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Wind Mill Blade

This is a medium-size blade for a wind turbine project. I ran into this transport (there were 5 more of the same) by chance. The driver provided me with some interesting data, some of which, such as the exact length, I have forgotten.

 

I wonder how long it will take to recoup the energy expended on manufacture, transportation, and installation of the wind mills. Germany reported a capacity factor for all their wind power installation, of 16%. That is abysmal.

 

The cost of producing a kilowatt-hour(kWh) of wind power has been calculated at 24.32 cents. Compare this to the cost for the same kWh, at a gas fired plant: 6.31 cents. Wind is almost 4 times more expensive.

 

The US wind power plants kill 440,000 (four hundred and forty thousand) birds every year, some of them endangered and protected species. Nothing can be done about this, and no one (where are you, Sierra Club?) screams. The birds have no time to scream because their lungs explode when they fly through the blade circle, in which there is a sudden pressure drop that can make their lungs explode without even hitting a blade.

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Uploaded on October 3, 2011
Taken on June 30, 2011