![]() The aileron trim switches are located on the pedestal, on the aft electronic panel. The ailerons can also be moved by the aileron trim. The hydraulic systems are powered by bleed air that is generated by the engines. These PCU’s are powered by hydraulic systems A and B (we'll talk about these systems later). The PCU deflects the ailerons accordingly to the control wheel input. The Feel and Centring Unit moves a cable to the aileron PCU, which in turn converts ca-ble movements to hydraulic movements. This is done so that the pilots have a feel of what kind of forces are applied to the ailerons. This unit changes the neutral position of the control wheel after trimming and adds ‘feel’ to the control wheel. Via cables, the control wheels are connected to the aileron Feel and Centring Unit, which is located in the main wheel well. This means, that if one control wheel deflects, the other will do exactly the same. These control wheels are connected to each other, by means of cables. The most important aileron movement is done by the control wheels on the flight deck. The aileron movement can be accomplished by three different systems. Now lets have a look at how these systems operate.įigure 1.1 - Boeing 737 Primary Flight Controls The yaw damping system assists in various tasks, like gust damping and turn coordination. The rudder is used for yawing the aircraft. The elevator is used for pitching the aircraft and is attached to the horizontal stabilizer, which can also be moved by sys-tems like stabilizer trim and autopilot trim. The aileron and the flight spoilers are used for rolling the aircraft. The primary flight controls in the Boeing 737 are powered by a Power Control Unit (PCU). LORD is currently constructing a new, state-of-the-art manufacturing centre in Pont de L’lsère, France to optimize and enhance its service to Boeing and other customers, while positioning LORD for future growth.The primary flight controls (figure 1.1) are the flight controls that are used in every phase of flight. “We are pleased with this opportunity for growth in activity of our supply base in France with a company such as LORD Electromechanical Solutions that is well-known throughout France for its know-how and expertise.” “Our long-term relationship with LORD is taking on a new dimension as they join a large family of suppliers that are contributing to the success of the 737 MAX," said Jean-Marc Fron, managing director of Boeing France. “The success of Boeing’s 737 MAX, coupled with LORD’s proven history in providing solutions for mission-critical applications, represents tremendous opportunities for the future of flight.”Ī long-time partner of Boeing, LORD is a recent Silver Boeing Performance Excellence Award winner and has developed and manufactured several systems and components for a variety of commercial and military Boeing platforms. “We are pleased to embark on this monumental journey with Boeing,” said Ed Auslander, LORD president and CEO. The development of the cockpit control systems will take place over the next few years with production beginning in 2020. ![]() ![]() This new multi-year contract reflects LORD’s acquisition strategy to develop innovative electromechanical solutions to provide long-term value for the aerospace and defence industry. The cockpit control will be designed and produced at LORD Electromechanical Solutions (formerly Fly-by-Wire France) facilities in Saint-Vallier, France and in Cambridge Springs, Pennsylvania, USA.
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