When {HEAD ~ blade} 2 is in {TAIL ~ the lower sector} moving downwind, and also with a positive pitch, it creates a lift component force as well, since it is assumed that the wind turbine operates with blade speed higher than the wind speed 
is in
When { HEAD ~ blade } 2 is in { TAIL ~ the lower sector } moving downwind , and also with a positive pitch , it creates a lift component force as well , since it is assumed that the wind turbine operates with blade speed higher than the wind speed
OTH HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH