BENEZE
FRA PROTO 1/4 TON 1975Sail number FRA/FRA6577
GPH
776
OSN
751.5
LOA
7.4 m
Displacement
1480 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5848
Medium
0.8012
High
0.9386
Triple Offshore
Low
0.7503
Medium
0.9844
High
1.1213
Boat Specifications
Dimensions
- Length overall
- 7.4 m
- Beam
- 2.75 m
- Draft
- 1.5 m
- Displacement
- 1480 kg
- Crew weight
- 321 kg
- Wetted surface
- 11.78 m²
Sails
- Mainsail
- 8.9 m²
- Genoa
- 17.65 m²
- Spinnaker
- 34.58 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- PROTO 1/4 TON 1975
- Builder
- BERRET Jean
- Designer
- BERRET Jean
- Year built
- 1975
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 | 4.15 | 4.36 | 4.52 | 4.46 | 4.5 | 4.37 | 3.92 | 3.4 |
| 8 | 4.91 | 5.16 | 5.32 | 5.35 | 5.45 | 5.33 | 4.86 | 4.28 |
| 10 | 5.44 | 5.63 | 5.77 | 5.88 | 5.96 | 5.89 | 5.65 | 5.09 |
| 12 | 5.73 | 5.88 | 6.02 | 6.2 | 6.32 | 6.25 | 6.04 | 5.71 |
| 14 | 5.91 | 6.06 | 6.23 | 6.46 | 6.67 | 6.61 | 6.37 | 6.05 |
| 16 | 6.03 | 6.21 | 6.43 | 6.61 | 7 | 6.97 | 6.72 | 6.36 |
| 20 | 6.07 | 6.32 | 6.72 | 6.92 | 7.48 | 7.67 | 7.44 | 6.99 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.6° | 2.73 | 148.6° | 2.94 |
| 8 | 42° | 3.25 | 152.2° | 3.71 |
| 10 | 42° | 3.66 | 151.6° | 4.42 |
| 12 | 40.2° | 3.98 | 165.2° | 5.07 |
| 14 | 38.9° | 4.2 | 180° | 5.6 |
| 16 | 38.5° | 4.29 | 180° | 5.96 |
| 20 | 39.5° | 4.26 | 180° | 6.55 |
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