Duotone Ultra Grip [Quad] SLS 2026
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Duotone, 2027
2280mm long · 7'6"
630mm wide
≈ 135mm thick · estimated
106litres
Listed by the brand, read off a photo, or worked out: where every number comes from
In one line
A narrower tail than most. A square tail, a medium nose and curvy rails.
derived · against the 104 other windsurf boards in the atlas, read off the outlines.
As listed by Duotone
| size | length | width | thickness | weight |
|---|---|---|---|---|
| 53 L | 213 cm · 2130 mm | 505 mm | ≈ 90 mm · estimated | 4.7 kg |
| 61 L | 216.5 cm · 2165 mm | 520 mm | ≈ 99 mm · estimated | 5.1 kg |
| 69 L | 219 cm · 2190 mm | 540 mm | ≈ 107 mm · estimated | 5.3 kg |
| 76 L | 220 cm · 2200 mm | 570 mm | ≈ 111 mm · estimated | 5.5 kg |
| 82 L | 221 cm · 2210 mm | 585 mm | ≈ 116 mm · estimated | 5.8 kg |
| 88 L | 223 cm · 2230 mm | 595 mm | ≈ 122 mm · estimated | 5.9 kg |
| 94 L | 225 cm · 2250 mm | 605 mm | ≈ 127 mm · estimated | 6.1 kg |
| 106 L | 228 cm · 2280 mm | 630 mm | ≈ 135 mm · estimated | 6.3 kg |
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 53 L outline · derived
53 %wide point, 1131 mm from the tail
4.22length over width
327mm wide 12″ from the tail
8,389cm² of planform
Read off the 61 L outline · derived
53 %wide point, 1149 mm from the tail
4.16length over width
335mm wide 12″ from the tail
8,780cm² of planform
Read off the 69 L outline · derived
53 %wide point, 1163 mm from the tail
4.06length over width
346mm wide 12″ from the tail
9,223cm² of planform
Read off the 76 L outline · derived
53 %wide point, 1168 mm from the tail
3.86length over width
364mm wide 12″ from the tail
9,780cm² of planform
Read off the 82 L outline · derived
53 %wide point, 1173 mm from the tail
3.78length over width
373mm wide 12″ from the tail
10,083cm² of planform
Read off the 88 L outline · derived
53 %wide point, 1184 mm from the tail
3.75length over width
378mm wide 12″ from the tail
10,348cm² of planform
Read off the 94 L outline · derived
53 %wide point, 1194 mm from the tail
3.72length over width
383mm wide 12″ from the tail
10,617cm² of planform
Read off the 106 L outline · derived
53 %wide point, 1210 mm from the tail
3.59length over width
400mm wide 12″ from the tail
11,304cm² of planform
Rocker of the 53 L · scaled from the 106 L measured
Rocker of the 61 L · scaled from the 106 L measured
Rocker of the 69 L · scaled from the 106 L measured
Rocker of the 76 L · scaled from the 106 L measured
Rocker of the 82 L · scaled from the 106 L measured
Rocker of the 88 L · scaled from the 106 L measured
Rocker of the 94 L · scaled from the 106 L measured
Rocker of the 106 L · measured
True proportions · dots at 10 mm and 12″ in from each tip · bracket: flat to within 3 mm · On Duotone's photo of the Cosmic 4 D/LAB 88, scaled as the 106 L though the rail reads the 88 L (not rescaled yet). Tail end set by Claude, not checked by a person. · estimated
Original pages · 1
Closest outlines from other models, once stretched to one length and width · derived
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