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pneumatic pistol idea

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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pneumatic pistol idea

Unread postAuthor: spudzooka98 » Mon Apr 29, 2013 7:32 am

hey guys i have an idea for a pneumatic and wanted to ask you guys first i know nothing about pnuematic never built one but my idea is having 6 inches of 1 1/2 pvc a 1 1/2 end cap schrader tire valve in the end cap , 90 deg. elbow , ball valve reducer 1 1/2 - 3/4 , and a 9 inch 3/4 barel wanted to ask before i make it because like i said i know nothing about pneumatic and for all i know it could be a recipe for disaster
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Unread postAuthor: jackssmirkingrevenge » Mon Apr 29, 2013 7:41 am

Ball valve will give you crap performance. Buy a QEV.
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Unread postAuthor: spudzooka98 » Mon Apr 29, 2013 7:52 am

are they common
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Unread postAuthor: jackssmirkingrevenge » Mon Apr 29, 2013 7:56 am

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Unread postAuthor: spudzooka98 » Mon Apr 29, 2013 7:59 am

awsome and thanks do you think the gun will work good though to
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Unread postAuthor: jackssmirkingrevenge » Mon Apr 29, 2013 8:17 am

if you want to use a ball valve, make it spring loaded: http://woodgears.ca/airgun/
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Unread postAuthor: spudzooka98 » Mon Apr 29, 2013 8:49 am

ohhh ok i thnk i know why you guys dont care for ball valves they open to slow compare to qev or a springed ball valve . correct ?
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Unread postAuthor: Solar » Tue Apr 30, 2013 1:29 am

Yes, too slow and not consistent.
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Unread postAuthor: Solar » Tue Apr 30, 2013 1:42 am

Whatever you do, if you use glue make sure you give it plenty of time to cure. Do not get over anxious and charge the launcher too early. You will get a leak at best and at worst a flying heavy end cap with whatever attached to it causing destruction to yourself or others.
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Unread postAuthor: jackssmirkingrevenge » Tue Apr 30, 2013 2:35 am

Solar wrote:You will get a leak at best and at worst a flying heavy end cap with whatever attached to it causing destruction to yourself or others.


... or your roof :D

[youtube]http://www.youtube.com/watch?v=cJ0KnAVbxMQ[/youtube]

[youtube]http://www.youtube.com/watch?v=zLo2iD8_RK4&NR=1[/youtube]
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Unread postAuthor: spudzooka98 » Tue Apr 30, 2013 12:15 pm

ahhhh i would prefer that not happening to me haha about how much presure do you think it can hold again zero experiance with pneumatic i dontknow if the pipe can hold as much as it says it can .... or can it :D
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Unread postAuthor: jackssmirkingrevenge » Tue Apr 30, 2013 12:38 pm

If you want a pneumatic pistol, I don't think PVC is the way to go though.

I would make something like this: http://www.spudfiles.com/forums/15-high ... 17042.html

http://www.spudfiles.com/forums/airsoft ... 21630.html
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Unread postAuthor: spudzooka98 » Wed May 01, 2013 8:40 am

man i cant believe i did not see those they are awsome but hey what if you instead of puting a tire valve there you hook up a few feet of hose to a air chamber about 1 foot of 3 inch pvc witha end cap on both sides on one side make it so you can hook up a compressure or bike pump and other side a spot to hook up the hose fill up the chamber with air now you get multiple shots out of it
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