Mirror Offshore MK1 vs West Wight Potter 19
How do the Mirror Offshore MK1 and West Wight Potter 19 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Mirror Offshore MK1 
West Wight Potter 19 | Mirror Offshore MK1 | West Wight Potter 19 | |
|---|---|---|
| Length overall | 18.9 ft5.75 m | 18.8 ft5.71 m |
| Waterline length | 15.8 ft4.80 m | 16.8 ft5.11 m |
| Beam | 6.7 ft2.05 m | 7.5 ft2.29 m |
| Draft | 1.9 ft0.58 m | 3.6 ft1.09 m |
| Displacement | 1,799 lb816 kg | 1,225 lb556 kg |
| Ballast | 379 lb172 kg | 370 lb168 kg |
| Sail area | 122 ft²11.3 m² | 132 ft²12.3 m² |
| SA / Displacement | 13.20 | 18.45 |
| Displacement / Length | 206 | 116 |
| Comfort ratio | 13.1 | 7.4 |
| Capsize screening | 2.21 | 2.80 |
| Hull speed (kn) | 5.3 | 5.5 |
| Average used price | €900 | — |
Mirror Offshore MK1 vs West Wight Potter 19: the short version
- The Mirror Offshore MK1 and West Wight Potter 19 are close in length (18.9 ft5.75 m vs 18.8 ft5.71 m ).
- The Mirror Offshore MK1 is heavier, displacing about 47% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the West Wight Potter 19 carries the more powerful rig (18.4 vs 13.2), favouring lighter-air performance.
- The Mirror Offshore MK1 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Mirror Offshore MK1 rates better for offshore work (2.21 vs 2.80).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.