Armstrong Surf 48L 4'11

48volume, L
1,499length, mm
521width, mm
2.88slenderness

Build hard Disciplines prone

The Surf has 7 sizes in the current range, from 20 to 48 L. Its slenderness, 2.88, is greater than that of 46% of the 1,895 current boards that publish a length and a width.

Closest boards from other brands

Mount is shown beside each board, never matched on.

Current boards from other brands within ±7% of volume and ±2% of length, and ±2% of slenderness where both publish a width of the Armstrong Surf 48L 4'11, closest first.
Brand	Board	Volume L	Δ volume	Length mm	Δ length	Slenderness	Mount
The Carbon Co	The Admiral Surf Wing Foil Board 4'10 x 20 1/2 48L	48	+0.0%	1,473	-1.7%	2.83 (-1.7%)	—
GONG	Surf Foil Board Lethal FSP Pro 2026 4'11	45	-6.2%	1,499	+0.0%	2.92 (+1.6%)	twin-track
Takoon	Glide Midlength 4'10	45	-6.2%	1,473	-1.7%	2.93 (+2.0%)	twin-track

Specifications

Every figure is Armstrong's own, read from the source linked in the last row, converted to millimetres and kilograms where the brand prints inches or pounds. Slenderness is computed here, length ÷ width.
Family	Surf
Model	Surf
Size, as the brand prints it	48L 4'11
Volume, L	48
Length, mm	1,499 (4'11")
Width, mm	521
Thickness, mm	79
Weight, kg	—
Slenderness (length ÷ width)	2.88
Slenderness band	2.5–3.0
Mount	—
Strap inserts	—
Build	hard
Construction	dual i-beam carbon stringers, carbon fiber foil tracks
Disciplines	prone
Rider weight	—
Rider level	—
Model year	—
Source	manufacturer · read 2026-10-02

Every figure above is the manufacturer's published claim, converted to comparable units.

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