官方問答: VEX U Robotics Competition 2026-2027: Override

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3178: Does <R28c> apply to both 5.5W and 11W motors for custom motor caps in VEX U?


CSTU
29-Jun-2026

According to <R28c>: "For the purposes of this rule, the V5 Smart Motor Cap is not considered 'part of the motor.' Therefore, <R27> applies." This clause does not specify which motor it applies to — it uses the general term "the V5 Smart Motor Cap."

However, in <R28a-ii>: "Removing or replacing the screws from the V5 Smart Motor Cap (276-6780)", the rule explicitly identifies the 11W motor's cap (276-6780) as the one whose screws may be removed, without mentioning the 5.5W motor.

Given that:

  1. Clause (c) is at the same letter-level as clause (a) under <R28> — it is a standalone, rule-level definition, not a sub-item of (a);
  2. Both the 11W (276-4840) and 5.5W (276-4842) V5 Smart Motors use the same V5 Smart Motor Cap (SKU 276-6780);
  3. Clause (c) defines the cap as "not part of the motor," meaning removing/replacing it is not a "modification to the motor" at all;

My questions are:

  1. Does <R28c> apply equally to both the 5.5W and 11W V5 Smart Motors?
  2. For VEX U, can teams remove the original motor cap from a 5.5W motor and replace it with a custom 3D-printed cap, just as they can with the 11W motor?