Why do I care about this? How does it relate to the OP's question or
anything I said? I have a couple of PM tape drive motors that put out
quite a bit of power. Very populat among the homebrew wind generator
crowd.

Doug
s/v Callista


"BSCHNAUTZ" wrote in message
...

That's called a permanent magnet alternator. My KISS
wind generator uses this technique.

Doug, I've experimented with stuff like that , and you can actually take a
typical 12v heatermotor from a late model chevy etc. mount a prop on it
and get
power out of it.
not alot, and not effeciently...but interestingly notable