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    Jun 28, 2005 7:50:54 PM

    GPdriver
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    Autocars 0-100-0 challenge

    here are the following times..ill list the 0-60,then the 0-100 then the 0-100-0 time


    Ford Gt 3.93,8.59,13.17

    DB9 Manual 4.62,10.24,14.92

    c6 corvette 4.62,10.8,15.32

    Noble m400 3.72,8.8,13.51

    M5 4.69,9.71,14.16

    MItsubishi evo 9 4.23,10.73,15.15

    porsche carrera S 4.52,10.42,15.39

    silly cars...

    Ariel Atom supercharge 3.15,6.86,10.88

    Caterham 260 3.27,7.55,11.41

    BIke..Suzuki GSX r1000 3.18,5.63,10.82

    Jun 28, 2005 8:43:22 PM

    Mike S
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    Reply to: GPdriver

    Re: Autocars 0-100-0 challenge

    omg that ariel atom is fast! it is almost head to head with the GSX-R!!

    i'm glad to see the noble is 3rd in the list (how's that for a "kit car" for those who don't really like it?)

    Jun 28, 2005 8:47:20 PM

    Grant
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    Reply to: Mike S

    Re: Autocars 0-100-0 challenge

    I don't know about you, but I like those "silly cars"

    Sort of embarassing that the 997S loses to the EVO that costs 1/3 as much (they handle well too).

    Jun 28, 2005 9:03:52 PM

    svtrader1
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    Reply to: Grant

    Re: Autocars 0-100-0 challenge

    Quote:
    Grant said:
    I don't know about you, but I like those "silly cars"

    Sort of embarassing that the 997S loses to the EVO that costs 1/3 as much (they handle well too).



    The real stunner is the 4000lb. M5 beating the 911S in the braking department!

    Jun 28, 2005 9:22:14 PM

    Grant
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    Reply to: svtrader1

    Re: Autocars 0-100-0 challenge

    Actually, the 997S had one of the worst braking times on the list (surprising with the good weight distribution).

    Jun 28, 2005 9:24:07 PM

    Grant
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    Reply to: Grant

    Re: Autocars 0-100-0 challenge

    For comparison, the Ultima GTr does 0-100-0 in 10.3secs:

    http://www.ultimasports.co.uk/record.html

    Jun 28, 2005 10:21:49 PM

    Martin Tyler
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    Reply to: GPdriver

    Re: Autocars 0-100-0 challenge

    Is that the full list? they usually get a few more high end cars

    Jun 28, 2005 10:49:10 PM

    Carlos from SpainM
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    Reply to: Martin Tyler

    Re: Autocars 0-100-0 challenge

    And a stock Gixxer beats them all!

    I find the 997S braking times strange since thats the 997S' strong part, the 997S brakes in shorter distance than a previous 996TT for example... and you know 100% sure there is something wrong when it doesn't beat a 1800kg front engined sedan in stopping distance, its a matter of simple physics.

    Jun 28, 2005 11:22:18 PM

    RossN
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    Reply to: Martin Tyler

    Re: Autocars 0-100-0 challenge

    Actually Ulitma recently broke their own record with a new 9.8 second run.

    http://www.ultimasports.co.uk/newrecord.html

    Jun 28, 2005 11:24:32 PM

    brunner
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    Reply to: Carlos from SpainM

    Re: Autocars 0-100-0 challenge

    Quote:
    Carlos from Spain said:
    And a stock Gixxer beats them all!

    I find the 997S braking times strange since thats the 997S' strong part, the 997S brakes in shorter distance than a previous 996TT for example...


    In a previous test, the 997S beat the CGT in braking distance

    Jun 28, 2005 11:31:15 PM

    nberry Offline
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    Reply to: Grant

    Re: Autocars 0-100-0 challenge

    Quote:
    Grant said:
    Actually, the 997S had one of the worst braking times on the list (surprising with the good weight distribution).



    Are carbon brakes standard on the S? If not, that may explain the difference.

    Jun 29, 2005 1:34:12 AM

    JimFlat6
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    Reply to: nberry

    Re: Autocars 0-100-0 challenge

    Quote:
    nberry said:
    Quote:
    Grant said:
    Actually, the 997S had one of the worst braking times on the list (surprising with the good weight distribution).



    Are carbon brakes standard on the S? If not, that may explain the difference.



    They are not.Porsche offers PCCB - Porsche ceramic brakes
    as a 8K option.

    The BMW might out brake it, but not for too many times!

    Jun 29, 2005 4:42:34 AM

    Grant
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    Reply to: JimFlat6

    Re: Autocars 0-100-0 challenge

    Quote:
    JimFlat6 said:
    The BMW might out brake it, but not for too many times!



    That's exactly right. One stop from 100-0 is not very telling, since the brakes aren't even warm yet (a necessity for some pads to have good friction). Would be interesting if they did 10 tests (both on the acceleration side and braking, since heat soaking negatively affects some motors pretty badly too)

    Jun 29, 2005 7:12:11 AM

    Carlos from SpainM
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    Carlos from Spain
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    Reply to: nberry

    Re: Autocars 0-100-0 challenge

    Quote:
    nberry said:
    Quote:
    Grant said:
    Actually, the 997S had one of the worst braking times on the list (surprising with the good weight distribution).



    Are carbon brakes standard on the S? If not, that may explain the difference.



    I don't believe it would make much difference in a single stopping disctance test since both brakes (the red Turbo's steel brakes and the PCCB's) are enough to lock the wheels and bite just as hard, the difference between them is the supersior resistance to fade and temperature of the PCCBs compound in prolonged use and diffenrent pedal feel.

    Jun 29, 2005 7:21:04 AM

    svtrader1
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    Reply to: Carlos from SpainM

    Re: Autocars 0-100-0 challenge

    Quote:
    Carlos from Spain said:
    Quote:
    nberry said:
    Quote:
    Grant said:
    Actually, the 997S had one of the worst braking times on the list (surprising with the good weight distribution).



    Are carbon brakes standard on the S? If not, that may explain the difference.



    I don't believe it would make much difference in a single stopping disctance test since both brakes (the red Turbo's steel brakes and the PCCB's) are enough to lock the wheels and bite just as hard, the difference between them is the supersior resistance to fade and temperature of the PCCBs compound in prolonged use and diffenrent pedal feel.



    PCCB brakes reduce unsprung weight greatly. Which would explain how a PCCB equipped 911 outperformed the CGT in a previous test.

    Jun 29, 2005 8:09:45 AM

    Carlos from SpainM
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    Reply to: svtrader1

    Re: Autocars 0-100-0 challenge

    The CGT has PCCB's as standard equipment.

    Jun 29, 2005 8:33:38 AM

    Mike S
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    Reply to: Carlos from SpainM

    Re: Autocars 0-100-0 challenge

    the noble's brakes are too small IMO! compared to my porsche it must be half the size.. i'll take a pic and show you why i think so if they just put a bit bigger calipers etc. it will outbrake all of them!

    Jun 29, 2005 12:20:59 PM

    Carlos from SpainM
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    Reply to: Mike S

    Re: Autocars 0-100-0 challenge

    The Noble is also half the weight of the Porsche so it needs much less brakes, because the problem with larger brakes is that it increases unsprung weight, so excessive brakes can also be unecesarily detrimental to the handling if it doesn't bring a significant braking advantage, if its doesn't need those larger brakes. Do you feel they fade quickily or don't have enough bite?

    Jun 29, 2005 12:51:54 PM

    Mike S
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    Reply to: Carlos from SpainM

    Re: Autocars 0-100-0 challenge

    true carlos, but i still think they should've been a "tad"bigger. no fade so far and i've driven the thing pretty hard, but i haven't tracked it yet and that will be the ultimate test for the brakes.

    Jun 29, 2005 2:22:50 PM

    964C2
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    Reply to: Mike S

    Re: Autocars 0-100-0 challenge

    Don't forget the variability in time of moving the foot from the throttle to the brake pedal.....

    Jun 29, 2005 3:17:24 PM

    Grant
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    Reply to: Carlos from SpainM

    Re: Autocars 0-100-0 challenge

    Quote:
    Carlos from Spain said:
    The Noble is also half the weight of the Porsche so it needs much less brakes, because the problem with larger brakes is that it increases unsprung weight, so excessive brakes can also be unecesarily detrimental to the handling if it doesn't bring a significant braking advantage.


    Very true. However, the formula for calculating the amount of heat energy that a braking system needs to dissipate is

    Mass x Velocity^2

    So if a car weighs half as much and velocity stays the same, then you only need to dissipate half the heat. But with a car that is half as heavy, you can usually generate much more speed before the braking zone,so this really increases the amount of heat (twice the speed = 4x the heat).

    In general, lighter cars need smaller brakes (and benefit from the reduced unsprung and rotating mass), but don't discount the extra velocity

    Jun 29, 2005 3:23:13 PM

    Martin Tyler
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    Martin Tyler
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    Reply to: 964C2

    Re: Autocars 0-100-0 challenge

    Quote:
    964C2 said:
    Don't forget the variability in time of moving the foot from the throttle to the brake pedal.....



    They use their left foot to brake. But there is still a difference reaction times.. ranges from 0.08 to 0.51 - most of the top cars are in the 0.2-0.4 range

    Jun 29, 2005 3:27:07 PM

    Carlos from SpainM
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    Reply to: Grant

    Re: Autocars 0-100-0 challenge

    Good reminder Grant, the speeds at which the brakes are going to be working depending on the car's perfromance is another factor to take into account as well also, so true.

    Jun 29, 2005 5:16:18 PM

    svtrader1
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    Reply to: Carlos from SpainM

    Re: Autocars 0-100-0 challenge

    Quote:
    Carlos from Spain said:
    The CGT has PCCB's as standard equipment.



    Yes, it does. And a PCCB equipped 911 has outperformed it in braking distance.

    Jun 29, 2005 5:36:42 PM

    temm
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    Reply to: Carlos from SpainM

    Re: Autocars 0-100-0 challenge

    Quote:
    Carlos from Spain said:
    And a stock Gixxer beats them all!




    And a four year old F1 car beats the gixxer by four seconds...

    Have you seen the Honda F1, Superbike and Powerboat Challenge video Carlos?

    Jun 29, 2005 5:40:44 PM

    Carlos from SpainM
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    Reply to: svtrader1

    Re: Autocars 0-100-0 challenge

    Quote:
    svtrader1 said:
    Quote:
    Carlos from Spain said:
    The CGT has PCCB's as standard equipment.



    Yes, it does. And a PCCB equipped 911 has outperformed it in braking distance.



    Thats my point, the fact that the 997S was fitted with PCCB's that have less unsprung weight than the steel stock ones as you mentioned, does not explain why it beat the CGT in braking, since the CGT has the PCCB's as well.

    Jun 29, 2005 5:44:49 PM

    svtrader1
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    Reply to: Carlos from SpainM

    Re: Autocars 0-100-0 challenge

    Quote:
    Carlos from Spain said:
    Quote:
    svtrader1 said:
    Quote:
    Carlos from Spain said:
    The CGT has PCCB's as standard equipment.



    Yes, it does. And a PCCB equipped 911 has outperformed it in braking distance.



    Thats my point, the fact that the 997S was fitted with PCCB's that have less unsprung weight than the steel stock ones as you mentioned, does not explain why it beat the CGT in braking, since the CGT has the PCCB's as well.



    The 911 has a rear engine, therefore, it has a greater rear weight bias and, thus, it will exhibit less nose dive under hard braking.

    Jun 29, 2005 5:46:28 PM

    Carlos from SpainM
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    Reply to: temm

    Re: Autocars 0-100-0 challenge

    Quote:
    temm said:
    Quote:
    Carlos from Spain said:
    And a stock Gixxer beats them all!




    And a four year old F1 car beats the gixxer by four seconds...

    Have you seen the Honda F1, Superbike and Powerboat Challenge video Carlos?



    An F1 is a bit out of budget or street-legality here

    I did see the video, unfortunately they chose a V-twin sportbike for the test for some reason instead of a much faster inline-4 still once the F1 is at speed, it will reel in any bike, even a "turboed Busa with a lengthened swing arm" at some point, then again a Formula One car isn't precisely street legal

    Jun 29, 2005 5:53:27 PM

    Carlos from SpainM
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    Reply to: svtrader1

    Re: Autocars 0-100-0 challenge

    Quote:
    svtrader1 said:
    The 911 has a rear engine, therefore, it has a greater rear weight bias and, thus, it will exhibit less nose dive under hard braking.



    Yep, thats one of the reasons of the legendary 911 braking
    However, the tires are also a great factor in braking distance and the 997S with PCCB's not only beat the CGT with very similar rear weight bias (40-60, though mid-engined) but much wider and specially designed PS2 tires, but also beat the GT3RS with R-compund tires... so still very surprising times for the 997S, at least to me.

    Jun 29, 2005 6:22:19 PM

    Grant
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    Reply to: Carlos from SpainM

    Re: Autocars 0-100-0 challenge

    Quote:
    Carlos from Spain said: However, the tires are also a great factor in braking distance and the 997S with PCCB's not only beat the CGT with very similar rear weight bias (40-60, though mid-engined) but much wider and specially designed PS2 tires, but also beat the GT3RS with R-compund tires... so still very surprising times for the 997S, at least to me.


    I think the GT3RS would've won if its R-tires were up to temperature. R-tires are very slippery until they get hot...
     
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