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QEV 6mm Sniper

Built a pneumatic cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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Re: QEV 6mm Sniper

Unread postAuthor: 1nxtmonster » Sun Jan 26, 2014 3:03 pm

Well, sorry for the double post, but i have some updates :)

Here are some pictures of the gun in stock:

P1030609.JPG


P1030613.JPG


And a video of the internals:



And a video of the almost finished gun:

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Re: QEV 6mm Sniper

Unread postAuthor: bravootome » Tue Jan 28, 2014 12:58 pm

Not very loud, i say . If you use it as an airsoft than sounds good.
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Re: QEV 6mm Sniper

Unread postAuthor: 1nxtmonster » Tue Jan 28, 2014 1:55 pm

With the silencer at long range you can barely make out a muffled "pfft" a second or two before you get drilled.
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Re: QEV 6mm Sniper

Unread postAuthor: sagthegreat » Tue Jan 28, 2014 5:20 pm

1nxtmonster wrote:With the silencer at long range you can barely make out a muffled "pfft" a second or two before you get drilled.

up the pressure and you can reduce those seconds to milliseconds :P
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Re: QEV 6mm Sniper

Unread postAuthor: 1nxtmonster » Wed Jan 29, 2014 8:01 am

I don't even wanna think about how much pressure that would take :)

But on a more serious note, up until now, I've been using an air compressor that only goes to 100 psi. I'm getting c02 reg and tanks in the mail on friday-ish, and the lowest pressure rated part is 150 psi for the qev.....this only means one thing...MOAH POWER! :twisted:

For anyone who has done something like this, how much more power can the gap from 100 to 150 psi give?
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Re: QEV 6mm Sniper

Unread postAuthor: sagthegreat » Wed Jan 29, 2014 8:03 am

1nxtmonster wrote:I don't even wanna think about how much pressure that would take :)

But on a more serious note, up until now, I've been using an air compressor that only goes to 100 psi. I'm getting c02 reg and tanks in the mail on friday-ish, and the lowest pressure rated part is 150 psi for the qev.....this only means one thing...MOAH POWER! :twisted:

For anyone who has done something like this, how much more power can the gap from 100 to 150 psi give?



for a bb, it should give you like 50 fps more...
also let me know how your air rig works out, im thinking about buying a reg like that
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Re: QEV 6mm Sniper

Unread postAuthor: bravootome » Thu Jan 30, 2014 2:41 am

1nxtmonster wrote:I don't even wanna think about how much pressure that would take :)
For anyone who has done something like this, how much more power can the gap from 100 to 150 psi give?


not much, I dont even shoot when pressure drops to 150 psi. If you got a fridge, take out it's compressor ..it goes up to 500 psi i think. Now you will get decent power. And if you use steel bb, you got yoursel a PCP.
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Re: QEV 6mm Sniper

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Re: QEV 6mm Sniper

Unread postAuthor: 1nxtmonster » Thu Jan 30, 2014 3:51 pm

bravootome wrote:not much, I dont even shoot when pressure drops to 150 psi. If you got a fridge, take out it's compressor ..it goes up to 500 psi i think. Now you will get decent power. And if you use steel bb, you got yoursel a PCP.


oh... i'm getting 400-500 fps at 100 psi. If I get as much as a jump in performance from say 100 to 150 psi as I do from 70 to 100 psi, then i should be getting "decent power" :)
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Re: QEV 6mm Sniper

Unread postAuthor: 1nxtmonster » Sat Feb 01, 2014 1:08 pm

**UPDATE**

Air rig arrived, with a little bit of cleaning it works great! I re-arranged the internal washer assembly for a lower pressure range, now i can adjust from 50 to about 300 psi.

R-hop installed, I believe the term for what is occurring would be "over hop" (by about 6 feet at 150 feet)

R-hop un-installed, back to heat shrink tubing. Works like a charm at 150 feet with 120 psi.

Running a higher pressure, this thing is loud! Silencer helps a lot with that.

And finally, would a new topic for the finished thing with a final video be okay?
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Re: QEV 6mm Sniper

Unread postAuthor: bravootome » Sat Feb 01, 2014 2:41 pm

1nxtmonster wrote:
bravootome wrote:not much, I dont even shoot when pressure drops to 150 psi. If you got a fridge, take out it's compressor ..it goes up to 500 psi i think. Now you will get decent power. And if you use steel bb, you got yoursel a PCP.


oh... i'm getting 400-500 fps at 100 psi. If I get as much as a jump in performance from say 100 to 150 psi as I do from 70 to 100 psi, then i should be getting "decent power" :)


with higer power the bb fly different, you wont need a hop up. I goes straight and it also has enough force after 25 m to smash a beer bottle. Also much more important is the barrel.
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Last edited by bravootome on Mon Feb 03, 2014 2:03 am, edited 1 time in total.
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Re: QEV 6mm Sniper

Unread postAuthor: Lazyboy » Sat Feb 01, 2014 7:57 pm

Its looking good.
Have you emptied the CO2 tank yet?
I am interested how many shots you would get with the qev and slide valves.
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Re: QEV 6mm Sniper

Unread postAuthor: 1nxtmonster » Sun Feb 02, 2014 9:05 am

@ bravootome - my "hop up" right now is very gently rubbing the bb, not really much at all.

@ lazyboy - The tank is about 3/4 empty, and I've done 400 shots.
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