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Real low end of 2003 big LEIs ?

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Maris
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Real low end of 2003 big LEIs ?

Postby Maris » Thu Apr 10, 2003 12:38 pm

What exactly is a low end limit for 2003 big LEIs ?

Please specify:
Low end wind speed you have kitesurfed
Low end wind speed you managed to stay upwind
LEI model,
LEI size,
your weight,
board size
line lengt if diferent from standart.

Maris

Guest

Postby Guest » Fri Apr 11, 2003 8:36 am

The real low end of all powerful, grunty low-wind kites is between 7-8 kts. Yes, it may be possible to pop to a plane in 6 kts but if you wan´t to do something else than breaking the low-end record, you need wind and that starts at 7-8 kts. Another thing, nobody, I say nobody can say that it´s 7 kts or 8 kts, since the wind varies all the time depending on where you are, measuring height etc etc. So, you might measure 5 kts on shore, get out there and get even airtime and then you come back stating " 2 m jumps in 5 kts wind", despite the fact that you have no clue whether the wind was 5kts or 9kts when you were running out there. It might have been 11 kts at 15-20 m height where your kite is pulling the power. The correct way of measuring kiting wind would therefore be (?) putting an instrument 15 m up the flying lines of a kite, have it standing still in zenith and take the reading. In these very low wind speed, it is close to impossible to compare different situations since layering of the air causes sometimes great differences in wind speeds. Specially when the water & air temperatures may vary from each other by as much as by 15 C.

As stated before, the real low end of kite hasn´t and will not move downwards since anything below 7-8 kts is not wind, it´s very careful movement of air. Also, the laws of physics with it´s square roots etc etc. takes care of the fact that real kiting allways has and allways will start at around 7-8 kts.

Why worry about the kts or m/s. You will anyway take a look at the water adn the trees and then decide whether to get out there or not.

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Toby
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Postby Toby » Fri Apr 11, 2003 8:41 am

Low end wind speed you have kitesurfed 9-10 knts
Low end wind speed you managed to stay upwind 11-12 knts
LEI model, North Rhino2
LEI size, 20sqm
your weight, 90kgs
board size 155cm
line lengt if different from standart. 27m


:bye:
Toby

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Postby Gary. » Fri Apr 11, 2003 9:50 am

Low end wind speed you have kitesurfed 8-9 knts
Low end wind speed you managed to stay upwind 9-10 knts
LEI model, Naish Aero II
LEI size, 20sqm
your weight, 100kgs
board size 184cm
line lengt if different from standard. 27m

Guest

Postby Guest » Fri Apr 11, 2003 1:27 pm

Low end wind speed you have kitesurfed; 7-8 knts
Low end wind speed you managed to stay upwind; 8-9 knts
LEI model; 2003 Fuel
LEI size; 19m your weight; 170kgs
board size; Big mofo! like 6-7 feetline length if different from standart; 27m

chicagokitesurfer
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Low ends

Postby chicagokitesurfer » Fri Apr 11, 2003 2:25 pm

Two so far:

Low end wind speed you have kitesurfed; 7 knts
Low end wind speed you managed to stay upwind; 8-9 knts
LEI model; Slingshot Fuel 2003
LEI size; 19m (21.4m flat) my weight; 185lbs (80-85kg)
board size; Slingshot LFT 167cm

AND...

Low end wind speed you have kitesurfed; 8 knts
Low end wind speed you managed to stay upwind; 8-9 knts
LEI model; Peter Lynn ARC 1510 (haven't used the G18 yet)
LEI size; (no clue the flat area of this kite) your weight; 185lbs (80-85kg)
board size; Slingshot LFT 167cm and Peter Nordby 138cm "Ranger" custom

V
http://www.chicagokitesurfing.com

Dr Surf Australia
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Postby Dr Surf Australia » Sat Apr 12, 2003 4:48 am

Gary. wrote:Low end wind speed you have kitesurfed 8-9 knts
Low end wind speed you managed to stay upwind 9-10 knts
LEI model, Naish Aero II
LEI size, 20sqm
your weight, 100kgs
board size 184cm
line lengt if different from standard. 27m
Low end wind speed you have kitesurfed 6-8 knots
Low end wind speed you managed to stay upwind 6-8 knots (sining)
LEI model, F-One Mach1
LEI size, 18.1sqm
your weight, 65kgs
board size 148cm
line lengt if different from standard. 30m

Have fun, Dave (Dr Surf)

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Postby toyletbowl » Sat Apr 12, 2003 5:10 am

Hey V.

How did you get your LFT already? Guess I know where I stand on the pecking order. :duh: Looks like some really good winds this Sunday through Wed. In dire need of a ride.
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Postby vestel » Sat Apr 12, 2003 5:50 am

Low end wind speed you have kitesurfed 8-9 knotd
Low end wind speed you managed to stay upwind 9-10 knots
LEI model, X2
LEI size, 18
your weight, 75kg
board size 5'10'
line lengt if diferent from standart. 27m

it was not fun, and it was more tiring than when overpowered

vestel

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Postby Peter_Frank » Sat Apr 12, 2003 8:49 am

Anonymous wrote:The real low end of all powerful, grunty low-wind kites is between 7-8 kts. Yes, it may be possible to pop to a plane in 6 kts but if you wan´t to do something else than breaking the low-end record, you need wind and that starts at 7-8 kts. Another thing, nobody, I say nobody can say that it´s 7 kts or 8 kts, since the wind varies all the time depending on where you are, measuring height etc etc. So, you might measure 5 kts on shore, get out there and get even airtime and then you come back stating " 2 m jumps in 5 kts wind", despite the fact that you have no clue whether the wind was 5kts or 9kts when you were running out there. It might have been 11 kts at 15-20 m height where your kite is pulling the power. The correct way of measuring kiting wind would therefore be (?) putting an instrument 15 m up the flying lines of a kite, have it standing still in zenith and take the reading. In these very low wind speed, it is close to impossible to compare different situations since layering of the air causes sometimes great differences in wind speeds. Specially when the water & air temperatures may vary from each other by as much as by 15 C.

As stated before, the real low end of kite hasn´t and will not move downwards since anything below 7-8 kts is not wind, it´s very careful movement of air. Also, the laws of physics with it´s square roots etc etc. takes care of the fact that real kiting allways has and allways will start at around 7-8 kts.

Why worry about the kts or m/s. You will anyway take a look at the water adn the trees and then decide whether to get out there or not.
Well said !

But it seems, that the number 8-9 knots appear on most postings, with all the different rider weights.

One thing that the postings dont say, which influences the number, is HOW is the wind measured ?

8-9 knots, is that measured on a hand held meter, or a weather station ? (in DK standard height of wind measurements is 9 meter above water).
Many kiters are aware of the wind effects (slowing down) towards shore, so they might know how to measure the wind okay.

The difference might be 1-2 knots in strength (see phpbb/viewtopic.php?t=5159&start=0)

There could be wind layer effects - but when most postings say the same, and many are so experienced that they of course dont post based on a single day (which could have had "odd" wind levels) - I think it seem right to state:

The low end of the biggest kites with a fairly big board (but not a Mega big board no...), where you can stay/go upwind , is about 8-10 knots for the average rider (75-80kg).

This is also my experiences with the biggest kites we see around.


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