A side view of an 18,000 HP water-cooled Dynamatic coupling, manufactured for Boeing, being shipped by flatcar to Seattle, Washington. This 100,000 pound coupling was the largest manufactured and used to drive Boeing’s wind tunnel fan. December 1946.
Anthony and Martin Winther founded the Dynamatic Corporation in 1931 in order to produce air conditioning units, and later, automobile parts, clutches, brakes, and industrial controls in Kenosha, Wisconsin until 2000.