Nautor 43 vs Swan 40
How do the Nautor 43 and Swan 40 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Nautor 43 
Swan 40 | Nautor 43 | Swan 40 | |
|---|---|---|
| Length overall | 31.5 ft9.60 m | 39.3 ft11.98 m |
| Waterline length | 31.5 ft9.60 m | 28.5 ft8.70 m |
| Beam | 13.8 ft4.22 m | 10.8 ft3.30 m |
| Draft | 5.9 ft1.80 m | 6.7 ft2.05 m |
| Displacement | 33,069 lb15,000 kg | 18,960 lb8,600 kg |
| Ballast | 9,040 lb4,100 kg | 7,900 lb3,583 kg |
| Sail area | 832 ft²77.3 m² | 709 ft²65.9 m² |
| SA / Displacement | 12.92 | 15.95 |
| Displacement / Length | 472 | 364 |
| Comfort ratio | 49.0 | 38.6 |
| Capsize screening | 1.73 | 1.62 |
| Hull speed (kn) | 7.5 | 7.2 |
Nautor 43 vs Swan 40: the short version
- The Swan 40 is the larger boat at 39.3 ft11.98 m LOA versus 31.5 ft9.60 m for the Nautor 43.
- The Nautor 43 is heavier, displacing about 74% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Swan 40 carries the more powerful rig (16.0 vs 12.9), favouring lighter-air performance.
- The Nautor 43 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Swan 40 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.