BLACK JACK
GRE GP 42Sail number GRE/GRE4242
GPH
494.8
OSN
480.9
LOA
12.79 m
Displacement
4456 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.9253
Medium
1.2261
High
1.4402
Triple Offshore
Low
1.1965
Medium
1.5302
High
1.774
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
- 64.23 m²
- Genoa
- 41.04 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 191.13 m²
Design
- Type
- GP 42
- Builder
- LATINI
- Designer
- FARR
- Year built
- 2006
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 6.65 | 7.08 | 7.44 | 7.37 | 7.3 | 7.08 | 6.3 | 5.25 |
| 8 | 7.92 | 8.19 | 8.37 | 8.32 | 8.49 | 8.41 | 7.95 | 6.69 |
| 10 | 8.37 | 8.67 | 9.07 | 9.05 | 9.2 | 9.42 | 8.83 | 7.84 |
| 12 | 8.57 | 8.96 | 9.65 | 9.91 | 9.81 | 10.17 | 9.92 | 8.76 |
| 14 | 8.69 | 9.15 | 9.96 | 10.62 | 10.45 | 10.75 | 11.21 | 9.58 |
| 16 | 8.84 | 9.27 | 10.16 | 11.05 | 11.15 | 11.53 | 12.46 | 10.76 |
| 20 | 9.08 | 9.66 | 10.63 | 11.58 | 13.08 | 13.24 | 14.23 | 13.85 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.4° | 4.33 | 141.2° | 4.54 |
| 8 | 41.6° | 5.35 | 141.2° | 5.8 |
| 10 | 39.2° | 5.85 | 148.1° | 6.79 |
| 12 | 38° | 6.07 | 151.9° | 7.54 |
| 14 | 37.3° | 6.17 | 148° | 8.3 |
| 16 | 36.7° | 6.32 | 144° | 9.32 |
| 20 | 37.1° | 6.37 | 144.1° | 11.99 |
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