This 4000KV brushless DC motor is built for high-performance RC boats, delivering strong thrust, fast acceleration, and reliable speed. It features ultra-thin 0.2mm stator laminations and high-purity copper windings for efficient power output and reduced heat. A precision-balanced rotor ensures smooth operation, while the integrated automatic water-cooling system helps maintain optimal temperature. Compact and rated for up to 120A, it’s ideal for demanding RC marine use.
Specification
| Model |
BLDC-RB-2968 |
| Rotational Speed |
4000KV |
| Maximum Current |
120A |
| Maximum Voltage |
15V |
| Maximum Power |
1800W |
| Length |
68 mm |
| Diameter |
29 mm |
| Winding Type |
DELTA |
| Number of Turns |
2.5T |
| No-load Current |
2.9A |
| Max. Speed |
60000KV |
| Shaft |
4 mm |
| Number of Rotor Stages |
4 |
| Weight |
185 g |
Features
- 4000KV motor with 4-pole 12-slot design.
- CNC-machined 6061-T6 aluminum heat sink.
- High-purity copper winding.
- Oversized ABEC5 high-speed bearings.
- Precisely balanced rotor, high-speed stability and reduces vibration.
- Ultra-thin 0.2mm stator laminations.
- Removable and replaceable rotor design.
- Precision engineering for high energy conversion.
Dimension (Unit: mm)
Applications
Q: Is cooling necessary for RC boats?
A: Yes, cooling is often necessary for RC boats, especially those with powerful electric or nitro engines. During operation, the BLDC motor and electronic speed controller (ESC) can generate a lot of heat. Without proper cooling, these components might overheat, which can lead to reduced performance or even permanent damage. Many RC boats use water-cooling systems that circulate water from the lake or pond through the motor or ESC to keep temperatures under control.
