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QEV Drawing

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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QEV Drawing

Unread postAuthor: velocity3x » Tue Dec 07, 2010 10:35 pm

I though a sectional drawing of a commercially produced QEV existed in the SF but, I can't find it. Does anyone have such a drawing or know of a link to a sectional drawing? I think a QEV could be reproduced in billet with design tweaks to yield some off the chart performance with high pressure.

Thanks
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Unread postAuthor: Gaderelguitarist » Tue Dec 07, 2010 11:38 pm

Image

I know I've seen a different one around here. Perhaps JSR will grace you with his lightning links.
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Unread postAuthor: jackssmirkingrevenge » Tue Dec 07, 2010 11:42 pm

Gaderelguitarist wrote:Perhaps JSR will grace you with his lightning links.


He will with a "European" style QEV:

Image
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Unread postAuthor: Gaderelguitarist » Tue Dec 07, 2010 11:44 pm

Sometimes I think you just search for whenever "JSR" is typed in a thread...... :D
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Unread postAuthor: jackssmirkingrevenge » Tue Dec 07, 2010 11:51 pm

Gaderelguitarist wrote:Sometimes I think you just search for whenever "JSR" is typed in a thread...... :D


Actually I have a robot butler who informs me of the slightest mention of my internet persona, oh the joys of modern conveniences :)
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Unread postAuthor: dewey-1 » Wed Dec 08, 2010 12:02 am

Here is a link to JSR's posted drawing.

http://www.camozzi-usa.com/products/val ... nr_vso.pdf
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Unread postAuthor: Gaderelguitarist » Wed Dec 08, 2010 12:27 am

Actually I have a robot butler who informs me of the slightest mention of my internet persona, oh the joys of modern conveniences Smile


LOL. Now I imagine Robin Williams as bicentennial man making various Epoxy casting clocks in his basement.

Anyways..Velocity, any particular reasoning behind this? Generally a normal piston valve will give you good enough results.
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Unread postAuthor: velocity3x » Wed Dec 08, 2010 6:48 am

Gaderelguitarist wrote:Generally a normal piston valve will give you good enough results.


I agree. IMO, a properly designed and constructed piston valve delivers unparalleled performance. However, my interest in QEV design is for the purpose of creating a high pressure triggering device with "special" characteristics (E.g. 3+kpsi FOS).

Thanks to everyone for your help.
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