Motor Overview:
Spektrum RC Firma 2838 Sensorless Brushless Motor. This replacement Firma 2838 motor is intended for the Arrma Mojave and Typhon Grom platforms, however, it can be a great upgrade for other mini platforms compatible with a 380-size motor in need for more power, speed and performance!
Features:
- 2-3S LiPo battery Capable
- Smooth Sensorless performance
- Balanced torque and speed for all terrain performance
- Waterproof design for all weather fun
- low-cog 4-pole rotor design
- Precision bearings for durability and smooth rotation
- CNC machined aluminum housing to maximize heat dissipation
- High-quality alloy steel 3.17mm output shaft
Includes:
- (1) Firma 2838 4500kV Sensorless Brushless Motor
Specifications:
| Type | Sensorless Brushless |
|---|---|
| kV Rating | 4500kV |
| Input Voltage | 2-3S (7.4-11.1V) |
| Diameter | 0.9in (23mm) |
| Length | 1.5in (38mm) |
| Shaft Diameter | 0.13in (3mm) |
| Shaft Length | 0.55in (14mm) |
| Connector | 3.5mm Bullet |
This product was added to our catalog on May 22, 2025
- Arrma Mojave Grom
- Arrma Typhon Grom
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