Windfoil

JP Australia, 2021

HydroFoil Slalom 2021

2150mm long · 7'1"

910mm wide

≈ 140mm thick · estimated

176litres

Sizes & Numbers

Listed by the brand, read off a photo, or worked out: where every number comes from

In one line

The 2020 outline, refined. The 176 L is the same length and width as the 2020 176 L.

176 L against the 2020 176 L, listed length and width.

As listed by JP Australia

JP Australia HydroFoil Slalom 2021: every size as listed by JP Australia
sizelengthwidththicknessweight
176 L215 cm · 2150 mm910 mm≈ 140 mm · estimated8.6 kg

Next to your board?

Lay the JP Australia HydroFoil Slalom 176 L over up to four others, at one scale.

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Generations

Before it · 2020

The 2021 176 L is the same length and width as the 2020 176 L; its wide point moved 23 mm toward the nose. Open the 2020

listed length and width · wide point derived

2021 176 L over the 2020 176 L, tails aligned, one scale
2021 176 L 2020 176 L

After it · 2023

The 2023 180 L is 50 mm shorter than the 2021 176 L, same width; its wide point moved 43 mm toward the tail. Open the 2023

listed length and width · wide point derived

2021 176 L over the 2023 180 L, tails aligned, one scale
2021 176 L 2023 180 L

The JP Australia HydroFoil Slalom over time

Shape & Rocker

From above, then from the side, true scale · the chosen size solid, the others dashed

JP Australia HydroFoil Slalom 2021 from above and from the side, every size at true scale, tails aligned
JP Australia HydroFoil Slalom 2021 from the side, true proportions: the bottom's rocker over a flat table, every size; borrowed (≈), drawn hollow

Read off the 176 L outline · derived

52 %wide point, 1109 mm from the tail

2.37length over width

774mm wide 12″ from the tail

16,759cm² of planform

Rocker of the 176 L · borrowed (≈), estimated

≈ 45 mmtail rocker, at the tip
≈ 4 mm12″ from the tail
≈ 62 mm12″ from the nose
≈ 116 mmnose rocker, at the tip
≈ 771 mmflat to within 3 mm, from 19 % to 55 % of the length
47 %of the length to the lowest point, from the tail
≈ 140 mmat its thickest, 48 % from the tail
≈ 35 mmlonger along the bottom curve than flat

Lay this rocker over other boards

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 · No usable side photo of this board: from JP Australia's photo of the HydroFoil Slalom 2024, the same line with other dimensions, 3 years later. Tail end set by Claude on the HydroFoil Slalom 2024's photo, not checked by a person. · estimated

Reviews & Videos

Original pages · 1

Similar Boards

Closest outlines from other models, once stretched to one length and width · derived