First Barrel Sealing Valve

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SpudFiles Forum Index » Pneumatic Cannon Showcase » First Barrel Sealing Valve

First Barrel Sealing Valve

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TalonXxX

Posted: 03/04/2006 14:49 PM Post subject: First Barrel Sealing Valve

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Joined: 16 Oct 2005
Posts: 173
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Howdy folks! This was my first attempt at a Barrel Sealing Tee Valve and overall it turned out pretty nicely. I had quite a lot of difficulty getting this thing to seal air tight at first, but with some help from Izzy I was able to get this thing working. It's pretty much an exact replica of Izzy's Son of a Zonker but with my 360 Ball Valve Hopper on it. It's 1" Sch 40 with 3/4" Sch 80 barrel and hopper. I have a brass tee connecting my quick connect and blowgun to my chamber. I have 8 10-24 x 1/2" machine screws holding the end plug onto the tee. My diaphram is 3 1/16" neoprene rubber discs with no equilization hole. I have: bolt -> washer -> 3-ply diaphram -> washer -> lock washer -> nut. I can only get it up to ~70psi and I think this is beacuse my pilot valve can't dump the pressure over 70psi fast enough to actuate the diaphram. I was thinking about getting a 3/4" Watermaster or a QEV to solve this problem. Enjoy!

Click links for larger photos:

Valve View

pimpmann22

Posted: 03/04/2006 16:47 PM Post subject:

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Joined: 18 Feb 2005
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Super Duper Nice Job Talon!

Very clean construction also. Almost to nice I would be afraid to shoot it. jk What you think about doing a video of this cannon? LOL, nice imation of the supah with those screws in the Tee.

Atlantis

Posted: 03/04/2006 23:48 PM Post subject:

Brigadier General

Joined: 03 Sep 2005
Posts: 956
5049.40 Spud Bux

This is one of the best built guns I have ever seen, most people don't take the time to set up the ball valve, blowgun combo.

TalonXxX

Posted: 03/05/2006 0:10 AM Post subject:

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Joined: 16 Oct 2005
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Pimpmann22... yeah I am planning on making a quick video of this guy in action. Hopefully tomorrow I will break out the camera and make one. Haha ya it's my own homemade supah! Maybe I should sell it for $100 Wink

Atlantis... wow thanks for that great compliment although I am sure you have seen nicer guns than this one! But I will take the compliment Very Happy

Ya I really like the way the ball valve, blowgun combo looks and it's very functional.
Like I said, I am hoping to get more pics and videos up tomorrow

DAltar

Posted: 03/06/2006 17:40 PM Post subject:

Private First Class

Joined: 25 Oct 2005
Posts: 33
48.18 Spud Bux

supahs are the other way around, the inlet is directly across from the actuation valve but i gess its close

edit: crap sorry nice job looks very clean cant say i have successfully made a piston valve myself.

pimpmann22

Posted: 03/06/2006 18:03 PM Post subject:

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3" Supah on a 1"-.75" body sounds a bit OVERKILL! lol Not to mention very out of place on such a small bodied cannon.

At any rate, I see this cannon as a very clean setup and wouldnt suggest alteration. The cannon does look like it has oil or grease on it... There is "blackness" that can be seen in pic 3.

TalonXxX

Posted: 03/06/2006 21:21 PM Post subject:

Master Sergeant

Joined: 16 Oct 2005
Posts: 173
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Thanks pimpmann Smile

Ya... still gotta get it a paintjob... but I don't want just all black like my last cannon... any suggestions? T

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