J/80 vs Sonata 8
How do the J/80 and Sonata 8 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
J/80 
Sonata 8 | J/80 | Sonata 8 | |
|---|---|---|
| Length overall | 26.3 ft8.00 m | 26.3 ft8.00 m |
| Waterline length | 22.0 ft6.71 m | 19.8 ft6.02 m |
| Beam | 8.2 ft2.51 m | 8.2 ft2.50 m |
| Draft | 4.9 ft1.49 m | 5.1 ft1.55 m |
| Displacement | 2,899 lb1,315 kg | 2,822 lb1,280 kg |
| Ballast | 1,400 lb635 kg | 500 lb227 kg |
| Sail area | 337 ft²31.3 m² | 277 ft²25.7 m² |
| SA / Displacement | 26.52 | 22.19 |
| Displacement / Length | 121 | 164 |
| Comfort ratio | 11.6 | 12.2 |
| Capsize screening | 2.31 | 2.32 |
| Hull speed (kn) | 6.3 | 6.0 |
J/80 vs Sonata 8: the short version
- The J/80 and Sonata 8 are close in length (26.3 ft8.00 m vs 26.3 ft8.00 m ).
- On sail area/displacement the J/80 carries the more powerful rig (26.5 vs 22.2), favouring lighter-air performance.
- The Sonata 8 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the J/80 rates better for offshore work (2.31 vs 2.32).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.