Vulcan
RSA Cape 31Sail number RSA/RSA31013
GPH
552.5
OSN
536.6
LOA
9.55 m
Displacement
1775 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.8284
Medium
1.0945
High
1.2975
Triple Offshore
Low
1.067
Medium
1.3714
High
1.601
Boat Specifications
Dimensions
- Length overall
- 9.55 m
- Beam
- 3.05 m
- Draft
- 2.45 m
- Displacement
- 1775 kg
- Crew weight
- 595 kg
- Wetted surface
- 20.98 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
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.87 | 6.22 | 6.49 | 6.44 | 6.6 | 6.45 | 5.68 | 4.75 |
| 8 | 6.98 | 7.18 | 7.34 | 7.33 | 7.68 | 7.59 | 7.11 | 6.06 |
| 10 | 7.36 | 7.68 | 8.1 | 8.06 | 8.42 | 8.67 | 8.05 | 7.1 |
| 12 | 7.51 | 7.91 | 8.59 | 9.02 | 9.03 | 9.42 | 9.28 | 7.97 |
| 14 | 7.6 | 8.04 | 8.84 | 9.63 | 9.65 | 9.96 | 10.65 | 9.04 |
| 16 | 7.8 | 8.24 | 8.99 | 9.97 | 10.33 | 10.76 | 11.79 | 10.25 |
| 20 | 7.96 | 8.51 | 9.55 | 10.46 | 12.13 | 12.47 | 13.65 | 13.74 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.2° | 3.83 | 142.4° | 4.12 |
| 8 | 41.3° | 4.74 | 144.8° | 5.25 |
| 10 | 39.1° | 5.15 | 151.2° | 6.12 |
| 12 | 38.2° | 5.28 | 149.2° | 6.9 |
| 14 | 38.1° | 5.36 | 144.3° | 7.82 |
| 16 | 37.8° | 5.47 | 144.2° | 8.88 |
| 20 | 37.7° | 5.5 | 144.8° | 11.9 |
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