How does the breech loader on advancedspuds work?

Show us your pneumatic spud gun! Discuss pneumatic (compressed gas) powered potato guns and related accessories. Valve types, actuation, pipe, materials, fittings, compressors, safety, gas choices, and more.
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JDP12
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Wed May 16, 2007 8:21 pm

Hey all, I was wonderin how the breech loader on boogie's coaxial worked??

Here's the link

http://www.advancedspuds.com/pneumatic.htm
"Some say his pet elephant is pink, and that he has no understanding of "PG rated forum". All we know is, he's called JSR. "
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iPaintball
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Wed May 16, 2007 8:27 pm

It's just a cam lock fitting with a bushing on the end that holds a short piece of pipe to push the projectile past the tee.
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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JDP12
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Wed May 16, 2007 8:32 pm

Yea I get that..I mean its a coaxial right, and the end of the barrel has to be sealed.....so how does that work?
"Some say his pet elephant is pink, and that he has no understanding of "PG rated forum". All we know is, he's called JSR. "
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bboymatty
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Wed May 16, 2007 8:59 pm

a good question indeed. maybe it has something to do with the sprinkler valve? maybe... its not a coaxial!!!
clide
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Wed May 16, 2007 9:02 pm

It is a coaxial, but not a coaxial piston valve. The sprinkler valve is the main valve of the gun. The barrel goes completely through the chamber.
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spudthug
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Wed May 16, 2007 9:08 pm

clide...u can not acheive a barrel to go through the chamber with the main valve being a sprinkler... that is jsut common sense...
4" piston valved cannon-half done..( i spilt my cement...)

Hybrid- 75% done. need to build propane holder and drill/tap sparkplug hole..
clide
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Wed May 16, 2007 9:12 pm

spudthug wrote:clide...u can not acheive a barrel to go through the chamber with the main valve being a sprinkler... that is jsut common sense...
Did you look at the gun he linked to? It is even more straightforward than a piston valve, but I can draw a picture if you don't get it.
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