Cal T/4 vs Seidelmann 245
How do the Cal T/4 and Seidelmann 245 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Cal T/4 | Cal T/4 | Seidelmann 245 | |
|---|---|---|
| Length overall | 24.2 ft7.37 m | 24.2 ft7.37 m |
| Waterline length | 21.0 ft6.40 m | 20.5 ft6.25 m |
| Beam | 8.0 ft2.44 m | 8.0 ft2.44 m |
| Draft | 4.0 ft1.22 m | 4.4 ft1.35 m |
| Displacement | 4,000 lb1,814 kg | 3,000 lb1,361 kg |
| Ballast | 2,000 lb907 kg | 1,300 lb590 kg |
| Sail area | 256 ft²23.8 m² | 267 ft²24.8 m² |
| SA / Displacement | 16.25 | 20.54 |
| Displacement / Length | 193 | 155 |
| Comfort ratio | 17.6 | 13.4 |
| Capsize screening | 2.02 | 2.22 |
| Hull speed (kn) | 6.1 | 6.1 |
Cal T/4 vs Seidelmann 245: the short version
- The Cal T/4 and Seidelmann 245 are close in length (24.2 ft7.37 m vs 24.2 ft7.37 m ).
- The Cal T/4 is heavier, displacing about 33% 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 16.3), favouring lighter-air performance.
- The Cal T/4 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Cal T/4 rates better for offshore work (2.02 vs 2.22).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.