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