Posted by John T on May 08, 2013 at 16:17:43 from (216.249.82.117):
In Reply to: 6 and 12 V generator posted by Brad Vaughn on May 08, 2013 at 15:49:15:
Basically a genny dont necessarily know its output, its increased simply by turning it faster and/or pumping more current through tis field windings. The armature is more of a current rated device then any voltage sensitive device. I have made 6 volt gennys charge at 12 volts simply by using a 12 volt Voltage Regulator NOW DONT ANYONE HAVE A CALF IM NOTTTTTTTT SAYING THATS ENGINEERING CORRECT OR RECOMMENDING IT BUT ONLYYYYYYYYYY THAT IT CAN WORK mine worked and never overheated the fields or at least never gave no indication of such
That all being said if a shop were to convert a 6 volt genny for 12 volt use, they could change out the fields to insure they can handle the current that may be necessary for 12 volt charging. Also some 6 volt Ive seen had smaller commutator spacings
HOWEVER a genny designed for 6 volt use will have different specs and current ratings then one for 12 so Id USE THE RIGHT ONE
SOOOOOOOO TO CONVERT YOU NEED AT LEAST A 12 VOLT VOLTAGE REGULATOR (well DUH) and a 12 volt genny is best although a shop could convert one or you could try what I did (it may likely NOT charge at any super high rate)
PS A genny needs to pass BOTH motor tests not just the first one
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