AEDC wind tunnel modernization benefits from ‘in-house’ fabrication capabilities
Dennis O’Dear (left) and Keith Gipson (bottom, right), both ATA outside machinists, install newly designed and fabricated flexible nozzle actuators in the Propulsion Wind Tunnel four-foot transonic wind tunnel (4T) at AEDC. The actuators are electromechanically driven ball-screw jacks which move the flexible top and bottom plates in the 4T tunnel closer together providing variable Mach numbers or wind speeds during a test. (Photo by Rick Goodfriend)
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