rotor with 2 blades of laminated wood/epoxy (Gougeon Brothers). Tip vanes
for over-speed control.
20 kW Turbine was also fabricated.
NP = Generator Name Plate.
Sciences Incorporated (ESI) was located in Boulder, Colorado. Senior
Engineer, Sandy (C.P.) Butterfield.
1994 the California Energy Commission reported a rest of 35 ESI Turbines
Installed in California with a capacity of 1.8 MW ( average 51 kW)