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