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Minigun

Built a BB Machine Gun? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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Minigun

Unread postAuthor: Molybdenum » Wed Aug 24, 2011 7:32 am

Killbucket inspired minigun.

It uses a simple motor and a vacuum cleaner belt to drive the barrel pack, which rotates around the inner barrel (the one that actually works). The motor is powered by a 9.6v Ni-Cd battery taped under the motor housing, and is activated by a simple push button switch placed so that the user can press it with his/her thumb.

Inside is a basic vortex block. BBs are fed into the chamber from the screw off cap.

Its tan 'cause that's the only color I had.

Image

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Unread postAuthor: nathanhd123 » Wed Aug 24, 2011 8:32 am

That is nice! How much did it cos you to make?
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Unread postAuthor: mattyzip77 » Wed Aug 24, 2011 9:36 am

Dude that thing is awesome. How long did it take you t make?? good work, keep em comin! :)
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Unread postAuthor: jackssmirkingrevenge » Wed Aug 24, 2011 10:24 am

Nicely finished, shame the rotating barrels are only cosmetic.

One suggestion, why not use a small solenoid valve instead of a blowgun for the air feed? On the same circuit and switch of the barrel motor, you'd only have one trigger to pull ;)
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Unread postAuthor: warhead052 » Wed Aug 24, 2011 1:10 pm

Wow, thats nice! Shame its tan though, it could do with a flat black paintjob and some gray "battle scars".
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Unread postAuthor: Doctore » Wed Aug 24, 2011 1:35 pm

Nice minigun!!!
Any damage pics or video???
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Unread postAuthor: saefroch » Wed Aug 24, 2011 2:44 pm

It's sad you couldn't make use of all the barrels :(
I do however congratulate you on the aesthetics, but as JSR always says "pretty is as pretty does."
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Unread postAuthor: wyz2285 » Wed Aug 24, 2011 3:17 pm

It's sad you couldn't make use of all the barrels

shame the rotating barrels are only cosmetic.

It´s really hard to combine the barrel with the bbs firing out :roll:
nive job :thumbright:
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Unread postAuthor: POLAND_SPUD » Wed Aug 24, 2011 3:37 pm

Nicely finished, shame the rotating barrels are only cosmetic
it's a pneumatic not a firearm - there is absolutely no need for rotating barrels on a pneumatic
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Unread postAuthor: Molybdenum » Wed Aug 24, 2011 5:53 pm

It cost me about $5, as most of the parts are salvaged PVC.

Shot it a bunch recently and I found that, due to barrel being supported by the barrel pack, and the barrel pack not rotating perfectly, I get about a 12in grouping at 4 feet. It also shoots quite slow both in terms of velocity and rof.

I'm not to concerned, however, as I made it for a friend who needed a minigun prop.

Took me a few weekends in the shop. probably under 5 hours of work total.
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