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Twin Coaxials

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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Twin Coaxials

Unread postAuthor: iPaintball » Wed Sep 19, 2007 8:21 pm

When I made these, I wanted two of the same size, but I ended up short of pipe, so they ended up as fraternal twins. Chamber is 1.25" pipe and barrel is .5" I usually shoot marbles and batteries out of them.
This is the smaller one:
Image
Here the are side by side:
Image
Looking in the chamber:
Image
Barrel end:
Image
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Last edited by iPaintball on Thu Sep 20, 2007 1:15 pm, edited 2 times in total.
Summer Projects:
CO2 tank hybrid: Gotta fix the meter :(
Cane gun: Needs a pilot/fill setup
1.5" piston valve gun: Almost done
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Unread postAuthor: experament-u2 » Thu Sep 20, 2007 12:27 am

they look rely nice well done
what did you use for a piston? could you post a picture of it
and do you use the same pilot setup and piston for both guns
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Unread postAuthor: Pyro Ninja » Thu Sep 20, 2007 1:04 am

How powerful is the small one...because im trying to get around to making a coax pistol....nice guns.. :)
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Unread postAuthor: iPaintball » Thu Sep 20, 2007 2:59 am

I used a 3/4" endcap with a piece of neoprene bolted on it. The small one is actually quite powerful. It can shoot a marble through 1/2" plywood.
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Summer Projects:
CO2 tank hybrid: Gotta fix the meter :(
Cane gun: Needs a pilot/fill setup
1.5" piston valve gun: Almost done
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