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First Poly Piston Gun - Black Gold.

Built a pneumatic cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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Unread postAuthor: Carlman » Sat Jun 07, 2008 5:47 am

its rated for that high (philmac anyway dunno bout others) but i wouldnt take it that high.
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Unread postAuthor: Mitchza89 » Sat Jun 07, 2008 5:49 am

Yeah I reckon 300psi would be good. With the low volume of my pump, it would take a bit of pumping. The only problem I have is the actuating valve.. A sprinker valve would pop at pressures over 200.... hmmmm...
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Unread postAuthor: Carlman » Sat Jun 07, 2008 6:04 am

Mitchza89 wrote:Yeah I reckon 300psi would be good. With the low volume of my pump, it would take a bit of pumping. The only problem I have is the actuating valve.. A sprinker valve would pop at pressures over 200.... hmmmm...


pn20 metal BV
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Unread postAuthor: Mitchza89 » Sat Jun 07, 2008 6:07 am

:wink: My thoughts exactly. A 1'' BV with a 3/4'' long bend handle and a custom trigger, like the setup on my whammy guns :D.

Hmm I might get myself a meter of 3/4'' aluminium tube as the barrel... I don't trust that 300psi spike in pressure that's gonna be running through the pressure pipe. Plus if it's polished, it'll look so so good :D
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Unread postAuthor: Carlman » Sat Jun 07, 2008 12:21 pm

Mitchza89 wrote::wink: My thoughts exactly. A 1'' BV with a 3/4'' long bend handle and a custom trigger, like the setup on my whammy guns :D.

Hmm I might get myself a meter of 3/4'' aluminium tube as the barrel... I don't trust that 300psi spike in pressure that's gonna be running through the pressure pipe. Plus if it's polished, it'll look so so good :D


yea alum is nice aye, i got an old fire eq and with it was a 40cm long alum 15mm pipe with one end threaded i was like shotgun time :twisted:
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Unread postAuthor: Mitchza89 » Sat Jun 07, 2008 7:35 pm

That's gonna be a ripper:D. Whens the due date? hahaha
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Unread postAuthor: Carlman » Sun Jun 08, 2008 1:44 am

Mitchza89 wrote:That's gonna be a ripper:D. Whens the due date? hahaha


hwenever i can find a cheap 20mm QEV :twisted:
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Unread postAuthor: Mitchza89 » Sun Jun 08, 2008 9:55 am

Haha good luck mate. I've tried and failed many times :D.
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Unread postAuthor: Carlman » Sun Jun 08, 2008 10:56 am

Mitchza89 wrote:Haha good luck mate. I've tried and failed many times :D.


well i found a 10$ 3/8" one so time will tell
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Unread postAuthor: Mitchza89 » Mon Jun 09, 2008 6:05 am

Hmm this topic should be closed down considering I've got the new one up....Hmm...
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