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I am picturing a seat where the seat itself is stationary but the back slides forward or back on a track. Tray tables could be the style that stow in the seat a

• sokoloff 6y ago
  If you look at the side view of seated people, the incline of the upper body and the nesting of feet under legs of next row pax works against you for club seating (seating which faces each other) and works for you for all forward seating. If you look at the sibling comment’s video, you can see that the pelvis of humans seated back-to-back is farther apart than what you can achieve in today’s all forward-facing seating. People are willing to some extent to nest feet with people they know but probably don’t want to sit 90° upright for over an hour.
• Izkata 6y ago
  Like these (except for the tray): https://www.youtube.com/watch?v=DxDrPeb2mxs https://www.youtube.com/watch?v=DxDrPeb2mxs