NITRO 31
RSA Cape 31Sail number RSA/RSA31011
GPH
548.2
OSN
531.3
LOA
9.573 m
Displacement
1840 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7474
Medium
0.9864
High
1.1717
Triple Offshore
Low
0.9558
Medium
1.2276
High
1.4382
Boat Specifications
Dimensions
- Length overall
- 9.573 m
- Beam
- 3.05 m
- Draft
- 2.45 m
- Displacement
- 1840 kg
- Crew weight
- 595 kg
- Wetted surface
- 20.61 m²
Sails
- Mainsail
- 37.91 m²
- Genoa
- 24.17 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 116.64 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 | 6.05 | 6.34 | 6.53 | 6.38 | 6.47 | 6.34 | 5.62 | 4.72 |
| 8 | 7.03 | 7.23 | 7.36 | 7.29 | 7.58 | 7.51 | 7.05 | 6.01 |
| 10 | 7.48 | 7.78 | 8.08 | 8 | 8.37 | 8.52 | 8.01 | 7.05 |
| 12 | 7.72 | 8.08 | 8.62 | 8.82 | 8.93 | 9.35 | 9.09 | 7.96 |
| 14 | 7.9 | 8.3 | 8.94 | 9.5 | 9.46 | 10.01 | 10.37 | 8.9 |
| 16 | 8.05 | 8.47 | 9.21 | 9.94 | 9.97 | 10.66 | 11.64 | 10.05 |
| 20 | 8.24 | 8.71 | 9.6 | 10.65 | 11.73 | 11.91 | 13.55 | 13.28 |
| 24 | 8.24 | 8.76 | 9.8 | 11.14 | 13.05 | 13.4 | 15.48 | 16.73 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.3° | 4.01 | 142.3° | 4.09 |
| 8 | 39.7° | 4.85 | 145.6° | 5.21 |
| 10 | 38° | 5.26 | 148.9° | 6.1 |
| 12 | 37.1° | 5.46 | 149.4° | 6.89 |
| 14 | 36.6° | 5.57 | 146.2° | 7.71 |
| 16 | 36.3° | 5.66 | 145.2° | 8.7 |
| 20 | 36.3° | 5.75 | 144.5° | 11.51 |
| 24 | 37° | 5.69 | 149.2° | 14.49 |
Loading polar chart…