Archambault A31 vs Archambault A40RC
How do the Archambault A31 and Archambault A40RC compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Archambault A31 | Archambault A31 | Archambault A40RC | |
|---|---|---|
| Length overall | 31.3 ft9.54 m | 39.3 ft11.98 m |
| Waterline length | —— | 34.6 ft10.54 m |
| Beam | 10.6 ft3.22 m | 12.3 ft3.75 m |
| Draft | 6.2 ft1.88 m | 8.1 ft2.48 m |
| Displacement | 6,945 lb3,150 kg | 14,661 lb6,650 kg |
| Ballast | 2,976 lb1,350 kg | 6,834 lb3,100 kg |
| Sail area | 555 ft²51.6 m² | 980 ft²91.0 m² |
| SA / Displacement | 24.39 | 26.18 |
| Displacement / Length | — | 158 |
| Comfort ratio | — | 22.3 |
| Capsize screening | 2.22 | 2.01 |
| Hull speed (kn) | — | 7.9 |
Archambault A31 vs Archambault A40RC: the short version
- The Archambault A40RC is the larger boat at 39.3 ft11.98 m LOA versus 31.3 ft9.54 m for the Archambault A31.
- The Archambault A40RC is heavier, displacing about 111% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Archambault A40RC carries the more powerful rig (26.2 vs 24.4), favouring lighter-air performance.
- By the capsize screening formula the Archambault A40RC rates better for offshore work (2.01 vs 2.22).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.