GEM IN-WHEEL DRIVE
GEM in-wheel drive represents an advanced propulsion system for urban electric vehicle applications, using innovative modular multiphase GEM technology. It is suitable for electric two, three and four wheeler applications due to modular mounting options and different speed versions. Fully integrated drive 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 1 kW to 15 kW.
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| Power range | 300 - 700 W | 1 - 2 kW | 2 - 4 kW | 2 - 6 kW | 5 - 9 kW | 7,5 - 15 kW |
| Nominal power | 800 W | 1,5 kW | 3 kW | 4 kW | 6 / 7,5 kW | 7,5 - 15 kW |
| Peak power | 1000 W | 3 kW | 6 kW | 9 kW | 15 kW | 30 kW |
| Voltage level | 24 - 75 V | 24 - 75 V | 24 - 75 V | 48 - 75 V | 48 - 75 V | 48 - 100 V |
| Rim | D200 x 500 mm typical | 10" | 10 - 12" | 12 - 15" | 12 - 15" | ≥14" |
| Total motor weight | 12 kg | 8 kg | 11 kg | 19 kg | 25 kg | 30 kg |
| Speed | 100 - 400 RPM | 200 - 700 RPM | 200 - 1000 RPM | 300 - 1000 RPM | 300 - 1300 RPM | 500 - 1000 RPM |
| Torque | 0 - 80 Nm | 140 Nm | 180 Nm | 240 Nm | 340 Nm | 290 Nm |
| Motor controller | Fully integrated | Fully integrated | Fully integrated | Fully integrated | Fully integrated | Fully integrated |
| Cooling | Air | Air | Air | Air | Air | Forced air |
| Status | Samples | Samples | Samples | Series production | Series production | Development |
| Application | AGV, industrial utility vehicles,trolleys, carts, etc. | Scooter and 2-wheeler | Motorbike, commercial vehicle | |||
| Bicycle | 3-wheeler, micro car, other 4-wheeler | |||||
CUSTOM SOLUTIONS
GEM in-wheel drive can be fast and professional customized to your needs!
GEM IN-WHEEL DRIVE – G0.8
Unique fully integrated GEM in-wheel electric drive with permanent magnets, integrated controller and integrated EM brake.
| STANDARD | CUSTOM | |
| Nominal power | 700 W |
CUSTOM
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| Nominal torque | 30 Nm | |
| Peak power (20 sec) | 1000 W | |
| Peak torque (20 sec) | 0 - 80 Nm | |
| Battery-to-wheel efficiency | up to 92% | |
| Wheel rim size | D200 x 500 mm typical | |
| Total motor weight | 12 kg | |
| IP protection | IP54 | |
| Temperature range | -5 - +50 °C | |
| LEV applications | AGV, industrial utility vehicles, trolleys, carts, pallet movers, wheel chairs, mobility scooters, ground support equipment | |
| Features | integrated motor controller and integrated EM safe break, torque regulation, speed regulation, regenerative braking | |
GEM IN-WHEEL DRIVE – G1.1
advanced and compact direct drive for urban e-mobility
| STANDARD | CUSTOM | |
| Nominal power | 1,5 kW |
CUSTOM SOLUTIONS
GEM in-wheel drive can be fast and professional customized to your needs.
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| Nominal torque | 70 Nm | |
| Peak power (20 sec) | 3 kW | |
| Peak torque (20 sec) | 100 Nm | |
| Battery-to-wheel efficiency | up to 92% | |
| Wheel rim size | ≥ 10" | |
| Total motor weight | 8 kg | |
| IP protection | IP67 | |
| Temperature range | -40 - +60 °C | |
| LEV applications | bicycle, ebike, scooter, small 2-wheeler, small three-wheeler, agricultural and industrial vehicle, robotic vehicles | |
| Features | integrated modular controller, regenerative breaking, CAN communication, full safety protection, additional option 4Q operation | |
GEM IN-WHEEL DRIVE – G1.3
advanced and compact direct drive for urban e-mobility
| STANDARD | CUSTOM | |
| Nominal power | 3 kW |
CUSTOM SOLUTIONS
GEM in-wheel drive can be fast and professional customized to your needs.
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| Nominal torque | 120 Nm | |
| Peak power (20 sec) | 4,5 kW | |
| Peak torque (20 sec) | 160 Nm | |
| Battery-to-wheel efficiency | up to 92% | |
| Wheel rim size | 10" | |
| Total motor weight | 11 kg | |
| IP protection | IP67 | |
| Temperature range | -40 - +60 °C | |
| LEV applications | bicycle, ebike, scooter, small 2-wheeler, small three-wheeler, agricultural and industrial vehicle, robotic vehicles | |
| Features | integrated modular controller, regenerative breaking, CAN communication, full safety protection, additional option 4Q operation | |
GEM IN-WHEEL DRIVE – G2.4
premium 4 kW direct drive for scooters and mopeds L1e category and other advanced LEV
| STANDARD OPTION 1 | STANDARD OPTION 2 | CUSTOM | |
| Nominal power | 4 kW | 4 kW |
CUSTOM
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| Nominal torque | 180 Nm | 150 Nm | |
| Peak power (20 sec) | 4 kW | 6 kW | |
| Peak torque (20 sec) | 240 Nm | 180 Nm | |
| Battery-to-wheel efficiency | up to 92% | ||
| Wheel rim size | 13" | ||
| Total motor weight | 19 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 | ||
| Features | integrated modular controller, regenerative breaking, CAN communication, full safety protection, additional option 4Q operation | ||
GEM IN-WHEEL DRIVE – G2.6
high power 6 kW boosted acceleration drive for diverse LEV applications
| STANDARD OPTION 1 | STANDARD OPTION 2 | CUSTOM | |
| Nominal power | 6 kW | 6 kW |
CUSTOM
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| Nominal torque | 250 Nm | 210 Nm | |
| Peak power (20 sec) | 7,5 kW | 8,5 kW | |
| Peak torque (20 sec) | 340 Nm | 280 Nm | |
| Battery-to-wheel efficiency | up to 92% | ||
| Voltage level | 48 V | ||
| Wheel rim size | 13" | ||
| Total motor weight | 25 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 | ||
| Features | integrated modular controller, regenerative breaking, CAN communication, full safety protection, additional option 4Q operation | ||
GEM IN-WHEEL DRIVE – G3
smart choice for demanding high-power future micro and small vehicle applications
| STANDARD | CUSTOM | |
| Nominal power | 7,5 kW |
CUSTOM SOLUTIONS
GEM in-wheel drive can be fast and professional customized to your needs.
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| Nominal torque | 300 Nm | |
| Peak power (20 sec) | 11 kW | |
| Peak torque (20 sec) | 400 Nm | |
| Battery-to-wheel efficiency | up to 92% | |
| Wheel rim size | 14" | |
| Total motor weight | 30 kg | |
| IP protection | IP67 | |
| Temperature range | -40 - +60 °C | |
| LEV applications | demanding high-power future vehicle applications | |
| Features | integrated modular controller, regenerative breaking, CAN communication, full safety protection, additional option 4Q operation | |
Fast and professional customization to your needs
- customization of power characteristics, torque values and speed
- customization to different battery packages, voltage level and battery types
Adjusting mechanical
and electrical interfaces
- custom mechanical adaption to your needs, external or integrated rim
- customization of motor communications and setting up communication protocols
Software adaptation
and customization
- customization of motor operation and signal interface to your needs
- customization and adaption of user interface for customer usage
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