BLDC MotorT-MOTOR Antigravity · Ø44.4 mm
Antigravity MN4004 KV300
4004 300 KV drone motor from T-MOTOR for 4-6S: up to 1311 g thrust with a 15*5” CF prop.
Manufacturer datasheet: T-MOTOR · Antigravity MN4004 KV300 ↗ (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 →Ø44.4 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
- 271 W
- Rated torque
- 0.538 N·m
- Rated speed
- 4,818 rpm
- Rated efficiency
- 71.5 %
Performance curves
Right axis:
SpeedEfficiency (right axis)
Calculated with the linear DC-motor model (constant 22.2 V supply, ignoring resistance rise with temperature).
Full specifications
General
- Motor type
- BLDC Motor
- Series
- T-MOTOR Antigravity
- Frame / flange
- Ø44.4 mm
Rated Values
- Rated voltage
- 22.2 V
- Rated power
- 271 W
- Rated torque
- 0.538 N·m
- Rated speed
- 4,818 rpm
- Rated current
- 17.1 A
Performance
- Stall torque
- 1.96 N·m
- No-load speed
- 6,638 rpm
- Rated efficiency
- 71.5 %
- Peak efficiency
- 88.9 %
Electrical
- Torque constant Kt
- 0.0318 N·m/A
- Back-EMF constant Ke
- 3.33 V/krpm
- Resistance
- 0.359 Ω
- Inductance
- 0.538 mH
- No-load current
- 0.2 A
- Stall current
- 61.8 A
- Poles
- 24
- Electrical time constant
- 1.5 ms
- Mechanical time constant
- 0.39 ms
Mechanical
- Rotor inertia
- 11 g·cm²
- Body length
- 19 mm
- Shaft diameter
- 40 mm
- Weight
- 0.053 kg
- Power density
- 5,122 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 |
|---|---|---|---|---|---|
| BLDA0401A1 | Motion Control | BLDC | 12–55 V DC | 18 A | |
| PSDB-4031A1 | Motion Control | BLDC | 12–55 V DC | 18 A | |
| NU-BL5020-01 | Nuelectronics | BLDC | 18–50 V DC | 20 A / 25 A | Hall sensors, Sensorless, Open loop, Closed loop |
| NU-BL5020-02 | Nuelectronics | BLDC, Servo | 18–50 V DC | 20 A | Hall sensors, Incremental encoder |
| DCPC-09030-OPE | ZP Motors | BLDC, Servo | 18–90 V DC | 21 A / 42 A | Hall sensors, Incremental encoder |
| ZM-BL24Z30S | Zeming | BLDC | 18–32 V DC | 30 A | Hall sensors, Sensorless |
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525 W · 29.6 V
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622 W · 29.6 V
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693 W · 29.6 V
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718 W · 29.6 V
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860 W · 29.6 V
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850 W · 29.6 V
MN4014 KV400
1.02 kW · 29.6 V
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242 W · 14.8 V
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317 W · 14.8 V
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960 W · 29.6 V
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200 W · 14.8 V
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225 W · 14.8 V
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443 W · 44.4 V
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399 W · 44.4 V
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346 W · 22.2 V
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273 W · 44.4 V
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443 W · 44.4 V
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399 W · 44.4 V
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Antigravity MN5008 KV340
847 W · 22.2 V
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896 W · 22.2 V