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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.
Reproductions of ancient Greek artillery, including catapults such as the polybolos (to the left in the foreground) and a large, early crossbow known as the gastraphetes (mounted on the wall in the background) Many attempts were made in modern times to reproduce the ancient artillery pieces, following their ancient descriptions, and to test them.
The enormous transport Syracusia possibly had the largest ship-mounted catapult of the ancient world, an 18-foot (5.5 m) machine that could fire arrows or stones up to 180 pounds (82 kg). [ 2 ] During the Siege of Syracuse (214–212 BCE) , the Greek defenders used a barrage of machines developed by Archimedes , including powerful stone ...
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 ...
The name comes from the Greek katapeltes (καταπέλτης), because it could pierce or 'go through' (kata) shields (peltas). The design was probably inherited, along with the ballista, from Greek armies. Some versions of the catapulta were portable. Smaller two-armed versions of the catapulta were known as scorpiones.
The gastraphetes (Ancient Greek: γαστραφέτης, lit. 'belly-releaser'), also called belly bow or belly shooter , was a hand-held crossbow used by the Ancient Greeks . [ 1 ] It was described in the 1st century AD by the Greek author Heron of Alexandria in his work Belopoeica , which draws on an earlier account of the famous Greek ...
A FBI document obtained by Wikileaks details the symbols and logos used by pedophiles to identify sexual preferences. According to the document members of pedophilic organizations use of ...
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