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New air gun/ first post hammer 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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New air gun/ first post hammer valve help

Unread postAuthor: Patrickstar » Wed Aug 21, 2013 12:44 pm

Hello guys! :D I am working on a new gun. I am going to be using air to power this gun. I want it to semi auto. So I will be using a hammer valve. I have drawn up an idea for a hammer valve. I want to know if this will work. I have a good hunch that this will but I just want some clarification. I will be using pvc for the air chamber and brake link for the valve.
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Attachments
Airgunvalvedesign.jpg
So what you are seeing is the close valve. Basically there is a spring that is pushing on the brake line to shut it against the nipple that comes on the brake line. both ends of the brake link are close and will be sealed tightly. Then there are holes in it to let the air out when it is opened. An o-ring will be on the brake line to make sure air does not go over the brake line through the nipple.
Airgunvalvedesign.jpg (18.55 KiB) Viewed 1492 times
airgunvalvedesign2.jpg
Now the valve is open allowing the air to go through the holes and release the air. There will be a barrel just right about the valve so thats were that will be.
airgunvalvedesign2.jpg (19.78 KiB) Viewed 1492 times

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Unread postAuthor: jrrdw » Wed Aug 21, 2013 2:35 pm

I sent you a PM, I suggest you answer it. :?
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Unread postAuthor: jackssmirkingrevenge » Wed Aug 21, 2013 11:06 pm

Basically something like this?

[youtube]http://www.youtube.com/watch?v=Qf4t9EnXxrs[/youtube]
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Unread postAuthor: Patrickstar » Thu Aug 22, 2013 1:03 am

Pretty much except that I will be using pvc as an air tank instead of a bike pump.

Also the "pin" is going to brake line so mine is a larger scale.

Edited by jrrdw, double post.
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Unread postAuthor: Gun Freak » Thu Aug 22, 2013 6:48 am

It's been made before with pvc and brake line a long while back by clemsonguy1125 and it works. It's not the best valve but it will fire a bb.
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Unread postAuthor: Patrickstar » Thu Aug 22, 2013 9:24 am

What would you prefer?
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Unread postAuthor: jackssmirkingrevenge » Thu Aug 22, 2013 9:39 am

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Unread postAuthor: Patrickstar » Sun Aug 25, 2013 12:48 pm

where can i purchase a qev and slide valve besides from ebay
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Unread postAuthor: jackssmirkingrevenge » Sun Aug 25, 2013 12:50 pm

Amazon :) http://www.amazon.com/Amico-Inlet-Outle ... B007Q82QTM

You won't normally find them at your average hardware store.
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Unread postAuthor: Patrickstar » Sun Aug 25, 2013 12:57 pm

Thank you now I might do that or still make a hammer valve. Now should I have a really tough spring a kinda tough spring like in the middle between tough and easy spring.
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Unread postAuthor: Brian the brain » Sun Aug 25, 2013 3:10 pm

You need to start experimenting with springs, hammer weights, the amount of travel on it.

Hard to tell.

The idea is sound though.
But remember, the bigger these things get, the harder they are to knock open.
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Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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Valve

Unread postAuthor: Patrickstar » Sun Aug 25, 2013 4:23 pm

What I am thinking now
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Attachments
newest valve.jpg
so what I am thinking now is to use a long nail as my pin I will have an o ring on one end which which will be the end inside the air tank. There will be a male adapter screwed in so the smallest part is showing inside the air tank. The spring will be outside of the pvc pipe. By the nail head. So the mail adapter is what the air will go through.
newest valve.jpg (17.97 KiB) Viewed 1306 times
newestvalveopen.jpg
Now this is when the valve is open the air will rush through the male adapter.
newestvalveopen.jpg (17.77 KiB) Viewed 1306 times
valves.jpg
This is the male adapter I will use
valves.jpg (19.1 KiB) Viewed 1306 times

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