27z 16mm Crown Gear Anglewinder

NSR 27z 16mm Anglewinder Crown Gear: Custom Transmission for Your NSR Cars

The NSR6527 is a 27-tooth crown gear with a diameter of 16 mm designed for the 15° anglewinder configuration of NSR cars. A replacement and tuning component that allows for precise adjustment of the gear ratio without compromising the alignment of the drivetrain.

Main Features

• Reference: NSR6527
• Number of Teeth: 27z
• Diameter: 16 mm
• Angle: Anglewinder 15°
• Recommended Compatible Pinions: NSR71XX series with a diameter of 7.5 mm

Function and Performance

In the anglewinder configuration, the motor is positioned at an angle relative to the rear axle, allowing for a more favourable weight distribution and efficient transmission. The crown gear is a critical component in this setup: its number of teeth directly determines the final gear ratio and, therefore, the top speed and acceleration of the car on track.

With 27 teeth, this crown gear offers a gear ratio suited for circuits that combine straights with technical corners, providing a balance between acceleration and top speed. It is a common choice in club configurations and setups for championships where NSR is a reference.

Compatibility and Installation

Specifically designed for NSR cars with anglewinder configuration. The recommended pinions are from the NSR71XX series, with a diameter of 7.5 mm, ensuring correct meshing and transmission without unnecessary play.

To achieve the best performance, it is advisable to check the alignment between the crown gear and pinion during installation, ensure there is no excessive lateral play, and apply a minimal amount of specific slot gear lubricant.

Common Errors

• Installing the crown gear with pinions of a different diameter than recommended, which results in poor meshing or premature wear.
• Not checking the axial alignment between the crown gear and pinion before running, especially after chassis or motor changes.
• Using excessive lubricant, which can attract dirt and ultimately harm the transmission.

Frequently Asked Questions

Is this crown gear suitable for sidewinder or inline configurations?

No. The NSR6527 is specifically designed for the 15° anglewinder configuration. For other motor configurations, NSR offers crown gears with geometry suitable for each setup.

Which pinions should I combine it with?

NSR recommends the pinions from the NSR71XX series, with a diameter of 7.5 mm. Using pinions of different sizes may compromise meshing and performance.

When is it advisable to choose a 27-tooth crown gear over other options?

A 27z crown gear offers an intermediate gear ratio. If you are looking for more top speed, you can reduce the number of teeth; if you need more acceleration or the circuit is very technical, a crown gear with more teeth may be more suitable. Always in combination with the correct pinion.

How often should the crown gear be changed?

It depends on usage and maintenance. In club use with well-adjusted bearings and proper lubrication, the lifespan is long. It is advisable to inspect it periodically for wear on the tooth flanks or deformations.

The NSR6527 is a 27-tooth, 16mm anglewinder crown gear (15°) designed for NSR slot cars. Compatible with NSR71XX pinions (7.5mm diameter), it delivers precise gear mesh and consistent power transmission for anglewinder setups. An essential spare part and tuning component for NSR slot car racing enthusiasts looking to fine-tune their gear ratio for club racing or competitive championship use.