Axis ART v2 ART v2 819 hydrofoil front wing: 647 cm², 820 mm span, aspect ratio 9.98, with its closest equivalents from other brands within ±5% area and ±8% aspect ratio. Figures from Axis's own published specifications.
Projected and flat area run 3–8% apart. A marked area is one whose brand does not state which it publishes, so a match inside the area tolerance may be comparing unlike figures.
| Brand | Wing | Area cm² | Δ area | Aspect ratio | Δ AR | Span mm | Band |
|---|---|---|---|---|---|---|---|
| North | Sonar HA650 HA650 | 650 | +0.5% | 10.10 | +1.2% | 810 | C4 High aspect |
| Naish | Jet HA Front Wing Jet HA 640 | 640 | -1.1% | 10.20 | +2.2% | 810 | C4 High aspect |
| GONG | Ypra Race V3 670 cm² | 670 | +3.6% | 9.90 | -0.8% | 820 | C4 High aspect |
| Unifoil | Progression 100 Progression 100 | 645 | -0.3% | 10.50 | +5.2% | 824 | C4 High aspect |
| Sabfoil | Razor PRO 775 Razor PRO 775 | 631 | -2.5% | 9.64 | -3.4% | 780 | C4 High aspect |
| GONG | Ypra Race Micro V3 Atmo 630 cm² | 630 | -2.6% | 10.40 | +4.2% | 809 | C4 High aspect |
| Duotone | Glide 2.0 D/LAB 620 | 620 | -4.2% | 10.30 | +3.2% | 800 | C4 High aspect |
| Code Foils | S Series Front Wing 615S | 615 | -4.9% | 9.50 | -4.8% | 765 | C3 Mid aspect |
| Duotone | Crest D/LAB 675 | 675 | +4.3% | 9.30 | -6.8% | 790 | C3 Mid aspect |
| Family | ART v2 |
|---|---|
| Size | ART v2 819 |
| Area, cm² | 647 |
| Area basis | flat |
| Span, mm | 820 |
| Chord, mm | 100 |
| Aspect ratio | 9.98 |
| Band | C4 High aspect |
| Brand files it under | Glide / high aspect |
| Disciplines | wing, prone, downwind, sup |
| Construction | UHM carbon reinforced |
| Model year | 2025-2026 |
| Source | manufacturer |
The brand's published aspect ratio agrees with its own span and area (span² ÷ area) to within 5%, so the figure is confirmed.
See Axis on the plot →Data current to August 2026. Fast Bobby is the researcher, never the reviewer: every figure above is the manufacturer's published claim, converted to comparable units, and nothing here is a riding impression.