Laser 28 - Excellent example of this great design Hamble le rice |
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Rossiter Pintail Mortagne sur Gironde, near Bordeaux |
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Laser 140101 Tynemouth |
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2547 ![]() Really should get out more ![]() Joined: 11 Aug 11 Online Status: Offline Posts: 1151 |
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Some interesting changes there and far more aggressive/bold than the RYA ever do ... seems to be working for these winter events. Is there anything that makes these changes not appropriate for general use?
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yellowwelly ![]() Really should get out more ![]() ![]() Joined: 24 May 13 Online Status: Offline Posts: 2003 |
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nice to see the D-One getting a bit of boost there. Not really any reason pro or anti the D-One, just good to see the myth that 'new boats get hacked' is just that, a myth.
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Daniel Holman ![]() Really should get out more ![]() Joined: 17 Nov 08 Online Status: Offline Posts: 997 |
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Good to see some big bold changes being made that avoid the inevitable time lag inherent in the "proper" PY system - take poinjts re this system being adopted in place of PY but given that it should be based solely on winter crowded inland Hcap events, the system may penalise slower more inland suitable boats when racing on more expansive sea courses. I did notice that, despite its only sailjuice outing last year being the Bloody Mary where she was sailed to joint 270th by Julian Pearson, my Punk boat has had another slip down to 1010 from 1012 - wonder how that was arrived at! Rs100 is same length, similar weight, 400mm wider on deck, bigger main and a dirty great spinnaker and is only apparently 20 points quicker. Roll on Graeme's VPP based handicap system* * Although I admit that would be at least as flawed. |
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JimC ![]() Really should get out more ![]() ![]() Joined: 17 May 04 Location: United Kingdom Online Status: Offline Posts: 6662 |
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In my opinion, for whatever that is worth, they're statistically unsound. The RYA numbers are on a much firmer foundation. |
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Rupert ![]() Really should get out more ![]() Joined: 11 Aug 04 Location: Whitefriars sc Online Status: Offline Posts: 8956 |
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Because all boats have different sailing characteristics, some boats will be suited to some places and weather conditions better than others. I would expect these boats to do well en-mass when everything suited them, otherwise, when are they going to do well? For these one-off races it might make sense to try and even things out for the boats unsuited to the sailing area, but for general handicapping it would be as silly as giving someone a great golf handicap because they decided to play using a tennis racket.
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Firefly 2324, Puffin 229, Minisail 3446 Mirror 70686
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One concern with the SJ handicaps is that they only seem to alter boats they have data for (or not, in the case of the Punk). So the Laser gets a 30 point boost, but the rarer single handers don't get any adjustment. That must make it difficult for gone Europes and Supernovas of the world.
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iGRF ![]() Really should get out more ![]() ![]() Joined: 07 Mar 11 Location: Hythe Online Status: Offline Posts: 6499 |
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You need to help me make it happen. Give me an algorithm, I'd happily finance the printing and promotion of leaflets, and whatever other things we'd need to make it happen, website maybe. Although it would be equally flawed, there would not be the doubts of either agenda or buffer competence driven doubt that there is at present. Figures can't be made to lie, whatever 'they' decided to do after the event, there would at least be a firm base to fall back on which is what the current system lacks, they've messed about with it so much now, nobody knows where they are. |
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Daniel Holman ![]() Really should get out more ![]() Joined: 17 Nov 08 Online Status: Offline Posts: 997 |
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In all fairness I disagree - the current PY system is the "least imperfect" means that we have of comparing performance. It would be statistically perfect if every race result was accounted for. The Sailjuice numbers are arbitrary but generated in the spirit of progress as an attempt to second guess / fast track the inevitably glacial changes of the PY system. At the end of the day if you don't like the PY in either scheme, either get a boat that you think is a bandit or don't sail!
I'm not clever enough to write VPPs but I know that how you apply it to each class and what is deemed to be the "archetype" of each class would be a massive can of worms, and the natural condition preferences of some classes would become even more of an issue. |
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Jeepers ![]() Posting king ![]() Joined: 26 May 11 Location: Hamphire Online Status: Offline Posts: 147 |
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"In my opinion, for whatever that is worth, they're statistically unsound. The RYA numbers are on a much firmer foundation,"
...but if clubs started using them instead of RYA PYs they would over time become statistically more sound. From acorns.... |
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jeffers ![]() Really should get out more ![]() ![]() Joined: 29 Mar 04 Location: United Kingdom Online Status: Offline Posts: 3048 |
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They are not valid for every club though that is the point. A small club like Hunts for example would not want to consider these. We find the Laser PY to be about right for the water, giving it a 30 point boost would mean that some relatively average sailors would suddenly jump to the front of the fleet. Fiddling with PYs is a good thing but it needs to be done by the club/series they are going to be used for and be as appropriate as possible and backed up with data.
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Paul
---------------------- D-Zero GBR 74 |
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