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Suds after thuds


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[*] posted on 11-14-2017 at 10:56 AM
new speed record


Alexandre Caizergues congrats

NEWS FROM KITESURF WORLD

New World Record Speed-107 km / H (57,97 knots)

The French Kitesurfer, Alexandre Caizergues, defeated yesterday on the salt-de-Giraud Canal and in the salt and speed framework, his own record of the world of speed in 500 metres with a 57,97-metre stratospheric average. 107,36 km / h.

couldn't find any video




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jeffnyc




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[*] posted on 11-14-2017 at 11:33 AM


Can't wait to see new vid. His old record looked insane. I would not want to wipe out there going 1/4 as fast!



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[*] posted on 11-15-2017 at 02:01 AM


While waiting for NEW video for the current records, this is what his runs looked like in 2013....




And another one on Vimeo

https://vimeo.com/79465389

ATB,
Sam




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Suds after thuds


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[*] posted on 11-15-2017 at 11:01 AM


https://www.facebook.com/worldofwindsurf/videos/161958349139...
Here is a clip.
https://www.facebook.com/worldofwindsurf/videos/1619583491397998/




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[*] posted on 11-15-2017 at 02:26 PM


Amazing! Shared this on kiteforum .com.
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jeffnyc




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[*] posted on 11-15-2017 at 03:23 PM


Do you think they dragged him to the start by the back of his harness for each new try? "C'mon guys, faster! The wind's picking up!" ("I say we let him go")

That just looks so sketchy in every way. One little glitch and he eats it in the dirt.

Amazing performance, but I'm setting my sights on mowing the lawn in 5mph with a Chronos...




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B-Roc


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[*] posted on 11-15-2017 at 03:42 PM


Eh, I'd be more impressed if he sent it at the end of the run ;)



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[*] posted on 11-15-2017 at 05:58 PM


Quote: Originally posted by B-Roc  
Eh, I'd be more impressed if he sent it at the end of the run ;)


Maybe he could deliver supplies to the ISS
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[*] posted on 11-15-2017 at 10:01 PM


Curious to know what the wind speed was.



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[*] posted on 11-16-2017 at 03:04 PM


Quote: Originally posted by Cheddarhead  
Curious to know what the wind speed was.


55 Knots with 70 knots gusts

http://www.winds-up.com/spot-port-st-louis-windsurf-kitesurf...
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skimtwashington




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[*] posted on 11-17-2017 at 05:57 AM


So... he went only a little faster than the wind speed itself.. or in gusts, actually less...

Friction!
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[*] posted on 11-20-2017 at 01:35 AM


Quote: Originally posted by skimtwashington  
So... he went only a little faster than the wind speed itself.. or in gusts, actually less...

Friction!


I think there has been talk in the past about this very subject. The physics of diminished returns pertaining to wind speed. Just because you can go triple the wind speed at 15mph, doesnt mean its the same at 60mph wind speed. I really don't understand the physics behind it, just that I experience this same phenomenon when trying to go for speed on ice covered lakes. Water friction plays a hug role for sure!




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[*] posted on 11-20-2017 at 04:09 AM


Cheddar is right. You can only get so much out of so much. And I will add that edge grip plays a huge role in dictating your end results.

We go as fast or faster in less wind because we can squeeze the most out of a given windspeed by virtue of the fact that a solid skier on a solid edge experiences very little to zero downwind drift. It all gets translated to forward motion.

For the guys on water, they need the controlled conditions and the insane amounts of wind to both offset the drag in the water but also to bag the raw speed while splitting the balance between forward motion and drift. Their boards (some barely more than a water ski it looks like) do an amazing job of getting bite. But still at the cost of additional drag I imagine. So they need a ton of wind.

We won't even mention the air temp boost factor that they lack vs. winter riders. Both disciplines have thier advantage and disadvantages.

Not long ago it was a pretty remarkable achievement to go 2X the wind speed. Now with modern race variant wings we can go 3-4x the wind speed in light winds. But as Cheddar stated, diminishing returns come in at higher wind speeds.









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