RRD Dynamic Pro Flying Fish Front Wing Y31 830 hydrofoil front wing: 830 cm², 940 mm span, aspect ratio 10.65, 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 |
|---|---|---|---|---|---|---|---|
| Takoon | Flow Front Wing 800 | 800 | -3.6% | 10.70 | +0.5% | 920 | C4 High aspect |
| KT Foiling | Atlas 790 Atlas 790 | 790 | -4.8% | 10.70 | +0.5% | 920 | C4 High aspect |
| AFS | Enduro Front Wing Enduro 800 | 800 | -3.6% | 11.00 | +3.3% | 940 | C4 High aspect |
| Slingshot | One-Lock Flow 800 | 800 | -3.6% | 11.00 | +3.3% | 937 | C4 High aspect |
| Levitaz | Front Wing FS 790 FS 790 | 790 | -4.8% | 10.30 | -3.3% | 900 | C4 High aspect |
| North | Sonar HA850 HA850 | 850 | +2.4% | 10.00 | -6.1% | 920 | C4 High aspect |
| Unifoil | Progression 125 Progression 125 | 806 | -2.9% | 10.00 | -6.1% | 898 | C4 High aspect |
| Naish | Jet HA Front Wing Jet HA 840 | 840 | +1.2% | 9.80 | -8.0% | 900 | C4 High aspect |
| GONG | Hyper Trail V3 Atmo M | 850 | +2.4% | 11.40 | +7.0% | 980 | C4 High aspect |
| Cabrinha | Fusion H-Series MkII H800 | 800 | -3.6% | 9.90 | -7.0% | 900 | C4 High aspect |
| Axis | ART v2 ART v2 879 | 790 | -4.8% | 9.98 | -6.3% | 880 | C4 High aspect |
| Family | DYNAMIC PRO FLYING FISH |
|---|---|
| Size | 830 |
| Area, cm² | 830 |
| Area basis | unknown |
| Span, mm | 940 |
| Chord, mm | — |
| Aspect ratio | 10.65 |
| Band | C4 High aspect |
| Brand files it under | Downwind |
| Disciplines | downwind, wing, prone |
| Construction | T800 and M40 carbon |
| Model year | — |
| Source | manufacturer |
The brand's published aspect ratio contradicts its own span and area by more than 10%, so the geometric figure (span² ÷ area) is used instead and the row is filed as a brand data error.
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.