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Airsoft QEV + popoff valve help

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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Unread postAuthor: isnotaustin » Mon Jul 15, 2013 1:01 pm

Not even a spring or anything? I always see people making modifications to them
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Unread postAuthor: Gun Freak » Mon Jul 15, 2013 2:24 pm

If you are filling it from the chamber side you will need a spring behind the piston and an equalization hole to allow air to the pilot. But that is mostly for automatic configurations, and is not as efficient as just using the valve in its original form.
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Unread postAuthor: isnotaustin » Mon Jul 15, 2013 2:36 pm

I would be filling from the p side of the qev and the popoff will be there too, all directly from air supply wich is a co2 tank ... Hopefully it all works :) the chamber on the a side of the qev will be a 3/8 in brass 4 inch pipe... Barrel ill do later with the mag but first i would like to get it fireing the way i want , so do u think this setup should work ok? Other than not very good efficiency and btw this IS an automatic build
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Unread postAuthor: Gun Freak » Tue Jul 16, 2013 10:12 am

How will it be automatic? And what type of regulator will you be using?
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Unread postAuthor: isnotaustin » Tue Jul 16, 2013 1:34 pm

By using the popoff qev combination and im not using one other than needle valves
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Unread postAuthor: Gun Freak » Wed Jul 17, 2013 7:46 am

Gotcha. Keep in mind, the slower your ROF the better your valve will work because you want the input flow to be pretty slow so that the pop-off valve can easily pilot the QEV.
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Unread postAuthor: isnotaustin » Wed Jul 17, 2013 9:08 am

Ok :) thanks for the help , hope it all works ... Half my parts cane in so far
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Unread postAuthor: Gun Freak » Wed Jul 17, 2013 10:09 am

Let's see 'em! I hope it all works too!
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Unread postAuthor: isnotaustin » Wed Jul 17, 2013 10:16 am

Here she iss :) i cant wait ... Should all be in by like sunday
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Unread postAuthor: Gun Freak » Wed Jul 17, 2013 12:59 pm

The parts are shiny :D Decide on a feeding system yet?
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Unread postAuthor: isnotaustin » Wed Jul 17, 2013 1:49 pm

Indecided i would first do a paintball hopper +1/2 pcv tee plus 1/2 pvc pipe and use that as a gravity feed for testing it out :) since that would be alot let work and money than creating the airsoft mag ... Although im going to do both , eventually somehow 0.0
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Unread postAuthor: Alanstone » Wed Jul 17, 2013 2:48 pm

Just a suggestion: if you document your build with pictures and descriptions of the parts and the problems you experience during the build and your solutions it would be a good thing. (A build log) Are you willing to do so? This way it is documented for others to learn from :)
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Unread postAuthor: isnotaustin » Thu Jul 18, 2013 1:46 pm

I am very willing! I was already planning on it actually , just not now , i will do a yourube video piece by piece with everybit of information! Here is an update of a few more pieces that came in today although some had issues fiting together ... So far im missing a 1/4 inch 45 degree angle elbow , a 3/8 in end cap , a needle valve , a remote line and a barrel setup i will do later :D wish me luck guys this is like a 200$ project for me and im only 14 :(
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Unread postAuthor: Gun Freak » Thu Jul 18, 2013 7:57 pm

You could have started with a 15 dollar project and had just as much fun, just sayin.
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Unread postAuthor: isnotaustin » Thu Jul 18, 2013 7:58 pm

I like to go all the way :D ... I take it too far xD
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