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Unique never seen before Pneumatic (i want to show it off)

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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Unique never seen before Pneumatic (i want to show it off)

Unread postAuthor: MowPow » Mon Jul 01, 2013 10:05 pm

The 4" round air chamber totally surrounds the 2" barrel. The Barrel goes all the way through the air chamber. The reducer at the both ends of the gun had to be carefully sanded so the 2" could pass all the way through the reducer and still be air tight.
This is a lot less awkward to carry.
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here it is in all its glory
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Here is a better look
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Unread postAuthor: JMM639 » Mon Jul 01, 2013 11:02 pm

Wasn't it easier to make a piston valve cannon? .-.
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Unread postAuthor: Gippeto » Mon Jul 01, 2013 11:16 pm

Creative design...no benefit, huge dead space, restricted flow...but creative.

If I said "DWV"...would that mean anything to you?

What is your intended working pressure?
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Unread postAuthor: jackssmirkingrevenge » Mon Jul 01, 2013 11:30 pm

I've actually seen this configuration before but kudos if you came up with it independently :)

As Gippeto pointed out, it would have been much more powerful with the sprinkler valve fitted at the reducer where you schrader valve is, but hey, if it works it works, nice job!
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Unread postAuthor: Blitz » Tue Jul 02, 2013 12:47 am

What JSR said. :)

Just do exercise extra care handling that thing.
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Unread postAuthor: Gun Freak » Thu Jul 04, 2013 11:41 am

Seen it too, but it's still cool.

Would be cooler if you used pressure rated parts and painted it :D
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Unread postAuthor: Brian the brain » Tue Jul 09, 2013 1:25 pm

You could have placed the valve right behind the coaxial chamber.
Or put a breech inbetween.

That would have taken out a lot of dead space.

Kudos for trying something different right away though!
Most start out by copying others or by asking for designs.

You could insert a smaller diameter barrel and use the dead space ( the elbows loading up to the straight barrel) to hold some additional ammo.

plastic bb's would work without tearing up the inside...
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Gun Freak wrote:
Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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