3000W 138 V1/V2 Mid Drive Motor

3000W 138 V1/V2 Mid Drive Motor

3000W 138 mid drive motor could be used for electric light motorcycle, which could be 72V 100KPH.
e.g., Dirt bike
E-motorcycle weight, approx. 130kg+2*80kg
Speed: continuous 100km/h
Gear ratio: 1:2.3*3 (double steps transmission)
Climbing slope: 30°@208kg
Battery: 72V52h
Tire: 0.6138 130/70-17

Key Features

1) Light weight and small dimension compare to hub motor.
2) High performance benefit from flux weakening.
3) High efficiency during climbing, and better acceleration.
4) Support regenerative braking.

Product Information

QSMOTOR 3000W 138 Mid Drive Motor

Specification

• Motor Type: PMSM IPM Motor with Hall Sensor
• Rated Power: 4500W (9600W peak in few seconds)
• Rated Voltage: 72V
• Speed: 3800RPM peak (basic RPM), 6200RPM peak with flux weakening
• Max Torque: 45-55N.m peak
• Max Efficiency: approx. 94%
• Continuous Battery Current: 67 A (72V)
• Peak Battery Current: 140A (72V)
• Working Temperature: 70-130℃, peak 150 ℃
• Single Hall Set with waterproof connectors
• Waterproof Grade: IP67
• Cooling: air cool
• Dimension: φ162X210mm
• Phase wire: 17mm⊃2
• Insulation grade: F
• Working system: S9
• Color: Black
• N.W./G.W.: approx. 10.8kg/12.5kg
• Package Dimension: 34cm*34cm*33cm
• Axle matched with 428 sprocket, teeth optional 11T, 12T, 13T, 14Tetc, 14T (as default)

Dimension Drawing

3000W 138 V2 Mid Drive Motor

Test Report

Single motor without flux weakening, approx. 55N.m peak.

Single motor with flux weakening, approx. 54N.m peak.