Sabfoil Blackbird Razor 977 Blackbird Razor 977 hydrofoil front wing: 953 cm², 977 mm span, aspect ratio 10.20, 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 |
|---|---|---|---|---|---|---|---|
| Naish | Excalibur HA Front Wing Excalibur 944 | 944 | -0.9% | 10.20 | +0.0% | 982 | C4 High aspect |
| Lift Foils | 150 High Aspect X Front Wing 150 | 968 | +1.6% | 10.10 | -1.0% | 991 | C4 High aspect |
| North | Sonar HA950 HA950 | 950 | -0.3% | 10.60 | +3.9% | 1,000 | C4 High aspect |
| KT Foiling | Atlas 960 Atlas 960 | 960 | +0.7% | 10.80 | +5.9% | 1,020 | C4 High aspect |
| Axis | Surge Surge 950 | 949 | -0.4% | 9.52 | -6.7% | 950 | C4 High aspect |
| Armstrong | HA (High Aspect) HA980 | 980 | +2.8% | 9.68 | -5.1% | 974 | C4 High aspect |
| Code Foils | S Series Front Wing 980S | 980 | +2.8% | 9.50 | -6.9% | 965 | C3 Mid aspect |
| F-One | EAGLE HM Carbon EAGLE 990 | 990 | +3.9% | 9.50 | -6.9% | 970 | C3 Mid aspect |
| Unifoil | Evolution 155 Evolution 155 | 1,000 | +4.9% | 9.40 | -7.8% | 968 | C3 Mid aspect |
| AFS | Enduro Front Wing Enduro 1000 | 1,000 | +4.9% | 11.00 | +7.8% | 1,050 | C4 High aspect |
| Slingshot | One-Lock Flow 1000 | 1,000 | +4.9% | 11.00 | +7.8% | 1,049 | C4 High aspect |
| Family | Razor Blackbird |
|---|---|
| Size | Blackbird Razor 977 |
| Area, cm² | 953 |
| Area basis | unknown |
| Span, mm | 977 |
| Chord, mm | 119 |
| Aspect ratio | 10.20 |
| Band | C4 High aspect |
| Brand files it under | Glide / high aspect |
| Disciplines | wing, prone, pump, sup, 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.