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05-23-2017, 12:23 AM | #21 | |
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Join Date: May 2010
Location: Mpls, MN
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Re: Generator no-charge update
Quote:
I also received a nice original ammeter and a repro ammeter for repairs. I haven't seen this before, but both covers are so tight that I couldn't tap them off. Tomorrow I'll have to make another special tool to remove the covers without damaging them. |
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05-23-2017, 12:45 AM | #22 |
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Location: Portland OR
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Re: Generator no-charge update
Re;
Since Jeff's generator is now regulated, Sorry but how did it become a regulated generator, I guess I missed something because I read it as being a stock generator. Was this something in his first post?
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05-23-2017, 01:22 AM | #23 |
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Re: Generator no-charge update
It's in post #10. He bought the regulator from Tom and installed it.
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05-23-2017, 08:34 AM | #24 |
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Re: Generator no-charge update
Actually I can't take the credit for installing Tom's EVR, I had sent the generator up to Minnesota and he rebuilt it and installed the EVR at the same time.
I have another rebuilt generator, done by one of the big Model A parts houses, as original with the third brush, lying on the shelf. Tom did the generator on our '36 Pickup about five years ago with his EVR, and the difference is incredible. Real similar to the long Autolite Model A generator look a lot alike. Charges about 2 amps while driving, and the Farm King 6V battery I run in that truck is still in PERFECT condition. I was leary of a 6V battery over five years old, took that battery to a shop uptown, they did a load test on it, and it is fine. Usually 4 years was tops for me on them. I tag this stuff as I go, so that the next guy who gets it at my estate sale after I miss third gear and go 'neutral' in the shift pattern of life will have some idea of what he/she is buying! Last edited by Jeff/Illinois; 05-24-2017 at 09:11 AM. |
05-23-2017, 09:17 AM | #25 |
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Location: Portland OR
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Re: Generator no-charge update
"Jeff has my EVR to regulate the output to about 7.2 volts, so he's safe as far as burning up the generator."
Ok so I would guess that "EVR" is electronic voltage regulator? How does the generator itself differ from stock using this unit? Is it converted to wiring like the later type generators using the voltage regulator? I may not be the only one a little lost on this one.
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05-23-2017, 12:38 PM | #26 | |
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Re: Generator no-charge update
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Quote:
After a few minutes of running, the battery will be recharged and the higher voltage will make the EVR drop the voltage feeding the field windings. The mechanical voltage regulators of the late 30's through the 70's operate on the same principle, but they have vibrating contacts to control the voltage. |
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05-23-2017, 04:31 PM | #27 |
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Join Date: Jan 2012
Location: Eastern Canada NB
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Re: Generator no-charge update
I had my Generator sent out for a rebuild ...flashed it before i installed it and it motored ...installed on the car and I could never get it to charge ....after screwing with it for a while I found it's fields were wired backwards ...
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05-23-2017, 07:11 PM | #28 |
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Location: Portland OR
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Re: Generator no-charge update
Thank you Tom.
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05-26-2017, 04:01 PM | #29 |
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Re: Generator no-charge update
An update on the update:
Installed the Original Cutout that Tom adjusted the voltage on to accommodate his EVR and the original Ammeter I bought that he fine tuned, problem solved. We're off to the races again She's a-chargin' and working like a champ. Original parts sure make a difference. Someday somebody will build a good ammeter There has been a LOT of progress on good quality Model A Ford reproduction parts in the last few years compared to the 70's. |
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