JP Australia HydroFoil Slalom 2021
Windsurf › Windfoil
JP Australia, 2025
2150mm long · 7'1"
840mm wide
≈ 137mm thick · medium confidence
133litres
Listed by the brand, read off a photo, or worked out: where every number comes from
In one line
The 2023 outline, refined. The 133 L is the same length and width as the 2023 133 L.
133 L against the 2023 133 L, listed length and width.
As listed by JP Australia
| size | length | width | thickness | weight |
|---|---|---|---|---|
| 133 L | 215 cm · 2150 mm | 840 mm | 137 mm · medium confidence | 8.4 kg |
| 155 L | 215 cm · 2150 mm | 890 mm | ≈ 150 mm · estimated | 8.9 kg |
Every size side by side, tails on one line, one scale
Before it · 2023
The 2025 133 L is the same length and width as the 2023 133 L; its wide point moved 137 mm toward the tail. Open the 2023
listed length and width · wide point derived
After it · 2026
The 2026 133 L is the same length and width as the 2025 133 L; its wide point moved 59 mm toward the nose. Open the 2026
listed length and width · wide point derived
From above, then from the side, true scale · the chosen size solid, the others dashed
Read off the 133 L outline · derived
48 %wide point, 1024 mm from the tail
2.59length over width
714mm wide 12″ from the tail
15,412cm² of planform
Read off the 155 L outline · derived
48 %wide point, 1024 mm from the tail
2.42length over width
764mm wide 12″ from the tail
16,498cm² of planform
Rocker of the 133 L · measured
Rocker of the 155 L · scaled from the 133 L measured
True proportions · dots at 10 mm and 12″ in from each tip · bracket: flat to within 3 mm · Measured on JP Australia's photo of the 133 L. Tail end set by Claude, not checked by a person.
Original pages · 1
Closest outlines from other models, once stretched to one length and width · derived
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