Charts for graphical estimation of airplane performance (1925)
NASA Technical Reports Server (NTRS) · leaf 5
170 REPORT NATIONAL ADVISORY COMMITTEE FOR AERONAUTICS. Equation (5) is plotted in Figure 4 so that the value of V& corresponding to any normal W values of 78, r]m and -^p may be read directly. The following table gives the variation of K with (|) ; … Fio. 4.—Maximum speed of airplanes based on the formula ■J V, WISP Directions: Pass horizontal!;' from V, to W/BP, then vertically to proper value of JTijnA then horizontally to maximum speed Vis, as shown by broken line. Note.—This chart to be used when Vn>t.7Ys average value of The average value…
NASA Technical Reports Server (NTRS)
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