Massive robots ready to build composite wings for Boeing 777X

Mukilteo-based Electroimpact has designed and built 30-foot-tall machines that fabricate carbon-fiber wings for Boeing’s new 777X. (Mike Siegel / The Seattle Times)

To fabricate the composite parts of the giant wings of Boeing’s 777X, Mukilteo-based engineering firm Electroimpact has designed and built a new generation of robotic machines that haven’t been previously shown to outsiders.

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