An advanced-design 25-foot-diameter flightworthy proprotor was tested in the NASA-Ames Large-Scale Wind Tunnel. These tests, have verified and confirmed the theory and design solutions developed as part of the Army Composite Aircraft Program. This report presents the test results and compares them with theoretical predictions. During performance tests, the results met or exceeded predictions. Hover thrust 15 percent greater than the predicted maximum was measured. In airplane mode, propulsive efficiencies (some of which exceeded 90 percent) agreed with theory. (Author)


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    Title :

    Advancement of Proprotor Technology. Task 2: Wind-Tunnel Test Results


    Publication date :

    1971


    Size :

    222 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English