0 hibWUiiibd W p An easy install low-cost electric power unit small free-flight RC jobs IF YOU ARE looking low cost ver satile easy install adjust electric power unit small free-flight sport RC airplane modified Monogram E Power Module just ticket mounts easily small glow engine al J Harry Enders Photos Dave Enders 58 Model Aviation Fig 1 lows changing battery size pro vide required motor running time small atteries supplied motor will provide motor run little less minute free flight use two General Electric AA nickel cad mium cells will provide motor run about four minutes making suitable small RC planes can cut fuel cost just about nil charging cells off car battery modification simply done shown Fig 1 Before cutting module apart sure batteries com pletely discharged Carefully cut plas tic body power module completely apart model knife fine saw shown broken line drawing Cut through flat metal conducting strips Dremel cutting wheel small metal cutting pliers sure cut flat metal conducting strips yond base motor allow power supply connected motor female quick-disconnects motor beam mounted small metal screws pine blocks glued thle inside nose section airplane can seen photograph Thrust adjustments can made placing washers under mounting lugs rear motor typical wiring diagram shown Fig 2 components can bought Radio Shack Connectors C Female Quick-Disconnects 64-3039 Phone Jack J 2-Conductor 3/32 Subminiature Phone Jack 274-292 Toggle Switch 5 Subminiature 10 Toggle Switch SPDT 275-326 wiring done 20gauge insulated stranded hook-up wire wiring batteries care should taken over heat cells permit sol der get vent holes posi tive end cells Resistor 5 ohms LAPP Fig- 3 Shown Fig 3 wiring diagram power cord used charging flight system 12-volt auto battery plugging car cigarette lighter cord made piece 18-gauge lamp cord about five six feet length 5-ohm resistor made wiring two Radio Shack 10-ohm 10-Watt Power Re sisters 27 1-132 parallel will sup ply about two amps charging current make cooler operation Plus LA Auto Lighter Plug 274-331 Plug PP 2-Conductor 3/32 Subminiature Phone Plug 274-28 9 plugs charg ing Jack J Fig 2 wiring charg ing system sure positive pole 12-volt auto battery connected positive pole nickel cadmium batteries Just few seconds charging reverse polarity will damage nickel cadmium cells using charging cord sure batteries fully discharged charge /3 AA nickel cadmium cells two minutes fully discharged General Electric AA nickel cadmium cells may charged ten minutes charging times must carefully observed over charging fast rate will damage cells November1977 59 Radio-control model ready fly Holes nose piece below propeller air vents cool motor Though equipped pulse rudder various tiny two-channel units suitable Radio control installation using Ace Baby rudder-only system 500-ma General Electric nickel cadium batteries flights approximately four minuteslong time indoors before-and-after modification described text top Monogram-E-Power Module comes box below module after basic modification
Edition: Model Aviation - 1977/11
Page Numbers: 58, 59
Edition: Model Aviation - 1977/11
Page Numbers: 58, 59
0 hibWUiiibd W p An easy install low-cost electric power unit small free-flight RC jobs IF YOU ARE looking low cost ver satile easy install adjust electric power unit small free-flight sport RC airplane modified Monogram E Power Module just ticket mounts easily small glow engine al J Harry Enders Photos Dave Enders 58 Model Aviation Fig 1 lows changing battery size pro vide required motor running time small atteries supplied motor will provide motor run little less minute free flight use two General Electric AA nickel cad mium cells will provide motor run about four minutes making suitable small RC planes can cut fuel cost just about nil charging cells off car battery modification simply done shown Fig 1 Before cutting module apart sure batteries com pletely discharged Carefully cut plas tic body power module completely apart model knife fine saw shown broken line drawing Cut through flat metal conducting strips Dremel cutting wheel small metal cutting pliers sure cut flat metal conducting strips yond base motor allow power supply connected motor female quick-disconnects motor beam mounted small metal screws pine blocks glued thle inside nose section airplane can seen photograph Thrust adjustments can made placing washers under mounting lugs rear motor typical wiring diagram shown Fig 2 components can bought Radio Shack Connectors C Female Quick-Disconnects 64-3039 Phone Jack J 2-Conductor 3/32 Subminiature Phone Jack 274-292 Toggle Switch 5 Subminiature 10 Toggle Switch SPDT 275-326 wiring done 20gauge insulated stranded hook-up wire wiring batteries care should taken over heat cells permit sol der get vent holes posi tive end cells Resistor 5 ohms LAPP Fig- 3 Shown Fig 3 wiring diagram power cord used charging flight system 12-volt auto battery plugging car cigarette lighter cord made piece 18-gauge lamp cord about five six feet length 5-ohm resistor made wiring two Radio Shack 10-ohm 10-Watt Power Re sisters 27 1-132 parallel will sup ply about two amps charging current make cooler operation Plus LA Auto Lighter Plug 274-331 Plug PP 2-Conductor 3/32 Subminiature Phone Plug 274-28 9 plugs charg ing Jack J Fig 2 wiring charg ing system sure positive pole 12-volt auto battery connected positive pole nickel cadmium batteries Just few seconds charging reverse polarity will damage nickel cadmium cells using charging cord sure batteries fully discharged charge /3 AA nickel cadmium cells two minutes fully discharged General Electric AA nickel cadmium cells may charged ten minutes charging times must carefully observed over charging fast rate will damage cells November1977 59 Radio-control model ready fly Holes nose piece below propeller air vents cool motor Though equipped pulse rudder various tiny two-channel units suitable Radio control installation using Ace Baby rudder-only system 500-ma General Electric nickel cadium batteries flights approximately four minuteslong time indoors before-and-after modification described text top Monogram-E-Power Module comes box below module after basic modification
