Measured and predicted cut-in speeds for the three blade geometries.
|Blade geometry||Measured||Predicted (0.2 Nm)||Predicted (0.5 Nm)|
|Original||6.2 m/s||3.7 m/s||6.2 m/s|
|Optimal||3.2 m/s||1.8 m/s||2.8 m/s|
|Linear||3.7 m/s||2 m/s||3.1 m/s|
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