Gong, 2024

Surf Foil Lethal FSP Pro 2024

1370mm long · 4'6"

449mm wide

84mm thick

36litres

Open in Studio See it on gong-galaxy.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 rounded pin tail, a medium nose and parallel rails.

derived · against the 77 other surf foil boards in the atlas, read off the outlines.

As listed by Gong

Gong Surf Foil Lethal FSP Pro 2024: every size as listed by Gong
size	length	width	thickness	weight
25 L	122.0cm · 1220 mm	430 mm	67 mm · medium confidence	–
30 L	130.0cm · 1300 mm	430 mm	76 mm · medium confidence	–
36 L	137.0cm · 1370 mm	449 mm	84 mm · medium confidence	–
41 L	145.0cm · 1450 mm	470 mm	91 mm	–
45 L	152.0cm · 1520 mm	491 mm	92 mm	–
51 L	160.0cm · 1600 mm	510 mm	97 mm	–

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

Next to your board?

Lay the Gong Surf Foil Lethal FSP Pro 36 L over up to four others, at one scale.

Compare with…

Generations

After it · 2026

The 2026 36 L is 27 mm longer and 29 mm wider than the 2024 36 L; its wide point moved 11 mm toward the nose. Open the 2026

listed length and width · wide point derived

2024 36 L 2026 36 L

The Gong Surf Foil Lethal FSP Pro over time

Shape & Rocker

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

Read off the 25 L outline · derived

57 %wide point, 690 mm from the tail

2.84length over width

377mm wide 12″ from the tail

4,318cm² of planform

Read off the 30 L outline · derived

57 %wide point, 735 mm from the tail

3.02length over width

372mm wide 12″ from the tail

4,601cm² of planform

Read off the 36 L outline · derived

57 %wide point, 774 mm from the tail

3.08length over width

380mm wide 12″ from the tail

5,017cm² of planform

Read off the 41 L outline · derived

57 %wide point, 820 mm from the tail

3.09length over width

395mm wide 12″ from the tail

5,606cm² of planform

Read off the 45 L outline · derived

57 %wide point, 859 mm from the tail

3.10length over width

407mm wide 12″ from the tail

6,134cm² of planform

Read off the 51 L outline · derived

57 %wide point, 904 mm from the tail

3.14length over width

418mm wide 12″ from the tail

6,708cm² of planform

Rocker of the 25 L · scaled from the 36 L measured

32 mmtail rocker, at the tip

3 mm12″ from the tail

11 mm12″ from the nose

77 mmnose rocker, at the tip

476 mmflat to within 3 mm, from 24 % to 63 % of the length

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

68 mmat its thickest, 40 % from the tail

48 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 30 L · scaled from the 36 L measured

36 mmtail rocker, at the tip

3 mm12″ from the tail

13 mm12″ from the nose

83 mmnose rocker, at the tip

491 mmflat to within 3 mm, from 25 % to 63 % of the length

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

78 mmat its thickest, 40 % from the tail

51 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 36 L · measured

39 mmtail rocker, at the tip

4 mm12″ from the tail

15 mm12″ from the nose

88 mmnose rocker, at the tip

503 mmflat to within 3 mm, from 26 % to 63 % of the length

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

86 mmat its thickest, 40 % from the tail

53 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 41 L · scaled from the 36 L measured

43 mmtail rocker, at the tip

5 mm12″ from the tail

18 mm12″ from the nose

93 mmnose rocker, at the tip

516 mmflat to within 3 mm, from 27 % to 62 % of the length

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

92 mmat its thickest, 40 % from the tail

57 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 45 L · scaled from the 36 L measured

46 mmtail rocker, at the tip

5 mm12″ from the tail

20 mm12″ from the nose

98 mmnose rocker, at the tip

527 mmflat to within 3 mm, from 27 % to 62 % of the length

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

94 mmat its thickest, 40 % from the tail

59 mmlonger along the bottom curve than flat

Lay this rocker over other boards

Rocker of the 51 L · scaled from the 36 L measured

49 mmtail rocker, at the tip

6 mm12″ from the tail

23 mm12″ from the nose

104 mmnose rocker, at the tip

541 mmflat to within 3 mm, from 28 % to 62 % of the length

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

99 mmat its thickest, 40 % 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 Gong's photo of the 36 L. Tail end set by Gong's photo convention, not checked by a person.