3Racing 3RAC-MHS7/BU/V2 Performance Cooling Module  [3RAC-MHS7/BU/V2]

3RACING Engine Heat Sink Extended Motor Heat Sink W/ Fan Ver.2 For 540 Motor (High Finger) - Blue - 3RAC-MHS7/BU/V2
Price:
USD$6.10
Brand:
3Racing
Model:
3RAC-MHS7/BU/V2
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Thermal Control for Competitive 540 Setups

The 3Racing 3RAC-MHS7/BU/V2 is engineered for racers seeking consistent thermal management on standard 540 motors. The fan-driven heat sink promotes continuous airflow over the fin surfaces, lowering core temperature during repeated high-load intervals. Effective temperature control reduces the risk of thermal cutback and supports repeatable lap times in tuned setups.

Technical Highlights

  • Active Heat Rejection: The fan forces air through fin channels to accelerate heat transfer away from the motor casing.
  • Durable Construction: Materials selected for reliable performance under frequent track use and easy serviceability.
  • Compatibility: Designed to interface with common 540 motor mounts for quick integration into race platforms.
  • Tuning Friendly: Minimal added mass to the motor assembly and simple installation make it suitable for setups where component weight and cooling are part of the tuning window.

How does improved cooling affect sustained RPM runs?

Lower motor temperatures reduce the chance of thermal roll-off, helping maintain torque and RPM stability during repeated high power periods common in race heats.

Are there tuning considerations after adding the 3Racing 3RAC-MHS7/BU/V2?

You may find consistent temps allow more aggressive timing or gear choices; always monitor motor temps during test runs and adjust gearing or ESC settings as required.

What maintenance keeps performance optimal?

Regularly clear debris from fins and confirm the fan spins freely. Periodic checks of the mounting and wiring ensure no heat or vibration-related loosening occurs.