Arabesque
USA CHANCE 31.5Sail number USA/USA31550
GPH
668.7
OSN
650.6
LOA
9.634 m
Displacement
3332 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6369
Medium
0.8349
High
0.9365
Triple Offshore
Low
0.8086
Medium
1.0016
High
1.0947
Boat Specifications
Dimensions
- Length overall
- 9.634 m
- Beam
- 2.98 m
- Draft
- 1.85 m
- Displacement
- 3332 kg
- Crew weight
- 600 kg
- Wetted surface
- 18.06 m²
Sails
- Mainsail
- 23.02 m²
- Genoa
- 36.76 m²
- Spinnaker
- 69.88 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- CHANCE 31.5
- Builder
- Lathrop
- Designer
- Chance
- Year built
- 1982
- Stability index
- 121
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.28 | 5.51 | 5.62 | 5.49 | 5.24 | 5.1 | 4.64 | 3.95 |
| 8 | 6.01 | 6.15 | 6.23 | 6.19 | 6.18 | 6.07 | 5.68 | 4.98 |
| 10 | 6.33 | 6.45 | 6.54 | 6.54 | 6.62 | 6.57 | 6.33 | 5.84 |
| 12 | 6.47 | 6.6 | 6.74 | 6.78 | 6.93 | 6.91 | 6.71 | 6.38 |
| 14 | 6.54 | 6.68 | 6.88 | 6.98 | 7.18 | 7.22 | 7.04 | 6.73 |
| 16 | 6.59 | 6.73 | 6.97 | 7.15 | 7.39 | 7.53 | 7.39 | 7.04 |
| 20 | 6.63 | 6.79 | 7.07 | 7.38 | 7.69 | 8.09 | 8.23 | 7.72 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 41.7° | 3.53 | 146° | 3.42 |
| 8 | 39.6° | 4.19 | 150.5° | 4.31 |
| 10 | 37.6° | 4.57 | 154.1° | 5.08 |
| 12 | 36.9° | 4.71 | 162.8° | 5.71 |
| 14 | 36.4° | 4.79 | 175.4° | 6.23 |
| 16 | 36° | 4.84 | 179° | 6.6 |
| 20 | 36.4° | 4.86 | 179° | 7.19 |
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