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    Re: Tempo limits at the Ring have been lifted

    Koenigsegg analysis, ABS failure:

    http://koenigsegg.com/koenigsegg-analysis-of-nurburgring-accident/


    Re: Tempo limits at the Ring have been lifted

    JanneS:

    Koenigsegg analysis, ABS failure:

    http://koenigsegg.com/koenigsegg-analysis-of-nurburgring-accident/

    Smiley

    Interesting analysis and once again kudos to them for being so open.


    --

    2015 981 Cayman GT4 | Powerkit White - The fastest car on Rennteam
    2013 Audi S3 | Glacier White


    Re: Tempo limits at the Ring have been lifted

    RC:
    bluelines:

    Anyway, you have the right to your view and I let you have the last word  

    No, seriously, this is not about being right or not. The car was indeed borrowed from a customer and that guy isn't pleased. Smiley

    Maybe he should not have lended it to Koeniggsegg then Smiley Driving any car on the Ring involves risk. 

    I was however not arguing whether this is a customer car or not, but the fact that Koenigsegg shares so much details about the incident.


    --

    2015 981 Cayman GT4 | Powerkit White - The fastest car on Rennteam
    2013 Audi S3 | Glacier White


    Re: Tempo limits at the Ring have been lifted

    bluelines:
    RC:
    bluelines:

    Anyway, you have the right to your view and I let you have the last word  

    No, seriously, this is not about being right or not. The car was indeed borrowed from a customer and that guy isn't pleased. Smiley

    Maybe he should not have lended it to Koeniggsegg then Smiley Driving any car on the Ring involves risk. 

    I was however not arguing whether this is a customer car or not, but the fact that Koenigsegg shares so much details about the incident.

    They are a small manufacturer and this is a production series customer car, no prototype, so...sharing is mandatory in my opinion.


    --

    RC (Germany) - Rennteam Editor Porsche 991 Carrera 4 GTS Cabriolet, Porsche Macan Turbo, Audi R8 V10 Plus (2017), Mini JCW (2015), Jeep Grand Cherokee SRT (2014)


    Re: Tempo limits at the Ring have been lifted

    http://www.bridgetogantry.com/koenigsegg-dont-play-by-the-rules/


    --

    2015 981 Cayman GT4 | Powerkit White - The fastest car on Rennteam
    2013 Audi S3 | Glacier White


    Re: Tempo limits at the Ring have been lifted

    bluelines:

    http://www.bridgetogantry.com/koenigsegg-dont-play-by-the-rules/

    For those who might otherwise miss it, you have to drill down to a second level of that link to get to the following explanation from Koenigsegg:

    "The accident has been traced to a fault with the front left ABS wheel sensor signal.

    Data analysis shows that the dashboard ABS warning light was triggered as soon as the ABS wheel sensor malfunction occurred. The small yellow ABS warning light is located centrally in the dashboard but may be difficult for the driver to see when he is wearing a helmet and concentrating on high-speed driving around the circuit. The driver may not necessarily notice any difference in the braking feel as long as he is not near the ABS braking zone, i.e. braking hard enough that it would have triggered the ABS system.

    Whilst the ABS warning was activated well in advance of lock-up, data analysis shows that the driver’s brake application at Fuchsröhre was the first brake application in the ABS zone. Hence, it was the first opportunity for the driver to notice the ABS fault through the brake pedal.

    Our ABS system, like most, includes a back-up feature where the rear wheels are allowed to continue rotating in the event of an ABS fault that results in the front wheels locking up. Letting the rear wheels rotate instead of locking up together with the front wheels prevents the car from rotating. Instead, the car will continue in a straight line. The system worked to specification, as can be seen by the straight skid marks left by the front tires on the track prior to the car colliding with the fence.

    Our engineers spent several hours on Wednesday, July 20th, replicating the fault using a similar car at our factory test track. The left front wheel ABS sensor was disconnected and ABS-level braking force was applied. We found results that were entirely consistent with those experienced by the One:1 at the Nürburgring.

    If an ABS fault is triggered in the normal course of driving, the customer would normally take heed of the warning light, stop the car and have the fault attended to. As long as heavy ABS braking is not needed the car will stay fully drivable and most people would drive it to the nearest service facility to have them examine the system. It was our severe misfortune that this fault occurred just prior to the first instance of ABS-braking into a corner during high-speed testing on the world’s most demanding test track." 


    --

    fritz


    Re: Tempo limits at the Ring have been lifted

    That's pretty forthcoming.


    Re: Tempo limits at the Ring have been lifted

    Christian's style. 

    He is pretty open about what he does.


    --

     

     


    Re: Tempo limits at the Ring have been lifted

    I am going to Ängelholm this weekend. I will keep you updated indecision


    --

    2015 981 Cayman GT4 | Powerkit White - The fastest car on Rennteam
    2013 Audi S3 | Glacier White


    Re: Tempo limits at the Ring have been lifted

    Whoopsy:

    Christian's style. 

    He is pretty open about what he does.

    Thank you. Smiley Smiley (yes, I know which Christian you mean...just wanted to steal some credit... Smiley).


    --

    RC (Germany) - Rennteam Editor Porsche 991 Carrera 4 GTS Cabriolet, Porsche Macan Turbo, Audi R8 V10 Plus (2017), Mini JCW (2015), Jeep Grand Cherokee SRT (2014)


     
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