This is a trebuchet, a gravity-powered medieval siege engine. #shorts

This is a trebuchet, a gravity-powered medieval siege engine. A heavy counterweight falls on the short arm, the long arm whips upward with a sling, and the projectile launches in a long arc. Modern hobby builds at the U.S. Punkin' Chunkin' championship send pumpkins 600 feet using just 300 kg of counterweight. Historical industrial trebuchets with 18-tonne counterweights threw 100 kg stones nearly half a kilometer. The unsolved engineering puzzle is the sling release - the millisecond when the rope leaves the hook at the end of the arm. Get it wrong and the projectile slams into the ground 5 meters away. UK enthusiast Hew Kennedy built a trebuchet with an 18,000 kg counterweight, and to this day refuses to show anyone his trigger design. Video author unknown. If you are the author (or rights holder), please contact us. #facts #engineering #history #physics

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