M2
USA Cape 31Sail number USA/USA38312
GPH
555
OSN
537.6
LOA
9.573 m
Displacement
1848 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7306
Medium
0.9742
High
1.1497
Triple Offshore
Low
0.9372
Medium
1.217
High
1.4226
Boat Specifications
Dimensions
- Length overall
- 9.573 m
- Beam
- 3.05 m
- Draft
- 2.44 m
- Displacement
- 1848 kg
- Crew weight
- 682 kg
- Wetted surface
- 20.79 m²
Sails
- Mainsail
- 36.95 m²
- Genoa
- 24.35 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 115.51 m²
Design
- Type
- Cape 31
- Builder
- Noordhoek
- Designer
- Mark Mills
- Year built
- 2016
- Stability index
- 109.7
Velocity Prediction
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.88 | 6.18 | 6.38 | 6.22 | 6.4 | 6.26 | 5.54 | 4.66 |
| 8 | 6.9 | 7.12 | 7.27 | 7.23 | 7.54 | 7.47 | 6.99 | 5.94 |
| 10 | 7.42 | 7.71 | 7.97 | 7.91 | 8.4 | 8.5 | 7.96 | 6.99 |
| 12 | 7.66 | 8.04 | 8.6 | 8.72 | 8.98 | 9.4 | 9.06 | 7.91 |
| 14 | 7.82 | 8.25 | 8.94 | 9.5 | 9.53 | 10.09 | 10.35 | 8.88 |
| 16 | 7.94 | 8.39 | 9.19 | 9.99 | 10.06 | 10.77 | 11.67 | 10.03 |
| 20 | 8.07 | 8.57 | 9.53 | 10.64 | 11.75 | 12.06 | 13.67 | 13.1 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.6° | 3.87 | 142.6° | 4.04 |
| 8 | 40.5° | 4.72 | 145.6° | 5.14 |
| 10 | 38.7° | 5.19 | 148.7° | 6.06 |
| 12 | 37.8° | 5.37 | 149.2° | 6.85 |
| 14 | 37.6° | 5.46 | 146° | 7.69 |
| 16 | 37.5° | 5.52 | 145.1° | 8.69 |
| 20 | 37.8° | 5.56 | 143.8° | 11.35 |
Loading polar chart…