I’m not sure I was successful posting this a day or two ago. Apologies if this is a duplicate.
I also posted this on another forum but I thought I’d try it here also.
I’m trying to ready my 1915 battery-ignition Koban for a test run. I still haven’t found a correct flywheel, but I did find a very close substitute at a local steam-and-gas engine show. It’s an iron open flywheel 13 inches in diameter, and has a hub big enough to machine it to fit the Koban crankshaft. I think it will do until I can find a correct one, or a reproduction.
The problem is that I will still need to produce a commutator ring to fit to the flywheel. I think it should be similar to one I made for an upright Maytag, but I still need to know how it is attached to the flywheel.
Any advice, pictures, etc. would be greatly appreciated.
Thanks,
Rich Roberts
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If you don’t have an original flywheel then…….
this is what you need on your substitute 😮
AT LEAST, THIS MUST BE THE ANSWER ON YOUR QUESTION,
I HOPE / THINK
btw. you need the original timer lever as well of course,
or you have to adapt a similar one from another rowboat motor
see attached picture
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