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Duracell 3rd July 2010 01:58 AM

iS 121 recommended sail sizes/wind range for 80kgs?
Hi Team,
Hi All,

on my iS 121 is a table stating recommended fin sizes for different sail sizes

Question: what wind ranges would you recommend for each sail to complete that table for a 80kg guy?

Hoping to hear something

Remi 3rd July 2010 11:36 PM

Hi Duracell,

This grid should be good for you :

iSonic 121 : 7.5/Sl4 42 ; 8.6/R16 44 ; 9.0/R16 46

All the best

Duracell 4th July 2010 03:47 AM

Hi Remi, you didn't even address the question asked...

the question is which wind ranges go along with the table of fin sizes / sail sizes printed on the board for a 80 kgs guy...

mark h 4th July 2010 07:53 AM

Only you can answer that one Duracell. People (regardless of weight) are comfy in different wind strengths, example: some can lock a 9m in 25k gusts no problem (fact), others can't/will not do that, and are comfy holding a 7.5m in 25k. Its an impossible question to answer as there is more than one way to cook a goose:)

Duracell 5th July 2010 12:53 AM

I don't live right next door to world class racers so I don't have the chance to just look and see what they use (and how). So, stupid as I am, I just ask, nor harm doing that or? I've made the experience that you learn some small thing almost every time out. Benefiting from other peoples experiences is what I was hoping for, so if you have something to share: spit it out (that is what this forum is about right?).

AlexWind 5th July 2010 03:44 AM

Not from the team but from my experience..this is a very difficoult question and there are many aspects that are involved, and I kinda share mark's thinking..

I'm sailing iS 75cm for 3 years now and all that I can say is: in flat, little choppy water I (72kgs) like to sail 9 till 20 and 7.7 from 20 to maybe 26-7. I was on water beyond these limits with both sail sizes but it become a bit unconfortable. It also depends if you're freesailing or downwind or on the reach, etc..
With more chop this limits goes down but I can't really say: ehi with 17kt of wind and 50cm chop the best is XY because it's subjective and depends on where you're sailing/how you like to sail/which type of sails you have/which model etc..

Not much shortcuts here, except for the excellent fin-sail size chart that Remi gave you, just have to find your best combo..

Ken 5th July 2010 08:41 PM


Good advice from Alex and Mark, and unfortunately, this one you will have to figure out for yourself through trial and error.

We all "scramble" when arriving at the beach and are trying to figure out what sail to rig. All of the below come into play including asking all your buddies what they are using and on what board.

Skill level of sailor
Body weight
Fitness level of the sailor
Board (weight, width, type)
Type of sailing (speed, slalom, longboard, formula, bump and jump, freestyle, wave)
Wind speed and direction
Wind forecast
Sunny or cloudy (clouds tend to kill the wind)
Water state (smooth, chop, waves, boat traffic)
Racing or freeriding
Limited time at the beach or the whole day (rig big if you only have a short time)
Goals (fun, top speed, racing, jibing/tacking practice, etc)
Point of sail (reaching or upwind and downwind)
Type of sail (RAF or cambered race sail)
Fin size
Water and air temperature (do you want to fall in or not?)

Choosing a sail size requires skill and experience to get it right, and even the most experienced get it wrong from time to time.

Make notes every time you come in from a sail. Eventually, you will build your own chart of what size to use.

It's all part of the windsurfing experience. Have fun.

Duracell 7th July 2010 01:48 AM

OK, rephrase question: what wind ranges would a world class slalom sailer use along with that table on flat or choppy water (<1m)?

mark h 7th July 2010 02:21 AM

iSonic 121 for heavy PWA sailors.

7.5/Sl4 42 - 20k to 30k

8.6/R16 44 - 15k to 25k

9.0/R16 46 - 10k to 20k

Just guide only:)

Duracell 8th July 2010 02:49 AM

how does that translate for a 80 kg sailor for the following sails only?

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