Wings/ Masts/ Fuselages

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Understanding front wing sizes

“I designed our foil wings naming them S M L XL etc … so that everyone can easily find their way around.

You have to see it as follows : after progressing on a Curve L, you might want to evolve on a Fluid for example. Well, the size you need for the Fluid would be L again.
Indeed, it’s the change of program that is judged: you go from a versatile and easy surfer wing, to a faster and very manoeuvrable wing. But your weight remains the same, so does your spot, and the wind range in which you use it too.

The right size for you in one model is therefore the size that is right for you in all GONG models.

That being said, you probably also want a light wind or a strong wind front wing. The variation in available power will require you to adjust the size of the wing of your foil. (It is not an absolute requirement by the way.) In this case, you want another size, M or XL for example.

But remember that I have scaled all the wings on a single equivalence grid. An L is an L.

You will tell me yes but the Fluid L is much smaller than the X-Over L !!! It’s true and that’s precisely my job: to estimate exactly your progress when you decide to switch from one to the other and to calibrate the sizes so that you feel like in slippers with your new wing in a new program. You go from an athletic beginner to a radical carver, it is logical that the necessary surface for your performances will drop considerably. And I am the one doing the math to adjust the ranges. ” L’Ours.

Which stabs?

The stabs have a major role. They determine the stability of the foil and help the lift, but at the expense of the maximum speed of the foil.

Thus, thick stabs are slower than thin stabs, but are much more load-bearing, and therefore effective at low speed. Rectangular stabs are more stable than stabs with fine points.

Which foil mast?

Apart for launching, you have everything to gain using a long mast.

More length = more margin = easier = more efficient.

Unlike kite foil, in wing there’s little opposition to the wing because it doesn’t pull as hard. So we put relatively little angle on the mast to counter the pull. Thus mastering a large wing mast isn’t an issue.

And since the boards used are much bigger than for kite foil, the inertia is greater. As a result your foil is less crazy. Everything is calmer. So don’t be afraid of a long mast.

In choppy water, in transitions, in challenging winds, a large mast will be ten times more pleasant. Go on a mast of about 85cm, whether it is aluminium or carbon. This is the hey size.Shorter is a hassle.

Of course the must in freeride and race is the Carbon Monobloc 100cm. Absolutely magical. But the Alu 95cm are also amazing.

  • For beginners: Alu 65cm at the start then 85cm.
  • For the experienced: Alu 85cm (or 95cm in freeride), and Carbon Monobloc 85cm in freestyle and surfing or 100cm.
  • For the Pros: Carbon Monoblock 85cm for freestyle and surfing; and 100cm to race.

What technology?

You have two main choices:

1/ Aluminum foils

Aluminium foils are those with an aluminium structure: platinum, mast, fuselage. But the wings are generally made of fiberglass, or glass plus carbon.

It is easy, quick to produce, and not expensive. Ideal for beginners but limited in dynamism and therefore in performance. The biggest disadvantage is corrosion, which requires good maintenance. The multiple pieces have inevitably some looseness, even if it is close to zero with our new conical fitting.

2/ Carbon foils

All the pieces are made of carbon, which doesn’t mean they are 100% carbon. The mechanical and technical constraints often require the addition of foam, Kevlar, glass, in key areas to mix the qualities and have no weakness.

The huge advantage of carbon is its dynamics. It is not necessarily stiffer than aluminium, contrary to what many people think, as an aluminium foil is by nature quite thick. But it will return to its original shape twice as fast as aluminium.

The sensations are maximum, and the piloting is precise and light at the same time.

Solidity of aluminium or carbon mast

  • Aluminium can bend but rarely break. The carbon will return to its original shape unless you go beyond the critical point, which will cause it to break like glass…
  • Aluminum can be bent and welded, but repairs are difficult. Whereas repairing carbon is very simple.

At GONG

  • We only make top-of-the-range foils. Whether they are made of aluminium or carbon, they are well made and well thought-out foils. Our low prices can only be explained by our choice of exclusive direct distribution. At GONG you will not find Asian copies of well-known foils. We are shapers, designers, engineers and developers of our profiles, architectures, technologies and production processes, and all the skills that make a GONG product come alive are in-house.