First HP Sitrup pump

Show us your pneumatic spud gun! Discuss pneumatic (compressed gas) powered potato guns and related accessories. Valve types, actuation, pipe, materials, fittings, compressors, safety, gas choices, and more.
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elitesniper
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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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jackssmirkingrevenge
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Wed Jan 20, 2010 1:23 am

Nicely made, you failed to mention what pressures you're getting though ;)
hectmarr wrote:You have to make many weapons, because this field is long and short life
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psycix
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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
Till the day I'm dieing, I'll keep them spuddies flying, 'cause I can!

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Gippeto
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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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far_cry
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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-seco ... 18650.html



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

Nice job, what size washers did you use.
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elitesniper
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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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