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Frist 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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Frist cannon

Unread postAuthor: ewok11 » Sat Feb 25, 2012 4:07 am

here is my frist go a a cannon made from all the stuff i found lying around. build cost $0

its a little heavy but for the price its fine! it uses a piston valve and so far has only been fired at 100psi .
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Unread postAuthor: jackssmirkingrevenge » Sat Feb 25, 2012 4:25 am

Very nice for a first effort! Chamber size is a little overkill but nothing wrong with MOAR POWER :D damage pics/videos?
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Unread postAuthor: ewok11 » Sat Feb 25, 2012 4:39 am

hey chamber to barrel raito is only 4:1 24 Litres chamber to 6 litres in barrel no vids yet always forget as its so much fun but will try and get some tomorrow
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Unread postAuthor: jrrdw » Sat Feb 25, 2012 6:51 am

Any pictures of the piston and sealing face set up? Nice work. That tennis ball looks like a tight fit, was that picture for size reference?
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Unread postAuthor: lemming124 » Sat Feb 25, 2012 6:58 am

your first? made entirely from spare parts?
http://media.tumblr.com/tumblr_lojul1hoB91qgzuxc.jpg
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Unread postAuthor: Technician1002 » Sat Feb 25, 2012 9:16 am

Paint those two tanks industrial yellow and I would expect Mike and Sully to show up.
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Unread postAuthor: mattyzip77 » Sat Feb 25, 2012 9:17 am

That thing is a friggen beast! Nice job on the welding. Whats the piston made of?? Can we get a peek inside?? Nice first!!
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Damage VIDEO NUMBER 1

Unread postAuthor: ewok11 » Fri Mar 02, 2012 2:18 am

hey sorry for the slow replys been one of those weeks!
The piston is made out of so plastic bar that was at work with some o rings and rubber as the sealing face.

And yes this is my frist cannon it did have a ball valve on it to i made the piston for it.

here is the only vid i have of it

shooting a tennis ball from about 20 meters

http://youtu.be/z2CwAz114o8
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Unread postAuthor: jackssmirkingrevenge » Fri Mar 02, 2012 2:21 am

haha, excellent!

[youtube]http://www.youtube.com/watch?v=z2CwAz114o8[/youtube]
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Unread postAuthor: ewok11 » Fri Mar 02, 2012 2:24 am

thanks for posting that so it could be seen on here. i didnt know how to do it
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Unread postAuthor: pneumaticcannons » Fri Mar 02, 2012 4:17 am

[youtube]*video url*[/youtube] :wink:
btw awesome video and cannon :)
what are the chambers made from?
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Unread postAuthor: jackssmirkingrevenge » Fri Mar 02, 2012 4:46 am

pneumaticcannons wrote:what are the chambers made from?


Looks like fire extinguishers.
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Unread postAuthor: pneumaticcannons » Fri Mar 02, 2012 7:12 am

some weird looking FE's... Thought they were beer kegs at first glance :D
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Unread postAuthor: Petitlu » Fri Mar 02, 2012 9:16 am

cans to put the milk of cows! :D
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Unread postAuthor: warhead052 » Fri Mar 02, 2012 11:06 am

Wow, haven't seen that until now. Dunno how I missed it. Looks excellent! I like the size of it. I suppose SB15 should be happy that a large bore has popped up, even if its not a hybrid or combustion.
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