HELICOPTER Russian patent published in 2019 - IPC B64C27/04 B64C27/22 

FIELD: aviation.

SUBSTANCE: invention relates to aircraft engineering, particularly, to helicopters. Helicopter comprises a fuselage with a bottom, two coaxial screws on concentrically arranged shafts connected through a reduction gear to a gas turbine engine having an air intake, a compressor, a combustion chamber, a turbine and a nozzle. Gas turbine engine is made birotatory, containing birotatory compressor and birotatory turbine, installed in helicopter center of gravity. Between the turbine and the gas turbine engine nozzle the afterburner can be made. On the tail end there is a sustainer propulsor in the form of a pusher propeller. Fuselage can be equipped with front wings on which mid-flight engines are installed.

EFFECT: safe landing of helicopter with destruction of propeller.

9 cl, 12 dwg