Fast Bobby · Foilboards · Armstrong · discontinued

Armstrong WKT 137cm

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Build hard Disciplines wake, kite, tow, pump discontinued

The WKT has 3 sizes on record, discontinued sizes included, from 8 to 12 L. Its slenderness, 2.91, is greater than that of 49% of the 1,895 current boards that publish a length and a width.

Closest boards from other brands

No current board from another brand is within ±7% of volume and ±2% of length, and ±2% of slenderness where both publish a width of this one.

The nearest current boards

None of these is within the tolerances above: each misses on volume, length or slenderness by up to 5.5× the tolerance.

The current boards from other brands nearest the Armstrong WKT 137cm, closest first. None is within ±7% of volume and ±2% of length, and ±2% of slenderness where both publish a width.
BrandBoardVolume LΔ volumeLength mmΔ lengthSlendernessMount
UnifoilPotato Chip Wake Board 4'2"x 17.75 x 1.5 13.9L13.9+20.9%1,270-7.3%2.82 (-3.4%)—
OmenEnigma 15L15+30.4%1,245-9.1%2.84 (-2.7%)—
KT FoilingDrifter Mini Carbon 1515+30.4%1,219-11.0%2.78 (-4.5%)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.
FamilyWKT
ModelWKT
Size, as the brand prints it137cm
Volume, L11.5
Length, mm1,370 (4'6")
Width, mm470
Thickness, mm25
Weight, kg3.4
Slenderness (length ÷ width)2.91
Slenderness band2.5–3.0
Mount—
Strap insertsyes
Buildhard
Construction—
Disciplineswake, kite, tow, pump
Rider weight—
Rider level—
Model yeardiscontinued
Sourcemanufacturer · read 2026-10-02

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

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