During the development of the UFO, product longevity was a foremost consideration for us at AirDesign. Due to the fact that there is no supporting lower sail, the internal ribs are supporting higher loads, compared to that of conventional gliders. As with normal glider material, this internal rib material is equally susceptible to ageing, however, these ribs are normally located inside the glider - well protected from upper and lower sail. Keeping this in mind, we have supported all ribs with extra edging tape. The amount of extra work in production associated with applying this feature is similar to sewing a conventional glider with a bottom surface. Quality is important to us, and we did not want to dilute our high manufacturing standards.

You will find edging tapes on the trailing edge as well as in on the nose area of the glider. We could have easily just flipped the edge over and sewn it together, but using an edging tape actually also provides a benefit by keeping the exact tension required.

These features pose to increase in product weight, but are absolutely necessary to sustain and guarantee safety and durability on a long term basis.

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Read more: Details that do matter

By now achieving EN-B certification for the UFO 21, we can now officially declare the everyday suitability of this incredible glider.The first ever certification of a single surface wing has been a sensation the world over. We are now proud to announce the certification of the UFO 18.

All sizes of the UFO are easy to fly and exhibit very forgiving handling characteristics. With remarkably simple and stable launch phase response, coupled with extremely relaxed flight behaviour, the UFO is an incredibly safe and fun glider.

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The UFO is a revolutionary single surface glider with no bottom sail, developed by Stephan Stieglair and Joe Keppler. With this new design, it has been possible to reduce glider weight to just 1.7kg (in size 16²).

First appearance and impression of the UFO is that the design is completely unconventional, but we’ve built in flying characteristics to be more or less the same as what you’d expect from a standard conventional glider. 

Our main goal during development was to create a very light and usable glider. For alpine applications, it’s important to have a wing with good speed and durability. The UFO fulfils both criteria. Trim speed is around 37km/h (at 90kg, size 21) and can be accelerated up to 42km/h via a speed-system. Although using lightweight materials, we’ve incorporated durability with the integration of edging tapes along the ribs. Another direct result and benefit of the concept means that the glider has an extremely low packing volume. 

Depending on the respective wing loading, the trim speed changes and so does the character of the wing:

The green area (see chart) – represents the ideal range for intermediate pilots. The UFO flies like a conventional glider, comparable with other low-level EN-B wings.
When flown in the violet area, the wing flies faster and feels more like a mini-wing – increased speed, more agility, and greater overall responsiveness – aimed at more experienced pilots.
The UFO 21 can be flown at a range of 75-90kg within EN-B. Up to 120kg the glider has achieved an EN-926-1 (load-tested certification).

Sizing:

UFO14: Excellent option for very light pilots

UFO16: All-rounder - For light lighter pilots in intermediate style or with higher loading for that mini-wing feel

UFO18: All-rounder, suitable for most pilots

UFO21: Intermediate behaviour with EN-B

 

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Overall, the UFO flies almost like any other conventional glider and demonstrates comfortable and well-behaved all-round flying characteristics. It only takes a short time in the air to get used to the low dampening – meaning that the glider provides greater feedback in the air.

The art of simplicity…

Irrespective of whether you’re adopting a forward or reverse launch technique, the UFO inflates overhead with one step, and resists overshooting tendencies that you may normally expect within the category. The canopy design actually ensures that the glider centres itself without pilot input. 

The special concept of single-surface technology translates to enhanced lift - meaning that the lift that the 21² generates is more comparable to a conventional 26², and that’s why launching is so easy. Even on the smallest of take-off locations, it’s possible to launch effortlessly thanks to the compact dimensions of the UFO and its outstanding starting behaviour.

At first launch, the UFO feels a little different to any other conventional paraglider due to the construction. With the exclusion of the bottom sail, glider feedback is more direct in nature. The overall impression in flight is confidence inspiring. Climbing behaviour in thermals is excellent, and the glider remains stable in all conditions.


UFO Single Surface Glider - AirDesign
UFO Single Surface Glider - AirDesign
UFO packing
UFO packing

Question: “Is the EN-Norm conclusive for single surface wings, or has the UFO been pushed into this norm?”

Stephan Stiegler: “Even before the certification phase, we´ve known that the UFO is an incredibly safe glider. The EN-Norm has just confirmed our testing and collective experiences. It´s possible to undertake all manoeuvres just as you would with any other wing: big-ears, B-stall, spirals, and they all respond as normal.

UFO 18 – EN/LTF-C

The UFO 18 has obtained an EN/LTF-C certification. Important to note also was that only the brake travel achieved an EN-C ranking (NOTE: There is no B-ranking for the brake travel in the norm of classification – only A or C rankings are on the current scale). All other manoeuvres are within EN-A or EN-B norm  – therefore the UFO performs and displays behaviours in all other manoeuvres as that of an EN-B wing.

We see the wing loadings more like a recommendation than a rule – as even with higher weight loadings, the UFO is easy and safe to fly. Agility and speed will increase and the wing feels more like a mini-wing. Flying within the EN weight range, the UFO feels like flying a low-level EN-B wing.

The outstanding characteristics like smallest packing volume and easiest launching abilities also highlight the versatility and practicality of the UFO 18.

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• RAM-AIR-STRUTS: With the implementation of our ‘RAM-AIR-STRUT’ technology, we are able to achieve excellent speed and performance (glide angle around 7) within the hike and fly category. These struts are v-shaped closed cells that are pressurised by ‘shark nose’ styled leading edge intakes. These self-inflating struts provide the glider with greater overall stability in all flying conditions.

• Ultralight Dyneema risers with incorporating a 3-line configuration (A,B,C) with accelerator

• Polyamide rods in leading edge for enhanced performance

• 3D-cut leading edge

• Light-weight construction (Skytex27, unsheathed lines, lightweight risers)

• Edging tapes integration on ribs for durability

• Rapid descent manoeuvre capable (big-ears, b-stall, spiral)

• Excellent starting behaviour

• Very small packing volume

• Glide angle around 7, trim speed at 38km/h (at 75kg) to 43km/h (accelerated) 

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Here you will find the nearest Dealer

 

 

UFO is available in "LITE" colours as standard.

The UFO can be customised with a different colour of design stripes and trailing edge. 

The main top surface and leading edge is offered in white only.

SIZE 14 16 18 21
AREA FLAT (m²) 14,50 16 18,08 20,61
AREA PROJECTED (m²) 12,14 13,38 15,12 17,24
SPAN FLAT (m) 7,87 8,26 8,78 9,38
SPAN PROJECTED (m) 6,08 6,38 6,78 7,24
ASPECT RATIO FLAT 4,26 4,26 4,26 4,26
ASPECT RATIO PROJ. 3,04 3,04 3,04 3,04
CELLS 6 6 6 6
PANELS UPPERSURFACE 35 35 35 35
TOTAL LINE LENGTH 226 237 252 269
TOTAL LINES 222 222 222 222
WEIGHT (kg) 1,60 1,70 1,80 2,00
V-TRIM/V-MAX (km/h) with 80 kg 40/45 38/43 38/43  36/41
LTF/EN CATEGORY EN-926-1* EN-926-1 C B
TAKE OFF WEIGHT (kg) according EN  50-70  55-70 60-80 75-90
RECOMENDED TAKE OFF WEIGHT "STANDARD" (kg) 50-60 60-70 70-80 80-90
RECOMENDED TAKE OFF WEIGHT "MINI-WING" (kg) 70-100 70-110 80-120 90-120

 

Materials:

Sail, Ribs: Skytex 27 classic II Soft/Hard, Dominico 20D

Lines: Edelrid 8000/U-360, 280,190,130,090,070

Riser: LIROS – D-Pro 4mm – 1300daN

 

Registry of product

Nachprüfanweisung - Service Instructions

 

Glider
AirDesign UFO inner bag,
Folder including manual (USB-stick),
repair kit and AirDesign stickers
surprise present

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