Archambault A40 vs M34
How do the Archambault A40 and M34 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Archambault A40 
M34 | Archambault A40 | M34 | |
|---|---|---|
| Length overall | 39.3 ft11.99 m | 34.0 ft10.36 m |
| Waterline length | 36.9 ft11.25 m | 33.1 ft10.08 m |
| Beam | 12.3 ft3.76 m | 9.8 ft2.97 m |
| Draft | 7.9 ft2.41 m | 8.2 ft2.49 m |
| Displacement | 13,669 lb6,200 kg | 5,952 lb2,700 kg |
| Ballast | 5,512 lb2,500 kg | 2,315 lb1,050 kg |
| Sail area | 838 ft²77.9 m² | 764 ft²71.0 m² |
| SA / Displacement | 23.45 | 37.22 |
| Displacement / Length | 121 | 73 |
| Comfort ratio | 19.8 | 13.3 |
| Capsize screening | 2.06 | 2.15 |
| Hull speed (kn) | 8.1 | 7.7 |
Archambault A40 vs M34: the short version
- The Archambault A40 is the larger boat at 39.3 ft11.99 m LOA versus 34.0 ft10.36 m for the M34.
- The Archambault A40 is heavier, displacing about 130% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the M34 carries the more powerful rig (37.2 vs 23.5), favouring lighter-air performance.
- The Archambault A40 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Archambault A40 rates better for offshore work (2.06 vs 2.15).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.