Blade stunner: blowing in the wind

Siemens has set a new record in the world of wind turbines. The German manufacturer has just built a 75 metre long blade for its B75 Quantum Blade prototype: it is the size of an airbus A380 with a rotor diameter of 154 metres. Between now and the end of 2012, these blades will be used on a prototype six-megawatt offshore wind turbine and will be put into service at a Danish wind farm.

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