Chinook
USA Cal 39-2Sail number USA/USA10
GPH
764.8
OSN
743
LOA
11.906 m
Displacement
8189 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.477
Medium
0.6979
High
0.8834
Triple Offshore
Low
0.6433
Medium
0.9019
High
1.0808
Boat Specifications
Dimensions
- Length overall
- 11.906 m
- Beam
- 3.65 m
- Draft
- 2.06 m
- Displacement
- 8189 kg
- Crew weight
- 678 kg
- Wetted surface
- 33.04 m²
Sails
- Mainsail
- 33.89 m²
- Genoa
- 0 m²
- Spinnaker
- 113.97 m²
- Asymmetric spinnaker
- 0 m²
Design
- Type
- Cal 39-2
- Builder
- Cal yachts
- Designer
- Lapworth
- Year built
- 1977
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 3.18 | 3.42 | 4.59 | 5.15 | 5.32 | 5.18 | 4.69 | 3.95 |
| 8 | 4.09 | 4.38 | 5.69 | 6.24 | 6.45 | 6.32 | 5.83 | 5.06 |
| 10 | 4.82 | 5.16 | 6.44 | 6.93 | 7.12 | 7.05 | 6.7 | 6.01 |
| 12 | 5.38 | 5.71 | 6.81 | 7.29 | 7.51 | 7.47 | 7.23 | 6.77 |
| 14 | 5.86 | 6.2 | 6.97 | 7.47 | 7.81 | 7.81 | 7.6 | 7.24 |
| 16 | 6.28 | 6.6 | 7.08 | 7.59 | 8.06 | 8.11 | 7.93 | 7.58 |
| 20 | 6.85 | 7.09 | 7.34 | 7.7 | 8.38 | 8.66 | 8.59 | 8.2 |
| 24 | 7.1 | 7.35 | 7.65 | 7.83 | 8.61 | 9.02 | 9.32 | 8.85 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 46.2° | 2.02 | 145° | 3.42 |
| 8 | 45.7° | 2.61 | 149.4° | 4.38 |
| 10 | 45.2° | 3.1 | 150.9° | 5.21 |
| 12 | 44.5° | 3.49 | 156.4° | 5.94 |
| 14 | 43.8° | 3.82 | 166° | 6.52 |
| 16 | 43° | 4.13 | 176.3° | 7.02 |
| 20 | 41.4° | 4.65 | 178.6° | 7.69 |
| 24 | 41° | 4.84 | 178.6° | 8.26 |
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