Twin Coaxials

Cannons powered by pneumatic pressure (compressed gas) using a valve or other release.
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iPaintball
Corporal 2
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Posts: 695
Joined: Sun Mar 04, 2007 8:37 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:
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Here the are side by side:
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Looking in the chamber:
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Barrel end:
Image
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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experament-u2
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Posts: 469
Joined: Tue Dec 26, 2006 11:18 pm

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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Pyro Ninja
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Posts: 351
Joined: Mon Oct 09, 2006 7:11 am
Location: Australia

How powerful is the small one...because im trying to get around to making a coax pistol....nice guns.. :)
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iPaintball
Corporal 2
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Posts: 695
Joined: Sun Mar 04, 2007 8:37 pm

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.
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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