Author Topic: wind turbine blades  (Read 1010 times)

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ferrand

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wind turbine blades
« on: January 04, 2007, 05:21:49 PM »
In 1976-82 the Trimblemill - a contra rotating wind turbine designed for individual building heating - hot water or "block heater" storage - used sail wing blades of aerofoil shape, a canvas/sailcloth envelope stretched over an aluminium frame with a plastic tip stiffner. Details available see home website
« Last Edit: January 04, 2007, 05:21:49 PM by (unknown) »