Summary of technological achievements obtained in 7-yr period with emphasis on changes in engine noise characteristics, in selling price and in growth of overhaul life and reliability; nature of engine development is examined showing that development content of engine programs is greater than that of airframe programs; relationship between development cost and manufacturing cost; magnitude of technical advance is considered together with problems encountered in search for effective system of cost estimation and control.
Engine development under ministry of aviation
Aeronautical J
Aeronautical Journal ; 72 , n 686
1968
9 pages
Article (Journal)
English
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