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Video answers: ‘Making the 777 more efficient’

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

Suggested ICAO level for video: 5+

  1. They wanted to improve fuel efficiency by 2%.
  2. They olympic athlete wears very light shoes to improve performance, Boeing took the same approach with the 777, making small individual improvements which added together, helped to achieve their goal.
  3. They removed 15,000 to 20,000 washers to save 117lbs.
  4. They were replaced with the new rubber technology to reduce their weight (in total) by 110lbs.
  5. Originally, they weren’t completely smooth against the flow of air, so that was fixed and helped to improve performance.

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