Product Description of Spektrum M-SPMXSM1100 Firma 780Kv brushless motor
The Spektrum M-SPMXSM1100 Firma 780Kv brushless motor for 1/5 scale 8S RC setups is engineered for high-powered performance, thermal stability, and precision durability. Designed specifically for 1/5 scale vehicles running on 3S to 8S LiPo power, this sensorless inrunner motor delivers a commanding 6365W output when paired with a 6S battery, making it ideal for large-scale builds that demand torque-rich propulsion and sustained efficiency. The motor’s 4-pole rotor features a low-cog, 8-magnet design that ensures smooth startup and consistent power delivery across all throttle ranges. With a hardened steel 8mm shaft, CNC-machined aluminum housing, and high-purity copper windings, the Spektrum M-SPMXSM1100 motor is built to withstand the rigors of aggressive terrain and extended runtime. Preinstalled 6.5mm gold-plated bullet connectors simplify installation and ensure secure high-current connectivity, while precision ball bearings support smooth rotation and long-term reliability. Perfectly matched to the Firma 160 Smart ESC, this motor offers seamless integration for high-efficiency brushless builds.
Key features of the Spektrum M-SPMXSM1100 motor
- 4-pole rotor – delivers torque-rich propulsion and smooth power delivery for large-scale RC platforms
- 6365W output – supports high-speed performance and sustained acceleration under heavy load
- Low-cog rotor design – ensures smooth startup and throttle response across all RPM ranges
- CNC aluminum housing – enhances heat dissipation and structural durability for demanding terrain
- Hardened steel 8mm shaft – provides secure gear engagement and long-term mechanical integrity
- Precision ball bearings – reduce friction and support smooth, vibration-free rotation
How does the 4-pole rotor improve propulsion and control?
The Spektrum M-SPMXSM1100 4-pole motor with CNC aluminum housing and 8mm shaft utilizes a high-quality sintered rotor with four poles and eight magnets, designed to deliver torque-rich propulsion and consistent throttle response. This configuration minimizes cogging, especially during low-speed acceleration, and ensures that power delivery remains smooth and predictable across the full throttle range. For 1/5 scale RC vehicles, this translates into tighter handling, improved traction, and enhanced control during high-speed runs or technical terrain navigation.
What makes the 6365W output ideal for 1/5 scale brushless builds?
The Spektrum M-SPMXSM1100 with 6365W output and low-cog rotor design is optimized for high-efficiency performance when paired with a 6S LiPo battery. This power rating enables the motor to deliver rapid acceleration and sustained torque under heavy load, making it suitable for large-scale platforms that require both speed and endurance. Whether you're racing across open terrain or tackling rugged off-road conditions, the motor’s output capacity ensures that your vehicle maintains peak performance without thermal compromise.
How does the CNC aluminum housing enhance durability and cooling?
The Spektrum Firma motor with hardened steel shaft and precision ball bearings features a CNC-machined aluminum housing with integrated heat-sinking fins. This design improves thermal dissipation during extended operation, helping to maintain consistent internal temperatures and prevent overheating. The aluminum structure also adds rigidity, protecting internal components from vibration and impact. For RC enthusiasts pushing their vehicles to the limit, this housing ensures that the motor remains stable and reliable throughout demanding sessions.
Why is the hardened steel 8mm shaft critical for drivetrain integrity?
The Spektrum M-SPMXSM1100 sensorless inrunner motor with 6.5mm bullet connectors includes a hardened steel 8mm output shaft designed to withstand high torque loads and aggressive gear engagement. This shaft size is ideal for 1/5 scale drivetrains, providing a secure interface between motor and transmission components. The hardened steel construction resists wear and deformation, ensuring long-term mechanical integrity even under extreme stress. Combined with precision bearings, the shaft supports smooth rotation and reliable power transfer across all driving conditions.
What installation advantages do the 6.5mm bullet connectors offer?
The Spektrum M-SPMXSM1100 brushless motor for 1/5 scale 8S RC setups comes preinstalled with 6.5mm gold-plated bullet connectors, simplifying the installation process and ensuring secure high-current connections. These connectors are designed to handle the demands of 8S LiPo power systems, minimizing resistance and heat buildup during operation. Their gold-plated finish enhances conductivity and corrosion resistance, while the preinstalled configuration eliminates the need for soldering or custom adapters, allowing users to integrate the motor quickly and confidently into their build.
Is the Spektrum M-SPMXSM1100 motor compatible with Smart ESC systems?
The Spektrum 780Kv motor for high-efficiency 1/5 scale brushless builds is perfectly matched to the Firma 160 Smart ESC, offering seamless integration for users seeking intelligent control and telemetry feedback. While the motor itself is sensorless, its design complements the Firma ESC’s capabilities, enabling efficient power regulation and system monitoring. This compatibility ensures that users can build a cohesive, high-performance setup that balances raw power with smart diagnostics and protection features.
For RC enthusiasts building or upgrading large-scale brushless platforms, the Spektrum M-SPMXSM1100 Firma 780Kv brushless motor for 1/5 scale 8S RC setups delivers unmatched torque, thermal stability, and installation simplicity. Buy Spektrum M-SPMXSM1100 motor for 8S LiPo-powered RC vehicles.
Technical Specifications of Spektrum M-SPMXSM1100 Firma 780Kv brushless motor
Brand, Model and Product Type
- Brand: Spektrum
- Model: M-SPMXSM1100
- Product Type: Spektrum M-SPMXSM1100 Firma 780Kv brushless motor for 1/5 scale 8S RC setups, Spektrum M-SPMXSM1100 sensorless inrunner motor with 6.5mm bullet connectors, Spektrum M-SPMXSM1100 4-pole motor with CNC aluminum housing and 8mm shaft, Spektrum M-SPMXSM1100 with 6365W output and low-cog rotor design, Spektrum Firma motor with hardened steel shaft and precision ball bearings
Dimensions & Weight
- Product Length: 11.3 cm – supports secure mounting in 1/5 scale chassis
- Product Width: 5.6 cm – compact diameter for large-scale motor bays
- Outer Diameter: 5.6 cm – matches standard 1/5 scale motor mounts
- Product Weight: 1220 g – robust build for high-torque applications
- Shaft Diameter: 8 mm – hardened steel shaft for drivetrain stability
Performance & Electrical Specifications
- RPM/Volt (Kv): 780Kv – optimized for torque-rich propulsion and controlled acceleration
- Input Voltage Range: 11.1V–29.6V (3S–8S LiPo) – supports high-voltage brushless setups
- Maximum Continuous Current: 200A – enables sustained high-load operation
- Output Power: 6365W (on 6S LiPo) – delivers high-efficiency performance for large-scale builds
- Efficiency: 90% – minimizes energy loss and supports thermal stability
- Motor Type: Brushless Sensorless – simplifies setup and reduces mechanical complexity
- Motor Design: Inrunner – compact and efficient for enclosed motor compartments
- Number of Poles: 4 – supports smooth rotation and torque delivery
Construction & Materials
- Rotor Design: Low-cog 4-pole, 8-magnet – enhances throttle response and reduces startup hesitation
- Housing: CNC aluminum with heat-sinking fins – improves thermal dissipation and structural durability
- Shaft Material: Hardened steel – resists wear and ensures long-term mechanical integrity
- Bearings: Precision ball bearings – support smooth, vibration-free rotation
- Windings: Insulated high-purity copper – maximizes conductivity and thermal efficiency
Connectivity & Compatibility
- Connector Type: 6.5mm gold-plated bullet connectors – preinstalled for secure high-current connections
- Wire Gauge: 10 AWG – supports high-amperage flow with minimal resistance
- Recommended ESC: Spektrum Firma 160 Smart ESC – ensures optimal pairing and performance
What’s in the Box
- (1) Spektrum Firma 5613-780Kv Sensorless 1/5 Brushless Motor with 6.5mm Gold Plated Bullet Connectors
What You Require
- Electronic Speed Control such as the Spektrum Firma 160 Smart ESC
