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A simple vacuum cannon can turn watermelon to slush in no time (VIDEO)

Thursday, March 16, 2017 1:42
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Often used in high school science experiments back in the day, this large scale vacuum cannon spits out 3-inch PVC end caps powered by atmospheric pressure only.

YouTuber Nighthawkinlight upsized his cannon using a length of 4-inch PVC pipe, painted and equipped with brass fittings for a vacuum line then mounted the whole thing on a simple wooden stand. Once the vacuum is built up and an aluminum foil “burst disk” seal is knocked out on one end, the other disk pops out explosively as the atmosphere fills the tube– dragging any projectile along for the ride.

“Watermelons turned out to be a very satisfying target,” he notes.

The post A simple vacuum cannon can turn watermelon to slush in no time (VIDEO) appeared first on


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