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H2FLY begins liquid hydrogen tank integration

H2FLY, a Stuttgart-based developer of hydrogen fuel cell technologies, has begun the integration of a liquid hydrogen storage system tank into its HY4 aircraft.

According to the company, the process commenced following the liquid hydrogen tank passing the vibration and LH2 leakage testing phase at Air Liquide in September.

The announcement marks a significant step forward for Project HEAVEN – an initiative which has set out to design, develop and integrate a powertrain based on high-power fuel cell and cryogenic technology, into an existing aircraft for testing in-flight operation.

H2FLY supplies the complete fuel system supporting the HY4 aircraft, along with the integration platform and overall system architecture and controls of the fuel cell and hydrogen storage system. H2FLY said it will play a critical role as development lead in the coordination of the system implementation, ensuring each part is properly adapted to guarantee safe functionality.

Partners on the HEAVEN project include cryogenic tank supplier and designer Air Liquide Advanced Technologies, Pipistrel Vertical Solutions who will support the operation and testing of the tank, and DLR who will support operation and testing of the high power fuel cell and system architecture.

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