Kirby 30 vs Mirage 27
How do the Kirby 30 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 30 | Mirage 27 | |
|---|---|---|
| Length overall | 29.7 ft9.04 m | 27.2 ft8.28 m |
| Waterline length | 23.5 ft7.16 m | 21.5 ft6.55 m |
| Beam | 10.3 ft3.12 m | 9.3 ft2.82 m |
| Draft | 5.5 ft1.68 m | 4.2 ft1.27 m |
| Displacement | 5,350 lb2,427 kg | 5,500 lb2,495 kg |
| Ballast | 2,300 lb1,043 kg | 2,200 lb998 kg |
| Sail area | 434 ft²40.3 m² | 370 ft²34.4 m² |
| SA / Displacement | 22.70 | 19.00 |
| Displacement / Length | 184 | 247 |
| Comfort ratio | 14.7 | 18.9 |
| Capsize screening | 2.34 | 2.10 |
| Hull speed (kn) | 6.5 | 6.2 |
Kirby 30 vs Mirage 27: the short version
- The Kirby 30 is the larger boat at 29.7 ft9.04 m LOA versus 27.2 ft8.28 m for the Mirage 27.
- On sail area/displacement the Kirby 30 carries the more powerful rig (22.7 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 2.34).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.