> This all assumes that the crush
>pressure of pvc is similar to the burst pressure (which I'm not sure is
>true - definitely check on this before you even think about building
>anything).  The end caps are usually rated to the same pressure ratings as
>PVC, so they should work fine also, but be aware of the stress
>concentrations, particularly in flat end caps, and design accordingly.

Not too hard to test, with some lead, and a 500' rope.

--
http://www.piclist.com hint: The list server can filter out subtopics
(like ads or off topics) for you. See http://www.piclist.com/#topics