Elton W. Miller, chief of aerodynamics at what is now NASA’s Langley Research Center in Hampton, Virginia, stands in the entrance cone of the Propeller Research Tunnel in this Sept. 9, 1926, photo. In front of the entrance is the Sperry M-1 Messenger, the first full-scale airplane tested in the tunnel. The Propeller Research Tunnel, […]
January 15, 2025
from NASA https://ift.tt/UoGL0C3
January 15, 2025
from NASA https://ift.tt/UoGL0C3
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