Bay Hen 21 vs Sirius 22
How do the Bay Hen 21 and Sirius 22 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Bay Hen 21 
Sirius 22 | Bay Hen 21 | Sirius 22 | |
|---|---|---|
| Length overall | 21.0 ft6.40 m | 21.0 ft6.40 m |
| Waterline length | 18.3 ft5.56 m | 18.8 ft5.71 m |
| Beam | 6.3 ft1.91 m | 7.9 ft2.41 m |
| Draft | 3.5 ft1.07 m | 5.0 ft1.52 m |
| Displacement | 900 lb408 kg | 2,000 lb907 kg |
| Ballast | —— | 525 lb238 kg |
| Sail area | 175 ft²16.3 m² | 205 ft²19.0 m² |
| SA / Displacement | 30.04 | 20.66 |
| Displacement / Length | 66 | 135 |
| Comfort ratio | 6.3 | 10.1 |
| Capsize screening | 2.59 | 2.51 |
| Hull speed (kn) | 5.7 | 5.8 |
Bay Hen 21 vs Sirius 22: the short version
- The Bay Hen 21 and Sirius 22 are close in length (21.0 ft6.40 m vs 21.0 ft6.40 m ).
- The Sirius 22 is heavier, displacing about 122% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Bay Hen 21 carries the more powerful rig (30.0 vs 20.7), favouring lighter-air performance.
- The Sirius 22 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Sirius 22 rates better for offshore work (2.51 vs 2.59).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.