Mirage 27 vs Mirage 275
How do the Mirage 27 and Mirage 275 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 
Mirage 275 | Mirage 27 | Mirage 275 | |
|---|---|---|
| Length overall | 27.9 ft8.51 m | 27.5 ft8.38 m |
| Waterline length | 21.7 ft6.61 m | 22.5 ft6.86 m |
| Beam | 9.3 ft2.82 m | 9.8 ft3.00 m |
| Draft | 4.3 ft1.32 m | 4.3 ft1.32 m |
| Displacement | 5,200 lb2,359 kg | 6,800 lb3,084 kg |
| Ballast | 2,200 lb998 kg | 2,400 lb1,089 kg |
| Sail area | 313 ft²29.1 m² | 334 ft²31.0 m² |
| SA / Displacement | 16.69 | 14.89 |
| Displacement / Length | 228 | 267 |
| Comfort ratio | 17.6 | 20.9 |
| Capsize screening | 2.14 | 2.08 |
| Hull speed (kn) | 6.2 | 6.4 |
Mirage 27 vs Mirage 275: the short version
- The Mirage 27 and Mirage 275 are close in length (27.9 ft8.51 m vs 27.5 ft8.38 m ).
- The Mirage 275 is heavier, displacing about 31% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Mirage 27 carries the more powerful rig (16.7 vs 14.9), favouring lighter-air performance.
- The Mirage 275 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Mirage 275 rates better for offshore work (2.08 vs 2.14).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.