Radio Control BELIEVE YOU would find no argu ment against streamlining pleasing appearance nose line P-s 1 Spit fire ME 109 in-lineengine aircraft obtain desir able appearance such aircraft scale need install powerplant inverted position first thing comes mind idling problems encountered in verted engine Lets take look problem model engines use today scale models use glow plug ob tains its heat two sources outside starting batteries inside heat exploding fuel head cold plug start may draw much 3 4 amps current very high can sustained short periods time because starting batteries range 2 5 amps return engine running glow plug will draw 50 150 mills power will vary low high rpm inverted engine rpm reduced does heat plug grows dimmer raw fuel injected head cases puts out plug reduces point fuel no longer explodes engine stops Several years back having prob lem spent considerable time several other scale modelers remedy diffi culty Its important scale models higher wing loading cases have reliable idle multiengine scale model can disastrous lose engine speed ranges espe cially take-off paper answer simply supply outside power Scale plug keep hot times ideas paper take much experi menting trial error avail ability C-size Nicad capacity 4 amps weighs about 5 oz permissible since scale birds need nose weight ideal purpose C cells available electronic stores cheap $500 $800 considering long life 3 5 years taken care bad price understand some also surplus market appropriate way attach battery plug would use hook-up wire alligator clip experience has proven set-up will under vibration work very long Bud Atkinson use length 1/16 steel wire tached firewall two landing gear mounting plates epoxy Bend right angle firewall side head engine have spring action attach glow plug have found method will stand almost vibra tion easy detach wire plug charging Now solder length hook-up wire 1/16 wire epoxy point firewall goes through firewall soldered battery other lead negative positive doesnt matter long keep mind which charging battery attached engine mounting bolts soldering lug epoxy wire goes through firewall attach battery hot-glue gun will hold firm may pried loose necessary engine started normally after running just clip 1/16 wire glow plug set idle engine fully cowled plug hard get switch may installed turn battery 1/16 wire clip must detached switch charge C-size Nicad will operate four five 10-minute flights running down good days flying scale job contest So see no good reason com plicate things switch shuts battery off high throttle Also have desirable side-effect battery being top end Believe Nicad will produce 300 500 rpm much stabler run glow plug heat dont becontinued page 77 18 Model Aviation Several AMA Scale Stand-off Scale entries lined up fly Central Jersey R/C East ern States Championships Pic Leon Shulman Left Vought Corsair F4U built Royal kit Jim Bonnano Its piece fine art say least Has WW II worn look Above Terry Brown completed fine-looking Stand-off Scale Bell P-39 WW II fighter Top Flite kit improved Digital Commander 1-8 Receiver Kit features flat pack single board design space age CMOS IC decoder gives eight channel capability will operate either three four wire neg ative positive pulse servos Minimum drain 7 ma maximum noise immunity obtained CMOS ICs receiver will work modern digital trans mitter same frequency no matter what brand cause build yourself learn good deal about operation system troubleshoot Receiver kit less connectors switch batteries Available 27 53 72/75 MHz frequencies jection molded case measures 13/16 X 1 3/8 X 2 7/16 Weight 175 oz case connectors Get 76 catalog complete listing Digital Commander flute pak system kits 12G18 Digital Commander CMOS Single Deck Receiver Kit $3795 Add $500 72 MHz Please send complete catalog Enclosed $100 refunded first order Add $ 50 1st class mail return Name Address State Zip RC Scale/Atkinson continued paqe 18 lieve just run up engine top end attach starting battery tack can hear engine pick up rpm also rpm low end will higher throttle adjust ment will necessary will notice much smoother response throttle battery attached good strong battery engine rather hard get starter battery may throwing switch start engine inflight C cell did times 1-34 something see surprised look flight judges face see engine bark off seemingly no battery attached remember plug draws up 4 amps cold have engine primed ready go prefer ably started electric starter Al ways remember disconnect clip soon after landing possible engine running preserve battery method well worth trouble install scale model practically must assure good reliable idle verted engine engines name Sid Morgan goes back years RC scale noted excellent large scale planesand mean large about 9-ft Cub 9-ft PBY Catalina Sid also has hiImpact plastic cowlings wheel pants scale models well plastic canopies So like scale models big well normal size drop Sid card ask catalog fine plans Write Vintage RC Plans Sid Mor gan 13157 Ormond Drive Belleville Mich481 II Another very interesting item scale RC models neat little antenna con nector very professionally made may install antenna inside model still able disconnect antenna safely consists goldplated connector very small easy connect disconnect item can completely hide tenna scale model complete safety local hobby shop doesnt have drop line Sukarta Hob bies SI Hawthorne Ave Park Ridge NJ 07656 ask Shove antenna connector $129 Keep posted 1976 scale con tests will see meet listed column Till next time Lets build scale address 734 N 6th St Terrace Blue Springs Mo 64015 MORE wdO# ias~5 fl same power YELLOW - PROPELL eeted--w r ~OeTaco 5-3 54 ech 253 54 304 6ade6-3 64354 0Pusher 76 78 504 each54 86 88 654 9-49-697118 8si 6-4 10-4 10685 858-611-4 11-6 11-6 $1 86 889-6 106 1 5 126RC 124 5-35-4 104 1506-3 6-4 50 Melallic96 10-63 8laIe Tractor125 126 150 3 BLADE106 Pusher3 Blade Pusher ORISH Aluminum Coloriso 6-3sw ST ON BROS INDIANA 46373 March1976 77 BOX 511 E HIUUINSVILL MU ti4Ui7cty
Edition: Model Aviation - 1976/03
Page Numbers: 18, 77
Radio Control BELIEVE YOU would find no argu ment against streamlining pleasing appearance nose line P-s 1 Spit fire ME 109 in-lineengine aircraft obtain desir able appearance such aircraft scale need install powerplant inverted position first thing comes mind idling problems encountered in verted engine Lets take look problem model engines use today scale models use glow plug ob tains its heat two sources outside starting batteries inside heat exploding fuel head cold plug start may draw much 3 4 amps current very high can sustained short periods time because starting batteries range 2 5 amps return engine running glow plug will draw 50 150 mills power will vary low high rpm inverted engine rpm reduced does heat plug grows dimmer raw fuel injected head cases puts out plug reduces point fuel no longer explodes engine stops Several years back having prob lem spent considerable time several other scale modelers remedy diffi culty Its important scale models higher wing loading cases have reliable idle multiengine scale model can disastrous lose engine speed ranges espe cially take-off paper answer simply supply outside power Scale plug keep hot times ideas paper take much experi menting trial error avail ability C-size Nicad capacity 4 amps weighs about 5 oz permissible since scale birds need nose weight ideal purpose C cells available electronic stores cheap $500 $800 considering long life 3 5 years taken care bad price understand some also surplus market appropriate way attach battery plug would use hook-up wire alligator clip experience has proven set-up will under vibration work very long Bud Atkinson use length 1/16 steel wire tached firewall two landing gear mounting plates epoxy Bend right angle firewall side head engine have spring action attach glow plug have found method will stand almost vibra tion easy detach wire plug charging Now solder length hook-up wire 1/16 wire epoxy point firewall goes through firewall soldered battery other lead negative positive doesnt matter long keep mind which charging battery attached engine mounting bolts soldering lug epoxy wire goes through firewall attach battery hot-glue gun will hold firm may pried loose necessary engine started normally after running just clip 1/16 wire glow plug set idle engine fully cowled plug hard get switch may installed turn battery 1/16 wire clip must detached switch charge C-size Nicad will operate four five 10-minute flights running down good days flying scale job contest So see no good reason com plicate things switch shuts battery off high throttle Also have desirable side-effect battery being top end Believe Nicad will produce 300 500 rpm much stabler run glow plug heat dont becontinued page 77 18 Model Aviation Several AMA Scale Stand-off Scale entries lined up fly Central Jersey R/C East ern States Championships Pic Leon Shulman Left Vought Corsair F4U built Royal kit Jim Bonnano Its piece fine art say least Has WW II worn look Above Terry Brown completed fine-looking Stand-off Scale Bell P-39 WW II fighter Top Flite kit improved Digital Commander 1-8 Receiver Kit features flat pack single board design space age CMOS IC decoder gives eight channel capability will operate either three four wire neg ative positive pulse servos Minimum drain 7 ma maximum noise immunity obtained CMOS ICs receiver will work modern digital trans mitter same frequency no matter what brand cause build yourself learn good deal about operation system troubleshoot Receiver kit less connectors switch batteries Available 27 53 72/75 MHz frequencies jection molded case measures 13/16 X 1 3/8 X 2 7/16 Weight 175 oz case connectors Get 76 catalog complete listing Digital Commander flute pak system kits 12G18 Digital Commander CMOS Single Deck Receiver Kit $3795 Add $500 72 MHz Please send complete catalog Enclosed $100 refunded first order Add $ 50 1st class mail return Name Address State Zip RC Scale/Atkinson continued paqe 18 lieve just run up engine top end attach starting battery tack can hear engine pick up rpm also rpm low end will higher throttle adjust ment will necessary will notice much smoother response throttle battery attached good strong battery engine rather hard get starter battery may throwing switch start engine inflight C cell did times 1-34 something see surprised look flight judges face see engine bark off seemingly no battery attached remember plug draws up 4 amps cold have engine primed ready go prefer ably started electric starter Al ways remember disconnect clip soon after landing possible engine running preserve battery method well worth trouble install scale model practically must assure good reliable idle verted engine engines name Sid Morgan goes back years RC scale noted excellent large scale planesand mean large about 9-ft Cub 9-ft PBY Catalina Sid also has hiImpact plastic cowlings wheel pants scale models well plastic canopies So like scale models big well normal size drop Sid card ask catalog fine plans Write Vintage RC Plans Sid Mor gan 13157 Ormond Drive Belleville Mich481 II Another very interesting item scale RC models neat little antenna con nector very professionally made may install antenna inside model still able disconnect antenna safely consists goldplated connector very small easy connect disconnect item can completely hide tenna scale model complete safety local hobby shop doesnt have drop line Sukarta Hob bies SI Hawthorne Ave Park Ridge NJ 07656 ask Shove antenna connector $129 Keep posted 1976 scale con tests will see meet listed column Till next time Lets build scale address 734 N 6th St Terrace Blue Springs Mo 64015 MORE wdO# ias~5 fl same power YELLOW - PROPELL eeted--w r ~OeTaco 5-3 54 ech 253 54 304 6ade6-3 64354 0Pusher 76 78 504 each54 86 88 654 9-49-697118 8si 6-4 10-4 10685 858-611-4 11-6 11-6 $1 86 889-6 106 1 5 126RC 124 5-35-4 104 1506-3 6-4 50 Melallic96 10-63 8laIe Tractor125 126 150 3 BLADE106 Pusher3 Blade Pusher ORISH Aluminum Coloriso 6-3sw ST ON BROS INDIANA 46373 March1976 77 BOX 511 E HIUUINSVILL MU ti4Ui7cty