SILKE
ESP FIRST 33.7Sail number ESP/ESP4626
GPH
655
OSN
635.6
LOA
10.114 m
Displacement
4533 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6219
Medium
0.837
High
0.9465
Triple Offshore
Low
0.8005
Medium
1.0359
High
1.1468
Boat Specifications
Dimensions
- Length overall
- 10.114 m
- Beam
- 3.33 m
- Draft
- 2.09 m
- Displacement
- 4533 kg
- Crew weight
- 450 kg
- Wetted surface
- 23.7 m²
Sails
- Mainsail
- 30.61 m²
- Genoa
- 31.7 m²
- Spinnaker
- 0 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 | 5.09 | 5.36 | 5.55 | 5.43 | 5.33 | 5.15 | 4.62 | 3.91 |
| 8 | 6.02 | 6.26 | 6.43 | 6.37 | 6.45 | 6.28 | 5.77 | 5.01 |
| 10 | 6.58 | 6.77 | 6.91 | 6.96 | 7.08 | 6.98 | 6.62 | 5.9 |
| 12 | 6.85 | 7.03 | 7.2 | 7.28 | 7.48 | 7.42 | 7.15 | 6.55 |
| 14 | 6.95 | 7.15 | 7.39 | 7.5 | 7.81 | 7.81 | 7.55 | 6.97 |
| 16 | 7 | 7.2 | 7.51 | 7.72 | 8.1 | 8.18 | 7.95 | 7.29 |
| 20 | 7.04 | 7.27 | 7.64 | 8.01 | 8.46 | 8.89 | 8.79 | 7.88 |
| 24 | 7.01 | 7.25 | 7.71 | 8.19 | 8.72 | 9.42 | 10.08 | 8.53 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.5° | 3.34 | 144.2° | 3.39 |
| 8 | 41.2° | 4.06 | 147.1° | 4.34 |
| 10 | 39.6° | 4.56 | 147.7° | 5.11 |
| 12 | 38.6° | 4.82 | 148.5° | 5.68 |
| 14 | 38.4° | 4.91 | 150.5° | 6.04 |
| 16 | 38.2° | 4.95 | 173.6° | 6.57 |
| 20 | 38.6° | 4.95 | 176.8° | 7.31 |
| 24 | 39.9° | 4.84 | 176.6° | 7.89 |
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