SEMPRE LEONA
FRA A-31 Bulb KeelSail number FRA/FRA38563
GPH
635.1
OSN
615.2
LOA
9.5 m
Displacement
3258 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.7174
Medium
0.9822
High
1.1322
Triple Offshore
Low
0.9252
Medium
1.1999
High
1.358
Boat Specifications
Dimensions
- Length overall
- 9.5 m
- Beam
- 3.27 m
- Draft
- 1.96 m
- Displacement
- 3258 kg
- Crew weight
- 544 kg
- Wetted surface
- 20.1 m²
Sails
- Mainsail
- 27.92 m²
- Genoa
- 22.26 m²
- Spinnaker
- 74.19 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- A-31 Bulb Keel
- Builder
- ARCHAMBAULT
- Designer
- JOUBERT-NIVELT
- Year built
- 2009
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.01 | 5.31 | 5.53 | 5.61 | 5.69 | 5.53 | 5 | 4.24 |
| 8 | 5.98 | 6.26 | 6.47 | 6.63 | 6.75 | 6.65 | 6.18 | 5.34 |
| 10 | 6.59 | 6.77 | 6.92 | 7.11 | 7.26 | 7.19 | 6.91 | 6.3 |
| 12 | 6.91 | 7.07 | 7.21 | 7.31 | 7.72 | 7.67 | 7.35 | 6.93 |
| 14 | 7.08 | 7.27 | 7.49 | 7.54 | 8.1 | 8.23 | 7.85 | 7.34 |
| 16 | 7.15 | 7.39 | 7.75 | 7.87 | 8.38 | 8.78 | 8.41 | 7.79 |
| 20 | 7.18 | 7.45 | 8.03 | 8.53 | 8.89 | 9.5 | 9.92 | 8.87 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42.6° | 3.27 | 144.9° | 3.67 |
| 8 | 41.3° | 3.98 | 148.4° | 4.63 |
| 10 | 40.4° | 4.54 | 151.8° | 5.47 |
| 12 | 38.3° | 4.92 | 159.2° | 6.14 |
| 14 | 37.8° | 5.08 | 180° | 6.73 |
| 16 | 37.6° | 5.14 | 180° | 7.16 |
| 20 | 37.6° | 5.16 | 180° | 8.01 |
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