BLACK JACK
GRE GP 42Sail number GRE/GRE4242
GPH
496
OSN
482.1
LOA
12.79 m
Displacement
4456 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.819
Medium
1.0856
High
1.2749
Triple Offshore
Low
1.0605
Medium
1.3575
High
1.5731
Boat Specifications
Dimensions
- Length overall
- 12.79 m
- Beam
- 3.89 m
- Draft
- 3.01 m
- Displacement
- 4456 kg
- Crew weight
- 900 kg
- Wetted surface
- 31.6 m²
Sails
- Mainsail
- 64.24 m²
- Genoa
- 41.04 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 191.13 m²
Design
- Type
- GP 42
- Builder
- LATINI
- Designer
- FARR
- Year built
- 2006
- Stability index
- 140.7
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 6.63 | 7.07 | 7.43 | 7.36 | 7.29 | 7.07 | 6.27 | 5.22 |
| 8 | 7.91 | 8.18 | 8.37 | 8.32 | 8.48 | 8.41 | 7.94 | 6.68 |
| 10 | 8.34 | 8.66 | 9.08 | 9.06 | 9.2 | 9.42 | 8.84 | 7.82 |
| 12 | 8.54 | 8.94 | 9.64 | 9.93 | 9.83 | 10.17 | 9.94 | 8.78 |
| 14 | 8.66 | 9.12 | 9.94 | 10.62 | 10.5 | 10.81 | 11.25 | 9.61 |
| 16 | 8.81 | 9.24 | 10.14 | 11.04 | 11.18 | 11.61 | 12.47 | 10.8 |
| 20 | 9.03 | 9.62 | 10.62 | 11.56 | 13.11 | 13.28 | 14.3 | 13.91 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.5° | 4.31 | 141.5° | 4.52 |
| 8 | 41.6° | 5.32 | 140.5° | 5.78 |
| 10 | 39° | 5.82 | 147.8° | 6.78 |
| 12 | 38.2° | 6.02 | 152° | 7.54 |
| 14 | 37.9° | 6.12 | 148° | 8.32 |
| 16 | 37.1° | 6.26 | 144° | 9.36 |
| 20 | 37.5° | 6.3 | 144.1° | 12.04 |
Loading polar chart…