Ames-Dryden-1 (AD-1) Oblique Wing

The AD-1 aircraft in flight with its wing swept at 60 degrees, the maximum sweep angle. The AD-1 aircraft was designed to investigate the concept of an oblique (pivoting) wing. The wing could be rotated on its center pivot, so that it could be set at its most efficient angle for the speed at which the aircraft was flying.

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