SC-18 motor at 25000rpm

The Scaleauto SC-18 motor demonstrates that in slot racing, size does not determine performance.

Belonging to the 1/32 spare parts range of Scaleauto and framed within the short can family, this motor in Slim Can format addresses one of the most common challenges in the preparation of F1 single-seaters and narrow chassis classics: finding a power unit that fits, does not penalise the centre of gravity, and can withstand long competition sessions without losing consistency.

Main features

• Speed: 25,000 rpm at 12 V
• Torque: 82 gr*cm
• Consumption: 0.14 A
• Dimensions: 26.9 × 15.5 × 12 mm
• Can type: Slim Can (narrow)
• Axle diameter: 1.5 mm
• Sealed endbell

Behaviour and performance

With 25,000 rpm at 12 V, the SC-18 offers a linear and progressive acceleration that facilitates control in corners, especially in low-inertia chassis. Its consumption of just 0.14 A makes it one of the most efficient motors in its category, translating into better utilisation of the circuit's power supply and a more consistent response throughout the entire lap.

The sealed endbell serves two essential functions in this format. On one hand, it prevents track dust and particles from tyres from entering the collector, maintaining optimal internal electrical contact during long races. On the other hand, it acts as a guarantee of fairness in competition: any breakage of the seal indicates tampering, which is why many club regulations and one-make championships expressly require this type of motor. Furthermore, in such a compact can as the Slim Can, sealing contributes to the overall rigidity of the structure, reducing vibrations that could misalign the axle or accelerate bearing wear.

Recommended applications

The SC-18 is designed for setups where longitudinal and lateral space is critical:

• Single-seaters and Formula 1 cars in 1/32 scale, both in inline and sidewinder configurations, where the width of the can affects the chassis design.
• Classics and narrow-bodied saloons with limited interior space.
• Competition categories that regulate the use of motors with sealed endbell.
• Enthusiasts looking for a plug & play motor, without the need to adjust braids or collector before racing.

Usage recommendations

The standard 1.5 mm axle is compatible with the vast majority of pinions on the 1/32 market, facilitating fine-tuning of the gear ratio without the need for adapters. To make the most of the available torque, it is recommended to start with a moderate pinion-crown ratio and adjust progressively based on the track layout. As a sealed motor, it requires no internal maintenance: periodic external cleaning and checking the condition of the axle and chassis bearings are sufficient.

Frequently asked questions

What is the difference between a Slim Can and a standard can?

The Slim Can is narrower than the standard can (normal Can), allowing the motor to be installed in chassis with less interior width. Conversely, the greater narrowness may slightly limit the size of the winding, although in the SC-18, Scaleauto has optimised the design to maintain a competitive torque of 82 gr*cm.

Can I replace the SC-18 with another standard can motor without modifying the chassis?

Not necessarily. The advantage of the Slim Can format is precisely its reduced width. If your chassis is designed for this measurement (26.9 × 15.5 × 12 mm), a standard can motor may not fit without modifications. Always check the dimensions of the housing before changing the power unit.

Does the sealed endbell mean that the motor requires no maintenance?

Correct regarding the interior of the motor. The sealed endbell prevents access to the collector and braids without breaking the structure. Maintenance is limited to external cleaning, checking the axle, and taking care of the chassis bearings. Opening the seal invalidates the motor for competition categories that require it.

What pinions are compatible with the 1.5 mm axle?

The 1.5 mm diameter is the most widely used standard in the 1/32 market, compatible with the vast majority of pinions from common competition brands. Just verify that the pinion pitch (number of teeth and module) is suitable for the crown gear you are using in your setup.

Is this motor valid for one-make or closed regulation categories?

It depends on the specific regulations of each club or championship. The sealed endbell is one of the common requirements in these types of categories, and the SC-18 meets this. Always consult the specific regulations to confirm that this motor is homologated before entering a race.

What mounting orientation does the SC-18 support?

As a Slim Can short motor, it can be mounted in inline configuration (motor shaft in line with the rear axle of the car) or sidewinder (motor shaft parallel to the rear axle), depending on the design of the receiving chassis. The choice of orientation affects the centre of gravity and cornering behaviour, so it is advisable to respect the configuration for which the chassis was designed.

The Scaleauto SC-18 is a high-performance Slim Can motor delivering 25,000 rpm at 12V with 82 gr*cm torque, designed for 1/32 scale slot car racing. Its sealed endbell ensures consistent performance and compliance with competitive regulations, while the 1.5 mm axle guarantees broad pinion compatibility. A reliable choice for F1 and classic slot car chassis where compact dimensions and race-ready reliability are non-negotiable.