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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 ...
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.
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."
The EMALS uses a linear induction motor (LIM), which uses alternating current (AC) to generate magnetic fields that propel a carriage along a track to launch the aircraft. [5] [6] The EMALS consists of four main elements: [7] The linear induction motor consists of a row of stator coils with the same function as the circular stator coils in a conventional induction motor.
Olena Ruban/Getty Images. 4. Incompatible: Taurus and Aquarius. The zodiac’s bull is stable and predictable, especially in matters of the heart.That can spell romance and reliability for some ...
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Stevie Nicks is still mourning the loss of Christine McVie. "Chris was my first best friend that I lost," Nicks recently told PEOPLE in an email interview of her longtime Fleetwood Mac bandmate.
Maryland is reportedly the only state without a National Guard flying mission next year, due to U.S. Air Force plans to convert the state's existing squadron into one with cyber responsibilities ...