Managing heat keeps a 540 motor performing consistently. The 3RACING 3RAC-MHS003/PU fan-shaped heat sink directs air across the motor body to help control temperatures during longer runs or heavier loads.
The purple fan profile gives a neat visual upgrade while fitting most standard 540 motors. Its clip-on format makes it a practical choice for pilots who want extra cooling without adapting their motor mount.
Clip the heat sink onto the motor and set the fins to guide airflow along the can. Correct orientation is key to getting the best cooling effect and keeping the motor stable under load.
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