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Bearings: The Achilles Heel of Wind Turbines

Story by Eric Worrall – A few years ago, I used to know a senior wind turbine engineer. One evening, over a few beers, he told me the dirty secret of his profession: “The problem is the bearings. If we make the bearings bigger, the bearings last longer, but making the bearings larger increases friction,…

Siemens_big_wind_TV_ad

Big Wind’s latest deceitful ad campaign

Facing trouble abroad, Siemens ads seek to tap into US taxpayers and wind welfare system Guest essay by Mary Kay Barton If you watch much mainstream TV, you’ve probably seen Siemens’ new multi-million-dollar advertising blitz  to sell the American public on industrial wind. Why the sudden ad onslaught? Watch the video below. The wind business…

California’s future energy pipe dream

I wonder how they’ll manage to put 25,000 offshore wind turbines in place after seeing the long battle (back to 2001 for the first permit) to get Cape Wind in Massachusetts approved with enviros switching sides to protect viewsheds, and it still isn’t built. I can’t see California’s sensitive coastline to go any easier, and…