Swan 115 vs Swan 80 Mk II
How do the Swan 115 and Swan 80 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 80 Mk II | |
|---|---|---|
| Length overall | 107.7 ft32.84 m | 72.8 ft22.19 m |
| Waterline length | 107.7 ft32.84 m | 72.8 ft22.19 m |
| Beam | 26.6 ft8.12 m | 19.9 ft6.08 m |
| Draft | 11.5 ft3.50 m | 13.1 ft4.00 m |
| Displacement | 203,928 lb92,500 kg | 79,146 lb35,900 kg |
| Ballast | 70,547 lb32,000 kg | 39,683 lb18,000 kg |
| Sail area | 7,025 ft²652.6 m² | 3,314 ft²307.9 m² |
| SA / Displacement | 32.44 | 28.76 |
| Displacement / Length | 73 | 92 |
| Comfort ratio | 37.0 | 31.2 |
| Capsize screening | 1.81 | 1.86 |
| Hull speed (kn) | 13.9 | 11.4 |
Swan 115 vs Swan 80 Mk II: the short version
- The Swan 115 is the larger boat at 107.7 ft32.84 m LOA versus 72.8 ft22.19 m for the Swan 80 Mk II.
- The Swan 115 is heavier, displacing about 158% 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 28.8), favouring lighter-air performance.
- The Swan 115 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Swan 115 rates better for offshore work (1.81 vs 1.86).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.