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World speed Record: 50 Knots 500 meters barrier broken
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dvCali



Joined: 23 Aug 2007
Posts: 454

PostPosted: Tue Nov 13, 2012 11:24 pm    Post subject: World speed Record: 50 Knots 500 meters barrier broken Reply with quote

Anders Bringdal and Antoine Albeau exceeded 50 knots with respectively 50.46 and 50.59 knots on 500 m. Still a long way to recapture the absolute speed record but a big gain from the previous windsurfing record (49 and change).

Antoine makes it look easy, and the perfect lay down at 50 knots gives the size of the skill level of these sailors! http://www.youtube.com/watch?v=1hF9flM1zfs
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dvCali



Joined: 23 Aug 2007
Posts: 454

PostPosted: Mon Nov 19, 2012 8:10 am    Post subject: Re: World speed Record: 50 Knots 500 meters barrier broken Reply with quote

dvCali wrote:
Anders Bringdal and Antoine Albeau exceeded 50 knots with respectively 50.46 and 50.59 knots on 500 m. Still a long way to recapture the absolute speed record but a big gain from the previous windsurfing record (49 and change).

Antoine makes it look easy, and the perfect lay down at 50 knots gives the size of the skill level of these sailors! http://www.youtube.com/watch?v=1hF9flM1zfs


And now it has been pushed up to 51.69!
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andrewc



Joined: 30 Jun 1997
Posts: 243

PostPosted: Mon Nov 19, 2012 10:19 am    Post subject: Reply with quote

The "SailRocket 2" has just done 59 knots ( still be be officially verified), and >60 knots at times. That raises the bar pretty high now...
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jse



Joined: 17 Apr 1995
Posts: 1298
Location: Marin

PostPosted: Mon Nov 19, 2012 11:35 am    Post subject: Reply with quote

andrewc wrote:
The "SailRocket 2" has just done 59 knots ( still be be officially verified), and >60 knots at times. That raises the bar pretty high now...


One way to resolve this would be to make them go both directions, then take the average. SailRocket would not be able to compete. Which reminds me of a situation at a party I attended in college, at a friend's house out in the country. He had a horse, and my roommate said "I want to race a horse". They said there was only one horse, so how could he race it? No, I want to race the horse. He bet a certain amount of money he could outrun the horse in a 50 yd. race. After the bets were placed, he laid out the course, 25 out and 25 back. The horse lost at the turn.

Steve
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dvCali



Joined: 23 Aug 2007
Posts: 454

PostPosted: Wed Nov 21, 2012 6:16 pm    Post subject: Reply with quote

andrewc wrote:
The "SailRocket 2" has just done 59 knots ( still be be officially verified), and >60 knots at times. That raises the bar pretty high now...

Probably untouchable, but I still think that the most impressive record to date is actually the 50.17 knots over a nautical mile (in open ocean!) by Hydroptere. Something that can probably be only touched by a sailboat ...
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cgoudie1



Joined: 10 Apr 2006
Posts: 1278
Location: Killer Sturgeon Cove

PostPosted: Wed Nov 21, 2012 7:08 pm    Post subject: Reply with quote

I hate to mention this, but the custom windsurfing speed boards only have
one set of foot straps, and are designed to go (fast) only one direction.

-Craig

jse wrote:
andrewc wrote:
The "SailRocket 2" has just done 59 knots ( still be be officially verified), and >60 knots at times. That raises the bar pretty high now...


One way to resolve this would be to make them go both directions, then take the average. SailRocket would not be able to compete. Which reminds me of a situation at a party I attended in college, at a friend's house out in the country. He had a horse, and my roommate said "I want to race a horse". They said there was only one horse, so how could he race it? No, I want to race the horse. He bet a certain amount of money he could outrun the horse in a 50 yd. race. After the bets were placed, he laid out the course, 25 out and 25 back. The horse lost at the turn.

Steve
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dvCali



Joined: 23 Aug 2007
Posts: 454

PostPosted: Sat Dec 01, 2012 12:34 pm    Post subject: Reply with quote

cgoudie1 wrote:
I hate to mention this, but the custom windsurfing speed boards only have
one set of foot straps, and are designed to go (fast) only one direction.

-Craig

Oh well ... Vestas made a 65.45 run with 68.01 top speed ... in 27-30 knots of wind!!!!! It is untouchable by kites or windsurfers!

http://www.youtube.com/watch?v=pipGWQmerEQ&feature=youtu.be


Last edited by dvCali on Sun Dec 02, 2012 10:50 am; edited 1 time in total
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nw30



Joined: 21 Dec 2008
Posts: 1799
Location: The eye of the universe, Cen. Cal. coast

PostPosted: Sun Dec 02, 2012 12:18 am    Post subject: Reply with quote

dvCali wrote:
cgoudie1 wrote:
I hate to mention this, but the custom windsurfing speed boards only have
one set of foot straps, and are designed to go (fast) only one direction.

-Craig

Oh well ... Vestas made a 65.45 meters run with 68.01 top speed ... in 27-30 knots of wind!!!!! It is untouchable by kites or windsurfers!

http://www.youtube.com/watch?v=pipGWQmerEQ&feature=youtu.be


I dig that stuff. It looks quite a bit safer than the rear helm position that they started out with, that was freaking dangerous.
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beallmd



Joined: 10 May 1998
Posts: 1074

PostPosted: Sun Dec 02, 2012 11:19 am    Post subject: Reply with quote

For those of us stuck on the American number system; 68 knots=78 MPH, 65 knots=75MPH. 30 knots of wind=35MPH. As we know, one can easily reach 35 or 40 MPH speed in the right conditions in 20 MPH wind.
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windward1



Joined: 18 Jun 2000
Posts: 715

PostPosted: Sun Dec 02, 2012 4:10 pm    Post subject: Cavitation on Fins Reply with quote

Interesting that the Vestas SailRocket was held to 52 knots without them being able to do anything to make her go faster, until they analyzed it to be the foil that counteracts the sail pull was cavitating on one of its sides. The windsurfers are at 52 knots. Their fins are different than SailRockets foil as the board provides a 'ceiling' above the fin, but I wonder if any of the lessons learned on SailRocket can be applied to the For-Speed Windsrfers.
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