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The never-before-seen technology has several advantages, but the idea stemmed from airport-gate space limitations and the 777X's huge wingspan.
Examples include the Boeing B-50 Superfortress and its folding tail. The Saab 37 Viggen and the Boeing 377 Stratocruiser have foldable rear fins that make them lower for entering hangars. The Boeing 777 (classic) twinjet wide-body airliner was offered with folding wingtips for confined airports, though this was never ordered. [9]
The Boeing 777X is the latest series of the long-range, wide-body, twin-engine jetliners in the Boeing 777 family from Boeing Commercial Airplanes.The changes for 777X include General Electric GE9X engines, composite wings with folding wingtips, greater cabin width and seating capacity, and technologies from the Boeing 787.
Raked wingtips are installed on the Boeing 767-400ER (first flight on October 9, 1999), all generations of Boeing 777 (June 12, 1994) including the upcoming 777X, the 737-derived Boeing P-8 Poseidon (25 April 2009), all variants of the Boeing 787 (December 15, 2009) (the cancelled Boeing 787-3 would have had a 170 ft (51.7 m) wingspan to fit in ...
Emirates is the biggest customer for the Boeing ... include revolutionary folding wingtips and be 10% more fuel-efficient than competitors. ... the European manufacturer's closest rival to the 777 ...
It's also the largest customer of the classic Boeing 777. The Boeing 777X is expected to offer 10% better fuel efficiency than its predecessors, thanks, in part, to its revolutionary folding wingtips.
Folding wingtips, 21 feet (6.40 m) long, were offered when the 777 was first launched, to appeal to airlines who might use gates made to accommodate smaller aircraft, but no airline purchased this option. [150] Folding wingtips reemerged as a design feature at the announcement of the upgraded 777X in 2013.
Boeing's highly-anticipated 777X will compete with rival Airbus' A350, featuring things like larger windows and more passenger seating. See inside Boeing's first-ever 777X aircraft testing tech ...