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 Post subject: Re: Riding "Christian"
PostPosted: Tue Oct 29, 2013 4:12 pm 
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Here you can see it better. Liquid ice is like a smooth carpet on a flat beach:
Image
on the right side: Ole Kjaer


Last edited by tilmann on Tue Oct 29, 2013 4:27 pm, edited 1 time in total.

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 Post subject: Re: Riding "Christian"
PostPosted: Tue Oct 29, 2013 4:22 pm 
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and the utmost joke is: You already have liquid ice in Lüderitz. Some hundred meters from the canal in the right corner of the Lüderitz bay. So for kiters the canal is really completely superfluous :lol:


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 Post subject: Re: Riding "Christian"
PostPosted: Tue Oct 29, 2013 4:34 pm 
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so you're saying that the depth of water is the reason you won't go there?

You prefer to ride in less water.

tbh, I have never hurt myself going fast in very shallow water, when you fall you just skim along the surface.


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 Post subject: Re: Riding "Christian"
PostPosted: Tue Oct 29, 2013 5:55 pm 
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Tone wrote:
tilmann wrote:
Tone wrote:
Tilman!

Why are you not in Namibia! you have such a talent for going ball out fast! that
isn't even that flat and you're doing 56knots?!!

.


the canal is bullshit


Why is the canal bullshit, I know you commented on my Youtube comment but I am
keen to understand your thoughts on the canal. I know it is very dangerous, even more
so this year due to the bank they have built downwind.

Is it the depth of water that bothers you? I know you talk of liquid ice.

What's your beef with the canal?

Thanks

tony


That is an EASY one :
It's a canal, if Ya fall down in a canal, where will you end up ?
on LAND !!!!

Look at the threads on how/why so many people with experience are
dieing now-days, (partly because they are kiting in High winds, "near LAND" ).

Even if i Had the Balls and talent to go 50kt down a Narrow canal , i Wouldn't
do That ; got No problem with jumping of a mountain that's over a 1/2 mile high
with a PG though !!

Bille


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 Post subject: Re: Riding "Christian"
PostPosted: Tue Oct 29, 2013 8:23 pm 
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I believe tilmann hates the 10cm rule that's why he thinks the canal is bullshit. You need a minimum depth rule otherwise you could put on some hockey skates and get a water record because the ice melts just under the blade.There is also a ground effect, in about 1cm of water the water loses resistance. 10cm seems entirely fair. It sucks tho if the 10cm means one of your favorite speed spots is illegal for a speed run. You can still set an unofficial record.


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 Post subject: Re: Riding "Christian"
PostPosted: Tue Oct 29, 2013 10:38 pm 
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minimum depth in WSSRC events is 18 cm

Ground effect does not exist in kiting because you don´t ride your board flat.
You need a minimum depth of 5 cm to create enough grip in the water.
Sliding across wet sand does not work. So it´s selflimiting and you don´t need any rule


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 Post subject: Re: Riding "Christian"
PostPosted: Wed Oct 30, 2013 7:12 am 
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Sailrocket shows us that grip is the most important thing to go fast: They have a foil that pulls them into the
water. Ground effect does the opposite: it pushes you out of the water. So if ground effect exists, it would be bad for kiters !


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 Post subject: Re: Riding "Christian"
PostPosted: Wed Oct 30, 2013 1:35 pm 
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tilmann wrote:
minimum depth in WSSRC events is 18 cm

Ground effect does not exist in kiting because you don´t ride your board flat.
You need a minimum depth of 5 cm to create enough grip in the water.
Sliding across wet sand does not work. So it´s selflimiting and you don´t need any rule


all I know is I looked it up on the WSSRC website and it said 10cm not 18cm.

"For every record attempt on a WSSRC approved course, there must be a minimum depth of water, which is defined as follows.
At the time of the run in question, the shallowest part of the course must be covered by water with a depth of at least half the static immersed beam of the craft involved, or 10cm, whichever is the greater. (Guidance note To define the depth requirement, the craft or board involved should be afloat and the widest part of the hull or hulls touching the water should be measured. In the case of a multihull, the widest hull is measured or hydrofoil if fitted). In the case of an event involving a number of competing craft, the WSSRC Commissioner can announce at the commencement of the event what the minimum depth requirement will be."


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 Post subject: Re: Riding "Christian"
PostPosted: Wed Oct 30, 2013 6:29 pm 
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edt wrote:
tilmann wrote:
minimum depth in WSSRC events is 18 cm



"For every record attempt on a WSSRC approved course, there must be a minimum depth of water, which is defined as follows.
At the time of the run in question, the shallowest part of the course must be covered by water with a depth of at least half the static immersed beam of the craft involved, or 10cm, whichever is the greater.


"Half the beam" means: If a speedboard is 30 cm wide the depth has to be 15 cm. A normal speedboard is not wider than 30 cm. But to be absolutely sure the canal has to be 18 cm deep for speedkiters .
But if the board is only 16 cm wide (for example) this rule is not valid anymore. Water depth must be at least 10 cm.


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