QSMOTOR 138 4000W rated 72V 100KPH 7500w continous Mid Drive Motor Power Train Kits
Siaecosys/QSMOTOR 138 4KW 72V Mid Drive Motor Conversion Kits
For 138 4000W mid drive motor kit assembly, it 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 100KPH
Gear Ratio: 1:4
Climbing slope: 30°@208kg
Battery: 72V52ah
Tire: 0.6138m, model: 130/70-17
One set including below kits
1. 1pcs X QSMOTOR 138 4000W PMSM IPM mid drive motor with sprocket
2. 1pcs X Votol EM150SP sine wave motor controller with standard CAN-BUS(Optional)
3. 1pcs X DKD LCD speedometer
4. 1pcs X Z6 throttle with combination switch
Key Features
1) Light weight and small dimension compare to hub motor
2) High performance benefit from flux weakening
3) High effeciency during climbing, and better acceleration
4) Support regenerative braking
Genearlly Spec:
Item: QS Motor 4000W 138 90H Mid Drive Motor
Motor Type: BLDC Permanent Magnet Inner Rotor Motor With Hall Sensor
Brand: QS Motor, QSMOTOR
Motor Design: Single axle
Matched Wheel: 17inch wheel, for Dirt Bike application
Magnet Height: 90mm, 5 pole pairs
Diameter of stator: 138mm
Rated Power: 4000W
Continous Power:7500w
Peak Power:13.5kw
Rated Voltage: 72V as default
Speed: 100KPH with 17inch rim
No-load rpm: 4000rpm without flux weakening, 6500RPM with flux weakening.
Torque: approx Max. 72N.m without Reduction ratio, rated torque 14.3N.
Max Efficiency: 94%
Continuous Battery Current: 89A (72V)
Peak Battery Current: 200A (72V
Thermic Probe: KTY83/122
Working Temperature: 70-120 degrees, peak 150degrees
Single Hall Plate with waterproof connectors
20mm² Cross Section of Phase Wire (not include insulation layer)
Hall Sensor Phasing angle: 120 degree
Waterproof Grade: IP66
Color: Black
N.W./G.W.: 13kgs/14kgs
Package Dimension: 34cm*34cm*33cm
Axle matched with belt(as default). 428 14T sprocket with adapter is available
Products show with sprocket type:
Products show with belt type also avaliable, if you need ,please contact seller:
Dimension Drawing:
Power train test Report:
2.Votol EM150SP motor controller with standards CANBUS
3. DKD LCD speedometer with standard CAN-BUS
It display D N R, P, S gear, and battery current X5/10
4. Z6 throttle with combination switch
With Reverse, Parking button( throttle on/off), 3 slide switch gear, s/boost button, Light and Horn.
It match with VOTOL controller well.
Application:
A note to client:
1. Please contact seller confirm the parameter, otherwise we will produce as default.
2. Please extended 15 days more at least for order prepare when motor no in stock. (Most of motor is customized based on application, without in stock).
3. When place order please leave email address, for seller provide manuel.
4. Please read manuel careful before woring motor and controller, and if meet problem please contact seller in time, and don't disassembly cargo without seller permit, otherwise there will be no warranty.
Q1. Are you trader or manufacture?
A: We're manufacture.
Q2. How long is your production time?
A: Generally, the production period is 12-14 working days(6 working days per week).
The specific delivery time depends on the items and the quantity of your order.
Q3. How long is your warranty time?
A: For motor, the warranty time is one year and three months. For other parts, the warranty time is one year.
Q4. About Customs Clearance
For some special countries with strict customs for import, so pls. confirm it firstly to us that you have ability to do customs clearance, otherwise we will not take on heavy responsibilities for this issue, return money and goods are not support.
Special countries list:
Argentina, Brazil, Egypt, Turkey, Iran,Portugal,Romania, Kazakhstan, Ukraine, Yeman etc.
Some countries name not listed, the salesman will inform you in time if you placed the order online directly. Thank you for your understanding.
05. Does your products with CE certification?
Yes, our motor with Certification (CE, CCC), and our factory with certification of ISO9001, TS86949
- Step 1Find your interested products by search keywords
- Step 2Contact the supplier by clicking ”Enquire” or “request meeting” button, otherwise, you also could consult our import consultant.
- Step 3After verifying your email, get response from suppliers or our trade manager will contact you as soon as possible
- Step 4Set up meeting with the Chinese supplier without language barrier