ClubSwan 50 vs Swan 391
How do the ClubSwan 50 and Swan 391 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
ClubSwan 50 
Swan 391 | ClubSwan 50 | Swan 391 | |
|---|---|---|
| Length overall | 54.9 ft16.74 m | 33.1 ft10.08 m |
| Waterline length | 45.9 ft14.00 m | 33.1 ft10.08 m |
| Beam | 13.8 ft4.20 m | 12.4 ft3.79 m |
| Draft | 11.5 ft3.50 m | 7.2 ft2.19 m |
| Displacement | 18,739 lb8,500 kg | 18,900 lb8,573 kg |
| Ballast | 7,605 lb3,450 kg | 6,800 lb3,084 kg |
| Sail area | 1,700 ft²157.9 m² | 767 ft²71.3 m² |
| SA / Displacement | 38.55 | 17.30 |
| Displacement / Length | 86 | 233 |
| Comfort ratio | 18.1 | 30.8 |
| Capsize screening | 2.08 | 1.87 |
| Hull speed (kn) | 9.1 | 7.7 |
ClubSwan 50 vs Swan 391: the short version
- The ClubSwan 50 is the larger boat at 54.9 ft16.74 m LOA versus 33.1 ft10.08 m for the Swan 391.
- On sail area/displacement the ClubSwan 50 carries the more powerful rig (38.6 vs 17.3), favouring lighter-air performance.
- The Swan 391 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Swan 391 rates better for offshore work (1.87 vs 2.08).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.