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Pneumatic maniac

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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Pneumatic maniac

Unread postAuthor: crazyfreak0075 » Tue Mar 13, 2007 1:09 pm

Barrel: 36" SCH 40 1" pipe
Chamber: 17" SCH 40 2" pipe
Fittings: ALL SCH 40
Valve: un-modded 1" orbit sprinkler (hopeing to mod just got to get off my butt and buy a blow gun
ACTION!!!: Pump - action





Yeah boy. This is my first pneumatic proud of the not to shabby primer job just a couple of places. Built it like 3 days ago. I have a bolt action thats made with a coupling fixer or something i forgot the name of it. Paint's coming, damage pics, and maybe a video.

GGDT said 250 FPS with 187 ft/lbs. with 100g projectile. What ever we'll see what it gets.

Oh yeah as i said im painting it, i still have to buy and install shrader valve (LOL), and im going to mod the sprinkler, maybe and o-ring to make that seal around the action better. So stay tuned.
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Attachments
IMG_04532.jpg
The gun.
IMG_0443.jpg
The valve.
IMG_0447.jpg
THE PUMP ACTION!!!!!!!
IMG_0444.jpg
Opened pump action.
IMG_0449.jpg
The main ammo.
IMG_0448.jpg
Inside of sliding coupling that is my heart and soul of the pump-action.
Last edited by crazyfreak0075 on Tue Mar 13, 2007 2:21 pm, edited 2 times in total.
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Unread postAuthor: imablackskater » Tue Mar 13, 2007 2:05 pm

nice first gun good job on the bolt action keep it up






... you did a better job priming than i could
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Unread postAuthor: MrCrowley » Tue Mar 13, 2007 2:11 pm

Thats actually a really nice clean bolt action there. But where's the bolt? :P


Nice gun anyway
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Unread postAuthor: crazyfreak0075 » Tue Mar 13, 2007 2:20 pm

Yeah i was talking with my freind and he said its more like a pump than a bolt but what ever ill call it a pump action. I fixed it.
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Unread postAuthor: VH_man » Tue Mar 13, 2007 2:41 pm

That IS a sweet cannon. nice breech, i might have to copy you on that..... do they sell fixer couplings for 1/2 CPVC?
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Unread postAuthor: crazyfreak0075 » Tue Mar 13, 2007 3:47 pm

I dont know about CPVC man, i was actually going to do a 1/2 one because they were .15 cents, but then i saw why they were .15 cents they were yellow and cracked. Ii saw ones from 1/2" up to 2" there for PVC.
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Unread postAuthor: VH_man » Tue Mar 13, 2007 7:35 pm

1/2 inch PVC will work i guess...... Swt. im making my friend an airsoft sniper and i dont want him to have to use a ramrod..........
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Unread postAuthor: crazyfreak0075 » Tue Mar 13, 2007 7:48 pm

Nice be sure to post it too!!!!
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Unread postAuthor: benstern » Tue Mar 13, 2007 7:51 pm

Tell us how to make that type of breech.
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Unread postAuthor: crazyfreak0075 » Tue Mar 13, 2007 8:03 pm

Basically you buy this repair coupling at the store and you'll know what to do when you see it , because it slides and you just cut and opening for your ammo. Mine had two o-rings one on the end of the screw cap, and two on the pison that slides.
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Unread postAuthor: pyromaniac » Tue Mar 13, 2007 8:07 pm

before this post i put that breach on a just unscrewed before i shot. I dont understand how you stop the ''pump'' for locking and sealing.

I think ill stick to unscrewing it.
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Unread postAuthor: LGM » Tue Mar 13, 2007 8:11 pm

Yeah, I think I have one of those couplings in my basement. I want to use one on a crabapple/AA battery gun.
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Unread postAuthor: crazyfreak0075 » Tue Mar 13, 2007 8:44 pm

Its smooth and nice pumping maybe i can clear things up with a picture.
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Unread postAuthor: pyromaniac » Wed Mar 14, 2007 4:49 pm

How does it lock though? mine doesnt lock it slides every shot. luckly i never sawed it.
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Unread postAuthor: Wash Burn » Thu Apr 05, 2007 8:40 pm

HAHAHAHAHAHAHHAHAHAH!!!!!!! are you insane??? Does it really shoot batteries? Dude this one is so nice and very clean too!!!!
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