Vulcan
RSA Cape 31Sail number RSA/RSA31013
GPH
553.9
OSN
537.1
LOA
9.573 m
Displacement
1775 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7319
Medium
0.9723
High
1.155
Triple Offshore
Low
0.9424
Medium
1.2178
High
1.4255
Boat Specifications
Dimensions
- Length overall
- 9.573 m
- Beam
- 3.05 m
- Draft
- 2.44 m
- Displacement
- 1775 kg
- Crew weight
- 595 kg
- Wetted surface
- 20.36 m²
Sails
- Mainsail
- 37.68 m²
- Genoa
- 23.41 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 116.74 m²
Design
- Type
- Cape 31
- Builder
- Noordhoek
- Designer
- Mills
- Year built
- 2017
- Stability index
- 112.1
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.78 | 6.14 | 6.42 | 6.39 | 6.56 | 6.41 | 5.67 | 4.77 |
| 8 | 6.93 | 7.15 | 7.3 | 7.28 | 7.66 | 7.58 | 7.11 | 6.11 |
| 10 | 7.34 | 7.66 | 8.06 | 8.02 | 8.41 | 8.68 | 8.09 | 7.11 |
| 12 | 7.5 | 7.9 | 8.59 | 8.98 | 8.99 | 9.42 | 9.38 | 8.06 |
| 14 | 7.59 | 8.04 | 8.85 | 9.65 | 9.55 | 10.1 | 10.75 | 9.2 |
| 16 | 7.78 | 8.23 | 9.02 | 10 | 10.57 | 10.77 | 11.82 | 10.46 |
| 20 | 7.96 | 8.53 | 9.59 | 10.41 | 12.15 | 12.76 | 13.71 | 14.01 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.6° | 3.76 | 142.4° | 4.13 |
| 8 | 42° | 4.68 | 145.2° | 5.29 |
| 10 | 39.6° | 5.11 | 150.1° | 6.16 |
| 12 | 38.8° | 5.24 | 149.2° | 6.98 |
| 14 | 38.8° | 5.3 | 144.7° | 7.97 |
| 16 | 38.2° | 5.42 | 142.4° | 9.06 |
| 20 | 38.5° | 5.47 | 145.5° | 12.14 |
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