Ngwenya
RSA J-111Sail number RSA/RSA4382
GPH
570.1
OSN
552.7
LOA
11.121 m
Displacement
4187 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7273
Medium
0.9675
High
1.0934
Triple Offshore
Low
0.9308
Medium
1.1833
High
1.3221
Boat Specifications
Dimensions
- Length overall
- 11.121 m
- Beam
- 3.3 m
- Draft
- 2.18 m
- Displacement
- 4187 kg
- Crew weight
- 743 kg
- Wetted surface
- 25.5 m²
Sails
- Mainsail
- 36.84 m²
- Genoa
- 33.15 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 127.55 m²
Design
- Type
- J-111
- Builder
- J-Boats
- Designer
- Johnstone
- Year built
- 2010
- Stability index
- 121.1
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.78 | 6.08 | 6.27 | 6.18 | 6.31 | 6.17 | 5.55 | 4.69 |
| 8 | 6.87 | 7.09 | 7.22 | 7.25 | 7.46 | 7.39 | 6.92 | 5.95 |
| 10 | 7.37 | 7.55 | 7.7 | 7.68 | 8.02 | 8.03 | 7.72 | 7 |
| 12 | 7.58 | 7.79 | 8.02 | 8.07 | 8.42 | 8.59 | 8.35 | 7.69 |
| 14 | 7.69 | 7.91 | 8.25 | 8.42 | 8.73 | 9.1 | 9.02 | 8.17 |
| 16 | 7.76 | 8 | 8.4 | 8.72 | 9.04 | 9.53 | 9.81 | 8.71 |
| 20 | 7.83 | 8.1 | 8.59 | 9.14 | 9.65 | 10.41 | 11.79 | 10.4 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.6° | 3.8 | 143.3° | 4.06 |
| 8 | 40.6° | 4.68 | 146.6° | 5.16 |
| 10 | 38.2° | 5.22 | 149.6° | 6.06 |
| 12 | 37° | 5.44 | 151.1° | 6.67 |
| 14 | 36.6° | 5.55 | 148.8° | 7.07 |
| 16 | 36.4° | 5.62 | 146.4° | 7.54 |
| 20 | 36.6° | 5.65 | 142.8° | 9.01 |
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