Ridin' The Tiger!!!
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,112
From: Rio Rico, AZ.
Originally Posted by Snowbunny
It's a mechanical failure,,, Through a complex set of hydraulics, the blades pitch flat against the wind to obtain the lift they need to spin. When the wind blows over a certain speed, the blades are supposed to pitch into the wind, and cut it like the edge of a knifeblade. This causes the blades to slow down and is the only way to stop them. When the blades don't pitch properly, because of a valve failure, the hub goes into overspeed and as you can see, that is quite detrimental to the turbine!!
Hundreds of turbines were made with this design and particular valving system, and everybody is working frantically to retrofit their turbines with new valves. Too bad this bad design flaw wasn't found before a life was lost.
Hundreds of turbines were made with this design and particular valving system, and everybody is working frantically to retrofit their turbines with new valves. Too bad this bad design flaw wasn't found before a life was lost.
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