Endurance Testing of an LM-726-4 Elastomeric Pitch Change Bearing
LORD KINEMATICS ERIE PA
Pagination or Media Count:
Presented in the report are the results of a 2000-hour endurance test on the LM-726-4 elastomeric pitch change bearing designed for the all- elastomeric rotor in the AH-1G helicopter. The LM-726-4 is an improved version of a previously tested pitch change bearing incorporating several design modifications with the goal of improving fatigue life. Testing was conducted to form a basis for determining the airworthiness of the bearing in terms of expected reliability and inspection and replacement criteria.
- Machinery and Tools