Windsurf

JP Australia, 2021

Speed 2021

2310mm long · 7'7"

540mm wide

≈ 102mm thick · estimated

73litres

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 73 L is the same length and width as the 2020 73 L.

73 L against the 2020 73 L, listed length and width.

As listed by JP Australia

JP Australia Speed 2021: every size as listed by JP Australia
sizelengthwidththicknessweight
53 L228 cm · 2280 mm450 mm≈ 90 mm · estimated4.6 kg
64 L228 cm · 2280 mm500 mm≈ 98 mm · estimated4.9 kg
73 L231 cm · 2310 mm540 mm≈ 102 mm · estimated5.2 kg

Every size side by side, tails on one line, one scale

231022800 mm228053 L450 w228064 L500 w231073 L542 w

Next to your board?

Lay the JP Australia Speed 73 L over up to four others, at one scale.

Compare with…

Generations

Before it · 2020

The 2021 73 L is the same length and width as the 2020 73 L; its wide point moved 10 mm toward the nose. Open the 2020

listed length and width · wide point derived

2021 73 L over the 2020 73 L, tails aligned, one scale
2021 73 L 2020 73 L

After it · 2022

The 2022 73 L is the same length and width as the 2021 73 L; its wide point moved 13 mm toward the tail. Open the 2022

listed length and width · wide point derived

2021 73 L over the 2022 73 L, tails aligned, one scale
2021 73 L 2022 73 L

The JP Australia Speed over time

Shape & Rocker

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

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

Read off the 53 L outline · derived

60 %wide point, 1371 mm from the tail

5.07length over width

293mm wide 12″ from the tail

8,098cm² of planform

Read off the 64 L outline · derived

60 %wide point, 1371 mm from the tail

4.56length over width

325mm wide 12″ from the tail

8,997cm² of planform

Read off the 73 L outline · derived

60 %wide point, 1389 mm from the tail

4.26length over width

351mm wide 12″ from the tail

9,887cm² of planform

Rocker of the 53 L · scaled from the 73 L, borrowed (≈), estimated

≈ 39 mmtail rocker, at the tip
≈ 26 mm12″ from the tail
≈ 55 mm12″ from the nose
≈ 119 mmnose rocker, at the tip
≈ 377 mmflat to within 3 mm, from 45 % to 62 % of the length
55 %of the length to the lowest point, from the tail
≈ 90 mmat its thickest, 30 % from the tail
≈ 14 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 64 L · scaled from the 73 L, borrowed (≈), estimated

≈ 39 mmtail rocker, at the tip
≈ 26 mm12″ from the tail
≈ 55 mm12″ from the nose
≈ 119 mmnose rocker, at the tip
≈ 377 mmflat to within 3 mm, from 45 % to 62 % of the length
55 %of the length to the lowest point, from the tail
≈ 98 mmat its thickest, 30 % from the tail
≈ 14 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 73 L · borrowed (≈), estimated

≈ 39 mmtail rocker, at the tip
≈ 27 mm12″ from the tail
≈ 56 mm12″ from the nose
≈ 121 mmnose rocker, at the tip
≈ 381 mmflat to within 3 mm, from 45 % to 62 % of the length
55 %of the length to the lowest point, from the tail
≈ 102 mmat its thickest, 30 % from the tail
≈ 14 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 Speed 2022, which JP Australia lists with the same length, width and volume, a year later. Tail end set by Claude on the Speed 2022'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