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Old 32mm project

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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Old 32mm project

Unread postAuthor: velocity3x » Fri Jul 15, 2011 9:03 pm

I was deleting old files today and I found these. This is a cannon I designed / built last year. The renderings were generated with SolidWorks from the CAD drawings I designed to machine the individual parts. It old stuff now but, it was a lot of fun then. I decided to deposit the renderings here for posterity.

BTW....I have a letter from ATF stating that this device is LEGAL.

Barrel sealing piston.
Bore: 1.250": x 42" (72" barrel not shown)
Chamber: 39in^3
Normal Operating Pressure: 1kpsi
Gas Supply: Continuous fill.
Gas: Nitrogen / Helium / HPA
Mag: Quick change tube / 32 rounds.
Projectile: 1.250" steel ball bearing, 2045 grains
ROF: 60rpm
Control: PLC (12-24vdc)
Material: Billet 6061-T6 / Barrel: DOM tube .250" wall.
Finish: Matte Black Oxide and Matte Black Anodize.
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Attachments
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n32-is,5.jpg (28.98 KiB) Viewed 578 times
n32-is,4.jpg
n32-is,4.jpg (28.42 KiB) Viewed 578 times
n32-is,3.jpg
n32-is,3.jpg (27.12 KiB) Viewed 578 times
n32-is.jpg
n32-is.jpg (32.56 KiB) Viewed 578 times
Last edited by velocity3x on Fri Jul 15, 2011 11:07 pm, edited 1 time in total.
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Unread postAuthor: Gippeto » Fri Jul 15, 2011 9:17 pm

Bad Ass...yeah...that's the correct phrase. 8)

Good stuff. :)
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Unread postAuthor: MrCrowley » Fri Jul 15, 2011 11:30 pm

ROF: 60rpm

Bad ass indeed.

Ever thought about making a hybrid? :D
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Unread postAuthor: velocity3x » Sat Jul 16, 2011 7:45 am

MrCrowley wrote:Ever thought about making a hybrid? :D


I've thought of it many times. With some minor internal changes (material substitution) this cannon could be converted to hybrid but, it would require a fast, continuous fuelling system. The problem is that I have no knowledge of fuels and fueling systems.
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