How is 54" size limit being inspected?

[dtengineering]

What we can be sure of is that if any two points on the robot are more than 54" apart then they violate the rule.

There are also many machines that clearly are not in violation of the rule.

That leaves some "borderline" machines, but likely not many. It might be easiest to tape off a 54" circle, tangent to a wall, extend the appendage to touch the wall, and then place the robot inside the circle.

Just so long as we don't have that silly hoop back again. What year was it that we had the big hula hoop?

Jason