Concerns: QEV And Blowgun

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.
sagthegreat
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Mon Jun 18, 2012 6:05 pm

Matty, because we want to test if the thing works before permanently gluing it to the cannon.

Back to topic,
or multishot will i need a bleed hole, also when i blow into the pilot hole, air doesn't come out of the chamber hole? My qev wont even come apart(believe me i tried). thanks guys for the help
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jackssmirkingrevenge
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Tue Jun 19, 2012 11:51 pm

sagthegreat wrote:My qev wont even come apart(believe me i tried).
Not hard enough.

Show us the QEV.
hectmarr wrote:You have to make many weapons, because this field is long and short life
sagthegreat
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Wed Jun 20, 2012 7:34 am




its this one, i know the gold thing is suposed to come off, but it appears to be jammed in there. And i wont need to take it apart if it doesnt need a bleed hole.


Thanks :D
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jackssmirkingrevenge
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Wed Jun 20, 2012 7:52 am

Image

Mine came off pretty easily, are you sure you were turning it anti-clockwise ;)

If you're filling from the chamber side, you will need to poke a hole in the piston/diaphragm for it to work.
hectmarr wrote:You have to make many weapons, because this field is long and short life
sagthegreat
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Wed Jun 20, 2012 8:01 am

jackssmirkingrevenge wrote:
If you're filling from the chamber side, you will need to poke a hole in the piston/diaphragm for it to work.

So for multishot, no hole, just a spring?


ty :)
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jackssmirkingrevenge
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Wed Jun 20, 2012 8:10 am

if you're only going to connect a chamber to the "A" port, and only the blowgun to the "P" port, you need a hole for it to work at all, and a light spring for it to be semi auto.

If you're going to connect a main chamber to "P" and a smaller firing chamber to "A", along with the blowgun, then you don't need a hole, but you will get poorer performance and much less efficiency than if you used a three way valve.
hectmarr wrote:You have to make many weapons, because this field is long and short life
sagthegreat
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Wed Jun 20, 2012 8:26 am

ARG, srry but this is confusing, i am filling from the p side, and am using a semi auto blowgun mod. So i am filling from the pilot and will have a chamber at the A port. I got the spring part done, but dont know about the hole
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jackssmirkingrevenge
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Wed Jun 20, 2012 8:27 am

In that case, you can leave your diaphragm intact.
hectmarr wrote:You have to make many weapons, because this field is long and short life
sagthegreat
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Wed Jun 20, 2012 8:34 am

Thank you soooo much for being patient with me and helping out, really appreciate it! Now i can finally finish my rifle
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POLAND_SPUD
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Wed Jun 20, 2012 9:56 am

In that case, you can leave your diaphragm intact.
lol :D
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