Armstrong HA (High Aspect) HA1180 hydrofoil front wing: 1,180 cm², 1,066 mm span, aspect ratio 9.63, with its closest equivalents from other brands within ±5% area and ±8% aspect ratio. Figures from Armstrong'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 |
|---|---|---|---|---|---|---|---|
| KT Foiling | Nomad 1160 Nomad 1160 | 1,160 | -1.7% | 9.50 | -1.3% | 1,050 | C3 Mid aspect |
| F-One | EAGLE HM Carbon EAGLE 1190 | 1,190 | +0.8% | 9.40 | -2.4% | 1,060 | C3 Mid aspect |
| Lift Foils | 180 Vario Front Wing 180 | 1,161 | -1.6% | 9.80 | +1.8% | 1,067 | C4 High aspect |
| Code Foils | S Series Front Wing 1130S | 1,130 | -4.2% | 9.50 | -1.3% | 1,035 | C3 Mid aspect |
| Unifoil | Evolution 175 Evolution 175 | 1,129 | -4.3% | 9.40 | -2.4% | 1,028 | C3 Mid aspect |
| GONG | Veloce V3 Atmo XL | 1,150 | -2.5% | 10.10 | +4.9% | 1,080 | C4 High aspect |
| Axis | ART v2 ART v2 1099 | 1,220 | +3.4% | 10.08 | +4.7% | 1,100 | C4 High aspect |
| Naish | Excalibur HA Front Wing Excalibur 1144 | 1,144 | -3.1% | 10.20 | +5.9% | 1,080 | C4 High aspect |
| AFS | Silk V2 Front Wing Silk 1150 | 1,150 | -2.5% | 9.00 | -6.5% | 1,017 | C3 Mid aspect |
| Axis | Surge Surge 1080 | 1,142 | -3.2% | 10.22 | +6.1% | 1,080 | C4 High aspect |
| Slingshot | One-Lock Glide 1125 | 1,125 | -4.7% | 8.90 | -7.6% | 999 | C3 Mid aspect |
| Family | HA |
|---|---|
| Size | HA1180 |
| Area, cm² | 1,180 |
| Area basis | unknown |
| Span, mm | 1,066 |
| Chord, mm | — |
| Aspect ratio | 9.63 |
| Band | C4 High aspect |
| Brand files it under | Glide / high aspect |
| Disciplines | prone, wing, downwind |
| Construction | carbon |
| 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 Armstrong 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.