Acuvance MerV-ERA 13.5T Motor - RedAcuvance MerV ERA 13. 5T Motor Red Feature: Acuvance have condensed the technology we have cultivated so far into a compact case, overturned the concept of 380 motors. Equipped with the unique system [MFCS] used in AGILE and FLEDGE. Even with a 380 motor with limited internal space, the rotor diameter and weight remain the same, and the characteristics can be changed to a rotation type or torque type without spoiling the original performance of the