Wartime report L-370, L-428, L-429, L-434, L-482, L-544, L-583, L-630, L-632, L-634, L-644, L-682. L-484. Wind tunnel tests of ailerons at various speeds: 5, Pressure distributions over NACA 66, 2-216 and NACA 23012 airfoils with various balances 0.20-chord ailerons [with list of references]; by W. Letko and H. G. Denaci.