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QEV and blow gun as pilot 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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QEV and blow gun as pilot question.

Unread postAuthor: Potatismos » Tue Jul 08, 2014 1:57 pm


I didn't even know that spud-guns/homemade pneumatic guns excisted until three days ago, but then I found this site and I got myself a new hobby...

So: I've just started with an attempt to build a QEV:
And first of all I wonder whether you think if it has the slightest chance of work as I hope?

If so, I want to use a blow gun as Pilot valve. BUT I haven't the slightest clue how to connect it? Any advices?

I will try to test it with an empty (plastic) soda bottle as pressure chamber to start with, but i haven't had the time to find a schrader valve and connect it to the QE-valve...

Another pic:
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Last edited by jrrdw on Tue Jul 08, 2014 3:47 pm, edited 1 time in total.
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Re: QEV and blow gun as pilot question.

Unread postAuthor: fenrir » Wed Jul 09, 2014 12:00 am

I would just bring the fittings to a hardware store, and see what will fit. You can find schrader valves as tire valves at, well, any store that sells car stuff. You should get a decent chamber, a soda bottle isn't going to hold much pressure.
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Re: QEV and blow gun as pilot question.

Unread postAuthor: bravootome » Wed Jul 09, 2014 12:18 am

i will work...at least as a single shoot. For multishoots the piston has to be machined....to feet well.
Look for "wyzz 2285" videos on youtube for a better understanding.... and more ideas
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