Three Blades or Two Blades?

Three Blades or Two Blades?
Just when we all thought that the three-bladed wind turbine was the industry standard,  several major wind-power companies are testing a departure by dropping one of the three blades and spinning the rotor 180 degrees to face downwind.  The attraction is that if a two-bladed turbine can produce as much energy as a three-bladed one, the… Read the rest