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Help with mini valve gun

Discuss miniature cannons built from things such as pill bottles and pen caps.
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Is this too hard of a build for me?

Poll ended at Sat Jan 14, 2012 2:30 pm

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Total votes : 1
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Unread postAuthor: Gun Freak » Mon Jan 09, 2012 9:38 pm

:D

That, sir, would be a lot to type :lol:

JSR has a simple tutorial picture I think... he'll leave a link in about an hour :wink:
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Unread postAuthor: pneumaticcannons » Mon Jan 09, 2012 10:01 pm

I have a tutorial on my channel... Did you see that? just wondering since you're plan sounds exactly like what my video suggested however I strongly recommend using a solid rubber piston.
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Unread postAuthor: Proxywars » Mon Jan 09, 2012 11:01 pm

Lol your video inspired me to make it. I cant find the 8mm ID brass pipe
or 1/8in ID brass pipe. If there is any other pip that I can use instead please tell me. I checked at lowes and home depot. I even checked online and can't find those pipes. :?
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Unread postAuthor: warhead052 » Mon Jan 09, 2012 11:44 pm

Your not looking hard enough. Look harder. Trust me, you will find it.
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Unread postAuthor: Proxywars » Tue Jan 10, 2012 12:02 am

I am but I dont want it shipped I want to pick it up. Does anyone have a gun like this with different tubes if so tell me the tube dimensions. I just needa finish wat I started.
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Unread postAuthor: warhead052 » Tue Jan 10, 2012 12:16 am

Well, there is a store near me called the model box, and they sell tubing of all shapes and sizes below 1". Different metals too, like brass, copper, aluminum, I think titanium which is pretty cool, and a few others. So look for a hobby store or a model store near you, and ask if they have what you need.
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Unread postAuthor: Proxywars » Tue Jan 10, 2012 12:23 am

Tried. At lowes they have small pipes as small as 1/4 maybe smaller I just need to know a good ID for the barrel and chamber. Also wat kind of metal I should look for.
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Unread postAuthor: Gun Freak » Tue Jan 10, 2012 6:17 am

Dude you can use any pipes you want :roll:
Just make sure they're seamless.
It's just a piston valve, it will work with any size pipes. People use 8mm for realism (~same size as pen) and 1/8" barrel because that's a good size for the chamber size.
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Unread postAuthor: Proxywars » Tue Jan 10, 2012 5:28 pm

K ill go t\look agin today
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Unread postAuthor: Proxywars » Wed Jan 11, 2012 7:03 pm

I found a 1/2 od and 1/2 id ima get started. THE 1/2 OD will go in the id but it is smaller so itll work as a barell alot of space for air
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Unread postAuthor: Gun Freak » Wed Jan 11, 2012 7:25 pm

alot of space for air

Zero space for air... I think you have your pipe sizes wrong :lol:
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Unread postAuthor: Proxywars » Wed Jan 11, 2012 7:32 pm

The sizes were wrong it the barell slides out and theirs a pretty big gap
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Unread postAuthor: Gun Freak » Wed Jan 11, 2012 7:38 pm

In what world is there a gap between 1/2" and 1/2"?
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Unread postAuthor: Proxywars » Wed Jan 11, 2012 7:54 pm

Lol lowes does not make great calculations but there is a gap.
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Unread postAuthor: Proxywars » Wed Jan 11, 2012 7:59 pm

1/8 gap body 5/16 id barrel 4/16id
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