Moth on Foils: 35.9 knots(41.29 mph)

Discussion in 'Sailboats' started by Doug Lord, Apr 11, 2006.

  1. Doug Lord
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  2. Doug Lord
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  3. Doug Lord
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  4. Doug Lord
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  5. Doug Lord
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    Moth on Foils!----------------Worlds

    Excerpt from Scuttlebutt tonight: (whole story here: http://www.sailingscuttlebutt.com/2...Newsletter&utm_term=Mothballed at Moth Worlds )

    Mothballed at Moth Worlds

    Hampshire, UK (July 22, 2014) – Today was originally scheduled as a lay-day at the International Moth World Championship, and in the end, that’s exactly what happened, via a series of postponements.

    With Qualifying complete, the Finals now split the fleet into Gold and Silver divisions. Racing was originally scheduled to start at 10am, then midday, then 1pm and finally 4pm. The abandonment flag was finally raised at 15:40 as only 5 knots was being registered in the bay from a wide range of directions.

    The frustration amongst the sailors who basked in the Mediterranean conditions was made worse by the fact that a beautiful northerly was blowing out of Chichester harbour which a few sailors decided to use for a blast up and down the channel. Sadly there’s not enough space in the harbour to race 138 Moths.

    Principal Race Officer, Tim Hancock, talked about the difficulties of running racing in these conditions, “It is hard, particularly with the Moth class as it’s not a great boat when you’re sitting around in no wind. Fortunately when they do get going, they go quick.

     
  6. Doug Lord
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  7. SukiSolo
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    SukiSolo Senior Member

    Well Doug, they would have had a decent breeze, yesterday (23rd) as the gradient wind was pretty much southerly. Problem with Hayling is if the gradient is in the North, the sea breeze just fights it and you get caught in the battle ground between the two air streams. The Moths have had excellent sunny and hot weather - high 20s' + C temperatures. Downside is the current high pressure (over UK) has given too much gradient north and north east breeze. So you need a lot of heat for the sea breeze to overcome it, hence late starts. Certainly is 'holey' and some pretty big shifts out there in those conditions. Had almost identical stuff last year, myself in 100+ fleet.

    Sometimes an early start will let you get a race in, using the gradient before the wind battle commences!. The report is correct, often inside the harbour the gradient blows perfectly, but it is a push size wise for 100+ boats especially the area required for fast Moths.
     
  8. Doug Lord
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  9. Doug Lord
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  10. robinHT
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    robinHT New Member

    Hi Guys
    Have a great interest in foils.
    Just a few thoughts.
    As stated earlier in the thread the basic concept for using foils is to lift the hull so as to reduce hull drag to enable faster speeds.

    It was suggested that vertical flaps on the keel could twist the boat to make the boat sail upright and therefore increase available power.

    Since it is possible that a sail at 30 degree angle of heel is effectively depowered by as much as 30%, it means that you are carrying a sail which is over canvassed by 30% if it were vertical.

    So as in all sailing, you change one thing and it effects numerous others. The speed record of 60+ kts was achieved (by Larsen Team) with a sail canted over to provide lift and foils to provide lateral resistance to what was essentially a Sailkite.

    Note the foils are developed to provide lift, so canted sails and foils are complementary.

    I think that we will see development using technology developed by kite sailors on foiling boards.

    Could we have a helium filled sail sail to windward?

    Very best Robin
     
  11. Doug Lord
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  12. Doug Lord
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  13. rcnesneg
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    rcnesneg Senior Member

    Did the front foil survive without damage? :confused:
     
  14. Doug Lord
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    Moth on Foils!

    Yeah, but the sail didn't. You can see better if you go full screen....
     

  15. Doug Lord
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    Moth on Foils! America's Cup Sailors may dominate Worlds...

    From Scuttlebutt and the Moth website:
    read whole article here: http://www.sailingscuttlebutt.com/2...m_term=Moth Worlds becoming mini Americas Cup


    The Mornington Peninsula in the Australian State of Victoria will be the setting for the 2015 Moth World Championship on January 9-16, with field littered with Olympic medals and America’s Cup competitors coming to the iconic Sorrento Sailing and Couta Boat Club to sail on the southern stretches of Melbourne’s Port Phillip.

    Andrew ‘A-Mac’ McDougall, the man most responsible for taking the Moths on foils into the main game with Bladerider and then Mach2, has seen the class evolve while still staying true to its roots.

    “The Moth is the only successful, open development class left because it so small,” McDougall said. “It is relatively cheap to use top-level technologies, as it does not place it in the hands of the world’s billionaires. However, no matter how much tech you have in the boat, you won’t get a win from that alone. It is all about the user-friendliness of that technology and then how you sail it.”

    Rohan Veal won the last Moth World Championship held on Port Phillip, back in 2005, and then followed it up with a win in 2007 on Italy’s Lake Garda. He is impressed at how the talent has risen.

    “The talent pool for this regatta is going to make it super competitive,” note Veal. “It would have to be the most ever for any dinghy class – simply unreal. Just count the world titles these people have won in Moths and other classes. Glenn Ashby has 12 alone, plus two Olympic medals. There are easily 30 titles and 12 medals in the group and then there are America’s Cup stars like James Spithill and Tom Slingsby.”

    For the 74 sailors already entered, they must contend with reigning Moth World Champion and Olympic hero Nathan Outteridge and two-time world title holder Bora Gulari, who beat Nathan to win the title in 2013 but sat out last year’s championship.

    The America’s Cup teams are to be well represented, with likely six from Emirates Team New Zealand, the same number from Oracle Team USA and Outteridge heading up a contingent from Artemis. The great Iain Percy, who at 100kg is a true heavyweight, is also set to be out there.

     
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