Sabfoil Blackbird Razor 737 Blackbird Razor 737 hydrofoil front wing: 648 cm², 737 mm span, aspect ratio 8.40, with its closest equivalents from other brands within ±5% area and ±8% aspect ratio. Figures from Sabfoil'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 | Flare Front Wing 650 | 650 | +0.3% | 8.30 | -1.2% | 720 | C2 Mid-low aspect |
| Slingshot | One-Lock Glide 625 | 625 | -3.5% | 8.40 | +0.0% | 724 | C2 Mid-low aspect |
| F-One | SK8 HM Carbon (T2) SK8 HM CARBON 650 | 650 | +0.3% | 8.10 | -3.6% | 725 | C2 Mid-low aspect |
| GONG | Curve H V3 FG XXS | 620 | -4.3% | 8.40 | +0.0% | 720 | C2 Mid-low aspect |
| GONG | Ypra Surf Carve V3 Atmo S | 620 | -4.3% | 8.20 | -2.4% | 710 | C2 Mid-low aspect |
| AFS | Silk V2 Front Wing Silk 650 | 650 | +0.3% | 9.00 | +7.1% | 765 | C3 Mid aspect |
| Unifoil | Aggression 105 Aggression 105 | 677 | +4.5% | 8.10 | -3.6% | 740 | C2 Mid-low aspect |
| KT Foiling | Halo 670 Halo 670 | 670 | +3.4% | 8.00 | -4.8% | 725 | C2 Mid-low aspect |
| Levitaz | Front Wing FS 680 FS 680 | 680 | +4.9% | 8.70 | +3.6% | 770 | C3 Mid aspect |
| GONG | Ypra Freestyle V3 M | 680 | +4.9% | 7.80 | -7.1% | 730 | C2 Mid-low aspect |
| Family | Razor Blackbird |
|---|---|
| Size | Blackbird Razor 737 |
| Area, cm² | 648 |
| Area basis | unknown |
| Span, mm | 737 |
| Chord, mm | 108 |
| Aspect ratio | 8.40 |
| Band | C2 Mid-low aspect |
| Brand files it under | Glide / high aspect |
| Disciplines | kite, wing, prone, downwind |
| Construction | full carbon monobloc |
| Model year | 2025-2026 |
| 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 Sabfoil 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.