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by Xenophile
Sat Sep 19, 2020 6:09 pm
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Yet another QEV and 3/2 valve cannon

Overview of FS resized.jpg My latest creation. As the title suggests, I using a QEV and 3 position 2 way valve with a 300 psi input from a regulated HPA paintball tank. I have two different barrels, one for 3/8 inch (9.5 mm) steel shot and another for .30 caliber steel shot. The 3/8 inch barrel is ...
by Xenophile
Thu Nov 26, 2020 11:36 am
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Re: Yet another QEV and 3/2 valve cannon

Thanks for the idea JSR! I continue to make more modifications and improvements to this thing. scoped.jpg For example, I've added a scope, and a proper laser sight (not shown, on the other side) for greater accuracy at longer ranges. snow with bolt action 2.jpg I've also added a proper bolt action/i...
by Xenophile
Wed Dec 30, 2020 1:44 pm
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Re: Ammo feeding for a QEV/popoff cannon

Thanks again, although I believe I've found a different solution. Crude magazine.jpg This is a crude magazine I've cobbled together with some brass pipe, compression springs, epoxy and heat shrink tubing. The capacity is about 50 .177 bbs. There's a large "L" shaped groove I cut to allow the followe...
by Xenophile
Sat Sep 02, 2023 4:09 pm
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DIY nerf rocket launcher

Air cannon overview.jpg I love target shooting, and continue to enjoy the hobby, and I also enjoying engineering and building new things. For my latest build, I wanted something powerful that I could also safely use at a park. Multi-shot capability was a requirement as I didn’t want to have to repr...