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Why fresh air setting for jumpseats?

Discussion in 'Model S: Interior & Exterior' started by Hota, Jul 25, 2016.

  1. Hota

    Hota Member

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    Jun 27, 2016
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    Location:
    New England
    Tesla encourages the use of the fresh air setting for better air circulation when using the rear jumpseats.

    Can anyone explain why that setting has better circulation to the trunk? When I put that setting on, the speed of air exiting the rear vents noticibly decreases.
     
  2. 787steve

    787steve Member

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    Location:
    Cary, NC
    Just a guess, but when in recirculation, perhaps the rear seats don't get a good stir of the air. When you go to fresh, the increase of air exiting the rear vents would certainly pull fresh air from the front across the jumpsuit area, eliminating dead air spaces.

    Airliners use similar strategies in some non normal events, allowing the pilots to evacuate smoke from one area of the airplane or another. And no, in 30+ years of flying, I never had to do it, except during simulator training. Don't be afraid, be happy that we are ready for the unlikely.
     
  3. Hota

    Hota Member

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    Location:
    New England
    Good point that must be it...the outflow must be in the rear trunk area. Thanks!
     
  4. tomp

    tomp Member

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    Location:
    Durham, NC
    The air 'exit' points are in the trunk (also to allow pressure equilibration when someone opens or closes a door). So when you are on fresh air, it draws air in from the outside, cools that air, then pushes it into the cabin via the 1st and 2nd row vents. A roughly equal amount of air needs to then exit the car, which occurs primarily via those exit points in the trunk.
     
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