Our design process is based on rider feedback. We read and answer all your messages. Some of them get published here so as to build a growing knowledge base.
Question: I have ordered a 2017 Goya Bolt Pro 115 and a Goya Mark 8.5 2017.
I already have the 2014 Goya Nexus 6.4m2, 6.9m2 and 7.5m2. I think the sails are still in excellent condition and are very good.
What difference would there be between the 2014 Goya Nexus 7.5m2 and the 2017 Goya Mark 7.2m2 or 2017 Goya Mark 7.8 m2 Mark, apart from one batten and the sizing differences ?
Would a Goya Nexus from 2014 (assuming it is in mint condition) still have the same power delivery and speed (using the same board) as the equivalent or near to sized Mark ?
Thanks for your assistance.
Answer by Jason Diffin: Thanks for your mail and inquiry!
Main difference between ’14 Nexus 7.5 (7 batten) and ’18 Mark (6 batten all sizes) is yes, batten count, and also general cut and performance.
Less battens equals less weight, and as I was developing the 3 batten wave concept I realized that my carbon stretch control system was doing so so much to stabilize the drafts int he sails that I basically dropped a batten off every model in the line up.
Question: I bought a Nexus 5.9 2016. Which mast is better for it, SDM or RDM?
Answer: Thanks for your inquiry and thank you for choosing Nexus!
RDM and SDM are both good, they just offer different things-
RDM offers easy rigging, softer feel, nice hand contact when sailing, and potentially super strength.
SDM locks more power lower in the sail, which can be advantageous for heavier sailors,,, or sailors who prioritize speed over maneuverability… Also, the increased diameter means thinner wall mast to achieve the same stiffness. SDM masts can be very light and “race-ey”…
Our mast range as a point of reference-
We have a nice 70% SDM on offer for the first time this year- very nice blend of light and strong as our single SDM option at the moment.
Our 90% RDM offers excellent feel, nice weight with excellent strength.
Our 99% RDM is an awesome super lightweight option for flatwater/bump/jump use only- the mast is very light and not meant for breaking waves of any kind… The feel in the hands is electric though- for me this is the next level up feeling in a windsurfing rig,,,, just magical…,,, unless there are waves hunting you….!!! ha ha ha
Our 70% RDM is actually lighter than the 90% RDM and offers a great blend of weight, feel and strength.
To find the best option, just have to describe your sailing (aspirations) and plug in the mast.
Hope this info helps!
Please let me know how you go with the mast you choose on the Nexus 5.9…
-and just let us know if there is anything more we can do to help.
Question: Is it incompatible/hard to rig the Nexus 9m 2014 to SDM masts? Looking to buy this sail, so I’ve read this review (http://www.windsurf.co.uk/test/goya-nexus-7-5m-2014-test-review/), nothing else found on the internet about the specific 9m sail. I am a little bit concerned about rigging on SDM mast and the difficulty of rigging. And also what kind of bending curve should that mast have?
I weigh 90 kg/185cm-looking for sailing in 10-15 knots, flat to choppy.
Answer: Thanks for your mail and question.
Yes, Nexus 9.0 2014 works well on SDM masts.
Also, that Nexus 9.0 will work well on a range of SDM bends, but the basic target is IMCS-30, bend curve 64% (bottom) 77% (top). It’s OK if the mast you use varies a bit from that.
At your weight and height 90/185, the 9.0 Nexus will be a great light wind engine to get you moving- and handle well when powered up.
Hope this info helps!
Wishing you good winds…
Question: Does the Goya Nexus rig satisfactorily on No Limitz Skinnys or Powerex RDMs in the appropriate length? Are your masts considered constant curve or flex-top?
Answer: Goya masts are considered flex top in lengths 370, 400, 430, and more of a constant curve bend in the lengths 310, 340, 460 and 490. Nolimitz masts tend towards constant curve in every length listed here. So, to answer your question- Nexus requiring 460 or 490 will rig OK on NL, 430 is not as good but basically OK. Nexus 4.3 and 4.9 really do much better on a Goya mast.
Question: Is there a difference between the 2013 and 2014 Nexus?
Answer: Nexus 2014 is changing from 2013 quite a bit. Materials and shape wise, so sails will have pretty much the same structure as our wave sails. It is looking pretty amazing. We will have shots and renderings soon.
Question: Are the battens in the 2013 Nexus flat or round?
*Composite tube brings stiffness, supporting a smooth, straight, fast airflow release off the leech of the sails.
Question: Is the Nexus compatible with standard diameter masts?
Answer: It’s SDM compatible for sizes requiring 430, 460, 490 masts.
Question: Nexus and Freesurf Eco can be used with SDM masts? (approx. 5,3 + 6,3 sizes). What is approx. weight of these models and do you have them on stock?
Answer: Freesurf and Nexus are SDM compatible in lengths 430, 460 and 490 only.
Question: Assuming you’re on Maui our worlds could not be further apart… today I have been skating the ocean ice with my kids to the closest islands, something we very seldom can do here. Very beautiful but it feels like it will be a long time until we carve bottom turns here again. Thank you for explaining your design concepts. I was aware of the size modifications of for example Guru and similar sails but I didn’t know how dramatic they were in Nexus. With the level of individuality of Nexus in mind, don’t you think it would be possible to expand the individuality even further and apply the same idea in a pure wave sail? I guess that is my original question. For Nexus you have identified three different applications and designed the appropriate size accordingly. If you would design for three applications for a wave sail I can see may advantages compared to selecting a line/suite/quiver (I don’t know the word) out of two or three different sail designs. An example of such a selection from Simmer would be BT5.4, BT4.8, iC4.2, MX3.7, MX3.3. Few sailors I know would dare to make that selection being concerned about different handling/feeling and required number of masts. This is where I see a potential for a new wave sail design, an elaborate design with a similar handling/feeling and as few mast lengths as possible. Such a design could perhaps replace a manufacturer’s need for two or even three different wave sails. A wave Nexus perhaps? Do you think it could be done? Which obvious disadvantages do you see? Why hasn’t anyone done this already?
Answer: The thing to remember here is that what you are proposing already exists.
It is a common strategy, and one I use myself, to choose key sizes from each model to suit your particular needs.
For example- I spend 4 months every summer sailing in The Gorge. I choose the control and easy feeling of the GURU up to 4.7, then go for the direct power ECLIPSE in sizes 5.0, 5.3, then from there I use NEXUS in sizes 5.9, 6.4 and +. This is my standard Gorge quiver, and it also works well when I go to the Oregon coast to wave sail (sizes 3.7 – 5.3).
The 5.3 ECLIPSE uses 400 mast, so that gives me basically 4.2 – 5.3 with one mast.
So what you are asking for is already available- You just have to choose what is right for you from the different models.
Here’s another point regarding why we have 10 sizes in one model-
Take GURU or ECLIPSE again, for example-
You have to keep in mind that I’m designing those sail ranges for people who weigh as little as 50kg and as much as 100kg.
The 50kg rider (and I have quite a few of them actually) may have 3.7 as their largest sail (GORGE), whereas the 100kg rider’s smallest sail is going to be a 5.0, and then they go up in size from there.
It’s an extreme example of weight variation, but regardless of the weight of the rider- they are all looking for the same thing from any particular model- power, speed, control, and durability. So, that’s why the “same” model is available in such a wide size range.
Any more comments, please let me know!
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