Sperry M-1 Messenger
Description A Langley researcher ponders the future, in mid-1927, of the Sperry M-1 Messenger, the first full-scale airplane tested in the Propeller Research Tunnel. Standing in the entrance cone of the tunnel is Elton W. Miller, Max M. Munk's successor as chief of aerodynamics. Miller was one of the designers of the Propeller Research Tunnel
Credit: NASA
Image Number: L-01892
Date: September 9, 1926
Sperry M-1 Messenger
Description A Langley researcher ponders the future, in mid-1927, of the Sperry M-1 Messenger, the first full-scale airplane tested in the Propeller Research Tunnel. Standing in the entrance cone of the tunnel is Elton W. Miller, Max M. Munk's successor as chief of aerodynamics. Miller was one of the designers of the Propeller Research Tunnel
Credit: NASA
Image Number: L-01892
Date: September 9, 1926