Archambault Grand Surprise vs Suspens
How do the Archambault Grand Surprise and Suspens compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Archambault Grand Surprise 
Suspens | Archambault Grand Surprise | Suspens | |
|---|---|---|
| Length overall | 31.3 ft9.54 m | 30.4 ft9.25 m |
| Waterline length | 29.3 ft8.93 m | 25.6 ft7.80 m |
| Beam | 9.8 ft2.98 m | 9.8 ft3.00 m |
| Draft | 6.7 ft2.05 m | 5.9 ft1.80 m |
| Displacement | 58 lb26 kg | 6,118 lb2,775 kg |
| Ballast | 2,315 lb1,050 kg | 1,830 lb830 kg |
| Sail area | 602 ft²55.9 m² | 462 ft²42.9 m² |
| SA / Displacement | 642.83 | 22.10 |
| Displacement / Length | 1 | 163 |
| Comfort ratio | 0.1 | 16.6 |
| Capsize screening | 10.11 | 2.15 |
| Hull speed (kn) | 7.3 | 6.8 |
Archambault Grand Surprise vs Suspens: the short version
- The Archambault Grand Surprise is the larger boat at 31.3 ft9.54 m LOA versus 30.4 ft9.25 m for the Suspens.
- The Suspens is heavier, displacing about 10448% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Archambault Grand Surprise carries the more powerful rig (642.8 vs 22.1), favouring lighter-air performance.
- The Suspens scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Suspens rates better for offshore work (2.15 vs 10.11).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.