"Peter Wiley" wrote in message
| Back to cannon, I'm in Sydney in a couple weeks. See what I can dig
| up. IIRC, there was some heavy wall pipe about perfect for a patched
| golf ball.

I was over to the metal supply shop and the owner showed me this beautiful
piece of brass... cylindrical 6" diameter stock, 36 inches long, solid and
ready for the lathe.... man o man could you ever mill that piece down to a
wonderful canon.

CM