So turbines grew. And they can now span up to three hundred feet at the hub height, but they can't really go a lot higher, and more height is where the more wind is, and more power -- as much as twice as much.
固定翼タービンは発達し、ハブ高が100メートルまできましたが さらにそれ以上には行けません しかしさらに高いところにはもっと風があり― 電力は２倍にもなります