Overview
The CubeMars GL40 KV70 brushless DC motor is purpose-built for high-end gimbal systems, radar platforms, aerial pods, autonomous driving sensors, and precision camera stabilization. Weighing only 107g, this motor delivers 0.25Nm rated torque with an 8mm large hollow shaft for easy signal and power cable routing. Its low cogging torque design ensures ultra-smooth motion, while IP45 dustproof and waterproof protection enhances reliability in demanding environments. Optimized electromagnetic engineering reduces energy consumption and noise, making it ideal for prolonged operation in professional applications.
Key Features
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Low Cogging Torque – Minimizes torque ripple for precise, stable control in gimbal systems.
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Large 8mm Hollow Shaft – Facilitates easy cable integration for complex payloads.
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Lightweight & Compact – Only 107g, yet provides high torque density for portable or airborne systems.
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Targeted Electromagnetic Design – Low power draw and quiet operation for extended missions.
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Durable Build with IP45 Rating – Dustproof and waterproof for reliable outdoor performance.
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Wide Application Range – Compatible with AlexMos Gimbal Controllers, handheld gimbals, aerial pods, LiDAR scanners, and autonomous vehicle sensors.
Specifications
| Category | Details |
|---|---|
| Application | Gimbal, Radar |
| Driving Way | FOC |
| Operation Temperature | -20℃ ~ 50℃ |
| Winding Type | Star |
| Phase | 3 |
| Pole Pairs | 14 |
| Insulation Class | H |
| Insulation High Voltage | 500V 5mA/2s |
| Insulation Resistance | 500V 10MΩ |
| Weight | 107g |
| Waterproof/Dustproof | IP45 |
Electrical Parameters (KV70)
| Parameter | Value |
|---|---|
| Rated Voltage (V) | 16 |
| No-Load Speed (rpm) | 1015 |
| Rated Torque (Nm) | 0.25 |
| Peak Torque (Nm) | 0.5 |
| Rated Speed (rpm) | 430 |
| Rated Current (A) | 1.62 |
| Peak Current (A) | 3.3 |
| Kv (rpm/V) | 63.5 |
| Ke (V/krpm) | 15.00 |
| Kt (Nm/A) | 0.150 |
| Phase Resistance (mΩ) | 4500 |
| Phase Inductance (µH) | 1800 |
| Inertia (g·cm²) | 74 |
| Km (Nm/√W) | 0.07071 |
| Mechanical Time Constant (ms) | 1.48 |
| Electrical Time Constant (ms) | 0.40 |
| Max Torque-to-Weight Ratio (Nm/kg) | 4.67 |
Applications
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Professional gimbal stabilization systems
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Drone camera pods and LiDAR scanners
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Autonomous vehicle navigation and sensing systems
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Handheld camera stabilizers
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Aerial photography and videography platforms
Manual Downloads
Details
CubeMars GL40 KV70 Brushless Gimbal Motor dimensions: Ø24mm, 46.5mm length, 4-M3 screws, three-phase wiring pad.

CubeMars GL40 KV70 Brushless Gimbal Motor: 16V, 1015 RPM no-load, 0.25 Nm rated torque, 1.62 ADC current, 430 RPM rated speed, 3-phase, 14 pole pairs, -20°C to 50°C operation, 107g weight, 4.67 Nm/kg max torque weight ratio.

CubeMars GL40 KV70 Brushless Gimbal Motor: 16V, 3120 rpm no-load, 0.25 Nm rated torque, 4.9 ADC current, 195 rpm/V Kv, 500 mΩ resistance, 180 μH inductance, 107g weight, 7.01 Nm/kg max torque weight ratio.

CubeMars GL40 KV70@16VDC motor analysis chart. Displays output power, efficiency, current, and speed against torque. Efficiency peaks at mid-torque, while power and speed decrease with increasing torque.

CubeMars GL40 KV210@16VDC motor performance: Output power, efficiency, current, and speed plotted against torque. Efficiency peaks around 80 mN.m, with output power reaching 80W at higher torques.

Small size with larger hollow shaft. Low cogging and energy consumption. GL series motors for high-end gimbal systems, autonomous driving, ensuring continuous smooth experience. Models: GL100, GL80, GL60, GL40, GL35, GL30.

IP45 waterproof, dustproof gimbal motor for drones, autonomous driving systems.

CubeMars GL40 KV70 Brushless Gimbal Motor: 107g, smaller, ultralight, lower consumption, lower noise. Ideal for handheld gimbals and air pods.

GL40 KV210 motor offers an 8mm hollow shaft, low cogging, easy cable insertion, and improved control for smooth driver system integration.

CubeMars GL40 KV210 brushless gimbal motor with stator and rotor, warning against using too long screws.

CubeMars GL40 KV70 Brushless Gimbal Motor: 16V, 11.2W, 0.25Nm torque, 1.62A current, 430 RPM speed, 0.5Nm peak torque, 3.3A peak current, 1015 no-load RPM, 4500 mΩ resistance, 1800 μH inductance, 14 pole pairs, 107g weight, φ46.5*21.5mm size.
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