Controlled vacuum collapse of rail car - GIF

Controlled vacuum collapse of rail car.

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Previously:

https://www.homemadetools.net/forum/...126#post125968
https://www.homemadetools.net/forum/...154#post115740
https://www.homemadetools.net/forum/...407#post127286

My junior high school science teacher did that with a gallon paint can. This would have impressed us much more :-P

Nice doodle for this rail car collapse.

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