Powertrain
Single EMRAX 228, custom sprockets, and a Drexler Formula Student V1 limited-slip differential.
ELECTRIC / 2023 ARCHIVE
HR23-E
HR23-E focused on a simpler electric powertrain and a foundation for future development. Its archived subsystem pages describe a single-motor chain drive, a redesigned accumulator, and improvements in suspension adjustability and vehicle packaging.
2023 archive
01 — AT A GLANCEHR23-E
The essentials.
Published specifications from the original HR23-E subsystem archive.
- Motor
- Single EMRAX 228
- Final drive
- Chain drive · 3.13:1
- Accumulator energy
- 7 kWh (archived specification)
- System voltage
- 403 V (archived operating specification)
- Chassis
- 4130 normalized steel spaceframe
- Suspension
- Front & rear pullrod · Öhlins TTX20 MkII
02 — THE PROGRAMDESIGN & DEVELOPMENT
A foundation for the next car.
The archived powertrain description emphasized mastering the fundamentals with a single-motor architecture. Suspension development prioritized adjustability and gathering track data, while the chassis addressed packaging space.
Accumulator
The archive lists six modules, 480 cells in total, and 7 kWh capacity.
Controls
The archived controls package lists an Orion BMS 2 and custom safety and data-acquisition boards.
03 — GALLERYHR23-E
More info soon.
Additional history and competition details will be added as they become available.