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Produced 68 examples of the Model 18-A autogyro at Muncie, Indiana during 1960s, as slightly modified version of Umbaugh light two-seat autogyro (developed 1957-1962). |
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Produced 68 examples of the Model 18-A autogyro at Muncie, Indiana during 1960s, as slightly modified version of Umbaugh light two-seat autogyro (developed 1957-1962). |
