The Direct Measurement of Engine Power on an Airplane in Flight with a Hub Type Dynamometer (1927)
NASA Technical Reports Server (NTRS) · leaf 6
que and thrust forces are recorded. Figure 2 gives a diagrammatic sketch of the complete dynamometer apparatus and shows the operation of the hydraulic system. A high-pressure supply of fluid is used to compensate for any leakage in the systems. Since each set of cylinders has connecting passages,… … Fig. 3a.—Views and section of torque-measuring clyinder showing regulating valve is the outstanding feature of the automatic supply valve dynamometer, and the regulation is adjusted to such a nicety that the motion of the piston is barely perceptible, and the indicator records do not show when the…
NASA Technical Reports Server (NTRS)
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