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Plans: Semi-Auto Airsoft

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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Plans: Semi-Auto Airsoft

Unread postAuthor: littlebro05 » Sat Aug 23, 2008 5:16 am

Hey Guys,

I was thinking of a way to make a semi-automatic which was simple. I've come up with something like my diagram below. Although I do have one problem. When you pull the trigger and hold onto it air will flow out of the barrel uncontrollable unless I let go of trigger. Any idea to where I can fix this with simple addition of materials?

Image

The idea i took this from was Clide's Semi-Auto GB Gun. But in BB form which should be fairly air efficient, though i doubt the efficiency would be great.
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It's Nerf or Nothing.

Don't start crying when I play this as my hobby, Paintball, Airsoft and Nerf are equally good hobbies, except you can play Nerf in public. Good day! Hmph!
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Unread postAuthor: microman171 » Sat Aug 23, 2008 7:25 am

Try a hammer valve. That should provide you with the quick bursts you are after (although you would need to recock the spring each time...)
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Unread postAuthor: trollhameran » Sat Aug 23, 2008 12:33 pm

Look a lot similar to the design I posted in knappengineerings thread the other day, take a look at it, and see what you think, it has two pistons which would solve your problem of losing to much air if you hold the trigger down.

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