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Boeing’s folding wingtips get the FAA approval

The design, which will be incorporated in the world’s largest commercial planemaker’s Model 777-8 and 777-9 models, would allow the bigger wings to fit into the standard-sized airport parking space.

The concept is so new and commercial aircraft design standards didn’t anticipate the product, US regulators had to come up with a new set, according to Bloomberg. On Friday, the Federal Aviation Administration approved those special conditions for the foldable wings.

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The feature will help reduce the wingspan to 212 feet from 235 feet when folded during ground operations.

Twin-engine, long-haul aircraft seating around 350 to 410 passengers is seen as the industry’s next big battle with both Boeing and rival Airbus competing for a potential market of several thousand.

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About wingtip

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Once the new planes touch down, the tips of the wings will rotate until they’re pointed skyward, which will make it the only commercial jet in widespread use with such a hinged design. A set of locking mechanisms will make it impossible for them to retract while airborne, according to the company.

Image result for boeing 777x folding wingtip

A new CFRP wing would be 213 or 225 ft; 2,560 or 2,700 in (65 or 68.6 m) wide with blended winglets, or up to 233 ft 5 in (71.1 m) with raked wingtip for a 10% larger wing area. It would fall into ICAO aerodrome code F like the 747-8 and A380 but with 22 ft 6 in (6.9 m) folding wingtips it would stay within the 213 ft 4 in (65 m) code E like current 777s. Horizontal stabilisers would be extended.

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