Precision Tamiya 42157 - Transpeed BL 8.5T Brushless Motor for RC Cars [42157]

Tamiya 42157 - Transpeed BL 8.5T (12mm Rotor)

Price:

£85.18

Brand:

Tamiya

Model:

42157

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Compact rotor design for precise track performance

The Tamiya 42157 Transpeed BL 8.5T (12mm Rotor) motor is crafted to provide dependable torque and smooth acceleration for competitive RC racing. The 12mm rotor concentrates power into a compact frame that helps maintain steady handling and predictable response.

Top features of the Transpeed BL 8.5T

High Torque: The 12mm rotor delivers the torque needed for strong exits and consistent lap pacing.
Brushless Efficiency: Reduced maintenance demands and longer operational life than brushed types.
Compatibility: Built for use with Tamiya Volac Brushless systems, including Item 42127 and Item 42144.
Advanced Performance: Aimed at experienced competitors seeking exacting throttle control and high-speed capability.

Specifications

Motor Type: Brushless
Rotor Diameter: 12mm
Turns: 8.5T
RPM: 31680
KV Rating: 4400
Power: 292W
Efficiency: 93%

For racers who value compact torque and consistency, the Tamiya 42157 Transpeed BL 8.5T is a reliable motor choice. Its Volac compatibility makes it straightforward to match with approved Tamiya brushless controllers.

Is this suitable for touring car racing?

Yes, the motor's torque profile and size suit many touring car setups, provided your chassis mounting and gearing are compatible with a 12mm rotor unit.

How does it compare to brushed motors?

Brushless designs like this offer improved efficiency, higher power density and lower mechanical wear compared with brushed motors, resulting in less maintenance and better sustained performance.

What should I check after installation?

Confirm secure solder joints or connector seating, verify correct pinion mesh, and run the motor briefly to check bearing smoothness and temperature before competitive use.

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