JP Australia, 2020

HydroFoil 2020

2090mm long · 6'10"

780mm wide

≈ 120mm thick · medium confidence

120litres

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

Its width sits further forward. A round tail, a full nose and parallel rails.

derived · against the 38 other windfoil boards in the atlas, read off the outlines.

As listed by JP Australia

JP Australia HydroFoil 2020: every size as listed by JP Australia
size	length	width	thickness	weight
105 L	204 cm · 2040 mm	700 mm	≈ 120 mm · estimated	6.7–7.5 kg
120 L	209 cm · 2090 mm	780 mm	120 mm · medium confidence	7.3–8.9 kg
135 L	214 cm · 2140 mm	850 mm	≈ 121 mm · estimated	7.9–9.5 kg
150 L	214 cm · 2140 mm	910 mm	≈ 126 mm · estimated	8.4–9.4 kg

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

Next to your board?

Lay the JP Australia HydroFoil 120 L over up to four others, at one scale.

Compare with…

Generations

After it · 2021

The 2021 120 L is the same length and width as the 2020 120 L; its wide point moved 48 mm toward the tail. Open the 2021

listed length and width · wide point derived

2020 120 L 2021 120 L

The JP Australia HydroFoil over time

Shape & Rocker

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

Read off the 105 L outline · derived

53 %wide point, 1073 mm from the tail

2.91length over width

597mm wide 12″ from the tail

12,260cm² of planform

Read off the 120 L outline · derived

53 %wide point, 1100 mm from the tail

2.68length over width

663mm wide 12″ from the tail

13,985cm² of planform

Read off the 135 L outline · derived

53 %wide point, 1126 mm from the tail

2.52length over width

720mm wide 12″ from the tail

15,617cm² of planform

Read off the 150 L outline · derived

53 %wide point, 1126 mm from the tail

2.35length over width

771mm wide 12″ from the tail

16,719cm² of planform

Rocker of the 105 L · scaled from the 120 L measured

29 mmtail rocker, at the tip

17 mm12″ from the tail

48 mm12″ from the nose

124 mmnose rocker, at the tip

429 mmflat to within 3 mm, from 38 % to 59 % of the length

47 %of the length to the lowest point, from the tail

120 mmat its thickest, 34 % from the tail

60 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 120 L · measured

30 mmtail rocker, at the tip

18 mm12″ from the tail

51 mm12″ from the nose

127 mmnose rocker, at the tip

432 mmflat to within 3 mm, from 38 % to 59 % of the length

47 %of the length to the lowest point, from the tail

120 mmat its thickest, 34 % from the tail

61 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 135 L · scaled from the 120 L measured

31 mmtail rocker, at the tip

18 mm12″ from the tail

53 mm12″ from the nose

130 mmnose rocker, at the tip

435 mmflat to within 3 mm, from 38 % to 59 % of the length

47 %of the length to the lowest point, from the tail

121 mmat its thickest, 34 % from the tail

62 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 150 L · scaled from the 120 L measured

31 mmtail rocker, at the tip

18 mm12″ from the tail

53 mm12″ from the nose

130 mmnose rocker, at the tip

435 mmflat to within 3 mm, from 38 % to 59 % of the length

47 %of the length to the lowest point, from the tail

126 mmat its thickest, 34 % from the tail

62 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 · Measured on JP Australia's photo of the 120 L. Tail end set by Claude, not checked by a person.