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Mechanical Drivetrain

  • Motor: 2x Bosch SMG 180 an der Hinterachse
  • Power: 120 kW per motor
  • Transmission: self-developed 2-stage spur gear; transmission of 2.58
  • Cooling: separate cooling circuits for motors and inverter; cooling agent: water



  • Wheel suspension: CFRP double wishbone axles
  • Upright: topology optimized aluminium structure, manufactured via investment casting
  • Spring damper system: Öhlins TTX25 MK2 Dampers actuated via pull rod (front axle), push rod (rear axle) and rocker, U steel stabilizer with turning swords
  • Wheel hub: Sintered titanium structure
  • Brake system: self developed brake calipers for front and rear axle made of AlSi7Mg0.6, topology optimized, manufactured by investment casting; steel brake disks
  • Rims: 13" CFRP-rim with magnesium rim star
  • Tires: Hoosier 20.5x7.0-13
  • Wheelbase: 1530 mm
  • Front track width: 1200 mm
  • Rear track width: 1160 mm


  • Chassis: welded steel tubular frame with CFRP reinforcement
  • Rear frame: 5-piece aluminium investment casting structure consisting of gearbox and swing; material made of AlSi7Mg0.6
  • Shell: consisting of magnesium sheet, formed by warm reshaping
  • Accumulator housing: consisting of aluminum sheet
  • Pedals: Accelerator and brake pedal made of aluminium
  • Security structures: Main roll hoop made of steel, front roll hoop made of steel; crashbox made of an aluminium base plate and Rohacell foam
  • Ergonomics: CFRP seat; CFRP steering wheel; 6 point harness; pedals adjustable to driver size



  • Accumulator: total capacity of 5,6 kWh, 310 V system voltage, 252 lithium-polymer cells in a 84s3p connection, self-developed Battery Management System (BMS) in master slave design
  • Power electronics: 2x Bosch INV2.2
  • Low voltage system: Modular decentralised control system of self-designed circuit boards for:
    • Measured value acquisition
    • Driver interface
    • Vehicle supply
    • Vehicle dynamics control
    • Security systems
    12 V supply voltage via a HV DC/DC converter


Formula Student Germany
3. Statics Overall

Formula Student Spain
1. Skid Pad
2. Statics Overall
3. Overall

Formula Student Italy
5. Overall

World ranking
8th place

Racetech Racing Team TU Bergakademie Freiberg e.V.