Arabesque
USA CHANCE 31.5Sail number USA/USA31550
GPH
664.5
OSN
648.3
LOA
9.634 m
Displacement
3378 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.632
Medium
0.8351
High
0.9384
Triple Offshore
Low
0.808
Medium
1.0102
High
1.1098
Boat Specifications
Dimensions
- Length overall
- 9.634 m
- Beam
- 2.98 m
- Draft
- 1.84 m
- Displacement
- 3378 kg
- Crew weight
- 567 kg
- Wetted surface
- 18.24 m²
Sails
- Mainsail
- 23.12 m²
- Genoa
- 36.96 m²
- Spinnaker
- 69.88 m²
- Asymmetric spinnaker
- 58.68 m²
Design
- Type
- CHANCE 31.5
- Builder
- Lathrop
- Designer
- Chance
- Year built
- 1982
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.13 | 5.42 | 5.65 | 5.57 | 5.3 | 5.17 | 4.73 | 4.05 |
| 8 | 6 | 6.19 | 6.32 | 6.32 | 6.29 | 6.19 | 5.77 | 5.04 |
| 10 | 6.39 | 6.52 | 6.63 | 6.65 | 6.73 | 6.67 | 6.44 | 5.9 |
| 12 | 6.53 | 6.68 | 6.85 | 6.9 | 7.08 | 7.04 | 6.81 | 6.48 |
| 14 | 6.59 | 6.76 | 7.01 | 7.14 | 7.39 | 7.43 | 7.17 | 6.81 |
| 16 | 6.62 | 6.8 | 7.11 | 7.35 | 7.66 | 7.77 | 7.57 | 7.15 |
| 20 | 6.64 | 6.82 | 7.18 | 7.59 | 7.99 | 8.3 | 8.37 | 7.88 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 41.6° | 3.41 | 147° | 3.51 |
| 8 | 41.2° | 4.05 | 151° | 4.36 |
| 10 | 39.4° | 4.51 | 152.5° | 5.14 |
| 12 | 38.2° | 4.69 | 162° | 5.78 |
| 14 | 37.9° | 4.76 | 180° | 6.34 |
| 16 | 37.5° | 4.8 | 180° | 6.7 |
| 20 | 37.9° | 4.8 | 180° | 7.35 |
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