The giant water gun fired off the water at a speed of 437 km / h

The giant water gun was built by Mark Rober, a former NASA engineer, containing 7.5 liters of water. With the speed of water shooting up to 437km / h, this giant gun can cut a watermelon in half, making glass break so many people can not be surprised.

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The giant water gun fired off the water at a speed of 437 km / h Picture 1

Recently, Mark Rober showed off a giant water gun made by himself and a performance showing its tremendous devastation that made netizens extremely excited. In that video, Mark Rober also shared both CAD drawings and a list of materials needed to create a giant water gun for anyone who needed them. But you should not try to make or use this giant water gun because it can endanger everyone around you and yourself.

Water gun water gun

Jessica Tanner

Update 24 May 2019

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The giant water gun fired off the water at a speed of 437 km / h

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