Duotone Sky Free DST 2026
Foil › Wing
F-One, 2026
2270mm long · 7'5"
760mm wide
127mm thick
168litres
Listed by the brand, read off a photo, or worked out: where every number comes from
In one line
Its width sits further back. A round tail, a full nose and parallel rails.
derived · against the 169 other wing foil boards in the atlas, read off the outlines.
As listed by F-One
| size | length | width | thickness | weight |
|---|---|---|---|---|
| 125 L | 178 cm · 1780 mm | 730 mm | 127 mm | 7 kg |
| 140 L | 193 cm · 1930 mm | 760 mm | 127 mm | 7.5 kg |
| 168 L | 227 cm · 2270 mm | 760 mm | 127 mm | 8 kg |
| 185 L | 242 cm · 2420 mm | 780 mm | 127 mm | 8.5 kg |
| 190 L | 218 cm · 2180 mm | 860 mm | 127 mm | 8 kg |
| 220 L | 254 cm · 2540 mm | 860 mm | 127 mm | 9.5 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 125 L outline · derived
49 %wide point, 868 mm from the tail
2.44length over width
609mm wide 12″ from the tail
10,963cm² of planform
Read off the 140 L outline · derived
49 %wide point, 942 mm from the tail
2.54length over width
623mm wide 12″ from the tail
12,375cm² of planform
Read off the 168 L outline · derived
49 %wide point, 1107 mm from the tail
3.01length over width
596mm wide 12″ from the tail
14,432cm² of planform
Read off the 185 L outline · derived
48 %wide point, 1172 mm from the tail
3.07length over width
618mm wide 12″ from the tail
16,156cm² of planform
Read off the 190 L outline · derived
49 %wide point, 1064 mm from the tail
2.53length over width
686mm wide 12″ from the tail
15,817cm² of planform
Read off the 220 L outline · derived
49 %wide point, 1239 mm from the tail
2.95length over width
663mm wide 12″ from the tail
18,429cm² of planform
Rocker of the 125 L · scaled from the 168 L, estimated
Rocker of the 140 L · scaled from the 168 L, estimated
Rocker of the 168 L · estimated
Rocker of the 185 L · scaled from the 168 L, estimated
Rocker of the 190 L · scaled from the 168 L, estimated
Rocker of the 220 L · scaled from the 168 L, estimated
True proportions · dots at 10 mm and 12″ in from each tip · bracket: flat to within 3 mm · On F-One's photo of the 168 L, whose bottom line has a 13–19 mm step at 56 % of the length: a foil plate traced as hull, so it lends to no other board. Tail end set by rule. · estimated
Original pages · 1
Closest outlines from other models, once stretched to one length and width · derived
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