JP Australia, 2024

CruisAir SL 2024

3500mm long · 11'6"

760mm wide

152mm thick

311litres

Open in Studio See it on jp-australia.com

Sizes & Numbers

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

In one line

The 2023 outline, refined. The 311 L is the same length and width as the 2023 311 L.

311 L against the 2023 311 L, listed length and width.

As listed by JP Australia

JP Australia CruisAir SL 2024: every size as listed by JP Australia
size	length	width	thickness	weight
311 L	350 cm · 3500 mm	760 mm	152 mm	8 kg
333 L	381 cm · 3810 mm	810 mm	152 mm	8.7 kg

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

Next to your board?

Lay the JP Australia CruisAir SL 311 L over up to four others, at one scale.

Compare with…

Generations

Before it · 2023

The 2024 311 L is the same length and width as the 2023 311 L. Open the 2023

listed length and width

2024 311 L 2023 311 L

After it · 2025

The 2025 311 L is the same length and width as the 2024 311 L. Open the 2025

listed length and width

2024 311 L 2025 311 L

The JP Australia CruisAir SL over time

Shape & Rocker

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

Read off the 311 L outline · derived

49 %wide point, 1703 mm from the tail

4.46length over width

481mm wide 12″ from the tail

21,140cm² of planform

Read off the 333 L outline · derived

49 %wide point, 1853 mm from the tail

4.70length over width

484mm wide 12″ from the tail

23,773cm² of planform

Rocker of the 311 L · estimated

≈ 67 mmtail rocker, at the tip

≈ 8 mm12″ from the tail

≈ 28 mm12″ from the nose

≈ 108 mmnose rocker, at the tip

≈ 133 mmflat to within 3 mm, from 10 % to 14 % of the length

12 %of the length to the lowest point, from the tail

≈ 201 mmat its thickest, 51 % from the tail · on the photo; JP Australia lists ≈ 152 mm

≈ 71 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 333 L · scaled from the 311 L, estimated

≈ 74 mmtail rocker, at the tip

≈ 20 mm12″ from the tail

≈ 32 mm12″ from the nose

≈ 119 mmnose rocker, at the tip

≈ 137 mmflat to within 3 mm, from 10 % to 14 % of the length

12 %of the length to the lowest point, from the tail

≈ 201 mmat its thickest, 51 % from the tail

≈ 78 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 · On JP Australia's photo of the 311 L, whose bottom line has a 2–16 mm step at 14 % of the length: a foil plate traced as hull, so it lends to no other board. Tail end set by Claude, not checked by a person. · estimated