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Helicopter Trials Over Sand and Sea

Published online by Cambridge University Press:  04 July 2016

W. A. Hibbert
W. A. Hibbert*
Affiliation:
Engineering Division, Aeroplane and Armament Experimental Establishment
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Extract

—The experience from several environmental trials on helicopters is reviewed to show how the life of main and tail rotor blades was reduced by erosion and how effective various modifications have been in protecting these blades. The compressors of the gas turbine power units were also affected by sand ingestion and intake filters were used on later trials to protect the engines. The engine erosion problem is discussed with reference to the position of the intake, the degree and type of filtration and the design of the compressor itself. The design features of the helicopter which affect its ability to operate in dust and salt-laden atmospheres are also considered, along with suggestions for further research and development.

Type
Rotorcraft section
Information
The Aeronautical Journal , Volume 69 , Issue 659 , November 1965 , pp. 769 - 776
Copyright
Copyright © Royal Aeronautical Society 1965

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References

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