ClubSwan 42 vs Swan 46 Mk III
How do the ClubSwan 42 and Swan 46 Mk III compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
ClubSwan 42 
Swan 46 Mk III | ClubSwan 42 | Swan 46 Mk III | |
|---|---|---|
| Length overall | 37.0 ft11.29 m | 46.6 ft14.20 m |
| Waterline length | 37.0 ft11.29 m | 39.6 ft12.06 m |
| Beam | 12.9 ft3.93 m | 14.0 ft4.26 m |
| Draft | 8.9 ft2.70 m | 7.2 ft2.20 m |
| Displacement | 16,865 lb7,650 kg | 32,408 lb14,700 kg |
| Ballast | 7,046 lb3,196 kg | 12,125 lb5,500 kg |
| Sail area | 1,176 ft²109.3 m² | 1,179 ft²109.5 m² |
| SA / Displacement | 28.61 | 18.56 |
| Displacement / Length | 148 | 234 |
| Comfort ratio | 23.4 | 35.8 |
| Capsize screening | 2.01 | 1.75 |
| Hull speed (kn) | 8.2 | 8.4 |
ClubSwan 42 vs Swan 46 Mk III: the short version
- The Swan 46 Mk III is the larger boat at 46.6 ft14.20 m LOA versus 37.0 ft11.29 m for the ClubSwan 42.
- The Swan 46 Mk III is heavier, displacing about 92% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the ClubSwan 42 carries the more powerful rig (28.6 vs 18.6), favouring lighter-air performance.
- The Swan 46 Mk III scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Swan 46 Mk III rates better for offshore work (1.75 vs 2.01).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.