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Hub height offshore is less critical than offshore, with lower alphas (increase of speed with height).  There is far less turbulence offshore as well, meaning lower hub heights suffice.  Onshore one needs to go higher to reach stronger winds, and eliminate as much terrain-induced turbulence as possible.

"Life shrinks or expands in proportion to one's courage." - Ana´s Nin
by Crazy Horse on Wed Feb 3rd, 2010 at 12:53:08 PM EST
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True enough.  I was thinking that you had to be at at least 140 meters to accommodate the blades, but then I guess not. Each side is 70 meters, so I suppose that you could even put it on a 100 meter a be fine.

And I'll give my consent to any government that does not deny a man a living wage-Billy Bragg
by ManfromMiddletown (manfrommiddletown at lycos dot com) on Wed Feb 3rd, 2010 at 12:58:50 PM EST
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