NASTRO AZZURRO
ITA DUCK 31Sail number ITA/ITA9533
GPH
694.1
OSN
672.6
LOA
9.12 m
Displacement
2925 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6655
Medium
0.9028
High
1.039
Triple Offshore
Low
0.8491
Medium
1.0967
High
1.2309
Boat Specifications
Dimensions
- Length overall
- 9.12 m
- Beam
- 3.25 m
- Draft
- 1.79 m
- Displacement
- 2925 kg
- Crew weight
- 600 kg
- Wetted surface
- 17.38 m²
Sails
- Mainsail
- 18.99 m²
- Genoa
- 30.9 m²
- Spinnaker
- 62.27 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- DUCK 31
- Builder
- LO PRESTI
- Designer
- PAPERINI
- Year built
- 1982
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.74 | 4.96 | 5.12 | 5.05 | 4.99 | 4.86 | 4.43 | 3.8 |
| 8 | 5.61 | 5.82 | 5.95 | 5.92 | 6.01 | 5.89 | 5.42 | 4.74 |
| 10 | 6.11 | 6.25 | 6.34 | 6.44 | 6.51 | 6.44 | 6.18 | 5.61 |
| 12 | 6.38 | 6.5 | 6.62 | 6.77 | 6.91 | 6.82 | 6.58 | 6.23 |
| 14 | 6.52 | 6.69 | 6.87 | 6.99 | 7.29 | 7.22 | 6.95 | 6.6 |
| 16 | 6.59 | 6.8 | 7.07 | 7.17 | 7.59 | 7.59 | 7.32 | 6.94 |
| 20 | 6.63 | 6.87 | 7.28 | 7.57 | 7.96 | 8.22 | 8.03 | 7.6 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 41.2° | 3.18 | 148° | 3.29 |
| 8 | 40.9° | 3.77 | 151.4° | 4.11 |
| 10 | 40.2° | 4.27 | 151.6° | 4.87 |
| 12 | 38.1° | 4.6 | 161.4° | 5.54 |
| 14 | 37.3° | 4.73 | 180° | 6.11 |
| 16 | 36.9° | 4.79 | 180° | 6.49 |
| 20 | 37.4° | 4.78 | 180° | 7.14 |
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