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Evolution of Small Turboshaft Engines
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English
Abstract
There is an ever increasing interest in the small, under 1000 hp, turboshaft engine for use as aircraft propulsion powerplants. This paper discusses the historical evolution of these powerplants, their current state-of-the-art, and their future potential. The effect of a continually advancing technology on the performance, weight, and cost of these engines is discussed. The level of technology in the small gas turbine engine is compared to that of larger engines, pointing out some of the technical differences resulting from engine size effects. The interaction of engine performance, cost, weight, reliability, and maintainability is discussed; and some of the potential tradeoffs between these areas are presented.
Citation
Bentele, M. and Laborde, J., "Evolution of Small Turboshaft Engines," SAE Technical Paper 720830, 1972, https://doi.org/10.4271/720830.Also In
References
- Bentele M. Mahle, Stuttgart 1953
- Manganiello E. J. “Current NASA Research in Turbojet Propulsion, NASA TM X-52807.” Seventh Congress of the International Council of the Aeronautical Sciences Rome Sept. 14-18 1970
- Connors H. D. Murphy J. P. “Gas Turbine Sand and Dust Effects and Protection Methods.” SAE Transactions 79 1970 paper 700705
- “Small Gas Turbines for Helicopters and Surface Transport.” AGARD (NATO Advisory Group for Aerospace Research and Development) Lecture Series No. 46 May 1971
- Perkins J. E. B. “Small Engines - Big Business.” Halford Memorial Lecture Mar. 8 1972