Etap 21i vs Etap 30i
How do the Etap 21i and Etap 30i compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Etap 21i | Etap 21i | Etap 30i | |
|---|---|---|
| Length overall | 21.5 ft6.56 m | 29.3 ft8.94 m |
| Waterline length | 20.0 ft6.10 m | 26.3 ft8.00 m |
| Beam | 8.2 ft2.49 m | 10.4 ft3.16 m |
| Draft | 2.3 ft0.70 m | 5.6 ft1.70 m |
| Displacement | 2,712 lb1,230 kg | 7,715 lb3,499 kg |
| Ballast | 772 lb350 kg | 2,425 lb1,100 kg |
| Sail area | 257 ft²23.9 m² | 399 ft²37.1 m² |
| SA / Displacement | 21.14 | 16.35 |
| Displacement / Length | 151 | 190 |
| Comfort ratio | 12.5 | 19.4 |
| Capsize screening | 2.34 | 2.10 |
| Hull speed (kn) | 6.0 | 6.9 |
Etap 21i vs Etap 30i: the short version
- The Etap 30i is the larger boat at 29.3 ft8.94 m LOA versus 21.5 ft6.56 m for the Etap 21i.
- The Etap 30i is heavier, displacing about 184% 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 16.4), favouring lighter-air performance.
- The Etap 30i scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Etap 30i rates better for offshore work (2.10 vs 2.34).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.