1990-09-01

The Development of an Automated L-42 Test Stand to Evaluate the Anti-Score Properties of Gear Lubricants 901634

This paper describes the development of a computer-based control and data acquisition system for the L-42 Performance Test for Evaluating the Load Carrying Capacity of Automotive Gear Oils Under Conditions of High Speed Shock Loading. The L-42 test is a procedure that is used in determining the anti-score properties of gear lubricants and is one of the required tests for API GL-5 and U.S. Military MIL-L-2105D designations. Data will be presented to compare the computer system with a human operator.

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