F4 Foils R-Board V3 75L 5'6" x 20" 5.5"

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Mount tuttle Disciplines wing, race

The R-Board V3 has 2 sizes in the current range, from 75 to 90 L. Its slenderness, 3.30, is greater than that of 66% 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 F4 Foils R-Board V3 75L 5'6" x 20" 5.5", closest first.
BrandBoardVolume LΔ volumeLength mmΔ lengthSlendernessMount
GONGWing Foil Board Cruzader Squash 2PK Hollow Carbon 5'678+4.0%1,676+0.0%3.30 (+0.0%)twin-track
GONGWing Foil Board Cruzader Diamond FSP Pro 5'672-4.0%1,676+0.0%3.25 (-1.4%)twin-track
AerynFlux S-Glass 70L70-6.7%1,670-0.4%3.34 (+1.2%)twin-track
DuotoneSkybrid D/LAB 2027 5'7"70-6.7%1,700+1.4%3.27 (-0.9%)twin-track
DuotoneSkybrid SLS 2027 5'7"70-6.7%1,700+1.4%3.30 (+0.1%)twin-track
MistralRapide 5'5 Wing Foil hardboard 80L80+6.7%1,650-1.6%—twin-track
The Carbon CoFormula wing foil board 70L 5'6 x 2070-6.7%1,676+0.0%3.30 (+0.0%)twin-track, tuttle

Specifications

Every figure is F4 Foils'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.
FamilyR-Board
ModelR-Board V3
Size, as the brand prints it75L - 5'6" x 20" x 5.5"
Volume, L75
Length, mm1,676 (5'6")
Width, mm508
Thickness, mm140
Weight, kg—
Slenderness (length ÷ width)3.30
Slenderness band3.0–4.0
Mounttuttle
Strap insertsyes
Build—
Constructionfull sandwich carbon
Disciplineswing, race
Rider weight—
Rider level—
Model year—
Sourcemanufacturer · read 2026-10-02

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

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