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Calibration Tests of a German Log Rodmeter (1949)

Mottard, Elmo J. ; Stillman, Everette R.

In: CASI

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Publication Date: 2019-07-12

Description: A German log rodmeter of the pitot static type was calibrated in Langley tank no. 1 at speeds up to 34 knots and angles of yaw from 0 deg to plus or minus 10 3/4 degrees. The dynamic head approximated the theoretical head at 0 degrees yaw but decreased as the yaw was increased. The static head was negative and in general became more negative with increasing speed and yaw. Cavitation occurred at speeds above 31 knots at 0 deg yaw and 21 knots at 10 3/4 deg yaw.

Keywords: Mechanical Engineering

Type: NACA-RM-SL9C15

Format: application/pdf

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