Corvette 31 vs Niagara 31
How do the Corvette 31 and Niagara 31 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Corvette 31 C&C Yachts at the Belleville Marine Yard (Morch Marine) · 1965 
Niagara 31 Hinterhoeller Yachts · 1977 | Corvette 31 | Niagara 31 | |
|---|---|---|
| Length overall | 31.2 ft9.50 m | 31.3 ft9.53 m |
| Waterline length | 22.5 ft6.86 m | 24.3 ft7.39 m |
| Beam | 9.1 ft2.77 m | 10.3 ft3.12 m |
| Draft | 7.0 ft2.13 m | 5.0 ft1.52 m |
| Displacement | 8,545 lb3,876 kg | 8,000 lb3,629 kg |
| Ballast | 4,000 lb1,814 kg | 3,550 lb1,610 kg |
| Sail area | 444 ft²41.2 m² | 492 ft²45.7 m² |
| SA / Displacement | 17.00 | 19.68 |
| Displacement / Length | 335 | 250 |
| Comfort ratio | 27.9 | 21.1 |
| Capsize screening | 1.78 | 2.05 |
| Hull speed (kn) | 6.4 | 6.6 |
Corvette 31 vs Niagara 31: the short version
- The Corvette 31 and Niagara 31 are close in length (31.2 ft9.50 m vs 31.3 ft9.53 m ).
- On sail area/displacement the Niagara 31 carries the more powerful rig (19.7 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 2.05).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.