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Burst Disk Sorta Thing

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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Burst Disk Sorta Thing

Unread postAuthor: jor2daje » Sat Feb 07, 2009 12:27 am

How do you think something like this would work?

The cartridge is like davidivinis preloaded cartridge design only instead of a schrader on the back there is a female quick connect, it would be filled close to bursting then put onto the barrel of the gun when it is folded. Folding the barrel down opens the ball valve which releases air into the area before the blowgun. After the barrell is fully horizontal the ball valve is closed, the blow gun leads to a male quick connect which attaches to the quick connect on the cartridge. When the blow gun is pulled it releases the higher pressure through the quick connect into the cartridge, bursting the burst disk.
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Attachments
sideview of gun.jpg
I made this in sketchup, its not to scale just to show my idea, tell me if you want a different view.
sideview of gun.jpg (37.99 KiB) Viewed 358 times
Last edited by jor2daje on Sat Feb 07, 2009 1:07 am, edited 1 time in total.
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Unread postAuthor: dudeman508 » Sat Feb 07, 2009 12:33 am

i dont see why i wouldn't work, but your going to need a lot more pressure in your main chamber than you need to burst your burst disks if you want consecutive shots
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Unread postAuthor: jor2daje » Sat Feb 07, 2009 12:51 am

Ya i was thinking of using relatively low pressure burst disks, and putting over 100psi in the main chamber, I dont need it to be particularly powerful.
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Unread postAuthor: psycix » Sat Feb 07, 2009 5:38 am

This is quite a good idea.
You are using pre-loaded cartridges, so the chamber will not drain very fast, yet the triggering of the BD is done pneumatically.
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Unread postAuthor: dudeman508 » Sat Feb 07, 2009 4:35 pm

You should make your design more ergonomic though it looks kinda awkward.
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Unread postAuthor: jor2daje » Sat Feb 07, 2009 5:21 pm

Ya i just added a stock to design above the main chamber
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