Nautor 105 vs Swan 131
How do the Nautor 105 and Swan 131 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
| Nautor 105 | Swan 131 | |
|---|---|---|
| Length overall | 82.3 ft25.10 m | 114.7 ft34.96 m |
| Waterline length | 82.3 ft25.10 m | 114.7 ft34.96 m |
| Beam | 25.4 ft7.74 m | 27.9 ft8.50 m |
| Draft | 13.2 ft4.02 m | 15.4 ft4.70 m |
| Displacement | 249,122 lb113,000 kg | 396,832 lb180,000 kg |
| Ballast | —— | 79,366 lb36,000 kg |
| Sail area | 5,412 ft²502.8 m² | —— |
| SA / Displacement | 21.87 | — |
| Displacement / Length | 199 | 117 |
| Comfort ratio | 63.0 | 63.6 |
| Capsize screening | 1.61 | 1.52 |
| Hull speed (kn) | 12.2 | 14.4 |
Nautor 105 vs Swan 131: the short version
- The Swan 131 is the larger boat at 114.7 ft34.96 m LOA versus 82.3 ft25.10 m for the Nautor 105.
- The Swan 131 is heavier, displacing about 59% more, which usually means a steadier but slower-to-accelerate hull.
- The Swan 131 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Swan 131 rates better for offshore work (1.52 vs 1.61).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.