I was surprised to find that there are some alternators that do not
require excitation. I have a modified GM alternator added to my boat,
and the shop that modified it sold it as a ONE WIRE alternator, but of
course the "other" wire is the frame ground. There are NO one wire
circuits.
I also know
The thing I have on my plane is a permanent magnet dynamo, which requires no
excitation. There are some details at
http://home.hiwaay.net/~langford/corvair/dynamo.html .
Mark Langford, Huntsville, Alabama
see KR2S project N56ML at http://home.hiwaay.net/~langford
email to N56ML "at" hiwaay.net
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