The paper provides a shelled track using bent track shoes for flexible mono-tread mobile track (FMT). Some previous prototypes of FMT could run on various rough terrains. However, edge of the track shoes deflected when they touched to a prominence of obstacles and interfered to the body. The side surface of the FMT was not covered with the track shoes, and thus the weak parts made from ABS plastic were broken. Therefore, we propose a shelled track for FMT, develop a prototype, RT05-COBRA and evaluate mobility via random step fields.
