UNMANNED HEAVY HELICOPTER AIRCRAFT Russian patent published in 2018 - IPC B64C27/24 

FIELD: aircrafts.

SUBSTANCE: invention relates to the field of aircraft engineering, in particular to the design of unmanned roadable aircraft. Unmanned heavy helicopter-aircraft (UHHA) has at the ends of the wing bearing screws with reducers and engines of power plant (PP), connected by connecting shafts, which lead to rotation of propellers and bearing screws, placed in front of engine body and above them at wing pyllers, it also ha fuselage and tail unit. UHHA is equipped with two systems with a variety of screws in propulsion-steering (PSS) and cross-bearing doubled (CBDS) in a completely symmetric and synchronous-balanced scheme. CBDS includes at wingtips of a closed structure (WCS), which, when seen from above, is a rhomboid configuration, two pairs of coaxial with the opposite rotation of single-blade large propellers, providing lifting force when doing hanging, vertical takeoff and landing or hovering craft, and a twin-screw dynamic light scattering with drafting smaller screws mounted at consoles of V-shaped front horizontal tail unit (FHTU), having sweepward along the leading edge and complex elevons.

EFFECT: reduction in the required power for longitudinal balancing with hovering and improvement in longitudinal control are ensured.

3 cl, 1 dwg, 1 tbl