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HP_Garage_RTo7_1
HP_Garage_RTo7_2
HP_Garage_RTo7_5
HP_Garage_RTo7_4
HP_Garage_RTo7_3
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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
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Suspension
- 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
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Chassis
- 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
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Electronics
- 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
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Successes
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