Volume 1, Issue 3 (April 1979)

    Filament Wound Large E-Glass/Epoxy Spars and Blades


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    A national wind energy program has been established to develop the technology required to make wind energy systems cost-competitive with conventional power generation systems and suitable for rapid commercial expansion to produce significant quantities of electrical power. The nominal 1500-kW Mod-2 Wind Turbine Generator being developed will require a rotor diameter of 300 ft (Fig. 1). Because of the considerable extension of technology that is required to produce the 150-ft blades, Structural Composites Industries and Kaman Aerospace Corporation have been awarded a contract by the Department of Energy through NASA-Lewis Research Center to design, fabricate, test, and evaluate a 150-ft composite blade. The primary structural element of the blade is a one-piece 20,000-lb spar fabricated using a new filament winding process, low-cost materials, and minimum labor.

    Author Information:

    Weingart, O
    Structural Composites Industries, Inc., Azusa, CA

    Stock #: CTR10671J

    ISSN: 0884-6804

    DOI: 10.1520/CTR10671J

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    Title Filament Wound Large E-Glass/Epoxy Spars and Blades
    Symposium , 0000-00-00
    Committee D30