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5mm Marker gun Updated:Now with video.

Built a BB Machine Gun? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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Total votes : 21
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Unread postAuthor: Antonio » Thu Apr 17, 2008 9:41 am

nicely made! I am ganna make one of these as well. Instead of the popoff valve I am ganna use the valve that I used on my barrel hammer guns. Like this you can pump it up via the valve and initiate the shot.
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Unread postAuthor: ghostman01 » Mon Apr 21, 2008 11:34 pm

technically you could use this as a cartridge for a gun and have a magazine with about 3-5 of these around the 6mm- 8mm bore with 1/2" chamber and use some sort of hammer to pilot a schrader at the back?? hmm now thats a good idea, im designing one now
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Unread postAuthor: jackssmirkingrevenge » Tue Apr 22, 2008 12:04 am

ajdevi92 wrote:technically you could use this as a cartridge for a gun and have a magazine with about 3-5 of these around the 6mm- 8mm bore with 1/2" chamber and use some sort of hammer to pilot a schrader at the back


That was the idea behind this project, in fact the cartridge I had made looks a lot like spudchucker's creation.
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how to?

Unread postAuthor: Jman99 » Sun Apr 27, 2008 9:55 am

Wow i really like this! Any chance you'll submit a how to with the step by step? I'd love to have one of these!
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Unread postAuthor: JDP12 » Sun Apr 27, 2008 2:48 pm

welcome to the forums, and search first please- JSR has a how to up somewhere about how to make something similar
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Unread postAuthor: Sticky_Tape » Sun Apr 27, 2008 3:01 pm

I'll think about it right now my life is just too complicated just kidding.
I think you are taling about the pengun making tutorial by JSR.
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You can tell how awesome a cannon is by the pressure used.
http://www.spudfiles.com/forums/high-pr ... 12803.html
xnt rnm ne z ahtbg
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Re: how to?

Unread postAuthor: bigbob12345 » Sun Apr 27, 2008 3:06 pm

Jman99 wrote:Wow i really like this! Any chance you'll submit a how to with the step by step? I'd love to have one of these!



If you have anywhere near normal intellagence you should be able to figure that out with no effort at all. That is assuming you know how a piston valve works and have seen theinternals of a well made coax before.
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Re: how to?

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Re: how to?

Unread postAuthor: Sticky_Tape » Sun Apr 27, 2008 3:33 pm

bigbob12345 wrote:
Jman99 wrote:Wow i really like this! Any chance you'll submit a how to with the step by step? I'd love to have one of these!



If you have anywhere near normal intellagence you should be able to figure that out with no effort at all. That is assuming you know how a piston valve works and have seen theinternals of a well made coax before.


UHHHHHHH yeah! what he said!
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You can tell how awesome a cannon is by the pressure used.
http://www.spudfiles.com/forums/high-pr ... 12803.html
xnt rnm ne z ahtbg
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Unread postAuthor: Sticky_Tape » Sun May 11, 2008 1:52 pm

Well Today I was pumping up the gun and I heard a loud pop and all of the air came out of the gun I tried again but all the air kept coming out. After a while I thought that hey, maybe all of the air is coming out because the air pressure whent behind the faom disk and bursted a hole in the sealling face I got out my dremel and drilled out the back epoxy plug. Sure enough the sealling face had a pin hole in it sort of the way a aluminum burst disk looks like with the four triangle hing like things.
Sorry no pictures of that because after it happened I got right to work and trashed the old piston. Now I am going to put the gun back together I also got some good pics.
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Attachments
100-0007_IMG.JPG
My cat
100-0014_IMG.JPG
Epoxy shavings to add to the new casting.
100-0016_IMG.JPG
look ma no barrel suports!
100-0013_IMG.JPG
Reuseable shrader.
100-0015_IMG.JPG
New piston. See that little piece of cork there in the middle of the sealing face and the piston body I find that if you make a slight boo boo with the barrel being a little off center or if the piston is out of alighnment than this fixes the problem. my barrel was about 2mm out of alighnment.
You can tell how awesome a cannon is by the pressure used.
http://www.spudfiles.com/forums/high-pr ... 12803.html
xnt rnm ne z ahtbg
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Unread postAuthor: Lentamentalisk » Sun May 11, 2008 2:06 pm

I'm gona hope that the picture of your cat is not to show us your next target, or how you hope you marker gun will look in the future...
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Do not look back, and grieve over the past, for it is gone;
Do not be troubled about the future, for it has not yet come;
Live life in the present, and make it so beautiful that it will be worth remembering.
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Unread postAuthor: Sticky_Tape » Sun May 11, 2008 2:16 pm

No but in another post I put a picture of my cat under a blanket for a joke
btw what does your avatar mean? gotta ask to learn.
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You can tell how awesome a cannon is by the pressure used.
http://www.spudfiles.com/forums/high-pr ... 12803.html
xnt rnm ne z ahtbg
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Unread postAuthor: MrCrowley » Sun May 11, 2008 2:49 pm

Sticky_Tape wrote:btw what does your avatar mean? gotta ask to learn.

Well it's in Spanish, and that's Fidel Castro, so the evolution of Cuban dictators?
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Unread postAuthor: Lentamentalisk » Sun May 11, 2008 3:01 pm

no, Left is Hugo Chaves, of Venezuela, center, you are right is Fidel, and right is Evo Morales of Bolivia. The whole Evolución thing is a little pun that they had all over Bolivia when I went there, in support of Evo.
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Do not look back, and grieve over the past, for it is gone;
Do not be troubled about the future, for it has not yet come;
Live life in the present, and make it so beautiful that it will be worth remembering.
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Unread postAuthor: MrCrowley » Sun May 11, 2008 3:06 pm

Ah well you learn something new every day :)
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Unread postAuthor: Sticky_Tape » Sun May 11, 2008 3:16 pm

I heard he was a coca farmer...
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You can tell how awesome a cannon is by the pressure used.
http://www.spudfiles.com/forums/high-pr ... 12803.html
xnt rnm ne z ahtbg
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