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Swift Nyos RS

The original Nyos was a bench mark in high end B gliders for SWING, now with RS, this surely has to take it into a new class all of it's own.

The NYOS was the glider flown by Didi Siglbauer to win the DHV-XC two years in a row. The success strategy behind this glider is entering its next phase with the NYOS RS!

The main difference between the NYOS RS and the NYOS is the fact that it is much easier for pilots to tap into its performance potential because of the increase in stability and control.

What Swing say:

Requirements for the NYOS RS

“Can’t you make it with much higher aspect ratio? It’s just so easy to fly!”

That’s what we heard most often from pilots flying the new NYOS RS during field testing.

Yes, we can do that - and we have! There was minimal performance increase though since there is little room to improve glide and climb within the EN-B class.

In our opinion and from what we have experienced, the NYOS RS is the easiest and most pleasant glider to fly currently available in the high end B category. The pilot stays in full control even in incredibly turbulent conditions, thanks to RAST. If there are nevertheless any disruptions, in the vast majority of cases, these are stopped by the “wall”. Dynamics, demands on the pilot and loss of altitude are often even less than with current EN-A gliders. The more turbulent the air, then the more marked the difference from gliders without RAST. When pilots flying gliders without RAST are already starting to notice unpleasant turbulent conditions, the NYOS RS continues to convey safety and a good feeling during flight.

We are confident that there is no other glider available which matches its combination of safety, damping, performance and handling – making the NYOS RS the first in a new class, the comfort-performance class!

NYOS RS - an innovative work of art


The NYOS RS uses the latest generation of our bulkhead partition system with non-return valves and perfected tension distribution.

A third level of tension is created above the pilot (in addition to the leading edge and trailing edge tension), providing a completely new feeling of stability.

The NYOS RS is now brought into the EN-B performance class for the first time by this new RAST feeling, which you can read about in all test reports of other SWING gliders with RAST.

It would be hard to get a more functional design of the RAST system under the certification requirements than we have with the NYOS RS. It was very difficult to provoke the collapses required for certification in the specified measurement field. The norm would have to be altered for even greater stability. Collapses across the wing chord and front stalls with great loss of altitude are extremely unlikely with the NYOS RS. We have not yet experienced any collapses or front stalls in actual flight where the folding angle was not reliably stopped by the RAST wall – and before the pilot was able to intervene. Our test flights and simulations are not carried out only over water. Particularly in testing RAST, we intentionally seek out challenging flying days in the Dolomites during spring and summer, so that we get findings under real conditions!

The result: it has never been so easy to use the full performance potential of a paraglider even in tough conditions – thanks to the 10 advantages of RAST.

Nitinol-leading edge reinforcements

The leading edges need to have the most stable shape possible when it comes to maximum performance and stability, particularly at full speed.

The disadvantage of traditional plastic stiffening is that it has a predetermined curve, which can reduce stretch in the leading edge.

The solution is to use rods made from the high-tech memory metal Nitinol.

These are inherently straight and stretch the leading edge like a drum, when fed into the guide channels.

Nitinol is a nickel-titanium alloy used in medical engineering because of its dimensional stability, e.g. in dental braces, glasses frames and fixation devices.

All leading edge reinforcements for the NYOS RS are manufactured from this quality material. This means that you neither have to pack up the NYOS RS painstakingly cell by cell, nor leave it unfolded if you are not flying for a long time.

Simply roll it up, compress it firmly and you already have the pack size of a small mountain glider!

Modern new fabric

You can’t fail to notice the new glider fabric used for the NYOS RS. It is shinier, comes in a range of new colours and feels different to the touch from regular fabrics. The material was developed in close collaboration with our supplier and was optimised for use in paraglider manufacture. The new high-tech fabric is extremely lightweight and stands out because of its above-average form stability, tear resistance and durability.

Optimised profile

The profile of the NYOS RS is a logical refinement of the tried and tested Nexus profile. Most performance gliders fly best at the upper limit of their specified weight range. This is not the case with the NYOS RS: speed and performance are nearly identical across the entire weight range.

Consistent lightweight construction

The profile ribs and diagonal ribs have been made thinner, without weakening the strategically important load points. The diagonal ribs are sewn down along the cut edges (and through to the back in the C/D level) so that they stay the same length over a long time even in tough conditions.

Riser perfected for accelerated speeds

It's not much help if a glider can fly fast but your kneecaps suffer in the process! That’s why we spent a good deal of time and energy on the risers for the NYOS RS. Minimal force is needed when accelerating and the full throttle position can be held for a long time without causing cramp.

C steering

We had originally linked the C-riser steering with the B-level. In practice we couldn’t find any advantage to this with the NYOS RS: deployment force was too high and too much speed was lost on stabilisation. What has proved most effective is the C-bridge, where the wing tips and the centre section can be stabilised separately or together, depending on how the C-bridge is pulled. This is used in the NYOS RS and allows precise adjustments even at full throttle, without losing speed.


We thought a lot about how to describe the NYOS RS as objectively as possible and without exaggerating. Anyone who has ever flown the NYOS RS agrees that the NYOS RS is incredibly simple to fly, particularly in turbulence and strong thermals, really fun, and you feel extremely comfortable with this glider.

The NYOS RS is for us the ultimate comfort-race machine for your XC adventures!

Feel the difference!

Other Reviews

You should check out this recent rave review from highly respected top paraglider Ziad Bassil: Swing Nyos RS Review March 2018

Feel the difference!

LTF homologation   B B    
CEN homologation   B B    
Take off weight (kg) min./max. incl. Equipment 65-80 75-95 85-105 95-115 110-135
Cells 61 61 61 61


Wing area (m²) 22 24,7 27 29,4 31,7
Wing area projected (m²) 19,2 21,2 23,2 25,2 27,2
Wing span (m)   11,2 11,9    
Projected wing span (m)   9,5 9,9    
Aspect ratio 5,7 5,7 5,7 5,7 5,7
Projected aspect ratio 4,2 4,2 4,2 4,2 4,2
Glider weight (kg)   4,7 5,0    
Max speed (km/h)   52 ±2 52 ±2    
Trim speed (km/h)   38 ±1 38 ±1    

Testimonial from Robert Smith of Wessex HGPG Club.

- the current leader of the Overseas XC League flying a Nyos RS in Small!

The Nyos RS, Swing's current offering in the high-end B category, is presented as “the
ultimate comfort-race machine for your XC adventures” - a wing to enable the pilot to
remain comfortable when flying fast in strong conditions. So is that claim justified or
hollow marketing hype? Here's my opinion........

To put my review in context: I have 2500 hours airtime and fly around 160 hours per year,
mostly XC in the Swiss Alps, often in robust conditions. I have moved away from EN C
and D wings, now preferring gliders with relatively modest aspect ratios, to minimise
fatigue and enhance concentration on long flights. So it appears that this glider could have
been designed for me! I have no relationship with Swing or any other manufacturer.

First impressions

I acquired my Nyos RS in April 2018 and have now clocked up 100 hours on it in a variety
of conditions. It's a size S, with a recommended all-up weight range of 75-95kg; my
loading without any ballast is around the mid point of 85kg. It was delivered with the
excellent Sherpa rucksack, tube bag, compression strap, manual, and cap.
Initial inspection reveals a well made glider, as one would expect from a long established
manufacturer like Swing. The fabric appears shinier and somewhat lighter than average,
but the wing is not a full-on lightweight. The leading edge has a traditional profile rather
than a shark nose, and Nitinol rods are used to retain its shape. The risers are 12mm
wide, with three main lines on each side, which are sheathed and colour coded, but the
stabilo line and upper cascades are unsheathed, requiring some care to be taken at
launch to ensure freedom from tangles. The risers look complicated at first glance due to
the split As and Cs, and the C-bridge (of which more later), but are straightforward in use.
The brake handles have swivels and are attached to their rear risers with magnetic clips
rather than poppers. The standard of materials and finish is high, with some nice touches,
e.g. Ronstan pulleys and a choice of brake handle inserts of different stiffness to cater for
individual preference.

The “RS” in the wing's name means that it has been designed with “RAST” – a system
developed by Swing to block chordwise airflow inside the canopy in order to decrease the
extent of collapses and prevent them reaching the trailing edge. A comprehensive
assessment of this innovation is outside the scope of this review, but I will refer to it later.

Early experiences

Before flying, I spent a little time ground handling, which was every bit as straightforward
as one would expect for an EN-B glider with a flat AR of 5.7. I was pleasantly surprised at
the ease which which I could accomplish forward inflations in nil wind, supporting Swing's
claim that RAST helps back wind launches.
My first flight took place in late April in the Swiss Alps, with sharp edged 3-4m/s thermals
and a robust valley breeze gusting up to 30km/hr. As I hadn't flown for seven months, it
was a challenge for both wing and pilot! The brake travel is relatively short for an EN B,
feeling to me more like an EN C's, providing an enjoyably quick response to inputs. I
found it easy to tune in to the feedback and handling, and the wing provided enough
information about the turbulent conditions for me to react to them appropriately, but without
causing undue anxiety. Despite the choppy conditions, the Nyos RS felt stable when

My next experiences were in the UK, on small hills and in gentler thermals, with a few
strong wind launches. Although it comes up quite quickly for an EN-B, even just leaning
back and guiding it up with the central A risers, it isn't difficult to control in breezy
conditions. The original Nyos had a reputation as lacking performance in light lift, but I
noticed no deficiency in weak conditions alongside other wings.

Getting properly acquainted

At the start of June, I returned to Switzerland and my flying season began in earnest. I
start most of my flights from Fiesch, the country's premier high alpine XC site. This is a
popular location, enabling me to compare the Nyos RS with a range of other wings. The
area is famous for its robust thermals and valley winds, with the inevitable accompaniment
of significant turbulence. I like to be well loaded in such conditions, so I ballasted up to
92kg, towards the top of the certified weight range (95kg). I found that this significantly
improved my authority over the wing, especially in small strong cores, and further
enhanced its stability. However, when flying other sites in gentler air, I prefer to be right in
the middle, at 85kg.

The reluctance of the glider to deflate is impressive. I have found myself in some quite
unpleasant air several times now, with feedback which led me to expect an imminent
collapse, but only twice did the wing fail to remain fully open. That small a number of
closures in almost 100 hours around Fiesch is evidence of remarkable stability, and both of
them reopened immediately without the need for any input. I have had no deflations when

I immediately took to the C-bridge system, having become completely accustomed on
previous wings to using rear risers instead of brakes when on glide. This is a strap of
webbing running horizontally between the split C risers. I quickly found that on leaving a
thermal it felt natural to hook my fingers over it and use it in the same way as a normal C
handle, and this has now become my default flying position when not in lift. Swing advises
pulling on the side of the outer riser for directional adjustments, and the inner for pitch
control. It took me some time to get dialled in to this technique, but it works well, and I
discovered that in aggressive thermals it's even possible to make sharp corrective inputs
by tweaking the outer C riser rather than pulling outside brake, with less loss of airspeed.
Another Swing pilot told me that the C bridge can be used to pin the wing down when
ground handling in windy conditions, but I haven't had an opportunity to test this out.


The Nyos RS responds to brake inputs without delay, and can be made to turn flat as
tightly as a wing with an AR of 5.7 should, especially at heavier loadings, when it has
excellent resistance to being pushed out of strong lift. Flown in the middle of the weight
range, the wing remains pitch neutral when entering moderate thermals; if it's loaded near
the top, only stronger lift is capable of inducing any rocking back. In the type of sharpedged
cores when every paraglider is getting pitched back to some extent, the Nyos RS
(well loaded) appeared more resistant than any other B wing I flew alongside, and quite a
few Cs as well. Its solidity in these conditions is exceptional; whilst pilots on higher AR
wings can be seen working to prevent or minimise tip tucks and control pitch, it just
remains calmly overhead without needing significant input. In small strong cores, it's not
difficult to outclimb 2-liners due to its manoeuverability. In weak conditions, I found that it
holds its own perfectly well with other Bs and Cs at mid-point loading, but when ballasted
up I felt at a disadvantage. Perhaps I need to work on my technique here!


There are plenty of long transitions around Fiesch, so I have had the opportunity to
compare glide performance alongside a range of wings; however, one is never aware of
the relative loading of these air buddies, nor of how much bar they may be pushing. In
smooth air, the Nyos RS seems to glide as efficiently as any other B wing. Full speed bar
appears to add 14-15km/hr to my trim speed (when loaded at 92kg). Adjusting
acceleration to maximise the glide ratio number shown on my instrument suggests to me
that it's only in the upper half of the range that L/D deteriorates significantly (but I don't
think you'll find any B wing with a good top speed to which that doesn't apply).
However, the numbers are perhaps less important than the stability and comfort in rough
conditions, which is truly exceptional and in my opinion one of the greatest strengths of the
wing; the more it's accelerated, the more solid it feels. The severity of turbulence which
induces me to back off on speed is much greater than with any other wing I've ever flown.
After just a few hours, I discovered I was instinctively pushing half bar as soon as I left lift
unless there was a reason not to do so.


This acronym is short for Ram Air Section Technology, an internal barrier located between
the B and C attachments to reduce fore-aft airflow within the canopy. Its main purpose is
to limit the extent of deflations. I was able to see it in action when I had a full collapse after
falling out of a small 7m/s core straight into sink. Failing to check the dive in time to
prevent slack lines, I was aware that a big hit must be imminent and looked up at the wing.
The deflation stopped at the partition line, exactly as can be seen on the videos on Swing's
website, then reopened immediately and the wing was flying normally again in the space
of a heartbeat.

I have already mentioned how straightforward I find forward inflations, another claimed
benefit of this technology, but reverse inflations in light conditions also seem easier than
expected. The other characteristic which I noticed that could be caused by RAST is that
the resistance (and response) to abrupt brake inputs seems to be much greater than
normal, presumably because these deflect the whole of the rear section, rather than just
the trailing edge.


Swing's claim that this is a great glider for XC in strong conditions is spot on. It thermals
and glides in rough air with calm efficiency, damping out the effects of turbulence but still
communicating well with the pilot. Whilst easy to fly, it doesn't feel “dumbed down”. It may
not be a top performer in weak lift when heavily loaded, but in the middle of the weight
range it doesn't lose out in this area. I doubt that there is another glider which is as
comfortable to fly in turbulence that performs as well as the Nyos RS. Although Swing
seem to be aiming it at experienced pilots who want a less demanding wing than they are
capable of handling, I consider that it would also be suitable for competent pilots
progressing from a low or mid B who want to focus on XC.

Please note that contrary to our normal shipping, gliders and related kit will, if in stock, be delivered in around 3 to 5 working days. Some popular glider models and colours can be out of stock with the manufacturer and can take several weeks to arrive. If you have any queries about stock, delivery times, or would like to book a test flight please contact Gareth either by E-mail or phone on 07493 419909. Please note that there is a shipping fee for orders below £3000.

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