12V Gas Generator
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Junior User
Joined: Oct 2003
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From: oh
12V Gas Generator
Sorry if this isn`t the right place to post this,but here goes.I am looking for some directions to build one of those 12V generators from a lawn mower engine,altinator,and what ever else I might need? I have enough junk laying around here and should be able to put one together.Can`t afford to buy gas powered generator to power a charger in the field!!
Thanks Tony
Thanks Tony
CO River Rat
Joined: Feb 2004
Posts: 3,209
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From: Lake Havasu City AZ
Your biggest problem will be coordinating engine/alternator speeds with the right pulleys and belt. If the mower engine has a horizontal shaft, that would sure make it easier to build. Good luck, and let us know how it turns out!
Steve
Steve
Cross-Country
Joined: Jun 2000
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From: Central Florida
Posting Guru
Joined: Jun 2001
Posts: 1,236
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From: Vancouver Island
With a few modifications that thing would work as a mobile arc welder too. A little searching should find a page that explains how to turn an alternator into a welder; but basically you need to remove the regulator, then power the field from a battery with a rheostat in series to control the field current and hence the welding current. It probably helps to have some kind of inductor in series with the output to help stabilize the arc. Old alternators are cheap enough; you could run two off the same engine, set up one as a charger and the other for welding.
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