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Q:

How much lift can wings produce?

A:

An airliner wing may produce a pound of lift per square inch in level flight. That doesn't seem like much, but over the entire surface of the wings these pounds-per-square-inch add up. The wings of a Boeing 747 have a surface area of about 510 square meters (5,500 square feet) and can produce as much as 390 tons (850,000 pounds) of lift.

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Categories: Aerodynamics