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mini co-axial piston cannon

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: jave101 » Fri Aug 18, 2006 12:44 am

gonna chrony test it soon
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Last edited by jave101 on Mon Aug 28, 2006 9:35 am, edited 1 time in total.
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Unread postAuthor: huse_spud » Fri Aug 18, 2006 10:24 pm

3/4 cpvc slides down 1" pvc with a little space around the sides.
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Unread postAuthor: Viper » Mon Sep 11, 2006 11:42 am

really good paint job. nice gun for a private.
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Unread postAuthor: MrCrowley » Mon Sep 11, 2006 2:43 pm

what do you mean nice gun for a private?its not your rank that counts,some people are skilled builders but just havnt posted 500times on thse forums.there are some very skilled privates on these forums
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Unread postAuthor: sv490665 » Thu Sep 28, 2006 11:47 pm

The only part about a coaxial that confuses me is how the end of the chamber is sealed off where the barrel comes out of it and is exposed to the open. Do you just drill a hole the size of the OD of the barrel into an endcap of the chamber and seal it with some epoxy or something? I want to build a coaxial real bad :(
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Unread postAuthor: MrCrowley » Fri Sep 29, 2006 1:15 am

or you use a bushing, which is like and reducer but with the reducer part inside.

not sure if youll understand that so just google it.
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Unread postAuthor: jave101 » Fri Sep 29, 2006 3:06 am

yeah i just drilled a hole the same size as the OD of the barrel into a end cap primed and glued it then waited for that to go off then put some strong epoxy around the joint
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Unread postAuthor: Z0Z0 » Sun Nov 12, 2006 7:49 pm

nice its very clean

I like the pant job

I really like it

good job
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~Z0Z0

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Unread postAuthor: spud-tom » Sun Nov 12, 2006 11:01 pm

is all of that pvc?
By the way really nice cannon
i made one similar to that with a ball valve, and it can put a marble through a 2 ply
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Unread postAuthor: iPaintball » Sun Apr 08, 2007 10:18 pm

That's hot...
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Unread postAuthor: cb4289 » Tue May 15, 2007 8:49 pm

PVC Arsenal 17 wrote:
markfh11q wrote:That is most likely 1-1/2" or 1-1/4" pipe. I can't even get 3/4" pipe to fit into 1" pipe.


You're right. I said the same thing. Unless they have some kind of SDR 1" that he used...


you could use a lathe a mill or a drill press to thin the wall of the pipe i thin. they've done it on myth busters.
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