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"Battle Rifle"

Post about things you have launched or thought about launching. Also post about various materials used for building cannons. No posts about explosive projectiles!
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"Battle Rifle"

Unread postAuthor: Solo » Wed Apr 04, 2007 1:00 pm

For those of you who play halo2, I've been trying to think of a simple loading mechanism that will burst-fire round ammunition (ie: bb's, marbles, golf balls... etc) similar to the operation of the Battle rifle. Specifically, I was thinking of using the Vogt pattern somehow.

I can't find it now to give proper credit, but I saw a golf-ball cannon on this site that fired 10 golfballs per discharge using a clip that was basically behind the barrel. (The barrel pipe had a loading hatch at the rear, and the air from the valve came up through a hole in the barrel, about a foot from the hatch. Thus the back of the barrel served as the magazine.)

Based on that, what would be a good way to dispense multiple round ammos from a hopper or mag into such a setup? I'd want to keep the mag sealed off during firing, but something like a ball valve would not be cooperative with rapid firing.
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Unread postAuthor: A-98 » Wed Apr 04, 2007 1:27 pm

i believe DR made that gun.

a hammer valve with some funky return setup might work. not really sure tho. i would draw something up for you, but im involved in drawing my possible competition cannon.
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Unread postAuthor: frankrede » Wed Apr 04, 2007 8:34 pm

How bout a pull open gate valve to block the magazine?
I really can't think of a better way atm.
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Unread postAuthor: Solo » Fri Apr 06, 2007 1:39 pm

Ok, so it was DR's gun after all:
http://www.spudfiles.com/forums/viewtopic.php?p=68435&

Dang, that thing is impressive. Hmm. Maybe I'll stick with a ball valve, doesn't look like gate valves come in that size.
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Unread postAuthor: frankrede » Fri Apr 06, 2007 2:37 pm

Gate valves come in most sizes, what size do you have in mind?
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Unread postAuthor: Solo » Fri Apr 06, 2007 7:49 pm

I was looking for 3/8" or smaller. I couldn't find them on mc-master carr, and I'm pretty sure the local hardware and the not-so-local hardware don't have such a thing. A ball valve would probably work at least as well for my purposes anyway. What would be really spiffy is if I could rig up something that would work automatically on the air pressure, but I don't know if that's feasible. Something like a checkvalve for air and bb's.
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