Nemesis
RSA Cape 31Sail number RSA/RSA31006
GPH
550.1
OSN
533.2
LOA
9.573 m
Displacement
1854 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7438
Medium
0.9823
High
1.162
Triple Offshore
Low
0.9519
Medium
1.2245
High
1.4283
Boat Specifications
Dimensions
- Length overall
- 9.573 m
- Beam
- 3.05 m
- Draft
- 2.44 m
- Displacement
- 1854 kg
- Crew weight
- 595 kg
- Wetted surface
- 20.6 m²
Sails
- Mainsail
- 37.63 m²
- Genoa
- 23.49 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 116.56 m²
Design
- Type
- Cape 31
- Builder
- Noordhoek
- Designer
- Mills
- Year built
- 2017
- Stability index
- 111.1
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 | 6 | 6.3 | 6.49 | 6.34 | 6.46 | 6.32 | 5.61 | 4.71 |
| 8 | 7 | 7.21 | 7.35 | 7.28 | 7.58 | 7.52 | 7.05 | 6.01 |
| 10 | 7.44 | 7.75 | 8.08 | 8.01 | 8.36 | 8.54 | 8.04 | 7.05 |
| 12 | 7.67 | 8.04 | 8.61 | 8.84 | 8.93 | 9.36 | 9.19 | 8 |
| 14 | 7.83 | 8.24 | 8.91 | 9.52 | 9.47 | 10.03 | 10.47 | 9.01 |
| 16 | 7.94 | 8.38 | 9.14 | 9.94 | 9.99 | 10.69 | 11.71 | 10.21 |
| 20 | 8.06 | 8.55 | 9.47 | 10.54 | 11.81 | 11.95 | 13.55 | 13.33 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.98 | 142.6° | 4.08 |
| 8 | 40° | 4.82 | 145.6° | 5.2 |
| 10 | 38.2° | 5.21 | 148.7° | 6.1 |
| 12 | 37.5° | 5.39 | 149.2° | 6.93 |
| 14 | 37° | 5.5 | 146° | 7.81 |
| 16 | 37° | 5.56 | 145.1° | 8.84 |
| 20 | 37° | 5.6 | 144.9° | 11.54 |
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