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Higher psi's

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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Higher psi's

Unread postAuthor: jsefcik » Sat Jul 16, 2011 9:03 pm

For people with air powered cannons, how are you able to get 300 psi or and higher into your guns?
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Unread postAuthor: Gun Freak » Sat Jul 16, 2011 9:06 pm

Fridge compressor, shock pump, homemade pump, depends a lot on chamber size.
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Unread postAuthor: mattyzip77 » Sat Jul 16, 2011 9:17 pm

Im just a noob, but I got a shock pump. You can get them at amazon for like 20 bucks!! If you get one, do your research and make sure your cannon can handle da pressure!!!!!!!!!!!! :roll: 8) :) :o
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Last edited by mattyzip77 on Sat Jul 16, 2011 9:20 pm, edited 1 time in total.
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Unread postAuthor: jsefcik » Sat Jul 16, 2011 9:17 pm

GUn Freak, I saw a little metal gun on here, I'm guessing 3 foot chamber and was 3/4 inch pipe and the dude was able to put in 300 psi. Which is crazy but cool, Im going to build a metal gun once i find out how to get 300 psi.
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Unread postAuthor: Doctore » Sat Jul 16, 2011 9:20 pm

GUn Freak, I saw a little metal gun on here, I'm guessing 3 foot chamber and was 3/4 inch pipe and the dude was able to put in 300 psi. Which is crazy but cool, Im going to build a metal gun once i find out how to get 300 psi.


Just like gun freak said,fridge compressor or homemade pump which can stand more than 30 bar
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Unread postAuthor: jsefcik » Sat Jul 16, 2011 9:23 pm

@ Matty zip, the shock pump looks like a normal bike pump is that what it is?
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Unread postAuthor: Doctore » Sat Jul 16, 2011 9:25 pm

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Unread postAuthor: jsefcik » Sat Jul 16, 2011 9:27 pm

Sorry about the questions but does the shock pump just connect to my tire valve and start pumping?
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Unread postAuthor: mattyzip77 » Sat Jul 16, 2011 9:28 pm

yes, it is really used to pump up shocks on a mountain bike. In our case, a pneumatic cannon! This is probably your easiest and cheapest way out, unless you got a spare fridge kickin around you can rip the compressor out of like gun freak suggested! Good luck, and be cautious when or if you get one of these. and oh yea you'll be pumpin for a few good minutes, depending on chamber size!!!! ANd yes, hook to valve and pump pump pump!!
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Unread postAuthor: Doctore » Sat Jul 16, 2011 9:31 pm

yes,just connect it to schrader valve
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Last edited by Doctore on Sat Jul 16, 2011 9:33 pm, edited 1 time in total.
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Unread postAuthor: jsefcik » Sat Jul 16, 2011 9:32 pm

Doctore, thanks, Works best in small chambers?
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Unread postAuthor: Doctore » Sat Jul 16, 2011 9:35 pm

well it has small volume,so it will take some time to refill big chamber to big pressure
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Unread postAuthor: jsefcik » Sat Jul 16, 2011 9:43 pm

I have just a basic tire pump, Im guessing, I'll just use that =)
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Unread postAuthor: Mr.Tallahassee » Sat Jul 16, 2011 9:51 pm

For a some small amount of money you can build a high pressure hand pump similar to a shock pump with two o-rings, four washers, copper pipe, a check valve, and some fittings. I can send a design if necessary. :wink:
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Unread postAuthor: jsefcik » Sat Jul 16, 2011 10:28 pm

Mr Tallahassee: Please send them !!! But how do i connect it to my gun? Doesn't seem like any of the parts with connect to a tire valve?

Hopefully I can follow directions
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