In my mind I have images of sail like blades. Would they not catch more wind if they were wider?
In: Engineering
As explained by others, wind turbines are…. turbines. They aren’t a pseudo-engine requiring winds to “push” them forward, they are turbines which generate energy by turning. As you increase the length of the blade, you are also exponentially increasing the area of rotation of the blades. In addition, the same force at a further distance produces more torque. So, the winds at the tips are responsible for generating more of the energy than the winds on the rest of the blade anyway.
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