Quote:
Originally Posted by excel2474
R19
ROBOTS are required to use BUMPERS to protect all outside corners of the FRAME PERIMETER. For adequate protection, at least 8 in. of BUMPER must be placed on each side of each outside corner (see Figure 4-5). If a side is shorter than 8 in., the entire side must be protected by BUMPER (see Figure 4-6). For the purposes of R19, a round or circular FRAME PERIMETER has an infinite number of corners.
Maybe I'm not understanding that correctly, but I think it would be legal.
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No, you aren't understanding it correctly. The "side" that is being referred to is a side of the FRAME PERIMETER - it would be the entire side of the robot, including the gap in the actual frame. Wrap a string around the robot and pull it tight - that's the FRAME PERIMETER, and it spans openings like in the drawing. The two short bumpers in the drawing are both on the same side, and thus both have to be 8" or greater in length.