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minimum and optimal tire temperature

Discussion in '458 Italia/488/F8' started by stereotaipei, Jan 4, 2011.

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  1. stereotaipei

    stereotaipei Formula Junior

    Jan 27, 2010
    256
    Taiwan + Europe
    #1 stereotaipei, Jan 4, 2011
    From your experience, what is the minimum temperature at which tires start to have a decent grip?
    At which temperature do you get optimal grip and are you able to push hard (and in confidence)?
    At which temperature tires get too hot?
    Also, what is the optimal tire pressure?
    thanks!
     
  2. scud

    scud F1 World Champ

    Oct 2, 2004
    11,803
    #2 scud, Jan 4, 2011
    how long is that string?

    depends on track,tyre,weather,car,driver,pressure in relation to tyre brand etc etc etc etc etc.....
     
  3. stereotaipei

    stereotaipei Formula Junior

    Jan 27, 2010
    256
    Taiwan + Europe
    #3 stereotaipei, Jan 4, 2011
    sure, it depends... but I would appreciate some guideline- whatever the track, weather, etc... it seems there is a point where the "tires start to work". I have Bridgestone Potenza tires, from my experience, at 50F grip is nonexistent, at 70F grip start to improve and above 100-120F grip start to plateau.
    But I am not an expert driver, so would love to get others experience (and since the 458 shows the tire temperature, I believe it is useful info to better understand when I can start to push more safely).
     
  4. ttforcefed

    ttforcefed F1 World Champ
    Rossa Subscribed

    Aug 22, 2002
    19,216
    #4 ttforcefed, Jan 4, 2011
    at 50 to 60 degrees its fine as long as ur not doing anything stupid...
     
  5. wings

    wings Formula Junior

    Dec 13, 2003
    846
    #5 wings, Jan 4, 2011
    I can tell you that in my 599 I look for tire temps of 100+ Front and 95+ rear. If the surface temp is 50/55 it is difficult to get to these temps without a lot of high speed running and yes, you will slip and slide if you push your car without sufficient tire temp.
     
  6. jadatis

    jadatis Rookie

    Nov 26, 2009
    17
    #6 jadatis, Jan 5, 2011
    Mayby you can do something with spreadsheets and things I discoverd when being busy with calculating tire-pressure.
    http://cid-a526e0eee092e6dc.office.live.com/self.aspx/.Public/pressurecalculationwithtemp.xls
    This spreadsheet I made especially for races where the inside tire-temperature can get 90 dgr Celcius, so I read. At the top in part one you can calculate the needed pressure with the system the tire-manufacturers in Europe also use.
    In part 2 I asume the pressure warm (90dgr) for races, must be the same as calculated for normal inside tire temperature ( about 45 dgr C) , and calculates what the pressure has to be cold to become warm the same . In the english version I calculate with degrees Fahrenheit and psi. The Dutch version ( my native language) in Degr C and Bar.
    From this link you can navigate my complete public map of hotmail for more spreadsheets and articles.
    But lately opening the sheets has become more difficult, because some browsers try to open thenm in the browser, in wich they dont work. You have to download and open them directly in Excell or open office Calc to work with them.
     

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