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The Evolution and Development Status of the ALF 502 Turbofan Engine
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English
Abstract
The factors influencing the design of the ALF 502 engine are reviewed in context with explanations and some retrospective comments.
Early experiments are outlined, followed by a more detailed account of the intense short-term development which culminated in the Pre-Flight Rating Test.
The conclusion reached is that, in the 6000 to 8000 lb. thrust class, the economy and rapid availability achieved by combining a carefully tailored fan module with a simple, well proven core engine of modest pressure ratio can outweigh the advantages of higher cycle efficiency obtainable with a more complex machine.
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Topic
Citation
Dickey, T. and Dobak, E., "The Evolution and Development Status of the ALF 502 Turbofan Engine," SAE Technical Paper 720840, 1972, https://doi.org/10.4271/720840.Also In
References
- Decher, S. Rauch, Dale Potential of the High Bypass Fan SAE Paper No. 64-GTP-15 Houston, Tex. March 1964