Wesley Prater

District 4 « Democrat
Washtenaw County Commissioner

Wind Energy »By the Numbers:

Size:
Base diameter: 15 ft
Tower height: 256 ft
Blade length: 134 ft
Total height standing: 391 ft, plus another 32 feet below ground!
Distance apart: 800 ft


Weight:
Each blade: 22,000 lbs
Entire rotor: 77,175 lbs
Nacelle: 138,915 lbs


Blade Speed:

16.8 rotations/ minute
Speed at tip of blade: 178 mph


Wind Speed:

Begins energy prod.: 9 mph
Peak energy production: 32 mph
Blade slowed: 55 mph
Design tolerance: 150 mph

Wind Energy Turbine:

Wind Energy Turbine