NBC: Super-Colossal Wind Turbines May Be on the Horizon
Aug 4, 2017 | News Roundup
Aug. 3 — One problem is that building bigger versions of the turbines you see on hillsides today simply isn’t feasible. Rotor blades tend to flex in high winds, raising the possibility that the rotors would strike the tower supporting them. Taller windmills will need stiffer blades positioned well away from the tower — which adds weight and cost.
— NBC