Post by CSEM

☀️🛫 Ten years ago, many thought it was not possible. In August 2025, SolarStratos reached 9,521 meters and set a world record for manned solar-electric flight. 🌍  This was not only a record. It was proof of what long-term commitment, technical rigor, and bold collaboration can achieve. As a long-term partner, CSEM helped develop key technologies behind the aircraft, including ultra-light solar modules integrated into the wings and tail, along with battery expertise critical to performance in extreme conditions: https://lnkd.in/eVEjwbTu Every gram mattered. Every surface mattered. Every design choice had to support safe and efficient flight powered only by the sun and onboard batteries. 🚀 Raphaël DOMJAN said it clearly: “solar energy belongs to aviation’s future.” We are proud that CSEM helped make that message more credible, more visible, and more powerful. Matthieu Despeisse, Andreas Hutter, Bénédicte Bonnet-Eymard (Demaurex), Christophe Charrière, Joel Sunier, Pierrick Duvoisin, Delphine Petri, Jordi Escarré, Hengyu Li, Jacques L., Yves Stauffer, Pierrick Duvoisin, Laure-Emmanuelle Perret, Delphine Petri, Christophe Ballif, Tonio Buonassisi #SolarEnergy #CleanMobility #Aviation #ClimateTech #SwissInnovation

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