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working recoiling artilery gun carriage

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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working recoiling artilery gun carriage

Unread postAuthor: iknowmy3tables » Sat Jul 06, 2013 8:31 pm

well it has been awhile since I've been on this site but before the 4th of July I decided it would be appropriate to start another project for me and my buddies to play with. I believe I mention my interest in a recoiling spud gun carriage to control the recoil on my large cannon and a week ago I started work on just that.

I got together with my friend to think of ideas and develop a rough overall plan. he was quick to bring up a linear bearing system made from skateboard wheel bearings and right angle aluminum beams he even gave me the bearings and bolts.

on June 30 I completed the linear bearing system
on July 2 my and my friend spent 6 hours after work working on the gun carriage
on July 3 I completed the carriage but it was wet from the rain
on the morning of July 4 I painted the carriage and gun so it would dry before my friends arrived

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sights made from two sheets of plexiglass and adjusted by erasing and redrawing the sight picture with dry erase marker, it kinda works
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a few hits in the back yard fence, it's amazing how durable chain link fence is



here is a close up of the rail system and how it interacts with the skateboard ball bearings
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the right angle rails are secured to the using coupler sleeves with slots cut out that are glued to the chamber since any invasive securing method would compromised the chamber's integrity
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mobile redneck artillery unit ready to go
towed gun thumb.jpg (20.69 KiB) Viewed 1114 times
Last edited by iknowmy3tables on Sun Jul 07, 2013 10:07 pm, edited 3 times in total.

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Unread postAuthor: sagthegreat » Sat Jul 06, 2013 8:38 pm

I can almost imagine another american revolution of people towing cannons like those with lawn mowers to fortified positions lol.
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Unread postAuthor: iknowmy3tables » Sat Jul 06, 2013 8:42 pm

lol that would be awesome

here's a video of the thing in action
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Last edited by jrrdw on Fri Oct 18, 2013 8:00 pm, edited 1 time in total.
Reason: Fixed video.

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Unread postAuthor: Gun Freak » Sat Jul 06, 2013 9:25 pm

Very nice!!! Looks really smooth in the video and doesn't appear as though the recoil system would take away from its performance. Long time ago I had plans for this on a smaller scale, but it seems to really be worth it when dealing with large caliber and high power launchers. I love the whole setup. Nice job man :thumbright:
Those bearings look like Bones REDS...
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Unread postAuthor: hawktalk » Sun Jul 07, 2013 7:34 am

I'm scared .lol that's a monster nice cannon. camo paint job on the lawnmower and some razor wire rapped around a bodged bull-bar that will be so cool :D
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Unread postAuthor: Blitz » Sun Jul 07, 2013 9:23 pm

Well done sir. This is roughly how I intended to build my next project, although the gun returning to battery should be a bit smoother. :)
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Unread postAuthor: iknowmy3tables » Sun Jul 07, 2013 10:00 pm

I don't really mind the quick return to battery, I'd just like the long barrel to be more stable so I could do some precise shooting with this thing, my dream is to be plinking milk jugs at 100feet 8)
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Unread postAuthor: Blitz » Sun Jul 07, 2013 10:03 pm

I wasn't necessarily referring to speed -- it just seemed to shake around returning to battery.

And that's a good goal if I ever heard one. :)
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Unread postAuthor: jackssmirkingrevenge » Mon Jul 08, 2013 1:39 am

Very, very cool, kudos! And glad to see you're still knocking about :)
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