Northwind 29 vs Thames Marine Mirage 29
How do the Northwind 29 and Thames Marine Mirage 29 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Northwind 29 
Thames Marine Mirage 29 | Northwind 29 | Thames Marine Mirage 29 | |
|---|---|---|
| Length overall | 28.8 ft8.78 m | 28.8 ft8.79 m |
| Waterline length | 22.0 ft6.71 m | 25.3 ft7.70 m |
| Beam | 9.2 ft2.79 m | 10.5 ft3.20 m |
| Draft | 6.8 ft2.06 m | 3.8 ft1.14 m |
| Displacement | 6,600 lb2,994 kg | 8,267 lb3,750 kg |
| Ballast | 3,180 lb1,442 kg | —— |
| Sail area | 374 ft²34.7 m² | 353 ft²32.8 m² |
| SA / Displacement | 17.01 | 13.81 |
| Displacement / Length | 277 | 229 |
| Comfort ratio | 22.2 | 21.2 |
| Capsize screening | 1.95 | 2.08 |
| Hull speed (kn) | 6.3 | 6.7 |
Northwind 29 vs Thames Marine Mirage 29: the short version
- The Northwind 29 and Thames Marine Mirage 29 are close in length (28.8 ft8.78 m vs 28.8 ft8.79 m ).
- The Thames Marine Mirage 29 is heavier, displacing about 25% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Northwind 29 carries the more powerful rig (17.0 vs 13.8), favouring lighter-air performance.
- The Northwind 29 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Northwind 29 rates better for offshore work (1.95 vs 2.08).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.