BLDC MotorT-MOTOR Navigator MN · Ø68.8 mm

MN605-S KV320

Name: MN605-S KV320
Brand: T-MOTOR

320 KV drone motor from T-MOTOR for 6S: up to 7178 g thrust with a P22*6.6 prop.

Manufacturer datasheet: T-MOTOR · MN605-S KV320 ↗ (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

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How this motor is made

Full manufacturing overview: 70 mm Outer-rotor BLDC Motor →

Ø68.8 mm frame; built with the same process as the 70 mm outer-rotor reference series.

Assembly steps: 12
Equipment types: 14
BOM lines: 13
PRD suppliers: 85

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: 1.22 kW
Rated torque: 1.74 N·m
Rated speed: 6,696 rpm
Rated efficiency: 90.8 %

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 Navigator MN
Frame / flange: Ø68.8 mm

Rated Values

Rated voltage: 22.2 V
Rated power: 1.22 kW
Rated torque: 1.74 N·m
Rated speed: 6,696 rpm
Rated current: 60.6 A

Performance

Stall torque: 31.5 N·m
No-load speed: 7,089 rpm
Rated efficiency: 90.8 %
Peak efficiency: 91.1 %

Electrical

Torque constant Kt: 0.0298 N·m/A
Back-EMF constant Ke: 3.12 V/krpm
Resistance: 0.021 Ω
Inductance: 0.05 mH
No-load current: 2.2 A
Stall current: 1,057 A
Poles: 28
Electrical time constant: 2.38 ms
Mechanical time constant: 0.266 ms

Mechanical

Rotor inertia: 113 g·cm²
Body length: 34.9 mm
Shaft diameter: 6 mm
Weight: 0.35 kg
Power density: 3,495 W/kg
Insulation class: B
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
DCPC-090100-OPE	ZP Motors	BLDC, Servo	18–90 V DC	70 A / 140 A	Hall sensors, Incremental encoder
BCPC-09070-OPE/A	ZP Motors	BLDC, Servo	18–90 V DC	70 A / 140 A	Hall sensors, Incremental encoder, Absolute encoder
BC2PC-090100-OPE/A	ZP Motors	BLDC, Servo	18–90 V DC	100 A / 200 A	Hall sensors, Incremental encoder, Absolute encoder
DEPC-090150-OPEA	ZP Motors	BLDC, Servo	18–90 V DC	105 A / 175 A	Hall sensors, Incremental encoder, Absolute encoder