Hydrogen-electric propulsion
For cleaner, cheaper, quieter aircraft
Stralis propels emission-free aviation forward with efficient hydrogen-electric technology.
Our scalable patent-pending tech is 6x lighter than current state-of-the-art, enabling 10x longer flights than battery-electric and operating at up to 50% the cost of fossil fuel aircraft.
Lightweight
Low maintenance
Low drag
Zero emissions
Stralis-He
Our propulsion system is based on 120kW modules that are scalable for higher power applications ›

Explore use-cases
Our Stralis-HE hydrogen-electric propulsion system scales to suit a range of aircraft sizes and types.
Building and testing
After thousands of hours in testing, Stralis-HE doesn’t just measure up, it stands out on every metric





The aviation sector must
decarbonise by 2050
The cost challenges and narrow operating margins in aviation are well-known across the industry and pose an increasing risk. Flying is the most carbon-intensive mode of transport, yet no practical and scalable emission-free options exist. Until now...
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