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Stretched kite/ pulling to one side.

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Created by Charl dv > 9 months ago, 17 Apr 2014
Charl dv
WA, 2485 posts
17 Apr 2014 11:37PM
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I have 9 and 11 2011 airush razors one pulls to left the other to right. I've checked and re checked my bar and lines and they seem to be set right without any difference in the lines. I've swapped front lines and back lines around to see if it made any differences and no it didn't so this leads me to believe that the canopies are stretched.

Can this be fixed at all?

cauncy
WA, 8407 posts
18 Apr 2014 8:52AM
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Not rode the razors, but double check your lines it doesn't take much to send things a little out of wack, also check pigtails and connections at the kite, especially distances between knot settings, if still no difference you could put multi knot settings on a pigtail and have your lines on different knots to compensate

Charl dv
WA, 2485 posts
18 Apr 2014 9:01AM
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Yea I've tuned the bar to perfection, I also replaced the pigtails on one of the kites with no improvement. I'll go over it finely the next time I fly it but it hasn't worked so far. unfortunately there's not much in terms of adjustability with front lines but at least i have enough spares to make some modifications.

LostinSpace
QLD, 388 posts
18 Apr 2014 11:07AM
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I'm no repair expert but have you checked and measured your bridal lines or back line connection lines. They could be worn or stretched and if so would need replacing. If this is the case on replacing these you would find that "hey! this kite feels like it is flying as if it was brand new and far superior in it's control and flying characteristics". I would imagine the canopy should not be contorted unless both kites had major repair work like complete canopy splits on both kites at least on one respective side of each kite which the re-stitching is not allowing the canopy to flex at the same rate whilst flying it. I am saying this as I have felt this effect whilst flying and testing a mates repaired major damaged kite for him that he seemed to think there was something wrong with it. I named his kite "Frankenstein" as that's what it looked like after the repairs. He not long after updated his kite and I believe that kite eventually got binned. Although in saying so, I have had several kites myself with a repaired complete ripped canopy panels and not had issues.

GarryA
WA, 268 posts
18 Apr 2014 10:20AM
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Select to expand quote
Charl dv said..

Yea I've tuned the bar to perfection, I also replaced the pigtails on one of the kites with no improvement. I'll go over it finely the next time I fly it but it hasn't worked so far. unfortunately there's not much in terms of adjustability with front lines but at least i have enough spares to make some modifications.


the bridle line is streched on the 1 side check the line lengths of each line between bridles

Ben - Ikon
WA, 113 posts
18 Apr 2014 10:32AM
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Hi Charl,

If the bar is tuned right, then the issue comes from the kite.

It happened sometimes that the Leading Edge twist.
The C-shapes like the Razor have more tendency to twist due to the following reasons :

1 - Small diameter leading edge are easier to twist.
2 - No bridle support. SLE kites have a supported Leading Edge so even if the Leading Edge is twisted, the bridle lock the shape and you wouldn't feel it as much.
3 - The C-shapes are used as freestyle kite so lot of crashes on suicide leash, usually always on the same side.

SOLUTION :

Step 01 - inflate your kite, lock the struts and put it on a very flat surface.
Step 02 - check if the leading edge is symmetric. If it's twisted you will have one wingtip on the ground and the other one lifted from the ground
Step 03 - if the case then deflate a little bit the leading edge until you can pull the LE straight (you will need the help of someone to pull the on the other wingtip)
Step 04 - twist the kite the other way
Step 05 - Put some weight on both wingtip, the kite will look like a plane propeller. Leave it for few hours.
Step 06 - Remove the weights, inflate the kite again and check it again on a flat surface.

Do it again if it's not enough. be careful, sometimes you can untwist too much and the kite will be twisted the other way.

If the LE is not twisted, the canopy can be stretched as well.

Other solution : The bladder inside the LE is twisted, so remove the Bladder and put it back.

Good luck.

Ben

NickT
WA, 1094 posts
18 Apr 2014 11:47AM
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Thought twisted bladder also, can't you work a twist out on a semi pumped kite without pulling the bladder out?

Ben - Ikon
WA, 113 posts
18 Apr 2014 1:41PM
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Hey Nick,

Yes it works also but I guess it's more efficient to remove it and put it back.


terminal
1421 posts
18 Apr 2014 5:05PM
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Even very slight difference in bridle length can cause a big difference in the steering line length required - especially if the bridle is small.

Another thing to look for is an uneven kite.

Charl dv
WA, 2485 posts
18 Apr 2014 8:39PM
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Thanks for the input Ben, I Leighton give you a call over the weekend. I laid both flat and there's inconsistent contact with the floor but effectively both wing tips are on the ground.

To everyone else thanks but I've already checked all pigtails on kite and lines on bar prior to this post, all was right and they both still pulled to the sides.

Charl dv
WA, 2485 posts
18 Apr 2014 10:03PM
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Here's photos of the two kites on the ground. You can see there are some sections of the LE off the ground and raised more on one side than the other. but both wing tips are pretty much on the ground.

Looking from a flying point of view you can see the RHS wingtip on the 11 (dark kite) is raised slightly and the LHS wingtip is firmly on the ground. from the centre strut the LHS is higher off the ground than the RHS on the first couple of panels.

on the light coloured kite (9m) at the centre they are fairly even, the RHS wingtip also lifts slightly.

The weird thing is though that the 9 pulls to the left and the 11 pulls to the right?

LostinSpace
QLD, 388 posts
19 Apr 2014 1:25AM
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Good photos and great post Cdv. This I find has been very informative as to what can go on with uneven flying from a kite other than bar and line tuning issues and I have definitely learnt something from contributors concerned ala Ben from IKON. Cheers and hope you can resolve you kite dilemma Cdv. It would be interesting to here in the future how you get on with it

apepene43
QLD, 116 posts
19 Apr 2014 9:18AM
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I have a 14 m kite always wants to pull down on left side so when riding I have to keep bar angled down on right side constantly and getting sore wrist from it I thought I had one side on diff Knott setting but have not I know the feeling annoying

Ben - Ikon
WA, 113 posts
19 Apr 2014 9:30AM
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It doesn't matter if some sections of the LE are off the ground as long as it's same on both side.
The video that Terminal has put is really good.

Do you have any picture of the entire kite where you can see both wingtips. Same view as 1 min 11 in the video above.


apepene43
QLD, 116 posts
19 Apr 2014 7:18PM
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I checked my bar today one centre.line was longer than the other now the sane fixed my problem today just a little.bit makes a lot of difference

Charl dv
WA, 2485 posts
21 Apr 2014 9:59PM
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Here you can see a before and after for my 9m and 7m (white and blue respectively) and a before only of my 11, garage is too small to get a good photo of the 11. Just used the technique in that video which seems to have done a lot for the 9 and 7. the 11 didn't change that much and I want to try the technique you mentioned Ben but not sure how to do it when both wingtips lean inward.

What I find interesting though is that pretty much all of the kites had more lean on the RH wingtip but the 11 pulls to the right while the 9 pulls to the left. I'm unsure about the 7 as I haven't flown it yet.

Charl dv
WA, 2485 posts
27 Apr 2014 10:43PM
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Okay so flew both 9 and 11 and they both still pull. 9 still to left and 11 to right. When I change the front line by one knot shorter it balances out. But it's not the bar because ive swapped the front lines while flying to see if it made a difference but it didn't.

pedleym
WA, 168 posts
28 Apr 2014 7:28PM
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Have you tryed. Flipping the fifth line bridal so remove and connect corresponding from left to right and vide versa

Charl dv
WA, 2485 posts
29 Apr 2014 2:50AM
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ive disconnected the bridle on the 11 and ran a single line up to the centre and there was no change. will try flipping them next session

cauncy
WA, 8407 posts
30 Apr 2014 10:58PM
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Have you tried Putting one arm next to the other,to see if thy are equal might be a birth defect



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"Stretched kite/ pulling to one side." started by Charl dv