Birdie 24 vs Seidelmann 245
How do the Birdie 24 and Seidelmann 245 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
| Birdie 24 | Seidelmann 245 | |
|---|---|---|
| Length overall | 24.1 ft7.36 m | 24.2 ft7.37 m |
| Waterline length | 20.1 ft6.12 m | 20.5 ft6.25 m |
| Beam | 7.9 ft2.41 m | 8.0 ft2.44 m |
| Draft | 4.1 ft1.24 m | 4.4 ft1.35 m |
| Displacement | 3,968 lb1,800 kg | 3,000 lb1,361 kg |
| Ballast | 1,764 lb800 kg | 1,300 lb590 kg |
| Sail area | 355 ft²33.0 m² | 267 ft²24.8 m² |
| SA / Displacement | 22.66 | 20.54 |
| Displacement / Length | 219 | 155 |
| Comfort ratio | 18.3 | 13.4 |
| Capsize screening | 2.00 | 2.22 |
| Hull speed (kn) | 6.0 | 6.1 |
| Average used price | €5,000 | — |
Birdie 24 vs Seidelmann 245: the short version
- The Birdie 24 and Seidelmann 245 are close in length (24.1 ft7.36 m vs 24.2 ft7.37 m ).
- The Birdie 24 is heavier, displacing about 32% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Birdie 24 carries the more powerful rig (22.7 vs 20.5), favouring lighter-air performance.
- The Birdie 24 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Birdie 24 rates better for offshore work (2.00 vs 2.22).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.