AIRCRAFT WING Russian patent published in 2019 - IPC B64C3/14 

FIELD: aviation.

SUBSTANCE: invention relates to the aviation equipment. Wing of aircraft consists of center section, console, is made with extension λ=7–11, narrowing η=3-4.5 and with supercritical profiles. Wing is made with swept χ=36°, the leading edge of the wing at the top view is straight, the trailing edge is made with an influx, the relative thickness of the profiles has a value of about 14–15 % in the onboard section and decreases to 8–9 % in the end section, with positive swirling ε=2.5–2.7° in onboard section, end sections with negative swirling ε=-2 ÷ -3.7°. Shape of the lower surface of the profile is made with a section of strong curvature in the tail part of the profile.

EFFECT: invention is aimed at ensuring flight safety in the range of Mach numbers M=0,84–0,9.

1 cl, 6 dwg