PROBLEM CHILD
USA BC-27Sail number USA/US83173
GPH
684.5
OSN
667.5
LOA
7.92 m
Displacement
2086 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6192
Medium
0.8112
High
0.9087
Triple Offshore
Low
0.79
Medium
0.9771
High
1.078
Boat Specifications
Dimensions
- Length overall
- 7.92 m
- Beam
- 2.85 m
- Draft
- 1.61 m
- Displacement
- 2086 kg
- Crew weight
- 398 kg
- Wetted surface
- 14.38 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
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.05 | 5.32 | 5.53 | 5.46 | 5.23 | 5.08 | 4.62 | 3.96 |
| 8 | 5.81 | 5.97 | 6.09 | 6.09 | 6.09 | 6.01 | 5.65 | 4.95 |
| 10 | 6.13 | 6.25 | 6.36 | 6.39 | 6.49 | 6.43 | 6.21 | 5.77 |
| 12 | 6.27 | 6.42 | 6.59 | 6.64 | 6.86 | 6.82 | 6.57 | 6.25 |
| 14 | 6.33 | 6.5 | 6.78 | 6.91 | 7.21 | 7.25 | 6.97 | 6.58 |
| 16 | 6.36 | 6.55 | 6.9 | 7.16 | 7.43 | 7.66 | 7.41 | 6.95 |
| 20 | 6.4 | 6.57 | 7 | 7.5 | 7.8 | 8.23 | 8.44 | 7.78 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 42° | 3.33 | 147° | 3.43 |
| 8 | 41.1° | 3.97 | 150° | 4.28 |
| 10 | 39° | 4.36 | 154° | 5.04 |
| 12 | 37.9° | 4.52 | 171° | 5.66 |
| 14 | 37.5° | 4.59 | 180° | 6.15 |
| 16 | 37.5° | 4.62 | 180° | 6.48 |
| 20 | 37.1° | 4.66 | 180° | 7.2 |
Loading polar chart…