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Dan003400's 6th Pnuematic Gun

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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Dan003400's 6th Pnuematic Gun

Unread postAuthor: Dan003400 » Sun Nov 26, 2006 1:44 am

this gun is gay!

have lathe now!!LOL
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Last edited by Dan003400 on Fri Dec 22, 2006 2:38 am, edited 2 times in total.
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Unread postAuthor: SpudStuff » Sun Nov 26, 2006 1:54 am

Didn't you already post this?
And this isn't a complete gun.
And Remove that lable!
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Unread postAuthor: Dan003400 » Sun Nov 26, 2006 2:00 am

No just made it ! lol and i will remove that label

The other was a 1.5 T Which wasnt as good as this one being a 1.25 T
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Unread postAuthor: SpudStuff » Sun Nov 26, 2006 2:03 am

Oh sorry. :oops:
I thought it was the other one.
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Unread postAuthor: ProfessorAmadeus » Sun Nov 26, 2006 2:20 am

Dang. Your turning into gorilla! Just crappin' out guns every day. You like pistons dont you? :wink:
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Insomniac wrote:Hey why am I a goose???? Why not somthing a little more awe inspireing, like an eagle or something? LOL

SOO CUTE!! OMG!! I COULD JUST LICK YOU!!
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Unread postAuthor: mark.f » Sun Nov 26, 2006 7:38 am

I like these pistons.

Same basic thing I did with my first marble gun. I hacksawed that valve in half, though, to show new people how a piston valve looked and how it worked.

<img src="http://members.aol.com/markfh11q/valvecuts/barrelsealer.jpg">
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Unread postAuthor: ProfessorAmadeus » Sun Nov 26, 2006 11:16 am

Thats cool. If I was new I would find it very handy.
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Insomniac wrote:Hey why am I a goose???? Why not somthing a little more awe inspireing, like an eagle or something? LOL

SOO CUTE!! OMG!! I COULD JUST LICK YOU!!
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Unread postAuthor: squeaks » Sun Nov 26, 2006 11:37 am

#1 Why didn't you use a 1" T or a 3/4" T for that valve? I mean the smaller the better for a barrel sealing valve, right?

#2 Didn't you also post a diaphrahm valve cutaway mark? I remember seeing one of those cutaways earlier, but it didn't make much sense to me, that is, how the diaphrahm was able to flex far enough. Want to explain that please?
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Unread postAuthor: PVC Arsenal 17 » Sun Nov 26, 2006 11:41 am

He probably used a 1 1/4" tee because a 3/4" cap makes a good piston.
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Unread postAuthor: djt » Sun Nov 26, 2006 2:59 pm

Did you use O-rings on this valve? I have been wanting to make something similar but i dont want to mess with O-ring grooves since i dont own a lathe.
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Unread postAuthor: Dan003400 » Tue Nov 28, 2006 8:24 pm

Yea i use that big of a T because no lathe to make the piston fit in a 1 " T

and i wish i had a lathe to make orings i use Sean Gorts some times when i go there.
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Unread postAuthor: djt » Tue Nov 28, 2006 9:02 pm

I have been wanting to make a valve similar to the one you made for a while. I would like to make is accesible too, like an end cap screwed (and not glued) on where you have your reducer for the exaust. The problem is i have no way to make O-ring grooves and i dont know how to seal the endcap with the screws so it doesnt leak without O-rings. Any suggestions?
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Last edited by djt on Tue Nov 28, 2006 9:48 pm, edited 1 time in total.

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Unread postAuthor: PVC Arsenal 17 » Tue Nov 28, 2006 9:46 pm

Where exactly do the o-rings go? Around the piston or behind it?
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Unread postAuthor: Bluetooth » Thu Nov 30, 2006 8:51 pm

The o-rings go around the it in the grooves you make in the piston.
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Unread postAuthor: squeaks » Fri Dec 01, 2006 12:15 am

In a T valve that you have the plug screwed in you put an o-ring on the plug so that air won't leak out the back through either the plug or the screws. You also can put o-rings on the piston in order to increase performance.
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