FREE FLIGHT DURATION FEW MONTHS BACK featured some photographs Matt Gewains new Smart System electronic timer FlA towline glider see Model Aviation November 1996 Now noted Ukrainian glider flier Victor Stamovs turn After Team Selection Finals Lost Hills Victor letting several American glider fliers test-fly new electronic-timerequipped model outside looked much like familiar mechanical-timer model giveaway tiny disc mounted vertically rear tailboom disc actually rear pulley pull-pull cable-actuated control system moves stab its various settings tow bunt glide Matt Gewains system uses carbon-fiber pushrod move stab stab hammer attached disc stab move up down disc rotates DT disc rotates farther until small pin pushes hammer back out way allowing stab pop Up front model neatly concealed removable hatch real heart system Like Matt s system Victors uses servo move controls Victors model servo fitted pulley move cable pullpull system Concentric pulley notched disc used release two conventional arms operates wing wiggler other shuts timer off after DT conserve battery rudder tapped off movement swinging towhook circle-tow system what advantages electronic system Certainly timing various functions can much precise conventional mechanical timers DT can mean popping stab exactly three minutes rather having set five ten seconds over would safe mechanical timer Other settings such bunt duration can also programmed accurately 1Ao second impossible mechanical timer amount movement accurate repeatable An important advantage electronic system ability keep track adjustments different flying conditions Instead notebook worse memory use Casio pocket-sized digital diary record exact settings different weather conditions make change simply hook up model download desired settings diarys memory would like know about new system check six-time US FlA team member Randy Weiler 25 Winterhaven Irvine CA 92614 FFn Line Free Flight News awardwinning monthly British newsletter now has web site According editor Ian Kaynes web page will include complete list international free flight contests World Cup standings much address http/ourworldcompuservecomlhomepage/ kaynes wish contact FFn oldfashioned way mailing address Free Flight News 7 Ashley Road Farnborough Hants England GUI4 7EZ years subscription airmail $33 $62 two years Payment may made international postal money order payable Free Flight News Deirin last Nats Bob Hatschek showed neat front end uses Moffett other small rubber models Its simple reverse-Montreal stop works motor torque tension allows tightly-stretched motor consistent prop folds Thats very important highaspect-ratio props Bob uses interesting item use DuPont Detrin plastic hub Since its specific Victor Stamovs electronic-timer-equipped FlA Features now- Small disc actuated pull-pull cables moves stab hammer up almost-universal carbon-fiber D-box wing construction down tow bunt glide Disc rotates DT March 1997 131 servo activates pull-pull system controls stabilizer circle tow bunt glide DT Details text gravity lower aluminum can make same part lighter using Deirin keep weight sdme make part bigger last part might seem like worthwhile idea really fighting weight making part out aluminum often end up very thin walls difficult machine can somewhat fragile Using lighter Delrin walls can thicker easier make Bob Hatscheks Coupe front end photographs good example Delrin widely available local plastics suppliers have large minimum quantities small quantities Delrin rod sheet try Small Parts Inc Box 4650 Miami Lakes FL 330 14-0650 Tel 305 558-1255 offer Delrin rod 1/8 inch 3 inches diameter sheet inch 1 inch thick Delrin available natural pale cream black Costs one-foot lengths some representatives sizes natural 1/g inch $85 $102 /2 inch $141 1 inch $890 1 /2 inch $1888 black runs few cents available sizes natural one-foot-square sheet 1/g thick $1979 6 Small Parts catalog treasure trove other useful items such nylon stainless steel machine screws small 080 metric drill bits screws aluminum sheet rod Dekin can drilled tapped machined just like aluminum Unlike some other plastics Ive never trouble Delrin melting being turned drilled However Delrin stiff aluminum careful using part subject bending loads such stab hammer Bobs nice sketch hub came Flyoff Round 23 Fall 1993 Flyoff quarterly newsletter Brooklyn Skyscrapers subscribe send $10 check payable Skyscrapers RL Hatschek 316 Grosvenor St Douglaston NY 113631011 Check Bob hes editor about availability back issues $2 --IW I-lard alum driver MW spring 078 shaft FIaL notch setscrew 2 places nfl U bearing Brass bushTurned Deirin nose Alum clevisKey 132 Model Aviation ok Sketch Fl yaff shows construction hub Bob Hatscheks neat front end small rubber models uses Hatschek nose block turned DuPont Delrin Carbon-fiber simple reverse-Montreal stop accurate folds rod blade root allows easy pitch adjustment
Edition: Model Aviation - 1997/03
Page Numbers: 131, 132
Edition: Model Aviation - 1997/03
Page Numbers: 131, 132
FREE FLIGHT DURATION FEW MONTHS BACK featured some photographs Matt Gewains new Smart System electronic timer FlA towline glider see Model Aviation November 1996 Now noted Ukrainian glider flier Victor Stamovs turn After Team Selection Finals Lost Hills Victor letting several American glider fliers test-fly new electronic-timerequipped model outside looked much like familiar mechanical-timer model giveaway tiny disc mounted vertically rear tailboom disc actually rear pulley pull-pull cable-actuated control system moves stab its various settings tow bunt glide Matt Gewains system uses carbon-fiber pushrod move stab stab hammer attached disc stab move up down disc rotates DT disc rotates farther until small pin pushes hammer back out way allowing stab pop Up front model neatly concealed removable hatch real heart system Like Matt s system Victors uses servo move controls Victors model servo fitted pulley move cable pullpull system Concentric pulley notched disc used release two conventional arms operates wing wiggler other shuts timer off after DT conserve battery rudder tapped off movement swinging towhook circle-tow system what advantages electronic system Certainly timing various functions can much precise conventional mechanical timers DT can mean popping stab exactly three minutes rather having set five ten seconds over would safe mechanical timer Other settings such bunt duration can also programmed accurately 1Ao second impossible mechanical timer amount movement accurate repeatable An important advantage electronic system ability keep track adjustments different flying conditions Instead notebook worse memory use Casio pocket-sized digital diary record exact settings different weather conditions make change simply hook up model download desired settings diarys memory would like know about new system check six-time US FlA team member Randy Weiler 25 Winterhaven Irvine CA 92614 FFn Line Free Flight News awardwinning monthly British newsletter now has web site According editor Ian Kaynes web page will include complete list international free flight contests World Cup standings much address http/ourworldcompuservecomlhomepage/ kaynes wish contact FFn oldfashioned way mailing address Free Flight News 7 Ashley Road Farnborough Hants England GUI4 7EZ years subscription airmail $33 $62 two years Payment may made international postal money order payable Free Flight News Deirin last Nats Bob Hatschek showed neat front end uses Moffett other small rubber models Its simple reverse-Montreal stop works motor torque tension allows tightly-stretched motor consistent prop folds Thats very important highaspect-ratio props Bob uses interesting item use DuPont Detrin plastic hub Since its specific Victor Stamovs electronic-timer-equipped FlA Features now- Small disc actuated pull-pull cables moves stab hammer up almost-universal carbon-fiber D-box wing construction down tow bunt glide Disc rotates DT March 1997 131 servo activates pull-pull system controls stabilizer circle tow bunt glide DT Details text gravity lower aluminum can make same part lighter using Deirin keep weight sdme make part bigger last part might seem like worthwhile idea really fighting weight making part out aluminum often end up very thin walls difficult machine can somewhat fragile Using lighter Delrin walls can thicker easier make Bob Hatscheks Coupe front end photographs good example Delrin widely available local plastics suppliers have large minimum quantities small quantities Delrin rod sheet try Small Parts Inc Box 4650 Miami Lakes FL 330 14-0650 Tel 305 558-1255 offer Delrin rod 1/8 inch 3 inches diameter sheet inch 1 inch thick Delrin available natural pale cream black Costs one-foot lengths some representatives sizes natural 1/g inch $85 $102 /2 inch $141 1 inch $890 1 /2 inch $1888 black runs few cents available sizes natural one-foot-square sheet 1/g thick $1979 6 Small Parts catalog treasure trove other useful items such nylon stainless steel machine screws small 080 metric drill bits screws aluminum sheet rod Dekin can drilled tapped machined just like aluminum Unlike some other plastics Ive never trouble Delrin melting being turned drilled However Delrin stiff aluminum careful using part subject bending loads such stab hammer Bobs nice sketch hub came Flyoff Round 23 Fall 1993 Flyoff quarterly newsletter Brooklyn Skyscrapers subscribe send $10 check payable Skyscrapers RL Hatschek 316 Grosvenor St Douglaston NY 113631011 Check Bob hes editor about availability back issues $2 --IW I-lard alum driver MW spring 078 shaft FIaL notch setscrew 2 places nfl U bearing Brass bushTurned Deirin nose Alum clevisKey 132 Model Aviation ok Sketch Fl yaff shows construction hub Bob Hatscheks neat front end small rubber models uses Hatschek nose block turned DuPont Delrin Carbon-fiber simple reverse-Montreal stop accurate folds rod blade root allows easy pitch adjustment
