Swan 115 vs Swan 77
How do the Swan 115 and Swan 77 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
| Swan 115 | Swan 77 | |
|---|---|---|
| Length overall | 107.7 ft32.84 m | 60.3 ft18.38 m |
| Waterline length | 107.7 ft32.84 m | 60.3 ft18.38 m |
| Beam | 26.6 ft8.12 m | 19.7 ft6.00 m |
| Draft | 11.5 ft3.50 m | 11.2 ft3.40 m |
| Displacement | 203,928 lb92,500 kg | 112,436 lb51,000 kg |
| Ballast | 70,547 lb32,000 kg | 39,683 lb18,000 kg |
| Sail area | 7,025 ft²652.6 m² | 2,811 ft²261.2 m² |
| SA / Displacement | 32.44 | 19.31 |
| Displacement / Length | 73 | 229 |
| Comfort ratio | 37.0 | 54.5 |
| Capsize screening | 1.81 | 1.63 |
| Hull speed (kn) | 13.9 | 10.4 |
Swan 115 vs Swan 77: the short version
- The Swan 115 is the larger boat at 107.7 ft32.84 m LOA versus 60.3 ft18.38 m for the Swan 77.
- The Swan 115 is heavier, displacing about 81% 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 19.3), favouring lighter-air performance.
- The Swan 77 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Swan 77 rates better for offshore work (1.63 vs 1.81).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.