I was just wondering how the loss of 20 inches for the perimeter is affecting designs…any thoughts?
The ROBOT must satisfy the following size constraints:
[li]total length of the FRAME PERIMETER sides may not exceed 112 in. (see Figure 4-1 for examples),
[/li]> [li]PLAYING CONFIGURATION horizontal dimensions may never exceed a 54 in. diameter vertical cylinder (see G23), and
[/li]> [li]height may never exceed 84 in. tall.
Actually, no. Our team is currently considering a dedicated climb-deposit bot which is essentially a shortened version of the kitbot frame. The smaller perimeter is not really that bad, as this year’s game does not need very large robots.
My team has not run into any problems just yet. With this said however we foresee great difficulty fitting both a climbing mechanism and our shooter onto the chassis. With what is probably one of the hardest endgames in the last few years; I wish they had left the size the same at least for this year.
You’re right, it is never called out specifically. However, it does say that
A ROBOT’S horizontal dimensions may never exceed a 54 in. diameter vertical cylinder.
And in the glossary, ROBOT is defined by (emphasis mine):
ROBOT: an electromechanical assembly built by an FRC Team to perform specific tasks when competing
in ULTIMATE ASCENT. It includes all of the basic systems required to be an active participant in the game: power,
communications, control, mobility, and actuation. …
So are bumpers a part of the robot required to be an active participant?
On one hand yes, as you are required to have them to compete.
On the other hand no, as bumpers are defined in the glossary as
BUMPER: a protective assembly designed to attach to the exterior of the ROBOT…
and thus something that attaches to the robot as opposed to being an actual part of the robot.
Unless I am missing something in the rules?
Clarification on this would be useful by Q&A if there isn’t anything else providing guidance.
Personally, I believe the intent is that the Bumpers are to be included for purposes of measuring the 54 in. cylinder
For the purposes of determining compliance with the weight and volume limitations, the items listed below are not included in the weight assessment:
the ROBOT battery and its associated half of the Anderson cable quick connect/disconnect pair (including no more than 12 in. of cable per leg, the associated cable lugs, connecting bolts, and insulation) and
BUMPERS (including BUMPER covers, if appropriate).
The 54" diameter right cylinder would be considered a volume limitation, I would imagine…
I think clarification for whether the bumpers count in the 54" determination is very important, and hopefully we will know soon. As MrForbes says, the safe bet is to assume that it does until then. (Better to have a robot that is a little smaller than it is allowed to be than one that is too large.)
We put together our frame last night, and measured it at 110.5".
I’m liking this rule change more and more… you don’t have to intentionally design undersized so your bolt heads fit in the sizing box - just make it to the dimensions you want and ignore the bolt heads (per R02)!