Wing Mean Geometric Chord

It is also widely known as the Wing Mean Aerodynamic Chord. It is the chord of an equivalent untwisted, unswept and non-tapered wing, for which the total lift and pitching moment are essentially equal to the lift and pitching moment on the actual wing.

For general planform, the mean geometric chord can be determined from:

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In the software, the equation for straight-tapered wings is used:

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See Graphic