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