Why do windmills typically have 4 blades, yet all modern wind turbines have 3?
In: 9124
Why waste time use 4 blades when 3 blades do trick?
Why do windmills typically have 4 blades, yet all modern wind turbines have 3?
In: 9124
Why waste time use 4 blades when 3 blades do trick?
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