Wet wing

Wet wing

A wet wing is an aerospace engineering technique where an aircraft's wing structure is sealed and used as a fuel tank. By eliminating the need for fuel bladders, aircraft can weigh less and offer improved performance.

Wet wings are common among most civilian designs, from large transport aircraft, such as airliners, to small general aviation aircraft. Because the tanks are an integral part of the structure, they cannot be removed, and require access panels for routine maintenance and visual inspections.


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