Pomilio, Ottorino · New York, McGraw-Hill · leaf 184
of p. Practicallythough, to increase P2 means adopting an engine of higherpower, consequently of greater weight and difTerentincumbrance. Thus the change of P2 is reflected upon theterms 6 , A and c. It is not possible to translate into aformula the relation which exists between P2, 5, A and… … 170 AIRPLANE DESIGN AND CONSTRUCTION aerofoil, and which for this reason are usually called wingsfor speed. For very fast machines, some designers haveeven adopted wings with convex instead of concave bot-toms. Naturally this convexity is smaller than that ofthe wing back (Fig. 111). We then also…
Airplanes
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