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Old 06-27-2019, 11:54 PM
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andrewwynn andrewwynn is offline
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Join Date: Jun 2015
Location: Racine, WI
Posts: 10,817
andrewwynn will become famous soon enough
The slip ring mod will be a world's first for sure and definitely mcgyver esque.

Spelled out: the spinning part of the alternator has a simple north-south magnetic field that spins around through the stationary windings in the outside part of the alternator.. the voltage is applied through the slip rings and it varies constantly to adapt to the conditions at hand to produce a constant output but it's always the same polarity.

I noticed that only ONE of the slip rings really wears meaning if the polarity was reversed the other one could start wearing instead and you could add a LOT of miles like on the order of 150,000 more miles. I'm hoping to do this to my wife's so I don't have to replace the slip rings. I might not even have to replace the brushes.


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2011 E70 • N55 (me)
2012 E70 • N63 (wife)
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