GONG Ypra Surf Carve V3 Atmo S hydrofoil front wing: 620 cm², 710 mm span, aspect ratio 8.20, with its closest equivalents from other brands within ±5% area and ±8% aspect ratio. Figures from GONG'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 |
|---|---|---|---|---|---|---|---|
| Slingshot | One-Lock Glide 625 | 625 | +0.8% | 8.40 | +2.4% | 724 | C2 Mid-low aspect |
| F-One | SK8 HM Carbon (T2) SK8 HM CARBON 650 | 650 | +4.8% | 8.10 | -1.2% | 725 | C2 Mid-low aspect |
| Takoon | Flare Front Wing 650 | 650 | +4.8% | 8.30 | +1.2% | 720 | C2 Mid-low aspect |
| Naish | Siren MA Front Wing Siren 600 | 600 | -3.2% | 8.50 | +3.7% | 714 | C2 Mid-low aspect |
| Sabfoil | Blackbird Razor 737 Blackbird Razor 737 | 648 | +4.5% | 8.40 | +2.4% | 737 | C2 Mid-low aspect |
| Armstrong | MA Mk II (Mid Aspect) MA590 | 590 | -4.8% | 8.00 | -2.4% | 690 | C2 Mid-low aspect |
| Lift Foils | 92 Havoc Front Wing 92 | 594 | -4.2% | 8.50 | +3.7% | 711 | C2 Mid-low aspect |
| North | Sonar MA600v2 MA600v2 | 600 | -3.2% | 7.70 | -6.1% | 680 | C2 Mid-low aspect |
| Family | Ypra |
|---|---|
| Size | S |
| Area, cm² | 620 |
| Area basis | unknown |
| Span, mm | 710 |
| Chord, mm | 115 |
| Aspect ratio | 8.20 |
| Band | C2 Mid-low aspect |
| Brand files it under | Surf / carve |
| Disciplines | prone, wing, sup |
| Construction | Pro Team / 3K Texalium clear carbon prepreg |
| 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 GONG 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.