Core Sound 20 Mark 3 vs Cracksman 20
How do the Core Sound 20 Mark 3 and Cracksman 20 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Core Sound 20 Mark 3 
Cracksman 20 | Core Sound 20 Mark 3 | Cracksman 20 | |
|---|---|---|
| Length overall | 20.0 ft6.10 m | 20.0 ft6.10 m |
| Waterline length | —— | 16.0 ft4.88 m |
| Beam | 6.5 ft1.99 m | 8.0 ft2.44 m |
| Draft | 3.9 ft1.20 m | —— |
| Displacement | 1,500 lb680 kg | 1,151 lb522 kg |
| Ballast | 438 lb199 kg | —— |
| Sail area | 180 ft²16.7 m² | —— |
| SA / Displacement | 21.98 | — |
| Displacement / Length | — | 125 |
| Comfort ratio | — | 6.5 |
| Capsize screening | 2.28 | 3.06 |
| Hull speed (kn) | — | 5.4 |
Core Sound 20 Mark 3 vs Cracksman 20: the short version
- The Core Sound 20 Mark 3 and Cracksman 20 are close in length (20.0 ft6.10 m vs 20.0 ft6.10 m ).
- The Core Sound 20 Mark 3 is heavier, displacing about 30% more, which usually means a steadier but slower-to-accelerate hull.
- By the capsize screening formula the Core Sound 20 Mark 3 rates better for offshore work (2.28 vs 3.06).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.