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    Jun 4, 2006 6:55:42 PM

    paul86
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    paul86
    Loc: Eindhoven , Netherlands
    Posts: 9, Gallery
    Registered on: Apr 4, 2005

    997 turbo rear wing

    hi guys,

    i was just reading an article about new 997 turbo at motortrend.com and found interesting fact:
    they say that the rear wing of 997 turbo is generating the force of 273 newtons wchich is exactly 27 kilograms (at 310 km/h). is that true? for me it's of little value
    what do you thnik?

    Jun 4, 2006 7:16:19 PM

    pierre
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    pierre
    Loc: there , Switzerland
    Posts: 1192, Gallery
    Registered on: Apr 7, 2002
    Reply to: paul86

    Re: 997 turbo rear wing

    The one on the 996 TT generated 9kg I think. So the new one (which looks pretty much like a clone of Techart's version) is better.

    Jun 4, 2006 10:13:49 PM

    Hurst
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    Hurst
    Loc: Potomac, MD
    Posts: 1255, Gallery
    Registered on: Apr 15, 2005
    Reply to: pierre

    Re: 997 turbo rear wing

    The extra downforce will be of value when you're at that limit (310kmph as stated). You'll fear for your life the equivalent of 18 kgs of downforce less

    Jun 4, 2006 11:29:23 PM

    DJB
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    DJB
    Loc: Virginia & Lucerne
    Posts: 198, Gallery
    Registered on: Apr 12, 2006
    Reply to: Hurst

    Re: 997 turbo rear wing

    Yep, and getting downforce on the rear to balance the natural downforce on the front at speed is always the challenge.

    Jun 6, 2006 2:27:27 PM

    Dan L
    Expert
    Dan L
    Loc: Santa Barbara, CA , United States
    Posts: 1957, Gallery
    Registered on: Jan 2, 2006
    Reply to: DJB

    Re: 997 turbo rear wing

    I'm a little surprised that these numbers are so low. Many years ago the rear whaletails put out about 400 lbs of downforce. Perhaps with all the cleanup UNDER the car they don't need as much? I don't think so. I would check your figures again.

    dan

    Jun 6, 2006 2:32:23 PM

    Crash
    Rennteam VIP
    Crash
    Loc: Never been to , Antarctica
    Posts: 8287, Gallery
    Registered on: Oct 17, 2002
    Reply to: Dan L

    Re: 997 turbo rear wing

    Quote:
    Dan L said:
    I'm a little surprised that these numbers are so low. Many years ago the rear whaletails put out about 400 lbs of downforce. Perhaps with all the cleanup UNDER the car they don't need as much? I don't think so. I would check your figures again.

    dan



    The cars were also 400 lbs lighter . From what I've heard they've also cleaned up the underbody.

    Jun 6, 2006 2:50:57 PM

    Joost
    Rennteam VIP
    Joost
    Loc: Dordrecht , Netherlands
    Posts: 8054, Gallery
    Registered on: May 3, 2004
    Reply to: Crash

    Re: 997 turbo rear wing

    I think it is a tradeoff between drag and downforce. Nowadays, the drag is also a value which is used a lot in car comparisons. Big wings generating much downforce will also have huge cw values.
    -Joost-
     
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