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simple co-ax with attached stock

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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Unread postAuthor: chinnerz » Thu Apr 08, 2010 5:44 am

yep i couldnt have said it better.
and frankly -_- should be better at this than me. but also remember, lube is your friend!
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Unread postAuthor: spudkpi » Thu Apr 08, 2010 8:25 pm

I feel stupid even asking but how the hell do people get these breech loading co-axials? I thought they were all strictly muzzle loaders. Can someone show me a schematic or something. sorry but I just don't get it.
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Unread postAuthor: thedeathofall » Thu Apr 08, 2010 8:34 pm

The "breech loading" coaxils aren't full breech loaders. The breech is attached OUTSIDE of the chamber :wink: in a setup like this, where it is in a bull-pup configuration, the velocity isnt harmed as much because you can attach a long barrel and make up for the dead space.
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Unread postAuthor: spudkpi » Thu Apr 08, 2010 8:56 pm

Still don't get what you mean. Visual aid haha? I just don't get how it can still hold pressure but breech load at the same time.
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Unread postAuthor: spudkpi » Thu Apr 08, 2010 9:07 pm

Okay so let me see if I can get it... Its like a coaxial but the chamber is say only 12" long but the barrel is 24" and the breech goes in at around the thirteen inch mark or so. Breeched just after the chamber ends?
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Unread postAuthor: thedeathofall » Thu Apr 08, 2010 9:12 pm

yup. that would be it. the chamber still seals completely, but you dont have to muzzle feed the darn things. Oh, and it works pretty well with round ammo because they roll down the barrel.
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Unread postAuthor: spudkpi » Thu Apr 08, 2010 9:17 pm

I understand completely and now wish I had re-thought that into my next cannon.
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Unread postAuthor: chinnerz » Fri Apr 09, 2010 1:11 am

Visual Aid

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round loaded into barrel
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Unread postAuthor: spudkpi » Fri Apr 09, 2010 5:10 pm

bingo! Thanks! I get it now...
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