Curves of a ModernWing.—The curves of figs. 12 and 13, which are typical of almost 20 THE AEROPLANE. all efficient aeroplane wings, have been constructed from valuestaken from a report on research work performed at theNational Physical Laboratory. Fig. 10 is a sketch of a sectionof this particular… … 4 6 8 10 12 14. 16Angles oF Incidence (Degrees) Fig. 12. a big falling-ofE in the value of the lift coefficient and a markedincrease in the value of the drag coefficient. Both these pheno-mena are the result of a breakdown in the character of theair flow, which results in the sudden alteration of…
Airplanes
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