Giant air cannon in action - GIF

Giant air cannon in action. Not exactly sure what practical application this has.

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Previously:

https://www.homemadetools.net/forum/...381#post131389
https://www.homemadetools.net/forum/...551#post128152
https://www.homemadetools.net/forum/...2756#post97065
https://www.homemadetools.net/forum/...794#post119004
https://www.homemadetools.net/forum/...803#post119059
https://www.homemadetools.net/forum/...230#post116025
https://www.homemadetools.net/forum/...5803#post82569

Very handy if you are being attacked by a stack of cardboard boxes.

I saw, but can't find, a video of soldiers loading an Airzooka with a fart and sending it across a tent to an officer on the other side.

So, it's also good for finding yourself getting unpleasant duties. :)

in my line of work, air cannons are used to shake or dislodge buildup or stagnant flows in bins. If you had a large bin/silo full of grain/ore/particulate which was sticking to the walls of the bin, or not flowing through the bin due to a change in material properties (humidity, hardness, surface changes) then an air cannon acts a bit like a hammer on the side to shake the wall, and dislodge stagnant material.