RADIO CONTROL SOARING fl AE GLIDING IN AUSTRALIA Electric WC incredible yes water really does go down drain backwards thermals dust devils Willy-Willies refer go opposite direction As matter fact have stand head thermal inverted just make airplane go up did take some handlaunch gliders us can testify fact thermals big meaty fact Larry Jolly flying seven-cell duration World Games almost handlaunched plane out required seven seconds motor blast make five minutes get letters Lots lots letters love makes feel popular enables keep touch what guys really want read about Please keep coming apologize dont respond dont correspond well John T Deden Missouri City Texas writes enjoy RC Soaring column very much pardon stupidity have important question. What heck zoom launch John goes explain about hi-start 100 feet rubber 440 feet braided line John numerous fliers over country like yourself dont have opportunity interact other fliers clubs due geographical constraints So zoom launch very tricky utilizing hi-start term usually referred using winch although possible zoom using hi-start using winch very few fliers approach launch correctly letter gives opportunity discuss something have meaning address quite some time now launch dont feel enough fliers take launch seriously enough see way get plane air thats about other hand approach launch very differently very important part flight read ads RCSD discuss well particular glider flies computer dont fly computer fly real world 5 10 percent extra launch altitude will almost always beat extra percent two max LID minimum sink contest assuming positively no-lift conditions longest times will almost always achieved guy gal launches highest Now have established need optimize launch technique lets discuss need assume couple things simplicitys sake will assume standard club winch retriever will also assume use braided nylon line virtually no stretch need airplane can take rigors hard launch minimum wing flex importantexcessive wing flex costs energy Almost contest models market will Assuming have things lets launch sailplane should set up pull hard possible tipstalling will take few launches get right once right airplane will rotate immediately out hand give appearance going almost vertical obtain launch setup very aggressive droop whole trailing edge flaps ailerons about 1/4 inch measured trailing edge add up elevator accordingly until model begins unstable just back off couple percent call good Once model stable tow certain maintain good line tension Line tension energy dont necessarily need stand pedal Remember amount line dont suck unnecessarily can added launch height brief note learn use rudder steer model up tow will handle much better minimal control input Now comes hard part zoom see people actually lose altitude part launch could possibly believe zoom use winch accelerate model maximum speed use speed gain altitude effectively typically will initiate zoom model has practically stalled winch line approximately 700 turnaround straight over point take out launch camber nose over directly turnaround Too much will hook line enough wont gain max acceleration winch long should dive very dependent winch power weight aircraft lighter model quickly will accelerate Therefore making optimum time bucket much shorter heavier model acceleration winch will slower will need go toward turnaround little longer cant give May1995 71 F5B World Champs top three Rudy Freudenthaler left Jerry Bridgeman center W Schaffer right US F5 Team left Bridgeman Neu Sliff Condon Jolly Perkins Absent photo Keith Finkenbiner directly toward stake will take some practice can obtain slightly higher launches using technique Thank John letter Last certainly least have recently opportunity review video related sport 1994 International Slope Race Tallant Productions started out slope racer love race although havent much time lately guys Tallant Productions did fantastic job bringing high-speed action slope racing living room racer just want know what racing like fantastic video wingtip-to-wingtip racing some beautiful footage camera-plane whole thing narrated Mark Allen guru himself short cant go wrong video can contact Wayne Tallant Productions 6922 Hutchins Ave Sebastopol CA 95472-4539 Tel 707 823-3534 * specific amount time too variables Now pull up Take airplane up up up Aerodynamicists will probably tell you should pull hard go straight vertical am going disagree little bit Verticality hard obtain consistently will often climb out directly wind approximately 750 angle easier read energy airplane nose over appropriate time stalling Now little practice will able outlaunch competition what going extra altitude guess will have work aerobatics Cool Johns question zoom hi-start Yes possible can get slightlybut significantlyhigher doing little bit wind will really help quite limited power Now virtually same thing initiate zoom line about 450600 stake Line tension source power must use have Dont zoom vertically will certainly hook line Zoom 74 Model Aviation Australia real kangaroos big middle thats Steve French team took upon themselves erect monument less-than-pristine primary racer
Edition: Model Aviation - 1995/05
Page Numbers: 71, 74
RADIO CONTROL SOARING fl AE GLIDING IN AUSTRALIA Electric WC incredible yes water really does go down drain backwards thermals dust devils Willy-Willies refer go opposite direction As matter fact have stand head thermal inverted just make airplane go up did take some handlaunch gliders us can testify fact thermals big meaty fact Larry Jolly flying seven-cell duration World Games almost handlaunched plane out required seven seconds motor blast make five minutes get letters Lots lots letters love makes feel popular enables keep touch what guys really want read about Please keep coming apologize dont respond dont correspond well John T Deden Missouri City Texas writes enjoy RC Soaring column very much pardon stupidity have important question. What heck zoom launch John goes explain about hi-start 100 feet rubber 440 feet braided line John numerous fliers over country like yourself dont have opportunity interact other fliers clubs due geographical constraints So zoom launch very tricky utilizing hi-start term usually referred using winch although possible zoom using hi-start using winch very few fliers approach launch correctly letter gives opportunity discuss something have meaning address quite some time now launch dont feel enough fliers take launch seriously enough see way get plane air thats about other hand approach launch very differently very important part flight read ads RCSD discuss well particular glider flies computer dont fly computer fly real world 5 10 percent extra launch altitude will almost always beat extra percent two max LID minimum sink contest assuming positively no-lift conditions longest times will almost always achieved guy gal launches highest Now have established need optimize launch technique lets discuss need assume couple things simplicitys sake will assume standard club winch retriever will also assume use braided nylon line virtually no stretch need airplane can take rigors hard launch minimum wing flex importantexcessive wing flex costs energy Almost contest models market will Assuming have things lets launch sailplane should set up pull hard possible tipstalling will take few launches get right once right airplane will rotate immediately out hand give appearance going almost vertical obtain launch setup very aggressive droop whole trailing edge flaps ailerons about 1/4 inch measured trailing edge add up elevator accordingly until model begins unstable just back off couple percent call good Once model stable tow certain maintain good line tension Line tension energy dont necessarily need stand pedal Remember amount line dont suck unnecessarily can added launch height brief note learn use rudder steer model up tow will handle much better minimal control input Now comes hard part zoom see people actually lose altitude part launch could possibly believe zoom use winch accelerate model maximum speed use speed gain altitude effectively typically will initiate zoom model has practically stalled winch line approximately 700 turnaround straight over point take out launch camber nose over directly turnaround Too much will hook line enough wont gain max acceleration winch long should dive very dependent winch power weight aircraft lighter model quickly will accelerate Therefore making optimum time bucket much shorter heavier model acceleration winch will slower will need go toward turnaround little longer cant give May1995 71 F5B World Champs top three Rudy Freudenthaler left Jerry Bridgeman center W Schaffer right US F5 Team left Bridgeman Neu Sliff Condon Jolly Perkins Absent photo Keith Finkenbiner directly toward stake will take some practice can obtain slightly higher launches using technique Thank John letter Last certainly least have recently opportunity review video related sport 1994 International Slope Race Tallant Productions started out slope racer love race although havent much time lately guys Tallant Productions did fantastic job bringing high-speed action slope racing living room racer just want know what racing like fantastic video wingtip-to-wingtip racing some beautiful footage camera-plane whole thing narrated Mark Allen guru himself short cant go wrong video can contact Wayne Tallant Productions 6922 Hutchins Ave Sebastopol CA 95472-4539 Tel 707 823-3534 * specific amount time too variables Now pull up Take airplane up up up Aerodynamicists will probably tell you should pull hard go straight vertical am going disagree little bit Verticality hard obtain consistently will often climb out directly wind approximately 750 angle easier read energy airplane nose over appropriate time stalling Now little practice will able outlaunch competition what going extra altitude guess will have work aerobatics Cool Johns question zoom hi-start Yes possible can get slightlybut significantlyhigher doing little bit wind will really help quite limited power Now virtually same thing initiate zoom line about 450600 stake Line tension source power must use have Dont zoom vertically will certainly hook line Zoom 74 Model Aviation Australia real kangaroos big middle thats Steve French team took upon themselves erect monument less-than-pristine primary racer