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My Brothers Pneumatic

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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My Brothers Pneumatic

Unread postAuthor: LucyInTheSky » Wed Aug 16, 2006 11:05 am

I made my brother this gun so he could spud with me, and I was board. It is simple with a 80cm x 2.2cm chamber, and a 70cm x 1.5cm barrel. This is quite powerful for a ball valve gun as the ball valve, having been used on my QEV gun, has been used alot and is quick to open. I had all the parts already and only had to solder 2 joints and compress 5, as the chamber is my old barrel so it already had and olive on, so it took about 30mins to make. The wooden support is held with contact adheasive.
I personally would be comfortable with taking this gun to 25BAR, as the ball valve is rated to 50BAR, and I trust my soldering skills and am confident about that schrader. This is a blury image of my soldering.

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Unread postAuthor: mark.f » Wed Aug 16, 2006 5:05 pm

Why didn't you give your brother a QEV gun? Didn't want him to shoot better than you? :wink:

Believe it or not, I salute all you UK spudders. Not all of you, (some of you are just whiny, of which I shall not mention), but your cannons are always neat. They kind of make me want to make something copper and fast... 8) Q.E.V.'s aren't expensive at all, if you know where to look...

Once again, nice gun.
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Unread postAuthor: rna_duelers » Thu Aug 17, 2006 12:51 am

Well were do you look for cheap ones?And nice cannon but where would u get an air source upto 25bar??
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Unread postAuthor: MrCrowley » Thu Aug 17, 2006 1:02 am

50BAR!!!! jesus christ how much did that cost ya for the valve, most BAR ive seen a ball valve rated up to is 25, 50BAR is like 725psi
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Unread postAuthor: LucyInTheSky » Thu Aug 17, 2006 10:52 am

The valve was £2.50 from http://www.airlines-pneumatics.com/webc ... =S07010020

EDIT: sorry to all, the valve is rated to 30BAR
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Unread postAuthor: killagorrila99 » Sun Aug 20, 2006 4:07 am

i was gonna say.


oh and rna_deulers u can get cheap $15 dollar copressors from big W in the car and products section and they go up to 300 psi!
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Unread postAuthor: rna_duelers » Sun Aug 20, 2006 5:44 am

Well dam!I got to get me one of those,but how long does the compressor last?All i have to do is finish my copper gun then wooohaaa!20 bar shots!
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Unread postAuthor: LucyInTheSky » Sun Aug 20, 2006 5:56 am

The compressors that hook up to 12v car are crap, they go up to real high pressures but take AGES to fill anything.
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Unread postAuthor: killagorrila99 » Wed Aug 30, 2006 1:08 am

meh doesent matter if it takes ages it still shoots well
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Unread postAuthor: Benny » Wed Aug 30, 2006 3:04 am

For smallish chambers they are great.
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Unread postAuthor: PneuJose » Sat Jan 20, 2007 6:36 pm

yeaaa, i have a 2inch diameter and 5inch long chamber and fills to 110psi realy fast. my gun has supah valve so its STRONG!!!! :twisted: :twisted: :twisted:
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Unread postAuthor: Bluetooth » Sat Jan 20, 2007 6:53 pm

Thanks for showing off in SOMEONE ELSES thread.
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Unread postAuthor: PneuJose » Sat Jan 20, 2007 6:56 pm

so what, either way i dont care u like it or not.

Edit:(were going off topic) NIce gun
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Unread postAuthor: MrCrowley » Sat Jan 20, 2007 7:20 pm

No one cares about your gun if you brag in someone elses thread.
Post your gun(in your own thread) then we might care.
Why do you have a supah valve on a 2" chamber 5" long?
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Unread postAuthor: joannaardway » Mon Jan 22, 2007 7:55 am

Because he can.
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