Data from large-scale low-speed tests of airplane configurations with a thin 45 degree swept-wing incorporating several leading-edge contour modifications

Evans, William T.
naca-rm-a56b17
1956

The basic wing of aspect ratio 3, taper ratio 0.4, and 45 degree of sweep, had an NACA 64A006 section. The modifications consisted of increases of leading edge radius, both with and without camber and span-wise section variation.

An Adobe Acrobat (PDF) file of the entire report:
http://naca.central.cranfield.ac.uk/reports/1956/naca-rm-a56b17.pdf