CHAPTER II – LIFT CHARACTERISTICS OF FOIL SECTIONS

The basic element of every wing or control surface and that of “vanes” and propeller blades, id est of all “lifting” devices (in air or in water), is the foil sec­tion. Lift – and pitching – moment characteristics of such sections, in two-dimensional fluid flow, are pre­sented as follows, as a function of shape, skin fric­tion and Reynolds number. [14] 2 [15] [16]

CHAPTER II - LIFT CHARACTERISTICS OF FOIL SECTIONS

C) COMBINATION OP THICKNESS (A) V/ITH CAMBER LINE (B)

Figure 1. Basic geometry of airfoil sections shown by the example of 0020/4420.