Patent 11603195 was granted and assigned to Aurora Flight Sciences Corporation on March, 2023 by the United States Patent and Trademark Office.
Aircraft having hybrid propulsion are disclosed. A disclosed example propulsion system for an aircraft. The propulsion system includes an engine, an electric motor, a first propeller mounted to an aerodynamic body of the aircraft, the first propeller driven by the engine, a second propeller mounted to the aerodynamic body and positioned outboard relative to the first propeller, the second propeller driven by the electric motor, and a selector to control whether the propulsion system is operated in a hybrid mode in which the first and second propellers are driven.