KRAKER
GRE J-24Sail number GRE/GRE4473
GPH
730.8
OSN
707.8
LOA
7.318 m
Displacement
1269 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5614
Medium
0.7609
High
0.8673
Triple Offshore
Low
0.7205
Medium
0.9245
High
1.0381
Boat Specifications
Dimensions
- Length overall
- 7.318 m
- Beam
- 2.69 m
- Draft
- 1.23 m
- Displacement
- 1269 kg
- Crew weight
- 400 kg
- Wetted surface
- 12.05 m²
Sails
- Mainsail
- 15.91 m²
- Genoa
- 17.63 m²
- Spinnaker
- 35.03 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- J-24
- Builder
- J-BOATS
- Designer
- JOHNSTONE
- Year built
- 1977
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.61 | 4.85 | 4.98 | 4.9 | 4.84 | 4.69 | 4.2 | 3.54 |
| 8 | 5.38 | 5.57 | 5.66 | 5.67 | 5.71 | 5.59 | 5.13 | 4.52 |
| 10 | 5.8 | 5.94 | 6.04 | 6.14 | 6.19 | 6.1 | 5.83 | 5.32 |
| 12 | 6.03 | 6.17 | 6.31 | 6.46 | 6.6 | 6.5 | 6.23 | 5.9 |
| 14 | 6.17 | 6.33 | 6.54 | 6.67 | 6.97 | 6.9 | 6.61 | 6.27 |
| 16 | 6.22 | 6.42 | 6.72 | 6.87 | 7.35 | 7.33 | 7 | 6.62 |
| 20 | 6.25 | 6.5 | 6.91 | 7.3 | 8.06 | 8.7 | 8.1 | 7.39 |
| 24 | 6.18 | 6.49 | 7 | 7.57 | 8.76 | 10.29 | 11.12 | 9.18 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.4° | 3.03 | 146.6° | 3.07 |
| 8 | 41.6° | 3.63 | 151.4° | 3.91 |
| 10 | 39.9° | 4.05 | 154.6° | 4.64 |
| 12 | 38.6° | 4.32 | 168.2° | 5.3 |
| 14 | 38° | 4.43 | 178.1° | 5.81 |
| 16 | 38° | 4.46 | 178.6° | 6.16 |
| 20 | 39.2° | 4.41 | 178.6° | 6.82 |
| 24 | 42.2° | 4.21 | 137.9° | 7.95 |
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