Corvette 31 vs Mamba 311
How do the Corvette 31 and Mamba 311 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Corvette 31 
Mamba 311 | Corvette 31 | Mamba 311 | |
|---|---|---|
| Length overall | 31.2 ft9.50 m | 31.2 ft9.50 m |
| Waterline length | 22.5 ft6.86 m | 26.3 ft8.00 m |
| Beam | 9.1 ft2.77 m | 10.1 ft3.07 m |
| Draft | 7.0 ft2.13 m | 5.4 ft1.65 m |
| Displacement | 8,545 lb3,876 kg | 7,275 lb3,300 kg |
| Ballast | 4,000 lb1,814 kg | 3,527 lb1,600 kg |
| Sail area | 444 ft²41.2 m² | 560 ft²52.0 m² |
| SA / Displacement | 17.00 | 23.86 |
| Displacement / Length | 335 | 180 |
| Comfort ratio | 27.9 | 18.7 |
| Capsize screening | 1.78 | 2.08 |
| Hull speed (kn) | 6.4 | 6.9 |
| Average used price | — | €16,900 |
Corvette 31 vs Mamba 311: the short version
- The Corvette 31 and Mamba 311 are close in length (31.2 ft9.50 m vs 31.2 ft9.50 m ).
- The Corvette 31 is heavier, displacing about 17% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Mamba 311 carries the more powerful rig (23.9 vs 17.0), favouring lighter-air performance.
- The Corvette 31 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Corvette 31 rates better for offshore work (1.78 vs 2.08).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.