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Powerful ball valve mini 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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Powerful ball valve mini cannon

Unread postAuthor: AircannonSweden » Sat Mar 02, 2013 11:43 am

This is my latest project! It is a soda-stream Co2 tank and the valve is 1/2

With 2 bars i shoot a rifle-shell about 100 meters. It is some leaks in the fittings and i will fix that soon!

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Unread postAuthor: jrrdw » Sun Mar 03, 2013 3:21 am

How is the elbow held in, is it threaded?
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Unread postAuthor: jackssmirkingrevenge » Sun Mar 03, 2013 3:56 am

Shame it's single shot, you really need to but a bb chamber on that thing :)
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Unread postAuthor: AircannonSweden » Sun Mar 03, 2013 4:45 am

jrrdw: Yes, it is threaded

jackssmirkingrevenge: I will see what I can do about it :)
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Unread postAuthor: Labtecpower » Sun Mar 03, 2013 7:36 am

Heh, looks like fun!
With that chamer you could up the pressure quite a bit, and add a smaller secundary firing chamber.
Also, if you spring-load the ball valve you'll more than double the power you have now :)
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Unread postAuthor: AircannonSweden » Sun Mar 03, 2013 11:05 am

I will fix all the leaks in the fittings, then I can work on the funnier stuffs ;)
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