2 questions, newbie help

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Captain Tech
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I was wondering if there was any write ups for how to actually build a back pressure tank as seen here:

http://www.spudfiles.com/forums/piston- ... t8157.html

The theory is much easier than the actual build.



Also, what would be the easiest type of semi automatic airgun to build?
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clemsonguy1125
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I dont understand what you mean by back pressure tank? Do you mean a piston valve? As for easiest semi auto, Id say a QEV with a slide valve trigger hooked up to either regulated HPA or a compressor.
Captain Tech
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clemsonguy1125 wrote:I dont understand what you mean by back pressure tank? Do you mean a piston valve? As for easiest semi auto, Id say a QEV with a slide valve trigger hooked up to either regulated HPA or a compressor.
Hey, sorry. I'm a nerf modder so my terms are a bit different.
Yes I mean the piston valve. The kind where you have to exhaust a little air to release alot of air.

Also, could you provide a link to an example of a QEV with a slide trigger? I don't fully understand.
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saefroch
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Clemsonguy is very correct, the easiest type of sem-auto is a QEV with a slide valve, or possibly a homemade springloaded piston valve, but that require more building.

Right here. Both the QEV and slide valve are purchased.
Captain Tech
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saefroch wrote:Clemsonguy is very correct, the easiest type of sem-auto is a QEV with a slide valve, or possibly a homemade springloaded piston valve, but that require more building.

Right here. Both the QEV and slide valve are purchased.
Hmm...I see, but that doesnt really explain how to connect everything. I can't seem to find a how-to on a QEV w/ slide valve blaster/gun/cannon/whatever you wanna call it.
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Gun Freak
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There's no tutorial because all you do is buy the parts and thread them together lol :lol:
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clemsonguy1125
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Captain Tech
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Hmmm...Well what does the term "piloted" mean?
In these posts they are saying the QEV is piloted by a slide valve, what exactly does that mean?
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clemsonguy1125
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Piloted means the air behind the piston is released, the slide valve is the valve the pilots the piston valve
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Gun Freak
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Pilot is just another word for trigger.
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Captain Tech
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God, I feel stupid. I hate being new to things....

What type of slide valve am I looking for?

One such as this:
http://www.nexternal.com/poolcenter/ima ... 502S-l.jpg

Or one such as this:
http://t2.gstatic.com/images?q=tbn:ANd9 ... pUsuTqzTbA


Or a completely different wrong and I'm a dumbass?
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Gun Freak
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The second one looks right. Here is one:
http://cgi.ebay.com/New-Paintball-Gun-S ... 3f08799d74
Heck I might buy one of those anyway... 9 bucks, its pretty nice too.
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