Wednesday, May 12, 2010

Cool wind farm facts

• The farm sits higher than Snoqualmie Pass
• 149 turbines
• The fastest the turbine blades can turn is 16.5 times/minute, into
a gearbox that ends up spinning over 1000/minute
• powers 70,000 homes
• The towers are 221 ft tall, 350 ft. With the blades
• Each tower has a tall ladder inside to get up to the turbine
• The location was chosen as one of the state's windiest places
• If it gets too windy (over 56 mph), the turbines are shut down and
the blades are turned into the wind
• 273 megawatts max generation
• Each turbine is $3 million and is made to last 20 years
• 9-mph winds are necessary for standard production
• 1-2 Birds bite it per turbine per year
• instead of fins to help turn the turbines into the wind, there are
sensors that tell computers to turn the blades
• Folks with pacemakers shouldn't go into the turbine towers

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