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BlindsCRRAZZYCoaxail

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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BlindsCRRAZZYCoaxail

Unread postAuthor: blind909 » Sat Aug 23, 2008 1:03 pm

Ok, I have made ball valve pnuematics, sprinkler valve pnuematics, burst disk pnuematics, but never a piston cannon! But this cannon has a 2 foot 3 inch 1 1/2 inch chamber, and a 2 foot 1 inch barrel. It is piloted by a 1/4 inch ball valve, and filled through a shrader. The piston is superlight, and made of a Paul Sabastion Deodorant cap, like THIS ONE, And the sealing face is a pink IPOD Nano sleeve(2 of them).And the bumper is section of a pool noodle. It seals excelently at as little as 5 PSI! I have only tested it up to 20 psi, since the epoxy is still curing(thats why there isnt any nasty primer stains, I used some Quick Set epoxy,and it is rated to 1000 psi). And I was smoothing out the epoxy with my finger, and all of a sudden my finger started Burning like hell, I asked my dad why it did that, and he said it was just the chemical reaction of the 2 parts bieng mixed together. It has a OD painjob, and I have the stencil and paint for the number/letter combo on the side.

The color is actually really flat, but the camera flash made it look more glossy.

The stand is not taped on, but has tape around the 2 inch "clamp" pipe

The only tools used were a screwdriver, saw, and drill.
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Attachments
BlindsCrazyCoaxV3001.jpg
BlindsCrazyCoaxV3 002.jpg
BlindsCrazyCoaxV3 003.jpg
BlindsCrazyCoaxV3 004.jpg
BlindsCrazyCoaxV3Stand 001.jpg
Last edited by blind909 on Wed Sep 03, 2008 9:50 pm, edited 22 times in total.
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Unread postAuthor: Pilgrimman » Sat Aug 23, 2008 1:44 pm

:shock: Very clean. Nice build!
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Yeah, we wouldn't want to anger the bees, now would we??

I HATE YOU BEES! I HATE YOU BEES! I HATE YOU BEES!

LMAO Classic!!!! I love Family Guy!
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Unread postAuthor: blind909 » Sat Aug 23, 2008 1:55 pm

Pilgrimman wrote::shock: Very clean. Nice build!


Thanks
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Unread postAuthor: elitesniper » Sat Aug 23, 2008 2:29 pm

nice, but the only bad thing is if it breaks then you cant service it. :o
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Unread postAuthor: jonnyboy » Sat Aug 23, 2008 2:33 pm

Very nice build.

@elitesniper

The piston is made out of a cap Its so light I doubt you need a bumber.
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mobile chernobyl wrote:I can shoot a Canuter Valve off my '82 Chevy Ram F150 AT LEAST 3/4 Mile with 'ma cannon made of soup cans duct taped together, then I just squirt some bacardi 151 in the chamber and hold up my cigarrete lighta and WHOOSH! That thing flies at least 3/4 mile
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Unread postAuthor: blind909 » Sat Aug 23, 2008 2:50 pm

Worst thing just happend, my sealing face on my piston got sucked through the barrel. I will go out to homemdepot to get a male adapter and a threaded cap so It will be servicable, But I will have to cut off some of the chamber(which wont be a problem since I have a shitload of pilot volume, so I can afford to cut it down.
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Unread postAuthor: FishBoy » Sat Aug 23, 2008 3:02 pm

nice build what kind of stuff do you shoot with it?

also, get some damage pics plz!
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Unread postAuthor: blind909 » Sat Aug 23, 2008 3:03 pm

@FishBoy, read the post above you.
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Unread postAuthor: trollhameran » Sat Aug 23, 2008 3:24 pm

Nice build man, I like that it simply looks like a length on pipe :) just dont ask me why lol.

I take it if your giving it a black paint job, then you finally used all your blue paint :D
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Unread postAuthor: blind909 » Sat Aug 23, 2008 3:29 pm

trollhameran wrote:Nice build man, I like that it simply looks like a length on pipe :) just dont ask me why lol.

I take it if your giving it a black paint job, then you finally used all your blue paint :D


Not yet, But It will be used today to touch up my net gun :happy7:. The I will get the paint tommorrow, but wont paint it until I get a new cap( I had to saw it off to get my piston out. :evil:
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Unread postAuthor: trollhameran » Sat Aug 23, 2008 3:32 pm

Yeah sounds like a good idea to wait before you paint it, i recently made my first piston and I had so much trouble with it, so i was really glad that I only used compression fittings on it.
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Unread postAuthor: blind909 » Sat Aug 23, 2008 3:39 pm

trollhameran wrote:Yeah sounds like a good idea to wait before you paint it, i recently made my first piston and I had so much trouble with it, so i was really glad that I only used compression fittings on it.


I tried really hard to get the cap off. I used a hammer, I used a hairdryer, and I even soaked it in boiling water, but it wouldnt come off, so I had to saw it off, which was a good thing because now I have little to no pilot volume :P
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Unread postAuthor: trollhameran » Sat Aug 23, 2008 4:18 pm

It turned out well for you then. I am gong to try and reduce my pilot volume by filling the copper pipes with something, and then drilling a small hole through it. Im also going to experiment with a slightly different shape piston, which I think will improve the efficiency.
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Unread postAuthor: blind909 » Sat Aug 23, 2008 4:23 pm

trollhameran wrote:It turned out well for you then. I am gong to try and reduce my pilot volume by filling the copper pipes with something, and then drilling a small hole through it. Im also going to experiment with a slightly different shape piston, which I think will improve the efficiency.


For filling up the pipe, try GREAT STUFF, it really lives up to its name.
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Unread postAuthor: elitesniper » Sat Aug 23, 2008 4:42 pm

jonnyboy wrote:Very nice build.

@elitesniper

The piston is made out of a cap Its so light I doubt you need a bumber.
but still everything break under continuous use , and seams his piston just did :D
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