High pressure problem

Cannons powered by pneumatic pressure (compressed gas) using a valve or other release.
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PotatoEnemy17
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Just about everyone seems to have some way of achieving more than 100 psi of compressed air. EXCEPT ME! So how do you all get high pressures? (anything above 100 psi)
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DYI
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Refrigerator or air conditioning compressors and bottled gases (from industrial gas suppliers, SCUBA shops, or paintball shops, usually) are two of the most common methods. Others include homemade single or multi-stage pumps, pressure multipliers, and boiling of liquefied (or solidified) gases inside a pressure chamber.
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velocity3x
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K size nitrogen gas cylinders......quick, easy and cheap.
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PotatoEnemy17
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OK, thanks! :P
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mattyzip77
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A decent air compressor. Mine was 100 dollars at home depot and gets me to 160 psi. Do some research on fridggys as well.
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PVC Arsenal 17
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Shock pumps. Specifically the one pictured. (Assuming you're working with small stuff)
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AircannonSweden
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How much preassure can a shock pump go up to?
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jackssmirkingrevenge
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AircannonSweden wrote:How much preassure can a shock pump go up to?
The pump doesn't go. You take it ;)

Typically 300-400 psi, but you can go further: http://www.cannondaleexperts.com/Cannon ... p_219.html
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AircannonSweden
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jackssmirkingrevenge wrote:
AircannonSweden wrote:How much preassure can a shock pump go up to?
The pump doesn't go. You take it ;)

Typically 300-400 psi, but you can go further: http://www.cannondaleexperts.com/Cannon ... p_219.html
Hehe okey :)
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PotatoEnemy17
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Good, I'll consider a shock pump, But if I can get my hands on a refrigerator compressor I'll probably use that.
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Brian the brain
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You could make your own high pressure pump.
I made one that reached 80 bar. nearly killed me...
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Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

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PotatoEnemy17
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Brian the brain wrote:You could make your own high pressure pump.
I made one that reached 80 bar. nearly killed me...
What did you make it out of? How did it nearly kill you? Was it cheap?
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Zeus
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PotatoEnemy17 wrote:
Brian the brain wrote:You could make your own high pressure pump.
I made one that reached 80 bar. nearly killed me...
What did you make it out of? How did it nearly kill you? Was it cheap?
The check valve went, and the handle broke. So make sure the check valve is good, and use a steel handle. I'm sure BtB has some good advice.
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PotatoEnemy17
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The check valve went, and the handle broke. So make sure the check valve is good, and use a steel handle. I'm sure BtB has some good advice.

Thanks! Also I know this is off topic but what is that "Clearly not a troll" thing? I don't get it.[/quote]
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