Com-Pac Horizon Cat vs Core Sound 20 Mark 3
How do the Com-Pac Horizon Cat and Core Sound 20 Mark 3 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Com-Pac Horizon Cat 
Core Sound 20 Mark 3 | Com-Pac Horizon Cat | Core Sound 20 Mark 3 | |
|---|---|---|
| Length overall | 20.0 ft6.10 m | 20.0 ft6.10 m |
| Waterline length | 17.8 ft5.41 m | —— |
| Beam | 8.3 ft2.54 m | 6.5 ft1.99 m |
| Draft | 5.0 ft1.52 m | 3.9 ft1.20 m |
| Displacement | 2,500 lb1,134 kg | 1,500 lb680 kg |
| Ballast | 600 lb272 kg | 438 lb199 kg |
| Sail area | 205 ft²19.0 m² | 180 ft²16.7 m² |
| SA / Displacement | 17.81 | 21.98 |
| Displacement / Length | 200 | — |
| Comfort ratio | 12.4 | — |
| Capsize screening | 2.46 | 2.28 |
| Hull speed (kn) | 5.6 | — |
Com-Pac Horizon Cat vs Core Sound 20 Mark 3: the short version
- The Com-Pac Horizon Cat and Core Sound 20 Mark 3 are close in length (20.0 ft6.10 m vs 20.0 ft6.10 m ).
- The Com-Pac Horizon Cat is heavier, displacing about 67% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Core Sound 20 Mark 3 carries the more powerful rig (22.0 vs 17.8), favouring lighter-air performance.
- By the capsize screening formula the Core Sound 20 Mark 3 rates better for offshore work (2.28 vs 2.46).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.