RJT>Greg Mayman wrote in a message to Robert Sayre:

RJT>RS> The older ones were mechanical. Relays switched the field in and 
RJT>RS> out, IIRC. I wouldn't call those linear. ;^)

RJT>GM> Stupid me -- of course I knew that. It completely slipped my mind 
RJT>GM> 

RJT>GM> It's just that its so long since I worked on an auto with a DC
RJT>GM> generator, and I was thinking of alternators exclusively.

RJT>But the one I referred to in an earlier post _was_ an alternator.  I don't
RJT>think I've ever owned a vehicle that had anything else...

Young Kids aren't allowed in here!  VBG

Jay
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 þ OLXWin 1.00b þ People who shouldn't breed do it to extreme.