KT Foiling Atlas 680 Atlas 680 hydrofoil front wing: 680 cm², 850 mm span, aspect ratio 10.60, with its closest equivalents from other brands within ±5% area and ±8% aspect ratio. Figures from KT Foiling'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 700 | 700 | +2.9% | 10.70 | +0.9% | 865 | C4 High aspect |
| Armstrong | HA (High Aspect) HA680 | 680 | +0.0% | 10.00 | -5.7% | 828 | C4 High aspect |
| AFS | Enduro Front Wing Enduro 700 | 700 | +2.9% | 11.00 | +3.8% | 877 | C4 High aspect |
| Takoon | Flash Front Wing 680 | 680 | +0.0% | 9.80 | -7.5% | 815 | C4 High aspect |
| Omen | Agent 700 Agent 700 | 700 | +2.9% | 10.10 | -4.7% | 843 | C4 High aspect |
| GONG | Ypra Race V3 670 cm² | 670 | -1.5% | 9.90 | -6.6% | 820 | C4 High aspect |
| Naish | Mach-2 Front Wing Mach-2 711 | 711 | +4.6% | 10.16 | -4.2% | 850 | C4 High aspect |
| North | Sonar HA650 HA650 | 650 | -4.4% | 10.10 | -4.7% | 810 | C4 High aspect |
| GONG | Hyper Trail V3 Atmo S | 700 | +2.9% | 11.40 | +7.5% | 890 | C4 High aspect |
| Axis | ART v2 ART v2 819 | 647 | -4.9% | 9.98 | -5.8% | 820 | C4 High aspect |
| Family | Atlas |
|---|---|
| Size | Atlas 680 |
| Area, cm² | 680 |
| Area basis | unknown |
| Span, mm | 850 |
| Chord, mm | — |
| Aspect ratio | 10.60 |
| Band | C4 High aspect |
| Brand files it under | Glide / high aspect |
| Disciplines | prone, wing, downwind, sup, wake, pump, tow, kite, race |
| Construction | standard-modulus carbon plus |
| 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 KT Foiling 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.