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Antares DLR-H2

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Antares DLR-H2
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The Antares DLR-H2 during its technical flight trial in June 2009 at Zweibrücken. The fuel cell is slung under the left wing and the hydrogen tank under the right wing – with a capacity of either 2 or 4.9 kilograms. The fuel cell system used to power the Antares delivers up to 25 kilowatts of electrical power, and when flying in a straight line, the aircraft only requires about ten kilowatts of power. In this situation, the fuel cell is operating at an efficiency level of approximately 52 percent.

Credit: DLR.
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