Flapping wing aircraft

The invention discloses an ornithopter, and belongs to the technical field of ornithopters. Comprising a fuselage, a flight control system and a flapping wing device, the flapping wing device is a flapping folding flapping wing device and comprises a driving motor and a pair of flapping folding motion mechanisms of the same structure, and each flapping folding motion mechanism comprises a flapping folding wing and a flapping folding driving mechanism; the flapping folding wing mainly comprises a flapping wing and a folding wing positioned at the outer end of the flapping wing; the flapping and folding driving mechanism comprises a flapping and folding driving mechanism mounting frame, and a guide shaft, a flapping driving mechanism and a folding driving mechanism which are arranged on the flapping and folding driving mechanism mounting frame; the flapping driving mechanism comprises an eccentric driving structure and a flapping driving arm; the folding driving mechanism comprises a synchronous driving gear, a