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