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  1. #1
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    Carbon Brakes

    Could someone tell me a little bit about them all I know is that the hoter they are the better the better they work thats it.
    Thanks

  2. #2
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    they reduce unsprung weight by i think upwards of 40% and also they reduce brake fade tremendously, the down side is they will cost you more than most toyotas to equip to your porsche
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  3. #3
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    yes like porsche said they are alot better than the other materials used in brakes. But they can shoot up in prices, are you looking at putting them on your car, or are you just wondering about them?
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  4. #4
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    carbon ceramic (silicon carbide matrix) have a very high specific heat capacity which allows them to absorb more heat in less time so to speak, this allows the brakes to turn more kenetic energy to heat (slow the car down), most race car brakes are actually carbon carbon brakes (carbon fibre in a carbon matrix, yeah its confusing, i dont get it myself) with a carbon ceramic coating since carbon carbon brakes dont work well with moisture (even the moisture in the air will severly hinder their performance) and will burn in air once they reach 500 degrees centigrade

    steel and aluminum brakes arnt really used in racing since they dont have the specific heat capacity of carbon carbon or carbon ceramic rotors, these brakes can reach 1600 degrees centigrade under full braking power while normal rotors will melt at those temperatures, yes i said melt

  5. #5
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    Quote Originally Posted by lukehow
    Could someone tell me a little bit about them all I know is that the hoter they are the better the better they work thats it.
    Thanks
    do you want to put it on a car?for racing?

  6. #6
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    Quote Originally Posted by forza_autodelta
    do you want to put it on a car?for racing?
    i think he just wants general knowledge

  7. #7
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    carbon brakes dont solve the problem of fluid overheating (as far as i know)

    steel rotors are still by far the most widely used brakes (+95%?). only the top formulas (F1, F3000, etc.) use C-C and only a few others outside of these classes (some lemans prototypes and GT, MotoGP, ...)

  8. #8
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    Quote Originally Posted by johnnyperl
    carbon brakes dont solve the problem of fluid overheating (as far as i know)

    steel rotors are still by far the most widely used brakes (+95%?). only the top formulas (F1, F3000, etc.) use C-C and only a few others outside of these classes (some lemans prototypes and GT, MotoGP, ...)
    not to forget porsche, as i mentioned
    He came dancing across the water
    With his galleons and guns
    Looking for the new world
    In that palace in the sun
    On the shore lay Montezuma
    With his cocoa leaves and pearls

  9. #9
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    Quote Originally Posted by my porsche
    not to forget porsche, as i mentioned
    porsche race cars (911 cup etc.) do not have carbon brakes.

    there are probably more (by individual car) street cars (360CS, porsches, enzo, MC12) with carbon brakes than race cars

  10. #10
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    carbon brakes need a lot of cooloing. porsche has had problems with it's PCCB (Porsche Carbon Ceramic Brakes) overheating due to poor cooling in Turbos and GT2s due to inadequate cooling due to the design of the front bumpers. however they still work awesome and will last 400,000+kms
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  11. #11
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    Quote Originally Posted by 2ndclasscitizen
    will last 400,000+kms
    Wasn't there a problem with some PCCBs degrading after only a few thousand miles?

    As I understand it they tend to work best with a bit of temperature in them, rendering them largely pointless on road cars which spend a lot of time at low speed in town, or cruising at constant speeds on the highway/freeway/motorway/autostrada/route national/autobahn/whatever.
    Thanks for all the fish

  12. #12
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    Quote Originally Posted by Coventrysucks
    As I understand it they tend to work best with a bit of temperature in them, rendering them largely pointless on road cars which spend a lot of time at low speed in town, or cruising at constant speeds on the highway/freeway/motorway/autostrada/route national/autobahn/whatever.
    do they dissipate heat well, or does it stick around for a while?

    but yeah, it would be basically useless to have them on a road car
    pondering things

  13. #13
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    im gonna put carbon brakes on my sentra
    pondering things

  14. #14
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    Quote Originally Posted by targa
    im gonna put carbon brakes on my sentra
    dude i hope ur joking

  15. #15
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    Quote Originally Posted by KnifeEdge_2K1
    dude i hope ur joking

    LOL!! I was about to say the same thing!!!
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