Ever Wondered Why Wind Turbines Have 3 Blades?

Wind turbines are becoming more prevalent as the green technology industry continues to grow, but they all keep a very similar design. Have you ever wondered why wind turbines only have three blades and maybe not 4 or 6? Well even if you haven't, you're about to find out.

As it turns out, the reason they have as many as they do is a compromise between efficiency and cost. To build the most efficient wind turbine, you want as many as possible, but it also has to maintain balance and minimal drag. If you want to lean more about how engineers settled on three, check out the video above.

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