
Spektrum RC Firma 3660 4-Pole Sensorless Brushless Motor (4000kV)
About this part
Motor Overview:
The Spektrum™ Firma 3660 4-Pole Sensorless Brushless Motor is a high-performance replacement motor designed for the Arrma® Vorteks 223S and Quake 223S DSC platforms. It's also an excellent upgrade option for other platforms such as the Arrma Fury 223S or the Arrma Infraction BLX when running on 2-3S power. Built for strength, efficiency, and smooth operation, this brushless motor delivers reliable torque and consistent speed for demanding RC applications.
About the Firma 3660 Brushless Motor
Precision & Power
Featuring a four-pole rotor design, the Firma 3660 provides superior torque and throttle response. Its CNC-machined aluminum housing ensures optimal heat dissipation and durability, while insulated high-purity copper windings promote efficient power transfer. The five-millimeter alloy steel output shaft provides extra strength and smooth rotation, reducing wear over time. With preinstalled four-millimeter gold-plated bullet connectors, installation is quick and hassle-free, getting you back on the track faster.
Features:
- 2-3S LiPo power compatible for versatile performance
- 4-pole rotor design delivers strong torque and smooth control
- CNC-machined aluminum housing improves cooling and durability
- Insulated high-purity copper windings enhance efficiency
- 5mm alloy steel output shaft ensures strength and reliability
- Preinstalled 4mm gold-plated bullet connectors for easy setup
Includes:
- (1) Firma 3660 4-Pole Sensorless Brushless Motor
Specifications:
| Motor Type | Brushless |
|---|---|
| RPM/Volt (kV) | 4000kV |
| Input Voltage | 2-3S LiPo (7.4-11.1V) |
| Motor Size | 3660 |
| Poles | 4 |
| Length | 2.36in (60mm) |
| Diameter | 1.41in (36mm) |
| Shaft Length | 0.87in (22mm) |
| Shaft Diameter | 0.19in (5mm) |
| Weight | 10.58oz (300g) |
| Motor Connector | 4mm Bullets |
CA Residents Prop 65 Warning
WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov Details...Reviews5.0 · 1 review
Working great in my Gorgon plenty of power and speed equivalent to my Quake