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Airsoft/paintball 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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Airsoft/paintball shotgun

Unread postAuthor: Acdcmonkey1991 » Wed Jun 20, 2007 3:41 pm

This is my newest cannon. It can crumble the paint of a thin walled dry erase board with about 40 airsoft bbs. The barrel also fits paintballs perfectly because it is 3/4 in. copper. The valve is a 3/4 modified sprinkler valve modified with a 3/8 in. ball valve. The chamber is about 6-7 in. of 3/4 in. shc. 40 pvc. hope youlike it...
Peace- :D
-aMor

Pics-

Whole Gun- http://www.imagehoop.com/view_image/0bb ... NP0001.JPG

Chamber and Valve-
http://www.imagehoop.com/view_image/167 ... NP0002.JPG

Barrel-
http://www.imagehoop.com/view_image/47e ... NP0003.JPG
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Last edited by Acdcmonkey1991 on Thu Jun 21, 2007 7:05 am, edited 1 time in total.
VH was awesome!!
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Unread postAuthor: Flying_Salt » Wed Jun 20, 2007 4:11 pm

I like it, but the chamber is a little small. You could get a away with making it a little bigger, but still it looks nice.
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Unread postAuthor: experament-u2 » Wed Jun 20, 2007 9:03 pm

nice gun Acdcmonkey nice little plinker 8)
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Unread postAuthor: Acdcmonkey1991 » Wed Jun 20, 2007 9:43 pm

Thanks man, I'm a fan of your old pneumatic rifle, belive it or not.. it actually inspired me to build pnuematics... :D :)
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VH was awesome!!
Current projects:
C02 Jetpack (CIIJ)
Waterjet vehicle
.177 cal. piston rifle
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Unread postAuthor: spudthug » Wed Jun 20, 2007 9:53 pm

the reaper v2? i love that gun..not rifle, gun..

i highly doubt u shatter a dry erase board with a tiny chamber and airsoft bbs....unless u use like 500 psi witch u dont obviously..

now i know i am going to get yelled at for saying the above but that chamber is way way way to small..
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4" piston valved cannon-half done..( i spilt my cement...)

Hybrid- 75% done. need to build propane holder and drill/tap sparkplug hole..
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Unread postAuthor: experament-u2 » Wed Jun 20, 2007 10:04 pm

spudthug wrote:the reaper v2? i love that gun..not rifle, gun..


:D thanks spudthug

the chamber is a bit small but if its all you need to plink with don't worrie bout making it bigger unless u need/want the power
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Unread postAuthor: Acdcmonkey1991 » Thu Jun 21, 2007 7:03 am

It doesn't shatter the board, it shatters the paint, thats what I meant, i need to fix that in the post.
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Unread postAuthor: lukemc » Thu Jun 21, 2007 7:32 am

for your chamber i would suggest you hack the whole thing off (except for about an inch of pipe from the valve) and size the pipe up. like get a bushing and go for a 2" pipe and that would increase your performance by sooo much

if my calculatins are correct right now you have about 3.0925 cubic inches of chamber space but if you upgrade to 2" pipe you would get 21.991 ci and even if you got to 1.5" pipe you will still have 12.37 CI wich would still be a huge improvement
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Unread postAuthor: Acdcmonkey1991 » Thu Jun 21, 2007 1:41 pm

Oh thank god for pipe threads!!! Luke I think I'm going to go with your idea. An added bonus is that my chamber screws off really easily... I'm goin to post the redesign of this soon...
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VH was awesome!!
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Unread postAuthor: lukemc » Thu Jun 21, 2007 9:50 pm

im sure you will be impressed with the results
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Unread postAuthor: spud yeti » Fri Jun 22, 2007 7:36 am

I like it lot, it looks really cool too. Is the trigger awkward to pull? i want to know because one design I have is similar with the trigger setup, but I dont want to build it if its awkward, know what I mean?!
(the photos are BAD on my PC!)
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Unread postAuthor: Acdcmonkey1991 » Fri Jun 22, 2007 8:44 am

The trigger setup is awkward because the steel niple I got to join the ball valve and the elbow is too long, all I need is a 3'' in one and it'll be perfect, and un-awkward.

EDIT 10:33 AM

OMG!!! I just installed a new paintball barrel from my paintball gun and it was loaded with a paintball. When I was in my kitchen pumping it up (preparing to take it outside) the valve setup shot off and opened the sprinkler. Thats right you guessed it the paintball shot out and hit my cieling. It splatterd everywhere and all this right when my mom got home.
Now she is super pissed and I have to re-paint my ceiling. Am i a dumbass or what??
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VH was awesome!!
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Unread postAuthor: spud yeti » Fri Jun 22, 2007 10:35 am

Hahahahahaha, that sucks! Isnt paintball just coloured vegetable oil, so it should wash out?? Take a photo and put it on (A "damage pic" :D )!
Sounds like a plan with the steel nipple, so give me an update when you do it please!
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Unread postAuthor: Acdcmonkey1991 » Fri Jun 22, 2007 11:00 am

Sorry, my mom made me stand on a chair and clean it right away, so theres no damage pics to be showed :cry: lol
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VH was awesome!!
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Unread postAuthor: spud yeti » Fri Jun 22, 2007 11:51 am

haha, ok then. I think my mom would do the same though!
Haha, do it again for a photo...................Jokes! 8)
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