COM-PAC 19 vs Com-Pac Sunday Cat
How do the COM-PAC 19 and Com-Pac Sunday Cat compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
COM-PAC 19 
Com-Pac Sunday Cat | COM-PAC 19 | Com-Pac Sunday Cat | |
|---|---|---|
| Length overall | 20.1 ft6.12 m | 17.3 ft5.28 m |
| Waterline length | 16.3 ft4.98 m | 15.0 ft4.57 m |
| Beam | 7.0 ft2.13 m | 7.4 ft2.26 m |
| Draft | 2.0 ft0.61 m | 4.5 ft1.37 m |
| Displacement | 2,000 lb907 kg | 1,500 lb680 kg |
| Ballast | 800 lb363 kg | 300 lb136 kg |
| Sail area | 153 ft²14.2 m² | 150 ft²13.9 m² |
| SA / Displacement | 15.42 | 18.32 |
| Displacement / Length | 205 | 198 |
| Comfort ratio | 13.3 | 10.3 |
| Capsize screening | 2.22 | 2.59 |
| Hull speed (kn) | 5.4 | 5.2 |
COM-PAC 19 vs Com-Pac Sunday Cat: the short version
- The COM-PAC 19 is the larger boat at 20.1 ft6.12 m LOA versus 17.3 ft5.28 m for the Com-Pac Sunday Cat.
- The COM-PAC 19 is heavier, displacing about 33% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Com-Pac Sunday Cat carries the more powerful rig (18.3 vs 15.4), favouring lighter-air performance.
- The COM-PAC 19 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the COM-PAC 19 rates better for offshore work (2.22 vs 2.59).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.