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:

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).

R407       *BUMPERS shouldn’t be wedges. BUMPERS must not act as wedges when interacting with other BUMPERS.

R409       *BUMPERS should be passive. BUMPERS must be fixed relative to the ROBOT PERIMETER. BUMPERS may not contain any moving elements (beyond compression and flex of BUMPER materials) or electrical elements.