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Cannons powered by pneumatic pressure (compressed gas) using a valve or other release.
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Teucer
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Joined: Mon May 09, 2005 7:11 pm

I built this cannon for a little under $50 and it is very powerful. For reference to its size the two side pieces of the cannon are made from 5 foot pipes. The barrel is a 3/4in pipe that i shoot ball bearings, glow sticks and one time a roll of pennys (very fun to shoot at a piece of concrete and having a shower of pennys fly off, many bent). Also Ive designed it so that you can angle the barrel up and down. I also have a 2in barrel, not shown.
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This perticular penny has an imprint of the backside of another penny on it. Check out his forehead.
This perticular penny has an imprint of the backside of another penny on it. Check out his forehead.
This is from when I shot a roll of 50 pennys out of my cannon at a Cement block, Sorry Mr. Pres
This is from when I shot a roll of 50 pennys out of my cannon at a Cement block, Sorry Mr. Pres
If you think I made this trigger because its safe you would be wrong, because it just looks so good
If you think I made this trigger because its safe you would be wrong, because it just looks so good
This concrete block is 11inx11inx2.5in and was shot with paintball size ballbearings
This concrete block is 11inx11inx2.5in and was shot with paintball size ballbearings
My cannon with the barrel angled up
My cannon with the barrel angled up
My Cannon
My Cannon
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spudshot
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Joined: Sun Oct 03, 2004 7:16 am

very nice, though i'd make a small stand for it, since the recoil might cause the chambers to scrape on the concrete, and the barrel could be longer, its really hurting performance, and i'd mod the valve, hey, great work for a beginner!
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saladtossser
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Joined: Sat Mar 26, 2005 10:40 am
Location: Toronto
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nice work, how did u make the barrel shoot at different angles?
"whoa... I thought pimpmann was black..."-pyromanic13
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spudshot
Sergeant
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Joined: Sun Oct 03, 2004 7:16 am

he's got a union before the valve, he just unscrews it, and adjusts the height then attatches the union again
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Alder
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Posts: 24
Joined: Mon Jul 04, 2005 10:51 am

wow pretty powwerfull whats the range on it is it loud again have you thought about modding the valve for more power

is it portable
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julz
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Posts: 178
Joined: Mon Apr 18, 2005 12:54 am
Location: australia

wow alder, good grammer. :) that looks like a pretty good cannon though. it looks quite powerful though. good stuff. :)
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Alder
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Posts: 24
Joined: Mon Jul 04, 2005 10:51 am

what do expect from a guy who tryed to bite his english teacher :twisted: :twisted: :twisted: :twisted: :twisted: :twisted:
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