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Boeing unveils features of upcoming long-range twin-engine jet

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Boeing unveils features of upcoming long-range twin-engine jet
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Webp boeing 777x
Boeing 777X | Official Website

The Boeing 777X, the latest in widebody commercial aircraft, is set to be the largest twin-engine aircraft ever flown. It builds on the previous generation 777-300ER with new engines, larger windows, and extensive use of lightweight composite materials. Integrating technologies from the Boeing 787 Dreamliner, it maintains a speed similar to other widebody aircraft.

"The reality of physics confines the Boeing 777X to the same speed range as its widebody counterparts," according to experts. Conventional tube-and-wing aircraft are designed as transonic jets, requiring significant engineering advances for supersonic flight.

The Boeing 777X will come in two variants: the 777-8 and the stretched 777-9. These models have seating capacities of 395 and 426 passengers respectively. The folding wingtip is one notable innovation that allows compliance with airport regulations while providing high-span efficiency.

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Boeing claims a "5% better aerodynamics than the rival A350-1000" due to these wingtips. While design innovations focus on efficiency rather than speed increase, both variants cruise at Mach 0.85, consistent with other widebodies like Airbus A350 and Boeing's own Dreamliner.

The GE Aerospace GE9X engines power this aircraft, boasting a fan diameter greater than that of a Boeing 737 fuselage. These engines promise increased fuel efficiency and quieter operation compared to previous generations.

Despite advancements in engine technology and aerodynamics, there is "nothing special about the Boeing 777X's cruise speed." It remains an efficient aircraft but not supersonic. The aviation industry largely focuses on fuel efficiency rather than increasing speeds beyond current transonic limits.

As Boom Supersonic works on bringing back supersonic travel with its Overture jet capable of Mach 1.7 speeds, it does not compete directly with Boeing's long-haul-focused designs like the 777X.

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