- Motor Spec -
Motor Type: PMSM Motor With Hall Sensor
Rated Power: 4000W (13500W peak in few seconds)
Rated Voltage: 72V
Magnet Height: 90mm, 5 pole pairs
Motor Gear Ratio: 1:2.35
Speed: 4800RPM (basic RPM), 7000RPM peak with flux weakening
Motor Design: Single axle
Rated Torque: 32N.m
Max Torque: 150N.m
Max Efficiency: approx 93%
Rated Current: 60A
Peak Battery Current: 200A
Working Temperature: 70-120℃ , peak 150 ℃
Hall Sensor: Single Hall Set with waterproof connector
Waterproof Grade: IP66
Cooling: Air cooling
Color: Black
N.W./G.W.: approx 14.5kg/16.5kg
Package Dimension: 34cm*34cm*33cm
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
For QS138 4000W V3 mid drive motor , it could be used for electric light motorcycle dirtbike.
E-motorcycle weight, approx 130kg+2*80kg
Climbing slope: 30°@208kg
Battery: 72V50Ah 300A bms
One set including below kits:
1* QS138-C 90H V3 mid drive motor with 1:2.36 gear box
1* ND72680 built-in Bluetooth Black/black color Fardriver controller
1* 428 14T sprocket
1* Motorcycle Throttle
1* NBTFT-5 display
1* flasher
1* Alarm&lock
1* main line
1* dc voltage converter
1* e-lock
1* Horn
OR
1 * QS138-C 90H V3 mid drive motor with 1:2.36 gear box
1* 428-14T sprocket
Shipping and Feedback:
1. Please check your name, address, and phone number is right.
2.This product will be shipped from USA Los Angeles warehouse (FedEx Ground economy), it takes about 7 business days .
3. After you place a order, we will ship out your goods as soon as possible, please check the tracking timely.
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6.If you have any problems with our goods, please contact us first!!! We will do our best service to help you.
7.Any questions, don’t hesitate to contact us.