Archambault A27 vs Archambault A31
How do the Archambault A27 and Archambault A31 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Archambault A27 | Archambault A27 | Archambault A31 | |
|---|---|---|
| Length overall | 27.4 ft8.35 m | 31.3 ft9.54 m |
| Waterline length | 23.8 ft7.25 m | —— |
| Beam | 9.8 ft2.98 m | 10.6 ft3.22 m |
| Draft | 5.4 ft1.65 m | 6.2 ft1.88 m |
| Displacement | 4,750 lb2,155 kg | 6,945 lb3,150 kg |
| Ballast | 1,764 lb800 kg | 2,976 lb1,350 kg |
| Sail area | 446 ft²41.4 m² | 555 ft²51.6 m² |
| SA / Displacement | 25.25 | 24.39 |
| Displacement / Length | 157 | — |
| Comfort ratio | 14.2 | — |
| Capsize screening | 2.33 | 2.22 |
| Hull speed (kn) | 6.5 | — |
Archambault A27 vs Archambault A31: the short version
- The Archambault A31 is the larger boat at 31.3 ft9.54 m LOA versus 27.4 ft8.35 m for the Archambault A27.
- The Archambault A31 is heavier, displacing about 46% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Archambault A27 carries the more powerful rig (25.3 vs 24.4), favouring lighter-air performance.
- By the capsize screening formula the Archambault A31 rates better for offshore work (2.22 vs 2.33).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.