Precision 15 vs West Wight Potter 15
How do the Precision 15 and West Wight Potter 15 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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Precision 15 
West Wight Potter 15 | Precision 15 | West Wight Potter 15 | |
|---|---|---|
| Length overall | 15.0 ft4.57 m | 15.0 ft4.57 m |
| Waterline length | 13.8 ft4.19 m | 11.8 ft3.61 m |
| Beam | 6.9 ft2.11 m | 5.5 ft1.68 m |
| Draft | 3.7 ft1.12 m | 3.0 ft0.91 m |
| Displacement | 390 lb177 kg | 475 lb215 kg |
| Ballast | 250 lb113 kg | 165 lb75 kg |
| Sail area | 117 ft²10.9 m² | 111 ft²10.3 m² |
| SA / Displacement | 35.07 | 29.17 |
| Displacement / Length | 67 | 128 |
| Comfort ratio | 3.2 | 5.9 |
| Capsize screening | 3.79 | 2.82 |
| Hull speed (kn) | 5.0 | 4.6 |
Precision 15 vs West Wight Potter 15: the short version
- The Precision 15 and West Wight Potter 15 are close in length (15.0 ft4.57 m vs 15.0 ft4.57 m ).
- The West Wight Potter 15 is heavier, displacing about 22% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Precision 15 carries the more powerful rig (35.1 vs 29.2), favouring lighter-air performance.
- The West Wight Potter 15 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the West Wight Potter 15 rates better for offshore work (2.82 vs 3.79).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.