On Mon, 24 Oct 2022 at 15:33, John Figie <zephyr9...@gmail.com> wrote:

Anyway I am wondering how the splines were made on the original. I could use the E head, (shaper) on my bridgeport and a rotary table. Do you think
this is a good idea?


At first glance, seeing the rounded inner end to the splines, I thought they had been cut with a vee rotary cutter (like a pointed engraving cutter). That's the way I would cut them, with the caveat that I don't think my cutters would like the hard material.

Marcus


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