PROBLEM CHILD
USA BC-27Sail number USA/USA83173
GPH
688.4
OSN
668.9
LOA
7.92 m
Displacement
2085 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6076
Medium
0.8121
High
0.919
Triple Offshore
Low
0.7762
Medium
0.9759
High
1.084
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
- 14.22 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
- 1992
- Stability index
- 121.8
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.93 | 5.21 | 5.4 | 5.32 | 5.13 | 4.98 | 4.53 | 3.89 |
| 8 | 5.77 | 5.95 | 6.05 | 6.03 | 6.05 | 5.95 | 5.56 | 4.87 |
| 10 | 6.13 | 6.24 | 6.34 | 6.37 | 6.46 | 6.39 | 6.16 | 5.73 |
| 12 | 6.3 | 6.43 | 6.57 | 6.62 | 6.83 | 6.77 | 6.52 | 6.22 |
| 14 | 6.39 | 6.55 | 6.79 | 6.88 | 7.21 | 7.19 | 6.9 | 6.55 |
| 16 | 6.44 | 6.63 | 6.96 | 7.15 | 7.51 | 7.61 | 7.33 | 6.91 |
| 20 | 6.47 | 6.69 | 7.12 | 7.56 | 7.9 | 8.35 | 8.3 | 7.72 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42° | 3.26 | 146.9° | 3.37 |
| 8 | 41.4° | 3.9 | 150.7° | 4.22 |
| 10 | 38.8° | 4.38 | 153.8° | 4.99 |
| 12 | 37.2° | 4.59 | 164.6° | 5.61 |
| 14 | 36.4° | 4.69 | 178.4° | 6.1 |
| 16 | 36° | 4.74 | 179° | 6.43 |
| 20 | 35.7° | 4.79 | 178.1° | 7.11 |
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