Hammer actuated burst disk

Show us your pneumatic spud gun! Discuss pneumatic (compressed gas) powered potato guns and related accessories. Valve types, actuation, pipe, materials, fittings, compressors, safety, gas choices, and more.
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Demon
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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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SpudUke5
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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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Demon
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Sun Sep 14, 2008 4:34 pm

DAMN!!!

I always think of already founded ideas!!!
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SpudUke5
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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.
4SPC, My 4" piston 3" porting cannon
Memo:
Fix up copper cannon
Fix up 4SPC
Start Stirrup pump
Start Toolies piston bazooka
jon_89
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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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mark.f
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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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SpudUke5
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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. :)
4SPC, My 4" piston 3" porting cannon
Memo:
Fix up copper cannon
Fix up 4SPC
Start Stirrup pump
Start Toolies piston bazooka
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FeLeX
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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??
I have a signature. In Russia signature has you.
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Demon
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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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Hotwired
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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 :)
grumpy
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Mon Sep 15, 2008 7:14 am

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