Axis Surge Surge 780 hydrofoil front wing: 643 cm², 780 mm span, aspect ratio 9.48, 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 |
|---|---|---|---|---|---|---|---|
| Sabfoil | Razor PRO 775 Razor PRO 775 | 631 | -1.9% | 9.64 | +1.7% | 780 | C4 High aspect |
| Code Foils | S Series Front Wing 615S | 615 | -4.4% | 9.50 | +0.2% | 765 | C3 Mid aspect |
| AFS | Silk V2 Front Wing Silk 650 | 650 | +1.1% | 9.00 | -5.1% | 765 | C3 Mid aspect |
| Duotone | Crest D/LAB 675 | 675 | +5.0% | 9.30 | -1.9% | 790 | C3 Mid aspect |
| North | Sonar HA650 HA650 | 650 | +1.1% | 10.10 | +6.5% | 810 | C4 High aspect |
| Naish | Jet HA Front Wing Jet HA 640 | 640 | -0.5% | 10.20 | +7.6% | 810 | C4 High aspect |
| GONG | Ypra Race V3 670 cm² | 670 | +4.2% | 9.90 | +4.4% | 820 | C4 High aspect |
| Family | Surge |
|---|---|
| Size | Surge 780 |
| Area, cm² | 643 |
| Area basis | flat |
| Span, mm | 780 |
| Chord, mm | 109 |
| Aspect ratio | 9.48 |
| Band | C3 Mid aspect |
| Brand files it under | Surf / carve |
| Disciplines | prone, wing, parawing, kite |
| Construction | carbon |
| Model year | 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.