BLUE SHARK
GRE GRAND SURPRISESail number GRE/GRE1961
GPH
613
OSN
594.5
LOA
9.55 m
Displacement
2795 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6707
Medium
0.8939
High
1.0168
Triple Offshore
Low
0.8597
Medium
1.1015
High
1.2436
Boat Specifications
Dimensions
- Length overall
- 9.55 m
- Beam
- 2.96 m
- Draft
- 2.08 m
- Displacement
- 2795 kg
- Crew weight
- 621 kg
- Wetted surface
- 20.7 m²
Sails
- Mainsail
- 32.67 m²
- Genoa
- 23.16 m²
- Spinnaker
- 0 m²
- Asymmetric spinnaker
- 90.61 m²
Design
- Type
- GRAND SURPRISE
- Builder
- ARCHAMBAULT
- Designer
- JOUBERT/NIVELT
- Year built
- 1999
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.34 | 5.6 | 5.75 | 5.78 | 5.87 | 5.71 | 5.12 | 4.33 |
| 8 | 6.29 | 6.52 | 6.67 | 6.77 | 6.95 | 6.86 | 6.36 | 5.48 |
| 10 | 6.84 | 7.01 | 7.15 | 7.2 | 7.55 | 7.52 | 7.17 | 6.45 |
| 12 | 7.09 | 7.29 | 7.52 | 7.57 | 8.04 | 8.15 | 7.79 | 7.1 |
| 14 | 7.21 | 7.44 | 7.81 | 7.99 | 8.38 | 8.71 | 8.47 | 7.57 |
| 16 | 7.29 | 7.55 | 8 | 8.34 | 8.7 | 9.17 | 9.22 | 8.1 |
| 20 | 7.4 | 7.7 | 8.26 | 8.83 | 9.3 | 9.99 | 11.02 | 9.58 |
| 24 | 7.42 | 7.75 | 8.39 | 9.14 | 9.85 | 10.8 | 13.03 | 12.59 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.9° | 3.53 | 143.5° | 3.75 |
| 8 | 40.5° | 4.29 | 147° | 4.75 |
| 10 | 38.6° | 4.81 | 148.7° | 5.59 |
| 12 | 37.5° | 5.04 | 149.8° | 6.15 |
| 14 | 37° | 5.16 | 147.6° | 6.55 |
| 16 | 36.8° | 5.23 | 145.6° | 7.01 |
| 20 | 37.3° | 5.29 | 142.7° | 8.29 |
| 24 | 38.8° | 5.22 | 143.2° | 10.9 |
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