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A blended winglet is attached to the wing with a smooth curve instead of a sharp angle and is intended to reduce interference drag at the wing/winglet junction. A sharp interior angle in this region can interact with the boundary layer flow causing a drag inducing vortex, negating some of the benefit of the winglet.
During the late 1990s, Boeing considered replacement aircraft programs due to slowing sales of the 767 and 747-400.Two new aircraft were proposed. The 747X would have lengthened the 747-400 and improved efficiency, and the Sonic Cruiser would have achieved 15% higher speeds (approximately Mach 0.98) while burning fuel at the same rate as the 767. [2]
A rendering of the US Air Force blended wing body aircraft project. A blended wing body (BWB), also known as blended body, hybrid wing body (HWB) or a lifting aerofoil fuselage, [1] is a fixed-wing aircraft having no clear dividing line between the wings and the main body of the craft. [2] The aircraft has distinct wing and body structures ...
This entity licenses the Blended Winglet Technology for use on Boeing aircraft. [3] Starting with the Boeing Business Jet, winglets have been factory installed onto the Boeing 737 Next Generation as well as retrofitted on 737 'Classic' (Boeing 737-300 and -500) and 757 and 767-300ER airliners. [4]
The largest passenger plane to land in Antarctica in history touched down on a snow-filled runway, opening the remote region up to new possibilities. The Norse Atlantic Boeing 787 Dreamliner ...
Feb. 25—The Boeing 787-9s are more fuel-efficient, capable of traveling greater distances. The arrival of Hawaiian Airlines' first Boeing 787-9 Dreamliner marks a milestone in the airlines' 94 ...
An early example of the closed wing was on the Blériot III aircraft, built in 1906 by Louis Blériot and Gabriel Voisin. The lifting surfaces comprised two annular wings mounted in tandem. The later Blériot IV replaced the forward annular wing with a biplane and added a canard foreplane to make it a three-surface aircraft. It was able to ...
President Donald Trump toured a Boeing plane on Saturday to highlight delays in delivering new Air Force One aircraft, said the White House. The president negotiated with Boeing for a pair of new ...