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paintball gun

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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paintball gun

Unread postAuthor: markdem » Tue Aug 01, 2017 9:16 pm

ive been fortunate enough to have access to a fairly well kitted workshop in my spare time and i decided to get my machining skills up with a little project.
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Re: paintball gun

Unread postAuthor: kevin-db » Mon Aug 07, 2017 12:23 am

Awesome!
What is the power source?
Co2 cartridge? Or do you connect the paintball tanks?
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Re: paintball gun

Unread postAuthor: jackssmirkingrevenge » Mon Aug 07, 2017 4:43 am

Welcome to the forum and excellent work! I'm curious about the rod/tube sticking out of the barrel shroud, does it pipe gas from the barrel to reload the mechanism? It looks like an inline valve but a diagram of how it functions would be appreciated :)

kevin-db wrote:Co2 cartridge? Or do you connect the paintball tanks?


It looks like a 12 gram adapter: https://www.aliexpress.com/12g-co2-adapter_reviews.html
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Re: paintball gun

Unread postAuthor: farcticox1 » Mon Aug 07, 2017 5:07 pm

Is it me or did it look nice in silver ?
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Re: paintball gun

Unread postAuthor: jackssmirkingrevenge » Tue Aug 08, 2017 10:57 am

farcticox1 wrote:Is it me or did it look nice in silver ?


Seconded
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Re: paintball gun

Unread postAuthor: Gippeto » Tue Aug 08, 2017 7:31 pm

Appears to be pump action. Nicely executed! 8)
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Re: paintball gun

Unread postAuthor: markdem » Wed Aug 09, 2017 6:10 pm

12g co2 cartridges. But i could connect it up to hpa if i really wanted. The tube/rod sticking out of the barrel shroud is just a linkage bewteen the pump handle(barrel shroud) and the bolt. I agree it definitely looks wicked cool in plain machined aluminium but i play 10-shot games and i need to be camouflaged to get as close as possible before taking a shot. So flat black spraypaint it is
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Re: paintball gun

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Re: paintball gun

Unread postAuthor: markdem » Wed Aug 09, 2017 9:34 pm

a lot of things changed throughout the build process. feed neck was added. barrel is clamped into place etc. but the basic mechanism remains the same. if you want to find out more about how the mechanism works, try googling "nelson valve animation". and yes, as you may have guessed, this is a nelson valve based pump action. all measurements are in decimal-inch form. any measurements left out of the diagrams are because i knew id have to be flexible to some degree, regarding tooling and available materials
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Re: paintball gun

Unread postAuthor: jackssmirkingrevenge » Fri Aug 11, 2017 5:53 am

any measurements left out of the diagrams are because i knew id have to be flexible to some degree, regarding tooling and available materials


I know where you're coming from :D

Great of you to post the drawings, again great job! Was this done on manual machines?

In case others are wondering about the mechanism, this is how it works:

Image

Basically an inline hammer valve like the Stealth/Talon.
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Re: paintball gun

Unread postAuthor: hectmarr » Fri Aug 11, 2017 10:53 am

Very good work and deluxe diagrams! With the animation of Jack, and the diagrams is very clear, especially for those who do not know so much. I really like this job! regards :bounce:
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Re: paintball gun

Unread postAuthor: markdem » Fri Aug 11, 2017 2:54 pm

Was this done on manual machines?


correct. a lathe with threading capabilities and a bridgeport.

and thank you all for the comments! much appreciated :)
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