Cup One vs Topper Topaz
How do the Cup One and Topper Topaz compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Cup One 
Topper Topaz | Cup One | Topper Topaz | |
|---|---|---|
| Length overall | 12.6 ft3.85 m | 12.7 ft3.86 m |
| Waterline length | —— | —— |
| Beam | 2.0 ft0.62 m | 4.8 ft1.45 m |
| Draft | —— | —— |
| Displacement | 35 lb16 kg | 132 lb60 kg |
| Ballast | —— | —— |
| Sail area | —— | 80 ft²7.4 m² |
| SA / Displacement | — | 49.37 |
| Displacement / Length | — | — |
| Comfort ratio | — | — |
| Capsize screening | 2.48 | 3.74 |
| Hull speed (kn) | — | — |
Cup One vs Topper Topaz: the short version
- The Cup One and Topper Topaz are close in length (12.6 ft3.85 m vs 12.7 ft3.86 m ).
- The Topper Topaz is heavier, displacing about 277% more, which usually means a steadier but slower-to-accelerate hull.
- By the capsize screening formula the Cup One rates better for offshore work (2.48 vs 3.74).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.