a means for controlling a pitch angle of said blades by a crankshaft means as {HEAD ~ a function} of {TAIL ~ the rotational angle} to provide said blades with the dual capability of gathering wind energy and generating airlift for the station, where 
of
a means for controlling a pitch angle of said blades by a crankshaft means as { HEAD ~ a function } of { TAIL ~ the rotational angle } to provide said blades with the dual capability of gathering wind energy and generating airlift for the station , where
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD 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