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Comment by genter

2 days ago

I've probably taken apart 10 automotive alternators. Every single one had brushes.

1 comment

genter

Reply

hnav  2 days ago

yeah I misspoke, I meant to say that it's a brush riding on a slip-ring (continuous contact, no arcing, lasts long) rather than a bunch of contacts in a cylinder (commutator, arcing, wears out).

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