Pneumatic System Using 1/4 Inch Steel Balls

Show us your pneumatic spud gun! Discuss pneumatic (compressed gas) powered potato guns and related accessories. Valve types, actuation, pipe, materials, fittings, compressors, safety, gas choices, and more.
byron555
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Wed Dec 18, 2024 8:48 pm

Hello, I own a 1/4 inch slide valve set combined with a QEV and would like to build or find an optimized semi-automatic loader to use with 1/4 inch steel balls. Any suggestions on what type of loader would be suitable? What should I look out for to ensure the loader operates reliably and does not jam the balls? Thanks.
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mark.f
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Fri Dec 27, 2024 10:22 pm

You could look at making a blow-forward bolt which uses the air from the main valve to operate. You can probably see how it works in this animation from clide or this project.
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