Original stator replaced at AEDC Propulsion Wind Tunnel Facility
This photo shows the original M4 stator for the Propulsion Wind Tunnel Facility at AEDC during its original construction. The caption released with the photo Jan. 18, 1953, reads, “A workman is dwarfed by the 72-ton stator (stationary outer frame) for the world’s most powerful motor, being built at the Westinghouse East Pittsburgh Plant for new wind tunnels of the Arnold Engineering Development Center. There will be two such electrical giants, each rated at 83,000 horse-power, and weighing 225 tons apiece, for use in new transonic and supersonic wind tunnels, in which compressors will force air through special units at the speed of sound and higher.” This original stator was recently replaced as part of an improvement project for the Propulsion Wind Tunnel Main Drive. (Courtesy photo)
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