FIRST LADY
GRE BERWICK 31Sail number GRE/NED5193
GPH
850.8
OSN
816.9
LOA
9.395 m
Displacement
4440 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5059
Medium
0.7234
High
0.9003
Triple Offshore
Low
0.6544
Medium
0.9078
High
1.0906
Boat Specifications
Dimensions
- Length overall
- 9.395 m
- Beam
- 2.91 m
- Draft
- 1.4 m
- Displacement
- 4440 kg
- Crew weight
- 465 kg
- Wetted surface
- 22.23 m²
Sails
- Mainsail
- 21.45 m²
- Genoa
- 15.65 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- BERWICK 31
- Builder
- Westerly
- Designer
- Laurent Giles
- Year built
- 1972
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 3.68 | 3.99 | 4.21 | 4.18 | 3.91 | 3.65 | 3.22 | 2.82 |
| 8 | 4.47 | 4.78 | 5.02 | 5.01 | 4.79 | 4.55 | 4.12 | 3.69 |
| 10 | 5.03 | 5.38 | 5.71 | 5.73 | 5.52 | 5.28 | 4.84 | 4.43 |
| 12 | 5.51 | 5.88 | 6.16 | 6.23 | 6.12 | 5.93 | 5.49 | 5.07 |
| 14 | 5.91 | 6.2 | 6.42 | 6.54 | 6.46 | 6.35 | 6.05 | 5.67 |
| 16 | 6.17 | 6.4 | 6.6 | 6.75 | 6.69 | 6.6 | 6.4 | 6.15 |
| 20 | 6.34 | 6.6 | 6.89 | 7.15 | 7.13 | 7.04 | 6.85 | 6.67 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 47.5° | 2.31 | 175.3° | 2.52 |
| 8 | 46.3° | 2.84 | 176.8° | 3.33 |
| 10 | 45.7° | 3.21 | 178.2° | 4.07 |
| 12 | 45.4° | 3.52 | 178.8° | 4.71 |
| 14 | 45.4° | 3.81 | 179° | 5.3 |
| 16 | 44.7° | 4.06 | 179.2° | 5.85 |
| 20 | 44.9° | 4.17 | 179.9° | 6.53 |
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