Story thread · 2 reports / 2 sources
With Trebuchet: Tinkerer Accelerates 4g Projectile to Supersonic Speed
heise.de · 13h
With a counterweight of around 40 kg, engineer Tom Stanton accelerates a projectile to supersonic speed with a high-tech trebuchet.
First report: Engineer harnesses gravity to launch a 4-gram projectile at supersonic speeds — interestingengineering.com, 1d
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