Trebuchet
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A trebuchet is a type of catapult that uses a hinged arm with a sling attached to the tip to launch a projectile. It was a common powerful siege engine until the advent of gunpowder. The design of a t
Replica counterweight trebuchets at Château de Castelnaud
Counterweight trebuchet used in a siege from the Jami' al-tawarikh, c. 1306–1318
The onager was a torsion powered weapon used in Europe from the 4th until the 6th century AD
Wheeled whirlwind traction trebuchet from the Wujing Zongyao
Onager (weapon)
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The onager was a Roman torsion-powered siege engine. It is a type of catapult commonly depicted with a bowl, bucket, or sling at the end of its throwing arm. The onager was first mentioned in 353 AD b
Trebuchet
…retronyms), not used by contemporary users of the weapons. The term traction trebuchet was created mainly to distinguish this type of weapon from the onager, a torsion powered catapult that is often conflated in contemporary sources with the mangonel, which was used as a generic term for any medieval stone…
Onager with a bowl bucket