Abstract
An inspection robot with a payload includes a first sled assembly including a first forward sensor mount group and a second rearward sensor mount group. The first forward sensor mount group is positioned at a first characteristic horizontal position, and the second rearward sensor mount group is positioned at a second characteristic horizontal position. The inspection robot with the payload also includes a second sled assembly comprising a third forward sensor mount group and a fourth rearward sensor mount group. The third forward sensor mount group is positioned at a third characteristic horizontal position, and the fourth rearward sensor mount group is positioned at a fourth characteristic horizontal position. The inspection robot with the payload also includes a payload mount. The first sled assembly is coupled to the payload mount at a first mounting position.