What we have here is complete instructions for making your own three-chambered t-shirt cannon. Chamber 1 is the largest and holds a supply of pressurized air. Chamber 2 is the power chamber. It accepts pressurized air from chamber 1 in preparation for firing. To fire, chamber 2 is isolated from chamber 1, and then chamber 2′s air is released into chamber 3 – the firing chamber. Chamber 3 is where you place the T-shirt to be launched. Here are the instructions:

This t-shirt cannon is very similar to a potato cannon, as seen in How Spud Guns Work. The advantage of a potato cannon is that it fires much farther. The disadvantage is that it takes a lot longer to reload a conventional potato cannon because you have to open it up refuel it. That problem could probably be solved with a small butane tank.

If you would like to take the t-shirt cannon a step further, here is a 9-barrel configuration mounted on a robotic platform:

See also: The potato gatling gun

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