| Gliding Laboratory.
In the Works.
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Experimental Sailplane #1
It is a single-seat experimental demonstrator, self-launching thanks to an electric propulsion system with retractable propellers.
Empty weight – 210 kg
Wingspan – 15 m
Best glide ratio (L/D) – 44
On a single battery charge: 4 self-launches with a 550 m altitude gain, or 1 self-launch with a 2,500 m altitude gain.
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Experimental Sailplane #2
It is a two-seat experimental demonstrator, self-launching thanks to an electric propulsion system with retractable propellers.
Empty weight – 320 kg
Wingspan – 18 m
Best glide ratio (L/D) – 45
On a single battery charge: 3 self-launches with a 500 m altitude gain, or 1 self-launch with a 2,000 m altitude gain.
Missions to push the limits of both electric flight and unpowered flight.
Validate the technological solutions.
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The first flight tests will mark the transition from years of research, simulation and engineering to real-world validation. They will not represent the culmination of the project, but the beginning of a new phase: pushing the boundaries of what is possible through extraordinary flights and world-first achievements.
SOEEP is an open flying laboratory where advanced engineering technologies are confronted with reality—from simulation and digital twins to ground tests, flight tests and world-record missions. Our demonstrators provide a unique opportunity to validate advanced engineering technologies under real operating conditions. Unlike large aerospace programmes, we operate with the agility of a small, highly specialised team, enabling rapid iteration between simulation, engineering and flight testing. We accelerate the transition from digital models to proven technologies.
The future of gliding.
As testing progresses, the flight envelope is gradually expanded to characterize the sailplane’s performance, handling qualities, and limits. Each test campaign validates new configurations and confirms its ability to fly farther, higher, and faster.
Once its performance and reliability have been demonstrated, the sailplane can undertake long-distance flights, firsts, and record attempts. These missions also serve as real-world demonstrations of the technologies developed and integrated on board.
Beyond performance, the objective is to demonstrate the potential of autonomous, sustainable, and economically accessible gliding, while exploring new applications for sailplanes in response to the challenges facing the aviation industry of tomorrow.
