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PB Shotgun

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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PB Shotgun

Unread postAuthor: keep_it_real » Mon Mar 26, 2007 6:36 pm

I'm not sure if anyone has tried this yet but we did (a friend and I). We put 9 3/4" cpvc barrels inside 2' of 3" pvc. The barrels are glued with Great Stuff which stands true to its name. I don't have a chrony but I'm guessing it goes around 300 to 350ish fps. Check it out.
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Attachments
shotgun 004.jpg
This isn't from the shotgun barrel but a regular 1.5" barrel. What you see here is a mold of the bark on a tree. The hole in it was from a nail that was in the tree and it poked through.
shotgun 005.jpg
An unwanted soda can
shotgun.jpg
Without the shotgun barrel.
shotgun 006.jpg
Shotgun barrel
shotgun 007.jpg
shotgun 007.jpg (37.76 KiB) Viewed 4897 times
shotgun 010.jpg
This is 1/4" plywood. There are 18 pb shots on there from about 30 feet away. They spread out very nicely. The hole is from a duct tape rock.
Last edited by keep_it_real on Mon Mar 26, 2007 6:45 pm, edited 1 time in total.

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Unread postAuthor: pyromaniac » Mon Mar 26, 2007 6:39 pm

Thats flippin awsome. shoot at some big target so we can see the splattered paint.
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Unread postAuthor: Velocity » Mon Mar 26, 2007 6:49 pm

Looking good... i am going to try something like that soon
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Unread postAuthor: keep_it_real » Mon Mar 26, 2007 7:19 pm

What exactly would you call this gun? It's not really a true shot gun but it shoots multiple shots at one time.
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Unread postAuthor: hi » Mon Mar 26, 2007 7:27 pm

cool, now make it semi-auto... just kidding, thats really cool, i think ill try that, maybe in a coaxial. Really nice cannon and great design
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Unread postAuthor: jackssmirkingrevenge » Mon Mar 26, 2007 9:23 pm

keep_it_real wrote:What exactly would you call this gun? It's not really a true shot gun but it shoots multiple shots at one time.


It's a Volley Gun, much like the French Mitrailleuse :wink:
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Last edited by jackssmirkingrevenge on Tue Mar 27, 2007 2:12 am, edited 1 time in total.
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Unread postAuthor: TwitchTheAussie » Tue Mar 27, 2007 12:53 am

Well Im gonna stick with calling it a shotgun. Load it up with some marbles next time then see what it can do :twisted: Madness as ever man congrats
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Unread postAuthor: imablackskater » Tue Mar 27, 2007 7:20 pm

use marbles put a bunch of them in the barrel attach the shot gun
attachment and it would be like a mega cloud.
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Unread postAuthor: lukemc » Tue Mar 27, 2007 7:49 pm

how did you keep the cpvc strait inside the pvc?
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Unread postAuthor: judgment_arms » Tue Mar 27, 2007 8:02 pm

lukemc wrote:how did you keep the cpvc strait inside the pvc?

Look at the randomness of the spread, I’m guessing he didn’t.

Nice volley gun, you need to adjust the spread so that it’s wider, basically so that it puts all the rounds in a line.
But other than that nice work, cut the foam back away from the muzzles that should improve accuracy.
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Unread postAuthor: Mitchza89 » Tue Mar 27, 2007 11:20 pm

Great looking cannon there. I love the multi-chambered shotgun attachment, very creative. Keep up the good work!
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Unread postAuthor: smiley face » Wed Mar 28, 2007 1:21 am

you should paint the shotgun barrel to make it look better
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Unread postAuthor: mopherman » Sat Mar 31, 2007 8:16 pm

Mitchza89 wrote:Great looking cannon there. I love the multi-chambered shotgun attachment, very creative. Keep up the good work!

pretty sure it only had one chamber
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Unread postAuthor: locksmith » Mon Apr 02, 2007 12:06 pm

Love that barrel design thats very cool
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Unread postAuthor: Pyr0man1ac » Tue Apr 03, 2007 9:01 pm

:twisted: Thats all i have to say...
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