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1 inch QDV Drawings

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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1 inch QDV Drawings

Unread postAuthor: dewey-1 » Thu Oct 29, 2009 2:36 pm

I thought a separate thread was more appropriate than cluttering others.

Eventually this thread will contain a drawing for each component.

Right now it is a means to clarify and verify dimensions.
Hopefully Tech can help me finalize.

If any other replies, please do not include picture! It becomes to cluttered and repetitious.

Click to enlarge.
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Unread postAuthor: Technician1002 » Thu Oct 29, 2009 3:10 pm

Absolutely gorgeous. That is an awesome job. It looks like the dimensions are spot on.
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Unread postAuthor: jackssmirkingrevenge » Thu Oct 29, 2009 3:58 pm

Fantastic rendering! You just keep getting better at this, brilliant :)
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Unread postAuthor: dewey-1 » Thu Oct 29, 2009 4:41 pm

jackssmirkingrevenge wrote:Fantastic rendering! You just keep getting better at this, brilliant :)


Thansks JSR! Here is the mini-gun concept.
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Unread postAuthor: jackssmirkingrevenge » Thu Oct 29, 2009 10:58 pm

YES!

That's what I'm taking about! Any takers, Tech? Imagine ripple firing t-shirts into the crowd :D
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Unread postAuthor: Technician1002 » Fri Oct 30, 2009 12:01 am

jackssmirkingrevenge wrote:YES!

That's what I'm taking about! Any takers, Tech? Imagine ripple firing t-shirts into the crowd :D


I probably won't build it. Too many other projects on the drawing board. Finishing the 2.5 inch QDV is first, then the 1/2 inch copper QDV, then the springer piston and barrel for possible supersonic golfballs.
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Unread postAuthor: Just1ChanceFree » Tue Nov 10, 2009 11:37 pm

The QDV design I'm working on currently extends the chamber along the full length of the barrel. Not much of a modification, but it would make the total outer diameter about 1.5". You could potentially craft something that at least appears to function similar to the Australian metalstorm weapon system.
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Unread postAuthor: Technician1002 » Wed Nov 11, 2009 12:26 am

Just1ChanceFree wrote:The QDV design I'm working on currently extends the chamber along the full length of the barrel. Not much of a modification, but it would make the total outer diameter about 1.5". You could potentially craft something that at least appears to function similar to the Australian metalstorm weapon system.


My Mouse Musket had a chamber the full length of the barrel, but it was not a QDV. It was a traditional barrel sealer piston with the piston in the breech. A QDV can be made with the valve at the breech of the chamber. My ABS Cellular Core Test Cannon is of that configuration, but the chamber doesn't contain the entire length of the barrel. It's much easer to grip a 2 inch barrel in one hand than a 4 inch chamber.
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Unread postAuthor: c11man » Wed Nov 11, 2009 12:40 am

i myself have made on matching your description(unposted) . its a 2in chamber and 1inch barrel, bothe 48in long. it works like a dream! well it works good when i have a fresh bumper in it...
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