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I'm just starting to make the geas for my Rudy engine. I'm having trouble finding the sizes for the gears such as od and thickness. So far I have the big gears cut square getting ready to to make round and cut teeth. I am using 1/8 thickness 1/4 hole od 25/8. It looks like all the other gears are 1/4 thick is that true. Thanks. Ed PS made my own gear cutter.
That's a lot of good work Kim, Your persiverence certainly pays. I'm very impressed. Regards Terry