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cool find

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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Unread postAuthor: Lockednloaded » Tue Jul 06, 2010 8:22 pm

I was just browsing some youtube spudgun when i found something totally awesome. it seems to be a full/semi automatic sprinkler valve paintball gun! he doesn't go into much detail besides the fact that he is using a BFB. I was thinking pop-off, but he says he can fire it semi automatically as well :?

Here's his uploads, tell me what you think
http://www.youtube.com/user/ukilliheal#p/u/27/PYJFysE81_k
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Unread postAuthor: Technician1002 » Tue Jul 06, 2010 8:29 pm

Broken youtube link. [youtube]http://www.youtube.com/watch?v=PYJFysE81_k[/youtube]

He does have a link in the video showing the blow forward bolt portion. Too bad it is not clickable. Here is the link in the video.
http://www.gizmology.net/pbm.htm
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Unread postAuthor: Hotwired » Tue Jul 06, 2010 8:30 pm

Well the bolt is a common blow forward bolt as used in some markers.

I'd say it was a pop-off valve too, doesn't say how easy it is to change between semi and auto.

So guess here is that to get semi you take off the pop-off valve and stick something along the lines of a blowgun there instead. Or as it looks like, a ball valve.
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Unread postAuthor: Lockednloaded » Tue Jul 06, 2010 9:03 pm

I knew it was a blowforward, I was just curious how he could switch between full and semi
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Unread postAuthor: jackssmirkingrevenge » Tue Jul 06, 2010 10:09 pm

Image

This was the diagram that inspired my own blow-forward efforts :)
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Unread postAuthor: Gun Freak » Wed Jul 07, 2010 11:44 am

Yeah I've seen that site before, pretty nice.
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