Everyone also is going to need to apply the "common sense rule" when reading this update. This update is not saying "if your frame is 28"x38", but you have bolts that extend beyond this then you are A-ok."
Lawyering the rules is just making people overthink the intent of this update.
This update is saying that the bolt heads or rivets or whatever else might be outside the "
frame perimeter" still need to be within the 28"x38" max dimensions. Bumpers are still to be attached to the
frame perimiter, but are allowed to have small holes or pockets in the back of them to allow flush mounting to the
frame perimeter.
So if you are reading this new update as "hey, we can have bolts and stuff outside the 28"x38" package!" , I'm sorry, but you are mistaken. Make sure you have everything within the 28"x38" to avoid headaches when it comes to inspection time and you learn that your bot is really 28.5"x38.5" just because your bolts protrude a little too much. A half inch may not sound like much, but what if the protrusions in question are your drive axles? Good luck driving now.
Definintions to help understand this update (both are from the ORIGINAL manual):
Quote:
FRAME PERIMETER:
The polygon defined by the outer-most set of exterior vertices on the ROBOT (without the BUMPERS attached) that are within the BUMPER ZONE. To determine the FRAME PERIMETER, wrap a piece of string around the ROBOT at the level of the BUMPER ZONE - the string describes this polygon.
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Quote:
<R07-D>
Each BUMPER segment must be backed by a piece of ¾-inch thick by 5-inch tall piece of plywood. Each piece of BUMPER backing must be a minimum of 6 inches long. Small clearance pockets and/or access holes in the BUMPER backing are permitted, as long as they do not significantly affect the structural integrity of the BUMPER.
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