The drone is a 115-pound, battery-powered twin prop-rotor aircraft that the company said can be scaled larger, “requiring hybrid-electric propulsion.” The company designed the vertical take ...

Multiple motors or ... The single rotor also means better efficiency compared to a multi-rotor with similar propeller disk area. The LIDAR comprises a full 50% of the drone’s weight and provides ...

Lockheed Martin's Sikorsky has successfully flown its "rotor blown wing" uncrewed aerial system in both helicopter and fixed-wing flight modes, it announced Monday. The 115-pound twin-prop drone ...