T63 Engine Vibratory Characteristics Analysis
Final rept. Dec 1973-Mar 1974
GENERAL MOTORS CORP INDIANAPOLIS IN ALLISON GAS TURBINE DIV
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A study of the T63-A-5 engine vibratory environment installed in the OH-58 and OH-6 light observation helicopters is presented in this report. The purpose of the study is to develop a common language for use in engineairframe translational vibration specifications and analyses related to future helicopter programs. Mobility and modal synthesis techniques for coupled dynamic system analyses are developed. These techniques are then applied to the aforementioned helicopter systems for evaluation.
- Jet and Gas Turbine Engines