Part Number ME2107 from Motenergy, Inc. This is a new Turgo water wheel for Hydro-Electric generation projects. It measures 6.7 inches in diameter (170 mm). It has 20 cups that are bolted to a center hub. The hub has a hole in the center with a diameter of 0.786 inches (20 mm), and 4 additional 0.193 inch (5 mm) holes on a 1.38 inch (35 mm) bolt circle. This water wheel is brand new and in the original box.
This is a Poly Carbonate wheel made for long life, not Nylon.