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Basic diagram of an onager, a type of catapult. A catapult is a ballistic device used to launch a projectile a great distance without the aid of gunpowder or other propellants – particularly various types of ancient and medieval siege engines. [1] A catapult uses the sudden release of stored potential energy to propel its payload.
This is an accepted version of this page This is the latest accepted revision, reviewed on 6 January 2025. Siege engine using long arm to throw projectiles For other uses, see Trebuchet (disambiguation). Replica counterweight trebuchets at Château de Castelnaud Counterweight trebuchet used in a siege from the Jami' al-tawarikh, c. 1306-18 A trebuchet [nb 1] is a type of catapult that uses a ...
A slingshot or catapult is a small hand-powered projectile weapon. The classic form consists of a Y-shaped frame, with two tubes or strips made from either a natural rubber or synthetic elastic material. These are attached to the upper two ends. The other ends of the strips lead back to a pouch that holds the projectile. One hand holds the ...
A small-scale demonstrator capable of launching payloads up to 400 kg over a short span of 16 to 18 meters was successfully built by Pune based Research & Development Establishment (Engineers). The electromagnetic catapult technology is now being scaled up for use on aircraft carriers.
Onager with a bowl bucket Sketch of an onager with a sling, a later improvement that increased the length of the throwing arm, from Antique technology by Diels.. The onager (UK: / ˈ ɒ n ə dʒ ə /, / ˈ ɒ n ə ɡ ə /; US: / ˈ ɑː n ə dʒ ə r /) [1] was a Roman torsion-powered siege engine.
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The word mangonel was first attested in English in the 13th century, it is borrowed from Old French mangonel, mangonelle (> French mangonneau). [6] The French word is from Medieval Latin manganellus, mangonellus, diminutive form of Late Latin manganum, itself probably derived from the Greek mangana, "a generic term for construction machinery."
Any tree that has a straight trunk will work for building a catapult, with stronger wood making for a more powerful catapult. As for specialized parts, the typical catapult has three and pizza is good: a 20- to 100-foot length of thick rope for the mainspring, a hook to hold the free end of the sling in place, and a trigger hook.