On 2011-12-03, wrote:
On Fri, 2 Dec 2011 10:00:16 -0500, "J. Clarke"
wrote:



Will this be a functional item? If so then the easiest way to make it
safe and would be to line the bore with a steel sleeve.

[ ... ]

Just out of interest: If this were a functional item, made of brass,
designed for black powder and firing projectiles, is there a formula
relating the thickness of the barrel wall to the bore diameter? Does
LaPlace's law apply here?

Given that *real* cannons were not made of brass -- they were
made of bronze, which is similar in appearance, depending on state of
patina buildup.

I personally would never consider putting black powder in
anything made of brass. Stick with bronze -- it is much stronger and
safer.

Enjoy,
DoN.

--
Remove oil spill source from e-mail
Email: | Voice (all times): (703) 938-4564
(too) near Washington D.C. | http://www.d-and-d.com/dnichols/DoN.html
--- Black Holes are where God is dividing by zero ---