The purpose of the paper is to present some highlights of the broad NACA/NASA efforts throughout the years, with particular emphasis given to those results having special importance to aircraft users. Subjects covered include the rotor wake and vortex hazards, partial power descent and minimum speed for autorotation. Several aspects of ground effect are covered, including nonuniform wakes, nonlinear power and control effects in forward flight, and yaw control at near-hovering speeds.


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    Title :

    Operational implications of some NACA/NASA rotary wing induced velocity studies


    Contributors:

    Conference:

    Illinois Department of Transportation, Annual Midwest Helicopter Safety Seminar, 3rd, Joliet


    Publication date :

    1980-02-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English