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Tiny QEV

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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Tiny QEV

Unread postAuthor: demilus » Tue Nov 20, 2007 6:43 pm

I was fiddling around with my paintball gun, and I was about to install a QEV in it (makes the bolt cycle faster, among other things), and I thought to myself, "Hey, this is a QEV. QEV=Cannon!" This could make building a mini pneumatic cannon quite easy. What do you guys think?
The only thing I could think of is how to trigger it.

Link:

http://www.actionvillage.com/is-bin/INT ... n-qev-kits
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Unread postAuthor: Hotwired » Tue Nov 20, 2007 7:33 pm

Easy enough, fill and trigger through the hose end.

Problem is I don't believe ion QEV's bother threading the exhaust port so it would have to be a fairly improvised connection to a barrel.

Might be ok for a bb gun.
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Unread postAuthor: benstern » Tue Nov 20, 2007 8:46 pm

how big are they?
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Unread postAuthor: HaiThar » Tue Nov 20, 2007 9:40 pm

This has been tested IIRC and the ION marker QEV is way too small to allow great power.

Also, benstern has 666 posts D:
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Kthx, BAI
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Unread postAuthor: f.c » Wed Nov 21, 2007 5:03 am

i think it could be decent for launching small blow darts at decent velocities if the pressure was around 120 psi.
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can i be a sasquatch ?
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Unread postAuthor: benstern » Wed Nov 21, 2007 2:02 pm

I have and sell 1/8" threaded QEVs for $5
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Unread postAuthor: VH_man » Wed Nov 21, 2007 2:16 pm

Where can i pick some up? i feel like 1/8 inch is too low of a flow for even a .40 cal blowgun. mabey a BB gun?
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Unread postAuthor: ALIHISGREAT » Wed Nov 21, 2007 2:26 pm

VH_man wrote:Where can i pick some up? i feel like 1/8 inch is too low of a flow for even a .40 cal blowgun. mabey a BB gun?


the minimum i would use for a bb gun would be a 1/4"
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Unread postAuthor: benstern » Wed Nov 21, 2007 2:44 pm

PM me if you want one. And they pretty much are only useful on bb sized ammo.
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