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Generator for 271

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Coke-in-MN View Drop Down
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Joined: 12 Sep 2009
Location: Afton MN
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Coke-in-MN Quote  Post ReplyReply Direct Link To This Post Topic: Generator for 271
    Posted: 06 Sep 2021 at 12:28am
Pulley interchanges - only thing belt speed with large pulley means you need to rev the engine to get it to excite and charge first time . 
 I found a 2 belt pulley of a GMC truck alternator double groove that was steel (cast) then put in lathe and machined it to the wider belt size - it was a lot smaller diameter so dont have to do that step of high RPM to get it to charge .
Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful."
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Ray54 View Drop Down
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Joined: 22 Nov 2009
Location: Paso Robles, Ca
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ray54 Quote  Post ReplyReply Direct Link To This Post Posted: 03 Sep 2021 at 11:54am
The double belt pully on mine fit the Delco alternator that I used. It has been some time since I messed with it, but the mounting was not hard. Mostly getting the tightener to fit.
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WaltDevore View Drop Down
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Joined: 03 Jan 2020
Location: IdahoSprings CO
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WaltDevore Quote  Post ReplyReply Direct Link To This Post Posted: 02 Sep 2021 at 12:07pm
Do you think the double belt pulley would mount to that shaft or does one go with a single belt.?  Thank You.
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Coke-in-MN View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Coke-in-MN Quote  Post ReplyReply Direct Link To This Post Posted: 02 Sep 2021 at 11:13am
Works well to replace generator with Delco 10SI alternator . 
Using a single wire hookup it is all self contained and no external regulator is needed .
Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful."
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Joined: 03 Jan 2020
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WaltDevore Quote  Post ReplyReply Direct Link To This Post Posted: 01 Sep 2021 at 9:09pm
Thanks for the link.  Good info!
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
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Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 01 Sep 2021 at 4:35pm
Like them all, but love the "B"s.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WaltDevore Quote  Post ReplyReply Direct Link To This Post Posted: 01 Sep 2021 at 3:36pm
Looking the motor generator on a 1951 Detroit 271 Allis Chalmers HD5.  Thanks!
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