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Thread: 2019 supercars discussion. May contain spoilers.

  1. #311
    7753 - 5030 HSE2's Avatar
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    In case anyone missed what Davy had to say.

    Mustang faster in a a straight line, we are better in the slow stuff.

    The response to that is maybe
    How do you know what the teams were doing. The slow speed observation can be tyre quality alone
    History is a statement, the future is a question.

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  3. #312
    Miami Sprint. 4Vman's Avatar
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    Quote Originally Posted by HSE2 View Post
    In case anyone missed what Davy had to say.

    Mustang faster in a a straight line, we are better in the slow stuff.

    The response to that is maybe
    How do you know what the teams were doing. The slow speed observation can be tyre quality alone
    And Davy's a driver...
    My Falcon family heritage: XY V8 Falcon 500, XYGT, XBGT, XC 351 GS, XD 4.1 Spack, EF wagon, AU Wagon, AU2 Wagon, AU2 XR8, BA XR8, BF XR8, FG XR6, Lucky last: Sprint 8. Oh wait, AU3 XLS Marlin Ute!

  4. #313
    Miami Sprint. 4Vman's Avatar
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    DJRTP elected NOT to run green tyres yesterday.

    I'm wondering if that means tyre quality doesn't impact setup strategy/data, it just improves overall grip and corresponding lap times.

    Or they already know the setup philosophy from any given point with greens, so there's nothing to be gained from burning up greens..
    My Falcon family heritage: XY V8 Falcon 500, XYGT, XBGT, XC 351 GS, XD 4.1 Spack, EF wagon, AU Wagon, AU2 Wagon, AU2 XR8, BA XR8, BF XR8, FG XR6, Lucky last: Sprint 8. Oh wait, AU3 XLS Marlin Ute!

  5. #314
    Content Moderator Donut King's Avatar
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    Point is there are no massive outliers that suggest that there's no reason you can't draw comparisons between cars running on the day because the numbers themselves are reasonably consistent with basic historical data.

    No we can't say with certainty that we know anybodies actual program was. No we can't say that the results will exactly match Adelaide or even the next round held at PI, but it doesn't mean that the numbers are not a form guide, there's simply not the variation in the sector times to suggest that there wasn't a fair effort made to put a respectable foot forward.

    If we throw all yesterday's data away as irrelevant due to variation in conditions we may as well throw away everything and start fresh. There has to be a way of extrapolating from the results or the team's simply wouldn't bother

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  7. #315
    Senior Member Futura's Avatar
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    In 2 weeks time most of the above questions will be answered. Bring on Adelaide 500.

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  9. #316
    Validated User WASP's Avatar
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    All teams would be cautious about showing their hand in this testing day. Its anyone's game but what I do take away from this test day is the Mustang is looking likely to be quite competitive out of the box.
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  11. #317
    Content Moderator Donut King's Avatar
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    As close to an admission that Supercars got it wrong in pukekohe as we'll ever see;

    Supercars is set to implement new pitlane rules this season, designed to stop rear-wheel movement while pitstops are taking place.

    Rotation of the wheels while cars are on their jacks has long been outlawed due to the dangers of having spinning spokes near the fingers of working mechanics.

    The rules surrounding the practice were put under the spotlight last year, when Shane van Gisbergen’s rear wheels were seen to move during a pitstop at Pukekohe,*above.

    That incident eventually went unpunished, with officials using their discretion, based on the fact the wheels did not complete a full rotation.

    In a bid to avoid repeat scenarios, Supercars has now mandated that the car’s hydraulic handbrake must be engaged when the car is in its pit bay undertaking a pitstop.

    All cars already have some form of hydraulic handbrake, or brake lock mechanism as they are officially referred to, which were previously only typically used during race starts.

    Supercars’ head of motorsport Adrian Burgess says that the new regulation has been implemented following a thorough analysis.

    “Previously a lot of the teams were relying on the driver rolling their foot off the brake and going for the clutch and throttle as the car hit the ground,” he told Supercars.com.

    “So as the car was coming down off the jacks, there was a period where you had the chance to make a mistake and have the wheels rotate.

    “What we saw when we looked at all the cars was that all of them use a brake lock mechanism in some way or other that can be used in the pitstops.

    “It was a nil-cost, gain-gain that we think will make it safer for everyone and hopefully easier for the drivers to manage as well.”

    The new rules stipulate that the brake lock mechanism must be manually engaged, while the disengagement must be automated.

    Typically, the handbrakes are activated via a button on the steering wheel, pressed when the driver has their foot on the brake pedal.

    The automated disengagement simplifies the take-off procedure for drivers, greatly reducing the chances of an incidental wheel rotation.

    It can be achieved electronically, utilising logic statements and other current data channels, such as suspension position and g-force readings.

    Supercars’ technical staff are able to monitor the activation of the handbrake in-race as part of the category’s existing telemetry system.

    That will allow data to be provided to stewards if required as part of in-race investigations, should any wheel movement be detected.
    Can't issue a clarification as that will admit a mistake, so change the rules instead.

    Automatic disengagement of the handbrake is an interesting one too, anybody see the potential for this to adapt to being used as launch control?

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  13. #318
    Enjoying FOA's Final Masterpiece Perko's Avatar
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    Saw one of the Shell Mustangs today in the flesh. Must say I like it a lot. Much better than the pictures show. Must also say that Scotty and Dick proved today why I will always support them. Both stayed behind longer than commitments had allowed for a signing session to sign people's cars in the car park. This was despite Scotty running late for an afternoon appointment. Dick in particular was brilliant. Kind of felt sorry for Fabs. He stayed and got his stuff done then left because no one asked him to stay back.
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