McCready Theory Used by Birds

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This research describes the soaring techniques of falcons and storks in thermaling and descending flight (climbing and running). Looks like good old evolution has found out about Paul McCready's insights already many million of years ago, is anybody surprised?
http://angel.elte.hu/thermalling/main/files/comparing.pdf

Herb

[Sean F (F2)]

That is amazing research. Thanks. Fun read.