How to make a 134-ft turbine blade

TPI Composites makes the blades for GE wind turbines at its Newton, Iowa factory. The firm recently hosted an open house chronicled by a video which shows how the 12,000-lb blades are made — and underscores just how massive the turbines are, as each blade represents just one-half of a turbine’s total spin-diameter. Of course, an array of politicians were on hand. U.S. Trade Representative Ron Kirk can be heard first in the video, followed by Senator Chuck Grassley (R-Iowa).

Watch the video here:

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