QS138 70H V2 (3000w)
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Pairs well with
This is E&C's Favorite Motor! It can be found in both the EMX14 and EMX17 Kits. This motor is perfect for medium size electric motorcycles. The QS138 70H is well known around the world for its ability to produce power in a small form factor. A tried and true motor that packs a hefty punch for its size and weight. We like this model because of its sleek look and convenient mounting points. This model is capable of over 30kW Bursts!
Includes
1- QS 138 3kW Mid drive motor with 10t 428 sprocket for spline drive
Key Features
- Light weight and small dimension compared to other motors of similar power outputs
- V configured rotor design allows for higher RPM with flux weakening
- High Torque suitable for high performance high load situations such as climbing and racing.
- Supports regenerative braking
- Proven reliability
Compatibility
EM-150 Controller
Specification (via QS)
Motor Type: BLDC Inner Rotor Motor
Brand: QS Motor, QSMOTOR
Motor Design: Single Axle
Matched Tire: 12 inch Wheel (as default)
Magnet Height: 70mm, 5 pole pairs
Dimension: 162x210mm
Rated Power: 6000W
Peak Power: 10000W
Rated Voltage: 72V
Speed: 3800RPM (basic RPM)
With Flux Weakening(RPM): 6000RPM
Max Torque: 45-55N.m
Cooling Method: Air Cooling
Max Efficiency: 94%
Continuous Battery Current: 67A (72V)
Peak Battery Current: 140A (72V)
Thermic Probe: KTY83/122 (as default)
Working Temperature: 70-120C, peak 150C
Hall Sensor: Single Hall Set with Waterproof Connectors
Phase Wire: 16mm2 Cross Section (not include insulation layer)
Waterproof Grade: IP67
Color: Black
N.W./G.W.: approx. 11kgs/12.79kgs
Package Dimensions: 34cmx34cmx33cm/piece
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: 200 amps
Max Output: 14,500w or 14.5kw