HELICOPTER Russian patent published in 2019 - IPC B64C27/04 B64D27/14 

FIELD: aviation.

SUBSTANCE: invention relates to aircraft engineering, particularly, to helicopters. Helicopter comprises fuselage with bottom, bearing screw on shaft connected via reduction gear with two gas turbine engines arranged in upper part of fuselage, having air intake, compressor, combustion chamber, turbine. In the lower part of the fuselage, an auxiliary gas turbine engine is installed vertically, having an air intake, a compressor, a combustion chamber, a turbine and a nozzle. Auxiliary gas turbine engine may be made birotating, containing birotate compressor and birotating turbine. Between the turbine and the nozzle of the auxiliary gas turbine engine an afterburner can be made. Safety platform is made on fuselage bottom.

EFFECT: safe landing at destruction of propeller.

7 cl, 10 dwg