In the preferred embodiment, the turbine is of {TAIL ~ the crossflow variety} with {HEAD ~ runner blades} coaxial to the width of the hydrofoil 
In the preferred embodiment , the turbine is of { TAIL ~ the crossflow variety } with { HEAD ~ runner blades } coaxial to the width of the hydrofoil
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH