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I want to make a paintball gun , would this work

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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I want to make a paintball gun , would this work

Unread postAuthor: beastmode986 » Fri Apr 06, 2012 7:45 pm

Im going to make a pb gun and I want to use the qev slide valve semi auto setup. I will attach a reg then a pb tank probably a 13/3000 tank as an air source .
Here are my questions
1 what size pipe preferably PVC pipe would fit paintballs?
2 what size air chamber should I use to shoot a paintball at 280 fps?
After I figure that info out I will possibly work in a blow forward bolt and make a wooden housing for it
Would this work fine with ought a blow forward bolt
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Unread postAuthor: Zeus » Fri Apr 06, 2012 7:52 pm

1. 3/4 SCH 40

2. Download GGDT

A wooden housing should work, assuming you seal it with epoxy. You'd be far better off using another material though.
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Unread postAuthor: beastmode986 » Fri Apr 06, 2012 8:06 pm

What material do u recommend
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Unread postAuthor: Zeus » Fri Apr 06, 2012 8:14 pm

Ideally, machined out of aluminium, but have a look at JSR's and Wyz's blowforward bolt designs, then upscale it to your needs. It can be made out of standard PVC pipes, with some modification.
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Unread postAuthor: beastmode986 » Fri Apr 06, 2012 9:20 pm

Ok thanks but is the blow forward bolt neccisary
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Unread postAuthor: Crna Legija » Fri Apr 06, 2012 11:26 pm

beastmode986 wrote:Ok thanks but is the blow forward bolt neccisary


id say you will be better off with a BFB but you can use a tee mag.
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Unread postAuthor: wyz2285 » Sat Apr 07, 2012 4:10 am

Here, http://www.spudfiles.com/forums/how-to- ... 24038.html
Just use a bigger barrel, bolt and chamber.
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Unread postAuthor: beastmode986 » Sat Apr 07, 2012 2:10 pm

ok thanks lol thats the same vid i watched earlier that made me want to make this
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Unread postAuthor: beastmode986 » Sat Apr 07, 2012 7:53 pm

ok sorry for posting an uneeded thrread earlier anyway can someone help me understand the bfb better i dont quite understand
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