Figure 5.

Parameters used in the calculation of the non-dimensional radius of the second moment of wing area, RSM (see main text). R represents wing length, while r is the radius of the wing at a certain point along the wing length and also involves a wing chord c.

Outomuro et al. BMC Evolutionary Biology 2013 13:118   doi:10.1186/1471-2148-13-118
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