Paul Hammant talking about stuff related to Vertical Axis Wind Turbines (VAWT), and lamenting the fact that nobody has brought the 2:1 sail-inspired design to production 110 years after the first patent was applied for.
Sunday, December 19, 2010
..And another similar version found on youtube today
This one is not the same, it snaps shut, rather that geared 2:1 according to the points of sailing.
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