WindBlue Pma's are well suited for hydro power.  Our cases are clear coated with a high temp ceramic paint.  Our rotors are also painted with the same type of paint.  The shaft, washers, and nut are stainless.

 

You will want to usae either a DC-540 or DC-520. 

 

we do not provide gps or head height data but this as well as water wheels can be found at www.waterwheelplace.com