Shenzhen HengDrive Technologies Co., Ltd. is one of the most reliable manufacturers and suppliers of evtol rotor motor in China. With abundant experience, we warmly welcome you to wholesale bulk evtol rotor motor made in China here from our factory. We also accept customized orders.
Product Overview
Our eVTOL Rotor Motor is purpose-built for low-altitude aircraft including eVTOL, heavy-lift drones, and urban air mobility (UAM) platforms. Operating at 48V–400V, it delivers up to 50 Nm torque with peak efficiency ≥94%. Advanced electromagnetic design enables high power density (≥8 kW/kg) and reliable thrust for vertical takeoff and landing.
Manufacturing Advantages
We produce in an AS9100D and IATF 16949-certified facility with fully automated winding, dynamic balancing, and thermal vacuum assembly:
High power density:
Ultra-thin high-silicon steel stator and sintered neodymium magnets for maximum torque-to-weight ratio.
01
Thermal management:
Integrated liquid or forced air cooling channels with class H (180°C) insulation for sustained high-load operation.
02
Precision balancing:
Automated dynamic balancing to <0.02 g·mm for minimal vibration (<0.1 mm/s) at full RPM.
03
Perfect product systemDual redundancy:
Optional dual-winding or dual-Hall configurations for fault-tolerant flight control.
04
Production capacity:
50,000 units/month with 8–10 week lead time for custom shafts or mounting flanges.
05
Certifications & Compliance
- AS9100D (aerospace quality management)
- IATF 16949:2016 (automotive-grade process control)
- ISO 14001:2015 (environmental)
- RoHS, REACH
- DO-160G (environmental & EMI – selected models)
- IP67 (dust/waterproof)
Choose our eVTOL Rotor Motor for low-altitude flight applications demanding efficiency, redundancy, and certified airworthiness readiness. Contact us for technical datasheets or qualification samples.
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B5025AR |
Output Power : 141W |
Weight :157 g (Approx.) |
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Embodied Robot: Linear Joint Actuator Motor
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Frameless Motor -Typical Application
Technical Specifications
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Model |
B5025AR |
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Voltag Rated (VDC) |
48 |
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Rated Power(W) |
141 |
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Rated Torque(Nm) |
0.45 |
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Maximum Torque(Nm) |
1.35 |
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Rated Current(A) |
4 |
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Maximum Current(A) |
12 |
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Rated Speed(rpm) |
3000 |
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No Load Speed(rpm) |
4500 |
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Torque Constant(Nm/A) |
0.113 |
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Moment of Inertia(kg.cm²) |
0.098 |
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Reverse Voltage Constant(V/KRPM) |
7.5 |
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Wire Resistance (ohms@20℃) |
0.9 |
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Wire Inductor (mH) |
0.55 |
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Extremal Logarithms(2P) |
10 |
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Gear Torque(mN.m) |
13.5(Reference value) |
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Size(mm) |
L1(Core Height) |
16 |
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L2(Core Height) |
17 |
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L3(Core Height) |
25 |
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Outline Drawing
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