Sirius 22 vs Sirius 28
How do the Sirius 22 and Sirius 28 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Sirius 22 
Sirius 28 | Sirius 22 | Sirius 28 | |
|---|---|---|
| Length overall | 21.0 ft6.40 m | 28.0 ft8.53 m |
| Waterline length | 18.8 ft5.71 m | 24.0 ft7.32 m |
| Beam | 7.9 ft2.41 m | 9.7 ft2.95 m |
| Draft | 5.0 ft1.52 m | 4.3 ft1.31 m |
| Displacement | 2,000 lb907 kg | 6,700 lb3,039 kg |
| Ballast | 525 lb238 kg | 2,600 lb1,179 kg |
| Sail area | 205 ft²19.0 m² | 379 ft²35.2 m² |
| SA / Displacement | 20.66 | 17.06 |
| Displacement / Length | 135 | 216 |
| Comfort ratio | 10.1 | 20.0 |
| Capsize screening | 2.51 | 2.05 |
| Hull speed (kn) | 5.8 | 6.6 |
Sirius 22 vs Sirius 28: the short version
- The Sirius 28 is the larger boat at 28.0 ft8.53 m LOA versus 21.0 ft6.40 m for the Sirius 22.
- The Sirius 28 is heavier, displacing about 235% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Sirius 22 carries the more powerful rig (20.7 vs 17.1), favouring lighter-air performance.
- The Sirius 28 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Sirius 28 rates better for offshore work (2.05 vs 2.51).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.