Swan 37 vs Swan 48 Frers
How do the Swan 37 and Swan 48 Frers compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Swan 37 
Swan 48 Frers | Swan 37 | Swan 48 Frers | |
|---|---|---|
| Length overall | 37.0 ft11.28 m | 41.0 ft12.50 m |
| Waterline length | 27.0 ft8.23 m | 41.0 ft12.50 m |
| Beam | 10.0 ft3.05 m | 14.2 ft4.32 m |
| Draft | 6.4 ft1.95 m | 7.8 ft2.38 m |
| Displacement | 15,400 lb6,985 kg | 31,526 lb14,300 kg |
| Ballast | 7,300 lb3,311 kg | 12,100 lb5,488 kg |
| Sail area | —— | 1,142 ft²106.1 m² |
| SA / Displacement | — | 18.31 |
| Displacement / Length | 349 | 204 |
| Comfort ratio | 36.9 | 34.8 |
| Capsize screening | 1.61 | 1.79 |
| Hull speed (kn) | 7.0 | 8.6 |
Swan 37 vs Swan 48 Frers: the short version
- The Swan 48 Frers is the larger boat at 41.0 ft12.50 m LOA versus 37.0 ft11.28 m for the Swan 37.
- The Swan 48 Frers is heavier, displacing about 105% more, which usually means a steadier but slower-to-accelerate hull.
- The Swan 37 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Swan 37 rates better for offshore work (1.61 vs 1.79).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.