100% correct Skeptic81, real world data is how everything in the wind industry is tested, out in the field where Brock is currently testing at Bigdogs.
The the Amigo's should be flogged for spending the money to test it in a wind tunnel. The fact they or Saba didn't know this is troubling. Has this DAWT been around since 1972? If that is true then why the heck is GE making gigantic three blades?