brocpuffs recently wrote:

...how do I find info on designing a truss
mount for this bucket-to-be? Truss mounting for home scopes is a
totally new concept for me and I haven't the foggiest idea how to
design something like this.

As you get closer to collecting the materials, you may want some
of the good advice I just got from this newsgroup. Check out
MoonLite Telescope Accessories:

http://www.focuser.com/

gregory