Thanks Teddy, You are absolutley right! Finally an end to this. After trying everything I knew and some things gleaned from this forum, I decided to start over. I went through my pile of old generators and started by replacing the field coil twice, no difference. Then I tried an armature, it was nasty, but cleaned up ok. Walla, it worked. 9.5v at idle, 22+v at rpm with field grounded. With regulator, charges at 6.35 at idle and 6.85 at rpm. Ammeter shows cooresponding level of charging as well. Earlier I took all 5 of those old regulators I have and temporaily hooked them up to my "H" and all but one works. So the problem was a flying short and not the regulator. That explains why the armature tested ok on the bench growler, but not in rotation and why the problem got worse as rpm was increased. Thanks so much Teddy and everyone else who offered their ideas. Problem solved.
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