SILKE
ESP FIRST 33.7Sail number ESP/ESP4626
GPH
661.5
OSN
639.5
LOA
10.114 m
Displacement
4438 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6763
Medium
0.9395
High
1.099
Triple Offshore
Low
0.8744
Medium
1.1595
High
1.314
Boat Specifications
Dimensions
- Length overall
- 10.114 m
- Beam
- 3.33 m
- Draft
- 2.09 m
- Displacement
- 4438 kg
- Crew weight
- 540 kg
- Wetted surface
- 23.8 m²
Sails
- Mainsail
- 30.94 m²
- Genoa
- 25.17 m²
- Spinnaker
- 68.15 m²
- Asymmetric spinnaker
- 65.71 m²
Design
- Type
- FIRST 33.7
- Builder
- BENETEAU
- Designer
- J. BERRET
- Year built
- 1996
Velocity Prediction
Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.75 | 5.02 | 5.24 | 5.32 | 5.34 | 5.16 | 4.65 | 3.93 |
| 8 | 5.69 | 5.98 | 6.22 | 6.44 | 6.48 | 6.29 | 5.74 | 5 |
| 10 | 6.42 | 6.65 | 6.82 | 7.04 | 7.09 | 6.99 | 6.62 | 5.91 |
| 12 | 6.82 | 6.99 | 7.14 | 7.33 | 7.48 | 7.39 | 7.13 | 6.68 |
| 14 | 7.01 | 7.18 | 7.38 | 7.46 | 7.85 | 7.8 | 7.49 | 7.13 |
| 16 | 7.08 | 7.29 | 7.57 | 7.71 | 8.19 | 8.22 | 7.9 | 7.47 |
| 20 | 7.1 | 7.33 | 7.78 | 8.19 | 8.58 | 8.98 | 8.83 | 8.25 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.8° | 3.12 | 146° | 3.41 |
| 8 | 41.2° | 3.8 | 150.1° | 4.33 |
| 10 | 41° | 4.33 | 151.9° | 5.13 |
| 12 | 39.8° | 4.75 | 156.7° | 5.85 |
| 14 | 38.6° | 4.96 | 174.8° | 6.48 |
| 16 | 38.3° | 5.03 | 180° | 6.98 |
| 20 | 39° | 5 | 180° | 7.67 |
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