RRD Universal Mantaray Front Wing Y30 650 hydrofoil front wing: 650 cm², 670 mm span, aspect ratio 6.90, 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 |
|---|---|---|---|---|---|---|---|
| Cabrinha | Rebound 650 | 650 | +0.0% | 6.90 | +0.0% | 670 | C2 Mid-low aspect |
| Naish | Ultra Jet Front Wing Ultra Jet 650 | 650 | +0.0% | 7.11 | +3.0% | 680 | C2 Mid-low aspect |
| Duotone | Carve 3.0 D/LAB 650 | 650 | +0.0% | 7.20 | +4.3% | 680 | C2 Mid-low aspect |
| GONG | Ypra Surf-Freestyle V3 S | 620 | -4.6% | 6.81 | -1.3% | 650 | C2 Mid-low aspect |
| GONG | Ypra Surf-Freestyle V3 Atmo S | 620 | -4.6% | 6.80 | -1.4% | 650 | C2 Mid-low aspect |
| GONG | Ypra Surf-Freestyle V3 Atmo M | 680 | +4.6% | 6.80 | -1.4% | 680 | C2 Mid-low aspect |
| Takuma | Kujira II Front Wing Kujira II 650 | 650 | +0.0% | 7.40 | +7.2% | 690 | C2 Mid-low aspect |
| Lift Foils | 105 Havoc Front Wing 105 | 677 | +4.2% | 7.20 | +4.3% | 699 | C2 Mid-low aspect |
| GONG | Ypra Freestyle Micro V3 Atmo M | 660 | +1.5% | 7.40 | +7.2% | 700 | C2 Mid-low aspect |
| F-One | ESCAPE HM Carbon ESCAPE 630 | 630 | -3.1% | 6.50 | -5.8% | 640 | C2 Mid-low aspect |
| Family | UNIVERSAL MANTARAY |
|---|---|
| Size | 650 |
| Area, cm² | 650 |
| Area basis | unknown |
| Span, mm | 670 |
| Chord, mm | — |
| Aspect ratio | 6.90 |
| Band | C2 Mid-low aspect |
| Brand files it under | All-round / freeride |
| Disciplines | wing, prone |
| Construction | Full Carbon |
| 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.