COSA NOSTRA
ROU GRAND SURPRISESail number ROU/ROU484
GPH
611.3
OSN
593.3
LOA
9.55 m
Displacement
2870 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6668
Medium
0.902
High
1.033
Triple Offshore
Low
0.8598
Medium
1.1051
High
1.2524
Boat Specifications
Dimensions
- Length overall
- 9.55 m
- Beam
- 2.96 m
- Draft
- 2.09 m
- Displacement
- 2870 kg
- Crew weight
- 648 kg
- Wetted surface
- 20.75 m²
Sails
- Mainsail
- 32.83 m²
- Genoa
- 23.36 m²
- Spinnaker
- 74.08 m²
- Asymmetric spinnaker
- 86.32 m²
Design
- Type
- GRAND SURPRISE
- Builder
- ARCHAMBAULT
- Designer
- JOUBERT-NIVELT
- Year built
- 1999
- Stability index
- 103.8
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.27 | 5.57 | 5.78 | 5.88 | 5.95 | 5.78 | 5.19 | 4.39 |
| 8 | 6.3 | 6.55 | 6.73 | 6.89 | 7.01 | 6.92 | 6.46 | 5.52 |
| 10 | 6.85 | 7.01 | 7.15 | 7.26 | 7.54 | 7.49 | 7.17 | 6.51 |
| 12 | 7.07 | 7.26 | 7.48 | 7.55 | 8.07 | 8.14 | 7.74 | 7.15 |
| 14 | 7.16 | 7.39 | 7.79 | 7.98 | 8.44 | 8.8 | 8.45 | 7.65 |
| 16 | 7.22 | 7.47 | 7.98 | 8.4 | 8.79 | 9.3 | 9.28 | 8.27 |
| 20 | 7.37 | 7.64 | 8.16 | 8.93 | 9.46 | 10.19 | 11.27 | 9.83 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43° | 3.45 | 141.3° | 3.8 |
| 8 | 41.4° | 4.21 | 146.9° | 4.78 |
| 10 | 39.6° | 4.79 | 149.2° | 5.64 |
| 12 | 37.8° | 5.05 | 157.7° | 6.32 |
| 14 | 37.2° | 5.15 | 171.8° | 6.88 |
| 16 | 37° | 5.2 | 175.4° | 7.34 |
| 20 | 37° | 5.32 | 149.6° | 8.51 |
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