3Racing 3RAC-MHS005/BU 540 Motor Cooling Fan Heat Sink - Performance Focus  [3RAC-MHS005/BU]

3RACING Motor Heat Sink W/ Fan For 540 Motor (Fan-Shaped) - Blue - 3RAC-MHS005/BU
Price:
USD$4.90
Brand:
3Racing
Model:
3RAC-MHS005/BU
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Targeted Thermal Control for 540 Racing Motors

The 3Racing motor heat sink with fan is engineered for 540 can-style motors to provide targeted heat evacuation during high duty cycles. The compact blue fan housing directs airflow across the motor can to reduce thermal buildup in sustained use.

Maintain Consistent Output and Component Life

By lowering peak operating temperatures, this heat sink helps preserve motor efficiency and limits thermal degradation of internal components. The additional airflow assists in keeping voltage and power delivery more consistent over repeated runs.

Rapid Fitment for Quick Setup Changes

The unit is designed for quick installation on standard 540 motors to minimise pit time. Its form factor integrates with common motor mounts and chassis arrangements used in competitive racing, making it an accessible tuning item for setups that need better thermal headroom.

How does the heat sink affect motor temperature under repeated runs?

The combined fin area and fan airflow help reduce peak temperature increases between runs, which can improve repeatability for lap times and reduce risk of thermal cutback.

Any setup tips for maximising airflow?

Ensure the fan intake and exhaust are unobstructed, route wiring clear of the airflow path, and verify clearances to bodywork to maintain efficient cooling.

Is this suitable for tight, compact chassis layouts?

It is compact by design but confirm internal clearances and sensor leads; minimal trimming or repositioning of adjacent components may be required for very tight builds.