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Brass tubes

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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Brass tubes

Unread postAuthor: skyjive » Tue Mar 24, 2009 1:19 am

Hi all, just got some telescoping brass tubes from McMaster, as I figure they'll be just the ticket for a bolt system for a semi. When they arrived they seemed a bit flimsy and I don't want to end up with pieces of brass sticking out of my head so I thought I'd run it past you guys: what kind of pressure do you think these things can take safely?

McMaster parts #
8859K33 and

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Unread postAuthor: btrettel » Tue Mar 24, 2009 8:15 am

With a typical safety factor of 2.5 these should have a pressure rating of about 200 psi each with failure defined as yielding.
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