RRD Flying Fish Front Wing Y30 750 hydrofoil front wing: 750 cm², 840 mm span, aspect ratio 9.50, with its closest equivalents from other brands within ±5% area and ±8% aspect ratio. Figures from RRD'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 |
|---|---|---|---|---|---|---|---|
| Lift Foils | 120 Vario Beta Front Wing 120 | 744 | -0.8% | 9.60 | +1.1% | 864 | C4 High aspect |
| Axis | Surge Surge 830 | 728 | -2.9% | 9.48 | -0.2% | 830 | C3 Mid aspect |
| Unifoil | Evolution 115 Evolution 115 | 740 | -1.3% | 9.30 | -2.1% | 831 | C3 Mid aspect |
| Code Foils | S Series Front Wing 720S | 720 | -4.0% | 9.50 | +0.0% | 830 | C3 Mid aspect |
| ENSIS | FLOW ACE Front Wing 720 | 720 | -4.0% | 9.50 | +0.0% | 827 | C3 Mid aspect |
| Takoon | Flash Front Wing 770 | 770 | +2.7% | 9.70 | +2.1% | 864 | C4 High aspect |
| AFS | Silk V2 Front Wing Silk 750 | 750 | +0.0% | 9.00 | -5.3% | 821 | C3 Mid aspect |
| North | Sonar HA750 HA750 | 750 | +0.0% | 10.10 | +6.3% | 870 | C4 High aspect |
| Axis | ART (AXIS Research Team) ART 799 | 730 | -2.7% | 9.05 | -4.7% | 799 | C3 Mid aspect |
| Sabfoil | Razor PRO 825 Razor PRO 825 | 746 | -0.5% | 8.84 | -6.9% | 820 | C3 Mid aspect |
| GONG | Veloce V3 Atmo S | 740 | -1.3% | 10.10 | +6.3% | 870 | C4 High aspect |
| Sabfoil | Blackbird Razor 847 Blackbird Razor 847 | 784 | +4.5% | 9.20 | -3.2% | 847 | C3 Mid aspect |
| Armstrong | HA (High Aspect) HA780 | 780 | +4.0% | 9.86 | +3.8% | 877 | C4 High aspect |
| Naish | Excalibur HA Front Wing Excalibur 744 | 744 | -0.8% | 10.20 | +7.4% | 870 | C4 High aspect |
| Slingshot | One-Lock Glide 725 | 725 | -3.3% | 8.90 | -6.3% | 799 | C3 Mid aspect |
| Lift Foils | 120 Vario Front Wing 120 | 774 | +3.2% | 10.20 | +7.4% | 889 | C4 High aspect |
| Lift Foils | 120 High Aspect Front Wing 120 | 775 | +3.3% | 10.20 | +7.4% | 889 | C4 High aspect |
| Family | FLYING FISH |
|---|---|
| Size | 750 |
| Area, cm² | 750 |
| Area basis | unknown |
| Span, mm | 840 |
| Chord, mm | — |
| Aspect ratio | 9.50 |
| Band | C3 Mid aspect |
| Brand files it under | Downwind |
| Disciplines | wing, prone, downwind |
| Construction | — |
| Model year | — |
| 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 RRD 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.