Swan 115 vs Swan 57 Mk II
How do the Swan 115 and Swan 57 Mk II compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Swan 115 | Swan 115 | Swan 57 Mk II | |
|---|---|---|
| Length overall | 107.7 ft32.84 m | 44.5 ft13.57 m |
| Waterline length | 107.7 ft32.84 m | 44.5 ft13.57 m |
| Beam | 26.6 ft8.12 m | 15.9 ft4.85 m |
| Draft | 11.5 ft3.50 m | 7.2 ft2.20 m |
| Displacement | 203,928 lb92,500 kg | 54,013 lb24,500 kg |
| Ballast | 70,547 lb32,000 kg | 20,348 lb9,230 kg |
| Sail area | 7,025 ft²652.6 m² | 1,350 ft²125.4 m² |
| SA / Displacement | 32.44 | 15.12 |
| Displacement / Length | 73 | 273 |
| Comfort ratio | 37.0 | 47.1 |
| Capsize screening | 1.81 | 1.68 |
| Hull speed (kn) | 13.9 | 8.9 |
Swan 115 vs Swan 57 Mk II: the short version
- The Swan 115 is the larger boat at 107.7 ft32.84 m LOA versus 44.5 ft13.57 m for the Swan 57 Mk II.
- The Swan 115 is heavier, displacing about 278% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Swan 115 carries the more powerful rig (32.4 vs 15.1), favouring lighter-air performance.
- The Swan 57 Mk II scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Swan 57 Mk II rates better for offshore work (1.68 vs 1.81).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.