jb5

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About jb5

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  1. jb5

    Vendee Globe 2020

    They all tested negative PCR tests carried out by the skippers 48 hours before the start of the Vendée Globe have established that the 33 skippers are all negative for Covid-19. The fleet will be complete this Sunday for the start of the 9th Vendée Globe. http://www.courseaularge.com/vendee-globe-tests-negatifs-pour-les-skippers.html There seems to be very limited planning for how they will deal with anyone who returns to port for repairs within 10 days after the start, in terms of quarantine. Some teams have spare masts at Les Sables-d'Olonne for example. Another 5 (?) day quarantine before restart. Maybe its documented somewhere.
  2. jb5

    Vendee Globe 2020

    https://www.scanvoile.com/2020/11/vplp-vendee-gobe-les-architectes-font-le-point.html#.X6LgK3DYqbg Interview with Quentin Lucet and Vincent Lauriot-Prévost (VLVP) New architectural competition The 8 new boats of the 2020 generation are divided between 4 architects: VPLP design (3), Juan Kouyoumdjian (2), Guillaume Verdier (2), Sam Manuard (1). And that changes everything: “ The challenge takes on a different dimension,” Vincent Lauriot-Prévost. "Before you had to do the best we could this year you must be better than others. The choices we made can be questioned, it's exciting, but less comfortable! ” Harder choices “ We did not know what the other teams were doing when we started working on Charal and HUGO BOSS", Vincent Lauriot-Prévost, "so we had to take risks. Otherwise the pitfall was to make an average boat, and that we could not afford". "Hence a radical change in approach was made in terms of design:" "We took responsibility for our choices," Quentin Lucet. "The 2008 and 2012 generations embodied the quest for power and lightness, the 2016 foilers were meant to be a compromise, with foil boats capable of returning to dagger boards if the foils did not work. For 2020, we developed hulls that only work with their foils. In other words, the quest for less drag has replaced the quest for horsepower. We weren't shy and it was good, it was the specification from the teams of Jérémie Beyou and Alex Thomson. ” A new relationship with the teams With three projects in the portfolio - Charal, HUGO BOSS and DMG Mori, sistership of Charal - VPLP design has been able to concentrate its efforts duringthis Vendée Globe cycle. "With half the number of boats at the start this year (compared to VLVP designs late VG), we were able to set up much more focused support,” confirms Quentin Lucet. "The level of exchange is better, as is the climate of trust, we sail more often with them… A few days before the ferry to Les Sables, we were still on board Charal. It allows a continuity which is very rich. Adrien Letourneur," the VPLP design engineer in charge of performance on Jérémie Beyou's project “was almost full-time at Charal, underlines Vincent Lauriot-Prévost. "This happened very rarely before.” An ever higher technical level and performance This new level of exchange with the teams is all the more necessary as the boats demand it. “ The teams are more demanding and their design offices are growing,” says Quentin Lucet. "Between 2005 and 2016, the time devoted to architectural design and structure has multiplied by 5. And for this Vendée Globe 2020, it has increased by another 50%! As for studies, they doubled in duration: 6 months against 3 during the previous cycle. Conclusion: the jump in performance promises to be greater than the usual progress between each Vendée Globe cycle." Quentin Lucet thus figures the performance gains of new foilers between 70 and 100 ° of true wind" between 20 and 30% compared to their predecessors ". New, very powerful tools Each Vendée Globe cycle sees the development of new tools: “ It has evolved for 12 years" Vincent Lauriot-Prévost, "the novelty for VPLP design is that we are now developing them (tools) internally, with Gurit (specializes in advanced composites) in support for structural analysis. In the same room, we have all the specialists, which allows us a much greater responsiveness and agility. Now equipped with its own simulator, "SYD," and also with very precise VPP and enhanced calculation capacities, the agency can go into great detail. We are now able to study the functioning of a foil much more precisely, because we know how to calculate its deformation, its twist, and the modifications of the profile that go with it.," Quentin Lucet. "The same goes for the optimizations of existing (older) boats: “ Thanks to the simulator, we have a much clearer notion of how the improvements we propose work. Performance gains and dynamic behavior are much better quantified than before . ” MACSF (formerly Safran / Queguiner) and SeaExplorer Yacht Club de Monaco (formerly Edmond de Rothschild), which have been the subject of significant optimizations - in particular new foils - have directly benefited. The role of the skippers remains predominant The continuous progress of the machines does not prevent the role played by the skipper from remaining an essential parameter in the performance, on this Vendée Globe perhaps even more than before: “ The race will highlight the ability of the sailors to exploit their boats," predicts Vincent Lauriot-Prévost. "There are a lot of parameters to be mastered in order to reach the right compromise in terms of settings and performance, we reach such complexity that the bonus of time spent sailing before the race will be even greater than before. I think they will get closer to 100%" (of polars), Vincent Lauriot-Prévost, "because the (auto)pilots are much better than before." Quentin Lucet is betting on 2 to 4 days better than the time achieved by Armel Le Cléac'h in 2016-2017 (74 days 3 hours 35 minutes and 46 seconds). “ VPPs give a run time of 65 to 70 days at 100% of polars. But we are always more surprised by the performance of the skippers in the real world than by our simulations! ” Source: VPLP
  3. jb5

    Vendee Globe 2020

    Another couple in the series. English subtitles mostly.
  4. jb5

    Vendee Globe 2020

    http://www.courseaularge.com/vendee-globe-sauts-technologiques-impressionnants.html If we compare with the previous Vendée Globe, the changes are concentrated in three main areas: instrumentation, which hardly existed four years ago, and which, thanks to numerous sensors, gives you time real loads which weigh, for example, on the foils , the rudders and all the cables; automatic pilots, which allow the boat to be steered according to several parameters desired by the skipper, via what is called a system of overlays, specially designed by the team; communication, with new more reliable antennas and above all allowing better throughput. You don't have to be an engineer to get an IMOCA moving quickly, but it's a plus to have technical background or you need experience. By dint of sailing, you are able to detect when it exceeds the limits of the boat and therefore when it needs to ease off, even before the alarms sound. It is obvious that in terms of IT and electronics, our profession has changed compared to the first Vendée Globe. You also spend less time composing the boat or repairing fittings, because the equipment is more reliable and the crew's readiness is higher. " I'm from the GPS generation and Grib files, but when I prepared for my first Vendée Globe in 2008 with Pierre Lasnier, he wanted to teach me how to do the tour of the world without a grib file in case I had been deprived of it. So to predict the weather forecast based on the barometer, the water temperature, the shape of the clouds… And in the end, I had to use all of that for the (last) Vendée Globe. At first, I wondered how I was going to do it and gradually it almost became a game. " Today, everyone is talking about the shapes of the foils, the performance of the boats, but two weeks before the start of the Vendée Globe, you begin to realize that it's still a crazy adventure, that you will find yourself at the top of the cliff and that you will have to jump. And there it is only the mind but also physics, because the new boats, built around foils, and therefore able to fly in many conditions, have become much more demanding than their predecessors were, requiring a very high level of sport preparation ...
  5. jb5

    Vendee Globe 2020

    Conrad is out of it. Lack of funding. https://voilesetvoiliers.ouest-france.fr/course-au-large/vendee-globe/vendee-globe-un-candidat-renonce-a-prendre-le-depart-faute-de-financements-fac699fc-ccc1-11ea-b211-0ef9e0483b40
  6. jb5

    Vendee Globe 2020

    https://www.scanvoile.com/2020/07/sebastien-simon-lance-la-construction.html#.Xxmu6DfYqbg Arkea Paprec are building two new foils to be delivered about 1 month before the VG. All design parameters have been beefed up and the design is being lead by Pure (NZ) with input from boat designer Juan K. The new foils will be C shaped again. They are planning to sail with the existing setup until the new foils are ready. The port side foil is reversible and both foils will be re-enforced. The foil that will be used on the port until the new foils are available is still being finalized in build. He will use this config for the 2000nm VG quali. The cause(s) of the failure(s) are still being investigated.
  7. They are a bunch of Muppets
  8. Sounds more and more like an B or even C list race. Who knows? More like who will care.
  9. jb5

    Ultime / G-Class Development

    Drheam Cup this weekend. May be some tracking on the link below. There English version of the site does not seem to be the working well. Ultimes are all going except Macif. Lots of C40 and Figaro 3 as well. Should be a lot of fun to follow. https://drheam-cup.com/ https://www.instagram.com/p/CCvBlkqA8mj/?igshid=1a8bp72hdmara
  10. There was something in the announcement about adding another class potentially beyond the VO65 and IMOCA. No details and probably, like the rest of the race, more meaningless noise. Beyond me how they could be so stupid as to try to run against one of the biggest ocean races, the RDR.
  11. jb5

    Ultime / G-Class Development

    Coville just back from 4 days in 'false' (has crew but not helping) solo mode on Sodebo
  12. I'm a supporter of the IMOCA class and pretty much everything they do and everyone involved. It's impressive. That's it really.