Pomilio, Ottorino · New York, McGraw-Hill · leaf 24
Fig. 9.—Trailing edge of good efficiency. until their difference becomes zero. In this manner, theformation of a wake or eddies behind the wing, with theresulting losses of energy, is avoided (Figs. 9 and 10). In brief, for good wing efficiency, it is primarily necessaryfor the leading and trailing… … Fig. 10.—Trailing edge of poor efficiency. From the foregoing it is easy to understand the impor- Stance of the ratio ^; that is, the relation between the span S and the chord C of a wing. Considering the front view of a wdng surface. Fig. 11, whichrepresents a section parallel to the leading edge,…
Airplanes
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