Birdie 24 vs Cal T/4
How do the Birdie 24 and Cal T/4 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
| Birdie 24 | Cal T/4 | |
|---|---|---|
| Length overall | 24.1 ft7.36 m | 24.2 ft7.37 m |
| Waterline length | 20.1 ft6.12 m | 21.0 ft6.40 m |
| Beam | 7.9 ft2.41 m | 8.0 ft2.44 m |
| Draft | 4.1 ft1.24 m | 4.0 ft1.22 m |
| Displacement | 3,968 lb1,800 kg | 4,000 lb1,814 kg |
| Ballast | 1,764 lb800 kg | 2,000 lb907 kg |
| Sail area | 355 ft²33.0 m² | 256 ft²23.8 m² |
| SA / Displacement | 22.66 | 16.25 |
| Displacement / Length | 219 | 193 |
| Comfort ratio | 18.3 | 17.6 |
| Capsize screening | 2.00 | 2.02 |
| Hull speed (kn) | 6.0 | 6.1 |
| Average used price | €5,000 | — |
Birdie 24 vs Cal T/4: the short version
- The Birdie 24 and Cal T/4 are close in length (24.1 ft7.36 m vs 24.2 ft7.37 m ).
- On sail area/displacement the Birdie 24 carries the more powerful rig (22.7 vs 16.3), 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 2.02).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.