On Wed, 2 Sep 2009 20:03:36 -0700 (PDT), Frogwatch
wrote:

Hmmmm.......I've got a well equipped machine shop, so, maybe I can
make a strut. Maybe I can make a strut base from silicon bronze, make
a strut body from another piece bolted and brazed to base with a
cutless bearing holder brazed to that. Thoughts?

Have you tried contacting the boat builder (assuming they are still
around) ?