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Homemade 3-way

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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Homemade 3-way

Unread postAuthor: wyz2285 » Wed Feb 08, 2012 12:22 pm

Hi everybody, I bought a drill press last weekend so I decided to try this out.
But I don´t need any piston right now and I got a lot of nylon block from a friend, so I thought I would try to make my own 3 way 2 position valve :P
Can´t belive I actually did it :o , I almost got this thing finished only missing one more piston and a cap.
Here are some pictures, not going to use more than 10 bar so I´m pretty sure it won´t explode :D
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Attachments
IMG077.jpg
making the piston
IMG078.jpg
one of the piston is finished
IMG081.jpg
note that still missing a piston
IMG080.jpg
input port, will epoxy a 1/8 thread on it
IMG079.jpg
output
CpTn_lAw wrote::D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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Unread postAuthor: warhead052 » Wed Feb 08, 2012 1:20 pm

Nice, what did you use to cut the piston?
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Unread postAuthor: wyz2285 » Wed Feb 08, 2012 2:51 pm

warhead052, everything you need to know is in the tutorial.
Finished! I´m so proud of myself :P this is the second time I use the drill press and I think I did great 8) (the first time I turned some aluminium/nylon to choose witch tools I should use as the blade and see witch speed I should use).
The valve leaks a little when changing the flow, but very little as I can press the stem fast.
specifications:
valve body: nylon
type: 3 way 2 position
working pressure: 10bar
size: 5.5x3x1.5 cm
orifice: 6mm ID
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Attachments
IMG083.jpg
I only used 2 o-ring seal, so there is a small leak when changing the air flow
IMG085.jpg
CpTn_lAw wrote::D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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Unread postAuthor: evanmcorleytv » Wed Feb 08, 2012 4:52 pm

Looking good!! Can't wait to see the final product!!
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Unread postAuthor: wyz2285 » Wed Feb 08, 2012 5:02 pm

It's already finished :roll:
And it works great, now I only have to decide the size of thread I should use.
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CpTn_lAw wrote::D "yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? " :D
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Unread postAuthor: evanmcorleytv » Wed Feb 08, 2012 5:33 pm

Sorry, didn't see all of it!! Haha
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Unread postAuthor: Gun Freak » Wed Feb 08, 2012 6:07 pm

Very nice work, if you can get a nice chunk of aluminum I'm sure it could take a few hundred psi. I thought about making one of these if I could get a suitable body material.
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Unread postAuthor: Lazyboy » Wed Feb 08, 2012 6:13 pm

Nice work :)
I am trying to make a custom valve on my newly acquired Lathe/ mill and learn how to use it.
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Unread postAuthor: POLAND_SPUD » Wed Feb 08, 2012 6:30 pm

Image
:shock:
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Unread postAuthor: Zeus » Wed Feb 08, 2012 7:11 pm

Image


So, will we see a tutorial?
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/sarcasm, /hyperbole
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Unread postAuthor: warhead052 » Wed Feb 08, 2012 10:31 pm

HA, I completely forgot about poland's obsession with 3way's (that might have a double meaning, who knows).
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