GONG Ypra Freestyle V3 M hydrofoil front wing: 680 cm², 730 mm span, aspect ratio 7.80, 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 |
|---|---|---|---|---|---|---|---|
| Armstrong | MA Mk II (Mid Aspect) MA690 | 690 | +1.5% | 8.00 | +2.6% | 767 | C2 Mid-low aspect |
| KT Foiling | Halo 670 Halo 670 | 670 | -1.5% | 8.00 | +2.6% | 725 | C2 Mid-low aspect |
| Unifoil | Aggression 105 Aggression 105 | 677 | -0.4% | 8.10 | +3.8% | 740 | C2 Mid-low aspect |
| ENSIS | INFINITY ACE Front Wing 690 | 690 | +1.5% | 7.50 | -3.8% | 720 | C2 Mid-low aspect |
| Sroka | S-Foil 670 S HA 670 S HA | 670 | -1.5% | 7.50 | -3.8% | 700 | C2 Mid-low aspect |
| Sabfoil | 707 Balz Muller Limited 707 Balz Müller Limited | 661 | -2.8% | 7.55 | -3.2% | 707 | C2 Mid-low aspect |
| Code Foils | X Series Front Wing 700X | 700 | +2.9% | 8.20 | +5.1% | 755 | C2 Mid-low aspect |
| North | Sonar MA700v2 MA700v2 | 700 | +2.9% | 7.40 | -5.1% | 720 | C2 Mid-low aspect |
| Lift Foils | 105 Havoc Front Wing 105 | 677 | -0.4% | 7.20 | -7.7% | 699 | C2 Mid-low aspect |
| F-One | SK8 HM Carbon (T2) SK8 HM CARBON 650 | 650 | -4.4% | 8.10 | +3.8% | 725 | C2 Mid-low aspect |
| Takuma | Kujira II Front Wing Kujira II 650 | 650 | -4.4% | 7.40 | -5.1% | 690 | C2 Mid-low aspect |
| Takoon | Flare Front Wing 650 | 650 | -4.4% | 8.30 | +6.4% | 720 | C2 Mid-low aspect |
| Duotone | Carve 3.0 D/LAB 650 | 650 | -4.4% | 7.20 | -7.7% | 680 | C2 Mid-low aspect |
| Sabfoil | Blackbird Razor 737 Blackbird Razor 737 | 648 | -4.7% | 8.40 | +7.7% | 737 | C2 Mid-low aspect |
| Family | Ypra |
|---|---|
| Size | M |
| Area, cm² | 680 |
| Area basis | projected |
| Span, mm | 730 |
| Chord, mm | 132 |
| Aspect ratio | 7.80 |
| Band | C2 Mid-low aspect |
| Brand files it under | Surf / carve |
| Disciplines | wing, kite |
| Construction | Pro Team / Carbon HM |
| Model year | 2025 |
| 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.