Etap 20 vs Etap 21i
How do the Etap 20 and Etap 21i compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Etap 20 | Etap 20 | Etap 21i | |
|---|---|---|
| Length overall | 19.9 ft6.05 m | 21.5 ft6.56 m |
| Waterline length | 17.1 ft5.20 m | 20.0 ft6.10 m |
| Beam | 7.5 ft2.30 m | 8.2 ft2.49 m |
| Draft | 3.7 ft1.14 m | 2.3 ft0.70 m |
| Displacement | 1,874 lb850 kg | 2,712 lb1,230 kg |
| Ballast | 441 lb200 kg | 772 lb350 kg |
| Sail area | 187 ft²17.4 m² | 257 ft²23.9 m² |
| SA / Displacement | 19.68 | 21.14 |
| Displacement / Length | 168 | 151 |
| Comfort ratio | 10.9 | 12.5 |
| Capsize screening | 2.45 | 2.34 |
| Hull speed (kn) | 5.5 | 6.0 |
Etap 20 vs Etap 21i: the short version
- The Etap 21i is the larger boat at 21.5 ft6.56 m LOA versus 19.9 ft6.05 m for the Etap 20.
- The Etap 21i is heavier, displacing about 45% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Etap 21i carries the more powerful rig (21.1 vs 19.7), favouring lighter-air performance.
- The Etap 21i scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Etap 21i rates better for offshore work (2.34 vs 2.45).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.