Stellar Alpina’s innovation opens new possibilities for orbital mobility
The Zurich‑based robotics startup Stellar Alpina is developing rotating detonation rocket engines (RDREs) that reduce the size and complexity of propulsion systems while improving performance. The company has secured CHF 150,000 from Venture Kick to build a new generation of compact rocket engines for moving spacecraft once they reach orbit, and has already completed Europe’s first commercial RDRE hot‑fire campaign with eight detonative tests and up to five stable detonation waves.
The Zurich‑based robotics startup Stellar Alpina is developing rotating detonation rocket engines (RDREs) that reduce the size and complexity of propulsion systems while improving performance. The company has secured CHF 150,000 from Venture Kick to build a new generation of compact rocket engines for moving spacecraft once they reach orbit, and has already completed Europe’s first commercial RDRE hot‑fire campaign with eight detonative tests and up to five stable detonation waves.
It demonstrates Swiss engineering excellence in advanced propulsion, reinforcing the country’s reputation for high‑tech innovation and supporting the broader Swiss high‑tech ecosystem that includes AI research and development.
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