North Sonar DW820 DW820 hydrofoil front wing: 820 cm², with its closest equivalents from other brands within ±5% area and ±8% aspect ratio. Figures from North's own published specifications.
No current wing from another brand sits within ±5% of area and ±8% of aspect ratio of this one. It has no direct cross-brand equivalent in the dataset.
| Family | Sonar DW (Downwind Series) |
|---|---|
| Size | DW820 |
| Area, cm² | 820 |
| Area basis | unknown |
| Span, mm | — |
| Chord, mm | — |
| Aspect ratio | — |
| Band | — |
| Brand files it under | Downwind |
| Disciplines | downwind, sup |
| Construction | carbon pre-preg |
| Model year | 2026 |
| Source | manufacturer |
The brand publishes no aspect ratio for this wing, and no span to derive one from — area alone cannot give it. That is why the aspect ratio and band rows above are empty, and why this wing does not appear on the plot.
See North 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.