SHORT TAKE-OFF AND LANDING AIRCRAFT Russian patent published in 2021 - IPC B64C9/20 B64C3/50 B64D27/24 

FIELD: aviation.

SUBSTANCE: short take-off and landing aircraft includes a fuselage (1) with a cockpit (2), a propulsion system including one propulsion engine, electric take-off and landing engines equipped with propellers and installed on the leading edge of the wing consoles (3) in areas not blown by the sustainer power plant. The aircraft has a wing (3) of high aspect ratio with developed mechanization, vertical (7) and horizontal (6) tail structures, chassis (8). Developed wing mechanization (3) includes droop noses (4) and multi-slotted flaps (5), having an area of ​​all their aerodynamic elements of at least 25% of the wing area (3) and extending to an angle of up to 90 °С. The total additional power of electric take-off and landing engines (10) is at least 40% of the maximum power of the cruise power plant. A control electric motor (11) with an impeller is provided, located behind the horizontal (6) tail structure. The impeller spinner axis is vertical. The electric take-off and landing engines (10) and the control electric engine (11) are powered by storage batteries.

EFFECT: invention is aimed at taking off and landing along a steep trajectory with a take-off and landing distance of not more than 50…60 m while ensuring the safety of take-off and landing of the aircraft.

1 cl, 4 dwg