Welcome to the Woodward Governor Company unofficial History Site

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One of the first 400 Hz constant speed drives developed for aviation gas turbine engines.

One of the first 400 Hz constant speed drives developed for aviation gas turbine engines..jpg Constant Speed Drive for Boeing 727, Sundstrand Corporation - Museum of Science and Industry (Chicago) ThumbnailsCONSTANT SPEED DRIVE SYSTEM SCHEMATIC DRAWING.