Performance Measurement: One Sample Framework for Selecting Measurements. Â© Copyright Carter McNamara, MBA, PhD, Authenticity Consulting, LLC. Organizations try to manage the performance of each employee, team and process and even of the organization itself. The performance management process is very similar, regardless of where it is applied.
A trebuchet tends to be easier to build because it consists simply of a pivoting beam and a counterweight that rotates the beam through an arc. Catapults can launch things a fair distance -- 500 to 1,000 feet (150 to 300 meters) is common. It is surprising how much energy they can store. The gears are important, because they create a winch. The winch allows a person to put a great deal of energy into the catapult over a period of time.
It was usually quite difficult for an enemy to capture a castle, and for that, an attacking army needed siege engines. One of the most important and efficient siege engines was the catapult. The Roman Onager . The catapult was a weapon used since ancient times. In its most basic form, the catapult may be described as a âone-armed stone throwerâ. In the Roman world, a catapult-like siege engine known as the âonagerâ (meaning âwild assâ) was used when the Romans were besieging an enemy.