3Racing 3RAC-MHS006/BU Racing Heat Sink and Fan for 280/300 Motors  [3RAC-MHS006/BU]

3RACING Motor Heat Sink W/ Fan For 280/300 Motor (High Finger) - Blue - 3RAC-MHS006/BU
Price:
USD$4.90
Brand:
3Racing
Model:
3RAC-MHS006/BU
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Race oriented thermal management

The 3Racing 280/300 Motor Heat Sink with Fan is engineered for competitive use where thermal consistency matters. The high density fin array increases convective surface area while the integrated fan forces cooling air across the motor housing during repeated high current runs.

Consistent lap to lap performance

Lowering motor temperature reduces thermal roll back and helps maintain torque and RPM under repeated stress, which is valuable for tuning and consistent lap times. The blue anodised finish provides abrasion resistance while keeping weight low.

Plug and play fitment for common motor packages

Designed to clamp to standard 280 and 300 motor shells, this heat sink requires no extensive modification for most competition motors. Its simple installation allows quick swaps during setup or between testing sessions.

The taller finger style increases exposed aluminium area and reduces thermal resistance, allowing heat to move away from the motor casing faster when combined with the fan airflow.
For reliable operation use a regulated receiver or ESC output that matches the fan voltage rating to avoid voltage spikes that could reduce fan lifespan.
Yes, this heat sink is a low weight, high reward cooling upgrade that complements gearing, motor selection, and ESC programming in a performance focused setup.