George Myers FROM time time people ask keep up flow ideas column Well magazine gives reader target address end column Therefore get least dozen letters per month try answer takes bunch time order recoup investment some questions lead columns assumption person takes time actually sit down write another hundred would like ound enthusiastic about product its because have personally used tested against expectations against competing products come up idea its great Since practically thing write about purchased own personal cash range subjects somewhat limited segue recent letter delighted yout dual mixers great what happened rest story caption under photo page 14 MA Oct 80 says next month will give details Deans 8-pin connector permits mix exponential controls Well November issue showed up OK no info rest mixer installa tion also say No til next year George please have mercy fly year round Florida short would like get Silver Seven back working order Please send rest info Thanks s Jim Craft Holiday FL Postmarked Tampa FL 9/26/80 Now letter arrived just right time have receiving complaints mostly second hand anonymous verbal recent columns have too technical about leave subject unfinished letter remindme cant satisfy people time Next month well take up something simple Right now finish job Dropping Other Shoe I Begin clearning place work continue left off back October 1980 column Under space plug-in options provisions six jumpers Scrape peel away PC material would under jumpers Remove jumper sockets too have installed see sketch 2 Turn board over find PC land marked S/S ENCODER MAINFRAME Re move strip PC material Ts runs under jumpers Solder insulated wire jumper restore connection 3 Reduce 8-pin Deans socket 7 pins cutting through pocket 8th pin razor blade after pulling Out metal pin course Drill seven No 55 052 dia holes center cleared area spaced receive solder pins Deans socket Fasten epoxy Zap Solder jumper wires Deans pins PC lands 146 7 Skip pinS 4 Cut across PC land lies between S/S ENCODER MAINFRAME edge board Remove strip 1/16-in wide Solder insulated wire pin 5 PC NE5044 side 5 Drill seven No 58 042 dia holes next plug onto Log Amp Zap balsa 25 VDC 9 Connect pin-to-pin between 6-pin Deans socket encoder board the Log Amp Ch 13 controls trims 10 Wire two remaining pins 8-pin Deans 0 5 VDC 11 Make everything neat Stand seven wires up cut off 15-in above board Pull seven male pins out Deans connector clip crease see sketch Solder wires push shrinktubing over pins Mash down little shrink-tubing clean hot soldering iron cover up soldered joint 12 Makeup fourjumpers using 1-in scraps wire plug end Thats Plug Log Amp mixer Im about show systematic way adjust transmitter inc pans arrangement inside Georges Silver Seven transmitter istight manageable willing work too can have transmitter designed precisely requirements Being different half fun Deans socket provide passage 7 wires use Ace Double Pack 40L25 1 gives five feet of eight colors color designates control channel follows 1 Brown 2 Red 3 Orange 4 Yellow 5 Green 6 Blue 7 Violet Solder appropri ate-colored wire PC lands 4 6 7 switches side board Solder wire 5 other side cut PC land Lead wires through appropriate holes 6 Cut another 8-pin socket down 6 pins save cutoff Plug 6-pin socket 8-pin socket onto Log Amp Cut two pieces balsa -in thick 1-in square Zap onto Deans sockets Position Log Amp Zap balsa transmitter case isnt neat works Paint balsa want pretty 7 Solder channel 13 wires Log Amp 8-pin Deans see sketch Lead up through holes encoder board should now have seven wires next 7-pin socket The Adjusting wires bring control voltages mixer Ch 1 3 voltages conditioned Log Amp 7-pin socket takes mixed voltages out encoder 8 Take cutoff single socket saved step 6 solder its connecting wire A Plug control wires socket no mixing yet B Set six span pots ch 13 90% full clockwise C Set remaining pot encoder 20 Model Aviation AGILE AIRPLANE MIXING CONCEPT Servo 1 driooe right aileron Seree 2 dritee elnoator Sorno 6 drione ott eileros Other sorvon 3 er 4 ttle 5 ing Gear CONTROL FUNCTIONS Ailerot Nero Plop Both ailerons eeoc sense direction Flapperonsi Eletator tal Eletator ted Plapporons U-Cottrol stoot gotapi Red C2 Elecators M1A Mit IE 2 M2A Brown [sjLeg Aetp 1 M2B IA TrioM21 ight Aileron 0 E 2 eft Aileron Miter Board Sockets HELICOPTER MIXING CONCEPT Collectite ISorno 5 ective ct Lift Control Throttle Servo 4 Throttle Colloctino tant Main Rotor pro Yaw Servo 3 K2 e Throttle Collectino tant Heading Green ite 2-pin 1 socket jaroper CS Ml Yellow leTriroMiS Mu Orange M2B Yaw TrioM21 Eneeder Board Sockets 3-pin jamper M12 2A 2-pie jaroper M22 ~ C3 Mixer Board Sockets 2-Pie 1 Socket luropor Mixer Board Socket 1I ci 11 IEecoder Board Socket 1121D1 4uFE1 3-Pot Jansper6 7 1 2-Pin Jeoper INTERCONNECTIONS FOR ELECTRONIC MIXING OP HELICOPTER CONTROLS Servo3 Tail rotor pitch control --4 Throttle control --5 Maie Rotor Collectine Pitch control See instruction 11 K1 & K2 potentioroeter adjattetents roixer board electronic roixing ginet tory qaick precise tail rotor control also giees yen direct in-flight control Main Rotor rpro Deans Pin MAKING PLUGS FOR THE PATCH PANEL Clip SolderShrink Tubing Wire 1/S inch slit let out wire 2a 0000t-roin] ono CeefrO5 01 Petaig01aneen K1 Dual Mixer Patch Panel Solder Side Numbers refer written instructions 16 text 0e tlI0T CeetO t Vetsn line te0001 Lea ACe Remote Log Amp Wiring Numbers refer written instructions 710 0 text mixer Log Amp mid-range yes D Plug servos ch 13 receiver turn E Center trims transmitter turn F Observe servos Adjust transmitter Master Centering Master Throw until servos Center properly have total throw 9Q0 G Plug additional servos necessary Adjust ch 47 controls proper centering direction throw H Adjust channels mixed 450 throw may use dual-rate function applicable I Plug mixer board plug control wires jumpers secure desired result see functional diagrams examples J Adjust pots mixer board get control throws ratios need Use ammeter between flight battery receiver check control trim combi nation ensure no servo stalled no control combination causes system malfunction K Remove ammeter fly plane find XPO function seems one-sided make adjustments Log Amp board effect pretty subtle no easy way measure set ground Much what finally makes right airplane Word Warning entirely possible end up trim throw control throw dont follow system did before figured out As mixer mod gets Out Ace repair service shouldnt bother because made sure workingAce style before started making changes didnt Now can favor Review past columns can find remember write postcard listing five best five worst opinion have Continued page 104 February 198121 Throttle Trio Yellow Green Control Encoder Board Sockets TWENTY- SEVENTH ANNUAL OLLDO RADIO CONTROL EXPOSITION TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO APRIL 1011 121981 FRIDAY SATURDAY SUNDAY 9 am 6 9 am 6 9am 430 pm pm pm presented WEAK SIGNALS po box 5772 R/C CLUB toledo ohio 43613 4. ..... ___ Radio Technique/Myers Continued page 21 subject hasnt covered satisfac tion let know baseline get paid writing column research testing comes result interest subject expenses come out pocket dont have interest subject pre disposes spend money isnt much chance Ill write about try month entertaining informative above accurate profession man agement Structural Test Engineering motto Get right information purpose carries over column too George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Time Machine/Ritchie Continued page 24 Smith coil used Wilco unit Its lugs provide easy method attachment well primary electrical connections Its fiber shell also oil proof though Hot-Stuffed end covers just make sure added miniature closed-circuit jack engine could started run booster bat teries independent pencells position shutoff switch Its wired booster plug interrupts circuit pencells dummy jack plug can inserted socket deactivate entire system extreme forward mounting ignition has number advantages helps balance ship allows maximum distance between placement coil receiver short length wiring necessary reach timer spark plug probably contributes reliable operation both engine radio tunately everything fits neatly beneath Clip per s nose cowl date ship has accumulated over 300 flights number different power plants various model Brown Jr Hurleman engines small collection Ive played around some different condensers capacitors prefer Just about anything between 01 01 mFd 250 600v will work electrical values dont seem too critical like best 01 mFd 400vsame originally supplied Brown Jr Most caps range polarized attention must paid plusses minuses hooking up Also caps small physical size dont last long Ive flown two different Wilco coils RUBBER STRIP FAI RUBBER 4 out 5 flyoff 1979 World Championships used FAI RUBBER Made USA SIZES % 3/16 1/8 3/32 1/16 1mm 042 thick SPOOLED GROSS WT 1% 1- LBS PRICE $1250 first spool PPD US Additional spools $1250 NEW PIRELLI SIZES 6mm 5mm 4mm X 1mm PRICE $1500 first hank PPD US Additional spools $1450 Sole US Distributor World-Wide Sales Send 25 cents 1980 Catalog ____ FAI Model Supply P0 Box 3957 Torrance CA 90510 Smith Competitor coil addition Smith Firecracker used Cavalier work about same As far spark lead resistor concerned theres no noticeable difference between 10K 12K would imagine resistance could increased until begins affect engine performance boosterbattery setup have pencell life quite good Ive replaced perhaps three four times radio may may impor tant part equation flying spark-ignition engines RC Mine five-year-old World Engines Expert Mark 7-channel 75640 MHz Ive used Worlds S-Il servos well Novak Bantam Midgets equal success Clipper 250 mAh flight battery entirely adequate full days flying Undoubtedly some makes radios maybe some individual radios same make probably susceptible ignition interference others Kraft radios particular seem have bad reputation regard yet Jack Van Dusen has flying dual-conversion Kraft receiver along really hot unshielded electronic ignition Dallaire Sportster re cently Jack way has 10K resistor spark lead too maybe thats ticket Clearly work needs done suspect spark-ignition engines probably flyable RC modelers thinkand having hire electrical engineer dream up fancy ignition system Word needs passed around what works what doesnt have old sparker youd like fly afraid losing Free Flight try RC RC Giant Scale/Beckman Continued page 27 Hostetlers super scale plans first heard Wendell Hostetler several years ago blew up Sig Skybolt Quarter Scale size Skybolt still going strong lot people have built own Wendells plans has added plans Liberty Sport Bucker Jungmeister comment below following appears instruction manual Liberty Sport very interesting note ages purchased plans first project Skybolt Almost excep tion over 40 has changed approach towards what should should included instructional manual thought beginners less experience would go Giant Scale route included Continued page 108 104 Model Aviation PLANS & CONSTR MANUAL Curtis s Hawk P6E Stinson Reliant SR9 2/4SCALE 94 ASP 52250 1/4SCALE i2BSP $2500 aSCALE 63SPAN $1250 SCALE ROSPAN 51500 IjSCALE 475/a SSi05O 25 SCALE 62 SPAN 51250 Curtiss FIIC2 Curtiss Gulfhawk IA iASCALE 545SP $3000 i/4SCALE 94SSP *3000 2SCALE 62SP $1500 2SCALE B3SP $1500 PLEASE ADD *200 FORP/N USASEND *100 WRITE FOR MAILING INFORMATION GAlA LOGE INCLUDE $100 FOR CATA LOGE 1213 HOLLY SPRING LANE GRAND BLANC MI 48439
Edition: Model Aviation - 1981/02
Page Numbers: 20, 21, 104
George Myers FROM time time people ask keep up flow ideas column Well magazine gives reader target address end column Therefore get least dozen letters per month try answer takes bunch time order recoup investment some questions lead columns assumption person takes time actually sit down write another hundred would like ound enthusiastic about product its because have personally used tested against expectations against competing products come up idea its great Since practically thing write about purchased own personal cash range subjects somewhat limited segue recent letter delighted yout dual mixers great what happened rest story caption under photo page 14 MA Oct 80 says next month will give details Deans 8-pin connector permits mix exponential controls Well November issue showed up OK no info rest mixer installa tion also say No til next year George please have mercy fly year round Florida short would like get Silver Seven back working order Please send rest info Thanks s Jim Craft Holiday FL Postmarked Tampa FL 9/26/80 Now letter arrived just right time have receiving complaints mostly second hand anonymous verbal recent columns have too technical about leave subject unfinished letter remindme cant satisfy people time Next month well take up something simple Right now finish job Dropping Other Shoe I Begin clearning place work continue left off back October 1980 column Under space plug-in options provisions six jumpers Scrape peel away PC material would under jumpers Remove jumper sockets too have installed see sketch 2 Turn board over find PC land marked S/S ENCODER MAINFRAME Re move strip PC material Ts runs under jumpers Solder insulated wire jumper restore connection 3 Reduce 8-pin Deans socket 7 pins cutting through pocket 8th pin razor blade after pulling Out metal pin course Drill seven No 55 052 dia holes center cleared area spaced receive solder pins Deans socket Fasten epoxy Zap Solder jumper wires Deans pins PC lands 146 7 Skip pinS 4 Cut across PC land lies between S/S ENCODER MAINFRAME edge board Remove strip 1/16-in wide Solder insulated wire pin 5 PC NE5044 side 5 Drill seven No 58 042 dia holes next plug onto Log Amp Zap balsa 25 VDC 9 Connect pin-to-pin between 6-pin Deans socket encoder board the Log Amp Ch 13 controls trims 10 Wire two remaining pins 8-pin Deans 0 5 VDC 11 Make everything neat Stand seven wires up cut off 15-in above board Pull seven male pins out Deans connector clip crease see sketch Solder wires push shrinktubing over pins Mash down little shrink-tubing clean hot soldering iron cover up soldered joint 12 Makeup fourjumpers using 1-in scraps wire plug end Thats Plug Log Amp mixer Im about show systematic way adjust transmitter inc pans arrangement inside Georges Silver Seven transmitter istight manageable willing work too can have transmitter designed precisely requirements Being different half fun Deans socket provide passage 7 wires use Ace Double Pack 40L25 1 gives five feet of eight colors color designates control channel follows 1 Brown 2 Red 3 Orange 4 Yellow 5 Green 6 Blue 7 Violet Solder appropri ate-colored wire PC lands 4 6 7 switches side board Solder wire 5 other side cut PC land Lead wires through appropriate holes 6 Cut another 8-pin socket down 6 pins save cutoff Plug 6-pin socket 8-pin socket onto Log Amp Cut two pieces balsa -in thick 1-in square Zap onto Deans sockets Position Log Amp Zap balsa transmitter case isnt neat works Paint balsa want pretty 7 Solder channel 13 wires Log Amp 8-pin Deans see sketch Lead up through holes encoder board should now have seven wires next 7-pin socket The Adjusting wires bring control voltages mixer Ch 1 3 voltages conditioned Log Amp 7-pin socket takes mixed voltages out encoder 8 Take cutoff single socket saved step 6 solder its connecting wire A Plug control wires socket no mixing yet B Set six span pots ch 13 90% full clockwise C Set remaining pot encoder 20 Model Aviation AGILE AIRPLANE MIXING CONCEPT Servo 1 driooe right aileron Seree 2 dritee elnoator Sorno 6 drione ott eileros Other sorvon 3 er 4 ttle 5 ing Gear CONTROL FUNCTIONS Ailerot Nero Plop Both ailerons eeoc sense direction Flapperonsi Eletator tal Eletator ted Plapporons U-Cottrol stoot gotapi Red C2 Elecators M1A Mit IE 2 M2A Brown [sjLeg Aetp 1 M2B IA TrioM21 ight Aileron 0 E 2 eft Aileron Miter Board Sockets HELICOPTER MIXING CONCEPT Collectite ISorno 5 ective ct Lift Control Throttle Servo 4 Throttle Colloctino tant Main Rotor pro Yaw Servo 3 K2 e Throttle Collectino tant Heading Green ite 2-pin 1 socket jaroper CS Ml Yellow leTriroMiS Mu Orange M2B Yaw TrioM21 Eneeder Board Sockets 3-pin jamper M12 2A 2-pie jaroper M22 ~ C3 Mixer Board Sockets 2-Pie 1 Socket luropor Mixer Board Socket 1I ci 11 IEecoder Board Socket 1121D1 4uFE1 3-Pot Jansper6 7 1 2-Pin Jeoper INTERCONNECTIONS FOR ELECTRONIC MIXING OP HELICOPTER CONTROLS Servo3 Tail rotor pitch control --4 Throttle control --5 Maie Rotor Collectine Pitch control See instruction 11 K1 & K2 potentioroeter adjattetents roixer board electronic roixing ginet tory qaick precise tail rotor control also giees yen direct in-flight control Main Rotor rpro Deans Pin MAKING PLUGS FOR THE PATCH PANEL Clip SolderShrink Tubing Wire 1/S inch slit let out wire 2a 0000t-roin] ono CeefrO5 01 Petaig01aneen K1 Dual Mixer Patch Panel Solder Side Numbers refer written instructions 16 text 0e tlI0T CeetO t Vetsn line te0001 Lea ACe Remote Log Amp Wiring Numbers refer written instructions 710 0 text mixer Log Amp mid-range yes D Plug servos ch 13 receiver turn E Center trims transmitter turn F Observe servos Adjust transmitter Master Centering Master Throw until servos Center properly have total throw 9Q0 G Plug additional servos necessary Adjust ch 47 controls proper centering direction throw H Adjust channels mixed 450 throw may use dual-rate function applicable I Plug mixer board plug control wires jumpers secure desired result see functional diagrams examples J Adjust pots mixer board get control throws ratios need Use ammeter between flight battery receiver check control trim combi nation ensure no servo stalled no control combination causes system malfunction K Remove ammeter fly plane find XPO function seems one-sided make adjustments Log Amp board effect pretty subtle no easy way measure set ground Much what finally makes right airplane Word Warning entirely possible end up trim throw control throw dont follow system did before figured out As mixer mod gets Out Ace repair service shouldnt bother because made sure workingAce style before started making changes didnt Now can favor Review past columns can find remember write postcard listing five best five worst opinion have Continued page 104 February 198121 Throttle Trio Yellow Green Control Encoder Board Sockets TWENTY- SEVENTH ANNUAL OLLDO RADIO CONTROL EXPOSITION TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO APRIL 1011 121981 FRIDAY SATURDAY SUNDAY 9 am 6 9 am 6 9am 430 pm pm pm presented WEAK SIGNALS po box 5772 R/C CLUB toledo ohio 43613 4. ..... ___ Radio Technique/Myers Continued page 21 subject hasnt covered satisfac tion let know baseline get paid writing column research testing comes result interest subject expenses come out pocket dont have interest subject pre disposes spend money isnt much chance Ill write about try month entertaining informative above accurate profession man agement Structural Test Engineering motto Get right information purpose carries over column too George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Time Machine/Ritchie Continued page 24 Smith coil used Wilco unit Its lugs provide easy method attachment well primary electrical connections Its fiber shell also oil proof though Hot-Stuffed end covers just make sure added miniature closed-circuit jack engine could started run booster bat teries independent pencells position shutoff switch Its wired booster plug interrupts circuit pencells dummy jack plug can inserted socket deactivate entire system extreme forward mounting ignition has number advantages helps balance ship allows maximum distance between placement coil receiver short length wiring necessary reach timer spark plug probably contributes reliable operation both engine radio tunately everything fits neatly beneath Clip per s nose cowl date ship has accumulated over 300 flights number different power plants various model Brown Jr Hurleman engines small collection Ive played around some different condensers capacitors prefer Just about anything between 01 01 mFd 250 600v will work electrical values dont seem too critical like best 01 mFd 400vsame originally supplied Brown Jr Most caps range polarized attention must paid plusses minuses hooking up Also caps small physical size dont last long Ive flown two different Wilco coils RUBBER STRIP FAI RUBBER 4 out 5 flyoff 1979 World Championships used FAI RUBBER Made USA SIZES % 3/16 1/8 3/32 1/16 1mm 042 thick SPOOLED GROSS WT 1% 1- LBS PRICE $1250 first spool PPD US Additional spools $1250 NEW PIRELLI SIZES 6mm 5mm 4mm X 1mm PRICE $1500 first hank PPD US Additional spools $1450 Sole US Distributor World-Wide Sales Send 25 cents 1980 Catalog ____ FAI Model Supply P0 Box 3957 Torrance CA 90510 Smith Competitor coil addition Smith Firecracker used Cavalier work about same As far spark lead resistor concerned theres no noticeable difference between 10K 12K would imagine resistance could increased until begins affect engine performance boosterbattery setup have pencell life quite good Ive replaced perhaps three four times radio may may impor tant part equation flying spark-ignition engines RC Mine five-year-old World Engines Expert Mark 7-channel 75640 MHz Ive used Worlds S-Il servos well Novak Bantam Midgets equal success Clipper 250 mAh flight battery entirely adequate full days flying Undoubtedly some makes radios maybe some individual radios same make probably susceptible ignition interference others Kraft radios particular seem have bad reputation regard yet Jack Van Dusen has flying dual-conversion Kraft receiver along really hot unshielded electronic ignition Dallaire Sportster re cently Jack way has 10K resistor spark lead too maybe thats ticket Clearly work needs done suspect spark-ignition engines probably flyable RC modelers thinkand having hire electrical engineer dream up fancy ignition system Word needs passed around what works what doesnt have old sparker youd like fly afraid losing Free Flight try RC RC Giant Scale/Beckman Continued page 27 Hostetlers super scale plans first heard Wendell Hostetler several years ago blew up Sig Skybolt Quarter Scale size Skybolt still going strong lot people have built own Wendells plans has added plans Liberty Sport Bucker Jungmeister comment below following appears instruction manual Liberty Sport very interesting note ages purchased plans first project Skybolt Almost excep tion over 40 has changed approach towards what should should included instructional manual thought beginners less experience would go Giant Scale route included Continued page 108 104 Model Aviation PLANS & CONSTR MANUAL Curtis s Hawk P6E Stinson Reliant SR9 2/4SCALE 94 ASP 52250 1/4SCALE i2BSP $2500 aSCALE 63SPAN $1250 SCALE ROSPAN 51500 IjSCALE 475/a SSi05O 25 SCALE 62 SPAN 51250 Curtiss FIIC2 Curtiss Gulfhawk IA iASCALE 545SP $3000 i/4SCALE 94SSP *3000 2SCALE 62SP $1500 2SCALE B3SP $1500 PLEASE ADD *200 FORP/N USASEND *100 WRITE FOR MAILING INFORMATION GAlA LOGE INCLUDE $100 FOR CATA LOGE 1213 HOLLY SPRING LANE GRAND BLANC MI 48439
Edition: Model Aviation - 1981/02
Page Numbers: 20, 21, 104
George Myers FROM time time people ask keep up flow ideas column Well magazine gives reader target address end column Therefore get least dozen letters per month try answer takes bunch time order recoup investment some questions lead columns assumption person takes time actually sit down write another hundred would like ound enthusiastic about product its because have personally used tested against expectations against competing products come up idea its great Since practically thing write about purchased own personal cash range subjects somewhat limited segue recent letter delighted yout dual mixers great what happened rest story caption under photo page 14 MA Oct 80 says next month will give details Deans 8-pin connector permits mix exponential controls Well November issue showed up OK no info rest mixer installa tion also say No til next year George please have mercy fly year round Florida short would like get Silver Seven back working order Please send rest info Thanks s Jim Craft Holiday FL Postmarked Tampa FL 9/26/80 Now letter arrived just right time have receiving complaints mostly second hand anonymous verbal recent columns have too technical about leave subject unfinished letter remindme cant satisfy people time Next month well take up something simple Right now finish job Dropping Other Shoe I Begin clearning place work continue left off back October 1980 column Under space plug-in options provisions six jumpers Scrape peel away PC material would under jumpers Remove jumper sockets too have installed see sketch 2 Turn board over find PC land marked S/S ENCODER MAINFRAME Re move strip PC material Ts runs under jumpers Solder insulated wire jumper restore connection 3 Reduce 8-pin Deans socket 7 pins cutting through pocket 8th pin razor blade after pulling Out metal pin course Drill seven No 55 052 dia holes center cleared area spaced receive solder pins Deans socket Fasten epoxy Zap Solder jumper wires Deans pins PC lands 146 7 Skip pinS 4 Cut across PC land lies between S/S ENCODER MAINFRAME edge board Remove strip 1/16-in wide Solder insulated wire pin 5 PC NE5044 side 5 Drill seven No 58 042 dia holes next plug onto Log Amp Zap balsa 25 VDC 9 Connect pin-to-pin between 6-pin Deans socket encoder board the Log Amp Ch 13 controls trims 10 Wire two remaining pins 8-pin Deans 0 5 VDC 11 Make everything neat Stand seven wires up cut off 15-in above board Pull seven male pins out Deans connector clip crease see sketch Solder wires push shrinktubing over pins Mash down little shrink-tubing clean hot soldering iron cover up soldered joint 12 Makeup fourjumpers using 1-in scraps wire plug end Thats Plug Log Amp mixer Im about show systematic way adjust transmitter inc pans arrangement inside Georges Silver Seven transmitter istight manageable willing work too can have transmitter designed precisely requirements Being different half fun Deans socket provide passage 7 wires use Ace Double Pack 40L25 1 gives five feet of eight colors color designates control channel follows 1 Brown 2 Red 3 Orange 4 Yellow 5 Green 6 Blue 7 Violet Solder appropri ate-colored wire PC lands 4 6 7 switches side board Solder wire 5 other side cut PC land Lead wires through appropriate holes 6 Cut another 8-pin socket down 6 pins save cutoff Plug 6-pin socket 8-pin socket onto Log Amp Cut two pieces balsa -in thick 1-in square Zap onto Deans sockets Position Log Amp Zap balsa transmitter case isnt neat works Paint balsa want pretty 7 Solder channel 13 wires Log Amp 8-pin Deans see sketch Lead up through holes encoder board should now have seven wires next 7-pin socket The Adjusting wires bring control voltages mixer Ch 1 3 voltages conditioned Log Amp 7-pin socket takes mixed voltages out encoder 8 Take cutoff single socket saved step 6 solder its connecting wire A Plug control wires socket no mixing yet B Set six span pots ch 13 90% full clockwise C Set remaining pot encoder 20 Model Aviation AGILE AIRPLANE MIXING CONCEPT Servo 1 driooe right aileron Seree 2 dritee elnoator Sorno 6 drione ott eileros Other sorvon 3 er 4 ttle 5 ing Gear CONTROL FUNCTIONS Ailerot Nero Plop Both ailerons eeoc sense direction Flapperonsi Eletator tal Eletator ted Plapporons U-Cottrol stoot gotapi Red C2 Elecators M1A Mit IE 2 M2A Brown [sjLeg Aetp 1 M2B IA TrioM21 ight Aileron 0 E 2 eft Aileron Miter Board Sockets HELICOPTER MIXING CONCEPT Collectite ISorno 5 ective ct Lift Control Throttle Servo 4 Throttle Colloctino tant Main Rotor pro Yaw Servo 3 K2 e Throttle Collectino tant Heading Green ite 2-pin 1 socket jaroper CS Ml Yellow leTriroMiS Mu Orange M2B Yaw TrioM21 Eneeder Board Sockets 3-pin jamper M12 2A 2-pie jaroper M22 ~ C3 Mixer Board Sockets 2-Pie 1 Socket luropor Mixer Board Socket 1I ci 11 IEecoder Board Socket 1121D1 4uFE1 3-Pot Jansper6 7 1 2-Pin Jeoper INTERCONNECTIONS FOR ELECTRONIC MIXING OP HELICOPTER CONTROLS Servo3 Tail rotor pitch control --4 Throttle control --5 Maie Rotor Collectine Pitch control See instruction 11 K1 & K2 potentioroeter adjattetents roixer board electronic roixing ginet tory qaick precise tail rotor control also giees yen direct in-flight control Main Rotor rpro Deans Pin MAKING PLUGS FOR THE PATCH PANEL Clip SolderShrink Tubing Wire 1/S inch slit let out wire 2a 0000t-roin] ono CeefrO5 01 Petaig01aneen K1 Dual Mixer Patch Panel Solder Side Numbers refer written instructions 16 text 0e tlI0T CeetO t Vetsn line te0001 Lea ACe Remote Log Amp Wiring Numbers refer written instructions 710 0 text mixer Log Amp mid-range yes D Plug servos ch 13 receiver turn E Center trims transmitter turn F Observe servos Adjust transmitter Master Centering Master Throw until servos Center properly have total throw 9Q0 G Plug additional servos necessary Adjust ch 47 controls proper centering direction throw H Adjust channels mixed 450 throw may use dual-rate function applicable I Plug mixer board plug control wires jumpers secure desired result see functional diagrams examples J Adjust pots mixer board get control throws ratios need Use ammeter between flight battery receiver check control trim combi nation ensure no servo stalled no control combination causes system malfunction K Remove ammeter fly plane find XPO function seems one-sided make adjustments Log Amp board effect pretty subtle no easy way measure set ground Much what finally makes right airplane Word Warning entirely possible end up trim throw control throw dont follow system did before figured out As mixer mod gets Out Ace repair service shouldnt bother because made sure workingAce style before started making changes didnt Now can favor Review past columns can find remember write postcard listing five best five worst opinion have Continued page 104 February 198121 Throttle Trio Yellow Green Control Encoder Board Sockets TWENTY- SEVENTH ANNUAL OLLDO RADIO CONTROL EXPOSITION TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO APRIL 1011 121981 FRIDAY SATURDAY SUNDAY 9 am 6 9 am 6 9am 430 pm pm pm presented WEAK SIGNALS po box 5772 R/C CLUB toledo ohio 43613 4. ..... ___ Radio Technique/Myers Continued page 21 subject hasnt covered satisfac tion let know baseline get paid writing column research testing comes result interest subject expenses come out pocket dont have interest subject pre disposes spend money isnt much chance Ill write about try month entertaining informative above accurate profession man agement Structural Test Engineering motto Get right information purpose carries over column too George M Myers 70 Froehlich Farm Rd Hicksville NY 11801 Time Machine/Ritchie Continued page 24 Smith coil used Wilco unit Its lugs provide easy method attachment well primary electrical connections Its fiber shell also oil proof though Hot-Stuffed end covers just make sure added miniature closed-circuit jack engine could started run booster bat teries independent pencells position shutoff switch Its wired booster plug interrupts circuit pencells dummy jack plug can inserted socket deactivate entire system extreme forward mounting ignition has number advantages helps balance ship allows maximum distance between placement coil receiver short length wiring necessary reach timer spark plug probably contributes reliable operation both engine radio tunately everything fits neatly beneath Clip per s nose cowl date ship has accumulated over 300 flights number different power plants various model Brown Jr Hurleman engines small collection Ive played around some different condensers capacitors prefer Just about anything between 01 01 mFd 250 600v will work electrical values dont seem too critical like best 01 mFd 400vsame originally supplied Brown Jr Most caps range polarized attention must paid plusses minuses hooking up Also caps small physical size dont last long Ive flown two different Wilco coils RUBBER STRIP FAI RUBBER 4 out 5 flyoff 1979 World Championships used FAI RUBBER Made USA SIZES % 3/16 1/8 3/32 1/16 1mm 042 thick SPOOLED GROSS WT 1% 1- LBS PRICE $1250 first spool PPD US Additional spools $1250 NEW PIRELLI SIZES 6mm 5mm 4mm X 1mm PRICE $1500 first hank PPD US Additional spools $1450 Sole US Distributor World-Wide Sales Send 25 cents 1980 Catalog ____ FAI Model Supply P0 Box 3957 Torrance CA 90510 Smith Competitor coil addition Smith Firecracker used Cavalier work about same As far spark lead resistor concerned theres no noticeable difference between 10K 12K would imagine resistance could increased until begins affect engine performance boosterbattery setup have pencell life quite good Ive replaced perhaps three four times radio may may impor tant part equation flying spark-ignition engines RC Mine five-year-old World Engines Expert Mark 7-channel 75640 MHz Ive used Worlds S-Il servos well Novak Bantam Midgets equal success Clipper 250 mAh flight battery entirely adequate full days flying Undoubtedly some makes radios maybe some individual radios same make probably susceptible ignition interference others Kraft radios particular seem have bad reputation regard yet Jack Van Dusen has flying dual-conversion Kraft receiver along really hot unshielded electronic ignition Dallaire Sportster re cently Jack way has 10K resistor spark lead too maybe thats ticket Clearly work needs done suspect spark-ignition engines probably flyable RC modelers thinkand having hire electrical engineer dream up fancy ignition system Word needs passed around what works what doesnt have old sparker youd like fly afraid losing Free Flight try RC RC Giant Scale/Beckman Continued page 27 Hostetlers super scale plans first heard Wendell Hostetler several years ago blew up Sig Skybolt Quarter Scale size Skybolt still going strong lot people have built own Wendells plans has added plans Liberty Sport Bucker Jungmeister comment below following appears instruction manual Liberty Sport very interesting note ages purchased plans first project Skybolt Almost excep tion over 40 has changed approach towards what should should included instructional manual thought beginners less experience would go Giant Scale route included Continued page 108 104 Model Aviation PLANS & CONSTR MANUAL Curtis s Hawk P6E Stinson Reliant SR9 2/4SCALE 94 ASP 52250 1/4SCALE i2BSP $2500 aSCALE 63SPAN $1250 SCALE ROSPAN 51500 IjSCALE 475/a SSi05O 25 SCALE 62 SPAN 51250 Curtiss FIIC2 Curtiss Gulfhawk IA iASCALE 545SP $3000 i/4SCALE 94SSP *3000 2SCALE 62SP $1500 2SCALE B3SP $1500 PLEASE ADD *200 FORP/N USASEND *100 WRITE FOR MAILING INFORMATION GAlA LOGE INCLUDE $100 FOR CATA LOGE 1213 HOLLY SPRING LANE GRAND BLANC MI 48439