Douglas B-18 Airplane


Experimental Low-Drag Test Panel on Douglas B-18 Airplane. In the spring of 1941 Langley installed an experimental low-drag test panel on the wing of a Douglas B-18 airplane. The panel was fitted with suction slots and pressure tubes for a free flight investigation of the transition from laminar to turbulent flow in the boundary layer. The pressure at each tube was measured by liquid manometers installed in the fuselage.


Size: 2959px × 1531px
Photo credit: © NASA Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: &, -18, aeroplane, aircraft, airplane, archive, aviation, black, douglas, historic, historical, history, monochrome, naca, nasa, plane, transport, transportation, vintage, white