Romania's solar car.
Designed, built and raced by students at the Technical University of Cluj-Napoca.
- Speed
- 78km/h
- Sun into the array
- 880W
- Battery
- 71%
- From Darwin
- 1,512km
Hyperion
194 kg, three wheels, and 5.89 m² of silicon for an engine. Drag it round, or pick a part.
- Weight
- 194kg
- Top speed
- 120km/h
- Solar array
- 5.89m²
- Battery
- 3kWh
- Motor, at peak
- 5kW
Follow every kilometre.
The car reports to our ground station as it drives. On race days this page shows where it is and how it is doing.
Darwin to Adelaide,
22 to 29 August 2027.
325 days to the start of the Bridgestone World Solar Challenge. 3,033 km of public road, on sunlight.
- 2026Zolder 24 hours. 4th in Cruiser with Voyager Origin, 9th in Challenger with Hyperion Origin.
- 2025World Solar Challenge. Hyperion, 2,700 km on solar power.
- 2024European Solar Challenge. Solis EV4.
- 2023World Solar Challenge. Solis EV3, 1,200 km.
Five cars, each one lighter.
The first Solis weighed about 400 kg. Hyperion weighs 194.
Solis EV1
Aluminium frame, four wheels.
Solis EV2
Three wheels. Italian Solar Challenge.
Solis EV3
First carbon monocoque. World Solar Challenge.
Solis EV4
Built in nine months. European Solar Challenge.
Hyperion
Full-size array. World Solar Challenge.
Built between lectures.
Solis started at the Faculty of Electrical Engineering in 2018 and is open to every faculty at UTCN.
Electrical, software, mechanical, communication and partnerships. Nobody here had built a solar car before they joined.
The names on the car.
Materials, parts, machine time, advice and funding. The car exists because of them.
3DDot, Analog Devices, AROBS, Fundația Autonom, Bigstore, DSV, Electroglobal, EXT, GM Suspension, INCAS, Innotec, LAPP, Meze Audio, Neon, Nicmar Danci, Promelek, RebelDot, Reconbatt, Tehnologistics, Trambus
Your logo on the car, the car at your events, and a first look at the engineers who built it.
Write to the partnerships team