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Any Model 3 RWD 18" driver willing to head to the Springfield MO area for data gathering vs. an AWD?

Discussion in 'Model 3' started by KarenRei, Sep 7, 2018.

  1. KarenRei

    KarenRei ᴉǝɹuǝɹɐʞ

    Joined:
    Jul 18, 2017
    Messages:
    9,619
    Location:
    Iceland
    Thanks to a generous offer from @efusco , we've got someone with an AWD 18" who's willing to gather data to let us compare the efficiency of an AWD and an RWD Model 3 in the exact same conditions. Obviously, for this we need someone with an RWD that's also running on 18" wheels who can get to the Springfield area (specifically, they're in Nixa). The test would be:

    * Inflate tires to the same pressure (hopefully they have similar levels of wear!)
    * Have the same amount of driver / cargo weight
    * Head to a flat area with little traffic
    * Drive the same road at the same time (but far enough apart so as not to draft) at a constant speed. Measure consumption (should only take a couple miles).
    * Do the same in the opposite direction, to cancel out any minor wind/slopes
    * Repeat for different speeds (such as 55, 65, 75 and 85mph).

    This will answer once and for all whether the EPA efficiency differences are as big as they let on in the real world, or whether they're due to different testing configurations (such as different wheels or whatnot). :)

    Any takers?
    Thanks to a generous offer from @efusco , we've got someone with an AWD 18" who's willing to gather data to let us compare the efficiency of an AWD and an RWD Model 3 in the exact same conditions. Obviously, for this we need someone with an RWD that's also running on 18" wheels who can get to the Springfield area (specifically, they're in Nixa). The test would be:

    * Inflate tires to the same pressure (hopefully they have similar levels of wear!)
    * Have the same amount of driver / cargo weight
    * Head to a flat area with little traffic
    * Drive the same road at the same time (but far enough apart so as not to draft) at a constant speed. Measure consumption (should only take a couple miles).
    * Do the same in the opposite direction, to cancel out any minor wind/slopes
    * Repeat for different speeds (such as 55, 65, 75 and 85mph).

    This will answer once and for all whether the EPA efficiency differences are as big as they let on in the real world, or whether they're due to different testing configurations (such as different wheels or whatnot). :)

    Any takers?
     
    • Like x 1
  2. efusco

    efusco Moderator - Model S & X forums

    Joined:
    Mar 29, 2009
    Messages:
    5,421
    Location:
    Nixa, Missouri, United States
    I can, potentially, travel regionally to meet someone half-way or whatever.
     
  3. NathanielHrnblwr

    Joined:
    Sep 24, 2015
    Messages:
    809
    Location:
    San Diego (Oceanside)
    wow. coordinating from across the pond. nice.
     
  4. SageBrush

    SageBrush REJECT Fascism

    Joined:
    May 7, 2015
    Messages:
    12,062
    Location:
    New Mexico
    This reminds me, I keep forgetting to put my hubcaps on for my longer trips.
     
  5. combo

    combo Member

    Joined:
    Jul 29, 2017
    Messages:
    18
    Location:
    Missouri
    I would offer (here in SGF myself), but have 19" wheels so that wouldn't work.
     

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