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Thread: McLaren MP4-12C 2011-2014

  1. #46
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    I would never have taken you for a Mexican.
    "I find the whole business of religion profoundly interesting, but it does mystify me that otherwise intelligent people take it seriously." Douglas Adams

  2. #47
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    When it comes down to this much performance, more than any average buyer of this caliber car can ever use....I'd still opt for the 458....it's just more sexy in every way.

  3. #48
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    No, I am far too lazy to be a Mexican.

    >8^)
    ER

  4. #49
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    Quote Originally Posted by Dino Scuderia View Post
    When it comes down to this much performance, more than any average buyer of this caliber car can ever use....I'd still opt for the 458....it's just more sexy in every way.
    in post 27 the car has a strong resemblence with a Modena....
    "I find the whole business of religion profoundly interesting, but it does mystify me that otherwise intelligent people take it seriously." Douglas Adams

  5. #50
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    Quote Originally Posted by Peloton25 View Post
    No, I am far too lazy to be a Mexican.

    >8^)
    ER
    you should be, they do all the work in California
    "I find the whole business of religion profoundly interesting, but it does mystify me that otherwise intelligent people take it seriously." Douglas Adams

  6. #51
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    One thing is puzzling to me:

    How can this thing be almost one second faster to 200kph than the GT2 RS with less horsepower and more weight?

    (620 vs 600 PS, 1370 vs 1434 kg)

  7. #52
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    Better launch control, grippier tyres, flappier paddle gearbox, shorter diff.. or a different reason. There are many possibilities.
    Life's too short to drive bad cars.

  8. #53
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    Aerodynamics also play a big role at speeds over 100 kph. I can almost guarantee the McLaren is far slipperier.

    >8^)
    ER

  9. #54
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    I haven't seen any published wind drag coefficient numbers for the McLaren 12c....but for reference the 458 is .33 and the Lexus LFA is .31 with 'wings' down.

    Standard McLaren F1 is .32 but with wing up it goes to .39 and that wing goes up at 40mph.

    So slipperinousosity is a moving target in many ways.

  10. #55
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    I've not seen a figure, but they do say it's rather slippery. I guess that means it's precisely average.
    Life's too short to drive bad cars.

  11. #56
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    Quote Originally Posted by Dino Scuderia View Post
    I haven't seen any published wind drag coefficient numbers for the McLaren 12c....but for reference the 458 is .33 and the Lexus LFA is .31 with 'wings' down.

    Standard McLaren F1 is .32 but with wing up it goes to .39 and that wing goes up at 40mph.

    So slipperinousosity is a moving target in many ways.
    McLaren F1's wing(more of a flap) doesn't come up unless its under braking...
    University of Toronto Formula SAE Alumni 2003-2007
    Formula Student Championship 2003, 2005, 2006
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  12. #57
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    Quote Originally Posted by RacingManiac View Post
    McLaren F1's wing(more of a flap) doesn't come up unless its under braking...
    Indeed it does, my bad.

  13. #58
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    Quote Originally Posted by RacingManiac View Post
    McLaren F1's wing(more of a flap) doesn't come up unless its under braking...
    This is not entirely correct.

    There is a 3-position switch on the left dash pod which allows the driver some control of the F1's 'Brake Balance Foil'.



    In the center position the flap sits flush with the body as is typically seen, ready to deploy automatically under braking as you describe.

    Turn the switch to the right of center and the foil raises to a fixed position of about 10 degrees to improve rear downforce under what the owner's manual terms 'difficult driving conditions'.

    Rotating the switch to the left from the center position causes the foil to raise to its full extension at approximately 30 degrees, however this is just a test position and is only activated when the vehicle is stationary. It lowers automatically to the flush position when you begin driving with the switch in that position, and then will redeploy to full extension each time the vehicle stops.

    Here's a favorite shot of XP4 being driven with the wing in the partially raised position:



    Click to enlarge

    >8^)
    ER

  14. #59
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    That I honestly don't know.....good info...
    University of Toronto Formula SAE Alumni 2003-2007
    Formula Student Championship 2003, 2005, 2006
    www.fsae.utoronto.ca

  15. #60
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    Someone interested in the same pictures as posted before but then in 4000x2600 ?

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