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With an IC (Internal Combustion - or Glow in most cases) engine, you will need to supply 1.5 volts to the engine when starting and for larger engines it is advisable to use an aircraft type starter motor. It is convenient to have these items - along with the fuel and key tools in one place - hence the field box.
I got mine as a flat pack from my local shop - cost about £20 - but saves loads of time as the parts are pre cut and just need nailing / gluing together. The peice of rubber to hold the fuel can in place is a really good part of the kit.
Spent an evening putting the field box together. Because I have gone for a rather large and powerful starter motor (a Sullivan Mariner - which I imported from Tower Hobbies in the US) I have needed to modify the design to allow for two 12v batteries (in series this gives me the 24 volts I need - as opposed to the usual 12 volts). The motor was also too big to fit in the compartment, so I cut slots each end of the main frame to accomodate it - see pictures below.
Additionally I have included a small fuel pump - to make filling / emptying of fuel tanks easier.
I just need to paint it now .......
Battery 2
Rubber band holds fuel in place.
Battery 1
Pump control
Battery 2
- behind the shortened drawer.
Battery 1
- under the
power panel
Starter motor connected to power panel. Can be 12v or 24v depending on how connected. The two 12v batteries are connected in series. Can draw up to 200 amps!
Glow plug lead connected to the power panel - approx. 1.5 volts.
12 volt fuel pump. Makes filling and emptying the fuel tank fast & easy. Controlled by the switch on the front panel.
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