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Pilot Valve for QEV - JSR's $20 Semi-Auto BB Gun Question

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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Pilot Valve for QEV - JSR's $20 Semi-Auto BB Gun Question

Unread postAuthor: littlebro05 » Fri May 11, 2018 7:07 pm

Hey guys,

It's been a very long time since I've posted here. I remember JackSmirkingRevenge posting a $20 BB Semi-Automatic BB Gun. In this link here - how-to-database/topic23626.html

I was wondering if there are alternatives to the "Hand Slide" Pilot Valve. I've been doing some research and I remember a mate of mine who worked in pneumatics showed me something similar that worked as well.

For example, would this work?

https://www.ebay.com.au/itm/TAC2-31V-2- ... Swq5pXPtqf


https://www.ebay.com.au/itm/Mechanical- ... SwCGVX9I-X

Where, on the off position, it shuts off the air supply, but also remove the excess air to fire the QEV. The reason I ask this is because I wanted something that was more 'ergonomic' when I put this in a shell of a Nerf Blaster and would be easier to install a trigger. I don't know much about pneumatics and scoured the internet for the, but I just couldn't figure out if it had the some action as the 'hand slide valve'.

Thanks in advance!
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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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Re: Pilot Valve for QEV - JSR's $20 Semi-Auto BB Gun Questio

Unread postAuthor: farcticox1 » Sat May 12, 2018 7:15 am

The second one is pretty much what I use, nice to have all 3 ports usable on the 3/2 valve so you can use it NO or NC.Depends on which side of the QEV you fill from.

Swan Donovan made a neat adjustable exhaust for his QEV to give multiple shots.
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