Nautor 43 vs Swan 651
How do the Nautor 43 and Swan 651 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Nautor 43 | Nautor 43 | Swan 651 | |
|---|---|---|
| Length overall | 31.5 ft9.60 m | 55.1 ft16.80 m |
| Waterline length | 31.5 ft9.60 m | 55.1 ft16.80 m |
| Beam | 13.8 ft4.22 m | 17.4 ft5.30 m |
| Draft | 5.9 ft1.80 m | 11.5 ft3.50 m |
| Displacement | 33,069 lb15,000 kg | 79,366 lb36,000 kg |
| Ballast | 9,040 lb4,100 kg | 31,700 lb14,379 kg |
| Sail area | 832 ft²77.3 m² | —— |
| SA / Displacement | 12.92 | — |
| Displacement / Length | 472 | 212 |
| Comfort ratio | 49.0 | 49.6 |
| Capsize screening | 1.73 | 1.62 |
| Hull speed (kn) | 7.5 | 9.9 |
Nautor 43 vs Swan 651: the short version
- The Swan 651 is the larger boat at 55.1 ft16.80 m LOA versus 31.5 ft9.60 m for the Nautor 43.
- The Swan 651 is heavier, displacing about 140% more, which usually means a steadier but slower-to-accelerate hull.
- The Swan 651 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Swan 651 rates better for offshore work (1.62 vs 1.73).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.