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The Black Mamba

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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Unread postAuthor: SpudStuff » Wed Apr 05, 2006 10:34 pm

spudshot wrote:125 psi, thats about the rating of the valve, and i dont wanna blow it
thoes valves have been tested to 150 psi with no problems though the blogun is rated to 90 psi
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Unread postAuthor: spudshot » Thu Apr 06, 2006 6:41 am

the blowgun isnt rated to 90 psi, and the valve isnt the same as the goyen ones which ARE rated to 150.
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Unread postAuthor: sam_516 » Thu Apr 06, 2006 10:11 pm

holly f#!king s$#t i have only made simple lil cannons but this one is insane how much did it cost you to make???

[img]<a href="http://www.towercodes.com"><img src="http://www.towercodes.com/uploads/20060406/20060406_IMG_0192_1144327502319340.JPG" border="0" alt="MySpace Backgrounds" /></a>

my gun cost me $70aus ad it only pumps up to 100psi i want something that will blast through a brick wall
do you have plans for that gun somewhere???
nice work...l8er[/img]
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Unread postAuthor: spudshot » Fri Apr 07, 2006 2:01 pm

i dont think you really need plans for the gun its so simple if you can identify basic pipe parts you can build it no problem. it cost me about 30 dollars to make, the valve was 20 by itself, everything else was either cheap, or i had it laying around
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Unread postAuthor: zeigs spud » Fri Apr 07, 2006 2:37 pm

spud shot is that nozzel what u where talking about in my post?
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Unread postAuthor: spudshot » Fri Apr 07, 2006 4:17 pm

well, thats a quick connect, if you're going to use an air compressor, they fill much quicker than a schrader (bicycle type valve with 1/8" NPT threads) valve, but you need to have a ball valve on your air line like i do to stop air flow when you are going to fire it
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Unread postAuthor: drac » Fri Apr 07, 2006 8:53 pm

sam, your image leads to a myspace code generator. I suggest you remove that, intentional or not. I would personally consider that spam.
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Unread postAuthor: Andrew52 » Sat Apr 08, 2006 11:55 pm

yah i wonder how much that goyen valce cost?
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Unread postAuthor: beebs111 » Sun Apr 23, 2006 5:41 pm

spudshot, how does that barrel work out for you? i was just wondering because i built something similar out of galvanized steel, the barrel is 30" long and it has a large ridge down the side of it that stops anything tight fitting from going down. i just went to home depot today, and checked all of the 1/2" metal pipes, and they all had that same ridge. i just decided to use a sch 40 1/2" barrel, but i was wondering if you had this same problem.
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Unread postAuthor: spudshot » Sun Apr 23, 2006 7:09 pm

andrew, its not a goyen valve.

the barrel works fine, its black iron and theres no seam inside the pipe
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Unread postAuthor: SpudStuff » Wed May 31, 2006 8:51 pm

only galvinized pipe has the ridge inside
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Unread postAuthor: iPaintball » Thu Apr 12, 2007 3:25 pm

This is one of the coolest qev guns I've ever seen, nice job!
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Unread postAuthor: pyromaniac » Thu Apr 12, 2007 3:31 pm

Its i cool gun but just so you know pneu kid read the rules.

Old threads may be kicked up, if you have something relevant and timely to say. Useless ("Cool!") or untimely ("you can find X here" as a reply to a two-month old thread such as "I need to find X by tomorrow") replies may be deleted.

just try not to kick up old topics for cool.
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Unread postAuthor: PAspuder » Thu Apr 12, 2007 3:46 pm

I like the color choice. How much does it weigh? What all have you shot with it? That valve is awsome too. I am considering a valve like that on my next cannon.
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Unread postAuthor: super spuder » Thu Apr 12, 2007 8:08 pm

well since someone has already kicked up this old fourm i mays well say that i absolutely love that cannon. i think you should get a higher presure valve and blow gun and use helium or something really high presure and i bet you could break the sound berier :wink:
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