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Vogt Pattern

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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Vogt Pattern

Unread postAuthor: Hubb » Mon Aug 18, 2008 7:37 am

Is there any more information about the Vogt Pattern? The only data or launchers I've been able to find is the one made by DR in the archives.
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Unread postAuthor: brogdenlaxmiddie » Mon Aug 18, 2008 7:53 am

What do you mean by Vogt Pattern?
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Unread postAuthor: Hubb » Mon Aug 18, 2008 7:59 am

brogdenlaxmiddie wrote:What do you mean by Vogt Pattern?


http://www.spudfiles.com/spudtech_archive/viewtopic.php?t=11164
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Unread postAuthor: Sticky_Tape » Mon Aug 18, 2008 8:01 am

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You can tell how awesome a cannon is by the pressure used.
http://www.spudfiles.com/forums/high-pr ... 12803.html
xnt rnm ne z ahtbg
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Unread postAuthor: brogdenlaxmiddie » Mon Aug 18, 2008 8:07 am

I see........
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Unread postAuthor: Hubb » Mon Aug 18, 2008 8:08 am

More specific:

In DR's Spudfile post, he suggests a chamber that is at least 4 times the volume of the barrel/mag. I was wondering about using high pressure (500psi or so)with a smaller chamber.

Has anyone besides DR ever built one?
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Unread postAuthor: SpudFarm » Mon Aug 18, 2008 8:15 am

no it won't it has the same amount of air in it as a small chamber with less pressure but it drains the air to fast at 500psi.
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Unread postAuthor: Hubb » Mon Aug 18, 2008 8:26 am

SpudFarm wrote:no it won't it has the same amount of air in it as a small chamber with less pressure but it drains the air to fast at 500psi.


I thought so. Just wanted to make sure.
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Unread postAuthor: starman » Mon Aug 18, 2008 10:16 am

In other discussions regarding the vogt design, it was thought that a good consistantly running vogt gun would need an industrial sized air compressor running full bore similar to what's needed to drive a jack hammer.

That means air, air and more air, and lots of it. Higher pressure/low quantity not as effective.
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Unread postAuthor: psycix » Mon Aug 18, 2008 3:52 pm

Almost all repeating cannons have a real thirst for air pressure.
The vogt pattern, as far as I can see, is basically hiding extra projectiles in some dead space, and empties the chamber in pulses.
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Unread postAuthor: starman » Mon Aug 18, 2008 4:12 pm

A little OT here... Going for the Chuck Norris look there Hubb... :wink:
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Unread postAuthor: Hubb » Mon Aug 18, 2008 5:12 pm

starman wrote:A little OT here... Going for the Chuck Norris look there Hubb... :wink:


I couldn't resist after watching the Ranger :D
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