A helicopter rotor system is what provides lift and propulsion to a rotary-wing aircraft, generally consisting of several blades attached to a hub which rotates around a central mast. As helicopters may vary in their design, application, and more, it is common for such aircraft to feature different types of rotors to accommodate their unique needs. In general, rotor systems can be classified into five types based on their design and configuration, and we will provide a brief overview of each to help you become more familiar with the diverse designs of helicopter lift-producing systems. Read more >>