PROPELLER

A propeller is a device with blades that rotates to create thrust, propelling a vehicle through air or water. It works by converting rotational motion into linear motion, driven by an engine. Propellers are commonly used in aircraft, boats, and submarines. They consist of several blades attached to a central hub, which spins around an axis. The angle of the blades (pitch) determines the amount of thrust generated. In aviation, propellers provide the necessary lift and propulsion, while in marine applications, they push the vessel forward or backward. The efficiency and performance of a propeller depend on its design, including blade shape, size, and material.