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Portable Semi Auto Airsoft Gun

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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Portable Semi Auto Airsoft Gun

Unread postAuthor: noname » Thu Nov 02, 2006 8:06 pm

I've begin construction on this already, the firing mechanism is almost done, just need some brass tubing for the barrel and the bolt. The main trigger will be a regular old blowgun connected to a 2" tank at 100 psi with restrictor tubing in between. I think most of you will be able to tell how this works from the diagram. If you can't, I'll elaborate. It may also be full auto if the spring+air is enough to push the bolt back while air is being let it.
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Unread postAuthor: kyle1292 » Mon Nov 06, 2006 7:10 pm

sweet :twisted:
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Unread postAuthor: noname » Mon Nov 06, 2006 9:44 pm

I've finished the hopper, barrel, feed system, stock, and I am working on the air tanks and trigger currently.
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Unread postAuthor: jaffe » Sun Jun 24, 2007 1:44 am

If the air reach your ammo at a point when its in the barrel you wil shoot much much harder and faster.
greetings from the Dutch, JAFFE
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Unread postAuthor: hi » Sun Jun 24, 2007 1:51 am

i looks to me as though the screws would get knoked out from the piston hitting it.

anyway, this is an old topic so it probably doesnt matter now.
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"physics, gravity, and law enforcement are the only things that prevent me from operating at my full potential" - not sure, but i like the quote

you know you are not an engineer if you have to remind yourself "left loosy righty tighty"
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Unread postAuthor: Kenny_McCormic » Sun Jun 24, 2007 3:51 pm

putting where the air goes in would really help in understanding how it works. how does it work?
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Unread postAuthor: jaffe » Mon Jun 25, 2007 9:46 am

I fink that the air pushes the bolt forward(very hard!!!) so the ammo wil be shooted in the far away, but if you can make a simple good working valve you wond need a bolt just air :idea: .
greetings from the Dutch, Jaffe
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Unread postAuthor: e1337 » Mon Jun 25, 2007 3:19 pm

Cool design, It should be cool.
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Unread postAuthor: mark0491 » Mon Jun 25, 2007 3:23 pm

seems as if it would double shoot 2 bbs alot thats why i would put a small o-ring on both sides of the pipe holding the bb in place but yet loose enough to shoot easily :!:
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Unread postAuthor: Flying_Salt » Mon Jun 25, 2007 3:45 pm

Well is it done? It's been 7 months.
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