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Messages - Matt J

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Original Lister Cs Engines / Re: Start-o-Matic baseplate - thread type?
« on: August 28, 2019, 08:02:28 PM »
Hello All
Just thought I'd update on this rather mundane topic I started!

Confirm that the threads are 1/2" BSW. I just wasn't trying hard enough to get them in through the accumulated gunk previously.

Thanks for your assistance.


Thanks all,
Having now spent a bizarre amount of money on four 1/2" BSW bolts (didn't fit), then four 1/2" BSF studs (didn't fit) I will treat myself to a UNC thread gauge and try that.

Will let you know...


Original Lister Cs Engines / Start-o-Matic baseplate - thread type?
« on: July 15, 2019, 07:23:29 PM »
Hello Everybody
I bought an early '50s (I think) 6/1 a few months ago, which at some point used to be most of a S-O-M. All the generator bits are gone though now.
I've had it running but would quite like to make it do some work, probably some form of generator.

It is mounted on a cast iron base plate - there is a machined flat section and four holes where the alternator would have sat. Please could somebody tell me what thread size these holes are? They're not 1/2" BSW or 1/2"BSF.

Many thanks,

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