Boeing 777X: Foldable Wingtip and Advantages of the Aluminum-Lithium Fuselage Over Carbon-Reinforced Plastic

Foldable wingtips have been seen in military aviation for a long time and the reason to have such a mechanism is the same on the military and civil side: Minimize the wingspan and space used while taxiing and parked. Boeing has already got the experience of foldable wingtips with its F/A-18 Hornet and the planned introduction of foldable wingtips on the 777-200. Boeing’s challenge will be a blend of proven technologies and new technologies to save weight and maintenance costs while aiming for… (airinsight.com) Plus d'info...