Problems launching - drifting into powerzone

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dazba
dazba
WA
4 posts
WA, 4 posts
29 Dec 2010 10:42am
Hi
I am new to kite surfing, completed 2 out of 3 lessons. Was told I should buy the kit and practice before completing my 3rd lesson. So I did.

Kite is 2008 Switchblade 3, size 10m. My weight is 78kg.

Before doing lessons I practiced on my friends 7m on the beach, launching and controlling and landing which was fine. Also no troubles during the lesson on the instructors kite.

Now, with my new kite, the past 2 times (out of 4) launching it, it hasnt lifted up to the 12 o'clock position when launching 90deg to the wind, but has instead drifted on a lazy trajectory towards the power zone. I have tried to correct this both times but then it quickly hits the powerzone and I get hoisted 3 metres in the air and 10 metres long, straight out. First time, landed in the water and hit the QR. 2nd time at Melville Beach, landed on the beach at hit the QR, hurting myself quite badly. Very lucky that it wasnt even worse, which has shaken me up badly. One thing I know is that the for both occassions actual gust wind, compared to what the forecast said, was greater than my kite window (gusting up to and around 26 knots). found this out afterwards, when checking t'internet

I just cannot understand why it drifts into the powerzone rather than lifting up to the 12 o'clock position, never had this problem before but its happened twice in a row. My plan now is to stop until I take my 3rd lesson, speak to the instructor about my problems and show him my kite/set-up to get his opinion.

I just wanted to know the thoughts of anyone out there? (is it just that the kite it too big, will it be a problem with my control lines, is the 2008 switchblade 3 tempromental like that etc etc).

I dont want to injure myself or other people so want to get this right. Also dont want to be defeated by this sport as I really want to do this correctly. Any help will be greatly appreciated.

Thanks
Darren
toddws
toddws
WA
469 posts
WA, 469 posts
29 Dec 2010 10:54am
There are so many things that could be responsible. Perhaps equipment, but more likely its technique.
But check some of these out,
A. the kite is over sheeted, let the bar out and it will stop back stalling (falling back into the power zone)
or
B. Centre lines have stretched run the lines out (causing kite to backstall) and check all are same length with bar fully powered
or
c. standing too far upwind of kite
or
d. Trying to launch with kite fully depowered

Also Melville is not the best place for launching especially if it goes t!ts up, ask one of experienced guys down there to check the kite by launching it for you, it may just be you and your technique.
dazba
dazba
WA
4 posts
WA, 4 posts
29 Dec 2010 11:05am
thanks for the response, I meant to say in the original post that it could also be my technique. A workman always blames his tools!
ApatheticEnd
ApatheticEnd
WA
995 posts
WA, 995 posts
29 Dec 2010 11:32am
Sounds like you are launching too close to the edgo of the wind window. A good rule of thumb is to walk around till your kite fills and stops luffing, then take 2 or 3 more steps upwind. Then, gusty or not, the kite should head quickly up and toward the edge of the window.

Please don't practice this at Melville. You're going to get hurt and possibly cause an incident that would threaten access to a great kite spot. Just find some nice open beach if you are not 100% confident yet.

Be safe and have fun.
djdojo
djdojo
VIC
1614 posts
VIC, 1614 posts
30 Dec 2010 12:18am
I weigh the same as you and ride the same kite. 26knots (real knots not qld knots) is far too windy to be using that kite as a beginner. I'm an experienced intermediate use my 10m in 17-23 ideally. I can hold it in 26 but it's not fun and as you sheet further out the steering becomes very unresponsive. In its wind range the sb3 is still a good kite.

When launching you want to be slightly, but only slightly upwind of 90 degrees from the kite.

I don't think you should be out "practising" between lessons as you won't know what to practise. Lessons then practise eh. Maybe have a chat to a different instructor. And when you do get to more practising, check in with some experienced crew as to conditions and kite size. Whatever the forecast says, you still need to learn to read conditions for yourself. Start by asking those who already know.
terminal
terminal
1421 posts
1421 posts
29 Dec 2010 10:05pm
Sounds like you didn't have enough lessons to be practising on your own, or part of the lesson didn't sink in - something went wrong for you to have got the launch so badly wrong. You sound sensible, but its a concern if your instructor thought you were at a safe enough level to be practising on your own.

As others have said, if you are standing too far downwind, the kite canopy should be fluttering, and if you then walk upwind until the canopy material has just tightened and is taut, then take another couple of steps upwind, you should have enough tension in the lines to launch the kite up the edge of the wind window.

The most concerning thing is when you mention the kite not lifting up to 12 o'clock.
You should just fly the kite up a little from the launch position and keep it low to the side while you check how it is steering. You do not immediately try to swing it up to 12 o'clock - that's a likely way to get launched into the air. The safest way is to launch with the kite toward the water and keep the kite low to the side until you are well into the water. That should have been drilled into you at your lessons.

You were right to decide that going back for another lesson is the best way to go - provided you are getting lessons from a good instructor.
colinwill78
colinwill78
VIC
1395 posts
VIC, 1395 posts
30 Dec 2010 11:23am
hey mate,
you've got a switchblade, there should be no need to "trigger" quick release, don't set the stopper when launching, and don't grip the bar too tight. if the kite threatens to pull you around, let go of the bar. (i haven't used a switchblade 3 just a x-bow of a similar vintage)

Why the kite is behaving the way it is, is anyones guess. what you describe happens a lot in light wind with gusts, if the kite is launched and the wind dies then picks up again.

Good technique and considerable footwork can over come this, by walking upwind and tuning the bar as you go.

check your trim strap is de-powered too.

course, it could be a number of other things
rsc
rsc
WA
96 posts
rsc rsc
WA, 96 posts
30 Dec 2010 10:34am
Well I also have just started and found a number of small issues that just made it very hard to get it going well. Best thing I did was get a very good instructor on the 3rd lesson (the other were good as well) to actually use it himself -- he did a few tuning things in about 10 minutes and it went 100%. He also recommended a better harness which allowed a higher position for the hook on me (I was being tipped back and felt like being water boarded all the time). I'm still struggling with getting up on the board (weigh 110kg), and had a few off-putting experiences with stronger winds but I'm still going down for the practice. I only want a light wind experience for cruising so it is a bit of a balance to the right wind combo. Anyway, bottom line: the instructor demonstrated the kite worked well which boosted my confidence and, as I said, made a few adjustments and hints based on his actual experience with that kite -- not standing back and just talking. Hope it helps.
harry potter
harry potter
VIC
2777 posts
VIC, 2777 posts
30 Dec 2010 9:48pm
Personally I can only see it being one if two things ....

i) kite is oversheeted ( either front lines have stretched or you have got too much bar pulled in in lighter winds.... higher winds will compensate for the poor aerodynamic and the kite will probably still fly ( but handle like a pig )

ii) you are trying to launch your kite too far into the wind window. Either ask your kite launcher to take 2 steps downwind or you take two steps upwind

whoever is launching your kit should hold it in position while you check your lines are ok, at this point your kite should not be luffing ( flapping ) the canopy should be smooth and catching wind to the point where it is supporting itself ie : person launching the kite can let go and the kite will neither drift back nor fall to the ground but remain in position or ever so slowly begin lifting. You should be able to feel the pressure through your bar and back lines... Pull your bar in and the kite should want to fly out if the launchers hands ease it out and it should become passive.

Only give the thumbs up to your launcher to release once you feel the kite wanting to fly out of their hands. Avoid at all costs the drifting back as it will end up lofting you as it powers up and that could get nasty.



DaGodfather
DaGodfather
SA
280 posts
SA, 280 posts
31 Dec 2010 9:25am
Simple method (providing the kite is set up correctly!):

Keep walking up wind until the person holding the kite feels the leading edge steadily pushing forward - then launch - the kite will go straight up.

You may have to depower (bar out) as it's going up, so you don't get lifted.
mofo
mofo
QLD
91 posts
QLD, 91 posts
31 Dec 2010 9:11pm
sounds like you got the bar pulled in too much or you need to depower the kite abit whilst launching . If you pull the bar in too much this will stall the kite and it will drift back into the powerzone then all of a sudden power up lofting you..
dazba
dazba
WA
4 posts
WA, 4 posts
1 Jan 2011 8:07pm
Thanks everyone for their responses.

Firstly, just checked my line lengths and found the front lines were slack, so shortened them so that all lines had relatively even tension, as per my control system manual.

Also, going through my head what I was doing when it all went wrong and your advice. I definently had the override stopper engaged which I realise is a no-no (that manual even tells me not to, but I missed it first time I read the manual).

I also would have had the bar pulled down to much so it would have been stalling. That was a common mistake I kept doing in my first 2 lessons, but as it was low winds it did not magnify the problem as it did lately. Thanks for pointing that out.

Finally, and there is a question here. I know that I turned my control bar 90deg when I launched (so that it was running vertical, one rear leader at the top, the other at the bottom) so that the bar was the same orientation as the kite when its being held by my kind beach helper. I dont know if that is a new thing I developed or have always done this when playing with kites, but I remember doing it for my last launch. Do I need to do this, or do I just leave the bar horizontal (parralel to the water) when launching as the kite will right itself?

I will be asking my instructor all these points when I do the final lesson, just thouhgt I would ask the question here?

Once again, thanks to all the people taking their time to help me here.
coreyb
coreyb
WA
463 posts
WA, 463 posts
1 Jan 2011 9:29pm
Either is fine, but there is no need to turn the bar. Be sure to remember turning the bar (like a steering wheel) does not turn the kite, only push / pull will turn it.
harrysurfer
harrysurfer
WA
254 posts
WA, 254 posts
3 Jan 2011 10:10am
even if ur kite drifts and launches into the powerzone u should nver get lofted> just let go off the bar check you tube kite accidents all the guys flying ibto buildings etc have still got their hands ib rhe bar
NSW, 4382 posts
3 Jan 2011 4:32pm
dazba said...

Thanks everyone for their responses.

Firstly, just checked my line lengths and found the front lines were slack, so shortened them so that all lines had relatively even tension, as per my control system manual.


you really need to know what you are doing before you start adjusting your line lengths, you may have made the kite quite unsafe.?
To check line lengths!
All 4 lines should be attached to a common anchor point, like a rope around a tree with a knot or carabiner in the end to connect all your lines to.
Then to check that the trim/depower cleat or strap is all the way out (powered up setting).
Then you pick up your bar and pull on it and the chicken loop (or wear your harness and hook into it), and check that there is approx 4-5 cms gap between the top of the chicken loop and the bottom of the bar, when all the lines are pulled tight and under similar tension.
If you have done anything other than what I've described you have most likely screwed up the "trim" of your kite, and you should not fly it until you have reset it like above or had it checked by an experienced kiter/instructor.

dazba said...
Also, going through my head what I was doing when it all went wrong and your advice. I definently had the override stopper engaged which I realise is a no-no (that manual even tells me not to, but I missed it first time I read the manual).

I also would have had the bar pulled down to much so it would have been stalling. That was a common mistake I kept doing in my first 2 lessons, but as it was low winds it did not magnify the problem as it did lately. Thanks for pointing that out.


If the kite is moving backwards, its telling you to push the bar out (the trim of the kite may be out of whack too)
Disengage or remove any stoppers, until you are well experienced.

dazba said...
Finally, and there is a question here. I know that I turned my control bar 90deg when I launched (so that it was running vertical, one rear leader at the top, the other at the bottom) so that the bar was the same orientation as the kite when its being held by my kind beach helper. I dont know if that is a new thing I developed or have always done this when playing with kites, but I remember doing it for my last launch. Do I need to do this, or do I just leave the bar horizontal (parralel to the water) when launching as the kite will right itself?

I will be asking my instructor all these points when I do the final lesson, just thouhgt I would ask the question here?

Once again, thanks to all the people taking their time to help me here.


Very common mistake made by people who have not flown trainer kites, in fact a lot of your language and the difficulties you are experiencing are the result of not flying trainer kites and gaining a decent understanding of the wind window.
You should always remember that steering a kite with a control bar is like steering a bike, the bar should be pivoted around its centre (or the centre line), not rotated. You must apply or release tension to the steering lines, by pivoting the bar left or right, to steer a kite. If you pull one one side you must pivot the bar and release the other side, otherwise you are not steering the kite.

I strongly suggest you get some time on a trainer kite BEFORE your next lesson, and do not attempt to go kitesurfing again until you have had your next lesson, you have had a couple of lucky escapes don't tempt fate eh!
If you learn to fly a kite well, by using a trainer kite, then you will get much better value from a kitesurfing lesson.



dazba
dazba
WA
4 posts
WA, 4 posts
4 Jan 2011 11:38am
Cheers for the response.
I set up the trim as per the Cabrinha user manual for the control system, which luckily matches your description too. But I will get the instructor to take a look as well just so there is no mess ups.

The stopper will be out from now on until I feel very comfortable with it all.

Regarding steering the kite, I dont steer it like a steering wheel but like a bike as you have described. It was more about the initial orientation of the bar that I was questioning, to see if it had any influences.

I agree with the training kite, I did play around with my friends 7m kite before taking up lessons but this was only in light winds (sub 15 knots) and did not do the more advanced manouveres (8s, dropping from 10 to 2 etc etc).

Anyone got a spare training kite they are willing to sell?
Bog
Bog
WA
43 posts
Bog Bog
WA, 43 posts
5 Jan 2011 6:12pm
Hey Dazba
Plenty of things to think about and all great advise

At Melville the wind is really gusty at the shore line
Try walking out further, cleaner air and safer landing if it does go wrong

PM me and we can catch up next week. You can borrow my trainer as well

Cheers
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