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My Diaphragm Launcher+Damage pics.

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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What do you think

Poll ended at Wed Jun 19, 2013 9:31 pm

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Total votes : 5
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Unread postAuthor: mattyzip77 » Tue Jun 12, 2012 6:36 pm

Its better than any pvc made piston valve, Im sure there are better metal and or steel piston valves out there. IMO its better than the supah and mauler is cuz I have both and this type of valve blows them away. Also this valve can be taken to higher pressures for I have had it up to 225 psi with no problems. If using a different chamber probably even higher!
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Unread postAuthor: jsefcik » Tue Jun 12, 2012 11:26 pm

mattyzip77 wrote:Its better than any pvc made piston valve, Im sure there are better metal and or steel piston valves out there. IMO its better than the supah and mauler is cuz I have both and this type of valve blows them away. Also this valve can be taken to higher pressures for I have had it up to 225 psi with no problems. If using a different chamber probably even higher!


thanks man!!!
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Unread postAuthor: 8tonsemi » Wed Jun 13, 2012 6:54 am

You went that high on a pvc chamber?
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Unread postAuthor: Crna Legija » Wed Jun 13, 2012 7:40 am

8tonsemi wrote:You went that high on a pvc chamber?


If its rated for it and correctly glued why not, just be careful with it.
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Unread postAuthor: 8tonsemi » Wed Jun 13, 2012 7:58 am

I just don't want dangerous plastic shrapnel flying at me.
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Unread postAuthor: jsefcik » Wed Jun 13, 2012 9:13 am

cant you use a blow gun to fire it?


i like the blowgun look alot better
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Unread postAuthor: 8tonsemi » Wed Jun 13, 2012 9:24 am

Yes you can but around higher pressures I found that it leaks not around the connection but from the blowgun itself so I would personally just stick with the ball valve. Plus the ball valve exhausts the air a lot faster.
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Unread postAuthor: dewey-1 » Wed Jun 13, 2012 11:46 am

8tonsemi wrote:Yes you can but around higher pressures I found that it leaks not around the connection but from the blowgun itself so I would personally just stick with the ball valve. Plus the ball valve exhausts the air a lot faster.


You either have a faulty blowgun or installed wrong.
With these type of dual valves, they are designed for remote activation of up to 10 feet away using a 1/4 inch line.

The ball valve will have little difference in the speed of the main valve.
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Unread postAuthor: 8tonsemi » Wed Jun 13, 2012 11:49 am

Probably faulty because I installed like I install my others I guess i'll try it again with a different blow gun.
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Unread postAuthor: mattyzip77 » Wed Jun 13, 2012 12:36 pm

I have actually just put on a push button exhaust on my asco launcher that I got from McMasters. Works great. You can go as high as the pipe is rated for if you trust your solvent welding skills and well, have a set!!
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Unread postAuthor: 8tonsemi » Wed Jun 13, 2012 4:26 pm

I don't trust my solvent welding :D

Thats why I don't go that high of pressure lol. Do you use a compressor to get to that pressure and if you do what type?
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Unread postAuthor: mattyzip77 » Wed Jun 13, 2012 7:08 pm

I have a compressor to get me to 150-160 and I got the rest of the way with a bike pump. If you dont trust your solvent welding then why are you building cannons?? Its better to use to much than too little!!
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Unread postAuthor: 8tonsemi » Wed Jun 13, 2012 7:21 pm

I meant for that high of pressure.
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Unread postAuthor: mattyzip77 » Wed Jun 13, 2012 7:26 pm

8tonsemi wrote:I meant for that high of pressure.


edited
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Unread postAuthor: 8tonsemi » Mon Jun 18, 2012 2:16 pm

What do you guys think about the female piece on the gun is it to banged up and I have a black iron nipple on it what pressure would it be safe to.
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