Posted by Dellbertt on November 25, 2010 at 06:12:05 from (209.172.22.89):
Note: This post is for tractors that are utilitarian, not for those who are concerned with “looks” or restore tractors to “original” or members of the “correct police”.
Ok, I’m over the shock of the simplicity of WSJ’s enlightening me to the Bosch Solid State Voltage Regulator that converts the output of a 6v generator to 14v. Now I am ready for some minor evaluation and theory.
With all do respect to the expert knowledge shared by the likes of BobM, JimN, JohnT and many others who have over the years, and countless times, explained the process of converting a 6v tractor to12v, I do not understand why anyone would go to the trouble of installing a 12v generator or alternator with associated brackets and fittings when all you have to do is purchase a $28 Bosch Solid State VR that takes care of everything. If and when I convert one of my red ones it will surely be with the Bosch or similar system.
Here is another thought. The Bosch VR must have a voltage amplifier circuit that upon detecting input voltage of anything less than approximately 14v kicks in and amplifies it to 14v. Which, in my mind, means that a 6v gen voltage that has to be amplified will take twice as long engine running time to charge the battery as would a 12v gen. Meaning you will have to drive the engine twice as long to get the same amount of charge. This to me is a minor trade out for the simple conversion.
But then again maybe the amplifier converts 6v to 14v in real time so it takes the same amount of driving time to charge as would a 12v gen/alt. Something about this seems odd, like perpetual motion, you’re getting more out of it than you are putting in, which cannot be sustained.
But it’s simple and it works, and in my opinion, that’s good enough reason to use it.
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