Aerodynamic tests of a low aspect ratio tapered wing with an auxiliary airfoil for use on tailless airplanes
A 1933 NASA technical report on wind-tunnel tests of a low aspect ratio tapered wing with an auxiliary airfoil, written for aeronautical engineers working on tailless aircraft. The single picture is a dense technical graph plotting centre of pressure location and lift and drag coefficients against angle of attack for several flap settings, useful to a designer only as a sparse grid of curves and axis labels in black and white.
