Sroka S-Foil 950 S HA 950 S HA hydrofoil front wing: 950 cm², 850 mm span, aspect ratio 7.90, with its closest equivalents from other brands within ±5% area and ±8% aspect ratio. Figures from Sroka'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 | SK8 HM Carbon (T2) SK8 HM CARBON 950 | 950 | +0.0% | 8.00 | +1.3% | 870 | C2 Mid-low aspect |
| KT Foiling | Halo 950 Halo 950 | 950 | +0.0% | 8.00 | +1.3% | 870 | C2 Mid-low aspect |
| Takuma | Kujira II Front Wing Kujira II 950 | 950 | +0.0% | 8.00 | +1.3% | 870 | C2 Mid-low aspect |
| AFS | Evo Front Wing 950 | 950 | +0.0% | 8.10 | +2.5% | 880 | C2 Mid-low aspect |
| Takoon | XS-Glide Front Wing 940 | 940 | -1.1% | 7.70 | -2.5% | 852 | C2 Mid-low aspect |
| RRD | Thunder Front Wing Y30 950 | 950 | +0.0% | 7.60 | -3.8% | 850 | C2 Mid-low aspect |
| Lift Foils | 150 Havoc Front Wing 150 | 968 | +1.9% | 7.70 | -2.5% | 864 | C2 Mid-low aspect |
| Takoon | Flare Front Wing 950 | 950 | +0.0% | 8.30 | +5.1% | 890 | C2 Mid-low aspect |
| Armstrong | MA Mk II (Mid Aspect) MA990 | 990 | +4.2% | 8.00 | +1.3% | 906 | C2 Mid-low aspect |
| Unifoil | Aggression 150 Aggression 150 | 967 | +1.8% | 8.20 | +3.8% | 890 | C2 Mid-low aspect |
| GONG | Ypra Surf Fast V3 Atmo XL | 920 | -3.2% | 8.20 | +3.8% | 870 | C2 Mid-low aspect |
| Code Foils | X Series Front Wing 985X | 985 | +3.7% | 8.20 | +3.8% | 896 | C2 Mid-low aspect |
| ENSIS | INFINITY ACE Front Wing 990 | 990 | +4.2% | 7.50 | -5.1% | 860 | C2 Mid-low aspect |
| GONG | Curve H V3 FG M | 920 | -3.2% | 8.40 | +6.3% | 880 | C2 Mid-low aspect |
| KT Foiling | Instinct 920 Instinct 920 | 920 | -3.2% | 8.41 | +6.5% | 880 | C2 Mid-low aspect |
| GONG | Fluid H V3 FG M | 910 | -4.2% | 8.40 | +6.3% | 870 | C2 Mid-low aspect |
| Family | S-Foil High Aspect (HA) |
|---|---|
| Size | 950 S HA |
| Area, cm² | 950 |
| Area basis | unknown |
| Span, mm | 850 |
| Chord, mm | 150 |
| Aspect ratio | 7.90 |
| Band | C2 Mid-low aspect |
| Brand files it under | Glide / high aspect |
| Disciplines | wing, race, kite, tow, sup, pump |
| Construction | high-modulus carbon (Carbon HM) |
| Model year | 2024-2026 |
| 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 Sroka 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.