Key Takeaways
- Stellar Alpina has received €160,000 from Venture Kick to enhance its rocket engine technology.
- The startup focuses on rotating detonation rocket engines (RDREs) for efficient in-space propulsion.
- Funding will support testing infrastructure and the development of its first flight engine.
Funding and Innovation in Space Propulsion
Zurich-based Stellar Alpina, a space technology startup, has secured €160,000 (CHF 150,000) in funding from Venture Kick to advance its innovative rocket engine technology focused on in-space propulsion. The startup was founded by Rick Röthlisberger, Simi Y. Wespi, Victor Elliesen, and Patrick Egli, emerging from the Academic Spaceflight Initiative Switzerland (ARIS) where the team worked on propulsion technology in 2024.
Stellar Alpina is developing rotating detonation rocket engines (RDREs), a novel propulsion system aimed at making spacecraft smaller, lighter, and more efficient after launch. As the frequency of space access continues to rise, there is a growing need for satellites and other spacecraft to adjust orbits, reposition, and travel beyond Earth’s orbit. Conventional rocket engines often result in added weight and complexity, which can constrain the capabilities of these in-space vehicles.
The startup’s RDRE technology utilizes continuously rotating, supersonic combustion waves to produce thrust. This innovative approach promises to enhance efficiency while decreasing both the size and complexity of rocket engines. The potential applications of this technology include orbital transfers, satellite repositioning and inspection, as well as supporting future in-space infrastructure and deep-space missions.
The funding from Venture Kick will play a pivotal role in expanding Stellar Alpina’s testing infrastructure and facilitating further hotfire campaigns to refine its technology. The investment is also aimed at propelling the development of the company’s first flight engine, marking a significant step toward the practical application of their RDRE technology in actual space missions.
With this advancement, Stellar Alpina positions itself at the forefront of a new era in space propulsion, offering solutions that could revolutionize the operational capabilities of spacecraft in an increasingly crowded and demanding space environment.
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