SEABIRD
EST First 31.7Sail number EST/EST337
GPH
674.7
OSN
653.1
LOA
9.61 m
Displacement
3639 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5909
Medium
0.8167
High
0.9489
Triple Offshore
Low
0.7648
Medium
1.0091
High
1.1413
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.92 m
- Displacement
- 3639 kg
- Crew weight
- 500 kg
- Wetted surface
- 21.91 m²
Sails
- Mainsail
- 25.46 m²
- Genoa
- 24.29 m²
- Spinnaker
- 60.05 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- First 31.7
- Builder
- Beneteau S.A.
- Designer
- Farr
- Year built
- 1998
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.75 | 5.04 | 5.26 | 5.18 | 5.22 | 5.05 | 4.55 | 3.84 |
| 8 | 5.65 | 5.95 | 6.19 | 6.22 | 6.33 | 6.17 | 5.62 | 4.88 |
| 10 | 6.3 | 6.53 | 6.71 | 6.85 | 6.94 | 6.86 | 6.49 | 5.79 |
| 12 | 6.67 | 6.85 | 7 | 7.17 | 7.33 | 7.26 | 6.98 | 6.54 |
| 14 | 6.84 | 7.02 | 7.23 | 7.33 | 7.74 | 7.68 | 7.36 | 6.99 |
| 16 | 6.89 | 7.1 | 7.43 | 7.58 | 8.11 | 8.13 | 7.8 | 7.34 |
| 20 | 6.9 | 7.13 | 7.6 | 8.07 | 8.54 | 9.01 | 8.8 | 8.16 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.1° | 3.09 | 146° | 3.32 |
| 8 | 42° | 3.75 | 150° | 4.23 |
| 10 | 41.1° | 4.25 | 152° | 5.02 |
| 12 | 39.8° | 4.63 | 157° | 5.74 |
| 14 | 39° | 4.8 | 175° | 6.36 |
| 16 | 39° | 4.85 | 180° | 6.85 |
| 20 | 39.8° | 4.79 | 180° | 7.56 |
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