sosoomii

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About sosoomii

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  1. sosoomii

    Boats and foils comparison

    Hi Erdb, interesting data as ever. Are the can’t angles the same on both tacks?
  2. sosoomii

    Prada Cup

    Thanks Rennaus. It seems there is no rule that states that a boat starting 6 seconds will be disqualified for a deliberate breach of the rule. The definition of start does require a boat not to be OCS more than 10 seconds prior to the starting signal.
  3. sosoomii

    Prada Cup

    Google translate fails me @strider470. Looking forward to the translation!
  4. sosoomii

    Prada Cup

    Boo hoo. The America’s Cup is a race, not a spectacle. At any rate Level 2 permits sporting events, gatherings of 100 and hospitality to remain open. If the NZ govt considered there to be a serious risk they would have moved to a high level, and then legitimately the racing could be postponed. Here in the UK we have been under far tighter restrictions than that for 11 months now. Yet still six people in my office have died with COVID despite us working from home where possible, needing a negative test result to get on site and having to wear mask and goggles if we get within 2m of someone.
  5. sosoomii

    Prada Cup

    Can you point me to this rule so I can read it for myself please?
  6. sosoomii

    INEOS Team GB

    The short time frame makes it much harder for sure, but ultimately these sound like loser excuses to me. I’m sure they will take it on the chin, learn from their mistakes and come back stronger - but they need either more creativity or better simulation if they are to develop a boat that can challenge seriously.
  7. sosoomii

    Mozzy Jumper

  8. sosoomii

    INEOS Team GB

    Evidently those assumptions were wrong, should not have been made and the justification/rationale for the assumptions should have been challenged at the time. Easier with hindsight obviously, but these guys were being paid to be wise before the event not after.
  9. sosoomii

    Mozzy Jumper

    https://www.bbc.co.uk/iplayer/episode/p07rfwjb/inside-cinema-shorts-16-cosy-cinema
  10. sosoomii

    (Lack of) Event Management

    I guess we can add the “winners only” press conference to the general list of organisational cock ups.
  11. sosoomii

    (Lack of) Event Management

    But these were delays in shifting spectators off the course, not because the wind hadn’t settled. Shirley had to put a FB note out asking them to move... I take it that means you agree with the other points?
  12. sosoomii

    INEOS Team GB

    I would have thought Ben would final word on things like boom vs. no boom, in a decision panel with his chief aero, weight engineer, C&I lead and mainsail trimmer. How much evidence would have been available at that decision panel I wonder? Would it have been based on personal experiences and biases, with who ever shouting loudest winning the day, or would it be based on simulation results? If based upon simulation results, does the simulation assume the cambers and twist that are achievable in both configurations or does it calculate that based upon sheet and line tensions? And do the simulations acknowledge that some of the input data is uncertain and should be assessed for sensitivity? Tough gig definitely, but presumably what it takes to win.
  13. sosoomii

    INEOS Team GB

    It seems unlikely that they have a model that is able to accurately predict performance and changes of performance with tuning but somehow they failed to discover this optimal tuning or manoeuvring technique via simulation.
  14. sosoomii

    INEOS Team GB

    Whenever a high value decision is based upon computer simulation - whether that be AC75 manoeuvre simulation, financial modelling or epidemiology studies - it is essential that the decision maker (Ben in this case) understands the scope, limitations, simplifications and assumptions behind that model so that he can understand the validity of the answers the simulation produces. Ideally there is documentation describing the phenomena included and the maths used to represent that, so that it can be agreed before modelling commences that the model will be fit for purpose. This is even more important in cases like this where it is not possible to validate the model with real world data until it is too late. Either Ineos’ simulations were not valid or the design team did not have the imagination to improve on what they came up with. The Prada mainsail system is neat but for £150m you hope the idea of a boomless setup at least occurred to Ineos.
  15. sosoomii

    (Lack of) Event Management

    Most of the first leg of the race they were both OCS (race 6?) for starters. Their inability to understand Ken’s basic p/s question in the last race.