A race-ready car
CTM’s first fully drivable car; all scrutineering checks at FSA passed at the first attempt.
Season 2020/21
e03
Formula Student Electric · First race entry
“From the drawing board to the race track – CTM’s first drivable car”
The first fully drivable race car from Campus Tirol Motorsport. All technical inspections at Formula Student Austria were passed at the first attempt.
e03 – First active race entry at Formula Student Austria
Key facts
4.1 s
0–100 km/h
260 kg
Total weight
70 kW (≈ 95 PS)
Power
120 km/h
Top speed
RWD rear
Drivetrain
Highlights & innovations
An overview of the technical milestones and key innovations of this race car.
Decoupled suspension
Decoupled pullrod spring-damper system with additively manufactured wishbone elements.
700 Nm wheel torque
Two-stage planetary gearbox per motor coupled to a 600 VDC battery system.
Detailed assemblies
Technical parameters and assembly details for design judges, partners and fans.
Overall vehicle
- Weight: 260 kg
- Dimensions: 3.1 m × 1.45 m × 1.2 m
- Top speed: 120 km/h
- Wheelbase: 1,550 mm
- Power: 70 kW
High-voltage accumulator
- Self-developed battery system focused on reducing weight and complexity
- Voltage: 600 VDC (144s4p), capacity: 6.2 kWh
- Self-developed battery management system
- Active air cooling
Chassis
- Weight-reduced tubular steel space frame
- Improved torsional stiffness
Suspension
- Decoupled spring/damper system
- Pullrod independent suspension with double wishbones
- Topology-optimized uprights on the front axle
- Additively manufactured, topology-optimized wishbone elements
Aerodynamics
- Downforce-optimized aerodynamics package
- Front, side and rear wings made of carbon
- Closed underbody with diffuser
Powertrain
- Independent PMSM wheel-hub motors
- Two-stage planetary gearbox for each motor
- Total torque: 700 Nm
- Water cooling via additively manufactured cooling housings
Season achievements & trophies
First active participation– FS Austria (FSA)
All technical inspections (scrutineering) passed successfully
Milestone: CTM’s first race-ready car on a race track