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| Ryan YO-51 Dragonfly US Army Air Corps. The Ryan YO-51 Dragonfly was an observation aircraft designed and built by Ryan Aeronautical for the United States Army Air Corps (USAAC). A single-engined parasol wing monoplane, it was designed for optimum STOL capability, but although three prototypes proved highly successful in testing, the Stinson YO-49 was judged superior and no production contract was placed. |
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| Ryan YO-51 Dragonfly US Army Air Corps. |
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| Ryan YO-51 Dragonfly US Army Air Corps. |
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| This YO-51 incorporates fixed slots along the wing's leading edge. |
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| Ryan YO-51 Dragonfly US Army Air Corps. |
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| Ryan YO-51 Dragonfly US Army Air Corps. |
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| Ryan YO-51 Dragonfly observation aircraft on the ground during evaluation by the United States Army Air Corps. |
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| The first of three Ryan YO-51 Dragonfly prototypes (40-703) demonstrates its leading-edge slats and massive, full-span Fowler flaps during a spirited takeoff. 3 March 1941. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly prototype aircraft taking off, 3 March 1941. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
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| Ryan YO-51 Dragonfly. |
