Etap 21i vs Etap 28i
How do the Etap 21i and Etap 28i 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 28i | |
|---|---|---|
| Length overall | 21.5 ft6.56 m | 28.0 ft8.53 m |
| Waterline length | 20.0 ft6.10 m | 23.8 ft7.25 m |
| Beam | 8.2 ft2.49 m | 10.3 ft3.12 m |
| Draft | 2.3 ft0.70 m | 5.0 ft1.52 m |
| Displacement | 2,712 lb1,230 kg | 6,173 lb2,800 kg |
| Ballast | 772 lb350 kg | 1,808 lb820 kg |
| Sail area | 257 ft²23.9 m² | 386 ft²35.9 m² |
| SA / Displacement | 21.14 | 18.35 |
| Displacement / Length | 151 | 205 |
| Comfort ratio | 12.5 | 17.2 |
| Capsize screening | 2.34 | 2.24 |
| Hull speed (kn) | 6.0 | 6.5 |
Etap 21i vs Etap 28i: the short version
- The Etap 28i is the larger boat at 28.0 ft8.53 m LOA versus 21.5 ft6.56 m for the Etap 21i.
- The Etap 28i is heavier, displacing about 128% 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 18.4), favouring lighter-air performance.
- The Etap 28i scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Etap 28i rates better for offshore work (2.24 vs 2.34).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.