3000W 138 Mid Drive Motor Assembly

3000W 138 Mid Drive Motor Assembly

3000W 138 Mid Drive Motor Kit Assembly could be used for electric scooter, electric motorbike, which could be 72V 100KPH, available for 12inch wheel kits as default.
e.g., Z6 electric motorbike
E-motorbike weight, approx. 115kg+2*80kg
Speed: continuous 100km/h
Gear ratio: 1:4.77 (double steps transmission)
Climbing slope: 30°@190kg
Battery: 72V40h NCM lithium battery
Tire: 130/70-12

The item includes

• 1pcs QSMOTOR 3000W 138 Mid Drive Motor with Left/Right Fork
• 1pcs Rear Synchronous Belt Wheel
• 2pcs Decoration Cover
• 1pcs Rear Axle with Screws
• 2pcs Adapter
• 1pcs Synchronous Belt
• 1pcs 12inch Aluminum Wheel (no tire)
• 1pcs Fender
• 1pcs Belt Shield
• 1pcs Side Shield

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: BLDC Permanent Magnet Inner Rotor Motor with Hall Sensor
• Brand: QS Motor, QSMOTOR
• Motor Design: Single axle
• Matched Wheel: 12×3.5inch Wheel (as default)
• Magnet Height: 70mm, 5 pole pairs
• Diameter of stator: 138mm
• Rated Power: 3000W (9600W peak)
• Rated Voltage: 72V as default
• Speed: 100KPH
• No-load rpm: 3800rpm without flux weakening, 6000RPM with flux weakening
• Max Torque: approx. 55N.m without Reduction ratio, approx. 247N.m with 1:4.77 Reduction ratio
• Reduction ratio: 1:4.77 (as default)
• Max Efficiency: 88%
• Continuous Battery Current: 120A (72V)
• Peak Battery Current: 150A (72V)
• Suggest Peak Phase Current: 450A
• Thermic Probe: None as default
• Single Hall Plate with waterproof connectors
• 17mm² Cross Section of Phase Wire (not include insulation layer)
• Hall Sensor Phasing angle: 120-degree
• Waterproof Grade: IP54
• Color: Black
• N.W./G.W.: 32.5kgs/34.5kgs
• Package Dimension: pack in two cartons with wooden support
• 70cm*39cm*25cm, 22.53kg
• 51cm*48cm*37.5cm, 12kg

Dimension Drawing

3000W 138 Mid Drive Motor (new appearance)

Test Report