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ESDU 85006

1985 Edition, March 1, 1985

Complete Document

Contribution of wing dihedral to sideforce, yawing moment and rolling moment derivatives due to rate of roll at subsonic speeds, (Y sub p) sub gamma, (N sub p) sub gamma and (L sub p) sub gamma.



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Product Details:

  • Revision: 1985 Edition, March 1, 1985
  • Published Date: March 1, 1985
  • Status: Active, Most Current
  • Document Language: English
  • Published By: Engineering Sciences Data Unit (ESDU)
  • Page Count: 9
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

ESDU 85006 provides a method that relates the values of the dihedral contributions to the derivatives to the contribution of planform to the rolling moment due to rate of roll, which can be estimated from ESDU Aero A.06.01.01. The method is based on simple lifting-line and strip theory assumptions and applies to subcritical Mach numbers in attached flow on straight-tapered wings with taper ratio greater than 0.25, aspect ratio greater than 1.5 and quarter-chord sweep less than 60 degrees. Comparison between predicted and experimental results for one wing shows good agreement, and a practical worked example illustrates the use of the method.