For 2000W mid drive motor kit assembly, it could be used for electric scooter, electric motorcycle.
e.g. M3 electric motorbike
E-motorbike weight, approx 115kg+2*80kg
Speed: continuous 70km/h
Gear ratio: 1:4.77
Battery: 72V40h NCM lithium battery
One set including below kits
·1pc QS 12inch 2000W Mid Drive Motor assembly with Left/Right fork(Disc Brake and tire are not included)
·1pcs X Votol EM72100SP sine wave motor controller with standard CAN-BUS
·1pcs X DKD LCD speedometer
·1pcs X Z6 throttle with combination switch
1). Simplify to make a electric-Scooter. Gearbox, transmission shaft, clutch are no need. Which save space.
2). It could be installed in the rear to save more space for battery.
3). Support regenerative braking
4). High efficiency: 85~92%
1. QSMOTOR 12X3.5inch 2000W 120 70H Mid Drive Motor Assembly
·Motor Type: BLDC Permanent Magnet Inner Rotor Motor With Hall Sensor
·Brand: QS Motor, QSMOTOR
·Motor Design: Single axle
·Matched Wheel: 12inch Wheel (as default)
·Magnet Height: 70mm, 40pcs, 5 pole pairs
·Diameter of stator: 120mm
·Rated Power: 2000W
·Rated Voltage: 72V as default
·No-load rpm: 2800rpm without flux weakening, 4400RPM with flux weakening.
·Max Torque: approx 45.4N.m without Reduction ratio, approx 216.7N.m with 1:4.77 Reduction ratio
·Reduction ratio: 1:4.77 (as default)
·Max Efficiency: 88%
·Continuous Battery Current: pending (72V)
·Peak Battery Current: 60A (72V)
·Suggest Peak Phase Current: 250A
·Thermal Probe: None as default (KTY83/122 is available, if you need, please let sales man know).
·Working Temperature: Pending
·Single Hall Plate with waterproof connectors
·8mm² Cross Section of Phase Wire (not include insulation layer)
·Hall Sensor Phasing angle: 120 degree
·Waterproof Grade: IP67
·Package Dimension: 34cm*34cm*33cm
·Axle matched with belt as default
2. EM72100SP 72V sinusoidal wave BLDC motor controller, with CAN BUS
·Sine wave controller, programmable, with regen function
·Flux Weakening Ratio:100~250%
·Net weight: 1650g
3. DKD LCD speedometer, can-bus(optional, LIN as default)
It display D N R, P, S gear, and battery current X5/10.
P.s.: If the working battery doesn't have can-bus communication, then the can-bus speedometer will shows lack of electricity always.
So, we suggest to do the speedometer as Line communication version if client can't get can-bus battery.
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.
Optional appearance, drawing, performance curve/test report are available.
If you need more technical information, please feel free to contact us.
We will give you reply in 12hours.