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PSI Ratings...Scared to shoot...And many other questions!

A place to ask general spud cannon related questions.
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Unread postAuthor: bigbob12345 » Fri Apr 18, 2008 9:25 am

MaxuS the 2nd wrote:
bigbob12345 wrote:1.It will not blow up in your face unless you go above 150psi


Hang on a sec, he's using pipe rated to 220psi..


Yes but there should always be a good safety margine

And thunderlord sorry for the misconception.
I still thionk it wont create any more pressure than normal fuels but it would most likely corrode the pvc.

You are right for car starter fluid
It is not safe for pvc
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Unread postAuthor: isu22andy » Fri Apr 18, 2008 5:31 pm

Alright thanks for the reviews...I cleaned, primed, and EXTRA glued everything together today! Letting it set up till tommorow at 5 then give it a whirl!
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Unread postAuthor: MaxuS the 2nd » Sat Apr 19, 2008 2:18 am

Pilgrimman wrote:Yeah, but would YOU pump up a pneumatic to 220 psi? You might as well go with metal. I personally would crap my pants using large diameter PVC over 150 psi :D


Yes, yes I would. If there is a safety rating of 220psi on it, then it's definitely good to 220psi, why would they put a safety rating on it that was bollocks. Not to mention safety factors.
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Unread postAuthor: Ragnarok » Sat Apr 19, 2008 6:44 am

@MaxuS: The pressure rating talks about a static load, not a shock one.
The barrel undergoes shock loading when fired, and should you drop the cannon, that adds load too.

The rating was not in anyway formulated for the kind of use we put this pipe to (in fact, there is little more we could do to further separate our use from what the rating means), so I'd be more wary.
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Unread postAuthor: MaxuS the 2nd » Sat Apr 19, 2008 11:05 am

Not many things are made with spudgunners in mind.
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Unread postAuthor: Ragnarok » Sat Apr 19, 2008 11:12 am

MaxuS the 2nd wrote:Not many things are made with spudgunners in mind.

No, but it sometimes seems as if QEV's were... they're just so convenient.
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