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Kiteboarding in zero wind. It's possible after all!

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Re: Kiteboarding in zero wind. It's possible after all!

Postby Peter_Frank » Sat Jun 17, 2017 10:21 pm

I havent seen this thread before it was linked to from the hydrofoil section now :D

or6 you are wrong, if you and your kite drift in the water in zero wind, but current, you will still have the same wind at the kite and be able to relanch, as if it was no current and the wind blowing at the same speed.
The wind gradient matters yes, but they would be somewhat the same "size" so no problem there either.

Sorry to say, but you somewhat got it wrong - you are talking about zero wind and running, but when you got current in no wind, it is exactly the same as having wind blowing and no current, that is 100 % for sure :naughty:

If you are riding in current and can not jump like you are used to, it is because you have chosen the wrong kite size - as if current is upwind you should choose a smaller size, and reverse, downwind current means you need a bigger kite.
Simply because it is only the wind versus the current speed difference that matters, nothing but that, regarding kite size and power.
Choosing your kite on this, will make your jumps exactly the same no matter which direction the current is.

Of course you will have more or less ease keeping ground relative to the shore, but that is not the topic here...

Think about it once more, or twice, it is very simple when one think in relative terms :thumb:

I know many can not grasp this, as it was the same issue most had with the "max jump" height, but no doubt it is how it works and not just theory.

Alex and edt and others are spot on or6.

8) Peter

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Re: Kiteboarding in zero wind. It's possible after all!

Postby Regis-de-giens » Sun Jun 18, 2017 6:53 am

exactly, only the difference between the wind speed and current speed matters and will define the kite size .
Then if you ride with your "usual" upwind angles, you will not get back to shore but far more downstream... so either you are able to "downwind" faster than the wind (in VMG so this requires already good skills in a hydrofoil), or you will have to call a friends to pick you up downstream to get you back to your start point ...
By the way riding downstream faster than the wind (in VMG of course) in hard to catch theoretically speaking...

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Re: Kiteboarding in zero wind. It's possible after all!

Postby ronnie » Sun Jun 18, 2017 12:44 pm

ronnie wrote:
Fri Oct 14, 2016 10:09 am
This is supposedly in 3 to 4 knots of wind, and they are giving him some speed to start with, but the efficiency of the foil allows him to get foiling. A light wind foil, sail designed for pumping, and board designed for getting a foil going might mean that it would be possible to get a windfoil flying in 0 knots.

Could pumping a kite be possible? Is there a kite design that works well for pumping?
Following on from the pumping theme, this is a video of manpowered foiling. It can then maybe become manpowered using a sail or a kite to get the board moving fast enough and the foil being pumped enough to kitefoil in zero wind - but it may require a specialist kite for pumping.

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Re: Kiteboarding in zero wind. It's possible after all!

Postby or6 » Sun Jun 18, 2017 12:52 pm

Convince me, put it on video. You have had plenty of no wind days, i am sure 😉

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Re: Kiteboarding in zero wind. It's possible after all!

Postby PullStrings » Sun Jun 18, 2017 8:26 pm

There was (nearly) zero at water level....gradient wind...8-10 kn estimated on beach...on surfboards..bunch of us on 17m kites depowered all the way !! (surprised)16 kn wind in kites
Friend of mine riding a bit on the outside stalls his kite too low at edge of window during failed tight turn...he falls in... so does the kite
Can't relaunch at all...ocean had no whitecaps or capillaries...he drifted in after 25 min ...side side on wind direction ...very little 1/4 knot current ..2-3ft waves eventually took kite in

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