Jim Wilkins wrote:
On Feb 5, 10:43 pm, (John Normile) wrote:
...
My friend was told that the pinion was not available, and he would
need to buy the whole new rotator unit for something north of 5
grand. ...
John Normile
camperkn_at_yahoo_dot_com

Making an unavailable gear::
http://picasaweb.google.com/KB1DAL/H...10370886636434

The cutter was shaped to fit an undamaged tooth space in the broken
original.

That one is aluminum. How about Stressproof or 4140 Prehardened?

Better to break the pinion than the ring for one thing.
Make two and have an available spare.

--
John R. Carroll