Radio Control Sport/Aerobatics Ron Van Pulte ALMOST ALL us use nickel-cadmium batteries airborne battery packs As usually tbe case anything common usage different ways tbat used abused treatment nickelcadmium batteries varies about mucb individual modelers vary Im sure know least guy will try get away flying recbarging batteries because didnt fly tbe previous weekend flight two Tben theres guy wbo has batteries charge week flying session flying session Nickel-cadmium batteries have attrib uted sorts mysterious characteristics such memory can carry hours conversation almost RCer care feeding nickel cadmium bat teries Much tbe discussion about caused unusual discharge characteris tics voltage under load indication condition battery unless voltage very low because output voltage UC CANOPY CUP APP AT [0REAR Li SCALE 3/IA SPINE B PA SEE P arewIL SOFT BALSA Scallop aileroos elevator complete eFfect atd add op inter NOONT TO HATCH side BAT PLANE Boditicatrono little StiR Oraren dave pastor People grow tired so-called look-alikes often dig clever modstake Bat-Plane ver sion Little Stik Dave Pastor Stiks incidentally already conspicuously varied airplaneseven manufacturing levels wonderful what good aircraft proportions painstaking trim job realism Calvin Stelly poses Webra BH Tiger Tail nearly flat over useful life bat tery crashes have blamed battery failure some pilots almost popular blaming crash radio failure think substantial number crashes blame battery failure really pilot error air workshop Improper care bat teries workshop may result serious crash forgetting way push stick Unfortunately characteristics improp erly cared battery pack often same battery pack getting ready fail several things RC modelers can avoid battery problems should always charge batteries before flying re gardless little flying done during previous flying session good idea discharge battery pack wasnt used very much way has worked leave radio 3 4 hours course can use commercially available systems like Flite Life precautions will have little effect actual battery failure common mode battery failure have observed short circuit through cell cell shows no volt age resistance 2-3 ohms Fortunately type failure usually detectable ground air generally doesnt cause crash new 3-wire servo systems dI4 AVts- 5 ervos slow down observant modeler can usually spot what has happened unless pack has used lot enough volt age run receiver get airplane back ground Lately have noticed nickel cadmium cells dead before ever used Since cells usually reputable firm has quite shock explanation cause new cell failure guess can come up goes like new hand-held calculators came market great popularity substa tially increased demand nickel-cad mium batteries power push manufacture batteries caused production quality control suffer After can sell make bother high quality control Besides calculators dont crash cell fails can always re placed free calculator under warranty Does anyone else have better explanation As contest season approaches us planning head Out contest trail As habit plan encourage others join going contests competing what its about never fly better contest excitement putting ability line against others has effect improv ing concentration flying skill Besides its great sit around talk other contest go-ers have memories plan have contests Ill treasure life have never competed contest Fun Fly great way get started Fun Fly events should designed appeal fliers ability levels require competition airplane typical list events might Le Mans Start Most Spins Slalom Taxi Most Loops Abbreviated Pattern Le Mans Start flier places air plane runway ready go except prop nut propeller removed flier carries prop nut balanced end starting line airplane installs prop nut starts engine takes off short time possible continued page 71 22 Model Aviation CL Scale continued page 27 weight #2 rotates tilts horizontal line Lower other wing tip same Counter weight rotates back may necessary ad just amount weight used counter weight depending upon model instrument Bill used 007 aluminum frame 010 ABS Plastic Bezel Bill also made turn hank instru ments work using small hall bearing bent piece aluminum tubing tiled off shown Diagram #2 compass works some degree using counter weight system make rotate Moveable needles also used installing wire behind instrument face bit longer act counter weight itself Ralph Burnstein another past member US C/L Scale Team building F4B-4 biplane years Nationals Ralph has come up some excellent detail effects new construction features plane wire cable trailing edges will give model very true-to-scale appearance Other operation features Ralph has worked out full shock landing gear split axle swiveling spring tail wheel hook bomb working lights Ralphs plane sounds like very exciting addition NATs year better look Out Send questions comments CL Scale Mike Stolt 118 Fast Wheeler St North Mankato Minn 56001 RC Aerobatics/Sport continued page 22 Most Spins event starts soon airplane breaks ground pilot has 90 sec onds spins possible recall Greg Kieliszek 2nd Class 1974 Nats getting 61 spins Rimfire/Webra 40 RC combination next flight starts Out Slalom Taxi An L-shaped pattern balloons flags styrene blocks laid out runway about 10 feet apart pilot tries take airplane through course minimum time Time added missing gate hitting pylon airplane taken off Most Loops starts pilot ready 1oops air plane times can 30 seconds events getting pilot ready competition getting him used pressure excitement like pattern contest Abbreviated Pattern Half dozen maneuvers Class pattern selected might include Take-off Straight Flight Out Procedure Turn Straight Flight Back Immelman Turn Landing Perfection Generally judges coach pilots tell what expected really expe rienced pilots often have good grace fly maneuvers inverted other events can cluded meet basic Fun Fly require ments fun dangerous airplanes spectators requiring special airplane Perhaps full blown pattern competition isnt what youre interested may just find out competing Fun Fly what youve looking Try it. past two months Ive testing new item market called Glo-Daptor C-C Avionics black box attach 12-volt starter battery two wires clips provided attach starter cord provided glow plug small wrench fits side box adjusted make glow plug function normally attached 12-volt battery attached glow plug Glo-Dap tor draws about 3 ma dont have disconnect youre flying field works great like might too Have ever heard T-nut have using years might like make up set yourself radio manufacturers have telling us tighten down servo grommets vibration isolation provided grommet will lost works fine using commercial tray has hollow post fits through grommet have push servo posts place washers top groinmets run screws down posts ever like make own servo trays 1/8 plywood T-nut may what need Buy some 1/8 aluminum pop rivets about 1/4 long remove nails File down until just fit through servo grommet tap 2-56 tap Drill 5/64 holes tray servo mount Push T-nuts grommets top screw 2-56 binding head screws up bottom board Now can tighten screws tight like compressing grommet way can get 2-56 binding head screws radioelectronics parts stores us pattern competition fliers now have organization analogous what free-fighters U-controllers pylon racers have years National Society Radio Control Aerobatics alive well Thanks Rhett Miller Sr NSRCA its way toward doing things pat tern fliers through AMA organization has newsletterthe K Factor new president Joe Bridi new Constitutionpublished March K Factor Only $4/year will make member join us write secre tary/treasurer Mrs Sally Brown 8534 Huddleston Dr Cincinatti Ohio 45236 have info pictures drawings column address Major Ron Van Putte 12 Connie Dr Shalimar Fla 32579 Nominal payment made drawings pix used column LEADERSHIP NO SERIOUS COLLECtION COMPLETE WITHOUT AUTHENTIC ROLLS LINE 0 MODE DOM oooReeoo fieydoo[IoppeoIoyo Ihyoolooodhogeoi, yoII oIIy oh oooy doo Theyo doigiod ooh U oeicoIoo,o, od deol oly dd,o, ood lobo loooool CIeoIood-Aoigod oode oe 0 sooIds host ooheocdesgosottdo,oooosyboifyooosoor1T II, bos So yo, hobby ho, tooth, Ii, boo So good osoolly sooeoflot costly todoy oche 55 do,, 90 os So os 51 did 0 itoOs Enoooos VoiIyMssny CooI~6 P1, 1 mm August1975 71 FINE WISE BACKGROUND7 SLACK WEIGHT2 COUNTER WEIGHT HORIZONTAL LINE WHITE ACETATE BEZEL ARTIFIC AL ZON LA STEEL BA -\ w LALOMINAM TJhING FRONT FED OFF TURN 5 RANKDiA 2
Edition: Model Aviation - 1975/08
Page Numbers: 22, 71
Edition: Model Aviation - 1975/08
Page Numbers: 22, 71
Radio Control Sport/Aerobatics Ron Van Pulte ALMOST ALL us use nickel-cadmium batteries airborne battery packs As usually tbe case anything common usage different ways tbat used abused treatment nickelcadmium batteries varies about mucb individual modelers vary Im sure know least guy will try get away flying recbarging batteries because didnt fly tbe previous weekend flight two Tben theres guy wbo has batteries charge week flying session flying session Nickel-cadmium batteries have attrib uted sorts mysterious characteristics such memory can carry hours conversation almost RCer care feeding nickel cadmium bat teries Much tbe discussion about caused unusual discharge characteris tics voltage under load indication condition battery unless voltage very low because output voltage UC CANOPY CUP APP AT [0REAR Li SCALE 3/IA SPINE B PA SEE P arewIL SOFT BALSA Scallop aileroos elevator complete eFfect atd add op inter NOONT TO HATCH side BAT PLANE Boditicatrono little StiR Oraren dave pastor People grow tired so-called look-alikes often dig clever modstake Bat-Plane ver sion Little Stik Dave Pastor Stiks incidentally already conspicuously varied airplaneseven manufacturing levels wonderful what good aircraft proportions painstaking trim job realism Calvin Stelly poses Webra BH Tiger Tail nearly flat over useful life bat tery crashes have blamed battery failure some pilots almost popular blaming crash radio failure think substantial number crashes blame battery failure really pilot error air workshop Improper care bat teries workshop may result serious crash forgetting way push stick Unfortunately characteristics improp erly cared battery pack often same battery pack getting ready fail several things RC modelers can avoid battery problems should always charge batteries before flying re gardless little flying done during previous flying session good idea discharge battery pack wasnt used very much way has worked leave radio 3 4 hours course can use commercially available systems like Flite Life precautions will have little effect actual battery failure common mode battery failure have observed short circuit through cell cell shows no volt age resistance 2-3 ohms Fortunately type failure usually detectable ground air generally doesnt cause crash new 3-wire servo systems dI4 AVts- 5 ervos slow down observant modeler can usually spot what has happened unless pack has used lot enough volt age run receiver get airplane back ground Lately have noticed nickel cadmium cells dead before ever used Since cells usually reputable firm has quite shock explanation cause new cell failure guess can come up goes like new hand-held calculators came market great popularity substa tially increased demand nickel-cad mium batteries power push manufacture batteries caused production quality control suffer After can sell make bother high quality control Besides calculators dont crash cell fails can always re placed free calculator under warranty Does anyone else have better explanation As contest season approaches us planning head Out contest trail As habit plan encourage others join going contests competing what its about never fly better contest excitement putting ability line against others has effect improv ing concentration flying skill Besides its great sit around talk other contest go-ers have memories plan have contests Ill treasure life have never competed contest Fun Fly great way get started Fun Fly events should designed appeal fliers ability levels require competition airplane typical list events might Le Mans Start Most Spins Slalom Taxi Most Loops Abbreviated Pattern Le Mans Start flier places air plane runway ready go except prop nut propeller removed flier carries prop nut balanced end starting line airplane installs prop nut starts engine takes off short time possible continued page 71 22 Model Aviation CL Scale continued page 27 weight #2 rotates tilts horizontal line Lower other wing tip same Counter weight rotates back may necessary ad just amount weight used counter weight depending upon model instrument Bill used 007 aluminum frame 010 ABS Plastic Bezel Bill also made turn hank instru ments work using small hall bearing bent piece aluminum tubing tiled off shown Diagram #2 compass works some degree using counter weight system make rotate Moveable needles also used installing wire behind instrument face bit longer act counter weight itself Ralph Burnstein another past member US C/L Scale Team building F4B-4 biplane years Nationals Ralph has come up some excellent detail effects new construction features plane wire cable trailing edges will give model very true-to-scale appearance Other operation features Ralph has worked out full shock landing gear split axle swiveling spring tail wheel hook bomb working lights Ralphs plane sounds like very exciting addition NATs year better look Out Send questions comments CL Scale Mike Stolt 118 Fast Wheeler St North Mankato Minn 56001 RC Aerobatics/Sport continued page 22 Most Spins event starts soon airplane breaks ground pilot has 90 sec onds spins possible recall Greg Kieliszek 2nd Class 1974 Nats getting 61 spins Rimfire/Webra 40 RC combination next flight starts Out Slalom Taxi An L-shaped pattern balloons flags styrene blocks laid out runway about 10 feet apart pilot tries take airplane through course minimum time Time added missing gate hitting pylon airplane taken off Most Loops starts pilot ready 1oops air plane times can 30 seconds events getting pilot ready competition getting him used pressure excitement like pattern contest Abbreviated Pattern Half dozen maneuvers Class pattern selected might include Take-off Straight Flight Out Procedure Turn Straight Flight Back Immelman Turn Landing Perfection Generally judges coach pilots tell what expected really expe rienced pilots often have good grace fly maneuvers inverted other events can cluded meet basic Fun Fly require ments fun dangerous airplanes spectators requiring special airplane Perhaps full blown pattern competition isnt what youre interested may just find out competing Fun Fly what youve looking Try it. past two months Ive testing new item market called Glo-Daptor C-C Avionics black box attach 12-volt starter battery two wires clips provided attach starter cord provided glow plug small wrench fits side box adjusted make glow plug function normally attached 12-volt battery attached glow plug Glo-Dap tor draws about 3 ma dont have disconnect youre flying field works great like might too Have ever heard T-nut have using years might like make up set yourself radio manufacturers have telling us tighten down servo grommets vibration isolation provided grommet will lost works fine using commercial tray has hollow post fits through grommet have push servo posts place washers top groinmets run screws down posts ever like make own servo trays 1/8 plywood T-nut may what need Buy some 1/8 aluminum pop rivets about 1/4 long remove nails File down until just fit through servo grommet tap 2-56 tap Drill 5/64 holes tray servo mount Push T-nuts grommets top screw 2-56 binding head screws up bottom board Now can tighten screws tight like compressing grommet way can get 2-56 binding head screws radioelectronics parts stores us pattern competition fliers now have organization analogous what free-fighters U-controllers pylon racers have years National Society Radio Control Aerobatics alive well Thanks Rhett Miller Sr NSRCA its way toward doing things pat tern fliers through AMA organization has newsletterthe K Factor new president Joe Bridi new Constitutionpublished March K Factor Only $4/year will make member join us write secre tary/treasurer Mrs Sally Brown 8534 Huddleston Dr Cincinatti Ohio 45236 have info pictures drawings column address Major Ron Van Putte 12 Connie Dr Shalimar Fla 32579 Nominal payment made drawings pix used column LEADERSHIP NO SERIOUS COLLECtION COMPLETE WITHOUT AUTHENTIC ROLLS LINE 0 MODE DOM oooReeoo fieydoo[IoppeoIoyo Ihyoolooodhogeoi, yoII oIIy oh oooy doo Theyo doigiod ooh U oeicoIoo,o, od deol oly dd,o, ood lobo loooool CIeoIood-Aoigod oode oe 0 sooIds host ooheocdesgosottdo,oooosyboifyooosoor1T II, bos So yo, hobby ho, tooth, Ii, boo So good osoolly sooeoflot costly todoy oche 55 do,, 90 os So os 51 did 0 itoOs Enoooos VoiIyMssny CooI~6 P1, 1 mm August1975 71 FINE WISE BACKGROUND7 SLACK WEIGHT2 COUNTER WEIGHT HORIZONTAL LINE WHITE ACETATE BEZEL ARTIFIC AL ZON LA STEEL BA -\ w LALOMINAM TJhING FRONT FED OFF TURN 5 RANKDiA 2
