UPDATED TODAY: Schmanman's steel piston rifle

31 posts

schmanman: Staff Sergeant 2; Posts: 1685; Joined: Sat Mar 25, 2006 12:28 pm; Location: Michigan,U.S.A; Contact:
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Sun Jan 13, 2008 12:31 pm

he he he..... mad max...... I like it!

would the holes be to shoot out of, or would it just be fitting /w/ the look of the gun?

Persistence is a measure of faith in yourself

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schmanman's steel piston bb rifle

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by schmanman » Tue Sep 26, 2006 8:11 pm » in Pneumatic Cannons
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This is my piston rifle. It easily shoots a slingshot BB through plywood or a can or two (those are slingshot bb's in the last two pics) at 155 psi....

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the bb rifle is now semi auto. I added a tee coming out from the place where the schrader valve used to be, with a gauge pointing back to...
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look out for my new piston rifle, which is under construction now. It is all steel, and the configuration is different than any thing that I know has...

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I'm not saying they are hard to make, I just finished my first T valve tonight and it works fine with no leaks. I'm just saying that doing something...
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(NEW PICS)schmanman's sniper rifle

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by schmanman » Thu Jan 11, 2007 5:38 pm » in Pneumatic Cannons
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ok, well, it is my bb rifle, but with a different chamber (bigger actually), a stock (obviously), a scope, and a longer barrel, sleeved to make it...

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geez... how cold is it there durring winter?
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by jhalek90 » Fri Nov 20, 2009 8:08 pm » in Pneumatic Cannons
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Here it is. my new baby.

This is a high pressure gun that i am building/using to test my new fridge compressor. Does any one know what kind of...

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piston is made from a high strength plastic rod stock, used to machine parts for light weight, but very impact resistant parts.
EDIT:

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I knew that a lot of you didn't want to wait until spring to see this, so I dragged it out, along with a heater light for the barrel, to take one...

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Mark, that GGDT is close, but not quite;
The pressure used was 470, not 450, the dead space is more like 10+ cubic inches, and the flow coefficient...
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Last post by DYI
Tue Jan 01, 2008 10:35 pm

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UPDATED TODAY: Schmanman's steel piston rifle

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