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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.
A catapulta was a Roman machine for throwing arrows and javelins, [1] [2] 12 feet (3.7 m) or 15 feet (4.6 m) long, at the enemy. The name comes from the Greek katapeltes (καταπέλτης), because it could pierce or 'go through' (kata) shields (peltas).
Ancient Greek technology developed during the 5th century BC, continuing up to and including the Roman period, and beyond. Inventions that are credited to the ancient Greeks include the gear, screw, rotary mills, bronze casting techniques, water clock, water organ, the torsion catapult, the use of steam to operate some experimental machines and ...
The catapult, the account of which has been translated from the Greek several times, was quadrangular, with a wide base but narrowing towards the top, using large iron rollers to which were fixed timber beams "similar to the beams of big houses", having at the back a sling, and at the front thick cables, enabling the arm to be raised and ...
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 ...
The bronze spring catapult made by Philo of Byzantium in the late 3rd century B.C. The first launching machines —mere crossbows or already based on torsion— were invented in 399 B.C. by the Greek engineers that Dionysius I had sent to Syracuse to undertake the fight against the Carthaginians.
Incendiary and flaming weapons were used in warfare for centuries before Greek fire was invented. They included sulfur-, petroleum-, and bitumen-based mixtures. [3] [4] Incendiary arrows and pots or small pouches containing combustible substances surrounded by caltrops or spikes, or launched by catapults, were used in the Greco-Roman world.