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Semi Auto Airsoft feed

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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Semi Auto Airsoft feed

Unread postAuthor: lklaussen » Wed Jan 04, 2012 11:00 am

So i have a qev and slide valve getting to my house soon, and am hoping to make a semi auto airsoft gun. anyone have ideas about how to get a semi auto loading mechanism fairly easily without a lathe/mill? Or even better, one without moving parts?
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Re: Semi Auto Airsoft feed

Unread postAuthor: evanmcorleytv » Wed Jan 04, 2012 11:16 am

lklaussen wrote:So i have a qev and slide valve getting to my house soon, and am hoping to make a semi auto airsoft gun. anyone have ideas about how to get a semi auto loading mechanism fairly easily without a lathe/mill? Or even better, one without moving parts?


I'll be drawing one up this weekend.. It's JUST like Sokauo's loading system, and I'm sure with some scrounging that you'll be able to find the materials.. can you wait until Saturday?
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Unread postAuthor: lklaussen » Wed Jan 04, 2012 11:21 am

Yeah sure, that's fine.

What kind of parts will I need?
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Unread postAuthor: jackssmirkingrevenge » Wed Jan 04, 2012 12:26 pm

A simple tee mag could do, have a read through this.
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Unread postAuthor: lklaussen » Wed Jan 04, 2012 12:56 pm

How would I prevent double feeds?
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Unread postAuthor: evanmcorleytv » Wed Jan 04, 2012 2:26 pm

lklaussen wrote:How would I prevent double feeds?


My loading system design will prevent them, and will be quite efficient..
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Unread postAuthor: jackssmirkingrevenge » Thu Jan 05, 2012 1:14 am

lklaussen wrote:How would I prevent double feeds?


Image

In theory it should work like that.

As long as the part of the magazine which contacts the barrel is the same diameter as the projectile, and the spring pushing the BBs isn't too hard, you shouldn't get double feeds.
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Unread postAuthor: lklaussen » Thu Jan 05, 2012 7:58 am

So the air pressure also pushes down the airsofts in the magazine so only one shoots?
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Unread postAuthor: jackssmirkingrevenge » Thu Jan 05, 2012 8:09 am

lklaussen wrote:So the air pressure also pushes down the airsofts in the magazine so only one shoots?


That's the idea, air pressure fires the one in the breech down the barrel but pushes the rest up the magazine. It's important therefore that the magazine is a close fit in diameter to the BBs, otherwise too much air will get behind the BBs and pressurise the magazine.
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Unread postAuthor: lklaussen » Thu Jan 05, 2012 9:52 am

I would like a large capacity magazine on this (200 or so). Would this work with an airtight hopper?
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Unread postAuthor: jackssmirkingrevenge » Thu Jan 05, 2012 10:59 am

lklaussen wrote:Would this work with an airtight hopper?


[youtube]http://www.youtube.com/watch?v=U_1cN7lhW5c[/youtube]

;)
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Unread postAuthor: lklaussen » Thu Jan 05, 2012 11:40 am

On wow. That's damn awesome. Would I use a detent on both sides od the magazine to keep them from rolling 2 into the barrel or rolling out?
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Unread postAuthor: lklaussen » Sat Jan 07, 2012 2:26 pm

Got the valves working and a t mag made, but each time it shoots 2-4 bbs per shot unless the pressure is at like 5 psi, then its one per shot.
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Unread postAuthor: evanmcorleytv » Sat Jan 07, 2012 3:03 pm

lklaussen wrote:Got the valves working and a t mag made, but each time it shoots 2-4 bbs per shot unless the pressure is at like 5 psi, then its one per shot.


Use a stronger spring..
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Unread postAuthor: lklaussen » Sat Jan 07, 2012 4:22 pm

Ok. Btw did you ever get that drawing done? The t magazine just isn't workin too well..
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