US Patent 11834176 Blended wing body aircraft

There is disclosed a blended wing body aircraft including a center body having a lower side and an upper side opposed to the lower side. The center body has a central chord extending from a leading edge to a trailing edge of the center body. The lower side has a lowest point located between a first location forward of a pivot point about which the aircraft rotates during take-off and a second location aft of the pivot point. The first location is at a first distance corresponding to about 10% of a length of the central chord forward of the pivot point.