Radio Control Scale Bob Dolly Wischer OPERATIONAL details Scale modelers aspire produce Scale masterpiece com pletely cowled engine have common problem becomes challenge hide necessary glow plug connector needle valve adjustment preserve smooth extemal surface cowl Some us look easy way out make effort minimize conspicuous ap pearance eyesores come con clusion large hole cowl insertion glow plug connector doesnt really look too bad after decide use smallest extemal connector hope will escape notice own Scale aircraft numbering about 20 use same glow plug connector open-frame two-conductor subminiature phone jack selected primarily because easy avail ability electronic supply houses like Ra dio Shack example Also industry standards likely become obsolete over years come two sizes Y2in sub miniature Ain miniature early models used 3A2in size standardization rea sons continued later models Y32in size bit fragile may subject eventual vibration fatiguea very real problem now four-stroke engines have become pre ferred units Scale starting again insize jack rugged construction would prob ably choice However its dimensions much larger 3A2in size model having no convenient method hiding jack consequence must visible smaller much less conspicuous Several recent models have Y3in jack mounted boldly right out open cowl side simply because no other spot could found wouldnt include long wires other incon venience larger modelsand cer tainly trend todaythe tiny nut barrel visible obtrusive appearance objectionable jack can mounted sepa rate plywood plate spaced away internal cowl surface exposed hole sertion plug through cowl side Another hidden location jack underside fuselage vent opening exiting air problem setup difficulty finding jack inverting model always desir able Having cause some vexing expe riences flight line just prior takeoff completely-hidden jack has fallen disfavor word about jacks configuration Two types offered open circuit closed circuit model applications either type accept able need make simple connection tip ferrule phone plug past first experimented on-board ignition Ni-Cd battery used closedcircuit type because extra contact would open phone plug inserted extra contact disconnected on-board bat tery ideal nose weight inserting plug system employed throttle-actuated switch connect battery glow plug low throttle settings scheme obvious flaw flights end throttle reopened prevent batterys discharging through glow plug forgotten too often on-board bat tery almost always dead now use dif ferent system employing separate switch glow ignition must switched flights beginning end same receiver switch two switch actuators side-by-side avoid memory lapses using Ace Ni Lite Ill on-board system switch included Connection glow plug now simple matter Model Products Corp Remote Headlock tiny needs extra /sin space above glow-plug tip has added con venience quick connect release facilitate plug changing extra Yi isnt available seems happen quite often can always return old reliable homemade connector used years Its Ain brass wheel collar extra hole drilled its edge soldering lead wire remote possibility collar could accidentally con tact cylinder-head cooling fins drop fiber sulating washer over glow-plug center post before tightening collars setscrew ob vious disadvantage collar additional time effort needed change plug Connector wire length phone jack glow plug should kept minimum flexibility An Enya tour-stroke 120 Cu engine inverted Norm McLeiians Hawker Hurricane 1 retract mechanism Norms own design Finish Hobbypoxy Proctor Nieuport 2B R uses Tartan twin power Engine-cooilng air fiow controlled system baffies cowi Finish Super Coverite dope weight isiB ib Ai Waiker bu ider Fiying site Flying Dutchmens ciub fieid 1 /5-scaie Stearman PT-i 7L originated Steriing kit Builder Harry Kunesh powered Itwith K&B 61 Weight 10 ib finish Permagioss Coverite Biack Baron epoxy paint Laddie Mlkuiaskos 1/4-scaie Don Quixote ultrailght R uses OS 40 wIth crankcase front mounted 90 offset engine wiii run reverse-rotation use standard propeilers Weight 7 ib 46 Model Aviation under vibration conditions multi-stranded wire best r current-carrying capacity prefer 16 18 gauge Jomar 16-gauge wire has 259 strands extreme flexibility must remem bered oils type stranded wire susceptible breakage near solder joints because solder will wick along strands short distance Frac ture due vibration will occur solder terminates along wire wire supported near solder joint problem somewhat alleviated use phone jack airplane glow starting now need special cord battery phone plug tip can real nuisance use same battery airplane such sport model equipped exposed engine glow plug Most extension cords will have various glow-plug connectors business end may using McDaniel Ni-Starter Ace NiLite II something similar connects directly glow plug What needed now odapter cord will match glow connector phone plug may especially hard find hobby shop popular mail order catalogs Despair Its easy inoke Search through scrap box old burned-out glow plug prefer use old Fox plug Place vise threaded end upward grind file off enough steel expose inner core brass some other nonferrous material Solder length 2in OD brass tube over inner core solder suitable length stranded wire exposed tube end File flat surface remaining threads plug solder second wire flat Solder phone plug other ends wire adapter complete Short lengths shrink tube wires pre vent accidental short circuits arent likely insulation wire remains place directly up solder joints Wrap solder joints electrical tape have used such adapters years no problems except seem get lost frequently Solution Make several Theyre cheap word warning about cord could fire hazard field box remains connected battery phone tip rests against anything metallic exposed phone tip has opposite polarities separated /rin _ Needle valve extension past columns have discussed various methods adjusting carburetor needle valves fully-enclosed engines Scale models required flexible cable some sort brought out point behind engine bevel gears employed change rotational motion 900 schemes operational anything simple gimmickry involved always something vexation searched direct route needle have concluded small hole cowl needle valve exension would acceptable interest simplicity tried screwdriver slots found problems align ment maintaining engagement result engine vibration positive drive have found such arrangement through hexagonal shaft cou pled matching hex socket nut-driver type found sets local hobby shop Also hobby shop length K&S 3/v--in hexagon brass tube hole through cowl can have diameter small 5A2 Yi6 must exactly aligned engines needle valve centerline Enys needle axial hole its end cross hole setscrew filing small bit hex brass tube comers could fitted axial hole Tightening setContinued page 152 PO Box 791257 San Antonio Texas 78279 Order Phone 512 525-0751 Mail Shipping US UPS Over $15000- FREE UPS Under $150 Add $450 UPS 2nd Day Air Up 7 lbs- Add $995 Parcel Post $450 Canada-Add 100/s COD Add $200 FUTABA RADIOS 7FGKH w/130 Servos25595 7FGK w14 Servos18695 6FGK w14 Servos16895 5FGK w14 Servos15995 6FGw14 Servos14995 4FGw14 Servos13595 4NLw13 Servos10795 S-38Servos1995 S-28Servos1995 RIC ENGINES MUFFLERS INCLUDED Enya SS25B ... New .. Enya SS4OBBTV.. New.. Enya SS45BBTV.. New.. Fox Eagle 111 K&B 20 R/O K&B 40 R/O K&B 61 R/O 5995 7695 8895 7595 2895 4595 5495 DREMEL TOOLS #3950 Variable Sod 40/sec5895 #2850 Two spd 30/ace5195 #2750 Single spd 15/5cc3995 #212 Deluxe Drill Press2995 COVERING MATERIALS & ACCESSORIES Monokote Opaque675 Monokote Transparent675 Monokote Metallic740 GLUE ZAP 2 oz thick thin545 ZAP 1 oz thick thin295 ZAP hick thin202 ZAP 1 oz slowl325 ZAP 1 oz Ilexl595 Zip Kicker375 Jet Super Jet 2 oz545 Jet Saper Jet 1 oz345 Slow Jet 1 oz345 Jet Super Jet oz169 Hot Stuff Super Req 2 oz450 Hot Stuff Super Req 0 ARE YOU TIRED OF POOR SERVICE CALL US BY 200 PM AND HAVE YOUR ORDER SHIPPED TODAY PRICES SUBJECT TO CHANGE SOME QUANTITIES LIMITED June1987 47 Ra.q8 1{oltbtj BUILDERS SPECIAL DREMEL TOOL COMBO #2850 Moto Tool w130 Acc #212 Deluxe Drill Press $7500 WHEN YOU FORGET\OUR UNITS REMEMBER RC System NiCd Batteries chargers need packagelFor Cycler-Charger$17995 Fits 48V Rs 96V Tx packsPlus $5 S&HGeGel Others available write call Batteries F Regular Model$3995 field kit smallPlus $2 S&H electric boat batteriesSpecify 612 24V Heavy Duty Model$4995 sport winch large boat andPlus $250 S&H electric power charging batteriesSpecify 6 1 2V CaRa ProductssAsE tar iniarnraiixn OX 221 605-987-5924Dealer inctuiSes invitedCanton SD 57013 RC Aerobatics/Van Putte Continued page 149 voted put effect same year doesnt work can eliminated following year Practically sports have annual rules changeswhy cant summary sport/hobby mem bers ones hobby now fliers across country crying change yet rules-making process makes almost impossible know about frustrations problems because have happened personally Ive spent great deal time money effort submit ruleswhich received overwhelming majority votesonly see fail Thanks Mike Youve given us lot chew Look photos column because able scrape some up last minute get very few photos modelers around country Most ones see However Id love get some pictures sport Aerobatics anybody would make job lot easier submitters get $5 per photo plus printed credit efforts Please send some good black-and-white photos negatives suggested captions good-quality color prints can converted black-and-white thats have Ill send back afterward prefer Good clear Polaroid shots also acceptable editor Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Scale/Wischers Continued page 47 screw crushed tube undesirable because became difficult disassemble prevent crushing soldered short length 062-diameter music wire tube end Tube length should cut will reach cowls outer surface needle set position optimum engine performance Next solder another short length music wire ottter end hex brass tube letting extend about 3/3 operation place open end hex driver over music wire tip rotate driver until engages hex tube system resistant vibration wire tip does interfere engaging hex tube positive drive needle valve Best no machining required /s 5/~ hex socket drivers will fit K&S tubing sizes adaption other needle valves attachment needle isnt quite simple cowl hole necessarily larger Maxey Hester once said Never build Scale model provision carburetor adjust ment wholehearedly subscribe axiom though needle-tweaking considered sinful can cause accidents prevents system described especially adapted four-stroke engines needle safe distance behind whirling propeller schemes control needle setting easiest use positive New album Paul Matt Keun Rust Tom Foxworth have done again another new Histori cal Aviation Album Volume 18 containing seven multi-view Scale drawings 187 photos including constructional details written historical data Aircraft depicted include Taylor E-2 Cub Taylor 1-2 Cub Piper 1-3 Cub Piper J-4E Cub Coupe Curtiss F9C-2 Sparrowhawk Curtiss B-20 Condor airliner Conqueror engines Curtiss B-2 Con dor Bomber could modeling sub jects drawings three-view additional views wherever necessary show cross sections internal construction instrument panel Sparrowhawk drawing Bergen Hardesty actually five-view showing both sides top bot tom front extra views fuselage wing sections Bergen Hardesty will remem bered Nieuport series Model Airplane News 1956 through early Sixties definitive work period earlier Historical Aviation Albums have become collectors items An often-heard lament Scale modelers collection Albums isnt complete Volume 18 will surely take its place worthy addition Scale modelers library make frequent reference issues have now built six Scale models dating back 1970 drawings found Albums price Vol 18 $1295 postpaid Historical Aviation Album PO Box 33 Temple City CA 91780 Bob Dolly Wiseher 5-22 1 Lapham Peak Rd Delafleld WI 53018 3inin MOVING COMPLETETHISFORMANDATTACH U MAILING LABEL FROM REGENT IISSUEI LET US KNOW WHERE YOU ARE IGOING IwI UN IILWG O vz0 0 zJ CJ I~ -~ I~N1 0o o inI OEII CS a0 iC6 uEoO ICJinI rinCfl I03 IU ii Cino0 xu E fft 3ua -CJ 3 i~0a aX I0•W 0 C ~2-oI ~I -EWwC ua o~a1 C0inIna ~c aaaH 3 I0E2 II aa a3 aat IE z 03 52 Model Aviation ZMA Name Street Address City StateZip
Edition: Model Aviation - 1987/06
Page Numbers: 46, 47, 152
Radio Control Scale Bob Dolly Wischer OPERATIONAL details Scale modelers aspire produce Scale masterpiece com pletely cowled engine have common problem becomes challenge hide necessary glow plug connector needle valve adjustment preserve smooth extemal surface cowl Some us look easy way out make effort minimize conspicuous ap pearance eyesores come con clusion large hole cowl insertion glow plug connector doesnt really look too bad after decide use smallest extemal connector hope will escape notice own Scale aircraft numbering about 20 use same glow plug connector open-frame two-conductor subminiature phone jack selected primarily because easy avail ability electronic supply houses like Ra dio Shack example Also industry standards likely become obsolete over years come two sizes Y2in sub miniature Ain miniature early models used 3A2in size standardization rea sons continued later models Y32in size bit fragile may subject eventual vibration fatiguea very real problem now four-stroke engines have become pre ferred units Scale starting again insize jack rugged construction would prob ably choice However its dimensions much larger 3A2in size model having no convenient method hiding jack consequence must visible smaller much less conspicuous Several recent models have Y3in jack mounted boldly right out open cowl side simply because no other spot could found wouldnt include long wires other incon venience larger modelsand cer tainly trend todaythe tiny nut barrel visible obtrusive appearance objectionable jack can mounted sepa rate plywood plate spaced away internal cowl surface exposed hole sertion plug through cowl side Another hidden location jack underside fuselage vent opening exiting air problem setup difficulty finding jack inverting model always desir able Having cause some vexing expe riences flight line just prior takeoff completely-hidden jack has fallen disfavor word about jacks configuration Two types offered open circuit closed circuit model applications either type accept able need make simple connection tip ferrule phone plug past first experimented on-board ignition Ni-Cd battery used closedcircuit type because extra contact would open phone plug inserted extra contact disconnected on-board bat tery ideal nose weight inserting plug system employed throttle-actuated switch connect battery glow plug low throttle settings scheme obvious flaw flights end throttle reopened prevent batterys discharging through glow plug forgotten too often on-board bat tery almost always dead now use dif ferent system employing separate switch glow ignition must switched flights beginning end same receiver switch two switch actuators side-by-side avoid memory lapses using Ace Ni Lite Ill on-board system switch included Connection glow plug now simple matter Model Products Corp Remote Headlock tiny needs extra /sin space above glow-plug tip has added con venience quick connect release facilitate plug changing extra Yi isnt available seems happen quite often can always return old reliable homemade connector used years Its Ain brass wheel collar extra hole drilled its edge soldering lead wire remote possibility collar could accidentally con tact cylinder-head cooling fins drop fiber sulating washer over glow-plug center post before tightening collars setscrew ob vious disadvantage collar additional time effort needed change plug Connector wire length phone jack glow plug should kept minimum flexibility An Enya tour-stroke 120 Cu engine inverted Norm McLeiians Hawker Hurricane 1 retract mechanism Norms own design Finish Hobbypoxy Proctor Nieuport 2B R uses Tartan twin power Engine-cooilng air fiow controlled system baffies cowi Finish Super Coverite dope weight isiB ib Ai Waiker bu ider Fiying site Flying Dutchmens ciub fieid 1 /5-scaie Stearman PT-i 7L originated Steriing kit Builder Harry Kunesh powered Itwith K&B 61 Weight 10 ib finish Permagioss Coverite Biack Baron epoxy paint Laddie Mlkuiaskos 1/4-scaie Don Quixote ultrailght R uses OS 40 wIth crankcase front mounted 90 offset engine wiii run reverse-rotation use standard propeilers Weight 7 ib 46 Model Aviation under vibration conditions multi-stranded wire best r current-carrying capacity prefer 16 18 gauge Jomar 16-gauge wire has 259 strands extreme flexibility must remem bered oils type stranded wire susceptible breakage near solder joints because solder will wick along strands short distance Frac ture due vibration will occur solder terminates along wire wire supported near solder joint problem somewhat alleviated use phone jack airplane glow starting now need special cord battery phone plug tip can real nuisance use same battery airplane such sport model equipped exposed engine glow plug Most extension cords will have various glow-plug connectors business end may using McDaniel Ni-Starter Ace NiLite II something similar connects directly glow plug What needed now odapter cord will match glow connector phone plug may especially hard find hobby shop popular mail order catalogs Despair Its easy inoke Search through scrap box old burned-out glow plug prefer use old Fox plug Place vise threaded end upward grind file off enough steel expose inner core brass some other nonferrous material Solder length 2in OD brass tube over inner core solder suitable length stranded wire exposed tube end File flat surface remaining threads plug solder second wire flat Solder phone plug other ends wire adapter complete Short lengths shrink tube wires pre vent accidental short circuits arent likely insulation wire remains place directly up solder joints Wrap solder joints electrical tape have used such adapters years no problems except seem get lost frequently Solution Make several Theyre cheap word warning about cord could fire hazard field box remains connected battery phone tip rests against anything metallic exposed phone tip has opposite polarities separated /rin _ Needle valve extension past columns have discussed various methods adjusting carburetor needle valves fully-enclosed engines Scale models required flexible cable some sort brought out point behind engine bevel gears employed change rotational motion 900 schemes operational anything simple gimmickry involved always something vexation searched direct route needle have concluded small hole cowl needle valve exension would acceptable interest simplicity tried screwdriver slots found problems align ment maintaining engagement result engine vibration positive drive have found such arrangement through hexagonal shaft cou pled matching hex socket nut-driver type found sets local hobby shop Also hobby shop length K&S 3/v--in hexagon brass tube hole through cowl can have diameter small 5A2 Yi6 must exactly aligned engines needle valve centerline Enys needle axial hole its end cross hole setscrew filing small bit hex brass tube comers could fitted axial hole Tightening setContinued page 152 PO Box 791257 San Antonio Texas 78279 Order Phone 512 525-0751 Mail Shipping US UPS Over $15000- FREE UPS Under $150 Add $450 UPS 2nd Day Air Up 7 lbs- Add $995 Parcel Post $450 Canada-Add 100/s COD Add $200 FUTABA RADIOS 7FGKH w/130 Servos25595 7FGK w14 Servos18695 6FGK w14 Servos16895 5FGK w14 Servos15995 6FGw14 Servos14995 4FGw14 Servos13595 4NLw13 Servos10795 S-38Servos1995 S-28Servos1995 RIC ENGINES MUFFLERS INCLUDED Enya SS25B ... New .. Enya SS4OBBTV.. New.. Enya SS45BBTV.. New.. Fox Eagle 111 K&B 20 R/O K&B 40 R/O K&B 61 R/O 5995 7695 8895 7595 2895 4595 5495 DREMEL TOOLS #3950 Variable Sod 40/sec5895 #2850 Two spd 30/ace5195 #2750 Single spd 15/5cc3995 #212 Deluxe Drill Press2995 COVERING MATERIALS & ACCESSORIES Monokote Opaque675 Monokote Transparent675 Monokote Metallic740 GLUE ZAP 2 oz thick thin545 ZAP 1 oz thick thin295 ZAP hick thin202 ZAP 1 oz slowl325 ZAP 1 oz Ilexl595 Zip Kicker375 Jet Super Jet 2 oz545 Jet Saper Jet 1 oz345 Slow Jet 1 oz345 Jet Super Jet oz169 Hot Stuff Super Req 2 oz450 Hot Stuff Super Req 0 ARE YOU TIRED OF POOR SERVICE CALL US BY 200 PM AND HAVE YOUR ORDER SHIPPED TODAY PRICES SUBJECT TO CHANGE SOME QUANTITIES LIMITED June1987 47 Ra.q8 1{oltbtj BUILDERS SPECIAL DREMEL TOOL COMBO #2850 Moto Tool w130 Acc #212 Deluxe Drill Press $7500 WHEN YOU FORGET\OUR UNITS REMEMBER RC System NiCd Batteries chargers need packagelFor Cycler-Charger$17995 Fits 48V Rs 96V Tx packsPlus $5 S&HGeGel Others available write call Batteries F Regular Model$3995 field kit smallPlus $2 S&H electric boat batteriesSpecify 612 24V Heavy Duty Model$4995 sport winch large boat andPlus $250 S&H electric power charging batteriesSpecify 6 1 2V CaRa ProductssAsE tar iniarnraiixn OX 221 605-987-5924Dealer inctuiSes invitedCanton SD 57013 RC Aerobatics/Van Putte Continued page 149 voted put effect same year doesnt work can eliminated following year Practically sports have annual rules changeswhy cant summary sport/hobby mem bers ones hobby now fliers across country crying change yet rules-making process makes almost impossible know about frustrations problems because have happened personally Ive spent great deal time money effort submit ruleswhich received overwhelming majority votesonly see fail Thanks Mike Youve given us lot chew Look photos column because able scrape some up last minute get very few photos modelers around country Most ones see However Id love get some pictures sport Aerobatics anybody would make job lot easier submitters get $5 per photo plus printed credit efforts Please send some good black-and-white photos negatives suggested captions good-quality color prints can converted black-and-white thats have Ill send back afterward prefer Good clear Polaroid shots also acceptable editor Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Scale/Wischers Continued page 47 screw crushed tube undesirable because became difficult disassemble prevent crushing soldered short length 062-diameter music wire tube end Tube length should cut will reach cowls outer surface needle set position optimum engine performance Next solder another short length music wire ottter end hex brass tube letting extend about 3/3 operation place open end hex driver over music wire tip rotate driver until engages hex tube system resistant vibration wire tip does interfere engaging hex tube positive drive needle valve Best no machining required /s 5/~ hex socket drivers will fit K&S tubing sizes adaption other needle valves attachment needle isnt quite simple cowl hole necessarily larger Maxey Hester once said Never build Scale model provision carburetor adjust ment wholehearedly subscribe axiom though needle-tweaking considered sinful can cause accidents prevents system described especially adapted four-stroke engines needle safe distance behind whirling propeller schemes control needle setting easiest use positive New album Paul Matt Keun Rust Tom Foxworth have done again another new Histori cal Aviation Album Volume 18 containing seven multi-view Scale drawings 187 photos including constructional details written historical data Aircraft depicted include Taylor E-2 Cub Taylor 1-2 Cub Piper 1-3 Cub Piper J-4E Cub Coupe Curtiss F9C-2 Sparrowhawk Curtiss B-20 Condor airliner Conqueror engines Curtiss B-2 Con dor Bomber could modeling sub jects drawings three-view additional views wherever necessary show cross sections internal construction instrument panel Sparrowhawk drawing Bergen Hardesty actually five-view showing both sides top bot tom front extra views fuselage wing sections Bergen Hardesty will remem bered Nieuport series Model Airplane News 1956 through early Sixties definitive work period earlier Historical Aviation Albums have become collectors items An often-heard lament Scale modelers collection Albums isnt complete Volume 18 will surely take its place worthy addition Scale modelers library make frequent reference issues have now built six Scale models dating back 1970 drawings found Albums price Vol 18 $1295 postpaid Historical Aviation Album PO Box 33 Temple City CA 91780 Bob Dolly Wiseher 5-22 1 Lapham Peak Rd Delafleld WI 53018 3inin MOVING COMPLETETHISFORMANDATTACH U MAILING LABEL FROM REGENT IISSUEI LET US KNOW WHERE YOU ARE IGOING IwI UN IILWG O vz0 0 zJ CJ I~ -~ I~N1 0o o inI OEII CS a0 iC6 uEoO ICJinI rinCfl I03 IU ii Cino0 xu E fft 3ua -CJ 3 i~0a aX I0•W 0 C ~2-oI ~I -EWwC ua o~a1 C0inIna ~c aaaH 3 I0E2 II aa a3 aat IE z 03 52 Model Aviation ZMA Name Street Address City StateZip
Edition: Model Aviation - 1987/06
Page Numbers: 46, 47, 152
Radio Control Scale Bob Dolly Wischer OPERATIONAL details Scale modelers aspire produce Scale masterpiece com pletely cowled engine have common problem becomes challenge hide necessary glow plug connector needle valve adjustment preserve smooth extemal surface cowl Some us look easy way out make effort minimize conspicuous ap pearance eyesores come con clusion large hole cowl insertion glow plug connector doesnt really look too bad after decide use smallest extemal connector hope will escape notice own Scale aircraft numbering about 20 use same glow plug connector open-frame two-conductor subminiature phone jack selected primarily because easy avail ability electronic supply houses like Ra dio Shack example Also industry standards likely become obsolete over years come two sizes Y2in sub miniature Ain miniature early models used 3A2in size standardization rea sons continued later models Y32in size bit fragile may subject eventual vibration fatiguea very real problem now four-stroke engines have become pre ferred units Scale starting again insize jack rugged construction would prob ably choice However its dimensions much larger 3A2in size model having no convenient method hiding jack consequence must visible smaller much less conspicuous Several recent models have Y3in jack mounted boldly right out open cowl side simply because no other spot could found wouldnt include long wires other incon venience larger modelsand cer tainly trend todaythe tiny nut barrel visible obtrusive appearance objectionable jack can mounted sepa rate plywood plate spaced away internal cowl surface exposed hole sertion plug through cowl side Another hidden location jack underside fuselage vent opening exiting air problem setup difficulty finding jack inverting model always desir able Having cause some vexing expe riences flight line just prior takeoff completely-hidden jack has fallen disfavor word about jacks configuration Two types offered open circuit closed circuit model applications either type accept able need make simple connection tip ferrule phone plug past first experimented on-board ignition Ni-Cd battery used closedcircuit type because extra contact would open phone plug inserted extra contact disconnected on-board bat tery ideal nose weight inserting plug system employed throttle-actuated switch connect battery glow plug low throttle settings scheme obvious flaw flights end throttle reopened prevent batterys discharging through glow plug forgotten too often on-board bat tery almost always dead now use dif ferent system employing separate switch glow ignition must switched flights beginning end same receiver switch two switch actuators side-by-side avoid memory lapses using Ace Ni Lite Ill on-board system switch included Connection glow plug now simple matter Model Products Corp Remote Headlock tiny needs extra /sin space above glow-plug tip has added con venience quick connect release facilitate plug changing extra Yi isnt available seems happen quite often can always return old reliable homemade connector used years Its Ain brass wheel collar extra hole drilled its edge soldering lead wire remote possibility collar could accidentally con tact cylinder-head cooling fins drop fiber sulating washer over glow-plug center post before tightening collars setscrew ob vious disadvantage collar additional time effort needed change plug Connector wire length phone jack glow plug should kept minimum flexibility An Enya tour-stroke 120 Cu engine inverted Norm McLeiians Hawker Hurricane 1 retract mechanism Norms own design Finish Hobbypoxy Proctor Nieuport 2B R uses Tartan twin power Engine-cooilng air fiow controlled system baffies cowi Finish Super Coverite dope weight isiB ib Ai Waiker bu ider Fiying site Flying Dutchmens ciub fieid 1 /5-scaie Stearman PT-i 7L originated Steriing kit Builder Harry Kunesh powered Itwith K&B 61 Weight 10 ib finish Permagioss Coverite Biack Baron epoxy paint Laddie Mlkuiaskos 1/4-scaie Don Quixote ultrailght R uses OS 40 wIth crankcase front mounted 90 offset engine wiii run reverse-rotation use standard propeilers Weight 7 ib 46 Model Aviation under vibration conditions multi-stranded wire best r current-carrying capacity prefer 16 18 gauge Jomar 16-gauge wire has 259 strands extreme flexibility must remem bered oils type stranded wire susceptible breakage near solder joints because solder will wick along strands short distance Frac ture due vibration will occur solder terminates along wire wire supported near solder joint problem somewhat alleviated use phone jack airplane glow starting now need special cord battery phone plug tip can real nuisance use same battery airplane such sport model equipped exposed engine glow plug Most extension cords will have various glow-plug connectors business end may using McDaniel Ni-Starter Ace NiLite II something similar connects directly glow plug What needed now odapter cord will match glow connector phone plug may especially hard find hobby shop popular mail order catalogs Despair Its easy inoke Search through scrap box old burned-out glow plug prefer use old Fox plug Place vise threaded end upward grind file off enough steel expose inner core brass some other nonferrous material Solder length 2in OD brass tube over inner core solder suitable length stranded wire exposed tube end File flat surface remaining threads plug solder second wire flat Solder phone plug other ends wire adapter complete Short lengths shrink tube wires pre vent accidental short circuits arent likely insulation wire remains place directly up solder joints Wrap solder joints electrical tape have used such adapters years no problems except seem get lost frequently Solution Make several Theyre cheap word warning about cord could fire hazard field box remains connected battery phone tip rests against anything metallic exposed phone tip has opposite polarities separated /rin _ Needle valve extension past columns have discussed various methods adjusting carburetor needle valves fully-enclosed engines Scale models required flexible cable some sort brought out point behind engine bevel gears employed change rotational motion 900 schemes operational anything simple gimmickry involved always something vexation searched direct route needle have concluded small hole cowl needle valve exension would acceptable interest simplicity tried screwdriver slots found problems align ment maintaining engagement result engine vibration positive drive have found such arrangement through hexagonal shaft cou pled matching hex socket nut-driver type found sets local hobby shop Also hobby shop length K&S 3/v--in hexagon brass tube hole through cowl can have diameter small 5A2 Yi6 must exactly aligned engines needle valve centerline Enys needle axial hole its end cross hole setscrew filing small bit hex brass tube comers could fitted axial hole Tightening setContinued page 152 PO Box 791257 San Antonio Texas 78279 Order Phone 512 525-0751 Mail Shipping US UPS Over $15000- FREE UPS Under $150 Add $450 UPS 2nd Day Air Up 7 lbs- Add $995 Parcel Post $450 Canada-Add 100/s COD Add $200 FUTABA RADIOS 7FGKH w/130 Servos25595 7FGK w14 Servos18695 6FGK w14 Servos16895 5FGK w14 Servos15995 6FGw14 Servos14995 4FGw14 Servos13595 4NLw13 Servos10795 S-38Servos1995 S-28Servos1995 RIC ENGINES MUFFLERS INCLUDED Enya SS25B ... New .. Enya SS4OBBTV.. New.. Enya SS45BBTV.. New.. Fox Eagle 111 K&B 20 R/O K&B 40 R/O K&B 61 R/O 5995 7695 8895 7595 2895 4595 5495 DREMEL TOOLS #3950 Variable Sod 40/sec5895 #2850 Two spd 30/ace5195 #2750 Single spd 15/5cc3995 #212 Deluxe Drill Press2995 COVERING MATERIALS & ACCESSORIES Monokote Opaque675 Monokote Transparent675 Monokote Metallic740 GLUE ZAP 2 oz thick thin545 ZAP 1 oz thick thin295 ZAP hick thin202 ZAP 1 oz slowl325 ZAP 1 oz Ilexl595 Zip Kicker375 Jet Super Jet 2 oz545 Jet Saper Jet 1 oz345 Slow Jet 1 oz345 Jet Super Jet oz169 Hot Stuff Super Req 2 oz450 Hot Stuff Super Req 0 ARE YOU TIRED OF POOR SERVICE CALL US BY 200 PM AND HAVE YOUR ORDER SHIPPED TODAY PRICES SUBJECT TO CHANGE SOME QUANTITIES LIMITED June1987 47 Ra.q8 1{oltbtj BUILDERS SPECIAL DREMEL TOOL COMBO #2850 Moto Tool w130 Acc #212 Deluxe Drill Press $7500 WHEN YOU FORGET\OUR UNITS REMEMBER RC System NiCd Batteries chargers need packagelFor Cycler-Charger$17995 Fits 48V Rs 96V Tx packsPlus $5 S&HGeGel Others available write call Batteries F Regular Model$3995 field kit smallPlus $2 S&H electric boat batteriesSpecify 612 24V Heavy Duty Model$4995 sport winch large boat andPlus $250 S&H electric power charging batteriesSpecify 6 1 2V CaRa ProductssAsE tar iniarnraiixn OX 221 605-987-5924Dealer inctuiSes invitedCanton SD 57013 RC Aerobatics/Van Putte Continued page 149 voted put effect same year doesnt work can eliminated following year Practically sports have annual rules changeswhy cant summary sport/hobby mem bers ones hobby now fliers across country crying change yet rules-making process makes almost impossible know about frustrations problems because have happened personally Ive spent great deal time money effort submit ruleswhich received overwhelming majority votesonly see fail Thanks Mike Youve given us lot chew Look photos column because able scrape some up last minute get very few photos modelers around country Most ones see However Id love get some pictures sport Aerobatics anybody would make job lot easier submitters get $5 per photo plus printed credit efforts Please send some good black-and-white photos negatives suggested captions good-quality color prints can converted black-and-white thats have Ill send back afterward prefer Good clear Polaroid shots also acceptable editor Ron Van Putte 111 Sleepy Oaks Rd Ft Walton Beach FL 32548 RC Scale/Wischers Continued page 47 screw crushed tube undesirable because became difficult disassemble prevent crushing soldered short length 062-diameter music wire tube end Tube length should cut will reach cowls outer surface needle set position optimum engine performance Next solder another short length music wire ottter end hex brass tube letting extend about 3/3 operation place open end hex driver over music wire tip rotate driver until engages hex tube system resistant vibration wire tip does interfere engaging hex tube positive drive needle valve Best no machining required /s 5/~ hex socket drivers will fit K&S tubing sizes adaption other needle valves attachment needle isnt quite simple cowl hole necessarily larger Maxey Hester once said Never build Scale model provision carburetor adjust ment wholehearedly subscribe axiom though needle-tweaking considered sinful can cause accidents prevents system described especially adapted four-stroke engines needle safe distance behind whirling propeller schemes control needle setting easiest use positive New album Paul Matt Keun Rust Tom Foxworth have done again another new Histori cal Aviation Album Volume 18 containing seven multi-view Scale drawings 187 photos including constructional details written historical data Aircraft depicted include Taylor E-2 Cub Taylor 1-2 Cub Piper 1-3 Cub Piper J-4E Cub Coupe Curtiss F9C-2 Sparrowhawk Curtiss B-20 Condor airliner Conqueror engines Curtiss B-2 Con dor Bomber could modeling sub jects drawings three-view additional views wherever necessary show cross sections internal construction instrument panel Sparrowhawk drawing Bergen Hardesty actually five-view showing both sides top bot tom front extra views fuselage wing sections Bergen Hardesty will remem bered Nieuport series Model Airplane News 1956 through early Sixties definitive work period earlier Historical Aviation Albums have become collectors items An often-heard lament Scale modelers collection Albums isnt complete Volume 18 will surely take its place worthy addition Scale modelers library make frequent reference issues have now built six Scale models dating back 1970 drawings found Albums price Vol 18 $1295 postpaid Historical Aviation Album PO Box 33 Temple City CA 91780 Bob Dolly Wiseher 5-22 1 Lapham Peak Rd Delafleld WI 53018 3inin MOVING COMPLETETHISFORMANDATTACH U MAILING LABEL FROM REGENT IISSUEI LET US KNOW WHERE YOU ARE IGOING IwI UN IILWG O vz0 0 zJ CJ I~ -~ I~N1 0o o inI OEII CS a0 iC6 uEoO ICJinI rinCfl I03 IU ii Cino0 xu E fft 3ua -CJ 3 i~0a aX I0•W 0 C ~2-oI ~I -EWwC ua o~a1 C0inIna ~c aaaH 3 I0E2 II aa a3 aat IE z 03 52 Model Aviation ZMA Name Street Address City 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