US Patent 12084209 Rotorcraft

To provide a rotorcraft capable of improving flight efficiency. The rotorcraft according to the present invention is capable of moving forward along at least a first direction and comprises an arm part, a plurality of motors mounted on the arm part, and a rotary blade mounted on each of the motors. The rotorcraft is configured to have one or more motors one or more front motors located at a front side and one or more rear motors located at a rear side, wherein the output characteristics of a motor included in the front motor and the output characteristics of a motor included in the rear motor are different.