Kirby 25 vs Mirage 27
How do the Kirby 25 and Mirage 27 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
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Mirage 27 | Kirby 25 | Mirage 27 | |
|---|---|---|
| Length overall | 25.2 ft7.67 m | 27.2 ft8.28 m |
| Waterline length | 20.8 ft6.32 m | 21.5 ft6.55 m |
| Beam | 8.8 ft2.67 m | 9.3 ft2.82 m |
| Draft | 4.2 ft1.27 m | 4.2 ft1.27 m |
| Displacement | 3,150 lb1,429 kg | 5,500 lb2,495 kg |
| Ballast | 1,150 lb522 kg | 2,200 lb998 kg |
| Sail area | 289 ft²26.8 m² | 370 ft²34.4 m² |
| SA / Displacement | 21.52 | 19.00 |
| Displacement / Length | 157 | 247 |
| Comfort ratio | 12.3 | 18.9 |
| Capsize screening | 2.39 | 2.10 |
| Hull speed (kn) | 6.1 | 6.2 |
Kirby 25 vs Mirage 27: the short version
- The Mirage 27 is the larger boat at 27.2 ft8.28 m LOA versus 25.2 ft7.67 m for the Kirby 25.
- The Mirage 27 is heavier, displacing about 75% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Kirby 25 carries the more powerful rig (21.5 vs 19.0), favouring lighter-air performance.
- The Mirage 27 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Mirage 27 rates better for offshore work (2.10 vs 2.39).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.