Bluejacket MS 23 vs Seidelmann 245
How do the Bluejacket MS 23 and Seidelmann 245 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
| Bluejacket MS 23 | Seidelmann 245 | |
|---|---|---|
| Length overall | 24.3 ft7.39 m | 24.2 ft7.37 m |
| Waterline length | 20.8 ft6.32 m | 20.5 ft6.25 m |
| Beam | 10.0 ft3.05 m | 8.0 ft2.44 m |
| Draft | 2.3 ft0.69 m | 4.4 ft1.35 m |
| Displacement | 6,000 lb2,722 kg | 3,000 lb1,361 kg |
| Ballast | 700 lb318 kg | 1,300 lb590 kg |
| Sail area | 215 ft²20.0 m² | 267 ft²24.8 m² |
| SA / Displacement | 10.42 | 20.54 |
| Displacement / Length | 300 | 155 |
| Comfort ratio | 19.8 | 13.4 |
| Capsize screening | 2.20 | 2.22 |
| Hull speed (kn) | 6.1 | 6.1 |
Bluejacket MS 23 vs Seidelmann 245: the short version
- The Bluejacket MS 23 and Seidelmann 245 are close in length (24.3 ft7.39 m vs 24.2 ft7.37 m ).
- The Bluejacket MS 23 is heavier, displacing about 100% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Seidelmann 245 carries the more powerful rig (20.5 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 2.22).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.