Extension of Drain Periods in Gas Turbine Engines Using Improved Synthetic Lubricants 650814

Increases in operating temperatures and the rapid advancement of time intervals between overhauls has placed greater demands on the temperature-time capabilities of Type 1 synthetic lubricants used for airline operated gas turbine engines. The development of Type 2 lubricants with better high temperature capabilities coupled with an improved oil monitoring technique made possible rapid advances in oil use time and provided the airline operator with a potentially useful maintenance tool.


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