F-One EAGLE HM Carbon EAGLE 790 hydrofoil front wing: 790 cm², 865 mm span, aspect ratio 9.50, with its closest equivalents from other brands within ±5% area and ±8% aspect ratio. Figures from F-One'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 | Blackbird Razor 847 Blackbird Razor 847 | 784 | -0.8% | 9.20 | -3.2% | 847 | C3 Mid aspect |
| Takoon | Flash Front Wing 770 | 770 | -2.5% | 9.70 | +2.1% | 864 | C4 High aspect |
| Axis | ART v2 ART v2 879 | 790 | +0.0% | 9.98 | +5.1% | 880 | C4 High aspect |
| Armstrong | HA (High Aspect) HA780 | 780 | -1.3% | 9.86 | +3.8% | 877 | C4 High aspect |
| Cabrinha | Fusion H-Series MkII H800 | 800 | +1.3% | 9.90 | +4.2% | 900 | C4 High aspect |
| Duotone | Crest D/LAB 800 | 800 | +1.3% | 9.00 | -5.3% | 850 | C3 Mid aspect |
| Unifoil | Progression 125 Progression 125 | 806 | +2.0% | 10.00 | +5.3% | 898 | C4 High aspect |
| GONG | Ypra Slalom V3 Atmo M | 800 | +1.3% | 8.90 | -6.3% | 840 | C3 Mid aspect |
| Lift Foils | 120 High Aspect Front Wing 120 | 775 | -1.9% | 10.20 | +7.4% | 889 | C4 High aspect |
| Lift Foils | 120 Vario Front Wing 120 | 774 | -2.0% | 10.20 | +7.4% | 889 | C4 High aspect |
| Slingshot | One-Lock Glide 825 | 825 | +4.4% | 8.80 | -7.4% | 850 | C3 Mid aspect |
| Family | Eagle |
|---|---|
| Size | EAGLE 790 |
| Area, cm² | 790 |
| Area basis | unknown |
| Span, mm | 865 |
| Chord, mm | — |
| Aspect ratio | 9.50 |
| Band | C3 Mid aspect |
| Brand files it under | Downwind |
| Disciplines | downwind, wing, prone, sup |
| Construction | HM 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 F-One 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.