Span efficiency factor for lift slope Calculator

The span efficiency factor eā‚ is a measure of how closely the actual lift distribution of a wing resembles an ideal elliptical lift distribution, which would minimize induced drag. šœ provides a way to account for the deviation of the actual lift distribution from the ideal elliptical distribution.Ā 

  • Lift distribution along wing span (šœ)
  • Span efficiency factor (e)

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