How to Make a Powerful Coaxial Piston Cannon from Hardware Store Parts

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Click to go to article's parent site->>How to Make a Powerful Coaxial Piston Cannon from Hardware Store Parts
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This video shows how I make a compact 2" bore air cannon with a coaxial piston valve. To understand how these valves work examine the third animation in the ...
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Time: 08:38 More in Education
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