R103       *ROBOT weight limit. The ROBOT weight must not exceed 115.0lb (52.16kg). When determining weight, the basic ROBOT structure and all elements of all additional MECHANISMS that might be used in a single configuration of the ROBOT shall be weighed together (see I103). For the purposes of determining compliance with the weight limitations, the following items are excluded:

R409       *BUMPERS should be passive. BUMPERS must be fixed relative to the ROBOT PERIMETER. BUMPERS may not contain any elements which move during the MATCH or electrical elements.

R108       ROBOT extension floor interaction ROBOT extensions may not interact with the carpet, BUMPS, or TOWER BASE such that the BUMPERS are lifted out of the BUMPER ZONE (see R405).

R410       *BUMPERS must come off. BUMPERS must be designed for installation and removal to facilitate inspection and weighing.