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  2. Catapult - Wikipedia

    en.wikipedia.org/wiki/Catapult

    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.

  3. Ballista - Wikipedia

    en.wikipedia.org/wiki/Ballista

    Historical accounts, for instance, cited that Philip II employed a group of engineers within his army to design and build catapults for his military campaigns. [4] [5] There is even a claim that it was Philip II with his team of engineers who invented the ballista after improving Dionysius's device, which was merely an oversized slingshot. [6]

  4. Trebuchet - Wikipedia

    en.wikipedia.org/wiki/Trebuchet

    This is an accepted version of this page This is the latest accepted revision, reviewed on 10 December 2024. 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 ...

  5. Onager (weapon) - Wikipedia

    en.wikipedia.org/wiki/Onager_(weapon)

    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.

  6. List of siege engines - Wikipedia

    en.wikipedia.org/wiki/List_of_siege_engines

    The Onager was a Roman torsion powered siege engine. It is commonly depicted as a catapult with a bowl, bucket, or sling at the end of its throwing arm. Trebuchet: 4th Century BC China: Similar to the catapult, but uses a swinging arm to launch projectiles. It is usually considered to be stronger than the catapult. [4] Oxybeles: 375 BC Greece

  7. The 30 Best 'Cool' Gifts for Teens in 2022

    www.aol.com/lifestyle/best-gifts-for-teens...

    This particular kit contains over 160 pieces that can be turned into a working catapult to launch the three included balls. There's also an alternate build, which means more bang for your buck ...

  8. Electromagnetic Aircraft Launch System - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_Aircraft...

    Developed in the 1950s, steam catapults have proven exceptionally reliable. Carriers equipped with four steam catapults have been able to use at least one of them 99.5% of the time. [1] However, there are a number of drawbacks. One group of Navy engineers wrote: "The foremost deficiency is that the catapult operates without feedback control.

  9. Slingshot - Wikipedia

    en.wikipedia.org/wiki/Slingshot

    Simple slingshot. 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 ...

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