Posted by John T on February 17, 2014 at 12:44:59 from (107.31.64.109):
In Reply to: 6v to 12v posted by Dieselcowboy on February 17, 2014 at 09:46:43:
I have successfully used 6 volt generators to charge a 12 volt battery by ONLY changing the Voltage Regulator to a 12 volt. NOTE Billy Bob, I'm NOT saying it sets the world on fire or charges at any super high rate, I'm ONLY saying it can work, here's the theory and reason why:
Basically a genny don't necessarily know its output, that's increased by 1) Turning it faster or 2) Pumping more current through its field coils which increases their magnetic field strength. The VR is what determines and regulates how much current to pass through the fields so if a 12 volt VR is installed it can allow more current through the field coils so she can charge at 12 volts.
NOW BEFORE ANYONE HAS A CALF HERES THE DANGER:
The 12 volt VR MAY PUMP MORE CURRENT THROUGH THE FIELDS THEN THEY WERE DESIGNED TO HANDLE AND THAY COULD OVERHEAT. A genny shop can change out the field coils to those rated for the amount of current the VR may allow.
So, YES it can work, YES Ive done it and never had any problems, HOWEVER as an Electrical Engineer Im NOT recommending you try this at home lol do it at your own risk, the more correct engineering way would be to have it converted although, as I say, Ive done it no problems!!
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