Finished .177 air rifle

Building or modifying BB, Airsoft, and Pellet type of guns. Show off your custom designs, find tips and other discussion. Target practice only!
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inonickname
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Tue Sep 20, 2011 7:01 am

jmez1996 wrote:
inonickname wrote:
jmez1996 wrote:
Sorry but that's not great accuracy from a vice at 10 meters. It's a result of the smoothbore barrel and projectile.
yeah i know its not great but i can hit a softdrink can at 14m with my first shot with no form of sights so im happy enough :)
Well what are you waiting for...slap some sights on! But it's a very nice gun. You'll get the accuracy issues ironed out easily, I'm sure. Good work!
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danielrowell
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Tue Sep 20, 2011 2:05 pm

That's quite a beautiful gun you've made! If you can afford it, you could mod the air tank to fit a PCP pump, and then you'd really be in business. :D
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jmez1996
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Wed Sep 21, 2011 7:34 am

jazzman56 wrote:Nice rifle, any chance of those component pictures, you have inspired me to build my own version (if i can source the parts).
here you go:
this is the valve link: http://www.ebay.com/itm/Metal-1-4PT-1-2 ... 573wt_1398
:)

pm me for any more details you need. ill be happy to help
Attachments
the end of the air tank and barrel, the bracket was made from some stainless  steel plating.
the end of the air tank and barrel, the bracket was made from some stainless steel plating.
breech over the 4.5mm inside diameter tubing. sorry but this is something you will have to figure out on yours as it is different for each gun.
breech over the 4.5mm inside diameter tubing. sorry but this is something you will have to figure out on yours as it is different for each gun.
this is the main workings of the gun. refer to the labels to see how it works.
this is the main workings of the gun. refer to the labels to see how it works.
the working components over the stock
the working components over the stock
the stock was cut from a single piece of wood, then the relief for the air tank and trigger etc. were cut into it. it was sanded and painted with 2 coats of rich jarrah gloss varnish. (the stock from start to finish took 2 days.)
the stock was cut from a single piece of wood, then the relief for the air tank and trigger etc. were cut into it. it was sanded and painted with 2 coats of rich jarrah gloss varnish. (the stock from start to finish took 2 days.)
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Gippeto
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Wed Sep 21, 2011 9:09 am

Would suggest you try swagging the pellet skirts up in diameter to fit the bore well...should have to push them in a little...if they fall right through...accuracy will definitely suffer.

Nice job on the build. :)
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jmez1996
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Wed Sep 21, 2011 6:21 pm

Gippeto wrote:Would suggest you try swagging the pellet skirts up in diameter to fit the bore well...should have to push them in a little...if they fall right through...accuracy will definitely suffer.

Nice job on the build. :)
Yeah they are fairly tight in the breech, once the pressure drops too low sometimes they get stuck.
Asian~creation96
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Tue Jan 17, 2012 8:40 pm

i was just wondering, where did you get the steel camber and barel? also how were you able to connect the steel chamber to the ball valve?
evanmcorleytv
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Tue Jan 17, 2012 10:26 pm

Asian~creation96 wrote:i was just wondering, where did you get the steel camber and barel? also how were you able to connect the steel chamber to the ball valve?
He probably got them from a supplier. And you shouldn't "kick up" old topics, this topic is about 4 months old..
max76
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Mon Apr 09, 2012 3:39 am

how many shots with that tank launching?
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Brian the brain
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Mon Apr 09, 2012 6:01 am

The tank doesn't get launched.
And you shouldn't "kick up" old topics, this topic is about 4 months old..
Some people kick up topic way.. :roll: .deader than this to add some cool pictures... :D

But then again, you could always PM a member, in this case jmez1996 by clicking on his name shown left of his post.

best way to get a direct answer.
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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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jackssmirkingrevenge
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Mon Apr 09, 2012 7:10 am

Brian the brain wrote:The tank doesn't get launched.
I'm pretty sure that was lost in translation, a bit like shoulder launched cannons :D
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max76
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Sat Apr 21, 2012 6:48 am

yes have a problem with the traslator.
How the distance shoot the bullet?
tesla_vn
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Mon Dec 15, 2014 4:02 am

Hi,
A short question: you said you pumped to 260 psi, but i'm wonder if it is safe for the QEV with that high pressure (when the working pressure of such 1/4'' valve is approx. 150 psi ~ 10bar)?
Thanks!
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jackssmirkingrevenge
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Sat Dec 20, 2014 9:38 pm

Some folks have taken 150 psi rated QEVs to 500-600 psi with no issues other than increased diaphragm wear. It's never a good idea to exceed the manufacturer's ratings, but in the vast majority of cases as long as you don't overdo it, it's unlikely that a catastrophic failure will occur. At your own risk, of course.
hectmarr wrote:You have to make many weapons, because this field is long and short life
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