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Semi auto barrel/ loader ideas

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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Semi auto barrel/ loader ideas

Unread postAuthor: Creator » Mon Jan 16, 2017 9:04 pm

Hey, new member that has been lurking for some time. I have a 1/4 in slide valve/qev combo and was wondering what the best semi auto type loader would be for 1/4 in steel balls.
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Re: Semi auto barrel/ loader ideas

Unread postAuthor: Ragnarok » Thu Jan 19, 2017 8:43 pm

I'd probably suggest a simple blow-forward bolt, as it's fairly reliable and works well for spherical ammunition like that, although it does increase the dead-space between the valve and projectile.

Blow-back loaders tend to need more fine-tuning, and a pneumatically operated bolt would be rather overkill for a small bore like that.
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Does that thing kinda look like a big cat to you?
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