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From: Denc 🗡

Overview
Evolution of Fly-by-Wire: Transforming Aircraft Control
The Boeing 787 Dreamliner uses a "fly-by-wire" flight control system, where electronic signals replace traditional mechanical linkages between the pilot's controls and the flight control surfaces. This system relies on computers to process pilot inputs and send corresponding electrical signals to actuators that move the ailerons, elevators, and rudder.
Here's a more detailed explanation:
What is Fly-by-Wire?:
Fly-by-wire is a flight control system that uses computers to process pilot inputs and translate them into electronic signals. These signals are then sent to actuators that move the aircraft's control surfaces.
How it Works on the 787:
The 787's fly-by-wire system interprets pilot inputs from the control yokes and pedals. This data is processed by computers, which then send electrical commands to actuators that move the ailerons, elevators, and rudder.
Benefits of Fly-by-Wire:
Increased Safety and Reliability: Fly-by-wire systems are designed with redundancies and can provide flight envelope protections, enhancing safety.
Improved Maneuverability: The system allows for more precise and responsive control of the aircraft.
Weight Savings: Eliminating mechanical linkages reduces weight and complexity.
787's Approach to Fly-by-Wire:
While other manufacturers like Airbus have different philosophies, Boeing integrated fly-by-wire while retaining traditional control yokes.
Backup Systems:
The 787 also incorporates backup flight controls, including electrically powered systems that remain operational even if there is a total loss of hydraulic power.

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Denc 🗡