Surron Ultra Bee

VTB Beast motor is designed to boost the power of Surron Ultra Bees. Paired with a VTB V9600 controller, it turns an Ultra Bee into a 41 kW beast.

Direct Drop-in Replacement For Surron Ultra Bee

Max Torque: 68N.m

Max Stable Rotor RPM: 9500 RPM

Peak Power: 41 kW

Max Efficiency: ≥95%

Working Voltage: 48-100V

KV Value: 85 KV

Motor Temperature

130 deg C start limiting

150 deg C power cut

Max Phase Current: 1100A

Number of Pole Pairs: 5

Phase Wire Terminal: SC35-6

Waterproof Rating: IP67

Air Gap Leading: 0.5mm rotor air gap empowers its torque to 62N.m

Sensing Method: ABZ+PWM encoder for 1024 pulses with 240Hz output frequency

Temperature Sensor: NTC 10k thermistors

Shaft High-strength: 40CrMoTi Steel Alloy

Rotor IPM: (internal permanent magnet) rotor, most used motor type in electric vehicles, enhances power density

Bearings: Top standard sealed bearings with great shock absorption effects and excellent durability

Lamination: It uses stator laminations with high magnetic force, restricting eddy-current loss

Stator Winding: A leading technique VPI (Vacuum Pressure Impregnation) is applied to stator windings to insulate and protect them

Sensor Terminal: VTB beast motor has Nylon M12 circular connection for V9600 controller and 8-pin square sensor terminals to provide higher waterproof level

Specifications

Stator Size: 140*180mm

Weight: 11.8kg

Color: Iron Gray

Further Description

Encoder Connector

The VTB beast motor is designed with circular connectors through IMD (In-mold Decoration) technique for better usage with other VTB products. It provides a high waterproof level at IP67 rating. We also keep the square-shape connectors if you prefer to get a motor separately. It is more versatile and works with your controller. However, it bears higher risks for water leaking in. The PVC wire is not with full coverage so it can create a pathway for water to enter the motor.

Sensing Method

There are typically two types of sensors: Hall sensors and encoders. Hall sensors have strong compatibility which is used very commonly, but it underperforms in speed feedback and throttle sensitivity. Especially when a vehicle is passing through obstacles with more pushes or when tires lose traction and try to reduce speed and torque, Hall sensors have slower response compared to encoders. Encoder is the premium option for riders who do wheelies and care about control and level of precision. We have decided on encoder for VTB motors.

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