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pump question.

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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pump question.

Unread postAuthor: spud-tom » Thu Sep 06, 2007 8:32 pm

What kind of pump can i get that gets me up to over 100 psi? Is there any? I know i can do it via compressor and co2 but how obout portable? 120-150 doesn't count.
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Unread postAuthor: jon_89 » Thu Sep 06, 2007 8:40 pm

i would get a shock pump.
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Unread postAuthor: spud-tom » Thu Sep 06, 2007 8:49 pm

whats a shock pump
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Unread postAuthor: jon_89 » Thu Sep 06, 2007 8:52 pm

it is a pump to compress like mountain bike shocks. you can get them at a bicycle store. i got mine for $25 and have used it to 250 psi.
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Unread postAuthor: thespeedycicada » Thu Sep 06, 2007 8:52 pm

spud-tom wrote:whats a shock pump
google it.Its just a high pressure bike pump basically but with a few differences like i said google it.
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Unread postAuthor: MrCrowley » Thu Sep 06, 2007 8:55 pm

www.google.com

That will tell you exactly what a shockpump is.
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Unread postAuthor: spud-tom » Thu Sep 06, 2007 9:03 pm

why do some say they are going to go 300 psi and they cost 30-40$ and some say they go to 400 and cost $20
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Unread postAuthor: Mr.Russ » Thu Sep 06, 2007 9:09 pm

dont buy one, make one :D
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Unread postAuthor: mopherman » Thu Sep 06, 2007 9:10 pm

Mr.Russ wrote:dont buy one, make one :D

ah, the sign of a true spudder :D be carefull though. btb got hurt using one
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Unread postAuthor: spud-tom » Thu Sep 06, 2007 9:13 pm

using a homemade or a bought?
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Unread postAuthor: MrCrowley » Thu Sep 06, 2007 9:22 pm

Homemade.

www.google.com

Use it.
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Unread postAuthor: spud-tom » Thu Sep 06, 2007 9:28 pm

can anyone give me a link or something on how to make a homemade shock pump?
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Unread postAuthor: MrCrowley » Thu Sep 06, 2007 9:29 pm

No.

But you can search for one, there's at least two, one is more recent, by spudblaster15, the other one is older, by BrianTheBrain.
Have fun searching.
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Unread postAuthor: chartreusesnot » Sat Sep 08, 2007 12:45 am

I guess if you use 2 check valves, and you make it so the main barrel of the pump is much larger than the actual input, so the input to the transfer tube is like smaller than a penny, you might be able to get the pressure pretty high without much effort. How would you make it air tight to such pressures tho? a buttload of o-rings? a union piece of pvc?
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Unread postAuthor: Mr.Russ » Sat Sep 08, 2007 6:54 am

what happened to btb?
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