GONG Ypra Surf-Freestyle V3 Atmo S hydrofoil front wing: 620 cm², 650 mm span, aspect ratio 6.80, 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 |
|---|---|---|---|---|---|---|---|
| F-One | ESCAPE HM Carbon ESCAPE 630 | 630 | +1.6% | 6.50 | -4.4% | 640 | C2 Mid-low aspect |
| Cabrinha | Rebound 650 | 650 | +4.8% | 6.90 | +1.5% | 670 | C2 Mid-low aspect |
| RRD | Universal Mantaray Front Wing Y30 650 | 650 | +4.8% | 6.90 | +1.5% | 670 | C2 Mid-low aspect |
| Naish | Ultra Jet Front Wing Ultra Jet 650 | 650 | +4.8% | 7.11 | +4.6% | 680 | C2 Mid-low aspect |
| RRD | Spinner Pro Front Wing Y31 650 | 650 | +4.8% | 6.40 | -5.9% | 650 | C2 Mid-low aspect |
| Duotone | Carve 3.0 D/LAB 650 | 650 | +4.8% | 7.20 | +5.9% | 680 | C2 Mid-low aspect |
| Naish | Kite Foil Front Wing Kite Foil 650 | 650 | +4.8% | 6.30 | -7.4% | 640 | C2 Mid-low aspect |
| Family | Ypra |
|---|---|
| Size | S |
| Area, cm² | 620 |
| Area basis | unknown |
| Span, mm | 650 |
| Chord, mm | 133 |
| Aspect ratio | 6.80 |
| Band | C2 Mid-low aspect |
| Brand files it under | Surf / carve |
| Disciplines | wing, kite, prone |
| 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.