2023

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  • © Simeon Lüthi

    At ETH Zurich (Switzerland), students equipped a 4-seat aircraft with a battery electric powertrain as part of a student focus project. The E-Sling completed its first flight in Dübendorf, Switzerland, on September 19, 2022. To electrify a Sling-TSi, the combustion engine was removed and replaced by a modular battery system that stores 44 kWh of energy and achieves a range of up to 200 km. This modular battery system is monitored and controlled with the foxBMS® battery management system developed by Fraunhofer IISB. The safe and well documented architecture of foxBMS® enabled the Swiss student team to reach flight approval from the Swiss federal office of civil aviation (BAZL).

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