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The four-seat Dragonfly features distributed hydrogen-electric propulsion.
French startup Blue Spirit Aero has rolled out a full-scale prototype of its Dragonfly four-seat hydrogen-electric light aircraft.
At the unveiling at Le Mans Arnage Airport on June 10, the aircraft taxied under its own power to a hydrogen distribution station and demonstrated refueling.
The Dragonfly is equipped with 12 electric motors, each with its own fuel cell, housed in replaceable pods under the wing. With a maximum takeoff weight of 1,800 kg (4,000 lb.), the aircraft is designed to fly 375 nm at 125 kt. (143.8 mph). A six-seat version is also planned.
Combined, the distributed propulsion units produce 180 kW, but the aircraft noise level is less than 70 dB, Blue Spirit Aero (BSA) says. Takeoff noise for the Cirrus SR22 four-seater is about 83 dB(A). With the slipstream from 12 propellers blowing over the wing, the Dragonfly can take off in 985 ft.
The Dragonfly was unveiled on the eve of the 24 Hours of Le Mans motor race, at the racecourse where the Wright brothers made the first public flight of the Flyer on Aug. 8, 1908. The prototype is planned to be on static display at the Paris Air Show on June 16-22.
The green hydrogen refueling station installed at Le Mans Airport was installed for the unveiling by Atawey, BSA’s technology partner. “We were able to validate the reliability of our propulsion system, the robustness of the on-airfield hydrogen refueling system and the overall integration of our technical innovations under real-world conditions,” BSA founder and President Olivier Savin said in a statement.
The prototype will now be prepared for test flights, says BSA, which is aiming for European Union Aviation Safety Agency CS-23 certification of the Dragonfly in 2026 and entry into service in 2027. The startup has received funding support from France’s Occitanie region and public sector investment bank Bpifrance.
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