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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. Catapult effect - Wikipedia

    en.wikipedia.org/wiki/Catapult_effect

    In electromagnetics, the catapult description of magnetic forces refers to when a current is passed through a loose wire in a magnetic field. The loose wire is then catapulted horizontally away from the magnetic field. This occurs due to the Lorentz force acting on the electric current in the wire due to the magnetic field. [1]

  4. Slingshot - Wikipedia

    en.wikipedia.org/wiki/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 hand holds the ...

  5. Assisted take-off - Wikipedia

    en.wikipedia.org/wiki/Assisted_take-off

    F/A-18 attached to steam catapult preparatory to launch. A well-known type of assisted takeoff is an aircraft catapult. In modern systems fitted on aircraft carriers, a piston, known as a shuttle, is propelled down a long cylinder under steam pressure. The aircraft is attached to the shuttle using a tow bar or launch bar mounted to the nose ...

  6. Crossbows and Catapults - Wikipedia

    en.wikipedia.org/wiki/Crossbows_and_Catapults

    Crossbows and Catapults, also known as Battlegrounds, is a game of physical skill first released in 1983.It has since been published by several different game publishers including Lakeside, Alga (), Base Toys, Tomy and currently Moose Toys (under the name Battlegrounds Crossbows and Catapults).

  7. Takeoff and landing - Wikipedia

    en.wikipedia.org/wiki/Takeoff_and_landing

    Catapult launches aboard USS Ronald Reagan CATOBAR (catapult assisted takeoff but arrested recovery) is a system used for the launch and recovery of aircraft from the deck of an aircraft carrier . Under this technique, aircraft are launched using a catapult and land on the ship (the recovery phase) using arrestor wires .

  8. 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.

  9. Trebuchet - Wikipedia

    en.wikipedia.org/wiki/Trebuchet

    A trebuchet [nb 1] (French: trébuchet) is a type of catapult [5] that uses a rotating 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 trebuchet allows it to launch projectiles of greater weights and further distances than that of a traditional ...