Nate Weber wrote:
http://www.bostongear.com/pdf/upload..._pg133-153.pdf

That's a great link, thanks.

Print out page 136 then hold the gear up to each of the pictures.

I think you meant p 137.

Doesn't match mine. I scanned mine at high res and it appears as though
the teeth are not even involute. I.e., they are straight sided. Why
did they have to do it that way?

Bob