TOWHEE
USA CAL 40Sail number USA/USA1781
GPH
654.7
OSN
634.9
LOA
11.912 m
Displacement
7004 kg
Triple-Number Ratings
Lower is fasterTriple Inshore
Low
0.6072
Medium
0.836
High
0.9775
Triple Offshore
Low
0.7871
Medium
1.04
High
1.1763
Boat Specifications
Dimensions
- Length overall
- 11.912 m
- Beam
- 3.32 m
- Draft
- 1.79 m
- Displacement
- 7004 kg
- Crew weight
- 647 kg
- Wetted surface
- 31.25 m²
Sails
- Mainsail
- 39.33 m²
- Genoa
- 48.99 m²
- Spinnaker
- 96.56 m²
- Asymmetric spinnaker
- 82.36 m²
Design
- Type
- CAL 40
- Builder
- CAL
- Designer
- LAPWORTH
- Year built
- 1963
Velocity Prediction
| Wind Speed | 52° | 60° | 75° | 90° | 110° | 120° | 135° | 150° |
|---|---|---|---|---|---|---|---|---|
| 6 | 4.9 | 5.22 | 5.5 | 5.47 | 5.27 | 5.13 | 4.66 | 3.96 |
| 8 | 5.84 | 6.18 | 6.46 | 6.46 | 6.43 | 6.28 | 5.77 | 5.02 |
| 10 | 6.59 | 6.85 | 7.03 | 7.06 | 7.16 | 7.07 | 6.71 | 5.95 |
| 12 | 6.98 | 7.18 | 7.34 | 7.44 | 7.57 | 7.51 | 7.25 | 6.77 |
| 14 | 7.12 | 7.33 | 7.57 | 7.66 | 7.92 | 7.89 | 7.63 | 7.26 |
| 16 | 7.19 | 7.41 | 7.72 | 7.91 | 8.23 | 8.29 | 8.02 | 7.6 |
| 20 | 7.24 | 7.47 | 7.86 | 8.29 | 8.62 | 8.9 | 8.8 | 8.32 |
| Wind Speed | Beat Angle | Beat VMG | Run Angle | Run VMG |
|---|---|---|---|---|
| 6 | 44.2° | 3.18 | 146° | 3.43 |
| 8 | 43.1° | 3.83 | 150° | 4.34 |
| 10 | 43.5° | 4.35 | 151° | 5.16 |
| 12 | 42.6° | 4.71 | 155° | 5.91 |
| 14 | 41.4° | 4.89 | 170° | 6.54 |
| 16 | 40.9° | 4.98 | 180° | 7.08 |
| 20 | 41.2° | 4.99 | 180° | 7.77 |
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