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Wind Ranges related to kite Sizes, please share you experience!

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Archer77
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Ozone Catalyst V1 12m, 9m, 7m
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Wind Ranges related to kite Sizes, please share you experience!

Postby Archer77 » Sat Sep 29, 2018 3:41 pm

Hi All!

PLEASE SHARE YOUR WIND RANGES RELATED TO KITE MEASURE TO CREATE A DATABASE FOLLOWING THIS SCHEME

wind range should start when is possible to go up wind without problem, and end when you feel still safe (max only half depower!)

I start:
my weight 77Kg
my level is between beginner and intermediate
board used twin tip 141*44

size 17mt (ozone Zephyr V5 2017): (my) wind range 12 to 17 knots
size 12mt (ozone Catalyst V1 2016): (my) wind range 15 to 21 knots
size 9mt (ozone Catalyst V1 2016): (my) wind range 19 to 26 knots

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Archer77
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Posts: 105
Joined: Wed Dec 14, 2016 1:42 pm
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Favorite Beaches: Porto Pollo, Sardegna
Gear: Shinn Bronq 135/41 Groove 500 141/44
Ozone Zephyr V5 17m
Ozone Catalyst V1 12m, 9m, 7m
Location: Italy

Re: Wind Ranges related to kite Sizes, please share you experience!

Postby Archer77 » Sun Sep 30, 2018 10:44 am

up

Matteo V
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Re: Wind Ranges related to kite Sizes, please share you experience!

Postby Matteo V » Sun Sep 30, 2018 3:48 pm

So as you can see from my other posts right now, I get a little long winded. I will try not to do that here because your answer is either really long or really short.

First, we do not know the rocker on your board. That has a huge effect on the power requirements of the board.

Secondly, we do not know the consistency of wind in your area, nor whether you would size down for safety due to potential rotor or updrafts in your area.

And third, what are you using to measure wind speed on the beach, on the inside, in the break, or on the outside.


The simple answer for you is what ever you feel works on the gear you are riding, and it looks like you have a good feel for where your kites work for your skill level right now.

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edt
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Re: Wind Ranges related to kite Sizes, please share you experience!

Postby edt » Sun Sep 30, 2018 5:10 pm

Matteo V wrote:
Sun Sep 30, 2018 3:48 pm


The simple answer for you is what ever you feel works on the gear you are riding, and it looks like you have a good feel for
There's no one answer for kite size it all depends on conditions, and what you want to do. Megaloops, wakestyle, airstyle, they will each have a different wind range. Just ride what you feel comfortable and don't be too worried if someone is on a different sized kite.

Matteo V
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Re: Wind Ranges related to kite Sizes, please share you experience!

Postby Matteo V » Sun Sep 30, 2018 8:52 pm

edt wrote:
Sun Sep 30, 2018 5:10 pm
There's no one answer for kite size it all depends on conditions, and what you want to do. Megaloops, wakestyle, airstyle, they will each have a different wind range. Just ride what you feel comfortable and don't be too worried if someone is on a different sized kite.
Yep, charts may be a good guideline for beginners, but intermediates-pro just choose by experience - likely without a wind meter. But use local advice when in an unfamiliar kiting location.

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Re: Wind Ranges related to kite Sizes, please share you experience!

Postby Da Yoda » Sun Sep 30, 2018 9:10 pm

I was just up kiting in Tahoe yesterday and another thing that's often not taken into account is elevation. I know most kiting is performed at sea level, but many kite inland lakes and reservoirs. Tahoe is at 6200' (1889m), so conditions there require rigging a bigger kite to compensate for the elevation and thinner air. I've seen people launching 9m kites at Tahoe thinking the wind feels the same as their usual spots at sea level and then finding that they can't get off the beach. :lol:
Another thing often overlooked is the air temp and humidity. These factors also play a roll no matter the altitude. :thumb:

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Re: Wind Ranges related to kite Sizes, please share you experience!

Postby RalfsB » Mon Oct 01, 2018 7:05 am

I am using a surfboard (very flat rocker) in waves and chop, my weight is 75kg. My figures are something like this:
6m 10 to 17 m/s (20 to 34 kts)
9m 7 to 12 m/s (14 to 24 kts)
12m 5 to 9 m/s (10 to 18 kts)
17m 4 to 6 m/s (8 to 12 kts)

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Re: Wind Ranges related to kite Sizes, please share you experience!

Postby Peter_Frank » Mon Oct 01, 2018 3:43 pm

You can see a scientific calculation on kite sizes in different winds, correlated to what I use myself.

In the low end nothing is easy and very uncertain, as the apparent wind and type of kite and board etc means so much, but above this point you can take the curves as a given quite precisely, which size has the same power in more wind, just correlate it to your own "power" liking of course.

Push the line up or down according to your own preferences, meaning if you like to ride a TT lit and same weight, you take maybe two kitesizes bigger than I do on a waveboard - so it just means you should follow a line like if heavier.

Image



Regarding temperature and height, see this post/graph from 2003: viewtopic.php?f=1&t=5159&start=10

Image



And no, humidity plays no role regarding how powerful the wind is :wink:
Copied from an old 2005 post I made http://kiteforum.com/viewtopic.php?f=1&t=2343149


Regarding moist air and power (power/lift is directly proportional to air density/weight) :

Dry air, 0%, is HEAVIER than moist air, 99% :roll:

This is just the opposite of what everyone expects.

The reason is the difference in weight of the molecules.

"Moist" in the air is almost half as heavy as the air itself, so to speak.
The molecule weight of water is 18 (H2O = 2 x 1 + 16 = 18).
Air is 78% Nitrogen and 21% Oxygen and the last % some other gasses.
Both in pairs.
Molecule weight of N is 2 x 14 = 28, and of O is 2 x 16 = 32.

Because the number of molecules in air/gas is the same (it is, believe me) - the air without "moist" is heavier than moist air 8)

99% moist air is only about 2% lighter than dry air though, so the difference can not be felt by us kite or windsurfers :P

8) Peter

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Archer77
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Ozone Zephyr V5 17m
Ozone Catalyst V1 12m, 9m, 7m
Location: Italy

Re: Wind Ranges related to kite Sizes, please share you experience!

Postby Archer77 » Thu Oct 04, 2018 6:43 pm

thank you Peter and RalfsB!

MatteoV and Edt I understand that is more and more complex, but would just be useful to have some reference of other riders... than riders could specify their use and conditions too...

Mossy 757
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Re: Wind Ranges related to kite Sizes, please share you experience!

Postby Mossy 757 » Thu Oct 04, 2018 6:54 pm

Delta race foil

15m Elf Joker 7 on 17m lines - most days, until the meters are truly hitting 17 knots. This looks like pretty vigorous, constant white caps.
11m Sonic2 on 16m lines - Constant whitecaps, up to about 22 knots, if I'm out boosting maybe a bit more but the kite doesn't depower at all above 22kts
9m Cabrinha Velocity on 21m lines - Meters are hanging at 19kts, spiking into the 20's. This is not a lot of fun for me anymore, once I can't ride the 11m it's kind of survival mode.
7m Ozone Edge on 21m lines - only did this 1 time in like 30+kts during a regatta, it sucked, it was either exactly the right power or no power at all. Not fun riding conditions.


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