Ngwenya
RSA J-111Sail number RSA/RSA4382
GPH
574.5
OSN
557
LOA
11.121 m
Displacement
4186 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7087
Medium
0.9591
High
1.0959
Triple Offshore
Low
0.9134
Medium
1.178
High
1.3316
Boat Specifications
Dimensions
- Length overall
- 11.121 m
- Beam
- 3.3 m
- Draft
- 2.18 m
- Displacement
- 4186 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
- 125.7
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.56 | 5.9 | 6.16 | 6.15 | 6.29 | 6.15 | 5.53 | 4.69 |
| 8 | 6.71 | 6.99 | 7.18 | 7.32 | 7.47 | 7.39 | 6.93 | 5.92 |
| 10 | 7.33 | 7.51 | 7.64 | 7.67 | 8.05 | 8.02 | 7.7 | 7.01 |
| 12 | 7.56 | 7.77 | 8 | 8.03 | 8.49 | 8.68 | 8.32 | 7.67 |
| 14 | 7.66 | 7.9 | 8.31 | 8.46 | 8.85 | 9.25 | 9.06 | 8.13 |
| 16 | 7.72 | 7.98 | 8.49 | 8.87 | 9.2 | 9.72 | 9.96 | 8.71 |
| 20 | 7.88 | 8.15 | 8.67 | 9.41 | 10.01 | 10.64 | 12.04 | 10.53 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.63 | 143.8° | 4.06 |
| 8 | 41.8° | 4.47 | 146° | 5.13 |
| 10 | 39.6° | 5.12 | 149.6° | 6.07 |
| 12 | 37.8° | 5.4 | 151.6° | 6.66 |
| 14 | 37.5° | 5.52 | 148.4° | 7.04 |
| 16 | 37° | 5.58 | 146.2° | 7.55 |
| 20 | 36.4° | 5.74 | 141.9° | 9.12 |
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