UNMANNED FLYING VEHICLE Russian patent published in 1999 - IPC

FIELD: aeronautical engineering. SUBSTANCE: unmanned flying vehicle has toroidal fuselage and main rotor consisting of pair of coaxial rotors of opposite rotation creating lifting force necessary for vertical take-off and landing of flying vehicle. According to first version, flying vehicle is provided with external remotely controlled sensing device unit (250) for observation from the Earth surface. This unit may be folded in transportation position. Unit may be used for scanning in horizontal and vertical planes within preset elevation/depression angles. Flying vehicle is provided with foldable landing gear (300) for landing on unprepared areas. Landing gear (300) has several legs secured to toroidal fuselage by means of hinges. Hinges make it possible to stow landing gear in transportation position; each leg is retracted inside fuselage together with hinged pivot. EFFECT: possibility of remote observation. 16 cl, 10 dwg