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Pump Revolver

A place to ask general spud cannon related questions.
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Pump Revolver

Unread postAuthor: Atlantis » Sun Apr 02, 2006 12:36 am

I have found a way to update the standard revolver. The disk rotates to line up with the slide which pushes a shell into the slot. Each slot has a small spring in it. The disk rotates up to the barrel, and fires, the disk rotates the now empty shell towards the ejection port where the small springs pushes the shell out of the disk. There is a splate to keep it from ejecting early, (Hard to draw) with gaps for the barrel and ejection port. The pump rotates it like these designs.
http://www.cruffler.com/historic-january01.html
http://science.howstuffworks.com/shotgun7.htm
P.S. What drawing program do you use because I'm sick of JPEG on Paint.
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This is a simple bolt loader with a pump handle for round ammo.
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Unread postAuthor: boilingleadbath » Sun Apr 02, 2006 2:52 am

I do all my diagrams and other things in ms paint, and save diagrams and whatnot that require sharp lines as .pngs
.pngs have nice sharp lines and as many colors as you want. (at the cost of file size, unfortuantly... photos saved as .pngs typicaly end up a bit bulky.)

Occasionaly, I'll render an image with pov-ray. (available free at povray.org)
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Unread postAuthor: Atlantis » Sun Apr 02, 2006 5:11 pm

Thank you, now does anybody have anything to say about my idea? Rigt now I'm working on a pump-action like a traditional shotgun, tubular magazine.
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Unread postAuthor: boilingleadbath » Sun Apr 02, 2006 7:37 pm

Revolver:
I see no reason to have more than 3 starage spaces in the revolving drum.
I think you'll have trouble sealing the cartrige/barrel and cartrige/chamber junction. You might be able to use face O-rings (like in a union) on the chamber and barrel, and latch it down by moving the barrel with a cam or something.

"shotgun"
I think you'll have ammo "flow" problems within the magazien at the bend.
Making the turn more gentle would be an option, although then you have a few shots you can't expell from the magazein. More practical might be simply releasing the spring pressure for a moment during the pump cycle.
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Unread postAuthor: Atlantis » Sun Apr 02, 2006 7:59 pm

Don't forget that it will have an elbow which is curved, it's only squared in the drawing. I basically took the revolver and gave it an automatic reloader. Infinite revolver.
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