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TU Delft researchers developed a drone that can take off and land vertically using hydrogen
The drone weighs 13 kilograms and has a wingspan of three meters.
It is powered by 12 motors, so even if several motors fail. it can still land safely
The drone is equipped with a 300-bar, 6.8-liter carbon composite hydrogen cylinder.
The cylinder feeds hydrogen at low pressure to the 800-watt fuel cell that converts it to electricity.
A set of batteries provide extra power to the motors during the vertical take-off and landing.
During the horizontal hydrogen powered flight, the fuel cell can recharge the batteries
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