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BMW i8 aerodynamics (video)

Discussion in 'Gen 3 Prius Fuel Economy' started by F8L, Nov 11, 2013.

  1. F8L

    F8L Protecting Habitat & AG Lands

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    Around timestamp 5:20 the magic happens. :)


     
    #1 F8L, Nov 11, 2013
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  2. Whiteyprius

    Whiteyprius Active Member

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    Big whoop - Prius has less coefficient of drag than BMW's 0.26!
     
    #2 Whiteyprius, Nov 12, 2013
  3. ETC(SS)

    ETC(SS) The OTHER One Percenter.....

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    Yeah, but one looks like a Prius.....
     
    #3 ETC(SS), Nov 12, 2013
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  4. F8L

    F8L Protecting Habitat & AG Lands

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    It depends on who is doing the measuring and in what kind of tunnel. GM measured the Prius with 17" wheels at 0.30.

    Regardless, my objective was to illustrate how important wheels and wheel wells are to overall aerodynamics. This wasn't meant to wow you. It was meant to make people think about their wheel choices a little more carefully.
     
    #4 F8L, Nov 12, 2013
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  5. elementnomore

    elementnomore Member

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    So you're saying I should put my wheel covers back on for my XCountry trip?


    Turn off signatures in Tapatalk Tapatalk
     
    #5 elementnomore, Nov 13, 2013
  6. 32kcolors

    32kcolors Senior Member

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    And GM tried to dispute Toyota's Cd claim because the former did their testing with the wheels standing still and the latter with the wheels spinning. If wheels are important to overall aerodynamics (as in BMW's case), then we know whose testing is more accurate.
     
    #6 32kcolors, Nov 13, 2013
  7. Codyroo

    Codyroo Senior Member

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    Do you suppose this will be an upgrade that the Gen IV prius will have to further improve fuel efficiency (thus lowering carbon emissions)?
     
    #7 Codyroo, Nov 14, 2013
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