55 BD JOURDAN
ITA First 31.7Sail number ITA/ITA17016
GPH
671.7
OSN
649.3
LOA
9.61 m
Displacement
3724 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.5988
Medium
0.8214
High
0.9531
Triple Offshore
Low
0.7703
Medium
1.0133
High
1.1451
Boat Specifications
Dimensions
- Length overall
- 9.61 m
- Beam
- 3.21 m
- Draft
- 1.93 m
- Displacement
- 3724 kg
- Crew weight
- 350 kg
- Wetted surface
- 21.25 m²
Sails
- Mainsail
- 23.93 m²
- Genoa
- 26.74 m²
- Spinnaker
- 59.49 m²
- Asymmetric spinnaker
- 60.23 m²
Design
- Type
- First 31.7
- Builder
- Beneteau
- Designer
- Finot/Conq
- Year built
- 1998
- Stability index
- 120.7
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.79 | 5.06 | 5.24 | 5.15 | 5.22 | 5.05 | 4.54 | 3.86 |
| 8 | 5.7 | 5.95 | 6.13 | 6.19 | 6.31 | 6.16 | 5.68 | 4.94 |
| 10 | 6.31 | 6.51 | 6.67 | 6.82 | 6.94 | 6.86 | 6.51 | 5.81 |
| 12 | 6.66 | 6.84 | 6.99 | 7.18 | 7.37 | 7.31 | 7.04 | 6.46 |
| 14 | 6.85 | 7.04 | 7.24 | 7.41 | 7.76 | 7.74 | 7.46 | 6.95 |
| 16 | 6.93 | 7.15 | 7.43 | 7.55 | 8.1 | 8.15 | 7.89 | 7.34 |
| 20 | 6.98 | 7.23 | 7.65 | 7.96 | 8.61 | 9.05 | 8.85 | 8.11 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 43.8° | 3.13 | 145.1° | 3.34 |
| 8 | 41.4° | 3.83 | 147.1° | 4.28 |
| 10 | 40° | 4.34 | 147.8° | 5.03 |
| 12 | 38.8° | 4.68 | 157.7° | 5.68 |
| 14 | 38.2° | 4.84 | 168.5° | 6.28 |
| 16 | 38.1° | 4.9 | 177.2° | 6.78 |
| 20 | 38.4° | 4.9 | 178.1° | 7.51 |
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