Catalina 310 vs Roue 20
How do the Catalina 310 and Roue 20 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Catalina 310 
Roue 20 | Catalina 310 | Roue 20 | |
|---|---|---|
| Length overall | 31.0 ft9.45 m | 31.0 ft9.45 m |
| Waterline length | 26.5 ft8.08 m | 21.0 ft6.40 m |
| Beam | 11.5 ft3.51 m | 8.0 ft2.44 m |
| Draft | 5.8 ft1.75 m | 4.2 ft1.28 m |
| Displacement | 10,300 lb4,672 kg | 4,700 lb2,132 kg |
| Ballast | 4,000 lb1,814 kg | —— |
| Sail area | 493 ft²45.8 m² | 382 ft²35.5 m² |
| SA / Displacement | 16.66 | 21.78 |
| Displacement / Length | 247 | 227 |
| Comfort ratio | 22.1 | 19.0 |
| Capsize screening | 2.11 | 1.91 |
| Hull speed (kn) | 6.9 | 6.1 |
Catalina 310 vs Roue 20: the short version
- The Catalina 310 and Roue 20 are close in length (31.0 ft9.45 m vs 31.0 ft9.45 m ).
- The Catalina 310 is heavier, displacing about 119% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Roue 20 carries the more powerful rig (21.8 vs 16.7), favouring lighter-air performance.
- The Catalina 310 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Roue 20 rates better for offshore work (1.91 vs 2.11).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.