BLDC MotorHobbywing XRotor multirotor / agricultural motors · Ø87.1 mm
XRotor M8108 Light 100KV
8108 100 KV drone motor from Hobbywing for 12S LiPo: up to 9200 g thrust with a MSC 29x9.5 prop.
Manufacturer datasheet: Hobbywing · XRotor M8108 Light 100KV ↗ (checked 2026-10-18)Maker profile & contacts →
Figures are copied from the maker’s published datasheet; curves are calculated from them. Confirm with the manufacturer before ordering. Not stated on the datasheet, estimated from it: rated point (estimated from KV, voltage and maximum current), inductance, rotor inertia, insulation class, IP rating.
Applications:Drones & UAV
How this motor is made
Full manufacturing overview: 70 mm Outer-rotor BLDC Motor →Ø87.1 mm frame; built with the same process as the 70 mm outer-rotor reference series.
- 1. Stator lamination stamping & interlocking
- 2. Stator powder coating
- 3. Outer-stator winding
- 4. Terminal soldering
- 5. Stator in-process test
- 6. Trickle impregnation (optional)
- 7. Stator mounting & Hall board
- 8. Rotor cup assembly
- 9. Magnetizing
- 10. Rotor balancing
- 11. Final assembly
- 12. End-of-line test
Export certification: Low-voltage motor without electronics
- Rated power
- 339 W
- Rated torque
- 0.754 N·m
- Rated speed
- 4,290 rpm
- Rated efficiency
- 84 %
Performance curves
Right axis:
SpeedEfficiency (right axis)
Calculated with the linear DC-motor model (constant 44.4 V supply, ignoring resistance rise with temperature).
Full specifications
General
- Motor type
- BLDC Motor
- Series
- Hobbywing XRotor multirotor / agricultural motors
- Frame / flange
- Ø87.1 mm
Rated Values
- Rated voltage
- 44.4 V
- Rated power
- 339 W
- Rated torque
- 0.754 N·m
- Rated speed
- 4,290 rpm
- Rated current
- 9.09 A
Performance
- Stall torque
- 25.6 N·m
- No-load speed
- 4,420 rpm
- Rated efficiency
- 84 %
- Peak efficiency
- 87.1 %
Electrical
- Torque constant Kt
- 0.0955 N·m/A
- Back-EMF constant Ke
- 10 V/krpm
- Resistance
- 0.165 Ω
- Inductance
- 0.248 mH
- No-load current
- 1.19 A
- Stall current
- 269 A
- Poles
- 42
- Electrical time constant
- 1.5 ms
- Mechanical time constant
- 0.4 ms
Mechanical
- Rotor inertia
- 221 g·cm²
- Body length
- 25.4 mm
- Weight
- 0.238 kg
- Power density
- 1,421 W/kg
- Protection
- IP40
Compatible drivers
All drivers →Drivers whose supply voltage covers this motor and whose continuous current is at least its rated current; drivers from the same maker first. Confirm Hall/encoder type and settings with the maker.
| Model | Maker | Motor type | Supply | Cont. / peak current | Feedback |
|---|---|---|---|---|---|
| ZM-BL4810F | Zeming | BLDC | 18–50 V DC | 10 A | Hall sensors, Sensorless |
| ZM-BL48D10 | Zeming | BLDC | 18–50 V DC | 10 A | Hall sensors, Sensorless |
| ZM-BL4810K | Zeming | BLDC | 18–50 V DC | 10 A | Hall sensors, Sensorless |
| DBL-4820R | Mayi Motor | BLDC | 27–56 V DC | 10 A | |
| DBL-10RS | Mayi Motor | BLDC | 12–60 V DC | 10 A | Hall sensors |
| NU-BL5010-01 | Nuelectronics | BLDC | 18–50 V DC | 10 A / 15 A | Hall sensors, Sensorless, Open loop, Closed loop |
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