PROBLEM CHILD
USA BC-27Sail number USA/USA83173
GPH
689.3
OSN
669.2
LOA
7.92 m
Displacement
2085 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6127
Medium
0.8121
High
0.9162
Triple Offshore
Low
0.7783
Medium
0.974
High
1.0752
Boat Specifications
Dimensions
- Length overall
- 7.92 m
- Beam
- 2.85 m
- Draft
- 1.61 m
- Displacement
- 2085 kg
- Crew weight
- 521 kg
- Wetted surface
- 14.69 m²
Sails
- Mainsail
- 20.5 m²
- Genoa
- 25.57 m²
- Spinnaker
- 50.34 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- BC-27
- Builder
- BC Boatworks
- Designer
- Jones
- Year built
- 1993
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.04 | 5.26 | 5.37 | 5.25 | 5.09 | 4.94 | 4.49 | 3.83 |
| 8 | 5.79 | 5.94 | 6.01 | 5.96 | 5.99 | 5.88 | 5.5 | 4.84 |
| 10 | 6.13 | 6.24 | 6.33 | 6.33 | 6.45 | 6.37 | 6.12 | 5.66 |
| 12 | 6.3 | 6.42 | 6.55 | 6.59 | 6.78 | 6.75 | 6.51 | 6.18 |
| 14 | 6.39 | 6.53 | 6.73 | 6.82 | 7.08 | 7.09 | 6.86 | 6.53 |
| 16 | 6.44 | 6.59 | 6.86 | 7.02 | 7.34 | 7.43 | 7.22 | 6.86 |
| 20 | 6.5 | 6.69 | 7.02 | 7.33 | 7.71 | 8.18 | 8.18 | 7.57 |
| 24 | 6.49 | 6.71 | 7.12 | 7.54 | 7.95 | 8.82 | 10.12 | 8.72 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 41.8° | 3.35 | 146° | 3.32 |
| 8 | 40° | 4.01 | 150.3° | 4.19 |
| 10 | 37.6° | 4.43 | 154.3° | 4.94 |
| 12 | 36.5° | 4.61 | 163.2° | 5.54 |
| 14 | 36° | 4.7 | 177.2° | 6.05 |
| 16 | 35.8° | 4.74 | 178.8° | 6.41 |
| 20 | 35.7° | 4.79 | 178.8° | 7.03 |
| 24 | 36.6° | 4.74 | 177.1° | 7.72 |
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