SAE AIR 1289A:1992

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Evaluation of Helicopter Turbine Engine Linear Vibration Environment

Published By	Publication Date	Number of Pages
SAE	1992-03-01	14

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Description

This SAE Aerospace Information Report (AIR) outlines a recommended procedure for evaluation of the vibration environment to which the gas turbine engine powerplant is subjected in the helicopter installation. This analysis of engine vibration is normally demonstrated on a one-time basis upon initial certification, or after a major modification, of an engine/helicopter configuration.

This AIR deals with linear vibration as measured on the basic case structure of the engine and not, for example, torsional vibration in drive shafting or vibration of a component within the engine such as a compressor or turbine airfoil.

In summary, this AIR discusses the engine manufacturer’s "Installation Test Code" aspects of engine vibration and proposes an appropriate measurement method.

Additional information

Published Code	SAE
Published By	SAE International, formerly Society of Automotive Engineers
Publication Date	1992-03-01
Pages Count	14
Language	English
Descriptors	Gas turbines; Propellers and rotors; Driveshafts; Engine mounts; Center of gravity (CG); Engines; Starters and starting; Data exchange
File Size	665.6 KB

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SAE AIR 1289A:1992

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