DECLARE
GRE J-24Sail number GRE/GRE361
GPH
738.6
OSN
718.4
LOA
7.318 m
Displacement
1601 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6286
Medium
0.8362
High
0.9531
Triple Offshore
Low
0.8059
Medium
1.0271
High
1.1486
Boat Specifications
Dimensions
- Length overall
- 7.318 m
- Beam
- 2.69 m
- Draft
- 1.39 m
- Displacement
- 1601 kg
- Crew weight
- 320 kg
- Wetted surface
- 13.02 m²
Sails
- Mainsail
- 15.74 m²
- Genoa
- 17.48 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 40.85 m²
Design
- Type
- J-24
- Builder
- J BOATS
- Designer
- ROD JOHNSTONE
- Year built
- 1977
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.39 | 4.62 | 4.81 | 4.85 | 4.92 | 4.76 | 4.32 | 3.72 |
| 8 | 5.19 | 5.42 | 5.58 | 5.74 | 5.79 | 5.68 | 5.28 | 4.62 |
| 10 | 5.68 | 5.83 | 5.94 | 6.16 | 6.2 | 6.13 | 5.9 | 5.36 |
| 12 | 5.94 | 6.07 | 6.19 | 6.46 | 6.6 | 6.51 | 6.26 | 5.81 |
| 14 | 6.07 | 6.23 | 6.43 | 6.66 | 7.01 | 6.94 | 6.64 | 6.09 |
| 16 | 6.13 | 6.32 | 6.64 | 6.8 | 7.37 | 7.38 | 7.05 | 6.35 |
| 20 | 6.15 | 6.37 | 6.83 | 7.22 | 7.84 | 8.3 | 7.99 | 7.02 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.3° | 2.9 | 146.9° | 3.22 |
| 8 | 41.2° | 3.47 | 147.5° | 4 |
| 10 | 40.7° | 3.92 | 147.8° | 4.65 |
| 12 | 38.5° | 4.25 | 150.6° | 5.04 |
| 14 | 37.5° | 4.37 | 176.2° | 5.56 |
| 16 | 37.6° | 4.42 | 177.9° | 5.93 |
| 20 | 38.7° | 4.38 | 177.8° | 6.49 |
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