Motors & Gearboxes

A revolutionary propulsion system with extreme power and torque output in a compact package with low weight.

Motors

Optimum level of integration makes our systems the ideal choice for high-performance applications. Every components is perfectly matched to the entire system which results in the most power-dense system in the 150+ kW range.

Our motor system can be used as independent-wheel drive system for Torque Vectoring applications but can also be matched to a differential or directly coupled to a shaft for a more traditional propulsion concept.

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MOTOR SPECS

  D - PM - OC - 600 PM - OC - 500 PM - OC - 300 PM - OC - 250
Motor type Internal Permanent Magnet Synchronous Motor
Internal cooling Rotor and stator oil cooling with oil-water heat exchanger and integrated pump
External cooling loop Water / glycol
Continuous system power 386 kW @ 8.800 RPM 320 kW @ 8.800 RPM 193 kW @ 8.800 RPM 160 kW @ 8.800 RPM
Peak system power 654 kW @ 8.500 RPM 638 kW @ 8.500 RPM 327 kW @ 8.500 RPM 319 kW @ 8.500 RPM
Continuous system torque 600 Nm (0-4.000 RPM) 500 Nm (0-4.000 RPM) 300 Nm (0-4.000 RPM) 250 Nm (0-4.000 RPM)
Peak system torque 848 Nm (0-7.400 RPM) 660 Nm (0-7.400 RPM) 424 Nm (0-7.400 RPM) 330 Nm (0-7.400 RPM)
DC voltage 200 - 800 V DC
Max current (per motor) 600 A rms
Maximum speed 12.000 RPM
Number of poles (per motor) 10
Peak efficiency 95%
Weight of motors (excl. reduction gearboxes) 115 kg 95 kg 59 kg 50 kg
High voltage cable cross-section 70 mm2 / AWG 2/0
Dimensions of dual motor incl. sump (L x W x H) 365 x 453 x 430 mm 365 x 403 x 430 mm 286 x 308 x 335 mm N/A
Motor position sensor Sinus/cosinus encoder
Oil temperature sensor NTC 323-055
Oil pressure sensor VDO 360005
Protection grade IP - 64

 

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Gearboxes

The Rimac Automobili Gearboxes were developed for the most demanding electric vehicle applications. They include single or two speed systems with dual-carbon-clutch and pulse dampening units.

The high-efficiency gear technology contributes to an extended battery-powered driving range and high torque capacity with more than 97% efficiency.

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GEARBOX SPECS

  Single speed gearbox Two speed gearbox
Maximum input torque 420 Nm 450 Nm
Maximum input speed 13.000 RPM 13.000 RPM
Efficiency more than 97% more than 95%
Torque transmission Possibility of transmitting torque in both directions (regenerative braking)
Weight 22 kg 45 kg
Dimensions 407 x 277 x 211 mm 327 x 328 x 341 mm
Housing CNC billet machined high strength aluminum
Oil lubrication 0,7 l gradation 75W-140 0,9 l gradation 75W-140
Center distance 130 mm
Available reduction ratios 1:3,5 - 1:4,2 1:3,5 - 1:9,2
Available gear tooth type helical, straight (spur)
Housing type Integrated tripoid housing