Trebuchet Ballistics

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The trebuchet is a medieval rock-launching catapult used to destroy enemy fortresses. The basic principle is the conversion of the potential energy of a falling counterweight into the kinetic energy of an escaping projectile. The projectile fits in a pouch hanging on a sling. It is released by the operator at a critical moment to start its ballistic flight. The path of the projectile consists of two phases:
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Contributed by: Erik Mahieu (December 2015)
Open content licensed under CC BY-NC-SA
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References
[1] D. B. Siano. "Trebuchet Mechanics." (Mar 28, 2001) www.aemma.org/training/trebuchet/trebmath35.pdf.
[2] Wikipedia. "Trajectory of a Projectile." (Dec 8, 2015) en.wikipedia.org/wiki/Trajectory_of_a _projectile.
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