Aquarius 21 vs Balboa 22
How do the Aquarius 21 and Balboa 22 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 | Balboa 22 | |
|---|---|---|
| Length overall | 21.0 ft6.40 m | 21.6 ft6.58 m |
| Waterline length | 18.3 ft5.56 m | 19.0 ft5.79 m |
| Beam | 7.8 ft2.38 m | 8.0 ft2.44 m |
| Draft | 4.5 ft1.37 m | 5.5 ft1.68 m |
| Displacement | 1,900 lb862 kg | 1,980 lb898 kg |
| Ballast | 665 lb302 kg | 600 lb272 kg |
| Sail area | 163 ft²15.1 m² | 206 ft²19.1 m² |
| SA / Displacement | 17.00 | 20.90 |
| Displacement / Length | 140 | 129 |
| Comfort ratio | 9.9 | 9.7 |
| Capsize screening | 2.53 | 2.55 |
| Hull speed (kn) | 5.7 | 5.8 |
Aquarius 21 vs Balboa 22: the short version
- The Balboa 22 is the larger boat at 21.6 ft6.58 m LOA versus 21.0 ft6.40 m for the Aquarius 21.
- On sail area/displacement the Balboa 22 carries the more powerful rig (20.9 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 2.55).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.