Need input on this valve

Cannons powered by pneumatic pressure (compressed gas) using a valve or other release.
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Gun Freak
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Sorry for double post but I need clarification on something.
ramses wrote:as to the o-rings, a drillpress, drill-in-a-vice, table saw... knife...


A while back, tech posted a video about his floating O-rings. You will really want floating rings; they are amazing as far as friction goes.
Can you explain a little in detail? I couldn't find that thread.

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I've been thinking about this and it works for your piston setup so I bet if you made your piston out of a rubber end cap I bet you could obtain a similar check valve effect like on the secret strike nerf gun
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That's a good thought... where do you think I could get such a cap?
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they should be available at your local hardware store, they typically come with hose barbs to keep them on things, here's some examples
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Oh yeah I've seen those, thanks. The hose clamp should be taken off though. You think it would be tight enough without it? Also, the need for a sealing gasket would be gone, but those letters on the end may need to be taken off so it is flat.

Here's the drawing I came up with for it, I compacted my design even more. By cutting up some bushings, I can eliminate the need for the female adapter and lower the pilot volume. Don't freak out on my for all the O-rings :D I just wanted a good seal. :P
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