BLACK JACK
GRE GP 42Sail number GRE/GRE4242
GPH
495.3
OSN
480.6
LOA
12.79 m
Displacement
4459 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.8172
Medium
1.0923
High
1.2903
Triple Offshore
Low
1.057
Medium
1.3616
High
1.5835
Boat Specifications
Dimensions
- Length overall
- 12.79 m
- Beam
- 3.89 m
- Draft
- 3.02 m
- Displacement
- 4459 kg
- Crew weight
- 900 kg
- Wetted surface
- 31.56 m²
Sails
- Mainsail
- 62.46 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
- 140.8
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 6.57 | 7 | 7.37 | 7.28 | 7.27 | 7.05 | 6.27 | 5.24 |
| 8 | 7.89 | 8.16 | 8.34 | 8.28 | 8.49 | 8.41 | 7.96 | 6.72 |
| 10 | 8.35 | 8.66 | 9.06 | 9.01 | 9.21 | 9.44 | 8.89 | 7.9 |
| 12 | 8.55 | 8.95 | 9.64 | 9.9 | 9.8 | 10.19 | 10.04 | 8.8 |
| 14 | 8.68 | 9.14 | 9.96 | 10.61 | 10.35 | 10.88 | 11.38 | 9.77 |
| 16 | 8.85 | 9.29 | 10.18 | 11.06 | 11.01 | 11.55 | 12.56 | 11.04 |
| 20 | 9.09 | 9.68 | 10.68 | 11.66 | 13.11 | 12.88 | 14.41 | 14.25 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.8° | 4.27 | 141.7° | 4.54 |
| 8 | 42° | 5.29 | 141.1° | 5.82 |
| 10 | 39.6° | 5.82 | 148.2° | 6.84 |
| 12 | 38.2° | 6.04 | 151.4° | 7.63 |
| 14 | 37.9° | 6.15 | 146.9° | 8.46 |
| 16 | 37° | 6.3 | 144.2° | 9.56 |
| 20 | 37.2° | 6.36 | 145° | 12.34 |
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