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Italian Bingo Rifle _ Qev + Slide Valve

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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Italian Bingo Rifle _ Qev + Slide Valve

Unread postAuthor: frappu » Sat Mar 31, 2012 4:29 am

Hi spudders,this is my first post in this section.Today i will show you my last creation.why bingo?Images are self explanatory.
The design is simple,nothing revolutionary :D

Image

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Easter Egg.

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Poor wall :D


Rifle Specification

-.50 caliber
-1/2" 50cm long barrel
-1/2" qev
-1/2" slide valve
-3/4" chamber

What i want to archeive,now,is a sort of semi-auto system for loading,with a magazine and bolt.any suggestion?
English isn't my mother language so,sorry for any mistakes ;)
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Unread postAuthor: jackssmirkingrevenge » Sat Mar 31, 2012 4:46 am

haha buon lavoro! simple standard parts and well put together :D

With the all-metal construction, I hope you're taking it to high pressures.

Of course it wouldn't be an Italian project without a shot at a Kinder Sorpresa type target :D

For a bolt and magazine, check out this recent tutorial: http://www.spudfiles.com/forums/how-to- ... 24038.html
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Unread postAuthor: frappu » Sat Mar 31, 2012 8:04 am

Thank you!Damages shot are done at 10bar, that is the maximum pressure for qev,slide valve is rated for 16bar.
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Unread postAuthor: Fnord » Sat Mar 31, 2012 8:41 am

Just because it's *rated* for 10 bar, doesn't mean you can't take it to 30 bar :wink:
We routinely use small QEVs at much higher than their intended pressure with no failures. They're built for industrial use, so they usually have high safety factors.

Add a gun handle and clamp your trigger on to that slide valve, and it'll be a very comfortable gun to shoot.
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Unread postAuthor: Gun Freak » Sat Mar 31, 2012 2:34 pm

Ouch, that barrel is a killer. There is often a seam down those iron pipe nipples. A nice 1/2" copper barrel (longer too) will be much better :) nice gun!
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Unread postAuthor: frappu » Sat Mar 31, 2012 2:39 pm

Thanks all for the advice!
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Unread postAuthor: Lockednloaded » Sat Mar 31, 2012 4:54 pm

Nice! But I believ you could get away with a 1/8" paintball slide valve for your pilot. It would make a more comfortable trigger + you could then take the setup up to 500 psi with a nice safety margin.
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Unread postAuthor: Brian the brain » Sun Apr 01, 2012 1:16 pm

Badda Bingo-Badda Boom!

Love the Lupara configuration offcourse!
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Gun Freak wrote:
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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Unread postAuthor: frappu » Tue Apr 03, 2012 3:30 am

Hi BTB and thanks,i was ispired to your design ;)
I hope soon to take a damage video :)
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Unread postAuthor: frappu » Sat Apr 07, 2012 6:29 am

Hi,today I upgraded my rifle with two spring and a sort of trigger to the slide valve,this is the result:

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Unread postAuthor: Gun Freak » Sat Apr 07, 2012 10:51 am

Awesome! That looks pretty kick ass :D
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