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best way to hold a burst disc other than a cam loc

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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best way to hold a burst disc other than a cam loc

Unread postAuthor: JDP12 » Sun Nov 21, 2010 3:51 pm

Hey all, I've been trying to figure out a good way to seal a burst disc in a pipe other than a cam loc or union.

I had a topic on this ahwile ago, but am still looking for a good way. I don't want to have to unscrew a union or cam loc every time I want to shoot.

i've thought of using a coupling over a pipe, but I can't see that holding very well.

So any more thoughts on this subject?
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Unread postAuthor: Gun Freak » Sun Nov 21, 2010 3:58 pm

A cam lock is probably the fastest it gets... thats what I think.
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Unread postAuthor: jackssmirkingrevenge » Sun Nov 21, 2010 4:13 pm

Gun Freak wrote:A cam lock is probably the fastest it gets... thats what I think.


Agreed. A friction seal would be a way to avoid the burst disk altogether, but you're not really going to get much easier and quicker than a cam-lock if you include the disk.
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Unread postAuthor: JDP12 » Sun Nov 21, 2010 4:17 pm

I know... but if you want cartridges... i don't want cam locks on cartridges. That's the point of this.
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Unread postAuthor: jackssmirkingrevenge » Sun Nov 21, 2010 4:27 pm

JDP12 wrote:I know... but if you want cartridges... I don't want cam locks on cartridges. That's the point of this.


You know I've thought long and hard on the subject, and the best solution I found was the friction seal - doesn't work for all projectiles though.

If this is for a hybrid then you could consider using oxygen at atmospheric pressure for an effective 5x mix without having to pressurise.
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Unread postAuthor: Moonbogg » Sun Nov 21, 2010 11:17 pm

If the disc was rigid, maybe just the pressure behind it would force it against an o-ring and cause it to seal. Other than that I don't know.
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