MULTI-DECK AIRPLANE WITH LOWER ARRANGEMENT OF WINGS Russian patent published in 2017 - IPC B64C1/26 

FIELD: aviation.

SUBSTANCE: multi-deck airplane with a lower arrangement of wings refers to airplanes with structural elements common to the fuselage and wings, and is designed to carry a large number of people and cargo. It contains a fuselage, inside which cabins and cargo compartments are accommodated deck-by-deck and connected by staircases, and lifting wings. The lifting wings are fixed under the fuselage on the deck wing holders, i.e. bevels on the left and on the right of the fuselage. The profiles of wing holder-bevels are convex upward and flat or concave in the downward direction.

EFFECT: increased resistance in flight.

1 dwg