SEABIRD
EST First 31.7Sail number EST/EST337
GPH
666.7
OSN
643.8
LOA
9.61 m
Displacement
3726 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.601
Medium
0.8323
High
0.9647
Triple Offshore
Low
0.7753
Medium
1.0216
High
1.1518
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.93 m
- Displacement
- 3726 kg
- Crew weight
- 500 kg
- Wetted surface
- 21.76 m²
Sails
- Mainsail
- 25.46 m²
- Genoa
- 27.49 m²
- Spinnaker
- 66.92 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- First 31.7
- Builder
- Beneteau S.A.
- Designer
- Farr
- Year built
- 1998
- Stability index
- 111.6
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.9 | 5.17 | 5.33 | 5.2 | 5.22 | 5.05 | 4.54 | 3.78 |
| 8 | 5.82 | 6.07 | 6.23 | 6.19 | 6.32 | 6.17 | 5.64 | 4.87 |
| 10 | 6.4 | 6.59 | 6.74 | 6.81 | 6.95 | 6.87 | 6.51 | 5.82 |
| 12 | 6.73 | 6.89 | 7.05 | 7.13 | 7.36 | 7.31 | 7.03 | 6.57 |
| 14 | 6.89 | 7.08 | 7.29 | 7.35 | 7.72 | 7.72 | 7.45 | 7.05 |
| 16 | 6.96 | 7.17 | 7.47 | 7.61 | 8.03 | 8.12 | 7.87 | 7.43 |
| 20 | 7.02 | 7.25 | 7.67 | 8.02 | 8.42 | 8.86 | 8.8 | 8.23 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.6° | 3.21 | 145.1° | 3.28 |
| 8 | 41.2° | 3.92 | 149.6° | 4.22 |
| 10 | 39.6° | 4.43 | 151.4° | 5.05 |
| 12 | 38.4° | 4.75 | 157.7° | 5.78 |
| 14 | 37.8° | 4.89 | 169.4° | 6.37 |
| 16 | 37.6° | 4.96 | 177.2° | 6.86 |
| 20 | 38.1° | 4.97 | 177.2° | 7.6 |
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