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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: MrCrowley » Sat Nov 15, 2008 5:38 pm

jonnyboy wrote:Oh my bad I knew the SWAT gun was bigger but I thought it had a smaller diameter chamber. You need a bigger barrel on this WOW.

Even if he had a 3" 10' chamber, it'd still be more powerful.
I'd take a fast, high flow valve over a large chamber anyday (all in moderation of course).

I think better valves will be on the top of his list, but a longer barrel couldn't hurt. As long as you have a place to store a 15' length of pipe or something. :P
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Unread postAuthor: Brian the brain » Sun Nov 16, 2008 6:25 am

reminds me of my brothers 4"piston valved cannon he's making.( housed în 6")

You really need to up the valves...
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Unread postAuthor: Ragnarok » Sun Nov 16, 2008 9:59 am

Shame about that horrible valve flow restriction, because that really is going to cut deep in to your performance.

Also... any chance of a picture where we can see all of it at once? Close ups of the back end of it don't tell us much at all.
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Unread postAuthor: psycix » Sun Nov 16, 2008 6:26 pm

WOW!! nice cannon you made WOW!!.

I'd like to see it going with a piston valve instead of those crappy sprinklers.
When are you going to do that?
Keep going on like this!
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Unread postAuthor: WOW!! » Fri Nov 28, 2008 7:23 am

I am goin to put dual valves on there when I have some money, trying to find a job right now. Actually even with the sprinkler valves I am able to shoot a section of 2.5" PVC filled with concrete through about 3" of plywood so I can only imagine what the new valves will do.

I have them drawn up and I will be making a How To when I do them. I will be getting more pics and vids, I had to wait to use it because my 6gal compressor cries when it sees it so I am going to get my buddies gas compressor.

And there also might be a single 6" valve with full 6"x4" porting on there, I am still working out the design of it, but it might becoming soon.

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Unread postAuthor: schmanman » Thu Jan 29, 2009 2:36 pm

I feel special that I'm still mentioned now and then! :P
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