Wing factory

The 777X’s wing, the largest composite part ever made for an aircraft, is produced in the new Composite Wing Centre at Everett. Mark Broadbent reports


Boeing employees inspect the carbon fibre on a 777X prototype wing panel before curing at the Composite Wing Centre at Everett.
All photos Gail Hanusa/Boeing

At 105ft (32m) long the Boeing 777X’s spars are the largest singlepiece carbon fibre reinforced plastic (CFRP) composite parts ever developed for an airliner. Along with the wing’s panels, the spars are produced at the new Composite Wing Centre (CWC) that Boeing has built specifically for the 777X at the Everett home of the Triple Seven.

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