QS90 (1000W) - Electro & Company Inc.
QS90 (1000W) - Electro & Company Inc.

QS90 (1000W)

Regular price$349.00
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This motor is perfect for small electric motorcycles. This is the most compact version of the infamous 138 70h model. If you have a kids bike or a pocket rocket the qs90 might be right up your alley. With a small diameter of only 4 inches, You can fit this motor in almost anything! Although this motor is tiny it is no slouch! This motor is capable of over 7kW Bursts! 

Includes

1- X QS 90 1kW Mid drive motor (tapered shaft with key) with 14t 428 sprocket

Key Features 

  • Light weight and small dimension compared to other motors of similar power outputs
  • High Torque suitable for high performance high load situations such as climbing and racing
  • Supports regenerative braking
  • Proven reliability

Compatibility

EM-50 Controller

Specification

Motor Type: BLDC Permanent Magnet Inner Rotor Motor With Hall Sensor
Brand: QS Motor, QSMOTOR
Motor Design: Single Axle 
Matched Wheel: 10inch Wheel (as default)
Magnet Height: 80mm, 5 pole pairs
Diameter of stator: 120mm
Rated Power: 1000W
Rated Voltage: 60V or 72V (as default)
Speed: 60V@45KPH; 72V@55KPH
Max Torque: approx 25.2N.m without Reduction ratio, approx. 134.0N.m with 1:5.3 Reduction ratio  
Max Efficiency: 90.5%
Thermal Probe: None as default (KTY83/122 is available, please let sales know if needed).
Hall Sensor: Single Hall Plate with waterproof connectors
Phase Wire: 6mm² Cross Section (not include insulation layer)
Hall Sensor Phasing angle: 120 degree
Waterproof Grade: IP54
Color: Black 
N.W./G.W.: 7.8kgs/9.1kgs   
Package Dimension: 34cmx34cmx33cm

E&C Findings

Based on our testing we have come up with some alternative ratings. These ratings are strictly our opinion and warranty will not be provided for any motor pushed beyond QS recommended ratings.

Details

Max Battery Current: 75 amps
Max Output: 5,400w or 5.4kw

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