Duotone Ultra Grip [Quad] SLS 2026
Windsurf › Windsurf
Axis, 2023
2438mm long · 8'0"
508mm wide
≈ 155mm thick · estimated
120litres
Listed by the brand, read off a photo, or worked out: where every number comes from
In one line
A fuller nose than most. A square tail, a medium nose and gently curved rails.
derived · against the 66 other downwind foil boards in the atlas, read off the outlines.
As listed by Axis
| size | length | width | thickness | weight |
|---|---|---|---|---|
| 110 L | 7'6 · 2286 mm | 533 mm | ≈ 145 mm · estimated | – |
| 120 L | 8'0 · 2438 mm | 508 mm | ≈ 155 mm · estimated | – |
| 130 L | 8'6 · 2591 mm | 483 mm | ≈ 167 mm · estimated | – |
Every size side by side, tails on one line, one scale
From above, then from the side, true scale · the chosen size solid, the others dashed
Read off the 110 L outline · derived
57 %wide point, 1292 mm from the tail
4.32length over width
336mm wide 12″ from the tail
9,558cm² of planform
Read off the 120 L outline · derived
56 %wide point, 1363 mm from the tail
4.83length over width
311mm wide 12″ from the tail
9,715cm² of planform
Read off the 130 L outline · derived
57 %wide point, 1478 mm from the tail
5.41length over width
278mm wide 12″ from the tail
9,767cm² of planform
Rocker of the 110 L · scaled from the 120 L, borrowed (≈), estimated
Rocker of the 120 L · borrowed (≈), estimated
Rocker of the 130 L · scaled from the 120 L, borrowed (≈), estimated
True proportions · dots at 10 mm and 12″ in from each tip · bracket: flat to within 3 mm · drawn hollow: no usable side photo of this board · shaded: the middle 80 % of its group · No usable side photo of this board: the median of 17 hard downwind boards from 15 product lines. Tail ends set by rule, Claude or a brand convention on their photos, none checked by a person. · estimated
Original pages · 3
Closest outlines from other models, once stretched to one length and width · derived
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