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diaphram/piston coaxial

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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???

good
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you should make a larger launcher that has interchangeable valves too
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ok... and could need some improvement
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ok... and could need some improvement
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Unread postAuthor: Alabaster » Sat Jul 28, 2007 4:14 pm

What did you use for the center of the piston?
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Unread postAuthor: origin unknown » Sat Jul 28, 2007 4:40 pm

I used a bolt and a nut to put the sealing face on. The pic was kinda blurry so it was hard to tell what it was.
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Ecclesiastes 1:9 - What has been will be again, what has been done will be done again; there is nothing new under the sun.
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Unread postAuthor: Alabaster » Sat Jul 28, 2007 5:05 pm

Cool didn't cost allot did it?
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Unread postAuthor: origin unknown » Sat Jul 28, 2007 5:12 pm

I found the nuts and bolts in my dad's workshop and I bought the 1/8" rubber at lowes for $2 in the plumbing section.
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