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First Poly Piston Gun - Black Gold.

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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First Poly Piston Gun - Black Gold.

Unread postAuthor: Mitchza89 » Fri Jun 06, 2008 11:47 pm

This is my latest creation. I decided to make a piston valve using entirely out of poly pipe fittings. I think the gun itself turned out quite well. I wanted to make something that could be pulled apart and stuck into a bag, but I also wanted to be able to change the barrel/chamber of the gun. It's just about finished. I had a blowgun actuating it and it worked quite well, but I want to add a modded sprinker valve and add a small stock.

Anyway, enjoy :D.

(It still needs a bit of a clean up...)
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Unread postAuthor: FordGtMan » Sat Jun 07, 2008 12:04 am

Looks really good mitchza. The new barrel(hopefully longer) will improve performance a lot. What pressures do you run it at?
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Unread postAuthor: battlemonkey » Sat Jun 07, 2008 12:59 am

Good looking, nice simple gun. What are you using for ammo :?:
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Unread postAuthor: Carlman » Sat Jun 07, 2008 1:17 am

nice one mate!!

gotta love bunnings :D
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Unread postAuthor: Mitchza89 » Sat Jun 07, 2008 4:26 am

Cheers alot guys. I plan to run it at 200+ psi so it should have a fair bit of kick. I've got a 1m barrel that I'll use marbles for. I'm happy with it :D.
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Unread postAuthor: SpudFarm » Sat Jun 07, 2008 4:38 am

good work!

looks good :)
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Unread postAuthor: Mitchza89 » Sat Jun 07, 2008 4:40 am

Thanks mate. :D
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Unread postAuthor: SpudFarm » Sat Jun 07, 2008 4:46 am

paintball barrel + 50psi should be safe :)
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Unread postAuthor: Mitchza89 » Sat Jun 07, 2008 4:49 am

50psi in a gun like that? That's child's play :D But as far as actual paintball goes, 50psi should get me velocities close to a paintball gun.
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Unread postAuthor: SpudFarm » Sat Jun 07, 2008 4:50 am

that was what i meant.. you can have a nice war :)
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Unread postAuthor: Carlman » Sat Jun 07, 2008 4:52 am

spudfarm wrote:paintball barrel + 50psi should be safe :)


this stuff is poly pipe mate, its good to 500 :D
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Unread postAuthor: jackssmirkingrevenge » Sat Jun 07, 2008 4:53 am

Very nice, and at elevated pressures the performance should really be something, los damage pics por favor!
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Unread postAuthor: SpudFarm » Sat Jun 07, 2008 4:58 am

ohh you don't ynderstand :P

if you use just 50psi you can use it just like a normal paintball gun :)
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Unread postAuthor: Carlman » Sat Jun 07, 2008 5:11 am

spudfarm wrote:ohh you don't ynderstand :P

if you use just 50psi you can use it just like a normal paintball gun :)


lol ah k getcha now

but if you want to obliterate something you go high :D
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Unread postAuthor: Mitchza89 » Sat Jun 07, 2008 5:30 am

500psi?! Damn... I didn't know this stuff was rated that high. I saw a sticker on a piece of poly (not the one I got) but it said only 1750kpa :( I mean that's bloody terrible...

I've got a coax bb gun that uses a 600mm piece of 1/2'' poly, and it's holding perfectly at 300psi so I'm not sure :?

Cheers for all the comment's lad's :D
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