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Boeing’s fuel cell technology answers

Here are the answers to last Friday’s video, enjoy!

Suggested ICAO level for video: 5+

  1. Fuel cells in the propulsion system of small unmanned air vehicles.
  2. It’s used to break the water molecules into hydrogen that gets stored, compressed and put onto the aircraft as a fuel source.
  3. Eight to nine hours.
  4. She describes them as a very efficient fuel source that produces heat, electricity and water from the electrochemical reaction between hydrogen and air.
  5. With fuel cells, there’s less noise and vibrations, there’s less thermal signature from the plane, there’s increased endurance compared to battery-powered UAVs, and increased reliability compared to internal combusion-engine powered UAVs.
  6. They don’t produce any emissions, it’s a totally sustainable process.

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