Posted by spiffy1 on August 08, 2009 at 16:51:54 from (70.41.135.42):
In Reply to: Ammeter vibrates posted by Allan In NE on August 06, 2009 at 20:24:16:
Thanks JMOR! I'm quite open to hard facts, educated speculation, or even wild guesses!
I put the resistor in series to the field connection and it served my purpose today, but it definitely does not belong there. With this configuration I get (as you noted) partial output that follows RPMs more than need - but I like 5 (+/- 5 depending on RPMs; of course "negative charge" with lights) better than 10 to 20 constant, or 0.
I noticed a couple other orange ones with the same VR and no resistor; I didn't get a chance to ask the owners how it performed, but I presume OK. With the original cutout, the field is just dead grounded. Perhaps my generator's internals are more fickle than my quick teardown and looksee indicated. Or maybe I got a messed up VR, or perhaps I just need to tinker with it a bit more (with the resistor, I set the VR contact "heavy" and pretty much letting the resistor keep it off max) to get it right.
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