p Soaring EJ Dan Pruss DOWN DALLAS WAY Cecil Haga designer Legionair comes idea club has tried local level Cecil claims has good reaction satisfying results What club has done order find common denominator various wingspan sailplanes sizes could fly class simply set up duration task based upon planes wing span basis inch wing span duration would four seconds Simply put 140-in Legionair would have duration task 140 0 seconds 9 mm 20 see lit tle Square Soar 72-in span would have task 72 X 4 288 seconds 4 mm 48 sec seems days air calm smaller ships would have slight edge yet would still competitive strong winds Individual scores based percent age flight time versus target time based wing span Landing points same depending what landing system used above might cure-all one-class contest system worth try Some feel wing area wing loading should factor con sider wing span Maybe tape rule across wing tips simple enough step might right direction give system try Elmirathe price success As contests get successful first step proper managing set maxi mum number contests fre quency gents Harris Hill wish pass word will case annual HHL/D get-together September deadline pre-register ing August 1 contestants should send forms listing possible fre quencies can fly Larry Taylor PO Box 265 Newark Valley NY 13811 contest dates year Septem ber 10 11 sad note club housethat log cabin-like structure sheltered fliers during past contests rain cold weather sessionsburned down last spring structure built 30s much part Harris Hill full-scale soaring California Statistics bear out fact nearly third nations soaring enthusiasts live California greater part live Los Angeles area Good enough reason form sociation soaring clubs mentioned few columns back other good reasons following sent Rick Norwood SC2 Southern California Soaring Clubs What SC2 SC2 got its initial start January 1974 under guidance Mike Fox prime purpose behind its conception put large contests throughout year minimum driving distance Because back early 1974 gas crunch necessity cut driving time very important concept received very well has continued since August1977 25 Continued page 86 Above Len Cooke displays follow-through form launches Weird plans Plying Models June 1975 Below Modifications Dick Sarpolus design include spoilers tip fins appear Whitcomb winglets described month Bob Meuser MACS Show Jack Swanson flaw New ra S several times during weekend affair thrilling hundreds spectators fighting 10-knot winds Photo Joel Rieman others Pruss can turn quite tightly under power such tight turn isnt realistic article has described competition type free-flight electricpowered scale model design flexible enough some other applications example 020 glow engine would work very well would probably increase performance due its lighter weight interested contest flying stabilizer could enlarged about 15 per cent easier adjusting cabin area quite roomy could easily hold radio control set 049 glow engine light radio T-2 would lend itself well RC confined space flying Regardless whether build du plicate electric-powered free-flight model suggested modifica tions will rewarded realistic flying replica important historic airplanes As model cruises slowly majestically overhead will reminded inspiring feats American aeronautical herit age RC Soaring/Pruss continued page 25 Flyers SFVSF Soaring Union Los Angeles SU LA Pacific Soaring Associa tion PSA Pasadena Soaring Society PSS Harbor Soaring Society HSS Torrey Pines Gulls TPG Silent Wing Soaring ssociation SWSA Model Avi ation Radio Kontrol Society MARKS Note eight listed hereDJP does SC2 work Clubs long SC2 desire hold contest assigned month hold contest Usually seven contests through out year standardized entry fee $350 per contestant $250 goes club hosting contest $1 SC2 organization $1 used operating expenses raffle prizes yearend awards year-end champion deter mined contest has raw score 3000 points entire contest normalized 1000 points cumulative total normalized scores used year-end championship points con testants best five out seven contests counted What does championship prove obvious person wins championship has flown consistently throughout year 1976 top three finishers flew same plane year Flying same plane getting know has key other championship performances witness Mrlik Heithecker Edberg Rick Pearson Mark Smith current world champion Skip MillerDJP flew unmodified manufactured kits above can act basis forming other soaring groups should further remind think con test circuit cross-country trek can local local clubs would organize groups newcomer soaring column think contests have thermals under belts may re-emphasized current World Champion Skip Miller started RC Soaring just little over year ago kinda makes us want take up bowling Bumblebees cannot fly Some years ago group aerodynamicists got together proved bee could fly because its wing loading few other factors explained bee didnt know little hummer went out flew anyway few issues back column reported speed record sailplanes 188 mph set Werner Sitar Austria us raised eyebrows column ever got reader reaction Among screamed foul 86 Model Aviation SC2 SC2 made up nine soaring clubs San Fernando Valley Silent two readers sent lengthy reports eight pages long said bum blebee cannot fly Anyway incredible may seem record stands what worth Austrian representa tive World Championship South Africa Karl Wasner witness flight Although acting official gave lengthy description scribe record-breaking flight attempts before electronic timers used runs respect spent time much effort offering criticism may reminded column does serve sounding board ideas opinions However in-depth study records dispute same should directed AMA HQ US aeromodeling representa tive FAI transmissionwhich did case Sitar record Dan Pruss Rt 2 Box 490 Plainfield IL 60544 FF Duration/Meuser continued page 43 Ruff Stuff Thats trade name some rather special sandpaper put out Ap plied Design Corporation marketed through Sig Basically plain old Nor ton Garnet Finishing Paper Whats special about backing back coating no-lickum stickumself adhesive coating preferprotected peel-off paper covering Cut oversize peel off peel-off backing stick object choice trim edges object choice might dowel proper size fillets favorite scale model gently arched stick putting undercamber Wake field prop flat surface large enough accept full-size sheet latter will handier might think example sanding down indoor glider wing sandpaper-coated surface pre vents wing slipping around sanding second sand paper-covered sheet balsa too will come handy truing up end rib wing panel just prior making dihedral joint modeling applica tions better have sandpaper nailed down move model part back forth over usual method holding part sloshing sandpaper back forth Try see sheets standard 9 X 1 size Sigs price package 36 sheets12 medium bOA 12 fine 180A 12 super-fine 280Ais $14 about 30% would pay plain garnet paper Perhaps dealer will sell sheet ask him nicely Jones Balsa Stripper Revisited last Julys issue mentioned nifty balsa stripper available Jim Jones $1080 postpaid 36631 Ledgestone Mt Clem pcfm Industries Inc 7060 HOLLYWOOD BLVD LOS ANGELES CA 90028 ens MI 48043 newer ones cali brated increments 005 inches 01 mm Thats right both inch metric calibrations provided already have earlier non-calibrated models Jim will send stick-on scale return stamped selfaddressed envelope have difficulty finding double-edge razor blades will snap properly provide sharp cutting point send another $5 Jim hundred postpaid can shave like Jim says doesnt mind Glue Gun Home craftsmen come two varieties true craftsman does better job professionals al though takes him three times long b tool freak owns tool known man doesnt know use wouldnt have anything use did know Im too humble classify myself seem have quite collection goofy tools come two varieties couldnt see could live owning never used after bought b thought would never have use bought anyhow now use almost daily seven-dollar hot-melt glue gun latter Mine Thermogrip manufactured USM Corporation August1977 87 iH CAYmAf/m/ TRY THESE OTHER CONTEST QUALITY PRODUCTS FROM PACTRA Aura I 50191 HOT FUEL PROOF DOPE EXCLUSIVE LOWHEAT AWARD WINNINGCOVERING FOR GlUMFilm HIGLOSS AND FLATFOAM & BALSA FINISHES AVAILABLEFLYING MODELS IN OVER 36 COLORSflexible ble IN BRUSH AND SPRAYfuel proof lightweight
Edition: Model Aviation - 1977/08
Page Numbers: 25, 86, 87
Edition: Model Aviation - 1977/08
Page Numbers: 25, 86, 87
p Soaring EJ Dan Pruss DOWN DALLAS WAY Cecil Haga designer Legionair comes idea club has tried local level Cecil claims has good reaction satisfying results What club has done order find common denominator various wingspan sailplanes sizes could fly class simply set up duration task based upon planes wing span basis inch wing span duration would four seconds Simply put 140-in Legionair would have duration task 140 0 seconds 9 mm 20 see lit tle Square Soar 72-in span would have task 72 X 4 288 seconds 4 mm 48 sec seems days air calm smaller ships would have slight edge yet would still competitive strong winds Individual scores based percent age flight time versus target time based wing span Landing points same depending what landing system used above might cure-all one-class contest system worth try Some feel wing area wing loading should factor con sider wing span Maybe tape rule across wing tips simple enough step might right direction give system try Elmirathe price success As contests get successful first step proper managing set maxi mum number contests fre quency gents Harris Hill wish pass word will case annual HHL/D get-together September deadline pre-register ing August 1 contestants should send forms listing possible fre quencies can fly Larry Taylor PO Box 265 Newark Valley NY 13811 contest dates year Septem ber 10 11 sad note club housethat log cabin-like structure sheltered fliers during past contests rain cold weather sessionsburned down last spring structure built 30s much part Harris Hill full-scale soaring California Statistics bear out fact nearly third nations soaring enthusiasts live California greater part live Los Angeles area Good enough reason form sociation soaring clubs mentioned few columns back other good reasons following sent Rick Norwood SC2 Southern California Soaring Clubs What SC2 SC2 got its initial start January 1974 under guidance Mike Fox prime purpose behind its conception put large contests throughout year minimum driving distance Because back early 1974 gas crunch necessity cut driving time very important concept received very well has continued since August1977 25 Continued page 86 Above Len Cooke displays follow-through form launches Weird plans Plying Models June 1975 Below Modifications Dick Sarpolus design include spoilers tip fins appear Whitcomb winglets described month Bob Meuser MACS Show Jack Swanson flaw New ra S several times during weekend affair thrilling hundreds spectators fighting 10-knot winds Photo Joel Rieman others Pruss can turn quite tightly under power such tight turn isnt realistic article has described competition type free-flight electricpowered scale model design flexible enough some other applications example 020 glow engine would work very well would probably increase performance due its lighter weight interested contest flying stabilizer could enlarged about 15 per cent easier adjusting cabin area quite roomy could easily hold radio control set 049 glow engine light radio T-2 would lend itself well RC confined space flying Regardless whether build du plicate electric-powered free-flight model suggested modifica tions will rewarded realistic flying replica important historic airplanes As model cruises slowly majestically overhead will reminded inspiring feats American aeronautical herit age RC Soaring/Pruss continued page 25 Flyers SFVSF Soaring Union Los Angeles SU LA Pacific Soaring Associa tion PSA Pasadena Soaring Society PSS Harbor Soaring Society HSS Torrey Pines Gulls TPG Silent Wing Soaring ssociation SWSA Model Avi ation Radio Kontrol Society MARKS Note eight listed hereDJP does SC2 work Clubs long SC2 desire hold contest assigned month hold contest Usually seven contests through out year standardized entry fee $350 per contestant $250 goes club hosting contest $1 SC2 organization $1 used operating expenses raffle prizes yearend awards year-end champion deter mined contest has raw score 3000 points entire contest normalized 1000 points cumulative total normalized scores used year-end championship points con testants best five out seven contests counted What does championship prove obvious person wins championship has flown consistently throughout year 1976 top three finishers flew same plane year Flying same plane getting know has key other championship performances witness Mrlik Heithecker Edberg Rick Pearson Mark Smith current world champion Skip MillerDJP flew unmodified manufactured kits above can act basis forming other soaring groups should further remind think con test circuit cross-country trek can local local clubs would organize groups newcomer soaring column think contests have thermals under belts may re-emphasized current World Champion Skip Miller started RC Soaring just little over year ago kinda makes us want take up bowling Bumblebees cannot fly Some years ago group aerodynamicists got together proved bee could fly because its wing loading few other factors explained bee didnt know little hummer went out flew anyway few issues back column reported speed record sailplanes 188 mph set Werner Sitar Austria us raised eyebrows column ever got reader reaction Among screamed foul 86 Model Aviation SC2 SC2 made up nine soaring clubs San Fernando Valley Silent two readers sent lengthy reports eight pages long said bum blebee cannot fly Anyway incredible may seem record stands what worth Austrian representa tive World Championship South Africa Karl Wasner witness flight Although acting official gave lengthy description scribe record-breaking flight attempts before electronic timers used runs respect spent time much effort offering criticism may reminded column does serve sounding board ideas opinions However in-depth study records dispute same should directed AMA HQ US aeromodeling representa tive FAI transmissionwhich did case Sitar record Dan Pruss Rt 2 Box 490 Plainfield IL 60544 FF Duration/Meuser continued page 43 Ruff Stuff Thats trade name some rather special sandpaper put out Ap plied Design Corporation marketed through Sig Basically plain old Nor ton Garnet Finishing Paper Whats special about backing back coating no-lickum stickumself adhesive coating preferprotected peel-off paper covering Cut oversize peel off peel-off backing stick object choice trim edges object choice might dowel proper size fillets favorite scale model gently arched stick putting undercamber Wake field prop flat surface large enough accept full-size sheet latter will handier might think example sanding down indoor glider wing sandpaper-coated surface pre vents wing slipping around sanding second sand paper-covered sheet balsa too will come handy truing up end rib wing panel just prior making dihedral joint modeling applica tions better have sandpaper nailed down move model part back forth over usual method holding part sloshing sandpaper back forth Try see sheets standard 9 X 1 size Sigs price package 36 sheets12 medium bOA 12 fine 180A 12 super-fine 280Ais $14 about 30% would pay plain garnet paper Perhaps dealer will sell sheet ask him nicely Jones Balsa Stripper Revisited last Julys issue mentioned nifty balsa stripper available Jim Jones $1080 postpaid 36631 Ledgestone Mt Clem pcfm Industries Inc 7060 HOLLYWOOD BLVD LOS ANGELES CA 90028 ens MI 48043 newer ones cali brated increments 005 inches 01 mm Thats right both inch metric calibrations provided already have earlier non-calibrated models Jim will send stick-on scale return stamped selfaddressed envelope have difficulty finding double-edge razor blades will snap properly provide sharp cutting point send another $5 Jim hundred postpaid can shave like Jim says doesnt mind Glue Gun Home craftsmen come two varieties true craftsman does better job professionals al though takes him three times long b tool freak owns tool known man doesnt know use wouldnt have anything use did know Im too humble classify myself seem have quite collection goofy tools come two varieties couldnt see could live owning never used after bought b thought would never have use bought anyhow now use almost daily seven-dollar hot-melt glue gun latter Mine Thermogrip manufactured USM Corporation August1977 87 iH CAYmAf/m/ TRY THESE OTHER CONTEST QUALITY PRODUCTS FROM PACTRA Aura I 50191 HOT FUEL PROOF DOPE EXCLUSIVE LOWHEAT AWARD WINNINGCOVERING FOR GlUMFilm HIGLOSS AND FLATFOAM & BALSA FINISHES AVAILABLEFLYING MODELS IN OVER 36 COLORSflexible ble IN BRUSH AND SPRAYfuel proof lightweight
Edition: Model Aviation - 1977/08
Page Numbers: 25, 86, 87
p Soaring EJ Dan Pruss DOWN DALLAS WAY Cecil Haga designer Legionair comes idea club has tried local level Cecil claims has good reaction satisfying results What club has done order find common denominator various wingspan sailplanes sizes could fly class simply set up duration task based upon planes wing span basis inch wing span duration would four seconds Simply put 140-in Legionair would have duration task 140 0 seconds 9 mm 20 see lit tle Square Soar 72-in span would have task 72 X 4 288 seconds 4 mm 48 sec seems days air calm smaller ships would have slight edge yet would still competitive strong winds Individual scores based percent age flight time versus target time based wing span Landing points same depending what landing system used above might cure-all one-class contest system worth try Some feel wing area wing loading should factor con sider wing span Maybe tape rule across wing tips simple enough step might right direction give system try Elmirathe price success As contests get successful first step proper managing set maxi mum number contests fre quency gents Harris Hill wish pass word will case annual HHL/D get-together September deadline pre-register ing August 1 contestants should send forms listing possible fre quencies can fly Larry Taylor PO Box 265 Newark Valley NY 13811 contest dates year Septem ber 10 11 sad note club housethat log cabin-like structure sheltered fliers during past contests rain cold weather sessionsburned down last spring structure built 30s much part Harris Hill full-scale soaring California Statistics bear out fact nearly third nations soaring enthusiasts live California greater part live Los Angeles area Good enough reason form sociation soaring clubs mentioned few columns back other good reasons following sent Rick Norwood SC2 Southern California Soaring Clubs What SC2 SC2 got its initial start January 1974 under guidance Mike Fox prime purpose behind its conception put large contests throughout year minimum driving distance Because back early 1974 gas crunch necessity cut driving time very important concept received very well has continued since August1977 25 Continued page 86 Above Len Cooke displays follow-through form launches Weird plans Plying Models June 1975 Below Modifications Dick Sarpolus design include spoilers tip fins appear Whitcomb winglets described month Bob Meuser MACS Show Jack Swanson flaw New ra S several times during weekend affair thrilling hundreds spectators fighting 10-knot winds Photo Joel Rieman others Pruss can turn quite tightly under power such tight turn isnt realistic article has described competition type free-flight electricpowered scale model design flexible enough some other applications example 020 glow engine would work very well would probably increase performance due its lighter weight interested contest flying stabilizer could enlarged about 15 per cent easier adjusting cabin area quite roomy could easily hold radio control set 049 glow engine light radio T-2 would lend itself well RC confined space flying Regardless whether build du plicate electric-powered free-flight model suggested modifica tions will rewarded realistic flying replica important historic airplanes As model cruises slowly majestically overhead will reminded inspiring feats American aeronautical herit age RC Soaring/Pruss continued page 25 Flyers SFVSF Soaring Union Los Angeles SU LA Pacific Soaring Associa tion PSA Pasadena Soaring Society PSS Harbor Soaring Society HSS Torrey Pines Gulls TPG Silent Wing Soaring ssociation SWSA Model Avi ation Radio Kontrol Society MARKS Note eight listed hereDJP does SC2 work Clubs long SC2 desire hold contest assigned month hold contest Usually seven contests through out year standardized entry fee $350 per contestant $250 goes club hosting contest $1 SC2 organization $1 used operating expenses raffle prizes yearend awards year-end champion deter mined contest has raw score 3000 points entire contest normalized 1000 points cumulative total normalized scores used year-end championship points con testants best five out seven contests counted What does championship prove obvious person wins championship has flown consistently throughout year 1976 top three finishers flew same plane year Flying same plane getting know has key other championship performances witness Mrlik Heithecker Edberg Rick Pearson Mark Smith current world champion Skip MillerDJP flew unmodified manufactured kits above can act basis forming other soaring groups should further remind think con test circuit cross-country trek can local local clubs would organize groups newcomer soaring column think contests have thermals under belts may re-emphasized current World Champion Skip Miller started RC Soaring just little over year ago kinda makes us want take up bowling Bumblebees cannot fly Some years ago group aerodynamicists got together proved bee could fly because its wing loading few other factors explained bee didnt know little hummer went out flew anyway few issues back column reported speed record sailplanes 188 mph set Werner Sitar Austria us raised eyebrows column ever got reader reaction Among screamed foul 86 Model Aviation SC2 SC2 made up nine soaring clubs San Fernando Valley Silent two readers sent lengthy reports eight pages long said bum blebee cannot fly Anyway incredible may seem record stands what worth Austrian representa tive World Championship South Africa Karl Wasner witness flight Although acting official gave lengthy description scribe record-breaking flight attempts before electronic timers used runs respect spent time much effort offering criticism may reminded column does serve sounding board ideas opinions However in-depth study records dispute same should directed AMA HQ US aeromodeling representa tive FAI transmissionwhich did case Sitar record Dan Pruss Rt 2 Box 490 Plainfield IL 60544 FF Duration/Meuser continued page 43 Ruff Stuff Thats trade name some rather special sandpaper put out Ap plied Design Corporation marketed through Sig Basically plain old Nor ton Garnet Finishing Paper Whats special about backing back coating no-lickum stickumself adhesive coating preferprotected peel-off paper covering Cut oversize peel off peel-off backing stick object choice trim edges object choice might dowel proper size fillets favorite scale model gently arched stick putting undercamber Wake field prop flat surface large enough accept full-size sheet latter will handier might think example sanding down indoor glider wing sandpaper-coated surface pre vents wing slipping around sanding second sand paper-covered sheet balsa too will come handy truing up end rib wing panel just prior making dihedral joint modeling applica tions better have sandpaper nailed down move model part back forth over usual method holding part sloshing sandpaper back forth Try see sheets standard 9 X 1 size Sigs price package 36 sheets12 medium bOA 12 fine 180A 12 super-fine 280Ais $14 about 30% would pay plain garnet paper Perhaps dealer will sell sheet ask him nicely Jones Balsa Stripper Revisited last Julys issue mentioned nifty balsa stripper available Jim Jones $1080 postpaid 36631 Ledgestone Mt Clem pcfm Industries Inc 7060 HOLLYWOOD BLVD LOS ANGELES CA 90028 ens MI 48043 newer ones cali brated increments 005 inches 01 mm Thats right both inch metric calibrations provided already have earlier non-calibrated models Jim will send stick-on scale return stamped selfaddressed envelope have difficulty finding double-edge razor blades will snap properly provide sharp cutting point send another $5 Jim hundred postpaid can shave like Jim says doesnt mind Glue Gun Home craftsmen come two varieties true craftsman does better job professionals al though takes him three times long b tool freak owns tool known man doesnt know use wouldnt have anything use did know Im too humble classify myself seem have quite collection goofy tools come two varieties couldnt see could live owning never used after bought b thought would never have use bought anyhow now use almost daily seven-dollar hot-melt glue gun latter Mine Thermogrip manufactured USM Corporation August1977 87 iH CAYmAf/m/ TRY THESE OTHER CONTEST QUALITY PRODUCTS FROM PACTRA Aura I 50191 HOT FUEL PROOF DOPE EXCLUSIVE LOWHEAT AWARD WINNINGCOVERING FOR GlUMFilm HIGLOSS AND FLATFOAM & BALSA FINISHES AVAILABLEFLYING MODELS IN OVER 36 COLORSflexible ble IN BRUSH AND SPRAYfuel proof lightweight
