The characteristics of the N.A.C.A 97, Clark Y, and N.A.C.A. M6 airfoils with particular reference to the angle of attack

George J. Higgins
naca-tn-270
Dec 1927


In the adaptation of a certain airfoil section to an airplane design, it is necessary to make a careful study of the airfoil characteristics in order that the best performance may be attained on the complete airplane.

An Adobe Acrobat (PDF) file of the entire report:
http://naca.central.cranfield.ac.uk/reports/1927/naca-tn-270.pdf