e fastened to it. The indicated air speed indication of the drum the true air speed corresponding is indicated as usual by pointer A on the graduations to that altitude is indicated. It is thus evident that at the outer edge of the dial. The true air speed is to obtain true air speed with this… … Figure 26.—Bureau of Standards air-speed recorder The second instrument was developed at the Bureau The indication of true air speed of both instruments of Standards in 1927. It consists of common type is that based on the standard atmosphere for which Pitot-static air-speed meter with a modified…
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