GEM IN-WHEEL DRIVE

GEM in-wheel drive represents an advanced propulsion system for future urban electric vehicle applications, using innovative GEM technology. It is suitable for electric two, three and four wheeler applications due to modular mounting options and different speed versions. It operates in a low voltage regime with a simple air cooling system. Patented modular design allows the development of a complete product range at the power level from 1KW to 15KW.

PRODUCT COMPARISON

 

G1

G2.4

G2.6

G3

Nominal power 1 - 3 kW 4 kW 6 kW 7,5 - 15 kW
Voltage level 48 - 75 V 48 - 75 V 48 - 75 V 48 - 100 V
Min. tire size 10" 13" 13" 14"
Active motor weight 3 - 6 kg 11,5 kg 17 kg 15 - 20 kg
Cooling Air Air Air Forced air
Samples for testing 2018 Yes Yes 2018
Series production Q3 2018 Q4 2017 Q4 2017 Q4 2018
Application Scooter and 2-wheeler Motorbike, commercial vehicle
Bicycle 3-wheeler, micro car, other 4-wheeler

 

GEM IN-WHEEL DRIVE – G2.4

premium 4 kW direct drive for scooters and mopeds L1e category and other advanced LEV

  STANDARD CUSTOM
Nominal power 4 kW 3 - 6 kW
Nominal torque 145 Nm 120 - 180 Nm
Peak power (20 sec) 5,5 kW 4 - 8 kW
Peak torque (20 sec) 180 Nm 140 - 240 Nm
Battery-to-wheel efficiency up to 89% up to 92%
Wheel rim size 13" integrated or standard car rim ≥ 12" integrated or ≥ 13 standard car rim
Active motor weight 11,5 kg  
IP protection IP67
Temperature range -40 - +60 °C
LEV applications bicycle, scooter, motorbike, other 2-wheeler, 3-wheeler, micro car, golf cart, other 4-wheeler, agricultural and industrial vehicle
Additional features brake-by-wire, speed regulation, complementary functional safety, software customization

 

GEM IN-WHEEL DRIVE – G2.6

high power 6 kW  boosted acceleration drive for diverse LEV applications

  STANDARD CUSTOM
Nominal power 6 kW 5 - 10 kW
Nominal torque 175 Nm 175 - 250 Nm
Peak power (20 sec) 7,5 kW 7 - 12 kW
Peak torque (20 sec) 205 Nm 205 - 340 Nm
Battery-to-wheel efficiency up to 89% up to 92%
Wheel rim size 13" integrated or standard car rim ≥ 12" integrated or ≥ 13" standard car rim
Active motor weight 17 kg  
IP protection IP67
Temperature range -40 - +60 °C
LEV applications scooter, motorbike, other 2-wheeler, 3-wheeler, micro car, golf cart, other 4-wheeler, agricultural and industrial vehicle
Additional features brake-by-wire, speed regulation, complementary functional safety, software customization

 

GEM IN-WHEEL DRIVE – G1

advanced and compact direct drive for urban e-mobility

  STANDARD CUSTOM
Nominal power 2 kW Customization regarding operating voltage, speed, nominal and peak torque, CAN interface, breaking functionality, etc.
Nominal torque 100 Nm
Peak power (20 sec) 3 kW
Peak torque (20 sec) 140 Nm
Battery-to-wheel efficiency up to 90%
Wheel rim size ≥ 10" integrated or external car rim
Active motor weight 3-6 kg
IP protection  IP67
Temperature range -40 - +60 °C
LEV applications advanced and compact direct drive for urban e-mobility
Additional features speed regulation, complementary functional safety, software customization, double-side mounting

 

GEM IN-WHEEL DRIVE – G3

smart choice for demanding high-power future micro and small vehicle applications

  STANDARD CUSTOM
Nominal power 7,5 kW Customization regarding operating voltage, speed, nominal and peak torque, CAN interface, breaking functionality, etc.
Nominal torque 205 Nm
Peak power (20 sec) 10 kW
Peak torque (20 sec) 290 Nm
Battery-to-wheel efficiency up to 90%
Wheel rim size ≥ 14" integrated or external car rim
Active motor weight 15 -20 kg
IP protection  IP67
Temperature range -40 - +60 °C
LEV applictions demanding high-power future micro vehicle applications
Additional features speed regulation, complementary functional safety, software customization, double-side mounting

 

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