"The Omega Project" help needed

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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mark.f
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Thu Nov 16, 2006 10:50 pm

The rubber coupling, I'm guessing, is to form a better seal against the sealing face on the piston. Although a normal SCH-40 PVC coupling half can be used as well to get similar results.

Unless I'm wrong?
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Sat Nov 18, 2006 4:11 pm

Well I priced the whole deal out... It'll cost around $150!! I'm gonna be piss broke!
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schmanman
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Sat Nov 18, 2006 5:02 pm

you think that's bad? try $450-500 bucks, and counting!! :lol: (Tomorrow I need to spend even more, working on a breech)
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Sun Nov 19, 2006 1:46 pm

may I ask what the hell you're building?
Last edited by PVC Arsenal 17 on Mon Nov 20, 2006 5:13 pm, edited 1 time in total.
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Mon Nov 20, 2006 3:41 pm

EDIT* SCROLL vvvv
Last edited by PVC Arsenal 17 on Mon Nov 20, 2006 5:13 pm, edited 1 time in total.
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schmanman
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Mon Nov 20, 2006 4:45 pm

markfh11q wrote:The rubber coupling, I'm guessing, is to form a better seal against the sealing face on the piston. Although a normal SCH-40 PVC coupling half can be used as well to get similar results.

Unless I'm wrong?
there is no rubber sealing face on the piston. the face of the piston is pvc. the rubber is on the barrel, not the piston.
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PVC Arsenal 17
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Mon Nov 20, 2006 5:12 pm

Yeah we got that

New question:

Now I'm torn between sealing with an actual pipe through the tee or sealing with a bushing like rmich?

what yeilds more power? And will two caps back to back hinder the power as opposed to only one cap?
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schmanman
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Mon Nov 20, 2006 5:19 pm

the two caps back to back will lengthen the valve. go with one. just put a bushing in, with a pipe through that. (did I not understand your question?)
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Mon Nov 20, 2006 5:20 pm

OK we worked it out.. I misunderstood his design. Thanks
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