An investigation at transonic speeds of the effects of thickness ratio and of thickened root sections on the aerodynamic characteristics of wings with 47° sweepback, aspect ratio 3.5, and taper ratio 0.2 in the slotted test section of the Langley 8-foot high-speed tunnel / Ralph P. Bielat, Daniel E. Harrison, and Domenic A. Coppolino.Ralph P. Bielat1951EN