VIKINGO
ESP FIRST 34.7Sail number ESP/ESP7852
GPH
635.3
OSN
617
LOA
9.982 m
Displacement
4674 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6522
Medium
0.8719
High
0.9877
Triple Offshore
Low
0.8355
Medium
1.0622
High
1.172
Boat Specifications
Dimensions
- Length overall
- 9.982 m
- Beam
- 3.37 m
- Draft
- 2 m
- Displacement
- 4674 kg
- Crew weight
- 580 kg
- Wetted surface
- 23.58 m²
Sails
- Mainsail
- 34.51 m²
- Genoa
- 32.51 m²
- Spinnaker
- 82.69 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- FIRST 34.7
- Builder
- BENETEAU
- Designer
- FARR
- Year built
- 2005
- Stability index
- 119.7
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 | 5.33 | 5.59 | 5.76 | 5.64 | 5.57 | 5.41 | 4.88 | 4.12 |
| 8 | 6.22 | 6.43 | 6.56 | 6.52 | 6.62 | 6.5 | 6.02 | 5.23 |
| 10 | 6.71 | 6.87 | 6.99 | 7 | 7.18 | 7.11 | 6.8 | 6.17 |
| 12 | 6.92 | 7.1 | 7.26 | 7.31 | 7.54 | 7.52 | 7.27 | 6.84 |
| 14 | 7.02 | 7.2 | 7.45 | 7.56 | 7.84 | 7.9 | 7.66 | 7.27 |
| 16 | 7.07 | 7.27 | 7.57 | 7.78 | 8.04 | 8.24 | 8.06 | 7.65 |
| 20 | 7.11 | 7.32 | 7.7 | 8.07 | 8.36 | 8.75 | 8.94 | 8.42 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.4° | 3.51 | 144.2° | 3.57 |
| 8 | 40.6° | 4.23 | 149.3° | 4.53 |
| 10 | 39° | 4.69 | 152.3° | 5.35 |
| 12 | 38.2° | 4.9 | 158.6° | 6.05 |
| 14 | 37.8° | 4.99 | 172.7° | 6.64 |
| 16 | 37.6° | 5.04 | 177.2° | 7.1 |
| 20 | 38.7° | 5.03 | 179° | 7.82 |
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