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And a full auto version

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: farcticox1 » Tue Apr 16, 2013 6:17 pm

Go to my first post, Ammo is 1/4" steel ball bearings.
I thought about a spring, and it would look neater if the magazine tube was underneath, but I couldn't find any suitable springs and the spring would take up ammo space, so I let Lady Gravity do the work with a little air assistance.

My aim was to build it for $0, it really pained me to spend $1.50 on the laser pointer, but I thought what the hell.

And yes farcticox came from arctic fox, I was trying to think of a unique user name years ago and the wife says 'look at that farctic ox' (arctic fox) on the TV, and I said 'brilliant'

If you type farcticox in Google I am on the whole first page of results, it's all me in various forums.
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Unread postAuthor: farcticox1 » Wed Apr 17, 2013 4:36 pm

Here is the current setup with my new accumulator tank

Image
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Last edited by farcticox1 on Sat Jun 08, 2013 12:33 pm, edited 1 time in total.

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Unread postAuthor: farcticox1 » Wed Apr 17, 2013 5:00 pm

And here is the video



You can notice a couple of misfires between the second and third burst bouncing on the floor, must be when the pressure drops, but not enough to stop firing.
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Last edited by jrrdw on Sun Oct 20, 2013 1:11 pm, edited 1 time in total.
Reason: Fixed video.

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Unread postAuthor: sagthegreat » Sun Apr 28, 2013 7:22 pm

Any more updates on this?
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Unread postAuthor: farcticox1 » Mon Apr 29, 2013 4:58 pm

Got it in pieces at the moment, found some sweet stainless tube at work, 10mm od, 6mm id, going to change the barrel and ammo tube to fire airsoft bb's.

Also working on the sniper version at the same time. (my other post)
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Unread postAuthor: sagthegreat » Mon Apr 29, 2013 6:08 pm

can you show a picture of the damage?
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Unread postAuthor: farcticox1 » Tue Apr 30, 2013 3:57 pm

When I get it back together I will shoot up coke cans and see what it does.
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Unread postAuthor: farcticox1 » Sat Jun 08, 2013 11:59 am

So here is the final full auto, now firing 6mm airsoft bb's

Image

Ammo tube holds 100

Image


Add some 1/2" copper pipe and pvc pipe with lots of holes drilled in it


Image


Image

100 burst looks like this

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Last edited by jrrdw on Fri Oct 18, 2013 8:38 pm, edited 1 time in total.
Reason: Fixed video.

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Unread postAuthor: Zorlord » Sat Jun 08, 2013 12:54 pm

If you are still looking for a proper magazine spring for the airsoft bb's, you could purchase a cheap "mid cap" magazine off an online retailer and steal the spring out of the magazine.
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Unread postAuthor: sagthegreat » Sat Jun 08, 2013 12:56 pm

I always look forward to your work.. that is sexy
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Unread postAuthor: farcticox1 » Sat Jun 08, 2013 1:57 pm

Just got to add my laser pointer to it. I'm sure rate of fire is at least 6000/min, that 100 burst was under 1 sec.
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Unread postAuthor: django » Sat Jun 08, 2013 9:51 pm

Great work again! though ... Is it a pain in the ass to reload that thing!?
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Unread postAuthor: farcticox1 » Sun Jun 09, 2013 6:12 am

It takes a couple of minutes to fill the tube for 1 second of fun.
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Unread postAuthor: Brian the brain » Sun Jun 09, 2013 8:09 am

You could wrap the ammo tube around to make it more compact.
It'll work just as well.

...and add a T and removable endcap for filling.
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Gun Freak wrote:
Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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