One Bad Batch, Seven Cracked Blades, and a Fleet-Wide Scramble

One Bad Batch, Seven Cracked Blades, and a Fleet-Wide Scramble

Not every blade failure is a surprise. Some are slow-moving and under-monitored, right up until material starts to come off. In March 2007, at a wind farm in  the USA, seven turbine blades cracked and large sections separated in mid-rotation. Every blade produced at the same plant since the…

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