With average wind speeds of five metres per second (m/s), the turbines showed they could churn out some 6MWh a year, a figure Matsuura notes would climb exponentially in higher winds - with gusts averaging 8m/s, raising annual generation rates to something close to 18MWh.
Wind Lens has been proving its worth in China and Japan for several years
Wind Lens turbines have seen use in small-scale applications in China and Japan over the past decade.
16 September 2010 22:00 GMT
Updated
25 November 2012 13:38 GMT
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