JY15 vs West Wight Potter 15
How do the JY15 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.
JY15 
West Wight Potter 15 | JY15 | West Wight Potter 15 | |
|---|---|---|
| Length overall | 15.0 ft4.57 m | 15.0 ft4.57 m |
| Waterline length | —— | 11.8 ft3.61 m |
| Beam | 5.8 ft1.78 m | 5.5 ft1.68 m |
| Draft | 3.0 ft0.91 m | 3.0 ft0.91 m |
| Displacement | 275 lb125 kg | 475 lb215 kg |
| Ballast | —— | 165 lb75 kg |
| Sail area | 135 ft²12.5 m² | 111 ft²10.3 m² |
| SA / Displacement | 51.08 | 29.17 |
| Displacement / Length | — | 128 |
| Comfort ratio | — | 5.9 |
| Capsize screening | 3.59 | 2.82 |
| Hull speed (kn) | — | 4.6 |
JY15 vs West Wight Potter 15: the short version
- The JY15 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 73% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the JY15 carries the more powerful rig (51.1 vs 29.2), favouring lighter-air performance.
- By the capsize screening formula the West Wight Potter 15 rates better for offshore work (2.82 vs 3.59).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.