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total newb, will this work? UPDATED A BIT

This area is for the discussion of BB or airsoft sub machine guns, and or other small arms such as pellets.
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total newb, will this work? UPDATED A BIT

Unread postAuthor: shiv » Sat Sep 13, 2014 7:30 pm

Hi! I am interested in building a simple single shot gun. I was wondering if this would work (doesn't have to be very high power, just, ya know, shoot bbs pretty fast) ? Id like the bike pump to give a 1 pump: 1 shot ratio. Is this feasible/what pump should i use? What type of valve is best? I really quite new to this, so thanks for the help/links to references and examples
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Last edited by shiv on Sun Sep 14, 2014 10:17 pm, edited 1 time in total.

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Re: total newb, will this work? + need help

Unread postAuthor: jrrdw » Sun Sep 14, 2014 6:53 am

Looks like a solid design and if all tolorances are tight, using a small chamber you can get a shot per pump. Study "hammer valves" , "spring loaded ball valves" would be good choices for your wants.
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Re: total newb, will this work? + need help

Unread postAuthor: shiv » Sun Sep 14, 2014 10:17 pm

UPDATED DESIGN: I whipped something up in Blender, kinda close to scale

meuses the same valve chanism as :

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basic design: blue is a 1/2 x 4 inch schedule 80 pvc pipe nipple (with endcaps), black is bike pump, attatched to pvc through schraeder valve
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meuses the same valve chanism as : https://www.youtube.com/watch?v=sQ0q6diiJ3U
Last edited by jrrdw on Mon Sep 29, 2014 4:35 pm, edited 1 time in total.
Reason: Fixed video.

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Re: total newb, will this work? UPDATED A BIT

Unread postAuthor: Juggernaut12121 » Fri Sep 26, 2014 5:29 am

I like the valve design. I've seen it done before with pretty good results as well. How are you planning on triggering it? It should be fairly simple although I'm curious.
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