The Altitude Effect on Air Speed Indicators II (1923)
NASA Technical Reports Server (NTRS) · leaf 44
nsity only. The error thus involved by ignoring the viscosity correction is seen to be 2.7 miles per hour, or 15 per cent of the true air speed. 8. C ONCLUSIONS. From the results which have been reported in this paper, it is possible to draw certain general conclusions as to the measurement of air… … inches-Hg JO 12 14 16 18 20 22 24 26 28 30 Barometric pressure Fig. 19.—Air densities corresponding to given pressures and temperatures. Densities in grams per cubic centimeter. heavier-than-air craft is largely lost at the lower speeds. For example, upon examining the performance curve for the…
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