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Type: Posts; User: Cal Haines

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    mmmmm, crow, tasty . . . :rolleyes5: Many...

    mmmmm, crow, tasty . . . :rolleyes5:

    Many thanks to my mentor, Bill (hitanmiss), for taking the time to straighten me out on this one.

    Sorry that I've been absent for a few days. I had a busy...
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    OK. I can see how the break in the rheostat would...

    OK. I can see how the break in the rheostat would cause the spindle to have problems coming up to speed. Once the rheostat hits the open spot, the spindle motor looses field and may not have enough...
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    What exactly do you mean by "generator bogging"?...

    What exactly do you mean by "generator bogging"? Was the motor/generator actually slowing down, or was the spindle just not coming up to speed?

    Cal
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    OK. This has nothing to do with brushes or...

    OK. This has nothing to do with brushes or relays, etc. Your Rotary Phase Converter (RPC) is the culprit. You may have a wiring issue between the RPC and the Motor/Generator (MG) terminal panel or a...
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    You'll have to e-mail them to me. PM sent. Do...

    You'll have to e-mail them to me. PM sent.

    Do the voltages sag when the spindle is started?

    It looks like the artificial (generated) phase is on L1. You can verify that by checking the voltages...
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    1945 was the very end of round-dial production;...

    1945 was the very end of round-dial production; as far as I know, the last round-dial was built in July of 1945. Every 1945 round-dial that I've seen thus far has had the same motor/generator set and...
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    You may have an issue with the FA relay, but...

    You may have an issue with the FA relay, but there's more to it than that. I've NEVER heard of a bad FA relay causing the MG set to slow down. Something is very wrong if that's going on. Assuming...
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    You say that "the generator slows down severely"....

    You say that "the generator slows down severely". That sounds like something is either overloading the output of the motor/generator (MG) or perhaps the way that the "115v variable DC power supply"...
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