Exhaust valve help.

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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Gun Freak
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Wed Jun 15, 2011 7:01 pm

I don't see em...
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warhead052
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Wed Jun 15, 2011 7:41 pm

Yeah photobucket is down. I am going to try again now.
warhead052
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Thu Jun 16, 2011 11:09 am

YES, I FIXED IT. No need for pictures. I tested at 60 psi and I am now deaf.... This kinda sucks, but oh well. I am glad I got it fixed. I just stuck a spring inside, and it holds the seal down really tight and then I apply air pressure and then push the pilot then BANG.
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POLAND_SPUD
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Thu Jun 16, 2011 11:21 am

uhmm just to clarify... did you fill it from the chamber side or the pilot side ?
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warhead052
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Thu Jun 16, 2011 11:24 am

You will never believe it, chamber side. I was fully expecting to have to fill pilot, but with the spring I can fill chamber. Which is what I wanted for the gun anyways.
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Crna Legija
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Thu Jun 16, 2011 11:38 am

OMG you should have told us before you wanted to fill chamber side :roll:
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warhead052
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Thu Jun 16, 2011 11:46 am

If I had known you guys wanted to know that then I would of told you.
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POLAND_SPUD
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Thu Jun 16, 2011 11:48 am

ohh I was expecting that - your QEV was not broken at all - you just used the wrong port (well... one that needs a spring to work if you want to put it that way)
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Gun Freak
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Thu Jun 16, 2011 12:28 pm

Dude I told you to fill pilot like 1,000 times :D :D :D
Glad you got it working albeit the spring is limiting the power.
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warhead052
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Thu Jun 16, 2011 5:02 pm

Actually its not gun freak, it dumps the entire damn chamber at once. There goes my plan for multiple shots but oh well. I tried filling pilot multiple times but it never worked, it just leaked.
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Gun Freak
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Thu Jun 16, 2011 5:06 pm

I know it's dumping the whole chamber, that's what it's supposed to do :wink: The spring makes the diaphragm open slower and not as far though.
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warhead052
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Thu Jun 16, 2011 5:11 pm

Well, I will remove it and try again, but I really don't want to have to.

It does not really seal at all without the spring. I think this one was made more for higher pressures and faster inputs.
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Crna Legija
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Thu Jun 16, 2011 11:52 pm

warhead052 wrote:Actually its not gun freak, it dumps the entire damn chamber at once. There goes my plan for multiple shots but oh well. I tried filling pilot multiple times but it never worked, it just leaked.

keep the spring in there, fill he gun up and tap the blow gun valve with a hammer it should give you semi.
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warhead052
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Fri Jun 17, 2011 1:57 pm

Thats my new problem. My pump broke, I took it apart and found out that the check valve forces its way into the part is is supposed to stop and gets stuck. I only just got it like 2 weeks ago, so I am going to return it.
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Gun Freak
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Fri Jun 17, 2011 2:23 pm

Walmart? Lol :lol:
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