cherryzhou860

This is Cherry Zhou from QSMotor in Taizhou City, China.

We developed 205 spoke hub motor 3000w rated, peak 10kw, drop-outs 150mm, and make Improvement for this motor in 2015-6-28 according to the market demand.
1. Increase thickness of Side Cover
2. Enlarge Space between side cover and stator
3. Integrated brake iron hoop for disc brake PCD6*44 with side cover.
4. Enlarge thread length from 8mm to 14mm(2mm groove).
5. Two sizes of thread for freewheel (1. English thread, 2. Metric thread)

It seems that there also something need to be improved. So would someone here give some suggestions to us? Thank you in advance.

Below is some information for our 205 spoke hub motor 3000w V3 type motor.
Item: QS 205 50H Hub Motor, Most Popular Motor on the Market, 3000w V3
Pictures



Drawing

SPEC
QS 3000W 205 (50H) E-bike Extra/V3 type Spoke Hub Motor (Black New Version)
1. BLDC Permanent Magnet Outer Rotor Spoke Hub Motor
2. Power: 50mm magnet height, 16 pole paris, 3000W rated, 3932W Peak for normal usage, 10kW peak for few second.
36 X Spoke Hole OD 4.2mm or Dual Spoke 4.2mm & 3.4mm
3. Speed: 24*5T, 650RPM at 72V, equal to 9.03kV (optional) Torque: Depends on the speed
4. Designed to match with E-bike Disc brakes PCD6*44mm (not include Brake Disc),
14mm English thread for single-speed Freewheel (not include freewheel), drop-outs/Rear Bridge Clamping Width (150mm)
5. Two Halls(One for spare, in case of damage) , 10mm² Phase wire
6. Thermic Probe: KTY 83/122 (optional)
7. Support regenerative braking & Reverse function
8. Waterproof grade: IP54
9. Efficiency: ≥87%
10. Stronger configuration--high grade magnet, more cooper, bear more Ampere.
11. 10mm Axle flats
Net Weight: 12.75kg, Gross Weight 14.5kg (with single-speed freewheel, in package)
Package: 34cmX34cmX33cm

For more infomation about SPEC & Quotation (include winding list & other datas).
Please refer to attachment "New 205 50H 3000W Spoke QSMOTOR SPEC".