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Author Topic: Ac1 conversion  (Read 576 times)

Waxel

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Ac1 conversion
« on: May 02, 2022, 04:17:48 PM »
Hi, i have an ac1 generator with manual start handle. I'd like to covert this to electric start but would need to replace the flywheel with a toothed one. Has anyone done this or know availability of toothed flywheels? Thanks

Diesel Engineering

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Re: Ac1 conversion
« Reply #1 on: May 04, 2022, 01:57:42 PM »
The other option would be to buy a starter ring and machine flywheel. That is unless the flywheel has already  been machined to take the ring. I can't remember for sure if all flywheels were machined or not.

Hugh Conway

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Re: Ac1 conversion
« Reply #2 on: May 04, 2022, 10:16:57 PM »
There's always the old golf cart starter/generator option.
Cheers
Hugh
JKson 6/1  (Utterpower PMG ) Off-grid
Lister 6/1 Start-O-Matic engine......running with PMG
1978 Royal Enfield (glutton for punishment by Indian iron)
1963 BMW R-27 project

38ac

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Re: Ac1 conversion
« Reply #3 on: May 05, 2022, 11:50:57 AM »
Don't know what part of the world you are in but currently on US EBay there is a listing with two AC1 electric start engines for $300
Collector and horder of about anything diesel

Waxel

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Re: Ac1 conversion
« Reply #4 on: May 05, 2022, 02:18:49 PM »
I have a starter motor that should fit. The flywheel is currently smooth. Am concerned that if I machine the flywheel it might cause it to become unbalanced

Waxel

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Re: Ac1 conversion
« Reply #5 on: May 07, 2022, 02:25:30 PM »
There's always the old golf cart starter/generator option.
Cheers
Hugh
Hi, not sure what you mean by this?

Hugh Conway

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Re: Ac1 conversion
« Reply #6 on: May 07, 2022, 06:00:13 PM »
@ Waxel
Use the search function to enter "starter/generator", you'll find a lot of links.
Veggie got me inspired to install one  on my 6/1, it works very well, and has for several years of regular use.
No reason it would not work for your engine.
Some examples
https://www.microcogen.info/index.php?topic=3096.0
https://www.youtube.com/watch?v=aS5_sDLmtKs
https://listerengine.com/smf/index.php?topic=7715.msg87443#msg87443

You can find golf cart starter/generators on ebay or maybe locally.

Cheers
Hugh
JKson 6/1  (Utterpower PMG ) Off-grid
Lister 6/1 Start-O-Matic engine......running with PMG
1978 Royal Enfield (glutton for punishment by Indian iron)
1963 BMW R-27 project

Waxel

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Re: Ac1 conversion
« Reply #7 on: May 10, 2022, 06:39:21 PM »
Thanks for the suggestions. Much as I love projects, I've already got a list ahead of me that is frightening. Also all the belts and pulleys look a bit deadly to fingers and doggies tails. I'm able to start my ac1 with the manual handle but the wife isn't so a simple starter motor option is all im looking for at this stage.  Maybe even with a 240v battery charger to keep the battery alive... am in Ireland and don't see any cheap electric start ac1s listed anywhere...

Waxel

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Re: Ac1 conversion
« Reply #8 on: May 10, 2022, 06:57:02 PM »
Amazingly, have just seen a toothed flywheel on ebay. Does anyone know how difficult replacing a flywheel might be?

Waxel

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Re: Ac1 conversion
« Reply #9 on: May 13, 2022, 06:33:18 PM »
That turned out to be a gear wheel of 15cm that I imagine is for engaging with starter handle. Have been quoted 200 for a 20" gear wheel that could apparently be fitted to the flywheel. It's expensive I think and don't even see how it would fit