Aquarius 21 vs Bay Hen 21
How do the Aquarius 21 and Bay Hen 21 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Aquarius 21 | Aquarius 21 | Bay Hen 21 | |
|---|---|---|
| Length overall | 21.0 ft6.40 m | 21.0 ft6.40 m |
| Waterline length | 18.3 ft5.56 m | 18.3 ft5.56 m |
| Beam | 7.8 ft2.38 m | 6.3 ft1.91 m |
| Draft | 4.5 ft1.37 m | 3.5 ft1.07 m |
| Displacement | 1,900 lb862 kg | 900 lb408 kg |
| Ballast | 665 lb302 kg | —— |
| Sail area | 163 ft²15.1 m² | 175 ft²16.3 m² |
| SA / Displacement | 17.00 | 30.04 |
| Displacement / Length | 140 | 66 |
| Comfort ratio | 9.9 | 6.3 |
| Capsize screening | 2.53 | 2.59 |
| Hull speed (kn) | 5.7 | 5.7 |
Aquarius 21 vs Bay Hen 21: the short version
- The Aquarius 21 and Bay Hen 21 are close in length (21.0 ft6.40 m vs 21.0 ft6.40 m ).
- The Aquarius 21 is heavier, displacing about 111% 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 17.0), favouring lighter-air performance.
- The Aquarius 21 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Aquarius 21 rates better for offshore work (2.53 vs 2.59).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.