Video Air-powered 3D-printed potato... sure, let's call it a potato.... gun.

A shipyard I was working in always had beer:thirty at closing time. I'd occasionally hang out and have one, maybe two beers. The machine shop had been working on a "secret" project of a potato launcher that was unveiled one afternoon after work. This thing was beautiful--fully machined and TIG welded, piezo ignitor "trigger", about 4' long as I recall with a sizeable expansion chamber. The muzzle was chamfered sharply so it was easy to push a potato in.

The first shot was about a 3" Russet with a mild charge of White Rain (hairspray). "thoomp!" the potato went about 500' splashing into the bay. The next shot was about a 4" Russet with a full charge of WR. "THOOMP!" and that sucker went AT LEAST 1000'! :eek: I mean it turned invisible in the sky and way far off was a splash! :) The launcher was usually broken out only on Fridays after that. :)
 
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