BERTHEAUME
FRA X 3/4 TONSail number FRA/FRA7114
GPH
684.3
OSN
661.9
LOA
10.02 m
Displacement
2705 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5745
Medium
0.7993
High
0.9329
Triple Offshore
Low
0.7482
Medium
0.9975
High
1.1386
Boat Specifications
Dimensions
- Length overall
- 10.02 m
- Beam
- 3.35 m
- Draft
- 1.7 m
- Displacement
- 2705 kg
- Crew weight
- 484 kg
- Wetted surface
- 19.35 m²
Sails
- Mainsail
- 25.24 m²
- Genoa
- 19.8 m²
- Spinnaker
- 61.63 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- X 3/4 TON
- Builder
- LUCAS Paul
- Designer
- LUCAS Paul
- Year built
- 1977
- Stability index
- 104.8
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 | 4.51 | 4.8 | 5.02 | 5.18 | 5.25 | 5.08 | 4.58 | 3.86 |
| 8 | 5.43 | 5.77 | 6.02 | 6.28 | 6.4 | 6.25 | 5.69 | 4.92 |
| 10 | 6.11 | 6.39 | 6.6 | 6.87 | 7.01 | 6.92 | 6.56 | 5.88 |
| 12 | 6.53 | 6.74 | 6.94 | 7.22 | 7.51 | 7.44 | 7.08 | 6.62 |
| 14 | 6.74 | 6.97 | 7.24 | 7.42 | 7.94 | 7.92 | 7.58 | 7.09 |
| 16 | 6.82 | 7.11 | 7.51 | 7.68 | 8.26 | 8.41 | 8.06 | 7.56 |
| 20 | 6.83 | 7.17 | 7.74 | 8.21 | 8.73 | 9.34 | 9.28 | 8.48 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 45° | 2.9 | 146° | 3.35 |
| 8 | 43.8° | 3.54 | 149.8° | 4.26 |
| 10 | 43° | 4.03 | 151.1° | 5.09 |
| 12 | 42.3° | 4.42 | 157.4° | 5.83 |
| 14 | 41.4° | 4.63 | 170° | 6.42 |
| 16 | 41.2° | 4.68 | 177.2° | 6.9 |
| 20 | 42.6° | 4.61 | 177.2° | 7.75 |
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