Swan 115 vs Swan 651
How do the Swan 115 and Swan 651 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 651 | |
|---|---|---|
| Length overall | 107.7 ft32.84 m | 55.1 ft16.80 m |
| Waterline length | 107.7 ft32.84 m | 55.1 ft16.80 m |
| Beam | 26.6 ft8.12 m | 17.4 ft5.30 m |
| Draft | 11.5 ft3.50 m | 11.5 ft3.50 m |
| Displacement | 203,928 lb92,500 kg | 79,366 lb36,000 kg |
| Ballast | 70,547 lb32,000 kg | 31,700 lb14,379 kg |
| Sail area | 7,025 ft²652.6 m² | —— |
| SA / Displacement | 32.44 | — |
| Displacement / Length | 73 | 212 |
| Comfort ratio | 37.0 | 49.6 |
| Capsize screening | 1.81 | 1.62 |
| Hull speed (kn) | 13.9 | 9.9 |
Swan 115 vs Swan 651: the short version
- The Swan 115 is the larger boat at 107.7 ft32.84 m LOA versus 55.1 ft16.80 m for the Swan 651.
- The Swan 115 is heavier, displacing about 157% 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 1.81).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.