[EricH]

Originally Posted by dhoizner

As long as the plywood backing of the bumpers does not extend past the 38x28 starting envelope of the robot, you can have an all-emcompassing bumper.

Check <R37>--you're off by an inch or so.

Originally Posted by <R37>, Section 8, 2007 Manual

• In the STARTING CONFIGURATION, STANDARD BUMPERS may extend outside the horizontal dimensions for the ROBOT (as specified in Rule <R07>) by up to a maximum of 3- 1/2 inches per side. Nothing other than pool noodles and cloth can extend more than 1 inch beyond the ROBOT boundaries.
• Hard bumper parts MUST NOT extend into the corners.

It's 1" outside the robot for the plywood, up to 3.5" for everything else. No plywood in the corners.

Custom bumpers are another story.