A project forming is to make a driven roller for starting a 1950's
500cc racing car. The inspiration is here:Starter motor, chain drive to roller, loose roller on the other side, Simple.
I could make the rollers from some 4 inch tube that I have stashed away but they look like the sort of item that is off the shelf somewhere - the question is where? They're 4- 5 inch od and are about 10inches long. Any clues chaps?
Thanks
Charles
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