Home-Made Qev Rifle with .40 pellet

Show us your pneumatic spud gun! Discuss pneumatic (compressed gas) powered potato guns and related accessories. Valve types, actuation, pipe, materials, fittings, compressors, safety, gas choices, and more.
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rp181
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Thu Jun 26, 2008 8:39 pm

400 PSI would be awesome in thats cannon!

Nice pump too.
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MrCrowley
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Thu Jun 26, 2008 11:30 pm

Damn, nice job on the cannon and the pump. Super clean construction, great work. You seem to put a lot of time and effort into your builds.
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ammosmoke
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Thu Jun 26, 2008 11:45 pm

I like the gun and the pump a lot also. Very clean construction. Oh, and don't worry about your English too much. As long as we get the idea, we don't really care. Did you use a popoff valve for the pump?
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Pilgrimman
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Fri Jun 27, 2008 1:15 am

That is a VERY well constructed pump! Your projects are always extremely clean! I'm impressed :D Your house looks very nice, too :lol:
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Fri Jun 27, 2008 1:39 am

Nicely done, if you had a proper sight on it and were shooting from rest I'm confident your groups would have been much tighter ;)
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psycix
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Fri Jun 27, 2008 5:16 am

Now thats a shiny cannon!
The high-polished barrel n' stuff looks very awesome!
Nicely done!
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spike33
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Fri Jun 27, 2008 5:55 am

i've make a SolidWorks drawing to explain how i've make the valve for the pump

is a ball which is plated by a spring on an O ring


Image
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pizlo
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Fri Jun 27, 2008 7:37 am

A specific parts list for the valve, that someone could translate would be great. A bunch of people have already said this, but that is a VERY nice gun, and a pump to go with it. I'm also wondering what those slugs (pellets) are made out of, they seam very good for homeade.
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Mr.Sandman
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Fri Jun 27, 2008 8:41 am

spike33 wrote:Thanks a lot !

the gun run at 130 psi ( 9 bars ) and the air chamber it's an aluminum bicycle bottle , and i can put a maximum of 200 psi

the barrel is a high polished cooper tube :wink:

i love it because he have a exellent accuracy , next week i'm going to put a red-dot BSA 2x42 tactic :

Image
also with the scope you should make a stock for it and then youd be takin out tanks :D but other than that you could get a bolt system for it like on your m25 sniper. btw awesome job and welcome to spudfiles :D
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Gippeto
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Fri Jun 27, 2008 9:15 am

Spike, you do very nice work. I am impressed. :thumbup: :thumbup:
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Hotwired
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Fri Jun 27, 2008 9:22 am

pizlo wrote:I'm also wondering what those slugs (pellets) are made out of, they seam very good for homeade.
My money's on cast lead since there's a mould there and precious few other metals are worth melting and casting at home.

The copper pipe looks a fair bit thicker than the stuff we get in the UK unless it's the camera, also looks like a very nice pilot, is it an actual air blowgun or a water spray gun?
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Carlman
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Fri Jun 27, 2008 10:48 am

very nice gun mate! all so clean and sexy :D

i saw your video and have visited the main spudding site you are on about 6 months ago. Glad to see a french person not using a soda bottle :wink:
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Aussie spudders unite!!
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sniper hero
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Fri Jun 27, 2008 11:40 am

very nice gun :D
I realy like the slugs
proud member of dutch spud clan
coming: semi auto pellet sniper:D
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kablooie
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Fri Jun 27, 2008 1:08 pm

Your soldering (sweating, whatever you want to call it) is amazing, incredibly clean. I recently soldered for the first time and....yikes. How did you get it so clean (or did you never get it dirty in the first place). Great gun.
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blind909
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Fri Jun 27, 2008 2:12 pm

I have been wondering, how do you fill her up, I see no shraeder, presta, quick connect, ball valve or anything. Do you just fill it through the bottom of the blowgun?
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