Bertha
NOR Dufour 34 StandardSail number NOR/NOR10494
GPH
657.4
OSN
635.8
LOA
10.3 m
Displacement
5231 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6051
Medium
0.8405
High
0.984
Triple Offshore
Low
0.7835
Medium
1.0365
High
1.1722
Boat Specifications
Dimensions
- Length overall
- 10.3 m
- Beam
- 3.48 m
- Draft
- 1.93 m
- Displacement
- 5231 kg
- Crew weight
- 620 kg
- Wetted surface
- 24.96 m²
Sails
- Mainsail
- 31.24 m²
- Genoa
- 32.48 m²
- Spinnaker
- 78.34 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- Dufour 34 Standard
- Builder
- Dufour
- Designer
- Umberto Felici
- Year built
- 2002
- Stability index
- 116.2
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.87 | 5.18 | 5.41 | 5.33 | 5.32 | 5.17 | 4.68 | 3.94 |
| 8 | 5.8 | 6.12 | 6.37 | 6.34 | 6.47 | 6.31 | 5.77 | 5.01 |
| 10 | 6.49 | 6.73 | 6.9 | 7 | 7.1 | 7.02 | 6.68 | 5.95 |
| 12 | 6.88 | 7.05 | 7.2 | 7.33 | 7.47 | 7.41 | 7.17 | 6.73 |
| 14 | 7.07 | 7.24 | 7.42 | 7.49 | 7.83 | 7.78 | 7.52 | 7.18 |
| 16 | 7.15 | 7.35 | 7.61 | 7.72 | 8.17 | 8.18 | 7.91 | 7.51 |
| 20 | 7.2 | 7.42 | 7.82 | 8.18 | 8.56 | 8.93 | 8.74 | 8.24 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.6° | 3.15 | 146° | 3.41 |
| 8 | 41.8° | 3.83 | 150.2° | 4.34 |
| 10 | 41.8° | 4.36 | 151.1° | 5.16 |
| 12 | 40.2° | 4.79 | 156.5° | 5.91 |
| 14 | 39.3° | 4.98 | 167.3° | 6.51 |
| 16 | 39° | 5.07 | 177.2° | 7 |
| 20 | 39.4° | 5.09 | 179° | 7.65 |
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