Cornish Crabber 17 vs Thistle
How do the Cornish Crabber 17 and Thistle compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Cornish Crabber 17 
Thistle | Cornish Crabber 17 | Thistle | |
|---|---|---|
| Length overall | 17.0 ft5.18 m | 17.0 ft5.18 m |
| Waterline length | 16.0 ft4.88 m | 17.0 ft5.18 m |
| Beam | 6.9 ft2.09 m | 6.0 ft1.83 m |
| Draft | 4.0 ft1.22 m | 4.5 ft1.37 m |
| Displacement | 1,950 lb885 kg | 515 lb234 kg |
| Ballast | 217 lb98 kg | —— |
| Sail area | 178 ft²16.5 m² | 191 ft²17.7 m² |
| SA / Displacement | 18.25 | 47.56 |
| Displacement / Length | 213 | 47 |
| Comfort ratio | 14.2 | 4.3 |
| Capsize screening | 2.20 | 2.99 |
| Hull speed (kn) | 5.4 | 5.5 |
Cornish Crabber 17 vs Thistle: the short version
- The Cornish Crabber 17 and Thistle are close in length (17.0 ft5.18 m vs 17.0 ft5.18 m ).
- The Cornish Crabber 17 is heavier, displacing about 279% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Thistle carries the more powerful rig (47.6 vs 18.2), favouring lighter-air performance.
- The Cornish Crabber 17 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Cornish Crabber 17 rates better for offshore work (2.20 vs 2.99).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.