JOY OF FREEDOM
GRE GIBSEA 31Sail number GRE/GRE49362
GPH
699.4
OSN
676.5
LOA
9.54 m
Displacement
3886 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5767
Medium
0.7939
High
0.912
Triple Offshore
Low
0.7432
Medium
0.9733
High
1.0832
Boat Specifications
Dimensions
- Length overall
- 9.54 m
- Beam
- 3.3 m
- Draft
- 1.75 m
- Displacement
- 3886 kg
- Crew weight
- 496 kg
- Wetted surface
- 22.5 m²
Sails
- Mainsail
- 23.73 m²
- Genoa
- 31.72 m²
- Spinnaker
- 61.62 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- GIBSEA 31
- Builder
- GIBERT MARINE
- Designer
- Jacques Fauroux
- Year built
- 1984
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.74 | 5 | 5.15 | 5.03 | 4.95 | 4.79 | 4.28 | 3.62 |
| 8 | 5.62 | 5.86 | 6.01 | 5.94 | 6.01 | 5.85 | 5.33 | 4.66 |
| 10 | 6.16 | 6.33 | 6.47 | 6.49 | 6.61 | 6.52 | 6.17 | 5.55 |
| 12 | 6.42 | 6.58 | 6.74 | 6.78 | 6.98 | 6.92 | 6.67 | 6.25 |
| 14 | 6.52 | 6.69 | 6.92 | 7.01 | 7.28 | 7.26 | 7.03 | 6.69 |
| 16 | 6.57 | 6.75 | 7.02 | 7.2 | 7.5 | 7.57 | 7.37 | 7.03 |
| 20 | 6.62 | 6.82 | 7.15 | 7.44 | 7.8 | 8.12 | 8.07 | 7.67 |
| 24 | 6.59 | 6.81 | 7.2 | 7.59 | 8.01 | 8.51 | 8.92 | 8.37 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.9° | 3.09 | 146.2° | 3.13 |
| 8 | 42° | 3.77 | 150.1° | 4.03 |
| 10 | 40.3° | 4.25 | 152.5° | 4.82 |
| 12 | 39.3° | 4.52 | 158.8° | 5.51 |
| 14 | 38.7° | 4.61 | 172.2° | 6.09 |
| 16 | 38.5° | 4.66 | 177.7° | 6.55 |
| 20 | 38.8° | 4.67 | 178.6° | 7.19 |
| 24 | 40° | 4.57 | 178.6° | 7.79 |
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