RETURN MULTIMODE PILOTLESS AIRCRAFT WITH CHANGEABLE STATISTIC MARGIN Russian patent published in 2010 - IPC B64C39/00 

FIELD: air transport.

SUBSTANCE: aircraft is made as per low-wing aircraft model; it includes frame, wing, fins, power plant, on-board system and target load. The frame is made of three parts: nose, central and aft sections. Flow energiser is installed from leading edge of nose section up to leading edge of inboard rib. At the bow rib of the central section there is movable canard surface made in the form of grill wing. Aircraft wing is formed by two removable planes and belly section of the aircraft central section; it has front edge with at least one breakdown in plane and straight back edge. Twin-fin empennage with flare angle of 40 degrees. Power plant uses airo-jet engine. Removable wing planes and empennage fin are installed at the central section and the engine is installed inside the central part from aft bulkhead side; it is closed by the aft. Lateral air intakes are installed at the central section.

EFFECT: extension of aircraft speed range, improvement of controllability, maintainability and repairability.

4 dwg