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By request of Mitch, i am actually posting something.

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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By request of Mitch, i am actually posting something.

Unread postAuthor: Necrosis » Sat Feb 07, 2009 8:10 am

The design and actual work done on my hammer valve pnaumatic.

Comments are appreciated, it will run off of 200 ish bar by the way, so hooraay for me, if I survive filling it up.
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Attachments
IMAGE_003.jpg
The back of the hammer valve
design.JPG
The design of the hammer valve
design.JPG (24.85 KiB) Viewed 381 times
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Unread postAuthor: inonickname » Sat Feb 07, 2009 8:16 am

Sweet. Never seen much of your work but that is awesome. Wish I had tools like what you have while working on my blowback.. (lathe..)
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Unread postAuthor: Brian the brain » Sat Feb 07, 2009 9:42 am

Looks great, can´t wait to see the endproduct!!
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Unread postAuthor: jrrdw » Sat Feb 07, 2009 9:50 am

OK, I'll bite. Why doesn't "Mitch" post for himself?

Is the cannon you have this on currently, done?
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Unread postAuthor: Ragnarok » Sat Feb 07, 2009 12:14 pm

jrrdw wrote:OK, I'll bite. Why doesn't "Mitch" post for himself?

I'll guess... Mitch asked Necrosis about Necrosis' project, and Necrosis posted the information that Mitch was asking for.
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Does that thing kinda look like a big cat to you?
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Unread postAuthor: Gippeto » Sat Feb 07, 2009 1:25 pm

Looking very good! :) Nice job on the threads too.

Why did you decide to place the spring externally?(Or is that not a spring retainer on the valve stem?)
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Unread postAuthor: SEAKING9006 » Sat Feb 07, 2009 1:29 pm

Very nice, I have always liked custom hammer valves. I have a design floating around my file drawer with a design for a 'reversed' hammer valve that is part of the bolt, rather than the breech.
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Unread postAuthor: psycix » Sun Feb 08, 2009 7:48 am

Nice. Will this be used to pilot a gun?
Could do semi-auto if you used a modded QEV.
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Unread postAuthor: Necrosis » Mon Feb 09, 2009 4:57 am

Gippeto wrote:Looking very good! :) Nice job on the threads too.

Why did you decide to place the spring externally?(Or is that not a spring retainer on the valve stem?)


It is a spring retainer, it will be adjustable using a threaded connection, so it also kind of acts as a regulator ish device.

This is just a test piece, stainless steel comming up today or tommorow. : )




psycix wrote:Nice. Will this be used to pilot a gun?
Could do semi-auto if you used a modded QEV.


Yes it'd be used to pilot a pilot gun for my railgun. *confuzzlewuzzle*
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Unread postAuthor: Sticky_Tape » Mon Feb 09, 2009 6:42 am

I thought you were going to make a gun like the condor but oh no that wouldn't have high enough volocities for you!
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