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Mini Pneumatic

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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Mini Pneumatic

Unread postAuthor: chEEse » Tue Nov 23, 2004 7:46 am

<div align="center">MINI PNEUMATIC

This is a small pneumatic that I use to shoot AA batteries, fire crackers, potatos, bolts, darts, water, and whatever else I can find. The chamber is made from 1.5" sch-40 PVC and the barrel is .5" sch-40 PVC. The ball valve is .5" and opens easly and smoothly. To fill the chamber, I inserted an automotive schrader valve into the end cap. The chamber is rated for 330psi, but the most I have put in it is 180psi, with this much pressure and a quik flip of the valve, I can shoot a bolt through a metal coffee can.
</div>
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Side View
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small2.jpg
Valve and Muzzle Break
small2.jpg (76.92 KiB) Viewed 11185 times
all.jpg
Compaired to my other potato guns
all.jpg (61.92 KiB) Viewed 11185 times

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Unread postAuthor: aetherguy881 » Tue Feb 01, 2005 9:08 am

very nice design, and the metal ball valve looks good on it, and a sprinkler valve won't fit as far as I know... (no 1/2" sprinklers)
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Unread postAuthor: spudshot » Sat Mar 26, 2005 5:56 pm

you could go with a 1/2" asco solenoid valve or a 1/2" QEV
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Unread postAuthor: drac » Tue Jun 14, 2005 3:43 am

With a couple of bushings you could go from a 1/2 pipe to a 3/4 sprinkler valve, it could be a couple bucks, but going from 3/4 to a 1/2 would really constrict flow.
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Unread postAuthor: Aaron ????? » Tue Jun 14, 2005 4:34 am

but you would still have trouble getting it to thread so close to the barrell

damn bulky solenoid valve :x s i had the same trouble with mine i had to take the cover off the valve
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Unread postAuthor: CS » Tue Jun 14, 2005 11:50 pm

Do they make smaller selinoids? They proably do but they might be for another application.
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Unread postAuthor: drac » Wed Jun 15, 2005 2:38 am

I think that the smallest is a 1/4 in solenoid valve by Asco.
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Unread postAuthor: spudshot » Wed Jun 15, 2005 4:35 am

no, i've seen 1/8" solenoids, and a 1" probably wouldnt be in the way, just put it before the elbows, it should fit
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Unread postAuthor: CS » Wed Jun 15, 2005 1:38 pm

I ment do they make them more compact so there is not a thing that sticks out on the top. Thats what I dont like about selinoids there to bulky.
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Unread postAuthor: spudshot » Wed Jun 15, 2005 1:56 pm

screw em on upside down, that way they shouldnt be in your way as much
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Unread postAuthor: drac » Mon Jun 20, 2005 5:31 am

Or you could pneumatically mod the valve, although on the Asco's I don't think it's possible. By modding it you'd get rid of that ughly solenoig.
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Unread postAuthor: spudshot » Mon Jun 20, 2005 7:54 am

i think it depends on the size of the asco, the big ones can be modded, i saw a few chewy modded
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Unread postAuthor: Aaron ????? » Fri Jul 08, 2005 4:49 am

the smallest solenoid valves ive ever seen is 13mm it has 15mm threads on one side and a 13mm barbed fitting on the other im thinking of buying one but modding it would be hard because the whole top cover is the solenoid!! i might have to make a new top for it from plastic sheet

the thing i dont like about these 13mm valves is that they want me to buy them in a two pack for $45 and i only need one :x
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Unread postAuthor: aetherguy881 » Tue Jul 19, 2005 11:57 pm

where would you be able to buy valves THAT small :?:
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Unread postAuthor: spudshot » Thu Jul 21, 2005 1:20 pm

ebay
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