A METHOD OF DEVELOPING AIRCRAFT ENGINES

Paper #:
  • 220063

Published:
  • 1922-01-01
DOI:
  • 10.4271/220063
Citation:
HALLETT, G., "A METHOD OF DEVELOPING AIRCRAFT ENGINES," SAE Technical Paper 220063, 1922, doi:10.4271/220063.
Author(s):
Pages:
27
Abstract:
The general method of procedure taken by the Air Service before beginning the actual design and construction of the necessary types of aircraft engine is outlined and the four steps of the development subsequent to a very complete study of existing domestic and foreign engines are stated.After checking over the layouts, if all the details are agreed upon by both the designer and the Engineering Division, the contract is placed, usually for two experimental engines, and the construction work is begun.Acceptance tests are made to demonstrate that the engine is capable of running at normal speed and firing on all cylinders. These are followed by the standard performance test made on the dynamometer at McCook Field. The results of the latter test determine whether the engine can enter the 50-hr. endurance test. The engine is then torn-down and inspected for wear. Suggested modifications are embodied in reconstructed engines which eventually fulfill the requirements. Descriptions of the various tests are given and commented upon.
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