G-Cat 5.0 vs G-Cat 5.7
How do the G-Cat 5.0 and G-Cat 5.7 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
G-Cat 5.0 | G-Cat 5.0 | G-Cat 5.7 | |
|---|---|---|
| Length overall | 16.7 ft5.08 m | 18.7 ft5.69 m |
| Waterline length | 15.5 ft4.72 m | 17.5 ft5.33 m |
| Beam | 8.0 ft2.44 m | 8.0 ft2.44 m |
| Draft | 1.1 ft0.33 m | —— |
| Displacement | 340 lb154 kg | 360 lb163 kg |
| Ballast | —— | —— |
| Sail area | 210 ft²19.5 m² | 235 ft²21.8 m² |
| SA / Displacement | 68.97 | 74.30 |
| Displacement / Length | 41 | 30 |
| Comfort ratio | 2.1 | 2.0 |
| Capsize screening | 4.58 | 4.50 |
| Hull speed (kn) | 5.3 | 5.6 |
G-Cat 5.0 vs G-Cat 5.7: the short version
- The G-Cat 5.7 is the larger boat at 18.7 ft5.69 m LOA versus 16.7 ft5.08 m for the G-Cat 5.0.
- On sail area/displacement the G-Cat 5.7 carries the more powerful rig (74.3 vs 69.0), favouring lighter-air performance.
- The G-Cat 5.0 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the G-Cat 5.7 rates better for offshore work (4.50 vs 4.58).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.