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First HP Sitrup pump

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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First HP Sitrup pump

Unread postAuthor: elitesniper » Tue Jan 19, 2010 11:39 pm

Finally got around to making a pump
Machined the piston head and shaft stablizer from nylon
check valve is a marble sealing a against a washer/rubber washer and a spring
tube is 3/4 copper m
sand made from wood painted silver
handle 1'' copper
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Unread postAuthor: jackssmirkingrevenge » Wed Jan 20, 2010 1:23 am

Nicely made, you failed to mention what pressures you're getting though ;)
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Unread postAuthor: psycix » Wed Jan 20, 2010 7:29 am

Nice indeed. Does it work properly, does everything seal?
Beware of the checkvalve, if it leaks your pump will become a ram.

Now go exercise! :D
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Unread postAuthor: Gippeto » Wed Jan 20, 2010 10:34 am

jackssmirkingrevenge wrote:Nicely made, you failed to mention what pressures you're getting though ;)


X2...inquiring minds you know. :)
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Unread postAuthor: far_cry » Wed Jan 20, 2010 6:12 pm

Gippeto wrote:
jackssmirkingrevenge wrote:Nicely made, you failed to mention what pressures you're getting though ;)


X2...inquiring minds you know. :)


X3
me to

but you have a big dead volume between the O ring and the check valve so you will get to the point you compress the air in the cylinder and cant pass he cant pass the check valve

see mine
http://www.spudfiles.com/forums/my-second-shock-pump-full-diatelas-t18650.html



and very nice job
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Last edited by far_cry on Wed Jan 20, 2010 6:16 pm, edited 1 time in total.
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Unread postAuthor: clemsonguy1125 » Wed Jan 20, 2010 6:16 pm

Nice job, what size washers did you use.
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Unread postAuthor: elitesniper » Thu Jan 21, 2010 12:13 am

Ive gotten it up to 400 psi for now :) washers idk just foudn em hehe
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