K4 vs West Wight Potter 15
How do the K4 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.
K4 | K4 | West Wight Potter 15 | |
|---|---|---|
| Length overall | 14.8 ft4.51 m | 15.0 ft4.57 m |
| Waterline length | —— | 11.8 ft3.61 m |
| Beam | 7.3 ft2.21 m | 5.5 ft1.68 m |
| Draft | —— | 3.0 ft0.91 m |
| Displacement | 254 lb115 kg | 475 lb215 kg |
| Ballast | —— | 165 lb75 kg |
| Sail area | 118 ft²11.0 m² | 111 ft²10.3 m² |
| SA / Displacement | 47.07 | 29.17 |
| Displacement / Length | — | 128 |
| Comfort ratio | — | 5.9 |
| Capsize screening | 4.58 | 2.82 |
| Hull speed (kn) | — | 4.6 |
K4 vs West Wight Potter 15: the short version
- The K4 and West Wight Potter 15 are close in length (14.8 ft4.51 m vs 15.0 ft4.57 m ).
- The West Wight Potter 15 is heavier, displacing about 87% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the K4 carries the more powerful rig (47.1 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 4.58).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.