Re: 6 volt starter with 12 volt system

Posted by Andy Martin on January 17, 2005 at 10:44:47 from (64.219.39.195):

In Reply to: Re: 6 volt starter with 12 volt system posted by lee on January 17, 2005 at 10:19:49:

But, since it is a motor and not a resistor, amperage is proportional to load. Lights are resistors and they don't do well when converting to 12v. The starter motor, however, will draw half the amps at the same load. Since the motor is spinning the engine faster, there is more starter motor load, but I still think the cranking amps go down when converting to 12v. That is why the starters last so long on 12v, and with smaller size cables which don't get hot.

Unlike light bulbs, the 6v starter is overdesigned for 12v service.

When I'm tired and mad (yes, it happens!) I grind and grind to get a tractor started and don't burn up starters. I'm much more concerned with the cranking time on my diesel Dodge.

Follow Ups:

• Re: 6 volt starter with 12 volt system lee 11:47:36 01/17/05 (0)

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