NewEnergyNews: WORLD’S LONGEST WIND TURBINE BLADE

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    Friday, June 15, 2012

    WORLD’S LONGEST WIND TURBINE BLADE

    World's longest wind turbine blade

    June 11, 2012 (Siemens)

    “Siemens has produced the first batch of its new 75 meter long B75 rotor blades. [It is the world’s largest fiberglass component cast in one piece.] They will be installed on the second prototype of Siemens' 6-MW offshore wind turbine, which will be erected in the second half of the year in Denmark's Østerild Test Station…”

    click to enlarge

    “The 75 meter long B75 Quantum Blade demonstrates tremendous strength at a low weight and, thanks to its unique airfoils, offers superior performance at a wide range of wind speeds…”

    click to enlarge

    “If the B75 Quantum blade were produced using traditional technology, it would be 25-50 percent heavier. Heavy blades are subject to higher loads and require stronger nacelles, towers, and foundations…”

    click to enlarge

    “The combination of intelligent design and low weight has a correspondingly positive effect on the power generation costs for wind energy. [Siemens’ turbine capacity has grown by a factor of 200 in the last 30 years]…”

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