Image: Don Kiddick
Another piece of abandoned, hulking machinery
Despite its impressive size, the Air House was not able to properly meet the prodigious suction needs of the test cells once Cell 4 was built. Consequently, a ninth exhauster set was added to the facility in 1965. This multi-stage axial-flow exhauster was powered by a 6,000-horsepower synchronous motor and was used for Cell 3, Cell 3 West and Cell 4.