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Construction of low-cost, Mod-OA wood composite wind turbine bladesTwo sixty-foot, low-cost, wood composite blades for service on 200 kW Mod-OA wind turbines were constructed. The blades were constructed of epoxy resin-bonded Douglas fir veneers for the leading edge sections, and paper honeycombcored, birch plywood faced panels for the afterbody sections. The blades were joined to the wind turbine hub by epoxy resin-bonded steel load take-off studs embedded into the root end of the blades. The blades were installed on the 200 kW Mod-OA wind turbine facility at Kahuku, Hawaii, The blades completed nearly 8,000 hours of operation over an 18 month period at an average power of 150 kW prior to replacement with another set of wood composite blades. The blades were replaced because of a corrosion failure of the steel shank on one stud. Inspections showed that the wood composite structure remained in excellent condition.
Document ID
19830008586
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Lark, R. F.
(NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 4, 2013
Publication Date
January 1, 1983
Subject Category
Energy Production And Conversion
Report/Patent Number
E-1493
NASA-TM-83046
DOE/NASA/20320-43
NAS 1.15:83046
Meeting Information
Meeting: Natl. SAMPLE Symp. and Exposition
Location: Anaheim, CA
Country: United States
Start Date: January 1, 1983
Accession Number
83N16857
Funding Number(s)
CONTRACT_GRANT: DE-AI01-76ET-20320
PROJECT: RTOP 776-33-41
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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