https://www.slashgear.com/2075444/why-boeing-777x-wings-fold/
The Boeing 777X is a massive aircraft that has folding wings, but it can't fly with them like that. Here's why the wings fold up and what purpose they serve.
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https://simpleflying.com/boeing-777x-folding-wings-how-it-works/
The Boeing 777X's innovative design feature has captured global attention. But how do these folding wings actually work?
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