Bumper clarification

[GaryVoshol]

Originally Posted by fruitcup

My team is a little confused on R19:



Does this mean that all corners must have at least 8" on each side, or only that if the side is < 8", then the whole side must be covered in bumpers.

I am specifically asking about the scenario below, where there is a gap in the front of the robot. Can the 2 sides surrounding the gap be less than 8" in length (e.g. 4")?



Clarification would be greatly appreciated!

That picture does not have two 4" sides. The "front" side with the gap is the same length as the "back" side with no gap, maybe 18 inches or so extrapolating. The front and back 18" sides each must be protected 8" from each corner. And since the BUMPER must attach firmly to underlying structure, that picture can't work.

That's what QA520 (quoted above) says.

[bEdhEd]

"at least 8 in. of BUMPER must be placed on each side of each outside corner"

This rule is surprisingly clear when read carefully.

The key is understanding what "each side of each outside corner" means. It means that for every extreme convex corner of your frame, the edges that intersect at that corner must have 8 inches of bumper starting from the point of intersection and ending at a minimum of 8 inches in the direction towards the opposing end of each respective edge.

Basically, any given side of a robot will have at least 16 inches of bumper, as each corner of that side will have a minimum of 8 inches.