Naiad 18 vs Pirate 17
How do the Naiad 18 and Pirate 17 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Naiad 18 
Pirate 17 | Naiad 18 | Pirate 17 | |
|---|---|---|
| Length overall | 18.3 ft5.56 m | 18.2 ft5.55 m |
| Waterline length | 17.5 ft5.33 m | 16.4 ft5.00 m |
| Beam | 6.0 ft1.83 m | 6.8 ft2.07 m |
| Draft | 3.7 ft1.12 m | 2.0 ft0.60 m |
| Displacement | 1,100 lb499 kg | 1,323 lb600 kg |
| Ballast | 550 lb249 kg | 661 lb300 kg |
| Sail area | 144 ft²13.4 m² | 144 ft²13.4 m² |
| SA / Displacement | 21.62 | 19.12 |
| Displacement / Length | 92 | 134 |
| Comfort ratio | 8.8 | 9.4 |
| Capsize screening | 2.32 | 2.47 |
| Hull speed (kn) | 5.6 | 5.4 |
| Average used price | — | €900 |
Naiad 18 vs Pirate 17: the short version
- The Naiad 18 and Pirate 17 are close in length (18.3 ft5.56 m vs 18.2 ft5.55 m ).
- The Pirate 17 is heavier, displacing about 20% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Naiad 18 carries the more powerful rig (21.6 vs 19.1), favouring lighter-air performance.
- The Pirate 17 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Naiad 18 rates better for offshore work (2.32 vs 2.47).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.