Model builders after consistent motor behaviour will appreciate the Team Powers TPR-BLR-TP123G-R50 Brushless Motor Rotor, engineered for compatibility with Actinium v3, v4 and v5 motors and focused on balanced rotation.
This rotor is 12.3mm in diameter, 7.2mm wide and 25.2mm long. Those dimensions are selected to keep runout low and support efficient mechanical transfer inside the Actinium motor series.
Fitting is a routine task for anybody used to motor maintenance, and the rotor fits Actinium v3 through v5 variants without extensive modifications, making it a practical upgrade across models.
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