Image: Bluebottle (Physalia physalis) sail camber
Description: Bluebottle (Physalia physalis) sail camber Bluebottle course at zero angle of attack is dependent on the sail camber. Panel (a) shows a bluebottle with no camber sailing straight downwind with sail parallel to the wind direction. Panel (b) shows a bluebottle with camber. Due to the curvature of the sail, even at zero angle of attack, the bluebottle course will diverge from the wind direction.
Title: Bluebottle (Physalia physalis) sail camber
Credit: [1] doi:10.5194/os-17-1341-2021
Author: Daniel Lee, Amandine Schaeffer and Sjoerd Groeskamp
Usage Terms: Creative Commons Attribution-Share Alike 4.0
License: CC BY-SA 4.0
License Link: https://creativecommons.org/licenses/by-sa/4.0
Attribution Required?: Yes
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_sail_camber.png){kind=link}