Irwin 27 vs Irwin 41
How do the Irwin 27 and Irwin 41 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Irwin 27 | Irwin 27 | Irwin 41 | |
|---|---|---|
| Length overall | 27.1 ft8.25 m | 41.5 ft12.65 m |
| Waterline length | 20.5 ft6.25 m | 35.1 ft10.69 m |
| Beam | 8.7 ft2.64 m | 13.5 ft4.11 m |
| Draft | 7.8 ft2.39 m | 4.5 ft1.37 m |
| Displacement | 6,600 lb2,994 kg | 25,000 lb11,340 kg |
| Ballast | —— | 8,000 lb3,629 kg |
| Sail area | 372 ft²34.6 m² | 803 ft²74.6 m² |
| SA / Displacement | 16.92 | 15.03 |
| Displacement / Length | 342 | 259 |
| Comfort ratio | 25.5 | 32.6 |
| Capsize screening | 1.85 | 1.85 |
| Hull speed (kn) | 6.1 | 7.9 |
Irwin 27 vs Irwin 41: the short version
- The Irwin 41 is the larger boat at 41.5 ft12.65 m LOA versus 27.1 ft8.25 m for the Irwin 27.
- The Irwin 41 is heavier, displacing about 279% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Irwin 27 carries the more powerful rig (16.9 vs 15.0), favouring lighter-air performance.
- The Irwin 41 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Irwin 41 rates better for offshore work (1.85 vs 1.85).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.