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Fly-By-Wire Control

 Fly-By-Wire Control

  • The fly-by-wire (FBW) control system employs electrical signals that transmit the pilot’s actions from the flight deck through a computer to the various flight control actuators.
  •  The FBW system evolved as a way to reduce the system weight of the hydromechanical system, reduce maintenance costs, and improve reliability.
  •   Electronic FBW control systems can respond to changing aerodynamic conditions by adjusting flight control movements so that the aircraft response is consistent for all flight conditions.
  •  Additionally, the computers can be programmed to prevent undesirable and dangerous characteristics, such as stalling and spinning.
  • Many of the new military high-performance aircraft are not aerodynamically stable. This characteristic is designed into the aircraft for increased maneuverability and responsive performance.
  •   Without the computers reacting to the instability, the pilot would lose control of the aircraft.
  • The Airbus A-320 was the first commercial airliner to use FBW controls. Boeing used them in their 777 and newer design commercial aircraft.
  •  The Dassault Falcon 7X was the first business jet to use a FBW control system. 

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