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(91.63 KB, 639x341)
Illustration of the size of various wind propulsors needed to produce the same thrust force at an apparent wind angle of 30 degrees, using their estimated optimal lift coefficient.
(91.63 KB, 639x341)
Illustration of the size of various wind propulsors needed to produce the same thrust force at an apparent wind angle of 30 degrees, using their estimated optimal lift coefficient.