Thread: pic: T-Shirt Launcher, still needs a chasis
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Unread 04-04-2009, 19:12
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Re: pic: T-Shirt Launcher, still needs a chasis
Quote:
Originally Posted by Mr. Freeman View Post
Anyway, on the subject of PVC. Why do I keep hearing stories about pressure rated PVC exploding? Air/water shouldn't make any difference regarding what pressure it fails at, only what happens AFTER the PVC fails.

Seems to me that if PVC rated at 400+ PSI fails at anything less than 400 PSI then it was either:
A) Not actually rated
B) Not properly used (exposed to conditions it wasn't rated for, etc.)
actually,

since PVC is pressure rated for water only....

Air compresses differently than water(dont remember the exact science)....

which is why, PVC can(not will)-fail at much lower psi's than its rated for....
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