Lufthansa Technik develops process for safe cabin installations in CFC aircraft

In the framework of the “Fiber Force” research project, started in 2010, working together with the German Aerospace Center (DLR) and the Technical University of Darmstadt, Lufthansa Technik has developed methods for load transmission into carbon fiber composites (CFC) aircraft fuselage structures for VIP customer aircraft. New generations of aircraft, such as the Airbus A350 and the Boeing 787, are manufactured predominantly out of CFC. As these aircraft will also play an increasingly important role for VIP customers in the future, appropriate changes to the original aircraft structure are essential for manufacturer-independent modifications and individual cabin solutions. It must be made possible to install specific cabin components at the desired location in an aircraft, and the primary structure must be reinforced in such a way that the additional load can be introduced and distributed safely. Within the project, funded by the Federal Ministry of Economics and Technology (BMWI), it has now been possible to define the maximal load on the floor panels for the first time, and to develop highly efficient connectors, known as “floorpanel hardpoints”. These components, comparable to inserts, are small enough to fit into the palm of the hand and can be individually fitted to the cabin floor by gluing them to the floorpanels. They facilitate the flexible fixing of special cabin fittings such as cupboards, tables and partition walls in the aircraft cabin with a maximal load of up to 3,000 newtons.

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