The main objective of this paper is to describe a methodology to be applied in the preliminary design of a tiltrotor wing based on previously developed conceptual design methods. The reference vehicle is the Next-Generation Civil Tiltrotor Technology Demonstrator (NGCTR-TD) developed by Leonardo Helicopters within the Clean Sky research program framework. In a previous work by the aut... https://www.roneverhart.com/Heel-Elbow-Protectors-Premium-Heel-Elbow-Protector-Blue-Medium-Pair-66053/