Quote:
Originally Posted by Madison
Out of curiosity, why do you think that the 6" length must be entirely backed by plywood?
I don't yet disagree, necessarily, but I'm trying to find a reason to. 
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"A. BUMPERS must be built in segments, with a minimum length of six inches, ..."
"C. Each BUMPER segment must be backed by a piece of 3/4-inch thick by 5-inch tall piece of plywood."
"J. Corners and joints between BUMPER segments may be filled with short pieces of vertically oriented pool noodle, by wrapping the pool noodles around the corners, or by beveling the ends between adjacent segments so they form a tight and complete protective surface (see Figure 8 – 2)."
So foam can extend beyond the ends of the plywood to protect a robot corner, but the plywood must back up the entire bumper segment length.
And, maybe to answer my previous question, Figure 8-6 in the trailer hitch rule seems to show a wide-front robot. But then, the trailers in that figure aren't regular hexagons either, so maybe it's just a distorted drawing.