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About ~Stingray~~

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  1. Oh, missed or forgot that. With the top-speeds conversation above, this newly-posted video (by Presti) just seemed to fit, on a slow news day. There was one video by MIH where (despite the apparent GTF limitation) they were absolutely screaming. And I think Nathan O hinted at AR having topped 50 knts in practice too. If they sort out the power nicely (replace 1or 2 guys and their weight, with a battery pack?) the new AC50’s could be seriously, seriously fast in a late October SF Bay blow.
  2. Would love to know what the top AC50 speeds were during practices, decent example here
  3. ~Stingray~~

    Team NYYC

    at http://www.sail-world.com/news/200959/Bella-Mente-Quantum-Racing-keynote Core members of the Bella Mente Quantum Racing Association will deliver a special keynote presentation on Saturday, February 3, 2018, at the Sailing Leadership Forum in St. Pete Beach, Florida, at the TradeWinds Island Resorts.
  4. ~Stingray~~

    Team UK

    Will they stick twin canting keels into it? https://movetenms.com/2018/01/09/mystery-new-powerboat-spotted-at-ben-ainslie-racing/
  5. ~Stingray~~

    Luna Rossa Challenge. AC 36

    A few LR and QR names, in Italian http://m.ilsecoloxix.it/p/magazine/2018/01/09/ASoUCdSM-imbarca_santiago_azzurra.shtml
  6. Interesting, from https://www.seahorsemagazine.com/24-content/august-2013/134-leading-edge As expected, the choice of keel pin axis incline angle has a powerful impact on yacht performance, ...
  7. Also from there, “From the prior AC boats the loads on the foils nearly doubled during maneuvers. I don't expect there is a way to create an articulating joint that can withstand that amount of force without some sort of locking mechanism for when the foils are in lifting mode. A difficult component of a lock is that the boat-lifting foil orientation is in the center of the foils' range of motion and the foil must articulate in both directions beyond this point. And the whole foil mechanism must be contained in a waterproof compartment!”
  8. Perhaps she could suggest cedar http://rosalindrobynl.wixsite.com/rlesh/building-t50
  9. ~Stingray~~

    Luna Rossa Challenge. AC 36

    ^ The more Italians the better! ps: Just now confirmed flights and an apartment on Campo de' Fiori for the first half of April. Hope to catch up with you again, X.
  10. June 9 saw speeds top 47 knots too:
  11. From there, The fastest race speed recorded was on Emirates Team New Zealandwhich was 47.57 knots (88 km/h, 55 mph) in 21.8 knots of wind (2.2 times the wind speed) on September 24, 2013.[8] (me:) The top AC50 recorded speeds were 47.22 (Artemis) and 47.20 (SoftBank) on June 6, 2017:
  12. Fun article: https://www.sailingworld.com/on-fast-track-to-cup On a Fast Track to the Cup Young American engineer Robyn Lesh earns a seat at Bella Mente Quantum Racing’s design table for the 36th America’s Cup. By Ellinor Walters 1 hour ago ... ”Simply to lift the boat with the lever arm of the length of the foil the joint will need to withstand nearly 100,000N-m of moment with almost no room for an internal lever arm.”
  13. America's Cup: 166 Years in Photos From wooden schooners to carbon-fiber cats, the history of the America's Cup has been filled with excitement, controversy and tradition for over 160 years. By Ben ************ January 31, 2017 https://www.sailingworld.com/americas-cup-166-years-in-photos
  14. The English pdf you posted last time was nice http://forums.sailinganarchy.com/applications/core/interface/file/attachment.php?id=253077
  15. I love that quote! Saw it in German, nice to see it re-confirmed and with a link.