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2018 11m Naish Pivot design/manufacturing flaw?

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Hugh2
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2018 11m Naish Pivot design/manufacturing flaw?

Postby Hugh2 » Tue Jun 02, 2020 10:04 pm

My 2018 11m Naish Pivot has a possible design or manufacturing flaw. A year or so ago I noticed a swelling at the horizontal join in the leading edge at the second “knuckle” after the strut on one side. I call it a knuckle because it is where there is a change in the angle or curve of the leading edge and there is a seam around the leading edge. The stitches had let go right at the join of that seam and the longitudinal stitching that holds the main bladder together. Luckily I noticed it before the bladder blew and repaired it using double dental floss, see first picture.

Well, today my kite exploded sitting on the grass, and it was the identical spot on the other side of the kite. See second picture. I’ve repaired it, but on close inspection I see a potential design/manufacturing flaw. Which is that up till the first knuckle after the strut there is double thread for the horizontal stitching of the leading edge, but then it goes to single thread stitching out to the tip. Perhaps Naish thought the pressure on the bladder and stitching was less towards the tip. So this second knuckle after the strut is the first one with single thread. I have now reinforced the third knuckle after the strut as well. I wonder if anyone else has had this problem. I have not had it with my 7m and 9m 2015 or 2018 9m Pivots.
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Last edited by Hugh2 on Wed Jun 03, 2020 12:26 am, edited 1 time in total.

John Doe
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Re: 2018 Naish Pivot design/manufacturing flaw?

Postby John Doe » Tue Jun 02, 2020 11:29 pm

I have 2019's & 2017's. No problems at all.

Hugh2
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Re: 2018 Naish Pivot design/manufacturing flaw?

Postby Hugh2 » Tue Jun 02, 2020 11:50 pm

I decided to check my 2018 9m and lo and behold but the double-thread stitching goes all the way to the tip.

Here’s a photo of my 11m of the transition from double-thread stitching on the right, the side towards the side strut, and the single stitching that then goes all the way to the tip. This is the first knuckle after the side strut.

So, this could be an issue on all 2018 11m kites, or perhaps others sizes but apparently not the 9m, or it could be a manufacturing issue with my kite.
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Last edited by Hugh2 on Wed Jun 03, 2020 12:59 am, edited 1 time in total.

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tautologies
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Re: 2018 Naish Pivot design/manufacturing flaw?

Postby tautologies » Wed Jun 03, 2020 12:29 am

Did you talk to your rep?

I guess it is out of warranty, but maybe they can give you some indication of a solution? I have honestly not heard of this before.

Hugh2
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Re: 2018 11m Naish Pivot design/manufacturing flaw?

Postby Hugh2 » Wed Jun 03, 2020 12:57 am

Surely out of warranty. Bought second hand from REAL in OBX. The US rep for Naish is apparently Pacific Boardsports in Washington, and I called them and asked them to check this thread. I'll check in with them again tomorrow if they do not get back to me. If anyone else has a 2018 Naish Pivot of any size, I'd be interested if they could check the stitching. Both of mine (9 and 11m) are the mostly grey kites with yellow and orange panels in the canopy and a black leading edge and struts.

This video features it -

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marlboroughman
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Re: 2018 11m Naish Pivot design/manufacturing flaw?

Postby marlboroughman » Wed Jun 03, 2020 2:46 am

This is very simple cheap repair. If you don't have a kite repair guy around go to boat canvas place.

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marlboroughman
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Re: 2018 11m Naish Pivot design/manufacturing flaw?

Postby marlboroughman » Wed Jun 03, 2020 2:56 pm

Is this a flaw? Possibly. This is the part where kite repair shops struggle. I bought a walking foot machine just because of these areas on the leading edge. The machine has to be set up perfectly and the thread tension has to be just right. The second pass helps only if the machine is set up properly. I honestly prefer single pass with extra dacron tape on the inside except where it is bulky already and thicker thread.

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marlboroughman
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Re: 2018 11m Naish Pivot design/manufacturing flaw?

Postby marlboroughman » Wed Jun 03, 2020 3:59 pm

I lot of ifs, but if you still need it fixed after they open the border and happen to be in Toronto Area I will fix it for free.

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Re: 2018 11m Naish Pivot design/manufacturing flaw?

Postby knyfe » Wed Jun 03, 2020 4:07 pm

Dental floss on the leading edge? I use it for my wet suits but not on the kite. G

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BillyGoatGruff
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Re: 2018 11m Naish Pivot design/manufacturing flaw?

Postby BillyGoatGruff » Wed Jun 03, 2020 8:38 pm

Just checked my brand new 2018 - 7m pivot (green colour scheme), it's exactly the same as yours, double stiched in the centre and becomes single stiched towards the tips. Naish quality control must have been aware of this, I assume it's all part of the design and can take the wind forces and loadings. lease post an update as I'm interested in what they recommend.
Last edited by BillyGoatGruff on Wed Jun 03, 2020 9:38 pm, edited 2 times in total.


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