PROBLEM CHILD
USA BC-27Sail number USA/USA83173
GPH
688.2
OSN
668
LOA
7.92 m
Displacement
2085 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6142
Medium
0.8136
High
0.9178
Triple Offshore
Low
0.7799
Medium
0.9754
High
1.0769
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
- 14.58 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
- Stability index
- 121.8
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 5.05 | 5.27 | 5.38 | 5.26 | 5.1 | 4.95 | 4.5 | 3.84 |
| 8 | 5.8 | 5.95 | 6.02 | 5.97 | 6 | 5.89 | 5.51 | 4.85 |
| 10 | 6.13 | 6.24 | 6.33 | 6.34 | 6.45 | 6.38 | 6.13 | 5.67 |
| 12 | 6.3 | 6.43 | 6.56 | 6.6 | 6.79 | 6.76 | 6.52 | 6.19 |
| 14 | 6.39 | 6.54 | 6.74 | 6.82 | 7.08 | 7.1 | 6.88 | 6.55 |
| 16 | 6.45 | 6.61 | 6.86 | 7.02 | 7.35 | 7.45 | 7.24 | 6.88 |
| 20 | 6.5 | 6.68 | 7.01 | 7.34 | 7.74 | 8.23 | 8.23 | 7.61 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 41.8° | 3.36 | 146° | 3.32 |
| 8 | 40° | 4.01 | 150.5° | 4.21 |
| 10 | 37.6° | 4.44 | 155° | 4.95 |
| 12 | 36.4° | 4.61 | 164.6° | 5.56 |
| 14 | 36° | 4.7 | 177.2° | 6.07 |
| 16 | 35.7° | 4.75 | 179° | 6.43 |
| 20 | 35.7° | 4.78 | 179° | 7.06 |
Loading polar chart…