Wing Download Results from a Test of a 0.658‐Scale V‐22 Rotor and Wing

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Abstract:

A test of a 0.658‐scale V‐22 rotor and wing was conducted in the 40×80 Foot Wind Tunnel at Ames Research Center. One of the principal objectives of the test was to measure the wing download in hover for a variety of test configurations. The wing download and surface pressures were measured for a wide range of thrust coefficients, with five different flap angles, two nacelle angles, and both directions of rotor rotation. This paper presents these results, and describes a new method for interpreting wing surface pressure data in hover. This method shows that the wing flap can produce substantial lift loads in hover.

Document Type: Research Article

DOI: http://dx.doi.org/10.4050/JAHS.37.58

Affiliations: NASA Ames Research Ctr., Moffett Field, Calif.

Publication date: October 1, 1992

More about this publication?
  • The Journal of the American Helicopter Society is the world's only scientific journal dedicated to vertical flight technology. It is a peer-reviewed technical journal published quarterly by AHS International and presents innovative papers covering the state-of-the-art in all disciplines of rotorcraft design, research and development. (Please note that AHS members receive significant discounts on articles and subscriptions.)

    Journal subscribers who are AHS members log in here if you are not already logged in.

    Authors can find submission guidelines and related information on the AHS website.

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