Liebherr Aerospace has delivered two units of the power control actuator of the 777 and 777X’s main gear steering components to Boeing. Full-scale production of the units is expected in 2021.
Since the Liebherr and Boeing signed the contract in 2018, the two companies had been working to design, manufacture and test the new actuator. Liebherr will manufacture the parts specifically for Boeing’s 777 and 777X programs.
Liebherr’s competence center for flight controls, gears, gearboxes and landing gears, Liebherr-Aerospace Lindenberg GmbH, Lindenberg (Germany) was selected to manufacture and test the actuator.
The power control actuators are part of the main gear steering system. They support taxi maneuvers of the aircraft and reduce tire wear. Together with the main gear steering control unit and the nose gear steering position transducer, Liebherr supplies the complete main gear steering system.
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