UEloy Marez WI VI U'in THE MAIL HAS started come thanks wrote welcoming Model Aviation offering best wishes Other mailjust welcomearrived questions such Edward 0 Clark III Columbia SC have two transmitters Futaba EP T4NBF 1 channel 50 damaged beyond repair 2 channel 36 operable Can take crystal #50 use operable transmitter #36 safely have done bench seems work OK have varying advice issue have heard question often dont remember ever seeing answered instruction manual very good reason Federal Communications Commission FCC regulations specifically prohibit changing crystals Radio Control RC transmitters crystals easily accessible transmitters plugged socket rather soldered guess same transmitters being made sale countries such restrictions some countries have no regulations RC equipment reasoning proper testing tuning required transmitter can operate such manner will cause interference other intended frequency RC companies handle situation different ways some make crystals readily availahle others provide qualified service centers subject FCC regulations Type Approval label back transmitter indicates meets pertinent FCC restrictions specifications after testing certified independent laboratories Type Approval granted equipment installed frequency furnished antenna hut another matter Said specifications include Wire Sequence Popular RC Servos 123 Airtronics Standard B ODD B Futaba C ODD Li C Airtronics HiTec Tower 1 Black Signal 2 Black Negative 3 BlackStriped Positive Left White Signal Center Red Positive Right Black Negative Left White Signal Center Red Positive Right Black Negative Left Orange Signal Center Red Positive Right Brown Negative 80 Model Aviation Electronics great Digital Multi-Meter non-laboratory troubleshooting testingoften available reduced cost No Connection Frequency Counter R See Text Photo Transistor simple circuit will allow read propeller speed frequency counter useful engine testing and/or check calibration field tachometer CJR things including all-important narrowband emission receiver subject different set regulations comes its own sticker However restriction does radiate radio frequency energy might interfere other electronic devices television bears similar sticker does telephone microwave no restrictions changing crystals receiver narrowband restrictions FCC- AMA-imposed Furthermore double conversion may hear about anyones restriction specificationits circuitry required some cases meet AMAs narrowband requirements reason equipment pretuned specific frequency efficiency maximum radio frequency output transmitter maximum sensitivity receiver Circuitry would operate equally channels would also result something would accept an increase size weight real world crystals availableand aresystem frequencies going changed safely comes radio maintenance consider cost airplane money time both factor cost having radio properly serviced Because Airtronics within area code can call no extra telephone charges use company source use others case told frequency change including new crystals $35 worth to have sweat out first flight after plugging different set crystals oldest airplane worth However cases extenuating circumstances such Ed Clarks did already have crystals would advise IKITES - FREE COLOR CATALOG Choose over 200 exc t ng k tes S unusual & Innovative des gns Call write catalog todayl Into Wind 541-0314 1408-MA Pearl St Boulder Co 80302 mm Sm mw U 0 0 -U U Q% Iog ouco C o R z C 0 July 1999 81 u/c RIC UCS R/C Plain Bearing Glow 500055006000 Ball Bearing Glow 650070007500 Ball Bearing Diesel 650070007500 engines include silencer Add $500 P&H per Order Visa & M/C OK esid ed Sdaa e eead Sa9e4 Calson Engine lmporls 814 E Marconi Ave Phoenix AZ USA 85022- Ph/Fax 602-863-1684 a a. a I. C -5 C C T11 1 i i [] ntiques Military Civilian Helicopters Sailpianes hove worlds largest aircraft documentation colledion 7400 different full color photo studies 1903-1998 35000 3-view line drawings t 1999 Catalog/Guide 228 pages LCanada Mex $1000 eOoo Euope$1500 US As Bob BankasAt ca & Aus a $1800 AIRCRAFT DOCUMENTATION 3114 Yukon Avenue a Mesa CA 92626 714 979-8058 4IRca ONAeA7~ HOBBY STORES ASSOCSATtOB INC www hobbystoresorg ON SITE EXPERT ADVICE AND INFORMATION QUALITY MODELING PRODUCTS WERE THERE WHEN YOU NEED US WHERE ELSE CAN YOU GET THAT GLOW PLUG ON SATURDAY MORNING AMA FAX APPLICATIONS AVAILABLE LOCAL CLUB NEWS AND HAPPENINGS PART OF NATIONWIDE ORGANIZATION WORKING FOR THE BETTERMENT OF THE HOBBY INDUSTRY HAVE YOU EVER RACED ON MAIL ORDER TRACK REMEMBER WHO GOT YOU STARTED IN R/C him rule thumb more-or-less stay within five channels up down original frequency Since Ed has set crystals try good go/no-go test actually good advice caseseven changing channel away First equipment original frequency preferably out airplanewhich placed large cardboard box wooden stool similar nonmetallic objectand antenna upright wooden stick establish antenna down operating range After changing crystals make comparison test lose 10% fly first having properly checked tuned Second equal range dont stick B- 17 took three years build Test more-expendable airplane also worthwhile airborne range test can make good idea havent changed channels airplane overheadas high can have still see wellcollapse transmitter antenna section time good-quality properly tuned systems should able maintain control antenna section extended lose say half-antenna really should have checked out Though will probably work acceptably full antenna will let down sometime long approachespecially habit pointing antenna airplane Bill Robinson Gainesville Florida posed interesting question would like Y two servos together uld like servo B operate servo particular position triggered momentary switch need servo B activate way time Logic would say could interrupt signal B momentary switch wire controls B activity Also 82 Model Aviation Bee ee ee2 Bee THE BATTERY TOOL field box tool 4 9 cell battery packs Use voltmeter loaded voltmeter check packs charge Use discharge pack read its capacity Unit discharges 300 ma anto shut-off llv per cell Cycles packs charging Battery Tool $5895 4-pc Universal Cord Set $1595 Add $5 5&H FREE shipping order both JANTRONICS 406 727-3001 http//wwwwtpnet/DBEST/jtIjantronicshtmI WALSTON RETRIEVAL SYSTEMS 725 Cooper Lake Rd myrna GA 30082 770-434-4905 500-657-4672 Fax 770-431-0119 Visa AmEx e-mail WalatonRET@aolcom LOOK FOR YOUR LOCAL NRHSA HOBBY SHOP l415 lb Flyittg Weight Gloss Fese & teel ,yttguerecee-stutttLedittgGeet CleOtCottepyAueitable Builders Kit $255 Sheeted tilt $965aelcee Sheeted Sit $495 ULTIMATESPORT RC 255 EoetAehlond/PO 727/Sode tptirtgs ldettn 83276 ULtINSIE eec apet 2555d737d2FeFetthet lete Settd SASE problem feedback battery drain B deactivated Are other ways accomplish process other dedicated channel would interesting know what Bills application maybe will let us know reports back suggestion works him review three servo wires must battery power accounts two wires third wire brings control information receiver telling go stop Unfortunately no standardization pin sequence wire colors Bills case wire switched out battery negative might seem obvious switch control signal some servos some systems some overshoot will occur Switching battery negative will stop servo instantly However down side method servo must have battery power develop holding force can easily move control surface radio off whatever servo being used actuate will push back can shift servo position though low-torque applications will okay Other ways Depending application some computer radios compensation mixing might fit bill cases can designate channel master other slave adjust slave operate side master stick movement desired degree proper mechanical linkage what think Bill attempting could accomplished Bill let know what works can share others might find useful Hint Month has unused channels RC transnmtter exposed male pins carrying battery voltage just writing about anything conductive such screw dropped fuselage installing servos gets across will fireworks good idea put piece tape over unused connectors Another Suggestion great buy basic tinkerers test instruments Digital Multi-Meter DMM MCM Electronics [800] 543-4330 Ohio offers wide range electronic components products including test equipment MCM catalogs Model 72-4025 DMM 3-digit /2-inch-high display ideal tests requiring laboratory precision includes voltage current AC DC resistance capacitance 2OuF transistors diodes frequency 20 MHz one-year warranty 72-4025 DMM normally priced $6595 However MCM has periodic specials about half price cant better no matter much shop around market good instrument give MCM try Ask special price currently effect will Other catalogs tinkerers should have freebiesare Digi-Key [800] 344-4539 Minnesota Mouser Electronics [800] 346-6873 facilities California New Jersey Texas Tech America [800] 877-0072 Texas Test Equipment own have access frequency counter can use simple adapter digital tachometerto check accuracy calibrate existing tachometer nothing critical about circuit Almost NPN phototransistor will work have used NTE3O3 1 primarily because readily available value resistor determined input impedence counter use start 47K work up down until reading stabilizes actual rpm indicated frequency hertz divided number propeller blades multiplied 60 questions and/or input welcome please enclose SASE want direct answer SOUTH INC John Eatons 25cc 15 CI Enginel 100% ball & roller bearings Electronic magneto Prop hub & monet included Hand start / wt 4 los Current Price $15110 S&H$1300 Available Now Prop bob & mount also sold separately cute IPbvk & Rqais Mm urnust win cenvmiuItn pitted quit rtipesti GIANT SCALE TR 200 CLOSE OUT L0UE 1ff PEESI ET8179U & H 825 RE 848CM S S H 820 Mid-wing aerobatic design tsr 2 4 Cl ABS cowl hatch cover & wheel pants ARF covered Ultracote Kit weight 15-lI lbs 86 wingspan ARE weight 16-19 lbs 12 wingspan * * ATThIDE SUPE TIlOl OWNHSI * * Finally Available machined bar stock rod toll roller bearings br Super Tiger engines Super heavy duty will improve pertormance glow isa must br gas conversion 2500&3000-$400D$4OOS&H d flfl RODRIVER Contains 4 1300 mah battery cells senses plug fouled & boosts power LED bar garaph meter display plug condition Supports Futaba J chargers Sale Price $53005p uPup PRO-DRIVER MARK II shut down5p Pp Sale Price $5800 3702 N Pace Pensacola FL 32505 Toll Free Order Line Orders Only Please 800-962-7802 Repair Information . 850-434-0909 vrst website http//www wtp net/DBEST/radiosouth/RS1 html PRO-HINGES Easiest Hinge Install use cyanocrylate adhesives RC- $249/pkg 18 Scale $279/pkg 24 available local hobby shop order direct DEALER INQUIRIES INVITED J July1999 83 JiieebuIl Glow Plugs Introduces NEW SUPER COOL Plug Hi Temp Insulator oniy $229 addition FIREBALL RC IDLE BAR plug $229 Hot & Standard Non-Idle Bar plugs still $195 Swanson Associates PO Box 151 Since e NJ 07470
Edition: Model Aviation - 1999/07
Page Numbers: 80, 81, 82, 83
Edition: Model Aviation - 1999/07
Page Numbers: 80, 81, 82, 83
UEloy Marez WI VI U'in THE MAIL HAS started come thanks wrote welcoming Model Aviation offering best wishes Other mailjust welcomearrived questions such Edward 0 Clark III Columbia SC have two transmitters Futaba EP T4NBF 1 channel 50 damaged beyond repair 2 channel 36 operable Can take crystal #50 use operable transmitter #36 safely have done bench seems work OK have varying advice issue have heard question often dont remember ever seeing answered instruction manual very good reason Federal Communications Commission FCC regulations specifically prohibit changing crystals Radio Control RC transmitters crystals easily accessible transmitters plugged socket rather soldered guess same transmitters being made sale countries such restrictions some countries have no regulations RC equipment reasoning proper testing tuning required transmitter can operate such manner will cause interference other intended frequency RC companies handle situation different ways some make crystals readily availahle others provide qualified service centers subject FCC regulations Type Approval label back transmitter indicates meets pertinent FCC restrictions specifications after testing certified independent laboratories Type Approval granted equipment installed frequency furnished antenna hut another matter Said specifications include Wire Sequence Popular RC Servos 123 Airtronics Standard B ODD B Futaba C ODD Li C Airtronics HiTec Tower 1 Black Signal 2 Black Negative 3 BlackStriped Positive Left White Signal Center Red Positive Right Black Negative Left White Signal Center Red Positive Right Black Negative Left Orange Signal Center Red Positive Right Brown Negative 80 Model Aviation Electronics great Digital Multi-Meter non-laboratory troubleshooting testingoften available reduced cost No Connection Frequency Counter R See Text Photo Transistor simple circuit will allow read propeller speed frequency counter useful engine testing and/or check calibration field tachometer CJR things including all-important narrowband emission receiver subject different set regulations comes its own sticker However restriction does radiate radio frequency energy might interfere other electronic devices television bears similar sticker does telephone microwave no restrictions changing crystals receiver narrowband restrictions FCC- AMA-imposed Furthermore double conversion may hear about anyones restriction specificationits circuitry required some cases meet AMAs narrowband requirements reason equipment pretuned specific frequency efficiency maximum radio frequency output transmitter maximum sensitivity receiver Circuitry would operate equally channels would also result something would accept an increase size weight real world crystals availableand aresystem frequencies going changed safely comes radio maintenance consider cost airplane money time both factor cost having radio properly serviced Because Airtronics within area code can call no extra telephone charges use company source use others case told frequency change including new crystals $35 worth to have sweat out first flight after plugging different set crystals oldest airplane worth However cases extenuating circumstances such Ed Clarks did already have crystals would advise IKITES - FREE COLOR CATALOG Choose over 200 exc t ng k tes S unusual & Innovative des gns Call write catalog todayl Into Wind 541-0314 1408-MA Pearl St Boulder Co 80302 mm Sm mw U 0 0 -U U Q% Iog ouco C o R z C 0 July 1999 81 u/c RIC UCS R/C Plain Bearing Glow 500055006000 Ball Bearing Glow 650070007500 Ball Bearing Diesel 650070007500 engines include silencer Add $500 P&H per Order Visa & M/C OK esid ed Sdaa e eead Sa9e4 Calson Engine lmporls 814 E Marconi Ave Phoenix AZ USA 85022- Ph/Fax 602-863-1684 a a. a I. C -5 C C T11 1 i i [] ntiques Military Civilian Helicopters Sailpianes hove worlds largest aircraft documentation colledion 7400 different full color photo studies 1903-1998 35000 3-view line drawings t 1999 Catalog/Guide 228 pages LCanada Mex $1000 eOoo Euope$1500 US As Bob BankasAt ca & Aus a $1800 AIRCRAFT DOCUMENTATION 3114 Yukon Avenue a Mesa CA 92626 714 979-8058 4IRca ONAeA7~ HOBBY STORES ASSOCSATtOB INC www hobbystoresorg ON SITE EXPERT ADVICE AND INFORMATION QUALITY MODELING PRODUCTS WERE THERE WHEN YOU NEED US WHERE ELSE CAN YOU GET THAT GLOW PLUG ON SATURDAY MORNING AMA FAX APPLICATIONS AVAILABLE LOCAL CLUB NEWS AND HAPPENINGS PART OF NATIONWIDE ORGANIZATION WORKING FOR THE BETTERMENT OF THE HOBBY INDUSTRY HAVE YOU EVER RACED ON MAIL ORDER TRACK REMEMBER WHO GOT YOU STARTED IN R/C him rule thumb more-or-less stay within five channels up down original frequency Since Ed has set crystals try good go/no-go test actually good advice caseseven changing channel away First equipment original frequency preferably out airplanewhich placed large cardboard box wooden stool similar nonmetallic objectand antenna upright wooden stick establish antenna down operating range After changing crystals make comparison test lose 10% fly first having properly checked tuned Second equal range dont stick B- 17 took three years build Test more-expendable airplane also worthwhile airborne range test can make good idea havent changed channels airplane overheadas high can have still see wellcollapse transmitter antenna section time good-quality properly tuned systems should able maintain control antenna section extended lose say half-antenna really should have checked out Though will probably work acceptably full antenna will let down sometime long approachespecially habit pointing antenna airplane Bill Robinson Gainesville Florida posed interesting question would like Y two servos together uld like servo B operate servo particular position triggered momentary switch need servo B activate way time Logic would say could interrupt signal B momentary switch wire controls B activity Also 82 Model Aviation Bee ee ee2 Bee THE BATTERY TOOL field box tool 4 9 cell battery packs Use voltmeter loaded voltmeter check packs charge Use discharge pack read its capacity Unit discharges 300 ma anto shut-off llv per cell Cycles packs charging Battery Tool $5895 4-pc Universal Cord Set $1595 Add $5 5&H FREE shipping order both JANTRONICS 406 727-3001 http//wwwwtpnet/DBEST/jtIjantronicshtmI WALSTON RETRIEVAL SYSTEMS 725 Cooper Lake Rd myrna GA 30082 770-434-4905 500-657-4672 Fax 770-431-0119 Visa AmEx e-mail WalatonRET@aolcom LOOK FOR YOUR LOCAL NRHSA HOBBY SHOP l415 lb Flyittg Weight Gloss Fese & teel ,yttguerecee-stutttLedittgGeet CleOtCottepyAueitable Builders Kit $255 Sheeted tilt $965aelcee Sheeted Sit $495 ULTIMATESPORT RC 255 EoetAehlond/PO 727/Sode tptirtgs ldettn 83276 ULtINSIE eec apet 2555d737d2FeFetthet lete Settd SASE problem feedback battery drain B deactivated Are other ways accomplish process other dedicated channel would interesting know what Bills application maybe will let us know reports back suggestion works him review three servo wires must battery power accounts two wires third wire brings control information receiver telling go stop Unfortunately no standardization pin sequence wire colors Bills case wire switched out battery negative might seem obvious switch control signal some servos some systems some overshoot will occur Switching battery negative will stop servo instantly However down side method servo must have battery power develop holding force can easily move control surface radio off whatever servo being used actuate will push back can shift servo position though low-torque applications will okay Other ways Depending application some computer radios compensation mixing might fit bill cases can designate channel master other slave adjust slave operate side master stick movement desired degree proper mechanical linkage what think Bill attempting could accomplished Bill let know what works can share others might find useful Hint Month has unused channels RC transnmtter exposed male pins carrying battery voltage just writing about anything conductive such screw dropped fuselage installing servos gets across will fireworks good idea put piece tape over unused connectors Another Suggestion great buy basic tinkerers test instruments Digital Multi-Meter DMM MCM Electronics [800] 543-4330 Ohio offers wide range electronic components products including test equipment MCM catalogs Model 72-4025 DMM 3-digit /2-inch-high display ideal tests requiring laboratory precision includes voltage current AC DC resistance capacitance 2OuF transistors diodes frequency 20 MHz one-year warranty 72-4025 DMM normally priced $6595 However MCM has periodic specials about half price cant better no matter much shop around market good instrument give MCM try Ask special price currently effect will Other catalogs tinkerers should have freebiesare Digi-Key [800] 344-4539 Minnesota Mouser Electronics [800] 346-6873 facilities California New Jersey Texas Tech America [800] 877-0072 Texas Test Equipment own have access frequency counter can use simple adapter digital tachometerto check accuracy calibrate existing tachometer nothing critical about circuit Almost NPN phototransistor will work have used NTE3O3 1 primarily because readily available value resistor determined input impedence counter use start 47K work up down until reading stabilizes actual rpm indicated frequency hertz divided number propeller blades multiplied 60 questions and/or input welcome please enclose SASE want direct answer SOUTH INC John Eatons 25cc 15 CI Enginel 100% ball & roller bearings Electronic magneto Prop hub & monet included Hand start / wt 4 los Current Price $15110 S&H$1300 Available Now Prop bob & mount also sold separately cute IPbvk & Rqais Mm urnust win cenvmiuItn pitted quit rtipesti GIANT SCALE TR 200 CLOSE OUT L0UE 1ff PEESI ET8179U & H 825 RE 848CM S S H 820 Mid-wing aerobatic design tsr 2 4 Cl ABS cowl hatch cover & wheel pants ARF covered Ultracote Kit weight 15-lI lbs 86 wingspan ARE weight 16-19 lbs 12 wingspan * * ATThIDE SUPE TIlOl OWNHSI * * Finally Available machined bar stock rod toll roller bearings br Super Tiger engines Super heavy duty will improve pertormance glow isa must br gas conversion 2500&3000-$400D$4OOS&H d flfl RODRIVER Contains 4 1300 mah battery cells senses plug fouled & boosts power LED bar garaph meter display plug condition Supports Futaba J chargers Sale Price $53005p uPup PRO-DRIVER MARK II shut down5p Pp Sale Price $5800 3702 N Pace Pensacola FL 32505 Toll Free Order Line Orders Only Please 800-962-7802 Repair Information . 850-434-0909 vrst website http//www wtp net/DBEST/radiosouth/RS1 html PRO-HINGES Easiest Hinge Install use cyanocrylate adhesives RC- $249/pkg 18 Scale $279/pkg 24 available local hobby shop order direct DEALER INQUIRIES INVITED J July1999 83 JiieebuIl Glow Plugs Introduces NEW SUPER COOL Plug Hi Temp Insulator oniy $229 addition FIREBALL RC IDLE BAR plug $229 Hot & Standard Non-Idle Bar plugs still $195 Swanson Associates PO Box 151 Since e NJ 07470
Edition: Model Aviation - 1999/07
Page Numbers: 80, 81, 82, 83
UEloy Marez WI VI U'in THE MAIL HAS started come thanks wrote welcoming Model Aviation offering best wishes Other mailjust welcomearrived questions such Edward 0 Clark III Columbia SC have two transmitters Futaba EP T4NBF 1 channel 50 damaged beyond repair 2 channel 36 operable Can take crystal #50 use operable transmitter #36 safely have done bench seems work OK have varying advice issue have heard question often dont remember ever seeing answered instruction manual very good reason Federal Communications Commission FCC regulations specifically prohibit changing crystals Radio Control RC transmitters crystals easily accessible transmitters plugged socket rather soldered guess same transmitters being made sale countries such restrictions some countries have no regulations RC equipment reasoning proper testing tuning required transmitter can operate such manner will cause interference other intended frequency RC companies handle situation different ways some make crystals readily availahle others provide qualified service centers subject FCC regulations Type Approval label back transmitter indicates meets pertinent FCC restrictions specifications after testing certified independent laboratories Type Approval granted equipment installed frequency furnished antenna hut another matter Said specifications include Wire Sequence Popular RC Servos 123 Airtronics Standard B ODD B Futaba C ODD Li C Airtronics HiTec Tower 1 Black Signal 2 Black Negative 3 BlackStriped Positive Left White Signal Center Red Positive Right Black Negative Left White Signal Center Red Positive Right Black Negative Left Orange Signal Center Red Positive Right Brown Negative 80 Model Aviation Electronics great Digital Multi-Meter non-laboratory troubleshooting testingoften available reduced cost No Connection Frequency Counter R See Text Photo Transistor simple circuit will allow read propeller speed frequency counter useful engine testing and/or check calibration field tachometer CJR things including all-important narrowband emission receiver subject different set regulations comes its own sticker However restriction does radiate radio frequency energy might interfere other electronic devices television bears similar sticker does telephone microwave no restrictions changing crystals receiver narrowband restrictions FCC- AMA-imposed Furthermore double conversion may hear about anyones restriction specificationits circuitry required some cases meet AMAs narrowband requirements reason equipment pretuned specific frequency efficiency maximum radio frequency output transmitter maximum sensitivity receiver Circuitry would operate equally channels would also result something would accept an increase size weight real world crystals availableand aresystem frequencies going changed safely comes radio maintenance consider cost airplane money time both factor cost having radio properly serviced Because Airtronics within area code can call no extra telephone charges use company source use others case told frequency change including new crystals $35 worth to have sweat out first flight after plugging different set crystals oldest airplane worth However cases extenuating circumstances such Ed Clarks did already have crystals would advise IKITES - FREE COLOR CATALOG Choose over 200 exc t ng k tes S unusual & Innovative des gns Call write catalog todayl Into Wind 541-0314 1408-MA Pearl St Boulder Co 80302 mm Sm mw U 0 0 -U U Q% Iog ouco C o R z C 0 July 1999 81 u/c RIC UCS R/C Plain Bearing Glow 500055006000 Ball Bearing Glow 650070007500 Ball Bearing Diesel 650070007500 engines include silencer Add $500 P&H per Order Visa & M/C OK esid ed Sdaa e eead Sa9e4 Calson Engine lmporls 814 E Marconi Ave Phoenix AZ USA 85022- Ph/Fax 602-863-1684 a a. a I. C -5 C C T11 1 i i [] ntiques Military Civilian Helicopters Sailpianes hove worlds largest aircraft documentation colledion 7400 different full color photo studies 1903-1998 35000 3-view line drawings t 1999 Catalog/Guide 228 pages LCanada Mex $1000 eOoo Euope$1500 US As Bob BankasAt ca & Aus a $1800 AIRCRAFT DOCUMENTATION 3114 Yukon Avenue a Mesa CA 92626 714 979-8058 4IRca ONAeA7~ HOBBY STORES ASSOCSATtOB INC www hobbystoresorg ON SITE EXPERT ADVICE AND INFORMATION QUALITY MODELING PRODUCTS WERE THERE WHEN YOU NEED US WHERE ELSE CAN YOU GET THAT GLOW PLUG ON SATURDAY MORNING AMA FAX APPLICATIONS AVAILABLE LOCAL CLUB NEWS AND HAPPENINGS PART OF NATIONWIDE ORGANIZATION WORKING FOR THE BETTERMENT OF THE HOBBY INDUSTRY HAVE YOU EVER RACED ON MAIL ORDER TRACK REMEMBER WHO GOT YOU STARTED IN R/C him rule thumb more-or-less stay within five channels up down original frequency Since Ed has set crystals try good go/no-go test actually good advice caseseven changing channel away First equipment original frequency preferably out airplanewhich placed large cardboard box wooden stool similar nonmetallic objectand antenna upright wooden stick establish antenna down operating range After changing crystals make comparison test lose 10% fly first having properly checked tuned Second equal range dont stick B- 17 took three years build Test more-expendable airplane also worthwhile airborne range test can make good idea havent changed channels airplane overheadas high can have still see wellcollapse transmitter antenna section time good-quality properly tuned systems should able maintain control antenna section extended lose say half-antenna really should have checked out Though will probably work acceptably full antenna will let down sometime long approachespecially habit pointing antenna airplane Bill Robinson Gainesville Florida posed interesting question would like Y two servos together uld like servo B operate servo particular position triggered momentary switch need servo B activate way time Logic would say could interrupt signal B momentary switch wire controls B activity Also 82 Model Aviation Bee ee ee2 Bee THE BATTERY TOOL field box tool 4 9 cell battery packs Use voltmeter loaded voltmeter check packs charge Use discharge pack read its capacity Unit discharges 300 ma anto shut-off llv per cell Cycles packs charging Battery Tool $5895 4-pc Universal Cord Set $1595 Add $5 5&H FREE shipping order both JANTRONICS 406 727-3001 http//wwwwtpnet/DBEST/jtIjantronicshtmI WALSTON RETRIEVAL SYSTEMS 725 Cooper Lake Rd myrna GA 30082 770-434-4905 500-657-4672 Fax 770-431-0119 Visa AmEx e-mail WalatonRET@aolcom LOOK FOR YOUR LOCAL NRHSA HOBBY SHOP l415 lb Flyittg Weight Gloss Fese & teel ,yttguerecee-stutttLedittgGeet CleOtCottepyAueitable Builders Kit $255 Sheeted tilt $965aelcee Sheeted Sit $495 ULTIMATESPORT RC 255 EoetAehlond/PO 727/Sode tptirtgs ldettn 83276 ULtINSIE eec apet 2555d737d2FeFetthet lete Settd SASE problem feedback battery drain B deactivated Are other ways accomplish process other dedicated channel would interesting know what Bills application maybe will let us know reports back suggestion works him review three servo wires must battery power accounts two wires third wire brings control information receiver telling go stop Unfortunately no standardization pin sequence wire colors Bills case wire switched out battery negative might seem obvious switch control signal some servos some systems some overshoot will occur Switching battery negative will stop servo instantly However down side method servo must have battery power develop holding force can easily move control surface radio off whatever servo being used actuate will push back can shift servo position though low-torque applications will okay Other ways Depending application some computer radios compensation mixing might fit bill cases can designate channel master other slave adjust slave operate side master stick movement desired degree proper mechanical linkage what think Bill attempting could accomplished Bill let know what works can share others might find useful Hint Month has unused channels RC transnmtter exposed male pins carrying battery voltage just writing about anything conductive such screw dropped fuselage installing servos gets across will fireworks good idea put piece tape over unused connectors Another Suggestion great buy basic tinkerers test instruments Digital Multi-Meter DMM MCM Electronics [800] 543-4330 Ohio offers wide range electronic components products including test equipment MCM catalogs Model 72-4025 DMM 3-digit /2-inch-high display ideal tests requiring laboratory precision includes voltage current AC DC resistance capacitance 2OuF transistors diodes frequency 20 MHz one-year warranty 72-4025 DMM normally priced $6595 However MCM has periodic specials about half price cant better no matter much shop around market good instrument give MCM try Ask special price currently effect will Other catalogs tinkerers should have freebiesare Digi-Key [800] 344-4539 Minnesota Mouser Electronics [800] 346-6873 facilities California New Jersey Texas Tech America [800] 877-0072 Texas Test Equipment own have access frequency counter can use simple adapter digital tachometerto check accuracy calibrate existing tachometer nothing critical about circuit Almost NPN phototransistor will work have used NTE3O3 1 primarily because readily available value resistor determined input impedence counter use start 47K work up down until reading stabilizes actual rpm indicated frequency hertz divided number propeller blades multiplied 60 questions and/or input welcome please enclose SASE want direct answer SOUTH INC John Eatons 25cc 15 CI Enginel 100% ball & roller bearings Electronic magneto Prop hub & monet included Hand start / wt 4 los Current Price $15110 S&H$1300 Available Now Prop bob & mount also sold separately cute IPbvk & Rqais Mm urnust win cenvmiuItn pitted quit rtipesti GIANT SCALE TR 200 CLOSE OUT L0UE 1ff PEESI ET8179U & H 825 RE 848CM S S H 820 Mid-wing aerobatic design tsr 2 4 Cl ABS cowl hatch cover & wheel pants ARF covered Ultracote Kit weight 15-lI lbs 86 wingspan ARE weight 16-19 lbs 12 wingspan * * ATThIDE SUPE TIlOl OWNHSI * * Finally Available machined bar stock rod toll roller bearings br Super Tiger engines Super heavy duty will improve pertormance glow isa must br gas conversion 2500&3000-$400D$4OOS&H d flfl RODRIVER Contains 4 1300 mah battery cells senses plug fouled & boosts power LED bar garaph meter display plug condition Supports Futaba J chargers Sale Price $53005p uPup PRO-DRIVER MARK II shut down5p Pp Sale Price $5800 3702 N Pace Pensacola FL 32505 Toll Free Order Line Orders Only Please 800-962-7802 Repair Information . 850-434-0909 vrst website http//www wtp net/DBEST/radiosouth/RS1 html PRO-HINGES Easiest Hinge Install use cyanocrylate adhesives RC- $249/pkg 18 Scale $279/pkg 24 available local hobby shop order direct DEALER INQUIRIES INVITED J July1999 83 JiieebuIl Glow Plugs Introduces NEW SUPER COOL Plug Hi Temp Insulator oniy $229 addition FIREBALL RC IDLE BAR plug $229 Hot & Standard Non-Idle Bar plugs still $195 Swanson Associates PO Box 151 Since e NJ 07470
Edition: Model Aviation - 1999/07
Page Numbers: 80, 81, 82, 83
UEloy Marez WI VI U'in THE MAIL HAS started come thanks wrote welcoming Model Aviation offering best wishes Other mailjust welcomearrived questions such Edward 0 Clark III Columbia SC have two transmitters Futaba EP T4NBF 1 channel 50 damaged beyond repair 2 channel 36 operable Can take crystal #50 use operable transmitter #36 safely have done bench seems work OK have varying advice issue have heard question often dont remember ever seeing answered instruction manual very good reason Federal Communications Commission FCC regulations specifically prohibit changing crystals Radio Control RC transmitters crystals easily accessible transmitters plugged socket rather soldered guess same transmitters being made sale countries such restrictions some countries have no regulations RC equipment reasoning proper testing tuning required transmitter can operate such manner will cause interference other intended frequency RC companies handle situation different ways some make crystals readily availahle others provide qualified service centers subject FCC regulations Type Approval label back transmitter indicates meets pertinent FCC restrictions specifications after testing certified independent laboratories Type Approval granted equipment installed frequency furnished antenna hut another matter Said specifications include Wire Sequence Popular RC Servos 123 Airtronics Standard B ODD B Futaba C ODD Li C Airtronics HiTec Tower 1 Black Signal 2 Black Negative 3 BlackStriped Positive Left White Signal Center Red Positive Right Black Negative Left White Signal Center Red Positive Right Black Negative Left Orange Signal Center Red Positive Right Brown Negative 80 Model Aviation Electronics great Digital Multi-Meter non-laboratory troubleshooting testingoften available reduced cost No Connection Frequency Counter R See Text Photo Transistor simple circuit will allow read propeller speed frequency counter useful engine testing and/or check calibration field tachometer CJR things including all-important narrowband emission receiver subject different set regulations comes its own sticker However restriction does radiate radio frequency energy might interfere other electronic devices television bears similar sticker does telephone microwave no restrictions changing crystals receiver narrowband restrictions FCC- AMA-imposed Furthermore double conversion may hear about anyones restriction specificationits circuitry required some cases meet AMAs narrowband requirements reason equipment pretuned specific frequency efficiency maximum radio frequency output transmitter maximum sensitivity receiver Circuitry would operate equally channels would also result something would accept an increase size weight real world crystals availableand aresystem frequencies going changed safely comes radio maintenance consider cost airplane money time both factor cost having radio properly serviced Because Airtronics within area code can call no extra telephone charges use company source use others case told frequency change including new crystals $35 worth to have sweat out first flight after plugging different set crystals oldest airplane worth However cases extenuating circumstances such Ed Clarks did already have crystals would advise IKITES - FREE COLOR CATALOG Choose over 200 exc t ng k tes S unusual & Innovative des gns Call write catalog todayl Into Wind 541-0314 1408-MA Pearl St Boulder Co 80302 mm Sm mw U 0 0 -U U Q% Iog ouco C o R z C 0 July 1999 81 u/c RIC UCS R/C Plain Bearing Glow 500055006000 Ball Bearing Glow 650070007500 Ball Bearing Diesel 650070007500 engines include silencer Add $500 P&H per Order Visa & M/C OK esid ed Sdaa e eead Sa9e4 Calson Engine lmporls 814 E Marconi Ave Phoenix AZ USA 85022- Ph/Fax 602-863-1684 a a. a I. C -5 C C T11 1 i i [] ntiques Military Civilian Helicopters Sailpianes hove worlds largest aircraft documentation colledion 7400 different full color photo studies 1903-1998 35000 3-view line drawings t 1999 Catalog/Guide 228 pages LCanada Mex $1000 eOoo Euope$1500 US As Bob BankasAt ca & Aus a $1800 AIRCRAFT DOCUMENTATION 3114 Yukon Avenue a Mesa CA 92626 714 979-8058 4IRca ONAeA7~ HOBBY STORES ASSOCSATtOB INC www hobbystoresorg ON SITE EXPERT ADVICE AND INFORMATION QUALITY MODELING PRODUCTS WERE THERE WHEN YOU NEED US WHERE ELSE CAN YOU GET THAT GLOW PLUG ON SATURDAY MORNING AMA FAX APPLICATIONS AVAILABLE LOCAL CLUB NEWS AND HAPPENINGS PART OF NATIONWIDE ORGANIZATION WORKING FOR THE BETTERMENT OF THE HOBBY INDUSTRY HAVE YOU EVER RACED ON MAIL ORDER TRACK REMEMBER WHO GOT YOU STARTED IN R/C him rule thumb more-or-less stay within five channels up down original frequency Since Ed has set crystals try good go/no-go test actually good advice caseseven changing channel away First equipment original frequency preferably out airplanewhich placed large cardboard box wooden stool similar nonmetallic objectand antenna upright wooden stick establish antenna down operating range After changing crystals make comparison test lose 10% fly first having properly checked tuned Second equal range dont stick B- 17 took three years build Test more-expendable airplane also worthwhile airborne range test can make good idea havent changed channels airplane overheadas high can have still see wellcollapse transmitter antenna section time good-quality properly tuned systems should able maintain control antenna section extended lose say half-antenna really should have checked out Though will probably work acceptably full antenna will let down sometime long approachespecially habit pointing antenna airplane Bill Robinson Gainesville Florida posed interesting question would like Y two servos together uld like servo B operate servo particular position triggered momentary switch need servo B activate way time Logic would say could interrupt signal B momentary switch wire controls B activity Also 82 Model Aviation Bee ee ee2 Bee THE BATTERY TOOL field box tool 4 9 cell battery packs Use voltmeter loaded voltmeter check packs charge Use discharge pack read its capacity Unit discharges 300 ma anto shut-off llv per cell Cycles packs charging Battery Tool $5895 4-pc Universal Cord Set $1595 Add $5 5&H FREE shipping order both JANTRONICS 406 727-3001 http//wwwwtpnet/DBEST/jtIjantronicshtmI WALSTON RETRIEVAL SYSTEMS 725 Cooper Lake Rd myrna GA 30082 770-434-4905 500-657-4672 Fax 770-431-0119 Visa AmEx e-mail WalatonRET@aolcom LOOK FOR YOUR LOCAL NRHSA HOBBY SHOP l415 lb Flyittg Weight Gloss Fese & teel ,yttguerecee-stutttLedittgGeet CleOtCottepyAueitable Builders Kit $255 Sheeted tilt $965aelcee Sheeted Sit $495 ULTIMATESPORT RC 255 EoetAehlond/PO 727/Sode tptirtgs ldettn 83276 ULtINSIE eec apet 2555d737d2FeFetthet lete Settd SASE problem feedback battery drain B deactivated Are other ways accomplish process other dedicated channel would interesting know what Bills application maybe will let us know reports back suggestion works him review three servo wires must battery power accounts two wires third wire brings control information receiver telling go stop Unfortunately no standardization pin sequence wire colors Bills case wire switched out battery negative might seem obvious switch control signal some servos some systems some overshoot will occur Switching battery negative will stop servo instantly However down side method servo must have battery power develop holding force can easily move control surface radio off whatever servo being used actuate will push back can shift servo position though low-torque applications will okay Other ways Depending application some computer radios compensation mixing might fit bill cases can designate channel master other slave adjust slave operate side master stick movement desired degree proper mechanical linkage what think Bill attempting could accomplished Bill let know what works can share others might find useful Hint Month has unused channels RC transnmtter exposed male pins carrying battery voltage just writing about anything conductive such screw dropped fuselage installing servos gets across will fireworks good idea put piece tape over unused connectors Another Suggestion great buy basic tinkerers test instruments Digital Multi-Meter DMM MCM Electronics [800] 543-4330 Ohio offers wide range electronic components products including test equipment MCM catalogs Model 72-4025 DMM 3-digit /2-inch-high display ideal tests requiring laboratory precision includes voltage current AC DC resistance capacitance 2OuF transistors diodes frequency 20 MHz one-year warranty 72-4025 DMM normally priced $6595 However MCM has periodic specials about half price cant better no matter much shop around market good instrument give MCM try Ask special price currently effect will Other catalogs tinkerers 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JiieebuIl Glow Plugs Introduces NEW SUPER COOL Plug Hi Temp Insulator oniy $229 addition FIREBALL RC IDLE BAR plug $229 Hot & Standard Non-Idle Bar plugs still $195 Swanson Associates PO Box 151 Since e NJ 07470
