Ducted single-propeller saucer-shaped unmanned aerial vehicle

The invention relates to a ducted single-propeller saucer-shaped unmanned aerial vehicle which is characterized in that the upper end part of a landing gear is fixed with a duct, the upper end part of the duct is provided with a frame, the middle part of the frame is provided with a power plant arranged along the central axis of the duct, fuel tanks are symmetrically arranged at two sides of the power plant above the frame, the power plant is connected with a propeller arranged at the upper part in the duct by a propeller shaft, swirl-reducing fixed control surfaces which are uniformly and circumferentially arranged are installed between the inner wall at the lower part of the duct and the outer wall of a main hold, the vertical front and back ends at the bottom of the duct are symmetrically provided with a group of air flow nozzle rudders respectively, the lateral left and right ends at the bottom of the duct are symmetrically provided with a group of air flow nozzle rudders respectively, avionics are arranged in the duct, and an autopilot is installed in the main hold. The invention is economical and practical and has the advantages of compact structure, reasonable design, very good concealment, high flight efficiency, fuel saving, convenient maintenance and strong adaptability. In addition, the invention can take off and land vertically, hover, whirl and fly with low noise at any place.