Why Doesn’t The World’s Fastest Commercial Aircraft Have Winglets?

The Boeing 747-8 is the largest, newest, and most aerodynamically advanced 747. The aircraft has a wingspan stretching 224 feet 7 inches (68.4 m) and features redesigned airfoils and raked wingtips that reduce induced drag and improve fuel efficiency by up to 16% compared with the 747-400.…

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