Etap 21i vs Etap 30
How do the Etap 21i and Etap 30 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
| Etap 21i | Etap 30 | |
|---|---|---|
| Length overall | 21.5 ft6.56 m | 29.6 ft9.02 m |
| Waterline length | 20.0 ft6.10 m | 25.1 ft7.64 m |
| Beam | 8.2 ft2.49 m | 10.3 ft3.15 m |
| Draft | 2.3 ft0.70 m | 5.9 ft1.80 m |
| Displacement | 2,712 lb1,230 kg | 7,940 lb3,602 kg |
| Ballast | 772 lb350 kg | 3,032 lb1,375 kg |
| Sail area | 257 ft²23.9 m² | 548 ft²50.9 m² |
| SA / Displacement | 21.14 | 22.03 |
| Displacement / Length | 151 | 225 |
| Comfort ratio | 12.5 | 20.7 |
| Capsize screening | 2.34 | 2.07 |
| Hull speed (kn) | 6.0 | 6.7 |
Etap 21i vs Etap 30: the short version
- The Etap 30 is the larger boat at 29.6 ft9.02 m LOA versus 21.5 ft6.56 m for the Etap 21i.
- The Etap 30 is heavier, displacing about 193% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Etap 30 carries the more powerful rig (22.0 vs 21.1), favouring lighter-air performance.
- The Etap 30 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Etap 30 rates better for offshore work (2.07 vs 2.34).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.