In the rapidly evolving world of aviation, a groundbreaking development is on the horizon—the Sirius Jet, a vertical take-off and landing (VTOL) aircraft powered by hydrogen electric technology. While the concept of VTOLs has been expanding on paper, few have reached operational status. However, Swiss startup Sirius Aviation aims to change that narrative with their ambitious project.
The Sirius Jet distinguishes itself from other VTOLs by employing a ducted fan propulsion system and a hydrogen-electric powertrain. This innovative approach, backed by major players in the automotive industry, including BMW DesignWorks and the Sauber Group, is poised to revolutionize air travel.
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The aircraft’s powertrain features a high energy-density hydrogen storage system, delivering fuel to a fuel-cell stack. In-flight, oxygen is drawn through a specialized intake on the aircraft’s nose, initiating a reaction that generates electricity and water. The electricity powers a network of electric motors—though the exact number remains undisclosed—while water produced is expelled through a rear exhaust system.
Notably, the Sirius Jet eliminates the need for a conventional battery to store electricity during flights, relying instead on an onboard power distribution unit and converter. The brief use of a backup battery for 90 seconds kickstarts the VTOL’s systems at the beginning of each flight.
“We have funds, but not enough to do this fast.”
ALEXEY POPOV
The Sirius Jet’s design, bearing the mark of BMW Design Works and the Sauber Group, sets it apart from the competition. Configured like a traditional aircraft, it boasts small wings at the front and mid-plane and a V-tail configuration at the rear. The large windscreen dominates the front end, exuding a sleek and modern aesthetic.
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Two versions of the Sirius Jet are planned: the Business Jet and the Millennium Jet. The Business Jet, tailored for private use, accommodates three passengers and boasts a range of 1,150 miles, a maximum altitude of 30,000 feet, and a top speed of 323 mph. On the other hand, the Sirius Millennium Jet, intended for commercial use, can carry five passengers with a slightly improved range of 650 miles.
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Sirius Aviation has set an ambitious target to have both versions of the Sirius Jet soaring through the skies by 2025. However, skeptics point to historical challenges in meeting such deadlines in the aerospace industry. Regulatory hurdles, a common obstacle for revolutionary technologies, still need to be explored, leaving questions about the aircraft’s path to commercialization.
As aviation enthusiasts eagerly await the realization of Sirius Jet’s promises, only time will tell if this hydrogen-powered VTOL will indeed take off and revolutionize air travel as we know it.
