Shark 46000 290 Gr/cm 12V

The NSR Shark 46k EVO: Reference Motor for Track Competition

The NSR Shark 46k EVO (ref. NSR3047) is one of the most widely used motors in 1/32 scale slot racing. With 46,000 rpm and a torque of 290 g·cm at 12V, it offers a combination of top speed and acceleration that makes it a very solid option for those seeking real performance without sacrificing drivability during a race.

Its short can format allows it to fit into chassis where space is limited, expanding the range of possible setups in both inline and anglewinder or sidewinder configurations, depending on the chassis design.

Main Features

• 46,000 rpm at 12V: high rotational speed, ideal for high-speed tracks or long straights.
• 290 g·cm torque at 12V: notable acceleration out of corners and low throttle response.
• Short can format: short body that facilitates installation in multiple chassis.
• Manufactured by NSR, a brand recognized for the precision and consistency of its motors in competitive slot racing.

Recommended Applications

The Shark 46k EVO fits particularly well in setups where a balanced power/torque ratio is sought. It is a common choice in club championships and in setups aimed at technical sport track layouts, although its versatility allows it to be adapted to different competition formats.

If combined with a well-chosen crown gear and pinion, and the gear ratio adjusted according to the track characteristics, this motor responds in a very predictable and consistent manner throughout a race.

Behaviour and Performance

The NSR Shark family motors stand out for their linear throttle response: acceleration is progressive and allows for precise control when entering corners. The torque of 290 g·cm at 12V ensures effective acceleration without the car becoming twitchy on technical tracks, making it especially useful for drivers who prioritise consistency over raw top speed.

The NSR construction ensures tight tolerances between batches, resulting in homogeneous motors: if you change a unit during a race, the behaviour is practically identical to the previous one.

Usage Recommendations

• Always perform a progressive break-in before pushing the motor to its limits: it helps to seat the brushes and prolongs the lifespan.
• Periodically check the braids of the car to ensure optimal current transmission to the motor.
• Adjust the gear ratio (crown/pinion) according to the layout: more gearing for long straights, more multiplication for technical tracks.
• Keep the motor clean from dirt and excess oil to preserve its performance.

Frequently Asked Questions

What is the difference between the Shark 46k EVO and other NSR motors?

The NSR Shark family offers different versions that vary in RPM and torque. The 46k EVO model is positioned in the high torque range (290 g·cm), distinguishing it from versions more oriented towards top speed with less acceleration. It is a balanced choice for mixed use: straights and corners.

Is it a motor suitable for beginners or only for competition?

Technically, it is a high-performance motor designed for competition setups. An experienced hobbyist can make good use of it, but if you are starting in slot racing, it may be more comfortable to begin with lower torque motors to learn how to manage acceleration.

In what mounting position can it be installed?

The Shark 46k EVO can be mounted in inline, sidewinder, or anglewinder configurations, depending on the chassis design. Its short can format increases compatibility with different pod designs.

How long does an NSR Shark motor last with regular club use?

With proper break-in and basic maintenance (cleaning and checking braids), these motors offer a very reasonable lifespan for club championship use. NSR also has a good supply of spare parts for its range of motors.

What crown/pinion ratio is recommended for this motor?

It depends on the layout and chassis. As a common starting point in competition, many tuners work with ratios between 3.5:1 and 4:1, adjusting based on the length of the straights and available grip. The best approach is to test and fine-tune according to track response.

The NSR Shark 46000 EVO motor (NSR3047) delivers 46,000 rpm and 290 g·cm torque at 12V in a compact short can format, making it a top choice for 1/32 slot car racing and club competition builds. Its linear throttle response and consistent performance lap after lap have made it a trusted option among slot car enthusiasts looking for reliable power in inline, sidewinder, or anglewinder setups.