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by jamessb
9 days ago
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Similarly, the kite article [1] states that: > The angle of attack, α, is the angle between the kite’s sail and the incoming wind. As α increases from zero, C_L increases approximately linearly until a critical angle (typically 12–18 degrees for flat surfaces), beyond which the airflow separates from the upper surface and the kite stalls (DT Online, 2024). The supporting reference is [2]; this doesn't refer to a linear releationship or a critical angle, but does say that the angle of attack is typically 20 to 30 degrees (contradicting the claim that a kite would stall if the angle is above 12-18 degrees). So I agree that this website does not seem trustworthy. Specific claims may or may not be correct, but they're not supported by the presented references. [1]: https://www.absurdlyoptimized.com/outdoors/kids-kite/#ref-7 [2]: https://wiki.dtonline.org/index.php/Kite_Design_Basics |
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