Kirby 25 vs Mirage 29
How do the Kirby 25 and Mirage 29 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Kirby 25 
Mirage 29 | Kirby 25 | Mirage 29 | |
|---|---|---|
| Length overall | 25.2 ft7.67 m | 29.0 ft8.84 m |
| Waterline length | 20.8 ft6.32 m | 24.3 ft7.39 m |
| Beam | 8.8 ft2.67 m | 10.5 ft3.20 m |
| Draft | 4.2 ft1.27 m | 4.8 ft1.47 m |
| Displacement | 3,150 lb1,429 kg | 6,800 lb3,084 kg |
| Ballast | 1,150 lb522 kg | 2,300 lb1,043 kg |
| Sail area | 289 ft²26.8 m² | 375 ft²34.8 m² |
| SA / Displacement | 21.52 | 16.72 |
| Displacement / Length | 157 | 213 |
| Comfort ratio | 12.3 | 17.9 |
| Capsize screening | 2.39 | 2.22 |
| Hull speed (kn) | 6.1 | 6.6 |
Kirby 25 vs Mirage 29: the short version
- The Mirage 29 is the larger boat at 29.0 ft8.84 m LOA versus 25.2 ft7.67 m for the Kirby 25.
- The Mirage 29 is heavier, displacing about 116% 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 16.7), favouring lighter-air performance.
- The Mirage 29 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Mirage 29 rates better for offshore work (2.22 vs 2.39).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.