indoor event name game chuck 16-in 4-gram solid-balsa model up rafter 20 feet overhead program flip steady glide losing lot altitude pray someone doesnt sneeze takes bit luck no little skill experience get such light model survive launch gliding speed such models unbelievably slow glide angle rather steep pair over-30-second flights required win Mike Stoy Chicago area frequent Nats Hand Launch Glider winner dropped long enough win Indoor Glider event did friend Bob Hayes Jr two years ago guest Cloud Dusters barbeque thrown Bud Romak way Yosemite plans go top Half Dome hard way up face Outdoor Hand Launch Glider event game chuck 1 -oz solid-balsa glider up height 100 ft thermal Strong thermals easy find such low heights tend small diameter Cattail fluff thrown air popular way detecting localizing thermal surprisingly Jim Leuken won event Hes lad won event 1977 Nats newcomer flying Senior age class hes wins since As trophies tucked away unoccu pied corner car trunk motorcycle lashed down bumper rack wonders what will like next year bound hotter Will able avoid errors bad luck years meet will largely same old guys doing same old thing expectation will some fresh young faces too Thats what keeps crazy Free Flight business going FF Scale/Warner Continued page 55 Eindecker second year running Clar ence Mather great new Tipsy Junior Scott Rubke whole load airbrushed fine-flying WW II vintage ships sporting decal decorations larger plastic kits really dresses up crowd favorite Lynne Bubens Dean Delt-Air 250 homebuilt flew better real destroyed itself its builder its first test flight Lynnes ship fourth model made rock-steady left-hand circles times bit under half minutebut spectacular enough draw applause crowd could believe Barnaby Wainfans Dreadnought Postal monoplane its huge wing area also flew fine form Its what makes FF Scale fun seeing unusual rare finely-crafted models flying well FF Gas now aptly designated FF Power went electrics wiht Paulhan Tatin taking first Ferrell Papics Bleriot VII right behind Both powered Astro 02 units Ferrell uses Sanyo -length Nicad cells standard GE cells supplied Astro-Flight minutes charge gives about 30-second flight 20 seconds minunum judging realism-of-flight Ferrell uses about six minutes always seems stay up forever Two amps seems best rate charge four-cell pack Peanut outdoor would have won Clarence Mather Tom Comparet Jr except fact planes flew too well Clarences Davis V-tailed ultra-light model made OOS early game Toms Peck Lacey sailed off same thermal Lacey dropped out judging after flying its lucky amateur thats bacon first place Lacey teh Peck kit lost timers eye 2/2 minutes falling out thermal about four minutes total might interested note model built flown Indoor contest e hours six minutes box flight used Super Jet building save time prove no has excuse building model due lack spare time ll admit did take about six hours finishing touches such tissue letters recovering wrinkles adding de tails etc 128 Model Aviation Parker McQuown flew Coot Indoor Hand Launch Glider /s-oz models get flights 3Osec chucked height 20 ft Parker Novato CA George Schroedters new Wakefield Wake-Up soon kittedWII first US Wake kit since Korda back 30s gives good account itself despite its simplicity
Edition: Model Aviation - 1981/09
Page Numbers: 50, 51, 52, 53, 126, 127, 128
Us Fin rLi Cli CI 11th annual gathering FFers May 23-25 1981 contest site Taft CA envy modelers over world good flying weather few obstructions almost unlimited down wind chasing retrieval high-flying birdieslfl Bob Meuser Dan Hannah youngest member Flying Hannahs holds original-design Gas model Power Supertigre 15 NESTLED southernmost corner Cali fornias San Joaquin Valley Coast Ranges Sierra Nevada meet Tehachapi Mountains dividing California its Southern Nothern parts lies Taft again site annual US Free Flight Champion ships Held annually over three-day Memorial Day weekend Champs draws some 300 competitors mostly western US few East Midwest Canada Mexico lb R B McKennas T-shirt proclaims winners Broadhurst Trophy Chuck AMA vicepresident executive director N FF5 founder FF Championships occasional New Zealand Australia becoming tradition England Paul Masterman co-editor Free Flight News What can writer say about event bound replay what happened last year year before same old guys doing same old things 50 Model Aviation Ralph Prey originated Nostalgia eventits model designs falling somewhere between Old-Timer modern stuff gains popularity yearly big Ramrod Anorner Flying Hannaha time its Bruce flies 11-year-old Classic venerable Veco 19 Gas Although seem crashes competition FF some models survive hundreds competition flights before being honorably retired Hod lersons riles ma orIglnal-oesign cipirer iii ooxn rlail-Mand AGas events using traditional Cox Tee Dee 049-to-051 engine swap Such models flying Class against models having 4 times displacement frequently give good account themselves Sal Taibis Starduster design now quarter-century docile model still competitive Kenny Keegan Jr Burbank CA built Tee Dee 049-powered Duster flew Champs IN PiOfl Mi Ah isnt quite always same old guys Some drop out die off replaced new fresh young faces some dropped out late teens come back adults wives families little shavers have grown foot since last time saw just let know time has stood still Notable among fresh new faces pair youngsters Mexico City Hugo Moran Ricardo Bernal lads participated program set up Colomarex Nordic Glider flier sent Champs result having won local contests Mexico City Mexico City has frequently sent adult glider fliers participated Peanut Scale activities dont recall seeing such young people before obviously know what theyre doing Theyve asked Bud Romak ex-World Champ Indoor flier come institute show Indoor model construciton flying techniques Also trio young people call themselves Jim Wilson memberof 1979 1981 US Nordic Gliderteam patches up straightdihedral Simple Toygliders Jim wasecstaticoverthechanceof US FFteamsdoing well atthe forthcoming World Champs Spain virtue having practiced lot together years US FF Champs Ken Bauer managed explode A-2 Towline Gliderpossibly because laid out theGrandma Meuser dark glasses helps desert two occasions once 7 monthsMarnie retrieve winning A-i Towline Glider another time 6 weeks weakened byafter first max flight Its Tadpolea Xena exposurekis design wins lot September 1981 51 R B McKenna VTOs huge Satellite 1500 macho D Gas event An 05 65 Schnuerle hauls orbit Fairchild F24 has always popular sublect Scale Art Herbans 3-footer electric-powered Astro Flight 020 Few Power Scale models use internal combustion engines nowadays mostly electric CO-2 Sill McConacflies big rubber-power Douglas 0-38 has led tough life lost QOS last yearlater found returned year wound motor slipped Bills grasp tore side Out fuselage whirlwind fashion Bill repaired got hisflightssandwiched between Wakefield flights Good enough 3rd both AMA Jumbo Scale events Return-gears Loren Williams 36-1/z-in-span BuckerJungman connect two 14-strand 17-in rubber motors end-to-end arrangement allows double motor-run time Ed Lidgard loadsthe rubbermotorinto Bugs Buzza 1942 design qualifies Old-Timer Coupe d H iver P-30 Ed friends cranked outa half-dozen atacratk MartyThompson isa formerJunior Nats Champ Model isa scaled-down PlayboySr Such models limited 36-in wingspan powered Cox Tee Dee 020 glow engines Black Sheep Squadron Burbank flew nothing canards tandems deltas Al Hieger Lynne Ruben Barnaby Wainfan Notable Lynnes Peanut Scale delta designed three-views proto type flew quite nicely easy subject kickolTevent 1981 US Free Flight Champs although official schedule Unlimited Mulvihill Event rubberpowered models flight dawn maximum flight duration label trophy puts perennial special event represents Free Flights finest hour ultimate expression some four-fifths century attempts achieve maximum flight performance model aircraft driven twisted rubberband sam time model aviations primitive form propulsion Mulvihill part 4ie name comes Mulvihill Trophy donated 1923 B H Mulvihill vice-president National Aeronautic Association awarded almost annually ever since event has awarded recent years has called Unlimited Rubber event recently name got changed Mulvihill Event Unlimited part name special event represents fact no max~ flight-time limit official AMA events Models launched within narrow time-window between 600 620am weather permitting thermal activity atmos 52 Model Aviation Lynne Buben scratch-built mis ieanut Scale Delt-Air 250 3-view drawing prototype built home town Flint Ml Deltas easy subjectshers flew superbly Bob Dodds flew Gil Shulman-designed Rambler Old-Timer C-Pylon event Power Brown Jr spark-ignition engine Old-Timer events models designed before 1943 Varipus held during 3 days FF Champs Canadas perennial Nordic Glider team mem ber Peter Allnutt gets shot Gatorade between flights Canada usually well-represented US FF Champs Hugo Moran came Champs Mexico City because won competition first group younger contestants area flies plastic-prop model increasingly-popular p-ao event info Mexicans article phere about little ever Good competitive Mulvihill models will turn scores five six minutes early-morning air four years event has flown average score has range year Bob White has managed top average 50 100 percent Bobs modelshe used new year same old rubber motorare unusual nor does harbor secrets practiced eyes peers could discover Ask Bob hell tell anything want know hell put down paper forthcoming article appear Free Flight digest National Free Flight Society Airframe weight Bobs 290-sq model 75 grams rubber motor weight 90 grams Aspect ratio perhaps bit lower average stabilizer area large around 35 40% wing area Fuselage tube rolled light 1/16-in balsa sheet Rib spacing about equal chord added diagonal ribs Whites traditional version Union Jack construction technique does give especially uniform nor accurate airfoil section likely change shape time So what Bob White secret Pure luck . likely four times row Hes Number because tries harder perhaps model designed built trimmed carefully particular event flies regular Mulvi event under thermal conditions traditional talk about Tafts weather temperature characteristically getting 950 1000F year can talk about weather different reason mildest Ron Wittmans youngest Jet gets off 4-mm flight Novice Pennyplane under pops watchful eye first model got him trophy has ever during 15 years ot Champs its precursors Maximum tempera ture seldom poked 80s Models didnt drift very far afternoon wind usually comes up Thermals never strong enough keep dethermalized model going up Dust devils apparently ex orcised third day sky overcast through out day few drops rain usual 10 am doldrums persisted day long Mylar streamers atop poles 100 yards apart indicated opposite wind directions Occa sionally would lift its plume skyward indicat ing thermal have fall dead ground few seconds later Oh thermals alright holes down ward-moving air between thermals did best keep presence secret Free Flight business curious kettle flying fish hand Old-Timer devotees fly models designed before 1941 gas events use old modern spark-ignition engines far cry Continued page 126 September 1981 53 Englands Paul Masterman co-editor Free Flight News Wakefieldwaiting sure thermal Paul flies Outdoor Rubber events Doug Galbreath Roger Simpson members US FAI Power team wait tout forbetterair likelyto occur later round 81 FF World Champs will Spain Mario Oliver discusses team tactics other members mock Italian FAI power team Teams organized compete against official US teams FF champs make final pre-World Champs practice realistically tough possible trio younger modelers Burbank CA flew weird models I-30 Two tandem-wings canard flew nicely seemed bit underpowered L RI Al Hieger Lynne Buben Barnaby Wainfan PBY-5 Catalina$40000 See Dealer Mr Gs Products & Supply 1010 Gratiot Marysville MI 48040 areas corrections helpful tips newsletter nice touch particularly beginners visiting friend out town UPS arrived package American RC new plastic side frames modifications friends Mantis Mantis available since loan South Carolina plastic parts look good probably superior plywood construction least regard building time modification available under $2000 believe Mantis needs face lift could ticket also received information Watson dustries regarding new gyro com pany has developed electronic device duplicates function old electro mechanical rate gyro Im looking forward trying soon can Ill try out new Schlueter SX8 1 Helicopter photo beginnings SX8 1 next Heliboy might lead wonder Dieter didnt name latter Lowboy center gravity higher 5X8 1 Heliboy promises better rolling character istics fuselage very scale-like fact someone familiar full-scale Helicopters might think SX8 lisa scaled-down version latest attack Helicopter time permits hope have SX8 1 completed featured next month Meanwhile since Heliboy doesnt fly itself think Ill try hand Good flying See next month Dave Chesney Rt 9 Box 621A Greensboro NC 27409 RC Pylon Racing/Hager Continued page 47 pher cut last pylon rendered Rusty ultimate winner time 1123 sponsor caller Jerry Boyce walked away $58050 eachnot bad weekend races 44 Expert contestants 22 broke 120 says something clean air Cali fornias central coast lot people made race total success starter Len Ledson Club President Tom Wiggen everyone pitched helped look forward next year Race #6 will better ever final results Expert 1 Bob Smith 2 Keith Davidson 3 Gary Hover 1146 1175 1178 4 Dave Kaylor 5 Dave Shadel 6 Tom Christopher 7 Rusty Van Baren 8 Ron Schorr 9 Mack Moffat 10 Kent Nogy Results Standard 1 George Soderberg 2 Don Dombrowski 3 Tom Strom 4 Kim Tucker 5 Jim Kelly Formula fliers should put contest calendar years Nationals will Seguin TX August 2 thru 9 Its going good have plenty room weather should great Ill looking forward seeing Bill Hager 706 Glen Haven Dr Conroe TX 77302 FF Champs/Meuser Continued page 53 modern Schnuerle-ported nitro-methane-buming 30000 rpm engines Some gas jobs run over field before taking off ever just like good old days 1935 1940 get airborne sight behold sight makes some modern modelers wonder went wrong good old days new twist As Ed Lidgard put half way through winding up modern version Bugs Buzz rubber power model Yeh good old days didnt have decent rubber decent winders winding tubes prevent models getting destroyed rubber motor broke de thermalizers help us get models back good old days now words effect Seconds later tiny ugly-cute Bugs Buzz skyborne rate climb would make FAI Power flier writhe envy middle ground bulk modelers fly usual retinue AMA events rules play such guy old model semi-antique design powered well-worn enginebut well trimmedcan beat hell out competition provided can pull off act real goofs Real innovations scarce Gradual development two guys pushing particular design concept limitis norm Luck plays major role absence bad luck rather prevalence good luck makes 126 Model Aviation SOLAR CHALLENGE WEAR SUPER COLOR T-SHIRT $1 Ooo S M L XL BLUE TAN NAVY GOLD ORDERS ADD $200 SHIPPING CALIF RES ADD 6% SALES TAX / ili, 1 f/ S / FREE PRICE LIST S PLANS PHOTOS POSTERS rnQAa-1 ST. SIMI VALLEY CA 9 Republic Seabee$18500 1186 1121 1162 1157 1214 1196 1142 1325 1322 1277 1315 1506 Grumman Widgeon $25000 D L LV THE NEW FIREBALL GLOW PLUGS ARE LEAKPROOF AND BLOWOUT PROOF EVEN FOR THE NEW MONSTER ENGINES BUT THEY ARE STILL THE OLD PRICE OF $110 WRITE NOW' SWANSON PO Box 1 Wayne NA 07470 THE GIANTS IN GIANT SCALE KIORITZ 24 Cu Ifl SUGGESTED LIST 219~ EXHAUST MANIFOLD KIT Fits Kioritz McCulloch Kawasaki$1000 VELOCITY STACK KIT Kioritz Quadra300 6 BOLT PROP HUB Kioritz Quadra1995 SPECIAL LENGTH PROP HUBS FOR KIORITZ&OTHER ENGINES. 2000 PRESSURE CHECK VALVE 1-way smoke system395 CHAMPION PLUGS resistor250 BELRAY MC-1 OIL 12 oz295 rlLtJ INTRODUCING KIORITZ SUPER ENGINES29 5 DISPLACEMENT RANGESImount water cooled head18 365 56 cu HP Range 6 9 pua I E. Direct Sales Only DIRECT SALES ONLY CALL OR WRITE FOR TERMS C KIORITZ 1 ROUSH MFG Box 251 YVILLE OHIO 44671 Phone 216 866-9462 484-4374 winners Bob Vinson middle-grounders flying engine-power events exclusively started off Carl Goldberg Sailplane some 40 years ago modified bit time its dozens successors built todays version elliptical wing has given way doubletaper approximation rudder got pushed astern stabilizer fat oval fuselage Sailplane gave way skinny balsa box decades ago won big-engine D-gas event other extreme FAI-event fliers eyes international competition particularly World Championships Stay away people value lives sanity talk bite vampire will become universe near-equals one-percent advantage becomes technological breakthrough century mind fact Airfoils piston fitting rubber selection tow-hook rake angle thermal detection materials construction team strategy competition tactics circletow-zoom-launch techniques technology mind boggles meet served final practice session teams will represent USA World Championships held Spain later year 10 members teams present functioned teams rather merely individuals addition ad hoc teams formed challenge US teamswhat greater glory beat champions put pressure Some teams labeled themselves Italian team Russian team went around acting surly talking broken English awhile butwhen mattered attitude business real Canadian team Nordic Glider event Off side main sequence Scale modelers models range size 1 3-in-span rubber power Peanut Scale models 3-ft Jumbo Scale models also rubberpowered Glow-engine diesel-engine powered models seen frequently decade ago development suitable electric CO-2 systems has put end greasy kid stuff almost models judged workmanship fidelity scale additionally engine-powered models judged flight quality rubberpowered models duration flight Judging Scale models flight duration seems ludicrous writer thats way game played Bill McConachie tough time flying big rubber power Douglas 0-38 biplane both AMA Scale Jumbo Scale sandwich ing Scale model flights between Wakefield flights Time didnt permit such niceties switching rubber motors between flights flight least three broken strands thrashing around preparing another flight wound motor slipped away tried switch winder prop motor tore away longeron lots RIC Free-Flight Assist Friendly Giant SUPER BUCCANEER Plan Set 88 WIngspan 5 Englrwi Wgt7 lbs wlo radio 2-5 chan RIG $1795 Original design dates 1937 F/F era #RCFF1 Prices Complete Plans Sub Assembly Detailed Parts Lists Add $200 Mailing Tube Send Brochure Details new designs & great things come Send $100 refundable information LEISURE takes AIR DOUBLES yourflight time SEND SASE FOR COMPLETE INFORMATION Now 8-10 mm ot eiectric power per flight LEISURE ELECTRONICS@ 11 Deerspring Irvine CA927140 714552-4540 Complete flight system $7500 September1981 127 Bob tite launches rubber-power moaei dawn 4th running 1 flight Unlim Ited Mulvihill event flew 13 mm well ahead competition 4th consecu tive win annual event KIORITZ tNIiINES BY GIBBS HOBBY & RESEA Original Developer Factory Trained Authorized Master Service Dealer Year Limited Warranty Pre- Drilled Props Avail Ask About Custom- Built KIORITZ Engines Deep Fins Optimum Cooling 21/4 Flywheel Small Magneto 1 5/8in Six Bolt Aluminum Hub Carb Needles &Throttle Accessible Engine Running Don Godfrey [2z22276J Points Sealed Rear Housing $19995 pay ship pre-paid orders Mufflers Now Availablel DEALERS WELCOME 5FECIFICATION5 242co 357ccWoIbro Pnorp CobRoll Reorngs Crenk 32HP ot 8000 too3 Rog PstoeCoged Rollers Rod ond Fstoo Rn ght 6 lb GIBBS HOBBY & RESEARCH 6195 HIlifleld St NW N CANTON OHIO 44720 Phone 216 499-8854 after 600 PM covering lodged itself midway along fuselage Somehow Bill fished out too much additional damage model repaired model made required number flights result two trophies satisfac tion finishing ajob set out despite difficulties Off other side main sequence Indoor fliers Both Novice Pennyplane Easy B flown Champs too-small gym lights about 20 feet above floor choice events turns out good although happened somewhat accidentally Easy B lack covering bracing restric tions minimum-weight rule gives real Indoor fliers something play flying larger AMA FAI-class Indoor models such place would ludicrous Novice Pennyplane its severe restrictions gives novice good shot necessary skills can relatively quickly developed Still same guysMather Banks Hoffmanwin top spots both events nearly year isnt say fragile pillars glory couldnt toppled someone willing devote litte effort such endeavor Forming another offshoot main se quence Hand Launched Glider fliers come two colors Indoor Outdoor Strangely skills goals two diametrically opposed same guys fly both classes Indoor event name game chuck 16-in 4-gram solid-balsa model up rafter 20 feet overhead program flip steady glide losing lot altitude pray someone doesnt sneeze takes bit luck no little skill experience get such light model survive launch gliding speed such models unbelievably slow glide angle rather steep pair over-30-second flights required win Mike Stoy Chicago area frequent Nats Hand Launch Glider winner dropped long enough win Indoor Glider event did friend Bob Hayes Jr two years ago guest Cloud Dusters barbeque thrown Bud Romak way Yosemite plans go top Half Dome hard way up face Outdoor Hand Launch Glider event game chuck 1 -oz solid-balsa glider up height 100 ft thermal Strong thermals easy find such low heights tend small diameter Cattail fluff thrown air popular way detecting localizing thermal surprisingly Jim Leuken won event Hes lad won event 1977 Nats newcomer flying Senior age class hes wins since As trophies tucked away unoccu pied corner car trunk motorcycle lashed down bumper rack wonders what will like next year bound hotter Will able avoid errors bad luck years meet will largely same old guys doing same old thing expectation will some fresh young faces too Thats what keeps crazy Free Flight business going FF Scale/Warner Continued page 55 Eindecker second year running Clar ence Mather great new Tipsy Junior Scott Rubke whole load airbrushed fine-flying WW II vintage ships sporting decal decorations larger plastic kits really dresses up crowd favorite Lynne Bubens Dean Delt-Air 250 homebuilt flew better real destroyed itself its builder its first test flight Lynnes ship fourth model made rock-steady left-hand circles times bit under half minutebut spectacular enough draw applause crowd could believe Barnaby Wainfans Dreadnought Postal monoplane its huge wing area also flew fine form Its what makes FF Scale fun seeing unusual rare finely-crafted models flying well FF Gas now aptly designated FF Power went electrics wiht Paulhan Tatin taking first Ferrell Papics Bleriot VII right behind Both powered Astro 02 units Ferrell uses Sanyo -length Nicad cells standard GE cells supplied Astro-Flight minutes charge gives about 30-second flight 20 seconds minunum judging realism-of-flight Ferrell uses about six minutes always seems stay up forever Two amps seems best rate charge four-cell pack Peanut outdoor would have won Clarence Mather Tom Comparet Jr except fact planes flew too well Clarences Davis V-tailed ultra-light model made OOS early game Toms Peck Lacey sailed off same thermal Lacey dropped out judging after flying its lucky amateur thats bacon first place Lacey teh Peck kit lost timers eye 2/2 minutes falling out thermal about four minutes total might interested note model built flown Indoor contest e hours six minutes box flight used Super Jet building save time prove no has excuse building model due lack spare time ll admit did take about six hours finishing touches such tissue letters recovering wrinkles adding de tails etc 128 Model Aviation Parker McQuown flew Coot Indoor Hand Launch Glider /s-oz models get flights 3Osec chucked height 20 ft Parker Novato CA George Schroedters new Wakefield Wake-Up soon kittedWII first US Wake kit since Korda back 30s gives good account itself despite its simplicity
Edition: Model Aviation - 1981/09
Page Numbers: 50, 51, 52, 53, 126, 127, 128
Us Fin rLi Cli CI 11th annual gathering FFers May 23-25 1981 contest site Taft CA envy modelers over world good flying weather few obstructions almost unlimited down wind chasing retrieval high-flying birdieslfl Bob Meuser Dan Hannah youngest member Flying Hannahs holds original-design Gas model Power Supertigre 15 NESTLED southernmost corner Cali fornias San Joaquin Valley Coast Ranges Sierra Nevada meet Tehachapi Mountains dividing California its Southern Nothern parts lies Taft again site annual US Free Flight Champion ships Held annually over three-day Memorial Day weekend Champs draws some 300 competitors mostly western US few East Midwest Canada Mexico lb R B McKennas T-shirt proclaims winners Broadhurst Trophy Chuck AMA vicepresident executive director N FF5 founder FF Championships occasional New Zealand Australia becoming tradition England Paul Masterman co-editor Free Flight News What can writer say about event bound replay what happened last year year before same old guys doing same old things 50 Model Aviation Ralph Prey originated Nostalgia eventits model designs falling somewhere between Old-Timer modern stuff gains popularity yearly big Ramrod Anorner Flying Hannaha time its Bruce flies 11-year-old Classic venerable Veco 19 Gas Although seem crashes competition FF some models survive hundreds competition flights before being honorably retired Hod lersons riles ma orIglnal-oesign cipirer iii ooxn rlail-Mand AGas events using traditional Cox Tee Dee 049-to-051 engine swap Such models flying Class against models having 4 times displacement frequently give good account themselves Sal Taibis Starduster design now quarter-century docile model still competitive Kenny Keegan Jr Burbank CA built Tee Dee 049-powered Duster flew Champs IN PiOfl Mi Ah isnt quite always same old guys Some drop out die off replaced new fresh young faces some dropped out late teens come back adults wives families little shavers have grown foot since last time saw just let know time has stood still Notable among fresh new faces pair youngsters Mexico City Hugo Moran Ricardo Bernal lads participated program set up Colomarex Nordic Glider flier sent Champs result having won local contests Mexico City Mexico City has frequently sent adult glider fliers participated Peanut Scale activities dont recall seeing such young people before obviously know what theyre doing Theyve asked Bud Romak ex-World Champ Indoor flier come institute show Indoor model construciton flying techniques Also trio young people call themselves Jim Wilson memberof 1979 1981 US Nordic Gliderteam patches up straightdihedral Simple Toygliders Jim wasecstaticoverthechanceof US FFteamsdoing well atthe forthcoming World Champs Spain virtue having practiced lot together years US FF Champs Ken Bauer managed explode A-2 Towline Gliderpossibly because laid out theGrandma Meuser dark glasses helps desert two occasions once 7 monthsMarnie retrieve winning A-i Towline Glider another time 6 weeks weakened byafter first max flight Its Tadpolea Xena exposurekis design wins lot September 1981 51 R B McKenna VTOs huge Satellite 1500 macho D Gas event An 05 65 Schnuerle hauls orbit Fairchild F24 has always popular sublect Scale Art Herbans 3-footer electric-powered Astro Flight 020 Few Power Scale models use internal combustion engines nowadays mostly electric CO-2 Sill McConacflies big rubber-power Douglas 0-38 has led tough life lost QOS last yearlater found returned year wound motor slipped Bills grasp tore side Out fuselage whirlwind fashion Bill repaired got hisflightssandwiched between Wakefield flights Good enough 3rd both AMA Jumbo Scale events Return-gears Loren Williams 36-1/z-in-span BuckerJungman connect two 14-strand 17-in rubber motors end-to-end arrangement allows double motor-run time Ed Lidgard loadsthe rubbermotorinto Bugs Buzza 1942 design qualifies Old-Timer Coupe d H iver P-30 Ed friends cranked outa half-dozen atacratk MartyThompson isa formerJunior Nats Champ Model isa scaled-down PlayboySr Such models limited 36-in wingspan powered Cox Tee Dee 020 glow engines Black Sheep Squadron Burbank flew nothing canards tandems deltas Al Hieger Lynne Ruben Barnaby Wainfan Notable Lynnes Peanut Scale delta designed three-views proto type flew quite nicely easy subject kickolTevent 1981 US Free Flight Champs although official schedule Unlimited Mulvihill Event rubberpowered models flight dawn maximum flight duration label trophy puts perennial special event represents Free Flights finest hour ultimate expression some four-fifths century attempts achieve maximum flight performance model aircraft driven twisted rubberband sam time model aviations primitive form propulsion Mulvihill part 4ie name comes Mulvihill Trophy donated 1923 B H Mulvihill vice-president National Aeronautic Association awarded almost annually ever since event has awarded recent years has called Unlimited Rubber event recently name got changed Mulvihill Event Unlimited part name special event represents fact no max~ flight-time limit official AMA events Models launched within narrow time-window between 600 620am weather permitting thermal activity atmos 52 Model Aviation Lynne Buben scratch-built mis ieanut Scale Delt-Air 250 3-view drawing prototype built home town Flint Ml Deltas easy subjectshers flew superbly Bob Dodds flew Gil Shulman-designed Rambler Old-Timer C-Pylon event Power Brown Jr spark-ignition engine Old-Timer events models designed before 1943 Varipus held during 3 days FF Champs Canadas perennial Nordic Glider team mem ber Peter Allnutt gets shot Gatorade between flights Canada usually well-represented US FF Champs Hugo Moran came Champs Mexico City because won competition first group younger contestants area flies plastic-prop model increasingly-popular p-ao event info Mexicans article phere about little ever Good competitive Mulvihill models will turn scores five six minutes early-morning air four years event has flown average score has range year Bob White has managed top average 50 100 percent Bobs modelshe used new year same old rubber motorare unusual nor does harbor secrets practiced eyes peers could discover Ask Bob hell tell anything want know hell put down paper forthcoming article appear Free Flight digest National Free Flight Society Airframe weight Bobs 290-sq model 75 grams rubber motor weight 90 grams Aspect ratio perhaps bit lower average stabilizer area large around 35 40% wing area Fuselage tube rolled light 1/16-in balsa sheet Rib spacing about equal chord added diagonal ribs Whites traditional version Union Jack construction technique does give especially uniform nor accurate airfoil section likely change shape time So what Bob White secret Pure luck . likely four times row Hes Number because tries harder perhaps model designed built trimmed carefully particular event flies regular Mulvi event under thermal conditions traditional talk about Tafts weather temperature characteristically getting 950 1000F year can talk about weather different reason mildest Ron Wittmans youngest Jet gets off 4-mm flight Novice Pennyplane under pops watchful eye first model got him trophy has ever during 15 years ot Champs its precursors Maximum tempera ture seldom poked 80s Models didnt drift very far afternoon wind usually comes up Thermals never strong enough keep dethermalized model going up Dust devils apparently ex orcised third day sky overcast through out day few drops rain usual 10 am doldrums persisted day long Mylar streamers atop poles 100 yards apart indicated opposite wind directions Occa sionally would lift its plume skyward indicat ing thermal have fall dead ground few seconds later Oh thermals alright holes down ward-moving air between thermals did best keep presence secret Free Flight business curious kettle flying fish hand Old-Timer devotees fly models designed before 1941 gas events use old modern spark-ignition engines far cry Continued page 126 September 1981 53 Englands Paul Masterman co-editor Free Flight News Wakefieldwaiting sure thermal Paul flies Outdoor Rubber events Doug Galbreath Roger Simpson members US FAI Power team wait tout forbetterair likelyto occur later round 81 FF World Champs will Spain Mario Oliver discusses team tactics other members mock Italian FAI power team Teams organized compete against official US teams FF champs make final pre-World Champs practice realistically tough possible trio younger modelers Burbank CA flew weird models I-30 Two tandem-wings canard flew nicely seemed bit underpowered L RI Al Hieger Lynne Buben Barnaby Wainfan PBY-5 Catalina$40000 See Dealer Mr Gs Products & Supply 1010 Gratiot Marysville MI 48040 areas corrections helpful tips newsletter nice touch particularly beginners visiting friend out town UPS arrived package American RC new plastic side frames modifications friends Mantis Mantis available since loan South Carolina plastic parts look good probably superior plywood construction least regard building time modification available under $2000 believe Mantis needs face lift could ticket also received information Watson dustries regarding new gyro com pany has developed electronic device duplicates function old electro mechanical rate gyro Im looking forward trying soon can Ill try out new Schlueter SX8 1 Helicopter photo beginnings SX8 1 next Heliboy might lead wonder Dieter didnt name latter Lowboy center gravity higher 5X8 1 Heliboy promises better rolling character istics fuselage very scale-like fact someone familiar full-scale Helicopters might think SX8 lisa scaled-down version latest attack Helicopter time permits hope have SX8 1 completed featured next month Meanwhile since Heliboy doesnt fly itself think Ill try hand Good flying See next month Dave Chesney Rt 9 Box 621A Greensboro NC 27409 RC Pylon Racing/Hager Continued page 47 pher cut last pylon rendered Rusty ultimate winner time 1123 sponsor caller Jerry Boyce walked away $58050 eachnot bad weekend races 44 Expert contestants 22 broke 120 says something clean air Cali fornias central coast lot people made race total success starter Len Ledson Club President Tom Wiggen everyone pitched helped look forward next year Race #6 will better ever final results Expert 1 Bob Smith 2 Keith Davidson 3 Gary Hover 1146 1175 1178 4 Dave Kaylor 5 Dave Shadel 6 Tom Christopher 7 Rusty Van Baren 8 Ron Schorr 9 Mack Moffat 10 Kent Nogy Results Standard 1 George Soderberg 2 Don Dombrowski 3 Tom Strom 4 Kim Tucker 5 Jim Kelly Formula fliers should put contest calendar years Nationals will Seguin TX August 2 thru 9 Its going good have plenty room weather should great Ill looking forward seeing Bill Hager 706 Glen Haven Dr Conroe TX 77302 FF Champs/Meuser Continued page 53 modern Schnuerle-ported nitro-methane-buming 30000 rpm engines Some gas jobs run over field before taking off ever just like good old days 1935 1940 get airborne sight behold sight makes some modern modelers wonder went wrong good old days new twist As Ed Lidgard put half way through winding up modern version Bugs Buzz rubber power model Yeh good old days didnt have decent rubber decent winders winding tubes prevent models getting destroyed rubber motor broke de thermalizers help us get models back good old days now words effect Seconds later tiny ugly-cute Bugs Buzz skyborne rate climb would make FAI Power flier writhe envy middle ground bulk modelers fly usual retinue AMA events rules play such guy old model semi-antique design powered well-worn enginebut well trimmedcan beat hell out competition provided can pull off act real goofs Real innovations scarce Gradual development two guys pushing particular design concept limitis norm Luck plays major role absence bad luck rather prevalence good luck makes 126 Model Aviation SOLAR CHALLENGE WEAR SUPER COLOR T-SHIRT $1 Ooo S M L XL BLUE TAN NAVY GOLD ORDERS ADD $200 SHIPPING CALIF RES ADD 6% SALES TAX / ili, 1 f/ S / FREE PRICE LIST S PLANS PHOTOS POSTERS rnQAa-1 ST. SIMI VALLEY CA 9 Republic Seabee$18500 1186 1121 1162 1157 1214 1196 1142 1325 1322 1277 1315 1506 Grumman Widgeon $25000 D L LV THE NEW FIREBALL GLOW PLUGS ARE LEAKPROOF AND BLOWOUT PROOF EVEN FOR THE NEW MONSTER ENGINES BUT THEY ARE STILL THE OLD PRICE OF $110 WRITE NOW' SWANSON PO Box 1 Wayne NA 07470 THE GIANTS IN GIANT SCALE KIORITZ 24 Cu Ifl SUGGESTED LIST 219~ EXHAUST MANIFOLD KIT Fits Kioritz McCulloch Kawasaki$1000 VELOCITY STACK KIT Kioritz Quadra300 6 BOLT PROP HUB Kioritz Quadra1995 SPECIAL LENGTH PROP HUBS FOR KIORITZ&OTHER ENGINES. 2000 PRESSURE CHECK VALVE 1-way smoke system395 CHAMPION PLUGS resistor250 BELRAY MC-1 OIL 12 oz295 rlLtJ INTRODUCING KIORITZ SUPER ENGINES29 5 DISPLACEMENT RANGESImount water cooled head18 365 56 cu HP Range 6 9 pua I E. Direct Sales Only DIRECT SALES ONLY CALL OR WRITE FOR TERMS C KIORITZ 1 ROUSH MFG Box 251 YVILLE OHIO 44671 Phone 216 866-9462 484-4374 winners Bob Vinson middle-grounders flying engine-power events exclusively started off Carl Goldberg Sailplane some 40 years ago modified bit time its dozens successors built todays version elliptical wing has given way doubletaper approximation rudder got pushed astern stabilizer fat oval fuselage Sailplane gave way skinny balsa box decades ago won big-engine D-gas event other extreme FAI-event fliers eyes international competition particularly World Championships Stay away people value lives sanity talk bite vampire will become universe near-equals one-percent advantage becomes technological breakthrough century mind fact Airfoils piston fitting rubber selection tow-hook rake angle thermal detection materials construction team strategy competition tactics circletow-zoom-launch techniques technology mind boggles meet served final practice session teams will represent USA World Championships held Spain later year 10 members teams present functioned teams rather merely individuals addition ad hoc teams formed challenge US teamswhat greater glory beat champions put pressure Some teams labeled themselves Italian team Russian team went around acting surly talking broken English awhile butwhen mattered attitude business real Canadian team Nordic Glider event Off side main sequence Scale modelers models range size 1 3-in-span rubber power Peanut Scale models 3-ft Jumbo Scale models also rubberpowered Glow-engine diesel-engine powered models seen frequently decade ago development suitable electric CO-2 systems has put end greasy kid stuff almost models judged workmanship fidelity scale additionally engine-powered models judged flight quality rubberpowered models duration flight Judging Scale models flight duration seems ludicrous writer thats way game played Bill McConachie tough time flying big rubber power Douglas 0-38 biplane both AMA Scale Jumbo Scale sandwich ing Scale model flights between Wakefield flights Time didnt permit such niceties switching rubber motors between flights flight least three broken strands thrashing around preparing another flight wound motor slipped away tried switch winder prop motor tore away longeron lots RIC Free-Flight Assist Friendly Giant SUPER BUCCANEER Plan Set 88 WIngspan 5 Englrwi Wgt7 lbs wlo radio 2-5 chan RIG $1795 Original design dates 1937 F/F era #RCFF1 Prices Complete Plans Sub Assembly Detailed Parts Lists Add $200 Mailing Tube Send Brochure Details new designs & great things come Send $100 refundable information LEISURE takes AIR DOUBLES yourflight time SEND SASE FOR COMPLETE INFORMATION Now 8-10 mm ot eiectric power per flight LEISURE ELECTRONICS@ 11 Deerspring Irvine CA927140 714552-4540 Complete flight system $7500 September1981 127 Bob tite launches rubber-power moaei dawn 4th running 1 flight Unlim Ited Mulvihill event flew 13 mm well ahead competition 4th consecu tive win annual event KIORITZ tNIiINES BY GIBBS HOBBY & RESEA Original Developer Factory Trained Authorized Master Service Dealer Year Limited Warranty Pre- Drilled Props Avail Ask About Custom- Built KIORITZ Engines Deep Fins Optimum Cooling 21/4 Flywheel Small Magneto 1 5/8in Six Bolt Aluminum Hub Carb Needles &Throttle Accessible Engine Running Don Godfrey [2z22276J Points Sealed Rear Housing $19995 pay ship pre-paid orders Mufflers Now Availablel DEALERS WELCOME 5FECIFICATION5 242co 357ccWoIbro Pnorp CobRoll Reorngs Crenk 32HP ot 8000 too3 Rog PstoeCoged Rollers Rod ond Fstoo Rn ght 6 lb GIBBS HOBBY & RESEARCH 6195 HIlifleld St NW N CANTON OHIO 44720 Phone 216 499-8854 after 600 PM covering lodged itself midway along fuselage Somehow Bill fished out too much additional damage model repaired model made required number flights result two trophies satisfac tion finishing ajob set out despite difficulties Off other side main sequence Indoor fliers Both Novice Pennyplane Easy B flown Champs too-small gym lights about 20 feet above floor choice events turns out good although happened somewhat accidentally Easy B lack covering bracing restric tions minimum-weight rule gives real Indoor fliers something play flying larger AMA FAI-class Indoor models such place would ludicrous Novice Pennyplane its severe restrictions gives novice good shot necessary skills can relatively quickly developed Still same guysMather Banks Hoffmanwin top spots both events nearly year isnt say fragile pillars glory couldnt toppled someone willing devote litte effort such endeavor Forming another offshoot main se quence Hand Launched Glider fliers come two colors Indoor Outdoor Strangely skills goals two diametrically opposed same guys fly both classes Indoor event name game chuck 16-in 4-gram solid-balsa model up rafter 20 feet overhead program flip steady glide losing lot altitude pray someone doesnt sneeze takes bit luck no little skill experience get such light model survive launch gliding speed such models unbelievably slow glide angle rather steep pair over-30-second flights required win Mike Stoy Chicago area frequent Nats Hand Launch Glider winner dropped long enough win Indoor Glider event did friend Bob Hayes Jr two years ago guest Cloud Dusters barbeque thrown Bud Romak way Yosemite plans go top Half Dome hard way up face Outdoor Hand Launch Glider event game chuck 1 -oz solid-balsa glider up height 100 ft thermal Strong thermals easy find such low heights tend small diameter Cattail fluff thrown air popular way detecting localizing thermal surprisingly Jim Leuken won event Hes lad won event 1977 Nats newcomer flying Senior age class hes wins since As trophies tucked away unoccu pied corner car trunk motorcycle lashed down bumper rack wonders what will like next year bound hotter Will able avoid errors bad luck years meet will largely same old guys doing same old thing expectation will some fresh young faces too Thats what keeps crazy Free Flight business going FF Scale/Warner Continued page 55 Eindecker second year running Clar ence Mather great new Tipsy Junior Scott Rubke whole load airbrushed fine-flying WW II vintage ships sporting decal decorations larger plastic kits really dresses up crowd favorite Lynne Bubens Dean Delt-Air 250 homebuilt flew better real destroyed itself its builder its first test flight Lynnes ship fourth model made rock-steady left-hand circles times bit under half minutebut spectacular enough draw applause crowd could believe Barnaby Wainfans Dreadnought Postal monoplane its huge wing area also flew fine form Its what makes FF Scale fun seeing unusual rare finely-crafted models flying well FF Gas now aptly designated FF Power went electrics wiht Paulhan Tatin taking first Ferrell Papics Bleriot VII right behind Both powered Astro 02 units Ferrell uses Sanyo -length Nicad cells standard GE cells supplied Astro-Flight minutes charge gives about 30-second flight 20 seconds minunum judging realism-of-flight Ferrell uses about six minutes always seems stay up forever Two amps seems best rate charge four-cell pack Peanut outdoor would have won Clarence Mather Tom Comparet Jr except fact planes flew too well Clarences Davis V-tailed ultra-light model made OOS early game Toms Peck Lacey sailed off same thermal Lacey dropped out judging after flying its lucky amateur thats bacon first place Lacey teh Peck kit lost timers eye 2/2 minutes falling out thermal about four minutes total might interested note model built flown Indoor contest e hours six minutes box flight used Super Jet building save time prove no has excuse building model due lack spare time ll admit did take about six hours finishing touches such tissue letters recovering wrinkles adding de tails etc 128 Model Aviation Parker McQuown flew Coot Indoor Hand Launch Glider /s-oz models get flights 3Osec chucked height 20 ft Parker Novato CA George Schroedters new Wakefield Wake-Up soon kittedWII first US Wake kit since Korda back 30s gives good account itself despite its simplicity