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Kite Lines: which ones are used by the pro?

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Mitaka
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Re: Kite Lines: which ones are used by the pro?

Postby Mitaka » Mon Nov 27, 2017 4:56 pm

evan wrote:
Mon Nov 27, 2017 4:12 pm
Did they change the production of the Premiumropes kitelines? The samples i got had a really flat crossection, more like 1x3mm for the 1,6mm line.
Both 1 mm and 1,6 mm are flat as new (around 1x2 mm for the 1,6). Probably they will get round after some use.

Regis-de-giens
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Re: Kite Lines: which ones are used by the pro?

Postby Regis-de-giens » Mon Nov 27, 2017 5:51 pm

evan wrote:
Mon Nov 27, 2017 12:31 pm
Had a sample of sk99 Liros DC161/DC pro that should be 160kg but could not get it above 130kg when spliced due to the fact it was a 8-strand line. DSM doesn't sypply the same thin yarns as the older SK-75 yet so the only way to get a thinner line than 1,1mm is to make it a 8-strand line and sadly that doesn't hold up to 12-strand versions when spliced.

On the 1.1mm 12-strand SK99 line i get around 300kg breaking strength when spliced so i didn't bother to take the 0.8mm one on stock as the difference in thickness i measure myself was too little too loose more than 50% breaking strength.

300kg SK99 line i have on stock: http://www.en.infexion.nl/shop/accessor ... per-meter/
Thanks, very interesting ; do you think that sk99 Liros DC161/DC pro are the 0.8mm diam that FS is describing, or do they use a grade that cannot be bought on the market ? It is really too expensive on FS website ...

Otherwise I will go for the 1mm, thanks Mitaka (but I do not need it and looking for the lightest weight possible and 130 kg would be enough on the rear lines for my weight, with few margin , I know but it works currently with 70 kg lines, so ...)

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Re: Kite Lines: which ones are used by the pro?

Postby Mossy 757 » Mon Nov 27, 2017 6:05 pm

https://greenhatkiteboarding.com/liros- ... -per-meter

Even though this says SK75 in the link, it's SK99...Vadim (the owner) and I talked about this a lot and Liros doesn't make a 1.1mm line set with a 267daN break strength and this was labeled as such. Great stuff, really easy to splice. I used it for my front and rear lines, could feel an immediate difference when riding coming from a much thicker line.

Regis-de-giens
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Re: Kite Lines: which ones are used by the pro?

Postby Regis-de-giens » Mon Dec 04, 2017 3:14 pm

evan wrote:
Mon Nov 27, 2017 12:31 pm
Had a sample of sk99 Liros DC161/DC pro that should be 160kg but could not get it above 130kg when spliced due to the fact it was a 8-strand line. DSM doesn't sypply the same thin yarns as the older SK-75 yet so the only way to get a thinner line than 1,1mm is to make it a 8-strand line and sadly that doesn't hold up to 12-strand versions when spliced.
Evan, which kind of splice did you make when break-testing it ? either a "double crossed" (autoblocking type) or a "simple path" splice (with the rope entering directly in the core of the other, FS type) because it will impact the breaking load of the loop.

BTW I am still surprised to find neither the FS 0.8mm SK99 line nor the Ozone 0.9mm Sk99 lines on the market. Shame. Otherwise I can go for 1.0mm SK99 for front lines and 0.9 mm or 1mm Sk75 or 78 on rear lines for cost saving .

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Re: Kite Lines: which ones are used by the pro?

Postby evan » Wed Dec 13, 2017 12:12 pm

Regis-de-giens wrote:
Mon Dec 04, 2017 3:14 pm
evan wrote:
Mon Nov 27, 2017 12:31 pm
Had a sample of sk99 Liros DC161/DC pro that should be 160kg but could not get it above 130kg when spliced due to the fact it was a 8-strand line. DSM doesn't sypply the same thin yarns as the older SK-75 yet so the only way to get a thinner line than 1,1mm is to make it a 8-strand line and sadly that doesn't hold up to 12-strand versions when spliced.
Evan, which kind of splice did you make when break-testing it ? either a "double crossed" (autoblocking type) or a "simple path" splice (with the rope entering directly in the core of the other, FS type) because it will impact the breaking load of the loop.

BTW I am still surprised to find neither the FS 0.8mm SK99 line nor the Ozone 0.9mm Sk99 lines on the market. Shame. Otherwise I can go for 1.0mm SK99 for front lines and 0.9 mm or 1mm Sk75 or 78 on rear lines for cost saving .
Just a normal straight stitched splice of 25-30cm with a good tapered end, although stitching is not necessary for strength as the splice does not slip under load when it is this long.

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Re: Kite Lines: which ones are used by the pro?

Postby Regis-de-giens » Sat Dec 16, 2017 12:23 pm

Ok so indeed that is already the best you can do if your tapered end is long.
Normally you should reach higher than 80 % of the breaking load. That is strange.

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Re: Kite Lines: which ones are used by the pro?

Postby evan » Sat Dec 16, 2017 2:29 pm

Weird indeed because I get my SK99-500 line up to 622kg and the SK99-300 up to 321kg load when breaking at the tapered part of the splice with all tests well above the factory breaking loads.

Regis-de-giens
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Re: Kite Lines: which ones are used by the pro?

Postby Regis-de-giens » Tue Jul 31, 2018 2:34 pm

I just bought some 1mm SK99 for the rear lines at premium-ropes, thanks for the link.

Still interested if someone if selling its "old" rear Flysurfer race lines set at a good price that would not be suitable for competition any more. Even broken lines

KR

Regis-de-giens
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Re: Kite Lines: which ones are used by the pro?

Postby Regis-de-giens » Thu Aug 09, 2018 12:51 pm

I found my 0.8 mm SK99 lines , great ;
Now I need to splice them and need tips !

My last 0.8 mm line I did a auto-bloquing splice (one line crossing the other and vice-versa like this :
Image
but result is not as strong ; so I would like a direct splice
( i.e. inserting the line in the core of the line along 15 cm like this :
Image

I regularly do it up to 1.5 mm lines but 0.8 mm will be tricky ; anyone of you already did it have having good tips (except usual guitar spring or D-splicer method) ? as far as I remember 4 years ago on pansh line, it was a nighmare with their thin lines extensions !

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Re: Kite Lines: which ones are used by the pro?

Postby iriejohn » Thu Aug 09, 2018 2:34 pm

I have 0.62mm and 0.81mm Goodridge stainless locking wire left over from the days when I had to lockwire my motorcycles for circuit racing.

For thin rope splicing I've found that 0.62 is a little too flexible and 0.81mm works fine with 2mm Dyneema but I have never tried to splice 0.8mm Dyneema!

I would suggest that you take your rope to a nearby motorcyle workshop and try what lockwire they have then buy a short length from them.

https://www.goodridge.co.uk/products/lock-wire


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