The Direct Measurement of Engine Power on an Airplane in Flight with a Hub Type Dynamometer (1927)
NASA Technical Reports Server (NTRS) · leaf 8
gure 7 shows the controlling and recording apparatus in the cockpit. The apparatus is quite bulky and requires considerable space. In addition to the hub dynamometer, the following N. A. C. A. instruments were used during flight tests: Recording altimeter, recording air-speed meter, and automatic… … Fig. 7.—View of recording apparatus in cockpit the air temperature from the indicator of an electric resistance thermometer. The engine speed was recorded by the automatic observer from a service-type tachometer. A distance- type thermometer was used to measure carburetor-air temperature, as it…
NASA Technical Reports Server (NTRS)
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