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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: mark.f » Wed Jun 06, 2007 8:00 am

Looks good. I like the fill system, but why do you have a male auto-coupling on the end of your air hose? Wouldn't it be leaking everywhere?

As for what PW stands for, it stands for potable water.
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Unread postAuthor: spanerman » Wed Jun 06, 2007 8:55 am

he could have a female on the hose with a male-male dohicky to join them.
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Unread postAuthor: simo » Mon Jun 11, 2007 9:44 pm

how did u get that style is that paint or sticker looks great
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Unread postAuthor: ammosmoke » Mon Jun 11, 2007 10:51 pm

Malted Barley wrote: ammosmoke: I know you are just trying to help, but could you please read all the posts above before you post something like that?


Nonono, I was talking to matt. He said that his valve said it was not for air pressure. Most valves will say this, as well as pipes. I am sorry if this caused confusion, I was just trying to clarify for matt, that as long as their pressure rating meets your desired height, it doesn't matter whether they are rated for water pressure or air pressure. I was not talking about your DWV parts.
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Unread postAuthor: Killjoy » Tue Jun 12, 2007 12:30 am

damn fine paintjob.
You might want to consider the possibility of making the ball valve spring actuated for a faster opening time, which means a little more power. just a thought
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Unread postAuthor: e1337 » Tue Jun 12, 2007 12:45 pm

Nice paint job. I like the design. But why a ball valve?
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Unread postAuthor: Matt221985 » Tue Jun 12, 2007 1:59 pm

what is your peoples problem with ball valves? Geez!, they work good, i use one. :x
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Unread postAuthor: turbohacker » Tue Jun 12, 2007 3:16 pm

B-E-A-utful!!!
I love the paintjob!!!
I would like to see a sprinkler valve, or mabee a burst disc!!
If you use a burst disc than you could put a spike on the bottom of your ammo so when you drop it into the barrel and it hit the disk... BOOM!!!
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<-- This is not a cat avatar

If it walks like a dog, sratches like a dog, and barks like a dog, than its probobly a...-TURTLE, it's a TURTLE!!! Cant you see?!!!

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Thats a beast!
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Unread postAuthor: MaltedBarley » Wed Jun 13, 2007 9:37 am

Thanks for the compliments guys,

ammosmoke: Sorry, for the confusion, I thought you were talking to me.

Killjoy: Yea, I have been looking at ways to make it spring-operated.

turbohacker: I've been researching burst disks a bit, and have decided that I'm going to go with them next for a more authentic mortar-like feel.

Cheers
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