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Wing - RSX 1540 New

  • Surface : 1540 cm2
    Envergure : 1399 mm
    Corde: 141 mm
    Aspect Ratio: 13
    Profil : RSX 25
    Matériau : carbone HR + HM

    PUMPFOIL / WINGFOIL/ SUPFOIL / DOWNWIND / PARAWING


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Availability: En stock, livraison rapide

939.00€ inc. tax

alpinefoil WINDFOIL WING LIGHT WIND wingfoil CARBONE RS600

RSX 1540 AR 13 : Pumpfoil, Downwind, Wingfoil Light Wind , Parawing

The RSX 1540, with an aspect ratio of 13, completes the existing RSX range while bringing new possibilities.

For this RSX 1540, we defined a rather special specification. We wanted it to be able to be used as a lightwind for wingfoil, but above all as a pump foil for downwind and glide on micro-bumps.

The idea behind the RSX 1540 is to make it possible, for example, to pump waves generated by a boat or simply the swell caused by the wind.

The RSX's excellent manoeuvrability, in relation to its wingspan, makes it easy to position in the water's thrust zone.

Another feature of the RSX 1540 is that it has been designed with SUP foiling in mind, whether for flat-starting on flat water, downwind paddling or learning to parawing. The RSX 1540 AR13 is distinguished from other RSXs by a slightly modified profile that favors low-speed takeoff the camber of the profile has been reworked, even if it retains the same base as the RSX of other sizes.

The outline (external shape seen from above) and arch (shape seen from the front) are identical to the other RSXs in the range. This outline offers excellent handling; in terms of surface area, the 1540 will have a turning radius comparable to a 1350 kite with wide tips, i.e. about the same as the DW1370. The RSX arch also allows the tips to be lifted out of the water without causing under-wing ventilation, which could destabilize the foil in turns, a phenomenon observed on DW wings.

In terms of low wingfoil range, the RSX 1540 will take off earlier than a DW1680, but above all will offer a much more pronounced glide.

To sum up, the RSX1540 stands out for its versatility, meeting the needs of Pumpfoil, SUP foil and Wingfoil with a marked orientation towards glide. RSX models benefit from high-modulus carbon construction, ensuring optimum rigidity despite a relatively narrow string and high aspect ratio. Entirely designed in France with high-quality materials, manufactured in France and Europe, this wing is still offered at a very competitive price.

Aile pumpfoil alpinefoil dk1499 rsx 1540 ar13 0408
Rsx1540graphe

Alpinefoil, French manufacturing, and a versatile multi-board design!

In recent years, we've seen a real game-changer in foil sports. Nowadays, practitioners are multidisciplinary: they do wingfoiling, kitefoiling, windfoiling, downwind SUP foiling, and even pump foiling.

For this reason, Alpinefoil’s philosophy focuses on compatibility with all foils across all the disciplines of our brand. When we develop a new wing, we always take a cross-disciplinary approach. This means that the wings we design can be used for both wing foiling and other foil disciplines. Of course, they might be slightly more tailored to a specific discipline based on their characteristics, but fundamentally, everything is designed to ensure they perform well across various practices.

Moreover, all our wings are designed to be compatible with all the brand's stabilizers. The choice of stabilizer will depend solely on your preferences, skill level, and what you're looking for.

Designing foils: the impact of aspect ratio on performance!

Alpinefoil comprendre l aspect ratio d un foil 24b

What is the aspect ratio (elongation) of a foil wing?

The aspect ratio, like the area or wingspan, is one of the key characteristics of an airplane wing or a foil wing.

The aspect ratio of a wing is a term used in aerodynamics and sail design to describe the relationship between the wingspan (the distance between the tips of the wings) and the wing area. It's calculated using the following formula:

Calcul de l aspect ratio d une aile de foil

A high aspect ratio means that the wing is long and narrow, while a low aspect ratio indicates that the wing is shorter and wider.

Implications of the aspect ratio:

Performance: Wings with a high aspect ratio tend to provide better lift and reduced drag in the air/water, which can improve efficiency and speed.
Maneuverability: Wings with a lower aspect ratio are generally more maneuverable and responsive, which can be desirable in disciplines like freestyle or surfing.
Stability: A high aspect ratio can also contribute to better stability in flight, while a lower aspect ratio may make the wing more sensitive.
In summary, the aspect ratio is a key factor in wing design, affecting performance, maneuverability, and flight behavior.

Alpinefoil, the only foil manufacturer to keep backward compatibility of its wings across all disciplines!

We’re committed to not repeating the mistakes of the past, especially those we encountered during our windsurfing days. Over the years, some board brands have changed how their fins connect, forcing users to switch boards just to use the latest fin models.

When we started designing and manufacturing our foils, our top priority was to create a universal fuselage/wings connection system that could accommodate nearly any foil wing shape out there.

Thanks to this mindset we kicked off back in 2010, all wings designed since then are compatible with all our foils. This approach makes Alpinefoil the only brand to have adopted such a compatibility-saving strategy, ensuring that your investment won’t lose value due to compatibility issues. It’s worth mentioning that some used foils currently lose up to 90% of their value simply because the manufacturer didn’t maintain backward compatibility.

The Reviews on the new Alpinefoil RSX860 AR13 foil wing

Banjoo Kaf

Wingfoil Rider

GAME CHANGER !! This RSX is a game changer! Glide ratio 13Glissssssssssse! A condor! Normally, I wait for quite a few sessions before giving feedback, but right from the second session, it was clear! I'm really surprised by how this wing glides; it opens up new horizons and sensations! The glide is incredibly enjoyable, like well-waxed skis or high-end roller skates! Its aspect ratio and slenderness might look intimidating at first, making you think it's going to be technical, but honestly, it's very easy to take off and pilot. There's no need to pump out of maneuvers; it just glides, glides, glides! Of course, it may turn a bit wider than a DW of the same size, but this RsX 840 takes off easily, just like the DW 980, and it glides way better, allowing you to enjoy every little bump to keep gliding! I was surprised because I was trying to pump much too early out of a slight slope, but with this RSX, you can double the glide distance of the DW 980 when you're downwind. Despite its relatively small chord, its profile allows for easy pumping. As for takeoff, I was expecting a bit of technique required, like with the RS 600... not at all, it's pretty progressive—take off by gaining speed or by pumping... easy. The most surprising part is the maneuvers; since it continues to glide for a long time, it feels effortless. Of course, I started pushing into carving, and I'm nowhere near exploring all its capabilities. Personally, I was a fan of the Regatta back in the day, and I was eagerly waiting for a high-aspect ratio wing with a modern profile... here we have a front wing that combines super glide, pumping capabilities, and downwind performance. I've used it in wind conditions ranging from 8 to 20 knots so far. I'm looking forward to the next few days of strong wind to let this Condor soar faster and further. EDIT: 30 knots at Nautique, midday break, heading upwind at a crazy angle, then descending in the swell faccccciiiiiiiiiiile.... I didn't want to stop! A CONDOR!

Thomas VDC

Wingfoil Rider

The winning trio?  
Yesterday was the first test of the RSX 860 on the last day of the tram at the old new spot in 25 knots. It's not really its preferred terrain, but I like making adjustments there.

I started out with the 600 to send it a bit (I was stuck at 27 knots..........) and then switched to the RSX 860.

Usual adjustments for me with rake at 1.5 and stability shim at +0.7 on the HA 165 stab because I like to have support on the front foot.

After testing several mast positions, I ended up 0.5 cm forward from my reference for the RS600. At the same level as the DW840.

In summary: it's a 980 but better! It glides, it glides twice as far and reconnects the little bumps, goes at least as fast (24 knots peak yesterday) with a decent low-end and takeoff that’s almost as good. Once you start pumping, it doesn’t stop and it doesn’t even take much energy. The downwind and upwind performance are much better too. It’s really not an 860 in the traditional sense. It corresponds more to a 1000 with a lower ratio. So don’t be afraid of the smaller surface area. When it comes to maneuvers, it’s super easy. In turns, I’d say it’s different from the DW range. More about the glide and a bit less about support. It’s a true wing for upwind and downwind!

But is it the holy grail? The all-around wing? For my practice, no! I won’t be jumping with it! It’ll be more of a workhorse for messy bumps where you want to go up and down the spot, or for conditions with swells up to 1m to 1.5m. For bigger stuff, I’ll stick with the DW840, and to go fast, the RS600. They complement each other. I went from the trio of 600/750/980 to this new trio, and it’ll adapt to the day’s wants and conditions.

Thanks, Damien Chaboud, for these amazing toys!

Happy riding!

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William Papaz

Wingfoil Rider

A big kiss and some beautiful waves, yes, yes, gentle water waves, but with over 1.5 meters of depth in a short period, it creates some slopes!!

So, this is the heart of the RSX program!!!

After testing it the day before in light conditions, where it was already great on the cap, with jibes and tacks even better on the 95cm mast,

I can now really say, as a beginner in freefly, that this wing is absolutely amazing!!!!

I started with my usual settings all at zero and the same mast position at 4 meters with gusts of 20, 25, then 30 knots, and the conclusion was already clear: it starts pushing as soon as you engage in the wave, and it glides super well, it’s smooth. However, after an hour on the water, I went back to the shore to move the mast back 2cm, as Damien Chaboud recommends.

Back on the water, it was top-notch! I made some real descents and followed the pumping crests to catch the next wave, yes!! In short, a door has opened for me thanks to the RSX.

The best part is that there’s plenty of time for maneuvers and recovering the wing at the end of a free fly; it’s easy.

I still have a lot to learn, but I'm really happy with my purchase.

An important point is the remarkable stability. Kudos for this innovation, AlpineFoil.

Reviews of the new RSX860 Wingfoil and Pumpfoil

Banjoo Kaf

Wingfoil Rider

Tested the RSX 860 AlpineFoil in light wind and dock starting with Diego Roxer. Glide, glide, and more glide—13:1 ratio with super thin tips, it's super maneuverable and really picks up speed! It’s not a wing for jumping, but for gliding. Today, the wind was weaker than in the video: 8-12 knots, yet it still allows for smooth gliding and executing impossible turns, especially when the wind is usually that low! I had an 85 kg rider give it a try, and he was flying just as well. #wingfoil #wingfoiling #dockstart #surffoil #hydrofoil #alpinefoil #kitefoil Emeric Polin @banjookaf

Review of the RSX860 Wing in Windfoiling

Romuald Postic

Windfoil Rider

New RSX860 wing arrived this morning, so I’m trying it this afternoon. The wind is really inconsistent, between 8 and 13 knots. I'm going out with the 8m and it feels like it takes off almost as quickly as the Regatta 1100, but it accelerates as fast as the Regatta 850. The wing is super stable in jibes, though it does require a bit more speed than the 1100. I can’t wait to try it in stronger winds!

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Review of the RX860 wing in Kitefoil

Frederic Artru

Kitefoil Rider

Testing the RSX860 with a kite

Tested with the Pocket Carbon 112, Rave Max mast, titanium fuselage, 165 stab. Slingshot UFO V3 in 10, 8, and 6m².

Spot: Oleron, Les 3 Pierres. Winds between 6 and 24 knots.

16 sessions and 600 km on the RSX860.

100% satisfied with this new kite that I've been lucky enough to have since the beginning of the month.

Ultra light wind: despite my weight of 84kg and the low volume of the pocket, I managed to ride in super light conditions at 7/8 knots. It’s always tricky to measure the wind, but I can say that none of my friends could go out despite using 12m kites, more conventional 1200 cm² foils, and boards that float better.

What’s impressive is that once you're up and going (not easy with a board that has no volume), the planing is surprisingly sustained! In lulls where the wind must have been around 5 knots, just pumping a bit gives power back to the kite thanks to the speed created. The same goes for the jibes: a kite loop, and even if you slow down a little, just pumping a bit on the foil tightens the lines again and regains power in the kite.

One constant: with the power generated in the kite (I should say speed, since it’s really not pressure on my feet), I have to go down one or two sizes in the kite.

At 12 knots, I easily manage with my 6m² UFO.

Behavior in stronger wind: tested up to 22/24 knots: no issues at all...

As for speed: very satisfied, it seems to glide better than the DW750.

Speed isn’t my specialty; I only have the data from my Suunto watch, and I'm not sure how reliable that measurement is.

The only speed data I have is an average over 1 km, and I clock in at an average of 18.6 knots. Choppy water, waves breaking, and a Slingshot UFO that isn’t a speed kite.

For comparison, I think my best time was in the RS600, and it might be about 1.5 knots faster.

So pretty satisfied with the RSX860 for a kite that works in ultra light conditions...

The question of maneuverability remains: quite surprised because I’m not hindered by the wingspan. Jibes are smooth, and I can pivot in a short radius (especially at low speed). One thing I can't fully explain is that during low-speed maneuvers, I sometimes feel like I'm "swaying" a bit from side to side, which requires some attention. It feels a bit like the long mast effect, but mainly because I'm going really slow and landing "straight" on the foil.

Conclusion: I've fully embraced this RSX860, and in the past month, I've only used the DW750 once in 4m², with 2.5m waves and over 25 knots (I only had two sessions on the RSX, and I didn't dare to test it in those conditions) and once on the RS600 for speed.

This RSX860 is an awesome kite!

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