Bluejacket MS 23 vs Halman 20
How do the Bluejacket MS 23 and Halman 20 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Bluejacket MS 23 
Halman 20 | Bluejacket MS 23 | Halman 20 | |
|---|---|---|
| Length overall | 24.3 ft7.39 m | 19.7 ft6.00 m |
| Waterline length | 20.8 ft6.32 m | 17.1 ft5.21 m |
| Beam | 10.0 ft3.05 m | 7.8 ft2.36 m |
| Draft | 2.3 ft0.69 m | 2.8 ft0.86 m |
| Displacement | 6,000 lb2,722 kg | 2,500 lb1,134 kg |
| Ballast | 700 lb318 kg | 1,000 lb454 kg |
| Sail area | 215 ft²20.0 m² | 179 ft²16.6 m² |
| SA / Displacement | 10.42 | 15.55 |
| Displacement / Length | 300 | 224 |
| Comfort ratio | 19.8 | 14.1 |
| Capsize screening | 2.20 | 2.28 |
| Hull speed (kn) | 6.1 | 5.5 |
Bluejacket MS 23 vs Halman 20: the short version
- The Bluejacket MS 23 is the larger boat at 24.3 ft7.39 m LOA versus 19.7 ft6.00 m for the Halman 20.
- The Bluejacket MS 23 is heavier, displacing about 140% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Halman 20 carries the more powerful rig (15.5 vs 10.4), favouring lighter-air performance.
- The Bluejacket MS 23 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Bluejacket MS 23 rates better for offshore work (2.20 vs 2.28).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.