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semi auto paintball rifle

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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semi auto paintball rifle

Unread postAuthor: THEMOST » Thu Oct 12, 2006 8:37 pm

This is my fully/ semi-automatic paintball rifle. I used 3" pvc for the chamber and 3/4" ABS for the barrel. Obviously it's an electric solenoid valve.

I can get 6 shots out of 80psi so I'll still need to built my other design to get better efficiencey after my chamber runs out. Other than that you can get 6 shots in a row.
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Attachments
gun.jpg
this is the gun
trigger.jpg
I put a momentary switch for the solenoid behind the trigger of the old airsoft pistol
trashcan.jpg
this may not seem like much, but rubbermade is HARD to puncture(120psi). I can shoot paintballs through metal doors(80psi) but rubbermade...
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Unread postAuthor: squeaks » Thu Oct 12, 2006 8:43 pm

First of all, I seriously doubt that you could fire a paintball through a metal door. Second, YOU PLAN TO FIRE THIS AT PEOPLE!!!! What is wrong with you! If it goes through metal, what would it do to something soft and fleshy!!!!
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Unread postAuthor: Extrusion » Thu Oct 12, 2006 9:14 pm

where does he say he wants to shoot it at people?...just because its a paint ball gun doesnt mean he will shoot it at people...atleast i hope not other wise this is a very nice gun i like it lol.
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Unread postAuthor: saladtossser » Thu Oct 12, 2006 9:14 pm

squeaks wrote:YOU PLAN TO FIRE THIS AT PEOPLE!!!!


did he say that?
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Unread postAuthor: sergeantspud2 » Thu Oct 12, 2006 10:33 pm

I think he implied it in his co2 regulator post.

But besides that bro theres a lot of tape on it why dont you replace tape with pipe clamps or whatever theyre called.
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:D Always rely on Murphy's Laws :D
4.If you have enough grease & a big enough hammer, you can put anything... anywhere
3.If all else fails, hit it with a big hammer
2.Matter will be damaged in direct proportion to its value
1.If anything simply cannot go wrong, it will anyway
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Unread postAuthor: Extrusion » Thu Oct 12, 2006 10:41 pm

Hose clamps i think lol and i never saw where he said he would shoot people but please do not shoot anyone with this gun unless you can keep the painball at 300fps or lower thats what normal paintball guns shoot at lol.
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Unread postAuthor: sergeantspud2 » Thu Oct 12, 2006 10:43 pm

:lol: :lol: YEAH thats it!! Hose Clamps
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:D Always rely on Murphy's Laws :D
4.If you have enough grease & a big enough hammer, you can put anything... anywhere
3.If all else fails, hit it with a big hammer
2.Matter will be damaged in direct proportion to its value
1.If anything simply cannot go wrong, it will anyway
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Unread postAuthor: MrCrowley » Thu Oct 12, 2006 10:47 pm

yeah sounds like performance is nice but if you take of the tape and paint it make it more neat i would put this cannon in my favorites :D which few have managed
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Unread postAuthor: THEMOST » Fri Oct 13, 2006 11:49 am

I'm making a new cannon anyways so it'll look a little better. The only problem is that I need the tape the trigger which is not pvc to the gun.

On the new gun I'm putting on 4 reserve tanks and a main firing tank with a pressure of 70psi. The reserve tanks will hold 150psi.

So far it looks like a massive shotgun. It'll wind up looking like a rifle/shotgun mix. Kinda like the acid shotgun from the X360 game PREY.
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Unread postAuthor: mark.f » Fri Oct 13, 2006 6:23 pm

This may sound like the standard bullshit post, but...

When you make your next cannon, don't use DWV PVC. It's only made for drain loads.

Look for either NSF-PW, (meaning it's rated for potable water, which is 99.9% of the time at pressure), or an ASTM pressure rating on you fittings and pipe.

Other than that, nice gun! Like everybody else said, don't shoot it at people! Save that for the cheap mexican slingshots. :wink:
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Unread postAuthor: THEMOST » Sat Oct 14, 2006 12:46 pm

cheap mexican slingshots...lol

I used regular schedual 40 pvc for most of the gun. Only the barrel is made of ABS piping and I know that that stuff isnt meant for pressure. The piping is rated up to 260psi so I should be fine. But what do I know.
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