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Dual FireExtinguisher Paintball Rifle(Video/Update 21/06/07)

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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Unread postAuthor: simo » Sun Jun 17, 2007 3:28 am

looks good what psi do you pump it to, the gun looks really interesting, do thos airchambers leak any bit of air
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Unread postAuthor: MrCrowley » Sun Jun 17, 2007 3:50 am

Most i've gone to is my air compressor limit of 115psi.
No leaks. The fire extinguishers are welded to galv fittings which are threaded very tightly. I made a breech loading 3/8" copper barrel for it today, im going to shoot some sabotted(sp?) .303" projectiles.
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Unread postAuthor: SpoonZ » Mon Jun 18, 2007 3:26 am

I see you aussie. Where do you get your sprinkler valve from? Or what make/model is it?

Haha. Nevermind. Mix up.

Other then that. Nice gun.
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Last edited by SpoonZ on Mon Jun 18, 2007 3:29 am, edited 1 time in total.

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Unread postAuthor: MrCrowley » Mon Jun 18, 2007 3:29 am

Im a f*cking Kiwi :P lol
Where did you ge tthe impression I was Aussie?

I bought it off http://www.trademe.co.nz
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Unread postAuthor: SpoonZ » Mon Jun 18, 2007 3:30 am

Haha yeah just realised. I assume to quickly before actually searching.

Sorry. hah.
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Unread postAuthor: MrCrowley » Tue Jun 19, 2007 5:30 am

Another update after a day of shooting in the garage. 4 New videos and a few new damage pics.
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Unread postAuthor: gjohng » Wed Jun 20, 2007 5:27 pm

Very nice, i have a few Questions

how did you connect the fire extinguishers? what fittings did you use?

thanks!
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Unread postAuthor: MrCrowley » Wed Jun 20, 2007 11:02 pm

I had to get them welded. Though there is a way to mod a kitchen tap so you can conect a fire extinguisher to 1/4" threads that I came up with.
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Unread postAuthor: jackssmirkingrevenge » Thu Jun 21, 2007 3:51 am

I once mocked this movie poster for showing the whole round (cartridge+bullet) travelling as a projectile:

Image

seems like you proved that yes, it *can* be done :D
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Unread postAuthor: MrCrowley » Thu Jun 21, 2007 3:57 am

Ha yeah, we've got that poster in my history class, I always tell people but they don't believe me that bullets arn't fired with the cartridge.
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Unread postAuthor: wannabie » Thu Jun 21, 2007 5:21 am

LOL thicko's

A good movie that.
Nice gun :)
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Unread postAuthor: Billy Bob » Sat Jun 23, 2007 7:39 am

Im a f*cking Kiwi lol


Thats New Zealand right ?

I would have a improvement. I would make a second ball valve between the two Fe´s. Than you could shoot two single weaker shots if doesnt need so much power.

But Nice gun absolute ! 8)
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Unread postAuthor: MrCrowley » Sat Jun 23, 2007 4:20 pm

Yeah.

I wouldn't do that unless I had a hopper that was gravity fed so all the PB's get sucked out on one shot. It was never really meant to be a portable gun and by the time you shoot and load another PB you might as well charge the air compressor back up to 115psi. I usually keep it hooked up to the air compressor and when the compresser gets below 90psi it charges up again. I also got rid of the 'safety' ball valve.
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