Radio Control Soaring Dan Pruss AS Soaring community have heard Dan Pruss has hospitalized serious illness hopes prayers quick return Hes too important great hobby/sport out action long Dan toot own horn probably dont appreciate years constructive work Dan has put Soaringespecially F3B area MA Publisher/Editor Carl Wheeley asked fill Soaring columnist Dan recovering way introduction Im Byron Blakeslee have flying RC 26 years Sailplanes exclusively past 12 years live just south Denver CO belong areas AMA-chartered Soaring club Rocky Mountain Soaring Association Ive edited RMSAs newsletter seven years really enjoy exchanging newsletters notes other editors around country overseas well Soaring activities run pretty much AMA-type contests although have participated F3B team selections am getting Electrics Planewise second season pair Larry Jollys Meteors have usual addicts lasement full Sagittas Two-Meters slope ships Enough about What about Let know stuff makes kind Soaring column Id appreciate hearing about de signs flying techniques activities hints etc Also black-and-white photos very welcome Carls request sudden unexpected Ill have start off kind material Ilike see Soaring newsletters read monthly Back about 1973-74 started flying gliders Mark Smith Windfree local Soaring guru Dave Thornburg Albu querque subsequently designed Bird Time invented Hand-Launch RC Soaring moved California wrote Soaring column Model Builder magazine moved 4ack New Mexico Soaring semi-retire ment Anyway Dave first guy knew really put some heavy thought RC Soaring formulated observations group rules Id like pass along comment Thornburgs Rules 1 Drift lift Thermals tend blow along wind much debate what thermals look like Some say like big doughnuts hole center Any body whos flown fields long grass has seen twisters suck up leaves such know what look like know move paint types lift moveand its usually downwind 2 Stay what youve got Low thermals have Down air nearby 3 There aint no zero-lift weak low thermal will almost always grow b youre sinking theres some lift c youre sinking move someplace elsefast 4 Dont leave thermal come straight back upwind Sink holesfollow thermals b Strong lift will usually have strong Downs near byand vice versa some air going up some other air must coming down replace vice versa Sometimes Up/Down differential very slight case must pay very close attention small differences plane doing Sometimes patch Down air sink large cant get out 5 Fuselage angle indicates rising sinking lr rearward CG will make fuselage sensitive barometer Up Down air also sensitive stalling must avoided b Thermals will tend push plane outwards turn back against lift-induced turn get core c Establish core making couple passes through lift d Once circling lift notice side circle better drift direction implicit rule Slow down lift speed up sink plane its CG back will slow down climb better lift Larry Jolly pulls three clicks Up trim its best cruise position slow plane can just use rudder fly up thermal Another important point once fmdathermaldont lose contact Sometimes find nice thermal think youve got 10 minutes made relax Next thing know youre sinking youre wondering heck lift went 6 Develop minute sensitivity air quality Lift comes through cycles b Hot spats thermals ridge-type lift tend stay put period time c thermal passing through launch can often overtaken downwind d sudden wind shift usually indicates thermal nearbythe wind ground blows toward thermal area requires experience paying attention real hot dogs spart like fly shorts tennies way can feel air skin part Dave refers minute sensitivity need feel small air-tempera ture changes wanner means lift colder sink need know way wind blowing looking ribbons 7 Learn use ballast Wing loading trans lates flying speed heavier plane faster must fly b trick add enough ballast achieve good glide speed handicapping ship weak lift making too hard land c wind strong enough require ballast flying downwind usually bad Just about plane can benefit ballasting faster efficient ships benefit Theres no paint putting paund lead Windrifter 20 mph conditions because wont fly faster 20 mph anyway Ive read analyses showed paund weight necessary make slick ships wing Another Cliff Charlesworths big birds coasts ianding 1 four-meter-span ASK-i 3 Structure built-up fabriccovered club photo right Versmold West Germany fly nothing flying wings won recent postal contest sponsored Pelican Soaring Society Florida Take close look variety design display 44 Model Aviation Englands Cliff Cherlesworth brings Y4-scale ASK-lB Sailplane home landing Model has wingspan four meters June 1986 issue featured Cliffs work Holy COWl tvery time sega photo ot Sgltta-XC impressed its size belongs Clarence Nikkei Cali fornia used place second California Valley Cross-Country event loading increase point required penetra tion havent found Four ounces Meteor makes noticeable difference penetrate/dont-penetrate equation course wind really howling have put everything youve got about 20 ounces plane times flying isnt much fin start thinking about hitting fieldnot spot send newsletters hobby shops town beginners wander friendly proprietor can direct proper people often get calls can get started maybe its built plane dont know fly Theres no question best course action beginners get hooked up Soaring club area dont know Sailpianers wouldnt happy help Failing club route beginner can seek out individuals Soaring final source ofinfonnationbutnotprac tical experienceis reading material As write Im looking Zenith Aviation Book adver tisement July issue MA Kaimbach book Build Fly RC Gliders has good basic material advanced book Radio Control Thermal Soaring British author George Stringwell Its got detailed information interest advanced fliers Again Id like ask drop notes photos address given below Byron Blakeslee 3134 Winnebago Dr Sedalia CO 80135 unique aircraft today has bssn added line deita wing Kits designed Laddie Mikulasko fully aerobatic off both water end land one-piece fiberglass fuselage cowl fairing end wing-tip floats precision machine-cut foam delta wing easembies quickly eaaily4 oz lighter originel balaa version Unpiug lending gear water-tight nose wheel mount factory instahiedi fly off water snow Ice addition floats aidla Stability wind pensuation overall performanos combined un believably low landing speed make Nthatar 2001 best designs yet kit has build test flown Laddie Mikuleako complete approval Save Money lable semi-kit $1290 supply wood hardwareU Bulk head Fitting simple method feed fuel vent tubes through solid bulkheads Drill hole wIth No 18 drIll sIze bulkhead fIrewall up to3/8 thIck Provides sealed- tank compartment elimInates fuel7 z line chaffIng Color coded easy DED NYLON FUELPROOF Weight /zGM EACH Size 3/32 iD PRiCE 2for$250 FOURMOST PRODUCTS High Performance Amphibian $18900 As Featured March 86 RCM Magazine wing span44 wing area609 sq length56 weight65 lbs engine40- 462 cycle radio4 channel BOB PARKINSON FL YING MODELS RRI QueensvIIIe Ontario LOG iRO Canada Tel 416 478-2632 Z Please add 820 00 ship handling LJ Dealer inquiries Invited Bomb Release Fourmost Bomb-release mechanism isa simple light weight device Ideal fun-fly events Fasten unit plane screws provIded Attach spring-loaded latch thread connect throttle rudder servo Corrosion problem unit molded nylon spring staInless Weight 1/10 OUNCE PRICE $250 4040 24th Ave Forest Grove OR 97116503 357-2732 NEW FOURMOST PRODUCTS responding advertisers mention read about Model Aviation
Edition: Model Aviation - 1986/09
Page Numbers: 44, 45
Radio Control Soaring Dan Pruss AS Soaring community have heard Dan Pruss has hospitalized serious illness hopes prayers quick return Hes too important great hobby/sport out action long Dan toot own horn probably dont appreciate years constructive work Dan has put Soaringespecially F3B area MA Publisher/Editor Carl Wheeley asked fill Soaring columnist Dan recovering way introduction Im Byron Blakeslee have flying RC 26 years Sailplanes exclusively past 12 years live just south Denver CO belong areas AMA-chartered Soaring club Rocky Mountain Soaring Association Ive edited RMSAs newsletter seven years really enjoy exchanging newsletters notes other editors around country overseas well Soaring activities run pretty much AMA-type contests although have participated F3B team selections am getting Electrics Planewise second season pair Larry Jollys Meteors have usual addicts lasement full Sagittas Two-Meters slope ships Enough about What about Let know stuff makes kind Soaring column Id appreciate hearing about de signs flying techniques activities hints etc Also black-and-white photos very welcome Carls request sudden unexpected Ill have start off kind material Ilike see Soaring newsletters read monthly Back about 1973-74 started flying gliders Mark Smith Windfree local Soaring guru Dave Thornburg Albu querque subsequently designed Bird Time invented Hand-Launch RC Soaring moved California wrote Soaring column Model Builder magazine moved 4ack New Mexico Soaring semi-retire ment Anyway Dave first guy knew really put some heavy thought RC Soaring formulated observations group rules Id like pass along comment Thornburgs Rules 1 Drift lift Thermals tend blow along wind much debate what thermals look like Some say like big doughnuts hole center Any body whos flown fields long grass has seen twisters suck up leaves such know what look like know move paint types lift moveand its usually downwind 2 Stay what youve got Low thermals have Down air nearby 3 There aint no zero-lift weak low thermal will almost always grow b youre sinking theres some lift c youre sinking move someplace elsefast 4 Dont leave thermal come straight back upwind Sink holesfollow thermals b Strong lift will usually have strong Downs near byand vice versa some air going up some other air must coming down replace vice versa Sometimes Up/Down differential very slight case must pay very close attention small differences plane doing Sometimes patch Down air sink large cant get out 5 Fuselage angle indicates rising sinking lr rearward CG will make fuselage sensitive barometer Up Down air also sensitive stalling must avoided b Thermals will tend push plane outwards turn back against lift-induced turn get core c Establish core making couple passes through lift d Once circling lift notice side circle better drift direction implicit rule Slow down lift speed up sink plane its CG back will slow down climb better lift Larry Jolly pulls three clicks Up trim its best cruise position slow plane can just use rudder fly up thermal Another important point once fmdathermaldont lose contact Sometimes find nice thermal think youve got 10 minutes made relax Next thing know youre sinking youre wondering heck lift went 6 Develop minute sensitivity air quality Lift comes through cycles b Hot spats thermals ridge-type lift tend stay put period time c thermal passing through launch can often overtaken downwind d sudden wind shift usually indicates thermal nearbythe wind ground blows toward thermal area requires experience paying attention real hot dogs spart like fly shorts tennies way can feel air skin part Dave refers minute sensitivity need feel small air-tempera ture changes wanner means lift colder sink need know way wind blowing looking ribbons 7 Learn use ballast Wing loading trans lates flying speed heavier plane faster must fly b trick add enough ballast achieve good glide speed handicapping ship weak lift making too hard land c wind strong enough require ballast flying downwind usually bad Just about plane can benefit ballasting faster efficient ships benefit Theres no paint putting paund lead Windrifter 20 mph conditions because wont fly faster 20 mph anyway Ive read analyses showed paund weight necessary make slick ships wing Another Cliff Charlesworths big birds coasts ianding 1 four-meter-span ASK-i 3 Structure built-up fabriccovered club photo right Versmold West Germany fly nothing flying wings won recent postal contest sponsored Pelican Soaring Society Florida Take close look variety design display 44 Model Aviation Englands Cliff Cherlesworth brings Y4-scale ASK-lB Sailplane home landing Model has wingspan four meters June 1986 issue featured Cliffs work Holy COWl tvery time sega photo ot Sgltta-XC impressed its size belongs Clarence Nikkei Cali fornia used place second California Valley Cross-Country event loading increase point required penetra tion havent found Four ounces Meteor makes noticeable difference penetrate/dont-penetrate equation course wind really howling have put everything youve got about 20 ounces plane times flying isnt much fin start thinking about hitting fieldnot spot send newsletters hobby shops town beginners wander friendly proprietor can direct proper people often get calls can get started maybe its built plane dont know fly Theres no question best course action beginners get hooked up Soaring club area dont know Sailpianers wouldnt happy help Failing club route beginner can seek out individuals Soaring final source ofinfonnationbutnotprac tical experienceis reading material As write Im looking Zenith Aviation Book adver tisement July issue MA Kaimbach book Build Fly RC Gliders has good basic material advanced book Radio Control Thermal Soaring British author George Stringwell Its got detailed information interest advanced fliers Again Id like ask drop notes photos address given below Byron Blakeslee 3134 Winnebago Dr Sedalia CO 80135 unique aircraft today has bssn added line deita wing Kits designed Laddie Mikulasko fully aerobatic off both water end land one-piece fiberglass fuselage cowl fairing end wing-tip floats precision machine-cut foam delta wing easembies quickly eaaily4 oz lighter originel balaa version Unpiug lending gear water-tight nose wheel mount factory instahiedi fly off water snow Ice addition floats aidla Stability wind pensuation overall performanos combined un believably low landing speed make Nthatar 2001 best designs yet kit has build test flown Laddie Mikuleako complete approval Save Money lable semi-kit $1290 supply wood hardwareU Bulk head Fitting simple method feed fuel vent tubes through solid bulkheads Drill hole wIth No 18 drIll sIze bulkhead fIrewall up to3/8 thIck Provides sealed- tank compartment elimInates fuel7 z line chaffIng Color coded easy DED NYLON FUELPROOF Weight /zGM EACH Size 3/32 iD PRiCE 2for$250 FOURMOST PRODUCTS High Performance Amphibian $18900 As Featured March 86 RCM Magazine wing span44 wing area609 sq length56 weight65 lbs engine40- 462 cycle radio4 channel BOB PARKINSON FL YING MODELS RRI QueensvIIIe Ontario LOG iRO Canada Tel 416 478-2632 Z Please add 820 00 ship handling LJ Dealer inquiries Invited Bomb Release Fourmost Bomb-release mechanism isa simple light weight device Ideal fun-fly events Fasten unit plane screws provIded Attach spring-loaded latch thread connect throttle rudder servo Corrosion problem unit molded nylon spring staInless Weight 1/10 OUNCE PRICE $250 4040 24th Ave Forest Grove OR 97116503 357-2732 NEW FOURMOST PRODUCTS responding advertisers mention read about Model Aviation