Rule R406 | FRCTools

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R406 *Team number on bumpers. Team numbers must be displayed and positioned on the Bumpers such that an observer walking around the perimeter of the Robot can unambiguously tell the teams number from any point of view and meet the following additional criteria:

A. consist of only white Arabic numerals at least 4 in. (~11 cm) high, at least ½ in. (~13 mm) in stroke width,

The ½ in. (~13 mm) stroke width requirement applies to the majority of the stroke. Font elements less than ½ in. (~13 mm) such as serifs, rounded edges, small hairlines or gaps, etc. are permitted as long as the majority of the stroke meets the sizing requirement and the numbers are unambiguous.

B. must not wrap around sharp corners (less than 160°) of the Frame Perimeter, and

C. may not substitute logos or icons for numerals.

There is no prohibition against splitting team numbers onto different sections of Bumper. The intent is that the teams number is clearly visible and unambiguous so that Judges, Referees, Announcers, and other teams can easily identify competing Robots.

This marking is intended to display the team number only, not to intentionally change the surface characteristics of the Bumper. Excessive material usage as part of any team number marking will invite close scrutiny.

Similar Rules

R405 *Bumpers indicate your alliance. Each Robot must be able to display red or blue Bumpers to reflect their Alliance color, as assigned in the Match schedule distributed at the event (as described in Section 11.1 MATCH Schedules). Bumper markings visible when installed on the Robot, other than the following, are prohibited:

R410 *Bumpers must be supported. Bumpers must be supported by the structure/frame of the Robot (see Figure 9‑9). To be considered supported, a minimum of ½ in. (~13 mm) at each end of each Bumper wood segment must be backed by the Frame Perimeter (≤¼ in. gap, ~6mm). Ends exclude hard Bumper parts which extend past the Frame Perimeter permitted by R408-B. Additionally, any gap between the backing material and the frame:

R401 *Bumpers should protect all corners. Robots are required to use Bumpers to protect all outside corners of the Frame Perimeter. For adequate protection, at least 6 in. (~16 cm) of Bumper must be placed on each side of each outside corner (see Figure 9‑3) and must extend to within ¼ in. (~6 mm) of the Frame Perimeter corner. If a Frame Perimeter side is shorter than 12 in. (~31 cm), that entire FRAME PERIMETER side must be protected by a Bumper (see Figure 9‑4). A round or circular Frame Perimeter, or segment of the Frame Perimeter, is considered to have an infinite number of corners, therefore the entire frame or frame segment must be completely protected by Bumpers.

R408 *Bumper construction. Bumpers must be constructed as follows (see Figure 9‑7):