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Hammer actuated burst disk

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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Hammer actuated burst disk

Unread postAuthor: Demon » Sun Sep 14, 2008 4:28 pm

I just thinked of that:

Why no make a sort of sharp hammer that will break the burst disk?

The hammer will be actuated by an sort of spring powered system actuated by an trigger.

This sort of valve will use raw power of burst disk and it will blow when you want it to.
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Unread postAuthor: LikimysCrotchus5 » Sun Sep 14, 2008 4:33 pm

Been done before, and it works nicely too, just need to find the link.
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Unread postAuthor: Demon » Sun Sep 14, 2008 4:34 pm

DAMN!!!

I always think of already founded ideas!!!
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Unread postAuthor: MaxuS the 2nd » Sun Sep 14, 2008 4:41 pm

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Unread postAuthor: LikimysCrotchus5 » Sun Sep 14, 2008 4:44 pm

DAMN! i forgot the T, i wrote QCBDC, argh.

Well anyway point stands, its been done, but it doesnt mean that you cant build it, i think you should.
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Unread postAuthor: jon_89 » Sun Sep 14, 2008 7:53 pm

How would you seal the "hammer" so it doesnt leak? I think this is a great idea though.
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Unread postAuthor: mark.f » Sun Sep 14, 2008 9:40 pm

Who cares if it's been done before? Simplify it, make it more efficient, make it more ergonomic? It's a powerful valve when done right.
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Unread postAuthor: LikimysCrotchus5 » Sun Sep 14, 2008 10:44 pm

Oh yea you can just tell by the recoil of the cannon when you watch the videos.

And its actually a pneumatic ram, not a hammer, but i know what you guys mean. So i still think you should try doing what mark said. It would be nice to own one, but i got other plans. :)
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Unread postAuthor: FeLeX » Sun Sep 14, 2008 10:53 pm

Mark whats that in your sig?

My biggest qeustion is how did he get the hammer to go back to its original position??
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Unread postAuthor: Demon » Mon Sep 15, 2008 6:34 am

Well anyway point stands, its been done, but it doesnt mean that you cant build it, i think you should.




Nhaaaa...

I dont have neough money left to buy the parts for a gun like this(in canada, a 4 inch pvc sch40 pipe cost 20$ by foot)

I am currently thinking of an "paintball bow piston"

A sort of bow actuating an piston and a barrel at the end.
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Unread postAuthor: Hotwired » Mon Sep 15, 2008 7:07 am

FeLeX wrote:My biggest qeustion is how did he get the hammer to go back to its original position??


Simply a single acting pneumatic cylinder, you let air in to force the piston and the rod one way then when you let the air out a spring hauls the piston and rod back to where it was.

Oh and it was a broadhead arrow he was using, not really a hammer type thing :)
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Unread postAuthor: grumpy » Mon Sep 15, 2008 7:14 am

@Demon,
you mean something like this. http://www.airowgun.com/paint.php
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