JP Australia, 2023

AllroundAir SL 2023

3190mm long · 10'6"

810mm wide

152mm thick

318litres

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

Shorter and fuller than most. A round tail, a pointed nose and gently curved rails.

derived · against the 303 other sup boards in the atlas, read off the outlines.

As listed by JP Australia

JP Australia AllroundAir SL 2023: every size as listed by JP Australia
size	length	width	thickness	weight
318 L	319 cm · 3190 mm	810 mm	152 mm	7.8 kg
339 L	335 cm · 3350 mm	840 mm	152 mm	8.2 kg

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

Next to your board?

Lay the JP Australia AllroundAir SL 318 L over up to four others, at one scale.

Compare with…

Generations

After it · 2024

The 2024 318 L is the same length and width as the 2023 318 L. Open the 2024

listed length and width

2023 318 L 2024 318 L

The JP Australia AllroundAir SL over time

Shape & Rocker

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

Read off the 318 L outline · derived

51 %wide point, 1632 mm from the tail

3.88length over width

537mm wide 12″ from the tail

20,651cm² of planform

Read off the 339 L outline · derived

51 %wide point, 1714 mm from the tail

3.99length over width

541mm wide 12″ from the tail

22,175cm² of planform

Rocker of the 318 L · estimated

≈ 83 mmtail rocker, at the tip

≈ 7 mm12″ from the tail

≈ 35 mm12″ from the nose

≈ 124 mmnose rocker, at the tip

≈ 1004 mmflat to within 3 mm, from 33 % to 64 % of the length

48 %of the length to the lowest point, from the tail

≈ 200 mmat its thickest, 50 % from the tail · on the photo; JP Australia lists ≈ 152 mm

≈ 69 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 339 L · scaled from the 318 L, estimated

≈ 88 mmtail rocker, at the tip

≈ 17 mm12″ from the tail

≈ 38 mm12″ from the nose

≈ 131 mmnose rocker, at the tip

≈ 1036 mmflat to within 3 mm, from 33 % to 64 % of the length

48 %of the length to the lowest point, from the tail

≈ 200 mmat its thickest, 50 % from the tail

≈ 72 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 318 L, whose bottom line has a 15 mm step at 15 % 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