Sport-Aerobahcs ORon VanPutte SINCE THE LAST two months have taken up special events regular monthly column will involve catch ing up things happened interim addition items normally cover annual Saturday night banquet Jim Kirkland Memorial contest AMAs District 5 Vice President Jim Mc Neill startled everyone presenting AMA Superior Service Award Eglin Aero Modelers award presented club outstanding example club members demonstrated other AMA clubs way support Jim Kirkland Memorial Contest year club members enthusiastically work widely-known contest despite fact two club members fly RC pattern contests year 54 65 club members worked directly con test participation rate 80% Im proud associated fine group modelers Nats just finished written Im looking forward reading RC Pattern report Bill Simpson Bill well known newsletter editors former editor BIRDS Eye Views newslet ter BIRDS Long Beach Calif largest AMA chartered clubs Bill always wrote interesting newsletter Im sure Nats report will demon strate talents much larger read ing audience early reports participation RC Pattern way down less half number 1976 Nats Dayton Ohio case other events showed similar reduction competitors west coast competitors will probably 20 Model Aviation have wait long time before hosting another Nats past few months have using servo tester built plans Hugh Shoemaker published DCRC Newsletter edited Glenn Scil han may wonder Ron Van Putte would present something electronic na ture rather electronics expert like Continued pag le servo tester designed Hugh Shoe maker works virtually proportional servo Text provides construction information Original design pattern job Joe Friend has folded plywood fuselage Neatly built ahip finished white red-and-silver lace acrylic lacquer Photograph Harry Clayton Simple layout servo tester perforated board small aluminum box parts except connectors local Radio Shack stores unlikely trio just announced intention enter next RC World Championships national team Santa Catalina RC/WC party R Julian Haas Joe Bride Phil Kraft made demonstration exciting potential device means obtaining additional points would limited proto taxi maneuver AMA Scale Sport Scale would doubtful value similar system used 1976 Sweden World Contest USSR contestant Viktor Yougov control-line YAK 18 Eastcraft Lectra Start available three sizes planes boats cars Eastcraft Specialty Products PO Box 25 Irwin Pa 15642 systems weigh between 13 16 ounces planes up 40 ounces cars boats Some additional thoughts about Nats Very impressive muffler buried side cowl modified Stafford Chip munk taken builder Bob Wilde 45 hours construct used avail able space between K&B 61 cowl inside surface plane high gloss finish K&B Super Poxy large amounts pressed-on lettering Dave Platt spent hours inter ested modelers expounding virtues latest Douglas SBD-3 answer ultimate question No isnt kit yet high-speed flight Scale Squad ron member Jerry Ortegos Grumman Tiger Cat positively fearful made numerous passes before judges speeds well excess 100 mph Innumerable planes trouble taxiing high winds particularly tail wheels almost impossible turn down-wind after landing garner all-important proto taxi points Most common complaint absence score sheets previous Nats Fliers like know improve static point scores next meet know ma neuvers paying off flight scores Flight maneuvers could changed between rounds Bob Wischer Rt 1 S-221 Lapham Peak Rd Delafield WI 53018 RC Aerobatics/Van Putte continued page 20 George Myers writes Radio Tech nique reason since servo tester easy build non-expert like no trouble construc tion might encouraged try yourself Another reason George Myers didnt indicate interest pub lishing servo tester wrote him about should interested servo tester Let quote Hugh Shoemakers article Servos tend get toughest beat ing of airborne hardware Con sequently also seem prone failure broken teeth largest casualty After couple years servo motors potentiometersRVP also have tendency become erratic servo checker acts place transmitter receiver simulating output pulse just would units varying control servo checker can simulate movement trans mitter control observe movement servo common check slowly move control watch jerky movements often attributable broken gear tooth scratchy po tentiomenterRVP Another check look bad spot motor armature very slowly rotating control ob serving dead spots servo move ment bought parts except bat tery servo connectors local Radio Shack less $8 parts list Component R2 C1 C2 IC 1 1C2 Aluminum ValueRadio Shack No lOOK271-045 15K271-036 10K pot271-1715 47K271-030 022mf272-1070 555276-1723 74121276-1814 box approx 3A X 2 X 1 knob potentiometer perforated board fit box connectors fit battery servo connectors mounted components except December 1977 83 flit P R 0 D U CT S N C ss DAVISVILLE ROAD OW GROVE PA 19090 659-3900 SUPERSTAR OF STARTERS Sales zooming past 100000 starter thats turned whole world Has higher torque & RPMs heavy duty long life motor instant-on strip switch safety hand guard 2-year guarantee PROP-LOC AT NEW LOW PRICES Hi-tork spinner smoother idle Cone available 1 1 2 2/4 2% 2 white black red Now 80c hardware $110 Two-piece aluminum spinner-ette available 5/16-24 1/4-28 6 mm 7 mm threads Now $110 complete potentiometer small piece perfor ated board just big enough fit small aluminum box potentiometer mounted box shaft sticking out top checker works 4-wire servos servos requiring positive negative pulses Again quoting Hugh Shoe maker will notice 1C2 puts out both positive Pin 6 negative Pin pulse have Kraft Heath Ace Royal servos use positive output Proline servos use negative output red black servo wires white wire have 4-wire servo should connected same color wires battery pack way calibrate servo checker using good servo Simply rotate potentiometer shaft until servo arm neutral tighten nut poten tiometer mounts box out turning potentiometer shaft mount knob point convenient neutral reference point tighten screw lock ing knob potentiometer shaft course have access os cilloscope can also compare servo checker output pulse standard 15 millisecond pulse rotating potenti ometer shaft until match Either way will give satisfactory calibration servo checker has used check local servos have success ful diagnosing presence several faults could have caused airplane crash However occasion Phoenix 6 competition aircraft bad spot armature elevator servo motor airplane stayed outside loop released down elevator control fortunate engine vibration shook motor sufficiently drive servo off bad spot saved airplane Later servo checker could duplicate failure time hope servo checker will enable dis cover servo problems early enough dont have rely luck like did problems club seems face getting club members come meetings course improving pro gram follows business meeting obvious way approach objec tive sometimes isnt enough club newsletters AMA headquarters forwards have gleaned few ideas may help product review product review product review Battery Eliminator Circuit Now can heat glow plug start engine quickly 12-volt starter battery Starts flooded engines easily Does shorten plug life indefinite life uses GE silicon diodes mounted 2 x 2 epoxy glass board $1450 Ron Weiss 11 Bialla P1 Haleuite NY 11743 product review product review product review club get few members out club purchases aircraft kit three four months holds drawing after regular meeting winner ob ligated build kit within reasonable time provide written report pub lication clubs newsletter local aspect kit review valuable club members newsletter editor usually welcomes contributions because make job easier Another idea club purchase popular kit engine accessory sell enough raffle tickets just pay item raffle off club meeting Raffle tickets available club members attend meetings old good ways get people come meetings have show tell new airplanes other projects club members attending meeting get benefits hearing other modelers things involved hobby vote held determine best presentation winner awarded useful prize purchased club club has special way encour age meeting attendance Im sure other club leaders would like hear about Send note describing clubs idea Ill glad see gets published Ron Van Putte 12 Connie Dr Shah mar FL 32579 84 Model Aviation
Edition: Model Aviation - 1977/12
Page Numbers: 20, 83, 84
Sport-Aerobahcs ORon VanPutte SINCE THE LAST two months have taken up special events regular monthly column will involve catch ing up things happened interim addition items normally cover annual Saturday night banquet Jim Kirkland Memorial contest AMAs District 5 Vice President Jim Mc Neill startled everyone presenting AMA Superior Service Award Eglin Aero Modelers award presented club outstanding example club members demonstrated other AMA clubs way support Jim Kirkland Memorial Contest year club members enthusiastically work widely-known contest despite fact two club members fly RC pattern contests year 54 65 club members worked directly con test participation rate 80% Im proud associated fine group modelers Nats just finished written Im looking forward reading RC Pattern report Bill Simpson Bill well known newsletter editors former editor BIRDS Eye Views newslet ter BIRDS Long Beach Calif largest AMA chartered clubs Bill always wrote interesting newsletter Im sure Nats report will demon strate talents much larger read ing audience early reports participation RC Pattern way down less half number 1976 Nats Dayton Ohio case other events showed similar reduction competitors west coast competitors will probably 20 Model Aviation have wait long time before hosting another Nats past few months have using servo tester built plans Hugh Shoemaker published DCRC Newsletter edited Glenn Scil han may wonder Ron Van Putte would present something electronic na ture rather electronics expert like Continued pag le servo tester designed Hugh Shoe maker works virtually proportional servo Text provides construction information Original design pattern job Joe Friend has folded plywood fuselage Neatly built ahip finished white red-and-silver lace acrylic lacquer Photograph Harry Clayton Simple layout servo tester perforated board small aluminum box parts except connectors local Radio Shack stores unlikely trio just announced intention enter next RC World Championships national team Santa Catalina RC/WC party R Julian Haas Joe Bride Phil Kraft made demonstration exciting potential device means obtaining additional points would limited proto taxi maneuver AMA Scale Sport Scale would doubtful value similar system used 1976 Sweden World Contest USSR contestant Viktor Yougov control-line YAK 18 Eastcraft Lectra Start available three sizes planes boats cars Eastcraft Specialty Products PO Box 25 Irwin Pa 15642 systems weigh between 13 16 ounces planes up 40 ounces cars boats Some additional thoughts about Nats Very impressive muffler buried side cowl modified Stafford Chip munk taken builder Bob Wilde 45 hours construct used avail able space between K&B 61 cowl inside surface plane high gloss finish K&B Super Poxy large amounts pressed-on lettering Dave Platt spent hours inter ested modelers expounding virtues latest Douglas SBD-3 answer ultimate question No isnt kit yet high-speed flight Scale Squad ron member Jerry Ortegos Grumman Tiger Cat positively fearful made numerous passes before judges speeds well excess 100 mph Innumerable planes trouble taxiing high winds particularly tail wheels almost impossible turn down-wind after landing garner all-important proto taxi points Most common complaint absence score sheets previous Nats Fliers like know improve static point scores next meet know ma neuvers paying off flight scores Flight maneuvers could changed between rounds Bob Wischer Rt 1 S-221 Lapham Peak Rd Delafield WI 53018 RC Aerobatics/Van Putte continued page 20 George Myers writes Radio Tech nique reason since servo tester easy build non-expert like no trouble construc tion might encouraged try yourself Another reason George Myers didnt indicate interest pub lishing servo tester wrote him about should interested servo tester Let quote Hugh Shoemakers article Servos tend get toughest beat ing of airborne hardware Con sequently also seem prone failure broken teeth largest casualty After couple years servo motors potentiometersRVP also have tendency become erratic servo checker acts place transmitter receiver simulating output pulse just would units varying control servo checker can simulate movement trans mitter control observe movement servo common check slowly move control watch jerky movements often attributable broken gear tooth scratchy po tentiomenterRVP Another check look bad spot motor armature very slowly rotating control ob serving dead spots servo move ment bought parts except bat tery servo connectors local Radio Shack less $8 parts list Component R2 C1 C2 IC 1 1C2 Aluminum ValueRadio Shack No lOOK271-045 15K271-036 10K pot271-1715 47K271-030 022mf272-1070 555276-1723 74121276-1814 box approx 3A X 2 X 1 knob potentiometer perforated board fit box connectors fit battery servo connectors mounted components except December 1977 83 flit P R 0 D U CT S N C ss DAVISVILLE ROAD OW GROVE PA 19090 659-3900 SUPERSTAR OF STARTERS Sales zooming past 100000 starter thats turned whole world Has higher torque & RPMs heavy duty long life motor instant-on strip switch safety hand guard 2-year guarantee PROP-LOC AT NEW LOW PRICES Hi-tork spinner smoother idle Cone available 1 1 2 2/4 2% 2 white black red Now 80c hardware $110 Two-piece aluminum spinner-ette available 5/16-24 1/4-28 6 mm 7 mm threads Now $110 complete potentiometer small piece perfor ated board just big enough fit small aluminum box potentiometer mounted box shaft sticking out top checker works 4-wire servos servos requiring positive negative pulses Again quoting Hugh Shoe maker will notice 1C2 puts out both positive Pin 6 negative Pin pulse have Kraft Heath Ace Royal servos use positive output Proline servos use negative output red black servo wires white wire have 4-wire servo should connected same color wires battery pack way calibrate servo checker using good servo Simply rotate potentiometer shaft until servo arm neutral tighten nut poten tiometer mounts box out turning potentiometer shaft mount knob point convenient neutral reference point tighten screw lock ing knob potentiometer shaft course have access os cilloscope can also compare servo checker output pulse standard 15 millisecond pulse rotating potenti ometer shaft until match Either way will give satisfactory calibration servo checker has used check local servos have success ful diagnosing presence several faults could have caused airplane crash However occasion Phoenix 6 competition aircraft bad spot armature elevator servo motor airplane stayed outside loop released down elevator control fortunate engine vibration shook motor sufficiently drive servo off bad spot saved airplane Later servo checker could duplicate failure time hope servo checker will enable dis cover servo problems early enough dont have rely luck like did problems club seems face getting club members come meetings course improving pro gram follows business meeting obvious way approach objec tive sometimes isnt enough club newsletters AMA headquarters forwards have gleaned few ideas may help product review product review product review Battery Eliminator Circuit Now can heat glow plug start engine quickly 12-volt starter battery Starts flooded engines easily Does shorten plug life indefinite life uses GE silicon diodes mounted 2 x 2 epoxy glass board $1450 Ron Weiss 11 Bialla P1 Haleuite NY 11743 product review product review product review club get few members out club purchases aircraft kit three four months holds drawing after regular meeting winner ob ligated build kit within reasonable time provide written report pub lication clubs newsletter local aspect kit review valuable club members newsletter editor usually welcomes contributions because make job easier Another idea club purchase popular kit engine accessory sell enough raffle tickets just pay item raffle off club meeting Raffle tickets available club members attend meetings old good ways get people come meetings have show tell new airplanes other projects club members attending meeting get benefits hearing other modelers things involved hobby vote held determine best presentation winner awarded useful prize purchased club club has special way encour age meeting attendance Im sure other club leaders would like hear about Send note describing clubs idea Ill glad see gets published Ron Van Putte 12 Connie Dr Shah mar FL 32579 84 Model Aviation
Edition: Model Aviation - 1977/12
Page Numbers: 20, 83, 84
Sport-Aerobahcs ORon VanPutte SINCE THE LAST two months have taken up special events regular monthly column will involve catch ing up things happened interim addition items normally cover annual Saturday night banquet Jim Kirkland Memorial contest AMAs District 5 Vice President Jim Mc Neill startled everyone presenting AMA Superior Service Award Eglin Aero Modelers award presented club outstanding example club members demonstrated other AMA clubs way support Jim Kirkland Memorial Contest year club members enthusiastically work widely-known contest despite fact two club members fly RC pattern contests year 54 65 club members worked directly con test participation rate 80% Im proud associated fine group modelers Nats just finished written Im looking forward reading RC Pattern report Bill Simpson Bill well known newsletter editors former editor BIRDS Eye Views newslet ter BIRDS Long Beach Calif largest AMA chartered clubs Bill always wrote interesting newsletter Im sure Nats report will demon strate talents much larger read ing audience early reports participation RC Pattern way down less half number 1976 Nats Dayton Ohio case other events showed similar reduction competitors west coast competitors will probably 20 Model Aviation have wait long time before hosting another Nats past few months have using servo tester built plans Hugh Shoemaker published DCRC Newsletter edited Glenn Scil han may wonder Ron Van Putte would present something electronic na ture rather electronics expert like Continued pag le servo tester designed Hugh Shoe maker works virtually proportional servo Text provides construction information Original design pattern job Joe Friend has folded plywood fuselage Neatly built ahip finished white red-and-silver lace acrylic lacquer Photograph Harry Clayton Simple layout servo tester perforated board small aluminum box parts except connectors local Radio Shack stores unlikely trio just announced intention enter next RC World Championships national team Santa Catalina RC/WC party R Julian Haas Joe Bride Phil Kraft made demonstration exciting potential device means obtaining additional points would limited proto taxi maneuver AMA Scale Sport Scale would doubtful value similar system used 1976 Sweden World Contest USSR contestant Viktor Yougov control-line YAK 18 Eastcraft Lectra Start available three sizes planes boats cars Eastcraft Specialty Products PO Box 25 Irwin Pa 15642 systems weigh between 13 16 ounces planes up 40 ounces cars boats Some additional thoughts about Nats Very impressive muffler buried side cowl modified Stafford Chip munk taken builder Bob Wilde 45 hours construct used avail able space between K&B 61 cowl inside surface plane high gloss finish K&B Super Poxy large amounts pressed-on lettering Dave Platt spent hours inter ested modelers expounding virtues latest Douglas SBD-3 answer ultimate question No isnt kit yet high-speed flight Scale Squad ron member Jerry Ortegos Grumman Tiger Cat positively fearful made numerous passes before judges speeds well excess 100 mph Innumerable planes trouble taxiing high winds particularly tail wheels almost impossible turn down-wind after landing garner all-important proto taxi points Most common complaint absence score sheets previous Nats Fliers like know improve static point scores next meet know ma neuvers paying off flight scores Flight maneuvers could changed between rounds Bob Wischer Rt 1 S-221 Lapham Peak Rd Delafield WI 53018 RC Aerobatics/Van Putte continued page 20 George Myers writes Radio Tech nique reason since servo tester easy build non-expert like no trouble construc tion might encouraged try yourself Another reason George Myers didnt indicate interest pub lishing servo tester wrote him about should interested servo tester Let quote Hugh Shoemakers article Servos tend get toughest beat ing of airborne hardware Con sequently also seem prone failure broken teeth largest casualty After couple years servo motors potentiometersRVP also have tendency become erratic servo checker acts place transmitter receiver simulating output pulse just would units varying control servo checker can simulate movement trans mitter control observe movement servo common check slowly move control watch jerky movements often attributable broken gear tooth scratchy po tentiomenterRVP Another check look bad spot motor armature very slowly rotating control ob serving dead spots servo move ment bought parts except bat tery servo connectors local Radio Shack less $8 parts list Component R2 C1 C2 IC 1 1C2 Aluminum ValueRadio Shack No lOOK271-045 15K271-036 10K pot271-1715 47K271-030 022mf272-1070 555276-1723 74121276-1814 box approx 3A X 2 X 1 knob potentiometer perforated board fit box connectors fit battery servo connectors mounted components except December 1977 83 flit P R 0 D U CT S N C ss DAVISVILLE ROAD OW GROVE PA 19090 659-3900 SUPERSTAR OF STARTERS Sales zooming past 100000 starter thats turned whole world Has higher torque & RPMs heavy duty long life motor instant-on strip switch safety hand guard 2-year guarantee PROP-LOC AT NEW LOW PRICES Hi-tork spinner smoother idle Cone available 1 1 2 2/4 2% 2 white black red Now 80c hardware $110 Two-piece aluminum spinner-ette available 5/16-24 1/4-28 6 mm 7 mm threads Now $110 complete potentiometer small piece perfor ated board just big enough fit small aluminum box potentiometer mounted box shaft sticking out top checker works 4-wire servos servos requiring positive negative pulses Again quoting Hugh Shoe maker will notice 1C2 puts out both positive Pin 6 negative Pin pulse have Kraft Heath Ace Royal servos use positive output Proline servos use negative output red black servo wires white wire have 4-wire servo should connected same color wires battery pack way calibrate servo checker using good servo Simply rotate potentiometer shaft until servo arm neutral tighten nut poten tiometer mounts box out turning potentiometer shaft mount knob point convenient neutral reference point tighten screw lock ing knob potentiometer shaft course have access os cilloscope can also compare servo checker output pulse standard 15 millisecond pulse rotating potenti ometer shaft until match Either way will give satisfactory calibration servo checker has used check local servos have success ful diagnosing presence several faults could have caused airplane crash However occasion Phoenix 6 competition aircraft bad spot armature elevator servo motor airplane stayed outside loop released down elevator control fortunate engine vibration shook motor sufficiently drive servo off bad spot saved airplane Later servo checker could duplicate failure time hope servo checker will enable dis cover servo problems early enough dont have rely luck like did problems club seems face getting club members come meetings course improving pro gram follows business meeting obvious way approach objec tive sometimes isnt enough club newsletters AMA headquarters forwards have gleaned few ideas may help product review product review product review Battery Eliminator Circuit Now can heat glow plug start engine quickly 12-volt starter battery Starts flooded engines easily Does shorten plug life indefinite life uses GE silicon diodes mounted 2 x 2 epoxy glass board $1450 Ron Weiss 11 Bialla P1 Haleuite NY 11743 product review product review product review club get few members out club purchases aircraft kit three four months holds drawing after regular meeting winner ob ligated build kit within reasonable time provide written report pub lication clubs newsletter local aspect kit review valuable club members newsletter editor usually welcomes contributions because make job easier Another idea club purchase popular kit engine accessory sell enough raffle tickets just pay item raffle off club meeting Raffle tickets available club members attend meetings old good ways get people come meetings have show tell new airplanes other projects club members attending meeting get benefits hearing other modelers things involved hobby vote held determine best presentation winner awarded useful prize purchased club club has special way encour age meeting attendance Im sure other club leaders would like hear about Send note describing clubs idea Ill glad see gets published Ron Van Putte 12 Connie Dr Shah mar FL 32579 84 Model Aviation