| Abstract | An AVRO Orenda Mk 2 jet engine was subjected to six accelerations of varying rates to find the permissible rate of acceleration for normal operation and to determine the results of exceeding this rate. Because the Installation was not Intended for recording transient information, measurements of the engine temperatures, speeds and pressures were made by observers on each instrument, who noted the reading at Intervals called out by a separate observer. The Instrumentation was of the standard variety, and would be likely to lag a rapid change of the property being measured. Qualitatively, however, the results were quite Informative, and the conclusions drawn should be valid, at least for the sea level static condition, and probably for low speed flight at low altitude. |
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