Firing angle can be controlled by releasing the projectile from the sling (done through a rope or pulley) at the desired moment. Once it is released, the machine works like a two-armed (first-class) lever, using the mechanical advantage principle with the counterweight arm being the shorter one, which enables the machine to give the projectile considerable speed. the counterweight lifted from the ground. On the shorter end of the arm a counterweight is fixed, on the longer, a sling that holds the projectile. The mechanism consists of a long, usually wooden, arm mounted on an axle in a wooden frame.
a wound rope, much like an oversized crossbow), in that it uses the leverage principle to launch the projectile. Technically a class of catapult, trebuchet differs from most other catapults, which use torsion (i.e. The trebuchet is the heaviest of the early-medieval siege engines. In Inheritance, no technical description beyond that cited above is given. Please note that this section is based on the real-world machine called the trebuchet. However, Eragon managed to destroy many of them by taking over the minds of the guards standing near the trebuchets and forcing them to hack through the ropes which held the trebuchets' arms in place. The Broddring Empire's trebuchets caused terrific damage to the Varden's army during the Battle of The Burning Plains. When a certain rope was undone, the trebuchet's wooden arm would hurl the barrel into the oncoming ranks of the enemy soldiers. A long wooden arm with a basket at the end was fastened with a system of ropes and gears to a strong wooden platform, which was mounted on wheels, enabling the trebuchet to shoot a projectile, such as a barrel of liquid fire, placed in the basket a long distance.
A trebuchet was a heavy siege engine used by the Broddring Empire.
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