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how to get multiple shots

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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how to get multiple shots

Unread postAuthor: homo bernardus » Thu Jul 05, 2007 8:17 pm

hi guys sorry if this may be a bit obvious but how van i get multiple shots from a gun without pumping it up agen after every shot?

and how do you mod a sprinkler valve and which one shood i use?
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Unread postAuthor: potatoflinger » Thu Jul 05, 2007 8:21 pm

Use the search button, you'll find lots of information.
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Unread postAuthor: sandman » Thu Jul 05, 2007 8:22 pm

mr mod, please move

and if u search "GB Semi", you will find a gun that achieves this
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Unread postAuthor: Jumpin Jehosaphat » Thu Jul 05, 2007 8:22 pm

Semi Autos are hard to build, the best one ever constructed can be found here
http://www.spudfiles.com/forums/gb-semi-t7899.html
You should mod an Orbit WaterMaster, use one that looks like the one in the tutorial.
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Unread postAuthor: pvcmaster » Tue Jul 10, 2007 6:55 pm

I just finished a nerf/paintball gun which i can get 5-10 shots out of without refilling. Here is the design and concept:
http://www.spudfiles.com/forums/nerf-paintball-gun-design-t8876.html

And here is the finished gun:
http://www.spudfiles.com/forums/nerf-paintball-gun-completed-t9336.html

Basically it is a larger chamber seperated from a smaller chamber by a valve. Each time the valve is opened, the pressure equalizes. you then shut the valve and use the air in the smaller chamber, leaving more in the large chamber. This is an easy way to get multiple shots without a regulator setup. The only downside is that each shot is slighty weaker than the last.

Hope this helps.
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Unread postAuthor: paaiyan » Tue Jul 10, 2007 6:59 pm

pvcmaster wrote:I just finished a nerf/paintball gun which i can get 5-10 shots out of without refilling. Here is the design and concept:
http://www.spudfiles.com/forums/nerf-paintball-gun-design-t8876.html

And here is the finished gun:
http://www.spudfiles.com/forums/nerf-paintball-gun-completed-t9336.html

Basically it is a larger chamber seperated from a smaller chamber by a valve. Each time the valve is opened, the pressure equalizes. you then shut the valve and use the air in the smaller chamber, leaving more in the large chamber. This is an easy way to get multiple shots without a regulator setup. The only downside is that each shot is slighty weaker than the last.

Hope this helps.


You could always have a regulator hooked up to the larger chamber and have a compressor constantly pumping pressure into it, that way when the pressure equalized, it would be about the same every time. But if you don't want a regulator, you could just do without.
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