Blended wing aircraft could slash carbon emissions. California-based JetZero aims to put one into service by 2030.
The basic design of commercial airplanes hasn’t changed much in the past 60 years. Modern airliners like the Boeing 787 and the Airbus A350 have the same general shape as the Boeing 707 and the Douglas DC-8, which were built in the late 1950s and solidified the “tube and wing” form factor that is still in use today.
says that this shape “helps to increase fuel economy and creates larger payload areas in the center body portion of the aircraft.” The agency has tested it through one of its experimental planes, the X-48. Over about 120 test flights between 2007 and 2012, two unmanned, remote-controlled X-48s demonstrated the viability of the concept.
and Airbus quoted a more modest 20% for their designs, while the US Air Force says a blended wing aircraft could “improve aerodynamic efficiency by at least 30% over current Air Force tanker and mobility aircraft.” “It’s important to note that while a blended wing body can reduce drag and increase fuel efficiency, the actual benefits depend on the specific design, configuration, and operational conditions,” says Bailey Miles, an aviation analyst at consulting firm AviationValues.
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